diff --git a/board/beckhoff/mx53cx9020/mx53cx9020.c b/board/beckhoff/mx53cx9020/mx53cx9020.c
index 9450d92..1b1b688 100644
--- a/board/beckhoff/mx53cx9020/mx53cx9020.c
+++ b/board/beckhoff/mx53cx9020/mx53cx9020.c
@@ -8,6 +8,7 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/iomux-mx53.h>