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authorEdward O'Callaghan <eocallaghan@alterapraxis.com>2014-03-16 17:09:58 +1100
committerAlexandru Gagniuc <mr.nuke.me@gmail.com>2014-04-09 16:40:55 +0200
commit956c29823328b37506fce7bfefe7e53e58706dd2 (patch)
tree4bf558556b9898cac5fb5db070279d621a38422f /src/mainboard/lenovo/t530/acpi/platform.asl
parenta09dad0c77ff0365210f784b10d0516338a949b7 (diff)
downloadcoreboot-956c29823328b37506fce7bfefe7e53e58706dd2.tar.xz
mainboard/lenovo: [1/2] fork X230 to T530
Step 1: copy all files unmodified from Lenovo X230. This makes it much easier later to see how the two boards actually and deliberately differ when porting bugfixes from one to the other. Change-Id: I3151c7848440ea6c240b959379a8eb369d35f3de Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/5390 Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/mainboard/lenovo/t530/acpi/platform.asl')
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1 files changed, 74 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t530/acpi/platform.asl b/src/mainboard/lenovo/t530/acpi/platform.asl
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+++ b/src/mainboard/lenovo/t530/acpi/platform.asl
@@ -0,0 +1,74 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011-2012 The Chromium OS Authors. All rights reserved.
+ *
+ * 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
+ */
+
+/* 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
+}
+
+/* Port 80 POST */
+
+OperationRegion (POST, SystemIO, 0x80, 1)
+Field (POST, ByteAcc, Lock, Preserve)
+{
+ DBG0, 8
+}
+
+/* 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)
+{
+
+}
+
+/* The _WAK method is called on system wakeup */
+
+Method(_WAK,1)
+{
+ /* Not implemented. */
+ Return(Package(){0,0})
+}
+