diff --git a/drivers/ddr/altera/sdram_n5x.c b/drivers/ddr/altera/sdram_n5x.c
index db09986..d903944 100644
--- a/drivers/ddr/altera/sdram_n5x.c
+++ b/drivers/ddr/altera/sdram_n5x.c
@@ -4,6 +4,7 @@
  *
  */
 
+#include <common.h>
 #include <clk.h>
 #include <div64.h>
 #include <dm.h>