Messages in this thread | | | Date | Mon, 9 Jun 2014 13:05:18 +0200 | From | Pavel Machek <> | Subject | Re: Kernel for olpc-1.75 |
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Hi!
> On Sat, Jun 7, 2014 at 11:53 PM, Pavel Machek <pavel@ucw.cz> wrote: > > I broke installation on olpc-1.75, and I guess its time for it to > > start running self-compiled kernel. (It still boots if I hold right > > game key, but I can no longer control backlight. It does not boot at > > all by default.) > > > > AFAICT, olpc.fth and zImage in the boot/ directory of USB disk should > > do the trick. > > > > Unfortunately, 3.0 based kernels no longer compile with current tools, > > so I tried this version (3.6 based). > > Sorry but OLPC never progressed beyond shipping 3.0 on this hardware, > and low-level development only really happens in maintenance mode at > the moment.
:-(.
> We did almost get a newer version working, but it had some unresolved > issues that prevented us from shipping it to users. I'm not sure of > the state of that arm-3.6 branch you are trying but I don't see > anything wrong in your process. I would try early printascii() calls > and a serial cable next.
Ok, that's more debugging than I can do at the moment, given my inexperience with this hardware. I guess I should really try arm-3.0 branch...
> Mainline won't run on the machine in any kind of usable state without > quite a bit of work on drivers and DT (which comes from the firmware). > I did once start on that but didn't manage to get even the initial > easy patches past the Marvell maintainers :(
Hmm, that's sad... but perhaps Marvell maintainers improved in the meantime?
Would you have working zImage binary I could use for experiments?
Thanks, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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