Add EC component for SMSC MEC1308/1310

Change-Id: I92109fb633a1a3090b4b1767dd119b8c8a1b5f81
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/828
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

1 files changed, 272 insertions, 0 deletions

diff --git a/src/ec/smsc/mec1308/acpi/ec.asl b/src/ec/smsc/mec1308/acpi/ec.asl
new file mode 100644
index 0000000000..f0b77c25e5
--- /dev/null
+++ b/src/ec/smsc/mec1308/acpi/ec.asl
@@ -0,0 +1,272 @@
+/*
+ * 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
+ */
+
+/*
+ * The mainboard must define a PNOT method to handle power
+ * state notifications and Notify CPU device objects to
+ * re-evaluate their _PPC and _CST tables.
+ */
+
+Device (EC0)
+{
+	Name (_HID, EISAID ("PNP0C09"))
+	Name (_UID, 1)
+	Name (_GPE, EC_GPE)	// GPE for Runtime SCI
+
+	OperationRegion (ERAM, EmbeddedControl, 0x00, 0xff)
+	Field (ERAM, ByteAcc, Lock, Preserve)
+	{
+		Offset (0x80),
+		BTEX, 1,		// Battery Exists
+		, 1,
+		ACEX, 1,		// AC Exists
+		, 5,
+		Offset (0x83),
+		LIDS, 1,		// Lid Switch State
+		, 7,
+		BTST, 8,		// Battery State
+		Offset (0xA2),
+		BTRA, 16,		// Battery Remaining Capacity
+		BTPR, 16,		// Battery Present Rate
+		BTVO, 16,		// Battery Present Voltage
+		Offset (0xB0),
+		BTDA, 16,		// Battery Design Capacity
+		BTDF, 16,		// Battery Last Full Charge Capacity
+		BTDV, 16,		// Battery Design Voltage
+		BTDL, 16,		// Battery Design Low
+		Offset (0xC0),
+		CPUT, 8,		// CPU Temperature
+		Offset (0xCA),
+		FSL0, 1,		// Fan Speed Level 0
+		FSL1, 1,		// Fan Speed Level 1
+		FSL2, 1,		// Fan Speed Level 2
+		FSL3, 1,		// Fan Speed Level 3
+		FSL4, 1,		// Fan Speed Level 4
+		, 2,
+		FCOS, 1,		// Fan Speed OS Control
+	}
+
+	Method (_CRS, 0, NotSerialized)
+	{
+		Name (ECMD, ResourceTemplate()
+		{
+			IO (Decode16, 0x62, 0x62, 0, 1)
+			IO (Decode16, 0x66, 0x66, 0, 1)
+		})
+		Return (ECMD)
+	}
+
+	Method (_REG, 2, NotSerialized)
+	{
+		// Initialize AC power state
+		Store (ACEX, \PWRS)
+
+		// Initialize LID switch state
+		Store (LIDS, \LIDS)
+
+		// Enable OS control of fan speed
+		Store (One, FCOS)
+
+		// Force a read of CPU temperature
+		Store (CPUT, Local0)
+	}
+
+	PowerResource (FNP0, 0, 0)
+	{
+		Method (_STA) { Return (FSL0) }
+		Method (_ON)  {
+			If (FCOS) {
+				Store (One, FSL0)
+				Store (0, \FLVL)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+		Method (_OFF) {
+			If (FCOS) {
+				Store (Zero, FSL0)
+				Store (1, \FLVL)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+	}
+
+	PowerResource (FNP1, 0, 0)
+	{
+		Method (_STA) { Return (FSL1) }
+		Method (_ON)  {
+			If (FCOS) {
+				Store (One, FSL1)
+				Store (1, \FLVL)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+		Method (_OFF) {
+			If (FCOS) {
+				Store (Zero, FSL1)
+				Store (2, \FLVL)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+	}
+
+	PowerResource (FNP2, 0, 0)
+	{
+		Method (_STA) { Return (FSL2) }
+		Method (_ON)  {
+			If (FCOS) {
+				Store (One, FSL2)
+				Store (2, \FLVL)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+		Method (_OFF) {
+			If (FCOS) {
+				Store (Zero, FSL2)
+				Store (3, \FLVL)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+	}
+
+	PowerResource (FNP3, 0, 0)
+	{
+		Method (_STA) { Return (FSL3) }
+		Method (_ON)  {
+			If (FCOS) {
+				Store (One, FSL3)
+				Store (3, \FLVL)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+		Method (_OFF) {
+			If (FCOS) {
+				Store (Zero, FSL3)
+				Store (4, \FLVL)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+	}
+
+	PowerResource (FNP4, 0, 0)
+	{
+		Method (_STA) { Return (FSL4) }
+		Method (_ON)  {
+			If (FCOS) {
+				Store (One, FSL4)
+				Store (4, \FLVL)
+				Notify (\_TZ.THRM, 0x81)
+			}
+		}
+		Method (_OFF) {
+			If (FCOS) {
+				Store (Zero, FSL4)
+				Store (5, \FLVL)
+				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 })
+	}
+
+	// AC Power Connected
+	Method (_Q51, 0, NotSerialized)
+	{
+		Store (One, \PWRS)
+		Notify (AC, 0x80)
+		\PNOT ()
+	}
+
+	// AC Power Removed
+	Method (_Q52, 0, NotSerialized)
+	{
+		Store (Zero, \PWRS)
+		Notify (AC, 0x80)
+		\PNOT ()
+	}
+
+	// Battery State Change
+	Method (_Q53, 0, NotSerialized)
+	{
+		Notify (BAT0, 0x80)
+		Notify (BAT0, 0x81)
+	}
+
+	// Battery State Change
+	Method (_Q54, 0, NotSerialized)
+	{
+		Notify (BAT0, 0x80)
+		Notify (BAT0, 0x81)
+	}
+
+	// Power State Change
+	Method (_Q55, 0, NotSerialized)
+	{
+		\PNOT ()
+	}
+
+	// Lid Switch Event
+	Method (_Q5E, 0, NotSerialized)
+	{
+		Store (LIDS, \LIDS)
+		Notify (\_SB.LID0, 0x80)
+	}
+
+	// Lid Switch Event
+	Method (_Q5F, 0, NotSerialized)
+	{
+		Store (LIDS, \LIDS)
+		Notify (\_SB.LID0, 0x80)
+	}
+
+	#include "ac.asl"
+	#include "battery.asl"
+}