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

[Kuo-Jung Su]

2013/5/22 Jagan Teki <jagannadh.teki at gmail.com>:
> 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?
>

It's used on Faraday A369 evaluation board.
However the u-boot source codes for A369 is still waiting for approval.
Here is the link to u-boot patchwork:

http://patchwork.ozlabs.org/patch/242006/

> 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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--
Best wishes,
Kuo-Jung Su