/* SPDX-License-Identifier: GPL-2.0-only */ #include #include Name (_HID, EisaId ("PNP0A08") /* PCI Express Bus */) Name (_CID, EisaId ("PNP0A03") /* PCI Bus */) Name (_SEG, 0) // _SEG: PCI Segment Name (_UID, 0) Device (MCHC) { Name (_ADR, 0x00000000) OperationRegion (MCHP, PCI_Config, 0x00, 0x100) Field (MCHP, DWordAcc, NoLock, Preserve) { Offset(0x40), /* EPBAR (0:0:0:40) */ EPEN, 1, /* Enable */ , 11, EPBR, 27, /* EPBAR [38:12] */ Offset(0x48), /* MCHBAR (0:0:0:48) */ MHEN, 1, /* Enable */ , 14, MHBR, 24, /* MCHBAR [38:15] */ Offset(0x60), /* PCIEXBAR (0:0:0:60) */ PXEN, 1, /* Enable */ PXSZ, 2, /* PCI Express Size */ , 23, PXBR, 13, /* PCI Express BAR [38:26] */ Offset(0x68), /* DMIBAR (0:0:0:68) */ DIEN, 1, /* Enable */ , 11, DIBR, 27, /* DMIBAR [38:12] */ Offset (0x70), /* ME Base Address */ MEBA, 64, Offset (0xa0), TOM, 64, /* Top of Used Memory */ TUUD, 64, /* Top of Upper Used Memory */ Offset (0xbc), /* Top of Low Used Memory */ TLUD, 32, } } External (A4GS, IntObj) External (A4GB, IntObj) Method (_CRS, 0, Serialized) { Name (MCRS, ResourceTemplate () { /* Bus Numbers */ WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode, 0x0000, 0x0000, 0x00ff, 0x0000, 0x0100) /* IO Region 0 */ DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, 0x0000, 0x0000, 0x0cf7, 0x0000, 0x0cf8) /* PCI Config Space */ Io (Decode16, 0x0cf8, 0x0cf8, 0x0001, 0x0008) /* IO Region 1 */ DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, 0x0000, 0x0d00, 0xffff, 0x0000, 0xf300) /* VGA memory (0xa0000-0xbffff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000a0000, 0x000bffff, 0x00000000, 0x00020000) /* OPROM reserved (0xc0000-0xc3fff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000c0000, 0x000c3fff, 0x00000000, 0x00004000) /* OPROM reserved (0xc4000-0xc7fff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000c4000, 0x000c7fff, 0x00000000, 0x00004000) /* OPROM reserved (0xc8000-0xcbfff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000c8000, 0x000cbfff, 0x00000000, 0x00004000) /* OPROM reserved (0xcc000-0xcffff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000cc000, 0x000cffff, 0x00000000, 0x00004000) /* OPROM reserved (0xd0000-0xd3fff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000d0000, 0x000d3fff, 0x00000000, 0x00004000) /* OPROM reserved (0xd4000-0xd7fff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000d4000, 0x000d7fff, 0x00000000, 0x00004000) /* OPROM reserved (0xd8000-0xdbfff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000d8000, 0x000dbfff, 0x00000000, 0x00004000) /* OPROM reserved (0xdc000-0xdffff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000dc000, 0x000dffff, 0x00000000, 0x00004000) /* BIOS Extension (0xe0000-0xe3fff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000e0000, 0x000e3fff, 0x00000000, 0x00004000) /* BIOS Extension (0xe4000-0xe7fff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000e4000, 0x000e7fff, 0x00000000, 0x00004000) /* BIOS Extension (0xe8000-0xebfff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000e8000, 0x000ebfff, 0x00000000, 0x00004000) /* BIOS Extension (0xec000-0xeffff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000ec000, 0x000effff, 0x00000000, 0x00004000) /* System BIOS (0xf0000-0xfffff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0x000f0000, 0x000fffff, 0x00000000, 0x00010000) /* PCI Memory Region (TLUD - 0xdfffffff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite, 0x00000000, 0x00000000, 0xdfffffff, 0x00000000, 0xE0000000,,, PM01) /* PCI Memory Region (TUUD - (TUUD + ABOVE_4G_MMIO_SIZE)) */ QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite, 0x00000000, 0x10000, 0x1ffff, 0x00000000, 0x10000,,, PM02) /* PCH reserved resource (0xfc800000-0xfe7fffff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, PCH_PRESERVED_BASE_ADDRESS, 0xfe7fffff, 0x00000000, PCH_PRESERVED_BASE_SIZE) #if !CONFIG(TPM_GOOGLE) /* TPM Area (0xfed40000-0xfed44fff) */ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, 0xfed40000, 0xfed44fff, 0x00000000, 0x00005000) #endif }) /* 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 = \_SB.PCI0.MCHC.TLUD & (0xfff << 20) Local1 = \_SB.PCI0.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 = \_SB.PCI0.MCHC.TOM & (0x7ffff << 20) } PMIN = Local0 PLEN = (PMAX - PMIN) + 1 /* Patch PM02 range based on Memory Size */ If (A4GS == 0) { CreateQwordField (MCRS, PM02._LEN, MSEN) MSEN = 0 } Else { CreateQwordField (MCRS, PM02._MIN, MMIN) CreateQwordField (MCRS, PM02._MAX, MMAX) CreateQwordField (MCRS, PM02._LEN, MLEN) /* Set 64bit MMIO resource base and length */ MLEN = A4GS MMIN = A4GB MMAX = (MMIN + MLEN) - 1 } Return (MCRS) } /* Get MCH BAR */ Method (GMHB, 0, Serialized) { Local0 = \_SB.PCI0.MCHC.MHBR << 15 Return (Local0) } /* Get EP BAR */ Method (GEPB, 0, Serialized) { Local0 = \_SB.PCI0.MCHC.EPBR << 12 Return (Local0) } /* Get PCIe BAR */ Method (GPCB, 0, Serialized) { Local0 = \_SB.PCI0.MCHC.PXBR << 26 Return (Local0) } /* Get PCIe Length */ Method (GPCL, 0, Serialized) { Local0 = 0x10000000 >> \_SB.PCI0.MCHC.PXSZ Return (Local0) } /* Get DMI BAR */ Method (GDMB, 0, Serialized) { Local0 = \_SB.PCI0.MCHC.DIBR << 12 Return (Local0) } /* PCI Device Resource Consumption */ Device (PDRC) { Name (_HID, EISAID ("PNP0C02")) Name (_UID, 1) Method (_CRS, 0, Serialized) { Name (BUF0, ResourceTemplate () { /* MCH BAR _BAS will be updated in _CRS below according to * B0:D0:F0:Reg.48h */ Memory32Fixed (ReadWrite, 0, 0x08000, MCHB) /* DMI BAR _BAS will be updated in _CRS below according to * B0:D0:F0:Reg.68h */ Memory32Fixed (ReadWrite, 0, 0x01000, DMIB) /* EP BAR _BAS will be updated in _CRS below according to * B0:D0:F0:Reg.40h */ Memory32Fixed (ReadWrite, 0, 0x01000, EGPB) /* VTD engine memory range. */ Memory32Fixed (ReadOnly, VTD_BASE_ADDRESS, VTD_BASE_SIZE) /* FLASH range */ Memory32Fixed (ReadOnly, 0, CONFIG_ROM_SIZE, FIOH) /* Local APIC range(0xFEE0_0000 to 0xFEEF_FFFF) */ Memory32Fixed (ReadOnly, 0xFEE00000, 0x100000) /* HPET address decode range */ Memory32Fixed (ReadWrite, HPET_BASE_ADDRESS, 0x400) }) CreateDwordField (BUF0, MCHB._BAS, MBR0) MBR0 = \_SB.PCI0.GMHB () CreateDwordField (BUF0, DMIB._BAS, DBR0) DBR0 = \_SB.PCI0.GDMB () CreateDwordField (BUF0, EGPB._BAS, EBR0) EBR0 = \_SB.PCI0.GEPB () CreateDwordField (BUF0, FIOH._BAS, FBR0) FBR0 = 0x100000000 - CONFIG_ROM_SIZE Return (BUF0) } } /* Integrated graphics 0:2.0 */ #include