[U-Boot] SPL Dfu update

[Stefano Babic <sbabic@denx.de>]

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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