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/*
* Copyright (C) 2012-2015 Freescale Semiconductor, Inc. All Rights Reserved.
*
* SPDX-License-Identifier: GPL-2.0+
*
*/
#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
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