diff options
Diffstat (limited to 'src/southbridge/amd/pi/avalon/acpi/fch.asl')
-rw-r--r-- | src/southbridge/amd/pi/avalon/acpi/fch.asl | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/southbridge/amd/pi/avalon/acpi/fch.asl b/src/southbridge/amd/pi/avalon/acpi/fch.asl new file mode 100644 index 0000000000..f2764aaa08 --- /dev/null +++ b/src/southbridge/amd/pi/avalon/acpi/fch.asl @@ -0,0 +1,188 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * Copyright (C) 2013 Sage Electronic Engineering, LLC + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* South Bridge */ +/* _SB.PCI0 */ + +/* Operating System Capabilities Method */ +Method(_OSC,4) +{ + // Create DWord-addressable fields from the Capabilities Buffer + CreateDWordField(Arg3,0,CDW1) + CreateDWordField(Arg3,4,CDW2) + CreateDWordField(Arg3,8,CDW3) + + /* Check for proper PCI/PCIe UUID */ + If(LEqual(Arg0,ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) + { + /* Let OS control everything */ + Return (Arg3) + } Else { + Or(CDW1,4,CDW1) // Unrecognized UUID + Return(Arg3) + } +} + +/* Describe the Southbridge devices */ + +/* 0:11.0 - SATA */ +Device(STCR) { + Name(_ADR, 0x00110000) + #include "acpi/sata.asl" +} /* end STCR */ + +/* 0:14.0 - SMBUS */ +Device(SBUS) { + Name(_ADR, 0x00140000) +} /* end SBUS */ + +#include "usb.asl" + +/* 0:14.2 - HD Audio */ +#include "audio.asl" + +/* 0:14.3 - LPC */ +#include "lpc.asl" + +/* 0:14.7 - SD Controller */ +Device(SDCN) { + Name(_ADR, 0x00140007) +} /* end SDCN */ + +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 busses can have 256 secondary busses 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 */ + 0x03B0, /* range minimum */ + 0x03DF, /* range maximum */ + 0x0000, /* translation */ + 0x0030 /* 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 */ + Memory32Fixed(READONLY, 0x000C0000, 0x00020000, EMM1) /* Assume C0000-E0000 empty */ + + /* 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). + */ + Store(TOM1, MM1B) + ShiftLeft(0x10000000, 4, Local0) + Subtract(Local0, TOM1, Local0) + Store(Local0, MM1L) + + 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") */ + + /* Determine the OS we're running on */ + OSFL() + + /* TODO: It is unstable. */ + //#include "acpi/AmdImc.asl" /* Hudson IMC function */ + //ITZE() /* enable IMC Fan Control*/ +} /* End Method(_SB._INI) */ + +Method(OSFL, 0){ + + if(LNotEqual(OSVR, Ones)) {Return(OSVR)} /* OS version was already detected */ + + if(CondRefOf(\_OSI,Local1)) + { + Store(1, OSVR) /* Assume some form of XP */ + if (\_OSI("Windows 2006")) /* Vista */ + { + Store(2, OSVR) + } + } else { + If(WCMP(\_OS,"Linux")) { + Store(3, OSVR) /* Linux */ + } Else { + Store(4, OSVR) /* Gotta be WinCE */ + } + } + Return(OSVR) +} |