| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2012-2015 Freescale Semiconductor, Inc. All Rights Reserved. |
| * |
| */ |
| |
| #ifndef __SECURE_MX6Q_H__ |
| #define __SECURE_MX6Q_H__ |
| |
| #include <linux/types.h> |
| #include <linux/compiler.h> |
| |
| /* |
| * IVT header definitions |
| * Security Reference Manual for i.MX 7Dual and 7Solo Applications Processors, |
| * Rev. 0, 03/2017 |
| * Section : 6.7.1.1 |
| */ |
| #define IVT_HEADER_MAGIC 0xD1 |
| #define IVT_TOTAL_LENGTH 0x20 |
| #define IVT_HEADER_V1 0x40 |
| #define IVT_HEADER_V2 0x41 |
| |
| struct __packed ivt_header { |
| uint8_t magic; |
| uint16_t length; |
| uint8_t version; |
| }; |
| |
| struct ivt { |
| struct ivt_header hdr; /* IVT header above */ |
| uint32_t entry; /* Absolute address of first instruction */ |
| uint32_t reserved1; /* Reserved should be zero */ |
| uint32_t dcd; /* Absolute address of the image DCD */ |
| uint32_t boot; /* Absolute address of the boot data */ |
| uint32_t self; /* Absolute address of the IVT */ |
| uint32_t csf; /* Absolute address of the CSF */ |
| uint32_t reserved2; /* Reserved should be zero */ |
| }; |
| |
| struct __packed hab_hdr { |
| u8 tag; /* Tag field */ |
| u8 len[2]; /* Length field in bytes (big-endian) */ |
| u8 par; /* Parameters field */ |
| }; |
| |
| /* -------- start of HAB API updates ------------*/ |
| /* The following are taken from HAB4 SIS */ |
| |
| /* Status definitions */ |
| enum hab_status { |
| HAB_STS_ANY = 0x00, |
| HAB_FAILURE = 0x33, |
| HAB_WARNING = 0x69, |
| HAB_SUCCESS = 0xf0 |
| }; |
| |
| /* Security Configuration definitions */ |
| enum hab_config { |
| HAB_CFG_RETURN = 0x33, /* < Field Return IC */ |
| HAB_CFG_OPEN = 0xf0, /* < Non-secure IC */ |
| HAB_CFG_CLOSED = 0xcc /* < Secure IC */ |
| }; |
| |
| /* State definitions */ |
| enum hab_state { |
| HAB_STATE_INITIAL = 0x33, /* Initialising state (transitory) */ |
| HAB_STATE_CHECK = 0x55, /* Check state (non-secure) */ |
| HAB_STATE_NONSECURE = 0x66, /* Non-secure state */ |
| HAB_STATE_TRUSTED = 0x99, /* Trusted state */ |
| HAB_STATE_SECURE = 0xaa, /* Secure state */ |
| HAB_STATE_FAIL_SOFT = 0xcc, /* Soft fail state */ |
| HAB_STATE_FAIL_HARD = 0xff, /* Hard fail state (terminal) */ |
| HAB_STATE_NONE = 0xf0, /* No security state machine */ |
| HAB_STATE_MAX |
| }; |
| |
| enum hab_reason { |
| HAB_RSN_ANY = 0x00, /* Match any reason */ |
| HAB_ENG_FAIL = 0x30, /* Engine failure */ |
| HAB_INV_ADDRESS = 0x22, /* Invalid address: access denied */ |
| HAB_INV_ASSERTION = 0x0c, /* Invalid assertion */ |
| HAB_INV_CALL = 0x28, /* Function called out of sequence */ |
| HAB_INV_CERTIFICATE = 0x21, /* Invalid certificate */ |
| HAB_INV_COMMAND = 0x06, /* Invalid command: command malformed */ |
| HAB_INV_CSF = 0x11, /* Invalid csf */ |
| HAB_INV_DCD = 0x27, /* Invalid dcd */ |
| HAB_INV_INDEX = 0x0f, /* Invalid index: access denied */ |
| HAB_INV_IVT = 0x05, /* Invalid ivt */ |
| HAB_INV_KEY = 0x1d, /* Invalid key */ |
| HAB_INV_RETURN = 0x1e, /* Failed callback function */ |
| HAB_INV_SIGNATURE = 0x18, /* Invalid signature */ |
| HAB_INV_SIZE = 0x17, /* Invalid data size */ |
| HAB_MEM_FAIL = 0x2e, /* Memory failure */ |
| HAB_OVR_COUNT = 0x2b, /* Expired poll count */ |
| HAB_OVR_STORAGE = 0x2d, /* Exhausted storage region */ |
| HAB_UNS_ALGORITHM = 0x12, /* Unsupported algorithm */ |
| HAB_UNS_COMMAND = 0x03, /* Unsupported command */ |
| HAB_UNS_ENGINE = 0x0a, /* Unsupported engine */ |
| HAB_UNS_ITEM = 0x24, /* Unsupported configuration item */ |
| HAB_UNS_KEY = 0x1b, /* Unsupported key type/parameters */ |
| HAB_UNS_PROTOCOL = 0x14, /* Unsupported protocol */ |
| HAB_UNS_STATE = 0x09, /* Unsuitable state */ |
| HAB_RSN_MAX |
| }; |
| |
| enum hab_context { |
| HAB_CTX_ANY = 0x00, /* Match any context */ |
| HAB_CTX_FAB = 0xff, /* Event logged in hab_fab_test() */ |
| HAB_CTX_ENTRY = 0xe1, /* Event logged in hab_rvt.entry() */ |
| HAB_CTX_TARGET = 0x33, /* Event logged in hab_rvt.check_target() */ |
| HAB_CTX_AUTHENTICATE = 0x0a,/* Logged in hab_rvt.authenticate_image() */ |
| HAB_CTX_DCD = 0xdd, /* Event logged in hab_rvt.run_dcd() */ |
| HAB_CTX_CSF = 0xcf, /* Event logged in hab_rvt.run_csf() */ |
| HAB_CTX_COMMAND = 0xc0, /* Event logged executing csf/dcd command */ |
| HAB_CTX_AUT_DAT = 0xdb, /* Authenticated data block */ |
| HAB_CTX_ASSERT = 0xa0, /* Event logged in hab_rvt.assert() */ |
| HAB_CTX_EXIT = 0xee, /* Event logged in hab_rvt.exit() */ |
| HAB_CTX_MAX |
| }; |
| |
| enum hab_target { |
| HAB_TGT_MEMORY = 0x0f, |
| HAB_TGT_PERIPHERAL = 0xf0, |
| HAB_TGT_ANY = 0x55, |
| }; |
| |
| struct imx_sec_config_fuse_t { |
| int bank; |
| int word; |
| }; |
| |
| #if defined(CONFIG_SECURE_BOOT) |
| extern struct imx_sec_config_fuse_t const imx_sec_config_fuse; |
| #endif |
| |
| /*Function prototype description*/ |
| typedef enum hab_status hab_rvt_report_event_t(enum hab_status, uint32_t, |
| uint8_t* , size_t*); |
| typedef enum hab_status hab_rvt_report_status_t(enum hab_config *, |
| enum hab_state *); |
| typedef enum hab_status hab_loader_callback_f_t(void**, size_t*, const void*); |
| typedef enum hab_status hab_rvt_entry_t(void); |
| typedef enum hab_status hab_rvt_exit_t(void); |
| typedef void *hab_rvt_authenticate_image_t(uint8_t, ptrdiff_t, |
| void **, size_t *, hab_loader_callback_f_t); |
| typedef enum hab_status hab_rvt_check_target_t(enum hab_target, const void *, |
| size_t); |
| typedef void hab_rvt_failsafe_t(void); |
| typedef void hapi_clock_init_t(void); |
| |
| #define HAB_ENG_ANY 0x00 /* Select first compatible engine */ |
| #define HAB_ENG_SCC 0x03 /* Security controller */ |
| #define HAB_ENG_RTIC 0x05 /* Run-time integrity checker */ |
| #define HAB_ENG_SAHARA 0x06 /* Crypto accelerator */ |
| #define HAB_ENG_CSU 0x0a /* Central Security Unit */ |
| #define HAB_ENG_SRTC 0x0c /* Secure clock */ |
| #define HAB_ENG_DCP 0x1b /* Data Co-Processor */ |
| #define HAB_ENG_CAAM 0x1d /* CAAM */ |
| #define HAB_ENG_SNVS 0x1e /* Secure Non-Volatile Storage */ |
| #define HAB_ENG_OCOTP 0x21 /* Fuse controller */ |
| #define HAB_ENG_DTCP 0x22 /* DTCP co-processor */ |
| #define HAB_ENG_ROM 0x36 /* Protected ROM area */ |
| #define HAB_ENG_HDCP 0x24 /* HDCP co-processor */ |
| #define HAB_ENG_RTL 0x77 /* RTL simulation engine */ |
| #define HAB_ENG_SW 0xff /* Software engine */ |
| |
| #ifdef CONFIG_ROM_UNIFIED_SECTIONS |
| #define HAB_RVT_BASE 0x00000100 |
| #else |
| #define HAB_RVT_BASE_NEW 0x00000098 |
| #define HAB_RVT_BASE_OLD 0x00000094 |
| #define HAB_RVT_BASE ((is_mx6dqp()) ? \ |
| HAB_RVT_BASE_NEW : \ |
| (is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \ |
| HAB_RVT_BASE_NEW : \ |
| (is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \ |
| HAB_RVT_BASE_NEW : HAB_RVT_BASE_OLD) |
| #endif |
| |
| #define HAB_RVT_ENTRY (*(uint32_t *)(HAB_RVT_BASE + 0x04)) |
| #define HAB_RVT_EXIT (*(uint32_t *)(HAB_RVT_BASE + 0x08)) |
| #define HAB_RVT_CHECK_TARGET (*(uint32_t *)(HAB_RVT_BASE + 0x0C)) |
| #define HAB_RVT_AUTHENTICATE_IMAGE (*(uint32_t *)(HAB_RVT_BASE + 0x10)) |
| #define HAB_RVT_REPORT_EVENT (*(uint32_t *)(HAB_RVT_BASE + 0x20)) |
| #define HAB_RVT_REPORT_STATUS (*(uint32_t *)(HAB_RVT_BASE + 0x24)) |
| #define HAB_RVT_FAILSAFE (*(uint32_t *)(HAB_RVT_BASE + 0x28)) |
| |
| #define HAB_CID_ROM 0 /**< ROM Caller ID */ |
| #define HAB_CID_UBOOT 1 /**< UBOOT Caller ID*/ |
| |
| #define HAB_CMD_HDR 0xD4 /* CSF Header */ |
| #define HAB_CMD_WRT_DAT 0xCC /* Write Data command tag */ |
| #define HAB_CMD_CHK_DAT 0xCF /* Check Data command tag */ |
| #define HAB_CMD_SET 0xB1 /* Set command tag */ |
| #define HAB_PAR_MID 0x01 /* MID parameter value */ |
| |
| #define IVT_SIZE 0x20 |
| #define CSF_PAD_SIZE 0x2000 |
| |
| /* ----------- end of HAB API updates ------------*/ |
| |
| int imx_hab_authenticate_image(uint32_t ddr_start, uint32_t image_size, |
| uint32_t ivt_offset); |
| bool imx_hab_is_enabled(void); |
| |
| #endif |
