diff --git a/plat/st/stm32mp1/stm32mp1_common.c b/plat/st/stm32mp1/stm32mp1_common.c
index e2f90d2..68ca7db 100644
--- a/plat/st/stm32mp1/stm32mp1_common.c
+++ b/plat/st/stm32mp1/stm32mp1_common.c
@@ -43,6 +43,14 @@
 					MT_SECURE | \
 					MT_EXECUTE_NEVER)
 
+#define MAP_DDR_NS	MAP_REGION_FLAT(STM32MP1_DDR_BASE, \
+					STM32MP1_DDR_MAX_SIZE, \
+					MT_MEMORY | \
+					MT_RW | \
+					MT_NS | \
+					MT_EXECUTE_NEVER)
+
+#if defined(IMAGE_BL2)
 static const mmap_region_t stm32mp1_mmap[] = {
 	MAP_SRAM,
 	MAP_DEVICE1,
@@ -50,6 +58,16 @@
 	MAP_DDR,
 	{0}
 };
+#endif
+#if defined(IMAGE_BL32)
+static const mmap_region_t stm32mp1_mmap[] = {
+	MAP_SRAM,
+	MAP_DEVICE1,
+	MAP_DEVICE2,
+	MAP_DDR_NS,
+	{0}
+};
+#endif
 
 void configure_mmu(void)
 {