211 				      struct nand_ecc_ctrl *ecc,  in rockchip_nand_hw_ecc_setup()  argument
218 	ecc->strength = strength;  in rockchip_nand_hw_ecc_setup()
219 	ecc->bytes = DIV_ROUND_UP(ecc->strength * 14, 8);  in rockchip_nand_hw_ecc_setup()
220 	ecc->bytes = ALIGN(ecc->bytes, 2);  in rockchip_nand_hw_ecc_setup()
222 	switch (ecc->strength) {  in rockchip_nand_hw_ecc_setup()
286 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in rockchip_nand_read_extra_oob()  local
287 	int offset = ((ecc->bytes + ecc->prepad) * ecc->steps);  in rockchip_nand_read_extra_oob()
301 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in rockchip_nand_write_extra_oob()  local
302 	int offset = ((ecc->bytes + ecc->prepad) * ecc->steps);  in rockchip_nand_write_extra_oob()
320 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in rockchip_nand_hw_syndrome_pio_read_page()  local
327 		rockchip_nand_hw_ecc_setup(mtd, ecc, NANDC_V6_BOOTROM_ECC);  in rockchip_nand_hw_syndrome_pio_read_page()
331 	for (step = 0; step < ecc->steps; step++) {  in rockchip_nand_hw_syndrome_pio_read_page()
332 		int data_off = step * ecc->size;  in rockchip_nand_hw_syndrome_pio_read_page()
333 		int oob_off = step * (ecc->bytes + ecc->prepad);  in rockchip_nand_hw_syndrome_pio_read_page()
352 		if ((step + 1) < ecc->steps)  in rockchip_nand_hw_syndrome_pio_read_page()
357 			     				(step & 1), ecc->size);  in rockchip_nand_hw_syndrome_pio_read_page()
368 		rockchip_nand_hw_ecc_setup(mtd, ecc, rknand->ecc_strength);  in rockchip_nand_hw_syndrome_pio_read_page()
395 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in rockchip_nand_hw_syndrome_pio_write_page()  local
399 	int data_off = step * ecc->size;  in rockchip_nand_hw_syndrome_pio_write_page()
400 	int oob_off = step * (ecc->bytes + ecc->prepad);  in rockchip_nand_hw_syndrome_pio_write_page()
405 		rockchip_nand_hw_ecc_setup(mtd, ecc, NANDC_V6_BOOTROM_ECC);  in rockchip_nand_hw_syndrome_pio_write_page()
410 	memcpy_toio(sram_base, data, ecc->size);  in rockchip_nand_hw_syndrome_pio_write_page()
411 	memcpy_toio(rknand->regs + NANDC_REG_V6_SPARE0, &index, ecc->prepad);  in rockchip_nand_hw_syndrome_pio_write_page()
413 	for (step = 1; step <= ecc->steps; step++) {  in rockchip_nand_hw_syndrome_pio_write_page()
417 		data_off = step * ecc->size;  in rockchip_nand_hw_syndrome_pio_write_page()
418 		oob_off = step * (ecc->bytes + ecc->prepad);  in rockchip_nand_hw_syndrome_pio_write_page()
422 		if (step < ecc->steps) {  in rockchip_nand_hw_syndrome_pio_write_page()
424 				    (step & 1), data, ecc->size);  in rockchip_nand_hw_syndrome_pio_write_page()
427 					    oob, ecc->prepad);  in rockchip_nand_hw_syndrome_pio_write_page()
430 					    oob, ecc->prepad);  in rockchip_nand_hw_syndrome_pio_write_page()
440 	rockchip_nand_hw_ecc_setup(mtd, ecc, rknand->ecc_strength);  in rockchip_nand_hw_syndrome_pio_write_page()
448 					  struct nand_ecc_ctrl *ecc)  in rockchip_nand_ecc_max_strength()  argument
452 	max_strength = ((mtd->oobsize / ecc->steps) - ecc->prepad) * 8 / 14;  in rockchip_nand_ecc_max_strength()
479 					  struct nand_ecc_ctrl *ecc)  in rockchip_nand_hw_ecc_ctrl_init()  argument
486 	ecc->prepad = 4;  in rockchip_nand_hw_ecc_ctrl_init()
487 	ecc->steps = mtd->writesize / ecc->size;  in rockchip_nand_hw_ecc_ctrl_init()
495 	if (rockchip_nand_strength_is_valid(ecc->strength))  in rockchip_nand_hw_ecc_ctrl_init()
496 		strength = ecc->strength;  in rockchip_nand_hw_ecc_ctrl_init()
498 		strength = rockchip_nand_ecc_max_strength(mtd, ecc);  in rockchip_nand_hw_ecc_ctrl_init()
500 	rockchip_nand_hw_ecc_setup(mtd, ecc, strength);  in rockchip_nand_hw_ecc_ctrl_init()
502 	rknand->ecc_strength = ecc->strength;  in rockchip_nand_hw_ecc_ctrl_init()
504 	nand_oob_fix.eccbytes = ecc->bytes * ecc->steps;  in rockchip_nand_hw_ecc_ctrl_init()
505 	for (index = 0; index < ecc->bytes; index++)  in rockchip_nand_hw_ecc_ctrl_init()
506 		nand_oob_fix.eccpos[index] = index + ecc->prepad;  in rockchip_nand_hw_ecc_ctrl_init()
507 	ecc->layout = &nand_oob_fix;  in rockchip_nand_hw_ecc_ctrl_init()
509 	if (mtd->oobsize < ((ecc->bytes + ecc->prepad) * ecc->steps)) {  in rockchip_nand_hw_ecc_ctrl_init()
517 				  struct nand_ecc_ctrl *ecc)  in rockchip_nand_ecc_init()  argument
521 	switch (ecc->mode) {  in rockchip_nand_ecc_init()
524 		ret = rockchip_nand_hw_ecc_ctrl_init(mtd, ecc);  in rockchip_nand_ecc_init()
527 		ecc->read_page =  rockchip_nand_hw_syndrome_pio_read_page;  in rockchip_nand_ecc_init()
528 		ecc->write_page = rockchip_nand_hw_syndrome_pio_write_page;  in rockchip_nand_ecc_init()
614 	ret = rockchip_nand_ecc_init(mtd, &chip->ecc);  in rockchip_nand_chip_init()