diff --git a/include/plat/arm/common/arm_def.h b/include/plat/arm/common/arm_def.h
index c018643..00746c6 100644
--- a/include/plat/arm/common/arm_def.h
+++ b/include/plat/arm/common/arm_def.h
@@ -497,9 +497,9 @@
 # elif defined(SPD_spmd)
 #  define TSP_SEC_MEM_BASE		(ARM_AP_TZC_DRAM1_BASE + ULL(0x200000))
 #  define TSP_SEC_MEM_SIZE		(ARM_AP_TZC_DRAM1_SIZE - ULL(0x200000))
-#  define BL32_BASE			PLAT_ARM_TRUSTED_DRAM_BASE
-#  define BL32_LIMIT			(PLAT_ARM_TRUSTED_DRAM_BASE	\
-						+ (UL(1) << 21))
+#  define BL32_BASE			PLAT_ARM_SPMC_BASE
+#  define BL32_LIMIT			(PLAT_ARM_SPMC_BASE +		\
+						 PLAT_ARM_SPMC_SIZE)
 # elif ARM_BL31_IN_DRAM
 #  define TSP_SEC_MEM_BASE		(ARM_AP_TZC_DRAM1_BASE +	\
 						PLAT_ARM_MAX_BL31_SIZE)