📄 irq-pci.mod
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//**********************************************************************;
// *****************************************************************;
// *****************************************************************;
// ** **;
// ** (C)Copyright 1985-1996, American Megatrends, Inc. **;
// ** **;
// ** All Rights Reserved. **;
// ** **;
// ** 6145-F Northbelt Pkwy, Norcross, GA 30071 **;
// ** **;
// ** Phone (770)-246-8600 **;
// ** **;
// *****************************************************************;
// *****************************************************************;
//**********************************************************************;
// DON'T CHANGE ANY CODE UNLESS REQUIRED !!!
//**********************************************************************;
//**********************************************************************;
// PIIX4 PCI IRQ Links devices
//**********************************************************************;
OperationRegion(SBRG.PIX0, PCI_Config, 0x60, 0x4)
Scope(\_SB){
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
OperationRegion (ELCR, SystemIO, 0x4D0, 0x02)
Field (ELCR, ByteAcc, Nolock, Preserve) {
ELC1, 16,
}
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
Field(\_SB.NRTH.SBRG.PIX0,ByteAcc,NoLock,Preserve){
PIRA,8, // IRQA route register
PIRB,8, // IRQB route register
PIRC,8, // IRQC route register
PIRD,8, // IRQD route register
}
Name(IPRS,
ResourceTemplate()
{
StartDependentFn(1,1)
{
IRQ(Level, ActiveLow, Shared ) {3,4,5,6,7,9,10,11,12,14,15}
// IRQ(Level, ActiveLow, Shared ) {3,4,5,6,7,10,11,12,14,15}
}
EndDependentFn()
})
Name(BUFA,
ResourceTemplate()
{
IRQ(Level, ActiveLow, Shared ) {15}
})
Device(LNKA){
Name(_HID, EISAID("PNP0C0F"))
Name(_UID, 1)
Method(_STA)
{
And(PIRA, 0x80, Local0)
If(Local0) {Return (0x9)} // LNKA desabled/present/not visible in UI
Else {Return (0xb)} // LNKA enabled
}
Method(_PRS,0){
Return(IPRS)
}
Method(_DIS){
// Disable PIRQ routing
Or(PIRA, 0x80 ,PIRA)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
And(PIRA, 0x0f, Local0)
ShiftLeft(1, Local0, Local1)
Not(Local1, Local1)
And(ELC1, Local1, ELC1)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
}
Method(_CRS){
CreateWordField(BUFA, 0x1, IRA0) // IRQ Mask
And(PIRA, 0x0f, Local0)
Store(One, Local1)
ShiftLeft(Local1, Local0, IRA0)
Return(BUFA)
} // End Method _CRS
Method(_SRS, 1){
// ARG0 = PnP Resource String
CreateWordField(ARG0, 0x01, IRA) // IRQ Low Mask
FindSetRightBit(IRA, Local0)
Decrement(Local0)
Store(Local0, PIRA)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
ShiftLeft(1, Local0, Local1)
Or(ELC1, Local1, ELC1)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
} // End Method _SRS
} // end Device LNKA
Device(LNKB){
Name(_HID, EISAID("PNP0C0F"))
Name(_UID, 2)
Method(_STA)
{
And(PIRB, 0x80, Local0)
If(Local0) {Return (0x9)} // desabled/present/not visible in UI
Else {Return (0xb)} // enabled
}
Method(_PRS,0){
Return(IPRS)
}
Method(_DIS){
// Disable PIRQ routing
Or(PIRB, 0x80 ,PIRB)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
And(PIRB, 0x0f, Local0)
ShiftLeft(1, Local0, Local1)
Not(Local1, Local1)
And(ELC1, Local1, ELC1)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
}
Method(_CRS){
CreateWordField(BUFA, 0x1, IRA0) // IRQ Mask
And(PIRB, 0xf, Local0)
Store(One, Local1)
ShiftLeft(Local1, Local0, IRA0)
Return(BUFA)
} // End Method _CRS
Method(_SRS, 1){
// ARG0 = PnP Resource String
CreateWordField(ARG0, 0x01, IRA) // IRQ Low Mask
FindSetRightBit(IRA, Local0)
Decrement(Local0)
Store(Local0, PIRB)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
ShiftLeft(1, Local0, Local1)
Or(ELC1, Local1, ELC1)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
} // End Method _SRS
} // end Device LNKB
Device(LNKC){
Name(_HID, EISAID("PNP0C0F"))
Name(_UID, 3)
Method(_STA)
{
And(PIRC, 0x80, Local0)
If(Local0) {Return (0x9)} // desabled/present/not visible in UI
Else {Return (0xb)} // enabled
}
Method(_PRS,0){
Return(IPRS)
}
Method(_DIS){
// Disable PIRQ routing
Or(PIRC, 0x80 ,PIRC)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
And(PIRC, 0x0f, Local0)
ShiftLeft(1, Local0, Local1)
Not(Local1, Local1)
And(ELC1, Local1, ELC1)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
}
Method(_CRS){
CreateWordField(BUFA, 0x1, IRA0) // IRQ Mask
And(PIRC, 0xf, Local0)
Store(One, Local1)
ShiftLeft(Local1, Local0, IRA0)
Return(BUFA)
} // End Method _CRS
Method(_SRS, 1){
// ARG0 = PnP Resource String
CreateWordField(ARG0, 0x01, IRA) // IRQ Low Mask
FindSetRightBit(IRA, Local0)
Decrement(Local0)
Store(Local0, PIRC)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
ShiftLeft(1, Local0, Local1)
Or(ELC1, Local1, ELC1)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
} // End Method _SRS
} // end Device LNKC
Device(LNKD){
Name(_HID, EISAID("PNP0C0F"))
Name(_UID, 4)
Method(_STA)
{
And(PIRD, 0x80, Local0)
If(Local0) {Return (0x9)} // desabled/present/not visible in UI
Else {Return (0xb)} // enabled
}
Method(_PRS,0){
Return(IPRS)
}
Method(_DIS){
// Disable PIRQ routing
Or(PIRD, 0x80 ,PIRD)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
And(PIRD, 0x0f, Local0)
ShiftLeft(1, Local0, Local1)
Not(Local1, Local1)
And(ELC1, Local1, ELC1)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
}
Method(_CRS){
CreateWordField(BUFA, 0x1, IRA0) // IRQ Mask
And(PIRD, 0xf, Local0)
Store(One, Local1)
ShiftLeft(Local1, Local0, IRA0)
Return(BUFA)
} // End Method _CRS
Method(_SRS, 1){
// ARG0 = PnP Resource String
CreateWordField(ARG0, 0x01, IRA) // IRQ Low Mask
FindSetRightBit(IRA, Local0)
Decrement(Local0)
Store(Local0, PIRD)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
ShiftLeft(1, Local0, Local1)
Or(ELC1, Local1, ELC1)
// 2/2/98 workaround for OS bug which could disable
// PCI interrupt routing before unloading the drivers
} // End Method _SRS
} // end Device LNKD
// end of _SB
}
//**********************************************************************;
// *****************************************************************;
// *****************************************************************;
// ** **;
// ** (C)Copyright 1985-1996, American Megatrends, Inc. **;
// ** **;
// ** All Rights Reserved. **;
// ** **;
// ** 6145-F Northbelt Pkwy, Norcross, GA 30071 **;
// ** **;
// ** Phone (770)-246-8600 **;
// ** **;
// *****************************************************************;
// *****************************************************************;
//**********************************************************************;
// DON'T CHANGE ANY CODE UNLESS REQUIRED !!!
//**********************************************************************;
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