diff options
Diffstat (limited to 'src/soc/intel/broadwell/acpi/hostbridge.asl')
| -rw-r--r-- | src/soc/intel/broadwell/acpi/hostbridge.asl | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/acpi/hostbridge.asl b/src/soc/intel/broadwell/acpi/hostbridge.asl new file mode 100644 index 0000000000..3e7ced0296 --- /dev/null +++ b/src/soc/intel/broadwell/acpi/hostbridge.asl @@ -0,0 +1,197 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#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 (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, RCBA_BASE_ADDRESS, RCBA_BASE_SIZE) + Memory32Fixed (ReadWrite, MCH_BASE_ADDRESS, MCH_BASE_SIZE) + Memory32Fixed (ReadWrite, DMI_BASE_ADDRESS, DMI_BASE_SIZE) + Memory32Fixed (ReadWrite, EP_BASE_ADDRESS, EP_BASE_SIZE) + Memory32Fixed (ReadWrite, MCFG_BASE_ADDRESS, MCFG_BASE_SIZE) + Memory32Fixed (ReadWrite, EDRAM_BASE_ADDRESS, EDRAM_BASE_SIZE) + Memory32Fixed (ReadWrite, GDXC_BASE_ADDRESS, GDXC_BASE_SIZE) + }) + + // Current Resource Settings + Method (_CRS, 0, Serialized) + { + Return (PDRS) + } +} + +/* PCI IRQ assignment */ +#include "pci_irqs.asl" + +/* Configurable TDP */ +#include "ctdp.asl" |