diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c
index 688bc0f..f026abf 100644
--- a/arch/arm/mach-rockchip/board.c
+++ b/arch/arm/mach-rockchip/board.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <dm.h>
 #include <ram.h>
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;