Hi Enric and Javier,
>> The u-boot 'bootargs' env overwrites the one from chosen ?
>>
>
> I just tested and U-Boot 'bootargs' has precedence over DT bootargs
> but I didn't find a way to append boot parameters from U-Boot. You can
> either overwrite it completely or not.
>
Yes. That seems to be the current case.
Perhaps we can merge
ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER
and CMDLINE_EXTEND in one generic config stating
the desired bootargs behavior.
Does this sound sane?
> That been said I think that is a good idea to have some default
> bootargs on the DT but since you can't append any boot option from
> U-Boot I would also add root=/dev/mmcblk0p2 rw rootwait so at least it
> will be able to mount the rootfs from the uSD/MMC.
>
True. Will re-send with those.
> Also, many IGEP COM Module base boards also have serial consoles that
> are connected to the OMAP3 UART3 (ttyO2), so maybe is better to add
> this to omap3-igep.dtsi instead of omap3-igep0020.dts to avoid future
> duplication.
>
Ok.
Thanks and merry xmas,
Ezequiel
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