diff --git a/plat/common/plat_bl1_common.c b/plat/common/plat_bl1_common.c
index 73362a1..aee9440 100644
--- a/plat/common/plat_bl1_common.c
+++ b/plat/common/plat_bl1_common.c
@@ -27,19 +27,24 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
+
+#include <arch_helpers.h>
+#include <assert.h>
 #include <bl_common.h>
 #include <debug.h>
+#include <errno.h>
 #include <platform_def.h>
 
 /*
  * The following platform functions are weakly defined. They
- * are default implementations that allow BL1  compile in
+ * are default implementations that allow BL1 to compile in
  * absence of real definitions. The Platforms may override
  * with more complex definitions.
  */
 #pragma weak bl1_plat_get_next_image_id
 #pragma weak bl1_plat_set_ep_info
 #pragma weak bl1_plat_get_image_desc
+#pragma weak bl1_plat_fwu_done
 
 
 unsigned int bl1_plat_get_next_image_id(void)
@@ -63,3 +68,21 @@
 	static image_desc_t bl2_img_desc = BL2_IMAGE_DESC;
 	return &bl2_img_desc;
 }
+
+__dead2 void bl1_plat_fwu_done(void *cookie, void *rsvd_ptr)
+{
+	while (1)
+		wfi();
+}
+
+/*
+ * The Platforms must override with real definition.
+ */
+#pragma weak bl1_plat_mem_check
+
+int bl1_plat_mem_check(uintptr_t mem_base, unsigned int mem_size,
+		unsigned int flags)
+{
+	assert(0);
+	return -ENOMEM;
+}