pinebuds/utils/boot_struct/boot_struct.c

/***************************************************************************
 *
 * Copyright 2015-2019 BES.
 * All rights reserved. All unpublished rights reserved.
 *
 * No part of this work may be used or reproduced in any form or by any
 * means, or stored in a database or retrieval system, without prior written
 * permission of BES.
 *
 * Use of this work is governed by a license granted by BES.
 * This work contains confidential and proprietary information of
 * BES. which is protected by copyright, trade secret,
 * trademark and other intellectual property rights.
 *
 ****************************************************************************/
#include "hal_cmu.h"
#include "norflash_cfg.h"
#include "reboot_param.h"
#include "tool_msg.h"

extern const char sys_build_info[];

#ifdef USER_SECURE_BOOT
extern const unsigned int system_info;
#endif

// -----------------------------------------------------------
// Boot struct and code sig struct
// -----------------------------------------------------------
#if defined(PROGRAMMER_INFLASH)
#undef PROGRAMMER
#endif

#define BOOT_STRUCT_LOC __attribute((section(".boot_struct")))

#ifdef USER_SECURE_BOOT
#define DEFAULT_BUILD_INFO ((uint32_t)&system_info)
#else
#define DEFAULT_BUILD_INFO ((uint32_t)sys_build_info)
#endif

#define DEFAULT_CODE_SIG                                                       \
  { .code_size = 0, .sig_len = SIG_LEN, }

#ifdef SIMU
#define DEFAULT_NORFLASH_SAMDLY 0x1
#define DEFAULT_NORFLASH_MOD_CLK HAL_CMU_FREQ_26M
#define DEFAULT_NORFLASH_RDCMD 0x03
#else
#define DEFAULT_NORFLASH_SAMDLY 0x2
// Select 26M for 40M crystal case
#define DEFAULT_NORFLASH_MOD_CLK HAL_CMU_FREQ_104M
// Below 50M: 0x03, Above 50M: 0x0B
#define DEFAULT_NORFLASH_RDCMD 0x0B
#endif

#define DEFAULT_NORFLASH_CFG                                                   \
  {                                                                            \
    .neg_phase = 0, .pos_neg = 0, .cmdquad = 0, .div = 0x2,                    \
    .samdly = DEFAULT_NORFLASH_SAMDLY, .dualmode = 1, .holdpin = 0,            \
    .wprpin = 0, .quadmode = 0, .mod_clk = DEFAULT_NORFLASH_MOD_CLK,           \
    .spiruen = 0, .spirden = 0, .dualiocmd = 0xBB,                             \
    .rdcmd = DEFAULT_NORFLASH_RDCMD, .frdcmd = 0x0B, .qrdcmd = 0xEB,           \
  }

#ifdef SECURE_BOOT_V1

#ifdef PROGRAMMER

struct programmer_boot_struct_t {
  struct boot_struct_v1_t boot_struct;
  struct code_sig_struct_t code_sig_struct;
};

const struct programmer_boot_struct_t BOOT_STRUCT_LOC programmer_boot_struct = {
    .boot_struct =
        {
            .hdr =
                {
                    .magic = BOOT_MAGIC_NUMBER,
                    .security = 1,
                    .hash_type = BOOT_HASH_TYPE_SHA256,
                    .key_type = BOOT_KEY_TYPE_RSA2048,
                    .key_len = KEY_LEN,
                    .sig_len = SIG_LEN,
                    .build_info_start = ((uint32_t)sys_build_info),
                },
        },
    .code_sig_struct = DEFAULT_CODE_SIG,
};

#elif defined(SECURE_BOOT)

struct secure_boot_struct_t {
  struct boot_struct_v1_t boot_struct;
  struct code_sig_struct_t code_sig_struct;
  struct norflash_cfg_struct_t norflash_cfg;
};

const struct secure_boot_struct_t BOOT_STRUCT_LOC secure_boot_struct = {
    .boot_struct =
        {
            .hdr =
                {
                    .magic = ~0UL,
                    .security = 1,
                    .hash_type = BOOT_HASH_TYPE_SHA256,
                    .key_type = BOOT_KEY_TYPE_RSA2048,
                    .key_len = KEY_LEN,
                    .sig_len = SIG_LEN,
                    .build_info_start = DEFAULT_BUILD_INFO,
                },
        },
    .code_sig_struct = DEFAULT_CODE_SIG,
    .norflash_cfg = DEFAULT_NORFLASH_CFG,
};

#else

const struct boot_hdr_v1_t BOOT_STRUCT_LOC boot_struct = {
    .magic = ~0UL,
    .security = 0,
    .build_info_start = DEFAULT_BUILD_INFO,
};

#endif

#else // !SECURE_BOOT_V1

#ifdef PROGRAMMER

union programmer_boot_struct_t {
  // To keep compatible with the old download tools when downloadig non-secure
  // images
  struct {
    struct boot_struct_v1_t dummy;
    struct code_sig_struct_t code_sig_struct;
  } s_v1;
  struct {
    struct boot_struct_t boot_struct;
    struct code_sig_struct_t code_sig_struct;
  } s;
};

const union programmer_boot_struct_t BOOT_STRUCT_LOC programmer_boot_struct = {
    .s =
        {
            .boot_struct =
                {
                    .hdr =
                        {
                            .magic = BOOT_MAGIC_NUMBER,
                            .security = 1,
                            .version = BOOT_STRUCT_VERSION,
                            .build_info_start = ((uint32_t)sys_build_info),
                        },
                },
            .code_sig_struct = DEFAULT_CODE_SIG,
        },
};

#elif defined(SECURE_BOOT)

struct secure_boot_struct_t {
  struct boot_struct_t boot_struct;
  struct code_sig_struct_t code_sig_struct;
  struct norflash_cfg_struct_t norflash_cfg;
};

const struct secure_boot_struct_t BOOT_STRUCT_LOC secure_boot_struct = {
    .boot_struct =
        {
            .hdr =
                {
                    .magic = ~0UL,
                    .security = 1,
                    .version = BOOT_STRUCT_VERSION,
                    .build_info_start = DEFAULT_BUILD_INFO,
                },
        },
    .code_sig_struct = DEFAULT_CODE_SIG,
    .norflash_cfg = DEFAULT_NORFLASH_CFG,
};

#else

const struct boot_hdr_t BOOT_STRUCT_LOC boot_struct = {
    .magic = ~0UL,
    .security = 0,
    .version = BOOT_STRUCT_VERSION,
    .build_info_start = DEFAULT_BUILD_INFO,
};

#endif

#endif // !SECURE_BOOT_V1

// -----------------------------------------------------------
// Reboot param
// -----------------------------------------------------------

#ifdef __ARMCC_VERSION
#define REBOOT_PARAM_LOC __attribute((section(".bss.reboot_param")))
#else
#define REBOOT_PARAM_LOC __attribute((section(".reboot_param")))
#endif

struct REBOOT_PARAM_T REBOOT_PARAM_LOC reboot_param;