[OE-core] [RFC PATCH v5 2/2] uboot-config.bbclass: Allow choose of U-Boot config for machine

[Otavio Salvador]

On Fri, Aug 23, 2013 at 11:48 AM, Otavio Salvador
<otavio at ossystems.com.br> wrote:
> Some machines provide several possible configurations and until now
> there was no easy way for user to override the default setting.
>
> This class provides a system similar to PACKAGECONFIG but for
> U-Boot. The format is:
>
> UBOOT_CONFIG ??= <default>
> UBOOT_CONFIG[foo] = "config,images"
>
> There are two possible parameters:
>
>  - config: it is used to set UBOOT_MACHINE
>  - images: it is used to append onto IMAGE_FSTYPES
>
> Below there's an usage example:
>
> ,----[ i.MX6Q SABRE AUTO based example ]
> | UBOOT_CONFIG ??= "sd"
> | UBOOT_CONFIG[sd] = "mx6qsabreauto_config,sdcard"
> | UBOOT_CONFIG[eimnor] = "mx6qsabreauto_eimnor_config"
> | UBOOT_CONFIG[nand] = "mx6qsabreauto_nand_config,ubifs"
> | UBOOT_CONFIG[spinor] = "mx6qsabreauto_spinor_config"
> `----
>
> User can, from local.conf or environment, use UBOOT_CONFIG=nand and
> override the default setting, as:
>
> ,----[ Override example from command line ]
> | MACHINE=imx6qsabreauto UBOOT_CONFIG=nand bitbake core-image-base
> `----
>
> Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>

Could someone provide a feedback on this? I'd like to fix the gabs on
this and propose a new version of it.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750