1 files changed, 81 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/z61t/acpi/platform.asl b/src/mainboard/lenovo/z61t/acpi/platform.asl
new file mode 100644
index 0000000000..006b6f0ba2
--- /dev/null
+++ b/src/mainboard/lenovo/z61t/acpi/platform.asl
@@ -0,0 +1,81 @@
+/*
+ * 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.
+ */
+
+/* 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)
+{
+	\_SB.PCI0.LPCB.EC.MUTE(1)
+	\_SB.PCI0.LPCB.EC.USBP(0)
+	\_SB.PCI0.LPCB.EC.RADI(0)
+}
+
+/* The _WAK method is called on system wakeup */
+
+Method(_WAK,1)
+{
+	// CPU specific part
+
+	// Notify PCI Express slots in case a card
+	// was inserted while a sleep state was active.
+
+	// Are we going to S3?
+	If (LEqual(Arg0, 3)) {
+		// ..
+	}
+
+	// Are we going to S4?
+	If (LEqual(Arg0, 4)) {
+		// ..
+	}
+
+	// TODO: Windows XP SP2 P-State restore
+
+	Return(Package(){0,0})
+}
+
+/* System Bus */
+
+Scope(\_SB)
+{
+	/* This method is placed on the top level, so we can make sure it's the
+	 * first executed _INI method.
+	 */
+	Method(_INI, 0)
+	{
+		/* The DTS data in NVS is probably not up to date.
+		 * Update temperature values and make sure AP thermal
+		 * interrupts can happen
+		 */
+
+		// TRAP(71) // TODO
+
+		\GOS()
+
+		/* And the OS workarounds start right after we know what we're
+		 * running: Windows XP SP1 needs to have C-State coordination
+		 * enabled in SMM.
+		 */
+		If (LAnd(LEqual(OSYS, 2001), MPEN)) {
+			// TRAP(61) // TODO
+		}
+
+		/* SMM power state and C4-on-C3 settings need to be updated */
+		// TRAP(43) // TODO
+	}
+}