| /* Bochs/QEMU ACPI DSDT ASL definition */ |
| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpi.h> |
| DefinitionBlock ( |
| "dsdt.aml", |
| "DSDT", |
| ACPI_DSDT_REV_1, |
| OEM_ID, |
| ACPI_TABLE_CREATOR, |
| 0x1 // OEM Revision |
| ) |
| { |
| #include <acpi/dsdt_top.asl> |
| |
| #include "acpi/dbug.asl" |
| |
| |
| /**************************************************************** |
| * PCI Bus definition |
| ****************************************************************/ |
| |
| Scope(\_SB) { |
| Device(PCI0) { |
| Name(_HID, EisaId("PNP0A03")) |
| Name(_UID, 1) |
| } |
| } |
| |
| #include "acpi/pci-crs.asl" |
| #include "acpi/hpet.asl" |
| |
| |
| /**************************************************************** |
| * VGA |
| ****************************************************************/ |
| |
| Scope(\_SB.PCI0) { |
| Device(VGA) { |
| Name(_ADR, 0x00020000) |
| OperationRegion(PCIC, PCI_Config, 0, 0x4) |
| Field(PCIC, DWordAcc, NoLock, Preserve) { |
| VEND, 32 |
| } |
| Method(_S1D, 0, NotSerialized) { |
| Return (0x00) |
| } |
| Method(_S2D, 0, NotSerialized) { |
| Return (0x00) |
| } |
| Method(_S3D, 0, NotSerialized) { |
| If (VEND == 0x1001b36) { |
| Return (0x03) // QXL |
| } Else { |
| Return (0x00) |
| } |
| } |
| } |
| } |
| |
| |
| /**************************************************************** |
| * PIIX4 PM |
| ****************************************************************/ |
| |
| Scope(\_SB.PCI0) { |
| Device(PX13) { |
| Name(_ADR, 0x00010003) |
| OperationRegion(P13C, PCI_Config, 0x00, 0xff) |
| } |
| } |
| |
| |
| /**************************************************************** |
| * PIIX3 ISA bridge |
| ****************************************************************/ |
| |
| Scope(\_SB.PCI0) { |
| 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/isa.asl" |
| |
| |
| /**************************************************************** |
| * 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, |
| } |
| |
| /* Methods called by bulk generated PCI devices below */ |
| |
| /* Methods called by hotplug devices */ |
| Method(PCEJ, 1, NotSerialized) { |
| // _EJ0 method - eject callback |
| B0EJ = 1 << Arg0 |
| Return (0x0) |
| } |
| |
| /* Hotplug notification method supplied by SSDT */ |
| External(\_SB.PCI0.PCNT, MethodObj) |
| |
| /* PCI hotplug notify method */ |
| Method(PCNF, 0) { |
| // Local0 = iterator |
| Local0 = 0 |
| While (Local0 < 31) { |
| Local0++ |
| If (PCIU & (1 << Local0)) { |
| PCNT(Local0, 1) |
| } |
| If (PCID & (1 << Local0)) { |
| PCNT(Local0, 3) |
| } |
| } |
| } |
| } |
| |
| |
| /**************************************************************** |
| * PCI IRQs |
| ****************************************************************/ |
| |
| Scope(\_SB) { |
| Scope(PCI0) { |
| Name(_PRT, Package() { |
| /* 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 */ |
| |
| #define prt_slot(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_slot0(nr) prt_slot(nr, LNKD, LNKA, LNKB, LNKC) |
| #define prt_slot1(nr) prt_slot(nr, LNKA, LNKB, LNKC, LNKD) |
| #define prt_slot2(nr) prt_slot(nr, LNKB, LNKC, LNKD, LNKA) |
| #define prt_slot3(nr) prt_slot(nr, LNKC, LNKD, LNKA, LNKB) |
| |
| prt_slot0(0x0000), |
| /* Device 1 is power mgmt device, and can only use irq 9 */ |
| prt_slot(0x0001, LNKS, LNKB, LNKC, LNKD), |
| prt_slot2(0x0002), |
| prt_slot3(0x0003), |
| prt_slot0(0x0004), |
| prt_slot1(0x0005), |
| prt_slot2(0x0006), |
| prt_slot3(0x0007), |
| prt_slot0(0x0008), |
| prt_slot1(0x0009), |
| prt_slot2(0x000a), |
| prt_slot3(0x000b), |
| prt_slot0(0x000c), |
| prt_slot1(0x000d), |
| prt_slot2(0x000e), |
| prt_slot3(0x000f), |
| prt_slot0(0x0010), |
| prt_slot1(0x0011), |
| prt_slot2(0x0012), |
| prt_slot3(0x0013), |
| prt_slot0(0x0014), |
| prt_slot1(0x0015), |
| prt_slot2(0x0016), |
| prt_slot3(0x0017), |
| prt_slot0(0x0018), |
| prt_slot1(0x0019), |
| prt_slot2(0x001a), |
| prt_slot3(0x001b), |
| prt_slot0(0x001c), |
| prt_slot1(0x001d), |
| prt_slot2(0x001e), |
| prt_slot3(0x001f), |
| }) |
| } |
| |
| Field(PCI0.ISA.P40C, ByteAcc, NoLock, Preserve) { |
| PRQ0, 8, |
| PRQ1, 8, |
| PRQ2, 8, |
| PRQ3, 8 |
| } |
| |
| Method(IQST, 1, NotSerialized) { |
| // _STA method - get status |
| If (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 (Arg0 < 0x80) { |
| PRRI = Arg0 |
| } |
| 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) { \ |
| reg |= 0x80 \ |
| } \ |
| Method(_CRS, 0, NotSerialized) { \ |
| Return (IQCR(reg)) \ |
| } \ |
| Method(_SRS, 1, NotSerialized) { \ |
| CreateDWordField(Arg0, 0x05, PRRI) \ |
| reg = PRRI \ |
| } \ |
| } |
| |
| 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) { } |
| } |
| } |
| |
| /**************************************************************** |
| * General purpose events |
| ****************************************************************/ |
| |
| Scope(\_GPE) { |
| Name(_HID, "ACPI0006") |
| |
| Method(_L00) { |
| } |
| Method(_E01) { |
| } |
| Method(_E02) { |
| } |
| 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) { |
| } |
| } |
| } |