217 				      struct nand_ecc_ctrl *ecc,  in rockchip_nand_hw_ecc_setup()  argument
224 	ecc->strength = strength;  in rockchip_nand_hw_ecc_setup()
225 	ecc->bytes = DIV_ROUND_UP(ecc->strength * 14, 8);  in rockchip_nand_hw_ecc_setup()
226 	ecc->bytes = ALIGN(ecc->bytes, 2);  in rockchip_nand_hw_ecc_setup()
228 	switch (ecc->strength) {  in rockchip_nand_hw_ecc_setup()
287 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in rockchip_nand_read_extra_oob()  local
288 	int offset = ((ecc->bytes + ecc->prepad) * ecc->steps);  in rockchip_nand_read_extra_oob()
302 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in rockchip_nand_write_extra_oob()  local
303 	int offset = ((ecc->bytes + ecc->prepad) * ecc->steps);  in rockchip_nand_write_extra_oob()
321 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in rockchip_nand_hw_syndrome_pio_read_page()  local
328 		rockchip_nand_hw_ecc_setup(mtd, ecc, NANDC_V9_BOOTROM_ECC);  in rockchip_nand_hw_syndrome_pio_read_page()
332 	for (step = 0; step < ecc->steps; step++) {  in rockchip_nand_hw_syndrome_pio_read_page()
333 		int data_off = step * ecc->size;  in rockchip_nand_hw_syndrome_pio_read_page()
334 		int oob_off = step * (ecc->bytes + ecc->prepad);  in rockchip_nand_hw_syndrome_pio_read_page()
353 		if ((step + 1) < ecc->steps)  in rockchip_nand_hw_syndrome_pio_read_page()
358 			     				(step & 1), ecc->size);  in rockchip_nand_hw_syndrome_pio_read_page()
369 		rockchip_nand_hw_ecc_setup(mtd, ecc, rknand->ecc_strength);  in rockchip_nand_hw_syndrome_pio_read_page()
396 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in rockchip_nand_hw_syndrome_pio_write_page()  local
400 	int data_off = step * ecc->size;  in rockchip_nand_hw_syndrome_pio_write_page()
401 	int oob_off = step * (ecc->bytes + ecc->prepad);  in rockchip_nand_hw_syndrome_pio_write_page()
406 		rockchip_nand_hw_ecc_setup(mtd, ecc, NANDC_V9_BOOTROM_ECC);  in rockchip_nand_hw_syndrome_pio_write_page()
411 	memcpy_toio(sram_base, data, ecc->size);  in rockchip_nand_hw_syndrome_pio_write_page()
412 	memcpy_toio(rknand->regs + NANDC_REG_V9_SPARE0, &index, ecc->prepad);  in rockchip_nand_hw_syndrome_pio_write_page()
414 	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()
441 		rockchip_nand_hw_ecc_setup(mtd, ecc, rknand->ecc_strength);  in rockchip_nand_hw_syndrome_pio_write_page()
449 					  struct nand_ecc_ctrl *ecc)  in rockchip_nand_ecc_max_strength()  argument
453 	max_strength = ((mtd->oobsize / ecc->steps) - ecc->prepad) * 8 / 14;  in rockchip_nand_ecc_max_strength()
480 					  struct nand_ecc_ctrl *ecc)  in rockchip_nand_hw_ecc_ctrl_init()  argument
487 	ecc->prepad = 4;  in rockchip_nand_hw_ecc_ctrl_init()
488 	ecc->steps = mtd->writesize / ecc->size;  in rockchip_nand_hw_ecc_ctrl_init()
496 	if (rockchip_nand_strength_is_valid(ecc->strength))  in rockchip_nand_hw_ecc_ctrl_init()
497 		strength = ecc->strength;  in rockchip_nand_hw_ecc_ctrl_init()
499 		strength = rockchip_nand_ecc_max_strength(mtd, ecc);  in rockchip_nand_hw_ecc_ctrl_init()
501 	rockchip_nand_hw_ecc_setup(mtd, ecc, strength);  in rockchip_nand_hw_ecc_ctrl_init()
503 	rknand->ecc_strength = ecc->strength;  in rockchip_nand_hw_ecc_ctrl_init()
505 	nand_oob_fix.eccbytes = ecc->bytes * ecc->steps;  in rockchip_nand_hw_ecc_ctrl_init()
506 	for (index = 0; index < ecc->bytes; index++)  in rockchip_nand_hw_ecc_ctrl_init()
507 		nand_oob_fix.eccpos[index] = index + ecc->prepad;  in rockchip_nand_hw_ecc_ctrl_init()
508 	ecc->layout = &nand_oob_fix;  in rockchip_nand_hw_ecc_ctrl_init()
510 	if (mtd->oobsize < ((ecc->bytes + ecc->prepad) * ecc->steps)) {  in rockchip_nand_hw_ecc_ctrl_init()
518 				  struct nand_ecc_ctrl *ecc)  in rockchip_nand_ecc_init()  argument
522 	switch (ecc->mode) {  in rockchip_nand_ecc_init()
525 		ret = rockchip_nand_hw_ecc_ctrl_init(mtd, ecc);  in rockchip_nand_ecc_init()
528 		ecc->read_page =  rockchip_nand_hw_syndrome_pio_read_page;  in rockchip_nand_ecc_init()
529 		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()