1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright 2017-2020 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 <caam_utils_mem.h> 19 #include <initcall.h> 20 #include <kernel/panic.h> 21 #include <tee_api_types.h> 22 23 /* Crypto driver initialization */ 24 static 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 retstatus = caam_hal_cfg_get_conf(&jrcfg); 34 if (retstatus != CAAM_NO_ERROR) { 35 retresult = TEE_ERROR_NOT_SUPPORTED; 36 goto exit_init; 37 } 38 39 /* Initialize the CAAM Controller */ 40 caam_hal_ctrl_init(jrcfg.base); 41 42 /* Initialize the Job Ring to be used */ 43 retstatus = caam_jr_init(&jrcfg); 44 if (retstatus != CAAM_NO_ERROR) { 45 retresult = TEE_ERROR_GENERIC; 46 goto exit_init; 47 } 48 49 /* Initialize the RNG Module */ 50 retstatus = caam_rng_init(jrcfg.base); 51 if (retstatus != CAAM_NO_ERROR) { 52 retresult = TEE_ERROR_GENERIC; 53 goto exit_init; 54 } 55 56 /* Initialize the Hash Module */ 57 retstatus = caam_hash_init(jrcfg.base); 58 if (retstatus != CAAM_NO_ERROR) { 59 retresult = TEE_ERROR_GENERIC; 60 goto exit_init; 61 } 62 63 /* Initialize the MATH Module */ 64 retstatus = caam_math_init(jrcfg.base); 65 if (retstatus != CAAM_NO_ERROR) { 66 retresult = TEE_ERROR_GENERIC; 67 goto exit_init; 68 } 69 70 /* Initialize the RSA Module */ 71 retstatus = caam_rsa_init(jrcfg.base); 72 if (retstatus != CAAM_NO_ERROR) { 73 retresult = TEE_ERROR_GENERIC; 74 goto exit_init; 75 } 76 77 /* Initialize the Cipher Module */ 78 retstatus = caam_cipher_init(jrcfg.base); 79 if (retstatus != CAAM_NO_ERROR) { 80 retresult = TEE_ERROR_GENERIC; 81 goto exit_init; 82 } 83 84 /* Initialize the HMAC Module */ 85 retstatus = caam_hmac_init(jrcfg.base); 86 if (retstatus != CAAM_NO_ERROR) { 87 retresult = TEE_ERROR_GENERIC; 88 goto exit_init; 89 } 90 91 /* Initialize the BLOB Module */ 92 retstatus = caam_blob_mkvb_init(jrcfg.base); 93 if (retstatus != CAAM_NO_ERROR) { 94 retresult = TEE_ERROR_GENERIC; 95 goto exit_init; 96 } 97 98 /* Initialize the CMAC Module */ 99 retstatus = caam_cmac_init(jrcfg.base); 100 if (retstatus != CAAM_NO_ERROR) { 101 retresult = TEE_ERROR_GENERIC; 102 goto exit_init; 103 } 104 105 /* Everything is OK, register the Power Management handler */ 106 caam_pwr_init(); 107 108 /* 109 * Configure Job Rings to NS World 110 * If the Driver Crypto is not used CFG_NXP_CAAM_RUNTIME_JR is not 111 * enable, hence relax the JR used for the CAAM configuration to 112 * the Non-Secure 113 */ 114 if (jrcfg.base) 115 caam_hal_cfg_setup_nsjobring(&jrcfg); 116 117 retresult = TEE_SUCCESS; 118 exit_init: 119 if (retresult != TEE_SUCCESS) { 120 EMSG("CAAM Driver initialization (0x%" PRIx32 ")", retresult); 121 panic(); 122 } 123 124 return retresult; 125 } 126 127 early_init(crypto_driver_init); 128 129 /* Crypto driver late initialization to complete on-going CAAM operations */ 130 static TEE_Result init_caam_late(void) 131 { 132 enum caam_status ret = CAAM_BUSY; 133 134 ret = caam_jr_complete(); 135 136 if (ret != CAAM_NO_ERROR) { 137 EMSG("CAAM initialization failed"); 138 panic(); 139 } 140 141 return TEE_SUCCESS; 142 } 143 144 early_init_late(init_caam_late); 145