[PATCH 0/4] mtd: spi-nor: add a new framework for SPI NOR

Sourav Poddar sourav.poddar at ti.com
Wed Nov 27 04:47:31 EST 2013


Dear Marek Vasut, Huang,
On Wednesday 27 November 2013 02:57 PM, Marek Vasut wrote:
> Dear Huang Shijie,
>
>> 1.) Why add a new framework for SPI NOR?
>>    The SPI-NOR controller such as Freescale's Quadspi controller is working
>>    in a different way from the SPI bus. It should knows the NOR commands to
>>    find the right LUT sequence. Unfortunately, the current code can not meet
>>    this requirement.
> Is there any kind of documentation for this controller available? I cannot quite
> understand how this controller works and why can it not be used with our current
> infrastructure.
>
I do have a similar requirement where my controller need to be configured
from slave info. I have submiited a series in the mtd list adding that 
portion
of handling such cases. Here, is the patch which specific to m25p80 part.
http://patchwork.ozlabs.org/patch/294285/

The whole series can be found here:
https://www.mail-archive.com/linux-omap@vger.kernel.org/msg98691.html
> Best regards,
> Marek Vasut




More information about the linux-arm-kernel mailing list