From d90361285c1c9751bd1b3700a18db882b32ddad5 Mon Sep 17 00:00:00 2001 From: Prabhakar Kushwaha Date: Fri, 20 Jan 2012 18:39:05 +0530 Subject: 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 Signed-off-by: Prabhakar Kushwaha Signed-off-by: Scott Wood --- drivers/mtd/nand/fsl_ifc_nand.c | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index b3f3c3c05a..36e1baeb49 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); -- cgit v1.2.3