diff --git a/plat/arm/board/common/board_css_common.c b/plat/arm/board/common/board_css_common.c
index 032ebdf..c1c3e66 100644
--- a/plat/arm/board/common/board_css_common.c
+++ b/plat/arm/board/common/board_css_common.c
@@ -14,7 +14,7 @@
 #ifdef IMAGE_BL1
 const mmap_region_t plat_arm_mmap[] = {
 	ARM_MAP_SHARED_RAM,
-	V2M_MAP_FLASH0_RO,
+	V2M_MAP_FLASH0_RW,
 	V2M_MAP_IOFPGA,
 	CSS_MAP_DEVICE,
 	SOC_CSS_MAP_DEVICE,
@@ -28,7 +28,7 @@
 #ifdef IMAGE_BL2
 const mmap_region_t plat_arm_mmap[] = {
 	ARM_MAP_SHARED_RAM,
-	V2M_MAP_FLASH0_RO,
+	V2M_MAP_FLASH0_RW,
 #ifdef PLAT_ARM_MEM_PROT_ADDR
 	ARM_V2M_MAP_MEM_PROTECT,
 #endif