diff --git a/plat/arm/board/common/board_css_common.c b/plat/arm/board/common/board_css_common.c
index 9af73f2..62253f8 100644
--- a/plat/arm/board/common/board_css_common.c
+++ b/plat/arm/board/common/board_css_common.c
@@ -60,6 +60,14 @@
 	{0}
 };
 #endif
+#if IMAGE_BL2U
+const mmap_region_t plat_arm_mmap[] = {
+	ARM_MAP_SHARED_RAM,
+	CSS_MAP_DEVICE,
+	SOC_CSS_MAP_DEVICE,
+	{0}
+};
+#endif
 #if IMAGE_BL31
 const mmap_region_t plat_arm_mmap[] = {
 	ARM_MAP_SHARED_RAM,