/**
 * @file bpt_v2.h
 * @copyright Copyright (c) 2022  Semidrive Semiconductor.
 *            All rights reserved.
 */

#ifndef FL_BPT_V2_H_
#define FL_BPT_V2_H_

#include <flash_wrapper.h>

#define FL_SFS_NORMAL_IMG_ADDR 0x70
#define FL_SFS_BAKEUP_IMG_ADDR 0x74
#define FL_SFS_THIRD_IMG_ADDR 0x78

#define FL_SFS_BASE 0x0
#define FL_SFS_SIZE 0x80

#define FL_SFS_TAG (0x53465301)
#define FL_SFS_TAG_OFFSET (0x0)
#define FL_SFS_INIT_ACT_OFFSET (0x4)
#define FL_SFS_XFER_CONFIG_OFFSET (0x40)
#define FL_SFS_IP_SETTINGS_OFFSET (0x50)
#define FL_SFS_FREQ_OFFSET (0x60)
#define FL_SFS_SW_RESET (0x67)
#define FL_SFS_TP_OFFSET (0x68)
#define FL_SFS_NIA_OFFSET (0x70)
#define FL_SFS_BIA_OFFSET (0x74)
#define FL_SFS_TIA_OFFSET (0x78)
#define FL_SFS_CRC32_OFFSET (0x7C)

#define FL_SFS_INIT_ACT_SIZE 0x3C
#define FL_SFS_XFER_CONFIG_SIZE 0x10
#define FL_SFS_IP_SETTINGS_SIZE 0x10
#define FL_SFS_TP_SIZE 0x8

#define FL_BPT_TAG_OFFSET 0x0
#define FL_BPT_IIB_OFFSET 0x20
#define FL_BPT_CRC_CHECKSUM_OFFSET 0xFEC

#define FL_BPT_IIB_TARGET_OFFSET 0x19
#define FL_BPT_IIB_IMG_SIZE_OFFSET 0x28
#define FL_BPT_IIB_LOAD_ADDR_OFFSET 0x2C

#define FL_BPT_IIB_SIZE 124
#define FL_BPT_IIB_NUM 8
#define FL_BPT_TAG_VAL 0x42505402
#define FL_BPT_IIB_TAG_VAL 0xEAE2

#define FL_BPT_HEDAER_LEN 0x1000
#define FL_BPT_PAGE_SIZE 512

#define FL_BPT_RCP_TAG 0xEAF0
#define FL_BPT_RCP_SIZE 0x414

#define FL_BPT_CORE_CR5_SF 0
#define FL_BPT_CORE_CR5_SP0 2
#define FL_BPT_CORE_CR5_SP1 3
#define FL_BPT_CORE_CR5_SX0 4
#define FL_BPT_CORE_CR5_SX1 5
#define FL_BPT_CORE_CR5_SX 6
#define FL_BPT_CORE_CR5_SP 7

#define FL_BPT_PAGE_SN 0x0100

typedef __packed struct bpt_rcp {
    uint16_t tag;
    uint16_t size;
    uint8_t rot_id;
    uint8_t key_type;
    uint8_t reserved[10];
    uint8_t key[1028];
} bpt_rcp_t;

typedef __packed struct bpt_v2 {
    uint32_t tag;
    uint16_t reserved1;
    uint16_t size;
    uint32_t sec_ver;
    uint8_t digest_alg;
    uint8_t reserved2[19];
    uint8_t iib[FL_BPT_IIB_NUM][FL_BPT_IIB_SIZE];
    bpt_rcp_t rcp;
    uint8_t signature[512];
    uint8_t key_wraps[512];
    uint8_t reserved3[984];
    uint32_t crc;
    uint32_t sn;
    uint32_t sn_inversion;
    uint8_t reserved4[8];
} bpt_v2_t;

typedef __packed struct bpt_iib {
    uint16_t tag;
    uint16_t size;
    uint32_t reserved1;
    uint8_t dbg_ctrl[8];
    uint8_t did[8];
    uint8_t img_type;
    uint8_t target_core;
    uint8_t dec_ctrl;
    uint8_t reserved2;
    uint8_t iv[8];
    uint32_t img_page;
    uint32_t img_size;
    uint32_t load_addr;
    uint32_t reserved3;
    uint32_t entry;
    uint32_t reserved4;
    uint8_t hash[64];
} bpt_iib_t;

typedef __packed struct {
    uint32_t tag;
    uint8_t init_act[FL_SFS_INIT_ACT_SIZE];
    uint8_t xfer_config[FL_SFS_XFER_CONFIG_SIZE];
    uint8_t ospi_settings[FL_SFS_IP_SETTINGS_SIZE];
    uint8_t freq;
    uint8_t reserved[6];
    uint8_t sw_reset_info;
    uint8_t training_pattern[FL_SFS_TP_SIZE];
    uint32_t normal_img_base;
    uint32_t backup_img_base;
    uint32_t third_img_base;
    uint32_t crc32;
} sfs_t;

extern sfs_t *sfs;

extern int read_sfs(flash_wrapper_t *flash_wrapper);
extern int BptUpdate(flash_wrapper_t *flash_wrapper, void *img_base,
                     uint32_t link_base, uint32_t img_size, uint8_t core);

extern uint32_t BptGetIIBImgbase(bpt_v2_t *bpt, uint8_t core);
extern uint8_t bpt_buffer[FL_BPT_HEDAER_LEN];

#endif