diff --git a/arch/arm/src/sam3u/sam3u_gpbr.h b/arch/arm/src/sam3u/sam3u_gpbr.h
new file mode 100755
index 0000000000..e3ac0c1281
--- /dev/null
+++ b/arch/arm/src/sam3u/sam3u_gpbr.h
@@ -0,0 +1,90 @@
+/****************************************************************************************
+ * arch/arm/src/sam3u/sam3u_gpbr.h
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name NuttX 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 OWNER 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 __ARCH_ARM_SRC_SAM3U_SAM3U_GPBR_H
+#define __ARCH_ARM_SRC_SAM3U_SAM3U_GPBR_H
+
+/****************************************************************************************
+ * Included Files
+ ****************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include "chip.h"
+#include "sam3u_memorymap.h"
+
+/****************************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************************/
+
+/* GPBR register offsets ****************************************************************/
+
+#define SAM3U_GPBR_OFFSET(n)  ((n)<<2) /* General purpose back-up registers */
+#define SAM3U_GPBR0_OFFSET    0x00
+#define SAM3U_GPBR1_OFFSET    0x04
+#define SAM3U_GPBR2_OFFSET    0x08
+#define SAM3U_GPBR3_OFFSET    0x0c
+#define SAM3U_GPBR4_OFFSET    0x10
+#define SAM3U_GPBR5_OFFSET    0x14
+#define SAM3U_GPBR6_OFFSET    0x18
+#define SAM3U_GPBR7_OFFSET    0x1c
+
+/* GPBR register adresses ***************************************************************/
+
+#define SAM3U_GPBR(n))        (SAM3U_GPBR_BASE+SAM3U_GPBR_OFFSET(n))
+#define SAM3U_GPBR0           (SAM3U_GPBR_BASE+SAM3U_GPBR0_OFFSET)
+#define SAM3U_GPBR1           (SAM3U_GPBR_BASE+SAM3U_GPBR1_OFFSET)
+#define SAM3U_GPBR2           (SAM3U_GPBR_BASE+SAM3U_GPBR2_OFFSET)
+#define SAM3U_GPBR3           (SAM3U_GPBR_BASE+SAM3U_GPBR3_OFFSET)
+#define SAM3U_GPBR4           (SAM3U_GPBR_BASE+SAM3U_GPBR4_OFFSET)
+#define SAM3U_GPBR5           (SAM3U_GPBR_BASE+SAM3U_GPBR5_OFFSET)
+#define SAM3U_GPBR6           (SAM3U_GPBR_BASE+SAM3U_GPBR6_OFFSET)
+#define SAM3U_GPBR7           (SAM3U_GPBR_BASE+SAM3U_GPBR7_OFFSET)
+
+/* GPBR register bit definitions ********************************************************/
+
+/****************************************************************************************
+ * Public Types
+ ****************************************************************************************/
+
+/****************************************************************************************
+ * Public Data
+ ****************************************************************************************/
+
+/****************************************************************************************
+ * Public Functions
+ ****************************************************************************************/
+
+#endif /* __ARCH_ARM_SRC_SAM3U_SAM3U_GPBR_H */