diff --git a/include/common/bl_common.h b/include/common/bl_common.h
index 9945e3a..0959c89 100644
--- a/include/common/bl_common.h
+++ b/include/common/bl_common.h
@@ -90,6 +90,18 @@
 	(_p)->h.attr = (uint32_t)(_attr) ; \
 	} while (0)
 
+/*******************************************************************************
+ * Constant that indicates if this is the first version of the reset handler
+ * contained in an image. This will be the case when the image is BL1 or when
+ * its BL3-1 and RESET_TO_BL31 is true. This constant enables a subsequent
+ * version of the reset handler to perform actions that override the ones
+ * performed in the first version of the code. This will be required when the
+ * first version exists in an un-modifiable image e.g. a BootROM image.
+ ******************************************************************************/
+#if IMAGE_BL1 || (IMAGE_BL31 && RESET_TO_BL31)
+#define FIRST_RESET_HANDLER_CALL
+#endif
+
 #ifndef __ASSEMBLY__
 #include <cdefs.h> /* For __dead2 */
 #include <cassert.h>