[U-Boot] [PATCH] powerpc: do not fixup NULL ptrs

Joakim Tjernlund joakim.tjernlund at transmode.se
Mon Oct 25 17:36:01 CEST 2010


Andre Schwarz <andre.schwarz at matrix-vision.de> wrote on 2010/10/25 16:46:42:
>
> Jocke,
>
> > Andre Schwarz<andre.schwarz at matrix-vision.de>  wrote on 2010/10/25 15:50:19:
> >
> >> Jocke,
> >>
> >> [snip]
> >>
> >>
> >>> You still haven't reported weather the 4 nop's helped or not, yet you
> >>> seek my help. I am just going to ignore you until you do test it.
> >>>
> >>>
> >>>
> >> finally I got both some time and hardware :
> >>
> >> 4 nops after _start does the trick, i.e. the board is up and running fine.
> >>
> >>
> >> Diffing both System.maps and U-Boot hexdump gives only trivial results :
> >>
> >> - "in_flash" and "_start_of_vectors" adress increment = 0x10.
> >> - offset calculation for relative branch instruction also increases by 0x10.
> >>
> >>
> >> Let me know if you need more information or something else tested.
> >>
> > I am not looking at this as I am busy but I have an idea or two
> >
> ok - thanks.
> > - CPU bug in 83xx CPUs which uses 0x110 as cold start vector.
> >
> This is indeed something FSL has to investigate.
> But at least *some* 83xx boards are running fine ... e300c2 though.

I got a e300c2, mpc8321



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