Re: [jornada] J7xx OE Config

If I can chime in - I'd like to see this using 2.6 as well, but I just need something that works as I have a pressing need for using my 728.

I don't know much about sysfs, but I'd be willing to give it a go (that is, if someone more knowledgeable than I doesn't step forward).

BTW, does 2.4 or 2.6 have support for the SmartMedia controller in the J7xx handhelds? Seems to me that SM + HARET would be a wonderful starting point until I can get my hands on the material for the J7xx flashboards.

-Mark Gollahon

Alex Lange wrote ..
> Hi,
>
> I know these kernel problems from my 56x.
> I suggest that you start of with kernel 2.6 right away. In my opinion dealing
> with kernel 2.4 is not very useful.
> It would be great to have the 720 working in 2.6 with sysfs writes for
> backlight and lcd control etc...
>
> regards,
> Alex
>
> On Tuesday 09 November 2004 20:49, you wrote:
> > On Tue, 9 Nov 2004, Alex Lange wrote:
> > > just look at the standard kernel device defconfigs, these should be
> > > sufficient.
> >
> > unfortunately it is not. there are several problems in the
> > 2.4.19-rmk6-pxa1-hh36 kernel in the handhelds.org cvs:
> > 1. the jffs2 partition layout is wrong
> > 2. the sound driver doesn't work (someone stripped the parts where the
> > LDD lines to turn on the power were set)
> > 3. the old arch/arm/mach-sa1100/dma.c was renamed to jornada720-dma.c,
> > later on dma.c was hacked upon, but the changes didn't make it back into
> > jornada720-dma.c
> > 4. suspend/resume doesn't work
> > 5. you need gcc 2.95.2 (_NOT_ gcc 2.95.3) to compile - otherwise the
> > framebuffer doesn't work
> >
> > i've tried to fix these problems, see:
> > http://acid.ch.pw.edu.pl/~sq5bpf/mylinux/j720/files/kernel/linux-2.4.19-rmk
> >6-pxa1-hh36-sq5bpf1.tar.bz2 however suspend/resume still doesn't work,
> and
> > loading sa1100_ir, or the usb networking module (forgot it's name) causes
> a
> > kernel oops. and you still need a gcc 2.95.2 toolchain (find it somwhere
> > under
> > http://acid.ch.pw.edu.pl/~sq5bpf/mylinux/j720/files/)
> >
> > or you can try to use Kye's kernel (from http://www.pin9.de) - it seems
> > more correct (suspend/resume works).
> >
> > i will post a working kernel once i have some progress, i will try to
> > include a jornada 720 hal, so it will be more compatible with familiar/oe.
> >
> > for now you can take a look into the gpe 0.7.2 jor jornada 720 images
> and
> > see if they work for you:
> > http://acid.ch.pw.edu.pl/~sq5bpf/mylinux/j720/files/bootgpe2-v0.7.2-jornada
> >720/
> >
> > jacek
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Received on Tue Nov 09 2004 - 15:52:44 EST