from sfdp.c:31
struct sfdp_basic_flash_param
{
uint32_t fast_addr;
uint32_t density;
uint32_t fast_1x4;
uint32_t fast_1x2;
uint32_t fast_444;
uint32_t read_222;
uint32_t read_444;
uint32_t erase_t12;
uint32_t erase_t34;
uint32_t erase_time;
uint32_t chip_byte;
uint32_t susp_time;
uint32_t susp_instr;
uint32_t pwrd_instr;
uint32_t quad_req;
uint32_t addr_reset;
uint32_t read_1x8;
uint32_t dtr_drive;
uint32_t octal_req;
uint32_t speed_888;
};