Drivers/OpTee: address cast build warning issue in 32b mode

Use (UINTN) cast to cast physical or virtual address values to the
pointer size before casting from/to a pointer value.

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>

Author: etienne-lms

Drivers/OpTee/OpteeRpmbPkg/OpTeeRpmbFvb.c

@@ -305,7 +305,8 @@ OpTeeRpmbFvbRead (
     }
   }
 
-  Base = (VOID *)Instance->MemBaseAddress + (Lba * Instance->BlockSize) + Offset;
+  Base = (VOID *)(UINTN)Instance->MemBaseAddress + (Lba * Instance->BlockSize) +
+         Offset;
   // We could read the data from the RPMB instead of memory
   // The 2 copies should already be identical
   // Copy from memory image
@@ -387,7 +388,8 @@ OpTeeRpmbFvbWrite (
       return Status;
     }
   }
-  Base = (VOID *)Instance->MemBaseAddress + Lba * Instance->BlockSize + Offset;
+  Base = (VOID *)(UINTN)Instance->MemBaseAddress + (Lba * Instance->BlockSize) +
+         Offset;
   Status = ReadWriteRpmb (
              SP_SVC_RPMB_WRITE,
              (UINTN)Buffer,
@@ -477,7 +479,8 @@ OpTeeRpmbFvbErase (
       return EFI_INVALID_PARAMETER;
     }
     NumBytes = NumLba * Instance->BlockSize;
-    Base = (VOID *)Instance->MemBaseAddress + Start * Instance->BlockSize;
+    Base = (VOID *)(UINTN)Instance->MemBaseAddress +
+           (Start * Instance->BlockSize);
     Buf = AllocatePool (NumLba * Instance->BlockSize);
     if (Buf == NULL) {
       return EFI_DEVICE_ERROR;
@@ -689,7 +692,7 @@ InitializeFvAndVariableStoreHeaders (
     goto Exit;
   }
   // Install the combined header in memory
-  CopyMem ((VOID*)Instance->MemBaseAddress, Headers, HeadersLength);
+  CopyMem ((VOID*)(UINTN)Instance->MemBaseAddress, Headers, HeadersLength);
 
 Exit:
   FreePool (Headers);
@@ -747,14 +750,18 @@ FvbInitialize (
   // Read the file from disk and copy it to memory
   ReadEntireFlash (Instance);
 
-  FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *)Instance->MemBaseAddress;
+  FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)Instance->MemBaseAddress;
   Status = ValidateFvHeader (FwVolHeader);
   if (EFI_ERROR (Status)) {
     // There is no valid header, so time to install one.
     DEBUG ((DEBUG_INFO, "%a: The FVB Header is not valid.\n", __FUNCTION__));
 
     // Reset memory
-    SetMem64 ((VOID *)Instance->MemBaseAddress, Instance->NBlocks * Instance->BlockSize, ~0UL);
+    SetMem64 (
+      (VOID *)(UINTN)Instance->MemBaseAddress,
+      Instance->NBlocks * Instance->BlockSize,
+      ~0UL
+      );
     DEBUG ((DEBUG_INFO, "%a: Erasing Flash.\n", __FUNCTION__));
     Status = ReadWriteRpmb (
                SP_SVC_RPMB_WRITE,
@@ -827,7 +834,7 @@ OpTeeRpmbFvbInit (
   mInstance.FvbProtocol.Write              = OpTeeRpmbFvbWrite;
   mInstance.FvbProtocol.Read               = OpTeeRpmbFvbRead;
 
-  mInstance.MemBaseAddress = (EFI_PHYSICAL_ADDRESS)Addr;
+  mInstance.MemBaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Addr;
   mInstance.Signature      = FLASH_SIGNATURE;
   mInstance.Initialize     = FvbInitialize;
   mInstance.BlockSize      = EFI_PAGE_SIZE;