115 lines
2.6 KiB
C
115 lines
2.6 KiB
C
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#define HEADER_LEN 0x1000 /* length of the blank area + IVT + DCD */
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/*
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* ============================================================================
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* i.MX flash header v1 handling. Found on i.MX35 and i.MX51
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* ============================================================================
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*/
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#define DCD_BARKER 0xb17219e9
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struct imx_flash_header {
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uint32_t app_code_jump_vector;
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uint32_t app_code_barker;
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uint32_t app_code_csf;
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uint32_t dcd_ptr_ptr;
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uint32_t super_root_key;
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uint32_t dcd;
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uint32_t app_dest;
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uint32_t dcd_barker;
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uint32_t dcd_block_len;
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} __attribute__((packed));
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struct imx_boot_data {
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uint32_t start;
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uint32_t size;
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uint32_t plugin;
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} __attribute__((packed));
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struct imx_dcd_rec_v1 {
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uint32_t type;
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uint32_t addr;
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uint32_t val;
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} __attribute__((packed));
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#define TAG_IVT_HEADER 0xd1
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#define IVT_VERSION 0x40
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#define TAG_DCD_HEADER 0xd2
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#define DCD_VERSION 0x40
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#define TAG_UNLOCK 0xb2
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#define TAG_NOP 0xc0
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#define TAG_WRITE 0xcc
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#define TAG_CHECK 0xcf
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#define PARAMETER_FLAG_MASK (1 << 3)
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#define PARAMETER_FLAG_SET (1 << 4)
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struct imx_ivt_header {
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uint8_t tag;
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uint16_t length;
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uint8_t version;
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} __attribute__((packed));
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struct imx_flash_header_v2 {
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struct imx_ivt_header header;
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uint32_t entry;
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uint32_t reserved1;
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uint32_t dcd_ptr;
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uint32_t boot_data_ptr;
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uint32_t self;
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uint32_t csf;
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uint32_t reserved2;
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struct imx_boot_data boot_data;
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struct imx_ivt_header dcd_header;
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} __attribute__((packed));
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struct config_data {
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uint32_t image_load_addr;
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uint32_t image_dcd_offset;
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uint32_t image_size;
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uint32_t load_size;
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char *outfile;
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char *srkfile;
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int header_version;
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int cpu_type;
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int (*check)(const struct config_data *data, uint32_t cmd,
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uint32_t addr, uint32_t mask);
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int (*write_mem)(const struct config_data *data, uint32_t addr,
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uint32_t val, int width, int set_bits, int clear_bits);
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int (*nop)(const struct config_data *data);
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int csf_space;
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char *csf;
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};
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#define MAX_RECORDS_DCD_V2 1024
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struct imx_dcd_v2_write_rec {
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uint32_t addr;
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uint32_t val;
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} __attribute__((packed));
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struct imx_dcd_v2_write {
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uint8_t tag;
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uint16_t length;
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uint8_t param;
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struct imx_dcd_v2_write_rec data[MAX_RECORDS_DCD_V2];
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} __attribute__((packed));
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struct imx_dcd_v2_check {
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uint8_t tag;
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uint16_t length;
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uint8_t param;
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uint32_t addr;
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uint32_t mask;
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uint32_t count;
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} __attribute__((packed));
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enum imx_dcd_v2_check_cond {
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check_all_bits_clear = 0,
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check_all_bits_set = 1,
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check_any_bit_clear = 2,
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check_any_bit_set = 3,
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} __attribute__((packed));
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int parse_config(struct config_data *data, const char *filename);
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