[PATCH] [MTD] [NAND] pxa3xx: fix timing and cmdset for samsung2GbX8

Eric Miao eric.y.miao at gmail.com
Mon Aug 16 08:22:05 EDT 2010


Cc'ed Lei and Haojian.

On Mon, Aug 16, 2010 at 4:50 PM, Axel Lin <axel.lin at gmail.com> wrote:
> This patch adds timing settings for samsung2GbX8 and
> fixes the cmdset settings. samsung2GbX8 is large page.
>
> Signed-off-by: Axel Lin <axel.lin at gmail.com>
> ---
>  drivers/mtd/nand/pxa3xx_nand.c |   16 ++++++++++++++--
>  1 files changed, 14 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
> index 4d89f37..47c0442 100644
> --- a/drivers/mtd/nand/pxa3xx_nand.c
> +++ b/drivers/mtd/nand/pxa3xx_nand.c
> @@ -227,9 +227,21 @@ static struct pxa3xx_nand_flash samsung512MbX16 = {
>        .chip_id        = 0x46ec,
>  };
>
> +static struct pxa3xx_nand_timing samsung2GbX8_timing = {
> +       .tCH    = 5,
> +       .tCS    = 20,
> +       .tWH    = 10,
> +       .tWP    = 12,
> +       .tRH    = 10,
> +       .tRP    = 12,
> +       .tR     = 25000,
> +       .tWHR   = 60,
> +       .tAR    = 10,
> +};
> +
>  static struct pxa3xx_nand_flash samsung2GbX8 = {
> -       .timing         = &samsung512MbX16_timing,
> -       .cmdset         = &smallpage_cmdset,
> +       .timing         = &samsung2GbX8_timing,
> +       .cmdset         = &largepage_cmdset,
>        .page_per_block = 64,
>        .page_size      = 2048,
>        .flash_width    = 8,
> --
> 1.7.2
>
>
>
>



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