| /* |
| * 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. |
| */ |
| |
| /* 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) |
| \_SB.PCI0.LPCB.EC.RADI(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)) { |
| 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) |
| } |
| } |
| } |
| } |