u-boot/arch/x86/cpu/qemu/dsdt.asl
Saket Sinha bccdf1de75 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>
2015-08-26 07:54:14 -07:00

412 lines
13 KiB
Text

/*
* 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) {
}
}
}