[U-Boot] SPL Dfu update
Stefano Babic
sbabic at denx.de
Wed Oct 30 15:24:06 CET 2013
Hi Otavio,
On 30/10/2013 15:19, Otavio Salvador wrote:
>> OMAP4/3 can boot over the otg, so you can send MLO and let it wait for the
>> second stage boot. We have already SPL USBETH in u-boot but in production
>> otg flashing can be very useful. Think SPL as a differently configured U-BOOT
>> doesn't change the problem but yes it's a nice idea.
>
> But you'd usually want to have an 'upgrade mode' which allows DFU to
> run. In this case, this could be done using complete U-Boot instead of
> SPL, no? In case customer needs a slim version of it, it could be
> accomplished using a specific config and having:
>
> SPL
> Update mode U-Boot (normal U-Boot with less features)
> Complete U-Boot (interactive and like)
>
> or am I missing something?
Right, I agree completely with you.
That's the reason I do not understand why we have to push DFU into SPL.
Maybe we both are missing something.
Best regards,
Stefano
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