diff --git a/include/plat/arm/common/arm_def.h b/include/plat/arm/common/arm_def.h
index 5c03feb..4a50c1c 100644
--- a/include/plat/arm/common/arm_def.h
+++ b/include/plat/arm/common/arm_def.h
@@ -310,6 +310,14 @@
 # error "Unsupported ARM_TSP_RAM_LOCATION_ID value"
 #endif
 
+/*******************************************************************************
+ * FWU Images: NS_BL1U, BL2U & NS_BL2U defines.
+ ******************************************************************************/
+#define BL2U_BASE			BL2_BASE
+#define BL2U_LIMIT			BL31_BASE
+#define NS_BL2U_BASE			ARM_NS_DRAM1_BASE
+#define NS_BL1U_BASE			(V2M_FLASH0_BASE + 0x03EB8000)
+
 /*
  * ID of the secure physical generic timer interrupt used by the TSP.
  */
diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index f0b3ff6..f8541c7 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -174,6 +174,8 @@
 /* TSP utility functions */
 void arm_tsp_early_platform_setup(void);
 
+/* FIP TOC validity check */
+int arm_io_is_toc_valid(void);
 
 /*
  * Mandatory functions required in ARM standard platforms