diff --git a/board/renesas/grpeach/grpeach.c b/board/renesas/grpeach/grpeach.c
index 4f901ee..ba90460 100644
--- a/board/renesas/grpeach/grpeach.c
+++ b/board/renesas/grpeach/grpeach.c
@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <asm/io.h>
 #include <asm/arch/sys_proto.h>