[yocto] [meta-raspberrypi][Question] How to build an hwup image for raspberrypi3

[Andrei Gherzan]

On Thu, May 19, 2016 at 05:26:15PM +0200, piotr.lewicki wrote:
> On 19.05.2016 16:39, Andrei Gherzan wrote:
> > On Thu, May 19, 2016 at 02:15:22PM +0200, piotr.lewicki wrote:
> > > Hello,
> > > I'm trying to build a Yocto image for raspberrypi3.
> > > I'm using only two layers:
> > > - poky (krogoth: rev eff84a76acea1a0842194106a66684511f409842)
> > > - meta-raspberrypi (master: rev 9912d38e97671704822d1aa05312a0439cb650d3)
> > >
> > > I have built it by cloning both layers from git (and changing poky branch),
> > > then I sourced poky (source poky/oe-init-build-env), added meta-raspberrypi
> > > layer in conf/bblayers.conf and in conf/local.conf changed MACHINE to
> > > raspberrypi3.
> > >
> > I just tested the same revisions as you mentioned and the board boot for
> > me. How do you test the board? Over serial?
> >
> > If you are using serial I suspecte you are not setting the serial
> > console. if you are using tty1 (hdmi) you need to add the specific
> > console argument to cmdline.
> I'm using hdmi. Where can I find those console arguments?

Boot partition, cmdline.txt.

> >
> > > Then I have built "rpi-hwup-image" using bitbake and dd'd it to an SD card.
> > >
> > > Unfortunately rpi-hwup-image does not work on raspberry pi 3.
> > > Boot screen halts when 4 raspberry logos show up and that's it.
> > >
> > > On the other hand I have tried the same SD card with raspberry pi 2 and it
> > > booted up (!?).
> > >
> > > Can you tell me if there is still support for meta-raspberrypi layer?
> > > I found that this layer does not follow Yocto project naming convention for
> > > branches (I think that the latest is "jethro", but nothing newer besides
> > > "master").
> > > Does this mean that there is no stable and up-to-date branch apart from
> > > master?
> > >
> > What do you mean rpi is not following the yocto project naming
> > convention? It does miss a branch for the last yocto release but there
> > are already for the old ones.
> Maybe I explained that wrong, but I've noticed that it's missing krogoth
> branch.
> I think that if something like this occurs users are a little bit confused
> and have to choose between old branch (potentially outdated) and a master
> branch (potentially unstable).

Correct. I'll release krogoth too soon. Thanks.

> >
> > > Has anybody built a raspberrypi3 image?
> > > Could you tell me which layers and which branches should I use?
> > >
> > >
> > > Thanks,
> > > Piotr Lewicki
> > > --
> > > _______________________________________________
> > > yocto mailing list
> > > yocto at yoctoproject.org
> > > https://lists.yoctoproject.org/listinfo/yocto
> > --
> > Andrei Gherzan
> __
>
> BR,
> Piotr Lewicki

--
Andrei Gherzan
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