[coreboot-gerrit] Patch set updated for coreboot: e6f651c Add FSP version on the Intel 206ax CPU core

Marc Jones (marc.jones@se-eng.com) gerrit at coreboot.org
Sat Nov 2 07:03:23 CET 2013


Marc Jones (marc.jones at se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4016

-gerrit

commit e6f651c600a161f34a446d10284a0a1ebcd36431
Author: Marc Jones <marc.jones at se-eng.com>
Date:   Tue Oct 29 17:46:54 2013 -0600

    Add FSP version on the Intel 206ax CPU core
    
    Add support for 206ax using the Intel FSP.
    The FSP is different enough to warrant it's own source files.
    
    Change-Id: I5105631af34e9c3a804ace908c4205f073abb9b4
    Signed-off-by: Marc Jones <marc.jones at se-eng.com>
---
 src/cpu/Kconfig                                  |  39 +-
 src/cpu/Makefile.inc                             |   8 +-
 src/cpu/intel/Kconfig                            |   1 +
 src/cpu/intel/Makefile.inc                       |   2 +
 src/cpu/intel/fsp_model_206ax/Kconfig            |  93 +++++
 src/cpu/intel/fsp_model_206ax/Makefile.inc       |  12 +
 src/cpu/intel/fsp_model_206ax/acpi.c             | 364 +++++++++++++++++++
 src/cpu/intel/fsp_model_206ax/acpi/cpu.asl       | 102 ++++++
 src/cpu/intel/fsp_model_206ax/bootblock.c        |  64 ++++
 src/cpu/intel/fsp_model_206ax/cache_as_ram.inc   | 294 +++++++++++++++
 src/cpu/intel/fsp_model_206ax/chip.h             |  37 ++
 src/cpu/intel/fsp_model_206ax/finalize.c         |  72 ++++
 src/cpu/intel/fsp_model_206ax/microcode_blob.c   |  24 ++
 src/cpu/intel/fsp_model_206ax/microcode_blob.h   |  33 ++
 src/cpu/intel/fsp_model_206ax/model_206ax.h      | 113 ++++++
 src/cpu/intel/fsp_model_206ax/model_206ax_init.c | 433 +++++++++++++++++++++++
 16 files changed, 1688 insertions(+), 3 deletions(-)

diff --git a/src/cpu/Kconfig b/src/cpu/Kconfig
index e48fe87..46b6f1c 100644
--- a/src/cpu/Kconfig
+++ b/src/cpu/Kconfig
@@ -77,10 +77,32 @@ config CPU_MICROCODE_IN_CBFS
 	bool
 	default n
 
+# The following options (BOARD_MICROCODE_CBFS_*) make it possible for the
+# microcode configuration to be selected in the board-level Kconfig.  If
+# you want your platform's microcode to be generated during the build,
+# add "select BOARD_MICROCODE_CBFS_GENERATE" to your mainboard's Kconfig.
+# If you want to use an external microcode file, add "select
+# BOARD_MICROCODE_CBFS_EXTERNAL" instead.  If neither of these statements
+# exists in your mainboard's configuration file (or if you include a
+# "select BOARD_MICROCODE_CBFS_NONE" statement), then the ROM image will
+# be built without any microcode.
+config BOARD_MICROCODE_CBFS_NONE
+	bool
+	default y
+
+config BOARD_MICROCODE_CBFS_GENERATE
+	bool
+	default n
+
+config BOARD_MICROCODE_CBFS_EXTERNAL
+	bool
+	default n
+
 choice
 	prompt "Include CPU microcode in CBFS" if ARCH_X86
-	default CPU_MICROCODE_CBFS_GENERATE if CPU_MICROCODE_IN_CBFS
-	default CPU_MICROCODE_CBFS_NONE if !CPU_MICROCODE_IN_CBFS
+	default CPU_MICROCODE_CBFS_GENERATE if CPU_MICROCODE_IN_CBFS && BOARD_MICROCODE_CBFS_GENERATE
+	default CPU_MICROCODE_CBFS_EXTERNAL if CPU_MICROCODE_IN_CBFS && BOARD_MICROCODE_CBFS_EXTERNAL
+	default CPU_MICROCODE_CBFS_NONE
 
 config CPU_MICROCODE_CBFS_GENERATE
 	bool "Generate from tree"
@@ -158,3 +180,16 @@ config CPU_MICROCODE_FILE
 	  default "cpu_microcode.bin"
 	  help
 	    The path and filename of the file containing the CPU microcode.
+
+config CPU_MICROCODE_CBFS_LOC
+	  hex "Microcode address in CBFS"
+	  depends on CPU_MICROCODE_IN_CBFS
+	  default 0
+
+config CPU_MICROCODE_CBFS_LEN
+	  hex "Microcode length in CBFS"
+	  depends on CPU_MICROCODE_IN_CBFS
+	  default 0xC000
+	  help
+		The microcode needs a specific length to get correctly
+		detected and loaded by all CPUs.
diff --git a/src/cpu/Makefile.inc b/src/cpu/Makefile.inc
index a860f67..34ae53e 100644
--- a/src/cpu/Makefile.inc
+++ b/src/cpu/Makefile.inc
@@ -28,6 +28,12 @@ cpu_ucode_cbfs_file = $(obj)/cpu_microcode_blob.bin
 cbfs_include_ucode = y
 endif
 
+ifneq ($(CONFIG_CPU_MICROCODE_CBFS_LOC), 0)
+cpu_ucode_cbfs_offset = "-b $(CONFIG_CPU_MICROCODE_CBFS_LOC)"
+else
+cpu_ucode_cbfs_offset = "-b"
+endif
+
 # In case we have more than one "source" (cough) files containing microcode, we
 # link them together in one large blob, so that we get all the microcode updates
 # in one file. This makes it easier for objcopy in the final step.
@@ -46,7 +52,7 @@ $(obj)/cpu_microcode_blob.bin: $(obj)/cpu_microcode_blob.o
 ifeq ($(cbfs_include_ucode),y)
 # Add CPU microcode to specified rom image $(1)
 add-cpu-microcode-to-cbfs = \
-	$(CBFSTOOL) $(1) locate -f $(cpu_ucode_cbfs_file) -n $(cpu_ucode_cbfs_name) -a 16 | xargs $(CBFSTOOL) $(1) add -n $(cpu_ucode_cbfs_name) -f $(cpu_ucode_cbfs_file) -t 0x53 -b
+	$(CBFSTOOL) $(1) locate -f $(cpu_ucode_cbfs_file) -n $(cpu_ucode_cbfs_name) -a 16 | xargs $(CBFSTOOL) $(1) add -n $(cpu_ucode_cbfs_name) -f $(cpu_ucode_cbfs_file) -t 0x53 $(cpu_ucode_cbfs_offset)
 else
 add-cpu-microcode-to-cbfs = true
 endif
diff --git a/src/cpu/intel/Kconfig b/src/cpu/intel/Kconfig
index 2bafa49..6f4f561 100644
--- a/src/cpu/intel/Kconfig
+++ b/src/cpu/intel/Kconfig
@@ -10,6 +10,7 @@ source src/cpu/intel/model_6fx/Kconfig
 source src/cpu/intel/model_1067x/Kconfig
 source src/cpu/intel/model_106cx/Kconfig
 source src/cpu/intel/model_206ax/Kconfig
+source src/cpu/intel/fsp_model_206ax/Kconfig
 source src/cpu/intel/model_2065x/Kconfig
 source src/cpu/intel/model_f0x/Kconfig
 source src/cpu/intel/model_f1x/Kconfig
diff --git a/src/cpu/intel/Makefile.inc b/src/cpu/intel/Makefile.inc
index 54624fb..964369d 100644
--- a/src/cpu/intel/Makefile.inc
+++ b/src/cpu/intel/Makefile.inc
@@ -19,6 +19,8 @@ subdirs-$(CONFIG_NORTHBRIDGE_INTEL_NEHALEM) += model_2065x
 subdirs-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += model_206ax
 subdirs-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += model_206ax
 subdirs-$(CONFIG_NORTHBRIDGE_INTEL_HASWELL) += haswell
+subdirs-$(CONFIG_NORTHBRIDGE_INTEL_FSP_SANDYBRIDGE) += fsp_model_206ax
+subdirs-$(CONFIG_NORTHBRIDGE_INTEL_FSP_IVYBRIDGE) += fsp_model_206ax
 subdirs-$(CONFIG_CPU_INTEL_SLOT_2) += slot_2
 subdirs-$(CONFIG_CPU_INTEL_SLOT_1) += slot_1
 subdirs-$(CONFIG_CPU_INTEL_SOCKET_LGA771) += socket_LGA771
diff --git a/src/cpu/intel/fsp_model_206ax/Kconfig b/src/cpu/intel/fsp_model_206ax/Kconfig
new file mode 100644
index 0000000..406f8a5
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/Kconfig
@@ -0,0 +1,93 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2013 Sage Electronic Engineering, LLC.
+##
+## 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
+##
+
+
+config CPU_INTEL_FSP_MODEL_206AX
+	bool
+
+config CPU_INTEL_FSP_MODEL_306AX
+	bool
+
+if CPU_INTEL_FSP_MODEL_206AX || CPU_INTEL_FSP_MODEL_306AX
+
+config CPU_SPECIFIC_OPTIONS
+	def_bool y
+	select SMP
+	select SSE2
+	select UDELAY_LAPIC
+	select SMM_TSEG
+	select CPU_MICROCODE_IN_CBFS if HAVE_FSP_BIN
+	select BOARD_MICROCODE_CBFS_GENERATE
+	select TSC_SYNC_MFENCE
+
+config BOOTBLOCK_CPU_INIT
+	string
+	default "cpu/intel/fsp_model_206ax/bootblock.c"
+
+config SERIAL_CPU_INIT
+	bool
+	default n
+
+config SMM_TSEG_SIZE
+	hex
+	default 0x800000
+
+config ENABLE_VMX
+	bool "Enable VMX for virtualization"
+	default n
+
+config CPU_MICROCODE_CBFS_LOC
+	hex
+	depends on CPU_MICROCODE_IN_CBFS
+	default 0xfff70000
+
+config CPU_MICROCODE_CBFS_LEN
+	hex
+	depends on CPU_MICROCODE_IN_CBFS
+	default 0xC000 if CPU_INTEL_FSP_MODEL_306AX
+	default 0x2800 if CPU_INTEL_FSP_MODEL_206AX
+
+config MICROCODE_INCLUDE_PATH
+	string "Location of the intel microcode patches"
+	default "../intel/cpu/ivybridge/microcode" if CPU_INTEL_FSP_MODEL_306AX
+	default "../intel/cpu/sandybridge/microcode" if CPU_INTEL_FSP_MODEL_206AX
+
+config FSP_IMAGE_ID_DWORD0
+	hex
+	default 0x2D325453 if CPU_INTEL_FSP_MODEL_306AX && SOUTHBRIDGE_INTEL_FSP_I89XX
+	default 0x2D324343 if CPU_INTEL_FSP_MODEL_306AX && SOUTHBRIDGE_INTEL_FSP_BD82X6X
+	  help
+	  The FSP Image ID is different for each platform's FSP and can be used to
+	  verify that the right FSP binary is loaded.
+	  For the ivybridge/89xx FSP, the Image Id will be "ST2-FSP\0",
+	  for ivybridge/bd82x6x FSPs, the Image Id will be "CC2-FSP\0",
+	  This dword holds the first 4 bytes of the string, as
+	  a hex value.
+
+config FSP_IMAGE_ID_DWORD1
+	hex
+	default 0x00505346
+	  help
+	  For the ivybridge/I89xx FSP, the Image Id will be "ST2-FSP\0",
+	  for ivybridge/bd82x6x FSPs, the Image Id will be "CC2-FSP\0",
+	  This dword holds the second 4 bytes of the string, as
+	  a hex value.  Since the strings use the same second dword,
+	  no additional logic is needed.
+
+endif
diff --git a/src/cpu/intel/fsp_model_206ax/Makefile.inc b/src/cpu/intel/fsp_model_206ax/Makefile.inc
new file mode 100644
index 0000000..1ea9c2a
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/Makefile.inc
@@ -0,0 +1,12 @@
+ramstage-y += model_206ax_init.c
+subdirs-y += ../../x86/name
+
+ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += acpi.c
+
+smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c
+
+cpu_microcode-$(CONFIG_CPU_MICROCODE_CBFS_GENERATE)  += microcode_blob.c
+
+cpu_incs += $(src)/cpu/intel/fsp_model_206ax/cache_as_ram.inc
+
+CC := $(CC) -I$(CONFIG_MICROCODE_INCLUDE_PATH)
diff --git a/src/cpu/intel/fsp_model_206ax/acpi.c b/src/cpu/intel/fsp_model_206ax/acpi.c
new file mode 100644
index 0000000..47e651f
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/acpi.c
@@ -0,0 +1,364 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2009 coresystems GmbH
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * 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 <console/console.h>
+#include <arch/acpi.h>
+#include <arch/acpigen.h>
+#include <arch/cpu.h>
+#include <cpu/x86/msr.h>
+#include <cpu/intel/speedstep.h>
+#include <cpu/intel/turbo.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include "model_206ax.h"
+#include "chip.h"
+
+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;
+}
+
+static int generate_cstate_entries(acpi_cstate_t *cstates,
+				   int c1, int c2, int c3)
+{
+	int length, cstate_count = 0;
+
+	/* Count number of active C-states */
+	if (c1 > 0)
+		++cstate_count;
+	if (c2 > 0)
+		++cstate_count;
+	if (c3 > 0)
+		++cstate_count;
+	if (!cstate_count)
+		return 0;
+
+	length = acpigen_write_package(cstate_count + 1);
+	length += acpigen_write_byte(cstate_count);
+
+	/* Add an entry if the level is enabled */
+	if (c1 > 0) {
+		cstates[c1].ctype = 1;
+		length += acpigen_write_CST_package_entry(&cstates[c1]);
+	}
+	if (c2 > 0) {
+		cstates[c2].ctype = 2;
+		length += acpigen_write_CST_package_entry(&cstates[c2]);
+	}
+	if (c3 > 0) {
+		cstates[c3].ctype = 3;
+		length += acpigen_write_CST_package_entry(&cstates[c3]);
+	}
+
+	acpigen_patch_len(length - 1);
+	return length;
+}
+
+static int generate_C_state_entries(void)
+{
+	struct cpu_info *info;
+	struct cpu_driver *cpu;
+	int len, lenif;
+	device_t lapic;
+	struct cpu_intel_fsp_model_206ax_config *conf = NULL;
+
+	/* Find the SpeedStep CPU in the device tree using magic APIC ID */
+	lapic = dev_find_lapic(SPEEDSTEP_APIC_MAGIC);
+	if (!lapic)
+		return 0;
+	conf = lapic->chip_info;
+	if (!conf)
+		return 0;
+
+	/* Find CPU map of supported C-states */
+	info = cpu_info();
+	if (!info)
+		return 0;
+	cpu = find_cpu_driver(info->cpu);
+	if (!cpu || !cpu->cstates)
+		return 0;
+
+	len = acpigen_emit_byte(0x14);		/* MethodOp */
+	len += acpigen_write_len_f();		/* PkgLength */
+	len += acpigen_emit_namestring("_CST");
+	len += acpigen_emit_byte(0x00);		/* No Arguments */
+
+	/* If running on AC power */
+	len += acpigen_emit_byte(0xa0);		/* IfOp */
+	lenif = acpigen_write_len_f();		/* PkgLength */
+	lenif += acpigen_emit_namestring("PWRS");
+	lenif += acpigen_emit_byte(0xa4);	/* ReturnOp */
+	lenif += generate_cstate_entries(cpu->cstates, conf->c1_acpower,
+					 conf->c2_acpower, conf->c3_acpower);
+	acpigen_patch_len(lenif - 1);
+	len += lenif;
+
+	/* Else on battery power */
+	len += acpigen_emit_byte(0xa4);	/* ReturnOp */
+	len += generate_cstate_entries(cpu->cstates, conf->c1_battery,
+					conf->c2_battery, conf->c3_battery);
+	acpigen_patch_len(len - 1);
+	return len;
+}
+
+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 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 int generate_P_state_entries(int core, int cores_per_package)
+{
+	int len, len_pss;
+	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 * SANDYBRIDGE_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 */
+	len = acpigen_write_empty_PCT();
+
+	/* Write _PPC with no limit on supported P-state */
+	len += acpigen_write_PPC_NVS();
+
+	/* Write PSD indicating configured coordination type */
+	len += acpigen_write_PSD_package(core, cores_per_package, coord_type);
+
+	/* Add P-state entries in _PSS table */
+	len += 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 */
+		len_pss = acpigen_write_package(num_entries + 2);
+
+		msr = rdmsr(MSR_TURBO_RATIO_LIMIT);
+		ratio_turbo = msr.lo & 0xff;
+
+		/* Add entry for Turbo ratio */
+		len_pss += 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 */
+		len_pss = acpigen_write_package(num_entries + 1);
+	}
+
+	/* First regular entry is max non-turbo ratio */
+	len_pss += 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 * SANDYBRIDGE_BCLK;
+
+		len_pss += 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 */
+	len_pss--;
+	acpigen_patch_len(len_pss);
+
+	return len + len_pss;
+}
+
+void generate_cpu_entries(void)
+{
+	int len_pr;
+	int coreID, cpuID, pcontrol_blk = PMB0_BASE, 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 */
+			len_pr = acpigen_write_processor(
+				(cpuID-1)*cores_per_package+coreID-1,
+				pcontrol_blk, plen);
+
+			/* Generate P-state tables */
+			len_pr += generate_P_state_entries(
+				cpuID-1, cores_per_package);
+
+			/* Generate C-state tables */
+			len_pr += generate_C_state_entries();
+
+			/* Generate T-state tables */
+			len_pr += generate_T_state_entries(
+				cpuID-1, cores_per_package);
+
+			len_pr--;
+			acpigen_patch_len(len_pr);
+		}
+	}
+}
+
+struct chip_operations cpu_intel_model_206ax_ops = {
+	CHIP_NAME("Intel SandyBridge/IvyBridge CPU")
+};
diff --git a/src/cpu/intel/fsp_model_206ax/acpi/cpu.asl b/src/cpu/intel/fsp_model_206ax/acpi/cpu.asl
new file mode 100644
index 0000000..558a9d3
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/acpi/cpu.asl
@@ -0,0 +1,102 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
+ *
+ * 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.CPU0, DeviceObj)
+External (\_PR.CPU1, DeviceObj)
+External (\_PR.CPU2, DeviceObj)
+External (\_PR.CPU3, DeviceObj)
+External (\_PR.CPU4, DeviceObj)
+External (\_PR.CPU5, DeviceObj)
+External (\_PR.CPU6, DeviceObj)
+External (\_PR.CPU7, DeviceObj)
+
+/* Notify OS to re-read CPU tables, assuming ^2 CPU count */
+Method (PNOT)
+{
+	If (LGreaterEqual (\PCNT, 2)) {
+		Notify (\_PR.CPU0, 0x81)  // _CST
+		Notify (\_PR.CPU1, 0x81)  // _CST
+	}
+	If (LGreaterEqual (\PCNT, 4)) {
+		Notify (\_PR.CPU2, 0x81)  // _CST
+		Notify (\_PR.CPU3, 0x81)  // _CST
+	}
+	If (LGreaterEqual (\PCNT, 8)) {
+		Notify (\_PR.CPU4, 0x81)  // _CST
+		Notify (\_PR.CPU5, 0x81)  // _CST
+		Notify (\_PR.CPU6, 0x81)  // _CST
+		Notify (\_PR.CPU7, 0x81)  // _CST
+	}
+}
+
+/* Notify OS to re-read CPU _PPC limit, assuming ^2 CPU count */
+Method (PPCN)
+{
+	If (LGreaterEqual (\PCNT, 2)) {
+		Notify (\_PR.CPU0, 0x80)  // _PPC
+		Notify (\_PR.CPU1, 0x80)  // _PPC
+	}
+	If (LGreaterEqual (\PCNT, 4)) {
+		Notify (\_PR.CPU2, 0x80)  // _PPC
+		Notify (\_PR.CPU3, 0x80)  // _PPC
+	}
+	If (LGreaterEqual (\PCNT, 8)) {
+		Notify (\_PR.CPU4, 0x80)  // _PPC
+		Notify (\_PR.CPU5, 0x80)  // _PPC
+		Notify (\_PR.CPU6, 0x80)  // _PPC
+		Notify (\_PR.CPU7, 0x80)  // _PPC
+	}
+}
+
+/* Notify OS to re-read Throttle Limit tables, assuming ^2 CPU count */
+Method (TNOT)
+{
+	If (LGreaterEqual (\PCNT, 2)) {
+		Notify (\_PR.CPU0, 0x82)  // _TPC
+		Notify (\_PR.CPU1, 0x82)  // _TPC
+	}
+	If (LGreaterEqual (\PCNT, 4)) {
+		Notify (\_PR.CPU2, 0x82)  // _TPC
+		Notify (\_PR.CPU3, 0x82)  // _TPC
+	}
+	If (LGreaterEqual (\PCNT, 8)) {
+		Notify (\_PR.CPU4, 0x82)  // _TPC
+		Notify (\_PR.CPU5, 0x82)  // _TPC
+		Notify (\_PR.CPU6, 0x82)  // _TPC
+		Notify (\_PR.CPU7, 0x82)  // _TPC
+	}
+}
+
+/* Return a package containing enabled processor entries */
+Method (PPKG)
+{
+	If (LGreaterEqual (\PCNT, 8)) {
+		Return (Package() {\_PR.CPU0, \_PR.CPU1, \_PR.CPU2, \_PR.CPU3,
+				   \_PR.CPU4, \_PR.CPU5, \_PR.CPU6, \_PR.CPU7})
+	} ElseIf (LGreaterEqual (\PCNT, 4)) {
+		Return (Package() {\_PR.CPU0, \_PR.CPU1, \_PR.CPU2, \_PR.CPU3})
+	} ElseIf (LGreaterEqual (\PCNT, 2)) {
+		Return (Package() {\_PR.CPU0, \_PR.CPU1})
+	} Else {
+		Return (Package() {\_PR.CPU0})
+	}
+}
diff --git a/src/cpu/intel/fsp_model_206ax/bootblock.c b/src/cpu/intel/fsp_model_206ax/bootblock.c
new file mode 100644
index 0000000..338b8c9
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/bootblock.c
@@ -0,0 +1,64 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 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 "model_206ax.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 */
+	/* FIXME: It only support 4G less range */
+	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();
+	set_var_mtrr(1, 0xffc00000, 4*1024*1024, MTRR_TYPE_WRPROT);
+	enable_cache();
+
+	/* Enable Variable MTRRs */
+	msr.hi = 0x00000000;
+	msr.lo = 0x00000800;
+	wrmsr(MTRRdefType_MSR, msr);
+}
+
+
+
+static void bootblock_cpu_init(void)
+{
+	enable_rom_caching();
+}
diff --git a/src/cpu/intel/fsp_model_206ax/cache_as_ram.inc b/src/cpu/intel/fsp_model_206ax/cache_as_ram.inc
new file mode 100644
index 0000000..a4f0d0b
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/cache_as_ram.inc
@@ -0,0 +1,294 @@
+/*
+ * 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) 2013 Sage Electronic Engineering, LLC.
+ *
+ * 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/stack.h>
+#include <cpu/x86/mtrr.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/post_code.h>
+#include <cbmem.h>
+
+#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
+#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
+
+#define CPU_PHYSMASK_HI  (1 << (CONFIG_CPU_ADDR_BITS - 32) - 1)
+#define LHLT_DELAY	0x50000		/* delay between post codes on FSP failure */
+#define NoEvictMod_MSR 0x2e0
+
+cache_as_ram:
+	post_code(0x20)
+
+#if CONFIG_HAVE_FSP_BIN
+	/* 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
+
+	/* Init floating point */
+	emms
+	fninit
+
+	/*
+	 * Find the FSP binary in cbfs.
+	 * Make a fake stack that has the return value back to this code.
+	 */
+	lea   fake_fsp_stack, %esp
+	jmp   find_fsp
+find_fsp_ret:
+	/* Save the FSP location */
+	mov   %eax,   %ebp
+	cmp   $CONFIG_FSP_LOC, %eax
+	jb   halt1
+
+	post_code(0x22)
+
+	/* Calculate entry into FSP */
+	mov   0x30(%ebp), %eax	/* Load TempRamInitEntry */
+	add   0x1c(%ebp), %eax	/* add in the offset for the FSP base address */
+
+	/*
+	 * Pass early init variables on a fake stack (no memory yet)
+	 * as well as the return location
+	 */
+	lea   CAR_init_stack, %esp
+
+	/* call FSP binary to setup temporary stack */
+	jmp   *%eax
+
+CAR_init_done:
+	addl  $4, %esp
+	cmp   $0, %eax
+	jne   halt2
+
+	/* Save FSP_INFO_HEADER location in ebx */
+	mov    %ebp, %ebx
+
+	/*
+	 * setup bootloader stack
+	 * ecx:  stack base
+	 * edx:  stack top
+	 */
+	lea   -4(%edx), %esp
+	movl	%esp, %ebp
+
+before_romstage:
+	post_code(0x23)
+
+	/* Call romstage.c main function. */
+	pushl   %ebx
+	call	main
+
+romstage_main_return:
+	post_code(0x2f)
+
+/* 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(0x32)
+
+	/* 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(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)
+
+	/* Enable Write Back and Speculative Reads for the first MB
+	 * and coreboot_ram.
+	 */
+	movl	$MTRRphysBase_MSR(0), %ecx
+	movl	$(0x00000000 | MTRR_TYPE_WRBACK), %eax
+	xorl	%edx, %edx
+	wrmsr
+	movl	$MTRRphysMask_MSR(0), %ecx
+	movl	$(~(CONFIG_RAMTOP - 1) | MTRRphysMaskValid), %eax
+	movl	$CPU_PHYSMASK_HI, %edx	// 36bit address space
+	wrmsr
+
+#if CONFIG_CACHE_ROM_SIZE
+	/* Enable Caching and speculative Reads for the
+	 * complete ROM now that we actually have RAM.
+	 */
+	movl	$MTRRphysBase_MSR(1), %ecx
+	movl	$(CACHE_ROM_BASE | MTRR_TYPE_WRPROT), %eax
+	xorl	%edx, %edx
+	wrmsr
+	movl	$MTRRphysMask_MSR(1), %ecx
+	movl	$(~(CONFIG_CACHE_ROM_SIZE - 1) | MTRRphysMaskValid), %eax
+	movl	$CPU_PHYSMASK_HI, %edx
+	wrmsr
+#endif
+
+	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(0x3d)
+
+	/* Clear boot_complete flag. */
+	xorl	%ebp, %ebp
+__main:
+	post_code(POST_PREPARE_RAMSTAGE)
+	cld			/* Clear direction flag. */
+
+	movl	%ebp, %esi
+
+	movl	$ROMSTAGE_STACK, %esp
+	movl	%esp, %ebp
+	pushl	%esi
+	call	copy_and_run
+
+halt1:
+	/*
+	 * Failures for postcode 0xBA - failed in find_fsp()
+	 *
+	 * Values are:
+	 * 0x01 - FV signature, "_FVH" not present
+	 * 0x02 - FFS GUID not present
+	 * 0x03 - FSP INFO Header not found
+	 * 0x04 - ImageBase does not equal CONFIG_FSP_LOC - Is the FSP rebased to
+	 *        a different location, or does it need to be?
+	 * 0x05 - FSP INFO Header signature "FSPH" not found
+	 * 0x06 - FSP Image ID is not the expected ID.
+	 *        For ivybridge_bd82x6x, the ID is expected to be 'CC2-FSP\0'
+	 *        For ivybridge_i89xx, the ID is expected to be 'ST2-FSP\0'
+	 *
+	 */
+	movb 	$0xBA, %ah
+	jmp	.Lhlt
+
+halt2:
+	/*
+	 * Failures for postcode 0xBB - failed in the FSP:
+	 *
+	 * 0x00 - FSP_SUCCESS: Temp RAM was initialized successfully.
+	 * 0x02 - FSP_INVALID_PARAMETER: Input parameters are invalid.
+	 * 0x0E - FSP_NOT_FOUND: No valid microcode was found in the microcode region.
+	 * 0x03 - FSP_UNSUPPORTED: The FSP calling conditions were not met.
+	 * 0x07 - FSP_DEVICE_ERROR: Temp RAM initialization failed
+	 * 0x14 - FSP_ALREADY_STARTED: Temp RAM initialization has been invoked
+	 */
+	movb	$0xBB, %ah
+
+.Lhlt:
+	xchg %al, %ah
+#if CONFIG_IO_POST
+	outb    %al, $CONFIG_IO_POST_PORT
+#else
+	post_code(POST_DEAD_CODE)
+#endif
+	movl $LHLT_DELAY, %ecx
+.Lhlt_Delay:
+	outb	%al, $0xED
+	loop	.Lhlt_Delay
+	jmp	.Lhlt
+
+	.align 4
+fake_fsp_stack:
+	.long  find_fsp_ret
+
+CAR_init_params:
+	.long  CONFIG_CPU_MICROCODE_CBFS_LOC
+	.long  CONFIG_CPU_MICROCODE_CBFS_LEN	/* Microcode Length */
+	.long  0xFFFFFFFF - CONFIG_ROM_SIZE + 1	/* Firmware Location */
+	.long  CONFIG_ROM_SIZE	/* Total Firmware Length */
+
+CAR_init_stack:
+	.long  CAR_init_done
+	.long  CAR_init_params
+
+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:
+
+#endif	/* CONFIG_HAVE_FSP_BIN */
\ No newline at end of file
diff --git a/src/cpu/intel/fsp_model_206ax/chip.h b/src/cpu/intel/fsp_model_206ax/chip.h
new file mode 100644
index 0000000..afa5774
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/chip.h
@@ -0,0 +1,37 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors.  All rights reserved.
+ *
+ * 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
+ */
+
+/* Magic value used to locate this chip in the device tree */
+#define SPEEDSTEP_APIC_MAGIC 0xACAC
+
+struct cpu_intel_fsp_model_206ax_config {
+	u8 disable_acpi;	/* Do not generate CPU ACPI tables */
+
+	u8 pstate_coord_type;	/* Processor Coordination Type */
+
+	int c1_battery;		/* ACPI C1 on Battery Power */
+	int c2_battery;		/* ACPI C2 on Battery Power */
+	int c3_battery;		/* ACPI C3 on Battery Power */
+
+	int c1_acpower;		/* ACPI C1 on AC Power */
+	int c2_acpower;		/* ACPI C2 on AC Power */
+	int c3_acpower;		/* ACPI C3 on AC Power */
+
+	int tcc_offset;		/* TCC Activation Offset */
+};
diff --git a/src/cpu/intel/fsp_model_206ax/finalize.c b/src/cpu/intel/fsp_model_206ax/finalize.c
new file mode 100644
index 0000000..4ed5d1e
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/finalize.c
@@ -0,0 +1,72 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
+ *
+ * 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 <stdlib.h>
+#include <cpu/cpu.h>
+#include <cpu/x86/msr.h>
+#include "model_206ax.h"
+
+static void msr_set_bit(unsigned reg, unsigned bit)
+{
+	msr_t msr = rdmsr(reg);
+
+	if (bit < 32) {
+		if (msr.lo & (1 << bit))
+			return;
+		msr.lo |= 1 << bit;
+	} else {
+		if (msr.hi & (1 << (bit - 32)))
+			return;
+		msr.hi |= 1 << (bit - 32);
+	}
+
+	wrmsr(reg, msr);
+}
+
+void intel_model_206ax_finalize_smm(void)
+{
+	msr_set_bit(MSR_PMG_CST_CONFIG_CONTROL, 15);
+
+	/* Lock AES-NI only if supported */
+	if (cpuid_ecx(1) & (1 << 25))
+		msr_set_bit(MSR_FEATURE_CONFIG, 0);
+
+#ifdef LOCK_POWER_CONTROL_REGISTERS
+	/*
+	 * Lock the power control registers.
+	 *
+	 * These registers can be left unlocked if modifying power
+	 * limits from the OS is desirable. Modifying power limits
+	 * from the OS can be especially useful for experimentation
+	 * during  early phases of system bringup while the thermal
+	 * power envelope is being proven.
+	 */
+
+	msr_set_bit(MSR_PP0_CURRENT_CONFIG, 31);
+	msr_set_bit(MSR_PP1_CURRENT_CONFIG, 31);
+	msr_set_bit(MSR_PKG_POWER_LIMIT, 63);
+	msr_set_bit(MSR_PP0_POWER_LIMIT, 31);
+	msr_set_bit(MSR_PP1_POWER_LIMIT, 31);
+#endif
+
+	msr_set_bit(MSR_MISC_PWR_MGMT, 22);
+	msr_set_bit(MSR_LT_LOCK_MEMORY, 0);
+}
diff --git a/src/cpu/intel/fsp_model_206ax/microcode_blob.c b/src/cpu/intel/fsp_model_206ax/microcode_blob.c
new file mode 100644
index 0000000..8bd790a
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/microcode_blob.c
@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 The ChromiumOS Authors.  All rights reserved.
+ *
+ * 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[] = {
+#if IS_ENABLED(CONFIG_CPU_MICROCODE_IN_CBFS)
+#include "microcode_blob.h"
+#endif
+};
diff --git a/src/cpu/intel/fsp_model_206ax/microcode_blob.h b/src/cpu/intel/fsp_model_206ax/microcode_blob.h
new file mode 100644
index 0000000..e56bef1
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/microcode_blob.h
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Google Inc.
+ * Copyright (C) 2013 Sage Electronic Engineering, LLC.
+ *
+ * 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
+ */
+
+#if IS_ENABLED(CONFIG_CPU_INTEL_FSP_MODEL_206AX)
+	/* Size is 0x2800 - Update in Kconfigs when any included file changes*/
+	#include <microcode-m12206a7_00000029.h>
+#endif
+
+#if IS_ENABLED(CONFIG_CPU_INTEL_FSP_MODEL_306AX)
+	/* Size is 0xC000 - Update in Kconfigs when any included file changes*/
+	#include <microcode-m12306a2_00000008.h>
+	#include <microcode-m12306a4_00000007.h>
+	#include <microcode-m12306a5_00000007.h>
+	#include <microcode-m12306a8_00000010.h>
+	#include <microcode-m12306a9_00000019.h>
+#endif
diff --git a/src/cpu/intel/fsp_model_206ax/model_206ax.h b/src/cpu/intel/fsp_model_206ax/model_206ax.h
new file mode 100644
index 0000000..a7ca04a
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/model_206ax.h
@@ -0,0 +1,113 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
+ *
+ * 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 _CPU_INTEL_MODEL_206AX_H
+#define _CPU_INTEL_MODEL_206AX_H
+
+/* SandyBridge/IvyBridge bus clock is fixed at 100MHz */
+#define SANDYBRIDGE_BCLK		100
+
+#define IA32_FEATURE_CONTROL		0x3a
+#define  CPUID_VMX			(1 << 5)
+#define  CPUID_SMX			(1 << 6)
+#define MSR_FEATURE_CONFIG		0x13c
+#define MSR_FLEX_RATIO			0x194
+#define  FLEX_RATIO_LOCK		(1 << 20)
+#define  FLEX_RATIO_EN			(1 << 16)
+#define IA32_PLATFORM_DCA_CAP		0x1f8
+#define IA32_MISC_ENABLE		0x1a0
+#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 MSR_LT_LOCK_MEMORY		0x2e7
+#define IA32_MC0_STATUS 		0x401
+
+#define MSR_PIC_MSG_CONTROL		0x2e
+#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_MISC_PWR_MGMT		0x1aa
+#define  MISC_PWR_MGMT_EIST_HW_DIS	(1 << 0)
+#define MSR_TURBO_RATIO_LIMIT		0x1ad
+#define MSR_POWER_CTL			0x1fc
+
+#define MSR_PKGC3_IRTL			0x60a
+#define MSR_PKGC6_IRTL			0x60b
+#define MSR_PKGC7_IRTL			0x60c
+#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)
+
+/* 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_PP0_CURRENT_CONFIG		0x601
+#define  PP0_CURRENT_LIMIT		(112 << 3) /* 112 A */
+#define MSR_PP1_CURRENT_CONFIG		0x602
+#define  PP1_CURRENT_LIMIT_SNB		(35 << 3) /* 35 A */
+#define  PP1_CURRENT_LIMIT_IVB		(50 << 3) /* 50 A */
+#define MSR_PKG_POWER_SKU_UNIT		0x606
+#define MSR_PKG_POWER_SKU		0x614
+#define MSR_PP0_POWER_LIMIT		0x638
+#define MSR_PP1_POWER_LIMIT		0x640
+
+#define IVB_CONFIG_TDP_MIN_CPUID	0x306a2
+#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
+
+/* P-state configuration */
+#define PSS_MAX_ENTRIES			8
+#define PSS_RATIO_STEP			2
+#define PSS_LATENCY_TRANSITION		10
+#define PSS_LATENCY_BUSMASTER		10
+
+#ifndef __ROMCC__
+#ifdef __SMM__
+/* Lock MSRs */
+void intel_model_206ax_finalize_smm(void);
+#else
+/* Configure power limits for turbo mode */
+void set_power_limits(u8 power_limit_1_time);
+int cpu_config_tdp_levels(void);
+#endif
+#endif
+
+#endif
diff --git a/src/cpu/intel/fsp_model_206ax/model_206ax_init.c b/src/cpu/intel/fsp_model_206ax/model_206ax_init.c
new file mode 100644
index 0000000..6eb4787
--- /dev/null
+++ b/src/cpu/intel/fsp_model_206ax/model_206ax_init.c
@@ -0,0 +1,433 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
+ *
+ * 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/intel/speedstep.h>
+#include <cpu/intel/turbo.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/name.h>
+#include <pc80/mc146818rtc.h>
+#include <usbdebug.h>
+#include "model_206ax.h"
+#include "chip.h"
+
+static void enable_vmx(void)
+{
+	struct cpuid_result regs;
+	msr_t msr;
+	int enable = CONFIG_ENABLE_VMX;
+
+	regs = cpuid(1);
+	/* Check that the VMX is supported before reading or writing the MSR. */
+	if (!((regs.ecx & CPUID_VMX) || (regs.ecx & CPUID_SMX)))
+		return;
+
+	msr = rdmsr(IA32_FEATURE_CONTROL);
+
+	if (msr.lo & (1 << 0)) {
+		printk(BIOS_ERR, "VMX is locked, so %s will do nothing\n", __func__);
+		/* VMX locked. If we set it again we get an illegal
+		 * instruction
+		 */
+		return;
+	}
+
+	/* The IA32_FEATURE_CONTROL MSR may initialize with random values.
+	 * It must be cleared regardless of VMX config setting.
+	 */
+	msr.hi = msr.lo = 0;
+
+	printk(BIOS_DEBUG, "%s VMX\n", enable ? "Enabling" : "Disabling");
+
+	if (enable) {
+			msr.lo |= (1 << 2);
+			if (regs.ecx & CPUID_SMX)
+				msr.lo |= (1 << 1);
+	}
+
+	wrmsr(IA32_FEATURE_CONTROL, msr);
+}
+
+/* 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,
+};
+
+int cpu_config_tdp_levels(void)
+{
+	msr_t platform_info;
+
+	/* Minimum CPU revision */
+	if (cpuid_eax(1) < IVB_CONFIG_TDP_MIN_CPUID)
+		return 0;
+
+	/* 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))
+		return;
+
+	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 SNB EP/EX */
+
+	wrmsr(MSR_PKG_POWER_LIMIT, limit);
+
+	/* 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_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 (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, "model_x06ax: frequency set to %d\n",
+	       ((perf_ctl.lo >> 8) & 0xff) * SANDYBRIDGE_BCLK);
+}
+
+static void configure_mca(void)
+{
+	msr_t msr;
+	int i;
+
+	msr.lo = msr.hi = 0;
+	/* This should only be done on a cold boot */
+	for (i = 0; i < 7; i++)
+		wrmsr(IA32_MC0_STATUS + (i * 4), msr);
+}
+
+#if CONFIG_USBDEBUG
+static unsigned ehci_debug_addr;
+#endif
+
+/*
+ * Initialize any extra cores/threads in this package.
+ */
+static void intel_cores_init(device_t cpu)
+{
+	struct cpuid_result result;
+	unsigned threads_per_package, threads_per_core, i;
+
+	/* Logical processors (threads) per core */
+	result = cpuid_ext(0xb, 0);
+	threads_per_core = result.ebx & 0xffff;
+
+	/* Logical processors (threads) per package */
+	result = cpuid_ext(0xb, 1);
+	threads_per_package = result.ebx & 0xffff;
+
+	/* Only initialize extra cores from BSP */
+	if (cpu->path.apic.apic_id)
+		return;
+
+	printk(BIOS_DEBUG, "CPU: %u has %u cores, %u threads per core\n",
+	       cpu->path.apic.apic_id, threads_per_package/threads_per_core,
+	       threads_per_core);
+
+	for (i = 1; i < threads_per_package; ++i) {
+		struct device_path cpu_path;
+		device_t new;
+
+		/* Build the cpu device path */
+		cpu_path.type = DEVICE_PATH_APIC;
+		cpu_path.apic.apic_id =
+			cpu->path.apic.apic_id + i;
+
+		/* Update APIC ID if no hyperthreading */
+		if (threads_per_core == 1)
+			cpu_path.apic.apic_id <<= 1;
+
+		/* Allocate the new cpu device structure */
+		new = alloc_dev(cpu->bus, &cpu_path);
+		if (!new)
+			continue;
+
+		printk(BIOS_DEBUG, "CPU: %u has core %u\n",
+		       cpu->path.apic.apic_id,
+		       new->path.apic.apic_id);
+
+#if CONFIG_SMP && CONFIG_MAX_CPUS > 1
+		/* Start the new cpu */
+		if (!start_cpu(new)) {
+			/* Record the error in cpu? */
+			printk(BIOS_ERR, "CPU %u would not start!\n",
+			       new->path.apic.apic_id);
+		}
+#endif
+	}
+}
+
+static void model_206ax_init(device_t cpu)
+{
+	char processor_name[49];
+	struct cpuid_result cpuid_regs;
+
+	/* Turn on caching if we haven't already */
+	x86_enable_cache();
+
+	/* Clear out pending MCEs */
+	configure_mca();
+
+	/* Print processor name */
+	fill_processor_name(processor_name);
+	printk(BIOS_INFO, "CPU: %s.\n", processor_name);
+
+#if CONFIG_USBDEBUG
+	// Is this caution really needed?
+	if(!ehci_debug_addr)
+		ehci_debug_addr = get_ehci_debug();
+	set_ehci_debug(0);
+#endif
+
+	/* Setup MTRRs based on physical address size */
+	cpuid_regs = cpuid(0x80000008);
+	x86_setup_fixed_mtrrs();
+	x86_setup_var_mtrrs(cpuid_regs.eax & 0xff, 2);
+	x86_mtrr_check();
+
+	/* Setup Page Attribute Tables (PAT) */
+	// TODO set up PAT
+
+#if CONFIG_USBDEBUG
+	set_ehci_debug(ehci_debug_addr);
+#endif
+
+	/* Enable the local cpu apics */
+	enable_lapic_tpr();
+	setup_lapic();
+
+	/* Enable virtualization if enabled in CMOS */
+	enable_vmx();
+
+	/* Configure Enhanced SpeedStep and Thermal Sensors */
+	configure_misc();
+
+	/* Enable Direct Cache Access */
+	configure_dca_cap();
+
+	/* Set Max Ratio */
+	set_max_ratio();
+
+	/* Enable Turbo */
+	enable_turbo();
+
+	/* Start up extra cores */
+	intel_cores_init(cpu);
+}
+
+static struct device_operations cpu_dev_ops = {
+	.init     = model_206ax_init,
+};
+
+static struct cpu_device_id cpu_table[] = {
+	{ X86_VENDOR_INTEL, 0x206a0 }, /* Intel Sandybridge */
+	{ X86_VENDOR_INTEL, 0x206a6 }, /* Intel Sandybridge D1 */
+	{ X86_VENDOR_INTEL, 0x206a7 }, /* Intel Sandybridge D2/J1 */
+	{ X86_VENDOR_INTEL, 0x306a0 }, /* Intel IvyBridge */
+	{ X86_VENDOR_INTEL, 0x306a2 }, /* Intel IvyBridge */
+	{ X86_VENDOR_INTEL, 0x306a4 }, /* Intel IvyBridge */
+	{ X86_VENDOR_INTEL, 0x306a5 }, /* Intel IvyBridge */
+	{ X86_VENDOR_INTEL, 0x306a6 }, /* Intel IvyBridge */
+	{ X86_VENDOR_INTEL, 0x306a8 }, /* Intel IvyBridge */
+	{ X86_VENDOR_INTEL, 0x306a9 }, /* Intel IvyBridge */
+	{ 0, 0 },
+};
+
+static const struct cpu_driver driver __cpu_driver = {
+	.ops      = &cpu_dev_ops,
+	.id_table = cpu_table,
+};
+



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