diff --git a/bl1/bl1_main.c b/bl1/bl1_main.c
index dbf6c9d..57a8a1a 100644
--- a/bl1/bl1_main.c
+++ b/bl1/bl1_main.c
@@ -35,8 +35,7 @@
 #include <platform.h>
 #include <semihosting.h>
 #include <bl1.h>
-
-void bl1_arch_next_el_setup(void);
+#include "bl1_private.h"
 
 /*******************************************************************************
  * Function to perform late architectural and platform specific initialization.
diff --git a/bl1/bl1_private.h b/bl1/bl1_private.h
new file mode 100644
index 0000000..b2ebf21
--- /dev/null
+++ b/bl1/bl1_private.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __BL1_PRIVATE_H__
+#define __BL1_PRIVATE_H__
+
+/******************************************
+ * Function prototypes
+ *****************************************/
+extern void bl1_arch_setup(void);
+extern void bl1_arch_next_el_setup(void);
+
+#endif /* __BL1_PRIVATE_H__ */