/* * This file is part of the coreboot project. * * Copyright (C) 2010 Tobias Diedrich <ranma+coreboot@tdiedrich.de> * Copyright (C) 2017 Keith Hui <buurin@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #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) { /* \_PR 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 (_ADR, 0x00) 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) } } } }