148 	struct nand_chip chip;  member
154 static inline struct stm32_fmc2_nand *to_fmc2_nand(struct nand_chip *chip)  in to_fmc2_nand()  argument
156 	return container_of(chip, struct stm32_fmc2_nand, chip);  in to_fmc2_nand()
179 static void stm32_fmc2_timings_init(struct nand_chip *chip)  in stm32_fmc2_timings_init()  argument
181 	struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller);  in stm32_fmc2_timings_init()
182 	struct stm32_fmc2_nand *nand = to_fmc2_nand(chip);  in stm32_fmc2_timings_init()
211 static void stm32_fmc2_setup(struct nand_chip *chip)  in stm32_fmc2_setup()  argument
213 	struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller);  in stm32_fmc2_setup()
219 	if (chip->ecc.strength == FMC2_ECC_BCH8) {  in stm32_fmc2_setup()
222 	} else if (chip->ecc.strength == FMC2_ECC_BCH4) {  in stm32_fmc2_setup()
228 	if (chip->options & NAND_BUSWIDTH_16)  in stm32_fmc2_setup()
241 	struct nand_chip *chip = mtd_to_nand(mtd);  in stm32_fmc2_select_chip()  local
242 	struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller);  in stm32_fmc2_select_chip()
243 	struct stm32_fmc2_nand *nand = to_fmc2_nand(chip);  in stm32_fmc2_select_chip()
252 	chip->IO_ADDR_R = fmc2->data_base[fmc2->cs_sel];  in stm32_fmc2_select_chip()
253 	chip->IO_ADDR_W = fmc2->data_base[fmc2->cs_sel];  in stm32_fmc2_select_chip()
256 	stm32_fmc2_setup(chip);  in stm32_fmc2_select_chip()
259 	stm32_fmc2_timings_init(chip);  in stm32_fmc2_select_chip()
294 	struct nand_chip *chip = mtd_to_nand(mtd);  in stm32_fmc2_cmd_ctrl()  local
295 	struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller);  in stm32_fmc2_cmd_ctrl()
314 	struct nand_chip *chip = mtd_to_nand(mtd);  in stm32_fmc2_hwctl()  local
315 	struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller);  in stm32_fmc2_hwctl()
319 	if (chip->ecc.strength != FMC2_ECC_HAM) {  in stm32_fmc2_hwctl()
342 	struct nand_chip *chip = mtd_to_nand(mtd);  in stm32_fmc2_ham_calculate()  local
343 	struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller);  in stm32_fmc2_ham_calculate()
427 	struct nand_chip *chip = mtd_to_nand(mtd);  in stm32_fmc2_bch_calculate()  local
428 	struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller);  in stm32_fmc2_bch_calculate()
452 	if (chip->ecc.strength == FMC2_ECC_BCH8) {  in stm32_fmc2_bch_calculate()
475 	struct nand_chip *chip = mtd_to_nand(mtd);  in stm32_fmc2_bch_correct()  local
476 	struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller);  in stm32_fmc2_bch_correct()
479 	int i, ret, den, eccsize = chip->ecc.size;  in stm32_fmc2_bch_correct()
528 				struct nand_chip *chip, u8 *buf,  in stm32_fmc2_read_page()  argument
531 	int i, s, stat, eccsize = chip->ecc.size;  in stm32_fmc2_read_page()
532 	int eccbytes = chip->ecc.bytes;  in stm32_fmc2_read_page()
533 	int eccsteps = chip->ecc.steps;  in stm32_fmc2_read_page()
534 	int eccstrength = chip->ecc.strength;  in stm32_fmc2_read_page()
536 	u8 *ecc_calc = chip->buffers->ecccalc;  in stm32_fmc2_read_page()
537 	u8 *ecc_code = chip->buffers->ecccode;  in stm32_fmc2_read_page()
542 		chip->ecc.hwctl(mtd, NAND_ECC_READ);  in stm32_fmc2_read_page()
545 		chip->cmdfunc(mtd, NAND_CMD_RNDOUT, s * eccsize, -1);  in stm32_fmc2_read_page()
546 		chip->read_buf(mtd, p, eccsize);  in stm32_fmc2_read_page()
549 		chip->cmdfunc(mtd, NAND_CMD_RNDOUT, i, -1);  in stm32_fmc2_read_page()
550 		chip->read_buf(mtd, ecc_code, eccbytes);  in stm32_fmc2_read_page()
553 		stat = chip->ecc.correct(mtd, p, ecc_code, ecc_calc);  in stm32_fmc2_read_page()
571 		chip->cmdfunc(mtd, NAND_CMD_RNDOUT, mtd->writesize, -1);  in stm32_fmc2_read_page()
572 		chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);  in stm32_fmc2_read_page()
622 static void stm32_fmc2_calc_timings(struct nand_chip *chip,  in stm32_fmc2_calc_timings()  argument
625 	struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller);  in stm32_fmc2_calc_timings()
626 	struct stm32_fmc2_nand *nand = to_fmc2_nand(chip);  in stm32_fmc2_calc_timings()
787 	struct nand_chip *chip = mtd_to_nand(mtd);  in stm32_fmc2_setup_interface()  local
797 	stm32_fmc2_calc_timings(chip, sdrt);  in stm32_fmc2_setup_interface()
800 	stm32_fmc2_timings_init(chip);  in stm32_fmc2_setup_interface()
806 static void stm32_fmc2_nand_callbacks_setup(struct nand_chip *chip)  in stm32_fmc2_nand_callbacks_setup()  argument
808 	chip->ecc.hwctl = stm32_fmc2_hwctl;  in stm32_fmc2_nand_callbacks_setup()
814 	if (chip->ecc.strength == FMC2_ECC_HAM) {  in stm32_fmc2_nand_callbacks_setup()
816 		chip->ecc.calculate = stm32_fmc2_ham_calculate;  in stm32_fmc2_nand_callbacks_setup()
817 		chip->ecc.correct = stm32_fmc2_ham_correct;  in stm32_fmc2_nand_callbacks_setup()
818 		chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 4 : 3;  in stm32_fmc2_nand_callbacks_setup()
819 		chip->ecc.options |= NAND_ECC_GENERIC_ERASED_CHECK;  in stm32_fmc2_nand_callbacks_setup()
824 	chip->ecc.read_page = stm32_fmc2_read_page;  in stm32_fmc2_nand_callbacks_setup()
825 	chip->ecc.calculate = stm32_fmc2_bch_calculate;  in stm32_fmc2_nand_callbacks_setup()
826 	chip->ecc.correct = stm32_fmc2_bch_correct;  in stm32_fmc2_nand_callbacks_setup()
828 	if (chip->ecc.strength == FMC2_ECC_BCH8)  in stm32_fmc2_nand_callbacks_setup()
829 		chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 14 : 13;  in stm32_fmc2_nand_callbacks_setup()
831 		chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 8 : 7;  in stm32_fmc2_nand_callbacks_setup()
893 	nand->chip.flash_node = ofnode_to_offset(node);  in stm32_fmc2_parse_child()
930 	struct nand_chip *chip = &nand->chip;  in stm32_fmc2_probe()  local
931 	struct mtd_info *mtd = &chip->mtd;  in stm32_fmc2_probe()
1002 	chip->controller = &fmc2->base;  in stm32_fmc2_probe()
1003 	chip->select_chip = stm32_fmc2_select_chip;  in stm32_fmc2_probe()
1004 	chip->setup_data_interface = stm32_fmc2_setup_interface;  in stm32_fmc2_probe()
1005 	chip->cmd_ctrl = stm32_fmc2_cmd_ctrl;  in stm32_fmc2_probe()
1006 	chip->chip_delay = FMC2_RB_DELAY_US;  in stm32_fmc2_probe()
1007 	chip->options |= NAND_BUSWIDTH_AUTO | NAND_NO_SUBPAGE_WRITE |  in stm32_fmc2_probe()
1011 	chip->ecc.mode = NAND_ECC_HW;  in stm32_fmc2_probe()
1012 	chip->ecc.size = FMC2_ECC_STEP_SIZE;  in stm32_fmc2_probe()
1013 	chip->ecc.strength = FMC2_ECC_BCH8;  in stm32_fmc2_probe()
1027 	if (chip->ecc.mode != NAND_ECC_HW) {  in stm32_fmc2_probe()
1032 	ret = nand_check_ecc_caps(chip, &stm32_fmc2_ecc_caps,  in stm32_fmc2_probe()
1039 	if (chip->bbt_options & NAND_BBT_USE_FLASH)  in stm32_fmc2_probe()
1040 		chip->bbt_options |= NAND_BBT_NO_OOB;  in stm32_fmc2_probe()
1043 	stm32_fmc2_nand_callbacks_setup(chip);  in stm32_fmc2_probe()
1047 	ecclayout->eccbytes = chip->ecc.bytes *  in stm32_fmc2_probe()
1048 			      (mtd->writesize / chip->ecc.size);  in stm32_fmc2_probe()
1054 	chip->ecc.layout = ecclayout;  in stm32_fmc2_probe()
1057 	if (chip->options & NAND_BUSWIDTH_16)  in stm32_fmc2_probe()