diff options
| author | Stefan Agner <stefan@agner.ch> | 2015-05-08 19:07:10 +0200 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-05-24 14:26:55 -0500 |
| commit | 84d656a2836021c3707172707245ba3d87bd54c8 (patch) | |
| tree | d7a295eb92798173f1c2fb631f3ede0bc22a6c1a /drivers/mtd/nand | |
| parent | 5dec286b8233f658764497b10d455ba447167816 (diff) | |
| download | u-boot-imx-84d656a2836021c3707172707245ba3d87bd54c8.zip u-boot-imx-84d656a2836021c3707172707245ba3d87bd54c8.tar.gz u-boot-imx-84d656a2836021c3707172707245ba3d87bd54c8.tar.bz2 | |
mtd: vf610_nfc: use in-band bad block table
Use in-band bad block table (NAND_BBT_NO_OOB) which allows to
use the full OOB for hardare ECC purposes. Since there is no
ECC correction on the OOB it is also safer to use in-band area
to store the bad block table marker.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/vf610_nfc.c | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c index 5d72b4a..05cbdf3 100644 --- a/drivers/mtd/nand/vf610_nfc.c +++ b/drivers/mtd/nand/vf610_nfc.c @@ -155,29 +155,6 @@ struct vf610_nfc { #define mtd_to_nfc(_mtd) \ (struct vf610_nfc *)((struct nand_chip *)_mtd->priv)->priv -static u8 bbt_pattern[] = {'B', 'b', 't', '0' }; -static u8 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, - .offs = 11, - .len = 4, - .veroffs = 15, - .maxblocks = 4, - .pattern = bbt_pattern, -}; - -static struct nand_bbt_descr bbt_mirror_descr = { - .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE | - NAND_BBT_2BIT | NAND_BBT_VERSION, - .offs = 11, - .len = 4, - .veroffs = 15, - .maxblocks = 4, - .pattern = mirror_pattern, -}; - static struct nand_ecclayout vf610_nfc_ecc45 = { .eccbytes = 45, .eccpos = {19, 20, 21, 22, 23, @@ -624,10 +601,8 @@ static int vf610_nfc_nand_init(int devnum, void __iomem *addr) /* Bad block options. */ if (cfg.flash_bbt) - chip->bbt_options = NAND_BBT_USE_FLASH | NAND_BBT_CREATE; - - chip->bbt_td = &bbt_main_descr; - chip->bbt_md = &bbt_mirror_descr; + chip->bbt_options = NAND_BBT_USE_FLASH | NAND_BBT_NO_OOB | + NAND_BBT_CREATE; /* Set configuration register. */ vf610_nfc_clear(mtd, NFC_FLASH_CONFIG, CONFIG_ADDR_AUTO_INCR_BIT); |