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

[Jagan Teki]

Hi,

On Wed, May 22, 2013 at 6:31 AM, Kuo-Jung Su <dantesu at gmail.com> wrote:
> 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:

Ok, Thanks for your information.

>
> 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",

W25P80 is an 8Mbit flash right, is this name W25P80 or W25P08?
ofcourse, I have seen the same on datasheet as well.

Thanks,
Jagan.

>>> +       },
>>> +       {
>>> +               .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