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/* 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(LEqual(Arg0,ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766")))
{
/* Let OS control everything */
Return (Arg3)
} Else {
CreateDWordField(Arg3,0,CDW1)
Or(CDW1,4,CDW1) // Unrecognized UUID
Return(Arg3)
}
}
/* Describe the Southbridge devices */
/* 0:11.0 - SATA */
Device(STCR) {
Name(_ADR, 0x00110000)
} /* end STCR */
/* 0:14.0 - SMBUS */
Device(SBUS) {
Name(_ADR, 0x00140000)
} /* end SBUS */
#include "usb.asl"
/* 0:14.2 - HD Audio */
#if !CONFIG(SOUTHBRIDGE_AMD_PI_KERN)
#include "audio.asl"
#endif
/* 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) */
#if CONFIG(HUDSON_IMC_FWM)
/* TODO: It is unstable.
* might be fixed by restructuring
*/
#include "acpi/AmdImc.asl" /* Hudson IMC function */
#endif
/*
*
* 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()
#if CONFIG(HUDSON_IMC_FWM)
#if CONFIG(ACPI_ENABLE_THERMAL_ZONE)
ITZE() /* enable IMC Fan Control*/
#endif
#endif
} /* End Method(_SB._INI) */
Method(OSFL, 0){
if (LNotEqual(OSVR, Ones)) {Return(OSVR)} /* OS version was already detected */
if (CondRefOf(\_OSI))
{
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)
}
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