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mtd: nand: add support for Samsung K9LCG08U0B 

Assume that:
          tmp = ((extid >> 2) & 0x04) | (extid & 0x03));

From the K9LCG08U0B's datasheet, we know that:
  the oob size is 640 when tmp is 6;
  the oob size is 1024 when tmp is 7;

Signed-off-by: Huang Shijie <b32955@freescale.com>
[Brian: fixed compile issue]
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Huang Shijie 2013-12-25 17:18:55 +08:00 committed by Brian Norris
parent 3db227b648
commit 94d04e824f
1 changed files with 4 additions and 1 deletions
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5
drivers/mtd/nand/nand_base.c
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@ -3285,9 +3285,12 @@ static void nand_decode_ext_id(struct mtd_info *mtd, struct nand_chip *chip,
mtd->oobsize = 512;
break;
case 6:
default: /* Other cases are "reserved" (unknown) */
mtd->oobsize = 640;
break;
case 7:
default: /* Other cases are "reserved" (unknown) */
mtd->oobsize = 1024;
break;
}
extid >>= 2;
/* Calc blocksize */