ONENAND_SYS_CFG1_SYNC_READ
this->write_word((syscfg & ~ONENAND_SYS_CFG1_SYNC_READ & ~ONENAND_SYS_CFG1_SYNC_WRITE), this->base + ONENAND_REG_SYS_CFG1);
this->mmcontrol(mtd, ONENAND_SYS_CFG1_SYNC_READ);
reg |= ONENAND_SYS_CFG1_SYNC_READ;
if (s3c_read_reg(MEM_CFG_OFFSET) & ONENAND_SYS_CFG1_SYNC_READ)