[U-Boot] SPL boot modes

[Simon Schwarz]

On 09/16/2011 02:31 PM, Wolfgang Denk wrote:
> Dear Joel A Fernandes,
>
> In message<CAD=GYpaAUVQo3S_8FOUfDLNAyUYS5cFs-fkL5GUv3oNnG_zerA at mail.gmail.com>  you wrote:
>>
>> Just one question about one of your patches I happen to notice [1],
>> why is there a SPL build for each different boot mode such as for
>> NAND, MMC etc?. Wouldn't it be nicer to have a single SPL loader that
>> tried different boot modes one after the other, something like what
>> x-load already does? Are there are any challenges with this approach?
>
> Yes, this would be nice.  Question: how do we make this fit in - say -
> the 2 KiB code size that some processors load?  Including all the
> drivers for NAND, MMC etc.?
>
> Best regards,
>
> Wolfgang Denk
>

That's the reason for the librarys in SPL. One can build a SPL that is 
able to boot from more than one source (although it might not work yet - 
the tools are there).

If size matters: Just include the one needed

Regards
Simon