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OvmfPkg/FdtPciHostBridgeLib: Map PCI MMIO windows in GCD

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Map the PCI MMIO32 and MMIO64 windows into the GCD memory
map after parsing the DT ranges property.

This makes the PCI memory apertures available as MMIO
regions.

Signed-off-by: Sami Mujawar <sami.mujawar@arm.com>
This commit is contained in:
Sami Mujawar 2026-05-23 14:14:05 +01:00 • committed by mergify[bot]
parent d46e38c5ea
commit da1ccea67c
1 changed files with 16 additions and 0 deletions
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16
OvmfPkg/Fdt/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c
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@ -297,6 +297,22 @@ ProcessPciHost (
//
Status = MapMmioMemory (*IoBase + IoTranslation, *IoSize, EFI_MEMORY_UC);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) {
return Status;
}
}
if (*Mmio32Size != 0) {
Status = MapMmioMemory (*Mmio32Base, *Mmio32Size, EFI_MEMORY_UC);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) {
return Status;
}
}
if (*Mmio64Size != 0) {
Status = MapMmioMemory (*Mmio64Base, *Mmio64Size, EFI_MEMORY_UC);
ASSERT_EFI_ERROR (Status);
}
return Status;