Add Lenovo ThinkPad T60

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6530 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 51 insertions, 0 deletions

diff --git a/src/mainboard/lenovo/t60/acpi/video.asl b/src/mainboard/lenovo/t60/acpi/video.asl
new file mode 100644
index 0000000000..c2f9dfb459
--- /dev/null
+++ b/src/mainboard/lenovo/t60/acpi/video.asl
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (c) 2011 Sven Schnelle <svens@stackframe.org>
+ *
+ * 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
+ */
+
+Device (DSPC)
+{
+	Name (_ADR, 0x00020001)
+	OperationRegion (DSPC, PCI_Config, 0x00, 0x100)
+	Field (DSPC, ByteAcc, NoLock, Preserve)
+	{
+		Offset (0xf4),
+		       BRTC, 8
+	}
+
+	Method(BRTD, 0, NotSerialized)
+	{
+		Store(BRTC, Local0)
+		if (LGreater (Local0, 15))
+		{
+			Subtract(Local0, 16, Local0)
+			Store(Local0, BRTC)
+		}
+	}
+
+	Method(BRTU, 0, NotSerialized)
+	{
+		Store (BRTC, Local0)
+		if (LLess(Local0, 0xff))
+		{
+			Add (Local0, 16, Local0)
+			Store(Local0, BRTC)
+		}
+	}
+}