[U-Boot-Users] [PATCH] Make MPC83xx one step closer to full relocation.

[Joakim Tjernlund]

On Tue, 2008-04-08 at 10:58 +0200, Stefan Roese wrote:
> Hi Joakim,
> 
> On Saturday 29 March 2008, Joakim Tjernlund wrote:
> > > Joakim Tjernlund <Joakim.Tjernlund at transmode.se> wrote:
> > > > Remove a few absolute references to CFG_MONITOR_BASE for ppc/mpc83xx
> > > > and use GOT relative reference.
> > > > ---
> > > >  cpu/mpc83xx/start.S |   11 +++++++----
> > > >  lib_ppc/board.c     |    3 ++-
> > > >  2 files changed, 9 insertions(+), 5 deletions(-)
> 
> <snip>
> 
> > > btw, shouldn't it fix up the other ppc start.S files?
> >
> > The other ppc's won't break and I only got a 83xx, hence I only did
> > it for 83xx, hoping it would serve as a guide for the rest.
> 
> I'm afraid, but the "other ppc's" did break with this patch. At least 4xx 
> does. With your patch applied relocation to SDRAM does not work anymore. 
> Here's what I get:
> 
> CFG_MONITOR_BASE=fffa0000
> (ulong)&_start + EXC_OFF_SYS_RESET=fffa2200
> EXC_OFF_SYS_RESET=100
> 
> I haven't looked into it closer yet. Any idea on how to fix this? 
> 
> Thanks.
> 
> Best regards,
> Stefan

Oops, didn't see that coming. Your _start symbol in ppc4xx/start.S isn't
pointing to your real start of execution. Seems like _start_440 is your
real start but I can't be sure. There are some strange code in there
that I don't understand.

 Jocke