317 	if (chip->ecc.strength == FMC2_ECC_BCH8) {  in stm32_fmc2_nfc_setup()
320 	} else if (chip->ecc.strength == FMC2_ECC_BCH4) {  in stm32_fmc2_nfc_setup()
379 		dma_cfg.src_addr += chip->ecc.strength == FMC2_ECC_HAM ?  in stm32_fmc2_nfc_select_chip()
390 		nfc->dma_ecc_len = chip->ecc.strength == FMC2_ECC_HAM ?  in stm32_fmc2_nfc_select_chip()
468 	if (chip->ecc.strength != FMC2_ECC_HAM) {  in stm32_fmc2_nfc_hwctl()
485 static void stm32_fmc2_nfc_ham_set_ecc(const u32 ecc_sta, u8 *ecc)  in stm32_fmc2_nfc_ham_set_ecc()  argument
487 	ecc[0] = ecc_sta;  in stm32_fmc2_nfc_ham_set_ecc()
488 	ecc[1] = ecc_sta >> 8;  in stm32_fmc2_nfc_ham_set_ecc()
489 	ecc[2] = ecc_sta >> 16;  in stm32_fmc2_nfc_ham_set_ecc()
493 					u8 *ecc)  in stm32_fmc2_nfc_ham_calculate()  argument
508 	stm32_fmc2_nfc_ham_set_ecc(heccr, ecc);  in stm32_fmc2_nfc_ham_calculate()
574 					u8 *ecc)  in stm32_fmc2_nfc_bch_calculate()  argument
589 	ecc[0] = bchpbr;  in stm32_fmc2_nfc_bch_calculate()
590 	ecc[1] = bchpbr >> 8;  in stm32_fmc2_nfc_bch_calculate()
591 	ecc[2] = bchpbr >> 16;  in stm32_fmc2_nfc_bch_calculate()
592 	ecc[3] = bchpbr >> 24;  in stm32_fmc2_nfc_bch_calculate()
595 	ecc[4] = bchpbr;  in stm32_fmc2_nfc_bch_calculate()
596 	ecc[5] = bchpbr >> 8;  in stm32_fmc2_nfc_bch_calculate()
597 	ecc[6] = bchpbr >> 16;  in stm32_fmc2_nfc_bch_calculate()
599 	if (chip->ecc.strength == FMC2_ECC_BCH8) {  in stm32_fmc2_nfc_bch_calculate()
600 		ecc[7] = bchpbr >> 24;  in stm32_fmc2_nfc_bch_calculate()
603 		ecc[8] = bchpbr;  in stm32_fmc2_nfc_bch_calculate()
604 		ecc[9] = bchpbr >> 8;  in stm32_fmc2_nfc_bch_calculate()
605 		ecc[10] = bchpbr >> 16;  in stm32_fmc2_nfc_bch_calculate()
606 		ecc[11] = bchpbr >> 24;  in stm32_fmc2_nfc_bch_calculate()
609 		ecc[12] = bchpbr;  in stm32_fmc2_nfc_bch_calculate()
674 	return stm32_fmc2_nfc_bch_decode(chip->ecc.size, dat, ecc_sta);  in stm32_fmc2_nfc_bch_correct()
681 	int ret, i, s, stat, eccsize = chip->ecc.size;  in stm32_fmc2_nfc_read_page()
682 	int eccbytes = chip->ecc.bytes;  in stm32_fmc2_nfc_read_page()
683 	int eccsteps = chip->ecc.steps;  in stm32_fmc2_nfc_read_page()
684 	int eccstrength = chip->ecc.strength;  in stm32_fmc2_nfc_read_page()
686 	u8 *ecc_calc = chip->ecc.calc_buf;  in stm32_fmc2_nfc_read_page()
687 	u8 *ecc_code = chip->ecc.code_buf;  in stm32_fmc2_nfc_read_page()
696 		chip->ecc.hwctl(chip, NAND_ECC_READ);  in stm32_fmc2_nfc_read_page()
711 		stat = chip->ecc.correct(chip, p, ecc_code, ecc_calc);  in stm32_fmc2_nfc_read_page()
792 	cfg[2] = FIELD_PREP(FMC2_CSQCFGR3_SNBR, chip->ecc.steps - 1);  in stm32_fmc2_nfc_rw_page_init()
845 	int eccsteps = chip->ecc.steps;  in stm32_fmc2_nfc_xfer()
846 	int eccsize = chip->ecc.size;  in stm32_fmc2_nfc_xfer()
1032 	int eccbytes = chip->ecc.bytes;  in stm32_fmc2_nfc_seq_correct()
1033 	int eccsteps = chip->ecc.steps;  in stm32_fmc2_nfc_seq_correct()
1034 	int eccstrength = chip->ecc.strength;  in stm32_fmc2_nfc_seq_correct()
1035 	int i, s, eccsize = chip->ecc.size;  in stm32_fmc2_nfc_seq_correct()
1091 	u8 *ecc_calc = chip->ecc.calc_buf;  in stm32_fmc2_nfc_seq_read_page()
1092 	u8 *ecc_code = chip->ecc.code_buf;  in stm32_fmc2_nfc_seq_read_page()
1127 					 chip->ecc.total);  in stm32_fmc2_nfc_seq_read_page()
1132 	return chip->ecc.correct(chip, buf, ecc_code, ecc_calc);  in stm32_fmc2_nfc_seq_read_page()
1615 		chip->ecc.correct = stm32_fmc2_nfc_seq_correct;  in stm32_fmc2_nfc_nand_callbacks_setup()
1616 		chip->ecc.write_page = stm32_fmc2_nfc_seq_write_page;  in stm32_fmc2_nfc_nand_callbacks_setup()
1617 		chip->ecc.read_page = stm32_fmc2_nfc_seq_read_page;  in stm32_fmc2_nfc_nand_callbacks_setup()
1618 		chip->ecc.write_page_raw = stm32_fmc2_nfc_seq_write_page_raw;  in stm32_fmc2_nfc_nand_callbacks_setup()
1619 		chip->ecc.read_page_raw = stm32_fmc2_nfc_seq_read_page_raw;  in stm32_fmc2_nfc_nand_callbacks_setup()
1622 		chip->ecc.hwctl = stm32_fmc2_nfc_hwctl;  in stm32_fmc2_nfc_nand_callbacks_setup()
1623 		if (chip->ecc.strength == FMC2_ECC_HAM) {  in stm32_fmc2_nfc_nand_callbacks_setup()
1625 			chip->ecc.calculate = stm32_fmc2_nfc_ham_calculate;  in stm32_fmc2_nfc_nand_callbacks_setup()
1626 			chip->ecc.correct = stm32_fmc2_nfc_ham_correct;  in stm32_fmc2_nfc_nand_callbacks_setup()
1627 			chip->ecc.options |= NAND_ECC_GENERIC_ERASED_CHECK;  in stm32_fmc2_nfc_nand_callbacks_setup()
1630 			chip->ecc.calculate = stm32_fmc2_nfc_bch_calculate;  in stm32_fmc2_nfc_nand_callbacks_setup()
1631 			chip->ecc.correct = stm32_fmc2_nfc_bch_correct;  in stm32_fmc2_nfc_nand_callbacks_setup()
1632 			chip->ecc.read_page = stm32_fmc2_nfc_read_page;  in stm32_fmc2_nfc_nand_callbacks_setup()
1637 	if (chip->ecc.strength == FMC2_ECC_HAM)  in stm32_fmc2_nfc_nand_callbacks_setup()
1638 		chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 4 : 3;  in stm32_fmc2_nfc_nand_callbacks_setup()
1639 	else if (chip->ecc.strength == FMC2_ECC_BCH8)  in stm32_fmc2_nfc_nand_callbacks_setup()
1640 		chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 14 : 13;  in stm32_fmc2_nfc_nand_callbacks_setup()
1642 		chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 8 : 7;  in stm32_fmc2_nfc_nand_callbacks_setup()
1649 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in stm32_fmc2_nfc_ooblayout_ecc()  local
1654 	oobregion->length = ecc->total;  in stm32_fmc2_nfc_ooblayout_ecc()
1664 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in stm32_fmc2_nfc_ooblayout_free()  local
1669 	oobregion->length = mtd->oobsize - ecc->total - FMC2_BBM_LEN;  in stm32_fmc2_nfc_ooblayout_free()
1670 	oobregion->offset = ecc->total + FMC2_BBM_LEN;  in stm32_fmc2_nfc_ooblayout_free()
1676 	.ecc = stm32_fmc2_nfc_ooblayout_ecc,
1711 	if (chip->ecc.engine_type != NAND_ECC_ENGINE_TYPE_ON_HOST) {  in stm32_fmc2_nfc_attach_chip()
1718 	if (!chip->ecc.size)  in stm32_fmc2_nfc_attach_chip()
1719 		chip->ecc.size = FMC2_ECC_STEP_SIZE;  in stm32_fmc2_nfc_attach_chip()
1721 	if (!chip->ecc.strength)  in stm32_fmc2_nfc_attach_chip()
1722 		chip->ecc.strength = FMC2_ECC_BCH8;  in stm32_fmc2_nfc_attach_chip()
1731 	if (mtd->writesize / chip->ecc.size > FMC2_MAX_SG) {  in stm32_fmc2_nfc_attach_chip()