1 /* 2 * Copyright (C) 2012-2015 Freescale Semiconductor, Inc. All Rights Reserved. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 * 6 */ 7 8 #ifndef __SECURE_MX6Q_H__ 9 #define __SECURE_MX6Q_H__ 10 11 #include <linux/types.h> 12 #include <linux/compiler.h> 13 14 /* 15 * IVT header definitions 16 * Security Reference Manual for i.MX 7Dual and 7Solo Applications Processors, 17 * Rev. 0, 03/2017 18 * Section : 6.7.1.1 19 */ 20 #define IVT_HEADER_MAGIC 0xD1 21 #define IVT_TOTAL_LENGTH 0x20 22 #define IVT_HEADER_V1 0x40 23 #define IVT_HEADER_V2 0x41 24 25 struct __packed ivt_header { 26 uint8_t magic; 27 uint16_t length; 28 uint8_t version; 29 }; 30 31 struct ivt { 32 struct ivt_header hdr; /* IVT header above */ 33 uint32_t entry; /* Absolute address of first instruction */ 34 uint32_t reserved1; /* Reserved should be zero */ 35 uint32_t dcd; /* Absolute address of the image DCD */ 36 uint32_t boot; /* Absolute address of the boot data */ 37 uint32_t self; /* Absolute address of the IVT */ 38 uint32_t csf; /* Absolute address of the CSF */ 39 uint32_t reserved2; /* Reserved should be zero */ 40 }; 41 42 struct __packed hab_hdr { 43 u8 tag; /* Tag field */ 44 u8 len[2]; /* Length field in bytes (big-endian) */ 45 u8 par; /* Parameters field */ 46 }; 47 48 /* -------- start of HAB API updates ------------*/ 49 /* The following are taken from HAB4 SIS */ 50 51 /* Status definitions */ 52 enum hab_status { 53 HAB_STS_ANY = 0x00, 54 HAB_FAILURE = 0x33, 55 HAB_WARNING = 0x69, 56 HAB_SUCCESS = 0xf0 57 }; 58 59 /* Security Configuration definitions */ 60 enum hab_config { 61 HAB_CFG_RETURN = 0x33, /* < Field Return IC */ 62 HAB_CFG_OPEN = 0xf0, /* < Non-secure IC */ 63 HAB_CFG_CLOSED = 0xcc /* < Secure IC */ 64 }; 65 66 /* State definitions */ 67 enum hab_state { 68 HAB_STATE_INITIAL = 0x33, /* Initialising state (transitory) */ 69 HAB_STATE_CHECK = 0x55, /* Check state (non-secure) */ 70 HAB_STATE_NONSECURE = 0x66, /* Non-secure state */ 71 HAB_STATE_TRUSTED = 0x99, /* Trusted state */ 72 HAB_STATE_SECURE = 0xaa, /* Secure state */ 73 HAB_STATE_FAIL_SOFT = 0xcc, /* Soft fail state */ 74 HAB_STATE_FAIL_HARD = 0xff, /* Hard fail state (terminal) */ 75 HAB_STATE_NONE = 0xf0, /* No security state machine */ 76 HAB_STATE_MAX 77 }; 78 79 enum hab_reason { 80 HAB_RSN_ANY = 0x00, /* Match any reason */ 81 HAB_ENG_FAIL = 0x30, /* Engine failure */ 82 HAB_INV_ADDRESS = 0x22, /* Invalid address: access denied */ 83 HAB_INV_ASSERTION = 0x0c, /* Invalid assertion */ 84 HAB_INV_CALL = 0x28, /* Function called out of sequence */ 85 HAB_INV_CERTIFICATE = 0x21, /* Invalid certificate */ 86 HAB_INV_COMMAND = 0x06, /* Invalid command: command malformed */ 87 HAB_INV_CSF = 0x11, /* Invalid csf */ 88 HAB_INV_DCD = 0x27, /* Invalid dcd */ 89 HAB_INV_INDEX = 0x0f, /* Invalid index: access denied */ 90 HAB_INV_IVT = 0x05, /* Invalid ivt */ 91 HAB_INV_KEY = 0x1d, /* Invalid key */ 92 HAB_INV_RETURN = 0x1e, /* Failed callback function */ 93 HAB_INV_SIGNATURE = 0x18, /* Invalid signature */ 94 HAB_INV_SIZE = 0x17, /* Invalid data size */ 95 HAB_MEM_FAIL = 0x2e, /* Memory failure */ 96 HAB_OVR_COUNT = 0x2b, /* Expired poll count */ 97 HAB_OVR_STORAGE = 0x2d, /* Exhausted storage region */ 98 HAB_UNS_ALGORITHM = 0x12, /* Unsupported algorithm */ 99 HAB_UNS_COMMAND = 0x03, /* Unsupported command */ 100 HAB_UNS_ENGINE = 0x0a, /* Unsupported engine */ 101 HAB_UNS_ITEM = 0x24, /* Unsupported configuration item */ 102 HAB_UNS_KEY = 0x1b, /* Unsupported key type/parameters */ 103 HAB_UNS_PROTOCOL = 0x14, /* Unsupported protocol */ 104 HAB_UNS_STATE = 0x09, /* Unsuitable state */ 105 HAB_RSN_MAX 106 }; 107 108 enum hab_context { 109 HAB_CTX_ANY = 0x00, /* Match any context */ 110 HAB_CTX_FAB = 0xff, /* Event logged in hab_fab_test() */ 111 HAB_CTX_ENTRY = 0xe1, /* Event logged in hab_rvt.entry() */ 112 HAB_CTX_TARGET = 0x33, /* Event logged in hab_rvt.check_target() */ 113 HAB_CTX_AUTHENTICATE = 0x0a,/* Logged in hab_rvt.authenticate_image() */ 114 HAB_CTX_DCD = 0xdd, /* Event logged in hab_rvt.run_dcd() */ 115 HAB_CTX_CSF = 0xcf, /* Event logged in hab_rvt.run_csf() */ 116 HAB_CTX_COMMAND = 0xc0, /* Event logged executing csf/dcd command */ 117 HAB_CTX_AUT_DAT = 0xdb, /* Authenticated data block */ 118 HAB_CTX_ASSERT = 0xa0, /* Event logged in hab_rvt.assert() */ 119 HAB_CTX_EXIT = 0xee, /* Event logged in hab_rvt.exit() */ 120 HAB_CTX_MAX 121 }; 122 123 enum hab_target { 124 HAB_TGT_MEMORY = 0x0f, 125 HAB_TGT_PERIPHERAL = 0xf0, 126 HAB_TGT_ANY = 0x55, 127 }; 128 129 struct imx_sec_config_fuse_t { 130 int bank; 131 int word; 132 }; 133 134 #if defined(CONFIG_SECURE_BOOT) 135 extern struct imx_sec_config_fuse_t const imx_sec_config_fuse; 136 #endif 137 138 /*Function prototype description*/ 139 typedef enum hab_status hab_rvt_report_event_t(enum hab_status, uint32_t, 140 uint8_t* , size_t*); 141 typedef enum hab_status hab_rvt_report_status_t(enum hab_config *, 142 enum hab_state *); 143 typedef enum hab_status hab_loader_callback_f_t(void**, size_t*, const void*); 144 typedef enum hab_status hab_rvt_entry_t(void); 145 typedef enum hab_status hab_rvt_exit_t(void); 146 typedef void *hab_rvt_authenticate_image_t(uint8_t, ptrdiff_t, 147 void **, size_t *, hab_loader_callback_f_t); 148 typedef enum hab_status hab_rvt_check_target_t(enum hab_target, const void *, 149 size_t); 150 typedef void hab_rvt_failsafe_t(void); 151 typedef void hapi_clock_init_t(void); 152 153 #define HAB_ENG_ANY 0x00 /* Select first compatible engine */ 154 #define HAB_ENG_SCC 0x03 /* Security controller */ 155 #define HAB_ENG_RTIC 0x05 /* Run-time integrity checker */ 156 #define HAB_ENG_SAHARA 0x06 /* Crypto accelerator */ 157 #define HAB_ENG_CSU 0x0a /* Central Security Unit */ 158 #define HAB_ENG_SRTC 0x0c /* Secure clock */ 159 #define HAB_ENG_DCP 0x1b /* Data Co-Processor */ 160 #define HAB_ENG_CAAM 0x1d /* CAAM */ 161 #define HAB_ENG_SNVS 0x1e /* Secure Non-Volatile Storage */ 162 #define HAB_ENG_OCOTP 0x21 /* Fuse controller */ 163 #define HAB_ENG_DTCP 0x22 /* DTCP co-processor */ 164 #define HAB_ENG_ROM 0x36 /* Protected ROM area */ 165 #define HAB_ENG_HDCP 0x24 /* HDCP co-processor */ 166 #define HAB_ENG_RTL 0x77 /* RTL simulation engine */ 167 #define HAB_ENG_SW 0xff /* Software engine */ 168 169 #ifdef CONFIG_ROM_UNIFIED_SECTIONS 170 #define HAB_RVT_BASE 0x00000100 171 #else 172 #define HAB_RVT_BASE_NEW 0x00000098 173 #define HAB_RVT_BASE_OLD 0x00000094 174 #define HAB_RVT_BASE ((is_mx6dqp()) ? \ 175 HAB_RVT_BASE_NEW : \ 176 (is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \ 177 HAB_RVT_BASE_NEW : \ 178 (is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \ 179 HAB_RVT_BASE_NEW : HAB_RVT_BASE_OLD) 180 #endif 181 182 #define HAB_RVT_ENTRY (*(uint32_t *)(HAB_RVT_BASE + 0x04)) 183 #define HAB_RVT_EXIT (*(uint32_t *)(HAB_RVT_BASE + 0x08)) 184 #define HAB_RVT_CHECK_TARGET (*(uint32_t *)(HAB_RVT_BASE + 0x0C)) 185 #define HAB_RVT_AUTHENTICATE_IMAGE (*(uint32_t *)(HAB_RVT_BASE + 0x10)) 186 #define HAB_RVT_REPORT_EVENT (*(uint32_t *)(HAB_RVT_BASE + 0x20)) 187 #define HAB_RVT_REPORT_STATUS (*(uint32_t *)(HAB_RVT_BASE + 0x24)) 188 #define HAB_RVT_FAILSAFE (*(uint32_t *)(HAB_RVT_BASE + 0x28)) 189 190 #define HAB_CID_ROM 0 /**< ROM Caller ID */ 191 #define HAB_CID_UBOOT 1 /**< UBOOT Caller ID*/ 192 193 #define HAB_CMD_HDR 0xD4 /* CSF Header */ 194 #define HAB_CMD_WRT_DAT 0xCC /* Write Data command tag */ 195 #define HAB_CMD_CHK_DAT 0xCF /* Check Data command tag */ 196 #define HAB_CMD_SET 0xB1 /* Set command tag */ 197 #define HAB_PAR_MID 0x01 /* MID parameter value */ 198 199 #define IVT_SIZE 0x20 200 #define CSF_PAD_SIZE 0x2000 201 202 /* ----------- end of HAB API updates ------------*/ 203 204 int imx_hab_authenticate_image(uint32_t ddr_start, uint32_t image_size, 205 uint32_t ivt_offset); 206 bool imx_hab_is_enabled(void); 207 208 #endif 209