aml_fw_len
struct aml_fw_len *fw_len = NULL;
fw_len = (struct aml_fw_len *)firmware->data;
iccm_start = (u8 *)(firmware->data) + sizeof(struct aml_fw_len)
dccm_start = (u8 *)(firmware->data) + sizeof(struct aml_fw_len) + fw_len->iccm_len;