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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <southbridge/intel/i82371eb/i82371eb.h>
#define SUPERIO_PNP_BASE 0x3F0
#define SUPERIO_SHOW_UARTA
#define SUPERIO_SHOW_UARTB
#define SUPERIO_SHOW_FDC
#define SUPERIO_SHOW_LPT
#include <arch/acpi.h>
DefinitionBlock ("DSDT.aml", "DSDT", 2, OEM_ID, ACPI_TABLE_CREATOR, 1)
{
/* \_SB scope defining the main processor is generated in SSDT. */
OperationRegion(X80, SystemIO, 0x80, 1)
Field(X80, ByteAcc, NoLock, Preserve)
{
P80, 8
}
/*
* For now only define 2 power states:
* - S0 which is fully on
* - S5 which is soft off
* Any others would involve declaring the wake up methods.
*/
/*
* Intel 82371EB (PIIX4E) datasheet, section 7.2.3, page 142
*
* 0: soft off/suspend to disk S5
* 1: suspend to ram S3
* 2: powered on suspend, context lost S2
* Note: 'context lost' means the CPU restarts at the reset
* vector
* 3: powered on suspend, CPU context lost S1
* Note: Looks like 'CPU context lost' does _not_ mean the
* CPU restarts at the reset vector. Most likely only
* caches are lost, so both 0x3 and 0x4 map to ACPI S1
* 4: powered on suspend, context maintained S1
* 5: working (clock control) S0
* 6: reserved
* 7: reserved
*/
Name (\_S0, Package () { 0x05, 0x05, 0x00, 0x00 })
Name (\_S1, Package () { 0x03, 0x03, 0x00, 0x00 })
Name (\_S5, Package () { 0x00, 0x00, 0x00, 0x00 })
OperationRegion (GPOB, SystemIO, DEFAULT_PMBASE+DEVCTL, 0x10)
Field (GPOB, ByteAcc, NoLock, Preserve)
{
Offset (0x03),
TO12, 1, /* Device trap 12 */
Offset (0x08),
FANM, 1, /* GPO0, meant for fan */
Offset (0x09),
PLED, 1, /* GPO8, meant for power LED. Per PIIX4 datasheet */
, 3, /* this goes low when power is cut from its core. */
, 2,
, 16,
MSG0, 1 /* GPO30, message LED */
}
/* Prepare To Sleep, Arg0 is target S-state */
Method (\_PTS, 1, NotSerialized)
{
/* Disable fan, blink power LED, if not turning off */
If (LNotEqual (Arg0, 0x05))
{
Store (Zero, FANM)
Store (Zero, PLED)
}
/* Arms SMI for device 12 */
Store (One, TO12)
/* Put out a POST code */
Or (Arg0, 0xF0, P80)
}
Method (\_WAK, 1, NotSerialized)
{
/* Re-enable fan, stop power led blinking */
Store (One, FANM)
Store (One, PLED)
/* wake OK */
Return(Package(0x02){0x00, 0x00})
}
/* Root of the bus hierarchy */
Scope (\_SB)
{
Device (PWRB)
{
/* Power Button Device */
Name (_HID, EisaId ("PNP0C0C"))
Method (_STA, 0, NotSerialized)
{
Return (0x0B)
}
}
#include <southbridge/intel/i82371eb/acpi/intx.asl>
PCI_INTX_DEV(LNKA, \_SB.PCI0.PX40.PIRA, 1)
PCI_INTX_DEV(LNKB, \_SB.PCI0.PX40.PIRB, 2)
PCI_INTX_DEV(LNKC, \_SB.PCI0.PX40.PIRC, 3)
PCI_INTX_DEV(LNKD, \_SB.PCI0.PX40.PIRD, 4)
/* Top PCI device */
Device (PCI0)
{
Name (_HID, EisaId ("PNP0A03"))
Name (_UID, 0x00)
Name (_BBN, 0x00)
/* PCI Routing Table */
Name (_PRT, Package () {
Package (0x04) { 0x0001FFFF, 0, LNKA, 0 },
Package (0x04) { 0x0001FFFF, 1, LNKB, 0 },
Package (0x04) { 0x0001FFFF, 2, LNKC, 0 },
Package (0x04) { 0x0001FFFF, 3, LNKD, 0 },
Package (0x04) { 0x0004FFFF, 0, LNKA, 0 },
Package (0x04) { 0x0004FFFF, 1, LNKB, 0 },
Package (0x04) { 0x0004FFFF, 2, LNKC, 0 },
Package (0x04) { 0x0004FFFF, 3, LNKD, 0 },
Package (0x04) { 0x0009FFFF, 0, LNKD, 0 },
Package (0x04) { 0x0009FFFF, 1, LNKA, 0 },
Package (0x04) { 0x0009FFFF, 2, LNKB, 0 },
Package (0x04) { 0x0009FFFF, 3, LNKC, 0 },
Package (0x04) { 0x000AFFFF, 0, LNKC, 0 },
Package (0x04) { 0x000AFFFF, 1, LNKD, 0 },
Package (0x04) { 0x000AFFFF, 2, LNKA, 0 },
Package (0x04) { 0x000AFFFF, 3, LNKB, 0 },
Package (0x04) { 0x000BFFFF, 0, LNKB, 0 },
Package (0x04) { 0x000BFFFF, 1, LNKC, 0 },
Package (0x04) { 0x000BFFFF, 2, LNKD, 0 },
Package (0x04) { 0x000BFFFF, 3, LNKA, 0 },
Package (0x04) { 0x000CFFFF, 0, LNKA, 0 },
Package (0x04) { 0x000CFFFF, 1, LNKB, 0 },
Package (0x04) { 0x000CFFFF, 2, LNKC, 0 },
Package (0x04) { 0x000CFFFF, 3, LNKD, 0 },
})
#include <northbridge/intel/i440bx/acpi/sb_pci0_crs.asl>
/* Begin southbridge block */
Device (PX40)
{
Name(_ADR, 0x00040000)
OperationRegion (PIRQ, PCI_Config, 0x60, 0x04)
Field (PIRQ, ByteAcc, NoLock, Preserve)
{
PIRA, 8,
PIRB, 8,
PIRC, 8,
PIRD, 8
}
/* PNP Motherboard Resources */
Device (SYSR)
{
Name (_HID, EisaId ("PNP0C02"))
Method (_CRS, 0, NotSerialized)
{
Name (BUF1, ResourceTemplate ()
{
/* PM register ports */
IO (Decode16, 0x0000, 0x0000, 0x01, 0x40, _Y06)
/* SMBus register ports */
IO (Decode16, 0x0000, 0x0000, 0x01, 0x10, _Y07)
/* PIIX4E ports */
/* Aliased DMA ports */
IO (Decode16, 0x0010, 0x0010, 0x01, 0x10, )
/* Aliased PIC ports */
IO (Decode16, 0x0022, 0x0022, 0x01, 0x1E, )
/* Aliased timer ports */
IO (Decode16, 0x0050, 0x0050, 0x01, 0x04, )
IO (Decode16, 0x0062, 0x0062, 0x01, 0x02, )
IO (Decode16, 0x0065, 0x0065, 0x01, 0x0B, )
IO (Decode16, 0x0074, 0x0074, 0x01, 0x0C, )
IO (Decode16, 0x0091, 0x0091, 0x01, 0x03, )
IO (Decode16, 0x00A2, 0x00A2, 0x01, 0x1E, )
IO (Decode16, 0x00E0, 0x00E0, 0x01, 0x10, )
IO (Decode16, 0x0294, 0x0294, 0x01, 0x04, )
IO (Decode16, 0x03F0, 0x03F0, 0x01, 0x02, )
IO (Decode16, 0x04D0, 0x04D0, 0x01, 0x02, )
})
CreateWordField (BUF1, _Y06._MIN, PMLO)
CreateWordField (BUF1, _Y06._MAX, PMRL)
CreateWordField (BUF1, _Y07._MIN, SBLO)
CreateWordField (BUF1, _Y07._MAX, SBRL)
And (\_SB.PCI0.PX43.PM00, 0xFFFE, PMLO)
And (\_SB.PCI0.PX43.SB00, 0xFFFE, SBLO)
Store (PMLO, PMRL)
Store (SBLO, SBRL)
Return (BUF1)
}
}
#include <southbridge/intel/i82371eb/acpi/i82371eb.asl>
}
Device (PX43)
{
Name (_ADR, 0x00040003) // _ADR: Address
OperationRegion (IPMU, PCI_Config, PMBA, 0x02)
Field (IPMU, ByteAcc, NoLock, Preserve)
{
PM00, 16
}
OperationRegion (ISMB, PCI_Config, SMBBA, 0x02)
Field (ISMB, ByteAcc, NoLock, Preserve)
{
SB00, 16
}
}
#include <superio/winbond/w83977tf/acpi/superio.asl>
}
}
/* ACPI Message */
Scope (\_SI)
{
Method (_MSG, 1, NotSerialized)
{
If (LEqual (Arg0, Zero))
{
Store (One, MSG0)
}
Else
{
Store (Zero, MSG0)
}
}
}
}
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