From 7cfa7f97a1affb06f493a2335c99b213a91d335d Mon Sep 17 00:00:00 2001
From: Stefan Reinauer <stepan@coresystems.de>
Date: Sun, 16 May 2010 14:24:41 +0000
Subject: Add support for the Getac P470

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5559 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
---
 src/mainboard/getac/p470/acpi/thermal.asl | 106 ++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 src/mainboard/getac/p470/acpi/thermal.asl

(limited to 'src/mainboard/getac/p470/acpi/thermal.asl')

diff --git a/src/mainboard/getac/p470/acpi/thermal.asl b/src/mainboard/getac/p470/acpi/thermal.asl
new file mode 100644
index 0000000000..93bdbcfe66
--- /dev/null
+++ b/src/mainboard/getac/p470/acpi/thermal.asl
@@ -0,0 +1,106 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2010 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.
+ *
+ * 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)
+	{
+		// TODO These could/should be read from the
+		// GNVS area, so they can be controlled by 
+		// coreboot
+		Name(TC1V, 0x00)
+		Name(TC2V, 0x0a)
+		Name(TSPV, 0x32)
+
+
+		// Convert from °C to 1/10 Kelvin
+		Method(DEGR, 1, NotSerialized)
+		{
+			Store(Arg0, Local0)
+			// 10ths of degrees
+			Multiply(Local0, 10, Local0)
+			// 0°C is 273.15 K, we need to round it.
+			Add(Local0, 2732, Local0)
+			Return(Local0)
+		}
+
+		// At which temperature should the OS start
+		// active cooling?
+		Method (_AC0, 0, Serialized)
+		{
+			Return (0xf5c) // Value for Rocky
+		}
+
+		// Critical shutdown temperature
+		Method (_CRT, 0, Serialized)
+		{
+			Store(\_SB.PCI0.LPCB.EC0.CRTT, Local0)
+			Store(DEGR(Local0), Local0)
+			Return(Local0)
+		}
+
+		// CPU throttling start temperature
+		Method (_PSV, 0, Serialized)
+		{
+			Store(\_SB.PCI0.LPCB.EC0.CTRO, Local0)
+			Store(DEGR(Local0), Local0)
+			Return(Local0)
+		}
+
+		// Get DTS Temperature
+		Method (_TMP, 0, Serialized)
+		{
+			Store(\_SB.PCI0.LPCB.EC0.CTMP, Local0)
+			Store(DEGR(Local0), Local0)
+			Return(Local0)
+		}
+
+		// Processors used for active cooling
+		Method (_PSL, 0, Serialized)
+		{
+			If (MPEN) {
+				Return (Package() {\_PR.CPU0, \_PR.CPU1})
+			}
+			Return (Package() {\_PR.CPU0})
+		}
+
+		// TC1 value for passive cooling
+		Method (_TC1, 0, Serialized)
+		{
+			Return (TC1V)
+		}
+
+		// TC2 value for passive cooling
+		Method (_TC2, 0, Serialized)
+		{
+			Return (TC2V)
+		}
+
+		// Sampling period for passive cooling
+		Method (_TSP, 0, Serialized)
+		{
+			Return (TSPV)
+		}
+	}
+}
+
-- 
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