1 /** 2 * \file 3 * 4 * Copyright (c) 2015 Atmel Corporation. All rights reserved. 5 * 6 * \asf_license_start 7 * 8 * \page License 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright notice, 14 * this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright notice, 17 * this list of conditions and the following disclaimer in the documentation 18 * and/or other materials provided with the distribution. 19 * 20 * 3. The name of Atmel may not be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * 4. This software may only be redistributed and used in connection with an 24 * Atmel microcontroller product. 25 * 26 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED 27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE 29 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR 30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 34 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 35 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 * 38 * \asf_license_stop 39 * 40 */ 41 /* 42 * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> 43 */ 44 45 #ifndef _SAMV71_TRNG_COMPONENT_ 46 #define _SAMV71_TRNG_COMPONENT_ 47 48 /* ============================================================================= */ 49 /** SOFTWARE API DEFINITION FOR True Random Number Generator */ 50 /* ============================================================================= */ 51 /** \addtogroup SAMV71_TRNG True Random Number Generator */ 52 /*@{*/ 53 54 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 55 /** \brief Trng hardware registers */ 56 typedef struct { 57 __O uint32_t TRNG_CR; /**< \brief (Trng Offset: 0x00) Control Register */ 58 __I uint32_t Reserved1[3]; 59 __O uint32_t TRNG_IER; /**< \brief (Trng Offset: 0x10) Interrupt Enable Register */ 60 __O uint32_t TRNG_IDR; /**< \brief (Trng Offset: 0x14) Interrupt Disable Register */ 61 __I uint32_t TRNG_IMR; /**< \brief (Trng Offset: 0x18) Interrupt Mask Register */ 62 __I uint32_t TRNG_ISR; /**< \brief (Trng Offset: 0x1C) Interrupt Status Register */ 63 __I uint32_t Reserved2[12]; 64 __I uint32_t TRNG_ODATA; /**< \brief (Trng Offset: 0x50) Output Data Register */ 65 } Trng; 66 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 67 /* -------- TRNG_CR : (TRNG Offset: 0x00) Control Register -------- */ 68 #define TRNG_CR_ENABLE (0x1u << 0) /**< \brief (TRNG_CR) Enables the TRNG to provide random values */ 69 #define TRNG_CR_KEY_Pos 8 70 #define TRNG_CR_KEY_Msk (0xffffffu << TRNG_CR_KEY_Pos) /**< \brief (TRNG_CR) Security Key. */ 71 #define TRNG_CR_KEY(value) ((TRNG_CR_KEY_Msk & ((value) << TRNG_CR_KEY_Pos))) 72 #define TRNG_CR_KEY_PASSWD (0x524E47u << 8) /**< \brief (TRNG_CR) Writing any other value in this field aborts the write operation. */ 73 /* -------- TRNG_IER : (TRNG Offset: 0x10) Interrupt Enable Register -------- */ 74 #define TRNG_IER_DATRDY (0x1u << 0) /**< \brief (TRNG_IER) Data Ready Interrupt Enable */ 75 /* -------- TRNG_IDR : (TRNG Offset: 0x14) Interrupt Disable Register -------- */ 76 #define TRNG_IDR_DATRDY (0x1u << 0) /**< \brief (TRNG_IDR) Data Ready Interrupt Disable */ 77 /* -------- TRNG_IMR : (TRNG Offset: 0x18) Interrupt Mask Register -------- */ 78 #define TRNG_IMR_DATRDY (0x1u << 0) /**< \brief (TRNG_IMR) Data Ready Interrupt Mask */ 79 /* -------- TRNG_ISR : (TRNG Offset: 0x1C) Interrupt Status Register -------- */ 80 #define TRNG_ISR_DATRDY (0x1u << 0) /**< \brief (TRNG_ISR) Data Ready */ 81 /* -------- TRNG_ODATA : (TRNG Offset: 0x50) Output Data Register -------- */ 82 #define TRNG_ODATA_ODATA_Pos 0 83 #define TRNG_ODATA_ODATA_Msk (0xffffffffu << TRNG_ODATA_ODATA_Pos) /**< \brief (TRNG_ODATA) Output Data */ 84 85 /*@}*/ 86 87 88 #endif /* _SAMV71_TRNG_COMPONENT_ */ 89