[coreboot-gerrit] Change in coreboot[master]: google/asuka: Add as a variant of glados

Matt DeVillier (Code Review) gerrit at coreboot.org
Mon Jul 9 17:52:52 CEST 2018


Matt DeVillier has uploaded this change for review. ( https://review.coreboot.org/27421


Change subject: google/asuka: Add as a variant of glados
......................................................................

google/asuka: Add as a variant of glados

Add google/asuka (Dell Chromebook 13 3380) as a variant of
glados Skylake reference board:
- add asuka-specific DPTF, EC config, GPIO config, Kconfig,
    NHLT config, PEI data, VBT, SPD data, and devicetree

Adapted from Chromium branch firmware-glados-7820.B, commit
b0c3efe54d877246d07f2467b2dff51cc30348fa [soc/intel/skylake: Enable VMX]

Test: build/boot google/asuka, verify correct functionality

Change-Id: I591578fea2514a28c75177835807c3f250904577
Signed-off-by: Matt DeVillier <matt.devillier at gmail.com>
---
M src/mainboard/google/glados/Kconfig
M src/mainboard/google/glados/Kconfig.name
A src/mainboard/google/glados/variants/asuka/Makefile.inc
A src/mainboard/google/glados/variants/asuka/data.vbt
A src/mainboard/google/glados/variants/asuka/devicetree.cb
A src/mainboard/google/glados/variants/asuka/include/variant/acpi/dptf.asl
A src/mainboard/google/glados/variants/asuka/include/variant/acpi/mainboard.asl
A src/mainboard/google/glados/variants/asuka/include/variant/ec.h
A src/mainboard/google/glados/variants/asuka/include/variant/gpio.h
A src/mainboard/google/glados/variants/asuka/variant.c
10 files changed, 775 insertions(+), 1 deletion(-)



  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/21/27421/1

diff --git a/src/mainboard/google/glados/Kconfig b/src/mainboard/google/glados/Kconfig
index 412aefe..53edb4f 100644
--- a/src/mainboard/google/glados/Kconfig
+++ b/src/mainboard/google/glados/Kconfig
@@ -36,6 +36,7 @@
 
 config MAINBOARD_PART_NUMBER
 	string
+	default "Asuka" if BOARD_GOOGLE_ASUKA
 	default "Caroline" if BOARD_GOOGLE_CAROLINE
 	default "Cave" if BOARD_GOOGLE_CAVE
 	default "Chell" if BOARD_GOOGLE_CHELL
@@ -49,6 +50,7 @@
 
 config VARIANT_DIR
 	string
+	default "asuka" if BOARD_GOOGLE_ASUKA
 	default "caroline" if BOARD_GOOGLE_CAROLINE
 	default "cave" if BOARD_GOOGLE_CAVE
 	default "chell" if BOARD_GOOGLE_CHELL
@@ -58,6 +60,7 @@
 
 config DEVICETREE
 	string
+	default "variants/asuka/devicetree.cb" if BOARD_GOOGLE_ASUKA
 	default "variants/caroline/devicetree.cb" if BOARD_GOOGLE_CAROLINE
 	default "variants/cave/devicetree.cb" if BOARD_GOOGLE_CAVE
 	default "variants/chell/devicetree.cb" if BOARD_GOOGLE_CHELL
@@ -93,8 +96,9 @@
 config GBB_HWID
 	string
 	depends on CHROMEOS
+	default "ASUKA TEST 2547" if BOARD_GOOGLE_ASUKA
 	default "CAROLINE TEST 0958" if BOARD_GOOGLE_CAROLINE
-	default "CAVE TEST 9629" if BOARD_GOOGLE_CAVE
+	default "CAVE TEST 6297" if BOARD_GOOGLE_CAVE
 	default "CHELL TEST 6297" if BOARD_GOOGLE_CHELL
 	default "GLADOS TEST 1988" if BOARD_GOOGLE_GLADOS
 	default "LARS TEST 5001" if BOARD_GOOGLE_LARS
diff --git a/src/mainboard/google/glados/Kconfig.name b/src/mainboard/google/glados/Kconfig.name
index d20230e..5162e48 100644
--- a/src/mainboard/google/glados/Kconfig.name
+++ b/src/mainboard/google/glados/Kconfig.name
@@ -1,5 +1,12 @@
 comment "Glados"
 
+config BOARD_GOOGLE_ASUKA
+	bool "->  Asuka (Dell Chromebook 13 3380)"
+	select BOARD_GOOGLE_BASEBOARD_GLADOS
+	select DRIVERS_GENERIC_MAX98357A
+	select EXCLUDE_NATIVE_SD_INTERFACE
+	select NHLT_MAX98357 if INCLUDE_NHLT_BLOBS
+
 config BOARD_GOOGLE_CAROLINE
 	bool "->  Caroline (Samsung Chromebook Pro)"
 	select BOARD_GOOGLE_BASEBOARD_GLADOS
diff --git a/src/mainboard/google/glados/variants/asuka/Makefile.inc b/src/mainboard/google/glados/variants/asuka/Makefile.inc
new file mode 100644
index 0000000..e8e2f23
--- /dev/null
+++ b/src/mainboard/google/glados/variants/asuka/Makefile.inc
@@ -0,0 +1,41 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2015 Google Inc.
+## Copyright (C) 2015 Intel Corporation
+##
+## 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.
+##
+
+romstage-y += variant.c
+ramstage-y += variant.c
+
+SPD_BIN = $(obj)/spd.bin
+
+SPD_SOURCES  = hynix_dimm_H9CCNNN8GTMLAR-NUD            # 0b0000 Single Channel 2GB
+SPD_SOURCES += hynix_dimm_H9CCNNN8GTMLAR-NUD            # 0b0001 Dual Channel 4GB
+SPD_SOURCES += samsung_dimm_K4E8E324EB-EGCF             # 0b0010 Single Channel 2GB
+SPD_SOURCES += samsung_dimm_K4E8E324EB-EGCF             # 0b0011 Dual Channel 4GB
+SPD_SOURCES += micron_dimm_MT52L256M32D1PF-107-1G-1866  # 0b0100 Single Channel 2GB
+SPD_SOURCES += micron_dimm_MT52L256M32D1PF-107-1G-1866  # 0b0101 Dual Channel 4GB
+
+SPD_DEPS := $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/spd/$(f).spd.hex)
+
+# Include spd ROM data
+$(SPD_BIN): $(SPD_DEPS)
+	for f in $+; \
+	  do for c in $$(cat $$f | grep -v ^#); \
+	    do printf $$(printf '\%o' 0x$$c); \
+	  done; \
+	done > $@
+
+cbfs-files-y += spd.bin
+spd.bin-file := $(SPD_BIN)
+spd.bin-type := spd
diff --git a/src/mainboard/google/glados/variants/asuka/data.vbt b/src/mainboard/google/glados/variants/asuka/data.vbt
new file mode 100644
index 0000000..8f2a7b0
--- /dev/null
+++ b/src/mainboard/google/glados/variants/asuka/data.vbt
Binary files differ
diff --git a/src/mainboard/google/glados/variants/asuka/devicetree.cb b/src/mainboard/google/glados/variants/asuka/devicetree.cb
new file mode 100644
index 0000000..cbd8b01
--- /dev/null
+++ b/src/mainboard/google/glados/variants/asuka/devicetree.cb
@@ -0,0 +1,288 @@
+chip soc/intel/skylake
+
+	# Enable deep Sx states
+	register "deep_s3_enable_ac" = "0"
+	register "deep_s3_enable_dc" = "0"
+	register "deep_s5_enable_ac" = "1"
+	register "deep_s5_enable_dc" = "1"
+	register "deep_sx_config" = "DSX_EN_LAN_WAKE_PIN"
+
+	# GPE configuration
+	# Note that GPE events called out in ASL code rely on this
+	# route. i.e. If this route changes then the affected GPE
+	# offset bits also need to be changed.
+	register "gpe0_dw0" = "GPP_B"
+	register "gpe0_dw1" = "GPP_D"
+	register "gpe0_dw2" = "GPP_E"
+
+	# EC host command ranges are in 0x800-0x8ff & 0x200-0x20f
+	register "gen1_dec" = "0x00fc0801"
+	register "gen2_dec" = "0x000c0201"
+
+	# Enable "Intel Speed Shift Technology"
+	register "speed_shift_enable" = "1"
+
+	# Enable DPTF
+	register "dptf_enable" = "1"
+
+	# FSP Configuration
+	register "EnableAzalia" = "1"
+	register "DspEnable" = "1"
+	register "IoBufferOwnership" = "3"
+	register "SmbusEnable" = "1"
+	register "ScsEmmcEnabled" = "1"
+	register "ScsEmmcHs400Enabled" = "1"
+	register "ScsSdCardEnabled" = "0"
+	register "InternalGfx" = "1"
+	register "SkipExtGfxScan" = "1"
+	register "Device4Enable" = "1"
+	register "HeciEnabled" = "0"
+	register "SaGv" = "3"
+	register "SerialIrqConfigSirqEnable" = "1"
+	register "PmConfigSlpS3MinAssert" = "2"        # 50ms
+	register "PmConfigSlpS4MinAssert" = "4"        # 4s
+	register "PmConfigSlpSusMinAssert" = "3"       # 4s
+	register "PmConfigSlpAMinAssert" = "3"         # 2s
+	register "PmTimerDisabled" = "1"
+
+	register "pirqa_routing" = "PCH_IRQ11"
+	register "pirqb_routing" = "PCH_IRQ10"
+	register "pirqc_routing" = "PCH_IRQ11"
+	register "pirqd_routing" = "PCH_IRQ11"
+	register "pirqe_routing" = "PCH_IRQ11"
+	register "pirqf_routing" = "PCH_IRQ11"
+	register "pirqg_routing" = "PCH_IRQ11"
+	register "pirqh_routing" = "PCH_IRQ11"
+
+	# VR Settings Configuration for 5 Domains
+	#+----------------+-------+-------+-------------+-------------+-------+
+	#| Domain/Setting |  SA   |  IA   | Ring Sliced | GT Unsliced |  GT   |
+	#+----------------+-------+-------+-------------+-------------+-------+
+	#| Psi1Threshold  | 20A   | 20A   | 20A         | 20A         | 20A   |
+	#| Psi2Threshold  | 4A    | 5A    | 5A          | 5A          | 5A    |
+	#| Psi3Threshold  | 1A    | 1A    | 1A          | 1A          | 1A    |
+	#| Psi3Enable     | 1     | 1     | 1           | 1           | 1     |
+	#| Psi4Enable     | 1     | 1     | 1           | 1           | 1     |
+	#| ImonSlope      | 0     | 0     | 0           | 0           | 0     |
+	#| ImonOffset     | 0     | 0     | 0           | 0           | 0     |
+	#| IccMax         | 7A    | 34A   | 34A         | 35A         | 35A   |
+	#| VrVoltageLimit | 1.52V | 1.52V | 1.52V       | 1.52V       | 1.52V |
+	#+----------------+-------+-------+-------------+-------------+-------+
+	register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
+		.vr_config_enable = 1,
+		.psi1threshold = VR_CFG_AMP(20),
+		.psi2threshold = VR_CFG_AMP(4),
+		.psi3threshold = VR_CFG_AMP(1),
+		.psi3enable = 1,
+		.psi4enable = 1,
+		.imon_slope = 0x0,
+		.imon_offset = 0x0,
+		.icc_max = VR_CFG_AMP(7),
+		.voltage_limit = 1520,
+	}"
+
+	register "domain_vr_config[VR_IA_CORE]" = "{
+		.vr_config_enable = 1,
+		.psi1threshold = VR_CFG_AMP(20),
+		.psi2threshold = VR_CFG_AMP(5),
+		.psi3threshold = VR_CFG_AMP(1),
+		.psi3enable = 1,
+		.psi4enable = 1,
+		.imon_slope = 0x0,
+		.imon_offset = 0x0,
+		.icc_max = VR_CFG_AMP(34),
+		.voltage_limit = 1520,
+	}"
+
+	register "domain_vr_config[VR_RING]" = "{
+		.vr_config_enable = 1,
+		.psi1threshold = VR_CFG_AMP(20),
+		.psi2threshold = VR_CFG_AMP(5),
+		.psi3threshold = VR_CFG_AMP(1),
+		.psi3enable = 1,
+		.psi4enable = 1,
+		.imon_slope = 0x0,
+		.imon_offset = 0x0,
+		.icc_max = VR_CFG_AMP(34),
+		.voltage_limit = 1520,
+	}"
+
+	register "domain_vr_config[VR_GT_UNSLICED]" = "{
+		.vr_config_enable = 1,
+		.psi1threshold = VR_CFG_AMP(20),
+		.psi2threshold = VR_CFG_AMP(5),
+		.psi3threshold = VR_CFG_AMP(1),
+		.psi3enable = 1,
+		.psi4enable = 1,
+		.imon_slope = 0x0,
+		.imon_offset = 0x0,
+		.icc_max = VR_CFG_AMP(35),
+		.voltage_limit = 1520,
+	}"
+
+	register "domain_vr_config[VR_GT_SLICED]" = "{
+		.vr_config_enable = 1,
+		.psi1threshold = VR_CFG_AMP(20),
+		.psi2threshold = VR_CFG_AMP(5),
+		.psi3threshold = VR_CFG_AMP(1),
+		.psi3enable = 1,
+		.psi4enable = 1,
+		.imon_slope = 0x0,
+		.imon_offset = 0x0,
+		.icc_max = VR_CFG_AMP(35),
+		.voltage_limit = 1520,
+	}"
+
+	# Enable Root port 1
+	register "PcieRpEnable[0]" = "1"
+	# Enable CLKREQ#
+	register "PcieRpClkReqSupport[0]" = "1"
+	# RP 1 uses SRCCLKREQ1#
+	register "PcieRpClkReqNumber[0]" = "1"
+
+	register "usb2_ports[0]" = "USB2_PORT_TYPE_C(OC0)"	# Type-C Port 1
+	register "usb2_ports[1]" = "USB2_PORT_MID(OC2)"		# Card Reader
+	register "usb2_ports[2]" = "USB2_PORT_MID(OC_SKIP)"	# Bluetooth
+	register "usb2_ports[4]" = "USB2_PORT_MID(OC2)"		# Type-A Port (board)
+	register "usb2_ports[6]" = "USB2_PORT_FLEX(OC_SKIP)"	# Camera
+	register "usb2_ports[7]" = "USB2_PORT_MID(OC_SKIP)"	# PIC MCU
+	register "usb2_ports[8]" = "USB2_PORT_LONG(OC3)"	# Type-A Port (board)
+
+	register "usb3_ports[0]" = "USB3_PORT_DEFAULT(OC0)"	# Type-C Port 1
+	register "usb3_ports[1]" = "USB3_PORT_DEFAULT(OC_SKIP)"	# Card Reader
+	register "usb3_ports[2]" = "USB3_PORT_DEFAULT(OC2)"	# Type-A Port (board)
+	register "usb3_ports[3]" = "USB3_PORT_DEFAULT(OC3)"	# Type-A Port (board)
+
+	register "i2c_voltage[4]" = "I2C_VOLTAGE_1V8"  # I2C4 is 1.8V
+
+	# Must leave UART0 enabled or SD/eMMC will not work as PCI
+	register "SerialIoDevMode" = "{
+		[PchSerialIoIndexI2C0]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C1]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C2]  = PchSerialIoDisabled,
+		[PchSerialIoIndexI2C3]  = PchSerialIoDisabled,
+		[PchSerialIoIndexI2C4]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C5]  = PchSerialIoDisabled,
+		[PchSerialIoIndexSpi0]  = PchSerialIoDisabled,
+		[PchSerialIoIndexSpi1]  = PchSerialIoDisabled,
+		[PchSerialIoIndexUart0] = PchSerialIoPci,
+		[PchSerialIoIndexUart1] = PchSerialIoDisabled,
+		[PchSerialIoIndexUart2] = PchSerialIoSkipInit,
+	}"
+
+	# PL2 override 25W
+	register "tdp_pl2_override" = "25"
+
+	# Send an extra VR mailbox command for the PS4 exit issue
+	register "SendVrMbxCmd" = "2"
+
+	# Lock Down
+	register "common_soc_config" = "{
+		.chipset_lockdown = CHIPSET_LOCKDOWN_COREBOOT,
+	}"
+
+	device cpu_cluster 0 on
+		device lapic 0 on end
+	end
+	device domain 0 on
+		device pci 00.0 on  end # Host Bridge
+		device pci 02.0 on  end # Integrated Graphics Device
+		device pci 14.0 on  end # USB xHCI
+		device pci 14.1 off end # USB xDCI (OTG)
+		device pci 14.2 on  end # Thermal Subsystem
+		device pci 15.0 on
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0001""
+				register "desc" = ""ELAN Touchscreen""
+				register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)"
+				device i2c 10 on end
+			end
+		end # I2C #0
+		device pci 15.1 on
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0000""
+				register "desc" = ""ELAN Touchpad""
+				register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_B3_IRQ)"
+				register "wake" = "GPE0_DW0_05"
+				device i2c 15 on end
+			end
+		end # I2C #1
+		device pci 15.2 off end # I2C #2
+		device pci 15.3 off end # I2C #3
+		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 Redirection
+		device pci 16.4 off end # Management Engine Interface 3
+		device pci 17.0 off end # SATA
+		device pci 19.0 on  end # UART #2
+		device pci 19.1 off end # I2C #5
+		device pci 19.2 on
+			chip drivers/i2c/nau8825
+				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_F10_IRQ)"
+				register "jkdet_enable" = "1"
+				register "jkdet_pull_enable" = "0"   # R389
+				register "jkdet_polarity" = "1"      # ActiveLow
+				register "vref_impedance" = "2"      # 125kOhm
+				register "micbias_voltage" = "6"     # 2.754
+				register "sar_threshold_num" = "4"
+				register "sar_threshold[0]" = "0x08"
+				register "sar_threshold[1]" = "0x12"
+				register "sar_threshold[2]" = "0x26"
+				register "sar_threshold[3]" = "0x73"
+				register "sar_hysteresis" = "0"
+				register "sar_voltage" = "6"
+				register "sar_compare_time" = "1"     # 1us
+				register "sar_sampling_time" = "1"    # 4us
+				register "short_key_debounce" = "3"   # 30ms
+				register "jack_insert_debounce" = "7" # 512ms
+				register "jack_eject_debounce" = "0"
+				device i2c 1a on end
+			end
+		end # I2C #4
+		device pci 1c.0 on
+			chip drivers/intel/wifi
+				register "wake" = "GPE0_DW0_16"
+				device pci 00.0 on end
+			end
+		end # PCI Express Port 1
+		device pci 1c.1 off end # PCI Express Port 2
+		device pci 1c.2 off end # PCI Express Port 3
+		device pci 1c.3 off end # PCI Express Port 4
+		device pci 1c.4 off end # PCI Express Port 5
+		device pci 1c.5 off end # PCI Express Port 6
+		device pci 1c.6 off end # PCI Express Port 7
+		device pci 1c.7 off end # PCI Express Port 8
+		device pci 1d.0 off end # PCI Express Port 9
+		device pci 1d.1 off end # PCI Express Port 10
+		device pci 1d.2 off end # PCI Express Port 11
+		device pci 1d.3 off end # PCI Express Port 12
+		device pci 1e.0 on  end # UART #0
+		device pci 1e.1 off end # UART #1
+		device pci 1e.2 off end # GSPI #0
+		device pci 1e.3 off end # GSPI #1
+		device pci 1e.4 on  end # eMMC
+		device pci 1e.5 off end # SDIO
+		device pci 1e.6 off end # SDCard
+		device pci 1f.0 on
+			chip drivers/pc80/tpm
+				device pnp 0c31.0 on end
+			end
+			chip ec/google/chromeec
+				device pnp 0c09.0 on end
+			end
+		end # LPC Interface
+		device pci 1f.1 on  end # P2SB
+		device pci 1f.2 on  end # Power Management Controller
+		device pci 1f.3 on
+			chip drivers/generic/max98357a
+				register "sdmode_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E3)"
+				register "sdmode_delay" = "5"
+				device generic 0 on end
+			end
+		end # Intel HDA
+		device pci 1f.4 on  end # SMBus
+		device pci 1f.5 on  end # PCH SPI
+		device pci 1f.6 off end # GbE
+	end
+end
diff --git a/src/mainboard/google/glados/variants/asuka/include/variant/acpi/dptf.asl b/src/mainboard/google/glados/variants/asuka/include/variant/acpi/dptf.asl
new file mode 100644
index 0000000..c2d2914
--- /dev/null
+++ b/src/mainboard/google/glados/variants/asuka/include/variant/acpi/dptf.asl
@@ -0,0 +1,142 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2015 Intel Corporation
+ *
+ * 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.
+ */
+
+#define DPTF_CPU_PASSIVE	101
+#define DPTF_CPU_CRITICAL	106
+
+#define DPTF_TSR0_SENSOR_ID	0
+#define DPTF_TSR0_SENSOR_NAME	"TMP432_Memory"
+#define DPTF_TSR0_PASSIVE	74
+#define DPTF_TSR0_CRITICAL	79
+#define DPTF_TSR0_ACTIVE_AC0	120
+#define DPTF_TSR0_ACTIVE_AC1	110
+#define DPTF_TSR0_ACTIVE_AC2	47
+#define DPTF_TSR0_ACTIVE_AC3	44
+#define DPTF_TSR0_ACTIVE_AC4	41
+#define DPTF_TSR0_ACTIVE_AC5	38
+#define DPTF_TSR0_ACTIVE_AC6	35
+
+#define DPTF_TSR1_SENSOR_ID	1
+#define DPTF_TSR1_SENSOR_NAME	"TMP432_PCH"
+#define DPTF_TSR1_PASSIVE	72
+#define DPTF_TSR1_CRITICAL	77
+#define DPTF_TSR1_ACTIVE_AC0	45
+#define DPTF_TSR1_ACTIVE_AC1	42
+#define DPTF_TSR1_ACTIVE_AC2	39
+#define DPTF_TSR1_ACTIVE_AC3	36
+#define DPTF_TSR1_ACTIVE_AC4	33
+
+#define DPTF_TSR2_SENSOR_ID	2
+#define DPTF_TSR2_SENSOR_NAME	"TMP432_Battery"
+#define DPTF_TSR2_PASSIVE	67
+#define DPTF_TSR2_CRITICAL	72
+
+#define DPTF_ENABLE_CHARGER
+#define DPTF_ENABLE_FAN_CONTROL
+#define DPTF_ENABLE_FAN_CONTROL_TSR1
+
+/* Charger performance states, board-specific values from charger and EC */
+Name (CHPS, Package () {
+	Package () { 0, 0, 0, 0, 255, 0x6a4, "mA", 0 },	/* 1.7A (MAX) */
+	Package () { 0, 0, 0, 0, 24, 0x600, "mA", 0 },	/* 1.5A */
+	Package () { 0, 0, 0, 0, 16, 0x400, "mA", 0 },	/* 1.0A */
+	Package () { 0, 0, 0, 0, 8, 0x200, "mA", 0 },	/* 0.5A */
+	Package () { 0, 0, 0, 0, 0, 0x000, "mA", 0 },	/* 0.0A */
+})
+
+#ifdef DPTF_ENABLE_FAN_CONTROL
+/* DFPS: Fan Performance States */
+Name (DFPS, Package () {
+	0,	// Revision
+	/*
+	 * TODO : Need to update this Table after characterization.
+	 *	  These are initial reference values.
+	 */
+	/* Control, Trip Point, Speed, NoiseLevel, Power */
+	Package () {100,	0xFFFFFFFF,	4986,	220,	2200},
+	Package () {90,		0xFFFFFFFF,	4804,	180,	1800},
+	Package () {80,		0xFFFFFFFF,	4512,	145,	1450},
+	Package () {70,		0xFFFFFFFF,	4204,	115,	1150},
+	Package () {60,		0xFFFFFFFF,	3838,	90,	900},
+	Package () {50,		0xFFFFFFFF,	3402,	65,	650},
+	Package () {40,		0xFFFFFFFF,	2904,	45,	450},
+	Package () {30,		0xFFFFFFFF,	2337,	30,	300},
+	Package () {20,		0xFFFFFFFF,	1608,	15,	150},
+	Package () {10,		0xFFFFFFFF,	800,	10,	100},
+	Package () {0,		0xFFFFFFFF,	0,	0,	50}
+})
+
+Name (DART, Package () {
+	/* Fan effect on CPU */
+	0,	// Revision
+	Package () {
+		/*
+		 * Source, Target, Weight, AC0, AC1, AC2, AC3, AC4, AC5, AC6,
+		 *	AC7, AC8, AC9
+		 */
+		\_SB.DPTF.TFN1, \_SB.PCI0.B0D4, 100, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0
+	},
+	Package () {
+		\_SB.DPTF.TFN1, \_SB.DPTF.TSR0, 100, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0
+	},
+	Package () {
+		\_SB.DPTF.TFN1, \_SB.DPTF.TSR1, 100, 79, 66, 50, 41, 39, 0,
+			0, 0, 0, 0
+	}
+})
+#endif
+
+Name (DTRT, Package () {
+	/* CPU Throttle Effect on CPU */
+	Package () { \_SB.PCI0.B0D4, \_SB.PCI0.B0D4, 100, 10, 0, 0, 0, 0 },
+
+	/* CPU Effect on Temp Sensor 0 */
+	Package () { \_SB.PCI0.B0D4, \_SB.DPTF.TSR0, 100, 10, 0, 0, 0, 0 },
+
+#ifdef DPTF_ENABLE_CHARGER
+	/* Charger Effect on Temp Sensor 1 */
+	Package () { \_SB.DPTF.TCHG, \_SB.DPTF.TSR1, 200, 10, 0, 0, 0, 0 },
+#endif
+
+	/* CPU Effect on Temp Sensor 1 */
+	Package () { \_SB.PCI0.B0D4, \_SB.DPTF.TSR1, 100, 10, 0, 0, 0, 0 },
+
+	/* CPU Effect on Temp Sensor 2 */
+	Package () { \_SB.PCI0.B0D4, \_SB.DPTF.TSR2, 100, 10, 0, 0, 0, 0 },
+})
+
+Name (MPPC, Package ()
+{
+	0x2,		/* Revision */
+	Package () {	/* Power Limit 1 */
+		0,	/* PowerLimitIndex, 0 for Power Limit 1 */
+		3000,	/* PowerLimitMinimum */
+		15000,	/* PowerLimitMaximum */
+		28000,	/* TimeWindowMinimum */
+		28000,	/* TimeWindowMaximum */
+		100	/* StepSize */
+	},
+	Package () {	/* Power Limit 2 */
+		1,	/* PowerLimitIndex, 1 for Power Limit 2 */
+		25000,	/* PowerLimitMinimum */
+		25000,	/* PowerLimitMaximum */
+		1000,	/* TimeWindowMinimum */
+		1000,	/* TimeWindowMaximum */
+		100	/* StepSize */
+	}
+})
diff --git a/src/mainboard/google/glados/variants/asuka/include/variant/acpi/mainboard.asl b/src/mainboard/google/glados/variants/asuka/include/variant/acpi/mainboard.asl
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/mainboard/google/glados/variants/asuka/include/variant/acpi/mainboard.asl
diff --git a/src/mainboard/google/glados/variants/asuka/include/variant/ec.h b/src/mainboard/google/glados/variants/asuka/include/variant/ec.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/mainboard/google/glados/variants/asuka/include/variant/ec.h
diff --git a/src/mainboard/google/glados/variants/asuka/include/variant/gpio.h b/src/mainboard/google/glados/variants/asuka/include/variant/gpio.h
new file mode 100644
index 0000000..30c0b01
--- /dev/null
+++ b/src/mainboard/google/glados/variants/asuka/include/variant/gpio.h
@@ -0,0 +1,238 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2015 Intel Corporation
+ *
+ * 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.
+ */
+
+#ifndef MAINBOARD_GPIO_H
+#define MAINBOARD_GPIO_H
+
+#include <soc/gpe.h>
+#include <soc/gpio.h>
+
+/* EC in RW */
+#define GPIO_EC_IN_RW		GPP_C6
+
+/* BIOS Flash Write Protect */
+#define GPIO_PCH_WP		GPP_C23
+
+/* Memory configuration board straps */
+#define GPIO_MEM_CONFIG_0	GPP_C12
+#define GPIO_MEM_CONFIG_1	GPP_C13
+#define GPIO_MEM_CONFIG_2	GPP_C14
+#define GPIO_MEM_CONFIG_3	GPP_C15
+
+/* EC wake is LAN_WAKE# which is a special DeepSX wake pin */
+#define GPE_EC_WAKE		GPE0_LAN_WAK
+
+/* GPP_B16 is WLAN_WAKE. GPP_B group is routed to DW0 in the GPE0 block */
+#define GPE_WLAN_WAKE		GPE0_DW0_16
+
+/* GPP_B5 is TOUCHPAD WAKE. GPP_B group is routed to DW0 in the GPE0 block */
+#define GPE_TOUCHPAD_WAKE       GPE0_DW0_05
+
+/* Input device interrupt configuration */
+#define TOUCHPAD_INT_L		GPP_B3_IRQ
+#define TOUCHSCREEN_INT_L	GPP_E7_IRQ
+#define MIC_INT_L		GPP_F10_IRQ
+
+/* GPP_E16 is EC_SCI_L. GPP_E group is routed to DW2 in the GPE0 block */
+#define EC_SCI_GPI		GPE0_DW2_16
+#define EC_SMI_GPI		GPP_E15
+
+/*
+ * GPP_E3 is AUDIO_DB_ID.
+ * It is a dual purpose GPIO, used for Audio Daughter
+ * Board Identification & to control the shutdown mode pin
+ * of the Maxim amp.
+ */
+#define AUDIO_DB_ID		GPP_E3
+
+#ifndef __ACPI__
+/* Pad configuration in ramstage. */
+static const struct pad_config gpio_table[] = {
+/* EC_PCH_RCIN */	PAD_CFG_NF(GPP_A0, NONE, DEEP, NF1),
+/* LPC_LAD_0 */		PAD_CFG_NF(GPP_A1, 20K_PU, DEEP, NF1),
+/* LPC_LAD_1 */		PAD_CFG_NF(GPP_A2, 20K_PU, DEEP, NF1),
+/* LPC_LAD_2 */		PAD_CFG_NF(GPP_A3, 20K_PU, DEEP, NF1),
+/* LPC_LAD_3 */		PAD_CFG_NF(GPP_A4, 20K_PU, DEEP, NF1),
+/* LPC_FRAME */		PAD_CFG_NF(GPP_A5, NONE, DEEP, NF1),
+/* LPC_SERIRQ */	PAD_CFG_NF(GPP_A6, NONE, DEEP, NF1),
+/* SD_CD_WAKE */	PAD_CFG_GPI_GPIO_DRIVER(GPP_A7, 20K_PU, DEEP),
+/* LPC_CLKRUN */	PAD_CFG_NF(GPP_A8, NONE, DEEP, NF1),
+/* EC_LPC_CLK */	PAD_CFG_NF(GPP_A9, NONE, DEEP, NF1),
+/* PCH_LPC_CLK */	PAD_CFG_NC(GPP_A10),
+/* EC_HID_INT */	PAD_CFG_NC(GPP_A11),
+/* ISH_KB_PROX_INT */	PAD_CFG_NC(GPP_A12),
+/* PCH_SUSPWRACB */	PAD_CFG_NF(GPP_A13, NONE, DEEP, NF1),
+/* PM_SUS_STAT */	PAD_CFG_NC(GPP_A14),
+/* PCH_SUSACK */	PAD_CFG_NF(GPP_A15, NONE, DEEP, NF1),
+/* SD_1P8_SEL */	PAD_CFG_NC(GPP_A16),
+/* SD_PWR_EN */  	PAD_CFG_NC(GPP_A17),
+/* ACCEL INTERRUPT */	PAD_CFG_NC(GPP_A18),
+/* ISH_GP1 */		PAD_CFG_NC(GPP_A19),
+/* GYRO_DRDY */ 	PAD_CFG_NC(GPP_A20),
+/* FLIP_ACCEL_INT */	PAD_CFG_NC(GPP_A21),
+/* GYRO_INT */		PAD_CFG_NC(GPP_A22),
+/* ISH_GP5 */		PAD_CFG_NC(GPP_A23),
+/* CORE_VID0 */ 	PAD_CFG_NC(GPP_B0),
+/* CORE_VID1 */ 	PAD_CFG_NC(GPP_B1),
+/* HSJ_MIC_DET */	PAD_CFG_GPI_GPIO_DRIVER(GPP_B2, NONE, DEEP),
+/* TRACKPAD_INT */	PAD_CFG_GPI_APIC(GPP_B3, NONE, PLTRST),
+/* BT_RF_KILL */	PAD_CFG_NC(GPP_B4),
+/* SRCCLKREQ0# */	PAD_CFG_GPI_ACPI_SCI(GPP_B5, NONE, DEEP, YES), /* TOUCHPAD WAKE */
+/* WIFI_CLK_REQ */	PAD_CFG_NF(GPP_B6, NONE, DEEP, NF1),
+/* SRCCLKREQ2 */	PAD_CFG_NC(GPP_B7),
+/* AUDIO_INT_WAK */	PAD_CFG_GPI_ACPI_SCI(GPP_B8, NONE, DEEP, YES),
+/* SRCCLKREQ4 */	PAD_CFG_NC(GPP_B9),
+/* SRCCLKREQ5# */	PAD_CFG_NC(GPP_B10),
+/* MPHY_EXT_PWR_GATE */ PAD_CFG_NC(GPP_B11),
+/* PM_SLP_S0 */  	PAD_CFG_NF(GPP_B12, NONE, DEEP, NF1),
+/* PCH_PLT_RST */	PAD_CFG_NF(GPP_B13, NONE, DEEP, NF1),
+/* PCH_BUZZER */	PAD_CFG_GPI_GPIO_DRIVER(GPP_B14, NONE, DEEP),
+/* GSPI0_CS# */ 	PAD_CFG_NC(GPP_B15),
+/* WLAN_PCIE_WAKE */	PAD_CFG_GPI_ACPI_SCI(GPP_B16, NONE, DEEP, YES),
+/* SSD_PCIE_WAKE */	PAD_CFG_NC(GPP_B17),
+/* GSPI0_MOSI */	PAD_CFG_NC(GPP_B18),
+/* CCODEC_SPI_CS */	PAD_CFG_NC(GPP_B19),
+/* CODEC_SPI_CLK */	PAD_CFG_NC(GPP_B20),
+/* CODEC_SPI_MISO */	PAD_CFG_NC(GPP_B21),
+/* CODEC_SPI_MOSI */	PAD_CFG_NC(GPP_B22),
+/* SM1ALERT# */ 	PAD_CFG_NC(GPP_B23),
+/* SMB_CLK */		PAD_CFG_NF(GPP_C0, NONE, DEEP, NF1),
+/* SMB_DATA */		PAD_CFG_NF(GPP_C1, NONE, DEEP, NF1),
+/* SMBALERT# */  	PAD_CFG_GPO(GPP_C2, 0, DEEP),
+/* M2_WWAN_PWREN */	PAD_CFG_NC(GPP_C3),
+/* SML0DATA */		PAD_CFG_NC(GPP_C4),
+/* SML0ALERT# */	PAD_CFG_NC(GPP_C5),
+/* EC_IN_RW */		PAD_CFG_GPI_GPIO_DRIVER(GPP_C6, NONE, DEEP),
+/* USB_CTL */		PAD_CFG_NC(GPP_C7),
+/* UART0_RXD */		PAD_CFG_NC(GPP_C8),
+/* UART0_TXD */		PAD_CFG_NC(GPP_C9),
+/* NFC_RST* */		PAD_CFG_NC(GPP_C10),
+/* EN_PP3300_KEPLER */	PAD_CFG_NC(GPP_C11),
+/* PCH_MEM_CFG0 */	PAD_CFG_GPI_GPIO_DRIVER(GPP_C12, NONE, DEEP),
+/* PCH_MEM_CFG1 */	PAD_CFG_GPI_GPIO_DRIVER(GPP_C13, NONE, DEEP),
+/* PCH_MEM_CFG2 */	PAD_CFG_GPI_GPIO_DRIVER(GPP_C14, NONE, DEEP),
+/* PCH_MEM_CFG3 */	PAD_CFG_GPI_GPIO_DRIVER(GPP_C15, NONE, DEEP),
+/* I2C0_SDA */		PAD_CFG_NF(GPP_C16, 5K_PU, DEEP, NF1),
+/* I2C0_SCL */		PAD_CFG_NF(GPP_C17, 5K_PU, DEEP, NF1),
+/* I2C1_SDA */		PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
+/* I2C1_SCL */		PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
+/* GD_UART2_RXD */	PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1),
+/* GD_UART2_TXD */	PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1),
+/* TCH_PNL_PWREN */	PAD_CFG_GPO(GPP_C22, 1, DEEP),
+/* SPI_WP_STATUS */	PAD_CFG_GPI_GPIO_DRIVER(GPP_C23, 20K_PU, DEEP),
+/* ITCH_SPI_CS */	PAD_CFG_NC(GPP_D0),
+/* ITCH_SPI_CLK */	PAD_CFG_NC(GPP_D1),
+/* ITCH_SPI_MISO_1 */	PAD_CFG_NC(GPP_D2),
+/* ITCH_SPI_MISO_0 */	PAD_CFG_NC(GPP_D3),
+/* CAM_FLASH_STROBE */	PAD_CFG_NC(GPP_D4),
+/* EN_PP3300_DX_EMMC */ PAD_CFG_NC(GPP_D5),
+/* EN_PP1800_DX_EMMC */ PAD_CFG_NC(GPP_D6),
+/* SH_I2C1_SDA */	PAD_CFG_NC(GPP_D7),
+/* SH_I2C1_SCL */	PAD_CFG_NC(GPP_D8),
+/* ISH_SPI_CSB */ 	PAD_CFG_NC(GPP_D9),
+/* USB_A0_ILIM_SEL */	PAD_CFG_GPO(GPP_D10, 0, DEEP),
+/* USB_A1_ILIM_SEL */	PAD_CFG_GPO(GPP_D11, 0, DEEP),
+/* EN_PP3300_DX_CAM */	PAD_CFG_NC(GPP_D12),
+/* EN_PP1800_DX_AUDIO */PAD_CFG_NC(GPP_D13),
+/* ISH_UART0_TXD */	PAD_CFG_NC(GPP_D14),
+/* ISH_UART0_RTS */	PAD_CFG_NC(GPP_D15),
+/* ISH_UART0_CTS */	PAD_CFG_NC(GPP_D16),
+/* DMIC_CLK_1 */	PAD_CFG_NC(GPP_D17),
+/* DMIC_DATA_1 */	PAD_CFG_NC(GPP_D18),
+/* DMIC_CLK_0 */	PAD_CFG_NF(GPP_D19, NONE, DEEP, NF1),
+/* DMIC_DATA_0 */	PAD_CFG_NF(GPP_D20, NONE, DEEP, NF1),
+/* ITCH_SPI_D2 */	PAD_CFG_NC(GPP_D21),
+/* ITCH_SPI_D3 */	PAD_CFG_NC(GPP_D22),
+/* I2S_MCLK */		PAD_CFG_NF(GPP_D23, NONE, DEEP, NF1),
+/* SPI_TPM_IRQ */	PAD_CFG_GPI_APIC(GPP_E0, NONE, PLTRST),
+/* SATAXPCIE1 */	PAD_CFG_NC(GPP_E1),
+/* SSD_PEDET */ 	PAD_CFG_NC(GPP_E2),
+/* AUDIO_DB_ID */	PAD_CFG_GPI_GPIO_DRIVER(GPP_E3, NONE, DEEP),
+/* SSD_SATA_DEVSLP */	PAD_CFG_NC(GPP_E4),
+/* SATA_DEVSLP1 */	PAD_CFG_NC(GPP_E5),
+/* SATA_DEVSLP2 */	PAD_CFG_NC(GPP_E6),
+/* TCH_PNL_INTR* */	PAD_CFG_GPI_APIC(GPP_E7, NONE, PLTRST),
+/* SATALED# */		PAD_CFG_NC(GPP_E8),
+/* USB2_OC_0 */  	PAD_CFG_NF(GPP_E9, NONE, DEEP, NF1),
+/* USB2_OC_1 */  	PAD_CFG_NF(GPP_E10, NONE, DEEP, NF1),
+/* USB2_OC_2 */  	PAD_CFG_NF(GPP_E11, NONE, DEEP, NF1),
+/* USB2_OC_3 */  	PAD_CFG_NF(GPP_E12, NONE, DEEP, NF1),
+/* DDI1_HPD */		PAD_CFG_NF(GPP_E13, NONE, DEEP, NF1),
+/* DDI2_HPD */		PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1),
+/* EC_SMI */		PAD_CFG_GPI_ACPI_SMI(GPP_E15, NONE, DEEP, YES),
+/* EC_SCI */		PAD_CFG_GPI_ACPI_SCI(GPP_E16, NONE, DEEP, YES),
+/* EDP_HPD */		PAD_CFG_NF(GPP_E17, NONE, DEEP, NF1),
+/* DDPB_CTRLCLK */	PAD_CFG_NF(GPP_E18, NONE, DEEP, NF1),
+/* DDPB_CTRLDATA */	PAD_CFG_NF(GPP_E19, NONE, DEEP, NF1),
+/* DDPC_CTRLCLK */	PAD_CFG_NC(GPP_E20),
+/* DDPC_CTRLDATA */	PAD_CFG_NF(GPP_E21, NONE, DEEP, NF1),
+
+/* DDPD_CTRLCLK */	PAD_CFG_NC(GPP_E22),
+/* TCH_PNL_RST */	PAD_CFG_GPO(GPP_E23, 1, DEEP),
+/* I2S2_SCLK */  	PAD_CFG_NC(GPP_F0),
+/* I2S2_SFRM */  	PAD_CFG_NC(GPP_F1),
+/* I2S2_TXD */		PAD_CFG_NC(GPP_F2),
+/* I2S2_RXD */		PAD_CFG_NC(GPP_F3),
+/* I2C2_SDA */		PAD_CFG_NC(GPP_F4),
+/* I2C2_SCL */		PAD_CFG_NC(GPP_F5),
+/* I2C3_SDA */		PAD_CFG_NC(GPP_F6),
+/* I2C3_SCL */		PAD_CFG_NC(GPP_F7),
+/* I2C4_SDA */		PAD_CFG_NF(GPP_F8, NONE, DEEP, NF1),
+/* I2C4_SDA */		PAD_CFG_NF(GPP_F9, NONE, DEEP, NF1),
+/* AUDIO_IRQ */  	PAD_CFG_GPI_APIC(GPP_F10, NONE, PLTRST),
+/* AUDIO_IRQ */  	PAD_CFG_GPI_ACPI_SCI(GPP_F11, NONE, DEEP, YES),
+/* EMMC_CMD */		PAD_CFG_NF(GPP_F12, NONE, DEEP, NF1),
+/* EMMC_DATA0 */	PAD_CFG_NF(GPP_F13, NONE, DEEP, NF1),
+/* EMMC_DATA1 */	PAD_CFG_NF(GPP_F14, NONE, DEEP, NF1),
+/* EMMC_DATA2 */	PAD_CFG_NF(GPP_F15, NONE, DEEP, NF1),
+/* EMMC_DATA3 */	PAD_CFG_NF(GPP_F16, NONE, DEEP, NF1),
+/* EMMC_DATA4 */	PAD_CFG_NF(GPP_F17, NONE, DEEP, NF1),
+/* EMMC_DATA5 */	PAD_CFG_NF(GPP_F18, NONE, DEEP, NF1),
+/* EMMC_DATA6 */	PAD_CFG_NF(GPP_F19, NONE, DEEP, NF1),
+/* EMMC_DATA7 */	PAD_CFG_NF(GPP_F20, NONE, DEEP, NF1),
+/* EMMC_RCLK */		PAD_CFG_NF(GPP_F21, NONE, DEEP, NF1),
+/* EMMC_CLK */		PAD_CFG_NF(GPP_F22, NONE, DEEP, NF1),
+/* BOOT_BEEP */		PAD_CFG_GPO(GPP_F23, 0, DEEP),
+/* SD_CMD */		PAD_CFG_NC(GPP_G0),
+/* SD_DATA0 */		PAD_CFG_NC(GPP_G1),
+/* SD_DATA1 */		PAD_CFG_NC(GPP_G2),
+/* SD_DATA2 */		PAD_CFG_NC(GPP_G3),
+/* SD_DATA3 */		PAD_CFG_NC(GPP_G4),
+/* SD_CD# */		PAD_CFG_NC(GPP_G5),
+/* SD_CLK */		PAD_CFG_NC(GPP_G6),
+/* SD_WP */		PAD_CFG_NC(GPP_G7),
+/* PCH_BATLOW */	PAD_CFG_NF(GPD0, NONE, DEEP, NF1),
+/* EC_PCH_ACPRESENT */	PAD_CFG_NF(GPD1, NONE, DEEP, NF1),
+/* EC_PCH_WAKE */	PAD_CFG_NF(GPD2, NONE, DEEP, NF1),
+/* EC_PCH_PWRBTN */	PAD_CFG_NF(GPD3, NONE, DEEP, NF1),
+/* PM_SLP_S3# */	PAD_CFG_NF(GPD4, NONE, DEEP, NF1),
+/* PM_SLP_S4# */	PAD_CFG_NF(GPD5, NONE, DEEP, NF1),
+/* PM_SLP_SA# */	PAD_CFG_NF(GPD6, NONE, DEEP, NF1),
+/* GPD7 */		PAD_CFG_NC(GPD7),
+/* PM_SUSCLK */  	PAD_CFG_NF(GPD8, NONE, DEEP, NF1),
+/* PCH_SLP_WLAN# */	PAD_CFG_NC(GPD9),
+/* PM_SLP_S5# */	PAD_CFG_NC(GPD10),
+/* LANPHYC */		PAD_CFG_NC(GPD11),
+};
+
+/* Early pad configuration in romstage. */
+static const struct pad_config early_gpio_table[] = {
+/* SPI_WP_STATUS */	PAD_CFG_GPI_GPIO_DRIVER(GPP_C23, 20K_PU, DEEP),
+};
+
+#endif
+
+#endif
diff --git a/src/mainboard/google/glados/variants/asuka/variant.c b/src/mainboard/google/glados/variants/asuka/variant.c
new file mode 100644
index 0000000..326ee8a
--- /dev/null
+++ b/src/mainboard/google/glados/variants/asuka/variant.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Google Inc.
+ * Copyright (C) 2015 Intel Corporation
+ *
+ * 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.
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <baseboard/variant.h>
+#include <soc/pei_data.h>
+#include <soc/pei_wrapper.h>
+
+void mainboard_fill_pei_data(struct pei_data *pei_data)
+{
+	/* DQ byte map */
+	const u8 dq_map[2][12] = {
+		  { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0 ,
+		    0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 },
+		  { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0 ,
+		    0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 } };
+	/* DQS CPU<>DRAM map */
+	const u8 dqs_map[2][8] = {
+		{ 0, 1, 3, 2, 6, 5, 4, 7 },
+		{ 2, 3, 0, 1, 6, 7, 4, 5 } };
+
+	/* Rcomp resistor */
+	const u16 RcompResistor[3] = { 200, 81, 162 };
+
+	/* Rcomp target */
+	const u16 RcompTarget[5] = { 100, 40, 40, 23, 40 };
+
+	memcpy(pei_data->dq_map, dq_map, sizeof(dq_map));
+	memcpy(pei_data->dqs_map, dqs_map, sizeof(dqs_map));
+	memcpy(pei_data->RcompResistor, RcompResistor,
+		 sizeof(RcompResistor));
+	memcpy(pei_data->RcompTarget, RcompTarget,
+		 sizeof(RcompTarget));
+}
+
+int is_dual_channel(const int spd_index)
+{
+	/* Per Makefile.inc, dual channel indices 1,3,5 */
+	return (spd_index & 0x1);
+}

-- 
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I591578fea2514a28c75177835807c3f250904577
Gerrit-Change-Number: 27421
Gerrit-PatchSet: 1
Gerrit-Owner: Matt DeVillier <matt.devillier at gmail.com>
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