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/*
* This file is part of the coreboot project.
*
*
* 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 <arch/ioapic.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 (0x40), // EPBAR
EPEN, 1, // Enable
, 11, //
EPBR, 20, // EPBAR
// MCHBAR
MHEN, 1, // Enable
, 13, //
MHBR, 18, // MCHBAR
// PCIe BAR
PXEN, 1, // Enable
PXSZ, 2, // BAR size
, 23, //
PXBR, 6, // PCIe BAR
// DMIBAR
DMEN, 1, // Enable
, 11, //
DMBR, 20, // DMIBAR
// ...
Offset (0x90), // PAM0
, 4,
PM0H, 2,
, 2,
// PAM1
PM1L, 2,
, 2,
PM1H, 2,
, 2,
// PAM2
PM2L, 2,
, 2,
PM2H, 2,
, 2,
// PAM3
PM3L, 2,
, 2,
PM3H, 2,
, 2,
// PAM4
PM4L, 2,
, 2,
PM4H, 2,
, 2,
// PAM5
PM5L, 2,
, 2,
PM5H, 2,
, 2,
// PAM6
PM6L, 2,
, 2,
PM6H, 2,
, 2,
Offset (0x9c), // Top of Low Used Memory
, 3,
TLUD, 5,
Offset (0xa0), // Top of Used Memory
TOM, 16,
}
}
// 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-0xfebfffff)
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
0x00000000, 0x00000000, 0xfebfffff, 0x00000000,
IO_APIC_ADDR,,, 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:
// Enter actual TOLUD. The TOLUD register contains bits 27-31 of
// the top of memory address.
ShiftLeft (^MCHC.TLUD, 27, PMIN)
Add(Subtract(PMAX, PMIN), 1, PLEN)
Return (MCRS)
}
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