316 	if (chip->ecc.strength == FMC2_ECC_BCH8) {  in stm32_fmc2_setup()
319 	} else if (chip->ecc.strength == FMC2_ECC_BCH4) {  in stm32_fmc2_setup()
383 		dma_cfg.src_addr += chip->ecc.strength == FMC2_ECC_HAM ?  in stm32_fmc2_select_chip()
394 		fmc2->dma_ecc_len = chip->ecc.strength == FMC2_ECC_HAM ?  in stm32_fmc2_select_chip()
498 	if (chip->ecc.strength != FMC2_ECC_HAM) {  in stm32_fmc2_hwctl()
520 static inline void stm32_fmc2_ham_set_ecc(const u32 ecc_sta, u8 *ecc)  in stm32_fmc2_ham_set_ecc()  argument
522 	ecc[0] = ecc_sta;  in stm32_fmc2_ham_set_ecc()
523 	ecc[1] = ecc_sta >> 8;  in stm32_fmc2_ham_set_ecc()
524 	ecc[2] = ecc_sta >> 16;  in stm32_fmc2_ham_set_ecc()
528 				    u8 *ecc)  in stm32_fmc2_ham_calculate()  argument
544 	stm32_fmc2_ham_set_ecc(heccr, ecc);  in stm32_fmc2_ham_calculate()
610 				    u8 *ecc)  in stm32_fmc2_bch_calculate()  argument
625 	ecc[0] = bchpbr;  in stm32_fmc2_bch_calculate()
626 	ecc[1] = bchpbr >> 8;  in stm32_fmc2_bch_calculate()
627 	ecc[2] = bchpbr >> 16;  in stm32_fmc2_bch_calculate()
628 	ecc[3] = bchpbr >> 24;  in stm32_fmc2_bch_calculate()
631 	ecc[4] = bchpbr;  in stm32_fmc2_bch_calculate()
632 	ecc[5] = bchpbr >> 8;  in stm32_fmc2_bch_calculate()
633 	ecc[6] = bchpbr >> 16;  in stm32_fmc2_bch_calculate()
635 	if (chip->ecc.strength == FMC2_ECC_BCH8) {  in stm32_fmc2_bch_calculate()
636 		ecc[7] = bchpbr >> 24;  in stm32_fmc2_bch_calculate()
639 		ecc[8] = bchpbr;  in stm32_fmc2_bch_calculate()
640 		ecc[9] = bchpbr >> 8;  in stm32_fmc2_bch_calculate()
641 		ecc[10] = bchpbr >> 16;  in stm32_fmc2_bch_calculate()
642 		ecc[11] = bchpbr >> 24;  in stm32_fmc2_bch_calculate()
645 		ecc[12] = bchpbr;  in stm32_fmc2_bch_calculate()
717 	return stm32_fmc2_bch_decode(chip->ecc.size, dat, ecc_sta);  in stm32_fmc2_bch_correct()
724 	int ret, i, s, stat, eccsize = chip->ecc.size;  in stm32_fmc2_read_page()
725 	int eccbytes = chip->ecc.bytes;  in stm32_fmc2_read_page()
726 	int eccsteps = chip->ecc.steps;  in stm32_fmc2_read_page()
727 	int eccstrength = chip->ecc.strength;  in stm32_fmc2_read_page()
729 	u8 *ecc_calc = chip->ecc.calc_buf;  in stm32_fmc2_read_page()
730 	u8 *ecc_code = chip->ecc.code_buf;  in stm32_fmc2_read_page()
739 		chip->ecc.hwctl(chip, NAND_ECC_READ);  in stm32_fmc2_read_page()
754 		stat = chip->ecc.correct(chip, p, ecc_code, ecc_calc);  in stm32_fmc2_read_page()
836 	csqcfgr3 = FMC2_CSQCFGR3_SNBR(chip->ecc.steps - 1);  in stm32_fmc2_rw_page_init()
894 	int eccsteps = chip->ecc.steps;  in stm32_fmc2_xfer()
895 	int eccsize = chip->ecc.size;  in stm32_fmc2_xfer()
1084 	int eccbytes = chip->ecc.bytes;  in stm32_fmc2_sequencer_correct()
1085 	int eccsteps = chip->ecc.steps;  in stm32_fmc2_sequencer_correct()
1086 	int eccstrength = chip->ecc.strength;  in stm32_fmc2_sequencer_correct()
1087 	int i, s, eccsize = chip->ecc.size;  in stm32_fmc2_sequencer_correct()
1142 	u8 *ecc_calc = chip->ecc.calc_buf;  in stm32_fmc2_sequencer_read_page()
1143 	u8 *ecc_code = chip->ecc.code_buf;  in stm32_fmc2_sequencer_read_page()
1179 					 chip->ecc.total);  in stm32_fmc2_sequencer_read_page()
1184 	return chip->ecc.correct(chip, buf, ecc_code, ecc_calc);  in stm32_fmc2_sequencer_read_page()
1617 		chip->ecc.correct = stm32_fmc2_sequencer_correct;  in stm32_fmc2_nand_callbacks_setup()
1618 		chip->ecc.write_page = stm32_fmc2_sequencer_write_page;  in stm32_fmc2_nand_callbacks_setup()
1619 		chip->ecc.read_page = stm32_fmc2_sequencer_read_page;  in stm32_fmc2_nand_callbacks_setup()
1620 		chip->ecc.write_page_raw = stm32_fmc2_sequencer_write_page_raw;  in stm32_fmc2_nand_callbacks_setup()
1621 		chip->ecc.read_page_raw = stm32_fmc2_sequencer_read_page_raw;  in stm32_fmc2_nand_callbacks_setup()
1624 		chip->ecc.hwctl = stm32_fmc2_hwctl;  in stm32_fmc2_nand_callbacks_setup()
1625 		if (chip->ecc.strength == FMC2_ECC_HAM) {  in stm32_fmc2_nand_callbacks_setup()
1627 			chip->ecc.calculate = stm32_fmc2_ham_calculate;  in stm32_fmc2_nand_callbacks_setup()
1628 			chip->ecc.correct = stm32_fmc2_ham_correct;  in stm32_fmc2_nand_callbacks_setup()
1629 			chip->ecc.options |= NAND_ECC_GENERIC_ERASED_CHECK;  in stm32_fmc2_nand_callbacks_setup()
1632 			chip->ecc.calculate = stm32_fmc2_bch_calculate;  in stm32_fmc2_nand_callbacks_setup()
1633 			chip->ecc.correct = stm32_fmc2_bch_correct;  in stm32_fmc2_nand_callbacks_setup()
1634 			chip->ecc.read_page = stm32_fmc2_read_page;  in stm32_fmc2_nand_callbacks_setup()
1639 	if (chip->ecc.strength == FMC2_ECC_HAM)  in stm32_fmc2_nand_callbacks_setup()
1640 		chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 4 : 3;  in stm32_fmc2_nand_callbacks_setup()
1641 	else if (chip->ecc.strength == FMC2_ECC_BCH8)  in stm32_fmc2_nand_callbacks_setup()
1642 		chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 14 : 13;  in stm32_fmc2_nand_callbacks_setup()
1644 		chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 8 : 7;  in stm32_fmc2_nand_callbacks_setup()
1652 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in stm32_fmc2_nand_ooblayout_ecc()  local
1657 	oobregion->length = ecc->total;  in stm32_fmc2_nand_ooblayout_ecc()
1667 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in stm32_fmc2_nand_ooblayout_free()  local
1672 	oobregion->length = mtd->oobsize - ecc->total - FMC2_BBM_LEN;  in stm32_fmc2_nand_ooblayout_free()
1673 	oobregion->offset = ecc->total + FMC2_BBM_LEN;  in stm32_fmc2_nand_ooblayout_free()
1679 	.ecc = stm32_fmc2_nand_ooblayout_ecc,
1716 	if (chip->ecc.mode != NAND_ECC_HW) {  in stm32_fmc2_attach_chip()
1728 	if (mtd->writesize / chip->ecc.size > FMC2_MAX_SG) {  in stm32_fmc2_attach_chip()
1932 	chip->ecc.mode = NAND_ECC_HW;  in stm32_fmc2_probe()
1933 	chip->ecc.size = FMC2_ECC_STEP_SIZE;  in stm32_fmc2_probe()
1934 	chip->ecc.strength = FMC2_ECC_BCH8;  in stm32_fmc2_probe()