1 /* ---------------------------------------------------------------------------- 2 * SAM Software Package License 3 * ---------------------------------------------------------------------------- 4 * Copyright (c) 2012, Atmel Corporation 5 * 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following condition is met: 10 * 11 * - Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the disclaimer below. 13 * 14 * Atmel's name may not be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE 20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * ---------------------------------------------------------------------------- 28 */ 29 30 #ifndef _SAM3XA_TRNG_COMPONENT_ 31 #define _SAM3XA_TRNG_COMPONENT_ 32 33 /* ============================================================================= */ 34 /** SOFTWARE API DEFINITION FOR True Random Number Generator */ 35 /* ============================================================================= */ 36 /** \addtogroup SAM3XA_TRNG True Random Number Generator */ 37 /*@{*/ 38 39 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 40 /** \brief Trng hardware registers */ 41 typedef struct { 42 WoReg TRNG_CR; /**< \brief (Trng Offset: 0x00) Control Register */ 43 RoReg Reserved1[3]; 44 WoReg TRNG_IER; /**< \brief (Trng Offset: 0x10) Interrupt Enable Register */ 45 WoReg TRNG_IDR; /**< \brief (Trng Offset: 0x14) Interrupt Disable Register */ 46 RoReg TRNG_IMR; /**< \brief (Trng Offset: 0x18) Interrupt Mask Register */ 47 RoReg TRNG_ISR; /**< \brief (Trng Offset: 0x1C) Interrupt Status Register */ 48 RoReg Reserved2[12]; 49 RoReg TRNG_ODATA; /**< \brief (Trng Offset: 0x50) Output Data Register */ 50 } Trng; 51 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 52 /* -------- TRNG_CR : (TRNG Offset: 0x00) Control Register -------- */ 53 #define TRNG_CR_ENABLE (0x1u << 0) /**< \brief (TRNG_CR) Enables the TRNG to provide random values */ 54 #define TRNG_CR_KEY_Pos 8 55 #define TRNG_CR_KEY_Msk (0xffffffu << TRNG_CR_KEY_Pos) /**< \brief (TRNG_CR) Security Key */ 56 #define TRNG_CR_KEY(value) ((TRNG_CR_KEY_Msk & ((value) << TRNG_CR_KEY_Pos))) 57 /* -------- TRNG_IER : (TRNG Offset: 0x10) Interrupt Enable Register -------- */ 58 #define TRNG_IER_DATRDY (0x1u << 0) /**< \brief (TRNG_IER) Data Ready Interrupt Enable */ 59 /* -------- TRNG_IDR : (TRNG Offset: 0x14) Interrupt Disable Register -------- */ 60 #define TRNG_IDR_DATRDY (0x1u << 0) /**< \brief (TRNG_IDR) Data Ready Interrupt Disable */ 61 /* -------- TRNG_IMR : (TRNG Offset: 0x18) Interrupt Mask Register -------- */ 62 #define TRNG_IMR_DATRDY (0x1u << 0) /**< \brief (TRNG_IMR) Data Ready Interrupt Mask */ 63 /* -------- TRNG_ISR : (TRNG Offset: 0x1C) Interrupt Status Register -------- */ 64 #define TRNG_ISR_DATRDY (0x1u << 0) /**< \brief (TRNG_ISR) Data Ready */ 65 /* -------- TRNG_ODATA : (TRNG Offset: 0x50) Output Data Register -------- */ 66 #define TRNG_ODATA_ODATA_Pos 0 67 #define TRNG_ODATA_ODATA_Msk (0xffffffffu << TRNG_ODATA_ODATA_Pos) /**< \brief (TRNG_ODATA) Output Data */ 68 69 /*@}*/ 70 71 72 #endif /* _SAM3XA_TRNG_COMPONENT_ */ 73