| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2009 coresystems GmbH |
| * Copyright (C) 2012 Google Inc. |
| * |
| * 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) |
| { |
| /* Update AC status */ |
| Store (\_SB.PCI0.LPCB.EC0.ACEX, Local0) |
| if (LNotEqual (Local0, \PWRS)) { |
| Store (Local0, \PWRS) |
| Notify (\_SB.PCI0.LPCB.EC0.AC, 0x80) |
| } |
| |
| /* Update LID status */ |
| Store (\_SB.PCI0.LPCB.EC0.LIDS, Local0) |
| if (LNotEqual (Local0, \LIDS)) { |
| Store (Local0, \LIDS) |
| Notify (\_SB.LID0, 0x80) |
| } |
| |
| Return(Package(){0,0}) |
| } |
