/*
 * Copyright (c) 2021-2025 Yuntu Microelectronics Co., Ltd.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 */


/*! @addtogroup soc_support_YTM32B1HA0*/
/*! @{*/

/*!
 * @file secure_boot_YTM32B1HA0.h
 * @brief Device specific configuration file for YTM32B1HA0
 */

#ifndef SECURE_BOOT_YTM32B1HA0_H_
#define SECURE_BOOT_YTM32B1HA0_H_                        /**< Symbol preventing repeated inclusion */

#include <stdint.h>
#include <stdbool.h>

#ifdef __cplusplus
extern "C" {
#endif

#if defined (__ICCARM__)
#define SB_CONFIG_GROUP_SEG    @".sb_config_group"
#define SB_CONFIG_SECTION_SEG  @".sb_config_section"
#define SB_CMAC_SEG            @".sb_cmac"
#define BVT_HEADER_SEG         @".bvt_header"
#else
#define SB_CONFIG_GROUP_SEG    __attribute__((used)) __attribute__((section (".sb_config_group")))
#define SB_CONFIG_SECTION_SEG  __attribute__((used)) __attribute__((section (".sb_config_section")))
#define SB_CMAC_SEG            __attribute__((used)) __attribute__((section (".sb_cmac")))
#define BVT_HEADER_SEG         __attribute__((used)) __attribute__((section (".bvt_header")))
#endif

/* the max. secure boot section number, support max. 8 section for YTM32B1HAx */
#define MAX_SECURE_BOOT_SECT_NUM        ( 8u ) 
/* BVT valid marker */
#define BVT_VALID_MARK                  ( 0xA55AA55A )
/* Valid marker for secure boot group */
#define SECURE_BOOT_GROUP_MARKER        ( 0xACBEEFDD )
/* Valid marker for secure boot section */
#define SECURE_BOOT_SECTION_MARKER      ( 0x5AA5 ) 
/* Default start address */
#define DEFAULT_START_ADDRESS           ( 0x02000800 )

/* boot configuration word bit-filed definiton */
#define CPDIVS_SHIFT           (10)
#define ROM_BOOT_SCST_EN_BIT   (9)
#define APP_WDG_EN_BIT         (8)
#define BOOT_SEQ_STRICT_BIT    (7)
#define BOOT_SEQ_EN_BIT        (6)
#define CM7_2_S_EN_BIT         (5)
#define CM7_2_M_EN_BIT         (4)
#define CM7_1_S_EN_BIT         (3)
#define CM7_1_M_EN_BIT         (2)
#define CM7_0_S_EN_BIT         (1)
#define CM7_0_M_EN_BIT         (0)

#define  CPDIVS_MASK           (15)

#define BVT_BCW_CPDIVS_SET(x)  (((x) & CPDIVS_MASK) << CPDIVS_SHIFT)
#define BVT_BCW_CPDIVS_GET(x)  (((x) >> CPDIVS_SHIFT) & CPDIVS_MASK)
#define ROM_BOOT_SCST_EN       (1<<ROM_BOOT_SCST_EN_BIT)
#define APP_WDG_EN             (1<<APP_WDG_EN_BIT)
#define BOOT_SEQ_STRICT        (1<<BOOT_SEQ_STRICT_BIT)
#define BOOT_SEQ_EN            (1<<BOOT_SEQ_EN_BIT)
#define CM7_2_S_EN             (1<<CM7_2_S_EN_BIT)
#define CM7_2_M_EN             (1<<CM7_2_M_EN_BIT)
#define CM7_1_S_EN             (1<<CM7_1_S_EN_BIT)
#define CM7_1_M_EN             (1<<CM7_1_M_EN_BIT)
#define CM7_0_S_EN             (1<<CM7_0_S_EN_BIT)
#define CM7_0_M_EN             (1<<CM7_0_M_EN_BIT)

/*!
 * @brief Specify the key length to be used to implement the requested cryptographic
 * operation.
 *
 * Implements : hcu_key_len_t_Class
 */
typedef enum
{
    KEY_LEN_128_BITS = 0x00U, /*!< 128-bit key length */
    KEY_LEN_192_BITS = 0x01U, /*!< 192-bit key length */
    KEY_LEN_256_BITS = 0x02U, /*!< 256-bit key length */
} hcu_key_len_t;

/*!
 * @brief the config struct of secure boot section.
 *
 * Implements : secure_boot_section_config_t_Class
 */
typedef struct {
    uint16_t secure_boot_marker; /* 2B: fixed marker to identify the secure config */
    hcu_key_len_t aes_key_size; /* 1B: AES key type/size for the CMAC calculation, AES-128/192/256 */
    uint8_t key_slot;            /* 1B: allow to use 0~31 key group */
    uint32_t start_addr;         /* 4B: the start address of secure boot section for CMAC generation/authorization */
    uint32_t length;             /* 4B: the length of secure boot section for CMAC generation/authorization */
    uint32_t cmac_addr;          /* 4B: the CMAC result store address */
}secure_boot_section_config_t;

/*!
 * @brief the config struct of secure boot group
 *
 * Implements : secure_boot_group_config_t_Class
 */
typedef struct{
    uint32_t secure_boot_group_marker;/* 4B: fixed marker to identify the the secure boot group info */
    uint8_t secure_boot_section_num;  /* 1B: the secure boot section config number, limited by the max. support number of the device family */
    bool encrypt;                     /* 1B: the section config encrypt or not */ 
    hcu_key_len_t aes_key_size;      /* 1B: the AES key type/size for the encrypt */
    uint8_t key_slot;                 /* 1B: the key for section config encrypt, allow to use 0~31 key group */
    /* the secure boot section config struct pointers, it's configured per actual project/application requirements */
    uint32_t section_config_addr[MAX_SECURE_BOOT_SECT_NUM];
}secure_boot_group_config_t;

/*!
 * @brief the BVT structure type definition
 *
 * Implements : bvt_header_config_t_Class
 */
typedef struct{
    uint32_t bvt_marker;                /* BVT marker */
    uint32_t boot_config_word;          /* Boot configuration word */
    uint32_t sbt_config_group_addr;     /* secure boot start address */
    uint32_t lc_config;                 /* lifecycle configuration */
    uint32_t cm7_0_main_app_addr;       /* CM7_0 main core start address */
    uint32_t cm7_0_secondary_app_addr;  /* Reserved for CM7_0_SECONDARY_APP_ADDR */
    uint32_t cm7_1_main_app_addr;       /* Reserved for CM7_1_MAIN_APP_ADDR */
    uint32_t cm7_1_secondary_app_addr;  /* Reserved for CM7_1_SECONDARY_APP_ADDR */
    uint32_t cm7_2_main_app_addr;       /* Reserved for CM7_2_MAIN_APP_ADDR */
    uint32_t cm7_2_secondary_app_addr;  /* Reserved for CM7_2_SECONDARY_APP_ADDR */
    uint32_t app_wdg_timeout;           /* timeout set of the WDG watchdog of the  application core */
} bvt_header_config_t;

#ifdef __cplusplus
}
#endif

/*! @}*/
#endif  /* #if !defined(SECURE_BOOT_YTM32B1HA0_H_) */
