Bill XIE has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/48771 )
Change subject: mainboard/lenovo: Add Thinkpad Edge S220 (a.k.a E220s) ......................................................................
mainboard/lenovo: Add Thinkpad Edge S220 (a.k.a E220s)
The code is based on autoport and that for s230u
Tested: - CPU i3-2357M - Slotted DIMM 2GiB - Camera - pci-e and usb2 on Mini PCI-E slot for wlan - sata and usb2 on Mini PCI-E slot for wwan - On board SDHCI connected to pci-e - libgfxinit-based graphic init - Sound - S3 - EHCI debug - Seabios Payload
Change-Id: I746798b13e83d1971bb7be93751a15875d16c337 Signed-off-by: Bill XIE persmule@hardenedlinux.org --- M Documentation/mainboard/index.md A Documentation/mainboard/lenovo/s220.md A Documentation/mainboard/lenovo/s220_ready_to_flash.jpg M src/mainboard/hp/snb_ivb_laptops/cmos.default A src/mainboard/lenovo/s220/Kconfig A src/mainboard/lenovo/s220/Kconfig.name A src/mainboard/lenovo/s220/Makefile.inc A src/mainboard/lenovo/s220/acpi/ec.asl A src/mainboard/lenovo/s220/acpi/gpe.asl A src/mainboard/lenovo/s220/acpi/platform.asl A src/mainboard/lenovo/s220/acpi/superio.asl A src/mainboard/lenovo/s220/acpi_tables.c A src/mainboard/lenovo/s220/board_info.txt A src/mainboard/lenovo/s220/data.vbt A src/mainboard/lenovo/s220/devicetree.cb A src/mainboard/lenovo/s220/dsdt.asl A src/mainboard/lenovo/s220/early_init.c A src/mainboard/lenovo/s220/ec.c A src/mainboard/lenovo/s220/ec.h A src/mainboard/lenovo/s220/gma-mainboard.ads A src/mainboard/lenovo/s220/gpio.c A src/mainboard/lenovo/s220/hda_verb.c A src/mainboard/lenovo/s220/mainboard.c A src/mainboard/lenovo/s220/smihandler.c 24 files changed, 1,269 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/71/48771/1
diff --git a/Documentation/mainboard/index.md b/Documentation/mainboard/index.md index 95efe55..c0976e0 100644 --- a/Documentation/mainboard/index.md +++ b/Documentation/mainboard/index.md @@ -103,6 +103,7 @@ - [T420](lenovo/t420.md) - [T420 / T520 / X220 / T420s / W520 common](lenovo/Sandy_Bridge_series.md) - [X1](lenovo/x1.md) +- [S220](lenovo/s220.md)
### Ivy Bridge series
diff --git a/Documentation/mainboard/lenovo/s220.md b/Documentation/mainboard/lenovo/s220.md new file mode 100644 index 0000000..2bbc22d --- /dev/null +++ b/Documentation/mainboard/lenovo/s220.md @@ -0,0 +1,36 @@ +# Lenovo Edge S220 (a.k.a E220s) + +## Disassembly Instructions + +You must remove the following parts to access the SPI flash: + + + +* Keyboard +* Hard Drive Cover +* Palmrest + +Its [Hardware Maintenance Manual](https://thinkpads.com/support/hmm/hmm_pdf/e220s_s220_hmm_en_0a60672_05.pdf) can be used as a guidance of disassembly. + +The vendor IFD VSCC list contains: +- MACRONIX_MX25L6405 (0xc2, 0x2017) +- WINBOND_NEX_W25X64 (0xef, 0x3017) +- ATMEL_AT25DF641 (0x1f, 0x4800) + +The general [flashing tutorial] has more details. + +Tested: +- CPU i3-2357M +- Slotted DIMM 2GiB +- Camera +- pci-e and usb2 on Mini PCI-E slot for wlan +- sata and usb2 on Mini PCI-E slot for wwan +- On board SDHCI connected to pci-e +- libgfxinit-based graphic init +- Sound +- S3 +- EHCI debug +- Seabios Payload + +[flashing tutorial]: ../../flash_tutorial/ext_power.md + diff --git a/Documentation/mainboard/lenovo/s220_ready_to_flash.jpg b/Documentation/mainboard/lenovo/s220_ready_to_flash.jpg new file mode 100644 index 0000000..3fbafce --- /dev/null +++ b/Documentation/mainboard/lenovo/s220_ready_to_flash.jpg Binary files differ diff --git a/src/mainboard/hp/snb_ivb_laptops/cmos.default b/src/mainboard/hp/snb_ivb_laptops/cmos.default index ba33ddf..ad822d5 100644 --- a/src/mainboard/hp/snb_ivb_laptops/cmos.default +++ b/src/mainboard/hp/snb_ivb_laptops/cmos.default @@ -2,5 +2,4 @@ debug_level=Debug power_on_after_fail=Disable nmi=Enable -volume=0x3 sata_mode=AHCI diff --git a/src/mainboard/lenovo/s220/Kconfig b/src/mainboard/lenovo/s220/Kconfig new file mode 100644 index 0000000..e909399 --- /dev/null +++ b/src/mainboard/lenovo/s220/Kconfig @@ -0,0 +1,59 @@ +if BOARD_LENOVO_THINKPAD_EDGE_S220 + +config BOARD_SPECIFIC_OPTIONS + def_bool y + select BOARD_ROMSIZE_KB_4096 + select SYSTEM_TYPE_LAPTOP + select NORTHBRIDGE_INTEL_SANDYBRIDGE + select USE_NATIVE_RAMINIT + select SOUTHBRIDGE_INTEL_C216 + select EC_COMPAL_ENE932 + select EC_ACPI + select NO_UART_ON_SUPERIO + select HAVE_ACPI_TABLES + select HAVE_ACPI_RESUME + select INTEL_INT15 + select MAINBOARD_HAS_LIBGFXINIT + select GFX_GMA_PANEL_1_ON_LVDS + select SERIRQ_CONTINUOUS_MODE + select INTEL_GMA_HAVE_VBT + +config MAINBOARD_DIR + string + default lenovo/s220 + +config MAINBOARD_PART_NUMBER + string + default "ThinkPad Edge S220/E220s" + +config VGA_BIOS_FILE + string + default "pci8086,0116.rom" + +config VGA_BIOS_ID + string + default "8086,0116" + +config DRAM_RESET_GATE_GPIO + int + default 10 + +config MAX_CPUS + int + default 8 + +config USBDEBUG_HCD_INDEX + int + default 2 + +config EC_BASE_ADDRESS + hex + default 0xff000000 + +config PS2K_EISAID + default "PTL0001" + +config PS2M_EISAID + default "LEN0031" + +endif diff --git a/src/mainboard/lenovo/s220/Kconfig.name b/src/mainboard/lenovo/s220/Kconfig.name new file mode 100644 index 0000000..78a5af3 --- /dev/null +++ b/src/mainboard/lenovo/s220/Kconfig.name @@ -0,0 +1,2 @@ +config BOARD_LENOVO_THINKPAD_EDGE_S220 + bool "ThinkPad Edge S220/E220s" diff --git a/src/mainboard/lenovo/s220/Makefile.inc b/src/mainboard/lenovo/s220/Makefile.inc new file mode 100644 index 0000000..a0a3aa1 --- /dev/null +++ b/src/mainboard/lenovo/s220/Makefile.inc @@ -0,0 +1,7 @@ +bootblock-y += early_init.c +bootblock-y += gpio.c +romstage-y += early_init.c +romstage-y += gpio.c +ramstage-$(CONFIG_MAINBOARD_USE_LIBGFXINIT) += gma-mainboard.ads +ramstage-y += ec.c +smm-y += smihandler.c diff --git a/src/mainboard/lenovo/s220/acpi/ec.asl b/src/mainboard/lenovo/s220/acpi/ec.asl new file mode 100644 index 0000000..20a9096 --- /dev/null +++ b/src/mainboard/lenovo/s220/acpi/ec.asl @@ -0,0 +1,347 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +Device (EC0) +{ + Name (_HID, EISAID ("PNP0C09")) + Name (_UID, 0) + + Name (_GPE, THINKPAD_EC_GPE) + Mutex (ECLK, 0x07) + + /* EmbeddedControl should work as well, but memory mapped is faster. */ + OperationRegion (ERAM, SystemMemory, (CONFIG_EC_BASE_ADDRESS + 0x100), 0x100) + Field (ERAM, ByteAcc, Lock, Preserve) + { + , 1, + , 1, + HKFA, 1, // FN lock (Hotkey / FN row toggle) + , 1, + , 1, + , 1, + , 1, + + Offset(0x0c), + HLCL, 8, // LED control + + Offset(0x46), + , 4, + ONAC, 1, + , 3, + + Offset(0x81), + PAGE, 8, + } + + /* Battery info page 0 */ + Field (ERAM, ByteAcc, NoLock, Preserve) + { + Offset(0xA0), + SBRC, 16, /* Remaining capacity */ + SBFC, 16, /* Full-charge capacity */ + SBAE, 16, + SBRS, 16, + SBAC, 16, /* Present rate */ + SBVO, 16, /* Present voltage */ + SBAF, 16, + SBBS, 16, + } + + /* Battery info page 1 */ + Field (ERAM, ByteAcc, NoLock, Preserve) + { + Offset (0xA0), + , 15, + SBCM, 1, /* Power unit (0 == mA/mAh, 1 == mW/mWh) */ + SBMD, 16, + SBCC, 16, + } + + /* Battery info page 2 */ + Field (ERAM, ByteAcc, NoLock, Preserve) + { + Offset (0xA0), + SBDC, 16, /* Design Capacity */ + SBDV, 16, /* Design Voltage */ + SBOM, 16, + SBSI, 16, + SBDT, 16, + SBSN, 16, /* Serial number */ + } + + /* Battery info page 4 */ + Field (ERAM, ByteAcc, NoLock, Preserve) + { + Offset (0xA0), + SBCH, 32, /* Type (LiON) */ + } + + /* Battery info page 5 */ + Field (ERAM, ByteAcc, NoLock, Preserve) + { + Offset (0xA0), + SBMN, 128, /* Manufacturer */ + } + + /* Battery info page 6 */ + Field (ERAM, ByteAcc, NoLock, Preserve) + { + Offset (0xA0), + SBDN, 128, /* Model */ + } + + Method (_CRS, 0, Serialized) + { + Name (ECMD, ResourceTemplate() + { + IO (Decode16, 0x62, 0x62, 0, 1) + IO (Decode16, 0x66, 0x66, 0, 1) + IO (Decode16, 0x700, 0x700, 0, 8) + Memory32Fixed(ReadOnly, CONFIG_EC_BASE_ADDRESS, 0x1000, FF00) + }) + Return (ECMD) + } + + /* Increase brightness hotkey */ + Method (_Q14, 0, NotSerialized) { + BRIGHTNESS_UP() + ^HKEY.MHKQ (0x1010) + } + + /* Decrease brightness hotkey */ + Method (_Q15, 0, NotSerialized) { + BRIGHTNESS_DOWN() + ^HKEY.MHKQ (0x1011) + } + + /* Video output switch hotkey */ + Method (_Q16, 0, NotSerialized) { + Notify (_SB.PCI0.GFX0, 0x82) + ^HKEY.MHKQ (0x1007) + } + + Method (_Q19, 0, NotSerialized) + { + ^HKEY.MHKQ (0x1018) + } + + /* Switched to AC power */ + Method (_Q26, 0, NotSerialized) + { + Store (One, PWRS) + Notify (^AC, 0x80) + Notify (^BAT0, 0x80) + \PNOT () + ^HKEY.MHKQ (0x6040) + } + + /* Switched to battery power */ + Method (_Q27, 0, NotSerialized) + { + Store (Zero, PWRS) + Notify (^AC, 0x80) + Notify (^BAT0, 0x80) + \PNOT () + ^HKEY.MHKQ (0x6040) + } + + /* Lid openend */ + Method (_Q2A, 0, NotSerialized) + { + Store (One, LIDS) + Notify(^LID, 0x80) + ^HKEY.MHKQ (0x5002) + } + + /* Lid closed */ + Method (_Q2B, 0, NotSerialized) + { + Store (Zero, LIDS) + Notify(^LID, 0x80) + ^HKEY.MHKQ (0x5001) + } + + /* Tablet swivel down */ + Method (_Q35, 0, NotSerialized) + { + ^HKEY.MHKQ (0x60c0) + ^HKEY.MHKQ (0x500a) + } + + /* Tablet swivel up */ + Method (_Q36, 0, NotSerialized) + { + ^HKEY.MHKQ (0x60c0) + ^HKEY.MHKQ (0x5009) + } + + /* Tablet rotate lock button */ + Method (_Q37, 0, NotSerialized) + { + ^HKEY.MHKQ (0x6020) + } + + /* Numlock pressed */ + Method (_Q3F, 0, NotSerialized) + { + ^HKEY.MHKQ (0x6000) + } + + /* RFKill status changed */ + Method (_Q41, 0, NotSerialized) { + ^HKEY.MHKQ (0x7000) + } + + /* Mute hotkey */ + Method (_Q43, 0, NotSerialized) { + ^HKEY.MHKQ (0x1017) + } + + /* Settings hotkey */ + Method (_Q5A, 0, NotSerialized) + { + ^HKEY.MHKQ (0x101D) + } + + /* Search hotkey */ + Method (_Q5B, 0, NotSerialized) + { + ^HKEY.MHKQ (0x101E) + } + + /* Scale hotkey */ + Method (_Q5C, 0, NotSerialized) + { + ^HKEY.MHKQ (0x101F) + } + + /* File hotkey */ + Method (_Q5D, 0, NotSerialized) + { + ^HKEY.MHKQ (0x1020) + } + + /* RFkill hotkey */ + Method (_Q64, 0, NotSerialized) { + ^HKEY.MHKQ (0x1005) + } + + /* Mic mute hotkey */ + Method (_Q6A, 0, NotSerialized) + { + ^HKEY.MHKQ (0x101B) + } + + /* FN key pressed */ + Method (_Q70, 0, NotSerialized) { } + + /* FN+Esc pressed / FN row mode switch */ + Method (_Q74, 0, NotSerialized) { + XOr(One, HKFA, HKFA) + ^HKEY.MHKQ (0x6060) + } + + /* Implements enough of the Lenovo hotkey device for + * thinkpad-acpi to work, no real support for hotkey masking */ + Device (HKEY) + { + Name (_HID, EisaId ("LEN0068")) + + Name (DHKC, Zero) + Name (DHKV, Zero) + Name (DHKN, 0xFC018070) // Hotkey mask + Mutex (XDHK, 0x07) + + Method (_STA, 0, NotSerialized) + { + Return (0x0F) + } + + Method (MHKV, 0, NotSerialized) + { + Return (0x0100) // Interface version 1.0 + } + + Method (MHKA, 0, NotSerialized) // Hotkey all mask + { + Return (0xFFFFFFFF) + } + + Method (MHKM, 2, NotSerialized) // Set hotkey mask + { + Acquire (XDHK, 0xFFFF) + + ShiftLeft (One, Decrement (Arg0), Local0) + If (Arg1) { + Or (Local0, DHKN, DHKN) + } Else { + And (Not(Local0), DHKN, DHKN) + } + + Release (XDHK) + } + + Method (MHKC, 1, NotSerialized) // Hotkey disable? + { + Acquire (XDHK, 0xFFFF) + + Store (Arg0, DHKC) + + Release (XDHK) + } + + Method (MHKP, 0, NotSerialized) // Hotkey poll + { + Acquire (XDHK, 0xFFFF) + + Store (Zero, Local0) + + if (DHKV) { + Store (DHKV, Local0) + Store (Zero, DHKV) + } + + Release (XDHK) + + Return (Local0) + } + + Method (MHKQ, 1, NotSerialized) // Send hotkey event + { + Acquire (XDHK, 0xFFFF) + + Store (Arg0, DHKV) + + Release (XDHK) + + Notify (HKEY, 0x80) // Status Change + } + } + + /* LED support for thinkpad-acpi */ + Method (LED, 2, NotSerialized) + { + Or (Arg0, Arg1, HLCL) + } + + Device (AC) + { + Name (_HID, "ACPI0003") + Name (_PCL, Package (1) { _SB }) + + Method (_PSR, 0, NotSerialized) + { + Return (ONAC) + } + Method (_STA, 0, NotSerialized) + { + Return (0x0F) + } + } + + /* Battery is H8 compatible, but requires an explicit delay */ + #define BATTERY_PAGE_DELAY_MS 20 + #include <ec/lenovo/h8/acpi/battery.asl> + + /* LID is H8 compatible */ + #include <ec/lenovo/h8/acpi/lid.asl> +} diff --git a/src/mainboard/lenovo/s220/acpi/gpe.asl b/src/mainboard/lenovo/s220/acpi/gpe.asl new file mode 100644 index 0000000..8124ec7 --- /dev/null +++ b/src/mainboard/lenovo/s220/acpi/gpe.asl @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +Scope (_GPE) +{ + Name (PDET, Zero) + Method (PNOT, 2, Serialized) { + ShiftLeft (Arg0, Arg1, Local0) + Not( ShiftLeft (One, Arg1), Local1) + Or (Local0, And (Local1, PDET), PDET) + If (LEqual (PDET, Zero)) { + // Palm removed + _SB.PCI0.LPCB.EC0.HKEY.MHKQ (0x60B1) + } Else { + // Palm detected + _SB.PCI0.LPCB.EC0.HKEY.MHKQ (0x60B0) + } + } + + Method (TINV, 2, Serialized) { + ShiftLeft (One, Arg1, Local0) + If (LEqual (Arg0, Zero)) { + Not (Local0, Local0) + And (GIV0, Local0, GIV0) + } Else { + Or (GIV0, Local0, GIV0) + } + } + + /* Palm detect sensor 1 */ + Method (_L12, 0, NotSerialized) { + // Invert trigger + TINV (GP02, 2) + + PNOT (GP02, 0) + } + + /* Palm detect sensor 2 */ + Method (_L14, 0, NotSerialized) { + // Invert trigger + TINV (GP04, 4) + + PNOT (GP04, 1) + } +} diff --git a/src/mainboard/lenovo/s220/acpi/platform.asl b/src/mainboard/lenovo/s220/acpi/platform.asl new file mode 100644 index 0000000..149fb3a --- /dev/null +++ b/src/mainboard/lenovo/s220/acpi/platform.asl @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +Method(_WAK,1) +{ + /* Turn on radios */ + Store (One, GP33) /* WLBT_OFF_5# (To pin 5 of WiFi mPCIe) */ + Store (One, GP36) /* WLBT_OFF_51# (To pin 51 of WiFi mPCIe) */ + /* There also is RF_OFF# on pin 20, controlled by the EC */ + + Return(Package(){0,0}) +} + +Method(_PTS,1) +{ + /* Turn off radios */ + Store (Zero, GP33) /* WLBT_OFF_5# (To pin 5 of WiFi mPCIe) */ + Store (Zero, GP36) /* WLBT_OFF_51# (To pin 51 of WiFi mPCIe) */ + /* There also is RF_OFF# on pin 20, controlled by the EC */ +} + +Scope(_SI) +{ + Method(_SST, 1, NotSerialized) + { + If (LLess(Arg0, 2)) + { + /* Thinkpad LED on */ + _SB.PCI0.LPCB.EC0.LED (Zero, 0x80) + } + Else + { + /* Thinkpad LED blinking */ + _SB.PCI0.LPCB.EC0.LED (Zero, 0xC0) + } + } +} diff --git a/src/mainboard/lenovo/s220/acpi/superio.asl b/src/mainboard/lenovo/s220/acpi/superio.asl new file mode 100644 index 0000000..ee2eabe --- /dev/null +++ b/src/mainboard/lenovo/s220/acpi/superio.asl @@ -0,0 +1,3 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <drivers/pc80/pc/ps2_controller.asl> diff --git a/src/mainboard/lenovo/s220/acpi_tables.c b/src/mainboard/lenovo/s220/acpi_tables.c new file mode 100644 index 0000000..c85058d --- /dev/null +++ b/src/mainboard/lenovo/s220/acpi_tables.c @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* This file is part of the coreboot project. */ + +#include <acpi/acpi_gnvs.h> +#include <southbridge/intel/bd82x6x/nvs.h> + +void acpi_create_gnvs(struct global_nvs *gnvs) +{ + /* Disable USB ports in S3 by default */ + gnvs->s3u0 = 0; + gnvs->s3u1 = 0; + + /* Disable USB ports in S5 by default */ + gnvs->s5u0 = 0; + gnvs->s5u1 = 0; + + /* The lid is open by default. */ + gnvs->lids = 1; + + gnvs->tcrt = 100; + gnvs->tpsv = 90; +} diff --git a/src/mainboard/lenovo/s220/board_info.txt b/src/mainboard/lenovo/s220/board_info.txt new file mode 100644 index 0000000..cdbf8b8 --- /dev/null +++ b/src/mainboard/lenovo/s220/board_info.txt @@ -0,0 +1,4 @@ +Category: laptop +ROM protocol: SPI +Flashrom support: n +FIXME: put ROM package, ROM socketed, Release year diff --git a/src/mainboard/lenovo/s220/data.vbt b/src/mainboard/lenovo/s220/data.vbt new file mode 100644 index 0000000..f7882f9 --- /dev/null +++ b/src/mainboard/lenovo/s220/data.vbt Binary files differ diff --git a/src/mainboard/lenovo/s220/devicetree.cb b/src/mainboard/lenovo/s220/devicetree.cb new file mode 100644 index 0000000..22429c9 --- /dev/null +++ b/src/mainboard/lenovo/s220/devicetree.cb @@ -0,0 +1,84 @@ +chip northbridge/intel/sandybridge + register "gfx" = "GMA_STATIC_DISPLAYS(1)" + register "gpu_cpu_backlight" = "0x00000f55" + register "gpu_dp_b_hotplug" = "4" + register "gpu_dp_c_hotplug" = "4" + register "gpu_dp_d_hotplug" = "4" + register "gpu_panel_port_select" = "PANEL_PORT_LVDS" + register "gpu_panel_power_backlight_off_delay" = "2700" + register "gpu_panel_power_backlight_on_delay" = "3800" + register "gpu_panel_power_cycle_delay" = "6" + register "gpu_panel_power_down_delay" = "95" + register "gpu_panel_power_up_delay" = "300" + register "gpu_pch_backlight" = "0x13121312" + device cpu_cluster 0x0 on + chip cpu/intel/model_206ax # FIXME: check all registers + register "c1_acpower" = "1" + register "c1_battery" = "1" + register "c2_acpower" = "3" + register "c2_battery" = "3" + register "c3_acpower" = "5" + register "c3_battery" = "5" + device lapic 0x0 on + end + device lapic 0xacac off + end + end + end + device domain 0x0 on + subsystemid 0x17aa 0x21e4 inherit + device pci 00.0 on end # Host bridge Host bridge + device pci 01.0 off end # PEG + device pci 02.0 on end # iGPU + chip southbridge/intel/bd82x6x # Intel Series 6 Cougar Point PCH + register "c2_latency" = "0x0065" + register "docking_supported" = "1" + register "gen1_dec" = "0x00000000" + register "gen2_dec" = "0x000c0701" + register "gen3_dec" = "0x000c0069" + register "gen4_dec" = "0x000c06a1" + register "gpi13_routing" = "2" + register "gpi7_routing" = "2" + register "pcie_hotplug_map" = "{ 0, 0, 1, 1, 0, 0, 0, 0 }" + register "pcie_port_coalesce" = "1" + register "sata_interface_speed_support" = "0x3" + register "sata_port_map" = "0x19" + register "spi_lvscc" = "0x2005" + register "spi_uvscc" = "0x2005" + device pci 16.0 on end # Management Engine Interface 1 + device pci 16.1 off end # Management Engine Interface 2 + device pci 16.2 off end # Management Engine IDE-R + device pci 16.3 off end # Management Engine KT + device pci 19.0 off end # Intel Gigabit Ethernet + device pci 1a.0 on end # USB2 EHCI #2 + device pci 1b.0 on end # High Definition Audio + device pci 1c.0 off end # PCIe Port #1 + device pci 1c.1 on end # PCIe Port #2 + device pci 1c.2 on end # PCIe Port #3 + device pci 1c.3 on end # PCIe Port #4 + device pci 1c.4 off end # PCIe Port #5 + device pci 1c.5 off end # PCIe Port #6 + device pci 1c.6 off end # PCIe Port #7 + device pci 1c.7 off end # PCIe Port #8 + device pci 1d.0 on end # USB2 EHCI #1 + device pci 1e.0 off end # PCI bridge + device pci 1f.0 on end # LPC bridge + device pci 1f.2 on end # SATA Controller 1 + device pci 1f.3 on # SMBus + subsystemid 0x17aa 0x21e4 + chip drivers/i2c/at24rf08c # eeprom, 8 virtual devices, same chip + device i2c 54 on end + device i2c 55 on end + device i2c 56 on end + device i2c 57 on end + device i2c 5c on end + device i2c 5d on end + device i2c 5e on end + device i2c 5f on end + end + end + device pci 1f.5 off end # SATA Controller 2 + device pci 1f.6 off end # Thermal + end + end +end diff --git a/src/mainboard/lenovo/s220/dsdt.asl b/src/mainboard/lenovo/s220/dsdt.asl new file mode 100644 index 0000000..6d67b91 --- /dev/null +++ b/src/mainboard/lenovo/s220/dsdt.asl @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#define BRIGHTNESS_UP _SB.PCI0.GFX0.INCB +#define BRIGHTNESS_DOWN _SB.PCI0.GFX0.DECB +#define EC_LENOVO_H8_ME_WORKAROUND 1 +#define THINKPAD_EC_GPE 23 + + +#include <acpi/acpi.h> + +DefinitionBlock( + "dsdt.aml", + "DSDT", + ACPI_DSDT_REV_2, + OEM_ID, + ACPI_TABLE_CREATOR, + 0x20141018 /* OEM revision */ +) +{ + #include "acpi/platform.asl" + #include "acpi/gpe.asl" + #include <cpu/intel/common/acpi/cpu.asl> + #include <southbridge/intel/common/acpi/platform.asl> + #include <southbridge/intel/bd82x6x/acpi/globalnvs.asl> + #include <southbridge/intel/common/acpi/sleepstates.asl> + + Device (_SB.PCI0) + { + #include <northbridge/intel/sandybridge/acpi/sandybridge.asl> + #include <drivers/intel/gma/acpi/default_brightness_levels.asl> + #include <southbridge/intel/bd82x6x/acpi/pch.asl> + } +} diff --git a/src/mainboard/lenovo/s220/early_init.c b/src/mainboard/lenovo/s220/early_init.c new file mode 100644 index 0000000..e04b4df --- /dev/null +++ b/src/mainboard/lenovo/s220/early_init.c @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* This file is part of the coreboot project. */ + +/* FIXME: Check if all includes are needed. */ + +#include <stdint.h> +#include <string.h> +#include <timestamp.h> +#include <arch/byteorder.h> +#include <device/mmio.h> +#include <device/pci_ops.h> +#include <device/pnp_ops.h> +#include <console/console.h> +#include <bootblock_common.h> +#include <northbridge/intel/sandybridge/sandybridge.h> +#include <northbridge/intel/sandybridge/raminit_native.h> +#include <southbridge/intel/bd82x6x/pch.h> +#include <southbridge/intel/common/gpio.h> +#include "ec.h" + +const struct southbridge_usb_port mainboard_usb_ports[] = { + { 1, 1, 0 }, + { 1, 1, 0 }, + { 0, 1, 1 }, + { 0, 1, 1 }, + { 1, 0, 2 }, + { 1, 0, 2 }, + { 0, 0, 3 }, + { 0, 0, 3 }, + { 1, 1, 4 }, + { 1, 1, 4 }, + { 0, 0, 5 }, + { 0, 0, 5 }, + { 1, 0, 6 }, + { 1, 0, 6 }, +}; + +void bootblock_mainboard_early_init(void) +{ + /* Memory map KB9012 EC registers */ + pci_write_config32(PCH_LPC_DEV, LGMR, + CONFIG_EC_BASE_ADDRESS | 1); + pci_write_config16(PCH_LPC_DEV, BIOS_DEC_EN1, 0xffc0); + + /* Enable external USB port power. */ + if (CONFIG(USBDEBUG)) + ec_mm_set_bit(0x3b, 4); +} + +/* FIXME: Put proper SPD map here. */ +void mainboard_get_spd(spd_raw_data *spd, bool id_only) +{ + read_spd(&spd[0], 0x50, id_only); + read_spd(&spd[1], 0x52, id_only); + read_spd(&spd[2], 0x51, id_only); + read_spd(&spd[3], 0x53, id_only); +} diff --git a/src/mainboard/lenovo/s220/ec.c b/src/mainboard/lenovo/s220/ec.c new file mode 100644 index 0000000..285a8d5 --- /dev/null +++ b/src/mainboard/lenovo/s220/ec.c @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include "ec.h" +#include <ec/compal/ene932/ec.h> + +/* The keyboard matrix tells the EC how the keyboard is wired internally */ +static void set_keyboard_matrix_us(void) +{ + ec_kbc_write_cmd(0x59); + ec_kbc_write_ib(0xE5); +} + +/* Tell EC to operate in APM mode. Events generate SMIs instead of SCIs */ +static void enter_apm_mode(void) +{ + ec_kbc_write_cmd(0x59); + ec_kbc_write_ib(0xE9); +} + +void lenovo_s230u_ec_init(void) +{ + set_keyboard_matrix_us(); + + /* + * The EC has a special "blinking Caps Lock LED" mode which it normally + * enters when it believes the OS is not responding. It occasionally + * disables battery charging when in this mode, although other + * functionality is unaffected. Although the EC starts in APM mode by + * default, it only leaves the "blinking Caps Lock LED" mode after + * receiving the following command. + */ + enter_apm_mode(); + + /* Enable external USB port power. */ + ec_mm_set_bit(0x3b, 4); +} diff --git a/src/mainboard/lenovo/s220/ec.h b/src/mainboard/lenovo/s220/ec.h new file mode 100644 index 0000000..273f58b --- /dev/null +++ b/src/mainboard/lenovo/s220/ec.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#ifndef _MAINBOARD_LENOVO_S230U_EC_H +#define _MAINBOARD_LENOVO_S230U_EC_H + +void lenovo_s230u_ec_init(void); + +#define ECMM(x) (*((volatile u8 *)(CONFIG_EC_BASE_ADDRESS + x))) +#define ec_mm_read(addr) (ECMM(0x100 + addr)) +#define ec_mm_write(addr, data) (ECMM(0x100 + addr) = data) +#define ec_mm_set_bit(addr, bit) (ECMM(0x100 + addr) |= 1 << bit) +#define ec_mm_clr_bit(addr, bit) (ECMM(0x100 + addr) &= ~(1 << bit)) + +#endif /* _MAINBOARD_LENOVO_S230U_EC_H */ diff --git a/src/mainboard/lenovo/s220/gma-mainboard.ads b/src/mainboard/lenovo/s220/gma-mainboard.ads new file mode 100644 index 0000000..03e6a55 --- /dev/null +++ b/src/mainboard/lenovo/s220/gma-mainboard.ads @@ -0,0 +1,18 @@ +-- SPDX-License-Identifier: GPL-2.0-or-later +-- This file is part of the coreboot project. + +with HW.GFX.GMA; +with HW.GFX.GMA.Display_Probing; + +use HW.GFX.GMA; +use HW.GFX.GMA.Display_Probing; + +private package GMA.Mainboard is + + ports : constant Port_List := + (HDMI1, + Analog, + LVDS, + others => Disabled); + +end GMA.Mainboard; diff --git a/src/mainboard/lenovo/s220/gpio.c b/src/mainboard/lenovo/s220/gpio.c new file mode 100644 index 0000000..ea8a906 --- /dev/null +++ b/src/mainboard/lenovo/s220/gpio.c @@ -0,0 +1,258 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* This file is part of the coreboot project. */ + +#include <southbridge/intel/common/gpio.h> + +static const struct pch_gpio_set1 pch_gpio_set1_mode = { + .gpio0 = GPIO_MODE_GPIO, + .gpio1 = GPIO_MODE_GPIO, + .gpio2 = GPIO_MODE_GPIO, + .gpio3 = GPIO_MODE_GPIO, + .gpio4 = GPIO_MODE_GPIO, + .gpio5 = GPIO_MODE_GPIO, + .gpio6 = GPIO_MODE_GPIO, + .gpio7 = GPIO_MODE_GPIO, + .gpio8 = GPIO_MODE_GPIO, + .gpio9 = GPIO_MODE_NATIVE, + .gpio10 = GPIO_MODE_GPIO, + .gpio11 = GPIO_MODE_GPIO, + .gpio12 = GPIO_MODE_GPIO, + .gpio13 = GPIO_MODE_GPIO, + .gpio14 = GPIO_MODE_GPIO, + .gpio15 = GPIO_MODE_GPIO, + .gpio16 = GPIO_MODE_NATIVE, + .gpio17 = GPIO_MODE_GPIO, + .gpio18 = GPIO_MODE_NATIVE, + .gpio19 = GPIO_MODE_NATIVE, + .gpio20 = GPIO_MODE_NATIVE, + .gpio21 = GPIO_MODE_GPIO, + .gpio22 = GPIO_MODE_GPIO, + .gpio23 = GPIO_MODE_GPIO, + .gpio24 = GPIO_MODE_GPIO, + .gpio25 = GPIO_MODE_NATIVE, + .gpio26 = GPIO_MODE_GPIO, + .gpio27 = GPIO_MODE_GPIO, + .gpio28 = GPIO_MODE_GPIO, + .gpio29 = GPIO_MODE_GPIO, + .gpio30 = GPIO_MODE_GPIO, + .gpio31 = GPIO_MODE_NATIVE, +}; + +static const struct pch_gpio_set1 pch_gpio_set1_direction = { + .gpio0 = GPIO_DIR_OUTPUT, + .gpio1 = GPIO_DIR_INPUT, + .gpio2 = GPIO_DIR_OUTPUT, + .gpio3 = GPIO_DIR_INPUT, + .gpio4 = GPIO_DIR_OUTPUT, + .gpio5 = GPIO_DIR_OUTPUT, + .gpio6 = GPIO_DIR_OUTPUT, + .gpio7 = GPIO_DIR_INPUT, + .gpio8 = GPIO_DIR_INPUT, + .gpio10 = GPIO_DIR_OUTPUT, + .gpio11 = GPIO_DIR_INPUT, + .gpio12 = GPIO_DIR_OUTPUT, + .gpio13 = GPIO_DIR_OUTPUT, + .gpio14 = GPIO_DIR_OUTPUT, + .gpio15 = GPIO_DIR_OUTPUT, + .gpio17 = GPIO_DIR_INPUT, + .gpio21 = GPIO_DIR_OUTPUT, + .gpio22 = GPIO_DIR_OUTPUT, + .gpio23 = GPIO_DIR_OUTPUT, + .gpio24 = GPIO_DIR_OUTPUT, + .gpio26 = GPIO_DIR_OUTPUT, + .gpio27 = GPIO_DIR_INPUT, + .gpio28 = GPIO_DIR_OUTPUT, + .gpio29 = GPIO_DIR_OUTPUT, + .gpio30 = GPIO_DIR_OUTPUT, +}; + +static const struct pch_gpio_set1 pch_gpio_set1_level = { + .gpio0 = GPIO_LEVEL_HIGH, + .gpio2 = GPIO_LEVEL_HIGH, + .gpio4 = GPIO_LEVEL_HIGH, + .gpio5 = GPIO_LEVEL_HIGH, + .gpio6 = GPIO_LEVEL_HIGH, + .gpio10 = GPIO_LEVEL_HIGH, + .gpio12 = GPIO_LEVEL_HIGH, + .gpio13 = GPIO_LEVEL_HIGH, + .gpio14 = GPIO_LEVEL_HIGH, + .gpio15 = GPIO_LEVEL_HIGH, + .gpio21 = GPIO_LEVEL_LOW, + .gpio22 = GPIO_LEVEL_HIGH, + .gpio23 = GPIO_LEVEL_HIGH, + .gpio24 = GPIO_LEVEL_LOW, + .gpio26 = GPIO_LEVEL_HIGH, + .gpio28 = GPIO_LEVEL_HIGH, + .gpio29 = GPIO_LEVEL_HIGH, + .gpio30 = GPIO_LEVEL_LOW, +}; + +static const struct pch_gpio_set1 pch_gpio_set1_reset = { + .gpio24 = GPIO_RESET_RSMRST, +}; + +static const struct pch_gpio_set1 pch_gpio_set1_invert = { + .gpio1 = GPIO_INVERT, + .gpio3 = GPIO_INVERT, + .gpio7 = GPIO_INVERT, + .gpio8 = GPIO_INVERT, + .gpio11 = GPIO_INVERT, +}; + +static const struct pch_gpio_set1 pch_gpio_set1_blink = { +}; + +static const struct pch_gpio_set2 pch_gpio_set2_mode = { + .gpio32 = GPIO_MODE_NATIVE, + .gpio33 = GPIO_MODE_GPIO, + .gpio34 = GPIO_MODE_GPIO, + .gpio35 = GPIO_MODE_GPIO, + .gpio36 = GPIO_MODE_NATIVE, + .gpio37 = GPIO_MODE_NATIVE, + .gpio38 = GPIO_MODE_GPIO, + .gpio39 = GPIO_MODE_GPIO, + .gpio40 = GPIO_MODE_GPIO, + .gpio41 = GPIO_MODE_GPIO, + .gpio42 = GPIO_MODE_GPIO, + .gpio43 = GPIO_MODE_GPIO, + .gpio44 = GPIO_MODE_GPIO, + .gpio45 = GPIO_MODE_GPIO, + .gpio46 = GPIO_MODE_GPIO, + .gpio47 = GPIO_MODE_NATIVE, + .gpio48 = GPIO_MODE_GPIO, + .gpio49 = GPIO_MODE_GPIO, + .gpio50 = GPIO_MODE_GPIO, + .gpio51 = GPIO_MODE_GPIO, + .gpio52 = GPIO_MODE_GPIO, + .gpio53 = GPIO_MODE_GPIO, + .gpio54 = GPIO_MODE_GPIO, + .gpio55 = GPIO_MODE_GPIO, + .gpio56 = GPIO_MODE_GPIO, + .gpio57 = GPIO_MODE_GPIO, + .gpio58 = GPIO_MODE_NATIVE, + .gpio59 = GPIO_MODE_NATIVE, + .gpio60 = GPIO_MODE_GPIO, + .gpio61 = GPIO_MODE_GPIO, + .gpio62 = GPIO_MODE_NATIVE, + .gpio63 = GPIO_MODE_NATIVE, +}; + +static const struct pch_gpio_set2 pch_gpio_set2_direction = { + .gpio33 = GPIO_DIR_OUTPUT, + .gpio34 = GPIO_DIR_OUTPUT, + .gpio35 = GPIO_DIR_OUTPUT, + .gpio38 = GPIO_DIR_INPUT, + .gpio39 = GPIO_DIR_OUTPUT, + .gpio40 = GPIO_DIR_OUTPUT, + .gpio41 = GPIO_DIR_OUTPUT, + .gpio42 = GPIO_DIR_OUTPUT, + .gpio43 = GPIO_DIR_OUTPUT, + .gpio44 = GPIO_DIR_OUTPUT, + .gpio45 = GPIO_DIR_OUTPUT, + .gpio46 = GPIO_DIR_OUTPUT, + .gpio48 = GPIO_DIR_OUTPUT, + .gpio49 = GPIO_DIR_OUTPUT, + .gpio50 = GPIO_DIR_OUTPUT, + .gpio51 = GPIO_DIR_OUTPUT, + .gpio52 = GPIO_DIR_OUTPUT, + .gpio53 = GPIO_DIR_OUTPUT, + .gpio54 = GPIO_DIR_OUTPUT, + .gpio55 = GPIO_DIR_OUTPUT, + .gpio56 = GPIO_DIR_OUTPUT, + .gpio57 = GPIO_DIR_OUTPUT, + .gpio60 = GPIO_DIR_OUTPUT, + .gpio61 = GPIO_DIR_OUTPUT, +}; + +static const struct pch_gpio_set2 pch_gpio_set2_level = { + .gpio33 = GPIO_LEVEL_HIGH, + .gpio34 = GPIO_LEVEL_HIGH, + .gpio35 = GPIO_LEVEL_HIGH, + .gpio39 = GPIO_LEVEL_HIGH, + .gpio40 = GPIO_LEVEL_HIGH, + .gpio41 = GPIO_LEVEL_HIGH, + .gpio42 = GPIO_LEVEL_HIGH, + .gpio43 = GPIO_LEVEL_HIGH, + .gpio44 = GPIO_LEVEL_HIGH, + .gpio45 = GPIO_LEVEL_HIGH, + .gpio46 = GPIO_LEVEL_HIGH, + .gpio48 = GPIO_LEVEL_HIGH, + .gpio49 = GPIO_LEVEL_HIGH, + .gpio50 = GPIO_LEVEL_LOW, + .gpio51 = GPIO_LEVEL_HIGH, + .gpio52 = GPIO_LEVEL_HIGH, + .gpio53 = GPIO_LEVEL_HIGH, + .gpio54 = GPIO_LEVEL_LOW, + .gpio55 = GPIO_LEVEL_HIGH, + .gpio56 = GPIO_LEVEL_HIGH, + .gpio57 = GPIO_LEVEL_HIGH, + .gpio60 = GPIO_LEVEL_HIGH, + .gpio61 = GPIO_LEVEL_HIGH, +}; + +static const struct pch_gpio_set2 pch_gpio_set2_reset = { +}; + +static const struct pch_gpio_set3 pch_gpio_set3_mode = { + .gpio64 = GPIO_MODE_GPIO, + .gpio65 = GPIO_MODE_GPIO, + .gpio66 = GPIO_MODE_GPIO, + .gpio67 = GPIO_MODE_GPIO, + .gpio68 = GPIO_MODE_GPIO, + .gpio69 = GPIO_MODE_GPIO, + .gpio70 = GPIO_MODE_GPIO, + .gpio71 = GPIO_MODE_GPIO, + .gpio72 = GPIO_MODE_GPIO, + .gpio73 = GPIO_MODE_GPIO, + .gpio74 = GPIO_MODE_GPIO, + .gpio75 = GPIO_MODE_NATIVE, +}; + +static const struct pch_gpio_set3 pch_gpio_set3_direction = { + .gpio64 = GPIO_DIR_OUTPUT, + .gpio65 = GPIO_DIR_OUTPUT, + .gpio66 = GPIO_DIR_OUTPUT, + .gpio67 = GPIO_DIR_INPUT, + .gpio68 = GPIO_DIR_INPUT, + .gpio69 = GPIO_DIR_INPUT, + .gpio70 = GPIO_DIR_INPUT, + .gpio71 = GPIO_DIR_INPUT, + .gpio72 = GPIO_DIR_OUTPUT, + .gpio73 = GPIO_DIR_OUTPUT, + .gpio74 = GPIO_DIR_OUTPUT, +}; + +static const struct pch_gpio_set3 pch_gpio_set3_level = { + .gpio64 = GPIO_LEVEL_HIGH, + .gpio65 = GPIO_LEVEL_HIGH, + .gpio66 = GPIO_LEVEL_HIGH, + .gpio72 = GPIO_LEVEL_HIGH, + .gpio73 = GPIO_LEVEL_HIGH, + .gpio74 = GPIO_LEVEL_HIGH, +}; + +static const struct pch_gpio_set3 pch_gpio_set3_reset = { +}; + +const struct pch_gpio_map mainboard_gpio_map = { + .set1 = { + .mode = &pch_gpio_set1_mode, + .direction = &pch_gpio_set1_direction, + .level = &pch_gpio_set1_level, + .blink = &pch_gpio_set1_blink, + .invert = &pch_gpio_set1_invert, + .reset = &pch_gpio_set1_reset, + }, + .set2 = { + .mode = &pch_gpio_set2_mode, + .direction = &pch_gpio_set2_direction, + .level = &pch_gpio_set2_level, + .reset = &pch_gpio_set2_reset, + }, + .set3 = { + .mode = &pch_gpio_set3_mode, + .direction = &pch_gpio_set3_direction, + .level = &pch_gpio_set3_level, + .reset = &pch_gpio_set3_reset, + }, +}; diff --git a/src/mainboard/lenovo/s220/hda_verb.c b/src/mainboard/lenovo/s220/hda_verb.c new file mode 100644 index 0000000..0bb7e02 --- /dev/null +++ b/src/mainboard/lenovo/s220/hda_verb.c @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* This file is part of the coreboot project. */ + +#include <device/azalia_device.h> + +const u32 cim_verb_data[] = { + 0x14f1506e, /* Codec Vendor / Device ID: Conexant */ + 0x17aa21e4, /* Subsystem ID */ + 11, /* Number of 4 dword sets */ + AZALIA_SUBVENDOR(0, 0x17aa21e4), + AZALIA_PIN_CFG(0, 0x19, 0x04211040), + AZALIA_PIN_CFG(0, 0x1a, 0x40f001f0), + AZALIA_PIN_CFG(0, 0x1b, 0x04a11060), + AZALIA_PIN_CFG(0, 0x1c, 0x40f001f0), + AZALIA_PIN_CFG(0, 0x1d, 0x40f001f0), + AZALIA_PIN_CFG(0, 0x1e, 0x40f001f0), + AZALIA_PIN_CFG(0, 0x1f, 0x90170110), + AZALIA_PIN_CFG(0, 0x20, 0x40f001f0), + AZALIA_PIN_CFG(0, 0x22, 0x40f001f0), + AZALIA_PIN_CFG(0, 0x23, 0x90a60170), + + 0x80862805, /* Codec Vendor / Device ID: Intel */ + 0x17aa21e4, /* Subsystem ID */ + 4, /* Number of 4 dword sets */ + AZALIA_SUBVENDOR(3, 0x17aa21e4), + AZALIA_PIN_CFG(3, 0x05, 0x18560010), + AZALIA_PIN_CFG(3, 0x06, 0x58560020), + AZALIA_PIN_CFG(3, 0x07, 0x58560030), + +}; + +const u32 pc_beep_verbs[0] = {}; + +AZALIA_ARRAY_SIZES; diff --git a/src/mainboard/lenovo/s220/mainboard.c b/src/mainboard/lenovo/s220/mainboard.c new file mode 100644 index 0000000..7f2c7fd --- /dev/null +++ b/src/mainboard/lenovo/s220/mainboard.c @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <device/device.h> +#include <console/console.h> +#include <drivers/intel/gma/int15.h> +#include <ec/acpi/ec.h> +#include <southbridge/intel/common/gpio.h> +#include <string.h> +#include <smbios.h> +#include "ec.h" + +#include <acpi/acpi.h> + +static u8 mainboard_fill_ec_version(char *buf, u8 buf_len) +{ + u8 i, c; + char str[16 + 1]; /* 16 ASCII chars + \0 */ + + /* Build ID */ + for (i = 0; i < 8; i++) { + c = ec_mm_read(0xf0 + i); + if (c < 0x20 || c > 0x7f) { + i = snprintf(str, sizeof(str), "*INVALID"); + break; + } + str[i] = c; + } + + i = MIN(buf_len, i); + memcpy(buf, str, i); + + return i; +} + +static void mainboard_smbios_strings( + struct device *dev, struct smbios_type11 *t) +{ + char tpec[] = "IBM ThinkPad Embedded Controller -[ ]-"; + u16 fwvh, fwvl; + + mainboard_fill_ec_version(tpec + 35, 17); + t->count = smbios_add_string(t->eos, tpec); + + /* Apparently byteswapped compared to H8 */ + fwvh = ec_mm_read(0xe8); + fwvl = ec_mm_read(0xe9); + + printk(BIOS_INFO, "EC Firmware ID %.54s, Version %d.%d%d%c\n", tpec, + fwvh >> 4, fwvh & 0x0f, fwvl >> 4, 0x41 + (fwvl & 0xf)); +} + +static void mainboard_enable(struct device *dev) +{ + dev->ops->get_smbios_strings = mainboard_smbios_strings, + + install_intel_vga_int15_handler( + GMA_INT15_ACTIVE_LFP_INT_LVDS, + GMA_INT15_PANEL_FIT_DEFAULT, + GMA_INT15_BOOT_DISPLAY_DEFAULT, + 0); + + if (!acpi_is_wakeup_s3()) + lenovo_s230u_ec_init(); +} + +struct chip_operations mainboard_ops = { + .enable_dev = mainboard_enable, +}; diff --git a/src/mainboard/lenovo/s220/smihandler.c b/src/mainboard/lenovo/s220/smihandler.c new file mode 100644 index 0000000..62bba44 --- /dev/null +++ b/src/mainboard/lenovo/s220/smihandler.c @@ -0,0 +1,106 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <console/console.h> +#include <cpu/x86/smm.h> +#include <ec/acpi/ec.h> +#include <ec/compal/ene932/ec.h> +#include <southbridge/intel/bd82x6x/pch.h> +#include <southbridge/intel/common/pmutil.h> + +#include "ec.h" + +#define GPE_PALMDET1 2 +#define GPE_PALMDET2 4 +#define GPE_EC_SCI 7 +#define GPE_EC_SMI 8 +/* FIXME: check this */ +#define GPE_EC_WAKE 13 + +enum sleep_states { + S0 = 0, + S1 = 1, + S3 = 3, + S4 = 4, + S5 = 5, +}; + +enum ec_smi_event { + EC_SMI_EVENT_IDLE = 0x80, + EC_SMI_BATTERY_LOW = 0xb3, +}; + +/* Tell EC to operate in APM mode. Events generate SMIs instead of SCIs. */ +static void ec_enter_apm_mode(void) +{ + ec_kbc_write_cmd(0x59); + ec_kbc_write_ib(0xE9); +} +/* Tell EC to operate in ACPI mode, thus generating SCIs on events, not SMIs. */ +static void ec_enter_acpi_mode(void) +{ + ec_kbc_write_cmd(0x59); + ec_kbc_write_ib(0xE8); +} + +static uint8_t ec_get_smi_event(void) +{ + ec_kbc_write_cmd(0x56); + return ec_kbc_read_ob(); +} + +static void ec_process_smi(uint8_t src) +{ + /* + * Reading the SMI source satisfies the EC in terms of responding to + * the event, regardless of whether we take an action or not. + */ + + printk(BIOS_DEBUG, "Unhandled EC_SMI event 0x%x\n", src); +} + +static void handle_ec_smi(void) +{ + uint8_t src; + + while ((src = ec_get_smi_event()) != EC_SMI_EVENT_IDLE) + ec_process_smi(src); +} + +void mainboard_smi_gpi(u32 gpi_sts) +{ + if (gpi_sts & (1 << GPE_EC_SMI)) + handle_ec_smi(); +} + +int mainboard_smi_apmc(u8 data) +{ + printk(BIOS_INFO, "mainboard_smi_apmc(%02x)\n", data); + + switch (data) { + case APM_CNT_ACPI_ENABLE: + printk(BIOS_DEBUG, "Enable ACPI mode\n"); + ec_enter_acpi_mode(); + gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SCI); + gpi_route_interrupt(GPE_PALMDET1, GPI_IS_SCI); + gpi_route_interrupt(GPE_PALMDET2, GPI_IS_SCI); + break; + case APM_CNT_ACPI_DISABLE: + printk(BIOS_DEBUG, "Disable ACPI mode\n"); + ec_enter_apm_mode(); + gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SMI); + break; + default: + printk(BIOS_DEBUG, "Unhandled ACPI command: 0x%x\n", data); + } + return 0; +} + +void mainboard_smi_sleep(u8 slp_typ) +{ + if (slp_typ == S3) { + u8 ec_wake = ec_read(0x32); + /* If EC wake events are enabled, enable wake on EC WAKE GPE. */ + if (ec_wake & 0x14) + gpi_route_interrupt(GPE_EC_WAKE, GPI_IS_SCI); + } +}