mb/google/poppy/variants/nautilus: add nautilus board

Create Nautilus board which derives from Poppy, a KBL reference board.

BRANCH=master
BUG=b:66462881
TEST=Build (as initial setup)

Change-Id: I6ca5ab821a7ba1746b37dfd3ea1ed367094d4f52
Signed-off-by: Chris Wang <chriswang@ami.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/21895
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

8 files changed, 849 insertions, 2 deletions

diff --git a/src/mainboard/google/poppy/Kconfig b/src/mainboard/google/poppy/Kconfig
index 7eb43989c0..a6ba1a8112 100644
--- a/src/mainboard/google/poppy/Kconfig
+++ b/src/mainboard/google/poppy/Kconfig
@@ -5,7 +5,8 @@ config BOARD_GOOGLE_BASEBOARD_POPPY
 	select BOARD_ROMSIZE_KB_16384
 	select DRIVERS_I2C_GENERIC
 	select DRIVERS_I2C_HID
-	select DRIVERS_I2C_MAX98927
+	select DRIVERS_I2C_MAX98927 if !BOARD_GOOGLE_NAUTILUS
+	select DRIVERS_PS2_KEYBOARD if BOARD_GOOGLE_NAUTILUS
 	select DRIVERS_SPI_ACPI
 	select EC_GOOGLE_CHROMEEC
 	select EC_GOOGLE_CHROMEEC_BOARDID
@@ -14,7 +15,7 @@ config BOARD_GOOGLE_BASEBOARD_POPPY
 	select HAVE_ACPI_TABLES
 	select MAINBOARD_HAS_CHROMEOS
 	select MAINBOARD_USES_FSP2_0
-	select NO_FADT_8042
+	select NO_FADT_8042 if !BOARD_GOOGLE_NAUTILUS
 	select POPPY_USE_I2C_TPM if !VBOOT_MOCK_SECDATA
 	select SOC_INTEL_KABYLAKE
 
@@ -22,6 +23,7 @@ if BOARD_GOOGLE_BASEBOARD_POPPY
 
 config DEVICETREE
 	string
+	default "variants/nautilus/devicetree.cb" if BOARD_GOOGLE_NAUTILUS
 	default "variants/soraka/devicetree.cb" if BOARD_GOOGLE_SORAKA
 	default "variants/baseboard/devicetree.cb"
 
@@ -41,6 +43,7 @@ config GBB_HWID
 	string
 	depends on CHROMEOS
 	default "POPPY TEST 8294" if BOARD_GOOGLE_POPPY
+	default "NAUTILUS TEST 3013" if BOARD_GOOGLE_NAUTILUS
 	default "SORAKA TEST 1869" if BOARD_GOOGLE_SORAKA
 
 config INCLUDE_NHLT_BLOBS
@@ -50,6 +53,11 @@ config INCLUDE_NHLT_BLOBS
 	select NHLT_MAX98927
 	select NHLT_RT5663
 
+config INCLUDE_NHLT_BLOBS_NAUTILUS
+	bool "Include blobs for nautilus audio."
+	select NHLT_DMIC_2CH
+	select NHLT_DMIC_4CH
+
 config MAINBOARD_DIR
 	string
 	default "google/poppy"
@@ -57,11 +65,13 @@ config MAINBOARD_DIR
 config MAINBOARD_FAMILY
 	string
 	default "Google_Poppy" if BOARD_GOOGLE_POPPY
+	default "Google_Nautilus" if BOARD_GOOGLE_NAUTILUS
 	default "Google_Soraka" if BOARD_GOOGLE_SORAKA
 
 config MAINBOARD_PART_NUMBER
 	string
 	default "Poppy" if BOARD_GOOGLE_POPPY
+	default "Nautilus" if BOARD_GOOGLE_NAUTILUS
 	default "Soraka" if BOARD_GOOGLE_SORAKA
 
 config MAX_CPUS
@@ -92,6 +102,7 @@ config TPM_TIS_ACPI_INTERRUPT
 config VARIANT_DIR
 	string
 	default "poppy" if BOARD_GOOGLE_POPPY
+	default "nautilus" if BOARD_GOOGLE_NAUTILUS
 	default "soraka" if BOARD_GOOGLE_SORAKA
 
 config VBOOT
diff --git a/src/mainboard/google/poppy/Kconfig.name b/src/mainboard/google/poppy/Kconfig.name
index e8c6cdcf92..ec4342bc43 100644
--- a/src/mainboard/google/poppy/Kconfig.name
+++ b/src/mainboard/google/poppy/Kconfig.name
@@ -2,6 +2,10 @@ config BOARD_GOOGLE_POPPY
 	bool "Poppy"
 	select BOARD_GOOGLE_BASEBOARD_POPPY
 
+config BOARD_GOOGLE_NAUTILUS
+	bool "Nautilus"
+	select BOARD_GOOGLE_BASEBOARD_POPPY
+
 config BOARD_GOOGLE_SORAKA
 	bool "Soraka"
 	select BOARD_GOOGLE_BASEBOARD_POPPY
diff --git a/src/mainboard/google/poppy/variants/nautilus/Makefile.inc b/src/mainboard/google/poppy/variants/nautilus/Makefile.inc
new file mode 100644
index 0000000000..b7ae5e70ef
--- /dev/null
+++ b/src/mainboard/google/poppy/variants/nautilus/Makefile.inc
@@ -0,0 +1,5 @@
+
+SPD_SOURCES = empty				# 0b0000
+
+bootblock-y += gpio.c
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/poppy/variants/nautilus/devicetree.cb b/src/mainboard/google/poppy/variants/nautilus/devicetree.cb
new file mode 100644
index 0000000000..9530cd9098
--- /dev/null
+++ b/src/mainboard/google/poppy/variants/nautilus/devicetree.cb
@@ -0,0 +1,282 @@
+chip soc/intel/skylake
+
+	# Deep Sx states
+	register "deep_s3_enable_ac" = "0"
+	register "deep_s3_enable_dc" = "1"
+	register "deep_s5_enable_ac" = "1"
+	register "deep_s5_enable_dc" = "1"
+	register "deep_sx_config" = "DSX_EN_LAN_WAKE_PIN | DSX_EN_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"
+	# EC memory map range is 0x900-0x9ff
+	register "gen3_dec" = "0x00fc0901"
+
+	# Enable DPTF
+	register "dptf_enable" = "1"
+
+	# Enable S0ix
+	register "s0ix_enable" = "1"
+
+	# FSP Configuration
+	register "ProbelessTrace" = "0"
+	register "EnableLan" = "0"
+	register "EnableSata" = "0"
+	register "SataSalpSupport" = "0"
+	register "SataMode" = "0"
+	register "SataPortsEnable[0]" = "0"
+	register "EnableAzalia" = "1"
+	register "DspEnable" = "1"
+	register "IoBufferOwnership" = "3"
+	register "EnableTraceHub" = "0"
+	register "XdciEnable" = "0"
+	register "SsicPortEnable" = "0"
+	register "SmbusEnable" = "1"
+	register "Cio2Enable" = "1"
+	register "SaImguEnable" = "1"
+	register "ScsEmmcEnabled" = "1"
+	register "ScsEmmcHs400Enabled" = "1"
+	register "ScsSdCardEnabled" = "2"
+	register "IshEnable" = "0"
+	register "PttSwitch" = "0"
+	register "InternalGfx" = "1"
+	register "SkipExtGfxScan" = "1"
+	register "Device4Enable" = "1"
+	register "HeciEnabled" = "0"
+	register "FspSkipMpInit" = "1"
+	register "SaGv" = "3"
+	register "SerialIrqConfigSirqEnable" = "1"
+	register "PmConfigSlpS3MinAssert" = "2"        # 50ms
+	register "PmConfigSlpS4MinAssert" = "1"        # 1s
+	register "PmConfigSlpSusMinAssert" = "1"       # 500ms
+	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 4 Domains
+	#+----------------+-------+-------+-------+-------+
+	#| Domain/Setting |  SA   |  IA   | GTUS  |  GTS  |
+	#+----------------+-------+-------+-------+-------+
+	#| Psi1Threshold  | 20A   | 20A   | 20A   | 20A   |
+	#| Psi2Threshold  | 2A    | 2A    | 2A    | 2A    |
+	#| Psi3Threshold  | 1A    | 1A    | 1A    | 1A    |
+	#| Psi3Enable     | 1     | 1     | 1     | 1     |
+	#| Psi4Enable     | 1     | 1     | 1     | 1     |
+	#| ImonSlope      | 0     | 0     | 0     | 0     |
+	#| ImonOffset     | 0     | 0     | 0     | 0     |
+	#| IccMax         | 5A    | 24A   | 24A   | 24A   |
+	#| VrVoltageLimit | 1.52V | 1.52V | 1.52V | 1.52V |
+	#| AcLoadline     | 15    | 5.7   | 5.5   | 5.5   |
+	#| DcLoadline     | 14.3  | 4.83  | 4.2   | 4.2   |
+	#+----------------+-------+-------+-------+-------+
+	register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
+		.vr_config_enable = 1,
+		.psi1threshold = VR_CFG_AMP(20),
+		.psi2threshold = VR_CFG_AMP(2),
+		.psi3threshold = VR_CFG_AMP(1),
+		.psi3enable = 1,
+		.psi4enable = 1,
+		.imon_slope = 0x0,
+		.imon_offset = 0x0,
+		.icc_max = VR_CFG_AMP(5),
+		.voltage_limit = 1520,
+		.ac_loadline = 1500,
+		.dc_loadline = 1430,
+	}"
+
+	register "domain_vr_config[VR_IA_CORE]" = "{
+		.vr_config_enable = 1,
+		.psi1threshold = VR_CFG_AMP(20),
+		.psi2threshold = VR_CFG_AMP(2),
+		.psi3threshold = VR_CFG_AMP(1),
+		.psi3enable = 1,
+		.psi4enable = 1,
+		.imon_slope = 0x0,
+		.imon_offset = 0x0,
+		.icc_max = VR_CFG_AMP(24),
+		.voltage_limit = 1520,
+		.ac_loadline = 570,
+		.dc_loadline = 483,
+	}"
+
+	register "domain_vr_config[VR_GT_UNSLICED]" = "{
+		.vr_config_enable = 1,
+		.psi1threshold = VR_CFG_AMP(20),
+		.psi2threshold = VR_CFG_AMP(2),
+		.psi3threshold = VR_CFG_AMP(1),
+		.psi3enable = 1,
+		.psi4enable = 1,
+		.imon_slope = 0x0,
+		.imon_offset = 0x0,
+		.icc_max = VR_CFG_AMP(24),
+		.voltage_limit = 1520,
+		.ac_loadline = 550,
+		.dc_loadline = 420,
+	}"
+
+	register "domain_vr_config[VR_GT_SLICED]" = "{
+		.vr_config_enable = 1,
+		.psi1threshold = VR_CFG_AMP(20),
+		.psi2threshold = VR_CFG_AMP(2),
+		.psi3threshold = VR_CFG_AMP(1),
+		.psi3enable = 1,
+		.psi4enable = 1,
+		.imon_slope = 0x0,
+		.imon_offset = 0x0,
+		.icc_max = VR_CFG_AMP(24),
+		.voltage_limit = 1520,
+		.ac_loadline = 550,
+		.dc_loadline = 420,
+	}"
+
+	# 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_LONG(OC0)"	# Type-C Port 1
+	register "usb2_ports[1]" = "USB2_PORT_MID(OC_SKIP)"	# Type-A Port
+	register "usb2_ports[2]" = "USB2_PORT_MID(OC_SKIP)"	# Bluetooth
+	register "usb2_ports[4]" = "USB2_PORT_LONG(OC1)"	# Type-C Port 2
+	register "usb2_ports[6]" = "USB2_PORT_MID(OC_SKIP)"	# Type-A Port
+	register "usb2_ports[8]" = "USB2_PORT_MID(OC_SKIP)"	# Type-A Port
+
+	register "usb3_ports[0]" = "USB3_PORT_DEFAULT(OC0)"	# Type-C Port 1
+	register "usb3_ports[1]" = "USB3_PORT_DEFAULT(OC1)"	# Type-C Port 2
+	register "usb3_ports[2]" = "USB3_PORT_DEFAULT(OC_SKIP)"	# Type-A Port
+	register "usb3_ports[3]" = "USB3_PORT_EMPTY"		# Empty
+
+	# Touchscreen
+	register "i2c_voltage[0]" = "I2C_VOLTAGE_3V3"
+
+	# H1
+	register "i2c_voltage[1]" = "I2C_VOLTAGE_3V3"
+	# Configure I2C1 for cr50 TPM. Early init is required to set up a BAR
+	# for TPM communication before memory is up.
+	register "i2c[1]" = "{
+		.early_init = 1,
+	}"
+
+	# Trackpad
+	register "i2c_voltage[2]" = "I2C_VOLTAGE_1V8"
+
+	# Pen
+	register "i2c_voltage[3]" = "I2C_VOLTAGE_1V8"
+
+	# Camera
+	register "i2c_voltage[4]" = "I2C_VOLTAGE_1V8"
+
+	# Audio
+	register "i2c_voltage[5]" = "I2C_VOLTAGE_1V8"
+
+
+	# Must leave UART0 enabled or SD/eMMC will not work as PCI
+	register "SerialIoDevMode" = "{
+		[PchSerialIoIndexI2C0]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C1]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C2]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C3]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C4]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C5]  = PchSerialIoPci,
+		[PchSerialIoIndexSpi0]  = PchSerialIoDisabled,
+		[PchSerialIoIndexSpi1]  = PchSerialIoDisabled,
+		[PchSerialIoIndexUart0] = PchSerialIoPci,
+		[PchSerialIoIndexUart1] = PchSerialIoDisabled,
+		[PchSerialIoIndexUart2] = PchSerialIoSkipInit,
+	}"
+
+	register "speed_shift_enable" = "1"
+	# PL2 override 15W for KBL-Y
+	register "tdp_pl2_override" = "15"
+	register "tcc_offset" = "10"     # TCC of 90C
+
+	# Use default SD card detect GPIO configuration
+	register "sdcard_cd_gpio_default" = "GPP_E15"
+
+	# Lock Down
+	register "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  end # I2C #0
+		device pci 15.1 on
+			chip drivers/i2c/tpm
+				register "hid" = ""GOOG0005""
+				register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_E0_IRQ)"
+				device i2c 50 on end
+			end
+		end # I2C #1
+		device pci 15.2 on end # I2C #2
+		device pci 15.3 on 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 on  end # I2C #5
+		device pci 19.2 on  end # I2C #4
+		device pci 1c.0 on
+			chip drivers/intel/wifi
+				register "wake" = "GPE0_PCI_EXP"
+				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 on end # SDCard
+		device pci 1f.0 on
+			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  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/poppy/variants/nautilus/gpio.c b/src/mainboard/google/poppy/variants/nautilus/gpio.c
new file mode 100644
index 0000000000..6f7a3e70e4
--- /dev/null
+++ b/src/mainboard/google/poppy/variants/nautilus/gpio.c
@@ -0,0 +1,427 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 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.
+ */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+
+/* Pad configuration in ramstage */
+/* Leave eSPI pins untouched from default settings */
+static const struct pad_config gpio_table[] = {
+	/* A0  : RCIN# ==> NC(TP41) */
+	PAD_CFG_NC(GPP_A0),
+	/* A1  : ESPI_IO0 */
+	/* A2  : ESPI_IO1 */
+	/* A3  : ESPI_IO2 */
+	/* A4  : ESPI_IO3 */
+	/* A5  : ESPI_CS# */
+	/* A6  : SERIRQ ==> NC(TP44) */
+	PAD_CFG_NC(GPP_A6),
+	/* A7  : PIRQA# ==> NC(TP29) */
+	PAD_CFG_NC(GPP_A7),
+	/* A8  : CLKRUN# ==> NC(TP45) */
+	PAD_CFG_NC(GPP_A8),
+	/* A9  : ESPI_CLK */
+	/* A10 : CLKOUT_LPC1 ==> NC */
+	PAD_CFG_NC(GPP_A10),
+	/* A11 : PME# ==> NC(TP67) */
+	PAD_CFG_NC(GPP_A11),
+	/* A12 : BM_BUSY# ==> NC */
+	PAD_CFG_NC(GPP_A12),
+	/* A13 : SUSWARN# ==> SUSWARN_L */
+	PAD_CFG_NF(GPP_A13, NONE, DEEP, NF1),
+	/* A14 : ESPI_RESET# */
+	/* A15 : SUSACK# ==> SUSACK_L */
+	PAD_CFG_NF(GPP_A15, NONE, DEEP, NF1),
+	/* A16 : SD_1P8_SEL ==> SD_PWR_1800_SEL */
+	PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1),
+	/* A17 : SD_PWR_EN# ==> EN_SD_SOCKET_PWR_L */
+	PAD_CFG_NF(GPP_A17, NONE, DEEP, NF1),
+	/* A18 : ISH_GP0 ==> NC */
+	PAD_CFG_NC(GPP_A18),
+	/* A19 : ISH_GP1 ==> NC */
+	PAD_CFG_NC(GPP_A19),
+	/* A20 : ISH_GP2 ==> ACCEL_GYRO_INT_L */
+	PAD_CFG_GPI_APIC(GPP_A20, NONE, PLTRST),
+	/* A21 : ISH_GP3 ==> NC */
+	PAD_CFG_NC(GPP_A21),
+	/* A22 : ISH_GP4 ==> NC */
+	PAD_CFG_NC(GPP_A22),
+	/* A23 : ISH_GP5 ==> NC */
+	PAD_CFG_NC(GPP_A23),
+
+	/* B0  : CORE_VID0 ==> NC(TP42) */
+	PAD_CFG_NC(GPP_B0),
+	/* B1  : CORE_VID1 ==> NC(TP43) */
+	PAD_CFG_NC(GPP_B1),
+	/* B2  : VRALERT# ==> NC */
+	PAD_CFG_NC(GPP_B2),
+	/* B3  : CPU_GP2 ==> NC */
+	PAD_CFG_NC(GPP_B3),
+	/* B4  : CPU_GP3 ==> NC */
+	PAD_CFG_NC(GPP_B4),
+	/* B5  : SRCCLKREQ0# ==> NC */
+	PAD_CFG_NC(GPP_B5),
+	/* B6  : SRCCLKREQ1# ==> WLAN_PCIE_CLKREQ_L */
+	PAD_CFG_NF(GPP_B6, NONE, DEEP, NF1),
+	/* B7  : SRCCLKREQ2# ==> NC */
+	PAD_CFG_NC(GPP_B7),
+	/* B9  : SRCCLKREQ4# ==> NC */
+	PAD_CFG_NC(GPP_B9),
+	/* B10 : SRCCLKREQ5# ==> NC */
+	PAD_CFG_NC(GPP_B10),
+	/* B11 : EXT_PWR_GATE# ==> NC */
+	PAD_CFG_NC(GPP_B11),
+	/* B12 : SLP_S0# ==> SLP_S0_L_G */
+	PAD_CFG_NF(GPP_B12, NONE, DEEP, NF1),
+	/* B13 : PLTRST# ==> PLT_RST_L */
+	PAD_CFG_NF(GPP_B13, NONE, DEEP, NF1),
+	/* B14 : SPKR ==> NC */
+	PAD_CFG_NC(GPP_B14),
+#if IS_ENABLED(CONFIG_POPPY_USE_SPI_TPM)
+	/* B15 : GSPI0_CS# ==> PCH_SPI_H1_3V3_CS_L */
+	PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
+	/* B16 : GSPI0_CLK ==> PCH_SPI_H1_3V3_CLK */
+	PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
+	/* B17 : GSPI0_MISO ==> PCH_SPI_H1_3V3_MISO */
+	PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
+	/* B18 : GSPI0_MOSI ==> PCH_SPI_H1_3V3_MOSI */
+	PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1),
+#else
+	/* B15 : GSPI0_CS# ==> NC */
+	PAD_CFG_NC(GPP_B15),
+	/* B16 : GSPI0_CLK ==> NC */
+	PAD_CFG_NC(GPP_B16),
+	/* B17 : GSPI0_MISO ==> NC */
+	PAD_CFG_NC(GPP_B17),
+	/* B18 : GSPI0_MOSI ==> NC */
+	PAD_CFG_NC(GPP_B18),
+#endif
+	/* B19 : GSPI1_CS# ==> NC */
+	PAD_CFG_NC(GPP_B19),
+	/* B20 : GSPI1_CLK ==> NC */
+	PAD_CFG_NC(GPP_B20),
+	/* B21 : GSPI1_MISO ==> NC */
+	PAD_CFG_NC(GPP_B21),
+	/* B22 : GSPI1_MOSI ==> NC */
+	PAD_CFG_NC(GPP_B22),
+	/* B23 : SM1ALERT# ==> NC */
+	PAD_CFG_NC(GPP_B23),
+
+	/* C0  : SMBCLK ==> NC */
+	PAD_CFG_NC(GPP_C0),
+	/* C1  : SMBDATA ==> NC */
+	PAD_CFG_NC(GPP_C1),
+	/* C2  : SMBALERT# ==> NC */
+	PAD_CFG_NC(GPP_C2),
+	/* C3  : SML0CLK ==> NC */
+	PAD_CFG_NC(GPP_C3),
+	/* C4  : SML0DATA ==> NC */
+	PAD_CFG_NC(GPP_C4),
+	/* C5  : SML0ALERT# ==> NC */
+	PAD_CFG_NC(GPP_C5),
+	/* C6  : SM1CLK ==> EC_IN_RW_OD */
+	PAD_CFG_GPI(GPP_C6, 20K_PU, DEEP),
+	/* C7  : SM1DATA ==> NC */
+	PAD_CFG_NC(GPP_C7),
+	/* C8  : UART0_RXD ==> FP_INT */
+	PAD_CFG_GPI_APIC(GPP_C8, NONE, PLTRST),
+	/* C9  : UART0_TXD ==> FP_RST_ODL */
+	PAD_CFG_GPO(GPP_C9, 0, DEEP),
+	/* C10 : UART0_RTS# ==> EC_CAM_PMIC_RST_L */
+	PAD_CFG_GPO(GPP_C10, 1, DEEP),
+	/* C11 : UART0_CTS# ==> EN_PP3300_DX_CAM */
+	PAD_CFG_GPO(GPP_C11, 1, DEEP),
+	/* C12 : UART1_RXD ==> PCH_MEM_CONFIG[0] */
+	PAD_CFG_GPI(GPP_C12, NONE, DEEP),
+	/* C13 : UART1_TXD ==> PCH_MEM_CONFIG[1] */
+	PAD_CFG_GPI(GPP_C13, NONE, DEEP),
+	/* C14 : UART1_RTS# ==> PCH_MEM_CONFIG[2] */
+	PAD_CFG_GPI(GPP_C14, NONE, DEEP),
+	/* C15 : UART1_CTS# ==> PCH_MEM_CONFIG[3] */
+	PAD_CFG_GPI(GPP_C15, NONE, DEEP),
+	/* C16 : I2C0_SDA ==> PCH_I2C0_TOUCHSCREEN_3V3_SDA */
+	PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
+	/* C17 : I2C0_SCL ==> PCH_I2C0_TOUCHSCREEN_3V3_SCL */
+	PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
+#if IS_ENABLED(CONFIG_POPPY_USE_I2C_TPM)
+	/* C18 : I2C1_SDA ==> PCH_I2C1_H1_3V3_SDA */
+	PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
+	/* C19 : I2C1_SCL ==> PCH_I2C1_H1_3V3_SCL */
+	PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
+#else
+	/* C18 : I2C1_SDA ==> NC */
+	PAD_CFG_NC(GPP_C18),
+	/* C19 : I2C1_SCL ==> NC */
+	PAD_CFG_NC(GPP_C19),
+#endif
+	/* C20 : UART2_RXD ==> PCHRX_SERVOTX_UART */
+	PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1),
+	/* C21 : UART2_TXD ==> PCHTX_SERVORX_UART */
+	PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1),
+	/* C22 : UART2_RTS# ==> EN_PP3300_DX_TOUCHSCREEN */
+	PAD_CFG_GPO(GPP_C22, 0, DEEP),
+	/* C23 : UART2_CTS# ==> PCH_WP */
+	PAD_CFG_GPI(GPP_C23, 20K_PU, DEEP),
+
+	/* D0  : SPI1_CS# ==> NC */
+	PAD_CFG_NC(GPP_D0),
+	/* D1  : SPI1_CLK ==> NC */
+	PAD_CFG_NC(GPP_D1),
+	/* D2  : SPI1_MISO ==> NC */
+	PAD_CFG_NC(GPP_D2),
+	/* D3  : SPI1_MOSI ==> NC */
+	PAD_CFG_NC(GPP_D3),
+	/* D4  : FASHTRIG ==> NC */
+	PAD_CFG_NC(GPP_D4),
+	/* D5  : ISH_I2C0_SDA ==> ISH_I2C_SENSOR_1V8_SDA */
+	PAD_CFG_NF_1V8(GPP_D5, NONE, DEEP, NF1),
+	/* D6  : ISH_I2C0_SCL ==> ISH_I2C_SENSOR_1V8_SCL */
+	PAD_CFG_NF_1V8(GPP_D6, NONE, DEEP, NF1),
+	/* D7  : ISH_I2C1_SDA ==> NC */
+	PAD_CFG_NC(GPP_D7),
+	/* D8  : ISH_I2C1_SCL ==> NC */
+	PAD_CFG_NC(GPP_D8),
+	/* D9  : ISH_SPI_CS# ==> HP_IRQ_GPIO */
+	PAD_CFG_GPI(GPP_D9, NONE, PLTRST),
+	/* D10 : ISH_SPI_CLK ==> SPKR_RST_L */
+	PAD_CFG_GPO(GPP_D10, 1, DEEP),
+	/* D11 : ISH_SPI_MISO ==> SPKR_INT_L */
+	PAD_CFG_GPI_APIC(GPP_D11, NONE, PLTRST),
+	/* D12 : ISH_SPI_MOSI ==> NC */
+	PAD_CFG_NC(GPP_D12),
+	/* D13 : ISH_UART0_RXD ==> NC */
+	PAD_CFG_NC(GPP_D13),
+	/* D14 : ISH_UART0_TXD ==> NC */
+	PAD_CFG_NC(GPP_D14),
+	/* D15 : ISH_UART0_RTS# ==> NC */
+	PAD_CFG_NC(GPP_D15),
+	/* D16 : ISH_UART0_CTS# ==> NC */
+	PAD_CFG_NC(GPP_D16),
+	/* D17 : DMIC_CLK1 */
+	PAD_CFG_NF(GPP_D17, NONE, DEEP, NF1),
+	/* D18 : DMIC_DATA1 */
+	PAD_CFG_NF(GPP_D18, NONE, DEEP, NF1),
+	/* D19 : DMIC_CLK0 */
+	PAD_CFG_NF(GPP_D19, NONE, DEEP, NF1),
+	/* D20 : DMIC_DATA0 */
+	PAD_CFG_NF(GPP_D20, NONE, DEEP, NF1),
+	/* D21 : SPI1_IO2 ==> NC */
+	PAD_CFG_NC(GPP_D21),
+	/* D22 : SPI1_IO3 ==> BOOT_BEEP_OVERRIDE */
+	PAD_CFG_GPO(GPP_D22, 1, DEEP),
+	/* D23 : I2S_MCLK ==> I2S_MCLK_R */
+	PAD_CFG_NF(GPP_D23, NONE, DEEP, NF1),
+
+	/* E0  : SATAXPCI0 ==> H1_PCH_INT_ODL */
+	PAD_CFG_GPI_APIC_INVERT(GPP_E0, NONE, PLTRST),
+	/* E1  : SATAXPCIE1 ==> NC */
+	PAD_CFG_NC(GPP_E1),
+	/* E2  : SATAXPCIE2 ==> NC */
+	PAD_CFG_NC(GPP_E2),
+	/* E3  : CPU_GP0 ==> TOUCHSCREEN_RST_L */
+	PAD_CFG_GPO(GPP_E3, 0, DEEP),
+	/* E4  : SATA_DEVSLP0 ==> NC */
+	PAD_CFG_NC(GPP_E4),
+	/* E5  : SATA_DEVSLP1 ==> NC */
+	PAD_CFG_NC(GPP_E5),
+	/* E6  : SATA_DEVSLP2 ==> NC */
+	PAD_CFG_NC(GPP_E6),
+	/* E7  : CPU_GP1 ==> TOUCHSCREEN_INT_L */
+	PAD_CFG_GPI_APIC(GPP_E7, NONE, PLTRST),
+	/* E8  : SATALED# ==> NC */
+	PAD_CFG_NC(GPP_E8),
+	/* E9  : USB2_OCO# ==> USB_C0_OC_ODL */
+	PAD_CFG_NF(GPP_E9, NONE, DEEP, NF1),
+	/* E10 : USB2_OC1# ==> USB_C1_OC_ODL */
+	PAD_CFG_NF(GPP_E10, NONE, DEEP, NF1),
+	/* E11 : USB2_OC2# ==> TOUCHSCREEN_STOP_L */
+	PAD_CFG_GPO(GPP_E11, 0, DEEP),
+	/* E12 : USB2_OC3# ==> USB2_OC3_L */
+	PAD_CFG_NF(GPP_E12, NONE, DEEP, NF1),
+	/* E13 : DDPB_HPD0 ==> USB_C0_DP_HPD */
+	PAD_CFG_NF(GPP_E13, 20K_PD, DEEP, NF1),
+	/* E14 : DDPC_HPD1 ==> USB_C1_DP_HPD */
+	PAD_CFG_NF(GPP_E14, 20K_PD, DEEP, NF1),
+	/* E15 : DDPD_HPD2 ==> SD_CD# */
+	PAD_CFG_GPI(GPP_E15, 20K_PU, DEEP),
+	/* E16 : DDPE_HPD3 ==> NC(TP244) */
+	PAD_CFG_NC(GPP_E16),
+	/* E17 : EDP_HPD */
+	PAD_CFG_NF(GPP_E17, NONE, DEEP, NF1),
+	/* E18 : DDPB_CTRLCLK ==> NC */
+	PAD_CFG_NC(GPP_E18),
+	/* E19 : DDPB_CTRLDATA ==> NC */
+	PAD_CFG_NC(GPP_E19),
+	/* E20 : DDPC_CTRLCLK ==> NC */
+	PAD_CFG_NC(GPP_E20),
+	/* E21 : DDPC_CTRLDATA ==> NC */
+	PAD_CFG_NC(GPP_E21),
+	/* E22 : DDPD_CTRLCLK ==> NC */
+	PAD_CFG_NC(GPP_E22),
+	/* E23 : DDPD_CTRLDATA ==> NC */
+	PAD_CFG_NC(GPP_E23),
+
+	/* The next 4 pads are for bit banging the amplifiers, default to I2S */
+	/* F0  : I2S2_SCLK ==> I2S2_SCLK_SPKR_R */
+	PAD_CFG_GPI(GPP_F0, NONE, DEEP),
+	/* F1  : I2S2_SFRM ==> I2S2_SFRM_SPKR_R */
+	PAD_CFG_GPI(GPP_F1, NONE, DEEP),
+	/* F2  : I2S2_TXD ==> I2S2_PCH_TX_SPKR_RX_R */
+	PAD_CFG_GPI(GPP_F2, NONE, DEEP),
+	/* F3  : I2S2_RXD */
+	PAD_CFG_GPI(GPP_F3, NONE, DEEP),
+	/* F4  : I2C2_SDA ==> PCH_I2C2_CAM_PMIC_1V8_SDA */
+	PAD_CFG_NF_1V8(GPP_F4, NONE, DEEP, NF1),
+	/* F5  : I2C2_SCL ==> PCH_I2C2_CAM_PMIC_1V8_SCL */
+	PAD_CFG_NF_1V8(GPP_F5, NONE, DEEP, NF1),
+	/* F6  : I2C3_SDA ==> PCH_I2C3_PEN_1V8_SDA */
+	PAD_CFG_NF_1V8(GPP_F6, NONE, DEEP, NF1),
+	/* F7  : I2C3_SCL ==> PCH_I2C3_PEN_1V8_SCL */
+	PAD_CFG_NF_1V8(GPP_F7, NONE, DEEP, NF1),
+	/* F8  : I2C4_SDA ==> PCH_I2C4_UFCAM_1V8_SDA */
+	PAD_CFG_NF_1V8(GPP_F8, NONE, DEEP, NF1),
+	/* F9  : I2C4_SCL ==> PCH_I2C4_UFCAM_1V8_SCL */
+	PAD_CFG_NF_1V8(GPP_F9, NONE, DEEP, NF1),
+	/* F10 : I2C5_SDA ==> PCH_I2C5_AUDIO_1V8_SDA */
+	PAD_CFG_NF_1V8(GPP_F10, NONE, DEEP, NF1),
+	/* F11 : I2C5_SCL ==> PCH_I2C5_AUDIO_1V8_SCL */
+	PAD_CFG_NF_1V8(GPP_F11, NONE, DEEP, NF1),
+	/* F12 : EMMC_CMD */
+	PAD_CFG_NF(GPP_F12, NONE, DEEP, NF1),
+	/* F13 : EMMC_DATA0 */
+	PAD_CFG_NF(GPP_F13, NONE, DEEP, NF1),
+	/* F14 : EMMC_DATA1 */
+	PAD_CFG_NF(GPP_F14, NONE, DEEP, NF1),
+	/* F15 : EMMC_DATA2 */
+	PAD_CFG_NF(GPP_F15, NONE, DEEP, NF1),
+	/* F16 : EMMC_DATA3 */
+	PAD_CFG_NF(GPP_F16, NONE, DEEP, NF1),
+	/* F17 : EMMC_DATA4 */
+	PAD_CFG_NF(GPP_F17, NONE, DEEP, NF1),
+	/* F18 : EMMC_DATA5 */
+	PAD_CFG_NF(GPP_F18, NONE, DEEP, NF1),
+	/* F19 : EMMC_DATA6 */
+	PAD_CFG_NF(GPP_F19, NONE, DEEP, NF1),
+	/* F20 : EMMC_DATA7 */
+	PAD_CFG_NF(GPP_F20, NONE, DEEP, NF1),
+	/* F21 : EMMC_RCLK */
+	PAD_CFG_NF(GPP_F21, NONE, DEEP, NF1),
+	/* F22 : EMMC_CLK */
+	PAD_CFG_NF(GPP_F22, NONE, DEEP, NF1),
+	/* F23 : RSVD ==> NC */
+	PAD_CFG_NC(GPP_F23),
+
+	/* G0  : SD_CMD */
+	PAD_CFG_NF(GPP_G0, NONE, DEEP, NF1),
+	/* G1  : SD_DATA0 */
+	PAD_CFG_NF(GPP_G1, NONE, DEEP, NF1),
+	/* G2  : SD_DATA1 */
+	PAD_CFG_NF(GPP_G2, NONE, DEEP, NF1),
+	/* G3  : SD_DATA2 */
+	PAD_CFG_NF(GPP_G3, NONE, DEEP, NF1),
+	/* G4  : SD_DATA3 */
+	PAD_CFG_NF(GPP_G4, NONE, DEEP, NF1),
+	/* G5  : SD_CD# */
+	PAD_CFG_NF(GPP_G5, NONE, DEEP, NF1),
+	/* G6  : SD_CLK */
+	PAD_CFG_NF(GPP_G6, NONE, DEEP, NF1),
+	/* G7  : SD_WP */
+	PAD_CFG_NF(GPP_G7, 20K_PD, DEEP, NF1),
+
+	/* GPD0: BATLOW# ==> PCH_BATLOW_L */
+	PAD_CFG_NF(GPD0, NONE, DEEP, NF1),
+	/* GPD1: ACPRESENT ==> EC_PCH_ACPRESENT */
+	PAD_CFG_NF(GPD1, NONE, DEEP, NF1),
+	/* GPD2: LAN_WAKE# ==> EC_PCH_WAKE_R_L */
+	PAD_CFG_NF(GPD2, NONE, DEEP, NF1),
+	/* GPD3: PWRBTN# ==> PCH_PWR_BTN_L */
+	PAD_CFG_NF(GPD3, 20K_PU, DEEP, NF1),
+	/* GPD4: SLP_S3# ==> SLP_S3_L */
+	PAD_CFG_NF(GPD4, NONE, DEEP, NF1),
+	/* GPD5: SLP_S4# ==> SLP_S4_L */
+	PAD_CFG_NF(GPD5, NONE, DEEP, NF1),
+	/* GPD6: SLP_A# ==> NC(TP26) */
+	PAD_CFG_NC(GPD6),
+	/* GPD7: RSVD ==> NC */
+	PAD_CFG_NC(GPD7),
+	/* GPD8: SUSCLK ==> PCH_SUSCLK */
+	PAD_CFG_NF(GPD8, NONE, DEEP, NF1),
+	/* GPD9: SLP_WLAN# ==> NC(TP25) */
+	PAD_CFG_NC(GPD9),
+	/* GPD10: SLP_S5# ==> NC(TP15) */
+	PAD_CFG_NC(GPD10),
+	/* GPD11: LANPHYC ==> NC */
+	PAD_CFG_NC(GPD11),
+};
+
+/* Early pad configuration in bootblock */
+static const struct pad_config early_gpio_table[] = {
+	/* B8  : SRCCLKREQ3# ==> WLAN_PE_RST */
+	PAD_CFG_GPO(GPP_B8, 0, DEEP),
+
+#if IS_ENABLED(CONFIG_POPPY_USE_SPI_TPM)
+	/* B15 : GSPI0_CS# ==> PCH_SPI_H1_3V3_CS_L */
+	PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
+	/* B16 : GSPI0_CLK ==> PCH_SPI_H1_3V3_CLK */
+	PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
+	/* B17 : GSPI0_MISO ==> PCH_SPI_H1_3V3_MISO */
+	PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
+	/* B18 : GSPI0_MOSI ==> PCH_SPI_H1_3V3_MOSI */
+	PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1),
+#endif
+
+#if IS_ENABLED(CONFIG_POPPY_USE_I2C_TPM)
+	/* C18 : I2C1_SDA ==> PCH_I2C1_H1_3V3_SDA */
+	PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
+	/* C19 : I2C1_SCL ==> PCH_I2C1_H1_3V3_SCL */
+	PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
+#endif
+
+	/* Ensure UART pins are in native mode for H1. */
+	/* C20 : UART2_RXD ==> PCHRX_SERVOTX_UART */
+	PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1),
+	/* C21 : UART2_TXD ==> PCHTX_SERVORX_UART */
+	PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1),
+
+	/* C23 : UART2_CTS# ==> PCH_WP */
+	PAD_CFG_GPI(GPP_C23, 20K_PU, DEEP),
+
+	/* E0  : SATAXPCI0 ==> H1_PCH_INT_ODL */
+	PAD_CFG_GPI_APIC_INVERT(GPP_E0, NONE, PLTRST),
+};
+
+const struct pad_config *variant_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}
+
+const struct pad_config *variant_early_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(early_gpio_table);
+	return early_gpio_table;
+}
+
+static const struct cros_gpio cros_gpios[] = {
+	CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
+	CROS_GPIO_WP_AH(GPIO_PCH_WP, CROS_GPIO_DEVICE_NAME),
+};
+
+const struct cros_gpio *variant_cros_gpios(size_t *num)
+{
+	*num = ARRAY_SIZE(cros_gpios);
+	return cros_gpios;
+}
diff --git a/src/mainboard/google/poppy/variants/nautilus/include/variant/acpi/dptf.asl b/src/mainboard/google/poppy/variants/nautilus/include/variant/acpi/dptf.asl
new file mode 100644
index 0000000000..a9ec74269f
--- /dev/null
+++ b/src/mainboard/google/poppy/variants/nautilus/include/variant/acpi/dptf.asl
@@ -0,0 +1,16 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 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.
+ */
+
+#include <baseboard/acpi/dptf.asl>
diff --git a/src/mainboard/google/poppy/variants/nautilus/include/variant/ec.h b/src/mainboard/google/poppy/variants/nautilus/include/variant/ec.h
new file mode 100644
index 0000000000..804c4b36c8
--- /dev/null
+++ b/src/mainboard/google/poppy/variants/nautilus/include/variant/ec.h
@@ -0,0 +1,81 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 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.
+ */
+
+#ifndef __MAINBOARD_EC_H__
+#define __MAINBOARD_EC_H__
+
+#include <ec/ec.h>
+#include <ec/google/chromeec/ec_commands.h>
+
+#include <variant/gpio.h>
+
+#define MAINBOARD_EC_SCI_EVENTS \
+	(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_CLOSED)        |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN)          |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_AC_CONNECTED)      |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_AC_DISCONNECTED)   |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_LOW)       |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_CRITICAL)  |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY)           |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_STATUS)    |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_THERMAL_THRESHOLD) |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_THROTTLE_START)    |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_THROTTLE_STOP)     |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_PD_MCU)            |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_MODE_CHANGE)       |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_MKBP))
+
+#define MAINBOARD_EC_SMI_EVENTS \
+	(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_CLOSED))
+
+/* EC can wake from S5 with lid or power button */
+#define MAINBOARD_EC_S5_WAKE_EVENTS \
+	(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN) |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_POWER_BUTTON))
+
+/*
+ * EC can wake from S3 with lid or power button or key press or
+ * mode change event.
+ */
+#define MAINBOARD_EC_S3_WAKE_EVENTS \
+	(MAINBOARD_EC_S5_WAKE_EVENTS |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEY_PRESSED))
+
+/* Log EC wake events plus EC shutdown events */
+#define MAINBOARD_EC_LOG_EVENTS \
+	(EC_HOST_EVENT_MASK(EC_HOST_EVENT_THERMAL_SHUTDOWN) |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_SHUTDOWN) |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_PANIC))
+
+/*
+ * ACPI related definitions for ASL code.
+ */
+
+/* Enable EC backed ALS device in ACPI */
+#define EC_ENABLE_ALS_DEVICE
+
+/* Enable EC backed PD MCU device in ACPI */
+#define EC_ENABLE_PD_MCU_DEVICE
+
+/* Enable LID switch and provide wake pin for EC */
+#define EC_ENABLE_LID_SWITCH
+#define EC_ENABLE_WAKE_PIN	GPE_EC_WAKE
+#define EC_ENABLE_TABLET_EVENT
+
+#define SIO_EC_MEMMAP_ENABLE	/* EC Memory Map Resources */
+#define SIO_EC_HOST_ENABLE	/* EC Host Interface Resources */
+#define SIO_EC_ENABLE_P2SK
+
+#endif /* __MAINBOARD_EC_H__ */
diff --git a/src/mainboard/google/poppy/variants/nautilus/include/variant/gpio.h b/src/mainboard/google/poppy/variants/nautilus/include/variant/gpio.h
new file mode 100644
index 0000000000..4f79495e4f
--- /dev/null
+++ b/src/mainboard/google/poppy/variants/nautilus/include/variant/gpio.h
@@ -0,0 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 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.
+ */
+
+#ifndef __MAINBOARD_GPIO_H__
+#define __MAINBOARD_GPIO_H__
+
+#include <baseboard/gpio.h>
+
+#endif /* __MAINBOARD_GPIO_H__ */