[coreboot-gerrit] Patch set updated for coreboot: soc/intel/skylake: Use Broadwell as comparision base

Leroy P Leahy (leroy.p.leahy@intel.com) gerrit at coreboot.org
Tue Jun 30 03:14:09 CEST 2015


Leroy P Leahy (leroy.p.leahy at intel.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10340

-gerrit

commit 0c7356d8270f3f94d0da705464001442cf792c52
Author: Lee Leahy <leroy.p.leahy at intel.com>
Date:   Tue May 12 18:19:47 2015 -0700

    soc/intel/skylake: Use Broadwell as comparision base
    
    Use the Broadwell implementation as the comparison base for Skylake.
    
    BRANCH=none
    BUG=None
    TEST=None
    
    Change-Id: I22eb55ea89eb0d6883f98e4c72a6d243e819e6d8
    Signed-off-by: Lee Leahy <leroy.p.leahy at intel.com>
---
 src/soc/intel/skylake/Kconfig                    |  278 ++++++
 src/soc/intel/skylake/Makefile.inc               |  134 +++
 src/soc/intel/skylake/acpi.c                     |  602 ++++++++++++
 src/soc/intel/skylake/acpi/adsp.asl              |   73 ++
 src/soc/intel/skylake/acpi/cpu.asl               |  122 +++
 src/soc/intel/skylake/acpi/ctdp.asl              |  237 +++++
 src/soc/intel/skylake/acpi/device_nvs.asl        |   54 ++
 src/soc/intel/skylake/acpi/ehci.asl              |   51 +
 src/soc/intel/skylake/acpi/globalnvs.asl         |  109 +++
 src/soc/intel/skylake/acpi/gpio.asl              |  142 +++
 src/soc/intel/skylake/acpi/hda.asl               |   29 +
 src/soc/intel/skylake/acpi/irqlinks.asl          |  492 ++++++++++
 src/soc/intel/skylake/acpi/lpc.asl               |  208 +++++
 src/soc/intel/skylake/acpi/pch.asl               |  101 ++
 src/soc/intel/skylake/acpi/pci_irqs.asl          |   89 ++
 src/soc/intel/skylake/acpi/pcie.asl              |  214 +++++
 src/soc/intel/skylake/acpi/pcie_port.asl         |   28 +
 src/soc/intel/skylake/acpi/platform.asl          |   91 ++
 src/soc/intel/skylake/acpi/sata.asl              |   25 +
 src/soc/intel/skylake/acpi/serialio.asl          |  627 +++++++++++++
 src/soc/intel/skylake/acpi/sleepstates.asl       |   26 +
 src/soc/intel/skylake/acpi/smbus.asl             |  241 +++++
 src/soc/intel/skylake/acpi/systemagent.asl       |  213 +++++
 src/soc/intel/skylake/acpi/xhci.asl              |  371 ++++++++
 src/soc/intel/skylake/adsp.c                     |  167 ++++
 src/soc/intel/skylake/bootblock/Makefile.inc     |    1 +
 src/soc/intel/skylake/bootblock/cpu.c            |  142 +++
 src/soc/intel/skylake/bootblock/pch.c            |   79 ++
 src/soc/intel/skylake/bootblock/systemagent.c    |   44 +
 src/soc/intel/skylake/bootblock/timestamp.inc    |   19 +
 src/soc/intel/skylake/chip.c                     |   80 ++
 src/soc/intel/skylake/chip.h                     |  167 ++++
 src/soc/intel/skylake/cpu.c                      |  735 +++++++++++++++
 src/soc/intel/skylake/cpu_info.c                 |   52 ++
 src/soc/intel/skylake/ehci.c                     |  103 ++
 src/soc/intel/skylake/elog.c                     |  141 +++
 src/soc/intel/skylake/finalize.c                 |  126 +++
 src/soc/intel/skylake/gpio.c                     |  199 ++++
 src/soc/intel/skylake/hda.c                      |  181 ++++
 src/soc/intel/skylake/igd.c                      |  584 ++++++++++++
 src/soc/intel/skylake/include/soc/acpi.h         |   37 +
 src/soc/intel/skylake/include/soc/adsp.h         |   56 ++
 src/soc/intel/skylake/include/soc/cpu.h          |   73 ++
 src/soc/intel/skylake/include/soc/device_nvs.h   |   44 +
 src/soc/intel/skylake/include/soc/ehci.h         |   32 +
 src/soc/intel/skylake/include/soc/gpio.h         |  192 ++++
 src/soc/intel/skylake/include/soc/iobp.h         |   28 +
 src/soc/intel/skylake/include/soc/iomap.h        |   62 ++
 src/soc/intel/skylake/include/soc/lpc.h          |   93 ++
 src/soc/intel/skylake/include/soc/me.h           |  507 ++++++++++
 src/soc/intel/skylake/include/soc/msr.h          |  109 +++
 src/soc/intel/skylake/include/soc/nvs.h          |   71 ++
 src/soc/intel/skylake/include/soc/pch.h          |   52 ++
 src/soc/intel/skylake/include/soc/pci_devs.h     |  119 +++
 src/soc/intel/skylake/include/soc/pei_data.h     |  199 ++++
 src/soc/intel/skylake/include/soc/pei_wrapper.h  |   49 +
 src/soc/intel/skylake/include/soc/pm.h           |  172 ++++
 src/soc/intel/skylake/include/soc/ramstage.h     |   38 +
 src/soc/intel/skylake/include/soc/rcba.h         |  178 ++++
 src/soc/intel/skylake/include/soc/reset.h        |   25 +
 src/soc/intel/skylake/include/soc/romstage.h     |   61 ++
 src/soc/intel/skylake/include/soc/sata.h         |   89 ++
 src/soc/intel/skylake/include/soc/serialio.h     |   94 ++
 src/soc/intel/skylake/include/soc/smbus.h        |   52 ++
 src/soc/intel/skylake/include/soc/smm.h          |   73 ++
 src/soc/intel/skylake/include/soc/spi.h          |  110 +++
 src/soc/intel/skylake/include/soc/systemagent.h  |  135 +++
 src/soc/intel/skylake/include/soc/xhci.h         |   61 ++
 src/soc/intel/skylake/iobp.c                     |  152 +++
 src/soc/intel/skylake/lpc.c                      |  670 +++++++++++++
 src/soc/intel/skylake/me.c                       | 1085 ++++++++++++++++++++++
 src/soc/intel/skylake/me_status.c                |  321 +++++++
 src/soc/intel/skylake/memmap.c                   |   46 +
 src/soc/intel/skylake/microcode/Makefile.inc     |    1 +
 src/soc/intel/skylake/microcode/microcode_blob.c |   23 +
 src/soc/intel/skylake/minihd.c                   |  128 +++
 src/soc/intel/skylake/monotonic_timer.c          |   63 ++
 src/soc/intel/skylake/pch.c                      |  221 +++++
 src/soc/intel/skylake/pcie.c                     |  710 ++++++++++++++
 src/soc/intel/skylake/pei_data.c                 |   49 +
 src/soc/intel/skylake/pmutil.c                   |  452 +++++++++
 src/soc/intel/skylake/ramstage.c                 |  100 ++
 src/soc/intel/skylake/refcode.c                  |  146 +++
 src/soc/intel/skylake/reset.c                    |   49 +
 src/soc/intel/skylake/romstage/Makefile.inc      |   13 +
 src/soc/intel/skylake/romstage/cache_as_ram.inc  |  341 +++++++
 src/soc/intel/skylake/romstage/cpu.c             |   55 ++
 src/soc/intel/skylake/romstage/pch.c             |  161 ++++
 src/soc/intel/skylake/romstage/power_state.c     |  132 +++
 src/soc/intel/skylake/romstage/raminit.c         |  138 +++
 src/soc/intel/skylake/romstage/report_platform.c |  243 +++++
 src/soc/intel/skylake/romstage/romstage.c        |  164 ++++
 src/soc/intel/skylake/romstage/smbus.c           |   54 ++
 src/soc/intel/skylake/romstage/spi.c             |  149 +++
 src/soc/intel/skylake/romstage/stack.c           |  124 +++
 src/soc/intel/skylake/romstage/systemagent.c     |   55 ++
 src/soc/intel/skylake/romstage/uart.c            |   85 ++
 src/soc/intel/skylake/sata.c                     |  264 ++++++
 src/soc/intel/skylake/serialio.c                 |  318 +++++++
 src/soc/intel/skylake/smbus.c                    |  113 +++
 src/soc/intel/skylake/smbus_common.c             |  155 ++++
 src/soc/intel/skylake/smi.c                      |  123 +++
 src/soc/intel/skylake/smihandler.c               |  591 ++++++++++++
 src/soc/intel/skylake/smmrelocate.c              |  439 +++++++++
 src/soc/intel/skylake/spi.c                      |  680 ++++++++++++++
 src/soc/intel/skylake/stage_cache.c              |   35 +
 src/soc/intel/skylake/systemagent.c              |  452 +++++++++
 src/soc/intel/skylake/tsc_freq.c                 |   32 +
 src/soc/intel/skylake/usbdebug.c                 |   51 +
 src/soc/intel/skylake/xhci.c                     |  241 +++++
 110 files changed, 19612 insertions(+)

diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig
new file mode 100644
index 0000000..0864e57
--- /dev/null
+++ b/src/soc/intel/skylake/Kconfig
@@ -0,0 +1,278 @@
+config SOC_INTEL_SKYLAKE
+	bool
+	help
+	  Intel Skylake support
+
+if SOC_INTEL_SKYLAKE
+
+config CPU_SPECIFIC_OPTIONS
+	def_bool y
+	select ARCH_BOOTBLOCK_X86_32
+	select ARCH_VERSTAGE_X86_32
+	select ARCH_ROMSTAGE_X86_32
+	select ARCH_RAMSTAGE_X86_32
+	select ALT_CBFS_LOAD_PAYLOAD
+	select ALWAYS_LOAD_OPROM
+	select BACKUP_DEFAULT_SMM_REGION
+	select CACHE_MRC_BIN
+	select CACHE_MRC_SETTINGS
+	select MRC_SETTINGS_PROTECT
+	select CACHE_RELOCATED_RAMSTAGE_OUTSIDE_CBMEM
+	select CACHE_ROM
+	select CAR_MIGRATION
+	select COLLECT_TIMESTAMPS
+	select CPU_INTEL_FIRMWARE_INTERFACE_TABLE
+	select SUPPORT_CPU_UCODE_IN_CBFS
+	select HAVE_MONOTONIC_TIMER
+	select HAVE_SMI_HANDLER
+	select HAVE_HARD_RESET
+	select HAVE_USBDEBUG
+	select IOAPIC
+	select MMCONF_SUPPORT
+	select MMCONF_SUPPORT_DEFAULT
+	select RELOCATABLE_MODULES
+	select RELOCATABLE_RAMSTAGE
+	select REG_SCRIPT
+	select PARALLEL_MP
+	select PCIEXP_ASPM
+	select PCIEXP_COMMON_CLOCK
+	select PCIEXP_CLK_PM
+	select PCIEXP_L1_SUB_STATE
+	select SMM_MODULES
+	select SMM_TSEG
+	select SMP
+	select SPI_FLASH
+	select SSE2
+	select SUPPORT_CPU_UCODE_IN_CBFS
+	select TSC_CONSTANT_RATE
+	select TSC_SYNC_MFENCE
+	select UDELAY_TSC
+	select PER_DEVICE_ACPI_TABLES
+	select SOC_INTEL_COMMON
+
+config BOOTBLOCK_CPU_INIT
+	string
+	default "soc/intel/skylake/bootblock/cpu.c"
+
+config BOOTBLOCK_NORTHBRIDGE_INIT
+	string
+	default "soc/intel/skylake/bootblock/systemagent.c"
+
+config BOOTBLOCK_SOUTHBRIDGE_INIT
+	string
+	default "soc/intel/skylake/bootblock/pch.c"
+
+
+config MMCONF_BASE_ADDRESS
+	hex
+	default 0xf0000000
+
+config SERIAL_CPU_INIT
+	bool
+	default n
+
+config SMM_TSEG_SIZE
+	hex
+	default 0x800000
+
+config IED_REGION_SIZE
+	hex
+	default 0x400000
+
+config SMM_RESERVED_SIZE
+	hex
+	default 0x100000
+
+config VGA_BIOS_ID
+	string
+	default "8086,0406"
+
+config CACHE_MRC_SIZE_KB
+	int
+	default 512
+
+config DCACHE_RAM_BASE
+	hex
+	default 0xff7c0000
+
+config DCACHE_RAM_SIZE
+	hex
+	default 0x10000
+	help
+	  The size of the cache-as-ram region required during bootblock
+	  and/or romstage. Note DCACHE_RAM_SIZE and DCACHE_RAM_MRC_VAR_SIZE
+	  must add up to a power of 2.
+
+config DCACHE_RAM_MRC_VAR_SIZE
+	hex
+	default 0x30000
+	help
+	  The amount of cache-as-ram region required by the reference code.
+
+config DCACHE_RAM_ROMSTAGE_STACK_SIZE
+	hex
+	default 0x2000
+	help
+	  The amount of anticipated stack usage from the data cache
+	  during pre-ram rom stage execution.
+
+config HAVE_MRC
+	bool "Add a Memory Reference Code binary"
+	help
+	  Select this option to add a Memory Reference Code binary to
+	  the resulting coreboot image.
+
+	  Note: Without this binary coreboot will not work
+
+if HAVE_MRC
+
+config MRC_FILE
+	string "Intel Memory Reference Code path and filename"
+	depends on HAVE_MRC
+	default "mrc.bin"
+	help
+	  The filename of the file to use as Memory Reference Code binary.
+
+config MRC_BIN_ADDRESS
+	hex
+	default 0xfffa0000
+
+config CACHE_MRC_SETTINGS
+	bool "Save cached MRC settings"
+	default y
+
+endif # HAVE_MRC
+
+config CBFS_SIZE
+	hex "Size of CBFS filesystem in ROM"
+	default 0x100000
+	help
+	  The firmware image has to store more than just coreboot, including:
+	   - a firmware descriptor
+	   - Intel Management Engine firmware
+	   - MRC cache information
+	  This option allows to limit the size of the CBFS portion in the
+	  firmware image.
+
+config PRE_GRAPHICS_DELAY
+	int "Graphics initialization delay in ms"
+	default 0
+	help
+	  On some systems, coreboot boots so fast that connected monitors
+	  (mostly TVs) won't be able to wake up fast enough to talk to the
+	  VBIOS. On those systems we need to wait for a bit before executing
+	  the VBIOS.
+
+config RESET_ON_INVALID_RAMSTAGE_CACHE
+	bool "Reset the system on S3 wake when ramstage cache invalid."
+	default n
+	depends on RELOCATABLE_RAMSTAGE
+	help
+	  The romstage code caches the loaded ramstage program in SMM space.
+	  On S3 wake the romstage will copy over a fresh ramstage that was
+	  cached in the SMM space. This option determines the action to take
+	  when the ramstage cache is invalid. If selected the system will
+	  reset otherwise the ramstage will be reloaded from cbfs.
+
+config INTEL_PCH_UART_CONSOLE
+	bool "Use Serial IO UART for console"
+	default n
+	select HAVE_UART_MEMORY_MAPPED
+	select CONSOLE_SERIAL8250MEM
+	depends on !CONFIG_DRIVERS_OXFORD_OXPCIE
+
+config INTEL_PCH_UART_CONSOLE_NUMBER
+	hex "Serial IO UART number to use for console"
+	default "0x0"
+	depends on INTEL_PCH_UART_CONSOLE
+
+config TTYS0_BASE
+	hex
+	default 0xd6000000
+	depends on INTEL_PCH_UART_CONSOLE
+
+config EHCI_BAR
+	hex
+	default 0xd8000000
+
+config EHCI_DEBUG_OFFSET
+	hex
+	default 0xa0
+
+config SERIRQ_CONTINUOUS_MODE
+	bool
+	default y
+	help
+	  If you set this option to y, the serial IRQ machine will be
+	  operated in continuous mode.
+config HAVE_ME_BIN
+	bool "Add Intel Management Engine firmware"
+	default y
+	help
+	  The Intel processor in the selected system requires a special firmware
+	  for an integrated controller called Management Engine (ME). The ME
+	  firmware might be provided in coreboot's 3rdparty/blobs repository. If
+	  not and if you don't have the firmware elsewhere, you can still
+	  build coreboot without it. In this case however, you'll have to make
+	  sure that you don't overwrite your ME firmware on your flash ROM.
+
+config ME_BIN_PATH
+	string "Path to management engine firmware"
+	depends on HAVE_ME_BIN
+	default "3rdparty/blobs/mainboard/$(MAINBOARDDIR)/me.bin"
+
+config HAVE_IFD_BIN
+	bool "Use Intel Firmware Descriptor from existing binary"
+	default n
+
+config BUILD_WITH_FAKE_IFD
+	bool "Build with a fake IFD"
+	default y if !HAVE_IFD_BIN
+	help
+	  If you don't have an Intel Firmware Descriptor (ifd.bin) for your
+	  board, you can select this option and coreboot will build without it.
+	  Though, the resulting coreboot.rom will not contain all parts required
+	  to get coreboot running on your board. You can however write only the
+	  BIOS section to your board's flash ROM and keep the other sections
+	  untouched. Unfortunately the current version of flashrom doesn't
+	  support this yet. But there is a patch pending [1].
+
+	  WARNING: Never write a complete coreboot.rom to your flash ROM if it
+		   was built with a fake IFD. It just won't work.
+
+	  [1] http://www.flashrom.org/pipermail/flashrom/2013-June/011083.html
+
+config IFD_BIOS_SECTION
+	depends on BUILD_WITH_FAKE_IFD
+	string
+	default ""
+
+config IFD_ME_SECTION
+	depends on BUILD_WITH_FAKE_IFD
+	string
+	default ""
+
+config IFD_PLATFORM_SECTION
+	depends on BUILD_WITH_FAKE_IFD
+	string
+	default ""
+
+config IFD_BIN_PATH
+	string "Path to intel firmware descriptor"
+	depends on !BUILD_WITH_FAKE_IFD
+	default "3rdparty/blobs/mainboard/$(MAINBOARDDIR)/descriptor.bin"
+
+config LOCK_MANAGEMENT_ENGINE
+	bool "Lock Management Engine section"
+	default n
+	help
+	  The Intel Management Engine supports preventing write accesses
+	  from the host to the Management Engine section in the firmware
+	  descriptor. If the ME section is locked, it can only be overwritten
+	  with an external SPI flash programmer. You will want this if you
+	  want to increase security of your ROM image once you are sure
+	  that the ME firmware is no longer going to change.
+
+	  If unsure, say N.
+
+endif
diff --git a/src/soc/intel/skylake/Makefile.inc b/src/soc/intel/skylake/Makefile.inc
new file mode 100644
index 0000000..d7845e6
--- /dev/null
+++ b/src/soc/intel/skylake/Makefile.inc
@@ -0,0 +1,134 @@
+ifeq ($(CONFIG_SOC_INTEL_BROADWELL),y)
+
+subdirs-y += bootblock
+subdirs-y += microcode
+subdirs-y += romstage
+subdirs-y += ../../../cpu/x86/lapic
+subdirs-y += ../../../cpu/x86/mtrr
+subdirs-y += ../../../cpu/x86/smm
+subdirs-y += ../../../cpu/x86/tsc
+subdirs-y += ../../../cpu/intel/microcode
+subdirs-y += ../../../cpu/intel/turbo
+
+ramstage-y += acpi.c
+ramstage-y += adsp.c
+ramstage-y += chip.c
+ramstage-y += cpu.c
+ramstage-y += cpu_info.c
+smm-y += cpu_info.c
+ramstage-$(CONFIG_ELOG) += elog.c
+ramstage-y += finalize.c
+ramstage-y += gpio.c
+romstage-y += gpio.c
+smm-y      += gpio.c
+ramstage-y += hda.c
+ramstage-y += igd.c
+ramstage-y += iobp.c
+romstage-y += iobp.c
+ramstage-y += lpc.c
+ramstage-y += me.c
+ramstage-y += me_status.c
+romstage-y += me_status.c
+ramstage-y += memmap.c
+romstage-y += memmap.c
+ramstage-y += minihd.c
+ramstage-y += monotonic_timer.c
+smm-y      += monotonic_timer.c
+ramstage-y += pch.c
+romstage-y += pch.c
+ramstage-y += pcie.c
+ramstage-y += pei_data.c
+romstage-y += pei_data.c
+ramstage-y += pmutil.c
+romstage-y += pmutil.c
+smm-y      += pmutil.c
+ramstage-y += ramstage.c
+ramstage-$(CONFIG_HAVE_REFCODE_BLOB) += refcode.c
+ramstage-y += reset.c
+romstage-y += reset.c
+ramstage-y += sata.c
+ramstage-y += serialio.c
+ramstage-y += smbus.c
+ramstage-y += smbus_common.c
+romstage-y += smbus_common.c
+ramstage-y += smi.c
+smm-y      += smihandler.c
+ramstage-y += smmrelocate.c
+ramstage-y += spi.c
+smm-$(CONFIG_SPI_FLASH_SMM) += spi.c
+ramstage-y += stage_cache.c
+romstage-y += stage_cache.c
+ramstage-y += systemagent.c
+ramstage-y += tsc_freq.c
+romstage-y += tsc_freq.c
+smm-y      += tsc_freq.c
+ramstage-y += ehci.c
+ramstage-y += xhci.c
+smm-y      += xhci.c
+
+ifeq ($(CONFIG_USBDEBUG),y)
+ramstage-y += usbdebug.c
+romstage-y += usbdebug.c
+smm-y      += usbdebug.c
+endif
+
+CPPFLAGS_common += -Isrc/soc/intel/broadwell/include
+
+# Run an intermediate step when producing coreboot.rom
+# that adds additional components to the final firmware
+# image outside of CBFS
+INTERMEDIATE := broadwell_add_me
+
+ifeq ($(CONFIG_BUILD_WITH_FAKE_IFD),y)
+IFD_BIN_PATH := $(objgenerated)/ifdfake.bin
+IFD_SECTIONS := $(addprefix -b ,$(CONFIG_IFD_BIOS_SECTION:"%"=%)) \
+		$(addprefix -m ,$(CONFIG_IFD_ME_SECTION:"%"=%)) \
+		$(addprefix -p ,$(CONFIG_IFD_PLATFORM_SECTION:"%"=%))
+else
+IFD_BIN_PATH := $(CONFIG_IFD_BIN_PATH)
+endif
+
+broadwell_add_me: $(obj)/coreboot.pre $(IFDTOOL) $(IFDFAKE)
+ifeq ($(CONFIG_BUILD_WITH_FAKE_IFD),y)
+	printf "\n** WARNING **\n"
+	printf "Coreboot will be built with a fake Intel Firmware Descriptor (IFD).\n"
+	printf "Never write a complete coreboot.rom with a fake IFD to your board's\n"
+	printf "flash ROM! Make sure that you only write valid flash regions.\n\n"
+	printf "    IFDFAKE    Building a fake Intel Firmware Descriptor\n"
+	$(IFDFAKE) $(IFD_SECTIONS) $(IFD_BIN_PATH)
+endif
+	printf "    DD         Adding Intel Firmware Descriptor\n"
+	dd if=$(IFD_BIN_PATH) \
+		of=$(obj)/coreboot.pre conv=notrunc >/dev/null 2>&1
+ifeq ($(CONFIG_HAVE_ME_BIN),y)
+	printf "    IFDTOOL    me.bin -> coreboot.pre\n"
+	$(objutil)/ifdtool/ifdtool \
+		-i ME:$(CONFIG_ME_BIN_PATH) \
+		$(obj)/coreboot.pre
+	mv $(obj)/coreboot.pre.new $(obj)/coreboot.pre
+ifeq ($(CONFIG_LOCK_MANAGEMENT_ENGINE),y)
+	printf "    IFDTOOL    Locking Management Engine\n"
+	$(objutil)/ifdtool/ifdtool -l $(obj)/coreboot.pre
+	mv $(obj)/coreboot.pre.new $(obj)/coreboot.pre
+else
+	printf "    IFDTOOL    Unlocking Management Engine\n"
+	$(objutil)/ifdtool/ifdtool -u $(obj)/coreboot.pre
+	mv $(obj)/coreboot.pre.new $(obj)/coreboot.pre
+endif
+endif
+
+PHONY += broadwell_add_me
+
+# If an MRC file is an ELF file determine the entry address and first loadable
+# section offset in the file. Subtract the offset from the entry address to
+# determine the final location.
+mrcelfoffset = $(shell $(READELF_x86_32) -S -W $(CONFIG_MRC_FILE) | sed -e 's/\[ /[0/' | awk '$$3 ~ /PROGBITS/ { print "0x"$$5; exit }' )
+mrcelfentry = $(shell $(READELF_x86_32) -h -W $(CONFIG_MRC_FILE) | grep 'Entry point address' | awk '{print $$NF }')
+
+# Add memory reference code blob.
+cbfs-files-$(CONFIG_HAVE_MRC) += mrc.bin
+mrc.bin-file := $(call strip_quotes,$(CONFIG_MRC_FILE))
+mrc.bin-position := $(if $(findstring elf,$(CONFIG_MRC_FILE)),$(shell printf "0x%x" $$(( $(mrcelfentry) - $(mrcelfoffset) )) ),$(CONFIG_MRC_BIN_ADDRESS))
+mrc.bin-type := mrc
+
+endif
diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c
new file mode 100644
index 0000000..f038e87
--- /dev/null
+++ b/src/soc/intel/skylake/acpi.c
@@ -0,0 +1,602 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/acpi.h>
+#include <arch/acpigen.h>
+#include <arch/io.h>
+#include <arch/smp/mpspec.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <cpu/x86/smm.h>
+#include <console/console.h>
+#include <types.h>
+#include <string.h>
+#include <arch/cpu.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/tsc.h>
+#include <cpu/intel/turbo.h>
+#include <ec/google/chromeec/ec.h>
+#include <vendorcode/google/chromeos/gnvs.h>
+#include <soc/acpi.h>
+#include <soc/cpu.h>
+#include <soc/iomap.h>
+#include <soc/lpc.h>
+#include <soc/msr.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/intel/broadwell/chip.h>
+
+/*
+ * List of supported C-states in this processor. Only the ULT parts support C8,
+ * C9, and C10.
+ */
+enum {
+	C_STATE_C0,             /* 0 */
+	C_STATE_C1,             /* 1 */
+	C_STATE_C1E,            /* 2 */
+	C_STATE_C3,             /* 3 */
+	C_STATE_C6_SHORT_LAT,   /* 4 */
+	C_STATE_C6_LONG_LAT,    /* 5 */
+	C_STATE_C7_SHORT_LAT,   /* 6 */
+	C_STATE_C7_LONG_LAT,    /* 7 */
+	C_STATE_C7S_SHORT_LAT,  /* 8 */
+	C_STATE_C7S_LONG_LAT,   /* 9 */
+	C_STATE_C8,             /* 10 */
+	C_STATE_C9,             /* 11 */
+	C_STATE_C10,            /* 12 */
+	NUM_C_STATES
+};
+
+#define MWAIT_RES(state, sub_state)                         \
+	{                                                   \
+		.addrl = (((state) << 4) | (sub_state)),    \
+		.space_id = ACPI_ADDRESS_SPACE_FIXED,       \
+		.bit_width = ACPI_FFIXEDHW_VENDOR_INTEL,    \
+		.bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT,    \
+		.access_size = ACPI_FFIXEDHW_FLAG_HW_COORD, \
+	}
+
+static acpi_cstate_t cstate_map[NUM_C_STATES] = {
+	[C_STATE_C0] = { },
+	[C_STATE_C1] = {
+		.latency = 0,
+		.power = 1000,
+		.resource = MWAIT_RES(0,0),
+	},
+	[C_STATE_C1E] = {
+		.latency = 0,
+		.power = 1000,
+		.resource = MWAIT_RES(0,1),
+	},
+	[C_STATE_C3] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
+		.power = 900,
+		.resource = MWAIT_RES(1, 0),
+	},
+	[C_STATE_C6_SHORT_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(1),
+		.power = 800,
+		.resource = MWAIT_RES(2, 0),
+	},
+	[C_STATE_C6_LONG_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(2),
+		.power = 800,
+		.resource = MWAIT_RES(2, 1),
+	},
+	[C_STATE_C7_SHORT_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(1),
+		.power = 700,
+		.resource = MWAIT_RES(3, 0),
+	},
+	[C_STATE_C7_LONG_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(2),
+		.power = 700,
+		.resource = MWAIT_RES(3, 1),
+	},
+	[C_STATE_C7S_SHORT_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(1),
+		.power = 700,
+		.resource = MWAIT_RES(3, 2),
+	},
+	[C_STATE_C7S_LONG_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(2),
+		.power = 700,
+		.resource = MWAIT_RES(3, 3),
+	},
+	[C_STATE_C8] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(3),
+		.power = 600,
+		.resource = MWAIT_RES(4, 0),
+	},
+	[C_STATE_C9] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(4),
+		.power = 500,
+		.resource = MWAIT_RES(5, 0),
+	},
+	[C_STATE_C10] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(5),
+		.power = 400,
+		.resource = MWAIT_RES(6, 0),
+	},
+};
+
+static int cstate_set_s0ix[3] = {
+	C_STATE_C1E,
+	C_STATE_C7S_LONG_LAT,
+	C_STATE_C10
+};
+
+static int cstate_set_non_s0ix[3] = {
+	C_STATE_C1E,
+	C_STATE_C3,
+	C_STATE_C7S_LONG_LAT
+};
+
+static int get_cores_per_package(void)
+{
+	struct cpuinfo_x86 c;
+	struct cpuid_result result;
+	int cores = 1;
+
+	get_fms(&c, cpuid_eax(1));
+	if (c.x86 != 6)
+		return 1;
+
+	result = cpuid_ext(0xb, 1);
+	cores = result.ebx & 0xff;
+
+	return cores;
+}
+
+void acpi_init_gnvs(global_nvs_t *gnvs)
+{
+	/* Set unknown wake source */
+	gnvs->pm1i = -1;
+
+	/* CPU core count */
+	gnvs->pcnt = dev_count_cpu();
+
+#if CONFIG_CONSOLE_CBMEM
+	/* Update the mem console pointer. */
+	gnvs->cbmc = (u32)cbmem_find(CBMEM_ID_CONSOLE);
+#endif
+
+#if CONFIG_CHROMEOS
+	/* Initialize Verified Boot data */
+	chromeos_init_vboot(&(gnvs->chromeos));
+#if CONFIG_EC_GOOGLE_CHROMEEC
+	gnvs->chromeos.vbt2 = google_ec_running_ro() ?
+		ACTIVE_ECFW_RO : ACTIVE_ECFW_RW;
+#endif
+	gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO;
+#endif
+}
+
+void acpi_create_intel_hpet(acpi_hpet_t * hpet)
+{
+	acpi_header_t *header = &(hpet->header);
+	acpi_addr_t *addr = &(hpet->addr);
+
+	memset((void *) hpet, 0, sizeof(acpi_hpet_t));
+
+	/* fill out header fields */
+	memcpy(header->signature, "HPET", 4);
+	memcpy(header->oem_id, OEM_ID, 6);
+	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
+	memcpy(header->asl_compiler_id, ASLC, 4);
+
+	header->length = sizeof(acpi_hpet_t);
+	header->revision = 1;
+
+	/* fill out HPET address */
+	addr->space_id = 0;	/* Memory */
+	addr->bit_width = 64;
+	addr->bit_offset = 0;
+	addr->addrl = (unsigned long long)HPET_BASE_ADDRESS & 0xffffffff;
+	addr->addrh = (unsigned long long)HPET_BASE_ADDRESS >> 32;
+
+	hpet->id = 0x8086a201;	/* Intel */
+	hpet->number = 0x00;
+	hpet->min_tick = 0x0080;
+
+	header->checksum =
+	    acpi_checksum((void *) hpet, sizeof(acpi_hpet_t));
+}
+
+unsigned long acpi_fill_mcfg(unsigned long current)
+{
+	current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *)current,
+					     MCFG_BASE_ADDRESS, 0, 0, 255);
+	return current;
+}
+
+void acpi_fill_in_fadt(acpi_fadt_t *fadt)
+{
+	const uint16_t pmbase = ACPI_BASE_ADDRESS;
+
+	fadt->sci_int = acpi_sci_irq();
+	fadt->smi_cmd = APM_CNT;
+	fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
+	fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
+	fadt->s4bios_req = 0x0;
+	fadt->pstate_cnt = 0;
+
+	fadt->pm1a_evt_blk = pmbase + PM1_STS;
+	fadt->pm1b_evt_blk = 0x0;
+	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
+	fadt->pm1b_cnt_blk = 0x0;
+	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
+	fadt->pm_tmr_blk = pmbase + PM1_TMR;
+	fadt->gpe0_blk = pmbase + GPE0_STS(0);
+	fadt->gpe1_blk = 0;
+
+	fadt->pm1_evt_len = 4;
+	fadt->pm1_cnt_len = 2;
+	fadt->pm2_cnt_len = 1;
+	fadt->pm_tmr_len = 4;
+	fadt->gpe0_blk_len = 32;
+	fadt->gpe1_blk_len = 0;
+	fadt->gpe1_base = 0;
+	fadt->cst_cnt = 0;
+	fadt->p_lvl2_lat = 1;
+	fadt->p_lvl3_lat = 87;
+	fadt->flush_size = 1024;
+	fadt->flush_stride = 16;
+	fadt->duty_offset = 1;
+	fadt->duty_width = 0;
+	fadt->day_alrm = 0xd;
+	fadt->mon_alrm = 0x00;
+	fadt->century = 0x00;
+	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
+
+	fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
+			ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
+			ACPI_FADT_RESET_REGISTER | ACPI_FADT_SEALED_CASE |
+			ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
+
+	fadt->reset_reg.space_id = 1;
+	fadt->reset_reg.bit_width = 8;
+	fadt->reset_reg.bit_offset = 0;
+	fadt->reset_reg.resv = 0;
+	fadt->reset_reg.addrl = 0xcf9;
+	fadt->reset_reg.addrh = 0;
+	fadt->reset_value = 6;
+
+	fadt->x_pm1a_evt_blk.space_id = 1;
+	fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
+	fadt->x_pm1a_evt_blk.bit_offset = 0;
+	fadt->x_pm1a_evt_blk.resv = 0;
+	fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
+	fadt->x_pm1a_evt_blk.addrh = 0x0;
+
+	fadt->x_pm1b_evt_blk.space_id = 1;
+	fadt->x_pm1b_evt_blk.bit_width = 0;
+	fadt->x_pm1b_evt_blk.bit_offset = 0;
+	fadt->x_pm1b_evt_blk.resv = 0;
+	fadt->x_pm1b_evt_blk.addrl = 0x0;
+	fadt->x_pm1b_evt_blk.addrh = 0x0;
+
+	fadt->x_pm1a_cnt_blk.space_id = 1;
+	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
+	fadt->x_pm1a_cnt_blk.bit_offset = 0;
+	fadt->x_pm1a_cnt_blk.resv = 0;
+	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
+	fadt->x_pm1a_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm1b_cnt_blk.space_id = 1;
+	fadt->x_pm1b_cnt_blk.bit_width = 0;
+	fadt->x_pm1b_cnt_blk.bit_offset = 0;
+	fadt->x_pm1b_cnt_blk.resv = 0;
+	fadt->x_pm1b_cnt_blk.addrl = 0x0;
+	fadt->x_pm1b_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm2_cnt_blk.space_id = 1;
+	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
+	fadt->x_pm2_cnt_blk.bit_offset = 0;
+	fadt->x_pm2_cnt_blk.resv = 0;
+	fadt->x_pm2_cnt_blk.addrl = pmbase + PM2_CNT;
+	fadt->x_pm2_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm_tmr_blk.space_id = 1;
+	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
+	fadt->x_pm_tmr_blk.bit_offset = 0;
+	fadt->x_pm_tmr_blk.resv = 0;
+	fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
+	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	fadt->x_gpe0_blk.space_id = 0;
+	fadt->x_gpe0_blk.bit_width = 0;
+	fadt->x_gpe0_blk.bit_offset = 0;
+	fadt->x_gpe0_blk.resv = 0;
+	fadt->x_gpe0_blk.addrl = 0;
+	fadt->x_gpe0_blk.addrh = 0;
+
+	fadt->x_gpe1_blk.space_id = 1;
+	fadt->x_gpe1_blk.bit_width = 0;
+	fadt->x_gpe1_blk.bit_offset = 0;
+	fadt->x_gpe1_blk.resv = 0;
+	fadt->x_gpe1_blk.addrl = 0x0;
+	fadt->x_gpe1_blk.addrh = 0x0;
+}
+
+static acpi_tstate_t tss_table_fine[] = {
+	{ 100, 1000, 0, 0x00, 0 },
+	{ 94, 940, 0, 0x1f, 0 },
+	{ 88, 880, 0, 0x1e, 0 },
+	{ 82, 820, 0, 0x1d, 0 },
+	{ 75, 760, 0, 0x1c, 0 },
+	{ 69, 700, 0, 0x1b, 0 },
+	{ 63, 640, 0, 0x1a, 0 },
+	{ 57, 580, 0, 0x19, 0 },
+	{ 50, 520, 0, 0x18, 0 },
+	{ 44, 460, 0, 0x17, 0 },
+	{ 38, 400, 0, 0x16, 0 },
+	{ 32, 340, 0, 0x15, 0 },
+	{ 25, 280, 0, 0x14, 0 },
+	{ 19, 220, 0, 0x13, 0 },
+	{ 13, 160, 0, 0x12, 0 },
+};
+
+static acpi_tstate_t tss_table_coarse[] = {
+	{ 100, 1000, 0, 0x00, 0 },
+	{ 88, 875, 0, 0x1f, 0 },
+	{ 75, 750, 0, 0x1e, 0 },
+	{ 63, 625, 0, 0x1d, 0 },
+	{ 50, 500, 0, 0x1c, 0 },
+	{ 38, 375, 0, 0x1b, 0 },
+	{ 25, 250, 0, 0x1a, 0 },
+	{ 13, 125, 0, 0x19, 0 },
+};
+
+static int generate_T_state_entries(int core, int cores_per_package)
+{
+	int len;
+
+	/* Indicate SW_ALL coordination for T-states */
+	len = acpigen_write_TSD_package(core, cores_per_package, SW_ALL);
+
+	/* Indicate FFixedHW so OS will use MSR */
+	len += acpigen_write_empty_PTC();
+
+	/* Set a T-state limit that can be modified in NVS */
+	len += acpigen_write_TPC("\\TLVL");
+
+	/*
+	 * CPUID.(EAX=6):EAX[5] indicates support
+	 * for extended throttle levels.
+	 */
+	if (cpuid_eax(6) & (1 << 5))
+		len += acpigen_write_TSS_package(
+			ARRAY_SIZE(tss_table_fine), tss_table_fine);
+	else
+		len += acpigen_write_TSS_package(
+			ARRAY_SIZE(tss_table_coarse), tss_table_coarse);
+
+	return len;
+}
+
+static int generate_C_state_entries(void)
+{
+	device_t dev = SA_DEV_ROOT;
+	config_t *config = dev->chip_info;
+	acpi_cstate_t map[3];
+	int *set;
+	int i;
+
+	if (config->s0ix_enable)
+		set = cstate_set_s0ix;
+	else
+		set = cstate_set_non_s0ix;
+
+	for (i = 0; i < 3; i++) {
+		memcpy(&map[i], &cstate_map[set[i]], sizeof(acpi_cstate_t));
+		map[i].ctype = i + 1;
+	}
+
+	/* Generate C-state tables */
+	return acpigen_write_CST_package(map, ARRAY_SIZE(map));
+}
+
+static int calculate_power(int tdp, int p1_ratio, int ratio)
+{
+	u32 m;
+	u32 power;
+
+	/*
+	 * M = ((1.1 - ((p1_ratio - ratio) * 0.00625)) / 1.1) ^ 2
+	 *
+	 * Power = (ratio / p1_ratio) * m * tdp
+	 */
+
+	m = (110000 - ((p1_ratio - ratio) * 625)) / 11;
+	m = (m * m) / 1000;
+
+	power = ((ratio * 100000 / p1_ratio) / 100);
+	power *= (m / 100) * (tdp / 1000);
+	power /= 1000;
+
+	return (int)power;
+}
+
+static void generate_P_state_entries(int core, int cores_per_package)
+{
+	int ratio_min, ratio_max, ratio_turbo, ratio_step;
+	int coord_type, power_max, power_unit, num_entries;
+	int ratio, power, clock, clock_max;
+	msr_t msr;
+
+	/* Determine P-state coordination type from MISC_PWR_MGMT[0] */
+	msr = rdmsr(MSR_MISC_PWR_MGMT);
+	if (msr.lo & MISC_PWR_MGMT_EIST_HW_DIS)
+		coord_type = SW_ANY;
+	else
+		coord_type = HW_ALL;
+
+	/* Get bus ratio limits and calculate clock speeds */
+	msr = rdmsr(MSR_PLATFORM_INFO);
+	ratio_min = (msr.hi >> (40-32)) & 0xff; /* Max Efficiency Ratio */
+
+	/* Determine if this CPU has configurable TDP */
+	if (cpu_config_tdp_levels()) {
+		/* Set max ratio to nominal TDP ratio */
+		msr = rdmsr(MSR_CONFIG_TDP_NOMINAL);
+		ratio_max = msr.lo & 0xff;
+	} else {
+		/* Max Non-Turbo Ratio */
+		ratio_max = (msr.lo >> 8) & 0xff;
+	}
+	clock_max = ratio_max * CPU_BCLK;
+
+	/* Calculate CPU TDP in mW */
+	msr = rdmsr(MSR_PKG_POWER_SKU_UNIT);
+	power_unit = 2 << ((msr.lo & 0xf) - 1);
+	msr = rdmsr(MSR_PKG_POWER_SKU);
+	power_max = ((msr.lo & 0x7fff) / power_unit) * 1000;
+
+	/* Write _PCT indicating use of FFixedHW */
+	acpigen_write_empty_PCT();
+
+	/* Write _PPC with no limit on supported P-state */
+	acpigen_write_PPC_NVS();
+
+	/* Write PSD indicating configured coordination type */
+	acpigen_write_PSD_package(core, 1, coord_type);
+
+	/* Add P-state entries in _PSS table */
+	acpigen_write_name("_PSS");
+
+	/* Determine ratio points */
+	ratio_step = PSS_RATIO_STEP;
+	num_entries = (ratio_max - ratio_min) / ratio_step;
+	while (num_entries > PSS_MAX_ENTRIES-1) {
+		ratio_step <<= 1;
+		num_entries >>= 1;
+	}
+
+	/* P[T] is Turbo state if enabled */
+	if (get_turbo_state() == TURBO_ENABLED) {
+		/* _PSS package count including Turbo */
+		acpigen_write_package(num_entries + 2);
+
+		msr = rdmsr(MSR_TURBO_RATIO_LIMIT);
+		ratio_turbo = msr.lo & 0xff;
+
+		/* Add entry for Turbo ratio */
+		acpigen_write_PSS_package(
+			clock_max + 1,		/*MHz*/
+			power_max,		/*mW*/
+			PSS_LATENCY_TRANSITION,	/*lat1*/
+			PSS_LATENCY_BUSMASTER,	/*lat2*/
+			ratio_turbo << 8,	/*control*/
+			ratio_turbo << 8);	/*status*/
+	} else {
+		/* _PSS package count without Turbo */
+		acpigen_write_package(num_entries + 1);
+	}
+
+	/* First regular entry is max non-turbo ratio */
+	acpigen_write_PSS_package(
+		clock_max,		/*MHz*/
+		power_max,		/*mW*/
+		PSS_LATENCY_TRANSITION,	/*lat1*/
+		PSS_LATENCY_BUSMASTER,	/*lat2*/
+		ratio_max << 8,		/*control*/
+		ratio_max << 8);	/*status*/
+
+	/* Generate the remaining entries */
+	for (ratio = ratio_min + ((num_entries - 1) * ratio_step);
+	     ratio >= ratio_min; ratio -= ratio_step) {
+
+		/* Calculate power at this ratio */
+		power = calculate_power(power_max, ratio_max, ratio);
+		clock = ratio * CPU_BCLK;
+
+		acpigen_write_PSS_package(
+			clock,			/*MHz*/
+			power,			/*mW*/
+			PSS_LATENCY_TRANSITION,	/*lat1*/
+			PSS_LATENCY_BUSMASTER,	/*lat2*/
+			ratio << 8,		/*control*/
+			ratio << 8);		/*status*/
+	}
+
+	/* Fix package length */
+	acpigen_pop_len();
+}
+
+void generate_cpu_entries(void)
+{
+	int coreID, cpuID, pcontrol_blk = ACPI_BASE_ADDRESS, plen = 6;
+	int totalcores = dev_count_cpu();
+	int cores_per_package = get_cores_per_package();
+	int numcpus = totalcores/cores_per_package;
+
+	printk(BIOS_DEBUG, "Found %d CPU(s) with %d core(s) each.\n",
+	       numcpus, cores_per_package);
+
+	for (cpuID=1; cpuID <=numcpus; cpuID++) {
+		for (coreID=1; coreID<=cores_per_package; coreID++) {
+			if (coreID>1) {
+				pcontrol_blk = 0;
+				plen = 0;
+			}
+
+			/* Generate processor \_PR.CPUx */
+			acpigen_write_processor(
+				(cpuID-1)*cores_per_package+coreID-1,
+				pcontrol_blk, plen);
+
+			/* Generate P-state tables */
+			generate_P_state_entries(
+				coreID-1, cores_per_package);
+
+			/* Generate C-state tables */
+			generate_C_state_entries();
+
+			/* Generate T-state tables */
+			generate_T_state_entries(
+				cpuID-1, cores_per_package);
+
+			acpigen_pop_len();
+		}
+	}
+}
+
+unsigned long acpi_madt_irq_overrides(unsigned long current)
+{
+	int sci = acpi_sci_irq();
+	acpi_madt_irqoverride_t *irqovr;
+	uint16_t flags = MP_IRQ_TRIGGER_LEVEL;
+
+	/* INT_SRC_OVR */
+	irqovr = (void *)current;
+	current += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0);
+
+	if (sci >= 20)
+		flags |= MP_IRQ_POLARITY_LOW;
+	else
+		flags |= MP_IRQ_POLARITY_HIGH;
+
+	/* SCI */
+	irqovr = (void *)current;
+	current += acpi_create_madt_irqoverride(irqovr, 0, sci, sci, flags);
+
+	return current;
+}
diff --git a/src/soc/intel/skylake/acpi/adsp.asl b/src/soc/intel/skylake/acpi/adsp.asl
new file mode 100644
index 0000000..cb10d9a
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/adsp.asl
@@ -0,0 +1,73 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+Device (ADSP)
+{
+	Method (_HID, 0, Serialized)
+	{
+		If (\ISWP ()) {
+			// WildcatPoint
+			Return ("INT3438")
+		}
+
+		// LynxPoint-LP
+		Return ("INT33C8")
+	}
+	Name (_UID, 1)
+	Name (_DDN, "Intel Smart Sound Technology")
+
+	Name (RBUF, ResourceTemplate ()
+	{
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00100000, BAR0)
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00001000, BAR1)
+		Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive, , , ) {3}
+	})
+
+	Method (_CRS, 0, NotSerialized)
+	{
+		// Update BAR address and length if set in NVS
+		If (LNotEqual (\S8B0, Zero)) {
+			CreateDwordField (^RBUF, ^BAR0._BAS, B8A0)
+			CreateDwordField (^RBUF, ^BAR1._BAS, B8A1)
+			Store (\S8B0, B8A0)
+			Store (\S8B1, B8A1)
+		}
+
+		Return (RBUF)
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		If (LEqual (\S8EN, 0)) {
+			Return (0x0)
+		} Else {
+			Return (0xF)
+		}
+	}
+
+	Device (I2S0)
+	{
+		Name (_ADR, 0)
+	}
+
+	Device (I2S1)
+	{
+		Name (_ADR, 1)
+	}
+}
diff --git a/src/soc/intel/skylake/acpi/cpu.asl b/src/soc/intel/skylake/acpi/cpu.asl
new file mode 100644
index 0000000..2921cea
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/cpu.asl
@@ -0,0 +1,122 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* These devices are created at runtime */
+External (\_PR.CP00, DeviceObj)
+External (\_PR.CP01, DeviceObj)
+External (\_PR.CP02, DeviceObj)
+External (\_PR.CP03, DeviceObj)
+External (\_PR.CP04, DeviceObj)
+External (\_PR.CP05, DeviceObj)
+External (\_PR.CP06, DeviceObj)
+External (\_PR.CP07, DeviceObj)
+
+/* Notify OS to re-read CPU tables, assuming ^2 CPU count */
+Method (PNOT)
+{
+	If (LGreaterEqual (\PCNT, 2)) {
+		Notify (\_PR.CP00, 0x81)  // _CST
+		Notify (\_PR.CP01, 0x81)  // _CST
+	}
+	If (LGreaterEqual (\PCNT, 4)) {
+		Notify (\_PR.CP02, 0x81)  // _CST
+		Notify (\_PR.CP03, 0x81)  // _CST
+	}
+	If (LGreaterEqual (\PCNT, 8)) {
+		Notify (\_PR.CP04, 0x81)  // _CST
+		Notify (\_PR.CP05, 0x81)  // _CST
+		Notify (\_PR.CP06, 0x81)  // _CST
+		Notify (\_PR.CP07, 0x81)  // _CST
+	}
+}
+
+/* Notify OS to re-read CPU _PPC limit, assuming ^2 CPU count */
+Method (PPCN)
+{
+	If (LGreaterEqual (\PCNT, 2)) {
+		Notify (\_PR.CP00, 0x80)  // _PPC
+		Notify (\_PR.CP01, 0x80)  // _PPC
+	}
+	If (LGreaterEqual (\PCNT, 4)) {
+		Notify (\_PR.CP02, 0x80)  // _PPC
+		Notify (\_PR.CP03, 0x80)  // _PPC
+	}
+	If (LGreaterEqual (\PCNT, 8)) {
+		Notify (\_PR.CP04, 0x80)  // _PPC
+		Notify (\_PR.CP05, 0x80)  // _PPC
+		Notify (\_PR.CP06, 0x80)  // _PPC
+		Notify (\_PR.CP07, 0x80)  // _PPC
+	}
+}
+
+/* Notify OS to re-read Throttle Limit tables, assuming ^2 CPU count */
+Method (TNOT)
+{
+	If (LGreaterEqual (\PCNT, 2)) {
+		Notify (\_PR.CP00, 0x82)  // _TPC
+		Notify (\_PR.CP01, 0x82)  // _TPC
+	}
+	If (LGreaterEqual (\PCNT, 4)) {
+		Notify (\_PR.CP02, 0x82)  // _TPC
+		Notify (\_PR.CP03, 0x82)  // _TPC
+	}
+	If (LGreaterEqual (\PCNT, 8)) {
+		Notify (\_PR.CP04, 0x82)  // _TPC
+		Notify (\_PR.CP05, 0x82)  // _TPC
+		Notify (\_PR.CP06, 0x82)  // _TPC
+		Notify (\_PR.CP07, 0x82)  // _TPC
+	}
+}
+
+/* Return a package containing enabled processor entries */
+Method (PPKG)
+{
+	If (LGreaterEqual (\PCNT, 8)) {
+		Return (Package()
+		{
+			\_PR.CP00,
+			\_PR.CP01,
+			\_PR.CP02,
+			\_PR.CP03,
+			\_PR.CP04,
+			\_PR.CP05,
+			\_PR.CP06,
+			\_PR.CP07
+		})
+	} ElseIf (LGreaterEqual (\PCNT, 4)) {
+		Return (Package ()
+		{
+			\_PR.CP00,
+			\_PR.CP01,
+			\_PR.CP02,
+			\_PR.CP03
+		})
+	} ElseIf (LGreaterEqual (\PCNT, 2)) {
+		Return (Package ()
+		{
+			\_PR.CP00,
+			\_PR.CP01
+		})
+	} Else {
+		Return (Package ()
+		{
+			\_PR.CP00
+		})
+	}
+}
diff --git a/src/soc/intel/skylake/acpi/ctdp.asl b/src/soc/intel/skylake/acpi/ctdp.asl
new file mode 100644
index 0000000..a2a8fb4
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/ctdp.asl
@@ -0,0 +1,237 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+Scope (\_SB.PCI0.MCHC)
+{
+	Mutex (CTCM, 1)		/* CTDP Switch Mutex (sync level 1) */
+	Name (CTCC, 0)		/* CTDP Current Selection */
+	Name (CTCN, 0)		/* CTDP Nominal Select */
+	Name (CTCD, 1)		/* CTDP Down Select */
+	Name (CTCU, 2)		/* CTDP Up Select */
+	Name (SPL1, 0)		/* Saved PL1 value */
+
+	OperationRegion (MCHB, SystemMemory,
+			Add (MCH_BASE_ADDRESS, 0x5000), 0x1000)
+	Field (MCHB, DWordAcc, Lock, Preserve)
+	{
+		Offset (0x930), /* PACKAGE_POWER_SKU */
+		CTDN, 15,	/* CTDP Nominal PL1 */
+		Offset (0x938), /* PACKAGE_POWER_SKU_UNIT */
+		PUNI, 4,	/* Power Units */
+		,     4,
+		EUNI, 5,	/* Energy Units */
+		,     3,
+		TUNI, 4,	/* Time Units */
+		Offset (0x958), /* PLATFORM_INFO */
+		,     40,
+		LFM_, 8,	/* Maximum Efficiency Ratio (LFM) */
+		Offset (0x9a0), /* TURBO_POWER_LIMIT1 */
+		PL1V, 15,	/* Power Limit 1 Value */
+		PL1E, 1,	/* Power Limit 1 Enable */
+		PL1C, 1,	/* Power Limit 1 Clamp */
+		PL1T, 7,	/* Power Limit 1 Time */
+		Offset (0x9a4), /* TURBO_POWER_LIMIT2 */
+		PL2V, 15,	/* Power Limit 2 Value */
+		PL2E, 1,	/* Power Limit 2 Enable */
+		PL2C, 1,	/* Power Limit 2 Clamp */
+		PL2T, 7,	/* Power Limit 2 Time */
+		Offset (0xf3c), /* CONFIG_TDP_NOMINAL */
+		TARN, 8,	/* CTDP Nominal Turbo Activation Ratio */
+		Offset (0xf40), /* CONFIG_TDP_LEVEL1 */
+		CTDD, 15,	/* CTDP Down PL1 */
+		,     1,
+		TARD, 8,	/* CTDP Down Turbo Activation Ratio */
+		Offset (0xf48), /* MSR_CONFIG_TDP_LEVEL2 */
+		CTDU, 15,	/* CTDP Up PL1 */
+		,     1,
+		TARU, 8,	/* CTDP Up Turbo Activation Ratio */
+		Offset (0xf50), /* CONFIG_TDP_CONTROL */
+		CTCS, 2,	/* CTDP Select */
+		Offset (0xf54), /* TURBO_ACTIVATION_RATIO */
+		TARS, 8,	/* Turbo Activation Ratio Select */
+	}
+
+	/*
+	 * Search CPU0 _PSS looking for control=arg0 and then
+	 * return previous P-state entry number for new _PPC
+	 *
+	 * Format of _PSS:
+	 *   Name (_PSS, Package () {
+	 *     Package (6) { freq, power, tlat, blat, control, status }
+	 *   }
+	 */
+	External (\_PR.CP00._PSS)
+	Method (PSSS, 1, NotSerialized)
+	{
+		Store (One, Local0) /* Start at P1 */
+		Store (SizeOf (\_PR.CP00._PSS), Local1)
+
+		While (LLess (Local0, Local1)) {
+			/* Store _PSS entry Control value to Local2 */
+			ShiftRight (DeRefOf (Index (DeRefOf (Index
+			      (\_PR.CP00._PSS, Local0)), 4)), 8, Local2)
+			If (LEqual (Local2, Arg0)) {
+				Return (Subtract (Local0, 1))
+			}
+			Increment (Local0)
+		}
+
+		Return (0)
+	}
+
+	/* Calculate PL2 based on chip type */
+	Method (CPL2, 1, NotSerialized)
+	{
+		/* Haswell ULT PL2 = 25W */
+		/* FIXME: update for broadwell */
+		Return (Multiply (25, 8))
+	}
+
+	/* Set Config TDP Down */
+	Method (STND, 0, Serialized)
+	{
+		If (Acquire (CTCM, 100)) {
+			Return (0)
+		}
+		If (LEqual (CTCD, CTCC)) {
+			Release (CTCM)
+			Return (0)
+		}
+
+		Store ("Set TDP Down", Debug)
+
+		/* Set CTC */
+		Store (CTCD, CTCS)
+
+		/* Set TAR */
+		Store (TARD, TARS)
+
+		/* Set PPC limit and notify OS */
+		Store (PSSS (TARD), PPCM)
+		PPCN ()
+
+		/* Set PL2 */
+		Store (CPL2 (CTDD), PL2V)
+
+		/* Set PL1 */
+		Store (CTDD, PL1V)
+
+		/* Store the new TDP Down setting */
+		Store (CTCD, CTCC)
+
+		Release (CTCM)
+		Return (1)
+	}
+
+	/* Set Config TDP Nominal from Down */
+	Method (STDN, 0, Serialized)
+	{
+		If (Acquire (CTCM, 100)) {
+			Return (0)
+		}
+		If (LEqual (CTCN, CTCC)) {
+			Release (CTCM)
+			Return (0)
+		}
+
+		Store ("Set TDP Nominal", Debug)
+
+		/* Set PL1 */
+		Store (CTDN, PL1V)
+
+		/* Set PL2 */
+		Store (CPL2 (CTDN), PL2V)
+
+		/* Set PPC limit and notify OS */
+		Store (PSSS (TARN), PPCM)
+		PPCN ()
+
+		/* Set TAR */
+		Store (TARN, TARS)
+
+		/* Set CTC */
+		Store (CTCN, CTCS)
+
+		/* Store the new TDP Nominal setting */
+		Store (CTCN, CTCC)
+
+		Release (CTCM)
+		Return (1)
+	}
+
+	/* Calculate PL1 value based on requested TDP */
+	Method (TDPP, 1, NotSerialized)
+	{
+		Return (Multiply (ShiftLeft (Subtract (PUNI, 1), 2), Arg0))
+	}
+
+	/* Enable Controllable TDP to limit PL1 to requested value */
+	Method (CTLE, 1, Serialized)
+	{
+		If (Acquire (CTCM, 100)) {
+			Return (0)
+		}
+
+		Store ("Enable PL1 Limit", Debug)
+
+		/* Set _PPC to LFM */
+		Store (PSSS (LFM_), Local0)
+		Add (Local0, 1, PPCM)
+		\PPCN ()
+
+		/* Set TAR to LFM-1 */
+		Subtract (LFM_, 1, TARS)
+
+		/* Set PL1 to desired value */
+		Store (PL1V, SPL1)
+		Store (TDPP (Arg0), PL1V)
+
+		/* Set PL1 CLAMP bit */
+		Store (One, PL1C)
+
+		Release (CTCM)
+		Return (1)
+	}
+
+	/* Disable Controllable TDP */
+	Method (CTLD, 0, Serialized)
+	{
+		If (Acquire (CTCM, 100)) {
+			Return (0)
+		}
+
+		Store ("Disable PL1 Limit", Debug)
+
+		/* Clear PL1 CLAMP bit */
+		Store (Zero, PL1C)
+
+		/* Set PL1 to normal value */
+		Store (SPL1, PL1V)
+
+		/* Set TAR to 0 */
+		Store (Zero, TARS)
+
+		/* Set _PPC to 0 */
+		Store (Zero, PPCM)
+		\PPCN ()
+
+		Release (CTCM)
+		Return (1)
+	}
+}
diff --git a/src/soc/intel/skylake/acpi/device_nvs.asl b/src/soc/intel/skylake/acpi/device_nvs.asl
new file mode 100644
index 0000000..1d2aa78
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/device_nvs.asl
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* Device Enabled in ACPI Mode */
+
+S0EN,	8,	// DMA Enable
+S1EN,	8,	// I2C0 Enable
+S2EN,	8,	// I2C1 Enable
+S3EN,	8,	// SPI0 Enable
+S4EN,	8,	// SPI1 Enable
+S5EN,	8,	// UART0 Enable
+S6EN,	8,	// UART1 Enable
+S7EN,	8,	// SDIO Enable
+S8EN,	8,	// ADSP Enable
+
+/* BAR 0 */
+
+S0B0,	32,	// DMA BAR0
+S1B0,	32,	// I2C0 BAR0
+S2B0,	32,	// I2C1 BAR0
+S3B0,	32,	// SPI0 BAR0
+S4B0,	32,	// SPI1 BAR0
+S5B0,	32,	// UART0 BAR0
+S6B0,	32,	// UART1 BAR0
+S7B0,	32,	// SDIO BAR0
+S8B0,	32,	// ADSP BAR0
+
+/* BAR 1 */
+
+S0B1,	32,	// DMA BAR1
+S1B1,	32,	// I2C0 BAR1
+S2B1,	32,	// I2C1 BAR1
+S3B1,	32,	// SPI0 BAR1
+S4B1,	32,	// SPI1 BAR1
+S5B1,	32,	// UART0 BAR1
+S6B1,	32,	// UART1 BAR1
+S7B1,	32,	// SDIO BAR1
+S8B1,	32,	// ADSP BAR1
diff --git a/src/soc/intel/skylake/acpi/ehci.asl b/src/soc/intel/skylake/acpi/ehci.asl
new file mode 100644
index 0000000..a2e704f
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/ehci.asl
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// EHCI Controller 0:1d.0
+
+Device (EHCI)
+{
+	Name(_ADR, 0x001d0000)
+	Name (_PRW, Package(){ 0x6d, 3 })
+
+	// Leave USB ports on for to allow Wake from USB
+
+	Method(_S3D,0)	// Highest D State in S3 State
+	{
+		Return (2)
+	}
+
+	Method(_S4D,0)	// Highest D State in S4 State
+	{
+		Return (2)
+	}
+
+	Device (HUB7)
+	{
+		Name (_ADR, 0x00000000)
+
+		// How many are there?
+		Device (PRT1) { Name (_ADR, 1) } // USB Port 0
+		Device (PRT2) { Name (_ADR, 2) } // USB Port 1
+		Device (PRT3) { Name (_ADR, 3) } // USB Port 2
+		Device (PRT4) { Name (_ADR, 4) } // USB Port 3
+		Device (PRT5) { Name (_ADR, 5) } // USB Port 4
+		Device (PRT6) { Name (_ADR, 6) } // USB Port 5
+	}
+}
diff --git a/src/soc/intel/skylake/acpi/globalnvs.asl b/src/soc/intel/skylake/acpi/globalnvs.asl
new file mode 100644
index 0000000..223d21a
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/globalnvs.asl
@@ -0,0 +1,109 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* Global Variables */
+
+Name (\PICM, 0)		// IOAPIC/8259
+
+/*
+ * Global ACPI memory region. This region is used for passing information
+ * between coreboot (aka "the system bios"), ACPI, and the SMI handler.
+ * Since we don't know where this will end up in memory at ACPI compile time,
+ * we have to fix it up in coreboot's ACPI creation phase.
+ */
+
+External(NVSA)
+OperationRegion (GNVS, SystemMemory, NVSA, 0x2000)
+Field (GNVS, ByteAcc, NoLock, Preserve)
+{
+	/* Miscellaneous */
+	Offset (0x00),
+	OSYS,	16,	// 0x00 - Operating System
+	SMIF,	8,	// 0x02 - SMI function
+	PRM0,	8,	// 0x03 - SMI function parameter
+	PRM1,	8,	// 0x04 - SMI function parameter
+	SCIF,	8,	// 0x05 - SCI function
+	PRM2,	8,	// 0x06 - SCI function parameter
+	PRM3,	8,	// 0x07 - SCI function parameter
+	LCKF,	8,	// 0x08 - Global Lock function for EC
+	PRM4,	8,	// 0x09 - Lock function parameter
+	PRM5,	8,	// 0x0a - Lock function parameter
+	PCNT,	8,	// 0x0b - Processor Count
+	PPCM,	8,	// 0x0c - Max PPC State
+	TMPS,	8,	// 0x0d - Temperature Sensor ID
+	TLVL,	8,	// 0x0e - Throttle Level Limit
+	FLVL,	8,	// 0x0f - Current FAN Level
+	TCRT,	8,	// 0x10 - Critical Threshold
+	TPSV,	8,	// 0x11 - Passive Threshold
+	TMAX,	8,	// 0x12 - CPU Tj_max
+	S5U0,	8,	// 0x13 - Enable USB in S5
+	S3U0,	8,	// 0x14 - Enable USB in S3
+	S33G,	8,	// 0x15 - Enable 3G in S3
+	LIDS,	8,	// 0x16 - LID State
+	PWRS,	8,	// 0x17 - AC Power State
+	CMEM,	32,	// 0x18 - 0x1b - CBMEM TOC
+	CBMC,	32,	// 0x1c - 0x1f - Coreboot Memory Console
+	PM1I,	64,	// 0x20 - 0x27 - PM1 wake status bit
+	GPEI,	64,	// 0x28 - 0x2f - GPE wake status bit
+
+	/* ChromeOS specific */
+	Offset (0x100),
+	#include <vendorcode/google/chromeos/acpi/gnvs.asl>
+
+	/* Device specific */
+	Offset (0x1000),
+	#include "device_nvs.asl"
+}
+
+/* Set flag to enable USB charging in S3 */
+Method (S3UE)
+{
+	Store (One, \S3U0)
+}
+
+/* Set flag to disable USB charging in S3 */
+Method (S3UD)
+{
+	Store (Zero, \S3U0)
+}
+
+/* Set flag to enable USB charging in S5 */
+Method (S5UE)
+{
+	Store (One, \S5U0)
+}
+
+/* Set flag to disable USB charging in S5 */
+Method (S5UD)
+{
+	Store (Zero, \S5U0)
+}
+
+/* Set flag to enable 3G module in S3 */
+Method (S3GE)
+{
+	Store (One, \S33G)
+}
+
+/* Set flag to disable 3G module in S3 */
+Method (S3GD)
+{
+	Store (Zero, \S33G)
+}
diff --git a/src/soc/intel/skylake/acpi/gpio.asl b/src/soc/intel/skylake/acpi/gpio.asl
new file mode 100644
index 0000000..c6d8753
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/gpio.asl
@@ -0,0 +1,142 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+Device (GPIO)
+{
+	// GPIO Controller
+	Method (_HID)
+	{
+		If (\ISWP ()) {
+			// WildcatPoint
+			Return ("INT3437")
+		}
+
+		// LynxPoint-LP
+		Return ("INT33C7")
+	}
+	Name (_UID, 1)
+
+	Name (RBUF, ResourceTemplate()
+	{
+		DWordIo (ResourceProducer,
+			MinFixed,    // IsMinFixed
+			MaxFixed,    // IsMaxFixed
+			PosDecode,   // Decode
+			EntireRange, // ISARanges
+			0x00000000,  // AddressGranularity
+			0x00000000,  // AddressMinimum
+			0x00000000,  // AddressMaximum
+			0x00000000,  // AddressTranslation
+			0x00000000,  // RangeLength
+			,            // ResourceSourceIndex
+			,            // ResourceSource
+			BAR0)
+		// Disabled due to IRQ storm: http://crosbug.com/p/29548
+		//Interrupt (ResourceConsumer,
+		//	Level, ActiveHigh, Shared, , , ) {14}
+	})
+
+	Method (_CRS, 0, NotSerialized)
+	{
+		CreateDwordField (^RBUF, ^BAR0._MIN, BMIN)
+		CreateDwordField (^RBUF, ^BAR0._MAX, BMAX)
+		CreateDwordField (^RBUF, ^BAR0._LEN, BLEN)
+
+		Store (GPIO_BASE_SIZE, BLEN)
+		Store (GPIO_BASE_ADDRESS, BMIN)
+		Store (Subtract (Add (GPIO_BASE_ADDRESS,
+				      GPIO_BASE_SIZE), 1), BMAX)
+
+		Return (RBUF)
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		Return (0xF)
+	}
+
+	// GWAK: Setup GPIO as ACPI GPE for Wake
+	// Arg0: GPIO Number
+	Method (GWAK, 1, NotSerialized)
+	{
+		// Local0 = GPIO Base Address
+		Store (And (GPBS, Not(0x1)), Local0)
+
+		// Local1 = BANK, Local2 = OFFSET
+		Divide (Arg0, 32, Local2, Local1)
+
+		//
+		// Set OWNER to ACPI
+		//
+
+		// Local3 = GPIOBASE + GPIO_OWN(BANK)
+		Store (Add (Local0, Multiply (Local1, 0x4)), Local3)
+
+		// GPIO_OWN(BANK)
+		OperationRegion (IOWN, SystemIO, Local3, 4)
+		Field (IOWN, AnyAcc, NoLock, Preserve) {
+			GOWN, 32,
+		}
+
+		// GPIO_OWN[GPIO] = 0 (ACPI)
+		Store (And (GOWN, Not (ShiftLeft (0x1, Local2))), GOWN)
+
+		//
+		// Set ROUTE to SCI
+		//
+
+		// Local3 = GPIOBASE + GPIO_ROUTE(BANK)
+		Store (Add (Add (Local0, 0x30), Multiply (Local1, 0x4)), Local3)
+
+		// GPIO_ROUTE(BANK)
+		OperationRegion (IROU, SystemIO, Local3, 4)
+		Field (IROU, AnyAcc, NoLock, Preserve) {
+			GROU, 32,
+		}
+
+		// GPIO_ROUTE[GPIO] = 0 (SCI)
+		Store (And (GROU, Not (ShiftLeft (0x1, Local2))), GROU)
+
+		//
+		// Set GPnCONFIG to GPIO|INPUT|INVERT
+		//
+
+		// Local3 = GPIOBASE + GPnCONFIG0(GPIO)
+		Store (Add (Add (Local0, 0x100), Multiply (Arg0, 0x8)), Local3)
+
+		// GPnCONFIG(GPIO)
+		OperationRegion (GPNC, SystemIO, Local3, 8)
+		Field (GPNC, AnyAcc, NoLock, Preserve) {
+			GMOD, 1,  // MODE:   0=NATIVE 1=GPIO
+			, 1,
+			GIOS, 1,  // IO_SEL: 0=OUTPUT 1=INPUT
+			GINV, 1,  // INVERT: 0=NORMAL 1=INVERT
+			GLES, 1,  // LxEB:   0=EDGE 1=LEVEL
+			, 24,
+			ILVL, 1,  // INPUT:  0=LOW 1=HIGH
+			OLVL, 1,  // OUTPUT: 0=LOW 1=HIGH
+			GPWP, 2,  // PULLUP: 00=NONE 01=DOWN 10=UP 11=INVALID
+			ISEN, 1,  // SENSE:  0=ENABLE 1=DISABLE
+		}
+
+		Store (0x1, GMOD) // GPIO
+		Store (0x1, GIOS) // INPUT
+		Store (0x1, GINV) // INVERT
+	}
+}
diff --git a/src/soc/intel/skylake/acpi/hda.asl b/src/soc/intel/skylake/acpi/hda.asl
new file mode 100644
index 0000000..2173661
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/hda.asl
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* Intel PCH HDA */
+
+// Intel High Definition Audio (Azalia) 0:1b.0
+
+Device (HDEF)
+{
+	Name (_ADR, 0x001b0000)
+	Name (_PRW, Package () { 0x6d, 3 })
+}
diff --git a/src/soc/intel/skylake/acpi/irqlinks.asl b/src/soc/intel/skylake/acpi/irqlinks.asl
new file mode 100644
index 0000000..ba550e2
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/irqlinks.asl
@@ -0,0 +1,492 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+Device (LNKA)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 1)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTA)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ (Level, ActiveLow, Shared)
+			{ 3, 4, 5, 6, 7, 10, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLA, ResourceTemplate()
+		{
+			IRQ (Level, ActiveLow, Shared) {}
+		})
+		CreateWordField (RTLA, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTA
+		ShiftLeft (1, And (PRTA, 0x0f), IRQ0)
+
+		Return (RTLA)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField (Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit (IRQ0, Local0)
+
+		Decrement(Local0)
+		Store (Local0, PRTA)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And (PRTA, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKB)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 2)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTB)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ (Level, ActiveLow, Shared)
+			{ 3, 4, 5, 6, 7, 11, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLB, ResourceTemplate()
+		{
+			IRQ (Level, ActiveLow, Shared) {}
+		})
+		CreateWordField (RTLB, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTB
+		ShiftLeft (1, And (PRTB, 0x0f), IRQ0)
+
+		Return (RTLB)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField (Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit (IRQ0, Local0)
+
+		Decrement(Local0)
+		Store (Local0, PRTB)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And (PRTB, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKC)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 3)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTC)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ (Level, ActiveLow, Shared)
+			{ 3, 4, 5, 6, 7, 10, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLC, ResourceTemplate()
+		{
+			IRQ (Level, ActiveLow, Shared) {}
+		})
+		CreateWordField (RTLC, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTC
+		ShiftLeft (1, And (PRTC, 0x0f), IRQ0)
+
+		Return (RTLC)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField (Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit (IRQ0, Local0)
+
+		Decrement(Local0)
+		Store (Local0, PRTC)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And (PRTC, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKD)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 4)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTD)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ (Level, ActiveLow, Shared)
+			{ 3, 4, 5, 6, 7, 11, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLD, ResourceTemplate()
+		{
+			IRQ (Level, ActiveLow, Shared) {}
+		})
+		CreateWordField (RTLD, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTD
+		ShiftLeft (1, And (PRTD, 0x0f), IRQ0)
+
+		Return (RTLD)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField (Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit (IRQ0, Local0)
+
+		Decrement(Local0)
+		Store (Local0, PRTD)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And (PRTD, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKE)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 5)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTE)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ (Level, ActiveLow, Shared)
+			{ 3, 4, 5, 6, 7, 10, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLE, ResourceTemplate()
+		{
+			IRQ (Level, ActiveLow, Shared) {}
+		})
+		CreateWordField (RTLE, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTE
+		ShiftLeft (1, And (PRTE, 0x0f), IRQ0)
+
+		Return (RTLE)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField (Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit (IRQ0, Local0)
+
+		Decrement(Local0)
+		Store (Local0, PRTE)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And (PRTE, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKF)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 6)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTF)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ (Level, ActiveLow, Shared)
+			{ 3, 4, 5, 6, 7, 11, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLF, ResourceTemplate()
+		{
+			IRQ (Level, ActiveLow, Shared) {}
+		})
+		CreateWordField (RTLF, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTF
+		ShiftLeft (1, And (PRTF, 0x0f), IRQ0)
+
+		Return (RTLF)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField (Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit (IRQ0, Local0)
+
+		Decrement(Local0)
+		Store (Local0, PRTF)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And (PRTF, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKG)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 7)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTG)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ (Level, ActiveLow, Shared)
+			{ 3, 4, 5, 6, 7, 10, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLG, ResourceTemplate()
+		{
+			IRQ (Level, ActiveLow, Shared) {}
+		})
+		CreateWordField (RTLG, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTG
+		ShiftLeft (1, And (PRTG, 0x0f), IRQ0)
+
+		Return (RTLG)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField (Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit (IRQ0, Local0)
+
+		Decrement(Local0)
+		Store (Local0, PRTG)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And (PRTG, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
+Device (LNKH)
+{
+	Name (_HID, EISAID("PNP0C0F"))
+	Name (_UID, 8)
+
+	// Disable method
+	Method (_DIS, 0, Serialized)
+	{
+		Store (0x80, PRTH)
+	}
+
+	// Possible Resource Settings for this Link
+	Name (_PRS, ResourceTemplate()
+	{
+		IRQ (Level, ActiveLow, Shared)
+			{ 3, 4, 5, 6, 7, 11, 12, 14, 15 }
+	})
+
+	// Current Resource Settings for this link
+	Method (_CRS, 0, Serialized)
+	{
+		Name (RTLH, ResourceTemplate()
+		{
+			IRQ (Level, ActiveLow, Shared) {}
+		})
+		CreateWordField (RTLH, 1, IRQ0)
+
+		// Clear the WordField
+		Store (Zero, IRQ0)
+
+		// Set the bit from PRTH
+		ShiftLeft (1, And (PRTH, 0x0f), IRQ0)
+
+		Return (RTLH)
+	}
+
+	// Set Resource Setting for this IRQ link
+	Method (_SRS, 1, Serialized)
+	{
+		CreateWordField (Arg0, 1, IRQ0)
+
+		// Which bit is set?
+		FindSetRightBit (IRQ0, Local0)
+
+		Decrement(Local0)
+		Store (Local0, PRTH)
+	}
+
+	// Status
+	Method (_STA, 0, Serialized)
+	{
+		If(And (PRTH, 0x80)) {
+			Return (0x9)
+		} Else {
+			Return (0xb)
+		}
+	}
+}
+
diff --git a/src/soc/intel/skylake/acpi/lpc.asl b/src/soc/intel/skylake/acpi/lpc.asl
new file mode 100644
index 0000000..2b574f7
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/lpc.asl
@@ -0,0 +1,208 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// Intel LPC Bus Device  - 0:1f.0
+
+Device (LPCB)
+{
+	Name (_ADR, 0x001f0000)
+
+	OperationRegion(LPC0, PCI_Config, 0x00, 0x100)
+	Field (LPC0, AnyAcc, NoLock, Preserve)
+	{
+		Offset (0x02),
+		PDID,	16,	// Device ID
+		Offset (0x40),
+		PMBS,	16,	// PMBASE
+		Offset (0x48),
+		GPBS,	16,	// GPIOBASE
+		Offset (0x60),	// Interrupt Routing Registers
+		PRTA,	8,
+		PRTB,	8,
+		PRTC,	8,
+		PRTD,	8,
+		Offset (0x68),
+		PRTE,	8,
+		PRTF,	8,
+		PRTG,	8,
+		PRTH,	8,
+
+		Offset (0x80),	// IO Decode Ranges
+		IOD0,	8,
+		IOD1,	8,
+	}
+
+	Device (DMAC)	// DMA Controller
+	{
+		Name (_HID, EISAID("PNP0200"))
+		Name (_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x00, 0x00, 0x01, 0x20)
+			IO (Decode16, 0x81, 0x81, 0x01, 0x11)
+			IO (Decode16, 0x93, 0x93, 0x01, 0x0d)
+			IO (Decode16, 0xc0, 0xc0, 0x01, 0x20)
+			DMA (Compatibility, NotBusMaster, Transfer8_16) { 4 }
+		})
+	}
+
+	Device (FWH)	// Firmware Hub
+	{
+		Name (_HID, EISAID("INT0800"))
+		Name (_CRS, ResourceTemplate()
+		{
+			Memory32Fixed(ReadOnly, 0xff000000, 0x01000000)
+		})
+	}
+
+	Device (HPET)
+	{
+		Name (_HID, EISAID("PNP0103"))
+		Name (_CID, 0x010CD041)
+
+		Name (BUF0, ResourceTemplate()
+		{
+			Memory32Fixed(ReadOnly, 0xfed00000, 0x400, FED0)
+		})
+
+		Method (_STA, 0)	// Device Status
+		{
+			If (HPTE) {
+				// Note: Ancient versions of Windows don't want
+				// to see the HPET in order to work right
+				If (LGreaterEqual(OSYS, 2001)) {
+					Return (0xf)	// Enable and show device
+				} Else {
+					Return (0xb)	// Enable and don't show device
+				}
+			}
+
+			Return (0x0)	// Not enabled, don't show.
+		}
+
+		Method (_CRS, 0, Serialized) // Current resources
+		{
+			If (HPTE) {
+				CreateDWordField (BUF0,
+					\_SB.PCI0.LPCB.HPET.FED0._BAS, HPT0)
+
+				If (Lequal(HPAS, 1)) {
+					Store(0xfed01000, HPT0)
+				}
+
+				If (Lequal(HPAS, 2)) {
+					Store(0xfed02000, HPT0)
+				}
+
+				If (Lequal(HPAS, 3)) {
+					Store(0xfed03000, HPT0)
+				}
+			}
+
+			Return (BUF0)
+		}
+	}
+
+	Device(PIC)	// 8259 Interrupt Controller
+	{
+		Name (_HID,EISAID("PNP0000"))
+		Name (_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x20, 0x20, 0x01, 0x02)
+			IO (Decode16, 0x24, 0x24, 0x01, 0x02)
+			IO (Decode16, 0x28, 0x28, 0x01, 0x02)
+			IO (Decode16, 0x2c, 0x2c, 0x01, 0x02)
+			IO (Decode16, 0x30, 0x30, 0x01, 0x02)
+			IO (Decode16, 0x34, 0x34, 0x01, 0x02)
+			IO (Decode16, 0x38, 0x38, 0x01, 0x02)
+			IO (Decode16, 0x3c, 0x3c, 0x01, 0x02)
+			IO (Decode16, 0xa0, 0xa0, 0x01, 0x02)
+			IO (Decode16, 0xa4, 0xa4, 0x01, 0x02)
+			IO (Decode16, 0xa8, 0xa8, 0x01, 0x02)
+			IO (Decode16, 0xac, 0xac, 0x01, 0x02)
+			IO (Decode16, 0xb0, 0xb0, 0x01, 0x02)
+			IO (Decode16, 0xb4, 0xb4, 0x01, 0x02)
+			IO (Decode16, 0xb8, 0xb8, 0x01, 0x02)
+			IO (Decode16, 0xbc, 0xbc, 0x01, 0x02)
+			IO (Decode16, 0x4d0, 0x4d0, 0x01, 0x02)
+			IRQNoFlags () { 2 }
+		})
+	}
+
+	Device(MATH)	// FPU
+	{
+		Name (_HID, EISAID("PNP0C04"))
+		Name (_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0xf0, 0xf0, 0x01, 0x01)
+			IRQNoFlags() { 13 }
+		})
+	}
+
+	Device(LDRC)	// LPC device: Resource consumption
+	{
+		Name (_HID, EISAID("PNP0C02"))
+		Name (_UID, 2)
+
+		Name (RBUF, ResourceTemplate()
+		{
+			IO (Decode16, 0x2e, 0x2e, 0x1, 0x02) // First SuperIO
+			IO (Decode16, 0x4e, 0x4e, 0x1, 0x02) // Second SuperIO
+			IO (Decode16, 0x61, 0x61, 0x1, 0x01) // NMI Status
+			IO (Decode16, 0x63, 0x63, 0x1, 0x01) // CPU Reserved
+			IO (Decode16, 0x65, 0x65, 0x1, 0x01) // CPU Reserved
+			IO (Decode16, 0x67, 0x67, 0x1, 0x01) // CPU Reserved
+			IO (Decode16, 0x80, 0x80, 0x1, 0x01) // Port 80 Post
+			IO (Decode16, 0x92, 0x92, 0x1, 0x01) // CPU Reserved
+			IO (Decode16, 0xb2, 0xb2, 0x1, 0x02) // SWSMI
+			IO (Decode16, ACPI_BASE_ADDRESS, ACPI_BASE_ADDRESS,
+			    0x1, 0xff)
+		})
+
+		Method (_CRS, 0, NotSerialized)
+		{
+			Return (RBUF)
+		}
+	}
+
+	Device (RTC)	// Real Time Clock
+	{
+		Name (_HID, EISAID("PNP0B00"))
+		Name (_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x70, 0x70, 1, 8)
+			//IRQNoFlags() { 8 }
+		})
+	}
+
+	Device (TIMR)	// Intel 8254 timer
+	{
+		Name (_HID, EISAID("PNP0100"))
+		Name (_CRS, ResourceTemplate() {
+			IO (Decode16, 0x40, 0x40, 0x01, 0x04)
+			IO (Decode16, 0x50, 0x50, 0x10, 0x04)
+			IRQNoFlags() {0}
+		})
+	}
+
+	#include "gpio.asl"
+	#include "irqlinks.asl"
+	#include <acpi/ec.asl>
+	#include <acpi/superio.asl>
+}
diff --git a/src/soc/intel/skylake/acpi/pch.asl b/src/soc/intel/skylake/acpi/pch.asl
new file mode 100644
index 0000000..998133d
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/pch.asl
@@ -0,0 +1,101 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <soc/iomap.h>
+
+Scope (\)
+{
+	// IO-Trap at 0x800. This is the ACPI->SMI communication interface.
+	OperationRegion (IO_T, SystemIO, 0x800, 0x10)
+	Field (IO_T, ByteAcc, NoLock, Preserve)
+	{
+		Offset (0x8),
+		TRP0, 8		// IO-Trap at 0x808
+	}
+
+	// Root Complex Register Block
+	OperationRegion (RCRB, SystemMemory, RCBA_BASE_ADDRESS, RCBA_BASE_SIZE)
+	Field (RCRB, DWordAcc, Lock, Preserve)
+	{
+		Offset (0x3404), // High Performance Timer Configuration
+		HPAS, 2, 	// Address Select
+		, 5,
+		HPTE, 1,	// Address Enable
+	}
+
+	/*
+	 * Check PCH type
+	 * Return 1 if PCH is WildcatPoint
+	 * Return 0 if PCH is LynxPoint
+	 */
+	Method (ISWP)
+	{
+		And (\_SB.PCI0.LPCB.PDID, 0xfff0, Local0)
+		If (LEqual (Local0, 0x9cc0)) {
+			Return (1)
+		} Else {
+			Return (0)
+		}
+	}
+}
+
+// High Definition Audio (Azalia) 0:1b.0
+#include "hda.asl"
+
+// ADSP/SST 0:13.0
+#include "adsp.asl"
+
+// PCI Express Ports 0:1c.x
+#include "pcie.asl"
+
+// USB EHCI 0:1d.0
+#include "ehci.asl"
+
+// USB XHCI 0:14.0
+#include "xhci.asl"
+
+// LPC Bridge 0:1f.0
+#include "lpc.asl"
+
+// SATA 0:1f.2
+#include "sata.asl"
+
+// SMBus 0:1f.3
+#include "smbus.asl"
+
+// Serial IO
+#include "serialio.asl"
+
+Method (_OSC, 4)
+{
+	/* Check for proper GUID */
+	If (LEqual (Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766")))
+	{
+		/* Let OS control everything */
+		Return (Arg3)
+	}
+	Else
+	{
+		/* Unrecognized UUID */
+		CreateDWordField (Arg3, 0, CDW1)
+		Or (CDW1, 4, CDW1)
+		Return (Arg3)
+	}
+}
diff --git a/src/soc/intel/skylake/acpi/pci_irqs.asl b/src/soc/intel/skylake/acpi/pci_irqs.asl
new file mode 100644
index 0000000..0c23e10
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/pci_irqs.asl
@@ -0,0 +1,89 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+Method(_PRT)
+{
+	If (PICM) {
+		Return (Package() {
+			// Onboard graphics (IGD)	0:2.0
+			Package() { 0x0002ffff, 0, 0, 16 },
+			// Mini-HD Audio		0:3.0
+			Package() { 0x0003ffff, 0, 0, 16 },
+			// High Definition Audio	0:1b.0
+			Package() { 0x001bffff, 0, 0, 22 },
+			// PCIe Root Ports		0:1c.x
+			Package() { 0x001cffff, 0, 0, 16 },
+			Package() { 0x001cffff, 1, 0, 17 },
+			Package() { 0x001cffff, 2, 0, 18 },
+			Package() { 0x001cffff, 3, 0, 19 },
+			// EHCI	  			0:1d.0
+			Package() { 0x001dffff, 0, 0, 19 },
+			// Audio DSP (Smart Sound)	0:13.0
+			Package() { 0x0013ffff, 0, 0, 23 },
+			// XHCI	  			0:14.0
+			Package() { 0x0014ffff, 0, 0, 18 },
+			// LPC devices			0:1f.0
+			Package() { 0x001fffff, 0, 0, 22 },
+			Package() { 0x001fffff, 1, 0, 18 },
+			Package() { 0x001fffff, 2, 0, 17 },
+			Package() { 0x001fffff, 3, 0, 16 },
+			// Serial IO                    0:15.0
+			Package() { 0x0015ffff, 0, 0, 20 },
+			Package() { 0x0015ffff, 1, 0, 21 },
+			Package() { 0x0015ffff, 2, 0, 21 },
+			Package() { 0x0015ffff, 3, 0, 21 },
+			// SDIO                         0:17.0
+			Package() { 0x0017ffff, 0, 0, 23 },
+		})
+	} Else {
+		Return (Package() {
+			// Onboard graphics (IGD)	0:2.0
+			Package() { 0x0002ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+			// Mini-HD Audio		0:3.0
+			Package() { 0x0003ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+			// High Definition Audio	0:1b.0
+			Package() { 0x001bffff, 0, \_SB.PCI0.LPCB.LNKG, 0 },
+			// PCIe Root Ports		0:1c.x
+			Package() { 0x001cffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+			Package() { 0x001cffff, 1, \_SB.PCI0.LPCB.LNKB, 0 },
+			Package() { 0x001cffff, 2, \_SB.PCI0.LPCB.LNKC, 0 },
+			Package() { 0x001cffff, 3, \_SB.PCI0.LPCB.LNKD, 0 },
+			// EHCI	  			0:1d.0
+			Package() { 0x001dffff, 0, \_SB.PCI0.LPCB.LNKD, 0 },
+			// Audio DSP (Smart Sound)	0:13.0
+			Package() { 0x0013ffff, 0, \_SB.PCI0.LPCB.LNKH, 0 },
+			// XHCI	  			0:14.0
+			Package() { 0x0014ffff, 0, \_SB.PCI0.LPCB.LNKC, 0 },
+			// LPC device			0:1f.0
+			Package() { 0x001fffff, 0, \_SB.PCI0.LPCB.LNKG, 0 },
+			Package() { 0x001fffff, 1, \_SB.PCI0.LPCB.LNKC, 0 },
+			Package() { 0x001fffff, 2, \_SB.PCI0.LPCB.LNKB, 0 },
+			Package() { 0x001fffff, 3, \_SB.PCI0.LPCB.LNKA, 0 },
+			// Serial IO                    0:15.0
+			Package() { 0x0015ffff, 0, \_SB.PCI0.LPCB.LNKE, 0 },
+			Package() { 0x0015ffff, 1, \_SB.PCI0.LPCB.LNKF, 0 },
+			Package() { 0x0015ffff, 2, \_SB.PCI0.LPCB.LNKF, 0 },
+			Package() { 0x0015ffff, 3, \_SB.PCI0.LPCB.LNKF, 0 },
+			// SDIO                         0:17.0
+			Package() { 0x0017ffff, 0, \_SB.PCI0.LPCB.LNKH, 0 },
+		})
+	}
+}
+
diff --git a/src/soc/intel/skylake/acpi/pcie.asl b/src/soc/intel/skylake/acpi/pcie.asl
new file mode 100644
index 0000000..a48bdde
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/pcie.asl
@@ -0,0 +1,214 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* Intel PCH PCIe support */
+
+Method (IRQM, 1, Serialized) {
+
+	/* Interrupt Map INTA->INTA, INTB->INTB, INTC->INTC, INTD->INTD */
+	Name (IQAA, Package() {
+		Package() { 0x0000ffff, 0, 0, 16 },
+		Package() { 0x0000ffff, 1, 0, 17 },
+		Package() { 0x0000ffff, 2, 0, 18 },
+		Package() { 0x0000ffff, 3, 0, 19 } })
+	Name (IQAP, Package() {
+		Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+		Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKB, 0 },
+		Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKC, 0 },
+		Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKD, 0 } })
+
+	/* Interrupt Map INTA->INTB, INTB->INTC, INTC->INTD, INTD->INTA */
+	Name (IQBA, Package() {
+		Package() { 0x0000ffff, 0, 0, 17 },
+		Package() { 0x0000ffff, 1, 0, 18 },
+		Package() { 0x0000ffff, 2, 0, 19 },
+		Package() { 0x0000ffff, 3, 0, 16 } })
+	Name (IQBP, Package() {
+		Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKB, 0 },
+		Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKC, 0 },
+		Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKD, 0 },
+		Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKA, 0 } })
+
+	/* Interrupt Map INTA->INTC, INTB->INTD, INTC->INTA, INTD->INTB */
+	Name (IQCA, Package() {
+		Package() { 0x0000ffff, 0, 0, 18 },
+		Package() { 0x0000ffff, 1, 0, 19 },
+		Package() { 0x0000ffff, 2, 0, 16 },
+		Package() { 0x0000ffff, 3, 0, 17 } })
+	Name (IQCP, Package() {
+		Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKC, 0 },
+		Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKD, 0 },
+		Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKA, 0 },
+		Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKB, 0 } })
+
+	/* Interrupt Map INTA->INTD, INTB->INTA, INTC->INTB, INTD->INTC */
+	Name (IQDA, Package() {
+		Package() { 0x0000ffff, 0, 0, 19 },
+		Package() { 0x0000ffff, 1, 0, 16 },
+		Package() { 0x0000ffff, 2, 0, 17 },
+		Package() { 0x0000ffff, 3, 0, 18 } })
+	Name (IQDP, Package() {
+		Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKD, 0 },
+		Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKA, 0 },
+		Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKB, 0 },
+		Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKC, 0 } })
+
+	Switch (ToInteger (Arg0)) {
+		/* PCIe Root Port 1 and 5 */
+		Case (Package() { 1, 5 }) {
+			If (PICM) {
+				Return (IQAA)
+			} Else {
+				Return (IQAP)
+			}
+		}
+
+		/* PCIe Root Port 2 and 6 */
+		Case (Package() { 2, 6 }) {
+			If (PICM) {
+				Return (IQBA)
+			} Else {
+				Return (IQBP)
+			}
+		}
+
+		/* PCIe Root Port 3 and 7 */
+		Case (Package() { 3, 7 }) {
+			If (PICM) {
+				Return (IQCA)
+			} Else {
+				Return (IQCP)
+			}
+		}
+
+		/* PCIe Root Port 4 and 8 */
+		Case (Package() { 4, 8 }) {
+			If (PICM) {
+				Return (IQDA)
+			} Else {
+				Return (IQDP)
+			}
+		}
+
+		Default {
+			If (PICM) {
+				Return (IQDA)
+			} Else {
+				Return (IQDP)
+			}
+		}
+	}
+}
+
+Device (RP01)
+{
+	Name (_ADR, 0x001c0000)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}
+
+Device (RP02)
+{
+	Name (_ADR, 0x001c0001)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}
+
+Device (RP03)
+{
+	Name (_ADR, 0x001c0002)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}
+
+Device (RP04)
+{
+	Name (_ADR, 0x001c0003)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}
+
+Device (RP05)
+{
+	Name (_ADR, 0x001c0004)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}
+
+Device (RP06)
+{
+	Name (_ADR, 0x001c0005)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}
+
+Device (RP07)
+{
+	Name (_ADR, 0x001c0006)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}
+
+Device (RP08)
+{
+	Name (_ADR, 0x001c0007)
+
+	#include "pcie_port.asl"
+
+	Method (_PRT)
+	{
+		Return (IRQM (RPPN))
+	}
+}
diff --git a/src/soc/intel/skylake/acpi/pcie_port.asl b/src/soc/intel/skylake/acpi/pcie_port.asl
new file mode 100644
index 0000000..3226746
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/pcie_port.asl
@@ -0,0 +1,28 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* Included in each PCIe Root Port device */
+
+OperationRegion (RPCS, PCI_Config, 0x00, 0xFF)
+Field (RPCS, AnyAcc, NoLock, Preserve)
+{
+	Offset (0x4c),	// Link Capabilities
+	, 24,
+	RPPN, 8,	// Root Port Number
+}
diff --git a/src/soc/intel/skylake/acpi/platform.asl b/src/soc/intel/skylake/acpi/platform.asl
new file mode 100644
index 0000000..f63168a
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/platform.asl
@@ -0,0 +1,91 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* The APM port can be used for generating software SMIs */
+
+OperationRegion (APMP, SystemIO, 0xb2, 2)
+Field (APMP, ByteAcc, NoLock, Preserve)
+{
+	APMC, 8,	// APM command
+	APMS, 8		// APM status
+}
+
+/* Port 80 POST */
+
+OperationRegion (POST, SystemIO, 0x80, 1)
+Field (POST, ByteAcc, Lock, Preserve)
+{
+	DBG0, 8
+}
+
+/* SMI I/O Trap */
+Method (TRAP, 1, Serialized)
+{
+	Store (Arg0, SMIF)	// SMI Function
+	Store (0, TRP0)		// Generate trap
+	Return (SMIF)		// Return value of SMI handler
+}
+
+/* The _PIC method is called by the OS to choose between interrupt
+ * routing via the i8259 interrupt controller or the APIC.
+ *
+ * _PIC is called with a parameter of 0 for i8259 configuration and
+ * with a parameter of 1 for Local Apic/IOAPIC configuration.
+ */
+
+Method (_PIC, 1)
+{
+	/* Remember the OS' IRQ routing choice. */
+	Store (Arg0, PICM)
+}
+
+/*
+ * The _PTS method (Prepare To Sleep) is called before the OS is
+ * entering a sleep state. The sleep state number is passed in Arg0
+ */
+
+Method (_PTS, 1)
+{
+}
+
+/* The _WAK method is called on system wakeup */
+
+Method (_WAK, 1)
+{
+	Return (Package (){ 0, 0 })
+}
+
+Scope (\_SB)
+{
+	Method (_SWS)
+	{
+		/* Index into PM1 for device that caused wake */
+		Return (\PM1I)
+	}
+}
+
+Scope (\_GPE)
+{
+	Method (_SWS)
+	{
+		/* Index into GPE for device that caused wake */
+		Return (\GPEI)
+	}
+}
diff --git a/src/soc/intel/skylake/acpi/sata.asl b/src/soc/intel/skylake/acpi/sata.asl
new file mode 100644
index 0000000..0af2a3f
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/sata.asl
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// Intel SATA Controller 0:1f.2
+Device (SATA)
+{
+	Name (_ADR, 0x001f0002)
+}
diff --git a/src/soc/intel/skylake/acpi/serialio.asl b/src/soc/intel/skylake/acpi/serialio.asl
new file mode 100644
index 0000000..7ffc671
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/serialio.asl
@@ -0,0 +1,627 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// Intel Serial IO Devices in ACPI Mode
+
+// Serial IO Device BAR0 and BAR1 is 4KB
+#define SIO_BAR_LEN 0x1000
+
+// Put SerialIO device in D0 state
+// Arg0 - BAR1 of device
+// Arg1 - Set if device is in ACPI mode
+Method (LPD0, 2, Serialized)
+{
+	// PCI mode devices will be handled by OS PCI bus driver
+	If (LEqual (Arg1, 0)) {
+		Return
+	}
+
+	OperationRegion (SPRT, SystemMemory, Add (Arg0, 0x84), 4)
+	Field (SPRT, DWordAcc, NoLock, Preserve)
+	{
+		SPCS, 32
+	}
+
+	And (SPCS, 0xFFFFFFFC, SPCS)
+	Store (SPCS, Local0) // Read back after writing
+}
+
+// Put SerialIO device in D3 state
+// Arg0 - BAR1 of device
+// Arg1 - Set if device is in ACPI mode
+Method (LPD3, 2, Serialized)
+{
+	// PCI mode devices will be handled by OS PCI bus driver
+	If (LEqual (Arg1, 0)) {
+		Return
+	}
+
+	OperationRegion (SPRT, SystemMemory, Add (Arg0, 0x84), 4)
+	Field (SPRT, DWordAcc, NoLock, Preserve)
+	{
+		SPCS, 32
+	}
+
+	Or (SPCS, 0x3, SPCS)
+	Store (SPCS, Local0) // Read back after writing
+}
+
+// Serial IO Resource Consumption for BAR1
+Device (SIOR)
+{
+	Name (_HID, EISAID("PNP0C02"))
+	Name (_UID, 4)
+
+	Name (RBUF, ResourceTemplate()
+	{
+		// Serial IO BAR1 (PCI config space) resources
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D0) // SDMA
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D1) // I2C0
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D2) // I2C1
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D3) // SPI0
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D4) // SPI1
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D5) // UART0
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D6) // UART1
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, B1D7) // SDIO
+	})
+
+	// Update BAR1 address and length if set in NVS
+	Method (_CRS, 0, NotSerialized)
+	{
+		// SDMA
+		If (LNotEqual (\S0B1, Zero)) {
+			CreateDwordField (^RBUF, ^B1D0._BAS, B0AD)
+			CreateDwordField (^RBUF, ^B1D0._LEN, B0LN)
+			Store (\S0B1, B0AD)
+			Store (SIO_BAR_LEN, B0LN)
+		}
+
+		// I2C0
+		If (LNotEqual (\S1B1, Zero)) {
+			CreateDwordField (^RBUF, ^B1D1._BAS, B1AD)
+			CreateDwordField (^RBUF, ^B1D1._LEN, B1LN)
+			Store (\S1B1, B1AD)
+			Store (SIO_BAR_LEN, B1LN)
+		}
+
+		// I2C1
+		If (LNotEqual (\S2B1, Zero)) {
+			CreateDwordField (^RBUF, ^B1D2._BAS, B2AD)
+			CreateDwordField (^RBUF, ^B1D2._LEN, B2LN)
+			Store (\S2B1, B2AD)
+			Store (SIO_BAR_LEN, B2LN)
+		}
+
+		// SPI0
+		If (LNotEqual (\S3B1, Zero)) {
+			CreateDwordField (^RBUF, ^B1D3._BAS, B3AD)
+			CreateDwordField (^RBUF, ^B1D3._LEN, B3LN)
+			Store (\S3B1, B3AD)
+			Store (SIO_BAR_LEN, B3LN)
+		}
+
+		// SPI1
+		If (LNotEqual (\S4B1, Zero)) {
+			CreateDwordField (^RBUF, ^B1D4._BAS, B4AD)
+			CreateDwordField (^RBUF, ^B1D4._LEN, B4LN)
+			Store (\S4B1, B4AD)
+			Store (SIO_BAR_LEN, B4LN)
+		}
+
+		// UART0
+		If (LNotEqual (\S5B1, Zero)) {
+			CreateDwordField (^RBUF, ^B1D5._BAS, B5AD)
+			CreateDwordField (^RBUF, ^B1D5._LEN, B5LN)
+			Store (\S5B1, B5AD)
+			Store (SIO_BAR_LEN, B5LN)
+		}
+
+		// UART1
+		If (LNotEqual (\S6B1, Zero)) {
+			CreateDwordField (^RBUF, ^B1D6._BAS, B6AD)
+			CreateDwordField (^RBUF, ^B1D6._LEN, B6LN)
+			Store (\S6B1, B6AD)
+			Store (SIO_BAR_LEN, B6LN)
+		}
+
+		// SDIO
+		If (LNotEqual (\S7B1, Zero)) {
+			CreateDwordField (^RBUF, ^B1D7._BAS, B7AD)
+			CreateDwordField (^RBUF, ^B1D7._LEN, B7LN)
+			Store (\S7B1, B7AD)
+			Store (SIO_BAR_LEN, B7LN)
+		}
+
+		Return (RBUF)
+	}
+}
+
+Device (SDMA)
+{
+	// Serial IO DMA Controller
+	Name (_HID, "INTL9C60")
+	Name (_UID, 1)
+	Name (_ADR, 0x00150000)
+
+	// BAR0 is assigned during PCI enumeration and saved into NVS
+	Name (RBUF, ResourceTemplate ()
+	{
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
+		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
+	})
+
+	Method (_CRS, 0, NotSerialized)
+	{
+		// Update BAR0 address and length if set in NVS
+		If (LNotEqual (\S0B0, Zero)) {
+			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
+			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
+			Store (\S0B0, B0AD)
+			Store (SIO_BAR_LEN, B0LN)
+		}
+
+		Return (RBUF)
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		If (LEqual (\S0EN, 0)) {
+			Return (0x0)
+		} Else {
+			Return (0xF)
+		}
+	}
+}
+
+Device (I2C0)
+{
+	// Serial IO I2C0 Controller
+	Method (_HID)
+	{
+		If (\ISWP ()) {
+			// WildcatPoint
+			Return ("INT3432")
+		}
+
+		// LynxPoint-LP
+		Return ("INT33C2")
+	}
+	Name (_UID, 1)
+	Name (_ADR, 0x00150001)
+
+	Name (SSCN, Package () { 432, 507, 30 })
+	Name (FMCN, Package () { 72, 160, 30 })
+
+	// BAR0 is assigned during PCI enumeration and saved into NVS
+	Name (RBUF, ResourceTemplate ()
+	{
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
+		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
+	})
+
+	// DMA channels are only used if Serial IO DMA controller is enabled
+	Name (DBUF, ResourceTemplate ()
+	{
+		FixedDMA (0x18, 4, Width32Bit, DMA1) // Tx
+		FixedDMA (0x19, 5, Width32Bit, DMA2) // Rx
+	})
+
+	Method (_CRS, 0, NotSerialized)
+	{
+		// Update BAR0 address and length if set in NVS
+		If (LNotEqual (\S1B0, Zero)) {
+			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
+			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
+			Store (\S1B0, B0AD)
+			Store (SIO_BAR_LEN, B0LN)
+		}
+
+		// Check if Serial IO DMA Controller is enabled
+		If (LNotEqual (\_SB.PCI0.SDMA._STA, Zero)) {
+			Return (ConcatenateResTemplate (RBUF, DBUF))
+		} Else {
+			Return (RBUF)
+		}
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		If (LEqual (\S1EN, 0)) {
+			Return (0x0)
+		} Else {
+			Return (0xF)
+		}
+	}
+
+	Method (_PS0, 0, Serialized)
+	{
+		^^LPD0 (\S1B1, \S1EN)
+	}
+
+	Method (_PS3, 0, Serialized)
+	{
+		^^LPD3 (\S1B1, \S1EN)
+	}
+}
+
+Device (I2C1)
+{
+	// Serial IO I2C1 Controller
+	Method (_HID)
+	{
+		If (\ISWP ()) {
+			// WildcatPoint
+			Return ("INT3433")
+		}
+
+		// LynxPoint-LP
+		Return ("INT33C3")
+	}
+	Name (_UID, 1)
+	Name (_ADR, 0x00150002)
+
+	Name (SSCN, Package () { 432, 507, 30 })
+	Name (FMCN, Package () { 72, 160, 30 })
+
+	// BAR0 is assigned during PCI enumeration and saved into NVS
+	Name (RBUF, ResourceTemplate ()
+	{
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
+		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
+	})
+
+	// DMA channels are only used if Serial IO DMA controller is enabled
+	Name (DBUF, ResourceTemplate ()
+	{
+		FixedDMA (0x1A, 6, Width32Bit, DMA1) // Tx
+		FixedDMA (0x1B, 7, Width32Bit, DMA2) // Rx
+	})
+
+	Method (_CRS, 0, NotSerialized)
+	{
+		// Update BAR0 address and length if set in NVS
+		If (LNotEqual (\S2B0, Zero)) {
+			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
+			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
+			Store (\S2B0, B0AD)
+			Store (SIO_BAR_LEN, B0LN)
+		}
+
+		// Check if Serial IO DMA Controller is enabled
+		If (LNotEqual (\_SB.PCI0.SDMA._STA, Zero)) {
+			Return (ConcatenateResTemplate (RBUF, DBUF))
+		} Else {
+			Return (RBUF)
+		}
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		If (LEqual (\S2EN, 0)) {
+			Return (0x0)
+		} Else {
+			Return (0xF)
+		}
+	}
+
+	Method (_PS0, 0, Serialized)
+	{
+		^^LPD0 (\S2B1, \S2EN)
+	}
+
+	Method (_PS3, 0, Serialized)
+	{
+		^^LPD3 (\S2B1, \S2EN)
+	}
+}
+
+Device (SPI0)
+{
+	// Serial IO SPI0 Controller
+	Method (_HID)
+	{
+		If (\ISWP ()) {
+			// WildcatPoint
+			Return ("INT3430")
+		}
+
+		// LynxPoint-LP
+		Return ("INT33C0")
+	}
+	Name (_UID, 1)
+	Name (_ADR, 0x00150003)
+
+	// BAR0 is assigned during PCI enumeration and saved into NVS
+	Name (RBUF, ResourceTemplate ()
+	{
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
+		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
+	})
+
+	Method (_CRS, 0, NotSerialized)
+	{
+		// Update BAR0 address and length if set in NVS
+		If (LNotEqual (\S3B0, Zero)) {
+			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
+			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
+			Store (\S3B0, B0AD)
+			Store (SIO_BAR_LEN, B0LN)
+		}
+
+		Return (RBUF)
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		If (LEqual (\S3EN, 0)) {
+			Return (0x0)
+		} Else {
+			Return (0xF)
+		}
+	}
+
+	Method (_PS0, 0, Serialized)
+	{
+		^^LPD0 (\S3B1, \S3EN)
+	}
+
+	Method (_PS3, 0, Serialized)
+	{
+		^^LPD3 (\S3B1, \S3EN)
+	}
+}
+
+Device (SPI1)
+{
+	// Serial IO SPI1 Controller
+	Method (_HID)
+	{
+		If (\ISWP ()) {
+			// WildcatPoint
+			Return ("INT3431")
+		}
+
+		// LynxPoint-LP
+		Return ("INT33C1")
+	}
+	Name (_UID, 1)
+	Name (_ADR, 0x00150004)
+
+	// BAR0 is assigned during PCI enumeration and saved into NVS
+	Name (RBUF, ResourceTemplate ()
+	{
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
+		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {7}
+	})
+
+	// DMA channels are only used if Serial IO DMA controller is enabled
+	Name (DBUF, ResourceTemplate ()
+	{
+		FixedDMA (0x10, 0, Width32Bit, DMA1) // Tx
+		FixedDMA (0x11, 1, Width32Bit, DMA2) // Rx
+	})
+
+	Method (_CRS, 0, NotSerialized)
+	{
+		// Update BAR0 address and length if set in NVS
+		If (LNotEqual (\S4B0, Zero)) {
+			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
+			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
+			Store (\S4B0, B0AD)
+			Store (SIO_BAR_LEN, B0LN)
+		}
+
+		// Check if Serial IO DMA Controller is enabled
+		If (LNotEqual (\_SB.PCI0.SDMA._STA, Zero)) {
+			Return (ConcatenateResTemplate (RBUF, DBUF))
+		} Else {
+			Return (RBUF)
+		}
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		If (LEqual (\S4EN, 0)) {
+			Return (0x0)
+		} Else {
+			Return (0xF)
+		}
+	}
+
+	Method (_PS0, 0, Serialized)
+	{
+		^^LPD0 (\S4B1, \S4EN)
+	}
+
+	Method (_PS3, 0, Serialized)
+	{
+		^^LPD3 (\S4B1, \S4EN)
+	}
+}
+
+Device (UAR0)
+{
+	// Serial IO UART0 Controller
+	Method (_HID)
+	{
+		If (\ISWP ()) {
+			// WildcatPoint
+			Return ("INT3434")
+		}
+
+		// LynxPoint-LP
+		Return ("INT33C4")
+	}
+	Name (_UID, 1)
+	Name (_ADR, 0x00150005)
+
+	// BAR0 is assigned during PCI enumeration and saved into NVS
+	Name (RBUF, ResourceTemplate ()
+	{
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
+		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {13}
+	})
+
+	// DMA channels are only used if Serial IO DMA controller is enabled
+	Name (DBUF, ResourceTemplate ()
+	{
+		FixedDMA (0x16, 2, Width32Bit, DMA1) // Tx
+		FixedDMA (0x17, 3, Width32Bit, DMA2) // Rx
+	})
+
+	Method (_CRS, 0, NotSerialized)
+	{
+		// Update BAR0 address and length if set in NVS
+		If (LNotEqual (\S5B0, Zero)) {
+			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
+			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
+			Store (\S5B0, B0AD)
+			Store (SIO_BAR_LEN, B0LN)
+		}
+
+		// Check if Serial IO DMA Controller is enabled
+		If (LNotEqual (\_SB.PCI0.SDMA._STA, Zero)) {
+			Return (ConcatenateResTemplate (RBUF, DBUF))
+		} Else {
+			Return (RBUF)
+		}
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		If (LEqual (\S5EN, 0)) {
+			Return (0x0)
+		} Else {
+			Return (0xF)
+		}
+	}
+
+	Method (_PS0, 0, Serialized)
+	{
+		^^LPD0 (\S5B1, \S5EN)
+	}
+
+	Method (_PS3, 0, Serialized)
+	{
+		^^LPD3 (\S5B1, \S5EN)
+	}
+}
+
+Device (UAR1)
+{
+	// Serial IO UART1 Controller
+	Method (_HID)
+	{
+		If (\ISWP ()) {
+			// WildcatPoint
+			Return ("INT3435")
+		}
+
+		// LynxPoint-LP
+		Return ("INT33C5")
+	}
+	Name (_UID, 1)
+	Name (_ADR, 0x00150006)
+
+	// BAR0 is assigned during PCI enumeration and saved into NVS
+	Name (RBUF, ResourceTemplate ()
+	{
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
+		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {13}
+	})
+
+	Method (_CRS, 0, NotSerialized)
+	{
+		// Update BAR0 address and length if set in NVS
+		If (LNotEqual (\S6B0, Zero)) {
+			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
+			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
+			Store (\S6B0, B0AD)
+			Store (SIO_BAR_LEN, B0LN)
+		}
+
+		Return (RBUF)
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		If (LEqual (\S6EN, 0)) {
+			Return (0x0)
+		} Else {
+			Return (0xF)
+		}
+	}
+
+	Method (_PS0, 0, Serialized)
+	{
+		^^LPD0 (\S6B1, \S6EN)
+	}
+
+	Method (_PS3, 0, Serialized)
+	{
+		^^LPD3 (\S6B1, \S6EN)
+	}
+}
+
+Device (SDIO)
+{
+	// Serial IO SDIO Controller
+	Method (_HID)
+	{
+		If (\ISWP ()) {
+			// WildcatPoint
+			Return ("INT3436")
+		}
+
+		// LynxPoint-LP
+		Return ("INT33C6")
+	}
+	Name (_CID, "PNP0D40")
+	Name (_UID, 1)
+	Name (_ADR, 0x00170000)
+
+	// BAR0 is assigned during PCI enumeration and saved into NVS
+	Name (RBUF, ResourceTemplate ()
+	{
+		Memory32Fixed (ReadWrite, 0x00000000, 0x00000000, BAR0)
+		Interrupt (ResourceConsumer, Level, ActiveLow, Shared, , , ) {5}
+	})
+
+	Method (_CRS, 0, NotSerialized)
+	{
+		// Update BAR0 address and length if set in NVS
+		If (LNotEqual (\S7B0, Zero)) {
+			CreateDwordField (^RBUF, ^BAR0._BAS, B0AD)
+			CreateDwordField (^RBUF, ^BAR0._LEN, B0LN)
+			Store (\S7B0, B0AD)
+			Store (SIO_BAR_LEN, B0LN)
+		}
+
+		Return (RBUF)
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		If (LEqual (\S7EN, 0)) {
+			Return (0x0)
+		} Else {
+			Return (0xF)
+		}
+	}
+}
diff --git a/src/soc/intel/skylake/acpi/sleepstates.asl b/src/soc/intel/skylake/acpi/sleepstates.asl
new file mode 100644
index 0000000..6fea862
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/sleepstates.asl
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+Name (\_S0, Package () { 0x0, 0x0, 0x0, 0x0 })
+Name (\_S1, Package () { 0x1, 0x1, 0x0, 0x0 })
+Name (\_S2, Package () { 0x1, 0x1, 0x0, 0x0 })
+Name (\_S3, Package () { 0x5, 0x5, 0x0, 0x0 })
+Name (\_S4, Package () { 0x6, 0x6, 0x0, 0x0 })
+Name (\_S5, Package () { 0x7, 0x7, 0x0, 0x0 })
diff --git a/src/soc/intel/skylake/acpi/smbus.asl b/src/soc/intel/skylake/acpi/smbus.asl
new file mode 100644
index 0000000..15bcfde
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/smbus.asl
@@ -0,0 +1,241 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// Intel SMBus Controller 0:1f.3
+
+Device (SBUS)
+{
+	Name (_ADR, 0x001f0003)
+
+#ifdef ENABLE_SMBUS_METHODS
+	OperationRegion (SMBP, PCI_Config, 0x00, 0x100)
+	Field(SMBP, DWordAcc, NoLock, Preserve)
+	{
+		Offset(0x40),
+		,	2,
+		I2CE,	1
+	}
+
+	OperationRegion (SMBI, SystemIO, SMBUS_IO_BASE, 0x20)
+	Field (SMBI, ByteAcc, NoLock, Preserve)
+	{
+		HSTS,	8,	// Host Status
+		,	8,
+		HCNT,	8,	// Host Control
+		HCMD,	8,	// Host Command
+		TXSA,	8,	// Transmit Slave Address
+		DAT0,	8,	// Host Data 0
+		DAT1,	8,	// Host Data 1
+		HBDB,	8,	// Host Block Data Byte
+		PECK,	8,	// Packet Error Check
+		RXSA,	8,	// Receive Slave Address
+		RXDA,	16,	// Receive Slave Data
+		AUXS,	8,	// Auxiliary Status
+		AUXC,	8,	// Auxiliary Control
+		SLPC,	8,	// SMLink Pin Control
+		SBPC,	8,	// SMBus Pin Control
+		SSTS,	8,	// Slave Status
+		SCMD,	8,	// Slave Command
+		NADR,	8,	// Notify Device Address
+		NDLB,	8,	// Notify Data Low Byte
+		NDLH,	8,	// Notify Data High Byte
+	}
+
+	// Kill all SMBus communication
+	Method (KILL, 0, Serialized)
+	{
+		Or (HCNT, 0x02, HCNT)	// Send Kill
+		Or (HSTS, 0xff, HSTS)	// Clean Status
+	}
+
+	// Check if last operation completed
+	// return	Failure = 0, Success = 1
+	Method (CMPL, 0, Serialized)
+	{
+		Store (4000, Local0)		// Timeout 200ms in 50us steps
+		While (Local0) {
+			If (And(HSTS, 0x02)) {	// Completion Status?
+				Return (1)	// Operation Completed
+			} Else {
+				Stall (50)
+				Decrement (Local0)
+				If (LEqual(Local0, 0)) {
+					KILL()
+				}
+			}
+		}
+
+		Return (0)		//  Failure
+	}
+
+
+	// Wait for SMBus to become ready
+	Method (SRDY, 0, Serialized)
+	{
+		Store (200, Local0)	// Timeout 200ms
+		While (Local0) {
+			If (And(HSTS, 0x40)) {		// IN_USE?
+				Sleep(1)		// Wait 1ms
+				Decrement(Local0)	// timeout--
+				If (LEqual(Local0, 0)) {
+					Return (1)
+				}
+			} Else {
+				Store (0, Local0)	// We're ready
+			}
+		}
+
+		Store (4000, Local0)	// Timeout 200ms (50us * 4000)
+		While (Local0) {
+			If (And (HSTS, 0x01)) {		// Host Busy?
+				Stall(50)		// Wait 50us
+				Decrement(Local0)	// timeout--
+				If (LEqual(Local0, 0)) {
+					KILL()
+				}
+			} Else {
+				Return (0)		// Success
+			}
+		}
+
+		Return (1)		// Failure
+	}
+
+	// SMBus Send Byte
+	// Arg0:	Address
+	// Arg1:	Data
+	// Return:	1 = Success, 0=Failure
+
+	Method (SSXB, 2, Serialized)
+	{
+
+		// Is the SMBus Controller Ready?
+		If (SRDY()) {
+			Return (0)
+		}
+
+		// Send Byte
+		Store (0, I2CE)		// SMBus Enable
+		Store (0xbf, HSTS)
+		Store (Arg0, TXSA)	// Write Address
+		Store (Arg1, HCMD)	// Write Data
+
+		Store (0x48, HCNT)	// Start + Byte Data Protocol
+
+		If (CMPL()) {
+			Or (HSTS, 0xff, HSTS)	// Clean up
+			Return (1)		// Success
+		}
+
+		Return (0)
+	}
+
+
+	// SMBus Receive Byte
+	// Arg0:	Address
+	// Return:	0xffff = Failure, Data (8bit) = Success
+
+	Method (SRXB, 2, Serialized)
+	{
+
+		// Is the SMBus Controller Ready?
+		If (SRDY()) {
+			Return (0xffff)
+		}
+
+		// Receive Byte
+		Store (0, I2CE)		// SMBus Enable
+		Store (0xbf, HSTS)
+		Store (Or (Arg0, 1), TXSA)	// Write Address
+
+		Store (0x44, HCNT)	// Start
+
+		If (CMPL()) {
+			Or (HSTS, 0xff, HSTS)	// Clean up
+			Return (DAT0)		// Success
+		}
+
+		Return (0xffff)
+	}
+
+
+	// SMBus Write Byte
+	// Arg0:	Address
+	// Arg1:	Command
+	// Arg2:	Data
+	// Return:	1 = Success, 0=Failure
+
+	Method (SWRB, 3, Serialized)
+	{
+
+		// Is the SMBus Controller Ready?
+		If (SRDY()) {
+			Return (0)
+		}
+
+		// Send Byte
+		Store (0, I2CE)		// SMBus Enable
+		Store (0xbf, HSTS)
+		Store (Arg0, TXSA)	// Write Address
+		Store (Arg1, HCMD)	// Write Command
+		Store (Arg2, DAT0)	// Write Data
+
+		Store (0x48, HCNT)	// Start + Byte Protocol
+
+		If (CMPL()) {
+			Or (HSTS, 0xff, HSTS)	// Clean up
+			Return (1)		// Success
+		}
+
+		Return (0)
+	}
+
+
+	// SMBus Read Byte
+	// Arg0:	Address
+	// Arg1:	Command
+	// Return:	0xffff = Failure, Data (8bit) = Success
+
+	Method (SRDB, 2, Serialized)
+	{
+
+		// Is the SMBus Controller Ready?
+		If (SRDY()) {
+			Return (0xffff)
+		}
+
+		// Receive Byte
+		Store (0, I2CE)			// SMBus Enable
+		Store (0xbf, HSTS)
+		Store (Or (Arg0, 1), TXSA)	// Write Address
+		Store (Arg1, HCMD)		// Command
+
+		Store (0x48, HCNT)		// Start
+
+		If (CMPL()) {
+			Or (HSTS, 0xff, HSTS)	// Clean up
+			Return (DAT0)		// Success
+		}
+
+		Return (0xffff)
+	}
+#endif
+}
+
diff --git a/src/soc/intel/skylake/acpi/systemagent.asl b/src/soc/intel/skylake/acpi/systemagent.asl
new file mode 100644
index 0000000..c2049ea
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/systemagent.asl
@@ -0,0 +1,213 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <soc/iomap.h>
+
+Name (_HID, EISAID ("PNP0A08"))	// PCIe
+Name (_CID, EISAID ("PNP0A03"))	// PCI
+
+Name (_ADR, 0)
+Name (_BBN, 0)
+
+Device (MCHC)
+{
+	Name (_ADR, 0x00000000)	// 0:0.0
+
+	OperationRegion (MCHP, PCI_Config, 0x00, 0x100)
+	Field (MCHP, DWordAcc, NoLock, Preserve)
+	{
+		Offset (0x70),	// ME Base Address
+		MEBA,	 64,
+		Offset (0xa0),	// Top of Used Memory
+		TOM,	 64,
+		Offset (0xbc),	// Top of Low Used Memory
+		TLUD,	 32,
+	}
+}
+
+// Current Resource Settings
+
+Method (_CRS, 0, Serialized)
+{
+	Name (MCRS, ResourceTemplate()
+	{
+		// Bus Numbers
+		WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
+				0x0000, 0x0000, 0x00ff, 0x0000, 0x0100,,, PB00)
+
+		// IO Region 0
+		DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+				0x0000, 0x0000, 0x0cf7, 0x0000, 0x0cf8,,, PI00)
+
+		// PCI Config Space
+		Io (Decode16, 0x0cf8, 0x0cf8, 0x0001, 0x0008)
+
+		// IO Region 1
+		DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+				0x0000, 0x0d00, 0xffff, 0x0000, 0xf300,,, PI01)
+
+		// VGA memory (0xa0000-0xbffff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000a0000, 0x000bffff, 0x00000000,
+				0x00020000,,, ASEG)
+
+		// OPROM reserved (0xc0000-0xc3fff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000c0000, 0x000c3fff, 0x00000000,
+				0x00004000,,, OPR0)
+
+		// OPROM reserved (0xc4000-0xc7fff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000c4000, 0x000c7fff, 0x00000000,
+				0x00004000,,, OPR1)
+
+		// OPROM reserved (0xc8000-0xcbfff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000c8000, 0x000cbfff, 0x00000000,
+				0x00004000,,, OPR2)
+
+		// OPROM reserved (0xcc000-0xcffff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000cc000, 0x000cffff, 0x00000000,
+				0x00004000,,, OPR3)
+
+		// OPROM reserved (0xd0000-0xd3fff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000d0000, 0x000d3fff, 0x00000000,
+				0x00004000,,, OPR4)
+
+		// OPROM reserved (0xd4000-0xd7fff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000d4000, 0x000d7fff, 0x00000000,
+				0x00004000,,, OPR5)
+
+		// OPROM reserved (0xd8000-0xdbfff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000d8000, 0x000dbfff, 0x00000000,
+				0x00004000,,, OPR6)
+
+		// OPROM reserved (0xdc000-0xdffff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000dc000, 0x000dffff, 0x00000000,
+				0x00004000,,, OPR7)
+
+		// BIOS Extension (0xe0000-0xe3fff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000e0000, 0x000e3fff, 0x00000000,
+				0x00004000,,, ESG0)
+
+		// BIOS Extension (0xe4000-0xe7fff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000e4000, 0x000e7fff, 0x00000000,
+				0x00004000,,, ESG1)
+
+		// BIOS Extension (0xe8000-0xebfff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000e8000, 0x000ebfff, 0x00000000,
+				0x00004000,,, ESG2)
+
+		// BIOS Extension (0xec000-0xeffff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000ec000, 0x000effff, 0x00000000,
+				0x00004000,,, ESG3)
+
+		// System BIOS (0xf0000-0xfffff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x000f0000, 0x000fffff, 0x00000000,
+				0x00010000,,, FSEG)
+
+		// PCI Memory Region (Top of memory-CONFIG_MMCONF_BASE_ADDRESS)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0x00000000, 0x00000000, 0x00000000,
+				0x00000000,,, PM01)
+
+		// TPM Area (0xfed40000-0xfed44fff)
+		DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+				Cacheable, ReadWrite,
+				0x00000000, 0xfed40000, 0xfed44fff, 0x00000000,
+				0x00005000,,, TPMR)
+	})
+
+	// Find PCI resource area in MCRS
+	CreateDwordField(MCRS, PM01._MIN, PMIN)
+	CreateDwordField(MCRS, PM01._MAX, PMAX)
+	CreateDwordField(MCRS, PM01._LEN, PLEN)
+
+	// Fix up PCI memory region
+	// Start with Top of Lower Usable DRAM
+	Store (^MCHC.TLUD, Local0)
+	Store (^MCHC.MEBA, Local1)
+
+	// Check if ME base is equal
+	If (LEqual (Local0, Local1)) {
+		// Use Top Of Memory instead
+		Store (^MCHC.TOM, Local0)
+	}
+
+	Store (Local0, PMIN)
+	Store (Subtract(CONFIG_MMCONF_BASE_ADDRESS, 1), PMAX)
+	Add(Subtract(PMAX, PMIN), 1, PLEN)
+
+	Return (MCRS)
+}
+
+/* PCI Device Resource Consumption */
+Device (PDRC)
+{
+	Name (_HID, EISAID("PNP0C02"))
+	Name (_UID, 1)
+
+	Name (PDRS, ResourceTemplate() {
+		Memory32Fixed (ReadWrite, RCBA_BASE_ADDRESS, RCBA_BASE_SIZE)
+		Memory32Fixed (ReadWrite, MCH_BASE_ADDRESS, MCH_BASE_SIZE)
+		Memory32Fixed (ReadWrite, DMI_BASE_ADDRESS, DMI_BASE_SIZE)
+		Memory32Fixed (ReadWrite, EP_BASE_ADDRESS, EP_BASE_SIZE)
+		Memory32Fixed (ReadWrite, MCFG_BASE_ADDRESS, MCFG_BASE_SIZE)
+		Memory32Fixed (ReadWrite, EDRAM_BASE_ADDRESS, EDRAM_BASE_SIZE)
+		Memory32Fixed (ReadWrite, GDXC_BASE_ADDRESS, GDXC_BASE_SIZE)
+	})
+
+	// Current Resource Settings
+	Method (_CRS, 0, Serialized)
+	{
+		Return (PDRS)
+	}
+}
+
+/* PCI IRQ assignment */
+#include "pci_irqs.asl"
+
+/* Configurable TDP */
+#include "ctdp.asl"
diff --git a/src/soc/intel/skylake/acpi/xhci.asl b/src/soc/intel/skylake/acpi/xhci.asl
new file mode 100644
index 0000000..c41275c
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/xhci.asl
@@ -0,0 +1,371 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// XHCI Controller 0:14.0
+
+Device (XHCI)
+{
+	Name (_ADR, 0x00140000)
+
+	Name (PLSD, 5) // Port Link State - RxDetect
+	Name (PLSP, 7) // Port Link State - Polling
+
+	OperationRegion (XPRT, PCI_Config, 0x00, 0x100)
+	Field (XPRT, AnyAcc, NoLock, Preserve)
+	{
+		Offset (0x0),
+		DVID, 16,
+		Offset (0x10),
+		, 16,
+		XMEM, 16, // MEM_BASE
+		Offset (0x40),
+		, 11,
+		SWAI, 1,
+		, 20,
+		Offset (0x44),
+		, 12,
+		SAIP, 2,
+		, 18,
+		Offset (0x74),
+		D0D3, 2,
+		, 6,
+		PMEE, 1,  // PME_EN
+		, 6,
+		PMES, 1,  // PME_STS
+		Offset (0xb0),
+		, 13,
+		MB13, 1,
+		MB14, 1,
+		Offset (0xd0),
+		PR2R, 32,  // USB2PR
+		PR2M, 32,  // USB2PRM
+		PR3R, 32,  // USB3PR
+		PR3M, 32,  // USB3PRM
+	}
+
+	// Clear status bits
+	Method (LPCL, 0, Serialized)
+	{
+		OperationRegion (XREG, SystemMemory,
+				 ShiftLeft (^XMEM, 16), 0x600)
+		Field (XREG, DWordAcc, Lock, Preserve)
+		{
+			Offset (0x510), // PORTSCNUSB3[0]
+			PSC0, 32,
+			Offset (0x520), // PORTSCNUSB3[1]
+			PSC1, 32,
+			Offset (0x530), // PORTSCNUSB3[2]
+			PSC2, 32,
+			Offset (0x540), // PORTSCNUSB3[3]
+			PSC3, 32,
+		}
+
+		// Port Enabled/Disabled (Bit 1)
+		Name (PEDB, ShiftLeft (1, 1))
+
+		// Change Status (Bits 23:17)
+		Name (CHST, ShiftLeft (0x7f, 17))
+
+		// Port 0
+		And (PSC0, Not (PEDB), Local0)
+		Or (Local0, CHST, PSC0)
+
+		// Port 1
+		And (PSC1, Not (PEDB), Local0)
+		Or (Local0, CHST, PSC1)
+
+		// Port 2
+		And (PSC2, Not (PEDB), Local0)
+		Or (Local0, CHST, PSC2)
+
+		// Port 3
+		And (PSC3, Not (PEDB), Local0)
+		Or (Local0, CHST, PSC3)
+	}
+
+	Method (LPS0, 0, Serialized)
+	{
+		OperationRegion (XREG, SystemMemory,
+				 ShiftLeft (^XMEM, 16), 0x600)
+		Field (XREG, DWordAcc, Lock, Preserve)
+		{
+			Offset (0x510), // PORTSCNUSB3
+			, 5,
+			PLS1, 4,	// [8:5] Port Link State
+			PPR1, 1,	// [9] Port Power
+			, 7,
+			CSC1, 1,	// [17] Connect Status Change
+			, 1,
+			WRC1, 1,	// [19] Warm Port Reset Change
+			, 11,
+			WPR1, 1,	// [31] Warm Port Reset
+			Offset (0x520), // PORTSCNUSB3
+			, 5,
+			PLS2, 4,	// [8:5] Port Link State
+			PPR2, 1,	// [9] Port Power
+			, 7,
+			CSC2, 1,	// [17] Connect Status Change
+			, 1,
+			WRC2, 1,	// [19] Warm Port Reset Change
+			, 11,
+			WPR2, 1,	// [31] Warm Port Reset
+			Offset (0x530), // PORTSCNUSB3
+			, 5,
+			PLS3, 4,	// [8:5] Port Link State
+			PPR3, 1,	// [9] Port Power
+			, 7,
+			CSC3, 1,	// [17] Connect Status Change
+			, 1,
+			WRC3, 1,	// [19] Warm Port Reset Change
+			, 11,
+			WPR3, 1,	// [31] Warm Port Reset
+			Offset (0x540), // PORTSCNUSB3
+			, 5,
+			PLS4, 4,	// [8:5] Port Link State
+			PPR4, 1,	// [9] Port Power
+			, 7,
+			CSC4, 1,	// [17] Connect Status Change
+			, 1,
+			WRC4, 1,	// [19] Warm Port Reset Change
+			, 11,
+			WPR4, 1,	// [31] Warm Port Reset
+		}
+
+		// Wait for all powered ports to finish polling
+		Store (10, Local0)
+		While (LOr (LOr (LAnd (LEqual (PPR1, 1), LEqual (PLS1, PLSP)),
+				 LAnd (LEqual (PPR2, 1), LEqual (PLS2, PLSP))),
+			    LOr (LAnd (LEqual (PPR3, 1), LEqual (PLS3, PLSP)),
+				 LAnd (LEqual (PPR4, 1), LEqual (PLS4, PLSP)))))
+		{
+			If (LEqual (Local0, 0)) {
+				Break
+			}
+			Decrement (Local0)
+			Stall (10)
+		}
+
+		// For each USB3 Port:
+		//   If port is disconnected (PLS=5 PP=1 CSC=0)
+		//     1) Issue warm reset (WPR=1)
+		//     2) Poll for warm reset complete (WRC=0)
+		//     3) Write 1 to port status to clear
+
+		// Local# indicate if port is reset
+		Store (0, Local1)
+		Store (0, Local2)
+		Store (0, Local3)
+		Store (0, Local4)
+
+		If (LAnd (LEqual (PLS1, PLSD),
+		          LAnd (LEqual (CSC1, 0), LEqual (PPR1, 1)))) {
+			Store (1, WPR1)	      // Issue warm reset
+			Store (1, Local1)
+		}
+		If (LAnd (LEqual (PLS2, PLSD),
+		          LAnd (LEqual (CSC2, 0), LEqual (PPR2, 1)))) {
+			Store (1, WPR2)	      // Issue warm reset
+			Store (1, Local2)
+		}
+		If (LAnd (LEqual (PLS3, PLSD),
+		          LAnd (LEqual (CSC3, 0), LEqual (PPR3, 1)))) {
+			Store (1, WPR3)	      // Issue warm reset
+			Store (1, Local3)
+		}
+		If (LAnd (LEqual (PLS4, PLSD),
+		          LAnd (LEqual (CSC4, 0), LEqual (PPR4, 1)))) {
+			Store (1, WPR4)	      // Issue warm reset
+			Store (1, Local4)
+		}
+
+		// Poll for warm reset complete on all ports that were reset
+		Store (10, Local0)
+		While (LOr (LOr (LAnd (LEqual (Local1, 1), LEqual (WRC1, 0)),
+				 LAnd (LEqual (Local2, 1), LEqual (WRC2, 0))),
+			    LOr (LAnd (LEqual (Local3, 1), LEqual (WRC3, 0)),
+			         LAnd (LEqual (Local4, 1), LEqual (WRC4, 0)))))
+		{
+			If (LEqual (Local0, 0)) {
+				Break
+			}
+			Decrement (Local0)
+			Stall (10)
+		}
+
+		// Clear status bits in all ports
+		LPCL ()
+	}
+
+	Method (_PSC, 0, NotSerialized)
+	{
+		Return (^D0D3)
+	}
+
+	Method (_PS0, 0, Serialized)
+	{
+		If (LEqual (^DVID, 0xFFFF)) {
+			Return ()
+		}
+		If (LOr (LEqual (^XMEM, 0xFFFF), LEqual (^XMEM, 0x0000))) {
+			Return ()
+		}
+
+		OperationRegion (XREG, SystemMemory,
+				 Add (ShiftLeft (^XMEM, 16), 0x8000), 0x200)
+		Field (XREG, DWordAcc, Lock, Preserve)
+		{
+			Offset (0x0e0), // AUX Reset Control 1
+			, 15,
+			AX15, 1,
+			Offset (0x154), // AUX Domain PM Control Register 2
+			, 31,
+			CLK2, 1,
+			Offset (0x16c), // AUX Clock Control
+			, 2,
+			CLK0, 1,
+			, 11,
+			CLK1, 1, // USB3 Port Aux/Core Clock Gating Enable
+		}
+
+		// If device is in D3, set back to D0
+		Store (^D0D3, Local0)
+		if (LEqual (Local0, 3)) {
+			Store (0, ^D0D3)
+		}
+
+		if (LNot (\ISWP())) {
+			// Clear PCI 0xB0[14:13]
+			Store (0, ^MB13)
+			Store (0, ^MB14)
+
+			// Clear MMIO 0x816C[14,2]
+			Store (0, CLK0)
+			Store (0, CLK1)
+
+			// Set MMIO 0x8154[31]
+			Store (1, CLK2)
+
+			// Handle per-port reset if needed
+			LPS0 ()
+
+			// Set MMIO 0x80e0[15]
+			Store (1, AX15)
+
+			// Clear PCI CFG offset 0x40[11]
+			Store (0, ^SWAI)
+
+			// Clear PCI CFG offset 0x44[13:12]
+			Store (0, ^SAIP)
+		}
+
+		Return ()
+	}
+
+	Method (_PS3, 0, Serialized)
+	{
+		If (LEqual (^DVID, 0xFFFF)) {
+			Return ()
+		}
+		If (LOr (LEqual (^XMEM, 0xFFFF), LEqual (^XMEM, 0x0000))) {
+			Return ()
+		}
+
+		OperationRegion (XREG, SystemMemory,
+				 Add (ShiftLeft (^XMEM, 16), 0x8000), 0x200)
+		Field (XREG, DWordAcc, Lock, Preserve)
+		{
+			Offset (0x0e0), // AUX Reset Control 1
+			, 15,
+			AX15, 1,
+			Offset (0x154), // AUX Domain PM Control Register 2
+			, 31,
+			CLK2, 1,
+			Offset (0x16c), // AUX Clock Control
+			, 2,
+			CLK0, 1,
+			, 11,
+			CLK1, 1, // USB3 Port Aux/Core Clock Gating Enable
+		}
+
+		Store (1, ^PMES) // Clear PME Status
+		Store (1, ^PMEE) // Enable PME
+
+		// If device is in D3, set back to D0
+		Store (^D0D3, Local0)
+		if (LEqual (Local0, 3)) {
+			Store (0, ^D0D3)
+		}
+
+		if (LNot (\ISWP())) {
+			// Set PCI 0xB0[14:13]
+			Store (1, ^MB13)
+			Store (1, ^MB14)
+
+			// Set MMIO 0x816C[14,2]
+			Store (1, CLK0)
+			Store (1, CLK1)
+
+			// Clear MMIO 0x8154[31]
+			Store (0, CLK2)
+
+			// Clear MMIO 0x80e0[15]
+			Store (0, AX15)
+
+			// Set PCI CFG offset 0x40[11]
+			Store (1, ^SWAI)
+
+			// Set PCI CFG offset 0x44[13:12]
+			Store (1, ^SAIP)
+		}
+
+		// Put device in D3
+		Store (3, ^D0D3)
+
+		Return ()
+	}
+
+	Name (_PRW, Package(){ 0x6d, 3 })
+
+	// Leave USB ports on for to allow Wake from USB
+
+	Method(_S3D,0)	// Highest D State in S3 State
+	{
+		Return (3)
+	}
+
+	Method(_S4D,0)	// Highest D State in S4 State
+	{
+		Return (3)
+	}
+
+	Device (HUB7)
+	{
+		Name (_ADR, 0x00000000)
+
+		// How many are there?
+		Device (PRT1) { Name (_ADR, 1) } // USB Port 0
+		Device (PRT2) { Name (_ADR, 2) } // USB Port 1
+		Device (PRT3) { Name (_ADR, 3) } // USB Port 2
+		Device (PRT4) { Name (_ADR, 4) } // USB Port 3
+		Device (PRT5) { Name (_ADR, 5) } // USB Port 4
+		Device (PRT6) { Name (_ADR, 6) } // USB Port 5
+	}
+}
+
diff --git a/src/soc/intel/skylake/adsp.c b/src/soc/intel/skylake/adsp.c
new file mode 100644
index 0000000..1a7cca7
--- /dev/null
+++ b/src/soc/intel/skylake/adsp.c
@@ -0,0 +1,167 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <cbmem.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <arch/io.h>
+#include <delay.h>
+#include <soc/adsp.h>
+#include <soc/device_nvs.h>
+#include <soc/iobp.h>
+#include <soc/nvs.h>
+#include <soc/pch.h>
+#include <soc/ramstage.h>
+#include <soc/rcba.h>
+#include <soc/intel/broadwell/chip.h>
+
+static void adsp_init(struct device *dev)
+{
+	config_t *config = dev->chip_info;
+	struct resource *bar0, *bar1;
+	u32 tmp32;
+
+	/* Ensure memory and bus master are enabled */
+	tmp32 = pci_read_config32(dev, PCI_COMMAND);
+	tmp32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+	pci_write_config32(dev, PCI_COMMAND, tmp32);
+
+	/* Find BAR0 and BAR1 */
+	bar0 = find_resource(dev, PCI_BASE_ADDRESS_0);
+	if (!bar0)
+		return;
+	bar1 = find_resource(dev, PCI_BASE_ADDRESS_1);
+	if (!bar1)
+		return;
+
+	/*
+	 * Set LTR value in DSP shim LTR control register to 3ms
+	 * SNOOP_REQ[13]=1b SNOOP_SCALE[12:10]=100b (1ms) SNOOP_VAL[9:0]=3h
+	 */
+	tmp32 = pch_is_wpt() ? ADSP_SHIM_BASE_WPT : ADSP_SHIM_BASE_LPT;
+	write32(res2mmio(bar0, tmp32 + ADSP_SHIM_LTRC, 0),
+		ADSP_SHIM_LTRC_VALUE);
+
+	/* Program VDRTCTL2 D19:F0:A8[31:0] = 0x00000fff */
+	pci_write_config32(dev, ADSP_PCI_VDRTCTL2, ADSP_VDRTCTL2_VALUE);
+
+	/* Program ADSP IOBP VDLDAT1 to 0x040100 */
+	pch_iobp_write(ADSP_IOBP_VDLDAT1, ADSP_VDLDAT1_VALUE);
+
+	/* Set D3 Power Gating Enable in D19:F0:A0 based on PCH type */
+	tmp32 = pci_read_config32(dev, ADSP_PCI_VDRTCTL0);
+	if (pch_is_wpt()) {
+		if (config->adsp_d3_pg_enable) {
+			tmp32 &= ~ADSP_VDRTCTL0_D3PGD_WPT;
+			if (config->adsp_sram_pg_enable)
+				tmp32 &= ~ADSP_VDRTCTL0_D3SRAMPGD_WPT;
+			else
+				tmp32 |= ADSP_VDRTCTL0_D3SRAMPGD_WPT;
+		} else {
+			tmp32 |= ADSP_VDRTCTL0_D3PGD_WPT;
+		}
+	} else {
+		if (config->adsp_d3_pg_enable) {
+			tmp32 &= ~ADSP_VDRTCTL0_D3PGD_LPT;
+			if (config->adsp_sram_pg_enable)
+				tmp32 &= ~ADSP_VDRTCTL0_D3SRAMPGD_LPT;
+			else
+				tmp32 |= ADSP_VDRTCTL0_D3SRAMPGD_LPT;
+		} else {
+			tmp32 |= ADSP_VDRTCTL0_D3PGD_LPT;
+		}
+	}
+	pci_write_config32(dev, ADSP_PCI_VDRTCTL0, tmp32);
+
+	/* Set PSF Snoop to SA, RCBA+0x3350[10]=1b */
+	RCBA32_OR(0x3350, (1 << 10));
+
+	/* Set DSP IOBP PMCTL 0x1e0=0x3f */
+	pch_iobp_write(ADSP_IOBP_PMCTL, ADSP_PMCTL_VALUE);
+
+	if (config->sio_acpi_mode) {
+		/* Configure for ACPI mode */
+		global_nvs_t *gnvs;
+
+		printk(BIOS_INFO, "ADSP: Enable ACPI Mode IRQ3\n");
+
+		/* Find ACPI NVS to update BARs */
+		gnvs = (global_nvs_t *)cbmem_find(CBMEM_ID_ACPI_GNVS);
+		if (!gnvs) {
+			printk(BIOS_ERR, "Unable to locate Global NVS\n");
+			return;
+		}
+
+		/* Save BAR0 and BAR1 to ACPI NVS */
+		gnvs->dev.bar0[SIO_NVS_ADSP] = (u32)bar0->base;
+		gnvs->dev.bar1[SIO_NVS_ADSP] = (u32)bar1->base;
+		gnvs->dev.enable[SIO_NVS_ADSP] = 1;
+
+		/* Set PCI Config Disable Bit */
+		pch_iobp_update(ADSP_IOBP_PCICFGCTL, ~0, ADSP_PCICFGCTL_PCICD);
+
+		/* Set interrupt de-assert/assert opcode override to IRQ3 */
+		pch_iobp_write(ADSP_IOBP_VDLDAT2, ADSP_IOBP_ACPI_IRQ3);
+
+		/* Enable IRQ3 in RCBA */
+		RCBA32_OR(ACPIIRQEN, ADSP_ACPI_IRQEN);
+
+		/* Set ACPI Interrupt Enable Bit */
+		pch_iobp_update(ADSP_IOBP_PCICFGCTL, ~ADSP_PCICFGCTL_SPCBAD,
+				ADSP_PCICFGCTL_ACPIIE);
+
+		/* Put ADSP in D3hot */
+		tmp32 = read32(res2mmio(bar1, PCH_PCS, 0));
+		tmp32 |= PCH_PCS_PS_D3HOT;
+		write32(res2mmio(bar1, PCH_PCS, 0), tmp32);
+	} else {
+		printk(BIOS_INFO, "ADSP: Enable PCI Mode IRQ23\n");
+
+		/* Configure for PCI mode */
+		pci_write_config32(dev, PCI_INTERRUPT_LINE, ADSP_PCI_IRQ);
+
+		/* Clear ACPI Interrupt Enable Bit */
+		pch_iobp_update(ADSP_IOBP_PCICFGCTL,
+			~(ADSP_PCICFGCTL_SPCBAD | ADSP_PCICFGCTL_ACPIIE), 0);
+	}
+}
+
+static struct device_operations adsp_ops = {
+	.read_resources		= &pci_dev_read_resources,
+	.set_resources		= &pci_dev_set_resources,
+	.enable_resources	= &pci_dev_enable_resources,
+	.init			= &adsp_init,
+	.ops_pci		= &broadwell_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = {
+	0x9c36, /* LynxPoint */
+	0x9cb6, /* WildcatPoint */
+	0
+};
+
+static const struct pci_driver pch_adsp __pci_driver = {
+	.ops	 = &adsp_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};
+
diff --git a/src/soc/intel/skylake/bootblock/Makefile.inc b/src/soc/intel/skylake/bootblock/Makefile.inc
new file mode 100644
index 0000000..2ca5a45
--- /dev/null
+++ b/src/soc/intel/skylake/bootblock/Makefile.inc
@@ -0,0 +1 @@
+chipset_bootblock_inc += $(src)/soc/intel/broadwell/bootblock/timestamp.inc
diff --git a/src/soc/intel/skylake/bootblock/cpu.c b/src/soc/intel/skylake/bootblock/cpu.c
new file mode 100644
index 0000000..3a47d13
--- /dev/null
+++ b/src/soc/intel/skylake/bootblock/cpu.c
@@ -0,0 +1,142 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <arch/cpu.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/mtrr.h>
+#include <arch/io.h>
+#include <halt.h>
+#include <cpu/intel/microcode/microcode.c>
+#include <soc/rcba.h>
+#include <soc/msr.h>
+
+static void set_var_mtrr(
+	unsigned reg, unsigned base, unsigned size, unsigned type)
+
+{
+	/* Bit Bit 32-35 of MTRRphysMask should be set to 1 */
+	msr_t basem, maskm;
+	basem.lo = base | type;
+	basem.hi = 0;
+	wrmsr(MTRRphysBase_MSR(reg), basem);
+	maskm.lo = ~(size - 1) | MTRRphysMaskValid;
+	maskm.hi = (1 << (CONFIG_CPU_ADDR_BITS - 32)) - 1;
+	wrmsr(MTRRphysMask_MSR(reg), maskm);
+}
+
+static void enable_rom_caching(void)
+{
+	msr_t msr;
+
+	disable_cache();
+	/* Why only top 4MiB ? */
+	set_var_mtrr(1, CACHE_ROM_BASE, CACHE_ROM_SIZE, MTRR_TYPE_WRPROT);
+	enable_cache();
+
+	/* Enable Variable MTRRs */
+	msr.hi = 0x00000000;
+	msr.lo = 0x00000800;
+	wrmsr(MTRRdefType_MSR, msr);
+}
+
+static void bootblock_mdelay(int ms)
+{
+	u32 target = ms * 24 * 1000;
+	msr_t current;
+	msr_t start = rdmsr(MSR_COUNTER_24_MHZ);
+
+	do {
+		current = rdmsr(MSR_COUNTER_24_MHZ);
+	} while ((current.lo - start.lo) < target);
+}
+
+static void set_flex_ratio_to_tdp_nominal(void)
+{
+	msr_t flex_ratio, msr;
+	u32 soft_reset;
+	u8 nominal_ratio;
+
+	/* Check for Flex Ratio support */
+	flex_ratio = rdmsr(MSR_FLEX_RATIO);
+	if (!(flex_ratio.lo & FLEX_RATIO_EN))
+		return;
+
+	/* Check for >0 configurable TDPs */
+	msr = rdmsr(MSR_PLATFORM_INFO);
+	if (((msr.hi >> 1) & 3) == 0)
+		return;
+
+	/* Use nominal TDP ratio for flex ratio */
+	msr = rdmsr(MSR_CONFIG_TDP_NOMINAL);
+	nominal_ratio = msr.lo & 0xff;
+
+	/* See if flex ratio is already set to nominal TDP ratio */
+	if (((flex_ratio.lo >> 8) & 0xff) == nominal_ratio)
+		return;
+
+	/* Set flex ratio to nominal TDP ratio */
+	flex_ratio.lo &= ~0xff00;
+	flex_ratio.lo |= nominal_ratio << 8;
+	flex_ratio.lo |= FLEX_RATIO_LOCK;
+	wrmsr(MSR_FLEX_RATIO, flex_ratio);
+
+	/* Set flex ratio in soft reset data register bits 11:6.
+	 * RCBA region is enabled in southbridge bootblock */
+	soft_reset = RCBA32(SOFT_RESET_DATA);
+	soft_reset &= ~(0x3f << 6);
+	soft_reset |= (nominal_ratio & 0x3f) << 6;
+	RCBA32(SOFT_RESET_DATA) = soft_reset;
+
+	/* Set soft reset control to use register value */
+	RCBA32_OR(SOFT_RESET_CTRL, 1);
+
+	/* Delay before reset to avoid potential TPM lockout */
+	bootblock_mdelay(30);
+
+	/* Issue warm reset, will be "CPU only" due to soft reset data */
+	outb(0x0, 0xcf9);
+	outb(0x6, 0xcf9);
+	halt();
+}
+
+static void check_for_clean_reset(void)
+{
+	msr_t msr;
+	msr = rdmsr(MTRRdefType_MSR);
+
+	/* Use the MTRR default type MSR as a proxy for detecting INIT#.
+	 * Reset the system if any known bits are set in that MSR. That is
+	 * an indication of the CPU not being properly reset. */
+	if (msr.lo & (MTRRdefTypeEn | MTRRdefTypeFixEn)) {
+		outb(0x0, 0xcf9);
+		outb(0x6, 0xcf9);
+		halt();
+	}
+}
+
+static void bootblock_cpu_init(void)
+{
+	/* Set flex ratio and reset if needed */
+	set_flex_ratio_to_tdp_nominal();
+	check_for_clean_reset();
+	enable_rom_caching();
+	intel_update_microcode_from_cbfs();
+}
diff --git a/src/soc/intel/skylake/bootblock/pch.c b/src/soc/intel/skylake/bootblock/pch.c
new file mode 100644
index 0000000..2fa7220
--- /dev/null
+++ b/src/soc/intel/skylake/bootblock/pch.c
@@ -0,0 +1,79 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <soc/iomap.h>
+#include <soc/lpc.h>
+#include <soc/pci_devs.h>
+#include <soc/rcba.h>
+#include <soc/spi.h>
+
+/*
+ * Enable Prefetching and Caching.
+ */
+static void enable_spi_prefetch(void)
+{
+	u8 reg8 = pci_read_config8(PCH_DEV_LPC, 0xdc);
+	reg8 &= ~(3 << 2);
+	reg8 |= (2 << 2); /* Prefetching and Caching Enabled */
+	pci_write_config8(PCH_DEV_LPC, 0xdc, reg8);
+}
+
+
+static void map_rcba(void)
+{
+	pci_write_config32(PCH_DEV_LPC, RCBA, RCBA_BASE_ADDRESS | 1);
+}
+
+static void enable_port80_on_lpc(void)
+{
+	/* Enable port 80 POST on LPC. The chipset does this by default,
+	 * but it doesn't appear to hurt anything. */
+	u32 gcs = RCBA32(GCS);
+	gcs = gcs & ~0x4;
+	RCBA32(GCS) = gcs;
+}
+
+static void set_spi_speed(void)
+{
+	u32 fdod;
+	u8 ssfc;
+
+	/* Observe SPI Descriptor Component Section 0 */
+	SPIBAR32(SPIBAR_FDOC) = 0x1000;
+
+	/* Extract the Write/Erase SPI Frequency from descriptor */
+	fdod = SPIBAR32(SPIBAR_FDOD);
+	fdod >>= 24;
+	fdod &= 7;
+
+	/* Set Software Sequence frequency to match */
+	ssfc = SPIBAR8(SPIBAR_SSFC + 2);
+	ssfc &= ~7;
+	ssfc |= fdod;
+	SPIBAR8(SPIBAR_SSFC + 2) = ssfc;
+}
+
+static void bootblock_southbridge_init(void)
+{
+	map_rcba();
+	enable_spi_prefetch();
+	enable_port80_on_lpc();
+	set_spi_speed();
+}
diff --git a/src/soc/intel/skylake/bootblock/systemagent.c b/src/soc/intel/skylake/bootblock/systemagent.c
new file mode 100644
index 0000000..15e7fc8
--- /dev/null
+++ b/src/soc/intel/skylake/bootblock/systemagent.c
@@ -0,0 +1,44 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <soc/pci_devs.h>
+#include <soc/systemagent.h>
+
+static void bootblock_northbridge_init(void)
+{
+	uint32_t reg;
+
+	/*
+	 * The "io" variant of the config access is explicitly used to
+	 * setup the PCIEXBAR because CONFIG_MMCONF_SUPPORT_DEFAULT is set to
+	 * to true. That way all subsequent non-explicit config accesses use
+	 * MCFG. This code also assumes that bootblock_northbridge_init() is
+	 * the first thing called in the non-asm boot block code. The final
+	 * assumption is that no assembly code is using the
+	 * CONFIG_MMCONF_SUPPORT_DEFAULT option to do PCI config accesses.
+	 *
+	 * The PCIEXBAR is assumed to live in the memory mapped IO space under
+	 * 4GiB.
+	 */
+	reg = 0;
+	pci_io_write_config32(SA_DEV_ROOT, PCIEXBAR + 4, reg);
+	reg = CONFIG_MMCONF_BASE_ADDRESS | 4 | 1; /* 64MiB - 0-63 buses. */
+	pci_io_write_config32(SA_DEV_ROOT, PCIEXBAR, reg);
+}
diff --git a/src/soc/intel/skylake/bootblock/timestamp.inc b/src/soc/intel/skylake/bootblock/timestamp.inc
new file mode 100644
index 0000000..f565775
--- /dev/null
+++ b/src/soc/intel/skylake/bootblock/timestamp.inc
@@ -0,0 +1,19 @@
+/* Store the initial timestamp for booting in mmx registers. This works
+ * because the bootblock isn't being compiled with MMX support so mm0 and
+ * mm1 will be preserved into romstage. */
+	.code32
+
+.global stash_timestamp
+stash_timestamp:
+
+	/* Save the BIST value */
+	movl	%eax, %ebp
+
+	finit
+	rdtsc
+	movd	%eax, %mm0
+	movd	%edx, %mm1
+
+	/* Restore the BIST value to %eax */
+	movl	%ebp, %eax
+
diff --git a/src/soc/intel/skylake/chip.c b/src/soc/intel/skylake/chip.c
new file mode 100644
index 0000000..0026152
--- /dev/null
+++ b/src/soc/intel/skylake/chip.c
@@ -0,0 +1,80 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <soc/pci_devs.h>
+#include <soc/ramstage.h>
+#include <soc/intel/broadwell/chip.h>
+
+static void pci_domain_set_resources(device_t dev)
+{
+	assign_resources(dev->link_list);
+}
+
+static struct device_operations pci_domain_ops = {
+	.read_resources   = &pci_domain_read_resources,
+	.set_resources    = &pci_domain_set_resources,
+	.scan_bus         = &pci_domain_scan_bus,
+	.ops_pci_bus      = &pci_bus_default_ops,
+};
+
+static struct device_operations cpu_bus_ops = {
+	.read_resources   = DEVICE_NOOP,
+	.set_resources    = DEVICE_NOOP,
+	.enable_resources = DEVICE_NOOP,
+	.init             = &broadwell_init_cpus,
+};
+
+static void broadwell_enable(device_t dev)
+{
+	/* Set the operations if it is a special bus type */
+	if (dev->path.type == DEVICE_PATH_DOMAIN) {
+		dev->ops = &pci_domain_ops;
+	} else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
+		dev->ops = &cpu_bus_ops;
+	} else if (dev->path.type == DEVICE_PATH_PCI) {
+		/* Handle PCH device enable */
+		if (PCI_SLOT(dev->path.pci.devfn) > SA_DEV_SLOT_MINIHD &&
+		    (dev->ops == NULL || dev->ops->enable == NULL)) {
+			broadwell_pch_enable_dev(dev);
+		}
+	}
+}
+
+struct chip_operations soc_intel_broadwell_ops = {
+	CHIP_NAME("Intel Broadwell")
+	.enable_dev = &broadwell_enable,
+	.init       = &broadwell_init_pre_device,
+};
+
+static void pci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	if (!vendor || !device)
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				   pci_read_config32(dev, PCI_VENDOR_ID));
+	else
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				   (device << 16) | vendor);
+}
+
+struct pci_operations broadwell_pci_ops = {
+	.set_subsystem = &pci_set_subsystem
+};
diff --git a/src/soc/intel/skylake/chip.h b/src/soc/intel/skylake/chip.h
new file mode 100644
index 0000000..77c517d
--- /dev/null
+++ b/src/soc/intel/skylake/chip.h
@@ -0,0 +1,167 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2008 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _SOC_INTEL_BROADWELL_CHIP_H_
+#define _SOC_INTEL_BROADWELL_CHIP_H_
+
+struct soc_intel_broadwell_config {
+	/*
+	 * Interrupt Routing configuration
+	 * If bit7 is 1, the interrupt is disabled.
+	 */
+	uint8_t pirqa_routing;
+	uint8_t pirqb_routing;
+	uint8_t pirqc_routing;
+	uint8_t pirqd_routing;
+	uint8_t pirqe_routing;
+	uint8_t pirqf_routing;
+	uint8_t pirqg_routing;
+	uint8_t pirqh_routing;
+
+	/* GPE configuration */
+	uint32_t gpe0_en_1;
+	uint32_t gpe0_en_2;
+	uint32_t gpe0_en_3;
+	uint32_t gpe0_en_4;
+
+	/* GPIO SMI configuration */
+	uint32_t alt_gp_smi_en;
+
+	/* IDE configuration */
+	uint8_t sata_port_map;
+	uint32_t sata_port0_gen3_tx;
+	uint32_t sata_port1_gen3_tx;
+	uint32_t sata_port0_gen3_dtle;
+	uint32_t sata_port1_gen3_dtle;
+
+	/*
+	 * SATA DEVSLP Mux
+	 * 0 = port 0 DEVSLP on DEVSLP0/GPIO33
+	 * 1 = port 3 DEVSLP on DEVSLP0/GPIO33
+	 */
+	uint8_t sata_devslp_mux;
+
+	/*
+	 * DEVSLP Disable
+	 * 0: DEVSLP is enabled
+	 * 1: DEVSLP is disabled
+	 */
+	uint8_t sata_devslp_disable;
+
+	/* Generic IO decode ranges */
+	uint32_t gen1_dec;
+	uint32_t gen2_dec;
+	uint32_t gen3_dec;
+	uint32_t gen4_dec;
+
+	/* Enable linear PCIe Root Port function numbers starting at zero */
+	uint8_t pcie_port_coalesce;
+
+	/* Force root port ASPM configuration with port bitmap */
+	uint8_t pcie_port_force_aspm;
+
+	/* Put SerialIO devices into ACPI mode instead of a PCI device */
+	uint8_t sio_acpi_mode;
+
+	/* I2C voltage select: 0=3.3V 1=1.8V */
+	uint8_t sio_i2c0_voltage;
+	uint8_t sio_i2c1_voltage;
+
+	/* Enable ADSP power gating features */
+	uint8_t adsp_d3_pg_enable;
+	uint8_t adsp_sram_pg_enable;
+
+	/*
+	 * Clock Disable Map:
+	 * [21:16] = CLKOUT_PCIE# 5-0
+	 *    [24] = CLKOUT_ITPXDP
+	 */
+	uint32_t icc_clock_disable;
+
+	/*
+	 * Digital Port Hotplug Enable:
+	 *  0x04 = Enabled, 2ms short pulse
+	 *  0x05 = Enabled, 4.5ms short pulse
+	 *  0x06 = Enabled, 6ms short pulse
+	 *  0x07 = Enabled, 100ms short pulse
+	 */
+	u8 gpu_dp_b_hotplug;
+	u8 gpu_dp_c_hotplug;
+	u8 gpu_dp_d_hotplug;
+
+	/* Panel power sequence timings */
+	u8 gpu_panel_port_select;
+	u8 gpu_panel_power_cycle_delay;
+	u16 gpu_panel_power_up_delay;
+	u16 gpu_panel_power_down_delay;
+	u16 gpu_panel_power_backlight_on_delay;
+	u16 gpu_panel_power_backlight_off_delay;
+
+	/* Panel backlight settings */
+	u32 gpu_cpu_backlight;
+	u32 gpu_pch_backlight;
+
+	/*
+	 * Graphics CD Clock Frequency
+	 * 0 = 337.5MHz
+	 * 1 = 450MHz
+	 * 2 = 540MHz
+	 * 3 = 675MHz
+	 */
+	int cdclk;
+
+	/* Enable S0iX support */
+	int s0ix_enable;
+
+	/*
+	 * Minimum voltage for C6/C7 state:
+	 * 0x67 = 1.6V (full swing)
+	 *  ...
+	 * 0x79 = 1.7V
+	 *  ...
+	 * 0x83 = 1.8V (no swing)
+	 */
+	int vr_cpu_min_vid;
+
+	/*
+	 * Set slow VR ramp rate on C-state exit:
+	 * 0 = Fast VR ramp rate / 2
+	 * 1 = Fast VR ramp rate / 4
+	 * 2 = Fast VR ramp rate / 8
+	 * 3 = Fast VR ramp rate / 16
+	 */
+	int vr_slow_ramp_rate_set;
+
+	/* Enable slow VR ramp rate */
+	int vr_slow_ramp_rate_enable;
+
+	/* Deep SX enable */
+	int deep_sx_enable_ac;
+	int deep_sx_enable_dc;
+
+	/* TCC activation offset */
+	int tcc_offset;
+};
+
+typedef struct soc_intel_broadwell_config config_t;
+
+extern struct chip_operations soc_ops;
+
+#endif
diff --git a/src/soc/intel/skylake/cpu.c b/src/soc/intel/skylake/cpu.c
new file mode 100644
index 0000000..984ff76
--- /dev/null
+++ b/src/soc/intel/skylake/cpu.c
@@ -0,0 +1,735 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <string.h>
+#include <arch/acpi.h>
+#include <cpu/cpu.h>
+#include <cpu/x86/mtrr.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/x86/mp.h>
+#include <cpu/intel/microcode.h>
+#include <cpu/intel/speedstep.h>
+#include <cpu/intel/turbo.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/name.h>
+#include <cpu/x86/smm.h>
+#include <delay.h>
+#include <pc80/mc146818rtc.h>
+#include <soc/cpu.h>
+#include <soc/msr.h>
+#include <soc/pci_devs.h>
+#include <soc/ramstage.h>
+#include <soc/rcba.h>
+#include <soc/smm.h>
+#include <soc/systemagent.h>
+#include <soc/intel/broadwell/chip.h>
+
+/* Convert time in seconds to POWER_LIMIT_1_TIME MSR value */
+static const u8 power_limit_time_sec_to_msr[] = {
+	[0]   = 0x00,
+	[1]   = 0x0a,
+	[2]   = 0x0b,
+	[3]   = 0x4b,
+	[4]   = 0x0c,
+	[5]   = 0x2c,
+	[6]   = 0x4c,
+	[7]   = 0x6c,
+	[8]   = 0x0d,
+	[10]  = 0x2d,
+	[12]  = 0x4d,
+	[14]  = 0x6d,
+	[16]  = 0x0e,
+	[20]  = 0x2e,
+	[24]  = 0x4e,
+	[28]  = 0x6e,
+	[32]  = 0x0f,
+	[40]  = 0x2f,
+	[48]  = 0x4f,
+	[56]  = 0x6f,
+	[64]  = 0x10,
+	[80]  = 0x30,
+	[96]  = 0x50,
+	[112] = 0x70,
+	[128] = 0x11,
+};
+
+/* Convert POWER_LIMIT_1_TIME MSR value to seconds */
+static const u8 power_limit_time_msr_to_sec[] = {
+	[0x00] = 0,
+	[0x0a] = 1,
+	[0x0b] = 2,
+	[0x4b] = 3,
+	[0x0c] = 4,
+	[0x2c] = 5,
+	[0x4c] = 6,
+	[0x6c] = 7,
+	[0x0d] = 8,
+	[0x2d] = 10,
+	[0x4d] = 12,
+	[0x6d] = 14,
+	[0x0e] = 16,
+	[0x2e] = 20,
+	[0x4e] = 24,
+	[0x6e] = 28,
+	[0x0f] = 32,
+	[0x2f] = 40,
+	[0x4f] = 48,
+	[0x6f] = 56,
+	[0x10] = 64,
+	[0x30] = 80,
+	[0x50] = 96,
+	[0x70] = 112,
+	[0x11] = 128,
+};
+
+/* The core 100MHz BLCK is disabled in deeper c-states. One needs to calibrate
+ * the 100MHz BCLCK against the 24MHz BLCK to restore the clocks properly
+ * when a core is woken up. */
+static int pcode_ready(void)
+{
+	int wait_count;
+	const int delay_step = 10;
+
+	wait_count = 0;
+	do {
+		if (!(MCHBAR32(BIOS_MAILBOX_INTERFACE) & MAILBOX_RUN_BUSY))
+			return 0;
+		wait_count += delay_step;
+		udelay(delay_step);
+	} while (wait_count < 1000);
+
+	return -1;
+}
+
+static void calibrate_24mhz_bclk(void)
+{
+	int err_code;
+
+	if (pcode_ready() < 0) {
+		printk(BIOS_ERR, "PCODE: mailbox timeout on wait ready.\n");
+		return;
+	}
+
+	/* A non-zero value initiates the PCODE calibration. */
+	MCHBAR32(BIOS_MAILBOX_DATA) = ~0;
+	MCHBAR32(BIOS_MAILBOX_INTERFACE) =
+		MAILBOX_RUN_BUSY | MAILBOX_BIOS_CMD_FSM_MEASURE_INTVL;
+
+	if (pcode_ready() < 0) {
+		printk(BIOS_ERR, "PCODE: mailbox timeout on completion.\n");
+		return;
+	}
+
+	err_code = MCHBAR32(BIOS_MAILBOX_INTERFACE) & 0xff;
+
+	printk(BIOS_DEBUG, "PCODE: 24MHz BLCK calibration response: %d\n",
+	       err_code);
+
+	/* Read the calibrated value. */
+	MCHBAR32(BIOS_MAILBOX_INTERFACE) =
+		MAILBOX_RUN_BUSY | MAILBOX_BIOS_CMD_READ_CALIBRATION;
+
+	if (pcode_ready() < 0) {
+		printk(BIOS_ERR, "PCODE: mailbox timeout on read.\n");
+		return;
+	}
+
+	printk(BIOS_DEBUG, "PCODE: 24MHz BLCK calibration value: 0x%08x\n",
+	       MCHBAR32(BIOS_MAILBOX_DATA));
+}
+
+static u32 pcode_mailbox_read(u32 command)
+{
+	if (pcode_ready() < 0) {
+		printk(BIOS_ERR, "PCODE: mailbox timeout on wait ready.\n");
+		return 0;
+	}
+
+	/* Send command and start transaction */
+	MCHBAR32(BIOS_MAILBOX_INTERFACE) = command | MAILBOX_RUN_BUSY;
+
+	if (pcode_ready() < 0) {
+		printk(BIOS_ERR, "PCODE: mailbox timeout on completion.\n");
+		return 0;
+	}
+
+	/* Read mailbox */
+	return MCHBAR32(BIOS_MAILBOX_DATA);
+}
+
+static int pcode_mailbox_write(u32 command, u32 data)
+{
+	if (pcode_ready() < 0) {
+		printk(BIOS_ERR, "PCODE: mailbox timeout on wait ready.\n");
+		return -1;
+	}
+
+	MCHBAR32(BIOS_MAILBOX_DATA) = data;
+
+	/* Send command and start transaction */
+	MCHBAR32(BIOS_MAILBOX_INTERFACE) = command | MAILBOX_RUN_BUSY;
+
+	if (pcode_ready() < 0) {
+		printk(BIOS_ERR, "PCODE: mailbox timeout on completion.\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static void initialize_vr_config(void)
+{
+	device_t dev = SA_DEV_ROOT;
+	config_t *conf = dev->chip_info;
+	msr_t msr;
+
+	printk(BIOS_DEBUG, "Initializing VR config.\n");
+
+	/*  Configure VR_CURRENT_CONFIG. */
+	msr = rdmsr(MSR_VR_CURRENT_CONFIG);
+	/* Preserve bits 63 and 62. Bit 62 is PSI4 enable, but it is only valid
+	 * on ULT systems. */
+	msr.hi &= 0xc0000000;
+	msr.hi |= (0x01 << (52 - 32)); /* PSI3 threshold -  1A. */
+	msr.hi |= (0x05 << (42 - 32)); /* PSI2 threshold -  5A. */
+	msr.hi |= (0x14 << (32 - 32)); /* PSI1 threshold - 20A. */
+	msr.hi |= (1 <<  (62 - 32)); /* Enable PSI4 */
+	/* Leave the max instantaneous current limit (12:0) to default. */
+	wrmsr(MSR_VR_CURRENT_CONFIG, msr);
+
+	/*  Configure VR_MISC_CONFIG MSR. */
+	msr = rdmsr(MSR_VR_MISC_CONFIG);
+	/* Set the IOUT_SLOPE scalar applied to dIout in U10.1.9 format. */
+	msr.hi &= ~(0x3ff << (40 - 32));
+	msr.hi |= (0x200 << (40 - 32)); /* 1.0 */
+	/* Set IOUT_OFFSET to 0. */
+	msr.hi &= ~0xff;
+	/* Set entry ramp rate to slow. */
+	msr.hi &= ~(1 << (51 - 32));
+	/* Enable decay mode on C-state entry. */
+	msr.hi |= (1 << (52 - 32));
+	/* Set the slow ramp rate */
+	msr.hi &= ~(0x3 << (53 - 32));
+	/* Configure the C-state exit ramp rate. */
+	if (conf->vr_slow_ramp_rate_enable) {
+		/* Configured slow ramp rate. */
+		msr.hi |= ((conf->vr_slow_ramp_rate_set & 0x3) << (53 - 32));
+		/* Set exit ramp rate to slow. */
+		msr.hi &= ~(1 << (50 - 32));
+	} else {
+		/* Fast ramp rate / 4. */
+		msr.hi |= (0x01 << (53 - 32));
+		/* Set exit ramp rate to fast. */
+		msr.hi |= (1 << (50 - 32));
+	}
+	/* Set MIN_VID (31:24) to allow CPU to have full control. */
+	msr.lo &= ~0xff000000;
+	msr.lo |= (conf->vr_cpu_min_vid & 0xff) << 24;
+	wrmsr(MSR_VR_MISC_CONFIG, msr);
+
+	/*  Configure VR_MISC_CONFIG2 MSR. */
+	msr = rdmsr(MSR_VR_MISC_CONFIG2);
+	msr.lo &= ~0xffff;
+	/* Allow CPU to control minimum voltage completely (15:8) and
+	 * set the fast ramp voltage in 10mV steps. */
+	if (cpu_family_model() == BROADWELL_FAMILY_ULT)
+		msr.lo |= 0x006a; /* 1.56V */
+	else
+		msr.lo |= 0x006f; /* 1.60V */
+	wrmsr(MSR_VR_MISC_CONFIG2, msr);
+
+	/* Set C9/C10 VCC Min */
+	pcode_mailbox_write(MAILBOX_BIOS_CMD_WRITE_C9C10_VOLTAGE, 0x1f1f);
+}
+
+static void configure_pch_power_sharing(void)
+{
+	u32 pch_power, pch_power_ext, pmsync, pmsync2;
+	int i;
+
+	/* Read PCH Power levels from PCODE */
+	pch_power = pcode_mailbox_read(MAILBOX_BIOS_CMD_READ_PCH_POWER);
+	pch_power_ext = pcode_mailbox_read(MAILBOX_BIOS_CMD_READ_PCH_POWER_EXT);
+
+	printk(BIOS_INFO, "PCH Power: PCODE Levels 0x%08x 0x%08x\n",
+               pch_power, pch_power_ext);
+
+	pmsync = RCBA32(PMSYNC_CONFIG);
+	pmsync2 = RCBA32(PMSYNC_CONFIG2);
+
+	/* Program PMSYNC_TPR_CONFIG PCH power limit values
+	 *  pmsync[0:4]   = mailbox[0:5]
+	 *  pmsync[8:12]  = mailbox[6:11]
+	 *  pmsync[16:20] = mailbox[12:17]
+	 */
+	for (i = 0; i < 3; i++) {
+		u32 level = pch_power & 0x3f;
+		pch_power >>= 6;
+		pmsync &= ~(0x1f << (i * 8));
+		pmsync |= (level & 0x1f) << (i * 8);
+	}
+	RCBA32(PMSYNC_CONFIG) = pmsync;
+
+	/* Program PMSYNC_TPR_CONFIG2 Extended PCH power limit values
+	 *  pmsync2[0:4]   = mailbox[23:18]
+	 *  pmsync2[8:12]  = mailbox_ext[6:11]
+	 *  pmsync2[16:20] = mailbox_ext[12:17]
+	 *  pmsync2[24:28] = mailbox_ext[18:22]
+	 */
+	pmsync2 &= ~0x1f;
+	pmsync2 |= pch_power & 0x1f;
+
+	for (i = 1; i < 4; i++) {
+		u32 level = pch_power_ext & 0x3f;
+		pch_power_ext >>= 6;
+		pmsync2 &= ~(0x1f << (i * 8));
+		pmsync2 |= (level & 0x1f) << (i * 8);
+	}
+	RCBA32(PMSYNC_CONFIG2) = pmsync2;
+}
+
+int cpu_config_tdp_levels(void)
+{
+	msr_t platform_info;
+
+	/* Bits 34:33 indicate how many levels supported */
+	platform_info = rdmsr(MSR_PLATFORM_INFO);
+	return (platform_info.hi >> 1) & 3;
+}
+
+/*
+ * Configure processor power limits if possible
+ * This must be done AFTER set of BIOS_RESET_CPL
+ */
+void set_power_limits(u8 power_limit_1_time)
+{
+	msr_t msr = rdmsr(MSR_PLATFORM_INFO);
+	msr_t limit;
+	unsigned power_unit;
+	unsigned tdp, min_power, max_power, max_time;
+	u8 power_limit_1_val;
+
+	if (power_limit_1_time > ARRAY_SIZE(power_limit_time_sec_to_msr))
+		power_limit_1_time = 28;
+
+	if (!(msr.lo & PLATFORM_INFO_SET_TDP))
+		return;
+
+	/* Get units */
+	msr = rdmsr(MSR_PKG_POWER_SKU_UNIT);
+	power_unit = 2 << ((msr.lo & 0xf) - 1);
+
+	/* Get power defaults for this SKU */
+	msr = rdmsr(MSR_PKG_POWER_SKU);
+	tdp = msr.lo & 0x7fff;
+	min_power = (msr.lo >> 16) & 0x7fff;
+	max_power = msr.hi & 0x7fff;
+	max_time = (msr.hi >> 16) & 0x7f;
+
+	printk(BIOS_DEBUG, "CPU TDP: %u Watts\n", tdp / power_unit);
+
+	if (power_limit_time_msr_to_sec[max_time] > power_limit_1_time)
+		power_limit_1_time = power_limit_time_msr_to_sec[max_time];
+
+	if (min_power > 0 && tdp < min_power)
+		tdp = min_power;
+
+	if (max_power > 0 && tdp > max_power)
+		tdp = max_power;
+
+	power_limit_1_val = power_limit_time_sec_to_msr[power_limit_1_time];
+
+	/* Set long term power limit to TDP */
+	limit.lo = 0;
+	limit.lo |= tdp & PKG_POWER_LIMIT_MASK;
+	limit.lo |= PKG_POWER_LIMIT_EN;
+	limit.lo |= (power_limit_1_val & PKG_POWER_LIMIT_TIME_MASK) <<
+		PKG_POWER_LIMIT_TIME_SHIFT;
+
+	/* Set short term power limit to 1.25 * TDP */
+	limit.hi = 0;
+	limit.hi |= ((tdp * 125) / 100) & PKG_POWER_LIMIT_MASK;
+	limit.hi |= PKG_POWER_LIMIT_EN;
+	/* Power limit 2 time is only programmable on server SKU */
+
+	wrmsr(MSR_PKG_POWER_LIMIT, limit);
+
+	/* Set power limit values in MCHBAR as well */
+	MCHBAR32(MCH_PKG_POWER_LIMIT_LO) = limit.lo;
+	MCHBAR32(MCH_PKG_POWER_LIMIT_HI) = limit.hi;
+
+	/* Set DDR RAPL power limit by copying from MMIO to MSR */
+	msr.lo = MCHBAR32(MCH_DDR_POWER_LIMIT_LO);
+	msr.hi = MCHBAR32(MCH_DDR_POWER_LIMIT_HI);
+	wrmsr(MSR_DDR_RAPL_LIMIT, msr);
+
+	/* Use nominal TDP values for CPUs with configurable TDP */
+	if (cpu_config_tdp_levels()) {
+		msr = rdmsr(MSR_CONFIG_TDP_NOMINAL);
+		limit.hi = 0;
+		limit.lo = msr.lo & 0xff;
+		wrmsr(MSR_TURBO_ACTIVATION_RATIO, limit);
+	}
+}
+
+static void configure_c_states(void)
+{
+	msr_t msr;
+
+	msr = rdmsr(MSR_PMG_CST_CONFIG_CONTROL);
+	msr.lo |= (1 << 31);	// Timed MWAIT Enable
+	msr.lo |= (1 << 30);	// Package c-state Undemotion Enable
+	msr.lo |= (1 << 29);	// Package c-state Demotion Enable
+	msr.lo |= (1 << 28);	// C1 Auto Undemotion Enable
+	msr.lo |= (1 << 27);	// C3 Auto Undemotion Enable
+	msr.lo |= (1 << 26);	// C1 Auto Demotion Enable
+	msr.lo |= (1 << 25);	// C3 Auto Demotion Enable
+	msr.lo &= ~(1 << 10);	// Disable IO MWAIT redirection
+	/* The deepest package c-state defaults to factory-configured value. */
+	wrmsr(MSR_PMG_CST_CONFIG_CONTROL, msr);
+
+	msr = rdmsr(MSR_MISC_PWR_MGMT);
+	msr.lo &= ~(1 << 0);	// Enable P-state HW_ALL coordination
+	wrmsr(MSR_MISC_PWR_MGMT, msr);
+
+	msr = rdmsr(MSR_POWER_CTL);
+	msr.lo |= (1 << 18);	// Enable Energy Perf Bias MSR 0x1b0
+	msr.lo |= (1 << 1);	// C1E Enable
+	msr.lo |= (1 << 0);	// Bi-directional PROCHOT#
+	wrmsr(MSR_POWER_CTL, msr);
+
+	/* C-state Interrupt Response Latency Control 0 - package C3 latency */
+	msr.hi = 0;
+	msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_0_LIMIT;
+	wrmsr(MSR_C_STATE_LATENCY_CONTROL_0, msr);
+
+	/* C-state Interrupt Response Latency Control 1 */
+	msr.hi = 0;
+	msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_1_LIMIT;
+	wrmsr(MSR_C_STATE_LATENCY_CONTROL_1, msr);
+
+	/* C-state Interrupt Response Latency Control 2 - package C6/C7 short */
+	msr.hi = 0;
+	msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_2_LIMIT;
+	wrmsr(MSR_C_STATE_LATENCY_CONTROL_2, msr);
+
+	/* C-state Interrupt Response Latency Control 3 - package C8 */
+	msr.hi = 0;
+	msr.lo = IRTL_VALID | IRTL_1024_NS |
+	         C_STATE_LATENCY_CONTROL_3_LIMIT;
+	wrmsr(MSR_C_STATE_LATENCY_CONTROL_3, msr);
+
+	/* C-state Interrupt Response Latency Control 4 - package C9 */
+	msr.hi = 0;
+	msr.lo = IRTL_VALID | IRTL_1024_NS |
+	         C_STATE_LATENCY_CONTROL_4_LIMIT;
+	wrmsr(MSR_C_STATE_LATENCY_CONTROL_4, msr);
+
+	/* C-state Interrupt Response Latency Control 5 - package C10 */
+	msr.hi = 0;
+	msr.lo = IRTL_VALID | IRTL_1024_NS |
+	         C_STATE_LATENCY_CONTROL_5_LIMIT;
+	wrmsr(MSR_C_STATE_LATENCY_CONTROL_5, msr);
+}
+
+static void configure_thermal_target(void)
+{
+	device_t dev = SA_DEV_ROOT;
+	config_t *conf = dev->chip_info;
+	msr_t msr;
+
+	/* Set TCC activation offset if supported */
+	msr = rdmsr(MSR_PLATFORM_INFO);
+	if ((msr.lo & (1 << 30)) && conf->tcc_offset) {
+		msr = rdmsr(MSR_TEMPERATURE_TARGET);
+		msr.lo &= ~(0xf << 24); /* Bits 27:24 */
+		msr.lo |= (conf->tcc_offset & 0xf) << 24;
+		wrmsr(MSR_TEMPERATURE_TARGET, msr);
+	}
+}
+
+static void configure_misc(void)
+{
+	msr_t msr;
+
+	msr = rdmsr(IA32_MISC_ENABLE);
+	msr.lo |= (1 << 0);	  /* Fast String enable */
+	msr.lo |= (1 << 3); 	  /* TM1/TM2/EMTTM enable */
+	msr.lo |= (1 << 16);	  /* Enhanced SpeedStep Enable */
+	wrmsr(IA32_MISC_ENABLE, msr);
+
+	/* Disable Thermal interrupts */
+	msr.lo = 0;
+	msr.hi = 0;
+	wrmsr(IA32_THERM_INTERRUPT, msr);
+
+	/* Enable package critical interrupt only */
+	msr.lo = 1 << 4;
+	msr.hi = 0;
+	wrmsr(IA32_PACKAGE_THERM_INTERRUPT, msr);
+}
+
+static void enable_lapic_tpr(void)
+{
+	msr_t msr;
+
+	msr = rdmsr(MSR_PIC_MSG_CONTROL);
+	msr.lo &= ~(1 << 10);	/* Enable APIC TPR updates */
+	wrmsr(MSR_PIC_MSG_CONTROL, msr);
+}
+
+static void configure_dca_cap(void)
+{
+	struct cpuid_result cpuid_regs;
+	msr_t msr;
+
+	/* Check feature flag in CPUID.(EAX=1):ECX[18]==1 */
+	cpuid_regs = cpuid(1);
+	if (cpuid_regs.ecx & (1 << 18)) {
+		msr = rdmsr(IA32_PLATFORM_DCA_CAP);
+		msr.lo |= 1;
+		wrmsr(IA32_PLATFORM_DCA_CAP, msr);
+	}
+}
+
+static void set_max_ratio(void)
+{
+	msr_t msr, perf_ctl;
+
+	perf_ctl.hi = 0;
+
+	/* Check for configurable TDP option */
+	if (get_turbo_state() == TURBO_ENABLED) {
+		msr = rdmsr(MSR_TURBO_RATIO_LIMIT);
+		perf_ctl.lo = (msr.lo & 0xff) << 8;
+	} else if (cpu_config_tdp_levels()) {
+		/* Set to nominal TDP ratio */
+		msr = rdmsr(MSR_CONFIG_TDP_NOMINAL);
+		perf_ctl.lo = (msr.lo & 0xff) << 8;
+	} else {
+		/* Platform Info bits 15:8 give max ratio */
+		msr = rdmsr(MSR_PLATFORM_INFO);
+		perf_ctl.lo = msr.lo & 0xff00;
+	}
+	wrmsr(IA32_PERF_CTL, perf_ctl);
+
+	printk(BIOS_DEBUG, "cpu: frequency set to %d\n",
+	       ((perf_ctl.lo >> 8) & 0xff) * CPU_BCLK);
+}
+
+static void set_energy_perf_bias(u8 policy)
+{
+	msr_t msr;
+	int ecx;
+
+	/* Determine if energy efficient policy is supported. */
+	ecx = cpuid_ecx(0x6);
+	if (!(ecx & (1 << 3)))
+		return;
+
+	/* Energy Policy is bits 3:0 */
+	msr = rdmsr(IA32_ENERGY_PERFORMANCE_BIAS);
+	msr.lo &= ~0xf;
+	msr.lo |= policy & 0xf;
+	wrmsr(IA32_ENERGY_PERFORMANCE_BIAS, msr);
+
+	printk(BIOS_DEBUG, "cpu: energy policy set to %u\n", policy);
+}
+
+static void configure_mca(void)
+{
+	msr_t msr;
+	const unsigned int mcg_cap_msr = 0x179;
+	int i;
+	int num_banks;
+
+	msr = rdmsr(mcg_cap_msr);
+	num_banks = msr.lo & 0xff;
+	msr.lo = msr.hi = 0;
+	/* TODO(adurbin): This should only be done on a cold boot. Also, some
+	 * of these banks are core vs package scope. For now every CPU clears
+	 * every bank. */
+	for (i = 0; i < num_banks; i++)
+		wrmsr(IA32_MC0_STATUS + (i * 4), msr);
+}
+
+#if CONFIG_USBDEBUG
+static unsigned ehci_debug_addr;
+#endif
+
+static void bsp_init_before_ap_bringup(struct bus *cpu_bus)
+{
+#if CONFIG_USBDEBUG
+	if(!ehci_debug_addr)
+		ehci_debug_addr = get_ehci_debug();
+	set_ehci_debug(0);
+#endif
+
+	/* Setup MTRRs based on physical address size. */
+	x86_setup_fixed_mtrrs();
+	x86_setup_var_mtrrs(cpuid_eax(0x80000008) & 0xff, 2);
+	x86_mtrr_check();
+
+#if CONFIG_USBDEBUG
+	set_ehci_debug(ehci_debug_addr);
+#endif
+
+	initialize_vr_config();
+	calibrate_24mhz_bclk();
+	configure_pch_power_sharing();
+}
+
+/* All CPUs including BSP will run the following function. */
+static void cpu_core_init(device_t cpu)
+{
+	/* Clear out pending MCEs */
+	configure_mca();
+
+	/* Enable the local cpu apics */
+	enable_lapic_tpr();
+	setup_lapic();
+
+	/* Configure C States */
+	configure_c_states();
+
+	/* Configure Enhanced SpeedStep and Thermal Sensors */
+	configure_misc();
+
+	/* Thermal throttle activation offset */
+	configure_thermal_target();
+
+	/* Enable Direct Cache Access */
+	configure_dca_cap();
+
+	/* Set energy policy */
+	set_energy_perf_bias(ENERGY_POLICY_NORMAL);
+
+	/* Enable Turbo */
+	enable_turbo();
+}
+
+/* MP initialization support. */
+static const void *microcode_patch;
+int ht_disabled;
+
+static int adjust_apic_id_ht_disabled(int index, int apic_id)
+{
+	return 2 * index;
+}
+
+static void relocate_and_load_microcode(void *unused)
+{
+	/* Relocate the SMM handler. */
+	smm_relocate();
+
+	/* After SMM relocation a 2nd microcode load is required. */
+	intel_microcode_load_unlocked(microcode_patch);
+}
+
+static void enable_smis(void *unused)
+{
+	/* Now that all APs have been relocated as well as the BSP let SMIs
+	 * start flowing. */
+	southbridge_smm_enable_smi();
+
+	/* Lock down the SMRAM space. */
+	smm_lock();
+}
+
+static struct mp_flight_record mp_steps[] = {
+	MP_FR_NOBLOCK_APS(relocate_and_load_microcode, NULL,
+	                  relocate_and_load_microcode, NULL),
+	MP_FR_BLOCK_APS(mp_initialize_cpu, NULL, mp_initialize_cpu, NULL),
+	/* Wait for APs to finish initialization before proceeding. */
+	MP_FR_BLOCK_APS(NULL, NULL, enable_smis, NULL),
+};
+
+static struct device_operations cpu_dev_ops = {
+	.init = cpu_core_init,
+};
+
+static struct cpu_device_id cpu_table[] = {
+	{ X86_VENDOR_INTEL, CPUID_HASWELL_ULT },
+	{ X86_VENDOR_INTEL, CPUID_BROADWELL_C0 },
+	{ X86_VENDOR_INTEL, CPUID_BROADWELL_D0 },
+	{ X86_VENDOR_INTEL, CPUID_BROADWELL_E0 },
+	{ 0, 0 },
+};
+
+static const struct cpu_driver driver __cpu_driver = {
+	.ops      = &cpu_dev_ops,
+	.id_table = cpu_table,
+};
+
+void broadwell_init_cpus(device_t dev)
+{
+	struct bus *cpu_bus = dev->link_list;
+	int num_threads;
+	int num_cores;
+	msr_t msr;
+	struct mp_params mp_params;
+	void *smm_save_area;
+
+	msr = rdmsr(CORE_THREAD_COUNT_MSR);
+	num_threads = (msr.lo >> 0) & 0xffff;
+	num_cores = (msr.lo >> 16) & 0xffff;
+	printk(BIOS_DEBUG, "CPU has %u cores, %u threads enabled.\n",
+	       num_cores, num_threads);
+
+	ht_disabled = num_threads == num_cores;
+
+	/* Perform any necessary BSP initialization before APs are brought up.
+	 * This call also allows the BSP to prepare for any secondary effects
+	 * from calling cpu_initialize() such as smm_init(). */
+	bsp_init_before_ap_bringup(cpu_bus);
+
+	microcode_patch = intel_microcode_find();
+
+	/* Save default SMM area before relocation occurs. */
+	smm_save_area = backup_default_smm_area();
+
+	mp_params.num_cpus = num_threads;
+	mp_params.parallel_microcode_load = 1;
+	if (ht_disabled)
+		mp_params.adjust_apic_id = adjust_apic_id_ht_disabled;
+	else
+		mp_params.adjust_apic_id = NULL;
+	mp_params.flight_plan = &mp_steps[0];
+	mp_params.num_records = ARRAY_SIZE(mp_steps);
+	mp_params.microcode_pointer = microcode_patch;
+
+	/* Load relocation and permanent handlers. Then initiate relocation. */
+	if (smm_initialize())
+		printk(BIOS_CRIT, "SMM initialization failed...\n");
+
+	if (mp_init(cpu_bus, &mp_params)) {
+		printk(BIOS_ERR, "MP initialization failure.\n");
+	}
+
+	/* Set Max Ratio */
+	set_max_ratio();
+
+	/* Restore the default SMM region. */
+	restore_default_smm_area(smm_save_area);
+}
diff --git a/src/soc/intel/skylake/cpu_info.c b/src/soc/intel/skylake/cpu_info.c
new file mode 100644
index 0000000..72667ac
--- /dev/null
+++ b/src/soc/intel/skylake/cpu_info.c
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <cpu/cpu.h>
+#include <cpu/x86/msr.h>
+#include <soc/cpu.h>
+#include <soc/msr.h>
+#include <soc/systemagent.h>
+
+u32 cpu_family_model(void)
+{
+	return cpuid_eax(1) & 0x0fff0ff0;
+}
+
+u32 cpu_stepping(void)
+{
+	return cpuid_eax(1) & 0xf;
+}
+
+/* Dynamically determine if the part is ULT. */
+int cpu_is_ult(void)
+{
+	static int ult = -1;
+
+	if (ult < 0) {
+		u32 fm = cpu_family_model();
+		if (fm == BROADWELL_FAMILY_ULT || fm == HASWELL_FAMILY_ULT)
+			ult = 1;
+		else
+			ult = 0;
+	}
+
+	return ult;
+}
diff --git a/src/soc/intel/skylake/ehci.c b/src/soc/intel/skylake/ehci.c
new file mode 100644
index 0000000..3073a54
--- /dev/null
+++ b/src/soc/intel/skylake/ehci.c
@@ -0,0 +1,103 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <delay.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <arch/io.h>
+#include <soc/ehci.h>
+#include <soc/pch.h>
+
+static void usb_ehci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	u8 access_cntl;
+
+	access_cntl = pci_read_config8(dev, 0x80);
+
+	/* Enable writes to protected registers. */
+	pci_write_config8(dev, 0x80, access_cntl | 1);
+
+	if (!vendor || !device) {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				pci_read_config32(dev, PCI_VENDOR_ID));
+	} else {
+		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+				((device & 0xffff) << 16) | (vendor & 0xffff));
+	}
+
+	/* Restore protection. */
+	pci_write_config8(dev, 0x80, access_cntl);
+}
+
+static void usb_ehci_set_resources(struct device *dev)
+{
+#if CONFIG_USBDEBUG
+	struct resource *res;
+	u32 base;
+	u32 usb_debug;
+
+	usb_debug = get_ehci_debug();
+	set_ehci_debug(0);
+#endif
+	pci_dev_set_resources(dev);
+
+#if CONFIG_USBDEBUG
+	res = find_resource(dev, 0x10);
+	set_ehci_debug(usb_debug);
+	if (!res) return;
+	base = res->base;
+	set_ehci_base(base);
+	report_resource_stored(dev, res, "");
+#endif
+}
+
+static void ehci_enable(struct device *dev)
+{
+	if (CONFIG_USBDEBUG)
+		dev->enabled = 1;
+	else
+		pch_disable_devfn(dev);
+}
+
+static struct pci_operations ehci_ops_pci = {
+	.set_subsystem	= &usb_ehci_set_subsystem,
+};
+
+static struct device_operations usb_ehci_ops = {
+	.read_resources		= &pci_dev_read_resources,
+	.set_resources		= &usb_ehci_set_resources,
+	.enable_resources	= &pci_dev_enable_resources,
+	.ops_pci		= &ehci_ops_pci,
+	.enable			= &ehci_enable,
+};
+
+static const unsigned short pci_device_ids[] = {
+	0x9c26, /* LynxPoint-LP */
+	0x9ca6, /* WildcatPoint */
+	0
+};
+
+static const struct pci_driver pch_usb_ehci __pci_driver = {
+	.ops	 = &usb_ehci_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};
diff --git a/src/soc/intel/skylake/elog.c b/src/soc/intel/skylake/elog.c
new file mode 100644
index 0000000..8cbc3e7
--- /dev/null
+++ b/src/soc/intel/skylake/elog.c
@@ -0,0 +1,141 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <bootstate.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <stdint.h>
+#include <elog.h>
+#include <soc/lpc.h>
+#include <soc/pm.h>
+
+static void pch_log_gpio_gpe(u32 gpe0_sts, u32 gpe0_en, int start)
+{
+	int i;
+
+	gpe0_sts &= gpe0_en;
+
+	for (i = 0; i <= 31; i++) {
+		if (gpe0_sts & (1 << i))
+			elog_add_event_wake(ELOG_WAKE_SOURCE_GPIO, i + start);
+	}
+}
+
+static void pch_log_wake_source(struct chipset_power_state *ps)
+{
+	/* Power Button */
+	if (ps->pm1_sts & PWRBTN_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_PWRBTN, 0);
+
+	/* RTC */
+	if (ps->pm1_sts & RTC_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_RTC, 0);
+
+	/* PCI Express (TODO: determine wake device) */
+	if (ps->pm1_sts & PCIEXPWAK_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_PCIE, 0);
+
+	/* PME (TODO: determine wake device) */
+	if (ps->gpe0_sts[GPE_STD] & PME_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_PME, 0);
+
+	/* Internal PME (TODO: determine wake device) */
+	if (ps->gpe0_sts[GPE_STD] & PME_B0_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_PME_INTERNAL, 0);
+
+	/* SMBUS Wake */
+	if (ps->gpe0_sts[GPE_STD] & SMB_WAK_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_SMBUS, 0);
+
+	/* GPIO27 */
+	if (ps->gpe0_sts[GPE_STD] & GP27_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_GPIO, 27);
+
+	/* Log GPIO events in set 1-3 */
+	pch_log_gpio_gpe(ps->gpe0_sts[GPE_31_0], ps->gpe0_en[GPE_31_0], 0);
+	pch_log_gpio_gpe(ps->gpe0_sts[GPE_63_32], ps->gpe0_en[GPE_63_32], 32);
+	pch_log_gpio_gpe(ps->gpe0_sts[GPE_94_64], ps->gpe0_en[GPE_94_64], 64);
+}
+
+static void pch_log_power_and_resets(struct chipset_power_state *ps)
+{
+	/* Thermal Trip Status */
+	if (ps->gen_pmcon2 & THERMTRIP_STS)
+		elog_add_event(ELOG_TYPE_THERM_TRIP);
+
+	/* PWR_FLR Power Failure */
+	if (ps->gen_pmcon2 & PWROK_FLR)
+		elog_add_event(ELOG_TYPE_POWER_FAIL);
+
+	/* SUS Well Power Failure */
+	if (ps->gen_pmcon3 & SUS_PWR_FLR)
+		elog_add_event(ELOG_TYPE_SUS_POWER_FAIL);
+
+	/* SYS_PWROK Failure */
+	if (ps->gen_pmcon2 & SYSPWR_FLR)
+		elog_add_event(ELOG_TYPE_SYS_PWROK_FAIL);
+
+	/* PWROK Failure */
+	if (ps->gen_pmcon2 & PWROK_FLR)
+		elog_add_event(ELOG_TYPE_PWROK_FAIL);
+
+	/* TCO Timeout */
+	if (ps->prev_sleep_state != 3 &&
+	    ps->tco2_sts & TCO2_STS_SECOND_TO)
+		elog_add_event(ELOG_TYPE_TCO_RESET);
+
+	/* Power Button Override */
+	if (ps->pm1_sts & PRBTNOR_STS)
+		elog_add_event(ELOG_TYPE_POWER_BUTTON_OVERRIDE);
+
+	/* RTC reset */
+	if (ps->gen_pmcon3 & RTC_BATTERY_DEAD)
+		elog_add_event(ELOG_TYPE_RTC_RESET);
+
+	/* System Reset Status (reset button pushed) */
+	if (ps->gen_pmcon2 & SYSTEM_RESET_STS)
+		elog_add_event(ELOG_TYPE_RESET_BUTTON);
+
+	/* General Reset Status */
+	if (ps->gen_pmcon3 & GEN_RST_STS)
+		elog_add_event(ELOG_TYPE_SYSTEM_RESET);
+
+	/* ACPI Wake Event */
+	if (ps->prev_sleep_state != SLEEP_STATE_S0)
+		elog_add_event_byte(ELOG_TYPE_ACPI_WAKE, ps->prev_sleep_state);
+}
+
+static void pch_log_state(void *unused)
+{
+	struct chipset_power_state *ps = cbmem_find(CBMEM_ID_POWER_STATE);
+
+	if (ps == NULL) {
+		printk(BIOS_ERR, "Not logging power state information. "
+		       "Power state not found in cbmem.\n");
+		return;
+	}
+
+	/* Power and Reset */
+	pch_log_power_and_resets(ps);
+
+	/* Wake Sources */
+	pch_log_wake_source(ps);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_ENTRY, pch_log_state, NULL);
diff --git a/src/soc/intel/skylake/finalize.c b/src/soc/intel/skylake/finalize.c
new file mode 100644
index 0000000..bf5cdcd
--- /dev/null
+++ b/src/soc/intel/skylake/finalize.c
@@ -0,0 +1,126 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <bootstate.h>
+#include <console/console.h>
+#include <console/post_codes.h>
+#include <cpu/x86/smm.h>
+#include <reg_script.h>
+#include <spi-generic.h>
+#include <stdlib.h>
+#include <soc/pci_devs.h>
+#include <soc/lpc.h>
+#include <soc/me.h>
+#include <soc/rcba.h>
+#include <soc/spi.h>
+#include <soc/systemagent.h>
+
+const struct reg_script system_agent_finalize_script[] = {
+	REG_PCI_OR16(0x50, 1 << 0),				/* GGC */
+	REG_PCI_OR32(0x5c, 1 << 0),				/* DPR */
+	REG_PCI_OR32(0x78, 1 << 10),				/* ME */
+	REG_PCI_OR32(0x90, 1 << 0),				/* REMAPBASE */
+	REG_PCI_OR32(0x98, 1 << 0),				/* REMAPLIMIT */
+	REG_PCI_OR32(0xa0, 1 << 0),				/* TOM */
+	REG_PCI_OR32(0xa8, 1 << 0),				/* TOUUD */
+	REG_PCI_OR32(0xb0, 1 << 0),				/* BDSM */
+	REG_PCI_OR32(0xb4, 1 << 0),				/* BGSM */
+	REG_PCI_OR32(0xb8, 1 << 0),				/* TSEGMB */
+	REG_PCI_OR32(0xbc, 1 << 0),				/* TOLUD */
+	REG_MMIO_OR32(MCH_BASE_ADDRESS + 0x5500, 1 << 0),	/* PAVP */
+	REG_MMIO_OR32(MCH_BASE_ADDRESS + 0x5f00, 1 << 31),	/* SA PM */
+	REG_MMIO_OR32(MCH_BASE_ADDRESS + 0x6020, 1 << 0),	/* UMA GFX */
+	REG_MMIO_OR32(MCH_BASE_ADDRESS + 0x63fc, 1 << 0),	/* VTDTRK */
+	REG_MMIO_OR32(MCH_BASE_ADDRESS + 0x6800, 1 << 31),
+	REG_MMIO_OR32(MCH_BASE_ADDRESS + 0x7000, 1 << 31),
+	REG_MMIO_OR32(MCH_BASE_ADDRESS + 0x77fc, 1 << 0),
+	REG_MMIO_OR32(MCH_BASE_ADDRESS + 0x50fc, 0x8f),
+	REG_MMIO_OR32(MCH_BASE_ADDRESS + 0x7ffc, 1 << 0),
+	REG_MMIO_OR32(MCH_BASE_ADDRESS + 0x5880, 1 << 5),
+	REG_MMIO_WRITE8(MCH_BASE_ADDRESS + 0x50fc, 0x8f),	/* MC */
+
+	REG_SCRIPT_END
+};
+
+const struct reg_script pch_finalize_script[] = {
+	/* Set SPI opcode menu */
+	REG_MMIO_WRITE16(RCBA_BASE_ADDRESS + SPIBAR_OFFSET + SPIBAR_PREOP,
+			 SPI_OPPREFIX),
+	REG_MMIO_WRITE16(RCBA_BASE_ADDRESS + SPIBAR_OFFSET + SPIBAR_OPTYPE,
+			 SPI_OPTYPE),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + SPIBAR_OFFSET +
+			 SPIBAR_OPMENU_LOWER, SPI_OPMENU_LOWER),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + SPIBAR_OFFSET +
+			 SPIBAR_OPMENU_UPPER, SPI_OPMENU_UPPER),
+
+	/* Lock SPIBAR */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + SPIBAR_OFFSET + SPIBAR_HSFS,
+		      SPIBAR_HSFS_FLOCKDN),
+
+	/* TC Lockdown */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x0050, (1 << 31)),
+
+	/* BIOS Interface Lockdown */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + GCS, (1 << 0)),
+
+	/* Function Disable SUS Well Lockdown */
+	REG_MMIO_OR8(RCBA_BASE_ADDRESS + FDSW, (1 << 7)),
+
+	/* Global SMI Lock */
+	REG_PCI_OR16(GEN_PMCON_1, SMI_LOCK),
+
+	/* GEN_PMCON Lock */
+	REG_PCI_OR8(GEN_PMCON_LOCK, SLP_STR_POL_LOCK | ACPI_BASE_LOCK),
+
+	/* PMSYNC */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + PMSYNC_CONFIG, (1 << 31)),
+
+
+	REG_SCRIPT_END
+};
+
+static void broadwell_finalize(void *unused)
+{
+	printk(BIOS_DEBUG, "Finalizing chipset.\n");
+
+	reg_script_run_on_dev(SA_DEV_ROOT, system_agent_finalize_script);
+	reg_script_run_on_dev(PCH_DEV_LPC, pch_finalize_script);
+
+	/* Lock */
+	RCBA32_OR(0x3a6c, 0x00000001);
+
+	/* Read+Write the following registers */
+	MCHBAR32(0x6030) = MCHBAR32(0x6030);
+	MCHBAR32(0x6034) = MCHBAR32(0x6034);
+	MCHBAR32(0x6008) = MCHBAR32(0x6008);
+	RCBA32(0x21a4) = RCBA32(0x21a4);
+
+	/* Re-init SPI after lockdown */
+	spi_init();
+
+	printk(BIOS_DEBUG, "Finalizing SMM.\n");
+	outb(APM_CNT_FINALIZE, APM_CNT);
+
+	/* Indicate finalize step with post code */
+	post_code(POST_OS_BOOT);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, broadwell_finalize, NULL);
+BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT, broadwell_finalize, NULL);
diff --git a/src/soc/intel/skylake/gpio.c b/src/soc/intel/skylake/gpio.c
new file mode 100644
index 0000000..dc7d713
--- /dev/null
+++ b/src/soc/intel/skylake/gpio.c
@@ -0,0 +1,199 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <soc/gpio.h>
+#include <soc/iomap.h>
+#include <soc/pm.h>
+
+/*
+ * This function will return a number that indicates which PIRQ
+ * this GPIO maps to.  If this is not a PIRQ capable GPIO then
+ * it will return -1.  The GPIO to PIRQ mapping is not linear.
+ */
+static int gpio_to_pirq(int gpio)
+{
+	switch (gpio) {
+	case 8:  return 0;	/* PIRQI */
+	case 9:  return 1;	/* PIRQJ */
+	case 10: return 2;	/* PIRQK */
+	case 13: return 3;	/* PIRQL */
+	case 14: return 4;	/* PIRQM */
+	case 45: return 5;	/* PIRQN */
+	case 46: return 6;	/* PIRQO */
+	case 47: return 7;	/* PIRQP */
+	case 48: return 8;	/* PIRQQ */
+	case 49: return 9;	/* PIRQR */
+	case 50: return 10;	/* PIRQS */
+	case 51: return 11;	/* PIRQT */
+	case 52: return 12;	/* PIRQU */
+	case 53: return 13;	/* PIRQV */
+	case 54: return 14;	/* PIRQW */
+	case 55: return 15;	/* PIRQX */
+	default: return -1;
+	};
+}
+
+void init_one_gpio(int gpio_num, struct gpio_config *config)
+{
+	u32 owner, route, irqen, reset;
+	int set, bit;
+
+	if (gpio_num > MAX_GPIO_NUMBER || !config)
+		return;
+
+	outl(config->conf0, GPIO_BASE_ADDRESS + GPIO_CONFIG0(gpio_num));
+	outl(config->conf1, GPIO_BASE_ADDRESS + GPIO_CONFIG1(gpio_num));
+
+	/* Determine set and bit based on GPIO number */
+	set = gpio_num >> 5;
+	bit = gpio_num % 32;
+
+	/* Save settings from current GPIO config */
+	owner = inl(GPIO_BASE_ADDRESS + GPIO_OWNER(set));
+	route = inl(GPIO_BASE_ADDRESS + GPIO_ROUTE(set));
+	irqen = inl(GPIO_BASE_ADDRESS + GPIO_IRQ_IE(set));
+	reset = inl(GPIO_BASE_ADDRESS + GPIO_RESET(set));
+
+	owner |= config->owner << bit;
+	route |= config->route << bit;
+	irqen |= config->irqen << bit;
+	reset |= config->reset << bit;
+
+	outl(owner, GPIO_BASE_ADDRESS + GPIO_OWNER(set));
+	outl(route, GPIO_BASE_ADDRESS + GPIO_ROUTE(set));
+	outl(irqen, GPIO_BASE_ADDRESS + GPIO_IRQ_IE(set));
+	outl(reset, GPIO_BASE_ADDRESS + GPIO_RESET(set));
+
+	if (set == 0) {
+		u32 blink = inl(GPIO_BASE_ADDRESS + GPIO_BLINK);
+		blink |= config->blink << bit;
+		outl(blink, GPIO_BASE_ADDRESS + GPIO_BLINK);
+	}
+
+	/* PIRQ to IO-APIC map */
+	if (config->pirq == GPIO_PIRQ_APIC_ROUTE) {
+		u32 pirq2apic = inl(GPIO_BASE_ADDRESS + GPIO_PIRQ_APIC_EN);
+		set = gpio_to_pirq(gpio_num);
+		if (set >= 0) {
+			pirq2apic |= 1 << set;
+			outl(pirq2apic, GPIO_BASE_ADDRESS + GPIO_PIRQ_APIC_EN);
+		}
+	}
+}
+
+void init_gpios(const struct gpio_config config[])
+{
+	const struct gpio_config *entry;
+	u32 owner[3] = {0};
+	u32 route[3] = {0};
+	u32 irqen[3] = {0};
+	u32 reset[3] = {0};
+	u32 blink = 0;
+	u16 pirq2apic = 0;
+	int set, bit, gpio = 0;
+
+	for (entry = config; entry->conf0 != GPIO_LIST_END; entry++, gpio++) {
+		if (gpio > MAX_GPIO_NUMBER)
+			break;
+
+		/* Setup Configuration registers 1 and 2 */
+		outl(entry->conf0, GPIO_BASE_ADDRESS + GPIO_CONFIG0(gpio));
+		outl(entry->conf1, GPIO_BASE_ADDRESS + GPIO_CONFIG1(gpio));
+
+		/* Determine set and bit based on GPIO number */
+		set = gpio >> 5;
+		bit = gpio % 32;
+
+		/* Apply settings to set specific bits */
+		owner[set] |= entry->owner << bit;
+		route[set] |= entry->route << bit;
+		irqen[set] |= entry->irqen << bit;
+		reset[set] |= entry->reset << bit;
+
+		if (set == 0)
+			blink |= entry->blink << bit;
+
+		/* PIRQ to IO-APIC map */
+		if (entry->pirq == GPIO_PIRQ_APIC_ROUTE) {
+			set = gpio_to_pirq(gpio);
+			if (set >= 0)
+				pirq2apic |= 1 << set;
+		}
+	}
+
+	for (set = 0; set <= 2; set++) {
+		outl(owner[set], GPIO_BASE_ADDRESS + GPIO_OWNER(set));
+		outl(route[set], GPIO_BASE_ADDRESS + GPIO_ROUTE(set));
+		outl(irqen[set], GPIO_BASE_ADDRESS + GPIO_IRQ_IE(set));
+		outl(reset[set], GPIO_BASE_ADDRESS + GPIO_RESET(set));
+	}
+
+	outl(blink, GPIO_BASE_ADDRESS + GPIO_BLINK);
+	outl(pirq2apic, GPIO_BASE_ADDRESS + GPIO_PIRQ_APIC_EN);
+}
+
+int get_gpio(int gpio_num)
+{
+	if (gpio_num > MAX_GPIO_NUMBER)
+		return 0;
+
+	return !!(inl(GPIO_BASE_ADDRESS + GPIO_CONFIG0(gpio_num)) & GPI_LEVEL);
+}
+
+/*
+ * get a number comprised of multiple GPIO values. gpio_num_array points to
+ * the array of gpio pin numbers to scan, terminated by -1.
+ */
+unsigned get_gpios(const int *gpio_num_array)
+{
+	int gpio;
+	unsigned bitmask = 1;
+	unsigned vector = 0;
+
+	while (bitmask &&
+	       ((gpio = *gpio_num_array++) != -1)) {
+		if (get_gpio(gpio))
+			vector |= bitmask;
+		bitmask <<= 1;
+	}
+	return vector;
+}
+
+void set_gpio(int gpio_num, int value)
+{
+	u32 conf0;
+
+	if (gpio_num > MAX_GPIO_NUMBER)
+		return;
+
+	conf0 = inl(GPIO_BASE_ADDRESS + GPIO_CONFIG0(gpio_num));
+	conf0 &= ~GPO_LEVEL_MASK;
+	conf0 |= value << GPO_LEVEL_SHIFT;
+	outl(conf0, GPIO_BASE_ADDRESS + GPIO_CONFIG0(gpio_num));
+}
+
+int gpio_is_native(int gpio_num)
+{
+	return !(inl(GPIO_BASE_ADDRESS + GPIO_CONFIG0(gpio_num)) & 1);
+}
diff --git a/src/soc/intel/skylake/hda.c b/src/soc/intel/skylake/hda.c
new file mode 100644
index 0000000..b2992e8
--- /dev/null
+++ b/src/soc/intel/skylake/hda.c
@@ -0,0 +1,181 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <arch/io.h>
+#include <delay.h>
+#include <soc/intel/common/hda_verb.h>
+#include <soc/pch.h>
+#include <soc/ramstage.h>
+#include <soc/rcba.h>
+
+const u32 * cim_verb_data = NULL;
+u32 cim_verb_data_size = 0;
+const u32 * pc_beep_verbs = NULL;
+u32 pc_beep_verbs_size = 0;
+
+static void codecs_init(u8 *base, u32 codec_mask)
+{
+	int i;
+
+	/* Can support up to 4 codecs */
+	for (i = 3; i >= 0; i--) {
+		if (codec_mask & (1 << i))
+			hda_codec_init(base, i,
+				       cim_verb_data_size,
+				       cim_verb_data);
+	}
+
+	if (pc_beep_verbs_size && pc_beep_verbs)
+		hda_codec_write(base, pc_beep_verbs_size, pc_beep_verbs);
+}
+
+static void hda_pch_init(struct device *dev, u8 *base)
+{
+	u8 reg8;
+	u16 reg16;
+	u32 reg32;
+
+	if (RCBA32(0x2030) & (1 << 31)) {
+		reg32 = pci_read_config32(dev, 0x120);
+		reg32 &= 0xf8ffff01;
+		reg32 |= (1 << 25);
+		reg32 |= RCBA32(0x2030) & 0xfe;
+		pci_write_config32(dev, 0x120, reg32);
+	} else
+		printk(BIOS_DEBUG, "HDA: V1CTL disabled.\n");
+
+	reg32 = pci_read_config32(dev, 0x114);
+	reg32 &= ~0xfe;
+	pci_write_config32(dev, 0x114, reg32);
+
+	// Set VCi enable bit
+	if (pci_read_config32(dev, 0x120) & ((1 << 24) |
+					     (1 << 25) | (1 << 26))) {
+		reg32 = pci_read_config32(dev, 0x120);
+		reg32 &= ~(1 << 31);
+		pci_write_config32(dev, 0x120, reg32);
+	}
+
+	/* Additional programming steps */
+	reg32 = pci_read_config32(dev, 0xc4);
+	reg32 |= (1 << 24);
+	pci_write_config32(dev, 0xc4, reg32);
+
+	reg8 = pci_read_config8(dev, 0x40); // Audio Control
+	reg8 |= 1; // Select HDA mode
+	pci_write_config8(dev, 0x40, reg8);
+
+	reg8 = pci_read_config8(dev, 0x4d); // Docking Status
+	reg8 &= ~(1 << 7); // Docking not supported
+	pci_write_config8(dev, 0x4d, reg8);
+
+	reg16 = read32(base + 0x0012);
+	reg16 |= (1 << 0);
+	write32(base + 0x0012, reg16);
+
+	/* disable Auto Voltage Detector */
+	reg8 = pci_read_config8(dev, 0x42);
+	reg8 |= (1 << 2);
+	pci_write_config8(dev, 0x42, reg8);
+}
+
+static void hda_init(struct device *dev)
+{
+	u8 *base;
+	struct resource *res;
+	u32 codec_mask;
+	u32 reg32;
+
+	/* Find base address */
+	res = find_resource(dev, PCI_BASE_ADDRESS_0);
+	if (!res)
+		return;
+
+	base = res2mmio(res, 0, 0);
+	printk(BIOS_DEBUG, "HDA: base = %p\n", base);
+
+	/* Set Bus Master */
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
+
+	hda_pch_init(dev, base);
+
+	codec_mask = hda_codec_detect(base);
+
+	if (codec_mask) {
+		printk(BIOS_DEBUG, "HDA: codec_mask = %02x\n", codec_mask);
+		codecs_init(base, codec_mask);
+	}
+}
+
+static void hda_enable(struct device *dev)
+{
+	u32 reg32;
+	u8 reg8;
+
+	reg8 = pci_read_config8(dev, 0x43);
+	reg8 |= 0x6f;
+	pci_write_config8(dev, 0x43, reg8);
+
+	if (!dev->enabled) {
+		/* Route I/O buffers to ADSP function */
+		reg8 = pci_read_config8(dev, 0x42);
+		reg8 |= (1 << 7) | (1 << 6);
+		pci_write_config8(dev, 0x42, reg8);
+
+		printk(BIOS_INFO, "HDA disabled, I/O buffers routed to ADSP\n");
+
+		/* Ensure memory, io, and bus master are all disabled */
+		reg32 = pci_read_config32(dev, PCI_COMMAND);
+		reg32 &= ~(PCI_COMMAND_MASTER |
+			   PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
+		pci_write_config32(dev, PCI_COMMAND, reg32);
+
+		/* Disable this device */
+		pch_disable_devfn(dev);
+	}
+}
+
+static struct device_operations hda_ops = {
+	.read_resources		= &pci_dev_read_resources,
+	.set_resources		= &pci_dev_set_resources,
+	.enable_resources	= &pci_dev_enable_resources,
+	.init			= &hda_init,
+	.enable			= &hda_enable,
+	.ops_pci		= &broadwell_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = {
+	0x9c20, /* LynxPoint-LP */
+	0x9ca0, /* WildcatPoint */
+	0
+};
+
+static const struct pci_driver pch_hda __pci_driver = {
+	.ops	 = &hda_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};
diff --git a/src/soc/intel/skylake/igd.c b/src/soc/intel/skylake/igd.c
new file mode 100644
index 0000000..86da0a9
--- /dev/null
+++ b/src/soc/intel/skylake/igd.c
@@ -0,0 +1,584 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/acpi.h>
+#include <arch/io.h>
+#include <bootmode.h>
+#include <console/console.h>
+#include <delay.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <stdlib.h>
+#include <string.h>
+#include <reg_script.h>
+#include <drivers/intel/gma/i915_reg.h>
+#include <soc/cpu.h>
+#include <soc/pm.h>
+#include <soc/ramstage.h>
+#include <soc/systemagent.h>
+#include <soc/intel/broadwell/chip.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+#define GT_RETRY 		1000
+#define GT_CDCLK_337		0
+#define GT_CDCLK_450		1
+#define GT_CDCLK_540		2
+#define GT_CDCLK_675		3
+
+struct reg_script haswell_early_init_script[] = {
+	/* Enable Force Wake */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa180, 0x00000020),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010001),
+	REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 1, GT_RETRY),
+
+	/* Enable Counters */
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa248, 0x00000016),
+
+	/* GFXPAUSE settings */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa000, 0x00070020),
+
+	/* ECO Settings */
+	REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0xa180, 0xff3fffff, 0x15000000),
+
+	/* Enable DOP Clock Gating */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9424, 0x000003fd),
+
+	/* Enable Unit Level Clock Gating */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9400, 0x00000080),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9404, 0x40401000),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9408, 0x00000000),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x940c, 0x02000001),
+
+	/*
+	 * RC6 Settings
+	 */
+
+	/* Wake Rate Limits */
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa090, 0x00000000),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa098, 0x03e80000),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa09c, 0x00280000),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0a8, 0x0001e848),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0ac, 0x00000019),
+
+	/* Render/Video/Blitter Idle Max Count */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x02054, 0x0000000a),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x12054, 0x0000000a),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x22054, 0x0000000a),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1a054, 0x0000000a),
+
+	/* RC Sleep / RCx Thresholds */
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0b0, 0x00000000),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0b4, 0x000003e8),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0b8, 0x0000c350),
+
+	/* RP Settings */
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa010, 0x000f4240),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa014, 0x12060000),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa02c, 0x0000e808),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa030, 0x0003bd08),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa068, 0x000101d0),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa06c, 0x00055730),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa070, 0x0000000a),
+
+	/* RP Control */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa024, 0x00000b92),
+
+	/* HW RC6 Control */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa090, 0x88040000),
+
+	/* Video Frequency Request */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa00c, 0x08000000),
+
+	/* Set RC6 VIDs */
+	REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138128, 0),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138124, 0x80000004),
+	REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY),
+
+	/* Enable PM Interrupts */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x4402c, 0x03000076),
+
+	/* Enable RC6 in idle */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa094, 0x00040000),
+
+	REG_SCRIPT_END
+};
+
+static const struct reg_script haswell_late_init_script[] = {
+	/* Lock settings */
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a248, (1 << 31)),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a004, (1 << 4)),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a080, (1 << 2)),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a180, (1 << 31)),
+
+	/* Disable Force Wake */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010000),
+	REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 0, GT_RETRY),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00000001),
+
+	/* Enable power well for DP and Audio */
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x45400, (1 << 31)),
+	REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x45400,
+		       (1 << 30), (1 << 30), GT_RETRY),
+
+	REG_SCRIPT_END
+};
+
+static const struct reg_script broadwell_early_init_script[] = {
+	/* Enable Force Wake */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010001),
+	REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 1, GT_RETRY),
+
+	/* Enable push bus metric control and shift */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa248, 0x00000004),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa250, 0x000000ff),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa25c, 0x00000010),
+
+	/* GFXPAUSE settings (set based on stepping) */
+
+	/* ECO Settings */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa180, 0x45200000),
+
+	/* Enable DOP Clock Gating */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9424, 0x000000fd),
+
+	/* Enable Unit Level Clock Gating */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9400, 0x00000000),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9404, 0x40401000),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9408, 0x00000000),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x940c, 0x02000001),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1a054, 0x0000000a),
+
+	/* Video Frequency Request */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa00c, 0x08000000),
+
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138158, 0x00000009),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x13815c, 0x0000000d),
+
+	/*
+	 * RC6 Settings
+	 */
+
+	/* Wake Rate Limits */
+	REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x0a090, 0, 0),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a098, 0x03e80000),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a09c, 0x00280000),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0a8, 0x0001e848),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0ac, 0x00000019),
+
+	/* Render/Video/Blitter Idle Max Count */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x02054, 0x0000000a),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x12054, 0x0000000a),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x22054, 0x0000000a),
+
+	/* RC Sleep / RCx Thresholds */
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0b0, 0x00000000),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0b8, 0x00000271),
+
+	/* RP Settings */
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a010, 0x000f4240),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a014, 0x12060000),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a02c, 0x0000e808),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a030, 0x0003bd08),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a068, 0x000101d0),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a06c, 0x00055730),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a070, 0x0000000a),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a168, 0x00000006),
+
+	/* RP Control */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa024, 0x00000b92),
+
+	/* HW RC6 Control */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa090, 0x90040000),
+
+	/* Set RC6 VIDs */
+	REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138128, 0),
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138124, 0x80000004),
+	REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY),
+
+	/* Enable PM Interrupts */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x4402c, 0x03000076),
+
+	/* Enable RC6 in idle */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa094, 0x00040000),
+
+	REG_SCRIPT_END
+};
+
+static const struct reg_script broadwell_late_init_script[] = {
+	/* Lock settings */
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a248, (1 << 31)),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a000, (1 << 18)),
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a180, (1 << 31)),
+
+	/* Disable Force Wake */
+	REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010000),
+	REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 0, GT_RETRY),
+
+	/* Enable power well for DP and Audio */
+	REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x45400, (1 << 31)),
+	REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x45400,
+		       (1 << 30), (1 << 30), GT_RETRY),
+
+	REG_SCRIPT_END
+};
+
+u32 map_oprom_vendev(u32 vendev)
+{
+	return SA_IGD_OPROM_VENDEV;
+}
+
+static struct resource *gtt_res = NULL;
+
+static unsigned long gtt_read(unsigned long reg)
+{
+	u32 val;
+	val = read32(res2mmio(gtt_res, reg, 0));
+	return val;
+
+}
+
+static void gtt_write(unsigned long reg, unsigned long data)
+{
+	write32(res2mmio(gtt_res, reg, 0), data);
+}
+
+static inline void gtt_rmw(u32 reg, u32 andmask, u32 ormask)
+{
+	u32 val = gtt_read(reg);
+	val &= andmask;
+	val |= ormask;
+	gtt_write(reg, val);
+}
+
+static int gtt_poll(u32 reg, u32 mask, u32 value)
+{
+	unsigned try = GT_RETRY;
+	u32 data;
+
+	while (try--) {
+		data = gtt_read(reg);
+		if ((data & mask) == value)
+			return 1;
+		udelay(10);
+	}
+
+	printk(BIOS_ERR, "GT init timeout\n");
+	return 0;
+}
+
+static void igd_setup_panel(struct device *dev)
+{
+	config_t *conf = dev->chip_info;
+	u32 reg32;
+
+	/* Setup Digital Port Hotplug */
+	reg32 = gtt_read(PCH_PORT_HOTPLUG);
+	if (!reg32) {
+		reg32 = (conf->gpu_dp_b_hotplug & 0x7) << 2;
+		reg32 |= (conf->gpu_dp_c_hotplug & 0x7) << 10;
+		reg32 |= (conf->gpu_dp_d_hotplug & 0x7) << 18;
+		gtt_write(PCH_PORT_HOTPLUG, reg32);
+	}
+
+	/* Setup Panel Power On Delays */
+	reg32 = gtt_read(PCH_PP_ON_DELAYS);
+	if (!reg32) {
+		reg32 = (conf->gpu_panel_port_select & 0x3) << 30;
+		reg32 |= (conf->gpu_panel_power_up_delay & 0x1fff) << 16;
+		reg32 |= (conf->gpu_panel_power_backlight_on_delay & 0x1fff);
+		gtt_write(PCH_PP_ON_DELAYS, reg32);
+	}
+
+	/* Setup Panel Power Off Delays */
+	reg32 = gtt_read(PCH_PP_OFF_DELAYS);
+	if (!reg32) {
+		reg32 = (conf->gpu_panel_power_down_delay & 0x1fff) << 16;
+		reg32 |= (conf->gpu_panel_power_backlight_off_delay & 0x1fff);
+		gtt_write(PCH_PP_OFF_DELAYS, reg32);
+	}
+
+	/* Setup Panel Power Cycle Delay */
+	if (conf->gpu_panel_power_cycle_delay) {
+		reg32 = gtt_read(PCH_PP_DIVISOR);
+		reg32 &= ~0xff;
+		reg32 |= conf->gpu_panel_power_cycle_delay & 0xff;
+		gtt_write(PCH_PP_DIVISOR, reg32);
+	}
+
+	/* Enable Backlight if needed */
+	if (conf->gpu_cpu_backlight) {
+		gtt_write(BLC_PWM_CPU_CTL2, BLC_PWM2_ENABLE);
+		gtt_write(BLC_PWM_CPU_CTL, conf->gpu_cpu_backlight);
+	}
+	if (conf->gpu_pch_backlight) {
+		gtt_write(BLC_PWM_PCH_CTL1, BLM_PCH_PWM_ENABLE);
+		gtt_write(BLC_PWM_PCH_CTL2, conf->gpu_pch_backlight);
+	}
+}
+
+static void igd_cdclk_init_haswell(struct device *dev)
+{
+	config_t *conf = dev->chip_info;
+	int cdclk = conf->cdclk;
+	int devid = pci_read_config16(dev, PCI_DEVICE_ID);
+	int gpu_is_ulx = 0;
+	u32 dpdiv, lpcll;
+
+	/* Check for ULX GT1 or GT2 */
+	if (devid == 0x0a0e || devid == 0x0a1e)
+		gpu_is_ulx = 1;
+
+	/* 675MHz is not supported on haswell */
+	if (cdclk == GT_CDCLK_675)
+		cdclk = GT_CDCLK_337;
+
+	/* If CD clock is fixed or ULT then set to 450MHz */
+	if ((gtt_read(0x42014) & 0x1000000) || cpu_is_ult())
+		cdclk = GT_CDCLK_450;
+
+	/* 540MHz is not supported on ULX */
+	if (gpu_is_ulx && cdclk == GT_CDCLK_540)
+		cdclk = GT_CDCLK_337;
+
+	/* 337.5MHz is not supported on non-ULT/ULX */
+	if (!gpu_is_ulx && !cpu_is_ult() && cdclk == GT_CDCLK_337)
+		cdclk = GT_CDCLK_450;
+
+	/* Set variables based on CD Clock setting */
+	switch (cdclk) {
+	case GT_CDCLK_337:
+		dpdiv = 169;
+		lpcll = (1 << 26);
+		break;
+	case GT_CDCLK_450:
+		dpdiv = 225;
+		lpcll = 0;
+		break;
+	case GT_CDCLK_540:
+		dpdiv = 270;
+		lpcll = (1 << 26);
+		break;
+	default:
+		return;
+	}
+
+	/* Set LPCLL_CTL CD Clock Frequency Select */
+	gtt_rmw(0x130040, 0xf3ffffff, lpcll);
+
+	/* ULX: Inform power controller of selected frequency */
+	if (gpu_is_ulx) {
+		if (cdclk == GT_CDCLK_450)
+			gtt_write(0x138128, 0x00000000); /* 450MHz */
+		else
+			gtt_write(0x138128, 0x00000001); /* 337.5MHz */
+		gtt_write(0x13812c, 0x00000000);
+		gtt_write(0x138124, 0x80000017);
+	}
+
+	/* Set CPU DP AUX 2X bit clock dividers */
+	gtt_rmw(0x64010, 0xfffff800, dpdiv);
+	gtt_rmw(0x64810, 0xfffff800, dpdiv);
+}
+
+static void igd_cdclk_init_broadwell(struct device *dev)
+{
+	config_t *conf = dev->chip_info;
+	int cdclk = conf->cdclk;
+	u32 dpdiv, lpcll, pwctl, cdset;
+
+	/* Inform power controller of upcoming frequency change */
+	gtt_write(0x138128, 0);
+	gtt_write(0x13812c, 0);
+	gtt_write(0x138124, 0x80000018);
+
+	/* Poll GT driver mailbox for run/busy clear */
+	if (!gtt_poll(0x138124, (1 << 31), (0 << 31)))
+		cdclk = GT_CDCLK_450;
+
+	if (gtt_read(0x42014) & 0x1000000) {
+		/* If CD clock is fixed then set to 450MHz */
+		cdclk = GT_CDCLK_450;
+	} else {
+		/* Program CD clock to highest supported freq */
+		if (cpu_is_ult())
+			cdclk = GT_CDCLK_540;
+		else
+			cdclk = GT_CDCLK_675;
+	}
+
+	/* CD clock frequency 675MHz not supported on ULT */
+	if (cpu_is_ult() && cdclk == GT_CDCLK_675)
+		cdclk = GT_CDCLK_540;
+
+	/* Set variables based on CD Clock setting */
+	switch (cdclk) {
+	case GT_CDCLK_337:
+		cdset = 337;
+		lpcll = (1 << 27);
+		pwctl = 2;
+		dpdiv = 169;
+		break;
+	case GT_CDCLK_450:
+		cdset = 449;
+		lpcll = 0;
+		pwctl = 0;
+		dpdiv = 225;
+		break;
+	case GT_CDCLK_540:
+		cdset = 539;
+		lpcll = (1 << 26);
+		pwctl = 1;
+		dpdiv = 270;
+		break;
+	case GT_CDCLK_675:
+		cdset = 674;
+		lpcll = (1 << 26) | (1 << 27);
+		pwctl = 3;
+		dpdiv = 338;
+	default:
+		return;
+	}
+
+	/* Set LPCLL_CTL CD Clock Frequency Select */
+	gtt_rmw(0x130040, 0xf3ffffff, lpcll);
+
+	/* Inform power controller of selected frequency */
+	gtt_write(0x138128, pwctl);
+	gtt_write(0x13812c, 0);
+	gtt_write(0x138124, 0x80000017);
+
+	/* Program CD Clock Frequency */
+	gtt_rmw(0x46200, 0xfffffc00, cdset);
+
+	/* Set CPU DP AUX 2X bit clock dividers */
+	gtt_rmw(0x64010, 0xfffff800, dpdiv);
+	gtt_rmw(0x64810, 0xfffff800, dpdiv);
+}
+
+static void igd_init(struct device *dev)
+{
+	int is_broadwell = !!(cpu_family_model() == BROADWELL_FAMILY_ULT);
+	u32 rp1_gfx_freq;
+
+	/* IGD needs to be Bus Master */
+	u32 reg32 = pci_read_config32(dev, PCI_COMMAND);
+	reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
+	pci_write_config32(dev, PCI_COMMAND, reg32);
+
+	gtt_res = find_resource(dev, PCI_BASE_ADDRESS_0);
+	if (!gtt_res || !gtt_res->base)
+		return;
+
+	/* Wait for any configured pre-graphics delay */
+	if (acpi_slp_type != SLEEP_STATE_S3) {
+#if IS_ENABLED(CONFIG_CHROMEOS)
+		if (developer_mode_enabled() || recovery_mode_enabled() ||
+		    vboot_wants_oprom())
+			mdelay(CONFIG_PRE_GRAPHICS_DELAY);
+#else
+		mdelay(CONFIG_PRE_GRAPHICS_DELAY);
+#endif
+	}
+
+	/* Early init steps */
+	if (is_broadwell) {
+		reg_script_run_on_dev(dev, broadwell_early_init_script);
+
+		/* Set GFXPAUSE based on stepping */
+		if (cpu_stepping() <= (CPUID_BROADWELL_E0 & 0xf) &&
+		    systemagent_revision() <= 9) {
+			gtt_write(0xa000, 0x300ff);
+		} else {
+			gtt_write(0xa000, 0x30020);
+		}
+	} else {
+		reg_script_run_on_dev(dev, haswell_early_init_script);
+	}
+
+	/* Set RP1 graphics frequency */
+	rp1_gfx_freq = (MCHBAR32(0x5998) >> 8) & 0xff;
+	gtt_write(0xa008, rp1_gfx_freq << 24);
+
+	/* Post VBIOS panel setup */
+	igd_setup_panel(dev);
+
+	/* Initialize PCI device, load/execute BIOS Option ROM */
+	pci_dev_init(dev);
+
+	/* Late init steps */
+	if (is_broadwell) {
+		igd_cdclk_init_broadwell(dev);
+		reg_script_run_on_dev(dev, broadwell_late_init_script);
+	} else {
+		igd_cdclk_init_haswell(dev);
+		reg_script_run_on_dev(dev, haswell_late_init_script);
+	}
+
+	if (gfx_get_init_done()) {
+		/*
+		 * Work around VBIOS issue that is not clearing first 64
+		 * bytes of the framebuffer during VBE mode set.
+		 */
+		struct resource *fb = find_resource(dev, PCI_BASE_ADDRESS_2);
+		memset((void *)((u32)fb->base), 0, 64);
+	}
+
+	if (!gfx_get_init_done() && acpi_slp_type != 3) {
+		/*
+		 * Enable DDI-A if the Option ROM did not execute:
+		 *
+		 * bit 0: Display detected (RO)
+		 * bit 4: DDI A supports 4 lanes and DDI E is not used
+		 * bit 7: DDI buffer is idle
+		 */
+		gtt_write(DDI_BUF_CTL_A, DDI_BUF_IS_IDLE | DDI_A_4_LANES |
+			  DDI_INIT_DISPLAY_DETECTED);
+	}
+}
+
+static struct device_operations igd_ops = {
+	.read_resources		= &pci_dev_read_resources,
+	.set_resources		= &pci_dev_set_resources,
+	.enable_resources	= &pci_dev_enable_resources,
+	.init			= &igd_init,
+	.ops_pci		= &broadwell_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = {
+	IGD_HASWELL_ULT_GT1,
+	IGD_HASWELL_ULT_GT2,
+	IGD_HASWELL_ULT_GT3,
+	IGD_BROADWELL_U_GT1,
+	IGD_BROADWELL_U_GT2,
+	IGD_BROADWELL_U_GT3_15W,
+	IGD_BROADWELL_U_GT3_28W,
+	IGD_BROADWELL_Y_GT2,
+	IGD_BROADWELL_H_GT2,
+	IGD_BROADWELL_H_GT3,
+	0,
+};
+
+static const struct pci_driver igd_driver __pci_driver = {
+	.ops	 = &igd_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};
diff --git a/src/soc/intel/skylake/include/soc/acpi.h b/src/soc/intel/skylake/include/soc/acpi.h
new file mode 100644
index 0000000..2b1e77e
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/acpi.h
@@ -0,0 +1,37 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_ACPI_H_
+#define _BROADWELL_ACPI_H_
+
+#include <arch/acpi.h>
+#include <soc/nvs.h>
+
+/* P-state configuration */
+#define PSS_MAX_ENTRIES			8
+#define PSS_RATIO_STEP			2
+#define PSS_LATENCY_TRANSITION		10
+#define PSS_LATENCY_BUSMASTER		10
+
+void acpi_create_intel_hpet(acpi_hpet_t *hpet);
+void acpi_fill_in_fadt(acpi_fadt_t *fadt);
+unsigned long acpi_madt_irq_overrides(unsigned long current);
+void acpi_init_gnvs(global_nvs_t *gnvs);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/adsp.h b/src/soc/intel/skylake/include/soc/adsp.h
new file mode 100644
index 0000000..747a123
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/adsp.h
@@ -0,0 +1,56 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_ADSP_H_
+#define _BROADWELL_ADSP_H_
+
+#define ADSP_PCI_IRQ			23
+#define ADSP_ACPI_IRQ			3
+#define  ADSP_ACPI_IRQEN		(1 << 3)
+
+#define ADSP_SHIM_BASE_LPT		0xe7000
+#define ADSP_SHIM_BASE_WPT		0xfb000
+#define  ADSP_SHIM_LTRC			0xe0
+#define   ADSP_SHIM_LTRC_VALUE		0x3003
+#define  ADSP_SHIM_IMC			0x28
+#define  ADSP_SHIM_IPCD			0x40
+
+#define ADSP_PCI_VDRTCTL0		0xa0
+#define  ADSP_VDRTCTL0_D3PGD_LPT	(1 << 1)
+#define  ADSP_VDRTCTL0_D3PGD_WPT	(1 << 0)
+#define  ADSP_VDRTCTL0_D3SRAMPGD_LPT	(1 << 2)
+#define  ADSP_VDRTCTL0_D3SRAMPGD_WPT	(1 << 1)
+#define ADSP_PCI_VDRTCTL1		0xa4
+#define ADSP_PCI_VDRTCTL2		0xa8
+#define  ADSP_VDRTCTL2_VALUE		0x00000fff
+
+#define ADSP_IOBP_VDLDAT1		0xd7000624
+#define  ADSP_VDLDAT1_VALUE		0x00040100
+#define ADSP_IOBP_VDLDAT2		0xd7000628
+#define  ADSP_IOBP_ACPI_IRQ3		0xd9d8
+#define  ADSP_IOBP_ACPI_IRQ3I		0xd8d9
+#define  ADSP_IOBP_ACPI_IRQ4		0xdbda
+#define ADSP_IOBP_PMCTL			0xd70001e0
+#define  ADSP_PMCTL_VALUE		0x3f
+#define ADSP_IOBP_PCICFGCTL		0xd7000500
+#define  ADSP_PCICFGCTL_PCICD		(1 << 0)
+#define  ADSP_PCICFGCTL_ACPIIE		(1 << 1)
+#define  ADSP_PCICFGCTL_SPCBAD		(1 << 7)
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/cpu.h b/src/soc/intel/skylake/include/soc/cpu.h
new file mode 100644
index 0000000..312532d
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/cpu.h
@@ -0,0 +1,73 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_CPU_H_
+#define _BROADWELL_CPU_H_
+
+#include <arch/cpu.h>
+#include <device/device.h>
+
+/* CPU types */
+#define HASWELL_FAMILY_ULT	0x40650
+#define BROADWELL_FAMILY_ULT	0x306d0
+
+/* Supported CPUIDs */
+#define CPUID_HASWELL_A0	0x306c1
+#define CPUID_HASWELL_B0	0x306c2
+#define CPUID_HASWELL_C0	0x306c3
+#define CPUID_HASWELL_ULT_B0	0x40650
+#define CPUID_HASWELL_ULT	0x40651
+#define CPUID_HASWELL_HALO	0x40661
+#define CPUID_BROADWELL_C0	0x306d2
+#define CPUID_BROADWELL_D0	0x306d3
+#define CPUID_BROADWELL_E0	0x306d4
+
+/* CPU bus clock is fixed at 100MHz */
+#define CPU_BCLK		100
+
+/* Latency times in units of 1024ns. */
+#define C_STATE_LATENCY_CONTROL_0_LIMIT 0x42
+#define C_STATE_LATENCY_CONTROL_1_LIMIT 0x73
+#define C_STATE_LATENCY_CONTROL_2_LIMIT 0x91
+#define C_STATE_LATENCY_CONTROL_3_LIMIT 0xe4
+#define C_STATE_LATENCY_CONTROL_4_LIMIT 0x145
+#define C_STATE_LATENCY_CONTROL_5_LIMIT 0x1ef
+
+#define C_STATE_LATENCY_MICRO_SECONDS(limit, base) \
+	(((1 << ((base)*5)) * (limit)) / 1000)
+#define C_STATE_LATENCY_FROM_LAT_REG(reg) \
+	C_STATE_LATENCY_MICRO_SECONDS(C_STATE_LATENCY_CONTROL_ ##reg## _LIMIT, \
+	                              (IRTL_1024_NS >> 10))
+
+/* Configure power limits for turbo mode */
+void set_power_limits(u8 power_limit_1_time);
+int cpu_config_tdp_levels(void);
+
+/*
+ * Determine if HyperThreading is disabled.
+ * The variable is not valid until setup_ap_init() has been called.
+ */
+extern int ht_disabled;
+
+/* CPU identification */
+u32 cpu_family_model(void);
+u32 cpu_stepping(void);
+int cpu_is_ult(void);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/device_nvs.h b/src/soc/intel/skylake/include/soc/device_nvs.h
new file mode 100644
index 0000000..7dab40d
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/device_nvs.h
@@ -0,0 +1,44 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_DEVICE_NVS_H_
+#define _BROADWELL_DEVICE_NVS_H_
+
+#include <stdint.h>
+
+/* Offset in Global NVS where this structure lives */
+#define DEVICE_NVS_OFFSET	0x1000
+
+#define SIO_NVS_DMA		0
+#define SIO_NVS_I2C0		1
+#define SIO_NVS_I2C1		2
+#define SIO_NVS_SPI0		3
+#define SIO_NVS_SPI1		4
+#define SIO_NVS_UART0		5
+#define SIO_NVS_UART1		6
+#define SIO_NVS_SDIO		7
+#define SIO_NVS_ADSP		8
+
+typedef struct {
+	u8	enable[9];
+	u32	bar0[9];
+	u32	bar1[9];
+} __attribute__((packed)) device_nvs_t;
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/ehci.h b/src/soc/intel/skylake/include/soc/ehci.h
new file mode 100644
index 0000000..44d51ef
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/ehci.h
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_EHCI_H_
+#define _BROADWELL_EHCI_H_
+
+/* EHCI Memory Registers */
+#define EHCI_USB_CMD		0x20
+#define  EHCI_USB_CMD_RUN	(1 << 0)
+#define  EHCI_USB_CMD_PSE	(1 << 4)
+#define  EHCI_USB_CMD_ASE	(1 << 5)
+#define EHCI_PORTSC(port)	(0x64 + (port * 4))
+#define  EHCI_PORTSC_ENABLED	(1 << 2)
+#define  EHCI_PORTSC_SUSPEND	(1 << 7)
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/gpio.h b/src/soc/intel/skylake/include/soc/gpio.h
new file mode 100644
index 0000000..a035975
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/gpio.h
@@ -0,0 +1,192 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_GPIO_H_
+#define _BROADWELL_GPIO_H_
+
+#include <stdint.h>
+
+/* PCH-LP GPIOBASE Registers */
+#define GPIO_OWNER(set)		(0x00 + ((set) * 4))
+#define GPIO_PIRQ_APIC_EN	0x10
+#define GPIO_BLINK		0x18
+#define GPIO_SER_BLINK		0x1c
+#define GPIO_SER_BLINK_CS	0x20
+#define GPIO_SER_BLINK_DATA	0x24
+#define GPIO_ROUTE(set)		(0x30 + ((set) * 4))
+#define GPIO_ALT_GPI_SMI_STS	0x50
+#define GPIO_ALT_GPI_SMI_EN	0x54
+#define GPIO_RESET(set)		(0x60 + ((set) * 4))
+#define GPIO_GLOBAL_CONFIG	0x7c
+#define GPIO_IRQ_IS(set)	(0x80 + ((set) * 4))
+#define GPIO_IRQ_IE(set)	(0x90 + ((set) * 4))
+#define GPIO_CONFIG0(gpio)	(0x100 + ((gpio) * 8))
+#define GPIO_CONFIG1(gpio)	(0x104 + ((gpio) * 8))
+
+#define MAX_GPIO_NUMBER		94 /* zero based */
+#define GPIO_LIST_END		0xffffffff
+
+/* conf0 */
+
+#define GPIO_MODE_NATIVE	(0 << 0)
+#define GPIO_MODE_GPIO		(1 << 0)
+
+#define GPIO_DIR_OUTPUT		(0 << 2)
+#define GPIO_DIR_INPUT		(1 << 2)
+
+#define GPIO_NO_INVERT		(0 << 3)
+#define GPIO_INVERT		(1 << 3)
+
+#define GPIO_IRQ_EDGE		(0 << 4)
+#define GPIO_IRQ_LEVEL		(1 << 4)
+
+#define GPI_LEVEL		(1 << 30)
+
+#define GPIO_OUT_LOW		0
+#define GPIO_OUT_HIGH		1
+#define GPO_LEVEL_SHIFT		31
+#define GPO_LEVEL_MASK		(1 << GPO_LEVEL_SHIFT)
+#define GPO_LEVEL_LOW		(GPIO_OUT_LOW << GPO_LEVEL_SHIFT)
+#define GPO_LEVEL_HIGH		(GPIO_OUT_HIGH << GPO_LEVEL_SHIFT)
+
+/* conf1 */
+
+#define GPIO_PULL_NONE		(0 << 0)
+#define GPIO_PULL_DOWN		(1 << 0)
+#define GPIO_PULL_UP		(2 << 0)
+
+#define GPIO_SENSE_ENABLE	(0 << 2)
+#define GPIO_SENSE_DISABLE	(1 << 2)
+
+/* owner */
+
+#define GPIO_OWNER_ACPI		0
+#define GPIO_OWNER_GPIO		1
+
+/* route */
+
+#define GPIO_ROUTE_SCI		0
+#define GPIO_ROUTE_SMI		1
+
+/* irqen */
+
+#define GPIO_IRQ_DISABLE	0
+#define GPIO_IRQ_ENABLE		1
+
+/* blink */
+
+#define GPO_NO_BLINK		0
+#define GPO_BLINK		1
+
+/* reset */
+
+#define GPIO_RESET_PWROK	0
+#define GPIO_RESET_RSMRST	1
+
+/* pirq route to io-apic */
+
+#define GPIO_PIRQ_APIC_MASK	0
+#define GPIO_PIRQ_APIC_ROUTE	1
+
+#define PCH_GPIO_END \
+	{ .conf0 = GPIO_LIST_END }
+
+#define PCH_GPIO_NATIVE \
+	{ .conf0 = GPIO_MODE_NATIVE }
+
+#define PCH_GPIO_UNUSED \
+	{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_INPUT, \
+	  .owner = GPIO_OWNER_GPIO, \
+	  .conf1 = GPIO_SENSE_DISABLE }
+
+#define PCH_GPIO_ACPI_SCI \
+	{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_INPUT | GPIO_INVERT, \
+	  .owner = GPIO_OWNER_ACPI, \
+	  .route = GPIO_ROUTE_SCI }
+
+#define PCH_GPIO_ACPI_SMI \
+	{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_INPUT | GPIO_INVERT, \
+	  .owner = GPIO_OWNER_ACPI, \
+	  .route = GPIO_ROUTE_SMI }
+
+#define PCH_GPIO_INPUT \
+	{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_INPUT, \
+	  .owner = GPIO_OWNER_GPIO }
+
+#define PCH_GPIO_INPUT_INVERT \
+	{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_INPUT | GPIO_INVERT, \
+	  .owner = GPIO_OWNER_GPIO }
+
+#define PCH_GPIO_IRQ_EDGE \
+	{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_INPUT | GPIO_IRQ_EDGE, \
+	  .owner = GPIO_OWNER_GPIO, \
+	  .irqen = GPIO_IRQ_ENABLE }
+
+#define PCH_GPIO_IRQ_LEVEL \
+	{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_INPUT | GPIO_IRQ_LEVEL, \
+	  .owner = GPIO_OWNER_GPIO, \
+	  .irqen = GPIO_IRQ_ENABLE }
+
+#define PCH_GPIO_PIRQ \
+	{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_INPUT, \
+	  .owner = GPIO_OWNER_GPIO, \
+	  .pirq  = GPIO_PIRQ_APIC_ROUTE }
+
+#define PCH_GPIO_OUT_HIGH \
+	{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_OUTPUT | GPO_LEVEL_HIGH, \
+	  .owner = GPIO_OWNER_GPIO, \
+	  .conf1 = GPIO_SENSE_DISABLE }
+
+#define PCH_GPIO_OUT_LOW \
+	{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_OUTPUT | GPO_LEVEL_LOW, \
+	  .owner = GPIO_OWNER_GPIO, \
+	  .conf1 = GPIO_SENSE_DISABLE }
+
+struct gpio_config {
+	u8 gpio;
+	u32 conf0;
+	u32 conf1;
+	u8 owner;
+	u8 route;
+	u8 irqen;
+	u8 reset;
+	u8 blink;
+	u8 pirq;
+} __attribute__ ((packed));
+
+/* Configure GPIOs with mainboard provided settings */
+void init_one_gpio(int gpio_num, struct gpio_config *config);
+void init_gpios(const struct gpio_config config[]);
+
+/* Get GPIO pin value */
+int get_gpio(int gpio_num);
+
+/* Set GPIO pin value */
+void set_gpio(int gpio_num, int value);
+
+/* Return non-zero if gpio is set to native function. 0 otherwise. */
+int gpio_is_native(int gpio_num);
+
+/*
+ * Get a number comprised of multiple GPIO values. gpio_num_array points to
+ * the array of gpio pin numbers to scan, terminated by -1.
+ */
+unsigned get_gpios(const int *gpio_num_array);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/iobp.h b/src/soc/intel/skylake/include/soc/iobp.h
new file mode 100644
index 0000000..9f17692
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/iobp.h
@@ -0,0 +1,28 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_IOBP_H_
+#define _BROADWELL_IOBP_H_
+
+u32 pch_iobp_read(u32 address);
+void pch_iobp_write(u32 address, u32 data);
+void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue);
+void pch_iobp_exec(u32 addr, u16 op_dcode, u8 route_id, u32 *data, u8 *resp);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/iomap.h b/src/soc/intel/skylake/include/soc/iomap.h
new file mode 100644
index 0000000..bb98975
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/iomap.h
@@ -0,0 +1,62 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_IOMAP_H_
+#define _BROADWELL_IOMAP_H_
+
+#define MCFG_BASE_ADDRESS	CONFIG_MMCONF_BASE_ADDRESS
+#define MCFG_BASE_SIZE		0x4000000
+
+#define MCH_BASE_ADDRESS	0xfed10000
+#define MCH_BASE_SIZE		0x8000
+
+#define DMI_BASE_ADDRESS	0xfed18000
+#define DMI_BASE_SIZE		0x1000
+
+#define EP_BASE_ADDRESS		0xfed19000
+#define EP_BASE_SIZE		0x1000
+
+#define EDRAM_BASE_ADDRESS	0xfed80000
+#define EDRAM_BASE_SIZE		0x4000
+
+#define GDXC_BASE_ADDRESS	0xfed84000
+#define GDXC_BASE_SIZE		0x1000
+
+#define RCBA_BASE_ADDRESS	0xfed1c000
+#define RCBA_BASE_SIZE		0x4000
+
+#define HPET_BASE_ADDRESS	0xfed00000
+
+#define ACPI_BASE_ADDRESS	0x1000
+#define ACPI_BASE_SIZE		0x100
+
+#define GPIO_BASE_ADDRESS	0x1400
+#define GPIO_BASE_SIZE		0x400
+
+#define SMBUS_BASE_ADDRESS	0x0400
+#define SMBUS_BASE_SIZE		0x10
+
+/* Temporary addresses used in romstage */
+#define EARLY_GTT_BAR		0xe0000000
+#define EARLY_XHCI_BAR		0xd7000000
+#define EARLY_EHCI_BAR		CONFIG_EHCI_BAR
+#define EARLY_UART_BAR		CONFIG_TTYS0_BASE
+#define EARLY_TEMP_MMIO		0xfed08000
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/lpc.h b/src/soc/intel/skylake/include/soc/lpc.h
new file mode 100644
index 0000000..180e527
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/lpc.h
@@ -0,0 +1,93 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_LPC_H_
+#define _BROADWELL_LPC_H_
+
+/* PCI Configuration Space (D31:F0): LPC */
+#define SERIRQ_CNTL		0x64
+#define PMBASE			0x40
+#define ACPI_CNTL		0x44
+#define  ACPI_EN		(1 << 7)
+#define  SCI_IRQ_SEL		(7 << 0)
+#define  SCIS_IRQ9		0
+#define  SCIS_IRQ10		1
+#define  SCIS_IRQ11		2
+#define  SCIS_IRQ20		4
+#define  SCIS_IRQ21		5
+#define  SCIS_IRQ22		6
+#define  SCIS_IRQ23		7
+#define GPIOBASE		0x48
+#define BIOS_CNTL		0xdc
+#define GPIO_BASE		0x48 /* LPC GPIO Base Address Register */
+#define GPIO_CNTL		0x4C /* LPC GPIO Control Register */
+#define  GPIO_EN		(1 << 4)
+#define GPIO_ROUT		0xb8
+
+#define PIRQA_ROUT		0x60
+#define PIRQB_ROUT		0x61
+#define PIRQC_ROUT		0x62
+#define PIRQD_ROUT		0x63
+#define PIRQE_ROUT		0x68
+#define PIRQF_ROUT		0x69
+#define PIRQG_ROUT		0x6A
+#define PIRQH_ROUT		0x6B
+
+#define LPC_IO_DEC		0x80 /* IO Decode Ranges Register */
+#define LPC_EN			0x82 /* LPC IF Enables Register */
+#define  CNF2_LPC_EN		(1 << 13) /* 0x4e/0x4f */
+#define  CNF1_LPC_EN		(1 << 12) /* 0x2e/0x2f */
+#define  MC_LPC_EN		(1 << 11) /* 0x62/0x66 */
+#define  KBC_LPC_EN		(1 << 10) /* 0x60/0x64 */
+#define  GAMEH_LPC_EN		(1 << 9)  /* 0x208/0x20f */
+#define  GAMEL_LPC_EN		(1 << 8)  /* 0x200/0x207 */
+#define  FDD_LPC_EN		(1 << 3)  /* LPC_IO_DEC[12] */
+#define  LPT_LPC_EN		(1 << 2)  /* LPC_IO_DEC[9:8] */
+#define  COMB_LPC_EN		(1 << 1)  /* LPC_IO_DEC[6:4] */
+#define  COMA_LPC_EN		(1 << 0)  /* LPC_IO_DEC[2:0] */
+#define LPC_GEN1_DEC		0x84 /* LPC IF Generic Decode Range 1 */
+#define LPC_GEN2_DEC		0x88 /* LPC IF Generic Decode Range 2 */
+#define LPC_GEN3_DEC		0x8c /* LPC IF Generic Decode Range 3 */
+#define LPC_GEN4_DEC		0x90 /* LPC IF Generic Decode Range 4 */
+#define LGMR			0x98 /* LPC Generic Memory Range */
+#define RCBA			0xf0 /* Root Complex Register Block */
+
+/* Power Management */
+
+#define GEN_PMCON_1		0xa0
+#define  SMI_LOCK		(1 << 4)
+#define GEN_PMCON_2		0xa2
+#define  SYSTEM_RESET_STS	(1 << 4)
+#define  THERMTRIP_STS		(1 << 3)
+#define  SYSPWR_FLR		(1 << 1)
+#define  PWROK_FLR		(1 << 0)
+#define GEN_PMCON_3		0xa4
+#define  SUS_PWR_FLR		(1 << 14)
+#define  GEN_RST_STS		(1 << 9)
+#define  RTC_BATTERY_DEAD	(1 << 2)
+#define  PWR_FLR		(1 << 1)
+#define  SLEEP_AFTER_POWER_FAIL	(1 << 0)
+#define GEN_PMCON_LOCK		0xa6
+#define  SLP_STR_POL_LOCK	(1 << 2)
+#define  ACPI_BASE_LOCK		(1 << 1)
+#define PMIR			0xac
+#define  PMIR_CF9LOCK		(1 << 31)
+#define  PMIR_CF9GR		(1 << 20)
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/me.h b/src/soc/intel/skylake/include/soc/me.h
new file mode 100644
index 0000000..3973fc8
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/me.h
@@ -0,0 +1,507 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_ME_H_
+#define _BROADWELL_ME_H_
+
+#include <console/loglevel.h>
+
+#define ME_RETRY		100000	/* 1 second */
+#define ME_DELAY		10	/* 10 us */
+
+/*
+ * Management Engine PCI registers
+ */
+
+#define PCI_CPU_MEBASE_L	0x70	/* Set by MRC */
+#define PCI_CPU_MEBASE_H	0x74	/* Set by MRC */
+
+#define PCI_ME_HFS		0x40
+#define  ME_HFS_CWS_RESET	0
+#define  ME_HFS_CWS_INIT	1
+#define  ME_HFS_CWS_REC		2
+#define  ME_HFS_CWS_NORMAL	5
+#define  ME_HFS_CWS_WAIT	6
+#define  ME_HFS_CWS_TRANS	7
+#define  ME_HFS_CWS_INVALID	8
+#define  ME_HFS_STATE_PREBOOT	0
+#define  ME_HFS_STATE_M0_UMA	1
+#define  ME_HFS_STATE_M3	4
+#define  ME_HFS_STATE_M0	5
+#define  ME_HFS_STATE_BRINGUP	6
+#define  ME_HFS_STATE_ERROR	7
+#define  ME_HFS_ERROR_NONE	0
+#define  ME_HFS_ERROR_UNCAT	1
+#define  ME_HFS_ERROR_IMAGE	3
+#define  ME_HFS_ERROR_DEBUG	4
+#define  ME_HFS_MODE_NORMAL	0
+#define  ME_HFS_MODE_DEBUG	2
+#define  ME_HFS_MODE_DIS	3
+#define  ME_HFS_MODE_OVER_JMPR	4
+#define  ME_HFS_MODE_OVER_MEI	5
+#define  ME_HFS_BIOS_DRAM_ACK	1
+#define  ME_HFS_ACK_NO_DID	0
+#define  ME_HFS_ACK_RESET	1
+#define  ME_HFS_ACK_PWR_CYCLE	2
+#define  ME_HFS_ACK_S3		3
+#define  ME_HFS_ACK_S4		4
+#define  ME_HFS_ACK_S5		5
+#define  ME_HFS_ACK_GBL_RESET	6
+#define  ME_HFS_ACK_CONTINUE	7
+
+struct me_hfs {
+	u32 working_state: 4;
+	u32 mfg_mode: 1;
+	u32 fpt_bad: 1;
+	u32 operation_state: 3;
+	u32 fw_init_complete: 1;
+	u32 ft_bup_ld_flr: 1;
+	u32 update_in_progress: 1;
+	u32 error_code: 4;
+	u32 operation_mode: 4;
+	u32 reserved: 4;
+	u32 boot_options_present: 1;
+	u32 ack_data: 3;
+	u32 bios_msg_ack: 4;
+} __attribute__ ((packed));
+
+#define PCI_ME_UMA		0x44
+
+struct me_uma {
+	u32 size: 6;
+	u32 reserved_1: 10;
+	u32 valid: 1;
+	u32 reserved_0: 14;
+	u32 set_to_one: 1;
+} __attribute__ ((packed));
+
+#define PCI_ME_H_GS		0x4c
+#define  ME_INIT_DONE		1
+#define  ME_INIT_STATUS_SUCCESS	0
+#define  ME_INIT_STATUS_NOMEM	1
+#define  ME_INIT_STATUS_ERROR	2
+#define  ME_INIT_STATUS_SUCCESS_OTHER 3 /* SEE ME9 BWG */
+
+#define ME_HSIO_MESSAGE		(7 << 28)
+#define ME_HSIO_CMD_GETHSIOVER	1
+#define ME_HSIO_CMD_CLOSE	0
+
+struct me_did {
+	u32 uma_base: 16;
+	u32 reserved: 7;
+	u32 rapid_start: 1;
+	u32 status: 4;
+	u32 init_done: 4;
+} __attribute__ ((packed));
+
+/*
+ * Apparently the GMES register is renamed to HFS2 (or HFSTS2 according
+ * to ME9 BWG). Sadly the PCH EDS and the ME BWG do not match on nomenclature.
+ */
+#define PCI_ME_HFS2		0x48
+/* Infrastructure Progress Values */
+#define  ME_HFS2_PHASE_ROM		0
+#define  ME_HFS2_PHASE_BUP		1
+#define  ME_HFS2_PHASE_UKERNEL		2
+#define  ME_HFS2_PHASE_POLICY		3
+#define  ME_HFS2_PHASE_MODULE_LOAD	4
+#define  ME_HFS2_PHASE_UNKNOWN		5
+#define  ME_HFS2_PHASE_HOST_COMM	6
+/* Current State - Based on Infra Progress values. */
+/*       ROM State */
+#define  ME_HFS2_STATE_ROM_BEGIN 0
+#define  ME_HFS2_STATE_ROM_DISABLE 6
+/*       BUP State */
+#define  ME_HFS2_STATE_BUP_INIT 0
+#define  ME_HFS2_STATE_BUP_DIS_HOST_WAKE 1
+#define  ME_HFS2_STATE_BUP_FLOW_DET 4
+#define  ME_HFS2_STATE_BUP_VSCC_ERR 8
+#define  ME_HFS2_STATE_BUP_CHECK_STRAP 0xa
+#define  ME_HFS2_STATE_BUP_PWR_OK_TIMEOUT 0xb
+#define  ME_HFS2_STATE_BUP_MANUF_OVRD_STRAP 0xd
+#define  ME_HFS2_STATE_BUP_M3 0x11
+#define  ME_HFS2_STATE_BUP_M0 0x12
+#define  ME_HFS2_STATE_BUP_FLOW_DET_ERR 0x13
+#define  ME_HFS2_STATE_BUP_M3_CLK_ERR 0x15
+#define  ME_HFS2_STATE_BUP_CPU_RESET_DID_TIMEOUT_MEM_MISSING 0x17
+#define  ME_HFS2_STATE_BUP_M3_KERN_LOAD 0x18
+#define  ME_HFS2_STATE_BUP_T32_MISSING 0x1c
+#define  ME_HFS2_STATE_BUP_WAIT_DID 0x1f
+#define  ME_HFS2_STATE_BUP_WAIT_DID_FAIL 0x20
+#define  ME_HFS2_STATE_BUP_DID_NO_FAIL 0x21
+#define  ME_HFS2_STATE_BUP_ENABLE_UMA 0x22
+#define  ME_HFS2_STATE_BUP_ENABLE_UMA_ERR 0x23
+#define  ME_HFS2_STATE_BUP_SEND_DID_ACK 0x24
+#define  ME_HFS2_STATE_BUP_SEND_DID_ACK_ERR 0x25
+#define  ME_HFS2_STATE_BUP_M0_CLK 0x26
+#define  ME_HFS2_STATE_BUP_M0_CLK_ERR 0x27
+#define  ME_HFS2_STATE_BUP_TEMP_DIS 0x28
+#define  ME_HFS2_STATE_BUP_M0_KERN_LOAD 0x32
+/*       Policy Module State */
+#define  ME_HFS2_STATE_POLICY_ENTRY 0
+#define  ME_HFS2_STATE_POLICY_RCVD_S3 3
+#define  ME_HFS2_STATE_POLICY_RCVD_S4 4
+#define  ME_HFS2_STATE_POLICY_RCVD_S5 5
+#define  ME_HFS2_STATE_POLICY_RCVD_UPD 6
+#define  ME_HFS2_STATE_POLICY_RCVD_PCR 7
+#define  ME_HFS2_STATE_POLICY_RCVD_NPCR 8
+#define  ME_HFS2_STATE_POLICY_RCVD_HOST_WAKE 9
+#define  ME_HFS2_STATE_POLICY_RCVD_AC_DC 0xa
+#define  ME_HFS2_STATE_POLICY_RCVD_DID 0xb
+#define  ME_HFS2_STATE_POLICY_VSCC_NOT_FOUND 0xc
+#define  ME_HFS2_STATE_POLICY_VSCC_INVALID 0xd
+#define  ME_HFS2_STATE_POLICY_FPB_ERR 0xe
+#define  ME_HFS2_STATE_POLICY_DESCRIPTOR_ERR 0xf
+#define  ME_HFS2_STATE_POLICY_VSCC_NO_MATCH 0x10
+/* Current PM Event Values */
+#define  ME_HFS2_PMEVENT_CLEAN_MOFF_MX_WAKE 0
+#define  ME_HFS2_PMEVENT_MOFF_MX_WAKE_ERROR 1
+#define  ME_HFS2_PMEVENT_CLEAN_GLOBAL_RESET 2
+#define  ME_HFS2_PMEVENT_CLEAN_GLOBAL_RESET_ERROR 3
+#define  ME_HFS2_PMEVENT_CLEAN_ME_RESET 4
+#define  ME_HFS2_PMEVENT_ME_RESET_EXCEPTION 5
+#define  ME_HFS2_PMEVENT_PSEUDO_ME_RESET 6
+#define  ME_HFS2_PMEVENT_S0MO_SXM3 7
+#define  ME_HFS2_PMEVENT_SXM3_S0M0 8
+#define  ME_HFS2_PMEVENT_NON_PWR_CYCLE_RESET 9
+#define  ME_HFS2_PMEVENT_PWR_CYCLE_RESET_M3 0xa
+#define  ME_HFS2_PMEVENT_PWR_CYCLE_RESET_MOFF 0xb
+#define  ME_HFS2_PMEVENT_SXMX_SXMOFF 0xc
+
+struct me_hfs2 {
+	u32 bist_in_progress: 1;
+	u32 reserved1: 2;
+	u32 invoke_mebx: 1;
+	u32 cpu_replaced_sts: 1;
+	u32 mbp_rdy: 1;
+	u32 mfs_failure: 1;
+	u32 warm_reset_request: 1;
+	u32 cpu_replaced_valid: 1;
+	u32 reserved2: 4;
+	u32 mbp_cleared: 1;
+	u32 reserved3: 2;
+	u32 current_state: 8;
+	u32 current_pmevent: 4;
+	u32 progress_code: 4;
+} __attribute__ ((packed));
+
+#define PCI_ME_HFS5		0x68
+
+#define PCI_ME_H_GS2		0x70
+#define   PCI_ME_MBP_GIVE_UP	0x01
+
+#define PCI_ME_HERES		0xbc
+#define  PCI_ME_EXT_SHA1	0x00
+#define  PCI_ME_EXT_SHA256	0x02
+#define PCI_ME_HER(x)		(0xc0+(4*(x)))
+
+struct me_heres {
+	u32 extend_reg_algorithm: 4;
+	u32 reserved: 26;
+	u32 extend_feature_present: 1;
+	u32 extend_reg_valid: 1;
+} __attribute__ ((packed));
+
+/*
+ * Management Engine MEI registers
+ */
+
+#define MEI_H_CB_WW		0x00
+#define MEI_H_CSR		0x04
+#define MEI_ME_CB_RW		0x08
+#define MEI_ME_CSR_HA		0x0c
+
+struct mei_csr {
+	u32 interrupt_enable: 1;
+	u32 interrupt_status: 1;
+	u32 interrupt_generate: 1;
+	u32 ready: 1;
+	u32 reset: 1;
+	u32 reserved: 3;
+	u32 buffer_read_ptr: 8;
+	u32 buffer_write_ptr: 8;
+	u32 buffer_depth: 8;
+} __attribute__ ((packed));
+
+#define MEI_ADDRESS_CORE	0x01
+#define MEI_ADDRESS_AMT		0x02
+#define MEI_ADDRESS_RESERVED	0x03
+#define MEI_ADDRESS_WDT		0x04
+#define MEI_ADDRESS_MKHI	0x07
+#define MEI_ADDRESS_ICC		0x08
+#define MEI_ADDRESS_THERMAL	0x09
+
+#define MEI_HOST_ADDRESS	0
+
+struct mei_header {
+	u32 client_address: 8;
+	u32 host_address: 8;
+	u32 length: 9;
+	u32 reserved: 6;
+	u32 is_complete: 1;
+} __attribute__ ((packed));
+
+#define MKHI_GROUP_ID_CBM	0x00
+#define  MKHI_GLOBAL_RESET	0x0b
+#define MKHI_GROUP_ID_FWCAPS	0x03
+#define  MKHI_FWCAPS_GET_RULE	0x02
+#define MKHI_GROUP_ID_HMRFPO	0x05
+#define  MKHI_HMRFPO_LOCK	0x02
+#define  MKHI_HMRFPO_LOCK_NOACK	0x05
+#define MKHI_GROUP_ID_MDES	0x08
+#define  MKHI_MDES_ENABLE	0x09
+#define MKHI_GROUP_ID_GEN	0xff
+#define  MKHI_GET_FW_VERSION	0x02
+#define  MKHI_END_OF_POST	0x0c
+#define  MKHI_FEATURE_OVERRIDE	0x14
+#define  MKHI_END_OF_POST_NOACK	0x1a
+
+struct mkhi_header {
+	u32 group_id: 8;
+	u32 command: 7;
+	u32 is_response: 1;
+	u32 reserved: 8;
+	u32 result: 8;
+} __attribute__ ((packed));
+
+struct me_fw_version {
+	u16 code_minor;
+	u16 code_major;
+	u16 code_build_number;
+	u16 code_hot_fix;
+	u16 recovery_minor;
+	u16 recovery_major;
+	u16 recovery_build_number;
+	u16 recovery_hot_fix;
+} __attribute__ ((packed));
+
+/* ICC Messages */
+#define ICC_SET_CLOCK_ENABLES		0x3
+#define ICC_API_VERSION_LYNXPOINT	0x00030000
+
+struct icc_header {
+	u32 api_version;
+	u32 icc_command;
+	u32 icc_status;
+	u32 length;
+	u32 reserved;
+} __attribute__ ((packed));
+
+struct icc_clock_enables_msg {
+	u32 clock_enables;
+	u32 clock_mask;
+	u32 no_response: 1;
+	u32 reserved: 31;
+} __attribute__ ((packed));
+
+#define HECI_EOP_STATUS_SUCCESS       0x0
+#define HECI_EOP_PERFORM_GLOBAL_RESET 0x1
+
+#define CBM_RR_GLOBAL_RESET	0x01
+
+#define GLOBAL_RESET_BIOS_MRC	0x01
+#define GLOBAL_RESET_BIOS_POST	0x02
+#define GLOBAL_RESET_MEBX	0x03
+
+struct me_global_reset {
+	u8 request_origin;
+	u8 reset_type;
+} __attribute__ ((packed));
+
+typedef enum {
+	ME_NORMAL_BIOS_PATH,
+	ME_S3WAKE_BIOS_PATH,
+	ME_ERROR_BIOS_PATH,
+	ME_RECOVERY_BIOS_PATH,
+	ME_DISABLE_BIOS_PATH,
+	ME_FIRMWARE_UPDATE_BIOS_PATH,
+} me_bios_path;
+
+/*
+ * ME to BIOS Payload Datastructures and definitions. The ordering of the
+ * structures follows the ordering in the ME9 BWG.
+ */
+
+#define MBP_APPID_KERNEL 1
+#define MBP_APPID_INTEL_AT 3
+#define MBP_APPID_HWA 4
+#define MBP_APPID_ICC 5
+#define MBP_APPID_NFC 6
+/* Kernel items: */
+#define MBP_KERNEL_FW_VER_ITEM 1
+#define MBP_KERNEL_FW_CAP_ITEM 2
+#define MBP_KERNEL_ROM_BIST_ITEM 3
+#define MBP_KERNEL_PLAT_KEY_ITEM 4
+#define MBP_KERNEL_FW_TYPE_ITEM 5
+#define MBP_KERNEL_MFS_FAILURE_ITEM 6
+#define MBP_KERNEL_PLAT_TIME_ITEM 7
+/* Intel AT items: */
+#define MBP_INTEL_AT_STATE_ITEM 1
+/* ICC Items: */
+#define MBP_ICC_PROFILE_ITEM 1
+/* HWA Items: */
+#define MBP_HWA_REQUEST_ITEM 1
+/* NFC Items: */
+#define MBP_NFC_SUPPORT_DATA_ITEM 1
+
+#define MBP_MAKE_IDENT(appid, item) ((appid << 8) | item)
+#define MBP_IDENT(appid, item) \
+	MBP_MAKE_IDENT(MBP_APPID_##appid, MBP_##appid##_##item##_ITEM)
+
+typedef  struct {
+	u32  mbp_size	 : 8;
+	u32  num_entries : 8;
+	u32  rsvd      	 : 16;
+} __attribute__ ((packed)) mbp_header;
+
+typedef struct {
+	u32  app_id  : 8;
+	u32  item_id : 8;
+	u32  length  : 8;
+	u32  rsvd    : 8;
+}  __attribute__ ((packed)) mbp_item_header;
+
+typedef struct {
+	u32       major_version  : 16;
+	u32       minor_version  : 16;
+	u32       hotfix_version : 16;
+	u32       build_version  : 16;
+} __attribute__ ((packed)) mbp_fw_version_name;
+
+typedef struct {
+	u32  full_net		: 1;
+	u32  std_net		: 1;
+	u32  manageability	: 1;
+	u32  reserved_2		: 2;
+	u32  intel_at		: 1;
+	u32  intel_cls		: 1;
+	u32  reserved		: 3;
+	u32  intel_mpc		: 1;
+	u32  icc_over_clocking	: 1;
+	u32  pavp		: 1;
+	u32  reserved_1		: 4;
+	u32  ipv6		: 1;
+	u32  kvm		: 1;
+	u32  och		: 1;
+	u32  vlan		: 1;
+	u32  tls		: 1;
+	u32  reserved_4		: 1;
+	u32  wlan		: 1;
+	u32  reserved_5		: 8;
+} __attribute__ ((packed)) mbp_mefwcaps;
+
+typedef struct {
+	u16        device_id;
+	u16        fuse_test_flags;
+	u32        umchid[4];
+}  __attribute__ ((packed)) mbp_rom_bist_data;
+
+typedef struct {
+	u32        key[8];
+} mbp_platform_key;
+
+typedef struct {
+	u32 mobile:		1;
+	u32 desktop:		1;
+	u32 server:		1;
+	u32 workstation:	1;
+	u32 corporate:		1;
+	u32 consumer:		1;
+	u32 regular_super_sku:	1;
+	u32 rsvd:		1;
+	u32 image_type:		4;
+	u32 brand:		4;
+	u32 rsvd1:		16;
+}  __attribute__ ((packed)) mbp_me_firmware_type;
+
+typedef struct {
+	mbp_me_firmware_type rule_data;
+	u8                   available;
+} mbp_plat_type;
+
+typedef struct {
+	u16 icc_start_address;
+	u16 mask;
+} __attribute__ ((packed)) icc_address_mask;
+
+typedef struct {
+	u8        num_icc_profiles;
+	u8        icc_profile_soft_strap;
+	u8        icc_profile_index;
+	u8        reserved;
+	u32       icc_reg_bundles;
+	icc_address_mask icc_address_mask[0];
+} __attribute__ ((packed)) mbp_icc_profile;
+
+typedef struct {
+	u16  lock_state		     : 1;
+	u16  authenticate_module     : 1;
+	u16  s3authentication  	     : 1;
+	u16  flash_wear_out          : 1;
+	u16  flash_variable_security : 1;
+	u16  reserved		     : 11;
+} __attribute__ ((packed)) tdt_state_flag;
+
+typedef struct {
+	u8           state;
+	u8           last_theft_trigger;
+	tdt_state_flag  flags;
+}  __attribute__ ((packed)) mbp_at_state;
+
+typedef struct {
+	u32 wake_event_mrst_time_ms;
+	u32 mrst_pltrst_time_ms;
+	u32 pltrst_cpurst_time_ms;
+} __attribute__ ((packed)) mbp_plat_time;
+
+typedef struct {
+	u32 device_type : 2;
+	u32 reserved    : 30;
+} __attribute__ ((packed)) mbp_nfc_data;
+
+typedef struct {
+	mbp_fw_version_name  *fw_version_name;
+	mbp_mefwcaps         *fw_capabilities;
+	mbp_rom_bist_data    *rom_bist_data;
+	mbp_platform_key     *platform_key;
+	mbp_plat_type        *fw_plat_type;
+	mbp_icc_profile	     *icc_profile;
+	mbp_at_state         *at_state;
+	u32		     *mfsintegrity;
+	mbp_plat_time        *plat_time;
+	mbp_nfc_data         *nfc_data;
+} me_bios_payload;
+
+struct me_fwcaps {
+	u32 id;
+	u8 length;
+	mbp_mefwcaps caps_sku;
+	u8 reserved[3];
+} __attribute__ ((packed));
+
+void intel_me_hsio_version(uint16_t *version, uint16_t *checksum);
+
+#if (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= BIOS_DEBUG)
+/* Defined in me_status.c for both romstage and ramstage */
+void intel_me_status(void);
+#else
+static inline void intel_me_status(void) { }
+#endif
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/msr.h b/src/soc/intel/skylake/include/soc/msr.h
new file mode 100644
index 0000000..707041a
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/msr.h
@@ -0,0 +1,109 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_MSR_H_
+#define _BROADWELL_MSR_H_
+
+#define MSR_PIC_MSG_CONTROL		0x2e
+#define CORE_THREAD_COUNT_MSR		0x35
+#define IA32_FEATURE_CONTROL		0x3a
+#define  CPUID_VMX			(1 << 5)
+#define  CPUID_SMX			(1 << 6)
+#define MSR_PLATFORM_INFO		0xce
+#define  PLATFORM_INFO_SET_TDP		(1 << 29)
+#define MSR_PMG_CST_CONFIG_CONTROL	0xe2
+#define MSR_PMG_IO_CAPTURE_BASE		0xe4
+#define MSR_FEATURE_CONFIG		0x13c
+#define SMM_MCA_CAP_MSR			0x17d
+#define  SMM_CPU_SVRSTR_BIT		57
+#define  SMM_CPU_SVRSTR_MASK		(1 << (SMM_CPU_SVRSTR_BIT - 32))
+#define MSR_FLEX_RATIO			0x194
+#define  FLEX_RATIO_LOCK		(1 << 20)
+#define  FLEX_RATIO_EN			(1 << 16)
+#define IA32_MISC_ENABLE		0x1a0
+#define MSR_MISC_PWR_MGMT		0x1aa
+#define  MISC_PWR_MGMT_EIST_HW_DIS	(1 << 0)
+#define MSR_TURBO_RATIO_LIMIT		0x1ad
+#define MSR_TEMPERATURE_TARGET		0x1a2
+#define IA32_PERF_CTL 			0x199
+#define IA32_THERM_INTERRUPT		0x19b
+#define IA32_ENERGY_PERFORMANCE_BIAS	0x1b0
+#define  ENERGY_POLICY_PERFORMANCE	0
+#define  ENERGY_POLICY_NORMAL		6
+#define  ENERGY_POLICY_POWERSAVE	15
+#define IA32_PACKAGE_THERM_INTERRUPT	0x1b2
+#define EMRRphysBase_MSR		0x1f4
+#define EMRRphysMask_MSR		0x1f5
+#define IA32_PLATFORM_DCA_CAP		0x1f8
+#define MSR_POWER_CTL			0x1fc
+#define MSR_LT_LOCK_MEMORY		0x2e7
+#define UNCORE_EMRRphysBase_MSR 	0x2f4
+#define UNCORE_EMRRphysMask_MSR 	0x2f5
+#define IA32_MC0_STATUS 		0x401
+#define SMM_FEATURE_CONTROL_MSR		0x4e0
+#define  SMM_CPU_SAVE_EN		(1 << 1)
+
+#define MSR_C_STATE_LATENCY_CONTROL_0	0x60a
+#define MSR_C_STATE_LATENCY_CONTROL_1	0x60b
+#define MSR_C_STATE_LATENCY_CONTROL_2	0x60c
+#define MSR_C_STATE_LATENCY_CONTROL_3	0x633
+#define MSR_C_STATE_LATENCY_CONTROL_4	0x634
+#define MSR_C_STATE_LATENCY_CONTROL_5	0x635
+#define  IRTL_VALID			(1 << 15)
+#define  IRTL_1_NS			(0 << 10)
+#define  IRTL_32_NS			(1 << 10)
+#define  IRTL_1024_NS			(2 << 10)
+#define  IRTL_32768_NS			(3 << 10)
+#define  IRTL_1048576_NS		(4 << 10)
+#define  IRTL_33554432_NS		(5 << 10)
+#define  IRTL_RESPONSE_MASK		(0x3ff)
+#define MSR_COUNTER_24_MHZ		0x637
+
+/* long duration in low dword, short duration in high dword */
+#define MSR_PKG_POWER_LIMIT		0x610
+#define  PKG_POWER_LIMIT_MASK		0x7fff
+#define  PKG_POWER_LIMIT_EN		(1 << 15)
+#define  PKG_POWER_LIMIT_CLAMP		(1 << 16)
+#define  PKG_POWER_LIMIT_TIME_SHIFT	17
+#define  PKG_POWER_LIMIT_TIME_MASK	0x7f
+
+#define MSR_VR_CURRENT_CONFIG		0x601
+#define MSR_VR_MISC_CONFIG		0x603
+#define MSR_PKG_POWER_SKU_UNIT		0x606
+#define MSR_PKG_POWER_SKU		0x614
+#define MSR_DDR_RAPL_LIMIT		0x618
+#define MSR_VR_MISC_CONFIG2		0x636
+#define MSR_PP0_POWER_LIMIT		0x638
+#define MSR_PP1_POWER_LIMIT		0x640
+
+#define MSR_CONFIG_TDP_NOMINAL		0x648
+#define MSR_CONFIG_TDP_LEVEL1		0x649
+#define MSR_CONFIG_TDP_LEVEL2		0x64a
+#define MSR_CONFIG_TDP_CONTROL		0x64b
+#define MSR_TURBO_ACTIVATION_RATIO	0x64c
+
+/* SMM save state MSRs */
+#define SMBASE_MSR			0xc20
+#define IEDBASE_MSR			0xc22
+
+/* MTRRcap_MSR bits */
+#define SMRR_SUPPORTED (1<<11)
+#define EMRR_SUPPORTED (1<<12)
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/nvs.h b/src/soc/intel/skylake/include/soc/nvs.h
new file mode 100644
index 0000000..0f1e63a
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/nvs.h
@@ -0,0 +1,71 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_NVS_H_
+#define _BROADWELL_NVS_H_
+
+#include <vendorcode/google/chromeos/gnvs.h>
+#include <soc/device_nvs.h>
+
+typedef struct {
+	/* Miscellaneous */
+	u16	osys; /* 0x00 - Operating System */
+	u8	smif; /* 0x02 - SMI function call ("TRAP") */
+	u8	prm0; /* 0x03 - SMI function call parameter */
+	u8	prm1; /* 0x04 - SMI function call parameter */
+	u8	scif; /* 0x05 - SCI function call (via _L00) */
+	u8	prm2; /* 0x06 - SCI function call parameter */
+	u8	prm3; /* 0x07 - SCI function call parameter */
+	u8	lckf; /* 0x08 - Global Lock function for EC */
+	u8	prm4; /* 0x09 - Lock function parameter */
+	u8	prm5; /* 0x0a - Lock function parameter */
+	u8      pcnt; /* 0x0b - Processor Count */
+	u8	ppcm; /* 0x0c - Max PPC State */
+	u8	tmps; /* 0x0d - Temperature Sensor ID */
+	u8	tlvl; /* 0x0e - Throttle Level Limit */
+	u8	flvl; /* 0x0f - Current FAN Level */
+	u8	tcrt; /* 0x10 - Critical Threshold */
+	u8	tpsv; /* 0x11 - Passive Threshold */
+	u8	tmax; /* 0x12 - CPU Tj_max */
+	u8	s5u0; /* 0x13 - Enable USB in S5 */
+	u8	s3u0; /* 0x14 - Enable USB in S3 */
+	u8	s33g; /* 0x15 - Enable 3G in S3 */
+	u8	lids; /* 0x16 - LID State */
+	u8	pwrs; /* 0x17 - AC Power State */
+	u32	cmem; /* 0x18 - 0x1b - CBMEM TOC */
+	u32	cbmc; /* 0x1c - 0x1f - Coreboot Memory Console */
+	u64	pm1i; /* 0x20 - 0x27 - PM1 wake status bit */
+	u64	gpei; /* 0x28 - 0x2f - GPE wake status bit */
+	u8	unused[208];
+
+	/* ChromeOS specific (0x100 - 0xfff) */
+	chromeos_acpi_t chromeos;
+
+	/* Device specific (0x1000) */
+	device_nvs_t dev;
+} __attribute__((packed)) global_nvs_t;
+
+void acpi_create_gnvs(global_nvs_t *gnvs);
+#ifdef __SMM__
+/* Used in SMM to find the ACPI GNVS address */
+global_nvs_t *smm_get_gnvs(void);
+#endif
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/pch.h b/src/soc/intel/skylake/include/soc/pch.h
new file mode 100644
index 0000000..e677215
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/pch.h
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_PCH_H_
+#define _BROADWELL_PCH_H_
+
+/* Haswell ULT Pch (LynxPoint-LP) */
+#define PCH_LPT_LP_SAMPLE	0x9c41
+#define PCH_LPT_LP_PREMIUM	0x9c43
+#define PCH_LPT_LP_MAINSTREAM	0x9c45
+#define PCH_LPT_LP_VALUE	0x9c47
+
+/* Broadwell PCH (WildatPoint) */
+#define PCH_WPT_HSW_U_SAMPLE	0x9cc1
+#define PCH_WPT_BDW_U_SAMPLE	0x9cc2
+#define PCH_WPT_BDW_U_PREMIUM	0x9cc3
+#define PCH_WPT_BDW_U_BASE	0x9cc5
+#define PCH_WPT_BDW_Y_SAMPLE	0x9cc6
+#define PCH_WPT_BDW_Y_PREMIUM	0x9cc7
+#define PCH_WPT_BDW_Y_BASE	0x9cc9
+#define PCH_WPT_BDW_H		0x9ccb
+
+/* Power Management Control and Status */
+#define PCH_PCS			0x84
+#define  PCH_PCS_PS_D3HOT	3
+
+u8 pch_revision(void);
+u16 pch_type(void);
+int pch_is_wpt(void);
+int pch_is_wpt_ulx(void);
+u32 pch_read_soft_strap(int id);
+void pch_log_state(void);
+void pch_disable_devfn(device_t dev);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/pci_devs.h b/src/soc/intel/skylake/include/soc/pci_devs.h
new file mode 100644
index 0000000..76e3a68
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/pci_devs.h
@@ -0,0 +1,119 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_PCI_DEVS_H_
+#define _BROADWELL_PCI_DEVS_H_
+
+#define _SA_DEVFN(slot)		PCI_DEVFN(SA_DEV_SLOT_ ## slot, 0)
+#define _PCH_DEVFN(slot,func)	PCI_DEVFN(PCH_DEV_SLOT_ ## slot, func)
+
+#if defined(__PRE_RAM__) || defined(__SMM__) || defined(__ROMCC__)
+#include <arch/io.h>
+#define _SA_DEV(slot)		PCI_DEV(0, SA_DEV_SLOT_ ## slot, 0)
+#define _PCH_DEV(slot,func)	PCI_DEV(0, PCH_DEV_SLOT_ ## slot, func)
+#else
+#include <device/device.h>
+#include <device/pci_def.h>
+#define _SA_DEV(slot)		dev_find_slot(0, _SA_DEVFN(slot))
+#define _PCH_DEV(slot,func)	dev_find_slot(0, _PCH_DEVFN(slot, func))
+#endif
+
+/* System Agent Devices */
+
+#define SA_DEV_SLOT_ROOT	0x00
+#define  SA_DEVFN_ROOT		_SA_DEVFN(ROOT)
+#define  SA_DEV_ROOT		_SA_DEV(ROOT)
+
+#define SA_DEV_SLOT_IGD		0x02
+#define  SA_DEVFN_IGD		_SA_DEVFN(IGD)
+#define  SA_DEV_IGD		_SA_DEV(IGD)
+
+#define SA_DEV_SLOT_MINIHD	0x03
+#define  SA_DEVFN_MINIHD	_SA_DEVFN(MINIHD)
+#define  SA_DEV_MINIHD		_SA_DEV(MINIHD)
+
+/* PCH Devices */
+
+#define PCH_DEV_SLOT_ADSP	0x13
+#define  PCH_DEVFN_ADSP		_PCH_DEVFN(ADSP, 0)
+#define  PCH_DEV_ADSP		_PCH_DEV(ADSP, 0)
+
+#define PCH_DEV_SLOT_XHCI	0x14
+#define  PCH_DEVFN_XHCI		_PCH_DEVFN(XHCI, 0)
+#define  PCH_DEV_XHCI		_PCH_DEV(XHCI, 0)
+
+#define PCH_DEV_SLOT_SIO	0x15
+#define  PCH_DEV_SDMA		_PCH_DEV(SIO, 0)
+#define  PCH_DEV_I2C0		_PCH_DEV(SIO, 1)
+#define  PCH_DEV_I2C1		_PCH_DEV(SIO, 2)
+#define  PCH_DEV_SPI0		_PCH_DEV(SIO, 3)
+#define  PCH_DEV_SPI1		_PCH_DEV(SIO, 4)
+#define  PCH_DEV_UART0		_PCH_DEV(SIO, 5)
+#define  PCH_DEV_UART1		_PCH_DEV(SIO, 6)
+#define  PCH_DEVFN_SDMA		_PCH_DEVFN(SIO, 0)
+#define  PCH_DEVFN_I2C0		_PCH_DEVFN(SIO, 1)
+#define  PCH_DEVFN_I2C1		_PCH_DEVFN(SIO, 2)
+#define  PCH_DEVFN_SPI0		_PCH_DEVFN(SIO, 3)
+#define  PCH_DEVFN_SPI1		_PCH_DEVFN(SIO, 4)
+#define  PCH_DEVFN_UART0	_PCH_DEVFN(SIO, 5)
+#define  PCH_DEVFN_UART1	_PCH_DEVFN(SIO, 6)
+
+#define PCH_DEV_SLOT_ME		0x16
+#define  PCH_DEVFN_ME		_PCH_DEVFN(ME, 0)
+#define  PCH_DEVFN_ME_2		_PCH_DEVFN(ME, 1)
+#define  PCH_DEVFN_ME_IDER	_PCH_DEVFN(ME, 2)
+#define  PCH_DEVFN_ME_KT	_PCH_DEVFN(ME, 3)
+#define  PCH_DEV_ME		_PCH_DEV(ME, 0)
+#define  PCH_DEV_ME_2		_PCH_DEV(ME, 1)
+#define  PCH_DEV_ME_IDER	_PCH_DEV(ME, 2)
+#define  PCH_DEV_ME_KT		_PCH_DEV(ME, 3)
+
+#define PCH_DEV_SLOT_SDIO	0x17
+#define  PCH_DEVFN_SDIO		_PCH_DEVFN(SDIO, 0)
+#define  PCH_DEV_SDIO		_PCH_DEV(SDIO, 0)
+
+#define PCH_DEV_SLOT_GBE	0x19
+#define  PCH_DEVFN_GBE		_PCH_DEVFN(GBE, 0)
+#define  PCH_DEV_GBE		_PCH_DEV(GBE, 0)
+
+#define PCH_DEV_SLOT_HDA	0x1b
+#define  PCH_DEVFN_HDA		_PCH_DEVFN(HDA, 0)
+#define  PCH_DEV_HDA		_PCH_DEV(HDA, 0)
+
+#define PCH_DEV_SLOT_PCIE	0x1c
+
+#define PCH_DEV_SLOT_EHCI	0x1d
+#define  PCH_DEVFN_EHCI		_PCH_DEVFN(EHCI, 0)
+#define  PCH_DEV_EHCI		_PCH_DEV(EHCI, 0)
+
+#define PCH_DEV_SLOT_LPC	0x1f
+#define  PCH_DEVFN_LPC		_PCH_DEVFN(LPC, 0)
+#define  PCH_DEVFN_IDE		_PCH_DEVFN(LPC, 1)
+#define  PCH_DEVFN_SATA		_PCH_DEVFN(LPC, 2)
+#define  PCH_DEVFN_SMBUS	_PCH_DEVFN(LPC, 3)
+#define  PCH_DEVFN_SATA2	_PCH_DEVFN(LPC, 5)
+#define  PCH_DEVFN_THERMAL	_PCH_DEVFN(LPC, 6)
+#define  PCH_DEV_LPC		_PCH_DEV(LPC, 0)
+#define  PCH_DEV_IDE		_PCH_DEV(LPC, 1)
+#define  PCH_DEV_SATA		_PCH_DEV(LPC, 2)
+#define  PCH_DEV_SMBUS		_PCH_DEV(LPC, 3)
+#define  PCH_DEV_SATA2		_PCH_DEV(LPC, 5)
+#define  PCH_DEV_THERMAL	_PCH_DEV(LPC, 6)
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/pei_data.h b/src/soc/intel/skylake/include/soc/pei_data.h
new file mode 100644
index 0000000..e614718
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/pei_data.h
@@ -0,0 +1,199 @@
+/*
+ * Broadwell UEFI PEI wrapper
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Google Inc. nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef PEI_DATA_H
+#define PEI_DATA_H
+
+#include <types.h>
+#include <memory_info.h>
+
+#define PEI_VERSION 22
+
+#define ABI_X86 __attribute__((regparm(0)))
+
+typedef void ABI_X86 (*tx_byte_func)(unsigned char byte);
+
+enum board_type {
+	BOARD_TYPE_CRB_MOBILE = 0,	/* CRB Mobile */
+	BOARD_TYPE_CRB_DESKTOP,		/* CRB Desktop */
+	BOARD_TYPE_USER1,		/* SV mobile */
+	BOARD_TYPE_USER2,		/* SV desktop */
+	BOARD_TYPE_USER3,		/* SV server */
+	BOARD_TYPE_ULT,			/* ULT */
+	BOARD_TYPE_CRB_EMBDEDDED,	/* CRB Embedded */
+	BOARD_TYPE_UNKNOWN,
+};
+
+#define MAX_USB2_PORTS 14
+#define MAX_USB3_PORTS 6
+#define USB_OC_PIN_SKIP 8
+
+enum usb2_port_location {
+	USB_PORT_BACK_PANEL = 0,
+	USB_PORT_FRONT_PANEL,
+	USB_PORT_DOCK,
+	USB_PORT_MINI_PCIE,
+	USB_PORT_FLEX,
+	USB_PORT_INTERNAL,
+	USB_PORT_SKIP,
+	USB_PORT_NGFF_DEVICE_DOWN,
+};
+
+struct usb2_port_setting {
+	/*
+	 * Usb Port Length:
+	 * [16:4] = length in inches in octal format
+	 * [3:0]  = decimal point
+	 */
+	uint16_t length;
+	uint8_t enable;
+	uint8_t oc_pin;
+	uint8_t location;
+} __attribute__((packed));
+
+struct usb3_port_setting {
+	uint8_t enable;
+	uint8_t oc_pin;
+	/*
+	 * Set to 0 if trace length is > 5 inches
+	 * Set to 1 if trace length is <= 5 inches
+	 */
+	uint8_t fixed_eq;
+} __attribute__((packed));
+
+struct pei_data
+{
+	uint32_t pei_version;
+
+	enum board_type board_type;
+	int boot_mode;
+	int ec_present;
+	int usbdebug;
+
+	/* Base addresses */
+	uint32_t pciexbar;
+	uint16_t smbusbar;
+	uint32_t xhcibar;
+	uint32_t ehcibar;
+	uint32_t gttbar;
+	uint32_t rcba;
+	uint32_t pmbase;
+	uint32_t gpiobase;
+	uint32_t temp_mmio_base;
+	uint32_t tseg_size;
+
+	/*
+	 * 0 = leave channel enabled
+	 * 1 = disable dimm 0 on channel
+	 * 2 = disable dimm 1 on channel
+	 * 3 = disable dimm 0+1 on channel
+	 */
+	int dimm_channel0_disabled;
+	int dimm_channel1_disabled;
+	/* Set to 0 for memory down */
+	uint8_t spd_addresses[4];
+	/* Enable 2x Refresh Mode */
+	int ddr_refresh_2x;
+	/* DQ pins are interleaved on board */
+	int dq_pins_interleaved;
+	/* Limit DDR3 frequency */
+	int max_ddr3_freq;
+	/* Disable self refresh */
+	int disable_self_refresh;
+	/* Disable cmd power/CKEPD */
+	int disable_cmd_pwr;
+
+	/* USB port configuration */
+	struct usb2_port_setting usb2_ports[MAX_USB2_PORTS];
+	struct usb3_port_setting usb3_ports[MAX_USB3_PORTS];
+
+	/*
+	 * USB3 board specific PHY tuning
+	 */
+
+	/* Valid range: 0x69 - 0x80 */
+	uint8_t usb3_txout_volt_dn_amp_adj[MAX_USB3_PORTS];
+	/* Valid range: 0x80 - 0x9c */
+	uint8_t usb3_txout_imp_sc_volt_amp_adj[MAX_USB3_PORTS];
+	/* Valid range: 0x39 - 0x80 */
+	uint8_t usb3_txout_de_emp_adj[MAX_USB3_PORTS];
+	/* Valid range: 0x3d - 0x4a */
+	uint8_t usb3_txout_imp_adj_volt_amp[MAX_USB3_PORTS];
+
+	/* Console output function */
+	tx_byte_func tx_byte;
+
+	/*
+	 * DIMM SPD data for memory down configurations
+	 * [CHANNEL][SLOT][SPD]
+	 */
+	uint8_t spd_data[2][2][512];
+
+	/*
+	 * LPDDR3 DQ byte map
+	 * [CHANNEL][ITERATION][2]
+	 *
+	 * Maps which PI clocks are used by what LPDDR DQ Bytes (from CPU side)
+	 * DQByteMap[0] - ClkDQByteMap:
+	 * - If clock is per rank, program to [0xFF, 0xFF]
+	 * - If clock is shared by 2 ranks, program to [0xFF, 0] or [0, 0xFF]
+	 * - If clock is shared by 2 ranks but does not go to all bytes,
+	 *   Entry[i] defines which DQ bytes Group i services
+	 * DQByteMap[1] - CmdNDQByteMap: [0] is CmdN/CAA and [1] is CmdN/CAB
+	 * DQByteMap[2] - CmdSDQByteMap: [0] is CmdS/CAA and [1] is CmdS/CAB
+	 * DQByteMap[3] - CkeDQByteMap : [0] is CKE /CAA and [1] is CKE /CAB
+	 *                For DDR, DQByteMap[3:1] = [0xFF, 0]
+	 * DQByteMap[4] - CtlDQByteMap : Always program to [0xFF, 0]
+	 *                since we have 1 CTL / rank
+	 * DQByteMap[5] - CmdVDQByteMap: Always program to [0xFF, 0]
+	 *                since we have 1 CA Vref
+	 */
+	uint8_t dq_map[2][6][2];
+
+	/*
+	 * LPDDR3 Map from CPU DQS pins to SDRAM DQS pins
+	 * [CHANNEL][MAX_BYTES]
+	 */
+	uint8_t dqs_map[2][8];
+
+	/* Data read from flash and passed into MRC */
+	const void *saved_data;
+	int saved_data_size;
+
+	/* Disable use of saved data (can be set by mainboard) */
+	int disable_saved_data;
+
+	/* Data from MRC that should be saved to flash */
+	void *data_to_save;
+	int data_to_save_size;
+	struct memory_info meminfo;
+} __attribute__((packed));
+
+typedef struct pei_data PEI_DATA;
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/pei_wrapper.h b/src/soc/intel/skylake/include/soc/pei_wrapper.h
new file mode 100644
index 0000000..3ade4ff
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/pei_wrapper.h
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_PEI_WRAPPER_H_
+#define _BROADWELL_PEI_WRAPPER_H_
+
+#include <soc/pei_data.h>
+
+typedef int ABI_X86 (*pei_wrapper_entry_t)(struct pei_data *pei_data);
+
+static inline void pei_data_usb2_port(struct pei_data *pei_data, int port,
+				      uint16_t length, uint8_t enable,
+				      uint8_t oc_pin, uint8_t location)
+{
+	pei_data->usb2_ports[port].length   = length;
+	pei_data->usb2_ports[port].enable   = enable;
+	pei_data->usb2_ports[port].oc_pin   = oc_pin;
+	pei_data->usb2_ports[port].location = location;
+}
+
+static inline void pei_data_usb3_port(struct pei_data *pei_data, int port,
+				      uint8_t enable, uint8_t oc_pin,
+				      uint8_t fixed_eq)
+{
+	pei_data->usb3_ports[port].enable   = enable;
+	pei_data->usb3_ports[port].oc_pin   = oc_pin;
+	pei_data->usb3_ports[port].fixed_eq = fixed_eq;
+}
+
+void broadwell_fill_pei_data(struct pei_data *pei_data);
+void mainboard_fill_pei_data(struct pei_data *pei_data);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/pm.h b/src/soc/intel/skylake/include/soc/pm.h
new file mode 100644
index 0000000..54fc4a7
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/pm.h
@@ -0,0 +1,172 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_PM_H_
+#define _BROADWELL_PM_H_
+
+/* ACPI_BASE_ADDRESS / PMBASE */
+
+#define PM1_STS			0x00
+#define  WAK_STS		(1 << 15)
+#define  PCIEXPWAK_STS		(1 << 14)
+#define  PRBTNOR_STS		(1 << 11)
+#define  RTC_STS		(1 << 10)
+#define  PWRBTN_STS		(1 << 8)
+#define  GBL_STS		(1 << 5)
+#define  BM_STS			(1 << 4)
+#define  TMROF_STS		(1 << 0)
+#define PM1_EN			0x02
+#define  PCIEXPWAK_DIS		(1 << 14)
+#define  RTC_EN			(1 << 10)
+#define  PWRBTN_EN		(1 << 8)
+#define  GBL_EN			(1 << 5)
+#define  TMROF_EN		(1 << 0)
+#define PM1_CNT			0x04
+#define  SLP_EN			(1 << 13)
+#define  SLP_TYP		(7 << 10)
+#define   SLP_TYP_SHIFT         10
+#define   SLP_TYP_S0		0
+#define   SLP_TYP_S1		1
+#define   SLP_TYP_S3		5
+#define   SLP_TYP_S4		6
+#define   SLP_TYP_S5		7
+#define  GBL_RLS		(1 << 2)
+#define  BM_RLD			(1 << 1)
+#define  SCI_EN			(1 << 0)
+#define PM1_TMR			0x08
+#define SMI_EN			0x30
+#define  XHCI_SMI_EN		(1 << 31)
+#define  ME_SMI_EN		(1 << 30)
+#define  GPIO_UNLOCK_SMI_EN	(1 << 27)
+#define  INTEL_USB2_EN		(1 << 18)
+#define  LEGACY_USB2_EN		(1 << 17)
+#define  PERIODIC_EN		(1 << 14)
+#define  TCO_EN			(1 << 13)
+#define  MCSMI_EN		(1 << 11)
+#define  BIOS_RLS		(1 <<  7)
+#define  SWSMI_TMR_EN		(1 <<  6)
+#define  APMC_EN		(1 <<  5)
+#define  SLP_SMI_EN		(1 <<  4)
+#define  LEGACY_USB_EN		(1 <<  3)
+#define  BIOS_EN		(1 <<  2)
+#define  EOS			(1 <<  1)
+#define  GBL_SMI_EN		(1 <<  0)
+#define SMI_STS			0x34
+#define UPWRC			0x3c
+#define  UPWRC_WS		(1 << 8)
+#define  UPWRC_WE		(1 << 1)
+#define  UPWRC_SMI		(1 << 0)
+#define GPE_CNTL		0x42
+#define  SWGPE_CTRL		(1 << 1)
+#define DEVACT_STS		0x44
+#define PM2_CNT			0x50
+#define TCO1_CNT		0x60
+#define  TCO_TMR_HLT		(1 << 11)
+#define TCO1_STS		0x64
+#define  DMISCI_STS		(1 << 9)
+#define TCO2_STS		0x66
+#define  TCO2_STS_SECOND_TO	(1 << 1)
+
+#define GPE0_REG_MAX		4
+#define GPE0_REG_SIZE		32
+#define GPE0_STS(x)		(0x80 + (x * 4))
+#define  GPE_31_0		0	/* 0x80/0x90 = GPE[31:0] */
+#define  GPE_63_32		1	/* 0x84/0x94 = GPE[63:32] */
+#define  GPE_94_64		2	/* 0x88/0x98 = GPE[94:64] */
+#define  GPE_STD		3	/* 0x8c/0x9c = Standard GPE */
+#define   WADT_STS		(1 << 18)
+#define   GP27_STS		(1 << 16)
+#define   PME_B0_STS		(1 << 13)
+#define   ME_SCI_STS		(1 << 12)
+#define   PME_STS		(1 << 11)
+#define   BATLOW_STS		(1 << 10)
+#define   PCI_EXP_STS		(1 << 9)
+#define   SMB_WAK_STS		(1 << 7)
+#define   TCOSCI_STS		(1 << 6)
+#define   SWGPE_STS		(1 << 2)
+#define   HOT_PLUG_STS		(1 << 1)
+#define GPE0_EN(x)		(0x90 + (x * 4))
+#define   WADT_en		(1 << 18)
+#define   GP27_EN		(1 << 16)
+#define   PME_B0_EN		(1 << 13)
+#define   ME_SCI_EN		(1 << 12)
+#define   PME_EN		(1 << 11)
+#define   BATLOW_EN		(1 << 10)
+#define   PCI_EXP_EN		(1 << 9)
+#define   TCOSCI_EN		(1 << 6)
+#define   SWGPE_EN		(1 << 2)
+#define   HOT_PLUG_EN		(1 << 1)
+
+#define MAINBOARD_POWER_OFF	0
+#define MAINBOARD_POWER_ON	1
+#define MAINBOARD_POWER_KEEP	2
+
+#define SLEEP_STATE_S0		0
+#define SLEEP_STATE_S3		3
+#define SLEEP_STATE_S5		5
+
+struct chipset_power_state {
+	uint16_t pm1_sts;
+	uint16_t pm1_en;
+	uint32_t pm1_cnt;
+	uint16_t tco1_sts;
+	uint16_t tco2_sts;
+	uint32_t gpe0_sts[4];
+	uint32_t gpe0_en[4];
+	uint16_t gen_pmcon1;
+	uint16_t gen_pmcon2;
+	uint16_t gen_pmcon3;
+	int prev_sleep_state;
+	uint16_t hsio_version;
+	uint16_t hsio_checksum;
+};
+
+/* PM1_CNT */
+void enable_pm1_control(uint32_t mask);
+void disable_pm1_control(uint32_t mask);
+
+/* PM1 */
+uint16_t clear_pm1_status(void);
+void enable_pm1(uint16_t events);
+uint32_t clear_smi_status(void);
+
+/* SMI */
+void enable_smi(uint32_t mask);
+void disable_smi(uint32_t mask);
+
+/* ALT_GP_SMI */
+uint32_t clear_alt_smi_status(void);
+void enable_alt_smi(uint32_t mask);
+
+/* TCO */
+uint32_t clear_tco_status(void);
+void enable_tco_sci(void);
+
+/* GPE0 */
+uint32_t clear_gpe_status(void);
+void clear_gpe_enable(void);
+void enable_all_gpe(uint32_t set1, uint32_t set2, uint32_t set3, uint32_t set4);
+void disable_all_gpe(void);
+void enable_gpe(uint32_t mask);
+void disable_gpe(uint32_t mask);
+
+/* Return the selected ACPI SCI IRQ */
+int acpi_sci_irq(void);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/ramstage.h b/src/soc/intel/skylake/include/soc/ramstage.h
new file mode 100644
index 0000000..9242aa9
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/ramstage.h
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_RAMSTAGE_H_
+#define _BROADWELL_RAMSTAGE_H_
+
+#include <device/device.h>
+#include <soc/intel/broadwell/chip.h>
+
+void broadwell_init_pre_device(void *chip_info);
+void broadwell_init_cpus(device_t dev);
+void broadwell_pch_enable_dev(device_t dev);
+
+#if CONFIG_HAVE_REFCODE_BLOB
+void broadwell_run_reference_code(void);
+#else
+static inline void broadwell_run_reference_code(void) { }
+#endif
+
+extern struct pci_operations broadwell_pci_ops;
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/rcba.h b/src/soc/intel/skylake/include/soc/rcba.h
new file mode 100644
index 0000000..2c40d07
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/rcba.h
@@ -0,0 +1,178 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_RCBA_H_
+#define _BROADWELL_RCBA_H_
+
+#include <soc/iomap.h>
+
+#define RCBA8(x)	*((volatile u8 *)(RCBA_BASE_ADDRESS + x))
+#define RCBA16(x)	*((volatile u16 *)(RCBA_BASE_ADDRESS + x))
+#define RCBA32(x)	*((volatile u32 *)(RCBA_BASE_ADDRESS + x))
+
+#define RCBA_AND_OR(bits, x, and, or) \
+        RCBA##bits(x) = ((RCBA##bits(x) & (and)) | (or))
+#define RCBA8_AND_OR(x, and, or)  RCBA_AND_OR(8, x, and, or)
+#define RCBA16_AND_OR(x, and, or) RCBA_AND_OR(16, x, and, or)
+#define RCBA32_AND_OR(x, and, or) RCBA_AND_OR(32, x, and, or)
+#define RCBA32_OR(x, or) RCBA_AND_OR(32, x, ~0UL, or)
+
+#define RPC		0x0400	/* 32bit */
+#define RPFN		0x0404	/* 32bit */
+
+/* Root Port configuration space hide */
+#define RPFN_HIDE(port)         (1 << (((port) * 4) + 3))
+/* Get the function number assigned to a Root Port */
+#define RPFN_FNGET(reg,port)    (((reg) >> ((port) * 4)) & 7)
+/* Set the function number for a Root Port */
+#define RPFN_FNSET(port,func)   (((func) & 7) << ((port) * 4))
+/* Root Port function number mask */
+#define RPFN_FNMASK(port)       (7 << ((port) * 4))
+
+#define NOINT		0
+#define INTA		1
+#define INTB		2
+#define INTC		3
+#define INTD		4
+
+#define DIR_IDR		12	/* Interrupt D Pin Offset */
+#define DIR_ICR		8	/* Interrupt C Pin Offset */
+#define DIR_IBR		4	/* Interrupt B Pin Offset */
+#define DIR_IAR		0	/* Interrupt A Pin Offset */
+
+#define PIRQA		0
+#define PIRQB		1
+#define PIRQC		2
+#define PIRQD		3
+#define PIRQE		4
+#define PIRQF		5
+#define PIRQG		6
+#define PIRQH		7
+
+/* IO Buffer Programming */
+#define IOBPIRI		0x2330
+#define IOBPD		0x2334
+#define IOBPS		0x2338
+#define  IOBPS_READY	0x0001
+#define  IOBPS_TX_MASK	0x0006
+#define  IOBPS_MASK     0xff00
+#define  IOBPS_READ     0x0600
+#define  IOBPS_WRITE	0x0700
+#define IOBPU		0x233a
+#define  IOBPU_MAGIC	0xf000
+#define  IOBP_PCICFG_READ	0x0400
+#define  IOBP_PCICFG_WRITE	0x0500
+
+#define D31IP		0x3100	/* 32bit */
+#define D31IP_TTIP	24	/* Thermal Throttle Pin */
+#define D31IP_SIP2	20	/* SATA Pin 2 */
+#define D31IP_SMIP	12	/* SMBUS Pin */
+#define D31IP_SIP	8	/* SATA Pin */
+#define D30IP		0x3104	/* 32bit */
+#define D30IP_PIP	0	/* PCI Bridge Pin */
+#define D29IP		0x3108	/* 32bit */
+#define D29IP_E1P	0	/* EHCI #1 Pin */
+#define D28IP		0x310c	/* 32bit */
+#define D28IP_P8IP	28	/* PCI Express Port 8 */
+#define D28IP_P7IP	24	/* PCI Express Port 7 */
+#define D28IP_P6IP	20	/* PCI Express Port 6 */
+#define D28IP_P5IP	16	/* PCI Express Port 5 */
+#define D28IP_P4IP	12	/* PCI Express Port 4 */
+#define D28IP_P3IP	8	/* PCI Express Port 3 */
+#define D28IP_P2IP	4	/* PCI Express Port 2 */
+#define D28IP_P1IP	0	/* PCI Express Port 1 */
+#define D27IP		0x3110	/* 32bit */
+#define D27IP_ZIP	0	/* HD Audio Pin */
+#define D26IP		0x3114	/* 32bit */
+#define D26IP_E2P	0	/* EHCI #2 Pin */
+#define D25IP		0x3118	/* 32bit */
+#define D25IP_LIP	0	/* GbE LAN Pin */
+#define D22IP		0x3124	/* 32bit */
+#define D22IP_KTIP	12	/* KT Pin */
+#define D22IP_IDERIP	8	/* IDE-R Pin */
+#define D22IP_MEI2IP	4	/* MEI #2 Pin */
+#define D22IP_MEI1IP	0	/* MEI #1 Pin */
+#define D20IP		0x3128	/* 32bit */
+#define D20IP_XHCI	0	/* XHCI Pin */
+#define D31IR		0x3140	/* 16bit */
+#define D30IR		0x3142	/* 16bit */
+#define D29IR		0x3144	/* 16bit */
+#define D28IR		0x3146	/* 16bit */
+#define D27IR		0x3148	/* 16bit */
+#define D26IR		0x314c	/* 16bit */
+#define D25IR		0x3150	/* 16bit */
+#define D23IR		0x3158	/* 16bit */
+#define D22IR		0x315c	/* 16bit */
+#define D20IR		0x3160	/* 16bit */
+#define D21IR		0x3164	/* 16bit */
+#define D19IR		0x3168	/* 16bit */
+#define ACPIIRQEN	0x31e0	/* 32bit */
+#define OIC		0x31fe	/* 16bit */
+#define DEEP_S3_POL	0x3328	/* 32bit */
+#define  DEEP_S3_EN_AC		(1 << 0)
+#define  DEEP_S3_EN_DC		(1 << 1)
+#define DEEP_S5_POL	0x3330	/* 32bit */
+#define  DEEP_S5_EN_AC		(1 << 14)
+#define  DEEP_S5_EN_DC		(1 << 15)
+#define DEEP_SX_CONFIG	0x3334	/* 32bit */
+#define  DEEP_SX_WAKE_PIN_EN	(1 << 2)
+#define  DEEP_SX_ACPRESENT_PD	(1 << 1)
+#define  DEEP_SX_GP27_PIN_EN	(1 << 0)
+#define PMSYNC_CONFIG	0x33c4	/* 32bit */
+#define PMSYNC_CONFIG2	0x33cc	/* 32bit */
+#define SOFT_RESET_CTRL 0x38f4
+#define SOFT_RESET_DATA 0x38f8
+
+#define DIR_ROUTE(a,b,c,d) \
+  (((d) << DIR_IDR) | ((c) << DIR_ICR) | \
+  ((b) << DIR_IBR) | ((a) << DIR_IAR))
+
+#define RC		0x3400	/* 32bit */
+#define HPTC		0x3404	/* 32bit */
+#define GCS		0x3410	/* 32bit */
+#define BUC		0x3414	/* 32bit */
+#define PCH_DISABLE_GBE		(1 << 5)
+#define FD		0x3418	/* 32bit */
+#define FDSW		0x3420	/* 8bit */
+#define DISPBDF		0x3424  /* 16bit */
+#define FD2		0x3428	/* 32bit */
+#define CG		0x341c	/* 32bit */
+
+/* Function Disable 1 RCBA 0x3418 */
+#define PCH_DISABLE_ALWAYS	(1 << 0)
+#define PCH_DISABLE_ADSPD	(1 << 1)
+#define PCH_DISABLE_SATA1	(1 << 2)
+#define PCH_DISABLE_SMBUS	(1 << 3)
+#define PCH_DISABLE_HD_AUDIO	(1 << 4)
+#define PCH_DISABLE_EHCI2	(1 << 13)
+#define PCH_DISABLE_LPC		(1 << 14)
+#define PCH_DISABLE_EHCI1	(1 << 15)
+#define PCH_DISABLE_PCIE(x)	(1 << (16 + x))
+#define PCH_DISABLE_THERMAL	(1 << 24)
+#define PCH_DISABLE_SATA2	(1 << 25)
+#define PCH_DISABLE_XHCI	(1 << 27)
+
+/* Function Disable 2 RCBA 0x3428 */
+#define PCH_DISABLE_KT		(1 << 4)
+#define PCH_DISABLE_IDER	(1 << 3)
+#define PCH_DISABLE_MEI2	(1 << 2)
+#define PCH_DISABLE_MEI1	(1 << 1)
+#define PCH_ENABLE_DBDF		(1 << 0)
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/reset.h b/src/soc/intel/skylake/include/soc/reset.h
new file mode 100644
index 0000000..6f21181
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/reset.h
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_RESET_H_
+#define _BROADWELL_RESET_H_
+
+void reset_system(void);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/romstage.h b/src/soc/intel/skylake/include/soc/romstage.h
new file mode 100644
index 0000000..b636223
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/romstage.h
@@ -0,0 +1,61 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_ROMSTAGE_H_
+#define _BROADWELL_ROMSTAGE_H_
+
+#include <stdint.h>
+#include <arch/cpu.h>
+
+struct chipset_power_state;
+struct pei_data;
+struct romstage_params {
+	unsigned long bist;
+	struct chipset_power_state *power_state;
+	struct pei_data *pei_data;
+};
+
+void mainboard_romstage_entry(struct romstage_params *params);
+void romstage_common(struct romstage_params *params);
+void *asmlinkage romstage_main(unsigned long bist, uint32_t tsc_lo,
+			       uint32_t tsc_high);
+void asmlinkage romstage_after_car(void);
+void raminit(struct pei_data *pei_data);
+void *setup_stack_and_mttrs(void);
+
+struct chipset_power_state;
+struct chipset_power_state *fill_power_state(void);
+void report_platform_info(void);
+void report_memory_config(void);
+
+void set_max_freq(void);
+
+void systemagent_early_init(void);
+void pch_early_init(void);
+void pch_uart_init(void);
+void intel_early_me_status(void);
+
+void enable_smbus(void);
+int smbus_read_byte(unsigned device, unsigned address);
+
+int early_spi_read(u32 offset, u32 size, u8 *buffer);
+int early_spi_read_wpsr(u8 *sr);
+
+void mainboard_pre_console_init(void);
+#endif
diff --git a/src/soc/intel/skylake/include/soc/sata.h b/src/soc/intel/skylake/include/soc/sata.h
new file mode 100644
index 0000000..73e7b31
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/sata.h
@@ -0,0 +1,89 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_SATA_H_
+#define _BROADWELL_SATA_H_
+
+#define SATA_SIRI		0xa0 /* SATA Indexed Register Index */
+#define SATA_SIRD		0xa4 /* SATA Indexed Register Data */
+#define SATA_SP			0xd0 /* Scratchpad */
+
+/* SATA IOBP Registers */
+#define SATA_IOBP_SP0_SECRT88	0xea002688
+#define SATA_IOBP_SP1_SECRT88	0xea002488
+
+#define SATA_SECRT88_VADJ_MASK	0xff
+#define SATA_SECRT88_VADJ_SHIFT	16
+
+#define SATA_IOBP_SP0DTLE_DATA	0xea002550
+#define SATA_IOBP_SP0DTLE_EDGE	0xea002554
+#define SATA_IOBP_SP1DTLE_DATA	0xea002750
+#define SATA_IOBP_SP1DTLE_EDGE	0xea002754
+
+#define SATA_DTLE_MASK		0xF
+#define SATA_DTLE_DATA_SHIFT	24
+#define SATA_DTLE_EDGE_SHIFT	16
+
+/* PCI Configuration Space (D31:F1): IDE */
+#define INTR_LN			0x3c
+#define IDE_TIM_PRI		0x40	/* IDE timings, primary */
+#define   IDE_DECODE_ENABLE	(1 << 15)
+#define   IDE_SITRE		(1 << 14)
+#define   IDE_ISP_5_CLOCKS	(0 << 12)
+#define   IDE_ISP_4_CLOCKS	(1 << 12)
+#define   IDE_ISP_3_CLOCKS	(2 << 12)
+#define   IDE_RCT_4_CLOCKS	(0 <<  8)
+#define   IDE_RCT_3_CLOCKS	(1 <<  8)
+#define   IDE_RCT_2_CLOCKS	(2 <<  8)
+#define   IDE_RCT_1_CLOCKS	(3 <<  8)
+#define   IDE_DTE1		(1 <<  7)
+#define   IDE_PPE1		(1 <<  6)
+#define   IDE_IE1		(1 <<  5)
+#define   IDE_TIME1		(1 <<  4)
+#define   IDE_DTE0		(1 <<  3)
+#define   IDE_PPE0		(1 <<  2)
+#define   IDE_IE0		(1 <<  1)
+#define   IDE_TIME0		(1 <<  0)
+#define IDE_TIM_SEC		0x42	/* IDE timings, secondary */
+
+#define IDE_SDMA_CNT		0x48	/* Synchronous DMA control */
+#define   IDE_SSDE1		(1 <<  3)
+#define   IDE_SSDE0		(1 <<  2)
+#define   IDE_PSDE1		(1 <<  1)
+#define   IDE_PSDE0		(1 <<  0)
+
+#define IDE_SDMA_TIM		0x4a
+
+#define IDE_CONFIG		0x54	/* IDE I/O Configuration Register */
+#define   SIG_MODE_SEC_NORMAL	(0 << 18)
+#define   SIG_MODE_SEC_TRISTATE	(1 << 18)
+#define   SIG_MODE_SEC_DRIVELOW	(2 << 18)
+#define   SIG_MODE_PRI_NORMAL	(0 << 16)
+#define   SIG_MODE_PRI_TRISTATE	(1 << 16)
+#define   SIG_MODE_PRI_DRIVELOW	(2 << 16)
+#define   FAST_SCB1		(1 << 15)
+#define   FAST_SCB0		(1 << 14)
+#define   FAST_PCB1		(1 << 13)
+#define   FAST_PCB0		(1 << 12)
+#define   SCB1			(1 <<  3)
+#define   SCB0			(1 <<  2)
+#define   PCB1			(1 <<  1)
+#define   PCB0			(1 <<  0)
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/serialio.h b/src/soc/intel/skylake/include/soc/serialio.h
new file mode 100644
index 0000000..2fd6dca
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/serialio.h
@@ -0,0 +1,94 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_SERIALIO_H_
+#define _BROADWELL_SERIALIO_H_
+
+/* Serial IO IOBP Registers */
+#define SIO_IOBP_PORTCTRL0	0xcb000000	/* SDIO D23:F0 */
+#define  SIO_IOBP_PORTCTRL0_ACPI_IRQ_EN		(1 << 5)
+#define  SIO_IOBP_PORTCTRL0_PCI_CONF_DIS	(1 << 4)
+#define SIO_IOBP_PORTCTRL1	0xcb000014	/* SDIO D23:F0 */
+#define  SIO_IOBP_PORTCTRL1_SNOOP_SELECT(x)	(((x) & 3) << 13)
+#define SIO_IOBP_GPIODF		0xcb000154
+#define  SIO_IOBP_GPIODF_SDIO_IDLE_DET_EN	(1 << 4)
+#define  SIO_IOBP_GPIODF_DMA_IDLE_DET_EN	(1 << 3)
+#define  SIO_IOBP_GPIODF_UART_IDLE_DET_EN	(1 << 2)
+#define  SIO_IOBP_GPIODF_I2C_IDLE_DET_EN	(1 << 1)
+#define  SIO_IOBP_GPIODF_SPI_IDLE_DET_EN	(1 << 0)
+#define  SIO_IOBP_GPIODF_UART0_BYTE_ACCESS	(1 << 10)
+#define  SIO_IOBP_GPIODF_UART1_BYTE_ACCESS	(1 << 11)
+#define SIO_IOBP_PORTCTRL2	0xcb000240	/* DMA D21:F0 */
+#define SIO_IOBP_PORTCTRL3	0xcb000248	/* I2C0 D21:F1 */
+#define SIO_IOBP_PORTCTRL4	0xcb000250	/* I2C1 D21:F2 */
+#define SIO_IOBP_PORTCTRL5	0xcb000258	/* SPI0 D21:F3 */
+#define SIO_IOBP_PORTCTRL6	0xcb000260	/* SPI1 D21:F4 */
+#define SIO_IOBP_PORTCTRL7	0xcb000268	/* UART0 D21:F5 */
+#define SIO_IOBP_PORTCTRL8	0xcb000270	/* UART1 D21:F6 */
+#define SIO_IOBP_PORTCTRLX(x)	(0xcb000240 + ((x) * 8))
+/* PORTCTRL 2-8 have the same layout */
+#define  SIO_IOBP_PORTCTRL_ACPI_IRQ_EN		(1 << 21)
+#define  SIO_IOBP_PORTCTRL_PCI_CONF_DIS		(1 << 20)
+#define  SIO_IOBP_PORTCTRL_SNOOP_SELECT(x)	(((x) & 3) << 18)
+#define  SIO_IOBP_PORTCTRL_INT_PIN(x)		(((x) & 0xf) << 2)
+#define  SIO_IOBP_PORTCTRL_PM_CAP_PRSNT		(1 << 1)
+#define SIO_IOBP_FUNCDIS0	0xce00aa07	/* DMA D21:F0 */
+#define SIO_IOBP_FUNCDIS1	0xce00aa47	/* I2C0 D21:F1 */
+#define SIO_IOBP_FUNCDIS2	0xce00aa87	/* I2C1 D21:F2 */
+#define SIO_IOBP_FUNCDIS3	0xce00aac7	/* SPI0 D21:F3 */
+#define SIO_IOBP_FUNCDIS4	0xce00ab07	/* SPI1 D21:F4 */
+#define SIO_IOBP_FUNCDIS5	0xce00ab47	/* UART0 D21:F5 */
+#define SIO_IOBP_FUNCDIS6	0xce00ab87	/* UART1 D21:F6 */
+#define SIO_IOBP_FUNCDIS7	0xce00ae07	/* SDIO D23:F0 */
+#define  SIO_IOBP_FUNCDIS_DIS			(1 << 8)
+
+/* Serial IO Devices */
+#define SIO_ID_SDMA		0 /* D21:F0 */
+#define SIO_ID_I2C0		1 /* D21:F1 */
+#define SIO_ID_I2C1		2 /* D21:F2 */
+#define SIO_ID_SPI0		3 /* D21:F3 */
+#define SIO_ID_SPI1		4 /* D21:F4 */
+#define SIO_ID_UART0		5 /* D21:F5 */
+#define SIO_ID_UART1		6 /* D21:F6 */
+#define SIO_ID_SDIO		7 /* D23:F0 */
+
+#define SIO_REG_PPR_CLOCK		0x800
+#define  SIO_REG_PPR_CLOCK_EN		 (1 << 0)
+#define  SIO_REG_PPR_CLOCK_UPDATE	 (1 << 31)
+#define  SIO_REG_PPR_CLOCK_M_DIV	 0x25a
+#define  SIO_REG_PPR_CLOCK_N_DIV	 0x7fff
+#define SIO_REG_PPR_RST			0x804
+#define  SIO_REG_PPR_RST_ASSERT		 0x3
+#define SIO_REG_PPR_GEN			0x808
+#define  SIO_REG_PPR_GEN_LTR_MODE_MASK	 (1 << 2)
+#define  SIO_REG_PPR_GEN_VOLTAGE_MASK	 (1 << 3)
+#define  SIO_REG_PPR_GEN_VOLTAGE(x)	 ((x & 1) << 3)
+#define SIO_REG_AUTO_LTR		0x814
+
+#define SIO_REG_SDIO_PPR_GEN		0x1008
+#define SIO_REG_SDIO_PPR_SW_LTR		0x1010
+#define SIO_REG_SDIO_PPR_CMD12		0x3c
+#define  SIO_REG_SDIO_PPR_CMD12_B30	 (1 << 30)
+
+#define SIO_PIN_INTA 1 /* IRQ5 in ACPI mode */
+#define SIO_PIN_INTB 2 /* IRQ6 in ACPI mode */
+#define SIO_PIN_INTC 3 /* IRQ7 in ACPI mode */
+#define SIO_PIN_INTD 4 /* IRQ13 in ACPI mode */
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/smbus.h b/src/soc/intel/skylake/include/soc/smbus.h
new file mode 100644
index 0000000..fb13c2d
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/smbus.h
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2005 Yinghai Lu <yinghailu at gmail.com>
+ * Copyright (C) 2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_SMBUS_H_
+#define _BROADWELL_SMBUS_H_
+
+/* PCI Configuration Space (D31:F3): SMBus */
+#define SMB_BASE		0x20
+#define HOSTC			0x40
+#define  HST_EN			(1 << 0)
+#define SMB_RCV_SLVA		0x09
+
+/* SMBus I/O bits. */
+#define SMBHSTSTAT		0x0
+#define SMBHSTCTL		0x2
+#define SMBHSTCMD		0x3
+#define SMBXMITADD		0x4
+#define SMBHSTDAT0		0x5
+#define SMBHSTDAT1		0x6
+#define SMBBLKDAT		0x7
+#define SMBTRNSADD		0x9
+#define SMBSLVDATA		0xa
+#define SMLINK_PIN_CTL		0xe
+#define SMBUS_PIN_CTL		0xf
+
+#define SMBUS_TIMEOUT		(10 * 1000 * 100)
+#define SMBUS_SLAVE_ADDR	0x24
+
+int do_smbus_read_byte(unsigned smbus_base, unsigned device,
+		       unsigned address);
+int do_smbus_write_byte(unsigned smbus_base, unsigned device,
+			unsigned address, unsigned data);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/smm.h b/src/soc/intel/skylake/include/soc/smm.h
new file mode 100644
index 0000000..f7f515c
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/smm.h
@@ -0,0 +1,73 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_SMM_H_
+#define _BROADWELL_SMM_H_
+
+#include <stdint.h>
+#include <cpu/x86/msr.h>
+
+struct ied_header {
+	char signature[10];
+	u32 size;
+	u8 reserved[34];
+} __attribute__ ((packed));
+
+struct smm_relocation_params {
+	u32 smram_base;
+	u32 smram_size;
+	u32 ied_base;
+	u32 ied_size;
+	msr_t smrr_base;
+	msr_t smrr_mask;
+	msr_t emrr_base;
+	msr_t emrr_mask;
+	msr_t uncore_emrr_base;
+	msr_t uncore_emrr_mask;
+	/* The smm_save_state_in_msrs field indicates if SMM save state
+	 * locations live in MSRs. This indicates to the CPUs how to adjust
+	 * the SMMBASE and IEDBASE */
+	int smm_save_state_in_msrs;
+};
+
+/* There is a bug in the order of Kconfig includes in that arch/x86/Kconfig
+ * is included after chipset code. This causes the chipset's Kconfig to be
+ * clobbered by the arch/x86/Kconfig if they have the same name. */
+static inline int smm_region_size(void)
+{
+        /* Make it 8MiB by default. */
+        if (CONFIG_SMM_TSEG_SIZE == 0)
+                return (8 << 20);
+        return CONFIG_SMM_TSEG_SIZE;
+}
+
+int smm_initialize(void);
+void smm_relocate(void);
+
+/* These helpers are for performing SMM relocation. */
+void southbridge_trigger_smi(void);
+void southbridge_clear_smi_status(void);
+
+/* The initialization of the southbridge is split into 2 components. One is
+ * for clearing the state in the SMM registers. The other is for enabling
+ * SMIs. They are split so that other work between the 2 actions. */
+void southbridge_smm_clear_state(void);
+void southbridge_smm_enable_smi(void);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/spi.h b/src/soc/intel/skylake/include/soc/spi.h
new file mode 100644
index 0000000..1449e29
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/spi.h
@@ -0,0 +1,110 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_SPI_H_
+#define _BROADWELL_SPI_H_
+
+/*
+ * SPI Opcode Menu setup for SPIBAR lockdown
+ * should support most common flash chips.
+ */
+
+#define SPIBAR_OFFSET		0x3800
+#define SPIBAR8(x)		RCBA8(x + SPIBAR_OFFSET)
+#define SPIBAR16(x)		RCBA16(x + SPIBAR_OFFSET)
+#define SPIBAR32(x)		RCBA32(x + SPIBAR_OFFSET)
+
+/* Registers within the SPIBAR */
+#define SPIBAR_SSFC		0x91
+#define SPIBAR_FDOC		0xb0
+#define SPIBAR_FDOD		0xb4
+
+#define SPI_PRR_MAX		5
+#define SPI_PRR(x)		(0x74 + ((x) * 4))
+#define SPI_PRR_SHIFT		12
+#define SPI_PRR_MASK		0x1fff
+#define SPI_PRR_BASE_SHIFT	0
+#define SPI_PRR_LIMIT_SHIFT	16
+#define SPI_PRR_WPE		(1 << 31)
+
+#define SPIBAR_PREOP		0x94
+#define SPIBAR_OPTYPE		0x96
+#define SPIBAR_OPMENU_LOWER	0x98
+#define SPIBAR_OPMENU_UPPER	0x9c
+
+#define SPI_OPMENU_0 0x01 /* WRSR: Write Status Register */
+#define SPI_OPTYPE_0 0x01 /* Write, no address */
+
+#define SPI_OPMENU_1 0x02 /* BYPR: Byte Program */
+#define SPI_OPTYPE_1 0x03 /* Write, address required */
+
+#define SPI_OPMENU_2 0x03 /* READ: Read Data */
+#define SPI_OPTYPE_2 0x02 /* Read, address required */
+
+#define SPI_OPMENU_3 0x05 /* RDSR: Read Status Register */
+#define SPI_OPTYPE_3 0x00 /* Read, no address */
+
+#define SPI_OPMENU_4 0x20 /* SE20: Sector Erase 0x20 */
+#define SPI_OPTYPE_4 0x03 /* Write, address required */
+
+#define SPI_OPMENU_5 0x9f /* RDID: Read ID */
+#define SPI_OPTYPE_5 0x00 /* Read, no address */
+
+#define SPI_OPMENU_6 0xd8 /* BED8: Block Erase 0xd8 */
+#define SPI_OPTYPE_6 0x03 /* Write, address required */
+
+#define SPI_OPMENU_7 0x0b /* FAST: Fast Read */
+#define SPI_OPTYPE_7 0x02 /* Read, address required */
+
+#define SPI_OPMENU_UPPER ((SPI_OPMENU_7 << 24) | (SPI_OPMENU_6 << 16) | \
+			  (SPI_OPMENU_5 << 8) | SPI_OPMENU_4)
+#define SPI_OPMENU_LOWER ((SPI_OPMENU_3 << 24) | (SPI_OPMENU_2 << 16) | \
+			  (SPI_OPMENU_1 << 8) | SPI_OPMENU_0)
+
+#define SPI_OPTYPE ((SPI_OPTYPE_7 << 14) | (SPI_OPTYPE_6 << 12) | \
+		    (SPI_OPTYPE_5 << 10) | (SPI_OPTYPE_4 << 8) |  \
+		    (SPI_OPTYPE_3 << 6) | (SPI_OPTYPE_2 << 4) |	  \
+		    (SPI_OPTYPE_1 << 2) | (SPI_OPTYPE_0))
+
+#define SPI_OPPREFIX ((0x50 << 8) | 0x06) /* EWSR and WREN */
+
+#define SPIBAR_HSFS                 0x04   /* SPI hardware sequence status */
+#define  SPIBAR_HSFS_FLOCKDN        (1 << 15)/* Flash Configuration Lock-Down */
+#define  SPIBAR_HSFS_SCIP           (1 << 5) /* SPI Cycle In Progress */
+#define  SPIBAR_HSFS_AEL            (1 << 2) /* SPI Access Error Log */
+#define  SPIBAR_HSFS_FCERR          (1 << 1) /* SPI Flash Cycle Error */
+#define  SPIBAR_HSFS_FDONE          (1 << 0) /* SPI Flash Cycle Done */
+#define SPIBAR_HSFC                 0x06   /* SPI hardware sequence control */
+#define  SPIBAR_HSFC_BYTE_COUNT(c)  (((c - 1) & 0x3f) << 8)
+#define  SPIBAR_HSFC_CYCLE_READ     (0 << 1) /* Read cycle */
+#define  SPIBAR_HSFC_CYCLE_WRITE    (2 << 1) /* Write cycle */
+#define  SPIBAR_HSFC_CYCLE_ERASE    (3 << 1) /* Erase cycle */
+#define  SPIBAR_HSFC_GO             (1 << 0) /* GO: start SPI transaction */
+#define SPIBAR_FADDR                0x08   /* SPI flash address */
+#define SPIBAR_FDATA(n)             (0x10 + (4 * n)) /* SPI flash data */
+#define SPIBAR_SSFS                 0x90
+#define  SPIBAR_SSFS_ERROR          (1 << 3)
+#define  SPIBAR_SSFS_DONE           (1 << 2)
+#define SPIBAR_SSFC                 0x91
+#define  SPIBAR_SSFC_DATA           (1 << 14)
+#define  SPIBAR_SSFC_GO             (1 << 1)
+
+int spi_flash_protect(u32 start, u32 size);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/systemagent.h b/src/soc/intel/skylake/include/soc/systemagent.h
new file mode 100644
index 0000000..325a4a5
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/systemagent.h
@@ -0,0 +1,135 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2008 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_SYSTEMAGENT_H_
+#define _BROADWELL_SYSTEMAGENT_H_
+
+#include <soc/iomap.h>
+
+#define SA_IGD_OPROM_VENDEV	0x80860406
+
+#define IGD_HASWELL_ULT_GT1	0x0a06
+#define IGD_HASWELL_ULT_GT2	0x0a16
+#define IGD_HASWELL_ULT_GT3	0x0a26
+#define IGD_BROADWELL_U_GT1	0x1606
+#define IGD_BROADWELL_U_GT2	0x1616
+#define IGD_BROADWELL_U_GT3_15W	0x1626
+#define IGD_BROADWELL_U_GT3_28W	0x162b
+#define IGD_BROADWELL_Y_GT2	0x161e
+#define IGD_BROADWELL_H_GT2	0x1612
+#define IGD_BROADWELL_H_GT3	0x1622
+
+#define MCH_BROADWELL_ID_U_Y	0x1604
+#define MCH_BROADWELL_REV_D0	0x06
+#define MCH_BROADWELL_REV_E0	0x08
+#define MCH_BROADWELL_REV_F0	0x09
+
+/* Device 0:0.0 PCI configuration space */
+
+#define EPBAR		0x40
+#define MCHBAR		0x48
+#define PCIEXBAR	0x60
+#define DMIBAR		0x68
+#define GGC		0x50	/* GMCH Graphics Control */
+#define DEVEN		0x54	/* Device Enable */
+#define  DEVEN_D7EN	(1 << 14)
+#define  DEVEN_D4EN	(1 << 7)
+#define  DEVEN_D3EN	(1 << 5)
+#define  DEVEN_D2EN	(1 << 4)
+#define  DEVEN_D1F0EN	(1 << 3)
+#define  DEVEN_D1F1EN	(1 << 2)
+#define  DEVEN_D1F2EN	(1 << 1)
+#define  DEVEN_D0EN	(1 << 0)
+#define DPR		0x5c
+#define  DPR_EPM	(1 << 2)
+#define  DPR_PRS	(1 << 1)
+#define  DPR_SIZE_MASK	0xff0
+
+#define PAM0		0x80
+#define PAM1		0x81
+#define PAM2		0x82
+#define PAM3		0x83
+#define PAM4		0x84
+#define PAM5		0x85
+#define PAM6		0x86
+
+#define SMRAM		0x88	/* System Management RAM Control */
+#define  D_OPEN		(1 << 6)
+#define  D_CLS		(1 << 5)
+#define  D_LCK		(1 << 4)
+#define  G_SMRAME	(1 << 3)
+#define  C_BASE_SEG	((0 << 2) | (1 << 1) | (0 << 0))
+
+#define MESEG_BASE	0x70	/* Management Engine Base. */
+#define MESEG_LIMIT	0x78	/* Management Engine Limit. */
+#define REMAPBASE	0x90	/* Remap base. */
+#define REMAPLIMIT	0x98	/* Remap limit. */
+#define TOM		0xa0	/* Top of DRAM in memory controller space. */
+#define TOUUD		0xa8	/* Top of Upper Usable DRAM */
+#define BDSM		0xb0	/* Base Data Stolen Memory */
+#define BGSM		0xb4	/* Base GTT Stolen Memory */
+#define TSEG		0xb8	/* TSEG base */
+#define TOLUD		0xbc	/* Top of Low Used Memory */
+#define SKPAD		0xdc	/* Scratchpad Data */
+
+/* MCHBAR */
+
+#define MCHBAR8(x)	*((volatile u8 *)(MCH_BASE_ADDRESS + x))
+#define MCHBAR16(x)	*((volatile u16 *)(MCH_BASE_ADDRESS + x))
+#define MCHBAR32(x)	*((volatile u32 *)(MCH_BASE_ADDRESS + x))
+
+#define MCHBAR_PEI_VERSION	0x5034
+#define BIOS_RESET_CPL		0x5da8
+#define EDRAMBAR		0x5408
+#define MCH_PAIR		0x5418
+#define GDXCBAR			0x5420
+
+#define MCH_PKG_POWER_LIMIT_LO	0x59a0
+#define MCH_PKG_POWER_LIMIT_HI	0x59a4
+#define MCH_DDR_POWER_LIMIT_LO	0x58e0
+#define MCH_DDR_POWER_LIMIT_HI	0x58e4
+
+/* PCODE MMIO communications live in the MCHBAR. */
+#define BIOS_MAILBOX_INTERFACE			0x5da4
+#define  MAILBOX_RUN_BUSY			(1 << 31)
+#define  MAILBOX_BIOS_CMD_READ_PCS		1
+#define  MAILBOX_BIOS_CMD_WRITE_PCS		2
+#define  MAILBOX_BIOS_CMD_READ_CALIBRATION	0x509
+#define  MAILBOX_BIOS_CMD_FSM_MEASURE_INTVL	0x909
+#define  MAILBOX_BIOS_CMD_READ_PCH_POWER	0xa
+#define  MAILBOX_BIOS_CMD_READ_PCH_POWER_EXT	0xb
+#define  MAILBOX_BIOS_CMD_READ_C9C10_VOLTAGE	0x26
+#define  MAILBOX_BIOS_CMD_WRITE_C9C10_VOLTAGE	0x27
+/* Errors are returned back in bits 7:0. */
+#define  MAILBOX_BIOS_ERROR_NONE		0
+#define  MAILBOX_BIOS_ERROR_INVALID_COMMAND	1
+#define  MAILBOX_BIOS_ERROR_TIMEOUT		2
+#define  MAILBOX_BIOS_ERROR_ILLEGAL_DATA	3
+#define  MAILBOX_BIOS_ERROR_RESERVED		4
+#define  MAILBOX_BIOS_ERROR_ILLEGAL_VR_ID	5
+#define  MAILBOX_BIOS_ERROR_VR_INTERFACE_LOCKED	6
+#define  MAILBOX_BIOS_ERROR_VR_ERROR		7
+/* Data is passed through bits 31:0 of the data register. */
+#define BIOS_MAILBOX_DATA			0x5da0
+
+/* System Agent identification */
+u8 systemagent_revision(void);
+
+#endif
diff --git a/src/soc/intel/skylake/include/soc/xhci.h b/src/soc/intel/skylake/include/soc/xhci.h
new file mode 100644
index 0000000..2b899a3
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/xhci.h
@@ -0,0 +1,61 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BROADWELL_XHCI_H_
+#define _BROADWELL_XHCI_H_
+
+/* XHCI PCI Registers */
+#define XHCI_PWR_CTL_STS	0x74
+#define  XHCI_PWR_CTL_SET_MASK	0x3
+#define  XHCI_PWR_CTL_SET_D0	0x0
+#define  XHCI_PWR_CTL_SET_D3	0x3
+#define  XHCI_PWR_CTL_ENABLE_PME (1 << 8)
+#define  XHCI_PWR_CTL_STATUS_PME (1 << 15)
+#define XHCI_USB2PR		0xd0
+#define XHCI_USB2PRM		0xd4
+#define  XHCI_USB2PR_HCSEL	0x7fff
+#define XHCI_USB3PR		0xd8
+#define  XHCI_USB3PR_SSEN	0x3f
+#define XHCI_USB3PRM		0xdc
+#define XHCI_USB3FUS		0xe0
+#define  XHCI_USB3FUS_SS_MASK	3
+#define  XHCI_USB3FUS_SS_SHIFT	3
+#define XHCI_USB3PDO		0xe8
+
+/* XHCI Memory Registers */
+#define XHCI_USB3_PORTSC(port)	(0x530 + (port * 0x10))
+#define  XHCI_USB3_PORTSC_CHST	(0x7f << 17)
+#define  XHCI_USB3_PORTSC_WCE	(1 << 25)	/* Wake on Connect */
+#define  XHCI_USB3_PORTSC_WDE	(1 << 26)	/* Wake on Disconnect */
+#define  XHCI_USB3_PORTSC_WOE	(1 << 27)	/* Wake on Overcurrent */
+#define  XHCI_USB3_PORTSC_WRC	(1 << 19)	/* Warm Reset Complete */
+#define  XHCI_USB3_PORTSC_LWS  	(1 << 16)	/* Link Write Strobe */
+#define  XHCI_USB3_PORTSC_PED 	(1 << 1)	/* Port Enabled/Disabled */
+#define  XHCI_USB3_PORTSC_WPR	(1 << 31)	/* Warm Port Reset */
+#define  XHCI_USB3_PORTSC_PLS	(0xf << 5)	/* Port Link State */
+#define   XHCI_PLSR_DISABLED	(4 << 5)	/* Port is disabled */
+#define   XHCI_PLSR_RXDETECT	(5 << 5)	/* Port is disconnected */
+#define   XHCI_PLSR_POLLING	(7 << 5)	/* Port is polling */
+#define   XHCI_PLSW_ENABLE	(5 << 5)	/* Transition from disabled */
+
+#ifdef __SMM__
+void usb_xhci_sleep_prepare(device_t dev, u8 slp_typ);
+#endif
+
+#endif
diff --git a/src/soc/intel/skylake/iobp.c b/src/soc/intel/skylake/iobp.c
new file mode 100644
index 0000000..870f6af
--- /dev/null
+++ b/src/soc/intel/skylake/iobp.c
@@ -0,0 +1,152 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <delay.h>
+#include <arch/io.h>
+#include <soc/iobp.h>
+#include <soc/rcba.h>
+
+#define IOBP_RETRY 1000
+
+static inline int iobp_poll(void)
+{
+	unsigned try;
+
+	for (try = IOBP_RETRY; try > 0; try--) {
+		u16 status = RCBA16(IOBPS);
+		if ((status & IOBPS_READY) == 0)
+			return 1;
+		udelay(10);
+	}
+
+	printk(BIOS_ERR, "IOBP: timeout waiting for transaction to complete\n");
+	return 0;
+}
+
+u32 pch_iobp_read(u32 address)
+{
+	u16 status;
+
+	if (!iobp_poll())
+		return 0;
+
+	/* Set the address */
+	RCBA32(IOBPIRI) = address;
+
+	/* READ OPCODE */
+	status = RCBA16(IOBPS);
+	status &= ~IOBPS_MASK;
+	status |= IOBPS_READ;
+	RCBA16(IOBPS) = status;
+
+	/* Undocumented magic */
+	RCBA16(IOBPU) = IOBPU_MAGIC;
+
+	/* Set ready bit */
+	status = RCBA16(IOBPS);
+	status |= IOBPS_READY;
+	RCBA16(IOBPS) = status;
+
+	if (!iobp_poll())
+		return 0;
+
+	/* Check for successful transaction */
+	status = RCBA16(IOBPS);
+	if (status & IOBPS_TX_MASK) {
+		printk(BIOS_ERR, "IOBP: read 0x%08x failed\n", address);
+		return 0;
+	}
+
+	/* Read IOBP data */
+	return RCBA32(IOBPD);
+}
+
+void pch_iobp_write(u32 address, u32 data)
+{
+	u16 status;
+
+	if (!iobp_poll())
+		return;
+
+	/* Set the address */
+	RCBA32(IOBPIRI) = address;
+
+	/* WRITE OPCODE */
+	status = RCBA16(IOBPS);
+	status &= ~IOBPS_MASK;
+	status |= IOBPS_WRITE;
+	RCBA16(IOBPS) = status;
+
+	RCBA32(IOBPD) = data;
+
+	/* Undocumented magic */
+	RCBA16(IOBPU) = IOBPU_MAGIC;
+
+	/* Set ready bit */
+	status = RCBA16(IOBPS);
+	status |= IOBPS_READY;
+	RCBA16(IOBPS) = status;
+
+	if (!iobp_poll())
+		return;
+
+	/* Check for successful transaction */
+	status = RCBA16(IOBPS);
+	if (status & IOBPS_TX_MASK)
+		printk(BIOS_ERR, "IOBP: write 0x%08x failed\n", address);
+}
+
+void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue)
+{
+	u32 data = pch_iobp_read(address);
+
+	/* Update the data */
+	data &= andvalue;
+	data |= orvalue;
+
+	pch_iobp_write(address, data);
+}
+
+void pch_iobp_exec(u32 addr, u16 op_code, u8 route_id, u32 *data, u8 *resp)
+{
+	if (!data || !resp)
+		return;
+
+	*resp = -1;
+	if (!iobp_poll())
+		return;
+
+	/* RCBA2330[31:0] = Address */
+	RCBA32(IOBPIRI) = addr;
+	/* RCBA2338[15:8] = opcode */
+	RCBA16(IOBPS) = (RCBA16(IOBPS) & 0x00ff) | op_code;
+	/* RCBA233A[15:8] = 0xf0 RCBA233A[7:0] = Route ID */
+	RCBA16(IOBPU) = IOBPU_MAGIC | route_id;
+
+	RCBA32(IOBPD) = *data;
+	/* Set RCBA2338[0] to trigger IOBP transaction*/
+	RCBA16(IOBPS) = RCBA16(IOBPS) | 0x1;
+
+	if (!iobp_poll())
+		return;
+
+	*resp = (RCBA16(IOBPS) & IOBPS_TX_MASK) >> 1;
+	*data = RCBA32(IOBPD);
+}
diff --git a/src/soc/intel/skylake/lpc.c b/src/soc/intel/skylake/lpc.c
new file mode 100644
index 0000000..6cc1116
--- /dev/null
+++ b/src/soc/intel/skylake/lpc.c
@@ -0,0 +1,670 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <delay.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <pc80/mc146818rtc.h>
+#include <pc80/isa-dma.h>
+#include <pc80/i8259.h>
+#include <arch/io.h>
+#include <arch/ioapic.h>
+#include <arch/acpi.h>
+#include <cpu/cpu.h>
+#include <cpu/x86/smm.h>
+#include <cbmem.h>
+#include <reg_script.h>
+#include <string.h>
+#include <soc/gpio.h>
+#include <soc/iobp.h>
+#include <soc/iomap.h>
+#include <soc/lpc.h>
+#include <soc/nvs.h>
+#include <soc/pch.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/ramstage.h>
+#include <soc/rcba.h>
+#include <soc/intel/broadwell/chip.h>
+#include <arch/acpi.h>
+#include <arch/acpigen.h>
+#include <cpu/cpu.h>
+
+#if IS_ENABLED(CONFIG_CHROMEOS)
+#include <vendorcode/google/chromeos/chromeos.h>
+#endif
+
+static void pch_enable_ioapic(struct device *dev)
+{
+	u32 reg32;
+
+	set_ioapic_id(VIO_APIC_VADDR, 0x02);
+
+	/* affirm full set of redirection table entries ("write once") */
+	reg32 = io_apic_read(VIO_APIC_VADDR, 0x01);
+
+	/* PCH-LP has 39 redirection entries */
+	reg32 &= ~0x00ff0000;
+	reg32 |= 0x00270000;
+
+	io_apic_write(VIO_APIC_VADDR, 0x01, reg32);
+
+	/*
+	 * Select Boot Configuration register (0x03) and
+	 * use Processor System Bus (0x01) to deliver interrupts.
+	 */
+	io_apic_write(VIO_APIC_VADDR, 0x03, 0x01);
+}
+
+/* PIRQ[n]_ROUT[3:0] - PIRQ Routing Control
+ * 0x00 - 0000 = Reserved
+ * 0x01 - 0001 = Reserved
+ * 0x02 - 0010 = Reserved
+ * 0x03 - 0011 = IRQ3
+ * 0x04 - 0100 = IRQ4
+ * 0x05 - 0101 = IRQ5
+ * 0x06 - 0110 = IRQ6
+ * 0x07 - 0111 = IRQ7
+ * 0x08 - 1000 = Reserved
+ * 0x09 - 1001 = IRQ9
+ * 0x0A - 1010 = IRQ10
+ * 0x0B - 1011 = IRQ11
+ * 0x0C - 1100 = IRQ12
+ * 0x0D - 1101 = Reserved
+ * 0x0E - 1110 = IRQ14
+ * 0x0F - 1111 = IRQ15
+ * PIRQ[n]_ROUT[7] - PIRQ Routing Control
+ * 0x80 - The PIRQ is not routed.
+ */
+
+static void pch_pirq_init(device_t dev)
+{
+	device_t irq_dev;
+	config_t *config = dev->chip_info;
+
+	pci_write_config8(dev, PIRQA_ROUT, config->pirqa_routing);
+	pci_write_config8(dev, PIRQB_ROUT, config->pirqb_routing);
+	pci_write_config8(dev, PIRQC_ROUT, config->pirqc_routing);
+	pci_write_config8(dev, PIRQD_ROUT, config->pirqd_routing);
+
+	pci_write_config8(dev, PIRQE_ROUT, config->pirqe_routing);
+	pci_write_config8(dev, PIRQF_ROUT, config->pirqf_routing);
+	pci_write_config8(dev, PIRQG_ROUT, config->pirqg_routing);
+	pci_write_config8(dev, PIRQH_ROUT, config->pirqh_routing);
+
+	for(irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) {
+		u8 int_pin=0, int_line=0;
+
+		if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI)
+			continue;
+
+		int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN);
+
+		switch (int_pin) {
+		case 1: /* INTA# */ int_line = config->pirqa_routing; break;
+		case 2: /* INTB# */ int_line = config->pirqb_routing; break;
+		case 3: /* INTC# */ int_line = config->pirqc_routing; break;
+		case 4: /* INTD# */ int_line = config->pirqd_routing; break;
+		}
+
+		if (!int_line)
+			continue;
+
+		pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, int_line);
+	}
+}
+
+static void pch_power_options(device_t dev)
+{
+	u16 reg16;
+	const char *state;
+	/* Get the chip configuration */
+	config_t *config = dev->chip_info;
+	int pwr_on=CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
+
+	/* Which state do we want to goto after g3 (power restored)?
+	 * 0 == S0 Full On
+	 * 1 == S5 Soft Off
+	 *
+	 * If the option is not existent (Laptops), use Kconfig setting.
+	 */
+	get_option(&pwr_on, "power_on_after_fail");
+
+	reg16 = pci_read_config16(dev, GEN_PMCON_3);
+	reg16 &= 0xfffe;
+	switch (pwr_on) {
+	case MAINBOARD_POWER_OFF:
+		reg16 |= 1;
+		state = "off";
+		break;
+	case MAINBOARD_POWER_ON:
+		reg16 &= ~1;
+		state = "on";
+		break;
+	case MAINBOARD_POWER_KEEP:
+		reg16 &= ~1;
+		state = "state keep";
+		break;
+	default:
+		state = "undefined";
+	}
+	pci_write_config16(dev, GEN_PMCON_3, reg16);
+	printk(BIOS_INFO, "Set power %s after power failure.\n", state);
+
+	/* GPE setup based on device tree configuration */
+	enable_all_gpe(config->gpe0_en_1, config->gpe0_en_2,
+		       config->gpe0_en_3, config->gpe0_en_4);
+
+	/* SMI setup based on device tree configuration */
+	enable_alt_smi(config->alt_gp_smi_en);
+}
+
+#if IS_ENABLED(CONFIG_CHROMEOS) && IS_ENABLED(CONFIG_CHROMEOS_VBNV_CMOS)
+/*
+ * Preserve Vboot NV data when clearing CMOS as it will
+ * have been re-initialized already by Vboot firmware init.
+ */
+static void pch_cmos_init_preserve(int reset)
+{
+	uint8_t vbnv[CONFIG_VBNV_SIZE];
+
+	if (reset)
+		read_vbnv(vbnv);
+
+	cmos_init(reset);
+
+	if (reset)
+		save_vbnv(vbnv);
+}
+#endif
+
+static void pch_rtc_init(struct device *dev)
+{
+	u8 reg8;
+	int rtc_failed;
+
+	reg8 = pci_read_config8(dev, GEN_PMCON_3);
+	rtc_failed = reg8 & RTC_BATTERY_DEAD;
+	if (rtc_failed) {
+		reg8 &= ~RTC_BATTERY_DEAD;
+		pci_write_config8(dev, GEN_PMCON_3, reg8);
+		printk(BIOS_DEBUG, "rtc_failed = 0x%x\n", rtc_failed);
+	}
+
+#if IS_ENABLED(CONFIG_CHROMEOS) && IS_ENABLED(CONFIG_CHROMEOS_VBNV_CMOS)
+	pch_cmos_init_preserve(rtc_failed);
+#else
+	cmos_init(rtc_failed);
+#endif
+}
+
+static const struct reg_script pch_misc_init_script[] = {
+	/* Setup SLP signal assertion, SLP_S4=4s, SLP_S3=50ms */
+	REG_PCI_RMW16(GEN_PMCON_3, ~((3 << 4)|(1 << 10)),
+		      (1 << 3)|(1 << 11)|(1 << 12)),
+	/* Prepare sleep mode */
+	REG_IO_RMW32(ACPI_BASE_ADDRESS + PM1_CNT, ~SLP_TYP, SCI_EN),
+	/* Setup NMI on errors, disable SERR */
+	REG_IO_RMW8(0x61, ~0xf0, (1 << 2)),
+	/* Disable NMI sources */
+	REG_IO_OR8(0x70, (1 << 7)),
+	/* Indicate DRAM init done for MRC */
+	REG_PCI_OR8(GEN_PMCON_2, (1 << 7)),
+	/* Enable BIOS updates outside of SMM */
+	REG_PCI_RMW8(0xdc, ~(1 << 5), 0),
+	/* Clear status bits to prevent unexpected wake */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x3310, 0x0000002f),
+	REG_MMIO_RMW32(RCBA_BASE_ADDRESS + 0x3f02, ~0x0000000f, 0),
+	/* Enable PCIe Releaxed Order */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x2314, (1 << 31) | (1 << 7)),
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x1114, (1 << 15) | (1 << 14)),
+	/* Setup SERIRQ, enable continuous mode */
+	REG_PCI_OR8(SERIRQ_CNTL, (1 << 7) | (1 << 6)),
+#if !CONFIG_SERIRQ_CONTINUOUS_MODE
+	REG_PCI_RMW8(SERIRQ_CNTL, ~(1 << 6), 0),
+#endif
+	REG_SCRIPT_END
+};
+
+/* Magic register settings for power management */
+static const struct reg_script pch_pm_init_script[] = {
+	REG_PCI_WRITE8(0xa9, 0x46),
+	REG_MMIO_RMW32(RCBA_BASE_ADDRESS + 0x232c, ~1, 0),
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x1100, 0x0000c13f),
+	REG_MMIO_RMW32(RCBA_BASE_ADDRESS + 0x2320, ~0x60, 0x10),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3314, 0x00012fff),
+	REG_MMIO_RMW32(RCBA_BASE_ADDRESS + 0x3318, ~0x000f0330, 0x0dcf0400),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3324, 0x04000000),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3368, 0x00041400),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3388, 0x3f8ddbff),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x33ac, 0x00007001),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x33b0, 0x00181900),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x33c0, 0x00060A00),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x33d0, 0x06200840),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3a28, 0x01010101),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3a2c, 0x040c0404),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3a9c, 0x9000000a),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x2b1c, 0x03808033),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x2b34, 0x80000009),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3348, 0x022ddfff),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x334c, 0x00000001),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3358, 0x0001c000),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3380, 0x3f8ddbff),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3384, 0x0001c7e1),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x338c, 0x0001c7e1),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3398, 0x0001c000),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x33a8, 0x00181900),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x33dc, 0x00080000),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x33e0, 0x00000001),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3a20, 0x0000040c),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3a24, 0x01010101),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3a30, 0x01010101),
+	REG_PCI_RMW32(0xac, ~0x00200000, 0),
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x0410, 0x00000003),
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x2618, 0x08000000),
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x2300, 0x00000002),
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x2600, 0x00000008),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x33b4, 0x00007001),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3350, 0x022ddfff),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3354, 0x00000001),
+	/* Power Optimizer */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33d4, 0x08000000),
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33c8, 0x08000080),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x2b10, 0x0000883c),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x2b14, 0x1e0a4616),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x2b24, 0x40000005),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x2b20, 0x0005db01),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3a80, 0x05145005),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3a84, 0x00001005),
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33d4, 0x2fff2fb1),
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33c8, 0x00008000),
+	REG_SCRIPT_END
+};
+
+static void pch_enable_mphy(void)
+{
+	u32 gpio71_native = gpio_is_native(71);
+	u32 data_and = 0xffffffff;
+	u32 data_or = (1 << 14) | (1 << 13) | (1 << 12);
+
+	if (gpio71_native) {
+		data_or |= (1 << 0);
+		if (pch_is_wpt()) {
+			data_and &= ~((1 << 7) | (1 << 6) | (1 << 3));
+			data_or |= (1 << 5) | (1 << 4);
+
+			if (pch_is_wpt_ulx()) {
+				/* Check if SATA and USB3 MPHY are enabled */
+				u32 strap19 = pch_read_soft_strap(19);
+				strap19 &= ((1 << 31) | (1 << 30));
+				strap19 >>= 30;
+				if (strap19 == 3) {
+					data_or |= (1 << 3);
+					printk(BIOS_DEBUG, "Enable ULX MPHY PG "
+					       "control in single domain\n");
+				} else if (strap19 == 0) {
+					printk(BIOS_DEBUG, "Enable ULX MPHY PG "
+					       "control in split domains\n");
+				} else {
+					printk(BIOS_DEBUG, "Invalid PCH Soft "
+					       "Strap 19 configuration\n");
+				}
+			} else {
+				data_or |= (1 << 3);
+			}
+		}
+	}
+
+	pch_iobp_update(0xCF000000, data_and, data_or);
+}
+
+static void pch_init_deep_sx(struct device *dev)
+{
+	config_t *config = dev->chip_info;
+
+	if (config->deep_sx_enable_ac) {
+		RCBA32_OR(DEEP_S3_POL, DEEP_S3_EN_AC);
+		RCBA32_OR(DEEP_S5_POL, DEEP_S5_EN_AC);
+	}
+
+	if (config->deep_sx_enable_dc) {
+		RCBA32_OR(DEEP_S3_POL, DEEP_S3_EN_DC);
+		RCBA32_OR(DEEP_S5_POL, DEEP_S5_EN_DC);
+	}
+
+	if (config->deep_sx_enable_ac || config->deep_sx_enable_dc)
+		RCBA32_OR(DEEP_SX_CONFIG,
+			  DEEP_SX_WAKE_PIN_EN | DEEP_SX_GP27_PIN_EN);
+}
+
+/* Power Management init */
+static void pch_pm_init(struct device *dev)
+{
+	printk(BIOS_DEBUG, "PCH PM init\n");
+
+	pch_init_deep_sx(dev);
+
+	pch_enable_mphy();
+
+	reg_script_run_on_dev(dev, pch_pm_init_script);
+
+	if (pch_is_wpt()) {
+		RCBA32_OR(0x33e0, (1 << 4) | (1 << 1));
+		RCBA32_OR(0x2b1c, (1 << 22) | (1 << 14) | (1 << 13));
+		RCBA32(0x33e4) = 0x16bf0002;
+		RCBA32_OR(0x33e4, 0x1);
+	}
+
+	pch_iobp_update(0xCA000000, ~0UL, 0x00000009);
+
+	/* Set RCBA 0x2b1c[29]=1 if DSP disabled */
+	if (RCBA32(FD) & PCH_DISABLE_ADSPD)
+		RCBA32_OR(0x2b1c, (1 << 29));
+
+}
+
+static void pch_cg_init(device_t dev)
+{
+	u32 reg32;
+	u16 reg16;
+
+	/* DMI */
+	RCBA32_OR(0x2234, 0xf);
+
+	reg16 = pci_read_config16(dev, GEN_PMCON_1);
+	reg16 &= ~(1 << 10); /* Disable BIOS_PCI_EXP_EN for native PME */
+	if (pch_is_wpt())
+		reg16 &= ~(1 << 11);
+	else
+		reg16 |= (1 << 11);
+	reg16 |= (1 << 5) | (1 << 6) | (1 << 7) | (1 << 12);
+	reg16 |= (1 << 2); // PCI CLKRUN# Enable
+	pci_write_config16(dev, GEN_PMCON_1, reg16);
+
+	/*
+	 * RCBA + 0x2614[27:25,14:13,10,8] = 101,11,1,1
+	 * RCBA + 0x2614[23:16] = 0x20
+	 * RCBA + 0x2614[30:28] = 0x0
+	 * RCBA + 0x2614[26] = 1 (IF 0:2.0 at 0x08 >= 0x0b)
+	 */
+	RCBA32_AND_OR(0x2614, ~0x64ff0000, 0x0a206500);
+
+	/* Check for 0:2.0 at 0x08 >= 0x0b */
+	if (pch_is_wpt() || pci_read_config8(SA_DEV_IGD, 0x8) >= 0x0b)
+		RCBA32_OR(0x2614, (1 << 26));
+
+	RCBA32_OR(0x900, 0x0000031f);
+
+	reg32 = RCBA32(CG);
+	if (RCBA32(0x3454) & (1 << 4))
+		reg32 &= ~(1 << 29); // LPC Dynamic
+	else
+		reg32 |= (1 << 29); // LPC Dynamic
+	reg32 |= (1 << 31); // LP LPC
+	reg32 |= (1 << 30); // LP BLA
+	if (RCBA32(0x3454) & (1 << 4))
+		reg32 &= ~(1 << 29);
+	else
+		reg32 |= (1 << 29);
+	reg32 |= (1 << 28); // GPIO Dynamic
+	reg32 |= (1 << 27); // HPET Dynamic
+	reg32 |= (1 << 26); // Generic Platform Event Clock
+	if (RCBA32(BUC) & PCH_DISABLE_GBE)
+		reg32 |= (1 << 23); // GbE Static
+	if (RCBA32(FD) & PCH_DISABLE_HD_AUDIO)
+		reg32 |= (1 << 21); // HDA Static
+	reg32 |= (1 << 22); // HDA Dynamic
+	RCBA32(CG) = reg32;
+
+	/* PCH-LP LPC */
+	if (pch_is_wpt())
+		RCBA32_AND_OR(0x3434, ~0x1f, 0x17);
+	else
+		RCBA32_OR(0x3434, 0x7);
+
+	/* SPI */
+	RCBA32_OR(0x38c0, 0x3c07);
+
+	pch_iobp_update(0xCE00C000, ~1UL, 0x00000000);
+}
+
+static void pch_set_acpi_mode(void)
+{
+#if CONFIG_HAVE_SMI_HANDLER
+	if (!acpi_is_wakeup_s3()) {
+		printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n");
+		outb(APM_CNT_ACPI_DISABLE, APM_CNT);
+		printk(BIOS_DEBUG, "done.\n");
+	}
+#endif /* CONFIG_HAVE_SMI_HANDLER */
+}
+
+static void lpc_init(struct device *dev)
+{
+	/* Legacy initialization */
+	isa_dma_init();
+	pch_rtc_init(dev);
+	reg_script_run_on_dev(dev, pch_misc_init_script);
+
+	/* Interrupt configuration */
+	pch_enable_ioapic(dev);
+	pch_pirq_init(dev);
+	setup_i8259();
+	i8259_configure_irq_trigger(9, 1);
+
+	/* Initialize power management */
+	pch_power_options(dev);
+	pch_pm_init(dev);
+	pch_cg_init(dev);
+
+	pch_set_acpi_mode();
+}
+
+static void pch_lpc_add_mmio_resources(device_t dev)
+{
+	u32 reg;
+	struct resource *res;
+	const u32 default_decode_base = IO_APIC_ADDR;
+
+	/*
+	 * Just report all resources from IO-APIC base to 4GiB. Don't mark
+	 * them reserved as that may upset the OS if this range is marked
+	 * as reserved in the e820.
+	 */
+	res = new_resource(dev, OIC);
+	res->base = default_decode_base;
+	res->size = 0 - default_decode_base;
+	res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+	/* RCBA */
+	if (RCBA_BASE_ADDRESS < default_decode_base) {
+		res = new_resource(dev, RCBA);
+		res->base = RCBA_BASE_ADDRESS;
+		res->size = 16 * 1024;
+		res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED |
+		             IORESOURCE_FIXED | IORESOURCE_RESERVE;
+	}
+
+	/* Check LPC Memory Decode register. */
+	reg = pci_read_config32(dev, LGMR);
+	if (reg & 1) {
+		reg &= ~0xffff;
+		if (reg < default_decode_base) {
+			res = new_resource(dev, LGMR);
+			res->base = reg;
+			res->size = 16 * 1024;
+			res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED |
+			             IORESOURCE_FIXED | IORESOURCE_RESERVE;
+		}
+	}
+}
+
+/* Default IO range claimed by the LPC device. The upper bound is exclusive. */
+#define LPC_DEFAULT_IO_RANGE_LOWER 0
+#define LPC_DEFAULT_IO_RANGE_UPPER 0x1000
+
+static inline int pch_io_range_in_default(u16 base, u16 size)
+{
+	/* Does it start above the range? */
+	if (base >= LPC_DEFAULT_IO_RANGE_UPPER)
+		return 0;
+
+	/* Is it entirely contained? */
+	if (base >= LPC_DEFAULT_IO_RANGE_LOWER &&
+	    (base + size) < LPC_DEFAULT_IO_RANGE_UPPER)
+		return 1;
+
+	/* This will return not in range for partial overlaps. */
+	return 0;
+}
+
+/*
+ * Note: this function assumes there is no overlap with the default LPC device's
+ * claimed range: LPC_DEFAULT_IO_RANGE_LOWER -> LPC_DEFAULT_IO_RANGE_UPPER.
+ */
+static void pch_lpc_add_io_resource(device_t dev, u16 base, u16 size, int index)
+{
+	struct resource *res;
+
+	if (pch_io_range_in_default(base, size))
+		return;
+
+	res = new_resource(dev, index);
+	res->base = base;
+	res->size = size;
+	res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
+static void pch_lpc_add_gen_io_resources(device_t dev, int reg_value, int index)
+{
+	/*
+	 * Check if the register is enabled. If so and the base exceeds the
+	 * device's default claim range add the resource.
+	 */
+	if (reg_value & 1) {
+		u16 base = reg_value & 0xfffc;
+		u16 size = (0x3 | ((reg_value >> 16) & 0xfc)) + 1;
+		pch_lpc_add_io_resource(dev, base, size, index);
+	}
+}
+
+static void pch_lpc_add_io_resources(device_t dev)
+{
+	struct resource *res;
+	config_t *config = dev->chip_info;
+
+	/* Add the default claimed IO range for the LPC device. */
+	res = new_resource(dev, 0);
+	res->base = LPC_DEFAULT_IO_RANGE_LOWER;
+	res->size = LPC_DEFAULT_IO_RANGE_UPPER - LPC_DEFAULT_IO_RANGE_LOWER;
+	res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+	/* GPIOBASE */
+	pch_lpc_add_io_resource(dev, GPIO_BASE_ADDRESS,
+				GPIO_BASE_SIZE, GPIO_BASE);
+
+	/* PMBASE */
+	pch_lpc_add_io_resource(dev, ACPI_BASE_ADDRESS, ACPI_BASE_SIZE, PMBASE);
+
+	/* LPC Generic IO Decode range. */
+	pch_lpc_add_gen_io_resources(dev, config->gen1_dec, LPC_GEN1_DEC);
+	pch_lpc_add_gen_io_resources(dev, config->gen2_dec, LPC_GEN2_DEC);
+	pch_lpc_add_gen_io_resources(dev, config->gen3_dec, LPC_GEN3_DEC);
+	pch_lpc_add_gen_io_resources(dev, config->gen4_dec, LPC_GEN4_DEC);
+}
+
+static void pch_lpc_read_resources(device_t dev)
+{
+	global_nvs_t *gnvs;
+
+	/* Get the normal PCI resources of this device. */
+	pci_dev_read_resources(dev);
+
+	/* Add non-standard MMIO resources. */
+	pch_lpc_add_mmio_resources(dev);
+
+	/* Add IO resources. */
+	pch_lpc_add_io_resources(dev);
+
+	/* Allocate ACPI NVS in CBMEM */
+	gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(global_nvs_t));
+	if (!acpi_is_wakeup_s3() && gnvs)
+		memset(gnvs, 0, sizeof(global_nvs_t));
+}
+
+static void southcluster_inject_dsdt(void)
+{
+	global_nvs_t *gnvs;
+
+	gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
+	if (!gnvs) {
+		gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof (*gnvs));
+		if (gnvs)
+			memset(gnvs, 0, sizeof(*gnvs));
+	}
+
+	if (gnvs) {
+		memset(gnvs, 0, sizeof(*gnvs));
+		acpi_create_gnvs(gnvs);
+		acpi_save_gnvs((unsigned long)gnvs);
+		/* And tell SMI about it */
+		smm_setup_structures(gnvs, NULL, NULL);
+
+		/* Add it to DSDT.  */
+		acpigen_write_scope("\\");
+		acpigen_write_name_dword("NVSA", (u32) gnvs);
+		acpigen_pop_len();
+	}
+}
+
+static struct device_operations device_ops = {
+	.read_resources		= &pch_lpc_read_resources,
+	.set_resources		= &pci_dev_set_resources,
+	.enable_resources	= &pci_dev_enable_resources,
+	.acpi_inject_dsdt_generator = southcluster_inject_dsdt,
+	.write_acpi_tables      = acpi_write_hpet,
+	.init			= &lpc_init,
+	.scan_bus		= &scan_static_bus,
+	.ops_pci		= &broadwell_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = {
+	PCH_LPT_LP_SAMPLE,
+	PCH_LPT_LP_PREMIUM,
+	PCH_LPT_LP_MAINSTREAM,
+	PCH_LPT_LP_VALUE,
+	PCH_WPT_HSW_U_SAMPLE,
+	PCH_WPT_BDW_U_SAMPLE,
+	PCH_WPT_BDW_U_PREMIUM,
+	PCH_WPT_BDW_U_BASE,
+	PCH_WPT_BDW_Y_SAMPLE,
+	PCH_WPT_BDW_Y_PREMIUM,
+	PCH_WPT_BDW_Y_BASE,
+	PCH_WPT_BDW_H,
+	0
+};
+
+static const struct pci_driver pch_lpc __pci_driver = {
+	.ops	 = &device_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};
diff --git a/src/soc/intel/skylake/me.c b/src/soc/intel/skylake/me.c
new file mode 100644
index 0000000..3cac120
--- /dev/null
+++ b/src/soc/intel/skylake/me.c
@@ -0,0 +1,1085 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/*
+ * This is a ramstage driver for the Intel Management Engine found in the
+ * southbridge.  It handles the required boot-time messages over the
+ * MMIO-based Management Engine Interface to tell the ME that the BIOS is
+ * finished with POST.  Additional messages are defined for debug but are
+ * not used unless the console loglevel is high enough.
+ */
+
+#include <arch/acpi.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_def.h>
+#include <string.h>
+#include <delay.h>
+#include <elog.h>
+#include <soc/me.h>
+#include <soc/lpc.h>
+#include <soc/pch.h>
+#include <soc/pci_devs.h>
+#include <soc/ramstage.h>
+#include <soc/rcba.h>
+#include <soc/intel/broadwell/chip.h>
+
+#if CONFIG_CHROMEOS
+#include <vendorcode/google/chromeos/chromeos.h>
+#include <vendorcode/google/chromeos/gnvs.h>
+#endif
+
+/* Path that the BIOS should take based on ME state */
+static const char *me_bios_path_values[] = {
+	[ME_NORMAL_BIOS_PATH]		= "Normal",
+	[ME_S3WAKE_BIOS_PATH]		= "S3 Wake",
+	[ME_ERROR_BIOS_PATH]		= "Error",
+	[ME_RECOVERY_BIOS_PATH]		= "Recovery",
+	[ME_DISABLE_BIOS_PATH]		= "Disable",
+	[ME_FIRMWARE_UPDATE_BIOS_PATH]	= "Firmware Update",
+};
+
+/* MMIO base address for MEI interface */
+static u8 *mei_base_address;
+
+#if CONFIG_DEBUG_INTEL_ME
+static void mei_dump(void *ptr, int dword, int offset, const char *type)
+{
+	struct mei_csr *csr;
+
+	printk(BIOS_SPEW, "%-9s[%02x] : ", type, offset);
+
+	switch (offset) {
+	case MEI_H_CSR:
+	case MEI_ME_CSR_HA:
+		csr = ptr;
+		if (!csr) {
+			printk(BIOS_SPEW, "ERROR: 0x%08x\n", dword);
+			break;
+		}
+		printk(BIOS_SPEW, "cbd=%u cbrp=%02u cbwp=%02u ready=%u "
+		       "reset=%u ig=%u is=%u ie=%u\n", csr->buffer_depth,
+		       csr->buffer_read_ptr, csr->buffer_write_ptr,
+		       csr->ready, csr->reset, csr->interrupt_generate,
+		       csr->interrupt_status, csr->interrupt_enable);
+		break;
+	case MEI_ME_CB_RW:
+	case MEI_H_CB_WW:
+		printk(BIOS_SPEW, "CB: 0x%08x\n", dword);
+		break;
+	default:
+		printk(BIOS_SPEW, "0x%08x\n", offset);
+		break;
+	}
+}
+#else
+# define mei_dump(ptr,dword,offset,type) do {} while (0)
+#endif
+
+/*
+ * ME/MEI access helpers using memcpy to avoid aliasing.
+ */
+
+static inline void mei_read_dword_ptr(void *ptr, int offset)
+{
+	u32 dword = read32(mei_base_address + offset);
+	memcpy(ptr, &dword, sizeof(dword));
+	mei_dump(ptr, dword, offset, "READ");
+}
+
+static inline void mei_write_dword_ptr(void *ptr, int offset)
+{
+	u32 dword = 0;
+	memcpy(&dword, ptr, sizeof(dword));
+	write32(mei_base_address + offset, dword);
+	mei_dump(ptr, dword, offset, "WRITE");
+}
+
+static inline void pci_read_dword_ptr(device_t dev, void *ptr, int offset)
+{
+	u32 dword = pci_read_config32(dev, offset);
+	memcpy(ptr, &dword, sizeof(dword));
+	mei_dump(ptr, dword, offset, "PCI READ");
+}
+
+static inline void read_host_csr(struct mei_csr *csr)
+{
+	mei_read_dword_ptr(csr, MEI_H_CSR);
+}
+
+static inline void write_host_csr(struct mei_csr *csr)
+{
+	mei_write_dword_ptr(csr, MEI_H_CSR);
+}
+
+static inline void read_me_csr(struct mei_csr *csr)
+{
+	mei_read_dword_ptr(csr, MEI_ME_CSR_HA);
+}
+
+static inline void write_cb(u32 dword)
+{
+	write32(mei_base_address + MEI_H_CB_WW, dword);
+	mei_dump(NULL, dword, MEI_H_CB_WW, "WRITE");
+}
+
+static inline u32 read_cb(void)
+{
+	u32 dword = read32(mei_base_address + MEI_ME_CB_RW);
+	mei_dump(NULL, dword, MEI_ME_CB_RW, "READ");
+	return dword;
+}
+
+/* Wait for ME ready bit to be asserted */
+static int mei_wait_for_me_ready(void)
+{
+	struct mei_csr me;
+	unsigned try = ME_RETRY;
+
+	while (try--) {
+		read_me_csr(&me);
+		if (me.ready)
+			return 0;
+		udelay(ME_DELAY);
+	}
+
+	printk(BIOS_ERR, "ME: failed to become ready\n");
+	return -1;
+}
+
+static void mei_reset(void)
+{
+	struct mei_csr host;
+
+	if (mei_wait_for_me_ready() < 0)
+		return;
+
+	/* Reset host and ME circular buffers for next message */
+	read_host_csr(&host);
+	host.reset = 1;
+	host.interrupt_generate = 1;
+	write_host_csr(&host);
+
+	if (mei_wait_for_me_ready() < 0)
+		return;
+
+	/* Re-init and indicate host is ready */
+	read_host_csr(&host);
+	host.interrupt_generate = 1;
+	host.ready = 1;
+	host.reset = 0;
+	write_host_csr(&host);
+}
+
+static int mei_send_packet(struct mei_header *mei, void *req_data)
+{
+	struct mei_csr host;
+	unsigned ndata, n;
+	u32 *data;
+
+	/* Number of dwords to write */
+	ndata = mei->length >> 2;
+
+	/* Pad non-dword aligned request message length */
+	if (mei->length & 3)
+		ndata++;
+	if (!ndata) {
+		printk(BIOS_DEBUG, "ME: request has no data\n");
+		return -1;
+	}
+	ndata++; /* Add MEI header */
+
+	/*
+	 * Make sure there is still room left in the circular buffer.
+	 * Reset the buffer pointers if the requested message will not fit.
+	 */
+	read_host_csr(&host);
+	if ((host.buffer_depth - host.buffer_write_ptr) < ndata) {
+		printk(BIOS_ERR, "ME: circular buffer full, resetting...\n");
+		mei_reset();
+		read_host_csr(&host);
+	}
+
+	/* Ensure the requested length will fit in the circular buffer. */
+	if ((host.buffer_depth - host.buffer_write_ptr) < ndata) {
+		printk(BIOS_ERR, "ME: message (%u) too large for buffer (%u)\n",
+		       ndata + 2, host.buffer_depth);
+		return -1;
+	}
+
+	/* Write MEI header */
+	mei_write_dword_ptr(mei, MEI_H_CB_WW);
+	ndata--;
+
+	/* Write message data */
+	data = req_data;
+	for (n = 0; n < ndata; ++n)
+		write_cb(*data++);
+
+	/* Generate interrupt to the ME */
+	read_host_csr(&host);
+	host.interrupt_generate = 1;
+	write_host_csr(&host);
+
+	/* Make sure ME is ready after sending request data */
+	return mei_wait_for_me_ready();
+}
+
+static int mei_send_data(u8 me_address, u8 host_address,
+			 void *req_data, int req_bytes)
+{
+	struct mei_header header = {
+		.client_address = me_address,
+		.host_address = host_address,
+	};
+	struct mei_csr host;
+	int current = 0;
+	u8 *req_ptr = req_data;
+
+	while (!header.is_complete) {
+		int remain = req_bytes - current;
+		int buf_len;
+
+		read_host_csr(&host);
+		buf_len = host.buffer_depth - host.buffer_write_ptr;
+
+		if (buf_len > remain) {
+			/* Send all remaining data as final message */
+			header.length = req_bytes - current;
+			header.is_complete = 1;
+		} else {
+			/* Send as much data as the buffer can hold */
+			header.length = buf_len;
+		}
+
+		mei_send_packet(&header, req_ptr);
+
+		req_ptr += header.length;
+		current += header.length;
+	}
+
+	return 0;
+}
+
+static int mei_send_header(u8 me_address, u8 host_address,
+			   void *header, int header_len, int complete)
+{
+	struct mei_header mei = {
+		.client_address = me_address,
+		.host_address   = host_address,
+		.length         = header_len,
+		.is_complete    = complete,
+	};
+	return mei_send_packet(&mei, header);
+}
+
+static int mei_recv_msg(void *header, int header_bytes,
+			void *rsp_data, int rsp_bytes)
+{
+	struct mei_header mei_rsp;
+	struct mei_csr me, host;
+	unsigned ndata, n;
+	unsigned expected;
+	u32 *data;
+
+	/* Total number of dwords to read from circular buffer */
+	expected = (rsp_bytes + sizeof(mei_rsp) + header_bytes) >> 2;
+	if (rsp_bytes & 3)
+		expected++;
+
+	if (mei_wait_for_me_ready() < 0)
+		return -1;
+
+	/*
+	 * The interrupt status bit does not appear to indicate that the
+	 * message has actually been received.  Instead we wait until the
+	 * expected number of dwords are present in the circular buffer.
+	 */
+	for (n = ME_RETRY; n; --n) {
+		read_me_csr(&me);
+		if ((me.buffer_write_ptr - me.buffer_read_ptr) >= expected)
+			break;
+		udelay(ME_DELAY);
+	}
+	if (!n) {
+		printk(BIOS_ERR, "ME: timeout waiting for data: expected "
+		       "%u, available %u\n", expected,
+		       me.buffer_write_ptr - me.buffer_read_ptr);
+		return -1;
+	}
+
+	/* Read and verify MEI response header from the ME */
+	mei_read_dword_ptr(&mei_rsp, MEI_ME_CB_RW);
+	if (!mei_rsp.is_complete) {
+		printk(BIOS_ERR, "ME: response is not complete\n");
+		return -1;
+	}
+
+	/* Handle non-dword responses and expect at least the header */
+	ndata = mei_rsp.length >> 2;
+	if (mei_rsp.length & 3)
+		ndata++;
+	if (ndata != (expected - 1)) {
+		printk(BIOS_ERR, "ME: response is missing data %d != %d\n",
+		       ndata, (expected - 1));
+		return -1;
+	}
+
+	/* Read response header from the ME */
+	data = header;
+	for (n = 0; n < (header_bytes >> 2); ++n)
+		*data++ = read_cb();
+	ndata -= header_bytes >> 2;
+
+	/* Make sure caller passed a buffer with enough space */
+	if (ndata != (rsp_bytes >> 2)) {
+		printk(BIOS_ERR, "ME: not enough room in response buffer: "
+		       "%u != %u\n", ndata, rsp_bytes >> 2);
+		return -1;
+	}
+
+	/* Read response data from the circular buffer */
+	data = rsp_data;
+	for (n = 0; n < ndata; ++n)
+		*data++ = read_cb();
+
+	/* Tell the ME that we have consumed the response */
+	read_host_csr(&host);
+	host.interrupt_status = 1;
+	host.interrupt_generate = 1;
+	write_host_csr(&host);
+
+	return mei_wait_for_me_ready();
+}
+
+static inline int mei_sendrecv_mkhi(struct mkhi_header *mkhi,
+				    void *req_data, int req_bytes,
+				    void *rsp_data, int rsp_bytes)
+{
+	struct mkhi_header mkhi_rsp;
+
+	/* Send header */
+	if (mei_send_header(MEI_ADDRESS_MKHI, MEI_HOST_ADDRESS,
+			    mkhi, sizeof(*mkhi), req_bytes ? 0 : 1) < 0)
+		return -1;
+
+	/* Send data if available */
+	if (req_bytes && mei_send_data(MEI_ADDRESS_MKHI, MEI_HOST_ADDRESS,
+				     req_data, req_bytes) < 0)
+		return -1;
+
+	/* Return now if no response expected */
+	if (!rsp_bytes)
+		return 0;
+
+	/* Read header and data */
+	if (mei_recv_msg(&mkhi_rsp, sizeof(mkhi_rsp),
+			 rsp_data, rsp_bytes) < 0)
+		return -1;
+
+	if (!mkhi_rsp.is_response ||
+	    mkhi->group_id != mkhi_rsp.group_id ||
+	    mkhi->command != mkhi_rsp.command) {
+		printk(BIOS_ERR, "ME: invalid response, group %u ?= %u,"
+		       "command %u ?= %u, is_response %u\n", mkhi->group_id,
+		       mkhi_rsp.group_id, mkhi->command, mkhi_rsp.command,
+		       mkhi_rsp.is_response);
+		return -1;
+	}
+
+	return 0;
+}
+
+static inline int mei_sendrecv_icc(struct icc_header *icc,
+				   void *req_data, int req_bytes,
+				   void *rsp_data, int rsp_bytes)
+{
+	struct icc_header icc_rsp;
+
+	/* Send header */
+	if (mei_send_header(MEI_ADDRESS_ICC, MEI_HOST_ADDRESS,
+			    icc, sizeof(*icc), req_bytes ? 0 : 1) < 0)
+		return -1;
+
+	/* Send data if available */
+	if (req_bytes && mei_send_data(MEI_ADDRESS_ICC, MEI_HOST_ADDRESS,
+				       req_data, req_bytes) < 0)
+		return -1;
+
+	/* Read header and data, if needed */
+	if (rsp_bytes && mei_recv_msg(&icc_rsp, sizeof(icc_rsp),
+				      rsp_data, rsp_bytes) < 0)
+		return -1;
+
+	return 0;
+}
+
+/*
+ * mbp give up routine. This path is taken if hfs.mpb_rdy is 0 or the read
+ * state machine on the BIOS end doesn't match the ME's state machine.
+ */
+static void intel_me_mbp_give_up(device_t dev)
+{
+	struct mei_csr csr;
+
+	pci_write_config32(dev, PCI_ME_H_GS2, PCI_ME_MBP_GIVE_UP);
+
+	read_host_csr(&csr);
+	csr.reset = 1;
+	csr.interrupt_generate = 1;
+	write_host_csr(&csr);
+}
+
+/*
+ * mbp clear routine. This will wait for the ME to indicate that
+ * the MBP has been read and cleared.
+ */
+static void intel_me_mbp_clear(device_t dev)
+{
+	int count;
+	struct me_hfs2 hfs2;
+
+	/* Wait for the mbp_cleared indicator */
+	for (count = ME_RETRY; count > 0; --count) {
+		pci_read_dword_ptr(dev, &hfs2, PCI_ME_HFS2);
+		if (hfs2.mbp_cleared)
+			break;
+		udelay(ME_DELAY);
+	}
+
+	if (count == 0) {
+		printk(BIOS_WARNING, "ME: Timeout waiting for mbp_cleared\n");
+		intel_me_mbp_give_up(dev);
+	} else {
+		printk(BIOS_INFO, "ME: MBP cleared\n");
+	}
+}
+
+static void me_print_fw_version(mbp_fw_version_name *vers_name)
+{
+	if (!vers_name) {
+		printk(BIOS_ERR, "ME: mbp missing version report\n");
+		return;
+	}
+
+	printk(BIOS_DEBUG, "ME: found version %d.%d.%d.%d\n",
+	       vers_name->major_version, vers_name->minor_version,
+	       vers_name->hotfix_version, vers_name->build_version);
+}
+
+#if CONFIG_DEBUG_INTEL_ME
+static inline void print_cap(const char *name, int state)
+{
+	printk(BIOS_DEBUG, "ME Capability: %-41s : %sabled\n",
+	       name, state ? " en" : "dis");
+}
+
+/* Get ME Firmware Capabilities */
+static int mkhi_get_fwcaps(mbp_mefwcaps *cap)
+{
+	u32 rule_id = 0;
+	struct me_fwcaps cap_msg;
+	struct mkhi_header mkhi = {
+		.group_id       = MKHI_GROUP_ID_FWCAPS,
+		.command        = MKHI_FWCAPS_GET_RULE,
+	};
+
+	/* Send request and wait for response */
+	if (mei_sendrecv_mkhi(&mkhi, &rule_id, sizeof(u32),
+			      &cap_msg, sizeof(cap_msg)) < 0) {
+		printk(BIOS_ERR, "ME: GET FWCAPS message failed\n");
+		return -1;
+        }
+	*cap = cap_msg.caps_sku;
+	return 0;
+}
+
+/* Get ME Firmware Capabilities */
+static void me_print_fwcaps(mbp_mefwcaps *cap)
+{
+	mbp_mefwcaps local_caps;
+	if (!cap) {
+		cap = &local_caps;
+		printk(BIOS_ERR, "ME: mbp missing fwcaps report\n");
+		if (mkhi_get_fwcaps(cap))
+			return;
+	}
+
+	print_cap("Full Network manageability", cap->full_net);
+	print_cap("Regular Network manageability", cap->std_net);
+	print_cap("Manageability", cap->manageability);
+	print_cap("IntelR Anti-Theft (AT)", cap->intel_at);
+	print_cap("IntelR Capability Licensing Service (CLS)", cap->intel_cls);
+	print_cap("IntelR Power Sharing Technology (MPC)", cap->intel_mpc);
+	print_cap("ICC Over Clocking", cap->icc_over_clocking);
+	print_cap("Protected Audio Video Path (PAVP)", cap->pavp);
+	print_cap("IPV6", cap->ipv6);
+	print_cap("KVM Remote Control (KVM)", cap->kvm);
+	print_cap("Outbreak Containment Heuristic (OCH)", cap->och);
+	print_cap("Virtual LAN (VLAN)", cap->vlan);
+	print_cap("TLS", cap->tls);
+	print_cap("Wireless LAN (WLAN)", cap->wlan);
+}
+#endif
+
+/* Send END OF POST message to the ME */
+static int mkhi_end_of_post(void)
+{
+	struct mkhi_header mkhi = {
+		.group_id	= MKHI_GROUP_ID_GEN,
+		.command	= MKHI_END_OF_POST,
+	};
+	u32 eop_ack;
+
+	/* Send request and wait for response */
+	if (mei_sendrecv_mkhi(&mkhi, NULL, 0, &eop_ack, sizeof(eop_ack)) < 0) {
+		printk(BIOS_ERR, "ME: END OF POST message failed\n");
+		return -1;
+	}
+
+	printk(BIOS_INFO, "ME: END OF POST message successful (%d)\n", eop_ack);
+	return 0;
+}
+
+/* Send END OF POST message to the ME */
+static int mkhi_end_of_post_noack(void)
+{
+	struct mkhi_header mkhi = {
+		.group_id	= MKHI_GROUP_ID_GEN,
+		.command	= MKHI_END_OF_POST_NOACK,
+	};
+
+	/* Send request, do not wait for response */
+	if (mei_sendrecv_mkhi(&mkhi, NULL, 0, NULL, 0) < 0) {
+		printk(BIOS_ERR, "ME: END OF POST NOACK message failed\n");
+		return -1;
+	}
+
+	printk(BIOS_INFO, "ME: END OF POST NOACK message successful\n");
+	return 0;
+}
+
+/* Send HMRFPO LOCK message to the ME */
+static int mkhi_hmrfpo_lock(void)
+{
+	struct mkhi_header mkhi = {
+		.group_id	= MKHI_GROUP_ID_HMRFPO,
+		.command	= MKHI_HMRFPO_LOCK,
+	};
+	u32 ack;
+
+	/* Send request and wait for response */
+	if (mei_sendrecv_mkhi(&mkhi, NULL, 0, &ack, sizeof(ack)) < 0) {
+		printk(BIOS_ERR, "ME: HMRFPO LOCK message failed\n");
+		return -1;
+	}
+
+	printk(BIOS_INFO, "ME: HMRPFO LOCK message successful (%d)\n", ack);
+	return 0;
+}
+
+/* Send HMRFPO LOCK message to the ME, do not wait for response */
+static int mkhi_hmrfpo_lock_noack(void)
+{
+	struct mkhi_header mkhi = {
+		.group_id	= MKHI_GROUP_ID_HMRFPO,
+		.command	= MKHI_HMRFPO_LOCK_NOACK,
+	};
+
+	/* Send request, do not wait for response */
+	if (mei_sendrecv_mkhi(&mkhi, NULL, 0, NULL, 0) < 0) {
+		printk(BIOS_ERR, "ME: HMRFPO LOCK NOACK message failed\n");
+		return -1;
+	}
+
+	printk(BIOS_INFO, "ME: HMRPFO LOCK NOACK message successful\n");
+	return 0;
+}
+
+static void intel_me_finalize(device_t dev)
+{
+	u32 reg32;
+
+	/* S3 path will have hidden this device already */
+	if (!mei_base_address || mei_base_address == (u8*) 0xfffffff0)
+		return;
+
+	/* Make sure IO is disabled */
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	reg32 &= ~(PCI_COMMAND_MASTER |
+		   PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
+	pci_write_config32(dev, PCI_COMMAND, reg32);
+
+	/* Hide the PCI device */
+	RCBA32_OR(FD2, PCH_DISABLE_MEI1);
+	RCBA32(FD2);
+}
+
+static int me_icc_set_clock_enables(u32 mask)
+{
+	struct icc_clock_enables_msg clk = {
+		.clock_enables	= 0, /* Turn off specified clocks */
+		.clock_mask	= mask,
+		.no_response	= 1, /* Do not expect response */
+	};
+	struct icc_header icc = {
+		.api_version	= ICC_API_VERSION_LYNXPOINT,
+		.icc_command	= ICC_SET_CLOCK_ENABLES,
+		.length		= sizeof(clk),
+	};
+
+	/* Send request and wait for response */
+	if (mei_sendrecv_icc(&icc, &clk, sizeof(clk), NULL, 0) < 0) {
+		printk(BIOS_ERR, "ME: ICC SET CLOCK ENABLES message failed\n");
+		return -1;
+        } else {
+		printk(BIOS_INFO, "ME: ICC SET CLOCK ENABLES 0x%08x\n", mask);
+	}
+
+	return 0;
+}
+
+/* Determine the path that we should take based on ME status */
+static me_bios_path intel_me_path(device_t dev)
+{
+	me_bios_path path = ME_DISABLE_BIOS_PATH;
+	struct me_hfs hfs;
+	struct me_hfs2 hfs2;
+
+	/* Check and dump status */
+	intel_me_status();
+
+	pci_read_dword_ptr(dev, &hfs, PCI_ME_HFS);
+	pci_read_dword_ptr(dev, &hfs2, PCI_ME_HFS2);
+
+	/* Check Current Working State */
+	switch (hfs.working_state) {
+	case ME_HFS_CWS_NORMAL:
+		path = ME_NORMAL_BIOS_PATH;
+		break;
+	case ME_HFS_CWS_REC:
+		path = ME_RECOVERY_BIOS_PATH;
+		break;
+	default:
+		path = ME_DISABLE_BIOS_PATH;
+		break;
+	}
+
+	/* Check Current Operation Mode */
+	switch (hfs.operation_mode) {
+	case ME_HFS_MODE_NORMAL:
+		break;
+	case ME_HFS_MODE_DEBUG:
+	case ME_HFS_MODE_DIS:
+	case ME_HFS_MODE_OVER_JMPR:
+	case ME_HFS_MODE_OVER_MEI:
+	default:
+		path = ME_DISABLE_BIOS_PATH;
+		break;
+	}
+
+	/* Check for any error code and valid firmware and MBP */
+	if (hfs.error_code || hfs.fpt_bad)
+		path = ME_ERROR_BIOS_PATH;
+
+	/* Check if the MBP is ready */
+	if (!hfs2.mbp_rdy) {
+		printk(BIOS_CRIT, "%s: mbp is not ready!\n",
+		       __FUNCTION__);
+		path = ME_ERROR_BIOS_PATH;
+	}
+
+#if CONFIG_ELOG
+	if (path != ME_NORMAL_BIOS_PATH) {
+		struct elog_event_data_me_extended data = {
+			.current_working_state = hfs.working_state,
+			.operation_state       = hfs.operation_state,
+			.operation_mode        = hfs.operation_mode,
+			.error_code            = hfs.error_code,
+			.progress_code         = hfs2.progress_code,
+			.current_pmevent       = hfs2.current_pmevent,
+			.current_state         = hfs2.current_state,
+		};
+		elog_add_event_byte(ELOG_TYPE_MANAGEMENT_ENGINE, path);
+		elog_add_event_raw(ELOG_TYPE_MANAGEMENT_ENGINE_EXT,
+				   &data, sizeof(data));
+	}
+#endif
+
+	return path;
+}
+
+/* Prepare ME for MEI messages */
+static int intel_mei_setup(device_t dev)
+{
+	struct resource *res;
+	struct mei_csr host;
+	u32 reg32;
+
+	/* Find the MMIO base for the ME interface */
+	res = find_resource(dev, PCI_BASE_ADDRESS_0);
+	if (!res || res->base == 0 || res->size == 0) {
+		printk(BIOS_DEBUG, "ME: MEI resource not present!\n");
+		return -1;
+	}
+	mei_base_address = res2mmio(res, 0, 0);
+
+	/* Ensure Memory and Bus Master bits are set */
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+	pci_write_config32(dev, PCI_COMMAND, reg32);
+
+	/* Clean up status for next message */
+	read_host_csr(&host);
+	host.interrupt_generate = 1;
+	host.ready = 1;
+	host.reset = 0;
+	write_host_csr(&host);
+
+	return 0;
+}
+
+/* Read the Extend register hash of ME firmware */
+static int intel_me_extend_valid(device_t dev)
+{
+	struct me_heres status;
+	u32 extend[8] = {0};
+	int i, count = 0;
+
+	pci_read_dword_ptr(dev, &status, PCI_ME_HERES);
+	if (!status.extend_feature_present) {
+		printk(BIOS_ERR, "ME: Extend Feature not present\n");
+		return -1;
+	}
+
+	if (!status.extend_reg_valid) {
+		printk(BIOS_ERR, "ME: Extend Register not valid\n");
+		return -1;
+	}
+
+	switch (status.extend_reg_algorithm) {
+	case PCI_ME_EXT_SHA1:
+		count = 5;
+		printk(BIOS_DEBUG, "ME: Extend SHA-1: ");
+		break;
+	case PCI_ME_EXT_SHA256:
+		count = 8;
+		printk(BIOS_DEBUG, "ME: Extend SHA-256: ");
+		break;
+	default:
+		printk(BIOS_ERR, "ME: Extend Algorithm %d unknown\n",
+		       status.extend_reg_algorithm);
+		return -1;
+	}
+
+	for (i = 0; i < count; ++i) {
+		extend[i] = pci_read_config32(dev, PCI_ME_HER(i));
+		printk(BIOS_DEBUG, "%08x", extend[i]);
+	}
+	printk(BIOS_DEBUG, "\n");
+
+#if CONFIG_CHROMEOS
+	/* Save hash in NVS for the OS to verify */
+	chromeos_set_me_hash(extend, count);
+#endif
+
+	return 0;
+}
+
+static void intel_me_print_mbp(me_bios_payload *mbp_data)
+{
+	me_print_fw_version(mbp_data->fw_version_name);
+
+#if CONFIG_DEBUG_INTEL_ME
+	me_print_fwcaps(mbp_data->fw_capabilities);
+#endif
+
+	if (mbp_data->plat_time) {
+		printk(BIOS_DEBUG, "ME: Wake Event to ME Reset:      %u ms\n",
+		       mbp_data->plat_time->wake_event_mrst_time_ms);
+		printk(BIOS_DEBUG, "ME: ME Reset to Platform Reset:  %u ms\n",
+		       mbp_data->plat_time->mrst_pltrst_time_ms);
+		printk(BIOS_DEBUG, "ME: Platform Reset to CPU Reset: %u ms\n",
+		       mbp_data->plat_time->pltrst_cpurst_time_ms);
+	}
+}
+
+static u32 me_to_host_words_pending(void)
+{
+	struct mei_csr me;
+	read_me_csr(&me);
+	if (!me.ready)
+		return 0;
+	return (me.buffer_write_ptr - me.buffer_read_ptr) &
+		(me.buffer_depth - 1);
+}
+
+struct mbp_payload {
+	mbp_header header;
+	u32 data[0];
+};
+
+/*
+ * Read and print ME MBP data
+ *
+ * Return -1 to indicate a problem (give up)
+ * Return 0 to indicate success (send LOCK+EOP)
+ * Return 1 to indicate success (send LOCK+EOP with NOACK)
+ */
+static int intel_me_read_mbp(me_bios_payload *mbp_data, device_t dev)
+{
+	mbp_header mbp_hdr;
+	u32 me2host_pending;
+	struct mei_csr host;
+	struct me_hfs2 hfs2;
+	struct mbp_payload *mbp;
+	int i;
+	int ret = 0;
+
+	pci_read_dword_ptr(dev, &hfs2, PCI_ME_HFS2);
+
+	if (!hfs2.mbp_rdy) {
+		printk(BIOS_ERR, "ME: MBP not ready\n");
+		intel_me_mbp_give_up(dev);
+		return -1;
+	}
+
+	me2host_pending = me_to_host_words_pending();
+	if (!me2host_pending) {
+		printk(BIOS_ERR, "ME: no mbp data!\n");
+		intel_me_mbp_give_up(dev);
+		return -1;
+	}
+
+	/* we know for sure that at least the header is there */
+	mei_read_dword_ptr(&mbp_hdr, MEI_ME_CB_RW);
+
+	if ((mbp_hdr.num_entries > (mbp_hdr.mbp_size / 2)) ||
+	    (me2host_pending < mbp_hdr.mbp_size)) {
+		printk(BIOS_ERR, "ME: mbp of %d entries, total size %d words"
+		       " buffer contains %d words\n",
+		       mbp_hdr.num_entries, mbp_hdr.mbp_size,
+		       me2host_pending);
+		intel_me_mbp_give_up(dev);
+		return -1;
+	}
+	mbp = malloc(mbp_hdr.mbp_size * sizeof(u32));
+	if (!mbp) {
+		intel_me_mbp_give_up(dev);
+		return -1;
+	}
+
+	mbp->header = mbp_hdr;
+	me2host_pending--;
+
+	i = 0;
+	while (i != me2host_pending) {
+		mei_read_dword_ptr(&mbp->data[i], MEI_ME_CB_RW);
+		i++;
+	}
+
+	read_host_csr(&host);
+
+	/* Check that read and write pointers are equal. */
+	if (host.buffer_read_ptr != host.buffer_write_ptr) {
+		printk(BIOS_INFO, "ME: MBP Read/Write pointer mismatch\n");
+		printk(BIOS_INFO, "ME: MBP Waiting for MBP cleared flag\n");
+
+		/* Tell ME that the host has finished reading the MBP. */
+	host.interrupt_generate = 1;
+		host.reset = 0;
+	write_host_csr(&host);
+
+	/* Wait for the mbp_cleared indicator. */
+	intel_me_mbp_clear(dev);
+	} else {
+		/* Indicate NOACK messages should be used. */
+		ret = 1;
+	}
+
+	/* Dump out the MBP contents. */
+#if CONFIG_DEBUG_INTEL_ME
+	printk(BIOS_INFO, "ME MBP: Header: items: %d, size dw: %d\n",
+	       mbp->header.num_entries, mbp->header.mbp_size);
+	for (i = 0; i < mbp->header.mbp_size - 1; i++) {
+		printk(BIOS_INFO, "ME MBP: %04x: 0x%08x\n", i, mbp->data[i]);
+	}
+#endif
+
+#define ASSIGN_FIELD_PTR(field_,val_) \
+	{ \
+		mbp_data->field_ = (typeof(mbp_data->field_))(void *)val_; \
+		break; \
+	}
+
+	/* Setup the pointers in the me_bios_payload structure. */
+	for (i = 0; i < mbp->header.mbp_size - 1;) {
+		mbp_item_header *item = (void *)&mbp->data[i];
+
+		switch(MBP_MAKE_IDENT(item->app_id, item->item_id)) {
+		case MBP_IDENT(KERNEL, FW_VER):
+			ASSIGN_FIELD_PTR(fw_version_name, &mbp->data[i+1]);
+
+		case MBP_IDENT(ICC, PROFILE):
+			ASSIGN_FIELD_PTR(icc_profile, &mbp->data[i+1]);
+
+		case MBP_IDENT(INTEL_AT, STATE):
+			ASSIGN_FIELD_PTR(at_state, &mbp->data[i+1]);
+
+		case MBP_IDENT(KERNEL, FW_CAP):
+			ASSIGN_FIELD_PTR(fw_capabilities, &mbp->data[i+1]);
+
+		case MBP_IDENT(KERNEL, ROM_BIST):
+			ASSIGN_FIELD_PTR(rom_bist_data, &mbp->data[i+1]);
+
+		case MBP_IDENT(KERNEL, PLAT_KEY):
+			ASSIGN_FIELD_PTR(platform_key, &mbp->data[i+1]);
+
+		case MBP_IDENT(KERNEL, FW_TYPE):
+			ASSIGN_FIELD_PTR(fw_plat_type, &mbp->data[i+1]);
+
+		case MBP_IDENT(KERNEL, MFS_FAILURE):
+			ASSIGN_FIELD_PTR(mfsintegrity, &mbp->data[i+1]);
+
+		case MBP_IDENT(KERNEL, PLAT_TIME):
+			ASSIGN_FIELD_PTR(plat_time, &mbp->data[i+1]);
+
+		case MBP_IDENT(NFC, SUPPORT_DATA):
+			ASSIGN_FIELD_PTR(nfc_data, &mbp->data[i+1]);
+		}
+		i += item->length;
+	}
+	#undef ASSIGN_FIELD_PTR
+
+	return ret;
+}
+
+/* Check whether ME is present and do basic init */
+static void intel_me_init(device_t dev)
+{
+	config_t *config = dev->chip_info;
+	me_bios_path path = intel_me_path(dev);
+	me_bios_payload mbp_data;
+	int mbp_ret;
+	struct me_hfs hfs;
+	struct mei_csr csr;
+
+	/* Do initial setup and determine the BIOS path */
+	printk(BIOS_NOTICE, "ME: BIOS path: %s\n", me_bios_path_values[path]);
+
+	if (path == ME_NORMAL_BIOS_PATH) {
+		/* Validate the extend register */
+		intel_me_extend_valid(dev);
+}
+
+	memset(&mbp_data, 0, sizeof(mbp_data));
+
+	/*
+	 * According to the ME9 BWG, BIOS is required to fetch MBP data in
+	 * all boot flows except S3 Resume.
+	 */
+
+	/* Prepare MEI MMIO interface */
+	if (intel_mei_setup(dev) < 0)
+		return;
+
+	/* Read ME MBP data */
+	mbp_ret = intel_me_read_mbp(&mbp_data, dev);
+	if (mbp_ret < 0)
+		return;
+	intel_me_print_mbp(&mbp_data);
+
+	/* Set clock enables according to devicetree */
+	if (config && config->icc_clock_disable)
+		me_icc_set_clock_enables(config->icc_clock_disable);
+
+	/* Make sure ME is in a mode that expects EOP */
+	pci_read_dword_ptr(dev, &hfs, PCI_ME_HFS);
+
+	/* Abort and leave device alone if not normal mode */
+	if (hfs.fpt_bad ||
+	    hfs.working_state != ME_HFS_CWS_NORMAL ||
+	    hfs.operation_mode != ME_HFS_MODE_NORMAL)
+		return;
+
+	if (mbp_ret) {
+		/*
+		 * MBP Cleared wait is skipped,
+		 * Do not expect ACK and reset when complete.
+		 */
+
+		/* Send HMRFPO Lock command, no response */
+		mkhi_hmrfpo_lock_noack();
+
+		/* Send END OF POST command, no response */
+		mkhi_end_of_post_noack();
+
+		/* Assert reset and interrupt */
+		read_host_csr(&csr);
+		csr.interrupt_generate = 1;
+		csr.reset = 1;
+		write_host_csr(&csr);
+	} else {
+		/*
+		 * MBP Cleared wait was not skipped
+		 */
+
+		/* Send HMRFPO LOCK command */
+		mkhi_hmrfpo_lock();
+
+		/* Send EOP command so ME stops accepting other commands */
+		mkhi_end_of_post();
+	}
+}
+
+static void intel_me_enable(device_t dev)
+{
+#if CONFIG_HAVE_ACPI_RESUME
+	/* Avoid talking to the device in S3 path */
+	if (acpi_slp_type == 3) {
+		dev->enabled = 0;
+		pch_disable_devfn(dev);
+	}
+#endif
+}
+
+static struct device_operations device_ops = {
+	.read_resources		= &pci_dev_read_resources,
+	.set_resources		= &pci_dev_set_resources,
+	.enable_resources	= &pci_dev_enable_resources,
+	.enable			= &intel_me_enable,
+	.init			= &intel_me_init,
+	.final			= &intel_me_finalize,
+	.ops_pci		= &broadwell_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = {
+	0x9c3a, /* Low Power */
+	0x9cba, /* WildcatPoint */
+	0
+};
+
+static const struct pci_driver intel_me __pci_driver = {
+	.ops	 = &device_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};
diff --git a/src/soc/intel/skylake/me_status.c b/src/soc/intel/skylake/me_status.c
new file mode 100644
index 0000000..867a9a9
--- /dev/null
+++ b/src/soc/intel/skylake/me_status.c
@@ -0,0 +1,321 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <stdlib.h>
+#include <string.h>
+#include <soc/pci_devs.h>
+#include <soc/me.h>
+#include <delay.h>
+
+static inline void me_read_dword_ptr(void *ptr, int offset)
+{
+	u32 dword = pci_read_config32(PCH_DEV_ME, offset);
+	memcpy(ptr, &dword, sizeof(dword));
+}
+
+#if (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= BIOS_DEBUG)
+
+/* HFS1[3:0] Current Working State Values */
+static const char *me_cws_values[] = {
+	[ME_HFS_CWS_RESET]	= "Reset",
+	[ME_HFS_CWS_INIT]	= "Initializing",
+	[ME_HFS_CWS_REC]	= "Recovery",
+	[3]			= "Unknown (3)",
+	[4]			= "Unknown (4)",
+	[ME_HFS_CWS_NORMAL]	= "Normal",
+	[ME_HFS_CWS_WAIT]	= "Platform Disable Wait",
+	[ME_HFS_CWS_TRANS]	= "OP State Transition",
+	[ME_HFS_CWS_INVALID]	= "Invalid CPU Plugged In",
+	[9]			= "Unknown (9)",
+	[10]			= "Unknown (10)",
+	[11]			= "Unknown (11)",
+	[12]			= "Unknown (12)",
+	[13]			= "Unknown (13)",
+	[14]			= "Unknown (14)",
+	[15]			= "Unknown (15)",
+};
+
+/* HFS1[8:6] Current Operation State Values */
+static const char *me_opstate_values[] = {
+	[ME_HFS_STATE_PREBOOT]	= "Preboot",
+	[ME_HFS_STATE_M0_UMA]	= "M0 with UMA",
+	[ME_HFS_STATE_M3]	= "M3 without UMA",
+	[ME_HFS_STATE_M0]	= "M0 without UMA",
+	[ME_HFS_STATE_BRINGUP]	= "Bring up",
+	[ME_HFS_STATE_ERROR]	= "M0 without UMA but with error"
+};
+
+/* HFS[19:16] Current Operation Mode Values */
+static const char *me_opmode_values[] = {
+	[ME_HFS_MODE_NORMAL]	= "Normal",
+	[ME_HFS_MODE_DEBUG]	= "Debug",
+	[ME_HFS_MODE_DIS]	= "Soft Temporary Disable",
+	[ME_HFS_MODE_OVER_JMPR]	= "Security Override via Jumper",
+	[ME_HFS_MODE_OVER_MEI]	= "Security Override via MEI Message"
+};
+
+/* HFS[15:12] Error Code Values */
+static const char *me_error_values[] = {
+	[ME_HFS_ERROR_NONE]	= "No Error",
+	[ME_HFS_ERROR_UNCAT]	= "Uncategorized Failure",
+	[ME_HFS_ERROR_IMAGE]	= "Image Failure",
+	[ME_HFS_ERROR_DEBUG]	= "Debug Failure"
+};
+
+/* HFS2[31:28] ME Progress Code */
+static const char *me_progress_values[] = {
+	[ME_HFS2_PHASE_ROM]		= "ROM Phase",
+	[ME_HFS2_PHASE_BUP]		= "BUP Phase",
+	[ME_HFS2_PHASE_UKERNEL]		= "uKernel Phase",
+	[ME_HFS2_PHASE_POLICY]		= "Policy Module",
+	[ME_HFS2_PHASE_MODULE_LOAD]	= "Module Loading",
+	[ME_HFS2_PHASE_UNKNOWN]		= "Unknown",
+	[ME_HFS2_PHASE_HOST_COMM]	= "Host Communication"
+};
+
+/* HFS2[27:24] Power Management Event */
+static const char *me_pmevent_values[] = {
+	[ME_HFS2_PMEVENT_CLEAN_MOFF_MX_WAKE] =
+	"Clean Moff->Mx wake",
+	[ME_HFS2_PMEVENT_MOFF_MX_WAKE_ERROR] =
+	"Moff->Mx wake after an error",
+	[ME_HFS2_PMEVENT_CLEAN_GLOBAL_RESET] =
+	"Clean global reset",
+	[ME_HFS2_PMEVENT_CLEAN_GLOBAL_RESET_ERROR] =
+	"Global reset after an error",
+	[ME_HFS2_PMEVENT_CLEAN_ME_RESET] =
+	"Clean Intel ME reset",
+	[ME_HFS2_PMEVENT_ME_RESET_EXCEPTION] =
+	"Intel ME reset due to exception",
+	[ME_HFS2_PMEVENT_PSEUDO_ME_RESET] =
+	"Pseudo-global reset",
+	[ME_HFS2_PMEVENT_S0MO_SXM3] =
+	"S0/M0->Sx/M3",
+	[ME_HFS2_PMEVENT_SXM3_S0M0] =
+	"Sx/M3->S0/M0",
+	[ME_HFS2_PMEVENT_NON_PWR_CYCLE_RESET] =
+	"Non-power cycle reset",
+	[ME_HFS2_PMEVENT_PWR_CYCLE_RESET_M3] =
+	"Power cycle reset through M3",
+	[ME_HFS2_PMEVENT_PWR_CYCLE_RESET_MOFF] =
+	"Power cycle reset through Moff",
+	[ME_HFS2_PMEVENT_SXMX_SXMOFF] =
+	"Sx/Mx->Sx/Moff"
+};
+
+/* Progress Code 0 states */
+static const char *me_progress_rom_values[] = {
+	[ME_HFS2_STATE_ROM_BEGIN] = "BEGIN",
+	[ME_HFS2_STATE_ROM_DISABLE] = "DISABLE"
+};
+
+/* Progress Code 1 states */
+static const char *me_progress_bup_values[] = {
+	[ME_HFS2_STATE_BUP_INIT] =
+	"Initialization starts",
+	[ME_HFS2_STATE_BUP_DIS_HOST_WAKE] =
+	"Disable the host wake event",
+	[ME_HFS2_STATE_BUP_FLOW_DET] =
+	"Flow determination start process",
+	[ME_HFS2_STATE_BUP_VSCC_ERR] =
+	"Error reading/matching the VSCC table in the descriptor",
+	[ME_HFS2_STATE_BUP_CHECK_STRAP] =
+	"Check to see if straps say ME DISABLED",
+	[ME_HFS2_STATE_BUP_PWR_OK_TIMEOUT] =
+	"Timeout waiting for PWROK",
+	[ME_HFS2_STATE_BUP_MANUF_OVRD_STRAP] =
+	"Possibly handle BUP manufacturing override strap",
+	[ME_HFS2_STATE_BUP_M3] =
+	"Bringup in M3",
+	[ME_HFS2_STATE_BUP_M0] =
+	"Bringup in M0",
+	[ME_HFS2_STATE_BUP_FLOW_DET_ERR] =
+	"Flow detection error",
+	[ME_HFS2_STATE_BUP_M3_CLK_ERR] =
+	"M3 clock switching error",
+	[ME_HFS2_STATE_BUP_CPU_RESET_DID_TIMEOUT_MEM_MISSING] =
+	"Host error - CPU reset timeout, DID timeout, memory missing",
+	[ME_HFS2_STATE_BUP_M3_KERN_LOAD] =
+	"M3 kernel load",
+	[ME_HFS2_STATE_BUP_T32_MISSING] =
+	"T34 missing - cannot program ICC",
+	[ME_HFS2_STATE_BUP_WAIT_DID] =
+	"Waiting for DID BIOS message",
+	[ME_HFS2_STATE_BUP_WAIT_DID_FAIL] =
+	"Waiting for DID BIOS message failure",
+	[ME_HFS2_STATE_BUP_DID_NO_FAIL] =
+	"DID reported no error",
+	[ME_HFS2_STATE_BUP_ENABLE_UMA] =
+	"Enabling UMA",
+	[ME_HFS2_STATE_BUP_ENABLE_UMA_ERR] =
+	"Enabling UMA error",
+	[ME_HFS2_STATE_BUP_SEND_DID_ACK] =
+	"Sending DID Ack to BIOS",
+	[ME_HFS2_STATE_BUP_SEND_DID_ACK_ERR] =
+	"Sending DID Ack to BIOS error",
+	[ME_HFS2_STATE_BUP_M0_CLK] =
+	"Switching clocks in M0",
+	[ME_HFS2_STATE_BUP_M0_CLK_ERR] =
+	"Switching clocks in M0 error",
+	[ME_HFS2_STATE_BUP_TEMP_DIS] =
+	"ME in temp disable",
+	[ME_HFS2_STATE_BUP_M0_KERN_LOAD] =
+	"M0 kernel load",
+};
+
+/* Progress Code 3 states */
+static const char *me_progress_policy_values[] = {
+	[ME_HFS2_STATE_POLICY_ENTRY] = "Entry into Policy Module",
+	[ME_HFS2_STATE_POLICY_RCVD_S3] = "Received S3 entry",
+	[ME_HFS2_STATE_POLICY_RCVD_S4] = "Received S4 entry",
+	[ME_HFS2_STATE_POLICY_RCVD_S5] = "Received S5 entry",
+	[ME_HFS2_STATE_POLICY_RCVD_UPD] = "Received UPD entry",
+	[ME_HFS2_STATE_POLICY_RCVD_PCR] = "Received PCR entry",
+	[ME_HFS2_STATE_POLICY_RCVD_NPCR] = "Received NPCR entry",
+	[ME_HFS2_STATE_POLICY_RCVD_HOST_WAKE] = "Received host wake",
+	[ME_HFS2_STATE_POLICY_RCVD_AC_DC] = "Received AC<>DC switch",
+	[ME_HFS2_STATE_POLICY_RCVD_DID] = "Received DRAM Init Done",
+	[ME_HFS2_STATE_POLICY_VSCC_NOT_FOUND] =
+	"VSCC Data not found for flash device",
+	[ME_HFS2_STATE_POLICY_VSCC_INVALID] =
+	"VSCC Table is not valid",
+	[ME_HFS2_STATE_POLICY_FPB_ERR] =
+	"Flash Partition Boundary is outside address space",
+	[ME_HFS2_STATE_POLICY_DESCRIPTOR_ERR] =
+	"ME cannot access the chipset descriptor region",
+	[ME_HFS2_STATE_POLICY_VSCC_NO_MATCH] =
+	"Required VSCC values for flash parts do not match",
+};
+
+void intel_me_status(void)
+{
+	struct me_hfs _hfs, *hfs = &_hfs;
+	struct me_hfs2 _hfs2, *hfs2 = &_hfs2;
+
+	me_read_dword_ptr(hfs, PCI_ME_HFS);
+	me_read_dword_ptr(hfs2, PCI_ME_HFS2);
+
+	/* Check Current States */
+	printk(BIOS_DEBUG, "ME: FW Partition Table      : %s\n",
+	       hfs->fpt_bad ? "BAD" : "OK");
+	printk(BIOS_DEBUG, "ME: Bringup Loader Failure  : %s\n",
+	       hfs->ft_bup_ld_flr ? "YES" : "NO");
+	printk(BIOS_DEBUG, "ME: Firmware Init Complete  : %s\n",
+	       hfs->fw_init_complete ? "YES" : "NO");
+	printk(BIOS_DEBUG, "ME: Manufacturing Mode      : %s\n",
+	       hfs->mfg_mode ? "YES" : "NO");
+	printk(BIOS_DEBUG, "ME: Boot Options Present    : %s\n",
+	       hfs->boot_options_present ? "YES" : "NO");
+	printk(BIOS_DEBUG, "ME: Update In Progress      : %s\n",
+	       hfs->update_in_progress ? "YES" : "NO");
+	printk(BIOS_DEBUG, "ME: Current Working State   : %s\n",
+	       me_cws_values[hfs->working_state]);
+	printk(BIOS_DEBUG, "ME: Current Operation State : %s\n",
+	       me_opstate_values[hfs->operation_state]);
+	printk(BIOS_DEBUG, "ME: Current Operation Mode  : %s\n",
+	       me_opmode_values[hfs->operation_mode]);
+	printk(BIOS_DEBUG, "ME: Error Code              : %s\n",
+	       me_error_values[hfs->error_code]);
+	printk(BIOS_DEBUG, "ME: Progress Phase          : %s\n",
+	       me_progress_values[hfs2->progress_code]);
+	printk(BIOS_DEBUG, "ME: Power Management Event  : %s\n",
+	       me_pmevent_values[hfs2->current_pmevent]);
+
+	printk(BIOS_DEBUG, "ME: Progress Phase State    : ");
+	switch (hfs2->progress_code) {
+	case ME_HFS2_PHASE_ROM:		/* ROM Phase */
+		printk(BIOS_DEBUG, "%s",
+		       me_progress_rom_values[hfs2->current_state]);
+		break;
+
+	case ME_HFS2_PHASE_UKERNEL:	/* uKernel Phase */
+		printk(BIOS_DEBUG, "0x%02x", hfs2->current_state);
+		break;
+
+	case ME_HFS2_PHASE_BUP:		/* Bringup Phase */
+		if (hfs2->current_state < ARRAY_SIZE(me_progress_bup_values)
+		    && me_progress_bup_values[hfs2->current_state])
+			printk(BIOS_DEBUG, "%s",
+			       me_progress_bup_values[hfs2->current_state]);
+		else
+			printk(BIOS_DEBUG, "0x%02x", hfs2->current_state);
+		break;
+
+	case ME_HFS2_PHASE_POLICY:	/* Policy Module Phase */
+		if (hfs2->current_state < ARRAY_SIZE(me_progress_policy_values)
+		    && me_progress_policy_values[hfs2->current_state])
+			printk(BIOS_DEBUG, "%s",
+			       me_progress_policy_values[hfs2->current_state]);
+		else
+			printk(BIOS_DEBUG, "0x%02x", hfs2->current_state);
+		break;
+
+	case ME_HFS2_PHASE_HOST_COMM:	/* Host Communication Phase */
+		if (!hfs2->current_state)
+			printk(BIOS_DEBUG, "Host communication established");
+		else
+			printk(BIOS_DEBUG, "0x%02x", hfs2->current_state);
+		break;
+
+	default:
+		printk(BIOS_DEBUG, "Unknown phase: 0x%02x state: 0x%02x",
+		       hfs2->progress_code, hfs2->current_state);
+	}
+	printk(BIOS_DEBUG, "\n");
+}
+#endif
+
+void intel_me_hsio_version(uint16_t *version, uint16_t *checksum)
+{
+	int count;
+	u32 hsiover;
+	struct me_hfs hfs;
+
+	/* Query for HSIO version, overloads H_GS and HFS */
+	pci_write_config32(PCH_DEV_ME, PCI_ME_H_GS,
+			   ME_HSIO_MESSAGE | ME_HSIO_CMD_GETHSIOVER);
+
+	/* Must wait for ME acknowledgement */
+	for (count = ME_RETRY; count > 0; --count) {
+		me_read_dword_ptr(&hfs, PCI_ME_HFS);
+		if (hfs.bios_msg_ack)
+			break;
+		udelay(ME_DELAY);
+	}
+	if (!count) {
+		printk(BIOS_ERR, "ERROR: ME failed to respond\n");
+		return;
+	}
+
+	/* HSIO version should be in HFS_5 */
+	hsiover = pci_read_config32(PCH_DEV_ME, PCI_ME_HFS5);
+	*version = hsiover >> 16;
+	*checksum = hsiover & 0xffff;
+
+	printk(BIOS_DEBUG, "ME: HSIO Version            : %d (CRC 0x%04x)\n",
+	       *version, *checksum);
+
+	/* Reset registers to normal behavior */
+	pci_write_config32(PCH_DEV_ME, PCI_ME_H_GS,
+			   ME_HSIO_MESSAGE | ME_HSIO_CMD_GETHSIOVER);
+}
diff --git a/src/soc/intel/skylake/memmap.c b/src/soc/intel/skylake/memmap.c
new file mode 100644
index 0000000..7b8df28
--- /dev/null
+++ b/src/soc/intel/skylake/memmap.c
@@ -0,0 +1,46 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <cbmem.h>
+#include <device/pci.h>
+#include <soc/pci_devs.h>
+#include <soc/systemagent.h>
+
+static uintptr_t dpr_region_start(void)
+{
+	/*
+	 * Base of DPR is top of usable DRAM below 4GiB. The register has
+	 * 1 MiB alignment and reports the TOP of the range, the base
+	 * must be calculated from the size in MiB in bits 11:4.
+	 */
+	uintptr_t dpr = pci_read_config32(SA_DEV_ROOT, DPR);
+	uintptr_t tom = dpr & ~((1 << 20) - 1);
+
+	/* Subtract DMA Protected Range size if enabled */
+	if (dpr & DPR_EPM)
+		tom -= (dpr & DPR_SIZE_MASK) << 16;
+
+	return tom;
+}
+
+void *cbmem_top(void)
+{
+	return (void *) dpr_region_start();
+}
diff --git a/src/soc/intel/skylake/microcode/Makefile.inc b/src/soc/intel/skylake/microcode/Makefile.inc
new file mode 100644
index 0000000..bf9e345
--- /dev/null
+++ b/src/soc/intel/skylake/microcode/Makefile.inc
@@ -0,0 +1 @@
+cpu_microcode-y += microcode_blob.c
diff --git a/src/soc/intel/skylake/microcode/microcode_blob.c b/src/soc/intel/skylake/microcode/microcode_blob.c
new file mode 100644
index 0000000..4f06cb2
--- /dev/null
+++ b/src/soc/intel/skylake/microcode/microcode_blob.c
@@ -0,0 +1,23 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+unsigned microcode[] = {
+#include "../../../../../3rdparty/blobs/soc/intel/broadwell/microcode_blob.h"
+};
+
diff --git a/src/soc/intel/skylake/minihd.c b/src/soc/intel/skylake/minihd.c
new file mode 100644
index 0000000..ac5af8d
--- /dev/null
+++ b/src/soc/intel/skylake/minihd.c
@@ -0,0 +1,128 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <arch/io.h>
+#include <delay.h>
+#include <stdlib.h>
+#include <soc/intel/common/hda_verb.h>
+#include <soc/ramstage.h>
+
+static const u32 minihd_verb_table[] = {
+	/* coreboot specific header */
+	0x80862807,	// Codec Vendor / Device ID: Intel Mini-HD
+	0x00000000,	// Subsystem ID
+	0x00000004,	// Number of jacks
+
+	/* Enable 3rd Pin and Converter Widget */
+	0x00878101,
+
+	/* Pin Widget 5 - PORT B */
+	0x00571C10,
+	0x00571D00,
+	0x00571E56,
+	0x00571F18,
+
+	/* Pin Widget 6 - PORT C */
+	0x00671C20,
+	0x00671D00,
+	0x00671E56,
+	0x00671F18,
+
+	/* Pin Widget 7 - PORT D */
+	0x00771C30,
+	0x00771D00,
+	0x00771E56,
+	0x00771F18,
+
+	/* Disable 3rd Pin and Converter Widget */
+	0x00878100,
+
+	/* Dummy entries to fill out the table */
+	0x00878100,
+	0x00878100,
+};
+
+static void minihd_init(struct device *dev)
+{
+	struct resource *res;
+	u8 *base, reg32;
+	int codec_mask, i;
+
+	/* Find base address */
+	res = find_resource(dev, PCI_BASE_ADDRESS_0);
+	if (!res)
+		return;
+
+	base = res2mmio(res, 0, 0);
+	printk(BIOS_DEBUG, "Mini-HD: base = %p\n", base);
+
+	/* Set Bus Master */
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
+
+	/* Mini-HD configuration */
+	reg32 = read32(base + 0x100c);
+	reg32 &= 0xfffc0000;
+	reg32 |= 0x4;
+	write32(base + 0x100c, reg32);
+
+	reg32 = read32(base + 0x1010);
+	reg32 &= 0xfffc0000;
+	reg32 |= 0x4b;
+	write32(base + 0x1010, reg32);
+
+	/* Init the codec and write the verb table */
+	codec_mask = hda_codec_detect(base);
+
+	if (codec_mask) {
+		for (i = 3; i >= 0; i--) {
+			if (codec_mask & (1 << i))
+				hda_codec_init(base, i,
+					       sizeof(minihd_verb_table),
+					       minihd_verb_table);
+		}
+	}
+}
+
+static struct device_operations minihd_ops = {
+	.read_resources		= &pci_dev_read_resources,
+	.set_resources		= &pci_dev_set_resources,
+	.enable_resources	= &pci_dev_enable_resources,
+	.init			= &minihd_init,
+	.ops_pci		= &broadwell_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = {
+	0x0a0c, /* Haswell */
+	0x160c, /* Broadwell */
+	0
+};
+
+static const struct pci_driver minihd_driver __pci_driver = {
+	.ops	 = &minihd_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};
diff --git a/src/soc/intel/skylake/monotonic_timer.c b/src/soc/intel/skylake/monotonic_timer.c
new file mode 100644
index 0000000..39134ef
--- /dev/null
+++ b/src/soc/intel/skylake/monotonic_timer.c
@@ -0,0 +1,63 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <cpu/x86/msr.h>
+#include <timer.h>
+#include <soc/msr.h>
+
+static struct monotonic_counter {
+	int initialized;
+	struct mono_time time;
+	uint32_t last_value;
+} mono_counter;
+
+static inline uint32_t read_counter_msr(void)
+{
+	/* Even though the MSR is 64-bit it is assumed that the hardware
+	 * is polled frequently enough to only use the lower 32-bits. */
+	msr_t counter_msr;
+
+	counter_msr = rdmsr(MSR_COUNTER_24_MHZ);
+
+	return counter_msr.lo;
+}
+
+void timer_monotonic_get(struct mono_time *mt)
+{
+	uint32_t current_tick;
+	uint32_t usecs_elapsed;
+
+	if (!mono_counter.initialized) {
+		mono_counter.last_value = read_counter_msr();
+		mono_counter.initialized = 1;
+	}
+
+	current_tick = read_counter_msr();
+	usecs_elapsed = (current_tick - mono_counter.last_value) / 24;
+
+	/* Update current time and tick values only if a full tick occurred. */
+	if (usecs_elapsed) {
+		mono_time_add_usecs(&mono_counter.time, usecs_elapsed);
+		mono_counter.last_value = current_tick;
+	}
+
+	/* Save result. */
+	*mt = mono_counter.time;
+}
diff --git a/src/soc/intel/skylake/pch.c b/src/soc/intel/skylake/pch.c
new file mode 100644
index 0000000..ab546e8
--- /dev/null
+++ b/src/soc/intel/skylake/pch.c
@@ -0,0 +1,221 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <delay.h>
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_def.h>
+#include <soc/iobp.h>
+#include <soc/pch.h>
+#include <soc/pci_devs.h>
+#include <soc/ramstage.h>
+#include <soc/rcba.h>
+#include <soc/serialio.h>
+#include <soc/spi.h>
+
+u8 pch_revision(void)
+{
+	return pci_read_config8(PCH_DEV_LPC, PCI_REVISION_ID);
+}
+
+u16 pch_type(void)
+{
+	return pci_read_config16(PCH_DEV_LPC, PCI_DEVICE_ID);
+}
+
+/* Return 1 if PCH type is WildcatPoint */
+int pch_is_wpt(void)
+{
+	return ((pch_type() & 0xfff0) == 0x9cc0) ? 1 : 0;
+}
+
+/* Return 1 if PCH type is WildcatPoint ULX */
+int pch_is_wpt_ulx(void)
+{
+	u16 lpcid = pch_type();
+
+	switch (lpcid) {
+	case PCH_WPT_BDW_Y_SAMPLE:
+	case PCH_WPT_BDW_Y_PREMIUM:
+	case PCH_WPT_BDW_Y_BASE:
+		return 1;
+	}
+
+	return 0;
+}
+
+u32 pch_read_soft_strap(int id)
+{
+	u32 fdoc;
+
+	fdoc = SPIBAR32(SPIBAR_FDOC);
+	fdoc &= ~0x00007ffc;
+	SPIBAR32(SPIBAR_FDOC) = fdoc;
+
+	fdoc |= 0x00004000;
+	fdoc |= id * 4;
+	SPIBAR32(SPIBAR_FDOC) = fdoc;
+
+	return SPIBAR32(SPIBAR_FDOD);
+}
+
+#ifndef __PRE_RAM__
+
+/* Put device in D3Hot Power State */
+static void pch_enable_d3hot(device_t dev)
+{
+	u32 reg32 = pci_read_config32(dev, PCH_PCS);
+	reg32 |= PCH_PCS_PS_D3HOT;
+	pci_write_config32(dev, PCH_PCS, reg32);
+}
+
+/* RCBA function disable and posting read to flush the transaction */
+static void rcba_function_disable(u32 reg, u32 bit)
+{
+	RCBA32_OR(reg, bit);
+	RCBA32(reg);
+}
+
+/* Set bit in Function Disable register to hide this device */
+void pch_disable_devfn(device_t dev)
+{
+	switch (dev->path.pci.devfn) {
+	case PCH_DEVFN_ADSP: /* Audio DSP */
+		rcba_function_disable(FD, PCH_DISABLE_ADSPD);
+		break;
+	case PCH_DEVFN_XHCI: /* XHCI */
+		rcba_function_disable(FD, PCH_DISABLE_XHCI);
+		break;
+	case PCH_DEVFN_SDMA: /* DMA */
+		pch_enable_d3hot(dev);
+		pch_iobp_update(SIO_IOBP_FUNCDIS0, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+		break;
+	case PCH_DEVFN_I2C0: /* I2C0 */
+		pch_enable_d3hot(dev);
+		pch_iobp_update(SIO_IOBP_FUNCDIS1, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+		break;
+	case PCH_DEVFN_I2C1: /* I2C1 */
+		pch_enable_d3hot(dev);
+		pch_iobp_update(SIO_IOBP_FUNCDIS2, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+		break;
+	case PCH_DEVFN_SPI0: /* SPI0 */
+		pch_enable_d3hot(dev);
+		pch_iobp_update(SIO_IOBP_FUNCDIS3, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+		break;
+	case PCH_DEVFN_SPI1: /* SPI1 */
+		pch_enable_d3hot(dev);
+		pch_iobp_update(SIO_IOBP_FUNCDIS4, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+		break;
+	case PCH_DEVFN_UART0: /* UART0 */
+		pch_enable_d3hot(dev);
+		pch_iobp_update(SIO_IOBP_FUNCDIS5, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+		break;
+	case PCH_DEVFN_UART1: /* UART1 */
+		pch_enable_d3hot(dev);
+		pch_iobp_update(SIO_IOBP_FUNCDIS6, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+		break;
+	case PCH_DEVFN_ME: /* MEI #1 */
+		rcba_function_disable(FD2, PCH_DISABLE_MEI1);
+		break;
+	case PCH_DEVFN_ME_2: /* MEI #2 */
+		rcba_function_disable(FD2, PCH_DISABLE_MEI2);
+		break;
+	case PCH_DEVFN_ME_IDER: /* IDE-R */
+		rcba_function_disable(FD2, PCH_DISABLE_IDER);
+		break;
+	case PCH_DEVFN_ME_KT: /* KT */
+		rcba_function_disable(FD2, PCH_DISABLE_KT);
+		break;
+	case PCH_DEVFN_SDIO: /* SDIO */
+		pch_enable_d3hot(dev);
+		pch_iobp_update(SIO_IOBP_FUNCDIS7, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+		break;
+	case PCH_DEVFN_GBE: /* Gigabit Ethernet */
+		rcba_function_disable(BUC, PCH_DISABLE_GBE);
+		break;
+	case PCH_DEVFN_HDA: /* HD Audio Controller */
+		rcba_function_disable(FD, PCH_DISABLE_HD_AUDIO);
+		break;
+	case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 0): /* PCI Express Root Port 1 */
+	case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 1): /* PCI Express Root Port 2 */
+	case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 2): /* PCI Express Root Port 3 */
+	case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 3): /* PCI Express Root Port 4 */
+	case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 4): /* PCI Express Root Port 5 */
+	case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 5): /* PCI Express Root Port 6 */
+	case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 6): /* PCI Express Root Port 7 */
+	case PCI_DEVFN(PCH_DEV_SLOT_PCIE, 7): /* PCI Express Root Port 8 */
+		rcba_function_disable(FD,
+			PCH_DISABLE_PCIE(PCI_FUNC(dev->path.pci.devfn)));
+		break;
+	case PCH_DEVFN_EHCI: /* EHCI #1 */
+		rcba_function_disable(FD, PCH_DISABLE_EHCI1);
+		break;
+	case PCH_DEVFN_LPC: /* LPC */
+		rcba_function_disable(FD, PCH_DISABLE_LPC);
+		break;
+	case PCH_DEVFN_SATA: /* SATA #1 */
+		rcba_function_disable(FD, PCH_DISABLE_SATA1);
+		break;
+	case PCH_DEVFN_SMBUS: /* SMBUS */
+		rcba_function_disable(FD, PCH_DISABLE_SMBUS);
+		break;
+	case PCH_DEVFN_SATA2: /* SATA #2 */
+		rcba_function_disable(FD, PCH_DISABLE_SATA2);
+		break;
+	case PCH_DEVFN_THERMAL: /* Thermal Subsystem */
+		rcba_function_disable(FD, PCH_DISABLE_THERMAL);
+		break;
+	}
+}
+
+void broadwell_pch_enable_dev(device_t dev)
+{
+	u32 reg32;
+
+	/* These devices need special enable/disable handling */
+	switch (PCI_SLOT(dev->path.pci.devfn)) {
+	case PCH_DEV_SLOT_PCIE:
+	case PCH_DEV_SLOT_EHCI:
+	case PCH_DEV_SLOT_HDA:
+		return;
+	}
+
+	if (!dev->enabled) {
+		printk(BIOS_DEBUG, "%s: Disabling device\n", dev_path(dev));
+
+		/* Ensure memory, io, and bus master are all disabled */
+		reg32 = pci_read_config32(dev, PCI_COMMAND);
+		reg32 &= ~(PCI_COMMAND_MASTER |
+			   PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
+		pci_write_config32(dev, PCI_COMMAND, reg32);
+
+		/* Disable this device if possible */
+		pch_disable_devfn(dev);
+	} else {
+		/* Enable SERR */
+		reg32 = pci_read_config32(dev, PCI_COMMAND);
+		reg32 |= PCI_COMMAND_SERR;
+		pci_write_config32(dev, PCI_COMMAND, reg32);
+	}
+}
+
+#endif
diff --git a/src/soc/intel/skylake/pcie.c b/src/soc/intel/skylake/pcie.c
new file mode 100644
index 0000000..895df93
--- /dev/null
+++ b/src/soc/intel/skylake/pcie.c
@@ -0,0 +1,710 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pciexp.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#include <soc/gpio.h>
+#include <soc/lpc.h>
+#include <soc/iobp.h>
+#include <soc/pch.h>
+#include <soc/pci_devs.h>
+#include <soc/rcba.h>
+#include <soc/intel/broadwell/chip.h>
+#include <soc/cpu.h>
+#include <delay.h>
+
+static void pcie_update_cfg8(device_t dev, int reg, u8 mask, u8 or);
+static void pcie_update_cfg(device_t dev, int reg, u32 mask, u32 or);
+
+/* Low Power variant has 6 root ports. */
+#define NUM_ROOT_PORTS 6
+
+struct root_port_config {
+	/* RPFN is a write-once register so keep a copy until it is written */
+	u32 orig_rpfn;
+	u32 new_rpfn;
+	u32 pin_ownership;
+	u32 strpfusecfg1;
+	u32 strpfusecfg2;
+	u32 strpfusecfg3;
+	u32 b0d28f0_32c;
+	u32 b0d28f4_32c;
+	u32 b0d28f5_32c;
+	int coalesce;
+	int gbe_port;
+	int num_ports;
+	device_t ports[NUM_ROOT_PORTS];
+};
+
+static struct root_port_config rpc;
+
+static inline int root_port_is_first(device_t dev)
+{
+	return PCI_FUNC(dev->path.pci.devfn) == 0;
+}
+
+static inline int root_port_is_last(device_t dev)
+{
+	return PCI_FUNC(dev->path.pci.devfn) == (rpc.num_ports - 1);
+}
+
+/* Root ports are numbered 1..N in the documentation. */
+static inline int root_port_number(device_t dev)
+{
+	return PCI_FUNC(dev->path.pci.devfn) + 1;
+}
+
+static void root_port_config_update_gbe_port(void)
+{
+	/* Is the Gbe Port enabled? */
+	if (!((rpc.strpfusecfg1 >> 19) & 1))
+		return;
+
+	switch ((rpc.strpfusecfg1 >> 16) & 0x7) {
+	case 0:
+		rpc.gbe_port = 3;
+		break;
+	case 1:
+		rpc.gbe_port = 4;
+		break;
+	case 2:
+	case 3:
+	case 4:
+	case 5:
+		/* Lanes 0-4 of Root Port 5. */
+		rpc.gbe_port = 5;
+		break;
+	default:
+		printk(BIOS_DEBUG, "Invalid GbE Port Selection.\n");
+	}
+}
+
+static void pcie_iosf_port_grant_count(device_t dev)
+{
+	u8 update_val;
+	u32 rpcd = (pci_read_config32(dev, 0xfc) > 14) & 0x3;
+
+	switch (rpcd) {
+	case 1:
+	case 3:
+		update_val = 0x02;
+		break;
+	case 2:
+		update_val = 0x22;
+		break;
+	default:
+		update_val = 0x00;
+		break;
+	}
+
+	RCBA32(0x103C) = (RCBA32(0x103C) & (~0xff)) | update_val;
+}
+
+static void root_port_init_config(device_t dev)
+{
+	int rp;
+	u32 data;
+	u8 resp, id;
+
+	if (root_port_is_first(dev)) {
+		rpc.orig_rpfn = RCBA32(RPFN);
+		rpc.new_rpfn = rpc.orig_rpfn;
+		rpc.num_ports = NUM_ROOT_PORTS;
+		rpc.gbe_port = -1;
+		/* RP0 f5[3:0] = 0101b*/
+		pcie_update_cfg8(dev, 0xf5, ~0xa, 0x5);
+
+		pcie_iosf_port_grant_count(dev);
+
+		rpc.pin_ownership = pci_read_config32(dev, 0x410);
+		root_port_config_update_gbe_port();
+
+		pcie_update_cfg8(dev, 0xe2, ~(3 << 4), (3 << 4));
+		if (dev->chip_info != NULL) {
+			config_t *config = dev->chip_info;
+			rpc.coalesce = config->pcie_port_coalesce;
+		}
+	}
+
+	rp = root_port_number(dev);
+	if (rp > rpc.num_ports) {
+		printk(BIOS_ERR, "Found Root Port %d, expecting %d\n",
+		       rp, rpc.num_ports);
+		return;
+	}
+
+	/* Read the fuse configuration and pin ownership. */
+	switch (rp) {
+	case 1:
+		rpc.strpfusecfg1 = pci_read_config32(dev, 0xfc);
+		rpc.b0d28f0_32c = pci_read_config32(dev, 0x32c);
+		break;
+	case 5:
+		rpc.strpfusecfg2 = pci_read_config32(dev, 0xfc);
+		rpc.b0d28f4_32c = pci_read_config32(dev, 0x32c);
+		break;
+	case 6:
+		rpc.b0d28f5_32c = pci_read_config32(dev, 0x32c);
+		rpc.strpfusecfg3 = pci_read_config32(dev, 0xfc);
+		break;
+	default:
+		break;
+	}
+
+	pcie_update_cfg(dev, 0x418, 0, 0x02000430);
+
+	if (root_port_is_first(dev)) {
+		/*
+		 * set RP0 PCICFG E2h[5:4] = 11b and E1h[6] = 1
+		 * before configuring ASPM
+		 */
+		id = 0xe0 + (u8)(RCBA32(RPFN) & 0x07);
+		pch_iobp_exec(0xE00000E0, IOBP_PCICFG_READ, id, &data, &resp);
+		data |= ((0x30 << 16) | (0x40 << 8));
+		pch_iobp_exec(0xE00000E0, IOBP_PCICFG_WRITE, id, &data, &resp);
+	}
+
+	/* Cache pci device. */
+	rpc.ports[rp - 1] = dev;
+}
+
+/* Update devicetree with new Root Port function number assignment */
+static void pch_pcie_device_set_func(int index, int pci_func)
+{
+	device_t dev;
+	unsigned new_devfn;
+
+	dev = rpc.ports[index];
+
+	/* Set the new PCI function field for this Root Port. */
+	rpc.new_rpfn &= ~RPFN_FNMASK(index);
+	rpc.new_rpfn |= RPFN_FNSET(index, pci_func);
+
+	/* Determine the new devfn for this port */
+	new_devfn = PCI_DEVFN(PCH_DEV_SLOT_PCIE, pci_func);
+
+	if (dev->path.pci.devfn != new_devfn) {
+		printk(BIOS_DEBUG,
+		       "PCH: PCIe map %02x.%1x -> %02x.%1x\n",
+		       PCI_SLOT(dev->path.pci.devfn),
+		       PCI_FUNC(dev->path.pci.devfn),
+		       PCI_SLOT(new_devfn), PCI_FUNC(new_devfn));
+
+		dev->path.pci.devfn = new_devfn;
+	}
+}
+
+static void pcie_enable_clock_gating(void)
+{
+	int i;
+	int enabled_ports = 0;
+	int is_broadwell = !!(cpu_family_model() == BROADWELL_FAMILY_ULT);
+
+	for (i = 0; i < rpc.num_ports; i++) {
+		device_t dev;
+		int rp;
+
+		dev = rpc.ports[i];
+		rp = root_port_number(dev);
+
+		if (!dev->enabled) {
+			/* Configure shared resource clock gating. */
+			if (rp == 1 || rp == 5 || rp == 6)
+				pcie_update_cfg8(dev, 0xe1, 0xc3, 0x3c);
+
+			pcie_update_cfg8(dev, 0xe2, ~(3 << 4), (3 << 4));
+			pcie_update_cfg(dev, 0x420, ~(1 << 31), (1 << 31));
+
+			/* Per-Port CLKREQ# handling. */
+			if (gpio_is_native(18 + rp - 1))
+				pcie_update_cfg(dev, 0x420, ~0, (3 << 29));
+
+			/* Enable static clock gating. */
+			if (rp == 1 && !rpc.ports[1]->enabled &&
+			    !rpc.ports[2]->enabled && !rpc.ports[3]->enabled) {
+				pcie_update_cfg8(dev, 0xe2, ~1, 1);
+				pcie_update_cfg8(dev, 0xe1, 0x7f, 0x80);
+			} else if (rp == 5 || rp == 6) {
+				pcie_update_cfg8(dev, 0xe2, ~1, 1);
+				pcie_update_cfg8(dev, 0xe1, 0x7f, 0x80);
+			}
+			continue;
+		}
+
+		enabled_ports++;
+
+		/* Enable dynamic clock gating. */
+		pcie_update_cfg8(dev, 0xe1, 0xfc, 0x03);
+		pcie_update_cfg8(dev, 0xe2, ~(1 << 6), (1 << 6));
+		pcie_update_cfg8(dev, 0xe8, ~(3 << 2), (2 << 2));
+
+		/* Update PECR1 register. */
+		pcie_update_cfg8(dev, 0xe8, ~0, 3);
+		if (is_broadwell) {
+			pcie_update_cfg(dev, 0x324, ~((1 << 5) | (1 << 14)),
+					((1 << 5) | (1 << 14)));
+		} else {
+			pcie_update_cfg(dev, 0x324, ~(1 << 5), (1 << 5));
+		}
+		/* Per-Port CLKREQ# handling. */
+		if (gpio_is_native(18 + rp - 1))
+			/*
+			 * In addition to D28Fx PCICFG 420h[30:29] = 11b,
+			 * set 420h[17] = 0b and 420[0] = 1b for L1 SubState.
+			 */
+			pcie_update_cfg(dev, 0x420, ~0x20000, (3 << 29) | 1);
+
+		/* Configure shared resource clock gating. */
+		if (rp == 1 || rp == 5 || rp == 6)
+			pcie_update_cfg8(dev, 0xe1, 0xc3, 0x3c);
+
+		/* CLKREQ# VR Idle Enable */
+		RCBA32_OR(0x2b1c, (1 << (16 + i)));
+	}
+
+	if (!enabled_ports)
+		pcie_update_cfg8(rpc.ports[0], 0xe1, ~(1 << 6), (1 << 6));
+}
+
+static void root_port_commit_config(void)
+{
+	int i;
+
+	/* If the first root port is disabled the coalesce ports. */
+	if (!rpc.ports[0]->enabled)
+		rpc.coalesce = 1;
+
+	/* Perform clock gating configuration. */
+	pcie_enable_clock_gating();
+
+	for (i = 0; i < rpc.num_ports; i++) {
+		device_t dev;
+		u32 reg32;
+		int n = 0;
+
+		dev = rpc.ports[i];
+
+		if (dev == NULL) {
+			printk(BIOS_ERR, "Root Port %d device is NULL?\n", i+1);
+			continue;
+		}
+
+		if (dev->enabled)
+			continue;
+
+		printk(BIOS_DEBUG, "%s: Disabling device\n",  dev_path(dev));
+
+		/* 8.2 Configuration of PCI Express Root Ports */
+		pcie_update_cfg(dev, 0x338, ~(1 << 26), 1 << 26);
+
+		do {
+			reg32 = pci_read_config32(dev, 0x328);
+			n++;
+			if (((reg32 & 0xff000000) == 0x01000000) || (n > 50))
+				break;
+			udelay(100);
+		} while (1);
+
+		if (n > 50)
+			printk(BIOS_DEBUG, "%s: Timeout waiting for 328h\n",
+				dev_path(dev));
+
+		pcie_update_cfg(dev, 0x408, ~(1 << 27), 1 << 27);
+
+		/* Disable this device if possible */
+		pch_disable_devfn(dev);
+	}
+
+	if (rpc.coalesce) {
+		int current_func;
+
+		/* For all Root Ports N enabled ports get assigned the lower
+		 * PCI function number. The disabled ones get upper PCI
+		 * function numbers. */
+		current_func = 0;
+		for (i = 0; i < rpc.num_ports; i++) {
+			if (!rpc.ports[i]->enabled)
+				continue;
+			pch_pcie_device_set_func(i, current_func);
+			current_func++;
+		}
+
+		/* Allocate the disabled devices' PCI function number. */
+		for (i = 0; i < rpc.num_ports; i++) {
+			if (rpc.ports[i]->enabled)
+				continue;
+			pch_pcie_device_set_func(i, current_func);
+			current_func++;
+		}
+	}
+
+	printk(BIOS_SPEW, "PCH: RPFN 0x%08x -> 0x%08x\n",
+	       rpc.orig_rpfn, rpc.new_rpfn);
+	RCBA32(RPFN) = rpc.new_rpfn;
+}
+
+static void root_port_mark_disable(device_t dev)
+{
+	/* Mark device as disabled. */
+	dev->enabled = 0;
+	/* Mark device to be hidden. */
+	rpc.new_rpfn |= RPFN_HIDE(PCI_FUNC(dev->path.pci.devfn));
+}
+
+static void root_port_check_disable(device_t dev)
+{
+	int rp;
+
+	/* Device already disabled. */
+	if (!dev->enabled) {
+		root_port_mark_disable(dev);
+		return;
+	}
+
+	rp = root_port_number(dev);
+
+	/* Is the GbE port mapped to this Root Port? */
+	if (rp == rpc.gbe_port) {
+		root_port_mark_disable(dev);
+		return;
+	}
+
+	/* Check Root Port Configuration. */
+	switch (rp) {
+		case 2:
+			/* Root Port 2 is disabled for all lane configurations
+			 * but config 00b (4x1 links). */
+			if ((rpc.strpfusecfg1 >> 14) & 0x3) {
+				root_port_mark_disable(dev);
+				return;
+			}
+			break;
+		case 3:
+			/* Root Port 3 is disabled in config 11b (1x4 links). */
+			if (((rpc.strpfusecfg1 >> 14) & 0x3) == 0x3) {
+				root_port_mark_disable(dev);
+				return;
+			}
+			break;
+		case 4:
+			/* Root Port 4 is disabled in configs 11b (1x4 links)
+			 * and 10b (2x2 links). */
+			if ((rpc.strpfusecfg1 >> 14) & 0x2) {
+				root_port_mark_disable(dev);
+				return;
+			}
+			break;
+	}
+
+	/* Check Pin Ownership. */
+	switch (rp) {
+	case 1:
+		/* Bit 0 is Root Port 1 ownership. */
+		if ((rpc.pin_ownership & 0x1) == 0) {
+			root_port_mark_disable(dev);
+			return;
+		}
+		break;
+	case 2:
+		/* Bit 2 is Root Port 2 ownership. */
+		if ((rpc.pin_ownership & 0x4) == 0) {
+			root_port_mark_disable(dev);
+			return;
+		}
+		break;
+	case 6:
+		/* Bits 7:4 are Root Port 6 pin-lane ownership. */
+		if ((rpc.pin_ownership & 0xf0) == 0) {
+			root_port_mark_disable(dev);
+			return;
+		}
+		break;
+	}
+}
+
+static void pcie_update_cfg8(device_t dev, int reg, u8 mask, u8 or)
+{
+	u8 reg8;
+
+	reg8 = pci_read_config8(dev, reg);
+	reg8 &= mask;
+	reg8 |= or;
+	pci_write_config8(dev, reg, reg8);
+}
+
+static void pcie_update_cfg(device_t dev, int reg, u32 mask, u32 or)
+{
+	u32 reg32;
+
+	reg32 = pci_read_config32(dev, reg);
+	reg32 &= mask;
+	reg32 |= or;
+	pci_write_config32(dev, reg, reg32);
+}
+
+static void pcie_add_0x0202000_iobp(u32 reg)
+{
+	u32 reg32;
+
+	reg32 = pch_iobp_read(reg);
+	reg32 += (0x2 << 16) | (0x2 << 8);
+	pch_iobp_write(reg, reg32);
+}
+
+static void pch_pcie_early(struct device *dev)
+{
+	config_t *config = dev->chip_info;
+	int do_aspm = 0;
+	int rp = root_port_number(dev);
+
+	switch (rp) {
+	case 1:
+	case 2:
+	case 3:
+	case 4:
+		/*
+		 * Bits 31:28 of b0d28f0 0x32c register correspond to
+		 * Root Ports 4:1.
+		 */
+		do_aspm = !!(rpc.b0d28f0_32c & (1 << (28 + rp - 1)));
+		break;
+	case 5:
+		/*
+		 * Bit 28 of b0d28f4 0x32c register correspond to
+		 * Root Ports 4:1.
+		 */
+		do_aspm = !!(rpc.b0d28f4_32c & (1 << 28));
+		break;
+	case 6:
+		/*
+		 * Bit 28 of b0d28f5 0x32c register correspond to
+		 * Root Ports 4:1.
+		 */
+		do_aspm = !!(rpc.b0d28f5_32c & (1 << 28));
+		break;
+	}
+
+	/* Allow ASPM to be forced on in devicetree */
+	if (config && (config->pcie_port_force_aspm & (1 << (rp - 1))))
+		do_aspm = 1;
+
+	printk(BIOS_DEBUG, "PCIe Root Port %d ASPM is %sabled\n",
+	       rp, do_aspm ? "en" : "dis");
+
+	if (do_aspm) {
+		/* Set ASPM bits in MPC2 register. */
+		pcie_update_cfg(dev, 0xd4, ~(0x3 << 2), (1 << 4) | (0x2 << 2));
+
+		/* Set unique clock exit latency in MPC register. */
+		pcie_update_cfg(dev, 0xd8, ~(0x7 << 18), (0x7 << 18));
+
+		switch (rp) {
+		case 1:
+			pcie_add_0x0202000_iobp(0xe9002440);
+			break;
+		case 2:
+			pcie_add_0x0202000_iobp(0xe9002640);
+			break;
+		case 3:
+			pcie_add_0x0202000_iobp(0xe9000840);
+			break;
+		case 4:
+			pcie_add_0x0202000_iobp(0xe9000a40);
+			break;
+		case 5:
+			pcie_add_0x0202000_iobp(0xe9000c40);
+			pcie_add_0x0202000_iobp(0xe9000e40);
+			pcie_add_0x0202000_iobp(0xe9001040);
+			pcie_add_0x0202000_iobp(0xe9001240);
+			break;
+		case 6:
+			/* Update IOBP based on lane ownership. */
+			if (rpc.pin_ownership & (1 << 4))
+				pcie_add_0x0202000_iobp(0xea002040);
+			if (rpc.pin_ownership & (1 << 5))
+				pcie_add_0x0202000_iobp(0xea002240);
+			if (rpc.pin_ownership & (1 << 6))
+				pcie_add_0x0202000_iobp(0xea002440);
+			if (rpc.pin_ownership & (1 << 7))
+				pcie_add_0x0202000_iobp(0xea002640);
+			break;
+		}
+
+		pcie_update_cfg(dev, 0x338, ~(1 << 26), 0);
+	}
+
+	/* Enable LTR in Root Port. Disable OBFF. */
+	pcie_update_cfg(dev, 0x64, ~(1 << 11) & ~(3 << 18), (1 << 11));
+	pcie_update_cfg(dev, 0x68, ~(1 << 10), (1 << 10));
+
+	pcie_update_cfg(dev, 0x318, ~(0xffff << 16), (0x1414 << 16));
+
+	/* Set L1 exit latency in LCAP register. */
+	if (!do_aspm && (pci_read_config8(dev, 0xf5) & 0x1))
+		pcie_update_cfg(dev, 0x4c, ~(0x7 << 15), (0x4 << 15));
+	else
+		pcie_update_cfg(dev, 0x4c, ~(0x7 << 15), (0x2 << 15));
+
+	pcie_update_cfg(dev, 0x314, 0x0, 0x743a361b);
+
+	/* Set Common Clock Exit Latency in MPC register. */
+	pcie_update_cfg(dev, 0xd8, ~(0x7 << 15), (0x3 << 15));
+
+	pcie_update_cfg(dev, 0x33c, ~0x00ffffff, 0x854d74);
+
+	/* Set Invalid Receive Range Check Enable in MPC register. */
+	pcie_update_cfg(dev, 0xd8, ~0, (1 << 25));
+
+	pcie_update_cfg8(dev, 0xf5, 0x0f, 0);
+
+	/* Set AER Extended Cap ID to 01h and Next Cap Pointer to 200h. */
+	pcie_update_cfg(dev, 0x100, ~(1 << 29) & ~0xfffff, (1 << 29) | 0x10001);
+
+	/* Set L1 Sub-State Cap ID to 1Eh and Next Cap Pointer to None. */
+	pcie_update_cfg(dev, 0x200, ~0xffff, 0x001e);
+
+	pcie_update_cfg(dev, 0x320, ~(3 << 20) & ~(7 << 6),
+		(1 << 20) | (3 << 6));
+	/* Enable Relaxed Order from Root Port. */
+	pcie_update_cfg(dev, 0x320, ~(3 << 23), (3 << 23));
+
+	if (rp == 1 || rp == 5 || rp == 6)
+		pcie_update_cfg8(dev, 0xf7, ~0xc, 0);
+
+	/* Set EOI forwarding disable. */
+	pcie_update_cfg(dev, 0xd4, ~0, (1 << 1));
+
+	/* Read and write back write-once capability registers. */
+	pcie_update_cfg(dev, 0x34, ~0, 0);
+	pcie_update_cfg(dev, 0x40, ~0, 0);
+	pcie_update_cfg(dev, 0x80, ~0, 0);
+	pcie_update_cfg(dev, 0x90, ~0, 0);
+}
+
+static void pch_pcie_init(struct device *dev)
+{
+	u16 reg16;
+	u32 reg32;
+
+	printk(BIOS_DEBUG, "Initializing PCH PCIe bridge.\n");
+
+	/* Enable SERR */
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	reg32 |= PCI_COMMAND_SERR;
+	pci_write_config32(dev, PCI_COMMAND, reg32);
+
+	/* Enable Bus Master */
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	reg32 |= PCI_COMMAND_MASTER;
+	pci_write_config32(dev, PCI_COMMAND, reg32);
+
+	/* Set Cache Line Size to 0x10 */
+	pci_write_config8(dev, 0x0c, 0x10);
+
+	reg16 = pci_read_config16(dev, 0x3e);
+	reg16 &= ~(1 << 0); /* disable parity error response */
+	reg16 |= (1 << 2); /* ISA enable */
+	pci_write_config16(dev, 0x3e, reg16);
+
+#ifdef EVEN_MORE_DEBUG
+	reg32 = pci_read_config32(dev, 0x20);
+	printk(BIOS_SPEW, "    MBL    = 0x%08x\n", reg32);
+	reg32 = pci_read_config32(dev, 0x24);
+	printk(BIOS_SPEW, "    PMBL   = 0x%08x\n", reg32);
+	reg32 = pci_read_config32(dev, 0x28);
+	printk(BIOS_SPEW, "    PMBU32 = 0x%08x\n", reg32);
+	reg32 = pci_read_config32(dev, 0x2c);
+	printk(BIOS_SPEW, "    PMLU32 = 0x%08x\n", reg32);
+#endif
+
+	/* Clear errors in status registers */
+	reg16 = pci_read_config16(dev, 0x06);
+	pci_write_config16(dev, 0x06, reg16);
+	reg16 = pci_read_config16(dev, 0x1e);
+	pci_write_config16(dev, 0x1e, reg16);
+}
+
+static void pch_pcie_enable(device_t dev)
+{
+	/* Add this device to the root port config structure. */
+	root_port_init_config(dev);
+
+	/* Check to see if this Root Port should be disabled. */
+	root_port_check_disable(dev);
+
+	/* Power Management init before enumeration */
+	if (dev->enabled)
+		pch_pcie_early(dev);
+
+	/*
+	 * When processing the last PCIe root port we can now
+	 * update the Root Port Function Number and Hide register.
+	 */
+	if (root_port_is_last(dev))
+		root_port_commit_config();
+}
+
+static void pcie_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	/* NOTE: This is not the default position! */
+	if (!vendor || !device)
+		pci_write_config32(dev, 0x94, pci_read_config32(dev, 0));
+	else
+		pci_write_config32(dev, 0x94, (device << 16) | vendor);
+}
+
+static void pcie_set_L1_ss_max_latency(device_t dev, unsigned int off)
+{
+	/* Set max snoop and non-snoop latency for Broadwell */
+	pci_mmio_write_config32(dev, off, 0x10031003);
+}
+
+static struct pci_operations pcie_ops = {
+	.set_subsystem = pcie_set_subsystem,
+	.set_L1_ss_latency = pcie_set_L1_ss_max_latency,
+};
+
+static struct device_operations device_ops = {
+	.read_resources		= pci_bus_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pci_bus_enable_resources,
+	.init			= pch_pcie_init,
+	.enable			= pch_pcie_enable,
+	.scan_bus		= pciexp_scan_bridge,
+	.ops_pci		= &pcie_ops,
+};
+
+static const unsigned short pcie_device_ids[] = {
+	/* Lynxpoint-LP */
+	0x9c10, 0x9c12, 0x9c14, 0x9c16, 0x9c18, 0x9c1a,
+	/* WildcatPoint */
+	0x9c90, 0x9c92, 0x9c94, 0x9c96, 0x9c98, 0x9c9a, 0x2448,
+	0
+};
+
+static const struct pci_driver pch_pcie __pci_driver = {
+	.ops	 = &device_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pcie_device_ids,
+};
diff --git a/src/soc/intel/skylake/pei_data.c b/src/soc/intel/skylake/pei_data.c
new file mode 100644
index 0000000..180f0ca
--- /dev/null
+++ b/src/soc/intel/skylake/pei_data.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <console/streams.h>
+#include <soc/iomap.h>
+#include <soc/pei_data.h>
+#include <soc/pei_wrapper.h>
+#include <soc/smm.h>
+
+static void ABI_X86 send_to_console(unsigned char b)
+{
+	console_tx_byte(b);
+}
+
+void broadwell_fill_pei_data(struct pei_data *pei_data)
+{
+	pei_data->pei_version = PEI_VERSION;
+	pei_data->board_type = BOARD_TYPE_ULT;
+	pei_data->usbdebug = CONFIG_USBDEBUG;
+	pei_data->pciexbar = MCFG_BASE_ADDRESS;
+	pei_data->smbusbar = SMBUS_BASE_ADDRESS;
+	pei_data->ehcibar = EARLY_EHCI_BAR;
+	pei_data->xhcibar = EARLY_XHCI_BAR;
+	pei_data->gttbar = EARLY_GTT_BAR;
+	pei_data->pmbase = ACPI_BASE_ADDRESS;
+	pei_data->gpiobase = GPIO_BASE_ADDRESS;
+	pei_data->tseg_size = smm_region_size();
+	pei_data->temp_mmio_base = EARLY_TEMP_MMIO;
+	pei_data->tx_byte = &send_to_console;
+	pei_data->ddr_refresh_2x = 1;
+}
diff --git a/src/soc/intel/skylake/pmutil.c b/src/soc/intel/skylake/pmutil.c
new file mode 100644
index 0000000..7686387
--- /dev/null
+++ b/src/soc/intel/skylake/pmutil.c
@@ -0,0 +1,452 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/*
+ * Helper functions for dealing with power management registers
+ * and the differences between PCH variants.
+ */
+
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_def.h>
+#include <console/console.h>
+#include <soc/iomap.h>
+#include <soc/lpc.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/gpio.h>
+
+/* Print status bits with descriptive names */
+static void print_status_bits(u32 status, const char *bit_names[])
+{
+	int i;
+
+	if (!status)
+		return;
+
+	for (i=31; i>=0; i--) {
+		if (status & (1 << i)) {
+			if (bit_names[i])
+				printk(BIOS_DEBUG, "%s ", bit_names[i]);
+			else
+				printk(BIOS_DEBUG, "BIT%d ", i);
+		}
+	}
+}
+
+/* Print status bits as GPIO numbers */
+static void print_gpio_status(u32 status, int start)
+{
+	int i;
+
+	if (!status)
+		return;
+
+	for (i=31; i>=0; i--) {
+		if (status & (1 << i))
+			printk(BIOS_DEBUG, "GPIO%d ", start + i);
+	}
+}
+
+
+/*
+ * PM1_CNT
+ */
+
+/* Enable events in PM1 control register */
+void enable_pm1_control(u32 mask)
+{
+	u32 pm1_cnt = inl(ACPI_BASE_ADDRESS + PM1_CNT);
+	pm1_cnt |= mask;
+	outl(pm1_cnt, ACPI_BASE_ADDRESS + PM1_CNT);
+}
+
+/* Disable events in PM1 control register */
+void disable_pm1_control(u32 mask)
+{
+	u32 pm1_cnt = inl(ACPI_BASE_ADDRESS + PM1_CNT);
+	pm1_cnt &= ~mask;
+	outl(pm1_cnt, ACPI_BASE_ADDRESS + PM1_CNT);
+}
+
+
+/*
+ * PM1
+ */
+
+/* Clear and return PM1 status register */
+static u16 reset_pm1_status(void)
+{
+	u16 pm1_sts = inw(ACPI_BASE_ADDRESS + PM1_STS);
+	outw(pm1_sts, ACPI_BASE_ADDRESS + PM1_STS);
+	return pm1_sts;
+}
+
+/* Print PM1 status bits */
+static u16 print_pm1_status(u16 pm1_sts)
+{
+	const char *pm1_sts_bits[] = {
+		[0] = "TMROF",
+		[4] = "BM",
+		[5] = "GBL",
+		[8] = "PWRBTN",
+		[10] = "RTC",
+		[11] = "PRBTNOR",
+		[14] = "PCIEXPWAK",
+		[15] = "WAK",
+	};
+
+	if (!pm1_sts)
+		return 0;
+
+	printk(BIOS_SPEW, "PM1_STS: ");
+	print_status_bits(pm1_sts, pm1_sts_bits);
+	printk(BIOS_SPEW, "\n");
+
+	return pm1_sts;
+}
+
+/* Print, clear, and return PM1 status */
+u16 clear_pm1_status(void)
+{
+	return print_pm1_status(reset_pm1_status());
+}
+
+/* Set the PM1 register to events */
+void enable_pm1(u16 events)
+{
+	outw(events, ACPI_BASE_ADDRESS + PM1_EN);
+}
+
+
+/*
+ * SMI
+ */
+
+/* Clear and return SMI status register */
+static u32 reset_smi_status(void)
+{
+	u32 smi_sts = inl(ACPI_BASE_ADDRESS + SMI_STS);
+	outl(smi_sts, ACPI_BASE_ADDRESS + SMI_STS);
+	return smi_sts;
+}
+
+/* Print SMI status bits */
+static u32 print_smi_status(u32 smi_sts)
+{
+	const char *smi_sts_bits[] = {
+		[2] = "BIOS",
+		[3] = "LEGACY_USB",
+		[4] = "SLP_SMI",
+		[5] = "APM",
+		[6] = "SWSMI_TMR",
+		[8] = "PM1",
+		[9] = "GPE0",
+		[10] = "GPI",
+		[11] = "MCSMI",
+		[12] = "DEVMON",
+		[13] = "TCO",
+		[14] = "PERIODIC",
+		[15] = "SERIRQ_SMI",
+		[16] = "SMBUS_SMI",
+		[17] = "LEGACY_USB2",
+		[18] = "INTEL_USB2",
+		[20] = "PCI_EXP_SMI",
+		[21] = "MONITOR",
+		[26] = "SPI",
+		[27] = "GPIO_UNLOCK"
+	};
+
+	if (!smi_sts)
+		return 0;
+
+	printk(BIOS_DEBUG, "SMI_STS: ");
+	print_status_bits(smi_sts, smi_sts_bits);
+	printk(BIOS_DEBUG, "\n");
+
+	return smi_sts;
+}
+
+/* Print, clear, and return SMI status */
+u32 clear_smi_status(void)
+{
+	return print_smi_status(reset_smi_status());
+}
+
+/* Enable SMI event */
+void enable_smi(u32 mask)
+{
+	u32 smi_en = inl(ACPI_BASE_ADDRESS + SMI_EN);
+	smi_en |= mask;
+	outl(smi_en, ACPI_BASE_ADDRESS + SMI_EN);
+}
+
+/* Disable SMI event */
+void disable_smi(u32 mask)
+{
+	u32 smi_en = inl(ACPI_BASE_ADDRESS + SMI_EN);
+	smi_en &= ~mask;
+	outl(smi_en, ACPI_BASE_ADDRESS + SMI_EN);
+}
+
+
+/*
+ * ALT_GP_SMI
+ */
+
+/* Clear GPIO SMI status and return events that are enabled and active */
+static u32 reset_alt_smi_status(void)
+{
+	u32 alt_sts, alt_en;
+
+	/* Low Power variant moves this to GPIO region as dword */
+	alt_sts = inl(GPIO_BASE_ADDRESS + GPIO_ALT_GPI_SMI_STS);
+	outl(alt_sts, GPIO_BASE_ADDRESS + GPIO_ALT_GPI_SMI_STS);
+	alt_en = inl(GPIO_BASE_ADDRESS + GPIO_ALT_GPI_SMI_EN);
+
+	/* Only report enabled events */
+	return alt_sts & alt_en;
+}
+
+/* Print GPIO SMI status bits */
+static u32 print_alt_smi_status(u32 alt_sts)
+{
+	if (!alt_sts)
+		return 0;
+
+	printk(BIOS_DEBUG, "ALT_STS: ");
+
+	/* First 16 events are GPIO 32-47 */
+	print_gpio_status(alt_sts & 0xffff, 32);
+
+	printk(BIOS_DEBUG, "\n");
+
+	return alt_sts;
+}
+
+/* Print, clear, and return GPIO SMI status */
+u32 clear_alt_smi_status(void)
+{
+	return print_alt_smi_status(reset_alt_smi_status());
+}
+
+/* Enable GPIO SMI events */
+void enable_alt_smi(u32 mask)
+{
+	u32 alt_en;
+
+	alt_en = inl(GPIO_BASE_ADDRESS + GPIO_ALT_GPI_SMI_EN);
+	alt_en |= mask;
+	outl(alt_en, GPIO_BASE_ADDRESS + GPIO_ALT_GPI_SMI_EN);
+}
+
+
+/*
+ * TCO
+ */
+
+/* Clear TCO status and return events that are enabled and active */
+static u32 reset_tco_status(void)
+{
+	u32 tcobase = ACPI_BASE_ADDRESS + 0x60;
+	u32 tco_sts = inl(tcobase + 0x04);
+	u32 tco_en = inl(ACPI_BASE_ADDRESS + 0x68);
+
+	/* Don't clear BOOT_STS before SECOND_TO_STS */
+	outl(tco_sts & ~(1 << 18), tcobase + 0x04);
+
+	/* Clear BOOT_STS */
+	if (tco_sts & (1 << 18))
+		outl(tco_sts & (1 << 18), tcobase + 0x04);
+
+	return tco_sts & tco_en;
+}
+
+/* Print TCO status bits */
+static u32 print_tco_status(u32 tco_sts)
+{
+	const char *tco_sts_bits[] = {
+		[0] = "NMI2SMI",
+		[1] = "SW_TCO",
+		[2] = "TCO_INT",
+		[3] = "TIMEOUT",
+		[7] = "NEWCENTURY",
+		[8] = "BIOSWR",
+		[9] = "DMISCI",
+		[10] = "DMISMI",
+		[12] = "DMISERR",
+		[13] = "SLVSEL",
+		[16] = "INTRD_DET",
+		[17] = "SECOND_TO",
+		[18] = "BOOT",
+		[20] = "SMLINK_SLV"
+	};
+
+	if (!tco_sts)
+		return 0;
+
+	printk(BIOS_DEBUG, "TCO_STS: ");
+	print_status_bits(tco_sts, tco_sts_bits);
+	printk(BIOS_DEBUG, "\n");
+
+	return tco_sts;
+}
+
+/* Print, clear, and return TCO status */
+u32 clear_tco_status(void)
+{
+	return print_tco_status(reset_tco_status());
+}
+
+/* Enable TCO SCI */
+void enable_tco_sci(void)
+{
+	/* Clear pending events */
+	outl(ACPI_BASE_ADDRESS + GPE0_STS(3), TCOSCI_STS);
+
+	/* Enable TCO SCI events */
+	enable_gpe(TCOSCI_EN);
+}
+
+
+/*
+ * GPE0
+ */
+
+/* Clear a GPE0 status and return events that are enabled and active */
+static u32 reset_gpe(u16 sts_reg, u16 en_reg)
+{
+	u32 gpe0_sts = inl(ACPI_BASE_ADDRESS + sts_reg);
+	u32 gpe0_en = inl(ACPI_BASE_ADDRESS + en_reg);
+
+	outl(gpe0_sts, ACPI_BASE_ADDRESS + sts_reg);
+
+	/* Only report enabled events */
+	return gpe0_sts & gpe0_en;
+}
+
+/* Print GPE0 status bits */
+static u32 print_gpe_status(u32 gpe0_sts, const char *bit_names[])
+{
+	if (!gpe0_sts)
+		return 0;
+
+	printk(BIOS_DEBUG, "GPE0_STS: ");
+	print_status_bits(gpe0_sts, bit_names);
+	printk(BIOS_DEBUG, "\n");
+
+	return gpe0_sts;
+}
+
+/* Print GPE0 GPIO status bits */
+static u32 print_gpe_gpio(u32 gpe0_sts, int start)
+{
+	if (!gpe0_sts)
+		return 0;
+
+	printk(BIOS_DEBUG, "GPE0_STS: ");
+	print_gpio_status(gpe0_sts, start);
+	printk(BIOS_DEBUG, "\n");
+
+	return gpe0_sts;
+}
+
+/* Clear all GPE status and return "standard" GPE event status */
+u32 clear_gpe_status(void)
+{
+	const char *gpe0_sts_3_bits[] = {
+		[1] = "HOTPLUG",
+		[2] = "SWGPE",
+		[6] = "TCO_SCI",
+		[7] = "SMB_WAK",
+		[9] = "PCI_EXP",
+		[10] = "BATLOW",
+		[11] = "PME",
+		[12] = "ME",
+		[13] = "PME_B0",
+		[16] = "GPIO27",
+		[18] = "WADT"
+	};
+
+	print_gpe_gpio(reset_gpe(GPE0_STS(GPE_31_0), GPE0_EN(GPE_31_0)), 0);
+	print_gpe_gpio(reset_gpe(GPE0_STS(GPE_63_32), GPE0_EN(GPE_63_32)), 32);
+	print_gpe_gpio(reset_gpe(GPE0_STS(GPE_94_64), GPE0_EN(GPE_94_64)), 64);
+	return print_gpe_status(reset_gpe(GPE0_STS(GPE_STD), GPE0_EN(GPE_STD)),
+				gpe0_sts_3_bits);
+}
+
+/* Enable all requested GPE */
+void enable_all_gpe(u32 set1, u32 set2, u32 set3, u32 set4)
+{
+	outl(set1, ACPI_BASE_ADDRESS + GPE0_EN(GPE_31_0));
+	outl(set2, ACPI_BASE_ADDRESS + GPE0_EN(GPE_63_32));
+	outl(set3, ACPI_BASE_ADDRESS + GPE0_EN(GPE_94_64));
+	outl(set4, ACPI_BASE_ADDRESS + GPE0_EN(GPE_STD));
+}
+
+/* Disable all GPE */
+void disable_all_gpe(void)
+{
+	enable_all_gpe(0, 0, 0, 0);
+}
+
+/* Enable a standard GPE */
+void enable_gpe(u32 mask)
+{
+	u32 gpe0_en = inl(ACPI_BASE_ADDRESS + GPE0_EN(GPE_STD));
+	gpe0_en |= mask;
+	outl(gpe0_en, ACPI_BASE_ADDRESS + GPE0_EN(GPE_STD));
+}
+
+/* Disable a standard GPE */
+void disable_gpe(u32 mask)
+{
+	u32 gpe0_en = inl(ACPI_BASE_ADDRESS + GPE0_EN(GPE_STD));
+	gpe0_en &= ~mask;
+	outl(gpe0_en, ACPI_BASE_ADDRESS + GPE0_EN(GPE_STD));
+}
+
+int acpi_sci_irq(void)
+{
+	int scis = pci_read_config32(PCH_DEV_LPC, ACPI_CNTL) & SCI_IRQ_SEL;
+	int sci_irq = 9;
+
+	/* Determine how SCI is routed. */
+	switch (scis) {
+	case SCIS_IRQ9:
+	case SCIS_IRQ10:
+	case SCIS_IRQ11:
+		sci_irq = scis - SCIS_IRQ9 + 9;
+		break;
+	case SCIS_IRQ20:
+	case SCIS_IRQ21:
+	case SCIS_IRQ22:
+	case SCIS_IRQ23:
+		sci_irq = scis - SCIS_IRQ20 + 20;
+		break;
+	default:
+		printk(BIOS_DEBUG, "Invalid SCI route! Defaulting to IRQ9.\n");
+		sci_irq = 9;
+		break;
+	}
+
+	printk(BIOS_DEBUG, "SCI is IRQ%d\n", sci_irq);
+	return sci_irq;
+}
diff --git a/src/soc/intel/skylake/ramstage.c b/src/soc/intel/skylake/ramstage.c
new file mode 100644
index 0000000..eaa28d0
--- /dev/null
+++ b/src/soc/intel/skylake/ramstage.c
@@ -0,0 +1,100 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/acpi.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <stdlib.h>
+#include <string.h>
+#include <soc/nvs.h>
+#include <soc/pm.h>
+#include <soc/ramstage.h>
+#include <soc/intel/broadwell/chip.h>
+
+/* Save bit index for PM1_STS and GPE_STS for ACPI _SWS */
+static void save_acpi_wake_source(global_nvs_t *gnvs)
+{
+	struct chipset_power_state *ps = cbmem_find(CBMEM_ID_POWER_STATE);
+	uint16_t pm1;
+	int gpe_reg;
+
+	if (!ps)
+		return;
+
+	pm1 = ps->pm1_sts & ps->pm1_en;
+
+	/* Scan for first set bit in PM1 */
+	for (gnvs->pm1i = 0; gnvs->pm1i < 16; gnvs->pm1i++) {
+		if (pm1 & 1)
+			break;
+		pm1 >>= 1;
+	}
+
+	/* If unable to determine then return -1 */
+	if (gnvs->pm1i >= 16)
+		gnvs->pm1i = -1;
+
+	/* Scan for first set bit in GPE registers */
+	gnvs->gpei = -1;
+	for (gpe_reg = 0; gpe_reg < GPE0_REG_MAX; gpe_reg++) {
+		u32 gpe = ps->gpe0_sts[gpe_reg] & ps->gpe0_en[gpe_reg];
+		int start = gpe_reg * GPE0_REG_SIZE;
+		int end = start + GPE0_REG_SIZE;
+
+		if (gpe == 0) {
+			if (!gnvs->gpei)
+				gnvs->gpei = end;
+			continue;
+		}
+
+		for (gnvs->gpei = start; gnvs->gpei < end; gnvs->gpei++) {
+			if (gpe & 1)
+				break;
+			gpe >>= 1;
+		}
+	}
+
+	/* If unable to determine then return -1 */
+	if (gnvs->gpei >= (GPE0_REG_MAX * GPE0_REG_SIZE))
+		gnvs->gpei = -1;
+
+	printk(BIOS_DEBUG, "ACPI _SWS is PM1 Index %lld GPE Index %lld\n",
+	       gnvs->pm1i, gnvs->gpei);
+}
+
+static void s3_resume_prepare(void)
+{
+	global_nvs_t *gnvs;
+
+	gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(global_nvs_t));
+	if (gnvs == NULL)
+		return;
+
+	if (!acpi_is_wakeup_s3())
+		memset(gnvs, 0, sizeof(global_nvs_t));
+	else
+		save_acpi_wake_source(gnvs);
+}
+
+void broadwell_init_pre_device(void *chip_info)
+{
+	s3_resume_prepare();
+	broadwell_run_reference_code();
+}
diff --git a/src/soc/intel/skylake/refcode.c b/src/soc/intel/skylake/refcode.c
new file mode 100644
index 0000000..201825a
--- /dev/null
+++ b/src/soc/intel/skylake/refcode.c
@@ -0,0 +1,146 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <string.h>
+#include <arch/acpi.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <console/streams.h>
+#include <cpu/x86/tsc.h>
+#include <program_loading.h>
+#include <rmodule.h>
+#include <stage_cache.h>
+#include <string.h>
+#if IS_ENABLED(CONFIG_CHROMEOS)
+#include <vendorcode/google/chromeos/vboot_handoff.h>
+#endif
+#include <soc/pei_data.h>
+#include <soc/pei_wrapper.h>
+#include <soc/ramstage.h>
+
+static pei_wrapper_entry_t load_refcode_from_cache(void)
+{
+	struct prog refcode;
+
+	printk(BIOS_DEBUG, "refcode loading from cache.\n");
+
+	stage_cache_load_stage(STAGE_REFCODE, &refcode);
+
+	return (pei_wrapper_entry_t)prog_entry(&refcode);
+}
+
+static void cache_refcode(const struct rmod_stage_load *rsl)
+{
+	stage_cache_add(STAGE_REFCODE, rsl->prog);
+}
+
+#if IS_ENABLED(CONFIG_CHROMEOS)
+static int load_refcode_from_vboot(struct rmod_stage_load *refcode)
+{
+	struct vboot_handoff *vboot_handoff;
+	const struct firmware_component *fwc;
+	struct cbfs_stage *stage;
+
+	vboot_handoff = cbmem_find(CBMEM_ID_VBOOT_HANDOFF);
+	fwc = &vboot_handoff->components[CONFIG_VBOOT_REFCODE_INDEX];
+
+	if (vboot_handoff == NULL ||
+	    vboot_handoff->selected_firmware == VB_SELECT_FIRMWARE_READONLY ||
+	    CONFIG_VBOOT_REFCODE_INDEX >= MAX_PARSED_FW_COMPONENTS ||
+	    fwc->size == 0 || fwc->address == 0)
+		return -1;
+
+	printk(BIOS_DEBUG, "refcode loading from vboot rw area.\n");
+	stage = (void *)(uintptr_t)fwc->address;
+
+	if (rmodule_stage_load(refcode, stage)) {
+		printk(BIOS_DEBUG, "Error loading reference code.\n");
+		return -1;
+	}
+	return 0;
+}
+#else
+static int load_refcode_from_vboot(struct rmod_stage_load *refcode)
+{
+	return -1;
+}
+#endif
+
+static int load_refcode_from_cbfs(struct rmod_stage_load *refcode)
+{
+	printk(BIOS_DEBUG, "refcode loading from cbfs.\n");
+
+	if (rmodule_stage_load_from_cbfs(refcode)) {
+		printk(BIOS_DEBUG, "Error loading reference code.\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static pei_wrapper_entry_t load_reference_code(void)
+{
+	struct prog prog = {
+		.name = CONFIG_CBFS_PREFIX "/refcode",
+	};
+	struct rmod_stage_load refcode = {
+		.cbmem_id = CBMEM_ID_REFCODE,
+		.prog = &prog,
+	};
+
+	if (acpi_is_wakeup_s3()) {
+		return load_refcode_from_cache();
+	}
+
+	if (load_refcode_from_vboot(&refcode) ||
+		load_refcode_from_cbfs(&refcode))
+			return NULL;
+
+	/* Cache loaded reference code. */
+	cache_refcode(&refcode);
+
+	return prog_entry(&prog);
+}
+
+void broadwell_run_reference_code(void)
+{
+	int ret, dummy;
+	struct pei_data pei_data;
+	pei_wrapper_entry_t entry;
+
+	memset(&pei_data, 0, sizeof(pei_data));
+	mainboard_fill_pei_data(&pei_data);
+	broadwell_fill_pei_data(&pei_data);
+
+	pei_data.boot_mode = acpi_slp_type;
+	pei_data.saved_data = (void *) &dummy;
+
+	entry = load_reference_code();
+	if (entry == NULL) {
+		printk(BIOS_ERR, "Reference code not found\n");
+		return;
+	}
+
+	/* Call into reference code. */
+	ret = entry(&pei_data);
+	if (ret != 0) {
+		printk(BIOS_ERR, "Reference code returned %d\n", ret);
+		return;
+	}
+}
diff --git a/src/soc/intel/skylake/reset.c b/src/soc/intel/skylake/reset.c
new file mode 100644
index 0000000..a56ec24
--- /dev/null
+++ b/src/soc/intel/skylake/reset.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <halt.h>
+#include <reset.h>
+#include <soc/reset.h>
+
+/*
+ * Soft reset (INIT# to cpu) - write 0x1 to I/O 0x92
+ * Soft reset (INIT# to cpu)- write 0x4 to I/0 0xcf9
+ * Cold reset (S0->S5->S0) - write 0xe to I/0 0xcf9
+ * Warm reset (PLTRST# assertion) - write 0x6 to I/O 0xcf9
+ * Global reset (S0->S5->S0 with ME reset) - write 0x6 or 0xe to 0xcf9 but
+ * with ETR[20] set.
+ */
+
+void soft_reset(void)
+{
+        outb(0x04, 0xcf9);
+}
+
+void hard_reset(void)
+{
+        outb(0x06, 0xcf9);
+}
+
+void reset_system(void)
+{
+	hard_reset();
+	halt();
+}
diff --git a/src/soc/intel/skylake/romstage/Makefile.inc b/src/soc/intel/skylake/romstage/Makefile.inc
new file mode 100644
index 0000000..ae0f980
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/Makefile.inc
@@ -0,0 +1,13 @@
+cpu_incs += $(src)/soc/intel/broadwell/romstage/cache_as_ram.inc
+
+romstage-y += cpu.c
+romstage-y += pch.c
+romstage-y += power_state.c
+romstage-y += raminit.c
+romstage-y += report_platform.c
+romstage-y += romstage.c
+romstage-y += smbus.c
+romstage-y += spi.c
+romstage-y += stack.c
+romstage-y += systemagent.c
+romstage-$(CONFIG_DRIVERS_UART_8250MEM) += uart.c
diff --git a/src/soc/intel/skylake/romstage/cache_as_ram.inc b/src/soc/intel/skylake/romstage/cache_as_ram.inc
new file mode 100644
index 0000000..a10ca4c
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/cache_as_ram.inc
@@ -0,0 +1,341 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2000,2007 Ronald G. Minnich <rminnich at gmail.com>
+ * Copyright (C) 2007-2008 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <cpu/x86/mtrr.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/post_code.h>
+#include <cbmem.h>
+
+/* The full cache-as-ram size includes the cache-as-ram portion from coreboot
+ * and the space used by the reference code. These 2 values combined should
+ * be a power of 2 because the MTRR setup assumes that. */
+#define CACHE_AS_RAM_SIZE \
+	(CONFIG_DCACHE_RAM_SIZE + CONFIG_DCACHE_RAM_MRC_VAR_SIZE)
+#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
+#define CACHE_AS_RAM_LIMIT (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE)
+#define USBDEBUG_VAR_SIZE  36 /* sizeof(struct ehci_debug_info) */
+
+/* Cache 4GB - MRC_SIZE_KB for MRC */
+#define CACHE_MRC_BYTES   ((CONFIG_CACHE_MRC_SIZE_KB << 10) - 1)
+#define CACHE_MRC_BASE    (0xFFFFFFFF - CACHE_MRC_BYTES)
+#define CACHE_MRC_MASK    (~CACHE_MRC_BYTES)
+
+#define CPU_MAXPHYSADDR CONFIG_CPU_ADDR_BITS
+#define CPU_PHYSMASK_HI  (1 << (CPU_MAXPHYSADDR - 32) - 1)
+
+#define NoEvictMod_MSR 0x2e0
+
+	/* Save the BIST result. */
+	movl	%eax, %ebp
+
+cache_as_ram:
+	post_code(0x20)
+
+	/* Send INIT IPI to all excluding ourself. */
+	movl	$0x000C4500, %eax
+	movl	$0xFEE00300, %esi
+	movl	%eax, (%esi)
+
+	/* All CPUs need to be in Wait for SIPI state */
+wait_for_sipi:
+	movl	(%esi), %eax
+	bt	$12, %eax
+	jc	wait_for_sipi
+
+	post_code(0x21)
+	/* Zero out all fixed range and variable range MTRRs. */
+	movl	$mtrr_table, %esi
+	movl	$((mtrr_table_end - mtrr_table) / 2), %edi
+	xorl	%eax, %eax
+	xorl	%edx, %edx
+clear_mtrrs:
+	movw	(%esi), %bx
+	movzx	%bx, %ecx
+	wrmsr
+	add	$2, %esi
+	dec	%edi
+	jnz	clear_mtrrs
+
+	post_code(0x22)
+	/* Configure the default memory type to uncacheable. */
+	movl	$MTRRdefType_MSR, %ecx
+	rdmsr
+	andl	$(~0x00000cff), %eax
+	wrmsr
+
+	post_code(0x23)
+	/* Set Cache-as-RAM base address. */
+	movl	$(MTRRphysBase_MSR(0)), %ecx
+	movl	$(CACHE_AS_RAM_BASE | MTRR_TYPE_WRBACK), %eax
+	xorl	%edx, %edx
+	wrmsr
+
+	post_code(0x24)
+	/* Set Cache-as-RAM mask. */
+	movl	$(MTRRphysMask_MSR(0)), %ecx
+	movl	$(~(CACHE_AS_RAM_SIZE - 1) | MTRRphysMaskValid), %eax
+	movl	$CPU_PHYSMASK_HI, %edx
+	wrmsr
+
+	post_code(0x25)
+
+	/* Enable MTRR. */
+	movl	$MTRRdefType_MSR, %ecx
+	rdmsr
+	orl	$MTRRdefTypeEn, %eax
+	wrmsr
+
+	/* Enable cache (CR0.CD = 0, CR0.NW = 0). */
+        movl	%cr0, %eax
+	andl	$(~(CR0_CacheDisable | CR0_NoWriteThrough)), %eax
+	invd
+	movl	%eax, %cr0
+
+	/* enable the 'no eviction' mode */
+	movl    $NoEvictMod_MSR, %ecx
+	rdmsr
+	orl     $1, %eax
+	andl    $~2, %eax
+	wrmsr
+
+	/* Clear the cache memory region. This will also fill up the cache */
+	movl	$CACHE_AS_RAM_BASE, %esi
+	movl	%esi, %edi
+	movl	$(CACHE_AS_RAM_SIZE / 4), %ecx
+	xorl	%eax, %eax
+	rep	stosl
+
+	/* enable the 'no eviction run' state */
+	movl    $NoEvictMod_MSR, %ecx
+	rdmsr
+	orl     $3, %eax
+	wrmsr
+
+	post_code(0x26)
+	/* Enable Cache-as-RAM mode by disabling cache. */
+	movl	%cr0, %eax
+	orl	$CR0_CacheDisable, %eax
+	movl	%eax, %cr0
+
+	/* Enable cache for our code in Flash because we do XIP here */
+	movl	$MTRRphysBase_MSR(1), %ecx
+	xorl	%edx, %edx
+	/*
+	 * IMPORTANT: The following calculation _must_ be done at runtime. See
+	 * http://www.coreboot.org/pipermail/coreboot/2010-October/060855.html
+	 */
+	movl    $copy_and_run, %eax
+	andl    $(~(CONFIG_XIP_ROM_SIZE - 1)), %eax
+	orl	$MTRR_TYPE_WRPROT, %eax
+	wrmsr
+
+	movl	$MTRRphysMask_MSR(1), %ecx
+	movl	$CPU_PHYSMASK_HI, %edx
+	movl	$(~(CONFIG_XIP_ROM_SIZE - 1) | MTRRphysMaskValid), %eax
+	wrmsr
+
+	post_code(0x27)
+#if CONFIG_CACHE_MRC_BIN
+	/* Enable caching for ram init code to run faster */
+	movl	$MTRRphysBase_MSR(2), %ecx
+	movl	$(CACHE_MRC_BASE | MTRR_TYPE_WRPROT), %eax
+	xorl	%edx, %edx
+	wrmsr
+	movl	$MTRRphysMask_MSR(2), %ecx
+	movl	$(CACHE_MRC_MASK | MTRRphysMaskValid), %eax
+	movl	$CPU_PHYSMASK_HI, %edx
+	wrmsr
+#endif
+
+	post_code(0x28)
+	/* Enable cache. */
+	movl	%cr0, %eax
+	andl	$(~(CR0_CacheDisable | CR0_NoWriteThrough)), %eax
+	movl	%eax, %cr0
+
+	/* Setup the stack. */
+	movl	$(CACHE_AS_RAM_LIMIT), %eax
+#if CONFIG_USBDEBUG
+	sub	$(USBDEBUG_VAR_SIZE), %eax
+#endif
+	movl	%eax, %esp
+
+	/* Restore the BIST result. */
+	movl	%ebp, %eax
+
+	/* Build the call frame. */
+	movl	%esp, %ebp
+	movd	%mm1, %ebx
+	pushl	%ebx
+	movd	%mm0, %ebx
+	pushl	%ebx
+	pushl	%eax
+
+before_romstage:
+	post_code(0x29)
+	/* Call romstage.c main function. */
+	call	romstage_main
+	/* Save return value from romstage_main. It contains the stack to use
+	 * after cache-as-ram is torn down. It also contains the information
+	 * for setting up MTRRs. */
+	movl	%eax, %ebx
+
+	post_code(0x2f)
+
+	/* Copy global variable space (for USBDEBUG) to memory */
+#if CONFIG_USBDEBUG
+	cld
+	movl	$(CACHE_AS_RAM_LIMIT - USBDEBUG_VAR_SIZE), %esi
+	movl	$(CONFIG_RAMTOP - USBDEBUG_VAR_SIZE), %edi
+	movl	$USBDEBUG_VAR_SIZE, %ecx
+	rep	movsb
+#endif
+
+	post_code(0x30)
+
+	/* Disable cache. */
+	movl	%cr0, %eax
+	orl	$CR0_CacheDisable, %eax
+	movl	%eax, %cr0
+
+	post_code(0x31)
+
+	/* Disable MTRR. */
+	movl	$MTRRdefType_MSR, %ecx
+	rdmsr
+	andl	$(~MTRRdefTypeEn), %eax
+	wrmsr
+
+	post_code(0x31)
+
+	/* Disable the no eviction run state */
+	movl    $NoEvictMod_MSR, %ecx
+	rdmsr
+	andl    $~2, %eax
+	wrmsr
+
+	invd
+
+	/* Disable the no eviction mode */
+	rdmsr
+	andl    $~1, %eax
+	wrmsr
+
+#if CONFIG_CACHE_MRC_BIN
+	/* Clear MTRR that was used to cache MRC */
+	xorl	%eax, %eax
+	xorl	%edx, %edx
+	movl	$MTRRphysBase_MSR(2), %ecx
+	wrmsr
+	movl	$MTRRphysMask_MSR(2), %ecx
+	wrmsr
+#endif
+
+	post_code(0x33)
+
+	/* Enable cache. */
+	movl	%cr0, %eax
+	andl	$~(CR0_CacheDisable | CR0_NoWriteThrough), %eax
+	movl	%eax, %cr0
+
+	post_code(0x36)
+
+	/* Disable cache. */
+	movl	%cr0, %eax
+	orl	$CR0_CacheDisable, %eax
+	movl	%eax, %cr0
+
+	post_code(0x38)
+
+	/* Setup stack as indicated by return value from ramstage_main(). */
+	movl	%ebx, %esp
+
+	/* Get number of MTRRs. */
+	popl	%ebx
+	movl	$MTRRphysBase_MSR(0), %ecx
+1:
+	testl	%ebx, %ebx
+	jz	1f
+
+	/* Low 32 bits of MTRR base. */
+	popl	%eax
+	/* Upper 32 bits of MTRR base. */
+	popl	%edx
+	/* Write MTRR base. */
+	wrmsr
+	inc	%ecx
+	/* Low 32 bits of MTRR mask. */
+	popl	%eax
+	/* Upper 32 bits of MTRR mask. */
+	popl	%edx
+	/* Write MTRR mask. */
+	wrmsr
+	inc	%ecx
+
+	dec	%ebx
+	jmp	1b
+1:
+	post_code(0x39)
+
+	/* And enable cache again after setting MTRRs. */
+	movl	%cr0, %eax
+	andl	$~(CR0_CacheDisable | CR0_NoWriteThrough), %eax
+	movl	%eax, %cr0
+
+	post_code(0x3a)
+
+	/* Enable MTRR. */
+	movl	$MTRRdefType_MSR, %ecx
+	rdmsr
+	orl	$MTRRdefTypeEn, %eax
+	wrmsr
+
+	post_code(0x3b)
+
+	/* Invalidate the cache again. */
+	invd
+
+	post_code(0x3c)
+
+__main:
+	post_code(POST_PREPARE_RAMSTAGE)
+	cld			/* Clear direction flag. */
+	call	romstage_after_car
+
+.Lhlt:
+	post_code(POST_DEAD_CODE)
+	hlt
+	jmp	.Lhlt
+
+mtrr_table:
+	/* Fixed MTRRs */
+	.word 0x250, 0x258, 0x259
+	.word 0x268, 0x269, 0x26A
+	.word 0x26B, 0x26C, 0x26D
+	.word 0x26E, 0x26F
+	/* Variable MTRRs */
+	.word 0x200, 0x201, 0x202, 0x203
+	.word 0x204, 0x205, 0x206, 0x207
+	.word 0x208, 0x209, 0x20A, 0x20B
+	.word 0x20C, 0x20D, 0x20E, 0x20F
+	.word 0x210, 0x211, 0x212, 0x213
+mtrr_table_end:
+
diff --git a/src/soc/intel/skylake/romstage/cpu.c b/src/soc/intel/skylake/romstage/cpu.c
new file mode 100644
index 0000000..af175be
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/cpu.c
@@ -0,0 +1,55 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/cpu.h>
+#include <stdlib.h>
+#include <console/console.h>
+#include <cpu/x86/msr.h>
+#include <soc/cpu.h>
+#include <soc/msr.h>
+#include <soc/romstage.h>
+
+u32 cpu_family_model(void)
+{
+	return cpuid_eax(1) & 0x0fff0ff0;
+}
+
+void set_max_freq(void)
+{
+	msr_t msr, perf_ctl, platform_info;
+
+        /* Check for configurable TDP option */
+	platform_info = rdmsr(MSR_PLATFORM_INFO);
+
+	if ((platform_info.hi >> 1) & 3) {
+		/* Set to nominal TDP ratio */
+		msr = rdmsr(MSR_CONFIG_TDP_NOMINAL);
+		perf_ctl.lo = (msr.lo & 0xff) << 8;
+	} else {
+		/* Platform Info bits 15:8 give max ratio */
+		msr = rdmsr(MSR_PLATFORM_INFO);
+		perf_ctl.lo = msr.lo & 0xff00;
+	}
+
+	perf_ctl.hi = 0;
+	wrmsr(IA32_PERF_CTL, perf_ctl);
+
+	printk(BIOS_DEBUG, "CPU: frequency set to %d MHz\n",
+	       ((perf_ctl.lo >> 8) & 0xff) * CPU_BCLK);
+}
diff --git a/src/soc/intel/skylake/romstage/pch.c b/src/soc/intel/skylake/romstage/pch.c
new file mode 100644
index 0000000..6fa6c39
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/pch.c
@@ -0,0 +1,161 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci_def.h>
+#include <reg_script.h>
+#include <soc/iomap.h>
+#include <soc/lpc.h>
+#include <soc/pch.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/rcba.h>
+#include <soc/romstage.h>
+#include <soc/smbus.h>
+#include <soc/intel/broadwell/chip.h>
+
+const struct reg_script pch_early_init_script[] = {
+	/* Setup southbridge BARs */
+	REG_PCI_WRITE32(RCBA, RCBA_BASE_ADDRESS | 1),
+	REG_PCI_WRITE32(PMBASE, ACPI_BASE_ADDRESS | 1),
+	REG_PCI_WRITE8(ACPI_CNTL, ACPI_EN),
+	REG_PCI_WRITE32(GPIO_BASE, GPIO_BASE_ADDRESS | 1),
+	REG_PCI_WRITE8(GPIO_CNTL, GPIO_EN),
+
+	/* Set COM1/COM2 decode range */
+	REG_PCI_WRITE16(LPC_IO_DEC, 0x0010),
+	/* Enable legacy decode ranges */
+	REG_PCI_WRITE16(LPC_EN, CNF1_LPC_EN | CNF2_LPC_EN | GAMEL_LPC_EN |
+			COMA_LPC_EN | KBC_LPC_EN | MC_LPC_EN),
+
+	/* Enable IOAPIC */
+	REG_MMIO_WRITE16(RCBA_BASE_ADDRESS + OIC, 0x0100),
+	/* Read back for posted write */
+	REG_MMIO_READ16(RCBA_BASE_ADDRESS + OIC),
+
+	/* Set HPET address and enable it */
+	REG_MMIO_RMW32(RCBA_BASE_ADDRESS + HPTC, ~3, (1 << 7)),
+	/* Read back for posted write */
+	REG_MMIO_READ32(RCBA_BASE_ADDRESS + HPTC),
+	/* Enable HPET to start counter */
+	REG_MMIO_OR32(HPET_BASE_ADDRESS + 0x10, (1 << 0)),
+
+	/* Disable reset */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + GCS, (1 << 5)),
+	/* TCO timer halt */
+	REG_IO_OR16(ACPI_BASE_ADDRESS + TCO1_CNT, TCO_TMR_HLT),
+
+	/* Enable upper 128 bytes of CMOS */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + RC, (1 << 2)),
+
+	/* Disable unused device (always) */
+	REG_MMIO_OR32(RCBA_BASE_ADDRESS + FD, PCH_DISABLE_ALWAYS),
+
+	REG_SCRIPT_END
+};
+
+const struct reg_script pch_interrupt_init_script[] = {
+	/*
+	 *             GFX    INTA -> PIRQA (MSI)
+	 * D28IP_P1IP  PCIE   INTA -> PIRQA
+	 * D29IP_E1P   EHCI   INTA -> PIRQD
+	 * D20IP_XHCI  XHCI   INTA -> PIRQC (MSI)
+	 * D31IP_SIP   SATA   INTA -> PIRQF (MSI)
+	 * D31IP_SMIP  SMBUS  INTB -> PIRQG
+	 * D31IP_TTIP  THRT   INTC -> PIRQA
+	 * D27IP_ZIP   HDA    INTA -> PIRQG (MSI)
+	 */
+
+	/* Device interrupt pin register (board specific) */
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D31IP,
+			 (INTC << D31IP_TTIP) | (NOINT << D31IP_SIP2) |
+			 (INTB << D31IP_SMIP) | (INTA << D31IP_SIP)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D29IP, (INTA << D29IP_E1P)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D28IP,
+			 (INTA << D28IP_P1IP) | (INTC << D28IP_P3IP) |
+			 (INTB << D28IP_P4IP)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D27IP, (INTA << D27IP_ZIP)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D26IP, (INTA << D26IP_E2P)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D22IP, (NOINT << D22IP_MEI1IP)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D20IP, (INTA << D20IP_XHCI)),
+
+	/* Device interrupt route registers */
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D31IR, /* LPC */
+			 DIR_ROUTE(PIRQG, PIRQC, PIRQB, PIRQA)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D29IR, /* EHCI */
+			 DIR_ROUTE(PIRQD, PIRQD, PIRQD, PIRQD)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D28IR, /* PCIE */
+			 DIR_ROUTE(PIRQA, PIRQB, PIRQC, PIRQD)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D27IR, /* HDA */
+			 DIR_ROUTE(PIRQG, PIRQG, PIRQG, PIRQG)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D22IR, /* ME */
+			 DIR_ROUTE(PIRQA, PIRQA, PIRQA, PIRQA)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D21IR, /* SIO */
+			 DIR_ROUTE(PIRQE, PIRQF, PIRQF, PIRQF)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D20IR, /* XHCI */
+			 DIR_ROUTE(PIRQC, PIRQC, PIRQC, PIRQC)),
+	REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + D23IR, /* SDIO */
+			 DIR_ROUTE(PIRQH, PIRQH, PIRQH, PIRQH)),
+
+	REG_SCRIPT_END
+};
+
+static void pch_enable_lpc(void)
+{
+	/* Lookup device tree in romstage */
+	const struct device *dev;
+	const config_t *config;
+
+	dev = dev_find_slot(0, PCI_DEVFN(PCH_DEV_SLOT_LPC, 0));
+	if (!dev || !dev->chip_info)
+		return;
+	config = dev->chip_info;
+
+	pci_write_config32(PCH_DEV_LPC, LPC_GEN1_DEC, config->gen1_dec);
+	pci_write_config32(PCH_DEV_LPC, LPC_GEN2_DEC, config->gen2_dec);
+	pci_write_config32(PCH_DEV_LPC, LPC_GEN3_DEC, config->gen3_dec);
+	pci_write_config32(PCH_DEV_LPC, LPC_GEN4_DEC, config->gen4_dec);
+}
+
+static void pcie_update_cfg(device_t dev, int reg, u32 mask, u32 or)
+{
+	u32 reg32;
+
+	reg32 = pci_read_config32(dev, reg);
+	reg32 &= mask;
+	reg32 |= or;
+	pci_write_config32(dev, reg, reg32);
+}
+
+void pch_early_init(void)
+{
+	reg_script_run_on_dev(PCH_DEV_LPC, pch_early_init_script);
+	reg_script_run_on_dev(PCH_DEV_LPC, pch_interrupt_init_script);
+
+	pch_enable_lpc();
+
+	enable_smbus();
+
+	/* 8.14 Additional PCI Express Programming Steps, step #1 */
+	pcie_update_cfg(_PCH_DEV(PCIE, 0), 0xf4, ~0x60, 0);
+	pcie_update_cfg(_PCH_DEV(PCIE, 0), 0xf4, ~0x80, 0x80);
+	pcie_update_cfg(_PCH_DEV(PCIE, 0), 0xe2, ~0x30, 0x30);
+}
diff --git a/src/soc/intel/skylake/romstage/power_state.c b/src/soc/intel/skylake/romstage/power_state.c
new file mode 100644
index 0000000..bdb3da9
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/power_state.c
@@ -0,0 +1,132 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/early_variables.h>
+#include <arch/io.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_def.h>
+#include <reg_script.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <soc/iomap.h>
+#include <soc/lpc.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/romstage.h>
+
+static struct chipset_power_state power_state CAR_GLOBAL;
+
+static void migrate_power_state(void)
+{
+	struct chipset_power_state *ps_cbmem;
+	struct chipset_power_state *ps_car;
+
+	ps_car = car_get_var_ptr(&power_state);
+	ps_cbmem = cbmem_add(CBMEM_ID_POWER_STATE, sizeof(*ps_cbmem));
+
+	if (ps_cbmem == NULL) {
+		printk(BIOS_DEBUG, "Not adding power state to cbmem!\n");
+		return;
+	}
+	memcpy(ps_cbmem, ps_car, sizeof(*ps_cbmem));
+}
+CAR_MIGRATE(migrate_power_state);
+
+/* Return 0, 3, or 5 to indicate the previous sleep state. */
+static int prev_sleep_state(struct chipset_power_state *ps)
+{
+	/* Default to S0. */
+	int prev_sleep_state = SLEEP_STATE_S0;
+
+	if (ps->pm1_sts & WAK_STS) {
+		switch ((ps->pm1_cnt & SLP_TYP) >> SLP_TYP_SHIFT) {
+#if CONFIG_HAVE_ACPI_RESUME
+		case SLP_TYP_S3:
+			prev_sleep_state = SLEEP_STATE_S3;
+			break;
+#endif
+		case SLP_TYP_S5:
+			prev_sleep_state = SLEEP_STATE_S5;
+			break;
+		}
+		/* Clear SLP_TYP. */
+		outl(ps->pm1_cnt & ~(SLP_TYP), ACPI_BASE_ADDRESS + PM1_CNT);
+	}
+
+	if (ps->gen_pmcon3 & (PWR_FLR | SUS_PWR_FLR))
+		prev_sleep_state = SLEEP_STATE_S5;
+
+	return prev_sleep_state;
+}
+
+static void dump_power_state(struct chipset_power_state *ps)
+{
+	printk(BIOS_DEBUG, "PM1_STS:   %04x\n", ps->pm1_sts);
+	printk(BIOS_DEBUG, "PM1_EN:    %04x\n", ps->pm1_en);
+	printk(BIOS_DEBUG, "PM1_CNT:   %08x\n", ps->pm1_cnt);
+	printk(BIOS_DEBUG, "TCO_STS:   %04x %04x\n",
+	       ps->tco1_sts, ps->tco2_sts);
+
+	printk(BIOS_DEBUG, "GPE0_STS:  %08x %08x %08x %08x\n",
+	       ps->gpe0_sts[0], ps->gpe0_sts[1],
+	       ps->gpe0_sts[2], ps->gpe0_sts[3]);
+	printk(BIOS_DEBUG, "GPE0_EN:   %08x %08x %08x %08x\n",
+	       ps->gpe0_en[0], ps->gpe0_en[1],
+	       ps->gpe0_en[2], ps->gpe0_en[3]);
+
+	printk(BIOS_DEBUG, "GEN_PMCON: %04x %04x %04x\n",
+	       ps->gen_pmcon1, ps->gen_pmcon2, ps->gen_pmcon3);
+
+	printk(BIOS_DEBUG, "Previous Sleep State: S%d\n",
+	       ps->prev_sleep_state);
+}
+
+/* Fill power state structure from ACPI PM registers */
+struct chipset_power_state *fill_power_state(void)
+{
+	struct chipset_power_state *ps = car_get_var_ptr(&power_state);
+
+	ps->pm1_sts = inw(ACPI_BASE_ADDRESS + PM1_STS);
+	ps->pm1_en = inw(ACPI_BASE_ADDRESS + PM1_EN);
+	ps->pm1_cnt = inl(ACPI_BASE_ADDRESS + PM1_CNT);
+	ps->tco1_sts = inw(ACPI_BASE_ADDRESS + TCO1_STS);
+	ps->tco2_sts = inw(ACPI_BASE_ADDRESS + TCO2_STS);
+	ps->gpe0_sts[0] = inl(ACPI_BASE_ADDRESS + GPE0_STS(0));
+	ps->gpe0_sts[1] = inl(ACPI_BASE_ADDRESS + GPE0_STS(1));
+	ps->gpe0_sts[2] = inl(ACPI_BASE_ADDRESS + GPE0_STS(2));
+	ps->gpe0_sts[3] = inl(ACPI_BASE_ADDRESS + GPE0_STS(3));
+	ps->gpe0_en[0] = inl(ACPI_BASE_ADDRESS + GPE0_EN(0));
+	ps->gpe0_en[1] = inl(ACPI_BASE_ADDRESS + GPE0_EN(1));
+	ps->gpe0_en[2] = inl(ACPI_BASE_ADDRESS + GPE0_EN(2));
+	ps->gpe0_en[3] = inl(ACPI_BASE_ADDRESS + GPE0_EN(3));
+
+	ps->gen_pmcon1 = pci_read_config16(PCH_DEV_LPC, GEN_PMCON_1);
+	ps->gen_pmcon2 = pci_read_config16(PCH_DEV_LPC, GEN_PMCON_2);
+	ps->gen_pmcon3 = pci_read_config16(PCH_DEV_LPC, GEN_PMCON_3);
+
+	ps->prev_sleep_state = prev_sleep_state(ps);
+
+	dump_power_state(ps);
+
+	return ps;
+}
diff --git a/src/soc/intel/skylake/romstage/raminit.c b/src/soc/intel/skylake/romstage/raminit.c
new file mode 100644
index 0000000..52ea491
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/raminit.c
@@ -0,0 +1,138 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/cbfs.h>
+#include <arch/io.h>
+#include <cbfs.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <device/pci_def.h>
+#include <lib.h>
+#include <string.h>
+#if CONFIG_EC_GOOGLE_CHROMEEC
+#include <ec/google/chromeec/ec.h>
+#include <ec/google/chromeec/ec_commands.h>
+#endif
+#include <stage_cache.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+#include <soc/intel/common/mrc_cache.h>
+#include <soc/iomap.h>
+#include <soc/pei_data.h>
+#include <soc/pei_wrapper.h>
+#include <soc/pm.h>
+#include <soc/reset.h>
+#include <soc/romstage.h>
+#include <soc/smm.h>
+#include <soc/systemagent.h>
+
+/*
+ * Find PEI executable in coreboot filesystem and execute it.
+ */
+void raminit(struct pei_data *pei_data)
+{
+	const struct mrc_saved_data *cache;
+	struct memory_info* mem_info;
+	pei_wrapper_entry_t entry;
+	int ret;
+
+	broadwell_fill_pei_data(pei_data);
+
+	if (recovery_mode_enabled()) {
+		/* Recovery mode does not use MRC cache */
+		printk(BIOS_DEBUG, "Recovery mode: not using MRC cache.\n");
+	} else if (!mrc_cache_get_current(&cache)) {
+		/* MRC cache found */
+		pei_data->saved_data_size = cache->size;
+		pei_data->saved_data = &cache->data[0];
+	} else if (pei_data->boot_mode == SLEEP_STATE_S3) {
+		/* Waking from S3 and no cache. */
+		printk(BIOS_DEBUG, "No MRC cache found in S3 resume path.\n");
+		post_code(POST_RESUME_FAILURE);
+		reset_system();
+	} else {
+		printk(BIOS_DEBUG, "No MRC cache found.\n");
+#if CONFIG_EC_GOOGLE_CHROMEEC
+		if (pei_data->boot_mode == SLEEP_STATE_S0) {
+			/* Ensure EC is running RO firmware. */
+			google_chromeec_check_ec_image(EC_IMAGE_RO);
+		}
+#endif
+	}
+
+	/*
+	 * Do not use saved pei data.  Can be set by mainboard romstage
+	 * to force a full train of memory on every boot.
+	 */
+	if (pei_data->disable_saved_data) {
+		printk(BIOS_DEBUG, "Disabling PEI saved data by request\n");
+		pei_data->saved_data = NULL;
+		pei_data->saved_data_size = 0;
+	}
+
+	/* Determine if mrc.bin is in the cbfs. */
+	entry = (pei_wrapper_entry_t)cbfs_get_file_content(
+		CBFS_DEFAULT_MEDIA, "mrc.bin", CBFS_TYPE_MRC, NULL);
+	if (entry == NULL) {
+		printk(BIOS_DEBUG, "Couldn't find mrc.bin\n");
+		return;
+	}
+
+	printk(BIOS_DEBUG, "Starting Memory Reference Code\n");
+
+	ret = entry(pei_data);
+	if (ret < 0)
+		die("pei_data version mismatch\n");
+
+	/* Print the MRC version after executing the UEFI PEI stage. */
+	u32 version = MCHBAR32(MCHBAR_PEI_VERSION);
+	printk(BIOS_DEBUG, "MRC Version %d.%d.%d Build %d\n",
+		version >> 24 , (version >> 16) & 0xff,
+		(version >> 8) & 0xff, version & 0xff);
+
+	report_memory_config();
+
+	/* Basic memory sanity test */
+	quick_ram_check();
+
+	if (pei_data->boot_mode != SLEEP_STATE_S3) {
+		cbmem_initialize_empty();
+		stage_cache_create_empty();
+	} else {
+		stage_cache_recover();
+		if (cbmem_initialize()) {
+#if CONFIG_HAVE_ACPI_RESUME
+			printk(BIOS_DEBUG, "Failed to recover CBMEM in S3 resume.\n");
+			/* Failed S3 resume, reset to come up cleanly */
+			reset_system();
+#endif
+		}
+	}
+
+	printk(BIOS_DEBUG, "MRC data at %p %d bytes\n", pei_data->data_to_save,
+	       pei_data->data_to_save_size);
+
+	if (pei_data->data_to_save != NULL && pei_data->data_to_save_size > 0)
+		mrc_cache_stash_data(pei_data->data_to_save,
+				     pei_data->data_to_save_size);
+
+	printk(BIOS_DEBUG, "create cbmem for dimm information\n");
+	mem_info = cbmem_add(CBMEM_ID_MEMINFO, sizeof(struct memory_info));
+	memcpy(mem_info, &pei_data->meminfo, sizeof(struct memory_info));
+
+}
diff --git a/src/soc/intel/skylake/romstage/report_platform.c b/src/soc/intel/skylake/romstage/report_platform.c
new file mode 100644
index 0000000..713b3e7
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/report_platform.c
@@ -0,0 +1,243 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/cpu.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/pci.h>
+#include <string.h>
+#include <cpu/x86/msr.h>
+#include <soc/cpu.h>
+#include <soc/pch.h>
+#include <soc/pci_devs.h>
+#include <soc/romstage.h>
+#include <soc/systemagent.h>
+
+static struct {
+	u32 cpuid;
+	const char *name;
+} cpu_table[] = {
+	{ CPUID_HASWELL_A0,     "Haswell A0" },
+	{ CPUID_HASWELL_B0,     "Haswell B0" },
+	{ CPUID_HASWELL_C0,     "Haswell C0" },
+	{ CPUID_HASWELL_ULT_B0, "Haswell ULT B0" },
+	{ CPUID_HASWELL_ULT,    "Haswell ULT C0 or D0" },
+	{ CPUID_HASWELL_HALO,   "Haswell Perf Halo" },
+	{ CPUID_BROADWELL_C0,   "Broadwell C0" },
+	{ CPUID_BROADWELL_D0,   "Broadwell D0" },
+	{ CPUID_BROADWELL_E0,   "Broadwell E0 or F0" },
+};
+
+static struct {
+	u8 revid;
+	const char *name;
+} mch_rev_table[] = {
+	{ MCH_BROADWELL_REV_D0, "Broadwell D0" },
+	{ MCH_BROADWELL_REV_E0, "Broadwell E0" },
+	{ MCH_BROADWELL_REV_F0, "Broadwell F0" },
+};
+
+static struct {
+	u16 lpcid;
+	const char *name;
+} pch_table[] = {
+	{ PCH_LPT_LP_SAMPLE,     "LynxPoint LP Sample" },
+	{ PCH_LPT_LP_PREMIUM,    "LynxPoint LP Premium" },
+	{ PCH_LPT_LP_MAINSTREAM, "LynxPoint LP Mainstream" },
+	{ PCH_LPT_LP_VALUE,      "LynxPoint LP Value" },
+	{ PCH_WPT_HSW_U_SAMPLE,  "Haswell U Sample" },
+	{ PCH_WPT_BDW_U_SAMPLE,  "Broadwell U Sample" },
+	{ PCH_WPT_BDW_U_PREMIUM, "Broadwell U Premium" },
+	{ PCH_WPT_BDW_U_BASE,    "Broadwell U Base" },
+	{ PCH_WPT_BDW_Y_SAMPLE,  "Broadwell Y Sample" },
+	{ PCH_WPT_BDW_Y_PREMIUM, "Broadwell Y Premium" },
+	{ PCH_WPT_BDW_Y_BASE,    "Broadwell Y Base" },
+	{ PCH_WPT_BDW_H,         "Broadwell H" },
+};
+
+static struct {
+	u16 igdid;
+	const char *name;
+} igd_table[] = {
+	{ IGD_HASWELL_ULT_GT1,     "Haswell ULT GT1" },
+	{ IGD_HASWELL_ULT_GT2,     "Haswell ULT GT2" },
+	{ IGD_HASWELL_ULT_GT3,     "Haswell ULT GT3" },
+	{ IGD_BROADWELL_U_GT1,     "Broadwell U GT1" },
+	{ IGD_BROADWELL_U_GT2,     "Broadwell U GT2" },
+	{ IGD_BROADWELL_U_GT3_15W, "Broadwell U GT3 (15W)" },
+	{ IGD_BROADWELL_U_GT3_28W, "Broadwell U GT3 (28W)" },
+	{ IGD_BROADWELL_Y_GT2,     "Broadwell Y GT2" },
+	{ IGD_BROADWELL_H_GT2,     "Broadwell U GT2" },
+	{ IGD_BROADWELL_H_GT3,     "Broadwell U GT3" },
+};
+
+static void report_cpu_info(void)
+{
+	struct cpuid_result cpuidr;
+	u32 i, index;
+	char cpu_string[50], *cpu_name = cpu_string; /* 48 bytes are reported */
+	int vt, txt, aes;
+	msr_t microcode_ver;
+	const char *mode[] = {"NOT ", ""};
+	const char *cpu_type = "Unknown";
+
+	index = 0x80000000;
+	cpuidr = cpuid(index);
+	if (cpuidr.eax < 0x80000004) {
+		strcpy(cpu_string, "Platform info not available");
+	} else {
+		u32 *p = (u32*) cpu_string;
+		for (i = 2; i <= 4 ; i++) {
+			cpuidr = cpuid(index + i);
+			*p++ = cpuidr.eax;
+			*p++ = cpuidr.ebx;
+			*p++ = cpuidr.ecx;
+			*p++ = cpuidr.edx;
+		}
+	}
+	/* Skip leading spaces in CPU name string */
+	while (cpu_name[0] == ' ')
+		cpu_name++;
+
+	microcode_ver.lo = 0;
+	microcode_ver.hi = 0;
+	wrmsr(0x8B, microcode_ver);
+	cpuidr = cpuid(1);
+	microcode_ver = rdmsr(0x8b);
+
+	/* Look for string to match the name */
+	for (i = 0; i < ARRAY_SIZE(cpu_table); i++) {
+		if (cpu_table[i].cpuid == cpuidr.eax) {
+			cpu_type = cpu_table[i].name;
+			break;
+		}
+	}
+
+	printk(BIOS_DEBUG, "CPU: %s\n", cpu_name);
+	printk(BIOS_DEBUG, "CPU: ID %x, %s, ucode: %08x\n",
+	       cpuidr.eax, cpu_type, microcode_ver.hi);
+
+	aes = (cpuidr.ecx & (1 << 25)) ? 1 : 0;
+	txt = (cpuidr.ecx & (1 << 6)) ? 1 : 0;
+	vt = (cpuidr.ecx & (1 << 5)) ? 1 : 0;
+	printk(BIOS_DEBUG, "CPU: AES %ssupported, TXT %ssupported, "
+	       "VT %ssupported\n", mode[aes], mode[txt], mode[vt]);
+}
+
+static void report_mch_info(void)
+{
+	int i;
+	u16 mch_device = pci_read_config16(SA_DEV_ROOT, PCI_DEVICE_ID);
+	u8 mch_revision = pci_read_config8(SA_DEV_ROOT, PCI_REVISION_ID);
+	const char *mch_type = "Unknown";
+
+	/* Look for string to match the revision for Broadwell U/Y */
+	if (mch_device == MCH_BROADWELL_ID_U_Y) {
+		for (i = 0; i < ARRAY_SIZE(mch_rev_table); i++) {
+			if (mch_rev_table[i].revid == mch_revision) {
+				mch_type = mch_rev_table[i].name;
+				break;
+			}
+		}
+	}
+
+	printk(BIOS_DEBUG, "MCH: device id %04x (rev %02x) is %s\n",
+	       mch_device, mch_revision, mch_type);
+}
+
+static void report_pch_info(void)
+{
+	int i;
+	u16 lpcid = pch_type();
+	const char *pch_type = "Unknown";
+
+	for (i = 0; i < ARRAY_SIZE(pch_table); i++) {
+		if (pch_table[i].lpcid == lpcid) {
+			pch_type = pch_table[i].name;
+			break;
+		}
+	}
+	printk(BIOS_DEBUG, "PCH: device id %04x (rev %02x) is %s\n",
+	       lpcid, pch_revision(), pch_type);
+}
+
+static void report_igd_info(void)
+{
+	int i;
+	u16 igdid = pci_read_config16(SA_DEV_IGD, PCI_DEVICE_ID);
+	const char *igd_type = "Unknown";
+
+	for (i = 0; i < ARRAY_SIZE(igd_table); i++) {
+		if (igd_table[i].igdid == igdid) {
+			igd_type = igd_table[i].name;
+			break;
+		}
+	}
+	printk(BIOS_DEBUG, "IGD: device id %04x (rev %02x) is %s\n",
+	       igdid, pci_read_config8(SA_DEV_IGD, PCI_REVISION_ID), igd_type);
+}
+
+void report_platform_info(void)
+{
+	report_cpu_info();
+	report_mch_info();
+	report_pch_info();
+	report_igd_info();
+}
+
+/*
+ * Dump in the log memory controller configuration as read from the memory
+ * controller registers.
+ */
+void report_memory_config(void)
+{
+	u32 addr_decoder_common, addr_decode_ch[2];
+	int i;
+
+	addr_decoder_common = MCHBAR32(0x5000);
+	addr_decode_ch[0] = MCHBAR32(0x5004);
+	addr_decode_ch[1] = MCHBAR32(0x5008);
+
+	printk(BIOS_DEBUG, "memcfg DDR3 clock %d MHz\n",
+	       (MCHBAR32(0x5e04) * 13333 * 2 + 50)/100);
+	printk(BIOS_DEBUG, "memcfg channel assignment: A: %d, B % d, C % d\n",
+	       addr_decoder_common & 3,
+	       (addr_decoder_common >> 2) & 3,
+	       (addr_decoder_common >> 4) & 3);
+
+	for (i = 0; i < ARRAY_SIZE(addr_decode_ch); i++) {
+		u32 ch_conf = addr_decode_ch[i];
+		printk(BIOS_DEBUG, "memcfg channel[%d] config (%8.8x):\n",
+		       i, ch_conf);
+		printk(BIOS_DEBUG, "   enhanced interleave mode %s\n",
+		       ((ch_conf >> 22) & 1) ? "on" : "off");
+		printk(BIOS_DEBUG, "   rank interleave %s\n",
+		       ((ch_conf >> 21) & 1) ? "on" : "off");
+		printk(BIOS_DEBUG, "   DIMMA %d MB width %s %s rank%s\n",
+		       ((ch_conf >> 0) & 0xff) * 256,
+		       ((ch_conf >> 19) & 1) ? "x16" : "x8 or x32",
+		       ((ch_conf >> 17) & 1) ? "dual" : "single",
+		       ((ch_conf >> 16) & 1) ? "" : ", selected");
+		printk(BIOS_DEBUG, "   DIMMB %d MB width %s %s rank%s\n",
+		       ((ch_conf >> 8) & 0xff) * 256,
+		       ((ch_conf >> 19) & 1) ? "x16" : "x8 or x32",
+		       ((ch_conf >> 18) & 1) ? "dual" : "single",
+		       ((ch_conf >> 16) & 1) ? ", selected" : "");
+	}
+}
diff --git a/src/soc/intel/skylake/romstage/romstage.c b/src/soc/intel/skylake/romstage/romstage.c
new file mode 100644
index 0000000..c026004
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/romstage.c
@@ -0,0 +1,164 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+#include <arch/cpu.h>
+#include <arch/io.h>
+#include <arch/cbfs.h>
+#include <arch/stages.h>
+#include <arch/early_variables.h>
+#include <console/console.h>
+#include <cbfs.h>
+#include <cbmem.h>
+#include <cpu/x86/mtrr.h>
+#include <elog.h>
+#include <romstage_handoff.h>
+#include <stage_cache.h>
+#include <timestamp.h>
+#include <soc/me.h>
+#include <soc/pei_data.h>
+#include <soc/pm.h>
+#include <soc/reset.h>
+#include <soc/romstage.h>
+#include <soc/spi.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+/* Entry from cache-as-ram.inc. */
+void * asmlinkage romstage_main(unsigned long bist,
+                                uint32_t tsc_low, uint32_t tsc_hi)
+{
+	struct romstage_params rp = {
+		.bist = bist,
+		.pei_data = NULL,
+	};
+
+	post_code(0x30);
+
+	/* Save initial timestamp from bootblock. */
+	timestamp_init((((uint64_t)tsc_hi) << 32) | (uint64_t)tsc_low);
+
+	/* Save romstage begin */
+	timestamp_add_now(TS_START_ROMSTAGE);
+
+	/* System Agent Early Initialization */
+	systemagent_early_init();
+
+	/* PCH Early Initialization */
+	pch_early_init();
+
+	/* Call into mainboard pre console init. Needed to enable serial port
+	   on IT8772 */
+	mainboard_pre_console_init();
+
+	/* Start console drivers */
+	console_init();
+
+	/* Get power state */
+	rp.power_state = fill_power_state();
+
+	/* Print useful platform information */
+	report_platform_info();
+
+	/* Set CPU frequency to maximum */
+	set_max_freq();
+
+	/* Call into mainboard. */
+	mainboard_romstage_entry(&rp);
+
+#if CONFIG_CHROMEOS
+	save_chromeos_gpios();
+#endif
+
+	return setup_stack_and_mttrs();
+}
+
+static inline void chromeos_init(int prev_sleep_state)
+{
+#if CONFIG_CHROMEOS
+	/* Normalize the sleep state to what init_chromeos() wants for S3: 2 */
+	init_chromeos(prev_sleep_state == SLEEP_STATE_S3 ? 2 : 0);
+#endif
+}
+
+/* Entry from the mainboard. */
+void romstage_common(struct romstage_params *params)
+{
+	struct romstage_handoff *handoff;
+
+	post_code(0x32);
+
+	timestamp_add_now(TS_BEFORE_INITRAM);
+
+	params->pei_data->boot_mode = params->power_state->prev_sleep_state;
+
+#if CONFIG_ELOG_BOOT_COUNT
+	if (params->power_state->prev_sleep_state != SLEEP_STATE_S3)
+		boot_count_increment();
+#endif
+
+	/* Print ME state before MRC */
+	intel_me_status();
+
+	/* Save ME HSIO version */
+	intel_me_hsio_version(&params->power_state->hsio_version,
+			      &params->power_state->hsio_checksum);
+
+	/* Initialize RAM */
+	raminit(params->pei_data);
+
+	timestamp_add_now(TS_AFTER_INITRAM);
+
+	handoff = romstage_handoff_find_or_add();
+	if (handoff != NULL)
+		handoff->s3_resume = (params->power_state->prev_sleep_state ==
+				      SLEEP_STATE_S3);
+	else
+		printk(BIOS_DEBUG, "Romstage handoff structure not added!\n");
+
+	chromeos_init(params->power_state->prev_sleep_state);
+}
+
+void asmlinkage romstage_after_car(void)
+{
+	timestamp_add_now(TS_END_ROMSTAGE);
+
+	/* Load the ramstage. */
+	copy_and_run();
+	while (1);
+}
+
+void ramstage_cache_invalid(void)
+{
+#if CONFIG_RESET_ON_INVALID_RAMSTAGE_CACHE
+	/* Perform cold reset on invalid ramstage cache. */
+	reset_system();
+#endif
+}
+
+#if CONFIG_CHROMEOS
+int vboot_get_sw_write_protect(void)
+{
+	u8 status;
+	/* Return unprotected status if status read fails. */
+	return (early_spi_read_wpsr(&status) ? 0 : !!(status & 0x80));
+}
+
+#endif
+void __attribute__((weak)) mainboard_pre_console_init(void) {}
diff --git a/src/soc/intel/skylake/romstage/smbus.c b/src/soc/intel/skylake/romstage/smbus.c
new file mode 100644
index 0000000..f09459b
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/smbus.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/pci_ids.h>
+#include <device/pci_def.h>
+#include <reg_script.h>
+#include <soc/iomap.h>
+#include <soc/pci_devs.h>
+#include <soc/smbus.h>
+#include <soc/romstage.h>
+
+static const struct reg_script smbus_init_script[] = {
+	/* Set SMBUS I/O base address */
+	REG_PCI_WRITE32(SMB_BASE, SMBUS_BASE_ADDRESS | 1),
+	/* Set SMBUS enable */
+	REG_PCI_WRITE8(HOSTC, HST_EN),
+	/* Enable I/O access */
+	REG_PCI_WRITE16(PCI_COMMAND, PCI_COMMAND_IO),
+	/* Disable interrupts */
+	REG_IO_WRITE8(SMBUS_BASE_ADDRESS + SMBHSTCTL, 0),
+	/* Clear errors */
+	REG_IO_WRITE8(SMBUS_BASE_ADDRESS + SMBHSTSTAT, 0xff),
+	/* Indicate the end of this array by REG_SCRIPT_END */
+	REG_SCRIPT_END,
+};
+
+void enable_smbus(void)
+{
+	reg_script_run_on_dev(PCH_DEV_SMBUS, smbus_init_script);
+}
+
+int smbus_read_byte(unsigned device, unsigned address)
+{
+	return do_smbus_read_byte(SMBUS_BASE_ADDRESS, device, address);
+}
diff --git a/src/soc/intel/skylake/romstage/spi.c b/src/soc/intel/skylake/romstage/spi.c
new file mode 100644
index 0000000..a2c5d33
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/spi.c
@@ -0,0 +1,149 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/pci_ids.h>
+#include <device/pci_def.h>
+#include <delay.h>
+#include <soc/spi.h>
+#include <soc/rcba.h>
+#include <soc/romstage.h>
+
+#define SPI_DELAY 10     /* 10us */
+#define SPI_RETRY 200000 /* 2s */
+
+static int early_spi_read_block(u32 offset, u8 size, u8 *buffer)
+{
+	u32 *ptr32 = (u32*)buffer;
+	u32 i;
+
+	/* Clear status bits */
+	SPIBAR16(SPIBAR_HSFS) |= SPIBAR_HSFS_AEL | SPIBAR_HSFS_FCERR |
+		SPIBAR_HSFS_FDONE;
+
+	if (SPIBAR16(SPIBAR_HSFS) & SPIBAR_HSFS_SCIP) {
+		printk(BIOS_ERR, "SPI ERROR: transaction in progress\n");
+		return -1;
+	}
+
+	/* Set flash address */
+	SPIBAR32(SPIBAR_FADDR) = offset;
+
+	/* Setup read transaction */
+	SPIBAR16(SPIBAR_HSFC) = SPIBAR_HSFC_BYTE_COUNT(size) |
+		SPIBAR_HSFC_CYCLE_READ;
+
+	/* Start transaction */
+	SPIBAR16(SPIBAR_HSFC) |= SPIBAR_HSFC_GO;
+
+	/* Wait for completion */
+	for (i = 0; i < SPI_RETRY; i++) {
+		if (SPIBAR16(SPIBAR_HSFS) & SPIBAR_HSFS_SCIP) {
+			/* Cycle in progress, wait 1ms */
+			udelay(SPI_DELAY);
+			continue;
+		}
+
+		if (SPIBAR16(SPIBAR_HSFS) & SPIBAR_HSFS_AEL) {
+			printk(BIOS_ERR, "SPI ERROR: Access Error\n");
+			return -1;
+
+		}
+
+		if (SPIBAR16(SPIBAR_HSFS) & SPIBAR_HSFS_FCERR) {
+			printk(BIOS_ERR, "SPI ERROR: Flash Cycle Error\n");
+			return -1;
+		}
+		break;
+	}
+
+	if (i >= SPI_RETRY) {
+		printk(BIOS_ERR, "SPI ERROR: Timeout\n");
+		return -1;
+	}
+
+	/* Read the data */
+	for (i = 0; i < size; i+=sizeof(u32)) {
+		if (size-i >= 4) {
+			/* reading >= dword */
+			*ptr32++ = SPIBAR32(SPIBAR_FDATA(i/sizeof(u32)));
+		} else {
+			/* reading < dword */
+			u8 j, *ptr8 = (u8*)ptr32;
+			u32 temp = SPIBAR32(SPIBAR_FDATA(i/sizeof(u32)));
+			for (j = 0; j < (size-i); j++) {
+				*ptr8++ = temp & 0xff;
+				temp >>= 8;
+			}
+		}
+	}
+
+	return size;
+}
+
+int early_spi_read(u32 offset, u32 size, u8 *buffer)
+{
+	u32 current = 0;
+
+	while (size > 0) {
+		u8 count = (size < 64) ? size : 64;
+		if (early_spi_read_block(offset + current, count,
+					 buffer + current) < 0)
+			return -1;
+		size -= count;
+		current += count;
+	}
+
+	return 0;
+}
+
+/*
+ * Minimal set of commands to read WPSR from SPI.
+ * Don't use this code outside romstage -- it trashes the opmenu table.
+ * Returns 0 on success, < 0 on failure.
+ */
+int early_spi_read_wpsr(u8 *sr)
+{
+	int retry;
+
+	/* No address associated with rdsr */
+	SPIBAR8(SPIBAR_OPTYPE) = 0x0;
+	/* Setup opcode[0] = read wpsr */
+	SPIBAR8(SPIBAR_OPMENU_LOWER) = 0x5;
+
+	/* Start transaction */
+	SPIBAR16(SPIBAR_SSFC) = SPIBAR_SSFC_DATA | SPIBAR_SSFC_GO;
+
+	/* Wait for error / complete status */
+	for (retry = SPI_RETRY; retry; retry--) {
+		u16 status = SPIBAR16(SPIBAR_SSFS);
+		if (status & SPIBAR_SSFS_ERROR) {
+			printk(BIOS_ERR, "SPI rdsr failed\n");
+			return -1;
+		} else if (status & SPIBAR_SSFS_DONE) {
+			break;
+		}
+
+		udelay(SPI_DELAY);
+	}
+
+	*sr = SPIBAR32(SPIBAR_FDATA(0)) & 0xff;
+	return 0;
+}
diff --git a/src/soc/intel/skylake/romstage/stack.c b/src/soc/intel/skylake/romstage/stack.c
new file mode 100644
index 0000000..a81eb07
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/stack.c
@@ -0,0 +1,124 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+#include <arch/cpu.h>
+#include <arch/early_variables.h>
+#include <console/console.h>
+#include <cbmem.h>
+#include <cpu/x86/mtrr.h>
+#include <soc/romstage.h>
+
+static inline uint32_t *stack_push(u32 *stack, u32 value)
+{
+	stack = &stack[-1];
+	*stack = value;
+	return stack;
+}
+
+/* Romstage needs quite a bit of stack for decompressing images since the lzma
+ * lib keeps its state on the stack during romstage. */
+static unsigned long choose_top_of_stack(void)
+{
+	unsigned long stack_top;
+	const unsigned long romstage_ram_stack_size = 0x5000;
+
+	/* cbmem_add() does a find() before add(). */
+	stack_top = (unsigned long)cbmem_add(CBMEM_ID_ROMSTAGE_RAM_STACK,
+	                                     romstage_ram_stack_size);
+	stack_top += romstage_ram_stack_size;
+	return stack_top;
+}
+
+/* setup_stack_and_mttrs() determines the stack to use after
+ * cache-as-ram is torn down as well as the MTRR settings to use. */
+void *setup_stack_and_mttrs(void)
+{
+	unsigned long top_of_stack;
+	int num_mtrrs;
+	uint32_t *slot;
+	uint32_t mtrr_mask_upper;
+	uint32_t top_of_ram;
+
+	/* Top of stack needs to be aligned to a 4-byte boundary. */
+	top_of_stack = choose_top_of_stack() & ~3;
+	slot = (void *)top_of_stack;
+	num_mtrrs = 0;
+
+	/* The upper bits of the MTRR mask need to set according to the number
+	 * of physical address bits. */
+	mtrr_mask_upper = (1 << ((cpuid_eax(0x80000008) & 0xff) - 32)) - 1;
+
+	/* The order for each MTTR is value then base with upper 32-bits of
+	 * each value coming before the lower 32-bits. The reasoning for
+	 * this ordering is to create a stack layout like the following:
+	 *   +0: Number of MTRRs
+	 *   +4: MTTR base 0 31:0
+	 *   +8: MTTR base 0 63:32
+	 *  +12: MTTR mask 0 31:0
+	 *  +16: MTTR mask 0 63:32
+	 *  +20: MTTR base 1 31:0
+	 *  +24: MTTR base 1 63:32
+	 *  +28: MTTR mask 1 31:0
+	 *  +32: MTTR mask 1 63:32
+	 */
+
+	/* Cache the ROM as WP just below 4GiB. */
+	slot = stack_push(slot, mtrr_mask_upper); /* upper mask */
+	slot = stack_push(slot, ~(CONFIG_ROM_SIZE - 1) | MTRRphysMaskValid);
+	slot = stack_push(slot, 0); /* upper base */
+	slot = stack_push(slot, ~(CONFIG_ROM_SIZE - 1) | MTRR_TYPE_WRPROT);
+	num_mtrrs++;
+
+	/* Cache RAM as WB from 0 -> CONFIG_RAMTOP. */
+	slot = stack_push(slot, mtrr_mask_upper); /* upper mask */
+	slot = stack_push(slot, ~(CONFIG_RAMTOP - 1) | MTRRphysMaskValid);
+	slot = stack_push(slot, 0); /* upper base */
+	slot = stack_push(slot, 0 | MTRR_TYPE_WRBACK);
+	num_mtrrs++;
+
+	top_of_ram = (uint32_t)cbmem_top();
+	/* Cache 8MiB below the top of ram. The top of ram under 4GiB is the
+	 * start of the TSEG region. It is required to be 8MiB aligned. Set
+	 * this area as cacheable so it can be used later for ramstage before
+	 * setting up the entire RAM as cacheable. */
+	slot = stack_push(slot, mtrr_mask_upper); /* upper mask */
+	slot = stack_push(slot, ~((8 << 20) - 1) | MTRRphysMaskValid);
+	slot = stack_push(slot, 0); /* upper base */
+	slot = stack_push(slot, (top_of_ram - (8 << 20)) | MTRR_TYPE_WRBACK);
+	num_mtrrs++;
+
+	/* Cache 8MiB at the top of ram. Top of ram is where the TSEG
+	 * region resides. However, it is not restricted to SMM mode until
+	 * SMM has been relocated. By setting the region to cacheable it
+	 * provides faster access when relocating the SMM handler as well
+	 * as using the TSEG region for other purposes. */
+	slot = stack_push(slot, mtrr_mask_upper); /* upper mask */
+	slot = stack_push(slot, ~((8 << 20) - 1) | MTRRphysMaskValid);
+	slot = stack_push(slot, 0); /* upper base */
+	slot = stack_push(slot, top_of_ram | MTRR_TYPE_WRBACK);
+	num_mtrrs++;
+
+	/* Save the number of MTTRs to setup. Return the stack location
+	 * pointing to the number of MTRRs. */
+	slot = stack_push(slot, num_mtrrs);
+
+	return slot;
+}
diff --git a/src/soc/intel/skylake/romstage/systemagent.c b/src/soc/intel/skylake/romstage/systemagent.c
new file mode 100644
index 0000000..7a43917
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/systemagent.c
@@ -0,0 +1,55 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2010 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdlib.h>
+#include <arch/io.h>
+#include <device/pci_def.h>
+#include <reg_script.h>
+#include <soc/iomap.h>
+#include <soc/pci_devs.h>
+#include <soc/romstage.h>
+#include <soc/systemagent.h>
+
+static const struct reg_script systemagent_early_init_script[] = {
+	REG_PCI_WRITE32(MCHBAR, MCH_BASE_ADDRESS | 1),
+	REG_PCI_WRITE32(DMIBAR, DMI_BASE_ADDRESS | 1),
+	REG_PCI_WRITE32(EPBAR, EP_BASE_ADDRESS | 1),
+	REG_MMIO_WRITE32(MCH_BASE_ADDRESS + EDRAMBAR, EDRAM_BASE_ADDRESS | 1),
+	REG_MMIO_WRITE32(MCH_BASE_ADDRESS + GDXCBAR, GDXC_BASE_ADDRESS | 1),
+
+	/* Set C0000-FFFFF to access RAM on both reads and writes */
+	REG_PCI_WRITE8(PAM0, 0x30),
+	REG_PCI_WRITE8(PAM1, 0x33),
+	REG_PCI_WRITE8(PAM2, 0x33),
+	REG_PCI_WRITE8(PAM3, 0x33),
+	REG_PCI_WRITE8(PAM4, 0x33),
+	REG_PCI_WRITE8(PAM5, 0x33),
+	REG_PCI_WRITE8(PAM6, 0x33),
+
+	/* Device enable: IGD and Mini-HD */
+	REG_PCI_WRITE32(DEVEN, DEVEN_D0EN | DEVEN_D2EN | DEVEN_D3EN),
+
+	REG_SCRIPT_END
+};
+
+void systemagent_early_init(void)
+{
+	reg_script_run_on_dev(SA_DEV_ROOT, systemagent_early_init_script);
+}
diff --git a/src/soc/intel/skylake/romstage/uart.c b/src/soc/intel/skylake/romstage/uart.c
new file mode 100644
index 0000000..96c9634
--- /dev/null
+++ b/src/soc/intel/skylake/romstage/uart.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/early_variables.h>
+#include <arch/io.h>
+#include <delay.h>
+#include <device/pci_def.h>
+#include <reg_script.h>
+#include <stdint.h>
+#include <uart8250.h>
+#include <soc/iobp.h>
+#include <soc/serialio.h>
+
+const struct reg_script uart_init[] = {
+	/* Set MMIO BAR */
+	REG_PCI_WRITE32(PCI_BASE_ADDRESS_0, CONFIG_TTYS0_BASE),
+	/* Enable Memory access and Bus Master */
+	REG_PCI_OR32(PCI_COMMAND, PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER),
+	/* Initialize LTR */
+	REG_MMIO_RMW32(CONFIG_TTYS0_BASE + SIO_REG_PPR_GEN,
+		      ~SIO_REG_PPR_GEN_LTR_MODE_MASK, 0),
+	REG_MMIO_RMW32(CONFIG_TTYS0_BASE + SIO_REG_PPR_RST,
+		      ~(SIO_REG_PPR_RST_ASSERT), 0),
+	/* Take UART out of reset */
+	REG_MMIO_OR32(CONFIG_TTYS0_BASE + SIO_REG_PPR_RST,
+		     SIO_REG_PPR_RST_ASSERT),
+	/* Set M and N divisor inputs and enable clock */
+	REG_MMIO_WRITE32(CONFIG_TTYS0_BASE + SIO_REG_PPR_CLOCK,
+			SIO_REG_PPR_CLOCK_EN | SIO_REG_PPR_CLOCK_UPDATE |
+			(SIO_REG_PPR_CLOCK_N_DIV << 16) |
+			(SIO_REG_PPR_CLOCK_M_DIV << 1)),
+	REG_SCRIPT_END
+};
+
+void pch_uart_init(void)
+{
+	/* Program IOBP CB000154h[12,9:8,4:0] = 1001100011111b */
+	u32 gpiodf = 0x131f;
+	device_t dev;
+
+	/* Put UART in byte access mode for 16550 compatibility */
+	switch (CONFIG_INTEL_PCH_UART_CONSOLE_NUMBER) {
+	case 0:
+		dev = PCH_DEV_UART0;
+		gpiodf |= SIO_IOBP_GPIODF_UART0_BYTE_ACCESS;
+		break;
+	case 1:
+		dev = PCH_DEV_UART1;
+		gpiodf |= SIO_IOBP_GPIODF_UART1_BYTE_ACCESS;
+		break;
+	default:
+		return;
+	}
+
+	/* Program IOBP GPIODF */
+	pch_iobp_update(SIO_IOBP_GPIODF, ~gpiodf, gpiodf);
+
+	/* Program IOBP CB000180h[5:0] = 111111b (undefined register) */
+	pch_iobp_update(0xcb000180, ~0x0000003f, 0x0000003f);
+
+	/* Initialize chipset uart interface */
+	reg_script_run_on_dev(dev, uart_init);
+
+	/*
+	 * Perform standard UART initialization
+	 * Divisor 1 is 115200 BAUD
+	 */
+	uart8250_mem_init(CONFIG_TTYS0_BASE, 1);
+}
diff --git a/src/soc/intel/skylake/sata.c b/src/soc/intel/skylake/sata.c
new file mode 100644
index 0000000..d3cf525
--- /dev/null
+++ b/src/soc/intel/skylake/sata.c
@@ -0,0 +1,264 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <delay.h>
+#include <soc/iobp.h>
+#include <soc/ramstage.h>
+#include <soc/rcba.h>
+#include <soc/sata.h>
+#include <soc/intel/broadwell/chip.h>
+
+static inline u32 sir_read(struct device *dev, int idx)
+{
+	pci_write_config32(dev, SATA_SIRI, idx);
+	return pci_read_config32(dev, SATA_SIRD);
+}
+
+static inline void sir_write(struct device *dev, int idx, u32 value)
+{
+	pci_write_config32(dev, SATA_SIRI, idx);
+	pci_write_config32(dev, SATA_SIRD, value);
+}
+
+static void sata_init(struct device *dev)
+{
+	config_t *config = dev->chip_info;
+	u32 reg32;
+	u8 *abar;
+	u16 reg16;
+	int port;
+
+	printk(BIOS_DEBUG, "SATA: Initializing controller in AHCI mode.\n");
+
+	/* Enable BARs */
+	pci_write_config16(dev, PCI_COMMAND, 0x0007);
+
+	/* Set Interrupt Line */
+	/* Interrupt Pin is set by D31IP.PIP */
+	pci_write_config8(dev, PCI_INTERRUPT_LINE, 0x0a);
+
+	/* Set timings */
+	pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE);
+	pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE);
+
+	/* for AHCI, Port Enable is managed in memory mapped space */
+	reg16 = pci_read_config16(dev, 0x92);
+	reg16 &= ~0xf;
+	reg16 |= 0x8000 | config->sata_port_map;
+	pci_write_config16(dev, 0x92, reg16);
+	udelay(2);
+
+	/* Setup register 98h */
+	reg32 = pci_read_config32(dev, 0x98);
+	reg32 &= ~((1 << 31) | (1 << 30));
+	reg32 |= 1 << 23;
+	reg32 |= 1 << 24; /* Enable MPHY Dynamic Power Gating */
+	pci_write_config32(dev, 0x98, reg32);
+
+	/* Setup register 9Ch */
+	reg16 = 0;           /* Disable alternate ID */
+	reg16 = 1 << 5;      /* BWG step 12 */
+	pci_write_config16(dev, 0x9c, reg16);
+
+	/* SATA Initialization register */
+	reg32 = 0x183;
+	reg32 |= (config->sata_port_map ^ 0xf) << 24;
+	reg32 |= (config->sata_devslp_mux & 1) << 15;
+	pci_write_config32(dev, 0x94, reg32);
+
+	/* Initialize AHCI memory-mapped space */
+	abar = (u8 *)(pci_read_config32(dev, PCI_BASE_ADDRESS_5));
+	printk(BIOS_DEBUG, "ABAR: %p\n", abar);
+
+	/* CAP (HBA Capabilities) : enable power management */
+	reg32 = read32(abar + 0x00);
+	reg32 |= 0x0c006000;  /* set PSC+SSC+SALP+SSS */
+	reg32 &= ~0x00020060; /* clear SXS+EMS+PMS */
+	reg32 |= (1 << 18);   /* SAM: SATA AHCI MODE ONLY */
+	write32(abar + 0x00, reg32);
+
+	/* PI (Ports implemented) */
+	write32(abar + 0x0c, config->sata_port_map);
+	(void) read32(abar + 0x0c); /* Read back 1 */
+	(void) read32(abar + 0x0c); /* Read back 2 */
+
+	/* CAP2 (HBA Capabilities Extended)*/
+	if (config->sata_devslp_disable) {
+		reg32 = read32(abar + 0x24);
+		reg32 &= ~(1 << 3);
+		write32(abar + 0x24, reg32);
+	} else {
+		/* Enable DEVSLP */
+		reg32 = read32(abar + 0x24);
+		reg32 |= (1 << 5)|(1 << 4)|(1 << 3)|(1 << 2);
+		write32(abar + 0x24, reg32);
+
+		for (port = 0; port < 4; port++) {
+			if (!(config->sata_port_map & (1 << port)))
+				continue;
+			reg32 = read32(abar + 0x144 + (0x80 * port));
+			reg32 |= (1 << 1);	/* DEVSLP DSP */
+			write32(abar + 0x144 + (0x80 * port), reg32);
+		}
+	}
+
+	/*
+	 * Static Power Gating for unused ports
+	 */
+	reg32 = RCBA32(0x3a84);
+	/* Port 3 and 2 disabled */
+	if ((config->sata_port_map & ((1 << 3)|(1 << 2))) == 0)
+		reg32 |= (1 << 24) | (1 << 26);
+	/* Port 1 and 0 disabled */
+	if ((config->sata_port_map & ((1 << 1)|(1 << 0))) == 0)
+		reg32 |= (1 << 20) | (1 << 18);
+	RCBA32(0x3a84) = reg32;
+
+	/* Set Gen3 Transmitter settings if needed */
+	if (config->sata_port0_gen3_tx)
+		pch_iobp_update(SATA_IOBP_SP0_SECRT88,
+				~(SATA_SECRT88_VADJ_MASK <<
+				  SATA_SECRT88_VADJ_SHIFT),
+				(config->sata_port0_gen3_tx &
+				 SATA_SECRT88_VADJ_MASK)
+				<< SATA_SECRT88_VADJ_SHIFT);
+
+	if (config->sata_port1_gen3_tx)
+		pch_iobp_update(SATA_IOBP_SP1_SECRT88,
+				~(SATA_SECRT88_VADJ_MASK <<
+				  SATA_SECRT88_VADJ_SHIFT),
+				(config->sata_port1_gen3_tx &
+				 SATA_SECRT88_VADJ_MASK)
+				<< SATA_SECRT88_VADJ_SHIFT);
+
+	/* Set Gen3 DTLE DATA / EDGE registers if needed */
+	if (config->sata_port0_gen3_dtle) {
+		pch_iobp_update(SATA_IOBP_SP0DTLE_DATA,
+				~(SATA_DTLE_MASK << SATA_DTLE_DATA_SHIFT),
+				(config->sata_port0_gen3_dtle & SATA_DTLE_MASK)
+				<< SATA_DTLE_DATA_SHIFT);
+
+		pch_iobp_update(SATA_IOBP_SP0DTLE_EDGE,
+				~(SATA_DTLE_MASK << SATA_DTLE_EDGE_SHIFT),
+				(config->sata_port0_gen3_dtle & SATA_DTLE_MASK)
+				<< SATA_DTLE_EDGE_SHIFT);
+	}
+
+	if (config->sata_port1_gen3_dtle) {
+		pch_iobp_update(SATA_IOBP_SP1DTLE_DATA,
+				~(SATA_DTLE_MASK << SATA_DTLE_DATA_SHIFT),
+				(config->sata_port1_gen3_dtle & SATA_DTLE_MASK)
+				<< SATA_DTLE_DATA_SHIFT);
+
+		pch_iobp_update(SATA_IOBP_SP1DTLE_EDGE,
+				~(SATA_DTLE_MASK << SATA_DTLE_EDGE_SHIFT),
+				(config->sata_port1_gen3_dtle & SATA_DTLE_MASK)
+				<< SATA_DTLE_EDGE_SHIFT);
+	}
+
+	/*
+	 * Additional Programming Requirements for Power Optimizer
+	 */
+
+	/* Step 1 */
+	sir_write(dev, 0x64, 0x883c9003);
+
+	/* Step 2: SIR 68h[15:0] = 880Ah */
+	reg32 = sir_read(dev, 0x68);
+	reg32 &= 0xffff0000;
+	reg32 |= 0x880a;
+	sir_write(dev, 0x68, reg32);
+
+	/* Step 3: SIR 60h[3] = 1 */
+	reg32 = sir_read(dev, 0x60);
+	reg32 |= (1 << 3);
+	sir_write(dev, 0x60, reg32);
+
+	/* Step 4: SIR 60h[0] = 1 */
+	reg32 = sir_read(dev, 0x60);
+	reg32 |= (1 << 0);
+	sir_write(dev, 0x60, reg32);
+
+	/* Step 5: SIR 60h[1] = 1 */
+	reg32 = sir_read(dev, 0x60);
+	reg32 |= (1 << 1);
+	sir_write(dev, 0x60, reg32);
+
+	/* Clock Gating */
+	sir_write(dev, 0x70, 0x3f00bf1f);
+	sir_write(dev, 0x54, 0xcf000f0f);
+	sir_write(dev, 0x58, 0x00190000);
+	RCBA32_AND_OR(0x333c, 0xffcfffff, 0x00c00000);
+
+	reg32 = pci_read_config32(dev, 0x300);
+	reg32 |= (1 << 17) | (1 << 16) | (1 << 19);
+	reg32 |= (1 << 31) | (1 << 30) | (1 << 29);
+	pci_write_config32(dev, 0x300, reg32);
+
+	reg32 = pci_read_config32(dev, 0x98);
+	reg32 |= 1 << 29;
+	pci_write_config32(dev, 0x98, reg32);
+
+	/* Register Lock */
+	reg32 = pci_read_config32(dev, 0x9c);
+	reg32 |= (1 << 31);
+	pci_write_config32(dev, 0x9c, reg32);
+}
+
+/*
+ * Set SATA controller mode early so the resource allocator can
+ * properly assign IO/Memory resources for the controller.
+ */
+static void sata_enable(device_t dev)
+{
+	/* Get the chip configuration */
+	config_t *config = dev->chip_info;
+	u16 map = 0x0060;
+
+	map |= (config->sata_port_map ^ 0xf) << 8;
+
+	pci_write_config16(dev, 0x90, map);
+}
+
+static struct device_operations sata_ops = {
+	.read_resources		= &pci_dev_read_resources,
+	.set_resources		= &pci_dev_set_resources,
+	.enable_resources	= &pci_dev_enable_resources,
+	.init			= &sata_init,
+	.enable			= &sata_enable,
+	.ops_pci		= &broadwell_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = {
+	0x9c03, 0x9c05, 0x9c07, 0x9c0f,                 /* LynxPoint-LP */
+	0x9c83,	0x9c85, 0x282a, 0x9c87, 0x282a, 0x9c8f, /* WildcatPoint */
+	0
+};
+
+static const struct pci_driver pch_sata __pci_driver = {
+	.ops	 = &sata_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};
diff --git a/src/soc/intel/skylake/serialio.c b/src/soc/intel/skylake/serialio.c
new file mode 100644
index 0000000..6eba7ac
--- /dev/null
+++ b/src/soc/intel/skylake/serialio.c
@@ -0,0 +1,318 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pciexp.h>
+#include <device/pci_ids.h>
+#include <stdlib.h>
+#include <soc/iobp.h>
+#include <soc/nvs.h>
+#include <soc/pci_devs.h>
+#include <soc/pch.h>
+#include <soc/ramstage.h>
+#include <soc/rcba.h>
+#include <soc/serialio.h>
+#include <soc/intel/broadwell/chip.h>
+
+/* Set D3Hot Power State in ACPI mode */
+static void serialio_enable_d3hot(struct resource *res)
+{
+	u32 reg32 = read32(res2mmio(res, PCH_PCS, 0));
+	reg32 |= PCH_PCS_PS_D3HOT;
+	write32(res2mmio(res, PCH_PCS, 0), reg32);
+}
+
+static int serialio_uart_is_debug(struct device *dev)
+{
+#if CONFIG_INTEL_PCH_UART_CONSOLE
+	switch (dev->path.pci.devfn) {
+	case PCH_DEVFN_UART0: /* UART0 */
+		return !!(CONFIG_INTEL_PCH_UART_CONSOLE_NUMBER == 0);
+	case PCH_DEVFN_UART1: /* UART1 */
+		return !!(CONFIG_INTEL_PCH_UART_CONSOLE_NUMBER == 1);
+	}
+#endif
+	return 0;
+}
+
+/* Enable clock in PCI mode */
+static void serialio_enable_clock(struct resource *bar0)
+{
+	u32 reg32 = read32(res2mmio(bar0, SIO_REG_PPR_CLOCK, 0));
+	reg32 |= SIO_REG_PPR_CLOCK_EN;
+	write32(res2mmio(bar0, SIO_REG_PPR_CLOCK, 0), reg32);
+}
+
+/* Put Serial IO D21:F0-F6 device into desired mode. */
+static void serialio_d21_mode(int sio_index, int int_pin, int acpi_mode)
+{
+	u32 portctrl = SIO_IOBP_PORTCTRL_PM_CAP_PRSNT;
+
+	/* Snoop select 1. */
+	portctrl |= SIO_IOBP_PORTCTRL_SNOOP_SELECT(1);
+
+	/* Set interrupt pin. */
+	portctrl |= SIO_IOBP_PORTCTRL_INT_PIN(int_pin);
+
+	if (acpi_mode) {
+		/* Enable ACPI interrupt mode. */
+		portctrl |= SIO_IOBP_PORTCTRL_ACPI_IRQ_EN;
+
+		/* Disable PCI config space. */
+		portctrl |= SIO_IOBP_PORTCTRL_PCI_CONF_DIS;
+	}
+
+	pch_iobp_update(SIO_IOBP_PORTCTRLX(sio_index), 0, portctrl);
+}
+
+/* Put Serial IO D23:F0 device into desired mode. */
+static void serialio_d23_mode(int acpi_mode)
+{
+	u32 portctrl = 0;
+
+	/* Snoop select 1. */
+	pch_iobp_update(SIO_IOBP_PORTCTRL1, 0,
+			SIO_IOBP_PORTCTRL1_SNOOP_SELECT(1));
+
+	if (acpi_mode) {
+		/* Enable ACPI interrupt mode. */
+		portctrl |= SIO_IOBP_PORTCTRL0_ACPI_IRQ_EN;
+
+		/* Disable PCI config space. */
+		portctrl |= SIO_IOBP_PORTCTRL0_PCI_CONF_DIS;
+	}
+
+	pch_iobp_update(SIO_IOBP_PORTCTRL0, 0, portctrl);
+}
+
+/* Enable LTR Auto Mode for D21:F1-F6. */
+static void serialio_d21_ltr(struct resource *bar0)
+{
+	u32 reg;
+
+	/* 1. Program BAR0 + 808h[2] = 0b */
+	reg = read32(res2mmio(bar0, SIO_REG_PPR_GEN, 0));
+	reg &= ~SIO_REG_PPR_GEN_LTR_MODE_MASK;
+	write32(res2mmio(bar0, SIO_REG_PPR_GEN, 0), reg);
+
+	/* 2. Program BAR0 + 804h[1:0] = 00b */
+	reg = read32(res2mmio(bar0, SIO_REG_PPR_RST, 0));
+	reg &= ~SIO_REG_PPR_RST_ASSERT;
+	write32(res2mmio(bar0, SIO_REG_PPR_RST, 0), reg);
+
+	/* 3. Program BAR0 + 804h[1:0] = 11b */
+	reg = read32(res2mmio(bar0, SIO_REG_PPR_RST, 0));
+	reg |= SIO_REG_PPR_RST_ASSERT;
+	write32(res2mmio(bar0, SIO_REG_PPR_RST, 0), reg);
+
+	/* 4. Program BAR0 + 814h[31:0] = 00000000h */
+	write32(res2mmio(bar0, SIO_REG_AUTO_LTR, 0), 0);
+}
+
+/* Enable LTR Auto Mode for D23:F0. */
+static void serialio_d23_ltr(struct resource *bar0)
+{
+	u32 reg;
+
+	/* Program BAR0 + 1008h[2] = 1b */
+	reg = read32(res2mmio(bar0, SIO_REG_SDIO_PPR_GEN, 0));
+	reg |= SIO_REG_PPR_GEN_LTR_MODE_MASK;
+	write32(res2mmio(bar0, SIO_REG_SDIO_PPR_GEN, 0), reg);
+
+	/* Program BAR0 + 1010h = 0x00000000 */
+	write32(res2mmio(bar0, SIO_REG_SDIO_PPR_SW_LTR, 0), 0);
+
+	/* Program BAR0 + 3Ch[30] = 1b */
+	reg = read32(res2mmio(bar0, SIO_REG_SDIO_PPR_CMD12, 0));
+	reg |= SIO_REG_SDIO_PPR_CMD12_B30;
+	write32(res2mmio(bar0, SIO_REG_SDIO_PPR_CMD12, 0), reg);
+}
+
+/* Select I2C voltage of 1.8V or 3.3V. */
+static void serialio_i2c_voltage_sel(struct resource *bar0, u8 voltage)
+{
+	u32 reg32 = read32(res2mmio(bar0, SIO_REG_PPR_GEN, 0));
+	reg32 &= ~SIO_REG_PPR_GEN_VOLTAGE_MASK;
+	reg32 |= SIO_REG_PPR_GEN_VOLTAGE(voltage);
+	write32(res2mmio(bar0, SIO_REG_PPR_GEN, 0), reg32);
+}
+
+/* Init sequence to be run once, done as part of D21:F0 (SDMA) init. */
+static void serialio_init_once(int acpi_mode)
+{
+	if (acpi_mode) {
+		/* Enable ACPI IRQ for IRQ13, IRQ7, IRQ6, IRQ5 in RCBA. */
+		RCBA32_OR(ACPIIRQEN, (1 << 13)|(1 << 7)|(1 << 6)|(1 << 5));
+	}
+
+	/* Program IOBP CB000154h[12,9:8,4:0] = 1001100011111b. */
+	pch_iobp_update(SIO_IOBP_GPIODF, ~0x0000131f, 0x0000131f);
+
+	/* Program IOBP CB000180h[5:0] = 111111b (undefined register) */
+	pch_iobp_update(0xcb000180, ~0x0000003f, 0x0000003f);
+}
+
+static void serialio_init(struct device *dev)
+{
+	config_t *config = dev->chip_info;
+	struct resource *bar0, *bar1;
+	int sio_index = -1;
+	u32 reg32;
+
+	printk(BIOS_DEBUG, "Initializing Serial IO device\n");
+
+	/* Ensure memory and bus master are enabled */
+	reg32 = pci_read_config32(dev, PCI_COMMAND);
+	reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+	pci_write_config32(dev, PCI_COMMAND, reg32);
+
+	/* Find BAR0 and BAR1 */
+	bar0 = find_resource(dev, PCI_BASE_ADDRESS_0);
+	if (!bar0)
+		return;
+	bar1 = find_resource(dev, PCI_BASE_ADDRESS_1);
+	if (!bar1)
+		return;
+
+	if (!config->sio_acpi_mode)
+		serialio_enable_clock(bar0);
+
+	switch (dev->path.pci.devfn) {
+	case PCH_DEVFN_SDMA: /* SDMA */
+		sio_index = SIO_ID_SDMA;
+		serialio_init_once(config->sio_acpi_mode);
+		serialio_d21_mode(sio_index, SIO_PIN_INTB,
+				  config->sio_acpi_mode);
+		break;
+	case PCH_DEVFN_I2C0: /* I2C0 */
+		sio_index = SIO_ID_I2C0;
+		serialio_d21_ltr(bar0);
+		serialio_i2c_voltage_sel(bar0, config->sio_i2c0_voltage);
+		serialio_d21_mode(sio_index, SIO_PIN_INTC,
+				  config->sio_acpi_mode);
+		break;
+	case PCH_DEVFN_I2C1: /* I2C1 */
+		sio_index = SIO_ID_I2C1;
+		serialio_d21_ltr(bar0);
+		serialio_i2c_voltage_sel(bar0, config->sio_i2c1_voltage);
+		serialio_d21_mode(sio_index, SIO_PIN_INTC,
+				  config->sio_acpi_mode);
+		break;
+	case PCH_DEVFN_SPI0: /* SPI0 */
+		sio_index = SIO_ID_SPI0;
+		serialio_d21_ltr(bar0);
+		serialio_d21_mode(sio_index, SIO_PIN_INTC,
+				  config->sio_acpi_mode);
+		break;
+	case PCH_DEVFN_SPI1: /* SPI1 */
+		sio_index = SIO_ID_SPI1;
+		serialio_d21_ltr(bar0);
+		serialio_d21_mode(sio_index, SIO_PIN_INTC,
+				  config->sio_acpi_mode);
+		break;
+	case PCH_DEVFN_UART0: /* UART0 */
+		sio_index = SIO_ID_UART0;
+		if (!serialio_uart_is_debug(dev))
+			serialio_d21_ltr(bar0);
+		serialio_d21_mode(sio_index, SIO_PIN_INTD,
+				  config->sio_acpi_mode);
+		break;
+	case PCH_DEVFN_UART1: /* UART1 */
+		sio_index = SIO_ID_UART1;
+		if (!serialio_uart_is_debug(dev))
+			serialio_d21_ltr(bar0);
+		serialio_d21_mode(sio_index, SIO_PIN_INTD,
+				  config->sio_acpi_mode);
+		break;
+	case PCH_DEVFN_SDIO: /* SDIO */
+		sio_index = SIO_ID_SDIO;
+		serialio_d23_ltr(bar0);
+		serialio_d23_mode(config->sio_acpi_mode);
+		break;
+	default:
+		return;
+	}
+
+	if (config->sio_acpi_mode) {
+		global_nvs_t *gnvs;
+
+		/* Find ACPI NVS to update BARs */
+		gnvs = (global_nvs_t *)cbmem_find(CBMEM_ID_ACPI_GNVS);
+		if (!gnvs) {
+			printk(BIOS_ERR, "Unable to locate Global NVS\n");
+			return;
+		}
+
+		/* Save BAR0 and BAR1 to ACPI NVS */
+		gnvs->dev.bar0[sio_index] = (u32)bar0->base;
+		gnvs->dev.bar1[sio_index] = (u32)bar1->base;
+
+		/* Do not enable UART if it is used as debug port */
+		if (!serialio_uart_is_debug(dev))
+			gnvs->dev.enable[sio_index] = 1;
+
+		/* Put device in D3hot state via BAR1 */
+		if (dev->path.pci.devfn != PCH_DEVFN_SDMA)
+			serialio_enable_d3hot(bar1); /* all but SDMA */
+	}
+}
+
+static void serialio_set_resources(struct device *dev)
+{
+	pci_dev_set_resources(dev);
+
+#if CONFIG_INTEL_PCH_UART_CONSOLE
+	/* Update UART base address if used for debug */
+	if (serialio_uart_is_debug(dev)) {
+		struct resource *res = find_resource(dev, PCI_BASE_ADDRESS_0);
+		if (res)
+			uartmem_setbaseaddr(res->base);
+	}
+#endif
+}
+
+static struct device_operations device_ops = {
+	.read_resources		= &pci_dev_read_resources,
+	.set_resources		= &serialio_set_resources,
+	.enable_resources	= &pci_dev_enable_resources,
+	.init			= &serialio_init,
+	.ops_pci		= &broadwell_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = {
+	0x9c60, 0x9ce0, /* 0:15.0 - SDMA */
+	0x9c61, 0x9ce1, /* 0:15.1 - I2C0 */
+	0x9c62, 0x9ce2, /* 0:15.2 - I2C1 */
+	0x9c65, 0x9ce5, /* 0:15.3 - SPI0 */
+	0x9c66, 0x9ce6, /* 0:15.4 - SPI1 */
+	0x9c63, 0x9ce3, /* 0:15.5 - UART0 */
+	0x9c64, 0x9ce4, /* 0:15.6 - UART1 */
+	0x9c35, 0x9cb5, /* 0:17.0 - SDIO */
+	0
+};
+
+static const struct pci_driver pch_pcie __pci_driver = {
+	.ops	 = &device_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};
diff --git a/src/soc/intel/skylake/smbus.c b/src/soc/intel/skylake/smbus.c
new file mode 100644
index 0000000..0ec84b2
--- /dev/null
+++ b/src/soc/intel/skylake/smbus.c
@@ -0,0 +1,113 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/path.h>
+#include <device/smbus.h>
+#include <device/smbus_def.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <soc/iomap.h>
+#include <soc/ramstage.h>
+#include <soc/smbus.h>
+
+static void pch_smbus_init(device_t dev)
+{
+	struct resource *res;
+	u16 reg16;
+
+	/* Enable clock gating */
+	reg16 = pci_read_config32(dev, 0x80);
+	reg16 &= ~((1 << 8)|(1 << 10)|(1 << 12)|(1 << 14));
+	pci_write_config32(dev, 0x80, reg16);
+
+	/* Set Receive Slave Address */
+	res = find_resource(dev, PCI_BASE_ADDRESS_4);
+	if (res)
+		outb(SMBUS_SLAVE_ADDR, res->base + SMB_RCV_SLVA);
+}
+
+static int lsmbus_read_byte(device_t dev, u8 address)
+{
+	u16 device;
+	struct resource *res;
+	struct bus *pbus;
+
+	device = dev->path.i2c.device;
+	pbus = get_pbus_smbus(dev);
+	res = find_resource(pbus->dev, PCI_BASE_ADDRESS_4);
+
+	return do_smbus_read_byte(res->base, device, address);
+}
+
+static int lsmbus_write_byte(device_t dev, u8 address, u8 data)
+{
+	u16 device;
+	struct resource *res;
+	struct bus *pbus;
+
+	device = dev->path.i2c.device;
+	pbus = get_pbus_smbus(dev);
+	res = find_resource(pbus->dev, PCI_BASE_ADDRESS_4);
+	return do_smbus_write_byte(res->base, device, address, data);
+}
+
+static struct smbus_bus_operations lops_smbus_bus = {
+	.read_byte	= lsmbus_read_byte,
+	.write_byte	= lsmbus_write_byte,
+};
+
+static void smbus_read_resources(device_t dev)
+{
+	struct resource *res = new_resource(dev, PCI_BASE_ADDRESS_4);
+	res->base = SMBUS_BASE_ADDRESS;
+	res->size = 32;
+	res->limit = res->base + res->size - 1;
+	res->flags = IORESOURCE_IO | IORESOURCE_FIXED | IORESOURCE_RESERVE |
+		     IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+
+	/* Also add MMIO resource */
+	res = pci_get_resource(dev, PCI_BASE_ADDRESS_0);
+}
+
+static struct device_operations smbus_ops = {
+	.read_resources		= &smbus_read_resources,
+	.set_resources		= &pci_dev_set_resources,
+	.enable_resources	= &pci_dev_enable_resources,
+	.scan_bus		= &scan_static_bus,
+	.init			= &pch_smbus_init,
+	.ops_smbus_bus		= &lops_smbus_bus,
+	.ops_pci		= &broadwell_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = {
+	0x9c22, /* LynxPoint */
+	0x9ca2, /* WildcatPoint */
+	0
+};
+
+static const struct pci_driver pch_smbus __pci_driver = {
+	.ops	 = &smbus_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};
diff --git a/src/soc/intel/skylake/smbus_common.c b/src/soc/intel/skylake/smbus_common.c
new file mode 100644
index 0000000..41416c7
--- /dev/null
+++ b/src/soc/intel/skylake/smbus_common.c
@@ -0,0 +1,155 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2005 Yinghai Lu <yinghailu at gmail.com>
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/path.h>
+#include <device/smbus_def.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <soc/ramstage.h>
+#include <soc/smbus.h>
+
+static void smbus_delay(void)
+{
+	inb(0x80);
+}
+
+static int smbus_wait_until_ready(u16 smbus_base)
+{
+	unsigned loops = SMBUS_TIMEOUT;
+	unsigned char byte;
+	do {
+		smbus_delay();
+		if (--loops == 0)
+			break;
+		byte = inb(smbus_base + SMBHSTSTAT);
+	} while (byte & 1);
+	return loops ? 0 : -1;
+}
+
+static int smbus_wait_until_done(u16 smbus_base)
+{
+	unsigned loops = SMBUS_TIMEOUT;
+	unsigned char byte;
+	do {
+		smbus_delay();
+		if (--loops == 0)
+			break;
+		byte = inb(smbus_base + SMBHSTSTAT);
+	} while ((byte & 1) || (byte & ~((1 << 6) | (1 << 0))) == 0);
+	return loops ? 0 : -1;
+}
+
+int do_smbus_read_byte(unsigned smbus_base, unsigned device, unsigned address)
+{
+	unsigned char global_status_register;
+	unsigned char byte;
+
+	if (smbus_wait_until_ready(smbus_base) < 0) {
+		return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
+	}
+	/* Setup transaction */
+	/* Disable interrupts */
+	outb(inb(smbus_base + SMBHSTCTL) & (~1), smbus_base + SMBHSTCTL);
+	/* Set the device I'm talking too */
+	outb(((device & 0x7f) << 1) | 1, smbus_base + SMBXMITADD);
+	/* Set the command/address... */
+	outb(address & 0xff, smbus_base + SMBHSTCMD);
+	/* Set up for a byte data read */
+	outb((inb(smbus_base + SMBHSTCTL) & 0xe3) | (0x2 << 2),
+	     (smbus_base + SMBHSTCTL));
+	/* Clear any lingering errors, so the transaction will run */
+	outb(inb(smbus_base + SMBHSTSTAT), smbus_base + SMBHSTSTAT);
+
+	/* Clear the data byte... */
+	outb(0, smbus_base + SMBHSTDAT0);
+
+	/* Start the command */
+	outb((inb(smbus_base + SMBHSTCTL) | 0x40),
+	     smbus_base + SMBHSTCTL);
+
+	/* Poll for transaction completion */
+	if (smbus_wait_until_done(smbus_base) < 0) {
+		return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
+	}
+
+	global_status_register = inb(smbus_base + SMBHSTSTAT);
+
+	/* Ignore the "In Use" status... */
+	global_status_register &= ~(3 << 5);
+
+	/* Read results of transaction */
+	byte = inb(smbus_base + SMBHSTDAT0);
+	if (global_status_register != (1 << 1)) {
+		return SMBUS_ERROR;
+	}
+	return byte;
+}
+
+int do_smbus_write_byte(unsigned smbus_base, unsigned device,
+			unsigned address, unsigned data)
+{
+	unsigned char global_status_register;
+
+	if (smbus_wait_until_ready(smbus_base) < 0)
+		return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
+
+	/* Setup transaction */
+	/* Disable interrupts */
+	outb(inb(smbus_base + SMBHSTCTL) & (~1), smbus_base + SMBHSTCTL);
+	/* Set the device I'm talking too */
+	outb(((device & 0x7f) << 1) & ~0x01, smbus_base + SMBXMITADD);
+	/* Set the command/address... */
+	outb(address & 0xff, smbus_base + SMBHSTCMD);
+	/* Set up for a byte data read */
+	outb((inb(smbus_base + SMBHSTCTL) & 0xe3) | (0x2 << 2),
+	     (smbus_base + SMBHSTCTL));
+	/* Clear any lingering errors, so the transaction will run */
+	outb(inb(smbus_base + SMBHSTSTAT), smbus_base + SMBHSTSTAT);
+
+	/* Clear the data byte... */
+	outb(data, smbus_base + SMBHSTDAT0);
+
+	/* Start the command */
+	outb((inb(smbus_base + SMBHSTCTL) | 0x40),
+	     smbus_base + SMBHSTCTL);
+
+	/* Poll for transaction completion */
+	if (smbus_wait_until_done(smbus_base) < 0) {
+		printk(BIOS_ERR, "SMBUS transaction timeout\n");
+		return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
+	}
+
+	global_status_register = inb(smbus_base + SMBHSTSTAT);
+
+	/* Ignore the "In Use" status... */
+	global_status_register &= ~(3 << 5);
+
+	/* Read results of transaction */
+	if (global_status_register != (1 << 1)) {
+		printk(BIOS_ERR, "SMBUS transaction error\n");
+		return SMBUS_ERROR;
+	}
+
+	return 0;
+}
diff --git a/src/soc/intel/skylake/smi.c b/src/soc/intel/skylake/smi.c
new file mode 100644
index 0000000..85a508b
--- /dev/null
+++ b/src/soc/intel/skylake/smi.c
@@ -0,0 +1,123 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <console/console.h>
+#include <arch/io.h>
+#include <cpu/cpu.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/smm.h>
+#include <string.h>
+#include <soc/iomap.h>
+#include <soc/pch.h>
+#include <soc/pm.h>
+#include <soc/smm.h>
+
+void southbridge_smm_clear_state(void)
+{
+	u32 smi_en;
+
+	printk(BIOS_DEBUG, "Initializing Southbridge SMI...");
+	printk(BIOS_SPEW, " ... pmbase = 0x%04x\n", ACPI_BASE_ADDRESS);
+
+	smi_en = inl(ACPI_BASE_ADDRESS + SMI_EN);
+	if (smi_en & APMC_EN) {
+		printk(BIOS_INFO, "SMI# handler already enabled?\n");
+		return;
+	}
+
+	printk(BIOS_DEBUG, "\n");
+
+	/* Dump and clear status registers */
+	clear_smi_status();
+	clear_pm1_status();
+	clear_tco_status();
+	clear_gpe_status();
+}
+
+void southbridge_smm_enable_smi(void)
+{
+	printk(BIOS_DEBUG, "Enabling SMIs.\n");
+	/* Configure events */
+	enable_pm1(PWRBTN_EN | GBL_EN);
+	disable_gpe(PME_B0_EN);
+
+	/* Enable SMI generation:
+	 *  - on APMC writes (io 0xb2)
+	 *  - on writes to SLP_EN (sleep states)
+	 *  - on writes to GBL_RLS (bios commands)
+	 * No SMIs:
+	 *  - on microcontroller writes (io 0x62/0x66)
+	 *  - on TCO events
+	 */
+	enable_smi(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | EOS);
+}
+
+void southbridge_trigger_smi(void)
+{
+	/**
+	 * There are several methods of raising a controlled SMI# via
+	 * software, among them:
+	 *  - Writes to io 0xb2 (APMC)
+	 *  - Writes to the Local Apic ICR with Delivery mode SMI.
+	 *
+	 * Using the local apic is a bit more tricky. According to
+	 * AMD Family 11 Processor BKDG no destination shorthand must be
+	 * used.
+	 * The whole SMM initialization is quite a bit hardware specific, so
+	 * I'm not too worried about the better of the methods at the moment
+	 */
+
+	/* raise an SMI interrupt */
+	printk(BIOS_SPEW, "  ... raise SMI#\n");
+	outb(0x00, 0xb2);
+}
+
+void southbridge_clear_smi_status(void)
+{
+	/* Clear SMI status */
+	clear_smi_status();
+
+	/* Clear PM1 status */
+	clear_pm1_status();
+
+	/* Set EOS bit so other SMIs can occur. */
+	enable_smi(EOS);
+}
+
+void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
+{
+	/*
+	 * Issue SMI to set the gnvs pointer in SMM.
+	 * tcg and smi1 are unused.
+	 *
+	 * EAX = APM_CNT_GNVS_UPDATE
+	 * EBX = gnvs pointer
+	 * EDX = APM_CNT
+	 */
+	asm volatile (
+		"outb %%al, %%dx\n\t"
+		: /* ignore result */
+		: "a" (APM_CNT_GNVS_UPDATE),
+		  "b" ((u32)gnvs),
+		  "d" (APM_CNT)
+	);
+}
diff --git a/src/soc/intel/skylake/smihandler.c b/src/soc/intel/skylake/smihandler.c
new file mode 100644
index 0000000..63c9373
--- /dev/null
+++ b/src/soc/intel/skylake/smihandler.c
@@ -0,0 +1,591 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <delay.h>
+#include <types.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <cpu/x86/cache.h>
+#include <device/pci_def.h>
+#include <cpu/x86/smm.h>
+#include <spi-generic.h>
+#include <elog.h>
+#include <halt.h>
+#include <pc80/mc146818rtc.h>
+#include <soc/lpc.h>
+#include <soc/nvs.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/rcba.h>
+#include <soc/smm.h>
+#include <soc/xhci.h>
+#include <drivers/intel/gma/i915_reg.h>
+
+static u8 smm_initialized = 0;
+
+/*
+ * GNVS needs to be updated by an 0xEA PM Trap (B2) after it has been located
+ * by coreboot.
+ */
+static global_nvs_t *gnvs;
+global_nvs_t *smm_get_gnvs(void)
+{
+	return gnvs;
+}
+
+int southbridge_io_trap_handler(int smif)
+{
+	switch (smif) {
+	case 0x32:
+		printk(BIOS_DEBUG, "OS Init\n");
+		/* gnvs->smif:
+		 *  On success, the IO Trap Handler returns 0
+		 *  On failure, the IO Trap Handler returns a value != 0
+		 */
+		gnvs->smif = 0;
+		return 1; /* IO trap handled */
+	}
+
+	/* Not handled */
+	return 0;
+}
+
+/**
+ * @brief Set the EOS bit
+ */
+void southbridge_smi_set_eos(void)
+{
+	enable_smi(EOS);
+}
+
+static void busmaster_disable_on_bus(int bus)
+{
+        int slot, func;
+        unsigned int val;
+        unsigned char hdr;
+
+        for (slot = 0; slot < 0x20; slot++) {
+                for (func = 0; func < 8; func++) {
+                        u32 reg32;
+                        device_t dev = PCI_DEV(bus, slot, func);
+
+                        val = pci_read_config32(dev, PCI_VENDOR_ID);
+
+                        if (val == 0xffffffff || val == 0x00000000 ||
+                            val == 0x0000ffff || val == 0xffff0000)
+                                continue;
+
+                        /* Disable Bus Mastering for this one device */
+                        reg32 = pci_read_config32(dev, PCI_COMMAND);
+                        reg32 &= ~PCI_COMMAND_MASTER;
+                        pci_write_config32(dev, PCI_COMMAND, reg32);
+
+                        /* If this is a bridge, then follow it. */
+                        hdr = pci_read_config8(dev, PCI_HEADER_TYPE);
+                        hdr &= 0x7f;
+                        if (hdr == PCI_HEADER_TYPE_BRIDGE ||
+                            hdr == PCI_HEADER_TYPE_CARDBUS) {
+                                unsigned int buses;
+                                buses = pci_read_config32(dev, PCI_PRIMARY_BUS);
+                                busmaster_disable_on_bus((buses >> 8) & 0xff);
+                        }
+                }
+        }
+}
+
+/*
+ * Turn off the backlight if it is on, and wait for the specified
+ * backlight off delay.  This will allow panel power timings to meet
+ * spec and prevent brief garbage on the screen when turned off
+ * during firmware with power button triggered SMI.
+ */
+static void backlight_off(void)
+{
+	void *reg_base;
+	uint32_t pp_ctrl;
+	uint32_t bl_off_delay;
+
+	reg_base = (void *)((uintptr_t)pci_read_config32(SA_DEV_IGD, PCI_BASE_ADDRESS_0) & ~0xf);
+
+	/* Check if backlight is enabled */
+	pp_ctrl = read32(reg_base + PCH_PP_CONTROL);
+	if (!(pp_ctrl & EDP_BLC_ENABLE))
+		return;
+
+	/* Enable writes to this register */
+	pp_ctrl &= ~PANEL_UNLOCK_MASK;
+	pp_ctrl |= PANEL_UNLOCK_REGS;
+
+	/* Turn off backlight */
+	pp_ctrl &= ~EDP_BLC_ENABLE;
+
+	write32(reg_base + PCH_PP_CONTROL, pp_ctrl);
+	read32(reg_base + PCH_PP_CONTROL);
+
+	/* Read backlight off delay in 100us units */
+	bl_off_delay = read32(reg_base + PCH_PP_OFF_DELAYS);
+	bl_off_delay &= PANEL_LIGHT_OFF_DELAY_MASK;
+	bl_off_delay *= 100;
+
+	/* Wait for backlight to turn off */
+	udelay(bl_off_delay);
+
+	printk(BIOS_INFO, "Backlight turned off\n");
+}
+
+static void southbridge_smi_sleep(void)
+{
+	u8 reg8;
+	u32 reg32;
+	u8 slp_typ;
+	u8 s5pwr = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
+
+	/* save and recover RTC port values */
+	u8 tmp70, tmp72;
+	tmp70 = inb(0x70);
+	tmp72 = inb(0x72);
+	get_option(&s5pwr, "power_on_after_fail");
+	outb(tmp70, 0x70);
+	outb(tmp72, 0x72);
+
+	/* First, disable further SMIs */
+	disable_smi(SLP_SMI_EN);
+
+	/* Figure out SLP_TYP */
+	reg32 = inl(ACPI_BASE_ADDRESS + PM1_CNT);
+	printk(BIOS_SPEW, "SMI#: SLP = 0x%08x\n", reg32);
+	slp_typ = (reg32 >> 10) & 7;
+
+	/* Do any mainboard sleep handling */
+	mainboard_smi_sleep(slp_typ-2);
+
+	/* USB sleep preparations */
+	usb_xhci_sleep_prepare(PCH_DEV_XHCI, slp_typ);
+
+#if CONFIG_ELOG_GSMI
+	/* Log S3, S4, and S5 entry */
+	if (slp_typ >= 5)
+		elog_add_event_byte(ELOG_TYPE_ACPI_ENTER, slp_typ-2);
+#endif
+
+	/* Clear pending GPE events */
+	clear_gpe_status();
+
+	/* Next, do the deed.
+	 */
+
+	switch (slp_typ) {
+	case SLP_TYP_S0:
+		printk(BIOS_DEBUG, "SMI#: Entering S0 (On)\n");
+		break;
+	case SLP_TYP_S1:
+		printk(BIOS_DEBUG, "SMI#: Entering S1 (Assert STPCLK#)\n");
+		break;
+	case SLP_TYP_S3:
+		printk(BIOS_DEBUG, "SMI#: Entering S3 (Suspend-To-RAM)\n");
+
+		/* Invalidate the cache before going to S3 */
+		wbinvd();
+		break;
+	case SLP_TYP_S4:
+		printk(BIOS_DEBUG, "SMI#: Entering S4 (Suspend-To-Disk)\n");
+		break;
+	case SLP_TYP_S5:
+		printk(BIOS_DEBUG, "SMI#: Entering S5 (Soft Power off)\n");
+
+		/* Turn off backlight if needed */
+		backlight_off();
+
+		/* Disable all GPE */
+		disable_all_gpe();
+
+		/* Always set the flag in case CMOS was changed on runtime. For
+		 * "KEEP", switch to "OFF" - KEEP is software emulated
+		 */
+		reg8 = pci_read_config8(PCH_DEV_LPC, GEN_PMCON_3);
+		if (s5pwr == MAINBOARD_POWER_ON)
+			reg8 &= ~1;
+		else
+			reg8 |= 1;
+		pci_write_config8(PCH_DEV_LPC, GEN_PMCON_3, reg8);
+
+		/* also iterates over all bridges on bus 0 */
+		busmaster_disable_on_bus(0);
+		break;
+	default:
+		printk(BIOS_DEBUG, "SMI#: ERROR: SLP_TYP reserved\n");
+		break;
+	}
+
+	/*
+	 * Write back to the SLP register to cause the originally intended
+	 * event again. We need to set BIT13 (SLP_EN) though to make the
+	 * sleep happen.
+	 */
+	enable_pm1_control(SLP_EN);
+
+	/* Make sure to stop executing code here for S3/S4/S5 */
+	if (slp_typ > 1)
+		halt();
+
+	/*
+	 * In most sleep states, the code flow of this function ends at
+	 * the line above. However, if we entered sleep state S1 and wake
+	 * up again, we will continue to execute code in this function.
+	 */
+	reg32 = inl(ACPI_BASE_ADDRESS + PM1_CNT);
+	if (reg32 & SCI_EN) {
+		/* The OS is not an ACPI OS, so we set the state to S0 */
+		disable_pm1_control(SLP_EN | SLP_TYP);
+	}
+}
+
+/*
+ * Look for Synchronous IO SMI and use save state from that
+ * core in case we are not running on the same core that
+ * initiated the IO transaction.
+ */
+static em64t101_smm_state_save_area_t *smi_apmc_find_state_save(u8 cmd)
+{
+	em64t101_smm_state_save_area_t *state;
+	int node;
+
+	/* Check all nodes looking for the one that issued the IO */
+	for (node = 0; node < CONFIG_MAX_CPUS; node++) {
+		state = smm_get_save_state(node);
+
+		/* Check for Synchronous IO (bit0==1) */
+		if (!(state->io_misc_info & (1 << 0)))
+			continue;
+
+		/* Make sure it was a write (bit4==0) */
+		if (state->io_misc_info & (1 << 4))
+			continue;
+
+		/* Check for APMC IO port */
+		if (((state->io_misc_info >> 16) & 0xff) != APM_CNT)
+			continue;
+
+		/* Check AX against the requested command */
+		if ((state->rax & 0xff) != cmd)
+			continue;
+
+		return state;
+	}
+
+	return NULL;
+}
+
+#if CONFIG_ELOG_GSMI
+static void southbridge_smi_gsmi(void)
+{
+	u32 *ret, *param;
+	u8 sub_command;
+	em64t101_smm_state_save_area_t *io_smi =
+		smi_apmc_find_state_save(ELOG_GSMI_APM_CNT);
+
+	if (!io_smi)
+		return;
+
+	/* Command and return value in EAX */
+	ret = (u32*)&io_smi->rax;
+	sub_command = (u8)(*ret >> 8);
+
+	/* Parameter buffer in EBX */
+	param = (u32*)&io_smi->rbx;
+
+	/* drivers/elog/gsmi.c */
+	*ret = gsmi_exec(sub_command, param);
+}
+#endif
+
+static void finalize(void)
+{
+	static int finalize_done;
+
+	if (finalize_done) {
+		printk(BIOS_DEBUG, "SMM already finalized.\n");
+		return;
+	}
+	finalize_done = 1;
+
+#if CONFIG_SPI_FLASH_SMM
+	/* Re-init SPI driver to handle locked BAR */
+	spi_init();
+#endif
+}
+
+static void southbridge_smi_apmc(void)
+{
+	u8 reg8;
+	em64t101_smm_state_save_area_t *state;
+
+	/* Emulate B2 register as the FADT / Linux expects it */
+
+	reg8 = inb(APM_CNT);
+	switch (reg8) {
+	case APM_CNT_CST_CONTROL:
+		printk(BIOS_DEBUG, "C-state control\n");
+		break;
+	case APM_CNT_PST_CONTROL:
+		printk(BIOS_DEBUG, "P-state control\n");
+		break;
+	case APM_CNT_ACPI_DISABLE:
+		disable_pm1_control(SCI_EN);
+		printk(BIOS_DEBUG, "SMI#: ACPI disabled.\n");
+		break;
+	case APM_CNT_ACPI_ENABLE:
+		enable_pm1_control(SCI_EN);
+		printk(BIOS_DEBUG, "SMI#: ACPI enabled.\n");
+		break;
+	case APM_CNT_FINALIZE:
+		finalize();
+		break;
+	case APM_CNT_GNVS_UPDATE:
+		if (smm_initialized) {
+			printk(BIOS_DEBUG,
+			       "SMI#: SMM structures already initialized!\n");
+			return;
+		}
+		state = smi_apmc_find_state_save(reg8);
+		if (state) {
+			/* EBX in the state save contains the GNVS pointer */
+			gnvs = (global_nvs_t *)((u32)state->rbx);
+			smm_initialized = 1;
+			printk(BIOS_DEBUG, "SMI#: Setting GNVS to %p\n", gnvs);
+		}
+		break;
+#if CONFIG_ELOG_GSMI
+	case ELOG_GSMI_APM_CNT:
+		southbridge_smi_gsmi();
+		break;
+#endif
+	}
+
+	mainboard_smi_apmc(reg8);
+}
+
+static void southbridge_smi_pm1(void)
+{
+	u16 pm1_sts = clear_pm1_status();
+
+	/* While OSPM is not active, poweroff immediately
+	 * on a power button event.
+	 */
+	if (pm1_sts & PWRBTN_STS) {
+		/* power button pressed */
+#if CONFIG_ELOG_GSMI
+		elog_add_event(ELOG_TYPE_POWER_BUTTON);
+#endif
+		disable_pm1_control(-1UL);
+		enable_pm1_control(SLP_EN | (SLP_TYP_S5 << 10));
+	}
+}
+
+static void southbridge_smi_gpe0(void)
+{
+	clear_gpe_status();
+}
+
+static void southbridge_smi_gpi(void)
+{
+	mainboard_smi_gpi(clear_alt_smi_status());
+
+	/* Clear again after mainboard handler */
+	clear_alt_smi_status();
+}
+
+static void southbridge_smi_mc(void)
+{
+	u32 reg32 = inl(ACPI_BASE_ADDRESS + SMI_EN);
+
+	/* Are microcontroller SMIs enabled? */
+	if ((reg32 & MCSMI_EN) == 0)
+		return;
+
+	printk(BIOS_DEBUG, "Microcontroller SMI.\n");
+}
+
+static void southbridge_smi_tco(void)
+{
+	u32 tco_sts = clear_tco_status();
+
+	/* Any TCO event? */
+	if (!tco_sts)
+		return;
+
+	if (tco_sts & (1 << 8)) { // BIOSWR
+		u8 bios_cntl = pci_read_config16(PCH_DEV_LPC, BIOS_CNTL);
+
+		if (bios_cntl & 1) {
+			/*
+			 * BWE is RW, so the SMI was caused by a
+			 * write to BWE, not by a write to the BIOS
+			 *
+			 * This is the place where we notice someone
+			 * is trying to tinker with the BIOS. We are
+			 * trying to be nice and just ignore it. A more
+			 * resolute answer would be to power down the
+			 * box.
+			 */
+			printk(BIOS_DEBUG, "Switching back to RO\n");
+			pci_write_config32(PCH_DEV_LPC, BIOS_CNTL,
+					   (bios_cntl & ~1));
+		} /* No else for now? */
+	} else if (tco_sts & (1 << 3)) { /* TIMEOUT */
+		/* Handle TCO timeout */
+		printk(BIOS_DEBUG, "TCO Timeout.\n");
+	}
+}
+
+static void southbridge_smi_periodic(void)
+{
+	u32 reg32 = inl(ACPI_BASE_ADDRESS + SMI_EN);
+
+	/* Are periodic SMIs enabled? */
+	if ((reg32 & PERIODIC_EN) == 0)
+		return;
+
+	printk(BIOS_DEBUG, "Periodic SMI.\n");
+}
+
+static void southbridge_smi_monitor(void)
+{
+#define IOTRAP(x) (trap_sts & (1 << x))
+	u32 trap_sts, trap_cycle;
+	u32 data, mask = 0;
+	int i;
+
+	trap_sts = RCBA32(0x1e00); // TRSR - Trap Status Register
+	RCBA32(0x1e00) = trap_sts; // Clear trap(s) in TRSR
+
+	trap_cycle = RCBA32(0x1e10);
+	for (i=16; i<20; i++) {
+		if (trap_cycle & (1 << i))
+			mask |= (0xff << ((i - 16) << 2));
+	}
+
+
+	/* IOTRAP(3) SMI function call */
+	if (IOTRAP(3)) {
+		if (gnvs && gnvs->smif)
+			io_trap_handler(gnvs->smif); // call function smif
+		return;
+	}
+
+	/* IOTRAP(2) currently unused
+	 * IOTRAP(1) currently unused */
+
+	/* IOTRAP(0) SMIC */
+	if (IOTRAP(0)) {
+		if (!(trap_cycle & (1 << 24))) { // It's a write
+			printk(BIOS_DEBUG, "SMI1 command\n");
+			data = RCBA32(0x1e18);
+			data &= mask;
+			// if (smi1)
+			// 	southbridge_smi_command(data);
+			// return;
+		}
+		// Fall through to debug
+	}
+
+	printk(BIOS_DEBUG, "  trapped io address = 0x%x\n",
+	       trap_cycle & 0xfffc);
+	for (i=0; i < 4; i++)
+		if(IOTRAP(i)) printk(BIOS_DEBUG, "  TRAP = %d\n", i);
+	printk(BIOS_DEBUG, "  AHBE = %x\n", (trap_cycle >> 16) & 0xf);
+	printk(BIOS_DEBUG, "  MASK = 0x%08x\n", mask);
+	printk(BIOS_DEBUG, "  read/write: %s\n",
+	       (trap_cycle & (1 << 24)) ? "read" : "write");
+
+	if (!(trap_cycle & (1 << 24))) {
+		/* Write Cycle */
+		data = RCBA32(0x1e18);
+		printk(BIOS_DEBUG, "  iotrap written data = 0x%08x\n", data);
+	}
+#undef IOTRAP
+}
+
+typedef void (*smi_handler_t)(void);
+
+static smi_handler_t southbridge_smi[32] = {
+	NULL,			  //  [0] reserved
+	NULL,			  //  [1] reserved
+	NULL,			  //  [2] BIOS_STS
+	NULL,			  //  [3] LEGACY_USB_STS
+	southbridge_smi_sleep,	  //  [4] SLP_SMI_STS
+	southbridge_smi_apmc,	  //  [5] APM_STS
+	NULL,			  //  [6] SWSMI_TMR_STS
+	NULL,			  //  [7] reserved
+	southbridge_smi_pm1,	  //  [8] PM1_STS
+	southbridge_smi_gpe0,	  //  [9] GPE0_STS
+	southbridge_smi_gpi,	  // [10] GPI_STS
+	southbridge_smi_mc,	  // [11] MCSMI_STS
+	NULL,			  // [12] DEVMON_STS
+	southbridge_smi_tco,	  // [13] TCO_STS
+	southbridge_smi_periodic, // [14] PERIODIC_STS
+	NULL,			  // [15] SERIRQ_SMI_STS
+	NULL,			  // [16] SMBUS_SMI_STS
+	NULL,			  // [17] LEGACY_USB2_STS
+	NULL,			  // [18] INTEL_USB2_STS
+	NULL,			  // [19] reserved
+	NULL,			  // [20] PCI_EXP_SMI_STS
+	southbridge_smi_monitor,  // [21] MONITOR_STS
+	NULL,			  // [22] reserved
+	NULL,			  // [23] reserved
+	NULL,			  // [24] reserved
+	NULL,			  // [25] EL_SMI_STS
+	NULL,			  // [26] SPI_STS
+	NULL,			  // [27] reserved
+	NULL,			  // [28] reserved
+	NULL,			  // [29] reserved
+	NULL,			  // [30] reserved
+	NULL			  // [31] reserved
+};
+
+/**
+ * @brief Interrupt handler for SMI#
+ *
+ * @param smm_revision revision of the smm state save map
+ */
+
+void southbridge_smi_handler(void)
+{
+	int i;
+	u32 smi_sts;
+
+	/* We need to clear the SMI status registers, or we won't see what's
+	 * happening in the following calls.
+	 */
+	smi_sts = clear_smi_status();
+
+	/* Call SMI sub handler for each of the status bits */
+	for (i = 0; i < 31; i++) {
+		if (smi_sts & (1 << i)) {
+			if (southbridge_smi[i]) {
+				southbridge_smi[i]();
+			} else {
+				printk(BIOS_DEBUG,
+				       "SMI_STS[%d] occurred, but no "
+				       "handler available.\n", i);
+			}
+		}
+	}
+}
diff --git a/src/soc/intel/skylake/smmrelocate.c b/src/soc/intel/skylake/smmrelocate.c
new file mode 100644
index 0000000..47d6385
--- /dev/null
+++ b/src/soc/intel/skylake/smmrelocate.c
@@ -0,0 +1,439 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <types.h>
+#include <string.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <cpu/cpu.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/x86/mp.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/mtrr.h>
+#include <cpu/x86/smm.h>
+#include <console/console.h>
+#include <soc/cpu.h>
+#include <soc/msr.h>
+#include <soc/pci_devs.h>
+#include <soc/smm.h>
+#include <soc/systemagent.h>
+
+/* This gets filled in and used during relocation. */
+static struct smm_relocation_params smm_reloc_params;
+
+static inline void write_smrr(struct smm_relocation_params *relo_params)
+{
+	printk(BIOS_DEBUG, "Writing SMRR. base = 0x%08x, mask=0x%08x\n",
+	       relo_params->smrr_base.lo, relo_params->smrr_mask.lo);
+	wrmsr(SMRRphysBase_MSR, relo_params->smrr_base);
+	wrmsr(SMRRphysMask_MSR, relo_params->smrr_mask);
+}
+
+static inline void write_emrr(struct smm_relocation_params *relo_params)
+{
+	printk(BIOS_DEBUG, "Writing EMRR. base = 0x%08x, mask=0x%08x\n",
+	       relo_params->emrr_base.lo, relo_params->emrr_mask.lo);
+	wrmsr(EMRRphysBase_MSR, relo_params->emrr_base);
+	wrmsr(EMRRphysMask_MSR, relo_params->emrr_mask);
+}
+
+static inline void write_uncore_emrr(struct smm_relocation_params *relo_params)
+{
+	printk(BIOS_DEBUG,
+	       "Writing UNCORE_EMRR. base = 0x%08x, mask=0x%08x\n",
+	       relo_params->uncore_emrr_base.lo,
+	       relo_params->uncore_emrr_mask.lo);
+	wrmsr(UNCORE_EMRRphysBase_MSR, relo_params->uncore_emrr_base);
+	wrmsr(UNCORE_EMRRphysMask_MSR, relo_params->uncore_emrr_mask);
+}
+
+static void update_save_state(int cpu,
+                              struct smm_relocation_params *relo_params,
+                              const struct smm_runtime *runtime)
+{
+	u32 smbase;
+	u32 iedbase;
+
+	/* The relocated handler runs with all CPUs concurrently. Therefore
+	 * stagger the entry points adjusting SMBASE downwards by save state
+	 * size * CPU num. */
+	smbase = relo_params->smram_base - cpu * runtime->save_state_size;
+	iedbase = relo_params->ied_base;
+
+	printk(BIOS_DEBUG, "New SMBASE=0x%08x IEDBASE=0x%08x\n",
+	       smbase, iedbase);
+
+	/* All threads need to set IEDBASE and SMBASE to the relocated
+	 * handler region. However, the save state location depends on the
+	 * smm_save_state_in_msrs field in the relocation parameters. If
+	 * smm_save_state_in_msrs is non-zero then the CPUs are relocating
+	 * the SMM handler in parallel, and each CPUs save state area is
+	 * located in their respective MSR space. If smm_save_state_in_msrs
+	 * is zero then the SMM relocation is happening serially so the
+	 * save state is at the same default location for all CPUs. */
+	if (relo_params->smm_save_state_in_msrs) {
+		msr_t smbase_msr;
+		msr_t iedbase_msr;
+
+		smbase_msr.lo = smbase;
+		smbase_msr.hi = 0;
+
+		/* According the BWG the IEDBASE MSR is in bits 63:32. It's
+		 * not clear why it differs from the SMBASE MSR. */
+		iedbase_msr.lo = 0;
+		iedbase_msr.hi = iedbase;
+
+		wrmsr(SMBASE_MSR, smbase_msr);
+		wrmsr(IEDBASE_MSR, iedbase_msr);
+	} else {
+		em64t101_smm_state_save_area_t *save_state;
+
+		save_state = (void *)(runtime->smbase + SMM_DEFAULT_SIZE -
+				      runtime->save_state_size);
+
+		save_state->smbase = smbase;
+		save_state->iedbase = iedbase;
+	}
+}
+
+/* Returns 1 if SMM MSR save state was set. */
+static int bsp_setup_msr_save_state(struct smm_relocation_params *relo_params)
+{
+	msr_t smm_mca_cap;
+
+	smm_mca_cap = rdmsr(SMM_MCA_CAP_MSR);
+	if (smm_mca_cap.hi & SMM_CPU_SVRSTR_MASK) {
+		msr_t smm_feature_control;
+
+		smm_feature_control = rdmsr(SMM_FEATURE_CONTROL_MSR);
+		smm_feature_control.hi = 0;
+		smm_feature_control.lo |= SMM_CPU_SAVE_EN;
+		wrmsr(SMM_FEATURE_CONTROL_MSR, smm_feature_control);
+		relo_params->smm_save_state_in_msrs = 1;
+	}
+	return relo_params->smm_save_state_in_msrs;
+}
+
+/* The relocation work is actually performed in SMM context, but the code
+ * resides in the ramstage module. This occurs by trampolining from the default
+ * SMRAM entry point to here. */
+static void asmlinkage cpu_smm_do_relocation(void *arg)
+{
+	msr_t mtrr_cap;
+	struct smm_relocation_params *relo_params;
+	const struct smm_module_params *p;
+	const struct smm_runtime *runtime;
+	int cpu;
+
+	p = arg;
+	runtime = p->runtime;
+	relo_params = p->arg;
+	cpu = p->cpu;
+
+	if (cpu >= CONFIG_MAX_CPUS) {
+		printk(BIOS_CRIT,
+		       "Invalid CPU number assigned in SMM stub: %d\n", cpu);
+		return;
+	}
+
+	printk(BIOS_DEBUG, "In relocation handler: cpu %d\n", cpu);
+
+	/* Determine if the processor supports saving state in MSRs. If so,
+	 * enable it before the non-BSPs run so that SMM relocation can occur
+	 * in parallel in the non-BSP CPUs. */
+	if (cpu == 0) {
+		/* If smm_save_state_in_msrs is 1 then that means this is the
+		 * 2nd time through the relocation handler for the BSP.
+		 * Parallel SMM handler relocation is taking place. However,
+		 * it is desired to access other CPUs save state in the real
+		 * SMM handler. Therefore, disable the SMM save state in MSRs
+		 * feature. */
+		if (relo_params->smm_save_state_in_msrs) {
+			msr_t smm_feature_control;
+
+			smm_feature_control = rdmsr(SMM_FEATURE_CONTROL_MSR);
+			smm_feature_control.lo &= ~SMM_CPU_SAVE_EN;
+			wrmsr(SMM_FEATURE_CONTROL_MSR, smm_feature_control);
+		} else if (bsp_setup_msr_save_state(relo_params))
+			/* Just return from relocation handler if MSR save
+			 * state is enabled. In that case the BSP will come
+			 * back into the relocation handler to setup the new
+			 * SMBASE as well disabling SMM save state in MSRs. */
+			return;
+	}
+
+	/* Make appropriate changes to the save state map. */
+	update_save_state(cpu, relo_params, runtime);
+
+	/* Write EMRR and SMRR MSRs based on indicated support. */
+	mtrr_cap = rdmsr(MTRRcap_MSR);
+	if (mtrr_cap.lo & SMRR_SUPPORTED)
+		write_smrr(relo_params);
+
+	if (mtrr_cap.lo & EMRR_SUPPORTED) {
+		write_emrr(relo_params);
+		/* UNCORE_EMRR msrs are package level. Therefore, only
+		 * configure these MSRs on the BSP. */
+		if (cpu == 0)
+			write_uncore_emrr(relo_params);
+	}
+}
+
+static u32 northbridge_get_base_reg(device_t dev, int reg)
+{
+	u32 value;
+
+	value = pci_read_config32(dev, reg);
+	/* Base registers are at 1MiB granularity. */
+	value &= ~((1 << 20) - 1);
+	return value;
+}
+
+static void fill_in_relocation_params(device_t dev,
+                                      struct smm_relocation_params *params)
+{
+	u32 tseg_size;
+	u32 tsegmb;
+	u32 bgsm;
+	u32 emrr_base;
+	u32 emrr_size;
+	int phys_bits;
+	/* All range registers are aligned to 4KiB */
+	const u32 rmask = ~((1 << 12) - 1);
+
+	/* Some of the range registers are dependent on the number of physical
+	 * address bits supported. */
+	phys_bits = cpuid_eax(0x80000008) & 0xff;
+
+	/* The range bounded by the TSEGMB and BGSM registers encompasses the
+	 * SMRAM range as well as the IED range. However, the SMRAM available
+	 * to the handler is 4MiB since the IEDRAM lives TSEGMB + 4MiB.
+	 */
+	tsegmb = northbridge_get_base_reg(dev, TSEG);
+	bgsm = northbridge_get_base_reg(dev, BGSM);
+	tseg_size = bgsm - tsegmb;
+
+	params->smram_base = tsegmb;
+	params->smram_size = 4 << 20;
+	params->ied_base = tsegmb + params->smram_size;
+	params->ied_size = tseg_size - params->smram_size;
+
+	/* Adjust available SMM handler memory size. */
+	params->smram_size -= CONFIG_SMM_RESERVED_SIZE;
+
+	/* SMRR has 32-bits of valid address aligned to 4KiB. */
+	params->smrr_base.lo = (params->smram_base & rmask) | MTRR_TYPE_WRBACK;
+	params->smrr_base.hi = 0;
+	params->smrr_mask.lo = (~(tseg_size - 1) & rmask) | MTRRphysMaskValid;
+	params->smrr_mask.hi = 0;
+
+	/* The EMRR and UNCORE_EMRR are at IEDBASE + 2MiB */
+	emrr_base = (params->ied_base + (2 << 20)) & rmask;
+	emrr_size = params->ied_size - (2 << 20);
+
+	/* EMRR has 46 bits of valid address aligned to 4KiB. It's dependent
+	 * on the number of physical address bits supported. */
+	params->emrr_base.lo = emrr_base | MTRR_TYPE_WRBACK;
+	params->emrr_base.hi = 0;
+	params->emrr_mask.lo = (~(emrr_size - 1) & rmask) | MTRRphysMaskValid;
+	params->emrr_mask.hi = (1 << (phys_bits - 32)) - 1;
+
+	/* UNCORE_EMRR has 39 bits of valid address aligned to 4KiB. */
+	params->uncore_emrr_base.lo = emrr_base;
+	params->uncore_emrr_base.hi = 0;
+	params->uncore_emrr_mask.lo = (~(emrr_size - 1) & rmask) |
+	                              MTRRphysMaskValid;
+	params->uncore_emrr_mask.hi = (1 << (39 - 32)) - 1;
+}
+
+static void adjust_apic_id_map(struct smm_loader_params *smm_params)
+{
+	struct smm_runtime *runtime;
+	int i;
+
+	/* Adjust the APIC id map if HT is disabled. */
+	if (!ht_disabled)
+		return;
+
+	runtime = smm_params->runtime;
+
+	/* The APIC ids increment by 2 when HT is disabled. */
+	for (i = 0; i < CONFIG_MAX_CPUS; i++)
+		runtime->apic_id_to_cpu[i] = runtime->apic_id_to_cpu[i] * 2;
+}
+
+static int install_relocation_handler(int num_cpus,
+                                      struct smm_relocation_params *relo_params)
+{
+	/* The default SMM entry can happen in parallel or serially. If the
+	 * default SMM entry is done in parallel the BSP has already setup
+	 * the saving state to each CPU's MSRs. At least one save state size
+	 * is required for the initial SMM entry for the BSP to determine if
+	 * parallel SMM relocation is even feasible.  Set the stack size to
+	 * the save state size, and call into the do_relocation handler. */
+	int save_state_size = sizeof(em64t101_smm_state_save_area_t);
+	struct smm_loader_params smm_params = {
+		.per_cpu_stack_size = save_state_size,
+		.num_concurrent_stacks = num_cpus,
+		.per_cpu_save_state_size = save_state_size,
+		.num_concurrent_save_states = 1,
+		.handler = (smm_handler_t)&cpu_smm_do_relocation,
+		.handler_arg = (void *)relo_params,
+	};
+
+	if (smm_setup_relocation_handler(&smm_params))
+		return -1;
+
+	adjust_apic_id_map(&smm_params);
+
+	return 0;
+}
+
+static void setup_ied_area(struct smm_relocation_params *params)
+{
+	char *ied_base;
+
+	struct ied_header ied = {
+		.signature = "INTEL RSVD",
+		.size = params->ied_size,
+		.reserved = {0},
+	};
+
+	ied_base = (void *)params->ied_base;
+
+	/* Place IED header at IEDBASE. */
+	memcpy(ied_base, &ied, sizeof(ied));
+
+	/* Zero out 32KiB at IEDBASE + 1MiB */
+	memset(ied_base + (1 << 20), 0, (32 << 10));
+}
+
+static int install_permanent_handler(int num_cpus,
+                                     struct smm_relocation_params *relo_params)
+{
+	/* There are num_cpus concurrent stacks and num_cpus concurrent save
+	 * state areas. Lastly, set the stack size to the save state size. */
+	int save_state_size = sizeof(em64t101_smm_state_save_area_t);
+	struct smm_loader_params smm_params = {
+		.per_cpu_stack_size = save_state_size,
+		.num_concurrent_stacks = num_cpus,
+		.per_cpu_save_state_size = save_state_size,
+		.num_concurrent_save_states = num_cpus,
+	};
+
+	printk(BIOS_DEBUG, "Installing SMM handler to 0x%08x\n",
+	       relo_params->smram_base);
+	if (smm_load_module((void *)relo_params->smram_base,
+	                     relo_params->smram_size, &smm_params))
+		return -1;
+
+	adjust_apic_id_map(&smm_params);
+
+	return 0;
+}
+
+static int cpu_smm_setup(void)
+{
+	device_t dev = SA_DEV_ROOT;
+	int num_cpus;
+	msr_t msr;
+
+	printk(BIOS_DEBUG, "Setting up SMI for CPU\n");
+
+	fill_in_relocation_params(dev, &smm_reloc_params);
+
+	setup_ied_area(&smm_reloc_params);
+
+	msr = rdmsr(CORE_THREAD_COUNT_MSR);
+	num_cpus = msr.lo & 0xffff;
+	if (num_cpus > CONFIG_MAX_CPUS) {
+		printk(BIOS_CRIT,
+		       "Error: Hardware CPUs (%d) > MAX_CPUS (%d)\n",
+		       num_cpus, CONFIG_MAX_CPUS);
+	}
+
+	if (install_relocation_handler(num_cpus, &smm_reloc_params)) {
+		printk(BIOS_CRIT, "SMM Relocation handler install failed.\n");
+		return -1;
+	}
+
+	if (install_permanent_handler(num_cpus, &smm_reloc_params)) {
+		printk(BIOS_CRIT, "SMM Permanent handler install failed.\n");
+		return -1;
+	}
+
+	/* Ensure the SMM handlers hit DRAM before performing first SMI. */
+	/* TODO(adurbin): Is this really needed? */
+	wbinvd();
+
+	return 0;
+}
+
+int smm_initialize(void)
+{
+	/* Return early if CPU SMM setup failed. */
+	if (cpu_smm_setup())
+		return -1;
+
+	/* Clear the SMM state in the southbridge. */
+	southbridge_smm_clear_state();
+
+	/* Run the relocation handler. */
+	smm_initiate_relocation();
+
+	if (smm_reloc_params.smm_save_state_in_msrs) {
+		printk(BIOS_DEBUG, "Doing parallel SMM relocation.\n");
+	}
+
+	return 0;
+}
+
+void smm_relocate(void)
+{
+	/*
+	 * If smm_save_state_in_msrs is non-zero then parallel SMM relocation
+	 * shall take place. Run the relocation handler a second time on the
+	 * BSP to do * the final move. For APs, a relocation handler always
+	 * needs to be run.
+	 */
+	if (smm_reloc_params.smm_save_state_in_msrs)
+		smm_initiate_relocation_parallel();
+	else if (!boot_cpu())
+		smm_initiate_relocation();
+}
+
+void smm_init(void)
+{
+	/* smm_init() is normally called from initialize_cpus() in
+	 * lapic_cpu_init.c. However, that path is no longer used. Don't reuse
+	 * the function name because that would cause confusion.
+	 * The smm_initialize() function above is used to setup SMM at the
+	 * appropriate time. */
+}
+
+void smm_lock(void)
+{
+	/* LOCK the SMM memory window and enable normal SMM.
+	 * After running this function, only a full reset can
+	 * make the SMM registers writable again.
+	 */
+	printk(BIOS_DEBUG, "Locking SMM.\n");
+	pci_write_config8(SA_DEV_ROOT, SMRAM, D_LCK | G_SMRAME | C_BASE_SEG);
+}
diff --git a/src/soc/intel/skylake/spi.c b/src/soc/intel/skylake/spi.c
new file mode 100644
index 0000000..36558a1
--- /dev/null
+++ b/src/soc/intel/skylake/spi.c
@@ -0,0 +1,680 @@
+/*
+ * Copyright (C) 2014 Google Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* This file is derived from the flashrom project. */
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <bootstate.h>
+#include <delay.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/pci_ids.h>
+#include <spi-generic.h>
+#include <soc/pci_devs.h>
+#include <soc/rcba.h>
+#include <soc/spi.h>
+
+#ifdef __SMM__
+#define pci_read_config_byte(dev, reg, targ)\
+	*(targ) = pci_read_config8(dev, reg)
+#define pci_read_config_word(dev, reg, targ)\
+	*(targ) = pci_read_config16(dev, reg)
+#define pci_read_config_dword(dev, reg, targ)\
+	*(targ) = pci_read_config32(dev, reg)
+#define pci_write_config_byte(dev, reg, val)\
+	pci_write_config8(dev, reg, val)
+#define pci_write_config_word(dev, reg, val)\
+	pci_write_config16(dev, reg, val)
+#define pci_write_config_dword(dev, reg, val)\
+	pci_write_config32(dev, reg, val)
+#else /* !__SMM__ */
+#include <device/device.h>
+#include <device/pci.h>
+#define pci_read_config_byte(dev, reg, targ)\
+	*(targ) = pci_read_config8(dev, reg)
+#define pci_read_config_word(dev, reg, targ)\
+	*(targ) = pci_read_config16(dev, reg)
+#define pci_read_config_dword(dev, reg, targ)\
+	*(targ) = pci_read_config32(dev, reg)
+#define pci_write_config_byte(dev, reg, val)\
+	pci_write_config8(dev, reg, val)
+#define pci_write_config_word(dev, reg, val)\
+	pci_write_config16(dev, reg, val)
+#define pci_write_config_dword(dev, reg, val)\
+	pci_write_config32(dev, reg, val)
+#endif /* !__SMM__ */
+
+typedef struct spi_slave ich_spi_slave;
+
+static int ichspi_lock = 0;
+
+typedef struct ich9_spi_regs {
+	uint32_t bfpr;
+	uint16_t hsfs;
+	uint16_t hsfc;
+	uint32_t faddr;
+	uint32_t _reserved0;
+	uint32_t fdata[16];
+	uint32_t frap;
+	uint32_t freg[5];
+	uint32_t _reserved1[3];
+	uint32_t pr[5];
+	uint32_t _reserved2[2];
+	uint8_t ssfs;
+	uint8_t ssfc[3];
+	uint16_t preop;
+	uint16_t optype;
+	uint8_t opmenu[8];
+	uint32_t bbar;
+	uint8_t _reserved3[12];
+	uint32_t fdoc;
+	uint32_t fdod;
+	uint8_t _reserved4[8];
+	uint32_t afc;
+	uint32_t lvscc;
+	uint32_t uvscc;
+	uint8_t _reserved5[4];
+	uint32_t fpb;
+	uint8_t _reserved6[28];
+	uint32_t srdl;
+	uint32_t srdc;
+	uint32_t srd;
+} __attribute__((packed)) ich9_spi_regs;
+
+typedef struct ich_spi_controller {
+	int locked;
+
+	uint8_t *opmenu;
+	int menubytes;
+	uint16_t *preop;
+	uint16_t *optype;
+	uint32_t *addr;
+	uint8_t *data;
+	unsigned databytes;
+	uint8_t *status;
+	uint16_t *control;
+	uint32_t *bbar;
+} ich_spi_controller;
+
+static ich_spi_controller cntlr;
+
+enum {
+	SPIS_SCIP =		0x0001,
+	SPIS_GRANT =		0x0002,
+	SPIS_CDS =		0x0004,
+	SPIS_FCERR =		0x0008,
+	SSFS_AEL =		0x0010,
+	SPIS_LOCK =		0x8000,
+	SPIS_RESERVED_MASK =	0x7ff0,
+	SSFS_RESERVED_MASK =	0x7fe2
+};
+
+enum {
+	SPIC_SCGO =		0x000002,
+	SPIC_ACS =		0x000004,
+	SPIC_SPOP =		0x000008,
+	SPIC_DBC =		0x003f00,
+	SPIC_DS =		0x004000,
+	SPIC_SME =		0x008000,
+	SSFC_SCF_MASK =		0x070000,
+	SSFC_RESERVED =		0xf80000
+};
+
+enum {
+	HSFS_FDONE =		0x0001,
+	HSFS_FCERR =		0x0002,
+	HSFS_AEL =		0x0004,
+	HSFS_BERASE_MASK =	0x0018,
+	HSFS_BERASE_SHIFT =	3,
+	HSFS_SCIP =		0x0020,
+	HSFS_FDOPSS =		0x2000,
+	HSFS_FDV =		0x4000,
+	HSFS_FLOCKDN =		0x8000
+};
+
+enum {
+	HSFC_FGO =		0x0001,
+	HSFC_FCYCLE_MASK =	0x0006,
+	HSFC_FCYCLE_SHIFT =	1,
+	HSFC_FDBC_MASK =	0x3f00,
+	HSFC_FDBC_SHIFT =	8,
+	HSFC_FSMIE =		0x8000
+};
+
+enum {
+	SPI_OPCODE_TYPE_READ_NO_ADDRESS =	0,
+	SPI_OPCODE_TYPE_WRITE_NO_ADDRESS =	1,
+	SPI_OPCODE_TYPE_READ_WITH_ADDRESS =	2,
+	SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS =	3
+};
+
+#if CONFIG_DEBUG_SPI_FLASH
+
+static u8 readb_(const void *addr)
+{
+	u8 v = read8(addr);
+	printk(BIOS_DEBUG, "read %2.2x from %4.4x\n",
+	       v, ((unsigned) addr & 0xffff) - 0xf020);
+	return v;
+}
+
+static u16 readw_(const void *addr)
+{
+	u16 v = read16(addr);
+	printk(BIOS_DEBUG, "read %4.4x from %4.4x\n",
+	       v, ((unsigned) addr & 0xffff) - 0xf020);
+	return v;
+}
+
+static u32 readl_(const void *addr)
+{
+	u32 v = read32(addr);
+	printk(BIOS_DEBUG, "read %8.8x from %4.4x\n",
+	       v, ((unsigned) addr & 0xffff) - 0xf020);
+	return v;
+}
+
+static void writeb_(u8 b, const void *addr)
+{
+	write8(addr, b);
+	printk(BIOS_DEBUG, "wrote %2.2x to %4.4x\n",
+	       b, ((unsigned) addr & 0xffff) - 0xf020);
+}
+
+static void writew_(u16 b, const void *addr)
+{
+	write16(addr, b);
+	printk(BIOS_DEBUG, "wrote %4.4x to %4.4x\n",
+	       b, ((unsigned) addr & 0xffff) - 0xf020);
+}
+
+static void writel_(u32 b, const void *addr)
+{
+	write32(addr, b);
+	printk(BIOS_DEBUG, "wrote %8.8x to %4.4x\n",
+	       b, ((unsigned) addr & 0xffff) - 0xf020);
+}
+
+#else /* CONFIG_DEBUG_SPI_FLASH ^^^ enabled  vvv NOT enabled */
+
+#define readb_(a) read8(a)
+#define readw_(a) read16(a)
+#define readl_(a) read32(a)
+#define writeb_(val, addr) write8(addr, val)
+#define writew_(val, addr) write16(addr, val)
+#define writel_(val, addr) write32(addr, val)
+
+#endif  /* CONFIG_DEBUG_SPI_FLASH ^^^ NOT enabled */
+
+static void write_reg(const void *value, void *dest, uint32_t size)
+{
+	const uint8_t *bvalue = value;
+	uint8_t *bdest = dest;
+
+	while (size >= 4) {
+		writel_(*(const uint32_t *)bvalue, bdest);
+		bdest += 4; bvalue += 4; size -= 4;
+	}
+	while (size) {
+		writeb_(*bvalue, bdest);
+		bdest++; bvalue++; size--;
+	}
+}
+
+static void read_reg(const void *src, void *value, uint32_t size)
+{
+	const uint8_t *bsrc = src;
+	uint8_t *bvalue = value;
+
+	while (size >= 4) {
+		*(uint32_t *)bvalue = readl_(bsrc);
+		bsrc += 4; bvalue += 4; size -= 4;
+	}
+	while (size) {
+		*bvalue = readb_(bsrc);
+		bsrc++; bvalue++; size--;
+	}
+}
+
+static void ich_set_bbar(uint32_t minaddr)
+{
+	const uint32_t bbar_mask = 0x00ffff00;
+	uint32_t ichspi_bbar;
+
+	minaddr &= bbar_mask;
+	ichspi_bbar = readl_(cntlr.bbar) & ~bbar_mask;
+	ichspi_bbar |= minaddr;
+	writel_(ichspi_bbar, cntlr.bbar);
+}
+
+struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs)
+{
+	ich_spi_slave *slave = malloc(sizeof(*slave));
+
+	if (!slave) {
+		printk(BIOS_DEBUG, "ICH SPI: Bad allocation\n");
+		return NULL;
+	}
+
+	memset(slave, 0, sizeof(*slave));
+
+	slave->bus = bus;
+	slave->cs = cs;
+	return slave;
+}
+
+void spi_init(void)
+{
+	uint8_t *rcrb; /* Root Complex Register Block */
+	uint32_t rcba; /* Root Complex Base Address */
+	uint8_t bios_cntl;
+	device_t dev = PCH_DEV_LPC;
+	ich9_spi_regs *ich9_spi;
+
+	pci_read_config_dword(dev, 0xf0, &rcba);
+	/* Bits 31-14 are the base address, 13-1 are reserved, 0 is enable. */
+	rcrb = (uint8_t *)(rcba & 0xffffc000);
+	ich9_spi = (ich9_spi_regs *)(rcrb + 0x3800);
+	ichspi_lock = readw_(&ich9_spi->hsfs) & HSFS_FLOCKDN;
+	cntlr.opmenu = ich9_spi->opmenu;
+	cntlr.menubytes = sizeof(ich9_spi->opmenu);
+	cntlr.optype = &ich9_spi->optype;
+	cntlr.addr = &ich9_spi->faddr;
+	cntlr.data = (uint8_t *)ich9_spi->fdata;
+	cntlr.databytes = sizeof(ich9_spi->fdata);
+	cntlr.status = &ich9_spi->ssfs;
+	cntlr.control = (uint16_t *)ich9_spi->ssfc;
+	cntlr.bbar = &ich9_spi->bbar;
+	cntlr.preop = &ich9_spi->preop;
+	ich_set_bbar(0);
+
+	/* Disable the BIOS write protect so write commands are allowed. */
+	pci_read_config_byte(dev, 0xdc, &bios_cntl);
+	bios_cntl &= ~(1 << 5);
+	pci_write_config_byte(dev, 0xdc, bios_cntl | 0x1);
+}
+
+#if ENV_RAMSTAGE
+static void spi_init_cb(void *unused)
+{
+	spi_init();
+}
+
+BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_ENTRY, spi_init_cb, NULL);
+#endif
+
+int spi_claim_bus(struct spi_slave *slave)
+{
+	/* Handled by ICH automatically. */
+	return 0;
+}
+
+void spi_release_bus(struct spi_slave *slave)
+{
+	/* Handled by ICH automatically. */
+}
+
+typedef struct spi_transaction {
+	const uint8_t *out;
+	uint32_t bytesout;
+	uint8_t *in;
+	uint32_t bytesin;
+	uint8_t type;
+	uint8_t opcode;
+	uint32_t offset;
+} spi_transaction;
+
+static inline void spi_use_out(spi_transaction *trans, unsigned bytes)
+{
+	trans->out += bytes;
+	trans->bytesout -= bytes;
+}
+
+static inline void spi_use_in(spi_transaction *trans, unsigned bytes)
+{
+	trans->in += bytes;
+	trans->bytesin -= bytes;
+}
+
+static void spi_setup_type(spi_transaction *trans)
+{
+	trans->type = 0xFF;
+
+	/* Try to guess spi type from read/write sizes. */
+	if (trans->bytesin == 0) {
+		if (trans->bytesout > 4)
+			/*
+			 * If bytesin = 0 and bytesout > 4, we presume this is
+			 * a write data operation, which is accompanied by an
+			 * address.
+			 */
+			trans->type = SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS;
+		else
+			trans->type = SPI_OPCODE_TYPE_WRITE_NO_ADDRESS;
+		return;
+	}
+
+	if (trans->bytesout == 1) { /* and bytesin is > 0 */
+		trans->type = SPI_OPCODE_TYPE_READ_NO_ADDRESS;
+		return;
+	}
+
+	if (trans->bytesout == 4) { /* and bytesin is > 0 */
+		trans->type = SPI_OPCODE_TYPE_READ_WITH_ADDRESS;
+	}
+
+	/* Fast read command is called with 5 bytes instead of 4 */
+	if (trans->out[0] == SPI_OPCODE_FAST_READ && trans->bytesout == 5) {
+		trans->type = SPI_OPCODE_TYPE_READ_WITH_ADDRESS;
+		--trans->bytesout;
+	}
+}
+
+static int spi_setup_opcode(spi_transaction *trans)
+{
+	uint16_t optypes;
+	uint8_t opmenu[cntlr.menubytes];
+
+	trans->opcode = trans->out[0];
+	spi_use_out(trans, 1);
+	if (!ichspi_lock) {
+		/* The lock is off, so just use index 0. */
+		writeb_(trans->opcode, cntlr.opmenu);
+		optypes = readw_(cntlr.optype);
+		optypes = (optypes & 0xfffc) | (trans->type & 0x3);
+		writew_(optypes, cntlr.optype);
+		return 0;
+	} else {
+		/* The lock is on. See if what we need is on the menu. */
+		uint8_t optype;
+		uint16_t opcode_index;
+
+		/* Write Enable is handled as atomic prefix */
+		if (trans->opcode == SPI_OPCODE_WREN)
+			return 0;
+
+		read_reg(cntlr.opmenu, opmenu, sizeof(opmenu));
+		for (opcode_index = 0; opcode_index < cntlr.menubytes;
+				opcode_index++) {
+			if (opmenu[opcode_index] == trans->opcode)
+				break;
+		}
+
+		if (opcode_index == cntlr.menubytes) {
+			printk(BIOS_DEBUG, "ICH SPI: Opcode %x not found\n",
+				trans->opcode);
+			return -1;
+		}
+
+		optypes = readw_(cntlr.optype);
+		optype = (optypes >> (opcode_index * 2)) & 0x3;
+		if (trans->type == SPI_OPCODE_TYPE_WRITE_NO_ADDRESS &&
+			optype == SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS &&
+			trans->bytesout >= 3) {
+			/* We guessed wrong earlier. Fix it up. */
+			trans->type = optype;
+		}
+		if (optype != trans->type) {
+			printk(BIOS_DEBUG, "ICH SPI: Transaction doesn't fit type %d\n",
+				optype);
+			return -1;
+		}
+		return opcode_index;
+	}
+}
+
+static int spi_setup_offset(spi_transaction *trans)
+{
+	/* Separate the SPI address and data. */
+	switch (trans->type) {
+	case SPI_OPCODE_TYPE_READ_NO_ADDRESS:
+	case SPI_OPCODE_TYPE_WRITE_NO_ADDRESS:
+		return 0;
+	case SPI_OPCODE_TYPE_READ_WITH_ADDRESS:
+	case SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS:
+		trans->offset = ((uint32_t)trans->out[0] << 16) |
+				((uint32_t)trans->out[1] << 8) |
+				((uint32_t)trans->out[2] << 0);
+		spi_use_out(trans, 3);
+		return 1;
+	default:
+		printk(BIOS_DEBUG, "Unrecognized SPI transaction type %#x\n", trans->type);
+		return -1;
+	}
+}
+
+/*
+ * Wait for up to 60ms til status register bit(s) turn 1 (in case wait_til_set
+ * below is True) or 0. In case the wait was for the bit(s) to set - write
+ * those bits back, which would cause resetting them.
+ *
+ * Return the last read status value on success or -1 on failure.
+ */
+static int ich_status_poll(u16 bitmask, int wait_til_set)
+{
+	int timeout = 6000; /* This will result in 60 ms */
+	u16 status = 0;
+
+	while (timeout--) {
+		status = readw_(cntlr.status);
+		if (wait_til_set ^ ((status & bitmask) == 0)) {
+			if (wait_til_set)
+				writew_((status & bitmask), cntlr.status);
+			return status;
+		}
+		udelay(10);
+	}
+
+	printk(BIOS_DEBUG, "ICH SPI: SCIP timeout, read %x, expected %x\n",
+		status, bitmask);
+	return -1;
+}
+
+unsigned int spi_crop_chunk(unsigned int cmd_len, unsigned int buf_len)
+{
+	return min(cntlr.databytes, buf_len);
+}
+
+int spi_xfer(struct spi_slave *slave, const void *dout,
+		unsigned int bytesout, void *din, unsigned int bytesin)
+{
+	uint16_t control;
+	int16_t opcode_index;
+	int with_address;
+	int status;
+
+	spi_transaction trans = {
+		dout, bytesout,
+		din, bytesin,
+		0xff, 0xff, 0
+	};
+
+	/* There has to always at least be an opcode. */
+	if (!bytesout || !dout) {
+		printk(BIOS_DEBUG, "ICH SPI: No opcode for transfer\n");
+		return -1;
+	}
+	/* Make sure if we read something we have a place to put it. */
+	if (bytesin != 0 && !din) {
+		printk(BIOS_DEBUG, "ICH SPI: Read but no target buffer\n");
+		return -1;
+	}
+
+	if (ich_status_poll(SPIS_SCIP, 0) == -1)
+		return -1;
+
+	writew_(SPIS_CDS | SPIS_FCERR, cntlr.status);
+
+	spi_setup_type(&trans);
+	if ((opcode_index = spi_setup_opcode(&trans)) < 0)
+		return -1;
+	if ((with_address = spi_setup_offset(&trans)) < 0)
+		return -1;
+
+	if (trans.opcode == SPI_OPCODE_WREN) {
+		/*
+		 * Treat Write Enable as Atomic Pre-Op if possible
+		 * in order to prevent the Management Engine from
+		 * issuing a transaction between WREN and DATA.
+		 */
+		if (!ichspi_lock)
+			writew_(trans.opcode, cntlr.preop);
+		return 0;
+	}
+
+	/* Preset control fields */
+	control = SPIC_SCGO | ((opcode_index & 0x07) << 4);
+
+	/* Issue atomic preop cycle if needed */
+	if (readw_(cntlr.preop))
+		control |= SPIC_ACS;
+
+	if (!trans.bytesout && !trans.bytesin) {
+		/* SPI addresses are 24 bit only */
+		if (with_address)
+			writel_(trans.offset & 0x00FFFFFF, cntlr.addr);
+
+		/*
+		 * This is a 'no data' command (like Write Enable), its
+		 * bytesout size was 1, decremented to zero while executing
+		 * spi_setup_opcode() above. Tell the chip to send the
+		 * command.
+		 */
+		writew_(control, cntlr.control);
+
+		/* wait for the result */
+		status = ich_status_poll(SPIS_CDS | SPIS_FCERR, 1);
+		if (status == -1)
+			return -1;
+
+		if (status & SPIS_FCERR) {
+			printk(BIOS_DEBUG, "ICH SPI: Command transaction error\n");
+			return -1;
+		}
+
+		return 0;
+	}
+
+	/*
+	 * Check if this is a write command attempting to transfer more bytes
+	 * than the controller can handle. Iterations for writes are not
+	 * supported here because each SPI write command needs to be preceded
+	 * and followed by other SPI commands, and this sequence is controlled
+	 * by the SPI chip driver.
+	 */
+	if (trans.bytesout > cntlr.databytes) {
+		printk(BIOS_DEBUG, "ICH SPI: Too much to write. Does your SPI chip driver use"
+		     " CONTROLLER_PAGE_LIMIT?\n");
+		return -1;
+	}
+
+	/*
+	 * Read or write up to databytes bytes at a time until everything has
+	 * been sent.
+	 */
+	while (trans.bytesout || trans.bytesin) {
+		uint32_t data_length;
+
+		/* SPI addresses are 24 bit only */
+		/* http://www.intel.com/content/dam/www/public/us/en/documents/datasheets/pentium-n3520-j2850-celeron-n2920-n2820-n2815-n2806-j1850-j1750-datasheet.pdf */
+		writel_(trans.offset & 0x00FFFFFF, cntlr.addr);
+
+		if (trans.bytesout)
+			data_length = min(trans.bytesout, cntlr.databytes);
+		else
+			data_length = min(trans.bytesin, cntlr.databytes);
+
+		/* Program data into FDATA0 to N */
+		if (trans.bytesout) {
+			write_reg(trans.out, cntlr.data, data_length);
+			spi_use_out(&trans, data_length);
+			if (with_address)
+				trans.offset += data_length;
+		}
+
+		/* Add proper control fields' values */
+		control &= ~((cntlr.databytes - 1) << 8);
+		control |= SPIC_DS;
+		control |= (data_length - 1) << 8;
+
+		/* write it */
+		writew_(control, cntlr.control);
+
+		/* Wait for Cycle Done Status or Flash Cycle Error. */
+		status = ich_status_poll(SPIS_CDS | SPIS_FCERR, 1);
+		if (status == -1)
+			return -1;
+
+		if (status & SPIS_FCERR) {
+			printk(BIOS_DEBUG, "ICH SPI: Data transaction error\n");
+			return -1;
+		}
+
+		if (trans.bytesin) {
+			read_reg(cntlr.data, trans.in, data_length);
+			spi_use_in(&trans, data_length);
+			if (with_address)
+				trans.offset += data_length;
+		}
+	}
+
+	/* Clear atomic preop now that xfer is done */
+	writew_(0, cntlr.preop);
+
+	return 0;
+}
+
+/* Use first empty Protected Range Register to cover region of flash */
+int spi_flash_protect(u32 start, u32 size)
+{
+	u32 end = start + size - 1;
+	u32 reg;
+	int prr;
+
+	/* Find first empty PRR */
+	for (prr = 0; prr < SPI_PRR_MAX; prr++) {
+		reg = SPIBAR32(SPI_PRR(prr));
+		if (reg == 0)
+			break;
+	}
+	if (prr >= SPI_PRR_MAX) {
+		printk(BIOS_ERR, "ERROR: No SPI PRR free!\n");
+		return -1;
+	}
+
+	/* Set protected range base and limit */
+	reg = ((end >> SPI_PRR_SHIFT) & SPI_PRR_MASK);
+	reg <<= SPI_PRR_LIMIT_SHIFT;
+	reg |= ((start >> SPI_PRR_SHIFT) & SPI_PRR_MASK);
+	reg |= SPI_PRR_WPE;
+
+	/* Set the PRR register and verify it is protected */
+	SPIBAR32(SPI_PRR(prr)) = reg;
+	reg = SPIBAR32(SPI_PRR(prr));
+	if (!(reg & SPI_PRR_WPE)) {
+		printk(BIOS_ERR, "ERROR: Unable to set SPI PRR %d\n", prr);
+		return -1;
+	}
+
+	printk(BIOS_INFO, "%s: PRR %d is enabled for range 0x%08x-0x%08x\n",
+	       __func__, prr, start, end);
+	return 0;
+}
diff --git a/src/soc/intel/skylake/stage_cache.c b/src/soc/intel/skylake/stage_cache.c
new file mode 100644
index 0000000..346e673
--- /dev/null
+++ b/src/soc/intel/skylake/stage_cache.c
@@ -0,0 +1,35 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <cbmem.h>
+#include <soc/smm.h>
+#include <stage_cache.h>
+#include <stdint.h>
+
+void stage_cache_external_region(void **base, size_t *size)
+{
+	/* The ramstage cache lives in the TSEG region.
+	 * The top of ram is defined to be the TSEG base address. */
+	u32 offset = smm_region_size();
+	offset -= CONFIG_IED_REGION_SIZE;
+	offset -= CONFIG_SMM_RESERVED_SIZE;
+
+	*base = (void *)(cbmem_top() + offset);
+	*size = CONFIG_SMM_RESERVED_SIZE;
+}
diff --git a/src/soc/intel/skylake/systemagent.c b/src/soc/intel/skylake/systemagent.c
new file mode 100644
index 0000000..d58cf21
--- /dev/null
+++ b/src/soc/intel/skylake/systemagent.c
@@ -0,0 +1,452 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <arch/acpi.h>
+#include <arch/io.h>
+#include <stdint.h>
+#include <delay.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <stdlib.h>
+#include <string.h>
+#include <cbmem.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+#include <soc/cpu.h>
+#include <soc/iomap.h>
+#include <soc/pci_devs.h>
+#include <soc/ramstage.h>
+#include <soc/systemagent.h>
+
+u8 systemagent_revision(void)
+{
+	return pci_read_config8(SA_DEV_ROOT, PCI_REVISION_ID);
+}
+
+static int get_pcie_bar(device_t dev, unsigned int index, u32 *base, u32 *len)
+{
+	u32 pciexbar_reg;
+
+	*base = 0;
+	*len = 0;
+
+	pciexbar_reg = pci_read_config32(dev, index);
+
+	if (!(pciexbar_reg & (1 << 0)))
+		return 0;
+
+	switch ((pciexbar_reg >> 1) & 3) {
+	case 0: // 256MB
+		*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|
+					(1 << 28));
+		*len = 256 * 1024 * 1024;
+		return 1;
+	case 1: // 128M
+		*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|
+					(1 << 28)|(1 << 27));
+		*len = 128 * 1024 * 1024;
+		return 1;
+	case 2: // 64M
+		*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|
+					(1 << 28)|(1 << 27)|(1 << 26));
+		*len = 64 * 1024 * 1024;
+		return 1;
+	}
+
+	return 0;
+}
+
+static int get_bar(device_t dev, unsigned int index, u32 *base, u32 *len)
+{
+	u32 bar;
+
+	bar = pci_read_config32(dev, index);
+
+	/* If not enabled don't report it. */
+	if (!(bar & 0x1))
+		return 0;
+
+	/* Knock down the enable bit. */
+	*base = bar & ~1;
+
+	return 1;
+}
+
+/* There are special BARs that actually are programmed in the MCHBAR. These
+ * Intel special features, but they do consume resources that need to be
+ * accounted for. */
+static int get_bar_in_mchbar(device_t dev, unsigned int index, u32 *base,
+                             u32 *len)
+{
+	u32 bar;
+
+	bar = MCHBAR32(index);
+
+	/* If not enabled don't report it. */
+	if (!(bar & 0x1))
+		return 0;
+
+	/* Knock down the enable bit. */
+	*base = bar & ~1;
+
+	return 1;
+}
+
+struct fixed_mmio_descriptor {
+	unsigned int index;
+	u32 size;
+	int (*get_resource)(device_t dev, unsigned int index,
+	                    u32 *base, u32 *size);
+	const char *description;
+};
+
+struct fixed_mmio_descriptor mc_fixed_resources[] = {
+	{ PCIEXBAR, 0,               get_pcie_bar,      "PCIEXBAR" },
+	{ MCHBAR,   MCH_BASE_SIZE,   get_bar,           "MCHBAR"   },
+	{ DMIBAR,   DMI_BASE_SIZE,   get_bar,           "DMIBAR"   },
+	{ EPBAR,    EP_BASE_SIZE,    get_bar,           "EPBAR"    },
+	{ GDXCBAR,  GDXC_BASE_SIZE,  get_bar_in_mchbar, "GDXCBAR"  },
+	{ EDRAMBAR, EDRAM_BASE_SIZE, get_bar_in_mchbar, "EDRAMBAR" },
+};
+
+/*
+ * Add all known fixed MMIO ranges that hang off the host bridge/memory
+ * controller device.
+ */
+static void mc_add_fixed_mmio_resources(device_t dev)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(mc_fixed_resources); i++) {
+		u32 base;
+		u32 size;
+		struct resource *resource;
+		unsigned int index;
+
+		size = mc_fixed_resources[i].size;
+		index = mc_fixed_resources[i].index;
+		if (!mc_fixed_resources[i].get_resource(dev, index,
+		                                        &base, &size))
+			continue;
+
+		resource = new_resource(dev, mc_fixed_resources[i].index);
+		resource->flags = IORESOURCE_MEM | IORESOURCE_FIXED |
+		                  IORESOURCE_STORED | IORESOURCE_RESERVE |
+		                  IORESOURCE_ASSIGNED;
+		resource->base = base;
+		resource->size = size;
+		printk(BIOS_DEBUG, "%s: Adding %s @ %x 0x%08lx-0x%08lx.\n",
+		       __func__, mc_fixed_resources[i].description, index,
+		       (unsigned long)base, (unsigned long)(base + size - 1));
+	}
+}
+
+/* Host Memory Map:
+ *
+ * +--------------------------+ TOUUD
+ * |                          |
+ * +--------------------------+ 4GiB
+ * |     PCI Address Space    |
+ * +--------------------------+ TOLUD (also maps into MC address space)
+ * |     iGD                  |
+ * +--------------------------+ BDSM
+ * |     GTT                  |
+ * +--------------------------+ BGSM
+ * |     TSEG                 |
+ * +--------------------------+ TSEGMB
+ * |     Usage DRAM           |
+ * +--------------------------+ 0
+ *
+ * Some of the base registers above can be equal making the size of those
+ * regions 0. The reason is because the memory controller internally subtracts
+ * the base registers from each other to determine sizes of the regions. In
+ * other words, the memory map is in a fixed order no matter what.
+ */
+
+struct map_entry {
+	int reg;
+	int is_64_bit;
+	int is_limit;
+	const char *description;
+};
+
+static void read_map_entry(device_t dev, struct map_entry *entry,
+                           uint64_t *result)
+{
+	uint64_t value;
+	uint64_t mask;
+
+	/* All registers are on a 1MiB granularity. */
+	mask = ((1ULL<<20)-1);
+	mask = ~mask;
+
+	value = 0;
+
+	if (entry->is_64_bit) {
+		value = pci_read_config32(dev, entry->reg + 4);
+		value <<= 32;
+	}
+
+	value |= pci_read_config32(dev, entry->reg);
+	value &= mask;
+
+	if (entry->is_limit)
+		value |= ~mask;
+
+	*result = value;
+}
+
+#define MAP_ENTRY(reg_, is_64_, is_limit_, desc_) \
+	{ \
+		.reg = reg_,           \
+		.is_64_bit = is_64_,   \
+		.is_limit = is_limit_, \
+		.description = desc_,  \
+	}
+
+#define MAP_ENTRY_BASE_64(reg_, desc_) \
+	MAP_ENTRY(reg_, 1, 0, desc_)
+#define MAP_ENTRY_LIMIT_64(reg_, desc_) \
+	MAP_ENTRY(reg_, 1, 1, desc_)
+#define MAP_ENTRY_BASE_32(reg_, desc_) \
+	MAP_ENTRY(reg_, 0, 0, desc_)
+
+enum {
+	TOM_REG,
+	TOUUD_REG,
+	MESEG_BASE_REG,
+	MESEG_LIMIT_REG,
+	REMAP_BASE_REG,
+	REMAP_LIMIT_REG,
+	TOLUD_REG,
+	BGSM_REG,
+	BDSM_REG,
+	TSEG_REG,
+	// Must be last.
+	NUM_MAP_ENTRIES
+};
+
+static struct map_entry memory_map[NUM_MAP_ENTRIES] = {
+	[TOM_REG] = MAP_ENTRY_BASE_64(TOM, "TOM"),
+	[TOUUD_REG] = MAP_ENTRY_BASE_64(TOUUD, "TOUUD"),
+	[MESEG_BASE_REG] = MAP_ENTRY_BASE_64(MESEG_BASE, "MESEG_BASE"),
+	[MESEG_LIMIT_REG] = MAP_ENTRY_LIMIT_64(MESEG_LIMIT, "MESEG_LIMIT"),
+	[REMAP_BASE_REG] = MAP_ENTRY_BASE_64(REMAPBASE, "REMAP_BASE"),
+	[REMAP_LIMIT_REG] = MAP_ENTRY_LIMIT_64(REMAPLIMIT, "REMAP_LIMIT"),
+	[TOLUD_REG] = MAP_ENTRY_BASE_32(TOLUD, "TOLUD"),
+	[BDSM_REG] = MAP_ENTRY_BASE_32(BDSM, "BDSM"),
+	[BGSM_REG] = MAP_ENTRY_BASE_32(BGSM, "BGSM"),
+	[TSEG_REG] = MAP_ENTRY_BASE_32(TSEG, "TESGMB"),
+};
+
+static void mc_read_map_entries(device_t dev, uint64_t *values)
+{
+	int i;
+	for (i = 0; i < NUM_MAP_ENTRIES; i++) {
+		read_map_entry(dev, &memory_map[i], &values[i]);
+	}
+}
+
+static void mc_report_map_entries(device_t dev, uint64_t *values)
+{
+	int i;
+	for (i = 0; i < NUM_MAP_ENTRIES; i++) {
+		printk(BIOS_DEBUG, "MC MAP: %s: 0x%llx\n",
+		       memory_map[i].description, values[i]);
+	}
+	/* One can validate the BDSM and BGSM against the GGC. */
+	printk(BIOS_DEBUG, "MC MAP: GGC: 0x%x\n", pci_read_config16(dev, GGC));
+}
+
+static void mc_add_dram_resources(device_t dev)
+{
+	unsigned long base_k, size_k;
+	unsigned long touud_k;
+	unsigned long index;
+	struct resource *resource;
+	uint64_t mc_values[NUM_MAP_ENTRIES];
+	unsigned long dpr_size = 0;
+	u32 dpr_reg;
+
+	/* Read in the MAP registers and report their values. */
+	mc_read_map_entries(dev, &mc_values[0]);
+	mc_report_map_entries(dev, &mc_values[0]);
+
+	/*
+	 * DMA Protected Range can be reserved below TSEG for PCODE patch
+	 * or TXT/BootGuard related data.  Rather than report a base address
+	 * the DPR register reports the TOP of the region, which is the same
+	 * as TSEG base.  The region size is reported in MiB in bits 11:4.
+	 */
+	dpr_reg = pci_read_config32(SA_DEV_ROOT, DPR);
+	if (dpr_reg & DPR_EPM) {
+		dpr_size = (dpr_reg & DPR_SIZE_MASK) << 16;
+		printk(BIOS_INFO, "DPR SIZE: 0x%lx\n", dpr_size);
+	}
+
+	/*
+	 * These are the host memory ranges that should be added:
+	 * - 0 -> 0xa0000: cacheable
+	 * - 0xc0000 -> TSEG : cacheable
+	 * - TESG -> BGSM: cacheable with standard MTRRs and reserved
+	 * - BGSM -> TOLUD: not cacheable with standard MTRRs and reserved
+	 * - 4GiB -> TOUUD: cacheable
+	 *
+	 * The default SMRAM space is reserved so that the range doesn't
+	 * have to be saved during S3 Resume. Once marked reserved the OS
+	 * cannot use the memory. This is a bit of an odd place to reserve
+	 * the region, but the CPU devices don't have dev_ops->read_resources()
+	 * called on them.
+	 *
+	 * The range 0xa0000 -> 0xc0000 does not have any resources
+	 * associated with it to handle legacy VGA memory. If this range
+	 * is not omitted the mtrr code will setup the area as cacheable
+	 * causing VGA access to not work.
+	 *
+	 * The TSEG region is mapped as cacheable so that one can perform
+	 * SMRAM relocation faster. Once the SMRR is enabled the SMRR takes
+	 * precedence over the existing MTRRs covering this region.
+	 *
+	 * It should be noted that cacheable entry types need to be added in
+	 * order. The reason is that the current MTRR code assumes this and
+	 * falls over itself if it isn't.
+	 *
+	 * The resource index starts low and should not meet or exceed
+	 * PCI_BASE_ADDRESS_0.
+	 */
+	index = 0;
+
+	/* 0 - > 0xa0000 */
+	base_k = 0;
+	size_k = (0xa0000 >> 10) - base_k;
+	ram_resource(dev, index++, base_k, size_k);
+
+	/* 0xc0000 -> TSEG - DPR */
+	base_k = 0xc0000 >> 10;
+	size_k = (unsigned long)(mc_values[TSEG_REG] >> 10) - base_k;
+	size_k -= dpr_size >> 10;
+	ram_resource(dev, index++, base_k, size_k);
+
+	/* TSEG - DPR -> BGSM */
+	resource = new_resource(dev, index++);
+	resource->base = mc_values[TSEG_REG] - dpr_size;
+	resource->size = mc_values[BGSM_REG] - resource->base;
+	resource->flags = IORESOURCE_MEM | IORESOURCE_FIXED |
+	                  IORESOURCE_STORED | IORESOURCE_RESERVE |
+	                  IORESOURCE_ASSIGNED | IORESOURCE_CACHEABLE;
+
+	/* BGSM -> TOLUD */
+	resource = new_resource(dev, index++);
+	resource->base = mc_values[BGSM_REG];
+	resource->size = mc_values[TOLUD_REG] - resource->base;
+	resource->flags = IORESOURCE_MEM | IORESOURCE_FIXED |
+	                  IORESOURCE_STORED | IORESOURCE_RESERVE |
+	                  IORESOURCE_ASSIGNED;
+
+	/* 4GiB -> TOUUD */
+	base_k = 4096 * 1024; /* 4GiB */
+	touud_k = mc_values[TOUUD_REG] >> 10;
+	size_k = touud_k - base_k;
+	if (touud_k > base_k)
+		ram_resource(dev, index++, base_k, size_k);
+
+	/* Reserve everything between A segment and 1MB:
+	 *
+	 * 0xa0000 - 0xbffff: legacy VGA
+	 * 0xc0000 - 0xfffff: RAM
+	 */
+	mmio_resource(dev, index++, (0xa0000 >> 10), (0xc0000 - 0xa0000) >> 10);
+	reserved_ram_resource(dev, index++, (0xc0000 >> 10),
+	                      (0x100000 - 0xc0000) >> 10);
+
+	chromeos_reserve_ram_oops(dev, index++);
+}
+
+static void systemagent_read_resources(device_t dev)
+{
+	/* Read standard PCI resources. */
+	pci_dev_read_resources(dev);
+
+	/* Add all fixed MMIO resources. */
+	mc_add_fixed_mmio_resources(dev);
+
+	/* Calculate and add DRAM resources. */
+	mc_add_dram_resources(dev);
+}
+
+static void systemagent_init(struct device *dev)
+{
+	u8 bios_reset_cpl, pair;
+
+	/* Enable Power Aware Interrupt Routing */
+	pair = MCHBAR8(MCH_PAIR);
+	pair &= ~0x7;	/* Clear 2:0 */
+	pair |= 0x4;	/* Fixed Priority */
+	MCHBAR8(MCH_PAIR) = pair;
+
+	/*
+	 * Set bits 0+1 of BIOS_RESET_CPL to indicate to the CPU
+	 * that BIOS has initialized memory and power management
+	 */
+	bios_reset_cpl = MCHBAR8(BIOS_RESET_CPL);
+	bios_reset_cpl |= 3;
+	MCHBAR8(BIOS_RESET_CPL) = bios_reset_cpl;
+	printk(BIOS_DEBUG, "Set BIOS_RESET_CPL\n");
+
+	/* Configure turbo power limits 1ms after reset complete bit */
+	mdelay(1);
+	set_power_limits(28);
+}
+
+unsigned long acpi_fill_slit(unsigned long current)
+{
+	// Not implemented
+	return current;
+}
+
+unsigned long acpi_fill_srat(unsigned long current)
+{
+	/* No NUMA, no SRAT */
+	return current;
+}
+
+static struct device_operations systemagent_ops = {
+	.read_resources   = &systemagent_read_resources,
+	.acpi_fill_ssdt_generator = &generate_cpu_entries,
+	.set_resources    = &pci_dev_set_resources,
+	.enable_resources = &pci_dev_enable_resources,
+	.init             = &systemagent_init,
+	.ops_pci          = &broadwell_pci_ops,
+};
+
+static const unsigned short systemagent_ids[] = {
+	0x0a04, /* Haswell ULT */
+	0x1604, /* Broadwell-U/Y */
+	0x1610, /* Broadwell-H Desktop */
+	0x1614, /* Broadwell-H Mobile */
+	0
+};
+
+static const struct pci_driver systemagent_driver __pci_driver = {
+	.ops     = &systemagent_ops,
+	.vendor  = PCI_VENDOR_ID_INTEL,
+	.devices = systemagent_ids
+};
diff --git a/src/soc/intel/skylake/tsc_freq.c b/src/soc/intel/skylake/tsc_freq.c
new file mode 100644
index 0000000..5487b16
--- /dev/null
+++ b/src/soc/intel/skylake/tsc_freq.c
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/tsc.h>
+#include <soc/cpu.h>
+#include <soc/msr.h>
+
+unsigned long tsc_freq_mhz(void)
+{
+	msr_t platform_info;
+
+	platform_info = rdmsr(MSR_PLATFORM_INFO);
+	return CPU_BCLK * ((platform_info.lo >> 8) & 0xff);
+}
diff --git a/src/soc/intel/skylake/usbdebug.c b/src/soc/intel/skylake/usbdebug.c
new file mode 100644
index 0000000..736a1a3
--- /dev/null
+++ b/src/soc/intel/skylake/usbdebug.c
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <usbdebug.h>
+#include <device/pci.h>
+#include <device/pci_def.h>
+#include <soc/pci_devs.h>
+
+void set_debug_port(unsigned int port)
+{
+	/* Hardcoded to physical port 1 */
+}
+
+void enable_usbdebug(unsigned int port)
+{
+	u32 tmp32;
+
+	tmp32 = pci_read_config32(PCH_DEV_EHCI, PCI_VENDOR_ID);
+	if (tmp32 == 0xffffffff || tmp32 == 0)
+		return;
+
+	/* Set the EHCI BAR address. */
+	pci_write_config32(PCH_DEV_EHCI, EHCI_BAR_INDEX, CONFIG_EHCI_BAR);
+
+	/* Enable access to the EHCI memory space registers. */
+	pci_write_config8(PCH_DEV_EHCI, PCI_COMMAND, PCI_COMMAND_MEMORY);
+
+	/* Force ownership of the Debug Port to the EHCI controller. */
+	tmp32 = read32(CONFIG_EHCI_BAR + CONFIG_EHCI_DEBUG_OFFSET);
+	tmp32 |= (1 << 30);
+	write32(CONFIG_EHCI_BAR + CONFIG_EHCI_DEBUG_OFFSET, tmp32);
+}
diff --git a/src/soc/intel/skylake/xhci.c b/src/soc/intel/skylake/xhci.c
new file mode 100644
index 0000000..9d0390e
--- /dev/null
+++ b/src/soc/intel/skylake/xhci.c
@@ -0,0 +1,241 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <delay.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <arch/io.h>
+#include <soc/ramstage.h>
+#include <soc/xhci.h>
+#include <soc/cpu.h>
+
+#ifdef __SMM__
+static u8 *usb_xhci_mem_base(device_t dev)
+{
+	u32 mem_base = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
+
+	/* Check if the controller is disabled or not present */
+	if (mem_base == 0 || mem_base == 0xffffffff)
+		return 0;
+
+	return (u8 *)(mem_base & ~0xf);
+}
+
+static int usb_xhci_port_count_usb3(device_t dev)
+{
+	/* PCH-LP has 4 SS ports */
+	return 4;
+}
+
+static void usb_xhci_reset_status_usb3(u8 *mem_base, int port)
+{
+	u8 *portsc = mem_base + XHCI_USB3_PORTSC(port);
+	u32 status = read32(portsc);
+	/* Do not set Port Enabled/Disabled field */
+	status &= ~XHCI_USB3_PORTSC_PED;
+	/* Clear all change status bits */
+	status |= XHCI_USB3_PORTSC_CHST;
+	write32(portsc, status);
+}
+
+static void usb_xhci_reset_port_usb3(u8 *mem_base, int port)
+{
+	u8 *portsc = mem_base + XHCI_USB3_PORTSC(port);
+	write32(portsc, read32(portsc) | XHCI_USB3_PORTSC_WPR);
+}
+
+#define XHCI_RESET_DELAY_US	1000 /* 1ms */
+#define XHCI_RESET_TIMEOUT	100  /* 100ms */
+
+/*
+ * 1) Wait until port is done polling
+ * 2) If port is disconnected
+ *  a) Issue warm port reset
+ *  b) Poll for warm reset complete
+ *  c) Write 1 to port change status bits
+ */
+static void usb_xhci_reset_usb3(device_t dev, int all)
+{
+	u32 status, port_disabled;
+	int timeout, port;
+	int port_count = usb_xhci_port_count_usb3(dev);
+	u8 *mem_base = usb_xhci_mem_base(dev);
+
+	if (!mem_base || !port_count)
+		return;
+
+	/* Get mask of disabled ports */
+	port_disabled = pci_read_config32(dev, XHCI_USB3PDO);
+
+	/* Wait until all enabled ports are done polling */
+	for (timeout = XHCI_RESET_TIMEOUT; timeout; timeout--) {
+		int complete = 1;
+		for (port = 0; port < port_count; port++) {
+			/* Skip disabled ports */
+			if (port_disabled & (1 << port))
+				continue;
+			/* Read port link status field */
+			status = read32(mem_base + XHCI_USB3_PORTSC(port));
+			status &= XHCI_USB3_PORTSC_PLS;
+			if (status == XHCI_PLSR_POLLING)
+				complete = 0;
+		}
+		/* Exit if all ports not polling */
+		if (complete)
+			break;
+		udelay(XHCI_RESET_DELAY_US);
+	}
+
+	/* Reset all requested ports */
+	for (port = 0; port < port_count; port++) {
+		u8 *portsc = mem_base + XHCI_USB3_PORTSC(port);
+		/* Skip disabled ports */
+		if (port_disabled & (1 << port))
+			continue;
+		status = read32(portsc) & XHCI_USB3_PORTSC_PLS;
+		/* Reset all or only disconnected ports */
+		if (all || (status == XHCI_PLSR_RXDETECT ||
+			    status == XHCI_PLSR_POLLING))
+			usb_xhci_reset_port_usb3(mem_base, port);
+		else
+			port_disabled |= 1 << port;
+	}
+
+	/* Wait for warm reset complete on all reset ports */
+	for (timeout = XHCI_RESET_TIMEOUT; timeout; timeout--) {
+		int complete = 1;
+		for (port = 0; port < port_count; port++) {
+			/* Only check ports that were reset */
+			if (port_disabled & (1 << port))
+				continue;
+			/* Check if warm reset is complete */
+			status = read32(mem_base + XHCI_USB3_PORTSC(port));
+			if (!(status & XHCI_USB3_PORTSC_WRC))
+				complete = 0;
+		}
+		/* Check for warm reset complete in any port */
+		if (complete)
+			break;
+		udelay(XHCI_RESET_DELAY_US);
+	}
+
+	/* Clear port change status bits */
+	for (port = 0; port < port_count; port++)
+		usb_xhci_reset_status_usb3(mem_base, port);
+}
+
+/* Handler for XHCI controller on entry to S3/S4/S5 */
+void usb_xhci_sleep_prepare(device_t dev, u8 slp_typ)
+{
+	u16 reg16;
+	u32 reg32;
+	u8 *mem_base = usb_xhci_mem_base(dev);
+	u8 is_broadwell = !!(cpu_family_model() == BROADWELL_FAMILY_ULT);
+
+	if (!mem_base || slp_typ < 3)
+		return;
+
+	/* Set D0 state */
+	reg16 = pci_read_config16(dev, XHCI_PWR_CTL_STS);
+	reg16 &= ~XHCI_PWR_CTL_SET_MASK;
+	reg16 |= XHCI_PWR_CTL_SET_D0;
+	pci_write_config16(dev, XHCI_PWR_CTL_STS, reg16);
+
+	if (!is_broadwell) {
+		/* This WA is only for lpt */
+
+		/* Clear PCI 0xB0[14:13] */
+		reg32 = pci_read_config32(dev, 0xb0);
+		reg32 &= ~((1 << 14) | (1 << 13));
+		pci_write_config32(dev, 0xb0, reg32);
+
+		/* Clear MMIO 0x816c[14,2] */
+		reg32 = read32(mem_base + 0x816c);
+		reg32 &= ~((1 << 14) | (1 << 2));
+		write32(mem_base + 0x816c, reg32);
+
+		/* Reset disconnected USB3 ports */
+		usb_xhci_reset_usb3(dev, 0);
+
+		/* Set MMIO 0x80e0[15] */
+		reg32 = read32(mem_base + 0x80e0);
+		reg32 |= (1 << 15);
+		write32(mem_base + 0x80e0, reg32);
+	} else {
+		/*
+		 * Clear port change status bits.  Clearing CSC alone seemed to
+		 * fix wakeup from S3 if entering USB compliance state even if
+		 * bit wasn't set on the port.
+		 */
+		int port;
+		for (port = 0; port < usb_xhci_port_count_usb3(dev); port++)
+			usb_xhci_reset_status_usb3(mem_base, port);
+	}
+
+	reg32 = read32(mem_base + 0x8154);
+	reg32 &= ~(1 << 31);
+	write32(mem_base + 0x8154, reg32);
+
+	/* Set D3Hot state and enable PME */
+	pci_or_config16(dev, XHCI_PWR_CTL_STS, XHCI_PWR_CTL_SET_D3);
+	pci_or_config16(dev, XHCI_PWR_CTL_STS, XHCI_PWR_CTL_STATUS_PME);
+	pci_or_config16(dev, XHCI_PWR_CTL_STS, XHCI_PWR_CTL_ENABLE_PME);
+}
+#else /* !__SMM__ */
+
+static void xhci_init(struct device *dev)
+{
+	struct resource *res = find_resource(dev, PCI_BASE_ADDRESS_0);
+	u16 reg16;
+	u32 reg32;
+
+	/* Ensure controller is in D0 state */
+	reg16 = pci_read_config16(dev, XHCI_PWR_CTL_STS);
+	reg16 &= ~XHCI_PWR_CTL_SET_MASK;
+	reg16 |= XHCI_PWR_CTL_SET_D0;
+	pci_write_config16(dev, XHCI_PWR_CTL_STS, reg16);
+
+	/* Disable Compliance Mode Entry */
+	reg32 = read32(res2mmio(res, 0x80ec, 0));
+	reg32 |= (1 << 0);
+	write32(res2mmio(res, 0x80ec, 0), reg32);
+}
+
+static struct device_operations usb_xhci_ops = {
+	.read_resources		= &pci_dev_read_resources,
+	.set_resources		= &pci_dev_set_resources,
+	.enable_resources	= &pci_dev_enable_resources,
+	.ops_pci		= &broadwell_pci_ops,
+	.init			= &xhci_init,
+};
+
+static const unsigned short pci_device_ids[] = {
+	0x9c31, /* LynxPoint-LP */
+	0x9cb1, /* WildcatPoint */
+	0
+};
+
+static const struct pci_driver pch_usb_xhci __pci_driver = {
+	.ops	 = &usb_xhci_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};
+#endif /* !__SMM__ */



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