1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright 2017-2021 NXP 4 * 5 * Brief CAAM Global Controller. 6 */ 7 #include <caam_acipher.h> 8 #include <caam_cipher.h> 9 #include <caam_common.h> 10 #include <caam_hal_cfg.h> 11 #include <caam_hal_clk.h> 12 #include <caam_hal_ctrl.h> 13 #include <caam_hash.h> 14 #include <caam_jr.h> 15 #include <caam_blob.h> 16 #include <caam_pwr.h> 17 #include <caam_rng.h> 18 #include <drivers/imx_snvs.h> 19 #include <initcall.h> 20 #include <kernel/panic.h> 21 #include <tee_api_types.h> 22 23 /* Crypto driver initialization */ crypto_driver_init(void)24static TEE_Result crypto_driver_init(void) 25 { 26 TEE_Result retresult = TEE_ERROR_GENERIC; 27 enum caam_status retstatus = CAAM_FAILURE; 28 struct caam_jrcfg jrcfg = {}; 29 30 /* Enable the CAAM Clock */ 31 caam_hal_clk_enable(true); 32 33 /* Set OTP as master key if the platform is closed */ 34 if (snvs_is_device_closed()) { 35 retresult = imx_snvs_set_master_otpmk(); 36 if (retresult && retresult != TEE_ERROR_NOT_IMPLEMENTED) 37 goto exit_init; 38 } 39 40 retstatus = caam_hal_cfg_get_conf(&jrcfg); 41 if (retstatus != CAAM_NO_ERROR) { 42 retresult = TEE_ERROR_NOT_SUPPORTED; 43 goto exit_init; 44 } 45 46 /* Initialize the CAAM Controller */ 47 caam_hal_ctrl_init(jrcfg.base); 48 49 /* Initialize the Job Ring to be used */ 50 retstatus = caam_jr_init(&jrcfg); 51 if (retstatus != CAAM_NO_ERROR) { 52 retresult = TEE_ERROR_GENERIC; 53 goto exit_init; 54 } 55 56 /* Initialize the RNG Module */ 57 retstatus = caam_rng_init(jrcfg.base); 58 if (retstatus != CAAM_NO_ERROR) { 59 retresult = TEE_ERROR_GENERIC; 60 goto exit_init; 61 } 62 63 /* Initialize the Hash Module */ 64 retstatus = caam_hash_init(&jrcfg); 65 if (retstatus != CAAM_NO_ERROR) { 66 retresult = TEE_ERROR_GENERIC; 67 goto exit_init; 68 } 69 70 /* Initialize the MATH Module */ 71 retstatus = caam_math_init(&jrcfg); 72 if (retstatus != CAAM_NO_ERROR) { 73 retresult = TEE_ERROR_GENERIC; 74 goto exit_init; 75 } 76 77 /* Initialize the RSA Module */ 78 retstatus = caam_rsa_init(&jrcfg); 79 if (retstatus != CAAM_NO_ERROR) { 80 retresult = TEE_ERROR_GENERIC; 81 goto exit_init; 82 } 83 84 /* Initialize the Cipher Module */ 85 retstatus = caam_cipher_init(jrcfg.base); 86 if (retstatus != CAAM_NO_ERROR) { 87 retresult = TEE_ERROR_GENERIC; 88 goto exit_init; 89 } 90 91 /* Initialize the HMAC Module */ 92 retstatus = caam_hmac_init(&jrcfg); 93 if (retstatus != CAAM_NO_ERROR) { 94 retresult = TEE_ERROR_GENERIC; 95 goto exit_init; 96 } 97 98 /* Initialize the BLOB Module */ 99 retstatus = caam_blob_mkvb_init(jrcfg.base); 100 if (retstatus != CAAM_NO_ERROR) { 101 retresult = TEE_ERROR_GENERIC; 102 goto exit_init; 103 } 104 105 /* Initialize the CMAC Module */ 106 retstatus = caam_cmac_init(jrcfg.base); 107 if (retstatus != CAAM_NO_ERROR) { 108 retresult = TEE_ERROR_GENERIC; 109 goto exit_init; 110 } 111 112 /* Initialize the ECC Module */ 113 retstatus = caam_ecc_init(&jrcfg); 114 if (retstatus != CAAM_NO_ERROR) { 115 retresult = TEE_ERROR_GENERIC; 116 goto exit_init; 117 } 118 119 /* Initialize the DH Module */ 120 retstatus = caam_dh_init(&jrcfg); 121 if (retstatus != CAAM_NO_ERROR) { 122 retresult = TEE_ERROR_GENERIC; 123 goto exit_init; 124 } 125 126 /* Initialize the DSA Module */ 127 retstatus = caam_dsa_init(&jrcfg); 128 if (retstatus != CAAM_NO_ERROR) { 129 retresult = TEE_ERROR_GENERIC; 130 goto exit_init; 131 } 132 133 /* Everything is OK, register the Power Management handler */ 134 caam_pwr_init(); 135 136 /* 137 * Configure Job Rings to NS World 138 * If the Driver Crypto is not used CFG_NXP_CAAM_RUNTIME_JR is not 139 * enable, hence relax the JR used for the CAAM configuration to 140 * the Non-Secure 141 */ 142 if (jrcfg.base) 143 caam_hal_cfg_setup_nsjobring(&jrcfg); 144 145 retresult = TEE_SUCCESS; 146 exit_init: 147 if (retresult != TEE_SUCCESS) { 148 EMSG("CAAM Driver initialization (0x%" PRIx32 ")", retresult); 149 panic(); 150 } 151 152 return retresult; 153 } 154 155 early_init(crypto_driver_init); 156 157 /* Crypto driver late initialization to complete on-going CAAM operations */ init_caam_late(void)158static TEE_Result init_caam_late(void) 159 { 160 enum caam_status ret = CAAM_BUSY; 161 162 ret = caam_jr_complete(); 163 164 if (ret != CAAM_NO_ERROR) { 165 EMSG("CAAM initialization failed"); 166 panic(); 167 } 168 169 return TEE_SUCCESS; 170 } 171 172 early_init_late(init_caam_late); 173