acpi: Enable 64bit ECAM resource
Adjust ACPI DSDT to support ECAM resource above 4GB by modifying the PCI ECAM Resource Consumption settings. The changes include specifying a QWordMemory resource template, accommodating non-cacheable, read-write attributes, and adjusting the address range. Change-Id: Idb049d848f2311e27df5279a10c33f9fab259c08 Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/79096 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com> Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com> Reviewed-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-by: Nico Huber <nico.h@gmx.de>
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@ -57,11 +57,27 @@ Scope(\_SB) {
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Device (PERC) // PCI ECAM Resource Consumption
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Device (PERC) // PCI ECAM Resource Consumption
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{
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{
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Name (_HID, EisaId("PNP0C02"))
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Name (_HID, EisaId("PNP0C02"))
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Name (_CRS, ResourceTemplate()
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Method (_CRS, 0, Serialized)
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{
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{
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Memory32Fixed (ReadWrite, CONFIG_ECAM_MMCONF_BASE_ADDRESS,
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Name (RBUF, ResourceTemplate ()
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CONFIG_ECAM_MMCONF_LENGTH)
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{
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})
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QWordMemory (ResourceConsumer, PosDecode, MinFixed, MaxFixed,
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NonCacheable, ReadWrite,
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0x0000000000000000, // Granularity
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0x0000000000000000, // _MIN
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0x0000000000000001, // _MAX
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0x0000000000000000, // Translation
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0x0000000000000002, // _Len
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,, _Y00, AddressRangeMemory, TypeStatic)
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})
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CreateQWordField (RBUF, \_SB.PERC._CRS._Y00._MIN, MIN1)
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CreateQWordField (RBUF, \_SB.PERC._CRS._Y00._MAX, MAX1)
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CreateQWordField (RBUF, \_SB.PERC._CRS._Y00._LEN, LEN1)
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MIN1 = CONFIG_ECAM_MMCONF_BASE_ADDRESS
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MAX1 = (MIN1 + CONFIG_ECAM_MMCONF_LENGTH -1)
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LEN1 = CONFIG_ECAM_MMCONF_LENGTH
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Return (RBUF)
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}
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}
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}
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}
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}
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#endif
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#endif
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