diff --git a/include/plat/arm/common/arm_def.h b/include/plat/arm/common/arm_def.h
index b419c85..5bd53f3 100644
--- a/include/plat/arm/common/arm_def.h
+++ b/include/plat/arm/common/arm_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -395,13 +395,21 @@
 /*******************************************************************************
  * BL31 specific defines.
  ******************************************************************************/
-#if ARM_BL31_IN_DRAM
+#if ARM_BL31_IN_DRAM || SEPARATE_NOBITS_REGION
 /*
  * Put BL31 at the bottom of TZC secured DRAM
  */
 #define BL31_BASE			ARM_AP_TZC_DRAM1_BASE
 #define BL31_LIMIT			(ARM_AP_TZC_DRAM1_BASE +	\
 						PLAT_ARM_MAX_BL31_SIZE)
+/*
+ * For SEPARATE_NOBITS_REGION, BL31 PROGBITS are loaded in TZC secured DRAM.
+ * And BL31 NOBITS are loaded in Trusted SRAM such that BL2 is overwritten.
+ */
+#if SEPARATE_NOBITS_REGION
+#define BL31_NOBITS_BASE		BL2_BASE
+#define BL31_NOBITS_LIMIT		BL2_LIMIT
+#endif /* SEPARATE_NOBITS_REGION */
 #elif (RESET_TO_BL31)
 /* Ensure Position Independent support (PIE) is enabled for this config.*/
 # if !ENABLE_PIE