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/* SPDX-License-Identifier: GPL-2.0-only */
/* Intel 82801Ix support */
Scope(\)
{
// IO-Trap at 0x800. This is the ACPI->SMI communication interface.
OperationRegion(IO_T, SystemIO, 0x800, 0x10)
Field(IO_T, ByteAcc, NoLock, Preserve)
{
Offset(0x8),
TRP0, 8 // IO-Trap at 0x808
}
// ICH9 Power Management Registers, located at PMBASE (0x1f.0 0x40.l)
OperationRegion(PMIO, SystemIO, DEFAULT_PMBASE, 0x80)
Field(PMIO, ByteAcc, NoLock, Preserve)
{
Offset(0x11),
THRO, 1, // force thermal throttling
Offset(0x42), // General Purpose Control
, 1, // skip 1 bit
GPEC, 1, // TCO status
Offset(0x64),
, 9, // skip 9 more bits
SCIS, 1 // TCO DMI status
}
// FIXME: purposes of the GPIOs (comments) are probably wrong
// ICH9 GPIO IO mapped registers (0x1f.0 reg 0x48.l)
OperationRegion(GPIO, SystemIO, DEFAULT_GPIOBASE, 0x3c)
Field(GPIO, ByteAcc, NoLock, Preserve)
{
Offset(0x00), // GPIO Use Select
GU00, 8,
GU01, 8,
GU02, 8,
GU03, 8,
Offset(0x04), // GPIO IO Select
GIO0, 8,
GIO1, 8,
GIO2, 8,
GIO3, 8,
Offset(0x0c), // GPIO Level
GP00, 1,
GP01, 1,
GP02, 1,
GP03, 1,
GP04, 1,
GP05, 1,
GP06, 1,
GP07, 1,
GP08, 1,
GP09, 1,
GP10, 1,
GP11, 1,
GP12, 1,
GP13, 1,
GP14, 1,
GP15, 1,
GP16, 1,
GP17, 1,
GP18, 1,
GP19, 1,
GP20, 1,
GP21, 1,
GP22, 1,
GP23, 1,
GP24, 1,
GP25, 1,
GP26, 1,
GP27, 1,
GP28, 1,
GP29, 1,
GP30, 1,
GP31, 1,
Offset(0x18), // GPIO Blink
GB00, 8,
GB01, 8,
GB02, 8,
GB03, 8,
Offset(0x2c), // GPIO Invert
GIV0, 8,
GIV1, 8,
GIV2, 8,
GIV3, 8,
Offset(0x30), // GPIO Use Select 2
GU04, 8,
GU05, 8,
GU06, 8,
GU07, 8,
Offset(0x34), // GPIO IO Select 2
GIO4, 8,
GIO5, 8,
GIO6, 8,
GIO7, 8,
Offset(0x38), // GPIO Level 2
GP32, 1,
GP33, 1,
GP34, 1,
GP35, 1,
GP36, 1,
GP37, 1,
GP38, 1,
GP39, 1,
GL05, 8,
GL06, 8,
GL07, 8
}
// ICH9 Root Complex Register Block. Memory Mapped through RCBA)
OperationRegion(RCRB, SystemMemory, DEFAULT_RCBA, 0x4000)
Field(RCRB, DWordAcc, Lock, Preserve)
{
Offset(0x0000), // Backbone
Offset(0x1000), // Chipset
Offset(0x3000), // Legacy Configuration Registers
Offset(0x3404), // High Performance Timer Configuration
HPAS, 2, // Address Select
, 5,
HPTE, 1, // Address Enable
Offset(0x3418), // FD (Function Disable)
, 2, // Reserved
SA1D, 1, // SATA disable
SMBD, 1, // SMBUS disable
HDAD, 1, // Azalia disable
, 2, // Reserved
US6D, 1, // UHCI #6 disable
US1D, 1, // UHCI #1 disable
US2D, 1, // UHCI #2 disable
US3D, 1, // UHCI #3 disable
US4D, 1, // UHCI #4 disable
US5D, 1, // UHCI #5 disable
EH2D, 1, // EHCI disable
LPBD, 1, // LPC bridge disable
EH1D, 1, // EHCI disable
Offset(0x341a), // FD Root Ports
RP1D, 1, // Root Port 1 disable
RP2D, 1, // Root Port 2 disable
RP3D, 1, // Root Port 3 disable
RP4D, 1, // Root Port 4 disable
RP5D, 1, // Root Port 5 disable
RP6D, 1, // Root Port 6 disable
, 2, // Reserved
THRD, 1, // Thermal Throttle disable
SA2D, 1, // SATA disable
}
}
// 0:1b.0 High Definition Audio (Azalia)
#include <southbridge/intel/common/acpi/audio_ich.asl>
// PCI Express Ports
#include <southbridge/intel/common/acpi/pcie.asl>
// USB
#include "usb.asl"
// PCI Bridge
#include "pci.asl"
// LPC Bridge
#include "lpc.asl"
// SATA
#include "sata.asl"
// SMBus
#include <southbridge/intel/common/acpi/smbus.asl>
Method (_OSC, 4)
{
/* Check for proper GUID */
If (LEqual (Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766")))
{
/* Let OS control everything */
Return (Arg3)
}
Else
{
/* Unrecognized UUID */
CreateDWordField (Arg3, 0, CDW1)
Or (CDW1, 4, CDW1)
Return (Arg3)
}
}
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