diff --git a/board/cavium/thunderx/thunderx.c b/board/cavium/thunderx/thunderx.c
index 940455d..687ade5 100644
--- a/board/cavium/thunderx/thunderx.c
+++ b/board/cavium/thunderx/thunderx.c
@@ -4,6 +4,7 @@
 **/
 
 #include <common.h>
+#include <cpu_func.h>
 #include <dm.h>
 #include <init.h>
 #include <malloc.h>