diff options
Diffstat (limited to 'drivers/mtd/nand/raw/nand_samsung.c')
| -rw-r--r-- | drivers/mtd/nand/raw/nand_samsung.c | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/mtd/nand/raw/nand_samsung.c b/drivers/mtd/nand/raw/nand_samsung.c index e46d4c492ad8..5552ce20ede0 100644 --- a/drivers/mtd/nand/raw/nand_samsung.c +++ b/drivers/mtd/nand/raw/nand_samsung.c @@ -20,6 +20,9 @@ static void samsung_nand_decode_id(struct nand_chip *chip) { struct mtd_info *mtd = nand_to_mtd(chip); + struct nand_memory_organization *memorg; + + memorg = nanddev_get_memorg(&chip->base); /* New Samsung (6 byte ID): Samsung K9GAG08U0F (p.44) */ if (chip->id.len == 6 && !nand_is_slc(chip) && @@ -27,29 +30,30 @@ static void samsung_nand_decode_id(struct nand_chip *chip) u8 extid = chip->id.data[3]; /* Get pagesize */ - mtd->writesize = 2048 << (extid & 0x03); + memorg->pagesize = 2048 << (extid & 0x03); + mtd->writesize = memorg->pagesize; extid >>= 2; /* Get oobsize */ switch (((extid >> 2) & 0x4) | (extid & 0x3)) { case 1: - mtd->oobsize = 128; + memorg->oobsize = 128; break; case 2: - mtd->oobsize = 218; + memorg->oobsize = 218; break; case 3: - mtd->oobsize = 400; + memorg->oobsize = 400; break; case 4: - mtd->oobsize = 436; + memorg->oobsize = 436; break; case 5: - mtd->oobsize = 512; + memorg->oobsize = 512; break; case 6: - mtd->oobsize = 640; + memorg->oobsize = 640; break; default: /* @@ -62,31 +66,37 @@ static void samsung_nand_decode_id(struct nand_chip *chip) break; } + mtd->oobsize = memorg->oobsize; + /* Get blocksize */ extid >>= 2; + memorg->pages_per_eraseblock = (128 * 1024) << + (((extid >> 1) & 0x04) | + (extid & 0x03)) / + memorg->pagesize; mtd->erasesize = (128 * 1024) << (((extid >> 1) & 0x04) | (extid & 0x03)); /* Extract ECC requirements from 5th id byte*/ extid = (chip->id.data[4] >> 4) & 0x07; if (extid < 5) { - chip->ecc_step_ds = 512; - chip->ecc_strength_ds = 1 << extid; + chip->base.eccreq.step_size = 512; + chip->base.eccreq.strength = 1 << extid; } else { - chip->ecc_step_ds = 1024; + chip->base.eccreq.step_size = 1024; switch (extid) { case 5: - chip->ecc_strength_ds = 24; + chip->base.eccreq.strength = 24; break; case 6: - chip->ecc_strength_ds = 40; + chip->base.eccreq.strength = 40; break; case 7: - chip->ecc_strength_ds = 60; + chip->base.eccreq.strength = 60; break; default: WARN(1, "Could not decode ECC info"); - chip->ecc_step_ds = 0; + chip->base.eccreq.step_size = 0; } } } else { @@ -96,8 +106,8 @@ static void samsung_nand_decode_id(struct nand_chip *chip) switch (chip->id.data[1]) { /* K9F4G08U0D-S[I|C]B0(T00) */ case 0xDC: - chip->ecc_step_ds = 512; - chip->ecc_strength_ds = 1; + chip->base.eccreq.step_size = 512; + chip->base.eccreq.strength = 1; break; /* K9F1G08U0E 21nm chips do not support subpage write */ @@ -121,9 +131,9 @@ static int samsung_nand_init(struct nand_chip *chip) chip->options |= NAND_SAMSUNG_LP_OPTIONS; if (!nand_is_slc(chip)) - chip->bbt_options |= NAND_BBT_SCANLASTPAGE; + chip->options |= NAND_BBM_LASTPAGE; else - chip->bbt_options |= NAND_BBT_SCAN2NDPAGE; + chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE; return 0; } |