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/************************************************************************************************
* arch/arm/src/lpc31xx/lpc31_rng.h
*
* Copyright (C) 2009-2010 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_LPC31XX_LPC31_RNG_H
#define __ARCH_ARM_SRC_LPC31XX_LPC31_RNG_H
/************************************************************************************************
* Included Files
************************************************************************************************/
#include <nuttx/config.h>
#include "lpc31_memorymap.h"
/************************************************************************************************
* Pre-processor Definitions
************************************************************************************************/
/* RNG register base address offset into the APB0 domain ****************************************/
#define LPC31_RNG_VBASE (LPC31_APB0_VADDR+LPC31_APB0_RNG_OFFSET)
#define LPC31_RNG_PBASE (LPC31_APB0_PADDR+LPC31_APB0_RNG_OFFSET)
/* RNG register offsets (with respect to the RNG base) ******************************************/
#define LPC31_RNG_RAND_OFFSET 0x0000 /* Random number */
#define LPC31_RNG_PWRDWN_OFFSET 0x0ff4 /* Power-down mode */
/* RNG register (virtual) addresses *************************************************************/
#define LPC31_RNG_RAND (LPC31_RNG_VBASE+LPC31_RNG_RAND_OFFSET)
#define LPC31_RNG_PWRDWN (LPC31_RNG_VBASE+LPC31_RNG_PWRDWN_OFFSET)
/* RNG register bit definitions *****************************************************************/
/* POWERDOWN, address 0x13006ff4 */
#define RNG_PWRDWN_PWRDWN (1 << 2) /* Block all accesses to standard registers */
#define RNG_PWRDWN_FORCERST (1 << 1) /* With SOFTRST forces immediate RNG reset */
#define RNG_PWRDWN_SOFTRST (1 << 0) /* Software RNG reset (delayed) */
/************************************************************************************************
* Public Types
************************************************************************************************/
/************************************************************************************************
* Public Data
************************************************************************************************/
/************************************************************************************************
* Public Functions
************************************************************************************************/
#endif /* __ARCH_ARM_SRC_LPC31XX_LPC31_RNG_H */
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