2 files changed, 13 insertions, 3 deletions
diff --git a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.c b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.c
index 3ddcda83ac..cf72609777 100644
--- a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.c
+++ b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.c
@@ -899,9 +899,17 @@ FvbNotificationEvent (
   FvbHandle = NULL;
   Fvb       = NULL;
 
-  FtwDevice->WorkSpaceAddress = (EFI_PHYSICAL_ADDRESS) PcdGet32 (PcdFlashNvStorageFtwWorkingBase);
-  FtwDevice->SpareAreaAddress = (EFI_PHYSICAL_ADDRESS) PcdGet32 (PcdFlashNvStorageFtwSpareBase);
-
+  FtwDevice->WorkSpaceAddress = (EFI_PHYSICAL_ADDRESS) PcdGet64 (PcdFlashNvStorageFtwWorkingBase64);
+  if (FtwDevice->WorkSpaceAddress == 0) {
+    FtwDevice->WorkSpaceAddress = (EFI_PHYSICAL_ADDRESS) PcdGet32 (PcdFlashNvStorageFtwWorkingBase);
+  }
+  
+  FtwDevice->SpareAreaAddress = (EFI_PHYSICAL_ADDRESS) PcdGet64 (PcdFlashNvStorageFtwSpareBase64);
+  if (FtwDevice->SpareAreaAddress == 0) {
+    FtwDevice->SpareAreaAddress = (EFI_PHYSICAL_ADDRESS) PcdGet32 (PcdFlashNvStorageFtwSpareBase);
+  }
+  
+  
   //
   // Locate all handles of Fvb protocol
   //
diff --git a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
index 0f87b110fa..1376959163 100644
--- a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
+++ b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
@@ -59,8 +59,10 @@
 
 [Pcd]
   gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase
+  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase64
   gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
   gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase
+  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase64
   gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
 
 [Depex]