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/*
* Bochs/QEMU ACPI DSDT ASL definition
*
* Copyright (c) 2006 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2 as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
ACPI_EXTRACT_ALL_CODE AcpiDsdtAmlCode
DefinitionBlock (
"acpi-dsdt.aml", // Output Filename
"DSDT", // Signature
0x01, // DSDT Compliance Revision
"BXPC", // OEMID
"BXDSDT", // TABLE ID
0x1 // OEM Revision
)
{
#include "acpi-dsdt-dbug.dsl"
Scope(\_SB) {
Device(PCI0) {
Name(_HID, EisaId("PNP0A03"))
Name(_ADR, 0x00)
Name(_UID, 1)
//#define PX13 S0B_
// External(PX13, DeviceObj)
}
}
#include "acpi-dsdt-hpet.dsl"
/****************************************************************
* PIIX4 PM
****************************************************************/
Scope(\_SB.PCI0) {
Device(PX13) {
Name(_ADR, 0x00010003)
OperationRegion(P13C, PCI_Config, 0x00, 0xff)
}
}
/****************************************************************
* PIIX3 ISA bridge
****************************************************************/
Scope(\_SB.PCI0) {
External(ISA, DeviceObj)
Device(ISA) {
Name(_ADR, 0x00010000)
/* PIIX PCI to ISA irq remapping */
OperationRegion(P40C, PCI_Config, 0x60, 0x04)
/* enable bits */
Field(\_SB.PCI0.PX13.P13C, AnyAcc, NoLock, Preserve) {
Offset(0x5f),
, 7,
LPEN, 1, // LPT
Offset(0x67),
, 3,
CAEN, 1, // COM1
, 3,
CBEN, 1, // COM2
}
Name(FDEN, 1)
}
}
#include "acpi-dsdt-isa.dsl"
/****************************************************************
* PCI hotplug
****************************************************************/
Scope(\_SB.PCI0) {
OperationRegion(PCST, SystemIO, 0xae00, 0x08)
Field(PCST, DWordAcc, NoLock, WriteAsZeros) {
PCIU, 32,
PCID, 32,
}
OperationRegion(SEJ, SystemIO, 0xae08, 0x04)
Field(SEJ, DWordAcc, NoLock, WriteAsZeros) {
B0EJ, 32,
}
OperationRegion(BNMR, SystemIO, 0xae10, 0x04)
Field(BNMR, DWordAcc, NoLock, WriteAsZeros) {
BNUM, 32,
}
/* Lock to protect access to fields above. */
Mutex(BLCK, 0)
/* Methods called by bulk generated PCI devices below */
/* Methods called by hotplug devices */
Method(PCEJ, 2, NotSerialized) {
// _EJ0 method - eject callback
Acquire(BLCK, 0xFFFF)
Store(Arg0, BNUM)
Store(ShiftLeft(1, Arg1), B0EJ)
Release(BLCK)
Return (0x0)
}
/* Hotplug notification method supplied by SSDT */
External(\_SB.PCI0.PCNT, MethodObj)
}
/****************************************************************
* PCI IRQs
****************************************************************/
Scope(\_SB) {
Scope(PCI0) {
Method (_PRT, 0) {
Store(Package(128) {}, Local0)
Store(Zero, Local1)
While(LLess(Local1, 128)) {
// slot = pin >> 2
Store(ShiftRight(Local1, 2), Local2)
// lnk = (slot + pin) & 3
Store(And(Add(Local1, Local2), 3), Local3)
If (LEqual(Local3, 0)) {
Store(Package(4) { Zero, Zero, LNKD, Zero }, Local4)
}
If (LEqual(Local3, 1)) {
// device 1 is the power-management device, needs SCI
If (LEqual(Local1, 4)) {
Store(Package(4) { Zero, Zero, LNKS, Zero }, Local4)
} Else {
Store(Package(4) { Zero, Zero, LNKA, Zero }, Local4)
}
}
If (LEqual(Local3, 2)) {
Store(Package(4) { Zero, Zero, LNKB, Zero }, Local4)
}
If (LEqual(Local3, 3)) {
Store(Package(4) { Zero, Zero, LNKC, Zero }, Local4)
}
// Complete the interrupt routing entry:
// Package(4) { 0x[slot]FFFF, [pin], [link], 0) }
Store(Or(ShiftLeft(Local2, 16), 0xFFFF), Index(Local4, 0))
Store(And(Local1, 3), Index(Local4, 1))
Store(Local4, Index(Local0, Local1))
Increment(Local1)
}
Return(Local0)
}
}
Field(PCI0.ISA.P40C, ByteAcc, NoLock, Preserve) {
PRQ0, 8,
PRQ1, 8,
PRQ2, 8,
PRQ3, 8
}
Method(IQST, 1, NotSerialized) {
// _STA method - get status
If (And(0x80, Arg0)) {
Return (0x09)
}
Return (0x0B)
}
Method(IQCR, 1, Serialized) {
// _CRS method - get current settings
Name(PRR0, ResourceTemplate() {
Interrupt(, Level, ActiveHigh, Shared) { 0 }
})
CreateDWordField(PRR0, 0x05, PRRI)
If (LLess(Arg0, 0x80)) {
Store(Arg0, PRRI)
}
Return (PRR0)
}
#define define_link(link, uid, reg) \
Device(link) { \
Name(_HID, EISAID("PNP0C0F")) \
Name(_UID, uid) \
Name(_PRS, ResourceTemplate() { \
Interrupt(, Level, ActiveHigh, Shared) { \
5, 10, 11 \
} \
}) \
Method(_STA, 0, NotSerialized) { \
Return (IQST(reg)) \
} \
Method(_DIS, 0, NotSerialized) { \
Or(reg, 0x80, reg) \
} \
Method(_CRS, 0, NotSerialized) { \
Return (IQCR(reg)) \
} \
Method(_SRS, 1, NotSerialized) { \
CreateDWordField(Arg0, 0x05, PRRI) \
Store(PRRI, reg) \
} \
}
define_link(LNKA, 0, PRQ0)
define_link(LNKB, 1, PRQ1)
define_link(LNKC, 2, PRQ2)
define_link(LNKD, 3, PRQ3)
Device(LNKS) {
Name(_HID, EISAID("PNP0C0F"))
Name(_UID, 4)
Name(_PRS, ResourceTemplate() {
Interrupt(, Level, ActiveHigh, Shared) { 9 }
})
// The SCI cannot be disabled and is always attached to GSI 9,
// so these are no-ops. We only need this link to override the
// polarity to active high and match the content of the MADT.
Method(_STA, 0, NotSerialized) { Return (0x0b) }
Method(_DIS, 0, NotSerialized) { }
Method(_CRS, 0, NotSerialized) { Return (_PRS) }
Method(_SRS, 1, NotSerialized) { }
}
}
#include "hw/acpi/pc-hotplug.h"
#define CPU_STATUS_BASE PIIX4_CPU_HOTPLUG_IO_BASE
#include "acpi-dsdt-cpu-hotplug.dsl"
#include "acpi-dsdt-mem-hotplug.dsl"
/****************************************************************
* General purpose events
****************************************************************/
Scope(\_GPE) {
Name(_HID, "ACPI0006")
Method(_L00) {
}
Method(_E01) {
// PCI hotplug event
Acquire(\_SB.PCI0.BLCK, 0xFFFF)
\_SB.PCI0.PCNT()
Release(\_SB.PCI0.BLCK)
}
Method(_E02) {
// CPU hotplug event
\_SB.PRSC()
}
Method(_E03) {
// Memory hotplug event
\_SB.PCI0.MEMORY_HOTPLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD()
}
Method(_L04) {
}
Method(_L05) {
}
Method(_L06) {
}
Method(_L07) {
}
Method(_L08) {
}
Method(_L09) {
}
Method(_L0A) {
}
Method(_L0B) {
}
Method(_L0C) {
}
Method(_L0D) {
}
Method(_L0E) {
}
Method(_L0F) {
}
}
}
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