diff --git a/plat/st/stm32mp1/include/platform_def.h b/plat/st/stm32mp1/include/platform_def.h
index 1e9443e..511a0e2 100644
--- a/plat/st/stm32mp1/include/platform_def.h
+++ b/plat/st/stm32mp1/include/platform_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -68,6 +68,13 @@
 #define BL2_LIMIT			(STM32MP_BL2_BASE + \
 					 STM32MP_BL2_SIZE)
 
+#define BL2_RO_BASE			STM32MP_BL2_RO_BASE
+#define BL2_RO_LIMIT			(STM32MP_BL2_RO_BASE + \
+					 STM32MP_BL2_RO_SIZE)
+
+#define BL2_RW_BASE			STM32MP_BL2_RW_BASE
+#define BL2_RW_LIMIT			(STM32MP_BL2_RW_BASE + \
+					 STM32MP_BL2_RW_SIZE)
 /*******************************************************************************
  * BL32 specific defines.
  ******************************************************************************/