| /* 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 }) |
| /* |
| * Kept as a memo of the value needed, but blocked out until |
| * suspend/resume support is implemented. |
| */ |
| /*Name (\_S1, Package () { 0x04, 0x07, 0x00, 0x00 })*/ |
| /*Name (\_S4, Package () { 0x01, 0x06, 0x00, 0x00 })*/ |
| Name (\_S5, Package () { 0x00, 0x06, 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) { 0x0006FFFF, 0, LNKD, 0 }, |
| Package (0x04) { 0x0006FFFF, 1, LNKA, 0 }, |
| Package (0x04) { 0x0006FFFF, 2, LNKB, 0 }, |
| Package (0x04) { 0x0006FFFF, 3, LNKC, 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) { 0x0007FFFF, 0, LNKC, 0 }, |
| Package (0x04) { 0x0007FFFF, 1, LNKD, 0 }, |
| Package (0x04) { 0x0007FFFF, 2, LNKA, 0 }, |
| Package (0x04) { 0x0007FFFF, 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) |
| } |
| } |
| } |
| } |