| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| /* System Bus */ |
| /* _SB.PCI0 */ |
| |
| /* Operating System Capabilities Method */ |
| Method(_OSC,4) |
| { |
| /* Check for proper PCI/PCIe UUID */ |
| If (Arg0 == ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766")) |
| { |
| /* Let OS control everything */ |
| Return (Arg3) |
| } Else { |
| CreateDWordField(Arg3,0,CDW1) |
| CDW1 |= 4 // Unrecognized UUID |
| Return (Arg3) |
| } |
| } |
| |
| Method(_BBN, 0) { /* Bus number = 0 */ |
| Return (0) |
| } |
| Method(_STA, 0) { |
| /* DBGO("\\_SB\\PCI0\\_STA\n") */ |
| Return (0x0b) /* Status is visible */ |
| } |
| |
| Method(_PRT,0) { |
| If(PICM){ Return(APR0) } /* APIC mode */ |
| Return (PR0) /* PIC Mode */ |
| } /* end _PRT */ |
| |
| /* Describe the Southbridge devices */ |
| |
| #include "pcie.asl" |
| |
| Device(STCR) { |
| Name(_ADR, 0x00110000) |
| #include "acpi/sata.asl" |
| } /* end STCR */ |
| |
| #include "usb.asl" |
| |
| Device(SBUS) { |
| Name(_ADR, 0x00140000) |
| } /* end SBUS */ |
| |
| #include "audio.asl" |
| |
| #include "lpc.asl" |
| |
| /* PCI bridge */ |
| Device(PIBR) { |
| Name(_ADR, 0x00140004) |
| Name(_PRW, Package() {0x18, 4}) |
| |
| Method(_PRT, 0) { |
| Return (PCIB) |
| } |
| } /* end HostPciBr */ |
| |
| Device(ACAD) { |
| Name(_ADR, 0x00140005) |
| } /* end Ac97audio */ |
| |
| Device(ACMD) { |
| Name(_ADR, 0x00140006) |
| } /* end Ac97modem */ |
| |
| Name(CRES, ResourceTemplate() { |
| /* Set the Bus number and Secondary Bus number for the PCI0 device |
| * The Secondary bus range for PCI0 lets the system |
| * know what bus values are allowed on the downstream |
| * side of this PCI bus if there is a PCI-PCI bridge. |
| * PCI buses can have 256 secondary buses which |
| * range from [0-0xFF] but they do not need to be |
| * sequential. |
| */ |
| WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode, |
| 0x0000, /* address granularity */ |
| 0x0000, /* range minimum */ |
| 0x00FF, /* range maximum */ |
| 0x0000, /* translation */ |
| 0x0100, /* length */ |
| ,, PSB0) /* ResourceSourceIndex, ResourceSource, DescriptorName */ |
| |
| IO(Decode16, 0x0CF8, 0x0CF8, 1, 8) |
| |
| WORDIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, |
| 0x0000, /* address granularity */ |
| 0x0000, /* range minimum */ |
| 0x0CF7, /* range maximum */ |
| 0x0000, /* translation */ |
| 0x0CF8 /* length */ |
| ) |
| |
| WORDIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, |
| 0x0000, /* address granularity */ |
| 0x0D00, /* range minimum */ |
| 0xFFFF, /* range maximum */ |
| 0x0000, /* translation */ |
| 0xF300 /* length */ |
| ) |
| |
| Memory32Fixed(READONLY, 0x000A0000, 0x00020000, VGAM) /* VGA memory space */ |
| |
| /* memory space for PCI BARs below 4GB */ |
| Memory32Fixed(ReadOnly, 0x00000000, 0x00000000, MMIO) |
| }) /* End Name(_SB.PCI0.CRES) */ |
| |
| Method(_CRS, 0) { |
| /* DBGO("\\_SB\\PCI0\\_CRS\n") */ |
| CreateDWordField(CRES, ^MMIO._BAS, MM1B) |
| CreateDWordField(CRES, ^MMIO._LEN, MM1L) |
| |
| /* |
| * Declare memory between TOM1 and 4GB as available |
| * for PCI MMIO. |
| * Use ShiftLeft to avoid 64bit constant (for XP). |
| * This will work even if the OS does 32bit arithmetic, as |
| * 32bit (0x00000000 - TOM1) will wrap and give the same |
| * result as 64bit (0x100000000 - TOM1). |
| */ |
| MM1B = TOM1 |
| Local0 = 0x10000000 << 4 |
| Local0 -= TOM1 |
| MM1L = Local0 |
| |
| Return (CRES) /* note to change the Name buffer */ |
| } /* end of Method(_SB.PCI0._CRS) */ |
| |
| /* |
| * |
| * FIRST METHOD CALLED UPON BOOT |
| * |
| * 1. If debugging, print current OS and ACPI interpreter. |
| * 2. Get PCI Interrupt routing from ACPI VSM, this |
| * value is based on user choice in BIOS setup. |
| */ |
| Method(_INI, 0) { |
| /* DBGO("\\_SB\\_INI\n") */ |
| /* DBGO(" DSDT.ASL code from ") */ |
| /* DBGO(__DATE__) */ |
| /* DBGO(" ") */ |
| /* DBGO(__TIME__) */ |
| /* DBGO("\n Sleep states supported: ") */ |
| /* DBGO("\n") */ |
| /* DBGO(" \\_OS=") */ |
| /* DBGO(\_OS) */ |
| /* DBGO("\n \\_REV=") */ |
| /* DBGO(\_REV) */ |
| /* DBGO("\n") */ |
| |
| /* On older chips, clear PciExpWakeDisEn */ |
| /*if (\SBRI <= 0x13) { |
| * \PWDE = 0 |
| * } |
| */ |
| } /* End Method(_SB._INI) */ |
| |
| Scope(\){ |
| |
| #include "misc_io.asl" |
| |
| } |