diff --git a/src/soc/intel/braswell/southcluster.c b/src/soc/intel/braswell/southcluster.c
index 3cd2208..22fe853 100644
--- a/src/soc/intel/braswell/southcluster.c
+++ b/src/soc/intel/braswell/southcluster.c
@@ -17,6 +17,7 @@
  */
 
 #include <arch/io.h>
+#include <device/mmio.h>
 #include <device/pci_ops.h>
 #include <arch/acpi.h>
 #include <arch/acpigen.h>