x86: Add DSDT table for supporting ACPI on QEMU
The DSDT table contains a bytecode that is executed by a driver in the kernel.
Signed-off-by: Saket Sinha <saket.sinha89@gmail.com>
Tested with QEMU '-M q35'
Tested-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/qemu/Makefile b/arch/x86/cpu/qemu/Makefile
index 8c3884c..1c00d1d 100644
--- a/arch/x86/cpu/qemu/Makefile
+++ b/arch/x86/cpu/qemu/Makefile
@@ -8,5 +8,5 @@
obj-y += car.o dram.o
endif
obj-y += qemu.o
-obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi.o
+obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi.o dsdt.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..a290a4c
--- /dev/null
+++ b/arch/x86/cpu/qemu/acpi/cpu-hotplug.asl
@@ -0,0 +1,80 @@
+/* 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..38a6526
--- /dev/null
+++ b/arch/x86/cpu/qemu/acpi/dbug.asl
@@ -0,0 +1,25 @@
+/* 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..983151e
--- /dev/null
+++ b/arch/x86/cpu/qemu/acpi/hpet.asl
@@ -0,0 +1,31 @@
+/* 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() {
+ 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..d6b3d9b
--- /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..a336dce
--- /dev/null
+++ b/arch/x86/cpu/qemu/acpi/pci-crs.asl
@@ -0,0 +1,61 @@
+/* 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 */
+ 0x80000000, /* Address Range Minimum */
+ 0xffffffff, /* Address Range Maximum */
+ 0x00000000, /* Address Translation Offset */
+ 0x80000000, /* Address Length */
+ ,, PW64, AddressRangeMemory, TypeStatic)
+ })
+
+ Method(_CRS, 0) {
+ Return (CRES)
+ }
+}
diff --git a/arch/x86/cpu/qemu/dsdt.asl b/arch/x86/cpu/qemu/dsdt.asl
new file mode 100644
index 0000000..2b10f90
--- /dev/null
+++ b/arch/x86/cpu/qemu/dsdt.asl
@@ -0,0 +1,412 @@
+/*
+ * 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 Capabilities Buffer */
+ CreateDWordField(Arg3, 0, CDW1)
+
+ /* Check for proper UUID */
+ If (LEqual(Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766")))
+ {
+ /* Create DWORD-addressable fields from 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 (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)
+ }
+
+/* General purpose events */
+
+ Scope(\_GPE) {
+ Name(_HID, "ACPI0006")
+
+ Method(_L00) {
+ }
+ Method(_L01) {
+ }
+ 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) {
+ }
+ }
+}