diff options
| -rw-r--r-- | OvmfPkg/PlatformPei/Platform.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c index b03b577013..75f7480ac7 100644 --- a/OvmfPkg/PlatformPei/Platform.c +++ b/OvmfPkg/PlatformPei/Platform.c @@ -244,6 +244,16 @@ MemMapInitialization ( EfiReservedMemoryType);
}
AddIoMemoryBaseSizeHob (PcdGet32(PcdCpuLocalApicBaseAddress), SIZE_1MB);
+
+ //
+ // On Q35, the IO Port space is available for PCI resource allocations from
+ // 0x6000 up.
+ //
+ if (mHostBridgeDevId == INTEL_Q35_MCH_DEVICE_ID) {
+ PciIoBase = 0x6000;
+ PciIoSize = 0xA000;
+ ASSERT ((ICH9_PMBASE_VALUE & 0xF000) < PciIoBase);
+ }
}
//
|