diff options
| -rw-r--r-- | ArmPlatformPkg/ArmVirtualizationPkg/PciHostBridgeDxe/PciHostBridge.c | 6 | ||||
| -rw-r--r-- | ArmPlatformPkg/ArmVirtualizationPkg/PciHostBridgeDxe/PciHostBridgeDxe.inf | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/PciHostBridgeDxe/PciHostBridge.c b/ArmPlatformPkg/ArmVirtualizationPkg/PciHostBridgeDxe/PciHostBridge.c index ced7528a2e..50f61cbfff 100644 --- a/ArmPlatformPkg/ArmVirtualizationPkg/PciHostBridgeDxe/PciHostBridge.c +++ b/ArmPlatformPkg/ArmVirtualizationPkg/PciHostBridgeDxe/PciHostBridge.c @@ -85,6 +85,7 @@ PCI_HOST_BRIDGE_INSTANCE mPciHostBridgeInstanceTemplate = { @param ImageHandle Handle of driver image
@param SystemTable Point to EFI_SYSTEM_TABLE
+ @retval EFI_ABORTED PCI host bridge not present
@retval EFI_OUT_OF_RESOURCES Can not allocate memory resource
@retval EFI_DEVICE_ERROR Can not install the protocol instance
@retval EFI_SUCCESS Success to initialize the Pci host bridge.
@@ -102,6 +103,11 @@ InitializePciHostBridge ( PCI_HOST_BRIDGE_INSTANCE *HostBridge;
PCI_ROOT_BRIDGE_INSTANCE *PrivateData;
+ if (PcdGet64 (PcdPciExpressBaseAddress) == 0) {
+ DEBUG ((EFI_D_INFO, "%a: PCI host bridge not present\n", __FUNCTION__));
+ return EFI_ABORTED;
+ }
+
mDriverImageHandle = ImageHandle;
mResAperture[0][0].BusBase = PcdGet32 (PcdPciBusMin);
diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/PciHostBridgeDxe/PciHostBridgeDxe.inf b/ArmPlatformPkg/ArmVirtualizationPkg/PciHostBridgeDxe/PciHostBridgeDxe.inf index be3200dedb..5497fa61d2 100644 --- a/ArmPlatformPkg/ArmVirtualizationPkg/PciHostBridgeDxe/PciHostBridgeDxe.inf +++ b/ArmPlatformPkg/ArmVirtualizationPkg/PciHostBridgeDxe/PciHostBridgeDxe.inf @@ -58,6 +58,7 @@ gArmPlatformTokenSpaceGuid.PcdPciIoTranslation
gArmPlatformTokenSpaceGuid.PcdPciMmio32Base
gArmPlatformTokenSpaceGuid.PcdPciMmio32Size
+ gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
[depex]
gEfiMetronomeArchProtocolGuid
|