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| author | Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> | 2009-03-24 18:27:24 +0900 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-03-24 09:39:46 +0000 |
| commit | c0e6616ae69774f42fda7a8cc5dc699aff311b40 (patch) | |
| tree | 10344150d27569dccbe06c21a28866268d7b7b31 /drivers/mtd/nand | |
| parent | 158772c2d4178525365dd46b8223184a861df58f (diff) | |
| download | linux-c0e6616ae69774f42fda7a8cc5dc699aff311b40.tar.bz2 | |
[MTD] [NAND] sh_flctl: fix hardware ecc handling for 2048 byte page
Signed-off-by: Jeremy Baker <Jeremy.Baker@renesas.com>
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/sh_flctl.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index 821acb08ff1c..2bc896623e2d 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c @@ -58,7 +58,7 @@ static struct nand_bbt_descr flctl_4secc_smallpage = { }; static struct nand_bbt_descr flctl_4secc_largepage = { - .options = 0, + .options = NAND_BBT_SCAN2NDPAGE, .offs = 58, .len = 2, .pattern = scan_ff_pattern, @@ -149,7 +149,7 @@ static void wait_wfifo_ready(struct sh_flctl *flctl) printk(KERN_ERR "wait_wfifo_ready(): Timeout occured \n"); } -static int wait_recfifo_ready(struct sh_flctl *flctl) +static int wait_recfifo_ready(struct sh_flctl *flctl, int sector_number) { uint32_t timeout = LOOP_TIMEOUT_MAX; int checked[4]; @@ -183,7 +183,12 @@ static int wait_recfifo_ready(struct sh_flctl *flctl) uint8_t org; int index; - index = data >> 16; + if (flctl->page_size) + index = (512 * sector_number) + + (data >> 16); + else + index = data >> 16; + org = flctl->done_buff[index]; flctl->done_buff[index] = org ^ (data & 0xFF); checked[i] = 1; @@ -238,14 +243,14 @@ static void read_fiforeg(struct sh_flctl *flctl, int rlen, int offset) } } -static int read_ecfiforeg(struct sh_flctl *flctl, uint8_t *buff) +static int read_ecfiforeg(struct sh_flctl *flctl, uint8_t *buff, int sector) { int i; unsigned long *ecc_buf = (unsigned long *)buff; void *fifo_addr = (void *)FLECFIFO(flctl); for (i = 0; i < 4; i++) { - if (wait_recfifo_ready(flctl)) + if (wait_recfifo_ready(flctl , sector)) return 1; ecc_buf[i] = readl(fifo_addr); ecc_buf[i] = be32_to_cpu(ecc_buf[i]); @@ -384,7 +389,8 @@ static void execmd_read_page_sector(struct mtd_info *mtd, int page_addr) read_fiforeg(flctl, 512, 512 * sector); ret = read_ecfiforeg(flctl, - &flctl->done_buff[mtd->writesize + 16 * sector]); + &flctl->done_buff[mtd->writesize + 16 * sector], + sector); if (ret) flctl->hwecc_cant_correct[sector] = 1; |