Date: Thu, 19 May 2016 23:42:36 +0200
From: Andrei Gherzan <andrei@gherzan.ro>
To: Khem Raj <raj.khem@gmail.com>
Message-ID: <20160519214236.GG9848@resin.home>
References: <573DAE5A.6000707@elfin.de> <20160519143914.GA3601@resin.home>
	<573DDB17.5050007@elfin.de> <20160519152756.GE9848@resin.home>
	<9F9E2F05-CC7B-4F90-AAED-0B327C09B733@gmail.com>
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In-Reply-To: <9F9E2F05-CC7B-4F90-AAED-0B327C09B733@gmail.com>
User-Agent: Mutt/1.6.1 (2016-04-27)
Cc: yocto@yoctoproject.org
Subject: Re: [meta-raspberrypi][Question] How to build an hwup image for raspberrypi3
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On Thu, May 19, 2016 at 09:40:13AM -0700, Khem Raj wrote:
>
> > On May 19, 2016, at 8:27 AM, Andrei Gherzan <andrei@gherzan.ro> wrote:
> >
> > 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.
>
>
> I would suggest to delay branching until we really diverge from krogoth in incompatible ways
> just makes it easier to maintain.

Indeed. Sounds like a good idea.


--
Andrei Gherzan

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