diff options
| -rw-r--r-- | drivers/mtd/nand/raw/mxs_nand_spl.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/mtd/nand/raw/mxs_nand_spl.c b/drivers/mtd/nand/raw/mxs_nand_spl.c index 2bfb181..3daacbb 100644 --- a/drivers/mtd/nand/raw/mxs_nand_spl.c +++ b/drivers/mtd/nand/raw/mxs_nand_spl.c @@ -29,8 +29,20 @@ static void mxs_nand_command(struct mtd_info *mtd, unsigned int command, /* Serially input address */ if (column != -1) { + /* Adjust columns for 16 bit buswidth */ + if (chip->options & NAND_BUSWIDTH_16 && + !nand_opcode_8bits(command)) + column >>= 1; chip->cmd_ctrl(mtd, column, NAND_ALE); - chip->cmd_ctrl(mtd, column >> 8, NAND_ALE); + + /* + * Assume LP NAND here, so use two bytes column address + * but not for CMD_READID and CMD_PARAM, which require + * only one byte column address + */ + if (command != NAND_CMD_READID && + command != NAND_CMD_PARAM) + chip->cmd_ctrl(mtd, column >> 8, NAND_ALE); } if (page_addr != -1) { chip->cmd_ctrl(mtd, page_addr, NAND_ALE); |