[yocto] Allow choose of U-Boot config for machine

[Gabriele Zampieri]

Since UBOOT_CONFIG is a standard property, I suggest you to read the
following links:

   -
   https://www.yoctoproject.org/docs/latest/mega-manual/mega-manual.html#var-UBOOT_CONFIG
   -
   https://www.yoctoproject.org/docs/latest/mega-manual/mega-manual.html#var-UBOOT_MACHINE

Please not that the links I provided refers to the latest documentation,
you should check the docs for your YP version.

About testing, I have no idea about how to test uboot without the target
board. If you are planning to use a commercial solution which is supported
by Yocto, you should be safe enough for now.

Gabriele

Il giorno mar 2 lug 2019 alle ore 09:40 JH <jupiter.hce at gmail.com> ha
scritto:

> Thanks Gabriele, you are right, it did not work in command line but it
> did not complain after UBOOT_CONFIG = "nand" to local.conf, how can I
> am sure it is built to boot from nand? I don't have a board to try
> yet.
>
> Thank you very much.
>
> Kind regards,
>
> - jh
>
>
> On 7/2/19, Gabriele Zampieri <gabbla.malist at gmail.com> wrote:
> > Hi,
> >
> > you must use double quotes around nand, so:
> > UBOOT_CONFIG = "nand"
> >
> > However I cannot guarantee this line will be the solution, I usually use
> a
> > customized uboot.
> >
> > Gabriele
> >
> > Il giorno mar 2 lug 2019 alle ore 04:07 JH <jupiter.hce at gmail.com> ha
> > scritto:
> >
> >> Hi,
> >>
> >> The imx6ullevk.conf defined sdcard for booting on imx6 EVK:
> >>
> >> imx6ullevk.conf
> >>
> >> UBOOT_CONFIG ??= "sd"
> >> UBOOT_CONFIG[sd] = "mx6ull_14x14_evk_config,sdcard"
> >> UBOOT_CONFIG[mfgtool] = "mx6ull_14x14_evk_config"
> >>
> >> I need to change it for a customized board referenced from imx6 EVK
> >> but booting from NAND, there are some blogs said it can be done to add
> >> UBOOT_CONFIG=nand either in local.conf or command line. I tried it did
> >> not work:
> >>
> >> ERROR: Unable to start bitbake server (None)
> >> --- Starting bitbake server pid 2673 at 2019-07-02 11:54:24.011086 ---
> >> ERROR: local.conf:34: unparsed line: 'UBOOT_CONFIG=nand'
> >>
> >> What should be a proper process to overwrite imx6ullevk.conf
> >> UBOOT_CONFIG from sdcard to nand?
> >>
> >> Thank you.
> >>
> >> Kind regards,
> >>
> >> - JH
> >> --
> >> _______________________________________________
> >> yocto mailing list
> >> yocto at yoctoproject.org
> >> https://lists.yoctoproject.org/listinfo/yocto
> >>
> >
>
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