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diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_mpuinit.h b/nuttx/arch/arm/src/lpc17xx/lpc17_mpuinit.h
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index 000000000..4d0e6944f
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+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_mpuinit.h
@@ -0,0 +1,90 @@
+/************************************************************************************
+ * arch/arm/src/lpc17xx/lpc17_mpuinit.h
+ *
+ *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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_LPC17XX_LPC17_MPUINIT_H
+#define __ARCH_ARM_SRC_LPC17XX_LPC17_MPUINIT_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/****************************************************************************
+ * Name: lpc17_mpuinitialize
+ *
+ * Description:
+ *   Configure the MPU to permit user-space access to only unrestricted MCU
+ *   resources.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_NUTTX_KERNEL
+void lpc17_mpuinitialize(void);
+#else
+#  define lpc17_mpuinitialize()
+#endif
+
+/****************************************************************************
+ * Name: lpc17_mpu_uheap
+ *
+ * Description:
+ *  Map the user heap region.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_NUTTX_KERNEL
+void lpc17_mpu_uheap(uintptr_t start, size_t size);
+#else
+#  define lpc17_mpu_uheap(start,size)
+#endif
+
+#endif /* __ARCH_ARM_SRC_LPC17XX_LPC17_MPUINIT_H */