blob: 00d1d76107a0f9b8a48f4aaad24fcb8e6eaf4be5 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Tobias Diedrich <ranma+coreboot@tdiedrich.de>
*
* 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
*/
#include "southbridge/intel/i82371eb/i82371eb.h"
DefinitionBlock ("DSDT.aml", "DSDT", 2, "CORE ", "COREBOOT", 1)
{
/*
* Intel 82371EB (PIIX4E) datasheet, section 7.2.3, page 142
*
* 0: soft off/suspend to disk S5
* 1: suspend to ram S3
* 2: powered on suspend, context lost S2
* Note: 'context lost' means the CPU restarts at the reset
* vector
* 3: powered on suspend, CPU context lost S1
* Note: Looks like 'CPU context lost' does _not_ mean the
* CPU restarts at the reset vector. Most likely only
* caches are lost, so both 0x3 and 0x4 map to acpi S1
* 4: powered on suspend, context maintained S1
* 5: working (clock control) S0
* 6: reserved
* 7: reserved
*/
Name (\_S0, Package () { 0x05, 0x05, 0x00, 0x00 })
Name (\_S1, Package () { 0x03, 0x03, 0x00, 0x00 })
Name (\_S5, Package () { 0x00, 0x00, 0x00, 0x00 })
OperationRegion (SIO1, SystemIO, Add(DEFAULT_PMBASE, GPO0), 2)
Field (SIO1, ByteAcc, NoLock, Preserve)
{
FANP, 1, /* CPU/case fan power */
Offset (0x01),
PLED, 1,
}
Method (\_PTS, 1, NotSerialized)
{
/* Disable fan, blink power led */
Store (Zero, FANP)
Store (Zero, PLED)
}
Method (\_WAK, 1, NotSerialized)
{
/* Re-enable fan, stop power led blinking */
Store (One, FANP)
Store (One, PLED)
/* wake OK */
Return(Package(0x02){0x00, 0x00})
}
/* Root of the bus hierarchy */
Scope (\_SB)
{
/* Top PCI device */
Device (PCI0)
{
Name (_HID, EisaId ("PNP0A03"))
Name (_ADR, 0x00)
Name (_UID, 0x00)
Name (_BBN, 0x00)
/* PCI Routing Table */
Name (_PRT, Package () {
Package (0x04) { 0x0001FFFF, 0, LNKA, 0 },
Package (0x04) { 0x0001FFFF, 1, LNKB, 0 },
Package (0x04) { 0x0001FFFF, 2, LNKC, 0 },
Package (0x04) { 0x0001FFFF, 3, LNKD, 0 },
Package (0x04) { 0x0004FFFF, 0, LNKA, 0 },
Package (0x04) { 0x0004FFFF, 1, LNKB, 0 },
Package (0x04) { 0x0004FFFF, 2, LNKC, 0 },
Package (0x04) { 0x0004FFFF, 3, LNKD, 0 },
Package (0x04) { 0x0009FFFF, 0, LNKD, 0 },
Package (0x04) { 0x0009FFFF, 1, LNKA, 0 },
Package (0x04) { 0x0009FFFF, 2, LNKB, 0 },
Package (0x04) { 0x0009FFFF, 3, LNKC, 0 },
Package (0x04) { 0x000AFFFF, 0, LNKC, 0 },
Package (0x04) { 0x000AFFFF, 1, LNKD, 0 },
Package (0x04) { 0x000AFFFF, 2, LNKA, 0 },
Package (0x04) { 0x000AFFFF, 3, LNKB, 0 },
Package (0x04) { 0x000BFFFF, 0, LNKB, 0 },
Package (0x04) { 0x000BFFFF, 1, LNKC, 0 },
Package (0x04) { 0x000BFFFF, 2, LNKD, 0 },
Package (0x04) { 0x000BFFFF, 3, LNKA, 0 },
Package (0x04) { 0x000CFFFF, 0, LNKA, 0 },
Package (0x04) { 0x000CFFFF, 1, LNKB, 0 },
Package (0x04) { 0x000CFFFF, 2, LNKC, 0 },
Package (0x04) { 0x000CFFFF, 3, LNKD, 0 },
})
#include "northbridge/intel/i440bx/acpi/sb_pci0_crs.asl"
#include "southbridge/intel/i82371eb/acpi/isabridge.asl"
}
#include "southbridge/intel/i82371eb/acpi/pirq.asl"
}
}