Mainboard: Add support for Grays Reef

Grays Reef is one of Intel's CRBs for the Haswell processor. The
platform is named Shark Bay.

GPIOs were the main focus so IRQ routing and ACPI still needs to be
further looked at.

Change-Id: Ie94b7af66f772714992a92612c76ca93b9b27088
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2621
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

1 files changed, 275 insertions, 0 deletions

diff --git a/src/mainboard/intel/graysreef/acpi/thermal.asl b/src/mainboard/intel/graysreef/acpi/thermal.asl
new file mode 100644
index 0000000000..f8e9d97eda
--- /dev/null
+++ b/src/mainboard/intel/graysreef/acpi/thermal.asl
@@ -0,0 +1,275 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// Thermal Zone
+
+Scope (\_TZ)
+{
+	ThermalZone (THRM)
+	{
+		Name (_TC1, 0x02)
+		Name (_TC2, 0x05)
+
+		// Thermal zone polling frequency: 0 seconds
+		Name (_TZP, 0)
+
+		// Thermal sampling period for passive cooling: 2 seconds
+		Name (_TSP, 20)
+
+		// 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)
+		}
+
+		// 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 ())
+		}
+
+		Method (_TMP, 0, Serialized)
+		{
+			// Get CPU Temperature from PECI via SuperIO TMPIN3
+			// FIXME: figure out how to read temp on this board.
+			Store (30, Local0)
+
+			// Check for invalid readings
+			If (LOr (LEqual (Local0, 255), LEqual (Local0, 0))) {
+				Return (CTOK (\F2ON))
+			}
+
+			// 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 (_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 (\F4OF))
+			} Else {
+				Return (CTOK (\F4ON))
+			}
+		}
+
+		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)  {
+				Store (0, \FLVL)
+				Store (\F0PW, \_SB.PCI0.LPCB.SIO.ENVC.F3PS)
+				Notify (\_TZ.THRM, 0x81)
+			}
+			Method (_OFF) {
+				Store (1, \FLVL)
+				Store (\F1PW, \_SB.PCI0.LPCB.SIO.ENVC.F3PS)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+
+		PowerResource (FNP1, 0, 0)
+		{
+			Method (_STA) {
+				If (LLessEqual (\FLVL, 1)) {
+					Return (One)
+				} Else {
+					Return (Zero)
+				}
+			}
+			Method (_ON)  {
+				Store (1, \FLVL)
+				Store (\F1PW, \_SB.PCI0.LPCB.SIO.ENVC.F3PS)
+				Notify (\_TZ.THRM, 0x81)
+			}
+			Method (_OFF) {
+				Store (2, \FLVL)
+				Store (\F2PW, \_SB.PCI0.LPCB.SIO.ENVC.F3PS)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+
+		PowerResource (FNP2, 0, 0)
+		{
+			Method (_STA) {
+				If (LLessEqual (\FLVL, 2)) {
+					Return (One)
+				} Else {
+					Return (Zero)
+				}
+			}
+			Method (_ON)  {
+				Store (2, \FLVL)
+				Store (\F2PW, \_SB.PCI0.LPCB.SIO.ENVC.F3PS)
+				Notify (\_TZ.THRM, 0x81)
+			}
+			Method (_OFF) {
+				Store (3, \FLVL)
+				Store (\F3PW, \_SB.PCI0.LPCB.SIO.ENVC.F3PS)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+
+		PowerResource (FNP3, 0, 0)
+		{
+			Method (_STA) {
+				If (LLessEqual (\FLVL, 3)) {
+					Return (One)
+				} Else {
+					Return (Zero)
+				}
+			}
+			Method (_ON)  {
+				Store (3, \FLVL)
+				Store (\F3PW, \_SB.PCI0.LPCB.SIO.ENVC.F3PS)
+				Notify (\_TZ.THRM, 0x81)
+			}
+			Method (_OFF) {
+				Store (4, \FLVL)
+				Store (\F4PW, \_SB.PCI0.LPCB.SIO.ENVC.F3PS)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+
+		PowerResource (FNP4, 0, 0)
+		{
+			Method (_STA) {
+				If (LLessEqual (\FLVL, 4)) {
+					Return (One)
+				} Else {
+					Return (Zero)
+				}
+			}
+			Method (_ON)  {
+				Store (4, \FLVL)
+				Store (\F4PW, \_SB.PCI0.LPCB.SIO.ENVC.F3PS)
+				Notify (\_TZ.THRM, 0x81)
+			}
+			Method (_OFF) {
+				Store (4, \FLVL)
+				Store (\F4PW, \_SB.PCI0.LPCB.SIO.ENVC.F3PS)
+				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 })
+		}
+	}
+}
+