[U-Boot]: Discussion on Serial Flash Discoverable Parameters (SFDP): JESD216A

Jagan Teki jagannadh.teki at gmail.com
Fri Oct 4 04:35:47 PDT 2013


Added linux-mtd mailing list. and also few developer from winbond.

On Fri, Oct 4, 2013 at 12:21 AM, Jagan Teki <jagannadh.teki at gmail.com> wrote:
> Hi All,
>
> As all we know that the spi_flash is a day-by-day developing hardware
> where each vendor has followed their own standard to get the best to
> come out.
>
> I see SFDP looks like a common standard where most of the vendors were
> following to get the flash parameter information at runtime.
>
> I have couple of questions, added few flash vendors on cc - request
> for all try to give some inputs
> 1. Does all vendors follow this standard at-least from the latest parts?
> 2. Any idea who are not following SFDP
> 3. Does the format of getting data from SFDP is varies from vendor to
> vendor or same?
> 4. Command to get the SFDP is same for all vendors?
> 5. What type of information we can get any list?
>
> Request for your comments, this will really help to shape the
> spi_flash code more dynamic.

-- 
Thanks,
Jagan.
--------
Jagannadha Sutradharudu Teki,
E: jagannadh.teki at gmail.com, P: +91-9676773388
Engineer - System Software hacker
U-boot - SPI Custodian and Zynq APSOC
Ln: http://www.linkedin.com/in/jaganteki



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