Moving from 2.4 to 2.6 kernel

[Andy Gospodarek]

On 5/4/06, Grant Likely <grant.likely at secretlab.ca> wrote:
> On 5/4/06, Chris Dumoulin <cdumoulin at ics-ltd.com> wrote:
> > I am trying to take a working embedded linux system from kernel 2.4 to
> > 2.6. The hardware is a custom board using a Virtex II Pro with PPC405
> > processor.
> > The working system uses u-boot 1.1.1 with linux kernel 2.4.18.
> >
> > I am using the same u-boot and I am trying to port linux kernel 2.6.15
> > to our platform. Using the stuff from the working 2.4 kernel port and
> > other PPC4xx platforms in the 2.6.15 code as examples, I believe I have
> > done everything required to get the kernel booting. However, the kernel
> > seems to hang after being uncompressed. Here is what I see after running
> > bootm from u-boot:
>
> The V2pro is already supported in the 2.6 kernel.  Are you using that
> code; or starting from scratch?  V2Pro (ML300) and V4FX (ML403) are
> both supported in the latest 2.6 kernel.
>
> I had similar problems when I was porting to the V4FX.  Do you have a
> JTAG debugger (Like a BDI-2000)?  I think your best bet is to get in
> there with a debugger to find out where it goes off into Lala land.
>
> Cheers,
> g.
>
> --
> Grant Likely, B.Sc. P.Eng.
> Secret Lab Technologies Ltd.
> (403) 399-0195
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>

You could also try enabling early printk....sometimes that helps tell
you how far you did or didn't get.