diff --git a/include/configs/sun8i.h b/include/configs/sun8i.h
index 27c9808..5636356 100644
--- a/include/configs/sun8i.h
+++ b/include/configs/sun8i.h
@@ -12,6 +12,8 @@
  * A23 specific configuration
  */
 
+#include <asm/arch/cpu.h>
+
 #ifdef SUNXI_SRAM_A2_SIZE
 /*
  * If the SoC has enough SRAM A2, use that for the secure monitor.