[meta-freescale] Initial u-boot support for Wandboard Dual

John Weber rjohnweber at gmail.com
Tue Feb 19 11:06:14 PST 2013


Eric and Otavio -

Thanks for your advice.  I have already worked on putting this into
meta-fsl-arm-extra.  Just to make sure that I am clear - would a series of
patches to add u-boot-imx support for Wandboard be accepted or are you only
focusing on U-boot mainline at this point?

Is there any advice you can give on how to break these up?

Otavio - The wandboard folks do not have an external git repo we could use
to create a nice recipe.  You have to download and unpack the xz tarball,
which contains all of the sources and precompiled binaries.  And, I think
they started with an earlier version of u-boot and the kernel.  I suppose
we could put them all on github and then point recipes to that.  The
initial u-boot support that I'm attempting to provide has ethernet
functionality which their SDK lacks on top of the latest u-boot-imx.

Thanks for your patience.

Regards,
John


On Tue, Feb 19, 2013 at 7:15 AM, Otavio Salvador <otavio at ossystems.com.br>wrote:

> On Tue, Feb 19, 2013 at 12:30 AM, John Weber <rjohnweber at gmail.com> wrote:
> > Hi,
> >
> > I've just recently started using Yocto for i.MX6 development, and I'm
> > working on adding Wandboard support to it, based on the Wandboard SDK
> that
> > they released on 8 Feb.
>
> Great.
>
> > I think I have U-boot running with a bit more functionality than is in
> the
> > SDK.  The SDK u-boot is, they admit, very bare bones.  Mainly, I've added
> > ethernet support to it.  I've successfully downloaded and booted a kernel
> > with it, but I haven't done much else yet.
>
> Nice.
>
> > The u-boot in the Wandboard SDK is based on Freescale's SDK u-boot
> > (u-boot-imx_2009.08), so it is not the mainline u-boot that the members
> of
> > this list seem to be working with.  I would like to forward port this,
> but
> > my first goal is to get it running with the codebases that are closest to
> > the FSL SDK and then do any forward porting.  By then, I hope that
> others in
> > the community will be working on this too.  I'm not signing up to do this
> > port, but I'll happily share any changes that I think are relevant to
> this
> > group.
>
> I think we could do it in different order. Include their BSP support
> (as is) in meta-fsl-arm-extra and work in U-Boot mainline to add
> support for it and than move it to U-Boot mainline. This way it can be
> added faster.
>
> > It may or may not work on Wandboard-Solo.  I don't have a Solo board to
> test
> > with.
> >
> > My question is this - in a project like this, when I'm not in the mode of
> > fixing bugs but adding a lot of features - when is the right time to
> send a
> > patch to this list?   I'm attaching it here, but alternatively, I can
> submit
> > this patch to the list as well, knowing that it should be considered
> > development and should be tested.
>
> I don't own these boards so I cannot help on it.
>
> > Also, I'm new to this, so if someone could take a look over this patch
> and
> > provide any advice, that would be great.  My guess is that I need to
> figure
> > out how to chop it up into much smaller patches and submit a series, if I
> > were doing this for real.
>
> Yes, we need a series of patch but we need to be clear here.
>
> Here you should sent a series of patch to add support in Yocto; in
> U-Boot mainline mailing list you should send a series of patch to add
> support in U-Boot mainline.
>
> Please read the README about how to send patches.
>
> Regards,
>
> --
> Otavio Salvador                             O.S. Systems
> E-mail: otavio at ossystems.com.br  http://www.ossystems.com.br
> Mobile: +55 53 9981-7854              http://projetos.ossystems.com.br
>
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