nand/raw/mxc_nand.c

385 				      struct nand_chip *chip,  argument
388 	struct mxc_nand_host *host = nand_get_controller_data(chip);
389 	uint8_t *buf = chip->oob_poi;
391 	int eccpitch = chip->ecc.bytes + chip->ecc.prepad + chip->ecc.postpad;
398 	chip->cmdfunc(mtd, NAND_CMD_READOOB, mtd->writesize, page);
399 	for (i = 0; i < chip->ecc.steps; i++) {
400 		toread = min_t(int, length, chip->ecc.prepad);
402 			chip->read_buf(mtd, bufpoi, toread);
406 		bufpoi += chip->ecc.bytes;
407 		host->col_addr += chip->ecc.bytes;
408 		length -= chip->ecc.bytes;
410 		toread = min_t(int, length, chip->ecc.postpad);
412 			chip->read_buf(mtd, bufpoi, toread);
418 		chip->read_buf(mtd, bufpoi, length);
421 	chip->cmdfunc(mtd, NAND_CMD_READOOB,
422 			mtd->writesize + chip->ecc.prepad, page);
423 	bufpoi = buf + chip->ecc.prepad;
424 	length = mtd->oobsize - chip->ecc.prepad;
425 	for (i = 0; i < chip->ecc.steps; i++) {
426 		toread = min_t(int, length, chip->ecc.bytes);
427 		chip->read_buf(mtd, bufpoi, toread);
430 		host->col_addr += chip->ecc.postpad + chip->ecc.prepad;
437 					   struct nand_chip *chip,  argument
442 	struct mxc_nand_host *host = nand_get_controller_data(chip);
443 	int eccsize = chip->ecc.size;
444 	int eccbytes = chip->ecc.bytes;
445 	int eccpitch = eccbytes + chip->ecc.prepad + chip->ecc.postpad;
446 	uint8_t *oob = chip->oob_poi;
451 	chip->cmdfunc(mtd, NAND_CMD_READ0, 0x00, page);
453 	for (n = 0, steps = chip->ecc.steps; steps > 0; n++, steps--) {
455 		chip->read_buf(mtd, buf, eccsize);
459 		if (chip->ecc.prepad) {
460 			chip->read_buf(mtd, oob, chip->ecc.prepad);
461 			oob += chip->ecc.prepad;
464 		chip->read_buf(mtd, oob, eccbytes);
467 		if (chip->ecc.postpad) {
468 			chip->read_buf(mtd, oob, chip->ecc.postpad);
469 			oob += chip->ecc.postpad;
473 	size = mtd->oobsize - (oob - chip->oob_poi);
475 		chip->read_buf(mtd, oob, size);
482 				       struct nand_chip *chip,  argument
487 	struct mxc_nand_host *host = nand_get_controller_data(chip);
488 	int n, eccsize = chip->ecc.size;
489 	int eccbytes = chip->ecc.bytes;
490 	int eccpitch = eccbytes + chip->ecc.prepad + chip->ecc.postpad;
491 	int eccsteps = chip->ecc.steps;
493 	uint8_t *oob = chip->oob_poi;
504 		chip->read_buf(mtd, p, eccsize);
508 		if (chip->ecc.prepad) {
509 			chip->read_buf(mtd, oob, chip->ecc.prepad);
510 			oob += chip->ecc.prepad;
513 		stat = chip->ecc.correct(mtd, p, oob, NULL);
521 		if (chip->ecc.postpad) {
522 			chip->read_buf(mtd, oob, chip->ecc.postpad);
523 			oob += chip->ecc.postpad;
528 	n = mtd->oobsize - (oob - chip->oob_poi);
530 		chip->read_buf(mtd, oob, n);
534 	chip->cmdfunc(mtd, NAND_CMD_READOOB, mtd->writesize, page);
535 	eccsteps = chip->ecc.steps;
536 	oob = chip->oob_poi + chip->ecc.prepad;
540 				 chip->ecc.prepad;
541 		chip->read_buf(mtd, oob, eccbytes);
542 		oob += eccbytes + chip->ecc.postpad;
549 				       struct nand_chip *chip, int page)  argument
551 	struct mxc_nand_host *host = nand_get_controller_data(chip);
552 	int eccpitch = chip->ecc.bytes + chip->ecc.prepad + chip->ecc.postpad;
554 	int i, len, status, steps = chip->ecc.steps;
555 	const uint8_t *bufpoi = chip->oob_poi;
557 	chip->cmdfunc(mtd, NAND_CMD_SEQIN, mtd->writesize, page);
561 		chip->write_buf(mtd, bufpoi, len);
564 		host->col_addr += chip->ecc.prepad + chip->ecc.postpad;
567 		chip->write_buf(mtd, bufpoi, length);
569 	chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
570 	status = chip->waitfunc(mtd, chip);
575 					     struct nand_chip *chip,  argument
579 	struct mxc_nand_host *host = nand_get_controller_data(chip);
580 	int eccsize = chip->ecc.size;
581 	int eccbytes = chip->ecc.bytes;
582 	int eccpitch = eccbytes + chip->ecc.prepad + chip->ecc.postpad;
583 	uint8_t *oob = chip->oob_poi;
587 	for (n = 0, steps = chip->ecc.steps; steps > 0; n++, steps--) {
589 		chip->write_buf(mtd, buf, eccsize);
594 		if (chip->ecc.prepad) {
595 			chip->write_buf(mtd, oob, chip->ecc.prepad);
596 			oob += chip->ecc.prepad;
602 		if (chip->ecc.postpad) {
603 			chip->write_buf(mtd, oob, chip->ecc.postpad);
604 			oob += chip->ecc.postpad;
608 	size = mtd->oobsize - (oob - chip->oob_poi);
610 		chip->write_buf(mtd, oob, size);
615 					 struct nand_chip *chip,  argument
619 	struct mxc_nand_host *host = nand_get_controller_data(chip);
620 	int i, n, eccsize = chip->ecc.size;
621 	int eccbytes = chip->ecc.bytes;
622 	int eccpitch = eccbytes + chip->ecc.prepad + chip->ecc.postpad;
623 	int eccsteps = chip->ecc.steps;
625 	uint8_t *oob = chip->oob_poi;
627 	chip->ecc.hwctl(mtd, NAND_ECC_WRITE);
634 		chip->write_buf(mtd, p, eccsize);
638 		if (chip->ecc.prepad) {
639 			chip->write_buf(mtd, oob, chip->ecc.prepad);
640 			oob += chip->ecc.prepad;
643 		chip->write_buf(mtd, oob, eccbytes);
646 		if (chip->ecc.postpad) {
647 			chip->write_buf(mtd, oob, chip->ecc.postpad);
648 			oob += chip->ecc.postpad;
653 	i = mtd->oobsize - (oob - chip->oob_poi);
655 		chip->write_buf(mtd, oob, i);
949 static void mxc_nand_select_chip(struct mtd_info *mtd, int chip)  argument
954 	switch (chip) {