[U-Boot] [PATCH v5 10/21] sf: params: Add S25FS256S_64K spi flash support

[Simon Glass]

On 30 October 2016 at 11:46, Jagan Teki <jagan at openedev.com> wrote:
> Add Spansion S25FS256S_64K spi flash to the list of spi_flash_ids.
>
> In spansion S25FS-S family the physical sectors are grouped as
> normal and parameter sectors. Parameter sectors are 4kB in size
> with 8 set located at the bottom or top address of a device.
> Normal sectors are similar to other flash family with sizes of
> 64kB or 32 kB.
>
> To erase whole flash using sector erase(D8h or DCh) won't effect
> the parameter sectors, so in order to erase these we must use 4K
> sector erase commands (20h or 21h) separately.
>
> So better to erase the whole flash using 4K sector erase instead
> of detecting these family parts again and do two different erase
> operations.
>
> Cc: Yunhui Cui <yunhui.cui at nxp.com>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Bin Meng <bmeng.cn at gmail.com>
> Cc: York Sun <york.sun at nxp.com>
> Cc: Vignesh R <vigneshr at ti.com>
> Cc: Mugunthan V N <mugunthanvnm at ti.com>
> Cc: Michal Simek <michal.simek at xilinx.com>
> Cc: Michael Trimarchi <michael at amarulasolutions.com>
> Cc: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
> Signed-off-by: Jagan Teki <jagan at openedev.com>
> ---
>  drivers/mtd/spi/sf_params.c | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Simon Glass <sjg at chromium.org>