For ACPI, on QEMU x86 emulated platform things like control and/or check thermal zones (temperature sensors, fan speeds, etc), battery levels & power levels do not exist but we can emulate PCI IRQ routing, CPUs, NUMA domains.
Signed-off-by: Saket Sinha saket.sinha89@gmail.com
---
arch/x86/cpu/qemu/Makefile | 2 +- arch/x86/cpu/qemu/acpi/cpu-hotplug.asl | 78 ++++++ arch/x86/cpu/qemu/acpi/dbug.asl | 26 ++ arch/x86/cpu/qemu/acpi/hpet.asl | 36 +++ arch/x86/cpu/qemu/acpi/isa.asl | 102 ++++++++ arch/x86/cpu/qemu/acpi/pci-crs.asl | 94 +++++++ arch/x86/cpu/qemu/dsdt.asl | 440 +++++++++++++++++++++++++++++++++ 7 files changed, 777 insertions(+), 1 deletion(-) create mode 100644 arch/x86/cpu/qemu/acpi/cpu-hotplug.asl create mode 100644 arch/x86/cpu/qemu/acpi/dbug.asl create mode 100644 arch/x86/cpu/qemu/acpi/hpet.asl create mode 100644 arch/x86/cpu/qemu/acpi/isa.asl create mode 100644 arch/x86/cpu/qemu/acpi/pci-crs.asl create mode 100644 arch/x86/cpu/qemu/dsdt.asl
diff --git a/arch/x86/cpu/qemu/Makefile b/arch/x86/cpu/qemu/Makefile index 8c3884c..8a5a59c 100644 --- a/arch/x86/cpu/qemu/Makefile +++ b/arch/x86/cpu/qemu/Makefile @@ -7,6 +7,6 @@ ifndef CONFIG_EFI_STUB obj-y += car.o dram.o endif -obj-y += qemu.o +obj-y += qemu.o dsdt.o obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi.o obj-$(CONFIG_PCI) += pci.o diff --git a/arch/x86/cpu/qemu/acpi/cpu-hotplug.asl b/arch/x86/cpu/qemu/acpi/cpu-hotplug.asl new file mode 100644 index 0000000..0f3e83b --- /dev/null +++ b/arch/x86/cpu/qemu/acpi/cpu-hotplug.asl @@ -0,0 +1,78 @@ +/**************************************************************** + * CPU hotplug + ****************************************************************/ + +Scope(_SB) { + /* Objects filled in by run-time generated SSDT */ + External(NTFY, MethodObj) + External(CPON, PkgObj) + + /* Methods called by run-time generated SSDT Processor objects */ + Method(CPMA, 1, NotSerialized) { + // _MAT method - create an madt apic buffer + // Arg0 = Processor ID = Local APIC ID + // Local0 = CPON flag for this cpu + Store(DerefOf(Index(CPON, Arg0)), Local0) + // Local1 = Buffer (in madt apic form) to return + Store(Buffer(8) {0x00, 0x08, 0x00, 0x00, 0x00, 0, 0, 0}, Local1) + // Update the processor id, lapic id, and enable/disable status + Store(Arg0, Index(Local1, 2)) + Store(Arg0, Index(Local1, 3)) + Store(Local0, Index(Local1, 4)) + Return (Local1) + } + Method(CPST, 1, NotSerialized) { + // _STA method - return ON status of cpu + // Arg0 = Processor ID = Local APIC ID + // Local0 = CPON flag for this cpu + Store(DerefOf(Index(CPON, Arg0)), Local0) + If (Local0) { + Return (0xF) + } Else { + Return (0x0) + } + } + Method(CPEJ, 2, NotSerialized) { + // _EJ0 method - eject callback + Sleep(200) + } + + /* CPU hotplug notify method */ + OperationRegion(PRST, SystemIO, 0xaf00, 32) + Field(PRST, ByteAcc, NoLock, Preserve) { + PRS, 256 + } + Method(PRSC, 0) { + // Local5 = active cpu bitmap + Store(PRS, Local5) + // Local2 = last read byte from bitmap + Store(Zero, Local2) + // Local0 = Processor ID / APIC ID iterator + Store(Zero, Local0) + While (LLess(Local0, SizeOf(CPON))) { + // Local1 = CPON flag for this cpu + Store(DerefOf(Index(CPON, Local0)), Local1) + If (And(Local0, 0x07)) { + // Shift down previously read bitmap byte + ShiftRight(Local2, 1, Local2) + } Else { + // Read next byte from cpu bitmap + Store(DerefOf(Index(Local5, ShiftRight(Local0, 3))), Local2) + } + // Local3 = active state for this cpu + Store(And(Local2, 1), Local3) + + If (LNotEqual(Local1, Local3)) { + // State change - update CPON with new state + Store(Local3, Index(CPON, Local0)) + // Do CPU notify + If (LEqual(Local3, 1)) { + NTFY(Local0, 1) + } Else { + NTFY(Local0, 3) + } + } + Increment(Local0) + } + } +} diff --git a/arch/x86/cpu/qemu/acpi/dbug.asl b/arch/x86/cpu/qemu/acpi/dbug.asl new file mode 100644 index 0000000..276321f --- /dev/null +++ b/arch/x86/cpu/qemu/acpi/dbug.asl @@ -0,0 +1,26 @@ +/**************************************************************** + * Debugging + ****************************************************************/ + +Scope() { + /* Debug Output */ + OperationRegion(DBG, SystemIO, 0x0402, 0x01) + Field(DBG, ByteAcc, NoLock, Preserve) { + DBGB, 8, + } + + /* Debug method - use this method to send output to the QEMU + * BIOS debug port. This method handles strings, integers, + * and buffers. For example: DBUG("abc") DBUG(0x123) */ + Method(DBUG, 1) { + ToHexString(Arg0, Local0) + ToBuffer(Local0, Local0) + Subtract(SizeOf(Local0), 1, Local1) + Store(Zero, Local2) + While (LLess(Local2, Local1)) { + Store(DerefOf(Index(Local0, Local2)), DBGB) + Increment(Local2) + } + Store(0x0A, DBGB) + } +} diff --git a/arch/x86/cpu/qemu/acpi/hpet.asl b/arch/x86/cpu/qemu/acpi/hpet.asl new file mode 100644 index 0000000..f33e527 --- /dev/null +++ b/arch/x86/cpu/qemu/acpi/hpet.asl @@ -0,0 +1,36 @@ +/**************************************************************** + * HPET + ****************************************************************/ + +Scope(_SB) { + Device(HPET) { + Name(_HID, EISAID("PNP0103")) + Name(_UID, 0) + OperationRegion(HPTM, SystemMemory, 0xFED00000, 0x400) + Field(HPTM, DWordAcc, Lock, Preserve) { + VEND, 32, + PRD, 32, + } + Method(_STA, 0, NotSerialized) { + Store(VEND, Local0) + Store(PRD, Local1) + ShiftRight(Local0, 16, Local0) + If (LOr(LEqual(Local0, 0), LEqual(Local0, 0xffff))) { + Return (0x0) + } + If (LOr(LEqual(Local1, 0), LGreater(Local1, 100000000))) { + Return (0x0) + } + Return (0x0F) + } + Name(_CRS, ResourceTemplate() { +#if 0 /* This makes WinXP BSOD for not yet figured reasons. */ + IRQNoFlags() {2, 8} +#endif + Memory32Fixed(ReadOnly, + 0xFED00000, // Address Base + 0x00000400, // Address Length + ) + }) + } +} diff --git a/arch/x86/cpu/qemu/acpi/isa.asl b/arch/x86/cpu/qemu/acpi/isa.asl new file mode 100644 index 0000000..23761db --- /dev/null +++ b/arch/x86/cpu/qemu/acpi/isa.asl @@ -0,0 +1,102 @@ +/* Common legacy ISA style devices. */ +Scope(_SB.PCI0.ISA) { + + Device(RTC) { + Name(_HID, EisaId("PNP0B00")) + Name(_CRS, ResourceTemplate() { + IO(Decode16, 0x0070, 0x0070, 0x10, 0x02) + IRQNoFlags() { 8 } + IO(Decode16, 0x0072, 0x0072, 0x02, 0x06) + }) + } + + Device(KBD) { + Name(_HID, EisaId("PNP0303")) + Method(_STA, 0, NotSerialized) { + Return (0x0f) + } + Name(_CRS, ResourceTemplate() { + IO(Decode16, 0x0060, 0x0060, 0x01, 0x01) + IO(Decode16, 0x0064, 0x0064, 0x01, 0x01) + IRQNoFlags() { 1 } + }) + } + + Device(MOU) { + Name(_HID, EisaId("PNP0F13")) + Method(_STA, 0, NotSerialized) { + Return (0x0f) + } + Name(_CRS, ResourceTemplate() { + IRQNoFlags() { 12 } + }) + } + + Device(FDC0) { + Name(_HID, EisaId("PNP0700")) + Method(_STA, 0, NotSerialized) { + Store(FDEN, Local0) + If (LEqual(Local0, 0)) { + Return (0x00) + } Else { + Return (0x0F) + } + } + Name(_CRS, ResourceTemplate() { + IO(Decode16, 0x03F2, 0x03F2, 0x00, 0x04) + IO(Decode16, 0x03F7, 0x03F7, 0x00, 0x01) + IRQNoFlags() { 6 } + DMA(Compatibility, NotBusMaster, Transfer8) { 2 } + }) + } + + Device(LPT) { + Name(_HID, EisaId("PNP0400")) + Method(_STA, 0, NotSerialized) { + Store(LPEN, Local0) + If (LEqual(Local0, 0)) { + Return (0x00) + } Else { + Return (0x0F) + } + } + Name(_CRS, ResourceTemplate() { + IO(Decode16, 0x0378, 0x0378, 0x08, 0x08) + IRQNoFlags() { 7 } + }) + } + + Device(COM1) { + Name(_HID, EisaId("PNP0501")) + Name(_UID, 0x01) + Method(_STA, 0, NotSerialized) { + Store(CAEN, Local0) + If (LEqual(Local0, 0)) { + Return (0x00) + } Else { + Return (0x0F) + } + } + Name(_CRS, ResourceTemplate() { + IO(Decode16, 0x03F8, 0x03F8, 0x00, 0x08) + IRQNoFlags() { 4 } + }) + } + + Device(COM2) { + Name(_HID, EisaId("PNP0501")) + Name(_UID, 0x02) + Method(_STA, 0, NotSerialized) { + Store(CBEN, Local0) + If (LEqual(Local0, 0)) { + Return (0x00) + } Else { + Return (0x0F) + } + } + Name(_CRS, ResourceTemplate() { + IO(Decode16, 0x02F8, 0x02F8, 0x00, 0x08) + IRQNoFlags() { 3 } + }) + } +} diff --git a/arch/x86/cpu/qemu/acpi/pci-crs.asl b/arch/x86/cpu/qemu/acpi/pci-crs.asl new file mode 100644 index 0000000..63d1fd5 --- /dev/null +++ b/arch/x86/cpu/qemu/acpi/pci-crs.asl @@ -0,0 +1,94 @@ +/* PCI CRS (current resources) definition. */ +Scope(_SB.PCI0) { + + Name(CRES, ResourceTemplate() { + WordBusNumber(ResourceProducer, MinFixed, MaxFixed, PosDecode, + 0x0000, // Address Space Granularity + 0x0000, // Address Range Minimum + 0x00FF, // Address Range Maximum + 0x0000, // Address Translation Offset + 0x0100, // Address Length + ,, ) + IO(Decode16, + 0x0CF8, // Address Range Minimum + 0x0CF8, // Address Range Maximum + 0x01, // Address Alignment + 0x08, // Address Length + ) + WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, + 0x0000, // Address Space Granularity + 0x0000, // Address Range Minimum + 0x0CF7, // Address Range Maximum + 0x0000, // Address Translation Offset + 0x0CF8, // Address Length + ,, , TypeStatic) + WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, + 0x0000, // Address Space Granularity + 0x0D00, // Address Range Minimum + 0xFFFF, // Address Range Maximum + 0x0000, // Address Translation Offset + 0xF300, // Address Length + ,, , TypeStatic) + DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, + 0x00000000, // Address Space Granularity + 0x000A0000, // Address Range Minimum + 0x000BFFFF, // Address Range Maximum + 0x00000000, // Address Translation Offset + 0x00020000, // Address Length + ,, , AddressRangeMemory, TypeStatic) + DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite, + 0x00000000, // Address Space Granularity + 0xE0000000, // Address Range Minimum + 0xFEBFFFFF, // Address Range Maximum + 0x00000000, // Address Translation Offset + 0x1EC00000, // Address Length + ,, PW32, AddressRangeMemory, TypeStatic) + }) + + Name(CR64, ResourceTemplate() { + QWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, + 0x00000000, // Address Space Granularity + 0x8000000000, // Address Range Minimum + 0xFFFFFFFFFF, // Address Range Maximum + 0x00000000, // Address Translation Offset + 0x8000000000, // Address Length + ,, PW64, AddressRangeMemory, TypeStatic) + }) + + Method(_CRS, 0) { +#if 0 + /* Fields provided by dynamically created ssdt */ + External(P0S, IntObj) + External(P0E, IntObj) + External(P1V, IntObj) + External(P1S, BuffObj) + External(P1E, BuffObj) + External(P1L, BuffObj) + + /* fixup 32bit pci io window */ + CreateDWordField(CRES, _SB.PCI0.PW32._MIN, PS32) + CreateDWordField(CRES, _SB.PCI0.PW32._MAX, PE32) + CreateDWordField(CRES, _SB.PCI0.PW32._LEN, PL32) + Store(P0S, PS32) + Store(P0E, PE32) + Store(Add(Subtract(P0E, P0S), 1), PL32) + + If (LEqual(P1V, Zero)) { + Return (CRES) + } + + /* fixup 64bit pci io window */ + CreateQWordField(CR64, _SB.PCI0.PW64._MIN, PS64) + CreateQWordField(CR64, _SB.PCI0.PW64._MAX, PE64) + CreateQWordField(CR64, _SB.PCI0.PW64._LEN, PL64) + Store(P1S, PS64) + Store(P1E, PE64) + Store(P1L, PL64) + /* add window and return result */ + ConcatenateResTemplate(CRES, CR64, Local0) + Return (Local0) +#else + Return (CRES) +#endif + } +} diff --git a/arch/x86/cpu/qemu/dsdt.asl b/arch/x86/cpu/qemu/dsdt.asl new file mode 100644 index 0000000..1e163e2 --- /dev/null +++ b/arch/x86/cpu/qemu/dsdt.asl @@ -0,0 +1,440 @@ +/* + * Bochs/QEMU ACPI DSDT ASL definition + * + * Copyright (c) 2006 Fabrice Bellard + * + * Copyright (c) 2010 Isaku Yamahata + * yamahata at valinux co jp + * Based on acpi-dsdt.dsl, but heavily modified for q35 chipset. + */ + +DefinitionBlock ( + "dsdt.aml", // Output Filename + "DSDT", // Signature + 0x01, // DSDT Compliance Revision + "UBOO", // OEMID + "UBOOT ", // TABLE ID + 0x2 // OEM Revision + ) +{ + +#include "acpi/dbug.asl" + + Scope(_SB) { + OperationRegion(PCST, SystemIO, 0xae00, 0x0c) + OperationRegion(PCSB, SystemIO, 0xae0c, 0x01) + Field(PCSB, AnyAcc, NoLock, WriteAsZeros) { + PCIB, 8, + } + } + + +/**************************************************************** + * PCI Bus definition + ****************************************************************/ + + Scope(_SB) { + Device(PCI0) { + Name(_HID, EisaId("PNP0A08")) + Name(_CID, EisaId("PNP0A03")) + Name(_ADR, 0x00) + Name(_UID, 1) + + // _OSC: based on sample of ACPI3.0b spec + Name(SUPP, 0) // PCI _OSC Support Field value + Name(CTRL, 0) // PCI _OSC Control Field value + Method(_OSC, 4) { + // Create DWORD-addressable fields from the Capabilities Buffer + CreateDWordField(Arg3, 0, CDW1) + + // Check for proper UUID + If (LEqual(Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) { + // Create DWORD-addressable fields from the Capabilities Buffer + CreateDWordField(Arg3, 4, CDW2) + CreateDWordField(Arg3, 8, CDW3) + + // Save Capabilities DWORD2 & 3 + Store(CDW2, SUPP) + Store(CDW3, CTRL) + + // Always allow native PME, AER (no dependencies) + // Never allow SHPC (no SHPC controller in this system) + And(CTRL, 0x1D, CTRL) + +#if 0 // For now, nothing to do + If (Not(And(CDW1, 1))) { // Query flag clear? + // Disable GPEs for features granted native control. + If (And(CTRL, 0x01)) { // Hot plug control granted? + Store(0, HPCE) // clear the hot plug SCI enable bit + Store(1, HPCS) // clear the hot plug SCI status bit + } + If (And(CTRL, 0x04)) { // PME control granted? + Store(0, PMCE) // clear the PME SCI enable bit + Store(1, PMCS) // clear the PME SCI status bit + } + If (And(CTRL, 0x10)) { // OS restoring PCI Express cap structure? + // Set status to not restore PCI Express cap structure + // upon resume from S3 + Store(1, S3CR) + } + } +#endif + If (LNotEqual(Arg1, One)) { + // Unknown revision + Or(CDW1, 0x08, CDW1) + } + If (LNotEqual(CDW3, CTRL)) { + // Capabilities bits were masked + Or(CDW1, 0x10, CDW1) + } + // Update DWORD3 in the buffer + Store(CTRL, CDW3) + } Else { + Or(CDW1, 4, CDW1) // Unrecognized UUID + } + Return (Arg3) + } + } + } + +#include "acpi/pci-crs.asl" +#include "acpi/hpet.asl" + + +/**************************************************************** + * VGA + ****************************************************************/ + + Scope(_SB.PCI0) { + Device(VGA) { + Name(_ADR, 0x00010000) + Method(_S1D, 0, NotSerialized) { + Return (0x00) + } + Method(_S2D, 0, NotSerialized) { + Return (0x00) + } + Method(_S3D, 0, NotSerialized) { + Return (0x00) + } + } + } + + +/**************************************************************** + * LPC ISA bridge + ****************************************************************/ + + Scope(_SB.PCI0) { + /* PCI D31:f0 LPC ISA bridge */ + Device(ISA) { + /* PCI D31:f0 */ + Name(_ADR, 0x001f0000) + + /* ICH9 PCI to ISA irq remapping */ + OperationRegion(PIRQ, PCI_Config, 0x60, 0x0C) + + OperationRegion(LPCD, PCI_Config, 0x80, 0x2) + Field(LPCD, AnyAcc, NoLock, Preserve) { + COMA, 3, + , 1, + COMB, 3, + + Offset(0x01), + LPTD, 2, + , 2, + FDCD, 2 + } + OperationRegion(LPCE, PCI_Config, 0x82, 0x2) + Field(LPCE, AnyAcc, NoLock, Preserve) { + CAEN, 1, + CBEN, 1, + LPEN, 1, + FDEN, 1 + } + } + } + +#include "acpi/isa.asl" + + +/**************************************************************** + * PCI IRQs + ****************************************************************/ + + /* Zero => PIC mode, One => APIC Mode */ + Name(\PICF, Zero) + Method(_PIC, 1, NotSerialized) { + Store(Arg0, \PICF) + } + + Scope(_SB) { + Scope(PCI0) { +#define prt_slot_lnk(nr, lnk0, lnk1, lnk2, lnk3) \ + Package() { nr##ffff, 0, lnk0, 0 }, \ + Package() { nr##ffff, 1, lnk1, 0 }, \ + Package() { nr##ffff, 2, lnk2, 0 }, \ + Package() { nr##ffff, 3, lnk3, 0 } + +#define prt_slot_lnkA(nr) prt_slot_lnk(nr, LNKA, LNKB, LNKC, LNKD) +#define prt_slot_lnkB(nr) prt_slot_lnk(nr, LNKB, LNKC, LNKD, LNKA) +#define prt_slot_lnkC(nr) prt_slot_lnk(nr, LNKC, LNKD, LNKA, LNKB) +#define prt_slot_lnkD(nr) prt_slot_lnk(nr, LNKD, LNKA, LNKB, LNKC) + +#define prt_slot_lnkE(nr) prt_slot_lnk(nr, LNKE, LNKF, LNKG, LNKH) +#define prt_slot_lnkF(nr) prt_slot_lnk(nr, LNKF, LNKG, LNKH, LNKE) +#define prt_slot_lnkG(nr) prt_slot_lnk(nr, LNKG, LNKH, LNKE, LNKF) +#define prt_slot_lnkH(nr) prt_slot_lnk(nr, LNKH, LNKE, LNKF, LNKG) + + Name(PRTP, Package() { + prt_slot_lnkE(0x0000), + prt_slot_lnkF(0x0001), + prt_slot_lnkG(0x0002), + prt_slot_lnkH(0x0003), + prt_slot_lnkE(0x0004), + prt_slot_lnkF(0x0005), + prt_slot_lnkG(0x0006), + prt_slot_lnkH(0x0007), + prt_slot_lnkE(0x0008), + prt_slot_lnkF(0x0009), + prt_slot_lnkG(0x000a), + prt_slot_lnkH(0x000b), + prt_slot_lnkE(0x000c), + prt_slot_lnkF(0x000d), + prt_slot_lnkG(0x000e), + prt_slot_lnkH(0x000f), + prt_slot_lnkE(0x0010), + prt_slot_lnkF(0x0011), + prt_slot_lnkG(0x0012), + prt_slot_lnkH(0x0013), + prt_slot_lnkE(0x0014), + prt_slot_lnkF(0x0015), + prt_slot_lnkG(0x0016), + prt_slot_lnkH(0x0017), + prt_slot_lnkE(0x0018), + + /* INTA -> PIRQA for slot 25 - 31 + see the default value of D<N>IR */ + prt_slot_lnkA(0x0019), + prt_slot_lnkA(0x001a), + prt_slot_lnkA(0x001b), + prt_slot_lnkA(0x001c), + prt_slot_lnkA(0x001d), + + /* PCIe->PCI bridge. use PIRQ[E-H] */ + prt_slot_lnkE(0x001e), + + prt_slot_lnkA(0x001f) + }) + +#define prt_slot_gsi(nr, gsi0, gsi1, gsi2, gsi3) \ + Package() { nr##ffff, 0, gsi0, 0 }, \ + Package() { nr##ffff, 1, gsi1, 0 }, \ + Package() { nr##ffff, 2, gsi2, 0 }, \ + Package() { nr##ffff, 3, gsi3, 0 } + +#define prt_slot_gsiA(nr) prt_slot_gsi(nr, GSIA, GSIB, GSIC, GSID) +#define prt_slot_gsiB(nr) prt_slot_gsi(nr, GSIB, GSIC, GSID, GSIA) +#define prt_slot_gsiC(nr) prt_slot_gsi(nr, GSIC, GSID, GSIA, GSIB) +#define prt_slot_gsiD(nr) prt_slot_gsi(nr, GSID, GSIA, GSIB, GSIC) + +#define prt_slot_gsiE(nr) prt_slot_gsi(nr, GSIE, GSIF, GSIG, GSIH) +#define prt_slot_gsiF(nr) prt_slot_gsi(nr, GSIF, GSIG, GSIH, GSIE) +#define prt_slot_gsiG(nr) prt_slot_gsi(nr, GSIG, GSIH, GSIE, GSIF) +#define prt_slot_gsiH(nr) prt_slot_gsi(nr, GSIH, GSIE, GSIF, GSIG) + + Name(PRTA, Package() { + prt_slot_gsiE(0x0000), + prt_slot_gsiF(0x0001), + prt_slot_gsiG(0x0002), + prt_slot_gsiH(0x0003), + prt_slot_gsiE(0x0004), + prt_slot_gsiF(0x0005), + prt_slot_gsiG(0x0006), + prt_slot_gsiH(0x0007), + prt_slot_gsiE(0x0008), + prt_slot_gsiF(0x0009), + prt_slot_gsiG(0x000a), + prt_slot_gsiH(0x000b), + prt_slot_gsiE(0x000c), + prt_slot_gsiF(0x000d), + prt_slot_gsiG(0x000e), + prt_slot_gsiH(0x000f), + prt_slot_gsiE(0x0010), + prt_slot_gsiF(0x0011), + prt_slot_gsiG(0x0012), + prt_slot_gsiH(0x0013), + prt_slot_gsiE(0x0014), + prt_slot_gsiF(0x0015), + prt_slot_gsiG(0x0016), + prt_slot_gsiH(0x0017), + prt_slot_gsiE(0x0018), + + /* INTA -> PIRQA for slot 25 - 31, but 30 + see the default value of D<N>IR */ + prt_slot_gsiA(0x0019), + prt_slot_gsiA(0x001a), + prt_slot_gsiA(0x001b), + prt_slot_gsiA(0x001c), + prt_slot_gsiA(0x001d), + + /* PCIe->PCI bridge. use PIRQ[E-H] */ + prt_slot_gsiE(0x001e), + + prt_slot_gsiA(0x001f) + }) + + Method(_PRT, 0, NotSerialized) { + /* PCI IRQ routing table, example from ACPI 2.0a specification, + section 6.2.8.1 */ + /* Note: we provide the same info as the PCI routing + table of the Bochs BIOS */ + If (LEqual(\PICF, Zero)) { + Return (PRTP) + } Else { + Return (PRTA) + } + } + } + + Field(PCI0.ISA.PIRQ, ByteAcc, NoLock, Preserve) { + PRQA, 8, + PRQB, 8, + PRQC, 8, + PRQD, 8, + + Offset(0x08), + PRQE, 8, + PRQF, 8, + PRQG, 8, + PRQH, 8 + } + + Method(IQST, 1, NotSerialized) { + // _STA method - get status + If (And(0x80, Arg0)) { + Return (0x09) + } + Return (0x0B) + } + Method(IQCR, 1, NotSerialized) { + // _CRS method - get current settings + Name(PRR0, ResourceTemplate() { + Interrupt(, Level, ActiveHigh, Shared) { 0 } + }) + CreateDWordField(PRR0, 0x05, PRRI) + Store(And(Arg0, 0x0F), 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, PRQA) + define_link(LNKB, 1, PRQB) + define_link(LNKC, 2, PRQC) + define_link(LNKD, 3, PRQD) + define_link(LNKE, 4, PRQE) + define_link(LNKF, 5, PRQF) + define_link(LNKG, 6, PRQG) + define_link(LNKH, 7, PRQH) + +#define define_gsi_link(link, uid, gsi) \ + Device(link) { \ + Name(_HID, EISAID("PNP0C0F")) \ + Name(_UID, uid) \ + Name(_PRS, ResourceTemplate() { \ + Interrupt(, Level, ActiveHigh, Shared) { \ + gsi \ + } \ + }) \ + Name(_CRS, ResourceTemplate() { \ + Interrupt(, Level, ActiveHigh, Shared) { \ + gsi \ + } \ + }) \ + Method(_SRS, 1, NotSerialized) { \ + } \ + } + + define_gsi_link(GSIA, 0, 0x10) + define_gsi_link(GSIB, 0, 0x11) + define_gsi_link(GSIC, 0, 0x12) + define_gsi_link(GSID, 0, 0x13) + define_gsi_link(GSIE, 0, 0x14) + define_gsi_link(GSIF, 0, 0x15) + define_gsi_link(GSIG, 0, 0x16) + define_gsi_link(GSIH, 0, 0x17) + } + +#if 0 +#include "cpu-hotplug.asl" +#endif + + +/**************************************************************** + * General purpose events + ****************************************************************/ + + Scope(_GPE) { + Name(_HID, "ACPI0006") + + Method(_L00) { + } + Method(_L01) { +#if 0 + // CPU hotplug event + _SB.PRSC() +#endif + } + Method(_L02) { + } + Method(_L03) { + } + Method(_L04) { + } + Method(_L05) { + } + Method(_L06) { + } + Method(_L07) { + } + Method(_L08) { + } + Method(_L09) { + } + Method(_L0A) { + } + Method(_L0B) { + } + Method(_L0C) { + } + Method(_L0D) { + } + Method(_L0E) { + } + Method(_L0F) { + } + } +}