- fix NAND_CMD_READID command for ONFI detect.
- add NAND_CMD_PARAM command to read the ONFI parameter page.
Signed-off-by: Shengzhou Liu <shengzhou....@freescale.com>
---
drivers/mtd/nand/fsl_elbc_nand.c | 16 +++++++++++++++-
1 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 4d1e527..476fdd3 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -350,7 +350,7 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned
int command,
out_be32(&lbc->fbcr, 5);
ctrl->read_bytes = 5;
ctrl->use_mdr = 1;
- ctrl->mdr = 0;
+ ctrl->mdr = column;
set_addr(mtd, 0, 0, 0);
fsl_elbc_run_command(mtd);
@@ -480,6 +480,20 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd,
unsigned int command,
fsl_elbc_run_command(mtd);
return;
+ case NAND_CMD_PARAM:
+ dbg("fsl_elbc_cmdfunc: NAND_CMD_PARAM.\n");
+ 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_PARAM << FCR_CMD0_SHIFT);
+ out_be32(&lbc->fbcr, 256);
+ ctrl->read_bytes = 256;
+ ctrl->use_mdr = 1;
+ ctrl->mdr = column;
+ set_addr(mtd, 0, 0, 0);
+ fsl_elbc_run_command(mtd);
+ return;
+
default:
printf("fsl_elbc_cmdfunc: error, unsupported command 0x%x.\n",
command);
--
1.6.4
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