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Diffstat (limited to 'drivers/mtd/nand/mxc_nand.c')
-rw-r--r--drivers/mtd/nand/mxc_nand.c33
1 files changed, 7 insertions, 26 deletions
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 82e94389824e..0d76b169482f 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -623,8 +623,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
623 else 623 else
624 host->buf_start = column + mtd->writesize; 624 host->buf_start = column + mtd->writesize;
625 625
626 if (mtd->writesize > 512) 626 command = NAND_CMD_READ0; /* only READ0 is valid */
627 command = NAND_CMD_READ0; /* only READ0 is valid */
628 627
629 send_cmd(host, command, false); 628 send_cmd(host, command, false);
630 mxc_do_addr_cycle(mtd, column, page_addr); 629 mxc_do_addr_cycle(mtd, column, page_addr);
@@ -639,31 +638,11 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
639 break; 638 break;
640 639
641 case NAND_CMD_SEQIN: 640 case NAND_CMD_SEQIN:
642 if (column >= mtd->writesize) { 641 if (column >= mtd->writesize)
643 /* 642 /* call ourself to read a page */
644 * FIXME: before send SEQIN command for write OOB, 643 mxc_nand_command(mtd, NAND_CMD_READ0, 0, page_addr);
645 * We must read one page out.
646 * For K9F1GXX has no READ1 command to set current HW
647 * pointer to spare area, we must write the whole page
648 * including OOB together.
649 */
650 if (mtd->writesize > 512)
651 /* call ourself to read a page */
652 mxc_nand_command(mtd, NAND_CMD_READ0, 0,
653 page_addr);
654
655 host->buf_start = column;
656
657 /* Set program pointer to spare region */
658 if (mtd->writesize == 512)
659 send_cmd(host, NAND_CMD_READOOB, false);
660 } else {
661 host->buf_start = column;
662 644
663 /* Set program pointer to page start */ 645 host->buf_start = column;
664 if (mtd->writesize == 512)
665 send_cmd(host, NAND_CMD_READ0, false);
666 }
667 646
668 send_cmd(host, command, false); 647 send_cmd(host, command, false);
669 mxc_do_addr_cycle(mtd, column, page_addr); 648 mxc_do_addr_cycle(mtd, column, page_addr);
@@ -853,6 +832,8 @@ static int __init mxcnd_probe(struct platform_device *pdev)
853 parse_mtd_partitions(mtd, part_probes, &host->parts, 0); 832 parse_mtd_partitions(mtd, part_probes, &host->parts, 0);
854 if (nr_parts > 0) 833 if (nr_parts > 0)
855 add_mtd_partitions(mtd, host->parts, nr_parts); 834 add_mtd_partitions(mtd, host->parts, nr_parts);
835 else if (pdata->parts)
836 add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts);
856 else 837 else
857#endif 838#endif
858 { 839 {