[Buildroot] RPi

[Pierre Ficheux]

Hi,

The script doesn't need to bee root. It creates SD image from VFAT + EXT3 partitions created by Buildroot (see attached)

I think it's a good way to start BR on RPi, quite simple.

regards

----- Mail original -----
> De: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> À: "Pierre Ficheux" <pierre.ficheux at openwide.fr>
> Cc: "buildroot" <buildroot at busybox.net>
> Envoyé: Mercredi 21 Mai 2014 20:04:35
> Objet: Re: [Buildroot] RPi
> 
> Pierre, All,
> 
> (He! The same usual suspects! ;-) )
> 
> On 2014-05-21 14:05 +0200, Pierre Ficheux spake thusly:
> > I did some work on BR around Raspberry Pi platform:
> > 
> > - adding a post-image script for RP SD-card image generation
> > (adapted
> > from Yocto RPi recipe)
> > - adding BR support for Adafruit touchscreen ->
> > https://www.adafruit.com/products/1601
> > 
> > I don't know if it could help, but I can build patches.
> 
> For the RPi script, I have to admit I'm a bit sceptic. We usually
> document, as much as we can, the preparation of media for the boards
> (you can see the one for the RPi in boards/raspberrypi/readme) but we
> usually do not provide such scripts.
> 
> The only board we're currently doing it for, is the cubieboard, and
> it
> IMHO has quite a few shortcomings:
>   - requires being root
>   - uses host-tools without enabling them in the defconfig
>   - makes some heavy assumptions on the layout (generated files and
>     medium)
>   - does not handle all failure modes
>   - is (a bit) convoluted
> 
> Also, I'm a bit warry at providing such a root-requiring script, as
> it
> is so easy to bork things on an unsuspecting user's machine. I for
> one
> would not run such a script to begin with.
> 
> I highly prefer we provide a good documentation on how to generate
> basic
> media for a board, and redirect the user to the upstream
> documentation
> (if it exists.)
> 
> We've tried to have a generic infrastructure that would generate
> images
> for any board, without any hard-coded layout or the likes), but it
> turns
> to not be so easy. Such an infra would have to cover all comon cases,
> but also weird corner-cases, where the layout is not simply a
> collection
> of partitions laid out on some media (think initramfs with part of
> the
> VFS mounted from a block device, it's not easy.)
> 
> Others may disagree on the above, so please provide your script, so
> we
> can see and decide on actual code. ;-)
> 
> As for the touchscreen support, that would be very interesting,
> indeed!
> Please send your patch! :-)
> 
> Regards,
> Yann E. MORIN.
> 
> --
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> 

-- 
Pierre FICHEUX -/- CTO OW/OWI, France -\- pierre.ficheux at openwide.fr
                                         http://ingenierie.openwide.fr
                                         http://www.linuxembedded.fr
I would love to change the world, but they won't give me the source code
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