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| author | Jason <r64343@freescale.com> | 2009-07-15 14:12:05 +0800 |
|---|---|---|
| committer | Fred Fan <r01011@freescale.com> | 2009-09-10 17:02:19 +0800 |
| commit | afbf753cb44a5b7dfb8bcff430b48a4999214f02 (patch) | |
| tree | 01f24cec4ea4931a1bd4dcd80233098d1f08097c /drivers | |
| parent | 8e3b08b52e42479af49da3dd41f613735411b7b2 (diff) | |
| download | u-boot-imx-afbf753cb44a5b7dfb8bcff430b48a4999214f02.zip u-boot-imx-afbf753cb44a5b7dfb8bcff430b48a4999214f02.tar.gz u-boot-imx-afbf753cb44a5b7dfb8bcff430b48a4999214f02.tar.bz2 | |
ENGR00114236 Disable NAND driver interleave mode support
Disable NAND driver interleave mode support
Signed-off-by:Jason Liu <r64343@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/mxc_nand.c | 36 |
1 files changed, 13 insertions, 23 deletions
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index ae02d6a..f6dd23b 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -1069,7 +1069,7 @@ static uint8_t mirror_pattern[] = { '1', 't', 'b', 'B' }; static struct nand_bbt_descr bbt_main_descr = { .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE - | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP, + | NAND_BBT_2BIT | NAND_BBT_VERSION, .offs = 0, .len = 4, .veroffs = 4, @@ -1079,7 +1079,7 @@ static struct nand_bbt_descr bbt_main_descr = { static struct nand_bbt_descr bbt_mirror_descr = { .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE - | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP, + | NAND_BBT_2BIT | NAND_BBT_VERSION, .offs = 0, .len = 4, .veroffs = 4, @@ -1094,6 +1094,17 @@ static int mxc_nand_scan_bbt(struct mtd_info *mtd) info->page_mask = this->pagemask; + /* limit to 2G size due to Kernel + * larger 4G space support,need fix + * it later + */ + if (mtd->size == 0) { + mtd->size = 1 << 31; + this->numchips = 1; + this->chipsize = mtd->size; + } + + if (IS_2K_PAGE_NAND) { NFC_SET_NFMS(1 << NFMS_NF_PG_SZ); this->ecc.layout = &nand_hw_eccoob_2k; @@ -1107,27 +1118,6 @@ static int mxc_nand_scan_bbt(struct mtd_info *mtd) info->large_page = 0; } - /* reconfig for interleave mode */ - - if (this->numchips > 1 && info->auto_mode) { - info->num_of_intlv = this->numchips; - this->numchips = 1; - - /* FIXEME:need remove it - * when kernel support - * 4G larger space - */ - mtd->size = this->chipsize; - mtd->erasesize *= info->num_of_intlv; - mtd->writesize *= info->num_of_intlv; - mtd->oobsize *= info->num_of_intlv; - this->page_shift = ffs(mtd->writesize) - 1; - this->bbt_erase_shift = - this->phys_erase_shift = ffs(mtd->erasesize) - 1; - this->chip_shift = ffs(this->chipsize) - 1; - this->oob_poi = this->buffers->databuf + mtd->writesize; - } - /* propagate ecc.layout to mtd_info */ mtd->ecclayout = this->ecc.layout; |