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#define HEADER_LEN 0x1000 /* length of the blank area + IVT + DCD */
/*
* ============================================================================
* i.MX flash header v1 handling. Found on i.MX35 and i.MX51
* ============================================================================
*/
#define DCD_BARKER 0xb17219e9
struct imx_flash_header {
uint32_t app_code_jump_vector;
uint32_t app_code_barker;
uint32_t app_code_csf;
uint32_t dcd_ptr_ptr;
uint32_t super_root_key;
uint32_t dcd;
uint32_t app_dest;
uint32_t dcd_barker;
uint32_t dcd_block_len;
} __attribute__((packed));
struct imx_boot_data {
uint32_t start;
uint32_t size;
uint32_t plugin;
} __attribute__((packed));
struct imx_dcd_rec_v1 {
uint32_t type;
uint32_t addr;
uint32_t val;
} __attribute__((packed));
#define TAG_IVT_HEADER 0xd1
#define IVT_VERSION 0x40
#define TAG_DCD_HEADER 0xd2
#define DCD_VERSION 0x40
#define TAG_UNLOCK 0xb2
#define TAG_NOP 0xc0
#define TAG_WRITE 0xcc
#define TAG_CHECK 0xcf
#define PARAMETER_FLAG_MASK (1 << 3)
#define PARAMETER_FLAG_SET (1 << 4)
struct imx_ivt_header {
uint8_t tag;
uint16_t length;
uint8_t version;
} __attribute__((packed));
struct imx_flash_header_v2 {
struct imx_ivt_header header;
uint32_t entry;
uint32_t reserved1;
uint32_t dcd_ptr;
uint32_t boot_data_ptr;
uint32_t self;
uint32_t csf;
uint32_t reserved2;
struct imx_boot_data boot_data;
struct imx_ivt_header dcd_header;
} __attribute__((packed));
struct config_data {
uint32_t image_load_addr;
uint32_t image_dcd_offset;
uint32_t image_size;
uint32_t load_size;
char *outfile;
char *srkfile;
int header_version;
int cpu_type;
int (*check)(const struct config_data *data, uint32_t cmd,
uint32_t addr, uint32_t mask);
int (*write_mem)(const struct config_data *data, uint32_t addr,
uint32_t val, int width, int set_bits, int clear_bits);
int (*nop)(const struct config_data *data);
int csf_space;
char *csf;
};
#define MAX_RECORDS_DCD_V2 1024
struct imx_dcd_v2_write_rec {
uint32_t addr;
uint32_t val;
} __attribute__((packed));
struct imx_dcd_v2_write {
uint8_t tag;
uint16_t length;
uint8_t param;
struct imx_dcd_v2_write_rec data[MAX_RECORDS_DCD_V2];
} __attribute__((packed));
int parse_config(struct config_data *data, const char *filename);
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