/*
 * Copyright (c) Hisilicon Technologies Co., Ltd. 2014-2020. All rights reserved.
 * Description: boot
 * Author: SmartMedia_BSP
 * Create: 2014-06-04
 */

#ifndef BOOTH
#define BOOTH

typedef enum {
    BOOT_PARTITION_PRIMARY = 0,
    BOOT_PARTITION_BACKUP,
    BOOT_PARTITION_A,
    BOOT_PARTITION_B,
    BOOT_PARTITION_UNKNOWN
} boot_partition_flag;

typedef union {
    struct {
        unsigned int act_boot : 4;
        unsigned int exp_boot : 4;
        unsigned int primary_retry_times : 4;
        unsigned int backup_retry_times : 4;
        unsigned int reserved : 16;
    } bit;
    unsigned int u32;
} boot_flag_reg;

typedef int (*fn_init)(void);

extern unsigned int _bss_start;
extern unsigned int _bss_end;
extern unsigned int _text_end;
extern unsigned int _blank_zone_start;
extern unsigned int _blank_zone_end;

extern char __text_start[];
extern char __text_end[];
extern char __bss_start[];
extern char __bss_end[];
extern char __page_table_start[];
extern char __page_table_end[];
extern char __end[];
extern unsigned int __init_start;
extern unsigned int __init_end;
extern char __symbol_start[];
extern char __symbol_end[];

extern unsigned int g_fbl_version;
extern unsigned int g_fbl_version_mask;

/* arm system function */
extern void reboot(void);
extern void reset_cpu(unsigned long addr);
extern long long get_chipid_reg(void);
extern unsigned int get_ca_vendor_reg(void);

/* cpu.c */
extern unsigned int get_ca_vendor(void);

extern unsigned int get_timer_clock(void);

unsigned long long get_ddr_actual_size(void);
unsigned int get_ddr_size(void);

void start_cmdline(void);

int boot_start(void);
void app_init(void);
void uart_init(void);
void sysmem_init(void);
void key_area_init(void);
void bootargs_prepare(void);
void boot_second_bootloader(void);
void *get_fbl_key_area(unsigned int *length);
void switch_starup_partition(void);
#endif /* BOOTH */