summaryrefslogtreecommitdiffstats
path: root/drivers/mtd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/fsl_elbc_nand.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 080e6037cbf..7195ee6efe1 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -356,20 +356,22 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command,
fsl_elbc_run_command(mtd);
return;
- /* READID must read all 5 possible bytes while CEB is active */
case NAND_CMD_READID:
- dev_vdbg(priv->dev, "fsl_elbc_cmdfunc: NAND_CMD_READID.\n");
+ case NAND_CMD_PARAM:
+ dev_vdbg(priv->dev, "fsl_elbc_cmdfunc: NAND_CMD %x\n", command);
out_be32(&lbc->fir, (FIR_OP_CM0 << FIR_OP0_SHIFT) |
(FIR_OP_UA << FIR_OP1_SHIFT) |
(FIR_OP_RBW << FIR_OP2_SHIFT));
- out_be32(&lbc->fcr, NAND_CMD_READID << FCR_CMD0_SHIFT);
- /* nand_get_flash_type() reads 8 bytes of entire ID string */
- out_be32(&lbc->fbcr, 8);
- elbc_fcm_ctrl->read_bytes = 8;
+ out_be32(&lbc->fcr, command << FCR_CMD0_SHIFT);
+ /*
+ * although currently it's 8 bytes for READID, we always read
+ * the maximum 256 bytes(for PARAM)
+ */
+ out_be32(&lbc->fbcr, 256);
+ elbc_fcm_ctrl->read_bytes = 256;
elbc_fcm_ctrl->use_mdr = 1;
- elbc_fcm_ctrl->mdr = 0;
-
+ elbc_fcm_ctrl->mdr = column;
set_addr(mtd, 0, 0, 0);
fsl_elbc_run_command(mtd);
return;