diff options
| -rw-r--r-- | drivers/mtd/nand/edb7312.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/mtd/nand/edb7312.c b/drivers/mtd/nand/edb7312.c index 1daf8231aaef..0146cdc48039 100644 --- a/drivers/mtd/nand/edb7312.c +++ b/drivers/mtd/nand/edb7312.c @@ -74,7 +74,7 @@ static struct mtd_partition partition_info[] = { /* * hardware specific access to control-lines * - * NAND_NCE: bit 0 -> bit 7 + * NAND_NCE: bit 0 -> bit 6 (bit 7 = 1) * NAND_CLE: bit 1 -> bit 4 * NAND_ALE: bit 2 -> bit 5 */ @@ -83,12 +83,12 @@ static void ep7312_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) struct nand_chip *chip = mtd->priv; if (ctrl & NAND_CTRL_CHANGE) { - unsigned char bits; + unsigned char bits = 0x80; - bits = (ctrl & (NAND_CLE | NAND_ALE)) << 3; - bits = (ctrl & NAND_NCE) << 7; + bits |= (ctrl & (NAND_CLE | NAND_ALE)) << 3; + bits |= (ctrl & NAND_NCE) ? 0x00 : 0x40; - clps_writeb((clps_readb(ep7312_pxdr) & 0xB0) | 0x10, + clps_writeb((clps_readb(ep7312_pxdr) & 0xF0) | bits, ep7312_pxdr); } if (cmd != NAND_CMD_NONE) |