240 lines
8.2 KiB
C
240 lines
8.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2012-2015 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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*/
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#ifndef __SECURE_MX6Q_H__
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#define __SECURE_MX6Q_H__
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#include <linux/types.h>
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#include <linux/compiler.h>
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/*
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* IVT header definitions
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* Security Reference Manual for i.MX 7Dual and 7Solo Applications Processors,
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* Rev. 0, 03/2017
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* Section : 6.7.1.1
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*/
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#define IVT_HEADER_MAGIC 0xD1
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#define IVT_TOTAL_LENGTH 0x20
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struct __packed ivt_header {
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uint8_t magic;
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uint16_t length;
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uint8_t version;
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};
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struct ivt {
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struct ivt_header hdr; /* IVT header above */
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uint32_t entry; /* Absolute address of first instruction */
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uint32_t reserved1; /* Reserved should be zero */
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uint32_t dcd; /* Absolute address of the image DCD */
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uint32_t boot; /* Absolute address of the boot data */
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uint32_t self; /* Absolute address of the IVT */
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uint32_t csf; /* Absolute address of the CSF */
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uint32_t reserved2; /* Reserved should be zero */
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};
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struct __packed hab_hdr {
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u8 tag; /* Tag field */
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u8 len[2]; /* Length field in bytes (big-endian) */
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u8 par; /* Parameters field */
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};
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/* Default event structure */
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struct __packed evt_def {
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struct hab_hdr hdr; /* Header */
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uint32_t sts; /* Status */
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uint32_t ctx; /* Default context */
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uint8_t *data; /* Default data location */
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size_t bytes; /* Size of default data */
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};
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/* -------- start of HAB API updates ------------*/
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/* The following are taken from HAB4 SIS */
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/* Status definitions */
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enum hab_status {
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HAB_STS_ANY = 0x00,
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HAB_FAILURE = 0x33,
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HAB_WARNING = 0x69,
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HAB_SUCCESS = 0xf0
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};
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/* Security Configuration definitions */
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enum hab_config {
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HAB_CFG_RETURN = 0x33, /* < Field Return IC */
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HAB_CFG_OPEN = 0xf0, /* < Non-secure IC */
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HAB_CFG_CLOSED = 0xcc /* < Secure IC */
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};
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/* State definitions */
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enum hab_state {
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HAB_STATE_INITIAL = 0x33, /* Initialising state (transitory) */
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HAB_STATE_CHECK = 0x55, /* Check state (non-secure) */
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HAB_STATE_NONSECURE = 0x66, /* Non-secure state */
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HAB_STATE_TRUSTED = 0x99, /* Trusted state */
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HAB_STATE_SECURE = 0xaa, /* Secure state */
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HAB_STATE_FAIL_SOFT = 0xcc, /* Soft fail state */
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HAB_STATE_FAIL_HARD = 0xff, /* Hard fail state (terminal) */
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HAB_STATE_NONE = 0xf0, /* No security state machine */
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HAB_STATE_MAX
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};
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enum hab_reason {
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HAB_RSN_ANY = 0x00, /* Match any reason */
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HAB_ENG_FAIL = 0x30, /* Engine failure */
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HAB_INV_ADDRESS = 0x22, /* Invalid address: access denied */
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HAB_INV_ASSERTION = 0x0c, /* Invalid assertion */
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HAB_INV_CALL = 0x28, /* Function called out of sequence */
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HAB_INV_CERTIFICATE = 0x21, /* Invalid certificate */
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HAB_INV_COMMAND = 0x06, /* Invalid command: command malformed */
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HAB_INV_CSF = 0x11, /* Invalid csf */
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HAB_INV_DCD = 0x27, /* Invalid dcd */
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HAB_INV_INDEX = 0x0f, /* Invalid index: access denied */
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HAB_INV_IVT = 0x05, /* Invalid ivt */
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HAB_INV_KEY = 0x1d, /* Invalid key */
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HAB_INV_RETURN = 0x1e, /* Failed callback function */
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HAB_INV_SIGNATURE = 0x18, /* Invalid signature */
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HAB_INV_SIZE = 0x17, /* Invalid data size */
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HAB_MEM_FAIL = 0x2e, /* Memory failure */
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HAB_OVR_COUNT = 0x2b, /* Expired poll count */
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HAB_OVR_STORAGE = 0x2d, /* Exhausted storage region */
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HAB_UNS_ALGORITHM = 0x12, /* Unsupported algorithm */
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HAB_UNS_COMMAND = 0x03, /* Unsupported command */
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HAB_UNS_ENGINE = 0x0a, /* Unsupported engine */
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HAB_UNS_ITEM = 0x24, /* Unsupported configuration item */
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HAB_UNS_KEY = 0x1b, /* Unsupported key type/parameters */
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HAB_UNS_PROTOCOL = 0x14, /* Unsupported protocol */
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HAB_UNS_STATE = 0x09, /* Unsuitable state */
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HAB_RSN_MAX
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};
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enum hab_context {
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HAB_CTX_ANY = 0x00, /* Match any context */
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HAB_CTX_FAB = 0xff, /* Event logged in hab_fab_test() */
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HAB_CTX_ENTRY = 0xe1, /* Event logged in hab_rvt.entry() */
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HAB_CTX_TARGET = 0x33, /* Event logged in hab_rvt.check_target() */
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HAB_CTX_AUTHENTICATE = 0x0a,/* Logged in hab_rvt.authenticate_image() */
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HAB_CTX_DCD = 0xdd, /* Event logged in hab_rvt.run_dcd() */
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HAB_CTX_CSF = 0xcf, /* Event logged in hab_rvt.run_csf() */
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HAB_CTX_COMMAND = 0xc0, /* Event logged executing csf/dcd command */
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HAB_CTX_AUT_DAT = 0xdb, /* Authenticated data block */
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HAB_CTX_ASSERT = 0xa0, /* Event logged in hab_rvt.assert() */
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HAB_CTX_EXIT = 0xee, /* Event logged in hab_rvt.exit() */
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HAB_CTX_MAX
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};
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enum hab_target {
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HAB_TGT_MEMORY = 0x0f,
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HAB_TGT_PERIPHERAL = 0xf0,
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HAB_TGT_ANY = 0x55,
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};
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struct imx_sec_config_fuse_t {
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int bank;
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int word;
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};
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#if defined(CONFIG_IMX_HAB)
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extern struct imx_sec_config_fuse_t const imx_sec_config_fuse;
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#endif
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/*Function prototype description*/
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typedef enum hab_status hab_rvt_report_event_t(enum hab_status, uint32_t,
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uint8_t* , size_t*);
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typedef enum hab_status hab_rvt_report_status_t(enum hab_config *,
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enum hab_state *);
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typedef enum hab_status hab_loader_callback_f_t(void**, size_t*, const void*);
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typedef enum hab_status hab_rvt_entry_t(void);
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typedef enum hab_status hab_rvt_exit_t(void);
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typedef void *hab_rvt_authenticate_image_t(uint8_t, ptrdiff_t,
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void **, size_t *, hab_loader_callback_f_t);
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typedef enum hab_status hab_rvt_check_target_t(enum hab_target, const void *,
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size_t);
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typedef void hab_rvt_failsafe_t(void);
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typedef void hapi_clock_init_t(void);
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#define HAB_ENG_ANY 0x00 /* Select first compatible engine */
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#define HAB_ENG_SCC 0x03 /* Security controller */
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#define HAB_ENG_RTIC 0x05 /* Run-time integrity checker */
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#define HAB_ENG_SAHARA 0x06 /* Crypto accelerator */
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#define HAB_ENG_CSU 0x0a /* Central Security Unit */
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#define HAB_ENG_SRTC 0x0c /* Secure clock */
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#define HAB_ENG_DCP 0x1b /* Data Co-Processor */
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#define HAB_ENG_CAAM 0x1d /* CAAM */
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#define HAB_ENG_SNVS 0x1e /* Secure Non-Volatile Storage */
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#define HAB_ENG_OCOTP 0x21 /* Fuse controller */
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#define HAB_ENG_DTCP 0x22 /* DTCP co-processor */
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#define HAB_ENG_ROM 0x36 /* Protected ROM area */
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#define HAB_ENG_HDCP 0x24 /* HDCP co-processor */
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#define HAB_ENG_RTL 0x77 /* RTL simulation engine */
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#define HAB_ENG_SW 0xff /* Software engine */
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#ifdef CONFIG_ARM64
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#ifdef CONFIG_IMX8MQ
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#define HAB_RVT_BASE 0x00000880
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#else
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#define HAB_RVT_BASE 0x00000900
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#endif
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#define HAB_RVT_ENTRY (*(ulong *)(HAB_RVT_BASE + 0x08))
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#define HAB_RVT_EXIT (*(ulong *)(HAB_RVT_BASE + 0x10))
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#define HAB_RVT_CHECK_TARGET (*(ulong *)(HAB_RVT_BASE + 0x18))
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#define HAB_RVT_AUTHENTICATE_IMAGE (*(ulong *)(HAB_RVT_BASE + 0x20))
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#define HAB_RVT_REPORT_EVENT (*(ulong *)(HAB_RVT_BASE + 0x40))
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#define HAB_RVT_REPORT_STATUS (*(ulong *)(HAB_RVT_BASE + 0x48))
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#define HAB_RVT_FAILSAFE (*(ulong *)(HAB_RVT_BASE + 0x50))
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#else
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#ifdef CONFIG_ROM_UNIFIED_SECTIONS
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#define HAB_RVT_BASE 0x00000100
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#else
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#define HAB_RVT_BASE_NEW 0x00000098
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#define HAB_RVT_BASE_OLD 0x00000094
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#define HAB_RVT_BASE ((is_mx6dqp()) ? \
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HAB_RVT_BASE_NEW : \
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(is_mx6dq() && (soc_rev() >= CHIP_REV_1_3)) ? \
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HAB_RVT_BASE_NEW : \
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(is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
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HAB_RVT_BASE_NEW : HAB_RVT_BASE_OLD)
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#endif
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#define HAB_RVT_ENTRY (*(uint32_t *)(HAB_RVT_BASE + 0x04))
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#define HAB_RVT_EXIT (*(uint32_t *)(HAB_RVT_BASE + 0x08))
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#define HAB_RVT_CHECK_TARGET (*(uint32_t *)(HAB_RVT_BASE + 0x0C))
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#define HAB_RVT_AUTHENTICATE_IMAGE (*(uint32_t *)(HAB_RVT_BASE + 0x10))
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#define HAB_RVT_REPORT_EVENT (*(uint32_t *)(HAB_RVT_BASE + 0x20))
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#define HAB_RVT_REPORT_STATUS (*(uint32_t *)(HAB_RVT_BASE + 0x24))
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#define HAB_RVT_FAILSAFE (*(uint32_t *)(HAB_RVT_BASE + 0x28))
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#endif /*CONFIG_ARM64*/
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#define HAB_CID_ROM 0 /**< ROM Caller ID */
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#define HAB_CID_UBOOT 1 /**< UBOOT Caller ID*/
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#define HAB_TAG_RVT 0xDD /* ROM Vector Table */
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#define HAB_CMD_HDR 0xD4 /* CSF Header */
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#define HAB_CMD_WRT_DAT 0xCC /* Write Data command tag */
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#define HAB_CMD_CHK_DAT 0xCF /* Check Data command tag */
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#define HAB_CMD_SET 0xB1 /* Set command tag */
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#define HAB_PAR_MID 0x01 /* MID parameter value */
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#define IVT_SIZE 0x20
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#define CSF_PAD_SIZE 0x2000
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#define HAB_TAG_EVT 0xDB
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#define HAB_TAG_EVT_DEF 0x0C
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#define HAB_MAJ_VER 0x40
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#define HAB_MAJ_MASK 0xF0
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/* ----------- end of HAB API updates ------------*/
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int imx_hab_authenticate_image(uint32_t ddr_start, uint32_t image_size,
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uint32_t ivt_offset);
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bool imx_hab_is_enabled(void);
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#endif
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