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authorPrabhakar Kushwaha <prabhakar@freescale.com>2012-01-20 18:39:05 +0530
committerScott Wood <scottwood@freescale.com>2012-02-28 14:03:39 -0600
commitd90361285c1c9751bd1b3700a18db882b32ddad5 (patch)
tree8fc87ee125926a43ab94c450da5bab13f3772288
parentfb49454b1b6c7c6e238ac3c0b1e302e73eb1a1ea (diff)
downloadu-boot-linaro-stable-d90361285c1c9751bd1b3700a18db882b32ddad5.tar.gz
mtd/nand: Fix IFC driver to support 2K NAND page
1) OOB area should be updated irrespective of NAND page size. Earlier it was updated only for 512byte NAND page. 2) During OOB update fbcr should be equal to OOB size. Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com> Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
-rw-r--r--drivers/mtd/nand/fsl_ifc_nand.c27
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c
index b3f3c3c05..36e1baeb4 100644
--- a/drivers/mtd/nand/fsl_ifc_nand.c
+++ b/drivers/mtd/nand/fsl_ifc_nand.c
@@ -448,21 +448,19 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
out_be32(&ifc->ifc_nand.nand_fir1,
(IFC_FIR_OP_CW1 << IFC_NAND_FIR1_OP5_SHIFT));
- if (column >= mtd->writesize) {
- /* OOB area --> READOOB */
- column -= mtd->writesize;
- nand_fcr0 |= NAND_CMD_READOOB <<
- IFC_NAND_FCR0_CMD0_SHIFT;
- ctrl->oob = 1;
- } else if (column < 256) {
- /* First 256 bytes --> READ0 */
- nand_fcr0 |= NAND_CMD_READ0 << FCR_CMD0_SHIFT;
- } else {
- /* Second 256 bytes --> READ1 */
- nand_fcr0 |= NAND_CMD_READ1 << FCR_CMD0_SHIFT;
- }
+ if (column >= mtd->writesize)
+ nand_fcr0 |=
+ NAND_CMD_READOOB << IFC_NAND_FCR0_CMD0_SHIFT;
+ else
+ nand_fcr0 |=
+ NAND_CMD_READ0 << IFC_NAND_FCR0_CMD0_SHIFT;
}
+ if (column >= mtd->writesize) {
+ /* OOB area --> READOOB */
+ column -= mtd->writesize;
+ ctrl->oob = 1;
+ }
out_be32(&ifc->ifc_nand.nand_fcr0, nand_fcr0);
set_addr(mtd, column, page_addr, ctrl->oob);
return;
@@ -471,7 +469,8 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
/* PAGEPROG reuses all of the setup from SEQIN and adds the length */
case NAND_CMD_PAGEPROG:
if (ctrl->oob)
- out_be32(&ifc->ifc_nand.nand_fbcr, ctrl->index);
+ out_be32(&ifc->ifc_nand.nand_fbcr,
+ ctrl->index - ctrl->column);
else
out_be32(&ifc->ifc_nand.nand_fbcr, 0);