[U-Boot] SPL Dfu update

Michael Trimarchi michael at amarulasolutions.com
Wed Oct 30 21:06:51 CET 2013


Hi Wolfgang

On Wed, Oct 30, 2013 at 9:03 PM, Wolfgang Denk <wd at denx.de> wrote:
> Dear Michael Trimarchi,
>
> In message <CAOf5uw=gn4=k9K2pjUA6nxocKWStJ4-GP+sb6_+HGiyW1Nv23Q at mail.gmail.com> you wrote:
>>
>> > That's the reason I do not understand why we have to push DFU into SPL.
>> > Maybe we both are missing something.
>>
>> It's simple:
>>
>> - first stage boot can be sent over the otg
>> - using dfu to flash the u-boot.img, kernel .. etc
>
> Why should the image "sent over the otg" be just the SPL, and not
> include the real U-Boot?
>
>> dfu is another way to upload and write second stage or what you want. I don't
>
> Why make it so complicated and write a second part at all?  Why not
> write it in a single go?
>

The discussion seems already closed, I will use it internally

Michael


>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
> Premature optimization is the root of all evil.         -- D.E. Knuth


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