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_pwr.h> 16 #include <caam_rng.h> 17 #include <caam_utils_mem.h> 18 #include <initcall.h> 19 #include <kernel/panic.h> 20 #include <tee_api_types.h> 21 22 /* Crypto driver initialization */ 23 static TEE_Result crypto_driver_init(void) 24 { 25 TEE_Result retresult = TEE_ERROR_GENERIC; 26 enum caam_status retstatus = CAAM_FAILURE; 27 struct caam_jrcfg jrcfg = {}; 28 29 /* Enable the CAAM Clock */ 30 caam_hal_clk_enable(true); 31 32 retstatus = caam_hal_cfg_get_conf(&jrcfg); 33 if (retstatus != CAAM_NO_ERROR) { 34 retresult = TEE_ERROR_NOT_SUPPORTED; 35 goto exit_init; 36 } 37 38 /* Initialize the CAAM Controller */ 39 caam_hal_ctrl_init(jrcfg.base); 40 41 /* Initialize the Job Ring to be used */ 42 retstatus = caam_jr_init(&jrcfg); 43 if (retstatus != CAAM_NO_ERROR) { 44 retresult = TEE_ERROR_GENERIC; 45 goto exit_init; 46 } 47 48 /* Initialize the RNG Module */ 49 retstatus = caam_rng_init(jrcfg.base); 50 if (retstatus != CAAM_NO_ERROR) { 51 retresult = TEE_ERROR_GENERIC; 52 goto exit_init; 53 } 54 55 /* Initialize the Hash Module */ 56 retstatus = caam_hash_init(jrcfg.base); 57 if (retstatus != CAAM_NO_ERROR) { 58 retresult = TEE_ERROR_GENERIC; 59 goto exit_init; 60 } 61 62 /* Initialize the MATH Module */ 63 retstatus = caam_math_init(jrcfg.base); 64 if (retstatus != CAAM_NO_ERROR) { 65 retresult = TEE_ERROR_GENERIC; 66 goto exit_init; 67 } 68 69 /* Initialize the RSA Module */ 70 retstatus = caam_rsa_init(jrcfg.base); 71 if (retstatus != CAAM_NO_ERROR) { 72 retresult = TEE_ERROR_GENERIC; 73 goto exit_init; 74 } 75 76 /* Initialize the Cipher Module */ 77 retstatus = caam_cipher_init(jrcfg.base); 78 if (retstatus != CAAM_NO_ERROR) { 79 retresult = TEE_ERROR_GENERIC; 80 goto exit_init; 81 } 82 83 /* Everything is OK, register the Power Management handler */ 84 caam_pwr_init(); 85 86 /* 87 * Configure Job Rings to NS World 88 * If the Driver Crypto is not used CFG_NXP_CAAM_RUNTIME_JR is not 89 * enable, hence relax the JR used for the CAAM configuration to 90 * the Non-Secure 91 */ 92 if (jrcfg.base) 93 caam_hal_cfg_setup_nsjobring(&jrcfg); 94 95 retresult = TEE_SUCCESS; 96 exit_init: 97 if (retresult != TEE_SUCCESS) { 98 EMSG("CAAM Driver initialization (0x%" PRIx32 ")", retresult); 99 panic(); 100 } 101 102 return retresult; 103 } 104 105 driver_init(crypto_driver_init); 106 107 /* Crypto driver late initialization to complete on-going CAAM operations */ 108 static TEE_Result init_caam_late(void) 109 { 110 enum caam_status ret = CAAM_BUSY; 111 112 ret = caam_jr_complete(); 113 114 if (ret != CAAM_NO_ERROR) { 115 EMSG("CAAM initialization failed"); 116 panic(); 117 } 118 119 return TEE_SUCCESS; 120 } 121 122 driver_init_late(init_caam_late); 123