[U-Boot] Default LAWBAR mapping at reset for mpc85xx?

Joakim Tjernlund joakim.tjernlund at transmode.se
Thu May 3 15:38:33 CEST 2012


Wolfgang Denk <wd at denx.de> wrote on 2012/05/03 15:11:33:
>
> Dear Joakim,
>
> In message <OF35057017.5788F889-ONC12579F3.00427B35-C12579F3.0044277A at transmode.se> you wrote:
> >
> > I found the problem, u-boot is somewhat flawed, it requires CONFIG_SYS_MONITOR_BASE
> > to be "base 2 even", must land on a 256K or 512K or 1024K address. I had
>
> This is not a generic U-Boot problem, just one oif the 85xx
> implementation.
>
> > On a related matter, I believe that one should be able to have a minimal emulator
> > config that allows you to both program flash efficiently and debug u-boot
> > via BDI/gdb.
> > I have always managed to do this before with our earlier freescale CPUs but now
> > seems hard(impossible?) with the current u-boot design. It is a major
> > pain to change emul config each time you do the burn flash/debug cycle.
>
> I agree with you - but again, this is "only" a 85xx issue, not a
> generic U-Boot design problem.

Yes, should have been more specific.

 Jocke



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