| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| #include "../include/soc/iomap.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 (0x48), // MCHBAR |
| MHEN, 1, // Enable |
| , 13, // |
| MHBR, 22, // MCHBAR |
| |
| Offset (0x60), // PCIe BAR |
| PXEN, 1, // Enable |
| PXSZ, 2, // BAR size |
| , 23, // |
| PXBR, 10, // PCIe BAR |
| |
| Offset (0xa8), // Top of Upper Memory |
| TUUD, 64, |
| |
| Offset (0xb8), // TSEGMB |
| TSEG, 32, |
| |
| 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) |
| |
| // RAM (0xc0000-0xdffff) |
| DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, |
| Cacheable, ReadWrite, |
| 0x00000000, 0x000c0000, 0x000dffff, 0x00000000, |
| 0x00020000,,, OPR0) |
| |
| // PCI Memory Region (Top of memory-PCIEXBAR) |
| DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, |
| NonCacheable, ReadWrite, |
| 0x00000000, 0x00000000, 0xfebfffff, 0x00000000, |
| 0xfec00000,,, PM01) |
| |
| #ifdef ENABLE_TPM |
| // TPM Area (0xfed40000-0xfed44fff) |
| DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, |
| Cacheable, ReadWrite, |
| 0x00000000, 0xfed40000, 0xfed44fff, 0x00000000, |
| 0x00005000,,, TPMR) |
| #endif |
| |
| // PCI Memory Region (TOUUD - 64G) |
| QWORDMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, |
| NonCacheable, ReadWrite, |
| 0x00000000, 0x00000000, 0x1ffffffff, 0x00000000, |
| 0x200000000,,, PM02) |
| |
| }) // End MCRS |
| |
| 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) |
| |
| // MMIO Low is saved in NVS |
| Store (\MMOB, PMIN) |
| Store (\MMOL, PMAX) |
| Add (Subtract (PMAX, PMIN), 1, PLEN) |
| |
| // Find PCI resource area in MCRS |
| CreateQWordField(MCRS, ^PM02._MIN, P2MN) |
| CreateQWordField(MCRS, ^PM02._MAX, P2MX) |
| CreateQWordField(MCRS, ^PM02._LEN, P2LN) |
| |
| // MMIO High is saved in NVS |
| Store(\MMHB, P2MN) |
| Store(\MMHL, P2MX) |
| Add(Subtract(P2MX,P2MN),1,P2LN) |
| |
| Return (MCRS) |
| } // End _CRS |
| |
| /* PCI Device Resource Consumption */ |
| Device (PDRC) |
| { |
| Name (_HID, EISAID("PNP0C02")) |
| Name (_UID, 1) |
| |
| Name (PDRS, ResourceTemplate() { |
| // PCIEXBAR memory range |
| Memory32Fixed(ReadOnly, CONFIG_MMCONF_BASE_ADDRESS, 0x10000000) |
| // TSEG |
| Memory32Fixed(ReadOnly, 0x00000000, 0x00000000, TSMB) |
| }) |
| |
| // Current Resource Settings |
| Method (_CRS, 0, Serialized) |
| { |
| // Fix up 32-bit TSEG |
| CreateDWordField(PDRS, ^TSMB._BAS, TSMN) |
| Store(\TSGB, TSMN) |
| CreateDWordField(PDRS, ^TSMB._LEN, TSLN) |
| Store(\TSSZ, TSLN) |
| Return(PDRS) |
| } |
| } |
| |
| // Global Registers |
| Device (GREG) { |
| Name (_ADR, 0x00040000) |
| } |
| |
| // Root Complex Event Collector |
| Device (RCEC) { |
| Name (_ADR, 0x00050000) |
| } |
| |
| // Virtual root port 2 |
| Device (VRP2) { |
| Name (_ADR, 0x00060000) |
| |
| Method (_PRT) |
| { |
| Return (IRQM (6)) |
| } |
| } |