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| author | Amul Kumar Saha <amul.saha@samsung.com> | 2009-11-06 17:15:31 +0530 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2009-11-13 16:56:18 -0600 |
| commit | cacbe919584193f64e74088e03f068e52775bb86 (patch) | |
| tree | 4ef455ca413a90d2d5c90e85233826e3a6b75ca0 /drivers/mtd/onenand/onenand_bbt.c | |
| parent | 35209cbceebe212a8c5ec17d552960f8bd4725f3 (diff) | |
| download | u-boot-imx-cacbe919584193f64e74088e03f068e52775bb86.zip u-boot-imx-cacbe919584193f64e74088e03f068e52775bb86.tar.gz u-boot-imx-cacbe919584193f64e74088e03f068e52775bb86.tar.bz2 | |
Flex-OneNAND driver support
This patch adds support for Flex-OneNAND devices.
Signed-off-by: Rohit Hagargundgi <h.rohit@samsung.com>
Signed-off-by: Amul Kumar Saha <amul.saha@samsung.com>
Diffstat (limited to 'drivers/mtd/onenand/onenand_bbt.c')
| -rw-r--r-- | drivers/mtd/onenand/onenand_bbt.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c index d538f95..1354877 100644 --- a/drivers/mtd/onenand/onenand_bbt.c +++ b/drivers/mtd/onenand/onenand_bbt.c @@ -69,6 +69,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t * buf, loff_t from; size_t readlen, ooblen; struct mtd_oob_ops ops; + int rgn; printk(KERN_INFO "Scanning device for bad blocks\n"); @@ -82,7 +83,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t * buf, /* Note that numblocks is 2 * (real numblocks) here; * see i += 2 below as it makses shifting and masking less painful */ - numblocks = mtd->size >> (bbm->bbt_erase_shift - 1); + numblocks = this->chipsize >> (bbm->bbt_erase_shift - 1); startblock = 0; from = 0; @@ -115,7 +116,12 @@ static int create_bbt(struct mtd_info *mtd, uint8_t * buf, } } i += 2; - from += (1 << bbm->bbt_erase_shift); + + if (FLEXONENAND(this)) { + rgn = flexonenand_region(mtd, from); + from += mtd->eraseregions[rgn].erasesize; + } else + from += (1 << bbm->bbt_erase_shift); } return 0; @@ -152,7 +158,7 @@ static int onenand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt) uint8_t res; /* Get block number * 2 */ - block = (int)(offs >> (bbm->bbt_erase_shift - 1)); + block = (int) (onenand_block(this, offs) << 1); res = (bbm->bbt[block >> 3] >> (block & 0x06)) & 0x03; MTDDEBUG (MTD_DEBUG_LEVEL2, @@ -191,7 +197,7 @@ int onenand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd) struct bbm_info *bbm = this->bbm; int len, ret = 0; - len = mtd->size >> (this->erase_shift + 2); + len = this->chipsize >> (this->erase_shift + 2); /* Allocate memory (2bit per block) */ bbm->bbt = malloc(len); if (!bbm->bbt) { |