/************************************************************************************************ * arch/arm/src/lpc31xx/lpc31_rng.h * * Copyright (C) 2009-2010 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #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 */