diff --git a/plat/hisilicon/hikey/hikey_private.h b/plat/hisilicon/hikey/hikey_private.h
new file mode 100644
index 0000000..a7709b2
--- /dev/null
+++ b/plat/hisilicon/hikey/hikey_private.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __HIKEY_PRIVATE_H__
+#define __HIKEY_PRIVATE_H__
+
+#include <bl_common.h>
+
+#define RANDOM_MAX		0x7fffffffffffffff
+#define RANDOM_MAGIC		0x9a4dbeaf
+
+struct random_serial_num {
+	uint64_t	magic;
+	uint64_t	data;
+	char		serialno[32];
+};
+
+/*
+ * Function and variable prototypes
+ */
+void hikey_init_mmu_el1(unsigned long total_base,
+			unsigned long total_size,
+			unsigned long ro_start,
+			unsigned long ro_limit,
+			unsigned long coh_start,
+			unsigned long coh_limit);
+void hikey_init_mmu_el3(unsigned long total_base,
+			unsigned long total_size,
+			unsigned long ro_start,
+			unsigned long ro_limit,
+			unsigned long coh_start,
+			unsigned long coh_limit);
+
+void hikey_ddr_init(void);
+void hikey_io_setup(void);
+
+int hikey_get_partition_size(const char *arg, int left, char *response);
+int hikey_get_partition_type(const char *arg, int left, char *response);
+
+int hikey_erase(const char *arg);
+int hikey_flash(const char *arg);
+int hikey_oem(const char *arg);
+int hikey_reboot(const char *arg);
+
+const char *hikey_init_serialno(void);
+int hikey_read_serialno(struct random_serial_num *serialno);
+int hikey_write_serialno(struct random_serial_num *serialno);
+
+void init_acpu_dvfs(void);
+
+#endif /* __HIKEY_PRIVATE_H__ */