1 files changed, 90 insertions, 0 deletions
diff --git a/src/mainboard/amd/union_station/acpi/thermal.asl b/src/mainboard/amd/union_station/acpi/thermal.asl
new file mode 100644
index 0000000000..c9bccb17ad
--- /dev/null
+++ b/src/mainboard/amd/union_station/acpi/thermal.asl
@@ -0,0 +1,90 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, 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.
+ *
+ * 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
+ */
+
+#if 0
+/* THERMAL */
+Scope(\_TZ) {
+	Name (KELV, 2732)
+	Name (THOT, 800)
+	Name (TCRT, 850)
+
+	ThermalZone(TZ00) {
+		Method(_AC0,0) {	/* Active Cooling 0 (0=highest fan speed) */
+			/* DBGO("\\_TZ\\TZ00\\_AC0\n") */
+			Return(Add(0, 2730))
+		}
+		Method(_AL0,0) {	/* Returns package of cooling device to turn on */
+			/* DBGO("\\_TZ\\TZ00\\_AL0\n") */
+			Return(Package() {\_TZ.TZ00.FAN0})
+		}
+		Device (FAN0) {
+			Name(_HID, EISAID("PNP0C0B"))
+			Name(_PR0, Package() {PFN0})
+		}
+
+		PowerResource(PFN0,0,0) {
+			Method(_STA) {
+				Store(0xF,Local0)
+				Return(Local0)
+			}
+			Method(_ON) {
+				/* DBGO("\\_TZ\\TZ00\\FAN0 _ON\n") */
+			}
+			Method(_OFF) {
+				/* DBGO("\\_TZ\\TZ00\\FAN0 _OFF\n") */
+			}
+		}
+
+		Method(_HOT,0) {	/* return hot temp in tenths degree Kelvin */
+			/* DBGO("\\_TZ\\TZ00\\_HOT\n") */
+			Return (Add (THOT, KELV))
+		}
+		Method(_CRT,0) {	/* return critical temp in tenths degree Kelvin */
+			/* DBGO("\\_TZ\\TZ00\\_CRT\n") */
+			Return (Add (TCRT, KELV))
+		}
+		Method(_TMP,0) {	/* return current temp of this zone */
+			Store (SMBR (0x07, 0x4C,, 0x00), Local0)
+			If (LGreater (Local0, 0x10)) {
+				Store (Local0, Local1)
+			}
+			Else {
+				Add (Local0, THOT, Local0)
+				Return (Add (400, KELV))
+			}
+
+			Store (SMBR (0x07, 0x4C, 0x01), Local0)
+			/* only the two MSBs in the external temperature low byte are used, resolution 0.25. We ignore it */
+			/* Store (SMBR (0x07, 0x4C, 0x10), Local2) */
+			If (LGreater (Local0, 0x10)) {
+				If (LGreater (Local0, Local1)) {
+					Store (Local0, Local1)
+				}
+
+				Multiply (Local1, 10, Local1)
+				Return (Add (Local1, KELV))
+			}
+			Else {
+				Add (Local0, THOT, Local0)
+				Return (Add (400 , KELV))
+			}
+		} /* end of _TMP */
+	} /* end of TZ00 */
+}
+#endif