1 /** 2 ****************************************************************************** 3 * @file stm32u5xx_ll_pka.c 4 * @author MCD Application Team 5 * @brief PKA LL module driver. 6 ****************************************************************************** 7 * @attention 8 * 9 * Copyright (c) 2021 STMicroelectronics. 10 * All rights reserved. 11 * 12 * This software is licensed under terms that can be found in the LICENSE file 13 * in the root directory of this software component. 14 * If no LICENSE file comes with this software, it is provided AS-IS. 15 * 16 ****************************************************************************** 17 */ 18 #if defined(USE_FULL_LL_DRIVER) 19 20 /* Includes ------------------------------------------------------------------*/ 21 #include "stm32u5xx_ll_pka.h" 22 #include "stm32u5xx_ll_bus.h" 23 24 #ifdef USE_FULL_ASSERT 25 #include "stm32_assert.h" 26 #else 27 #define assert_param(expr) ((void)0U) 28 #endif /* USE_FULL_ASSERT */ 29 30 /** @addtogroup STM32U5xx_LL_Driver 31 * @{ 32 */ 33 34 #if defined(PKA) 35 36 /** @addtogroup PKA_LL 37 * @{ 38 */ 39 40 /* Private types -------------------------------------------------------------*/ 41 /* Private variables ---------------------------------------------------------*/ 42 /* Private constants ---------------------------------------------------------*/ 43 /* Private macros ------------------------------------------------------------*/ 44 /** @defgroup PKA_LL_Private_Macros PKA Private Constants 45 * @{ 46 */ 47 #define IS_LL_PKA_MODE(__VALUE__) (((__VALUE__)== LL_PKA_MODE_MODULAR_EXP) ||\ 48 ((__VALUE__) == LL_PKA_MODE_MONTGOMERY_PARAM) ||\ 49 ((__VALUE__) == LL_PKA_MODE_MODULAR_EXP_FAST) ||\ 50 ((__VALUE__) == LL_PKA_MODE_MODULAR_EXP_PROTECT) ||\ 51 ((__VALUE__) == LL_PKA_MODE_ECC_MUL) ||\ 52 ((__VALUE__) == LL_PKA_MODE_ECC_COMPLETE_ADD) ||\ 53 ((__VALUE__) == LL_PKA_MODE_ECDSA_SIGNATURE) ||\ 54 ((__VALUE__) == LL_PKA_MODE_ECDSA_VERIFICATION) ||\ 55 ((__VALUE__) == LL_PKA_MODE_POINT_CHECK) ||\ 56 ((__VALUE__) == LL_PKA_MODE_RSA_CRT_EXP) ||\ 57 ((__VALUE__) == LL_PKA_MODE_MODULAR_INV) ||\ 58 ((__VALUE__) == LL_PKA_MODE_ARITHMETIC_ADD) ||\ 59 ((__VALUE__) == LL_PKA_MODE_ARITHMETIC_SUB) ||\ 60 ((__VALUE__) == LL_PKA_MODE_ARITHMETIC_MUL) ||\ 61 ((__VALUE__) == LL_PKA_MODE_COMPARISON) ||\ 62 ((__VALUE__) == LL_PKA_MODE_MODULAR_REDUC) ||\ 63 ((__VALUE__) == LL_PKA_MODE_MODULAR_ADD) ||\ 64 ((__VALUE__) == LL_PKA_MODE_MODULAR_SUB) ||\ 65 ((__VALUE__) == LL_PKA_MODE_MONTGOMERY_MUL) ||\ 66 ((__VALUE__) == LL_PKA_MODE_DOUBLE_BASE_LADDER) ||\ 67 ((__VALUE__) == LL_PKA_MODE_ECC_PROJECTIVE_AFF)) 68 /** 69 * @} 70 */ 71 72 /* Private function prototypes -----------------------------------------------*/ 73 74 /* Exported functions --------------------------------------------------------*/ 75 /** @addtogroup PKA_LL_Exported_Functions 76 * @{ 77 */ 78 79 /** @addtogroup PKA_LL_EF_Init 80 * @{ 81 */ 82 83 /** 84 * @brief De-initialize PKA registers (Registers restored to their default values). 85 * @param PKAx PKA Instance. 86 * @retval ErrorStatus 87 * - SUCCESS: PKA registers are de-initialized 88 * - ERROR: PKA registers are not de-initialized 89 */ LL_PKA_DeInit(const PKA_TypeDef * PKAx)90ErrorStatus LL_PKA_DeInit(const PKA_TypeDef *PKAx) 91 { 92 ErrorStatus status = SUCCESS; 93 94 /* Check the parameters */ 95 assert_param(IS_PKA_ALL_INSTANCE(PKAx)); 96 97 if (PKAx == PKA) 98 { 99 /* Force PKA reset */ 100 LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_PKA); 101 102 /* Release PKA reset */ 103 LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_PKA); 104 } 105 else 106 { 107 status = ERROR; 108 } 109 110 return (status); 111 } 112 113 /** 114 * @brief Initialize PKA registers according to the specified parameters in PKA_InitStruct. 115 * @param PKAx PKA Instance. 116 * @param PKA_InitStruct pointer to a @ref LL_PKA_InitTypeDef structure 117 * that contains the configuration information for the specified PKA peripheral. 118 * @retval ErrorStatus 119 * - SUCCESS: PKA registers are initialized according to PKA_InitStruct content 120 * - ERROR: Not applicable 121 */ LL_PKA_Init(PKA_TypeDef * PKAx,LL_PKA_InitTypeDef * PKA_InitStruct)122ErrorStatus LL_PKA_Init(PKA_TypeDef *PKAx, LL_PKA_InitTypeDef *PKA_InitStruct) 123 { 124 assert_param(IS_PKA_ALL_INSTANCE(PKAx)); 125 assert_param(IS_LL_PKA_MODE(PKA_InitStruct->Mode)); 126 127 LL_PKA_Config(PKAx, PKA_InitStruct->Mode); 128 129 return (SUCCESS); 130 } 131 132 /** 133 * @brief Set each @ref LL_PKA_InitTypeDef field to default value. 134 * @param PKA_InitStruct pointer to a @ref LL_PKA_InitTypeDef structure 135 * whose fields will be set to default values. 136 * @retval None 137 */ 138 LL_PKA_StructInit(LL_PKA_InitTypeDef * PKA_InitStruct)139void LL_PKA_StructInit(LL_PKA_InitTypeDef *PKA_InitStruct) 140 { 141 /* Reset PKA init structure parameters values */ 142 PKA_InitStruct->Mode = LL_PKA_MODE_MODULAR_EXP; 143 } 144 145 /** 146 * @} 147 */ 148 149 /** 150 * @} 151 */ 152 153 /** 154 * @} 155 */ 156 157 #endif /* defined (PKA) */ 158 159 /** 160 * @} 161 */ 162 163 #endif /* USE_FULL_LL_DRIVER */ 164
