[U-Boot] [PATCH] mtd: spi: winbond: add W25PXX support

Jagan Teki jagannadh.teki at gmail.com
Tue May 21 19:10:00 CEST 2013


Hi,

I have a simple question like these parts are legacy flashes i guess.
Could you please tell me on which boards these were used?

Thanks,
Jagan.

On Fri, Apr 26, 2013 at 1:32 PM, Kuo-Jung Su <dantesu at gmail.com> wrote:
> From: Kuo-Jung Su <dantesu at faraday-tech.com>
>
> Signed-off-by: Kuo-Jung Su <dantesu at faraday-tech.com>
> ---
>  drivers/mtd/spi/winbond.c |   17 ++++++++++++++++-
>  1 file changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/spi/winbond.c b/drivers/mtd/spi/winbond.c
> index 2716209..2a27837 100644
> --- a/drivers/mtd/spi/winbond.c
> +++ b/drivers/mtd/spi/winbond.c
> @@ -18,6 +18,21 @@ struct winbond_spi_flash_params {
>
>  static const struct winbond_spi_flash_params winbond_spi_flash_table[] = {
>         {
> +               .id                     = 0x2014,
> +               .nr_blocks              = 16,
> +               .name                   = "W25P80",
> +       },
> +       {
> +               .id                     = 0x2015,
> +               .nr_blocks              = 32,
> +               .name                   = "W25P16",
> +       },
> +       {
> +               .id                     = 0x2016,
> +               .nr_blocks              = 64,
> +               .name                   = "W25P32",
> +       },
> +       {
>                 .id                     = 0x3013,
>                 .nr_blocks              = 8,
>                 .name                   = "W25X40",
> @@ -104,7 +119,7 @@ struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode)
>         }
>
>         flash->page_size = 256;
> -       flash->sector_size = 4096;
> +       flash->sector_size = (idcode[1] == 0x20) ? 65536 : 4096;
>         flash->size = 4096 * 16 * params->nr_blocks;
>
>         return flash;
> --
> 1.7.9.5
>
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