diff --git a/include/lib/utils_def.h b/include/lib/utils_def.h
index a170a09..8a03c7d 100644
--- a/include/lib/utils_def.h
+++ b/include/lib/utils_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2024, Arm Limited and Contributors. All rights reserved.
  * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
@@ -53,6 +53,9 @@
 #define GENMASK				GENMASK_32
 #endif
 
+#define HI(addr)			(addr >> 32)
+#define LO(addr)			(addr & 0xffffffff)
+
 /*
  * This variant of div_round_up can be used in macro definition but should not
  * be used in C code as the `div` parameter is evaluated twice.