- 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.Liu@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);