From 9bf05de5ab2842fc83cea8da5e9058417fc4bc24 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Thu, 14 Nov 2013 19:11:19 +0100
Subject: lenovo/x201: Add support for Lenovo X201 (Calpella-based laptop)

Was extensively tested on my X201.
More info on the wiki

Change-Id: I503d77749780422e446b48224ca98a1f22a2c180
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4514
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
---
 src/mainboard/lenovo/x201/acpi/platform.asl | 149 ++++++++++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 src/mainboard/lenovo/x201/acpi/platform.asl

(limited to 'src/mainboard/lenovo/x201/acpi/platform.asl')

diff --git a/src/mainboard/lenovo/x201/acpi/platform.asl b/src/mainboard/lenovo/x201/acpi/platform.asl
new file mode 100644
index 0000000000..a8653266e2
--- /dev/null
+++ b/src/mainboard/lenovo/x201/acpi/platform.asl
@@ -0,0 +1,149 @@
+/*
+ * 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.
+ *
+ * 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
+ */
+
+/* These come from the dynamically created CPU SSDT */
+External(PDC0)
+External(PDC1)
+
+/* The APM port can be used for generating software SMIs */
+
+OperationRegion (APMP, SystemIO, 0xb2, 2)
+Field (APMP, ByteAcc, NoLock, Preserve)
+{
+	APMC, 8,	/* APM command */
+	APMS, 8		/* APM status */
+}
+
+/* SMI I/O Trap */
+Method(TRAP, 1, Serialized)
+{
+	Store (Arg0, SMIF)	/* SMI Function */
+	Store (0, TRP0)		/* Generate trap */
+	Return (SMIF)		/* Return value of SMI handler */
+}
+
+/* The _PIC method is called by the OS to choose between interrupt
+ * routing via the i8259 interrupt controller or the APIC.
+ *
+ * _PIC is called with a parameter of 0 for i8259 configuration and
+ * with a parameter of 1 for Local Apic/IOAPIC configuration.
+ */
+
+Method(_PIC, 1)
+{
+	/* Remember the OS' IRQ routing choice.  */
+	Store(Arg0, PICM)
+}
+
+/* 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)
+}
+
+/* The _WAK method is called on system wakeup */
+
+Method(_WAK,1)
+{
+	/* Not implemented.  */
+	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  */
+
+		/* Determine the Operating System and save the value in OSYS.
+		 * We have to do this in order to be able to work around
+		 * certain windows bugs.
+		 *
+		 *    OSYS value | Operating System
+		 *    -----------+------------------
+		 *       2000    | Windows 2000
+		 *       2001    | Windows XP(+SP1)
+		 *       2002    | Windows XP SP2
+		 *       2006    | Windows Vista
+		 *       ????    | Windows 7
+		 */
+
+		/* Let's assume we're running at least Windows 2000 */
+		Store (2000, OSYS)
+
+		If (CondRefOf(_OSI, Local0)) {
+			If (_OSI("Windows 2001")) {
+				Store (2001, OSYS)
+			}
+
+			If (_OSI("Windows 2001 SP1")) {
+				Store (2001, OSYS)
+			}
+
+			If (_OSI("Windows 2001 SP2")) {
+				Store (2002, OSYS)
+			}
+
+			If (_OSI("Windows 2001.1")) {
+				Store (2001, OSYS)
+			}
+
+			If (_OSI("Windows 2001.1 SP1")) {
+				Store (2001, OSYS)
+			}
+
+			If (_OSI("Windows 2006")) {
+				Store (2006, OSYS)
+			}
+
+			If (_OSI("Windows 2006.1")) {
+				Store (2006, OSYS)
+			}
+
+			If (_OSI("Windows 2006 SP1")) {
+				Store (2006, OSYS)
+			}
+
+			If (_OSI("Windows 2009")) {
+				Store (2009, OSYS)
+			}
+
+			If (_OSI("Windows 2012")) {
+				Store (2012, OSYS)
+			}
+		}
+	}
+}
+
-- 
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