[U-Boot] [PATCH v5 1/4] dm: sf: Add Atmel DataFlash spi flash driver

[Simon Glass]

On 18 May 2015 at 07:24, Haikun Wang <haikun.wang at freescale.com> wrote:
> Atmel DataFlash chips have commands different from common spi
> flash commands.
> Atmel DataFlash also have special page-size.
> This driver add support for accessing Atmel DataFlash.
> It is based on the Driver Model.
> Example:
> => sf probe 1:0
> SPI DataFlash: Detected AT45DB021B with page size 264 Bytes, erase size 264 Bytes, total 264 KiB, revision d
> => sf erase 0 42000
> SF: 270336 bytes @ 0x0 Erased: OK
> => mw.l 82000000 45444342 20000
> => sf write 82000000 0 42000
> SF: 270336 bytes @ 0x0 Written: OK
> => sf read 83000000 0 42000
> SF: 270336 bytes @ 0x0 Read: OK
> => cmp.b 82000000 83000000 42000
> Total of 270336 byte(s) were the same
>
> Signed-off-by: Haikun Wang <haikun.wang at freescale.com>

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