[U-Boot] Question on fitupd

Simon Glass sjg at chromium.org
Fri Aug 21 22:52:13 CEST 2015


+Jagan, Lukasz

Hi Brian,

On 19 August 2015 at 15:07,  <Brian_Brelsford at dell.com> wrote:
> Dell Customer Communication
>
>
>
>
>
> PURPOSE:
>
> This email is with respect to the  “fitupd” command.
>
> In looking at the source in the current u-boot tree,  fitupd supports a NOR
> flash only.
>
>
>
>
>
> OUR GOAL:
>
> We would like to expand fitupd to be able to flash a SPI NOR,  and  MMC
> block devices.
>
> This would require support for,   file writes (ex. ext4write),  raw block
> writes (ex.   mmc write),  etc.
>
> Our design also supports a master boot record with two bootable partitions.
>
>
>
>
>
> QUESTIONS:
>
> Is expanding fitupd support for block devices a desirable feature to
> contribute back?
>
> Is this something that the u-boot projects would want?
>
>
>
> Would you want this in the  ../common   path for everyone to have access to?
>
> Or,  prefer that this support be added to    ../board/<mystuff>/    for our
> unique support only?
>
>
>
>
>
>
>
> I am leaving out all the details for now,    we are first trying to
> understand the general direction we should go.
>
>
>
> Thank you for any advice in this area.
>
> Brian Brelsford

This sounds useful to me. I added a few people on CC you may have more thoughts.

It would be good if this could somehow use driver model, but it would
need some thought.

Regards,
Simon


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