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/* SPDX-License-Identifier: GPL-2.0-only */
#include "../haswell.h"
#include <southbridge/intel/common/rcba.h>
Name (_HID, EISAID ("PNP0A08")) // PCIe
Name (_CID, EISAID ("PNP0A03")) // PCI
Name (_BBN, 0)
Device (MCHC)
{
Name (_ADR, 0x00000000) // 0:0.0
OperationRegion (MCHP, PCI_Config, 0x00, 0x100)
Field (MCHP, DWordAcc, NoLock, Preserve)
{
Offset (0x70), // ME Base Address
MEBA, 64,
Offset (0xa0), // Top of Used Memory
TOM, 64,
Offset (0xbc), // Top of Low Used Memory
TLUD, 32,
}
}
// Current Resource Settings
Name (MCRS, ResourceTemplate()
{
// Bus Numbers
WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
0x0000, 0x0000, 0x00ff, 0x0000, 0x0100,,, PB00)
// IO Region 0
DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
0x0000, 0x0000, 0x0cf7, 0x0000, 0x0cf8,,, PI00)
// PCI Config Space
Io (Decode16, 0x0cf8, 0x0cf8, 0x0001, 0x0008)
// IO Region 1
DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
0x0000, 0x0d00, 0xffff, 0x0000, 0xf300,,, PI01)
// VGA memory (0xa0000-0xbffff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000a0000, 0x000bffff, 0x00000000,
0x00020000,,, ASEG)
// OPROM reserved (0xc0000-0xc3fff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000c0000, 0x000c3fff, 0x00000000,
0x00004000,,, OPR0)
// OPROM reserved (0xc4000-0xc7fff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000c4000, 0x000c7fff, 0x00000000,
0x00004000,,, OPR1)
// OPROM reserved (0xc8000-0xcbfff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000c8000, 0x000cbfff, 0x00000000,
0x00004000,,, OPR2)
// OPROM reserved (0xcc000-0xcffff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000cc000, 0x000cffff, 0x00000000,
0x00004000,,, OPR3)
// OPROM reserved (0xd0000-0xd3fff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000d0000, 0x000d3fff, 0x00000000,
0x00004000,,, OPR4)
// OPROM reserved (0xd4000-0xd7fff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000d4000, 0x000d7fff, 0x00000000,
0x00004000,,, OPR5)
// OPROM reserved (0xd8000-0xdbfff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000d8000, 0x000dbfff, 0x00000000,
0x00004000,,, OPR6)
// OPROM reserved (0xdc000-0xdffff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000dc000, 0x000dffff, 0x00000000,
0x00004000,,, OPR7)
// BIOS Extension (0xe0000-0xe3fff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000e0000, 0x000e3fff, 0x00000000,
0x00004000,,, ESG0)
// BIOS Extension (0xe4000-0xe7fff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000e4000, 0x000e7fff, 0x00000000,
0x00004000,,, ESG1)
// BIOS Extension (0xe8000-0xebfff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000e8000, 0x000ebfff, 0x00000000,
0x00004000,,, ESG2)
// BIOS Extension (0xec000-0xeffff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000ec000, 0x000effff, 0x00000000,
0x00004000,,, ESG3)
// System BIOS (0xf0000-0xfffff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x000f0000, 0x000fffff, 0x00000000,
0x00010000,,, FSEG)
// PCI Memory Region (Top of memory-CONFIG_MMCONF_BASE_ADDRESS)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000,,, PM01)
// TPM Area (0xfed40000-0xfed44fff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0xfed40000, 0xfed44fff, 0x00000000,
0x00005000,,, TPMR)
})
Method (_CRS, 0, Serialized)
{
// Find PCI resource area in MCRS
CreateDwordField (MCRS, ^PM01._MIN, PMIN)
CreateDwordField (MCRS, ^PM01._MAX, PMAX)
CreateDwordField (MCRS, ^PM01._LEN, PLEN)
// Fix up PCI memory region
// Start with Top of Lower Usable DRAM
// Lower 20 bits of TOLUD register need to be masked since they contain lock and
// reserved bits.
Local0 = ^MCHC.TLUD & (0xfff << 20)
Local1 = ^MCHC.MEBA
// Check if ME base is equal
If (Local0 == Local1) {
// Use Top Of Memory instead
// Lower 20 bits of TOM register need to be masked since they contain lock and
// reserved bits.
Local0 = ^MCHC.TOM & (0x7ffff << 20)
}
PMIN = Local0
PMAX = CONFIG_MMCONF_BASE_ADDRESS - 1
PLEN = (PMAX - PMIN) + 1
Return (MCRS)
}
/* PCI Device Resource Consumption */
Device (PDRC)
{
Name (_HID, EISAID ("PNP0C02"))
Name (_UID, 1)
Name (PDRS, ResourceTemplate () {
Memory32Fixed (ReadWrite, DEFAULT_RCBA, 0x00004000)
Memory32Fixed (ReadWrite, DEFAULT_MCHBAR, 0x00008000)
Memory32Fixed (ReadWrite, DEFAULT_DMIBAR, 0x00001000)
Memory32Fixed (ReadWrite, DEFAULT_EPBAR, 0x00001000)
Memory32Fixed (ReadWrite, CONFIG_MMCONF_BASE_ADDRESS, 0x04000000)
Memory32Fixed (ReadWrite, 0xfed20000, 0x00020000) // Misc ICH
Memory32Fixed (ReadWrite, 0xfed40000, 0x00005000) // Misc ICH
Memory32Fixed (ReadWrite, 0xfed45000, 0x0004b000) // Misc ICH
#if CONFIG(CHROMEOS_RAMOOPS)
Memory32Fixed (ReadWrite, CONFIG_CHROMEOS_RAMOOPS_RAM_START,
CONFIG_CHROMEOS_RAMOOPS_RAM_SIZE)
#endif
})
// Current Resource Settings
Method (_CRS, 0, Serialized)
{
Return (PDRS)
}
}
/* Configurable TDP */
#include "ctdp.asl"
#if !CONFIG(INTEL_LYNXPOINT_LP)
/* PCI Express Graphics */
#include "peg.asl"
#endif
/* Integrated graphics 0:2.0 */
#include <drivers/intel/gma/acpi/gfx.asl>
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