diff --git a/plat/allwinner/common/sunxi_private.h b/plat/allwinner/common/sunxi_private.h
new file mode 100644
index 0000000..34e5639
--- /dev/null
+++ b/plat/allwinner/common/sunxi_private.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __SUNXI_PRIVATE_H__
+#define __SUNXI_PRIVATE_H__
+
+void sunxi_configure_mmu_el3(int flags);
+
+#endif /* __SUNXI_PRIVATE_H__ */