diff --git a/cpu/blackfin/initcode.c b/cpu/blackfin/initcode.c
index ae0016d..3f3b479 100644
--- a/cpu/blackfin/initcode.c
+++ b/cpu/blackfin/initcode.c
@@ -264,6 +264,7 @@
 	 * the memory controller.  Older bootroms lacks such helpers
 	 * so we do it ourselves.
 	 */
+#define BOOTROM_CAPS_SYSCONTROL 0
 	if (BOOTROM_CAPS_SYSCONTROL) {
 		serial_putc('S');