From a823f9b545b4a172c1c0f778b773f9ca13f0791e Mon Sep 17 00:00:00 2001 From: Zaolin Date: Tue, 6 May 2014 21:31:45 +0200 Subject: mainboard/lenovo: Add Lenovo Thinkpad T520 support Short list of known issues for this patchset: * Suspend/Resume - does not work * Combi pci card for SD/MMC card reader with IEEE1394 - not found * Shutdown - sometimes does not work as expected * At least mysterious harddrive i/o Change-Id: Iaba8d1f5e471cfeca20d82f4e1b416641e1f2ae9 Signed-off-by: Philipp Deppenwiese Reviewed-on: http://review.coreboot.org/5672 Tested-by: build bot (Jenkins) Reviewed-by: Idwer Vollering --- src/mainboard/lenovo/t520/acpi/platform.asl | 74 +++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 src/mainboard/lenovo/t520/acpi/platform.asl (limited to 'src/mainboard/lenovo/t520/acpi/platform.asl') diff --git a/src/mainboard/lenovo/t520/acpi/platform.asl b/src/mainboard/lenovo/t520/acpi/platform.asl new file mode 100644 index 0000000000..73478eae7d --- /dev/null +++ b/src/mainboard/lenovo/t520/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}) +} + -- cgit v1.2.3