diff options
Diffstat (limited to 'arch/arm/include/asm/mach-imx/hab.h')
| -rw-r--r-- | arch/arm/include/asm/mach-imx/hab.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mach-imx/hab.h b/arch/arm/include/asm/mach-imx/hab.h new file mode 100644 index 0000000..d8bd770 --- /dev/null +++ b/arch/arm/include/asm/mach-imx/hab.h @@ -0,0 +1,208 @@ +/* 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_IMX_HAB) +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_TAG_RVT 0xDD /* ROM Vector Table */ +#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 |