google/tidus: initial upstream migration

Migrate google/tidus (Lenovo ThinkCentre Chromebox) from Chromium
tree to upstream, using google/guado as a baseline.

TEST=built and booted tidus with full functionality

Change-Id: I9d7a976345566bee63226d1a44ba7d5ec137a742
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/12801
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

31 files changed, 2456 insertions, 0 deletions

diff --git a/src/mainboard/google/tidus/Kconfig b/src/mainboard/google/tidus/Kconfig
new file mode 100644
index 0000000000..4ec9e78184
--- /dev/null
+++ b/src/mainboard/google/tidus/Kconfig
@@ -0,0 +1,64 @@
+if BOARD_GOOGLE_TIDUS
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+	select SOC_INTEL_BROADWELL
+	select BOARD_ROMSIZE_KB_8192
+	select SUPERIO_ITE_IT8772F
+	select HAVE_ACPI_TABLES
+	select HAVE_OPTION_TABLE
+	select HAVE_ACPI_RESUME
+	select MMCONF_SUPPORT
+	select HAVE_SMI_HANDLER
+	select MAINBOARD_HAS_CHROMEOS
+	select MAINBOARD_HAS_LPC_TPM
+
+config CHROMEOS
+	select CHROMEOS_VBNV_CMOS
+	select CHROMEOS_RAMOOPS_DYNAMIC
+	select VIRTUAL_DEV_SWITCH
+	select PHYSICAL_REC_SWITCH
+
+config VBOOT_RAMSTAGE_INDEX
+	hex
+	default 0x2
+
+config VBOOT_REFCODE_INDEX
+	hex
+	default 0x3
+
+config MAINBOARD_DIR
+	string
+	default google/tidus
+
+config MAINBOARD_PART_NUMBER
+	string
+	default "Tidus"
+
+config IRQ_SLOT_COUNT
+	int
+	default 18
+
+config MAX_CPUS
+	int
+	default 8
+
+config VGA_BIOS_FILE
+	string
+	default "pci8086,0166.rom"
+
+config HAVE_IFD_BIN
+	bool
+	default n
+
+config HAVE_ME_BIN
+	bool
+	default n
+
+
+config MAINBOARD_FAMILY
+	string
+	depends on GENERATE_SMBIOS_TABLES
+	default "Google_Tidus"
+
+endif
diff --git a/src/mainboard/google/tidus/Kconfig.name b/src/mainboard/google/tidus/Kconfig.name
new file mode 100644
index 0000000000..f4f694356e
--- /dev/null
+++ b/src/mainboard/google/tidus/Kconfig.name
@@ -0,0 +1,2 @@
+config BOARD_GOOGLE_TIDUS
+	bool "Tidus"
diff --git a/src/mainboard/google/tidus/Makefile.inc b/src/mainboard/google/tidus/Makefile.inc
new file mode 100644
index 0000000000..d06150da00
--- /dev/null
+++ b/src/mainboard/google/tidus/Makefile.inc
@@ -0,0 +1,24 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2014 Google Inc.
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+
+subdirs-y += spd
+romstage-$(CONFIG_CHROMEOS) += chromeos.c
+ramstage-$(CONFIG_CHROMEOS) += chromeos.c
+ramstage-y += lan.c
+
+smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c led.c
+
+romstage-y += pei_data.c led.c
+ramstage-y += pei_data.c
diff --git a/src/mainboard/google/tidus/acpi/chromeos.asl b/src/mainboard/google/tidus/acpi/chromeos.asl
new file mode 100644
index 0000000000..492ee6b272
--- /dev/null
+++ b/src/mainboard/google/tidus/acpi/chromeos.asl
@@ -0,0 +1,19 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+Name(OIPG, Package() {
+	Package () { 0x0001, 0, 12, "PCH-LP" }, // recovery button
+	Package () { 0x0003, 1, 58, "PCH-LP" }, // firmware write protect
+})
diff --git a/src/mainboard/google/tidus/acpi/ec.asl b/src/mainboard/google/tidus/acpi/ec.asl
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/src/mainboard/google/tidus/acpi/ec.asl
diff --git a/src/mainboard/google/tidus/acpi/haswell_pci_irqs.asl b/src/mainboard/google/tidus/acpi/haswell_pci_irqs.asl
new file mode 100644
index 0000000000..324436594b
--- /dev/null
+++ b/src/mainboard/google/tidus/acpi/haswell_pci_irqs.asl
@@ -0,0 +1,83 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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.
+ */
+
+/* This is board specific information: IRQ routing for IvyBridge */
+
+// PCI Interrupt Routing
+Method(_PRT)
+{
+	If (PICM) {
+		Return (Package() {
+			// Onboard graphics (IGD)	0:2.0
+			Package() { 0x0002ffff, 0, 0, 16 },
+			// Mini-HD Audio		0:3.0
+			Package() { 0x0003ffff, 0, 0, 16 },
+			// High Definition Audio	0:1b.0
+			Package() { 0x001bffff, 0, 0, 22 },
+			// PCIe Root Ports		0:1c.x
+			Package() { 0x001cffff, 0, 0, 16 },
+			Package() { 0x001cffff, 1, 0, 17 },
+			Package() { 0x001cffff, 2, 0, 18 },
+			Package() { 0x001cffff, 3, 0, 19 },
+			// EHCI	  			0:1d.0
+			Package() { 0x001dffff, 0, 0, 19 },
+			// XHCI	  			0:14.0
+			Package() { 0x0014ffff, 0, 0, 18 },
+			// LPC devices			0:1f.0
+			Package() { 0x001fffff, 0, 0, 22 },
+			Package() { 0x001fffff, 1, 0, 18 },
+			Package() { 0x001fffff, 2, 0, 17 },
+			Package() { 0x001fffff, 3, 0, 16 },
+			// Serial IO                    0:15.0
+			Package() { 0x0015ffff, 0, 0, 20 },
+			Package() { 0x0015ffff, 1, 0, 21 },
+			Package() { 0x0015ffff, 2, 0, 21 },
+			Package() { 0x0015ffff, 3, 0, 21 },
+			// SDIO                         0:17.0
+			Package() { 0x0017ffff, 0, 0, 23 },
+		})
+	} Else {
+		Return (Package() {
+			// Onboard graphics (IGD)	0:2.0
+			Package() { 0x0002ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+			// Mini-HD Audio		0:3.0
+			Package() { 0x0003ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+			// High Definition Audio	0:1b.0
+			Package() { 0x001bffff, 0, \_SB.PCI0.LPCB.LNKG, 0 },
+			// PCIe Root Ports		0:1c.x
+			Package() { 0x001cffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
+			Package() { 0x001cffff, 1, \_SB.PCI0.LPCB.LNKB, 0 },
+			Package() { 0x001cffff, 2, \_SB.PCI0.LPCB.LNKC, 0 },
+			Package() { 0x001cffff, 3, \_SB.PCI0.LPCB.LNKD, 0 },
+			// EHCI	  			0:1d.0
+			Package() { 0x001dffff, 0, \_SB.PCI0.LPCB.LNKD, 0 },
+			// XHCI	  			0:14.0
+			Package() { 0x0014ffff, 0, \_SB.PCI0.LPCB.LNKC, 0 },
+			// LPC device			0:1f.0
+			Package() { 0x001fffff, 0, \_SB.PCI0.LPCB.LNKG, 0 },
+			Package() { 0x001fffff, 1, \_SB.PCI0.LPCB.LNKC, 0 },
+			Package() { 0x001fffff, 2, \_SB.PCI0.LPCB.LNKB, 0 },
+			Package() { 0x001fffff, 3, \_SB.PCI0.LPCB.LNKA, 0 },
+			// Serial IO                    0:15.0
+			Package() { 0x0015ffff, 0, \_SB.PCI0.LPCB.LNKE, 0 },
+			Package() { 0x0015ffff, 1, \_SB.PCI0.LPCB.LNKF, 0 },
+			Package() { 0x0015ffff, 2, \_SB.PCI0.LPCB.LNKF, 0 },
+			Package() { 0x0015ffff, 3, \_SB.PCI0.LPCB.LNKF, 0 },
+			// SDIO                         0:17.0
+			Package() { 0x0017ffff, 0, \_SB.PCI0.LPCB.LNKH, 0 },
+		})
+	}
+}
+
diff --git a/src/mainboard/google/tidus/acpi/mainboard.asl b/src/mainboard/google/tidus/acpi/mainboard.asl
new file mode 100644
index 0000000000..31a6c9567d
--- /dev/null
+++ b/src/mainboard/google/tidus/acpi/mainboard.asl
@@ -0,0 +1,69 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <mainboard/google/tidus/onboard.h>
+
+Scope (\_SB)
+{
+	Device (PWRB)
+	{
+		Name(_HID, EisaId("PNP0C0C"))
+	}
+}
+
+/*
+ * LAN connected to Root Port 3, becomes Root Port 1 after coalesce
+ */
+Scope (\_SB.PCI0.RP01)
+{
+	Device (ETH0)
+	{
+		Name (_ADR, 0x00000000)
+		Name (_PRW, Package() { TIDUS_NIC_WAKE_GPIO, 3 })
+
+		Method (_DSW, 3, NotSerialized)
+		{
+			Store (TIDUS_NIC_WAKE_GPIO, Local0)
+
+			If (LEqual (Arg0, 1)) {
+				// Enable GPIO as wake source
+				\_SB.PCI0.LPCB.GPIO.GWAK (Local0)
+			}
+		}
+	}
+}
+
+/*
+ * WLAN connected to Root Port 4, becomes Root Port 2 after coalesce
+ */
+Scope (\_SB.PCI0.RP02)
+{
+	Device (WLAN)
+	{
+		Name (_ADR, 0x00000000)
+		Name (_PRW, Package() { TIDUS_WLAN_WAKE_GPIO, 3 })
+
+		Method (_DSW, 3, NotSerialized)
+		{
+			Store (TIDUS_WLAN_WAKE_GPIO, Local0)
+
+			If (LEqual (Arg0, 1)) {
+				// Enable GPIO as wake source
+				\_SB.PCI0.LPCB.GPIO.GWAK (Local0)
+			}
+		}
+	}
+}
diff --git a/src/mainboard/google/tidus/acpi/platform.asl b/src/mainboard/google/tidus/acpi/platform.asl
new file mode 100644
index 0000000000..06de271998
--- /dev/null
+++ b/src/mainboard/google/tidus/acpi/platform.asl
@@ -0,0 +1,71 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/* The APM port can be used for generating software SMIs */
+
+OperationRegion (APMP, SystemIO, 0xb2, 2)
+Field (APMP, ByteAcc, NoLock, Preserve)
+{
+	APMC, 8,	// APM command
+	APMS, 8		// APM status
+}
+
+/* Port 80 POST */
+
+OperationRegion (POST, SystemIO, 0x80, 1)
+Field (POST, ByteAcc, Lock, Preserve)
+{
+	DBG0, 8
+}
+
+/* SMI I/O Trap */
+Method(TRAP, 1, Serialized)
+{
+	Store (Arg0, SMIF)	// SMI Function
+	Store (0, TRP0)		// Generate trap
+	Return (SMIF)		// Return value of SMI handler
+}
+
+/* The _PIC method is called by the OS to choose between interrupt
+ * routing via the i8259 interrupt controller or the APIC.
+ *
+ * _PIC is called with a parameter of 0 for i8259 configuration and
+ * with a parameter of 1 for Local Apic/IOAPIC configuration.
+ */
+
+Method(_PIC, 1)
+{
+	// Remember the OS' IRQ routing choice.
+	Store(Arg0, PICM)
+}
+
+/* The _PTS method (Prepare To Sleep) is called before the OS is
+ * entering a sleep state. The sleep state number is passed in Arg0
+ */
+
+Method(_PTS,1)
+{
+}
+
+/* The _WAK method is called on system wakeup */
+
+Method(_WAK,1)
+{
+	/* Initialize thermal defaults */
+	\_TZ.THRM._INI ()
+
+	Return(Package(){0,0})
+}
diff --git a/src/mainboard/google/tidus/acpi/superio.asl b/src/mainboard/google/tidus/acpi/superio.asl
new file mode 100644
index 0000000000..a65b3f5ef0
--- /dev/null
+++ b/src/mainboard/google/tidus/acpi/superio.asl
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 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.
+ */
+
+/* Values should match those defined in devicetree.cb */
+
+#undef SIO_ENABLE_FDC0           // pnp 2e.0: Disable Floppy Controller
+#undef SIO_ENABLE_INFR           // pnp 2e.a: Disable Consumer IR
+
+#undef SIO_ENABLE_PS2K          // pnp 2e.5: Disable PS/2 Keyboard
+#undef SIO_ENABLE_PS2M          // pnp 2e.6: Disable PS/2 Mouse
+#define SIO_ENABLE_COM1          // pnp 2e.1: Enable Serial Port 1
+#define SIO_ENABLE_ENVC          // pnp 2e.4: Enable Environmental Controller
+#define SIO_ENVC_IO0      0x700  // pnp 2e.4: io 0x60
+#define SIO_ENVC_IO1      0x710  // pnp 2e.4: io 0x62
+#define SIO_ENABLE_GPIO          // pnp 2e.7: Enable GPIO
+#define SIO_GPIO_IO0      0x720  // pnp 2e.7: io 0x60
+#define SIO_GPIO_IO1      0x730  // pnp 2e.7: io 0x60
+
+#include "superio/ite/it8772f/acpi/superio.asl"
+
diff --git a/src/mainboard/google/tidus/acpi/thermal.asl b/src/mainboard/google/tidus/acpi/thermal.asl
new file mode 100644
index 0000000000..a8afe6fc5e
--- /dev/null
+++ b/src/mainboard/google/tidus/acpi/thermal.asl
@@ -0,0 +1,448 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 The Chromium OS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "../thermal.h"
+
+// Thermal Zone
+
+Scope (\_TZ)
+{
+	ThermalZone (THRM)
+	{
+		Name (_TC1, 0x02)
+		Name (_TC2, 0x05)
+
+		// Thermal zone polling frequency: 10 seconds
+		Name (_TZP, 100)
+
+		// Thermal sampling period for passive cooling: 2 seconds
+		Name (_TSP, 20)
+
+		Name (F0ON, FAN0_2_THRESHOLD_ON)
+		Name (F0OF, FAN0_2_THRESHOLD_OFF)
+		Name (F0PW, FAN0_2_PWM)
+		Name (F1ON, FAN1_2_THRESHOLD_ON)
+		Name (F1OF, FAN1_2_THRESHOLD_OFF)
+		Name (F1PW, FAN1_2_PWM)
+		Name (F2ON, FAN2_2_THRESHOLD_ON)
+		Name (F2OF, FAN2_2_THRESHOLD_OFF)
+		Name (F2PW, FAN2_2_PWM)
+		Name (F3ON, FAN3_2_THRESHOLD_ON)
+		Name (F3OF, FAN3_2_THRESHOLD_OFF)
+		Name (F3PW, FAN3_2_PWM)
+		Name (F4PW, FAN4_2_PWM)
+		Name (THTB, 2)
+
+		// Convert from Degrees C to 1/10 Kelvin for ACPI
+		Method (CTOK, 1) {
+			// 10th of Degrees C
+			Multiply (Arg0, 10, Local0)
+
+			// Convert to Kelvin
+			Add (Local0, 2732, Local0)
+
+			Return (Local0)
+		}
+
+		// Thermal Table 0
+		Method (TTB0, 0) {
+			Store (FAN0_0_THRESHOLD_ON, F0ON)
+			Store (FAN0_0_THRESHOLD_OFF, F0OF)
+			Store (FAN0_0_PWM, F0PW)
+			Store (FAN1_0_THRESHOLD_ON, F1ON)
+			Store (FAN1_0_THRESHOLD_OFF, F1OF)
+			Store (FAN1_0_PWM, F1PW)
+			Store (FAN2_0_THRESHOLD_ON, F2ON)
+			Store (FAN2_0_THRESHOLD_OFF, F2OF)
+			Store (FAN2_0_PWM, F2PW)
+			Store (FAN3_0_THRESHOLD_ON, F3ON)
+			Store (FAN3_0_THRESHOLD_OFF, F3OF)
+			Store (FAN3_0_PWM, F3PW)
+			Store (FAN4_0_PWM, F4PW)
+			Store (0, THTB)
+		}
+
+		// Thermal Table 1
+		Method (TTB1, 0) {
+			Store (FAN0_1_THRESHOLD_ON, F0ON)
+			Store (FAN0_1_THRESHOLD_OFF, F0OF)
+			Store (FAN0_1_PWM, F0PW)
+			Store (FAN1_1_THRESHOLD_ON, F1ON)
+			Store (FAN1_1_THRESHOLD_OFF, F1OF)
+			Store (FAN1_1_PWM, F1PW)
+			Store (FAN2_1_THRESHOLD_ON, F2ON)
+			Store (FAN2_1_THRESHOLD_OFF, F2OF)
+			Store (FAN2_1_PWM, F2PW)
+			Store (FAN3_1_THRESHOLD_ON, F3ON)
+			Store (FAN3_1_THRESHOLD_OFF, F3OF)
+			Store (FAN3_1_PWM, F3PW)
+			Store (FAN4_1_PWM, F4PW)
+			Store (1, THTB)
+		}
+
+		// Thermal Table 2
+		Method (TTB2, 0) {
+			Store (FAN0_2_THRESHOLD_ON, F0ON)
+			Store (FAN0_2_THRESHOLD_OFF, F0OF)
+			Store (FAN0_2_PWM, F0PW)
+			Store (FAN1_2_THRESHOLD_ON, F1ON)
+			Store (FAN1_2_THRESHOLD_OFF, F1OF)
+			Store (FAN1_2_PWM, F1PW)
+			Store (FAN2_2_THRESHOLD_ON, F2ON)
+			Store (FAN2_2_THRESHOLD_OFF, F2OF)
+			Store (FAN2_2_PWM, F2PW)
+			Store (FAN3_2_THRESHOLD_ON, F3ON)
+			Store (FAN3_2_THRESHOLD_OFF, F3OF)
+			Store (FAN3_2_PWM, F3PW)
+			Store (FAN4_2_PWM, F4PW)
+			Store (2, THTB)
+		}
+
+		// Update Thermal Table
+		Method (UPTB, 0) {
+			// Get System Temperature via SuperIO TMPIN2
+			Store (\_SB.PCI0.LPCB.SIO.ENVC.TIN2, Local0)
+
+			// Check for "no reading available
+			If (LEqual (Local0, 0x80)) {
+				Store (THERMAL_POLICY_0_THRESHOLD_ON, Local0)
+			}
+
+			// Check for invalid readings
+			If (LOr (LEqual (Local0, 255), LEqual (Local0, 0))) {
+				Store (THERMAL_POLICY_0_THRESHOLD_ON, Local0)
+			}
+
+			If (LEqual (THTB, 2)) {
+				If (LGreaterEqual (Local0, THERMAL_POLICY_0_THRESHOLD_ON)) {
+					TTB0 ()
+				} ElseIf (LGreaterEqual (Local0, THERMAL_POLICY_1_THRESHOLD_ON)) {
+					TTB1 ()
+				}
+			} ElseIf (LEqual (THTB, 1)) {
+				If (LGreaterEqual (Local0, THERMAL_POLICY_0_THRESHOLD_ON)) {
+					TTB0 ()
+				} ElseIf (LLessEqual (Local0, THERMAL_POLICY_1_THRESHOLD_OFF)) {
+					TTB2 ()
+				}
+			} Else {
+				If (LLess (Local0, THERMAL_POLICY_1_THRESHOLD_OFF)) {
+					TTB2 ()
+				} ElseIf (LLessEqual (Local0, THERMAL_POLICY_0_THRESHOLD_OFF)) {
+					TTB1 ()
+				}
+			}
+		}
+
+		// Threshold for OS to shutdown
+		Method (_CRT, 0, Serialized)
+		{
+			Return (CTOK (\TCRT))
+		}
+
+		// Threshold for passive cooling
+		Method (_PSV, 0, Serialized)
+		{
+			Return (CTOK (\TPSV))
+		}
+
+		// Processors used for passive cooling
+		Method (_PSL, 0, Serialized)
+		{
+			Return (\PPKG ())
+		}
+
+		// Start fan at state 4 = lowest temp state
+		Method (_INI)
+		{
+			Store (4, \FLVL)
+			Store (FAN4_2_PWM, \_SB.PCI0.LPCB.SIO.ENVC.F2PS)
+			Notify (\_TZ.THRM, 0x81)
+		}
+
+		Method (TCHK, 0, Serialized)
+		{
+			// Update Thermal Table
+			UPTB ()
+
+			// Get CPU Temperature from PECI via SuperIO TMPIN3
+			Store (\_SB.PCI0.LPCB.SIO.ENVC.TIN3, Local0)
+
+			// Check for "no reading available
+			If (LEqual (Local0, 0x80)) {
+				Return (CTOK (FAN0_0_THRESHOLD_ON))
+			}
+
+			// Check for invalid readings
+			If (LOr (LEqual (Local0, 255), LEqual (Local0, 0))) {
+				Return (CTOK (FAN0_0_THRESHOLD_ON))
+			}
+
+			// PECI raw value is an offset from Tj_max
+			Subtract (255, Local0, Local1)
+
+			// Handle values greater than Tj_max
+			If (LGreaterEqual (Local1, \TMAX)) {
+				Return (CTOK (\TMAX))
+			}
+
+			// Subtract from Tj_max to get temperature
+			Subtract (\TMAX, Local1, Local0)
+			Return (CTOK (Local0))
+		}
+
+		Method (_TMP, 0, Serialized)
+		{
+			// Get temperature from SuperIO in deci-kelvin
+			Store (TCHK (), Local0)
+
+			// Critical temperature in deci-kelvin
+			Store (CTOK (\TMAX), Local1)
+
+			If (LGreaterEqual (Local0, Local1)) {
+				Store ("CRITICAL TEMPERATURE", Debug)
+				Store (Local0, Debug)
+
+				// Wait 1 second for SuperIO to re-poll
+				Sleep (1000)
+
+				// Re-read temperature from SuperIO
+				Store (TCHK (), Local0)
+
+				Store ("RE-READ TEMPERATURE", Debug)
+				Store (Local0, Debug)
+			}
+
+			Return (Local0)
+		}
+
+		Method (_AC0) {
+			If (LLessEqual (\FLVL, 0)) {
+				Return (CTOK (F0OF))
+			} Else {
+				Return (CTOK (F0ON))
+			}
+		}
+
+		Method (_AC1) {
+			If (LLessEqual (\FLVL, 1)) {
+				Return (CTOK (F1OF))
+			} Else {
+				Return (CTOK (F1ON))
+			}
+		}
+
+		Method (_AC2) {
+			If (LLessEqual (\FLVL, 2)) {
+				Return (CTOK (F2OF))
+			} Else {
+				Return (CTOK (F2ON))
+			}
+		}
+
+		Method (_AC3) {
+			If (LLessEqual (\FLVL, 3)) {
+				Return (CTOK (F3OF))
+			} Else {
+				Return (CTOK (F3ON))
+			}
+		}
+
+		Method (_AC4) {
+			If (LLessEqual (\FLVL, 4)) {
+				Return (CTOK (0))
+			} Else {
+				Return (CTOK (0))
+			}
+		}
+
+		Name (_AL0, Package () { FAN0 })
+		Name (_AL1, Package () { FAN1 })
+		Name (_AL2, Package () { FAN2 })
+		Name (_AL3, Package () { FAN3 })
+		Name (_AL4, Package () { FAN4 })
+
+		PowerResource (FNP0, 0, 0)
+		{
+			Method (_STA) {
+				If (LLessEqual (\FLVL, 0)) {
+					Return (One)
+				} Else {
+					Return (Zero)
+				}
+			}
+			Method (_ON)  {
+				If (LNot (_STA ())) {
+					Store (0, \FLVL)
+					Store (F0PW,
+						\_SB.PCI0.LPCB.SIO.ENVC.F2PS)
+					Notify (\_TZ.THRM, 0x81)
+				}
+			}
+			Method (_OFF) {
+				If (_STA ()) {
+					Store (1, \FLVL)
+					Store (F1PW,
+						\_SB.PCI0.LPCB.SIO.ENVC.F2PS)
+					Notify (\_TZ.THRM, 0x81)
+				}
+			}
+		}
+
+		PowerResource (FNP1, 0, 0)
+		{
+			Method (_STA) {
+				If (LLessEqual (\FLVL, 1)) {
+					Return (One)
+				} Else {
+					Return (Zero)
+				}
+			}
+			Method (_ON)  {
+				If (LNot (_STA ())) {
+					Store (1, \FLVL)
+					Store (F1PW,
+						\_SB.PCI0.LPCB.SIO.ENVC.F2PS)
+					Notify (\_TZ.THRM, 0x81)
+				}
+			}
+			Method (_OFF) {
+				If (_STA ()) {
+					Store (2, \FLVL)
+					Store (F2PW,
+						\_SB.PCI0.LPCB.SIO.ENVC.F2PS)
+					Notify (\_TZ.THRM, 0x81)
+				}
+			}
+		}
+
+		PowerResource (FNP2, 0, 0)
+		{
+			Method (_STA) {
+				If (LLessEqual (\FLVL, 2)) {
+					Return (One)
+				} Else {
+					Return (Zero)
+				}
+			}
+			Method (_ON)  {
+				If (LNot (_STA ())) {
+					Store (2, \FLVL)
+					Store (F2PW,
+						\_SB.PCI0.LPCB.SIO.ENVC.F2PS)
+					Notify (\_TZ.THRM, 0x81)
+				}
+			}
+			Method (_OFF) {
+				If (_STA ()) {
+					Store (3, \FLVL)
+					Store (F3PW,
+						\_SB.PCI0.LPCB.SIO.ENVC.F2PS)
+					Notify (\_TZ.THRM, 0x81)
+				}
+			}
+		}
+
+		PowerResource (FNP3, 0, 0)
+		{
+			Method (_STA) {
+				If (LLessEqual (\FLVL, 3)) {
+					Return (One)
+				} Else {
+					Return (Zero)
+				}
+			}
+			Method (_ON)  {
+				If (LNot (_STA ())) {
+					Store (3, \FLVL)
+					Store (F3PW,
+						\_SB.PCI0.LPCB.SIO.ENVC.F2PS)
+					Notify (\_TZ.THRM, 0x81)
+				}
+			}
+			Method (_OFF) {
+				If (_STA ()) {
+					Store (4, \FLVL)
+					Store (F4PW,
+						\_SB.PCI0.LPCB.SIO.ENVC.F2PS)
+					Notify (\_TZ.THRM, 0x81)
+				}
+			}
+		}
+
+		PowerResource (FNP4, 0, 0)
+		{
+			Method (_STA) {
+				If (LLessEqual (\FLVL, 4)) {
+					Return (One)
+				} Else {
+					Return (Zero)
+				}
+			}
+			Method (_ON)  {
+				If (LNot (_STA ())) {
+					Store (4, \FLVL)
+					Store (F4PW,
+						\_SB.PCI0.LPCB.SIO.ENVC.F2PS)
+					Notify (\_TZ.THRM, 0x81)
+				}
+			}
+			Method (_OFF) {
+				If (_STA ()) {
+					Store (4, \FLVL)
+					Store (F4PW,
+						\_SB.PCI0.LPCB.SIO.ENVC.F2PS)
+					Notify (\_TZ.THRM, 0x81)
+				}
+			}
+		}
+
+		Device (FAN0)
+		{
+			Name (_HID, EISAID ("PNP0C0B"))
+			Name (_UID, 0)
+			Name (_PR0, Package () { FNP0 })
+		}
+
+		Device (FAN1)
+		{
+			Name (_HID, EISAID ("PNP0C0B"))
+			Name (_UID, 1)
+			Name (_PR0, Package () { FNP1 })
+		}
+
+		Device (FAN2)
+		{
+			Name (_HID, EISAID ("PNP0C0B"))
+			Name (_UID, 2)
+			Name (_PR0, Package () { FNP2 })
+		}
+
+		Device (FAN3)
+		{
+			Name (_HID, EISAID ("PNP0C0B"))
+			Name (_UID, 3)
+			Name (_PR0, Package () { FNP3 })
+		}
+
+		Device (FAN4)
+		{
+			Name (_HID, EISAID ("PNP0C0B"))
+			Name (_UID, 4)
+			Name (_PR0, Package () { FNP4 })
+		}
+	}
+}
+
diff --git a/src/mainboard/google/tidus/acpi/video.asl b/src/mainboard/google/tidus/acpi/video.asl
new file mode 100644
index 0000000000..1405b04031
--- /dev/null
+++ b/src/mainboard/google/tidus/acpi/video.asl
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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.
+ */
+
+// Brightness write
+Method (BRTW, 1, Serialized)
+{
+	// TODO
+}
+
+// Hot Key Display Switch
+Method (HKDS, 1, Serialized)
+{
+	// TODO
+}
+
+// Lid Switch Display Switch
+Method (LSDS, 1, Serialized)
+{
+	// TODO
+}
+
+// Brightness Notification
+Method(BRTN,1,Serialized)
+{
+	// TODO (no displays defined yet)
+}
+
diff --git a/src/mainboard/google/tidus/acpi_tables.c b/src/mainboard/google/tidus/acpi_tables.c
new file mode 100644
index 0000000000..46f5dd9c7e
--- /dev/null
+++ b/src/mainboard/google/tidus/acpi_tables.c
@@ -0,0 +1,64 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <types.h>
+#include <string.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <arch/acpi.h>
+#include <arch/ioapic.h>
+#include <arch/acpigen.h>
+#include <arch/smp/mpspec.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <cpu/cpu.h>
+#include <soc/acpi.h>
+#include <soc/nvs.h>
+#include "thermal.h"
+
+
+static void acpi_update_thermal_table(global_nvs_t *gnvs)
+{
+	gnvs->tcrt = CRITICAL_TEMPERATURE;
+	gnvs->tpsv = PASSIVE_TEMPERATURE;
+	gnvs->tmax = MAX_TEMPERATURE;
+	gnvs->flvl = 1;
+}
+
+void acpi_create_gnvs(global_nvs_t *gnvs)
+{
+	acpi_init_gnvs(gnvs);
+
+	/* Enable USB ports in S3 */
+	gnvs->s3u0 = 1;
+
+	/* Disable USB ports in S5 */
+	gnvs->s5u0 = 0;
+
+	acpi_update_thermal_table(gnvs);
+}
+
+unsigned long acpi_fill_madt(unsigned long current)
+{
+	/* Local APICs */
+	current = acpi_create_madt_lapics(current);
+
+	/* IOAPIC */
+	current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
+				2, IO_APIC_ADDR, 0);
+
+	return acpi_madt_irq_overrides(current);
+}
diff --git a/src/mainboard/google/tidus/board_info.txt b/src/mainboard/google/tidus/board_info.txt
new file mode 100644
index 0000000000..a4e9890631
--- /dev/null
+++ b/src/mainboard/google/tidus/board_info.txt
@@ -0,0 +1,7 @@
+Vendor name: Lenovo
+Board name: ThinkCentre Chromebox
+Category: half
+ROM package: SOIC-8
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: y
diff --git a/src/mainboard/google/tidus/chromeos.c b/src/mainboard/google/tidus/chromeos.c
new file mode 100644
index 0000000000..094447de0d
--- /dev/null
+++ b/src/mainboard/google/tidus/chromeos.c
@@ -0,0 +1,101 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <string.h>
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <console/console.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+#include <ec/google/chromeec/ec.h>
+#include <soc/gpio.h>
+#include <soc/sata.h>
+
+#define GPIO_SPI_WP	58
+#define GPIO_REC_MODE	12
+
+#define FLAG_SPI_WP	0
+#define FLAG_REC_MODE	1
+#define FLAG_DEV_MODE	2
+
+#ifndef __PRE_RAM__
+#include <boot/coreboot_tables.h>
+
+#define GPIO_COUNT	6
+
+void fill_lb_gpios(struct lb_gpios *gpios)
+{
+	struct lb_gpio *gpio;
+
+	gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
+	gpios->count = GPIO_COUNT;
+
+	gpio = gpios->gpios;
+	fill_lb_gpio(gpio++, GPIO_SPI_WP, ACTIVE_HIGH, "write protect", 0);
+	fill_lb_gpio(gpio++, GPIO_REC_MODE, ACTIVE_LOW, "recovery",
+		     get_recovery_mode_switch());
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "developer",
+		     get_developer_mode_switch());
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "lid", 1);
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "power", 0);
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "oprom", gfx_get_init_done());
+}
+#endif
+
+int get_write_protect_state(void)
+{
+	device_t dev;
+#ifdef __PRE_RAM__
+	dev = PCI_DEV(0, 0x1f, 2);
+#else
+	dev = dev_find_slot(0, PCI_DEVFN(0x1f, 2));
+#endif
+	return (pci_read_config32(dev, SATA_SP) >> FLAG_SPI_WP) & 1;
+}
+
+int get_developer_mode_switch(void)
+{
+	return 0;
+}
+
+int get_recovery_mode_switch(void)
+{
+	device_t dev;
+#ifdef __PRE_RAM__
+	dev = PCI_DEV(0, 0x1f, 2);
+#else
+	dev = dev_find_slot(0, PCI_DEVFN(0x1f, 2));
+#endif
+	return (pci_read_config32(dev, SATA_SP) >> FLAG_REC_MODE) & 1;
+}
+
+#ifdef __PRE_RAM__
+void save_chromeos_gpios(void)
+{
+	u32 flags = 0;
+
+	/* Write Protect: GPIO58 = GPIO_SPI_WP, active high */
+	if (get_gpio(GPIO_SPI_WP))
+		flags |= (1 << FLAG_SPI_WP);
+
+	/* Recovery: GPIO12 = RECOVERY_L, active low */
+	if (!get_gpio(GPIO_REC_MODE))
+		flags |= (1 << FLAG_REC_MODE);
+
+	/* Developer: Virtual */
+
+	pci_write_config32(PCI_DEV(0, 0x1f, 2), SATA_SP, flags);
+}
+#endif
diff --git a/src/mainboard/google/tidus/cmos.layout b/src/mainboard/google/tidus/cmos.layout
new file mode 100644
index 0000000000..f862cd68b7
--- /dev/null
+++ b/src/mainboard/google/tidus/cmos.layout
@@ -0,0 +1,135 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2007-2008 coresystems GmbH
+##
+## 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.
+##
+
+# -----------------------------------------------------------------
+entries
+
+#start-bit length  config config-ID    name
+#0            8       r       0        seconds
+#8            8       r       0        alarm_seconds
+#16           8       r       0        minutes
+#24           8       r       0        alarm_minutes
+#32           8       r       0        hours
+#40           8       r       0        alarm_hours
+#48           8       r       0        day_of_week
+#56           8       r       0        day_of_month
+#64           8       r       0        month
+#72           8       r       0        year
+# -----------------------------------------------------------------
+# Status Register A
+#80           4       r       0        rate_select
+#84           3       r       0        REF_Clock
+#87           1       r       0        UIP
+# -----------------------------------------------------------------
+# Status Register B
+#88           1       r       0        auto_switch_DST
+#89           1       r       0        24_hour_mode
+#90           1       r       0        binary_values_enable
+#91           1       r       0        square-wave_out_enable
+#92           1       r       0        update_finished_enable
+#93           1       r       0        alarm_interrupt_enable
+#94           1       r       0        periodic_interrupt_enable
+#95           1       r       0        disable_clock_updates
+# -----------------------------------------------------------------
+# Status Register C
+#96           4       r       0        status_c_rsvd
+#100          1       r       0        uf_flag
+#101          1       r       0        af_flag
+#102          1       r       0        pf_flag
+#103          1       r       0        irqf_flag
+# -----------------------------------------------------------------
+# Status Register D
+#104          7       r       0        status_d_rsvd
+#111          1       r       0        valid_cmos_ram
+# -----------------------------------------------------------------
+# Diagnostic Status Register
+#112          8       r       0        diag_rsvd1
+
+# -----------------------------------------------------------------
+0          120       r       0        reserved_memory
+#120        264       r       0        unused
+
+# -----------------------------------------------------------------
+# RTC_BOOT_BYTE (coreboot hardcoded)
+384          1       e       4        boot_option
+385          1       e       4        last_boot
+388          4       r       0        reboot_bits
+#390          2       r       0        unused?
+
+# -----------------------------------------------------------------
+# coreboot config options: console
+392          3       e       5        baud_rate
+395          4       e       6        debug_level
+#399          1       r       0        unused
+
+# coreboot config options: cpu
+400          1       e       2        hyper_threading
+#401          7       r       0        unused
+
+# coreboot config options: southbridge
+408          1       e       1        nmi
+409          2       e       7        power_on_after_fail
+#411          5       r       0        unused
+
+# coreboot config options: bootloader
+#Used by ChromeOS:
+416        128       r        0        vbnv
+#544        440       r       0        unused
+
+# SandyBridge MRC Scrambler Seed values
+896         32        r       0        mrc_scrambler_seed
+928         32        r       0        mrc_scrambler_seed_s3
+
+# coreboot config options: check sums
+984         16       h       0        check_sum
+#1000        24       r       0        amd_reserved
+
+# -----------------------------------------------------------------
+
+enumerations
+
+#ID value   text
+1     0     Disable
+1     1     Enable
+2     0     Enable
+2     1     Disable
+4     0     Fallback
+4     1     Normal
+5     0     115200
+5     1     57600
+5     2     38400
+5     3     19200
+5     4     9600
+5     5     4800
+5     6     2400
+5     7     1200
+6     1     Emergency
+6     2     Alert
+6     3     Critical
+6     4     Error
+6     5     Warning
+6     6     Notice
+6     7     Info
+6     8     Debug
+6     9     Spew
+7     0     Disable
+7     1     Enable
+7     2     Keep
+# -----------------------------------------------------------------
+checksums
+
+checksum 392 415 984
+
+
diff --git a/src/mainboard/google/tidus/devicetree.cb b/src/mainboard/google/tidus/devicetree.cb
new file mode 100644
index 0000000000..6c3f073225
--- /dev/null
+++ b/src/mainboard/google/tidus/devicetree.cb
@@ -0,0 +1,128 @@
+chip soc/intel/broadwell
+
+	# Disable eDP Hotplug
+	register "gpu_dp_d_hotplug" = "0x00"
+
+	# Enable DisplayPort C Hotplug with 6ms pulse
+	register "gpu_dp_c_hotplug" = "0x06"
+
+	# Enable HDMI Hotplug with 6ms pulse
+	register "gpu_dp_b_hotplug" = "0x06"
+
+
+
+
+	register "pirqa_routing" = "0x8b"
+	register "pirqb_routing" = "0x8a"
+	register "pirqc_routing" = "0x8b"
+	register "pirqd_routing" = "0x8b"
+	register "pirqe_routing" = "0x80"
+	register "pirqf_routing" = "0x80"
+	register "pirqg_routing" = "0x80"
+	register "pirqh_routing" = "0x80"
+
+	# SuperIO range is 0x700-0x73f
+	register "gen2_dec" = "0x003c0701"
+
+	register "alt_gp_smi_en" = "0x0000"
+	register "gpe0_en_1" = "0x00000000"
+	register "gpe0_en_2" = "0x00000000"
+	register "gpe0_en_3" = "0x00000000"
+	register "gpe0_en_4" = "0x00000000"
+
+	register "sata_port_map" = "0x1"
+	register "sata_devslp_disable" = "0x1"
+
+	register "sio_acpi_mode" = "0"
+	register "sio_i2c0_voltage" = "0" # 3.3V
+	register "sio_i2c1_voltage" = "0" # 3.3V
+
+	# Force enable ASPM for PCIe Port 4
+	register "pcie_port_force_aspm" = "0x10"
+
+	# Enable port coalescing
+	register "pcie_port_coalesce" = "1"
+
+	# Disable PCIe CLKOUT 1,5 and CLKOUT_XDP
+	register "icc_clock_disable" = "0x01220000"
+
+	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 # vga controller
+		device pci 03.0 on end # mini-hd audio
+		device pci 13.0 off end # Smart Sound Audio DSP
+		device pci 14.0 on end # USB3 XHCI
+		device pci 15.0 off end # Serial I/O DMA
+		device pci 15.1 off end # I2C0
+		device pci 15.2 off end # I2C1
+		device pci 15.3 off end # GSPI0
+		device pci 15.4 off end # GSPI1
+		device pci 15.5 off end # UART0
+		device pci 15.6 off end # UART1
+		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 17.0 off end # SDIO
+		device pci 19.0 off end # GbE
+		device pci 1b.0 on end # High Definition Audio
+		device pci 1c.0 off end # PCIe Port #1
+		device pci 1c.1 off 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 on end # PCIe Port #5
+		device pci 1c.5 off end # PCIe Port #6
+		device pci 1d.0 on end # USB2 EHCI
+		device pci 1e.0 off end # PCI bridge
+		device pci 1f.0 on
+			chip superio/ite/it8772f
+				# Skip keyboard init
+				register "skip_keyboard" = "1"
+				# Enable PECI on TMPIN3
+				register "peci_tmpin" = "3"
+				# Enable Thermal Diode on TMPIN1
+				register "tmpin1_mode" = "0"
+				# Enable Thermal Diode on TMPIN2
+				register "tmpin2_mode" = "1"
+				# Enable FAN2
+				register "fan2_enable" = "1"
+				# Default FAN2 speed
+				register "fan2_speed" = "0x4d"
+
+				device pnp 2e.0 off end # FDC
+				device pnp 2e.1 on # Serial Port 1
+					io 0x60 = 0x3f8
+					irq 0x70 = 4
+				end
+				device pnp 2e.4 on # Environment Controller
+					io 0x60 = 0x700
+					io 0x62 = 0x710
+					irq 0x70 = 0x09
+					irq 0xf2 = 0x20
+					irq 0xf4 = 0x0
+					irq 0xfa = 0x12
+				end
+				device pnp 2e.7 on # GPIO
+					io 0x60 = 0x720
+					io 0x62 = 0x730
+				end
+				device pnp 2e.5 off
+					io 0x60 = 0x60
+					io 0x62 = 0x64
+					irq 0x70 = 1
+				end # Keyboard
+				device pnp 2e.6 off
+					irq 0x70 = 12
+				end # Mouse
+				device pnp 2e.a off end # IR
+			end
+		end # LPC bridge
+		device pci 1f.2 on end # SATA Controller
+		device pci 1f.3 on end # SMBus
+		device pci 1f.6 on end # Thermal
+	end
+end
diff --git a/src/mainboard/google/tidus/dsdt.asl b/src/mainboard/google/tidus/dsdt.asl
new file mode 100644
index 0000000000..e0786940c9
--- /dev/null
+++ b/src/mainboard/google/tidus/dsdt.asl
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+DefinitionBlock(
+	"dsdt.aml",
+	"DSDT",
+	0x02,		// DSDT revision: ACPI v2.0
+	"COREv4",	// OEM id
+	"COREBOOT",	// OEM table id
+	0x20110725	// OEM revision
+)
+{
+	// Some generic macros
+	#include "acpi/platform.asl"
+
+	// global NVS and variables
+	#include <soc/intel/broadwell/acpi/globalnvs.asl>
+
+	// General Purpose Events
+	//#include "acpi/gpe.asl"
+
+	// CPU
+	#include <soc/intel/broadwell/acpi/cpu.asl>
+
+	Scope (\_SB) {
+		Device (PCI0)
+		{
+			#include <soc/intel/broadwell/acpi/systemagent.asl>
+			#include <soc/intel/broadwell/acpi/pch.asl>
+		}
+	}
+
+	// Thermal handler
+	#include "acpi/thermal.asl"
+
+	// Chrome OS specific
+	#include "acpi/chromeos.asl"
+	#include <vendorcode/google/chromeos/acpi/chromeos.asl>
+
+	// Chipset specific sleep states
+	#include <soc/intel/broadwell/acpi/sleepstates.asl>
+
+	// Mainboard specific
+	#include "acpi/mainboard.asl"
+}
diff --git a/src/mainboard/google/tidus/fadt.c b/src/mainboard/google/tidus/fadt.c
new file mode 100644
index 0000000000..c377d6745d
--- /dev/null
+++ b/src/mainboard/google/tidus/fadt.c
@@ -0,0 +1,154 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <string.h>
+#include <device/pci.h>
+#include <soc/acpi.h>
+#include <cpu/x86/smm.h>
+#include <soc/pch.h>
+#include <soc/iomap.h>
+
+void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
+{
+	acpi_header_t *header = &(fadt->header);
+	u16 pmbase = ACPI_BASE_ADDRESS;
+
+	memset((void *) fadt, 0, sizeof(acpi_fadt_t));
+	memcpy(header->signature, "FACP", 4);
+	header->length = sizeof(acpi_fadt_t);
+	header->revision = 5;
+	memcpy(header->oem_id, OEM_ID, 6);
+	memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
+	memcpy(header->asl_compiler_id, ASLC, 4);
+	header->asl_compiler_revision = 1;
+
+	fadt->firmware_ctrl = (unsigned long) facs;
+	fadt->dsdt = (unsigned long) dsdt;
+	fadt->model = 1;
+	fadt->preferred_pm_profile = PM_MOBILE;
+
+	fadt->sci_int = 0x9;
+	fadt->smi_cmd = APM_CNT;
+	fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
+	fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
+	fadt->s4bios_req = 0x0;
+	fadt->pstate_cnt = 0;
+
+	fadt->pm1a_evt_blk = pmbase;
+	fadt->pm1b_evt_blk = 0x0;
+	fadt->pm1a_cnt_blk = pmbase + 0x4;
+	fadt->pm1b_cnt_blk = 0x0;
+	fadt->pm2_cnt_blk = pmbase + 0x50;
+	fadt->pm_tmr_blk = pmbase + 0x8;
+	fadt->gpe0_blk = pmbase + 0x80;
+	fadt->gpe1_blk = 0;
+
+	fadt->pm1_evt_len = 4;
+	fadt->pm1_cnt_len = 2;
+	fadt->pm2_cnt_len = 1;
+	fadt->pm_tmr_len = 4;
+	fadt->gpe0_blk_len = 32;
+	fadt->gpe1_blk_len = 0;
+	fadt->gpe1_base = 0;
+	fadt->cst_cnt = 0;
+	fadt->p_lvl2_lat = 1;
+	fadt->p_lvl3_lat = 87;
+	fadt->flush_size = 1024;
+	fadt->flush_stride = 16;
+	fadt->duty_offset = 1;
+	fadt->duty_width = 0;
+	fadt->day_alrm = 0xd;
+	fadt->mon_alrm = 0x00;
+	fadt->century = 0x00;
+	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
+
+	fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
+			ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
+			ACPI_FADT_RESET_REGISTER | ACPI_FADT_SEALED_CASE |
+			ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
+
+	fadt->reset_reg.space_id = 1;
+	fadt->reset_reg.bit_width = 8;
+	fadt->reset_reg.bit_offset = 0;
+	fadt->reset_reg.resv = 0;
+	fadt->reset_reg.addrl = 0xcf9;
+	fadt->reset_reg.addrh = 0;
+
+	fadt->reset_value = 6;
+	fadt->x_firmware_ctl_l = (unsigned long)facs;
+	fadt->x_firmware_ctl_h = 0;
+	fadt->x_dsdt_l = (unsigned long)dsdt;
+	fadt->x_dsdt_h = 0;
+
+	fadt->x_pm1a_evt_blk.space_id = 1;
+	fadt->x_pm1a_evt_blk.bit_width = 32;
+	fadt->x_pm1a_evt_blk.bit_offset = 0;
+	fadt->x_pm1a_evt_blk.resv = 0;
+	fadt->x_pm1a_evt_blk.addrl = pmbase;
+	fadt->x_pm1a_evt_blk.addrh = 0x0;
+
+	fadt->x_pm1b_evt_blk.space_id = 1;
+	fadt->x_pm1b_evt_blk.bit_width = 0;
+	fadt->x_pm1b_evt_blk.bit_offset = 0;
+	fadt->x_pm1b_evt_blk.resv = 0;
+	fadt->x_pm1b_evt_blk.addrl = 0x0;
+	fadt->x_pm1b_evt_blk.addrh = 0x0;
+
+	fadt->x_pm1a_cnt_blk.space_id = 1;
+	fadt->x_pm1a_cnt_blk.bit_width = 16;
+	fadt->x_pm1a_cnt_blk.bit_offset = 0;
+	fadt->x_pm1a_cnt_blk.resv = 0;
+	fadt->x_pm1a_cnt_blk.addrl = pmbase + 0x4;
+	fadt->x_pm1a_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm1b_cnt_blk.space_id = 1;
+	fadt->x_pm1b_cnt_blk.bit_width = 0;
+	fadt->x_pm1b_cnt_blk.bit_offset = 0;
+	fadt->x_pm1b_cnt_blk.resv = 0;
+	fadt->x_pm1b_cnt_blk.addrl = 0x0;
+	fadt->x_pm1b_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm2_cnt_blk.space_id = 1;
+	fadt->x_pm2_cnt_blk.bit_width = 8;
+	fadt->x_pm2_cnt_blk.bit_offset = 0;
+	fadt->x_pm2_cnt_blk.resv = 0;
+	fadt->x_pm2_cnt_blk.addrl = pmbase + 0x50;
+	fadt->x_pm2_cnt_blk.addrh = 0x0;
+
+	fadt->x_pm_tmr_blk.space_id = 1;
+	fadt->x_pm_tmr_blk.bit_width = 32;
+	fadt->x_pm_tmr_blk.bit_offset = 0;
+	fadt->x_pm_tmr_blk.resv = 0;
+	fadt->x_pm_tmr_blk.addrl = pmbase + 0x8;
+	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	fadt->x_gpe0_blk.space_id = 0;
+	fadt->x_gpe0_blk.bit_width = 0;
+	fadt->x_gpe0_blk.bit_offset = 0;
+	fadt->x_gpe0_blk.resv = 0;
+	fadt->x_gpe0_blk.addrl = 0;
+	fadt->x_gpe0_blk.addrh = 0x0;
+
+	fadt->x_gpe1_blk.space_id = 1;
+	fadt->x_gpe1_blk.bit_width = 0;
+	fadt->x_gpe1_blk.bit_offset = 0;
+	fadt->x_gpe1_blk.resv = 0;
+	fadt->x_gpe1_blk.addrl = 0x0;
+	fadt->x_gpe1_blk.addrh = 0x0;
+
+	header->checksum =
+	    acpi_checksum((void *) fadt, header->length);
+}
diff --git a/src/mainboard/google/tidus/gpio.h b/src/mainboard/google/tidus/gpio.h
new file mode 100644
index 0000000000..846fe816d4
--- /dev/null
+++ b/src/mainboard/google/tidus/gpio.h
@@ -0,0 +1,120 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef TIDUS_GPIO_H
+#define TIDUS_GPIO_H
+
+#include <soc/gpio.h>
+
+static const struct gpio_config mainboard_gpio_config[] = {
+	PCH_GPIO_UNUSED,        /* 0: UNUSED */
+	PCH_GPIO_UNUSED,        /* 1: UNUSED */
+	PCH_GPIO_UNUSED,        /* 2: UNUSED */
+	PCH_GPIO_UNUSED,        /* 3: UNUSED */
+	PCH_GPIO_NATIVE,        /* 4: NATIVE: I2C0_SDA_GPIO4 */
+	PCH_GPIO_NATIVE,        /* 5: NATIVE: I2C0_SCL_GPIO5 */
+	PCH_GPIO_NATIVE,        /* 6: NATIVE: I2C1_SDA_GPIO6 */
+	PCH_GPIO_NATIVE,        /* 7: NATIVE: I2C1_SCL_GPIO7 */
+	PCH_GPIO_ACPI_SCI,      /* 8: LAN_WAKE_L_Q */
+	PCH_GPIO_OUT_HIGH,      /* 9: PP3300_WLAN_EN */
+	PCH_GPIO_ACPI_SCI,      /* 10: WLAN_WAKE_L_Q */
+	PCH_GPIO_UNUSED,        /* 11: SMBALERT */
+	PCH_GPIO_INPUT_INVERT,  /* 12: RECOVERY_L */
+	PCH_GPIO_UNUSED,        /* 13: UNUSED */
+	PCH_GPIO_UNUSED,        /* 14: UNUSED */
+	PCH_GPIO_UNUSED,        /* 15: UNUSED (STRAP) */
+	PCH_GPIO_UNUSED,        /* 16: UNUSED */
+	PCH_GPIO_OUT_HIGH,      /* 17: PP3300_VP8_EN */
+	PCH_GPIO_UNUSED,        /* 18: UNUSED */
+	PCH_GPIO_UNUSED,        /* 19: UNUSED */
+	PCH_GPIO_NATIVE,        /* 20: NATIVE: CLK_PCIE_REQ2# */
+	PCH_GPIO_NATIVE,        /* 21: NATIVE: CLK_PCIE_REQ3# */
+	PCH_GPIO_NATIVE,        /* 22: NATIVE: CLK_PCIE_REQ4# */
+	PCH_GPIO_UNUSED,        /* 23: UNUSED */
+	PCH_GPIO_OUT_HIGH,      /* 24: WLAN_OFF_L */
+	PCH_GPIO_UNUSED,        /* 25: UNUSED */
+	PCH_GPIO_OUT_HIGH,      /* 26: USB_CTL_1 */
+	PCH_GPIO_UNUSED,        /* 27: UNUSED */
+	PCH_GPIO_OUT_LOW,      /* 28: USB_ILIM_SEL */
+	PCH_GPIO_UNUSED,        /* 29: UNUSED */
+	PCH_GPIO_NATIVE,        /* 30: NATIVE: PCH_SUSPWRACK_L */
+	PCH_GPIO_NATIVE,        /* 31: NATIVE: PCH_ACPRESENT */
+	PCH_GPIO_NATIVE,        /* 32: NATIVE: CLKRUN# */
+	PCH_GPIO_NATIVE,        /* 33: NATIVE: DEVSLP0 */
+	PCH_GPIO_ACPI_SMI,      /* 34: EC_SMI_L */
+	PCH_GPIO_ACPI_SMI,      /* 35: PCH_NMI_DBG_L (route in NMI_EN) */
+	PCH_GPIO_ACPI_SCI,      /* 36: EC_SCI_L */
+	PCH_GPIO_UNUSED,        /* 37: UNUSED */
+	PCH_GPIO_UNUSED,        /* 38: UNUSED */
+	PCH_GPIO_UNUSED,        /* 39: UNUSED */
+	PCH_GPIO_NATIVE,        /* 40: NATIVE: USB_OC0# */
+	PCH_GPIO_NATIVE,        /* 41: NATIVE: USB_OC1# */
+	PCH_GPIO_NATIVE,        /* 42: NATIVE: USB_OC2# */
+	PCH_GPIO_NATIVE,        /* 43: NATIVE: USB_OC3# */
+	PCH_GPIO_UNUSED,        /* 44: UNUSED */
+	PCH_GPIO_OUT_HIGH,      /* 45: PP5000_CODEC_EN */
+	PCH_GPIO_OUT_HIGH,      /* 46: BT_DISABLE_L */
+	PCH_GPIO_OUT_HIGH,      /* 47: USB1_PWR_EN */
+	PCH_GPIO_OUT_HIGH,      /* 48: USB4_PWR_EN */
+	PCH_GPIO_OUT_LOW,       /* 49: POWER_LED */
+	PCH_GPIO_OUT_HIGH,      /* 50: VP8_DISABLE_L */
+	PCH_GPIO_UNUSED,        /* 51: UNUSED */
+	PCH_GPIO_UNUSED,        /* 52: UNUSED */
+	PCH_GPIO_UNUSED,        /* 53: UNUSED */
+	PCH_GPIO_UNUSED,        /* 54: UNUSED */
+	PCH_GPIO_UNUSED,        /* 55: UNUSED */
+	PCH_GPIO_OUT_HIGH,      /* 56: USB2_PWR_EN */
+	PCH_GPIO_OUT_HIGH,      /* 57: USB3_PWR_EN */
+	PCH_GPIO_INPUT,         /* 58: PCH_SPI_WP_D */
+	PCH_GPIO_OUT_HIGH,      /* 59: PP3300_LAN_EN */
+	PCH_GPIO_NATIVE,        /* 60: NATIVE: SMB0ALERT# */
+	PCH_GPIO_UNUSED,        /* 61: UNUSED */
+	PCH_GPIO_UNUSED,        /* 62: UNUSED */
+	PCH_GPIO_NATIVE,        /* 63: NATIVE: PCH_SLP_S5_L */
+	PCH_GPIO_UNUSED,        /* 64: UNUSED */
+	PCH_GPIO_UNUSED,        /* 65: UNUSED */
+	PCH_GPIO_UNUSED,        /* 66: UNUSED (STRAP) */
+	PCH_GPIO_UNUSED,        /* 67: UNUSED */
+	PCH_GPIO_UNUSED,        /* 68: UNUSED */
+	PCH_GPIO_UNUSED,        /* 69: UNUSED */
+	PCH_GPIO_UNUSED,        /* 70: UNUSED */
+	PCH_GPIO_NATIVE,        /* 71: NATIVE: MODPHY_EN */
+	PCH_GPIO_UNUSED,        /* 72: UNUSED */
+	PCH_GPIO_UNUSED,        /* 73: UNUSED */
+	PCH_GPIO_NATIVE,        /* 74: NATIVE: SMB_ME1_DAT */
+	PCH_GPIO_NATIVE,        /* 75: NATIVE: SMB_ME1_CLK */
+	PCH_GPIO_UNUSED,        /* 76: UNUSED */
+	PCH_GPIO_UNUSED,        /* 77: UNUSED */
+	PCH_GPIO_UNUSED,        /* 78: UNUSED */
+	PCH_GPIO_UNUSED,        /* 79: UNUSED */
+	PCH_GPIO_UNUSED,        /* 80: UNUSED */
+	PCH_GPIO_NATIVE,        /* 81: NATIVE: SPKR */
+	PCH_GPIO_NATIVE,        /* 82: NATIVE: EC_RCIN_L */
+	PCH_GPIO_UNUSED,        /* 83: UNUSED */
+	PCH_GPIO_UNUSED,        /* 84: UNUSED */
+	PCH_GPIO_UNUSED,        /* 85: UNUSED */
+	PCH_GPIO_UNUSED,        /* 86: UNUSED (STRAP) */
+	PCH_GPIO_UNUSED,        /* 87: UNUSED */
+	PCH_GPIO_UNUSED,        /* 88: UNUSED */
+	PCH_GPIO_UNUSED,        /* 89: UNUSED */
+	PCH_GPIO_UNUSED,        /* 90: UNUSED */
+	PCH_GPIO_UNUSED,        /* 91: UNUSED */
+	PCH_GPIO_UNUSED,        /* 92: UNUSED */
+	PCH_GPIO_UNUSED,        /* 93: UNUSED */
+	PCH_GPIO_UNUSED,        /* 94: UNUSED */
+	PCH_GPIO_END
+};
+
+#endif
diff --git a/src/mainboard/google/tidus/hda_verb.c b/src/mainboard/google/tidus/hda_verb.c
new file mode 100644
index 0000000000..284015de6d
--- /dev/null
+++ b/src/mainboard/google/tidus/hda_verb.c
@@ -0,0 +1,109 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 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 <device/azalia_device.h>
+
+const u32 cim_verb_data[] = {
+	/* coreboot specific header */
+	0x10ec0283,	// Codec Vendor / Device ID: Realtek ALC283
+	0x10ec0283,	// Subsystem ID
+	0x0000000c,	// Number of jacks (NID entries)
+
+	/* NID 0x01, HDA Codec Subsystem ID Verb Table: 0x10ec0283 */
+	0x00172083,
+	0x00172102,
+	0x001722ec,
+	0x00172310,
+
+	/* Pin Widget Verb Table */
+
+	/* Pin Complex (NID 0x12) DMIC */
+	0x01271cf0,
+	0x01271d11,
+	0x01271e11,
+	0x01271f41,
+
+	/* Pin Complex (NID 0x14) SPKR-OUT PORTD */
+	0x01471cf0,
+	0x01471d11,
+	0x01471e11,
+	0x01471f40,
+
+	/* Pin Complex (NID 0x17)  */
+	0x01771cf0,
+	0x01771d11,
+	0x01771e11,
+	0x01771f41,
+
+	/* Pin Complex (NID 0x18)  MIC1 PORTB */
+	0x01971c11, // group 1, cap 1
+	0x01971d10, // black, jack detect
+	0x01971ea7, // mic in, analog
+	0x01971f03, // connector, left panel
+
+	/* Pin Complex (NID 0x19)  MIC2 PORTF */
+	0x01871cf0,
+	0x01871d11,
+	0x01871e11,
+	0x01871f41,
+
+	/* Pin Complex (NID 0x1A)  LINE1 PORTC */
+	0x01a71cf0,
+	0x01a71d11,
+	0x01a71e11,
+	0x01a71f41,
+
+	/* Pin Complex (NID 0x1B)  LINE2 PORTE */
+	0x01a71cf0,
+	0x01a71d11,
+	0x01a71e11,
+	0x01a71f41,
+
+	/* Pin Complex (NID 0x1d)  PCBeep */
+	0x01d71c2d, // eapd low on ex-amp, laptop, custom enable
+	0x01d71d81, // mute spkr on hpout
+	0x01d71e15, // pcbeep en able, checksum
+	0x01d71f40, // no physical, internal
+
+	/* Pin Complex (NID 0x1E)  SPDIF-OUT */
+	0x01e71cf0,
+	0x01e71d11,
+	0x01e71e11,
+	0x01e71f41,
+
+	/* Pin Complex (NID 0x21) HPOUT PORT-I */
+	0x02171c1f, // group1,
+	0x02171d10, // black, jack detect
+	0x02171e21, // HPOut, 1/8 stereo
+	0x02171f03, // connector, left panel
+
+	/* Undocumented settings from Realtek (needed for beep_gen) */
+	/* Widget node 0x20 */
+	0x02050010,
+	0x02040c20,
+	0x0205001b,
+	0x0204081b,
+};
+
+const u32 pc_beep_verbs[] = {
+	0x00170500,	/* power up everything (codec, dac, adc, mixers)  */
+	0x01470740,	/* enable speaker out */
+	0x01470c02,	/* set speaker EAPD pin */
+	0x0143b01f,	/* unmute speaker */
+	0x00c37100,	/* unmute mixer nid 0xc input 1 */
+	0x00b37410,	/* unmute mixer nid 0xb beep input and set volume */
+};
+
+AZALIA_ARRAY_SIZES;
diff --git a/src/mainboard/google/tidus/lan.c b/src/mainboard/google/tidus/lan.c
new file mode 100644
index 0000000000..7c03f6c25e
--- /dev/null
+++ b/src/mainboard/google/tidus/lan.c
@@ -0,0 +1,191 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 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 <cbfs.h>
+#include <string.h>
+#include <types.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <fmap.h>
+#include <southbridge/intel/bd82x6x/pch.h>
+#include "onboard.h"
+
+static unsigned int search(char *p, u8 *a, unsigned int lengthp,
+			   unsigned int lengtha)
+{
+	int i, j;
+
+	/* Searching */
+	for (j = 0; j <= lengtha - lengthp; j++) {
+		for (i = 0; i < lengthp && p[i] == a[i + j]; i++) ;
+		if (i >= lengthp)
+			return j;
+	}
+	return lengtha;
+}
+
+static unsigned char get_hex_digit(u8 *offset)
+{
+	unsigned char retval = 0;
+
+	retval = *offset - '0';
+	if (retval > 0x09) {
+		retval = *offset - 'A' + 0x0A;
+		if (retval > 0x0F)
+			retval = *offset - 'a' + 0x0a;
+	}
+	if (retval > 0x0F) {
+		printk(BIOS_DEBUG, "Error: Invalid Hex digit found: %c - 0x%02x\n",
+			*offset, *offset);
+		retval = 0;
+	}
+
+	return retval;
+}
+
+static int get_mac_address(u32 *high_dword, u32 *low_dword,
+			   u8 *search_address, u32 search_length)
+{
+	char key[] = "ethernet_mac";
+	unsigned int offset;
+	int i;
+
+	offset = search(key, search_address, sizeof(key) - 1, search_length);
+	if (offset == search_length) {
+		printk(BIOS_DEBUG,
+		       "Error: Could not locate '%s' in VPD\n", key);
+		return 0;
+	}
+	printk(BIOS_DEBUG, "Located '%s' in VPD\n", key);
+
+	offset += sizeof(key);	/* move to next character */
+	*high_dword = 0;
+
+	/* Fetch the MAC address and put the octets in the correct order to
+	 * be programmed.
+	 *
+	 * From RTL8105E_Series_EEPROM-Less_App_Note_1.1
+	 * If the MAC address is 001122334455h:
+	 * Write 33221100h to I/O register offset 0x00 via double word access
+	 * Write 00005544h to I/O register offset 0x04 via double word access
+	 */
+
+	for (i = 0; i < 4; i++) {
+		*high_dword |= (get_hex_digit(search_address + offset)
+				<< (4 + (i * 8)));
+		*high_dword |= (get_hex_digit(search_address + offset + 1)
+				<< (i * 8));
+		offset += 3;
+	}
+
+	*low_dword = 0;
+	for (i = 0; i < 2; i++) {
+		*low_dword |= (get_hex_digit(search_address + offset)
+			       << (4 + (i * 8)));
+		*low_dword |= (get_hex_digit(search_address + offset + 1)
+			       << (i * 8));
+		offset += 3;
+	}
+
+	return *high_dword | *low_dword;
+}
+
+static void program_mac_address(u16 io_base)
+{
+	void *search_address = NULL;
+	size_t search_length = -1;
+
+	/* Default MAC Address of A0:00:BA:D0:0B:AD */
+	u32 high_dword = 0xD0BA00A0;	/* high dword of mac address */
+	u32 low_dword = 0x0000AD0B;	/* low word of mac address as a dword */
+
+	if (IS_ENABLED(CONFIG_CHROMEOS)) {
+		struct region_device rdev;
+
+		if (fmap_locate_area_as_rdev("RO_VPD", &rdev) == 0) {
+			search_address = rdev_mmap_full(&rdev);
+
+			if (search_address != NULL)
+				search_length = region_device_sz(&rdev);
+		}
+	} else {
+		search_address = cbfs_boot_map_with_leak("vpd.bin",
+							CBFS_TYPE_RAW,
+							&search_length);
+	}
+
+	if (search_address == NULL)
+		printk(BIOS_ERR, "LAN: VPD not found.\n");
+	else
+		get_mac_address(&high_dword, &low_dword, search_address,
+				search_length);
+
+	if (io_base) {
+		printk(BIOS_DEBUG, "Realtek NIC io_base = 0x%04x\n", io_base);
+		printk(BIOS_DEBUG, "Programming MAC Address\n");
+
+		/* Disable register protection */
+		outb(0xc0, io_base + 0x50);
+		outl(high_dword, io_base);
+		outl(low_dword, io_base + 0x04);
+		outb(0x60, io_base + 54);
+		/* Enable register protection again */
+		outb(0x00, io_base + 0x50);
+	}
+}
+
+void lan_init(void)
+{
+	u16 io_base = 0;
+	struct device *ethernet_dev = NULL;
+
+	/* Get NIC's IO base address */
+	ethernet_dev = dev_find_device(TIDUS_NIC_VENDOR_ID,
+				       TIDUS_NIC_DEVICE_ID, 0);
+	if (ethernet_dev != NULL) {
+		io_base = pci_read_config16(ethernet_dev, 0x10) & 0xfffe;
+
+		/*
+		 * Battery life time - LAN PCIe should enter ASPM L1 to save
+		 * power when LAN connection is idle.
+		 * enable CLKREQ: LAN pci config space 0x81h=01
+		 */
+		pci_write_config8(ethernet_dev, 0x81, 0x01);
+	}
+
+	if (io_base) {
+		/* Program MAC address based on VPD data */
+		program_mac_address(io_base);
+
+		/*
+		 * Program NIC LEDS
+		 *
+		 * RTL8105E Series EEPROM-Less Application Note,
+		 * Section 5.6 LED Mode Configuration
+		 *
+		 * Step1: Write C0h to I/O register 0x50 via byte access to
+		 *        disable 'register protection'
+		 * Step2: Write xx001111b to I/O register 0x52 via byte access
+		 *        (bit7 is LEDS1 and bit6 is LEDS0)
+		 * Step3: Write 0x00 to I/O register 0x50 via byte access to
+		 *        enable 'register protection'
+		 */
+		outb(0xc0, io_base + 0x50);	/* Disable protection */
+		outb((TIDUS_NIC_LED_MODE << 6) | 0x0f, io_base + 0x52);
+		outb(0x00, io_base + 0x50);	/* Enable register protection */
+	}
+}
diff --git a/src/mainboard/google/tidus/led.c b/src/mainboard/google/tidus/led.c
new file mode 100644
index 0000000000..c0bf33278c
--- /dev/null
+++ b/src/mainboard/google/tidus/led.c
@@ -0,0 +1,48 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 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 <types.h>
+#include <arch/io.h>
+#include <superio/ite/it8772f/it8772f.h>
+#include "onboard.h"
+
+void set_power_led(u8 led_pin_map, int state)
+{
+	switch (state) {
+	case LED_ON:
+	case LED_OFF:
+		it8772f_gpio_led(IT8772F_GPIO_DEV,
+			1 /* set */,
+			0x01 /* select */,
+			state /* polarity: non-inverting */,
+			0x00 /* 0=pulldown */,
+			0x01 /* output */,
+			0x01 /* 1=Simple IO function */,
+			led_pin_map,
+			IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
+		break;
+	case LED_BLINK:
+		it8772f_gpio_led(IT8772F_GPIO_DEV,
+			1 /* set */,
+			0x01 /* select */,
+			0x01 /* polarity */,
+			0x01 /* 1=pullup */,
+			0x01 /* output */,
+			0x00, /* 0=Alternate function */
+			led_pin_map,
+			IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
+		break;
+	}
+}
diff --git a/src/mainboard/google/tidus/mainboard.c b/src/mainboard/google/tidus/mainboard.c
new file mode 100644
index 0000000000..f400c2fe4f
--- /dev/null
+++ b/src/mainboard/google/tidus/mainboard.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <types.h>
+#include <string.h>
+#include <smbios.h>
+#include <device/device.h>
+#include <device/device.h>
+#include <device/pci_def.h>
+#include <device/pci_ops.h>
+#include <console/console.h>
+#include <pc80/mc146818rtc.h>
+#include <arch/acpi.h>
+#include <arch/io.h>
+#include <arch/interrupt.h>
+#include <boot/coreboot_tables.h>
+#include "onboard.h"
+
+void mainboard_suspend_resume(void)
+{
+	/* Call SMM finalize() handlers before resume */
+	outb(0xcb, 0xb2);
+}
+
+static void mainboard_init(device_t dev)
+{
+	lan_init();
+}
+
+// mainboard_enable is executed as first thing after
+// enumerate_buses().
+
+static void mainboard_enable(device_t dev)
+{
+	dev->ops->init = mainboard_init;
+}
+
+struct chip_operations mainboard_ops = {
+	.enable_dev = mainboard_enable,
+};
+
diff --git a/src/mainboard/google/tidus/onboard.h b/src/mainboard/google/tidus/onboard.h
new file mode 100644
index 0000000000..793c88f6cf
--- /dev/null
+++ b/src/mainboard/google/tidus/onboard.h
@@ -0,0 +1,50 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef ONBOARD_H
+#define ONBOARD_H
+
+#ifndef __ACPI__
+void lan_init(void);
+
+void set_power_led(u8 led_pin_map, int state);
+
+enum {
+	LED_OFF		= 0,
+	LED_ON,
+	LED_BLINK,
+};
+#endif
+
+/* defines for programming the MAC address */
+#define TIDUS_NIC_VENDOR_ID		0x10EC
+#define TIDUS_NIC_DEVICE_ID		0x8168
+
+/* 0x00: White LINK LED and Amber ACTIVE LED */
+#define TIDUS_NIC_LED_MODE		0x00
+
+/* NIC wake is GPIO 8 */
+#define TIDUS_NIC_WAKE_GPIO		8
+
+/* WLAN wake is GPIO 10 */
+#define TIDUS_WLAN_WAKE_GPIO		10
+
+/* IT8772F defs */
+#define IT8772F_BASE 0x2e
+#define IT8772F_SERIAL_DEV PNP_DEV(IT8772F_BASE, IT8772F_SP1)
+#define IT8772F_GPIO_DEV PNP_DEV(IT8772F_BASE, IT8772F_GPIO)
+#define IT8772F_DUMMY_DEV PNP_DEV(IT8772F_BASE, 0)
+
+#endif
diff --git a/src/mainboard/google/tidus/pei_data.c b/src/mainboard/google/tidus/pei_data.c
new file mode 100644
index 0000000000..7c03422553
--- /dev/null
+++ b/src/mainboard/google/tidus/pei_data.c
@@ -0,0 +1,59 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <soc/gpio.h>
+#include <soc/pei_data.h>
+#include <soc/pei_wrapper.h>
+
+void mainboard_fill_pei_data(struct pei_data *pei_data)
+{
+	pei_data->ec_present = 0;
+
+	/* P0: VP8 */
+	pei_data_usb2_port(pei_data, 0, 0x0064, 1, USB_OC_PIN_SKIP,
+			   USB_PORT_MINI_PCIE);
+	/* P1: Port 3, USB3 */
+	pei_data_usb2_port(pei_data, 1, 0x0040, 1, 0,
+			   USB_PORT_INTERNAL);
+	/* P2: Port 4, USB4 */
+	pei_data_usb2_port(pei_data, 2, 0x0040, 1, 1,
+			   USB_PORT_INTERNAL);
+	/* P3: Mini Card */
+	pei_data_usb2_port(pei_data, 3, 0x0040, 1, USB_OC_PIN_SKIP,
+			   USB_PORT_MINI_PCIE);
+	/* P4: Port 1, USB1 */
+	pei_data_usb2_port(pei_data, 4, 0x0040, 1, 2,
+			   USB_PORT_INTERNAL);
+	/* P5: Port 2, USB2 */
+	pei_data_usb2_port(pei_data, 5, 0x0040, 1, 2,
+			   USB_PORT_INTERNAL);
+	/* P6: Card Reader */
+	pei_data_usb2_port(pei_data, 6, 0x0040, 1, USB_OC_PIN_SKIP,
+			   USB_PORT_INTERNAL);
+	/* P7: Pin Header */
+	pei_data_usb2_port(pei_data, 7, 0x0040, 1, 3,
+			   USB_PORT_INTERNAL);
+
+	/* P1: USB1 */
+	pei_data_usb3_port(pei_data, 0, 1, 2, 0);
+	/* P2: USB2 */
+	pei_data_usb3_port(pei_data, 1, 1, 2, 0);
+	/* P3: USB3 */
+	pei_data_usb3_port(pei_data, 2, 1, 0, 0);
+	/* P4: USB4 */
+	pei_data_usb3_port(pei_data, 3, 1, 1, 0);
+}
diff --git a/src/mainboard/google/tidus/romstage.c b/src/mainboard/google/tidus/romstage.c
new file mode 100644
index 0000000000..351fc6162e
--- /dev/null
+++ b/src/mainboard/google/tidus/romstage.c
@@ -0,0 +1,61 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2010 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <cbfs.h>
+#include <console/console.h>
+#include <string.h>
+#include <ec/google/chromeec/ec.h>
+#include <soc/gpio.h>
+#include <soc/pei_data.h>
+#include <soc/pei_wrapper.h>
+#include <soc/romstage.h>
+#include <mainboard/google/tidus/spd/spd.h>
+#include <superio/ite/common/ite.h>
+#include <superio/ite/it8772f/it8772f.h>
+#include "gpio.h"
+#include "onboard.h"
+
+
+void mainboard_romstage_entry(struct romstage_params *rp)
+{
+	struct pei_data pei_data;
+
+	post_code(0x32);
+
+	/* Initialize GPIOs */
+	init_gpios(mainboard_gpio_config);
+
+	/* Fill out PEI DATA */
+	memset(&pei_data, 0, sizeof(pei_data));
+	mainboard_fill_pei_data(&pei_data);
+	mainboard_fill_spd_data(&pei_data);
+	rp->pei_data = &pei_data;
+
+	/* Call into the real romstage main with this board's attributes. */
+	romstage_common(rp);
+}
+
+void mainboard_pre_console_init(void)
+{
+	/* Early SuperIO setup */
+	ite_kill_watchdog(IT8772F_GPIO_DEV);
+	it8772f_ac_resume_southbridge(IT8772F_DUMMY_DEV);
+	ite_enable_serial(IT8772F_SERIAL_DEV, CONFIG_TTYS0_BASE);
+
+	/* Turn On GPIO10.LED */
+	set_power_led(SIO_GPIO_BLINK_GPIO10, LED_ON);
+
+}
diff --git a/src/mainboard/google/tidus/smihandler.c b/src/mainboard/google/tidus/smihandler.c
new file mode 100644
index 0000000000..92c8a2ebbd
--- /dev/null
+++ b/src/mainboard/google/tidus/smihandler.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <cpu/x86/smm.h>
+#include <soc/pm.h>
+#include <soc/smm.h>
+#include <elog.h>
+#include <ec/google/chromeec/ec.h>
+#include <soc/gpio.h>
+#include <soc/iomap.h>
+#include <soc/nvs.h>
+#include <soc/pm.h>
+#include <soc/smm.h>
+#include <superio/ite/it8772f/it8772f.h>
+#include "onboard.h"
+
+/* USB Charger Control: GPIO26 */
+#define GPIO_USB_CTL_1 26
+
+int mainboard_io_trap_handler(int smif)
+{
+	switch (smif) {
+	case 0x99:
+		printk(BIOS_DEBUG, "Sample\n");
+		smm_get_gnvs()->smif = 0;
+		break;
+	default:
+		return 0;
+	}
+
+	/* On success, the IO Trap Handler returns 0
+	 * On failure, the IO Trap Handler returns a value != 0
+	 *
+	 * For now, we force the return value to 0 and log all traps to
+	 * see what's going on.
+	 */
+	return 1;
+}
+
+/* gpi_sts is GPIO 47:32 */
+void mainboard_smi_gpi(u32 gpi_sts)
+{
+}
+
+void mainboard_smi_sleep(u8 slp_typ)
+{
+	/* Disable USB charging if required */
+	switch (slp_typ) {
+	case 3:
+		set_power_led(SIO_GPIO_BLINK_GPIO10, LED_BLINK);
+
+		/* Enable DCP mode */
+		set_gpio(GPIO_USB_CTL_1, 0);
+		break;
+	case 5:
+		set_power_led(SIO_GPIO_BLINK_GPIO10, LED_OFF);
+		break;
+	}
+}
+
+int mainboard_smi_apmc(u8 apmc)
+{
+	switch (apmc) {
+	case APM_CNT_ACPI_ENABLE:
+		break;
+	case APM_CNT_ACPI_DISABLE:
+		break;
+	}
+	return 0;
+}
diff --git a/src/mainboard/google/tidus/spd/Makefile.inc b/src/mainboard/google/tidus/spd/Makefile.inc
new file mode 100644
index 0000000000..275d9836dd
--- /dev/null
+++ b/src/mainboard/google/tidus/spd/Makefile.inc
@@ -0,0 +1,16 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2014 Google Inc.
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+
+romstage-y += spd.c
diff --git a/src/mainboard/google/tidus/spd/spd.c b/src/mainboard/google/tidus/spd/spd.c
new file mode 100644
index 0000000000..d02c9256d6
--- /dev/null
+++ b/src/mainboard/google/tidus/spd/spd.c
@@ -0,0 +1,37 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/byteorder.h>
+#include <cbfs.h>
+#include <console/console.h>
+#include <string.h>
+#include <soc/gpio.h>
+#include <soc/pei_data.h>
+#include <soc/romstage.h>
+#include <mainboard/google/tidus/spd/spd.h>
+
+/* Copy SPD data for on-board memory */
+void mainboard_fill_spd_data(struct pei_data *pei_data)
+{
+	pei_data->spd_addresses[0] = 0xa0;
+	pei_data->spd_addresses[1] = 0x00;
+	pei_data->spd_addresses[2] = 0xa4;
+	pei_data->spd_addresses[3] = 0x00;
+	pei_data->dimm_channel0_disabled = 2;
+	pei_data->dimm_channel1_disabled = 2;
+	// Enable 2x refresh mode
+	pei_data->ddr_refresh_2x = 1;
+	pei_data->dq_pins_interleaved = 1;
+}
diff --git a/src/mainboard/google/tidus/spd/spd.h b/src/mainboard/google/tidus/spd/spd.h
new file mode 100644
index 0000000000..02709cd5fe
--- /dev/null
+++ b/src/mainboard/google/tidus/spd/spd.h
@@ -0,0 +1,22 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef MAINBOARD_SPD_H
+#define MAINBOARD_SPD_H
+
+struct pei_data;
+void mainboard_fill_spd_data(struct pei_data *pei_data);
+
+#endif
diff --git a/src/mainboard/google/tidus/thermal.h b/src/mainboard/google/tidus/thermal.h
new file mode 100644
index 0000000000..31e416ff97
--- /dev/null
+++ b/src/mainboard/google/tidus/thermal.h
@@ -0,0 +1,107 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef THERMAL_H
+#define THERMAL_H
+
+/* Thermal Policy 0 */
+/* Fan is at default speed */
+#define FAN4_0_PWM		0x4d
+
+/* Fan is at LOW speed */
+#define FAN3_0_THRESHOLD_OFF	62
+#define FAN3_0_THRESHOLD_ON	70
+#define FAN3_0_PWM		0x5e
+
+/* Fan is at MEDIUM speed */
+#define FAN2_0_THRESHOLD_OFF	68
+#define FAN2_0_THRESHOLD_ON	81
+#define FAN2_0_PWM		0x78
+
+/* Fan is at HIGH speed */
+#define FAN1_0_THRESHOLD_OFF	78
+#define FAN1_0_THRESHOLD_ON	91
+#define FAN1_0_PWM		0x93
+
+/* Fan is at FULL speed */
+#define FAN0_0_THRESHOLD_OFF	88
+#define FAN0_0_THRESHOLD_ON	100
+#define FAN0_0_PWM		0xb0
+
+/* Thermal Policy 1 */
+/* Fan is at default speed */
+#define FAN4_1_PWM		0x4d
+
+/* Fan is at LOW speed */
+#define FAN3_1_THRESHOLD_OFF	62
+#define FAN3_1_THRESHOLD_ON	70
+#define FAN3_1_PWM		0x5e
+
+/* Fan is at MEDIUM speed */
+#define FAN2_1_THRESHOLD_OFF	68
+#define FAN2_1_THRESHOLD_ON	81
+#define FAN2_1_PWM		0x70
+
+/* Fan is at HIGH speed */
+#define FAN1_1_THRESHOLD_OFF	78
+#define FAN1_1_THRESHOLD_ON	91
+#define FAN1_1_PWM		0x83
+
+/* Fan is at FULL speed */
+#define FAN0_1_THRESHOLD_OFF	88
+#define FAN0_1_THRESHOLD_ON	100
+#define FAN0_1_PWM		0x93
+
+/* Thermal Policy 2 */
+/* Fan is at default speed */
+#define FAN4_2_PWM		0x4d
+
+/* Fan is at LOW speed */
+#define FAN3_2_THRESHOLD_OFF	62
+#define FAN3_2_THRESHOLD_ON	70
+#define FAN3_2_PWM		0x59
+
+/* Fan is at MEDIUM speed */
+#define FAN2_2_THRESHOLD_OFF	68
+#define FAN2_2_THRESHOLD_ON	81
+#define FAN2_2_PWM		0x63
+
+/* Fan is at HIGH speed */
+#define FAN1_2_THRESHOLD_OFF	78
+#define FAN1_2_THRESHOLD_ON	91
+#define FAN1_2_PWM		0x6e
+
+/* Fan is at FULL speed */
+#define FAN0_2_THRESHOLD_OFF	88
+#define FAN0_2_THRESHOLD_ON	100
+#define FAN0_2_PWM		0x7e
+
+/* Threshold to change thermal policy */
+#define THERMAL_POLICY_0_THRESHOLD_OFF	38
+#define THERMAL_POLICY_0_THRESHOLD_ON	40
+
+#define THERMAL_POLICY_1_THRESHOLD_OFF	33
+#define THERMAL_POLICY_1_THRESHOLD_ON	35
+
+/* Temperature which OS will shutdown at */
+#define CRITICAL_TEMPERATURE		103
+
+/* Temperature which OS will throttle CPU */
+#define PASSIVE_TEMPERATURE		105
+
+/* Tj_max value for calculating PECI CPU temperature */
+#define MAX_TEMPERATURE			105
+
+#endif