[U-Boot-Users] U-Boot and MPC857T?

[nyet at mrv.com]

motorola has sever pvr/immr/dparam references on the site.

the only chips you can't distinguish from each other are the new 866
family.

i also have a large 8xx patch i am working on to support that and the
new ADS board.

On Wed, Jul 02, 2003 at 08:36:24AM +0200, Steven Scholz wrote:
> Wolfgang Denk wrote:
> >In message <3F014BE5.3080906 at imc-berlin.de> you wrote:
> >
> >>has someone patched U-Boot to "support" the MPC857T?
> >>
> >>AFAIK it's basicly a MPC855T. So the only change would be to avoid a 
> >>boot message like:
> >>
> >>CPU:   unknown MPC855 (0x07000003) at 80 MHz: 4 kB I-Cache 4 kB 
> >>D-Cache FEC present
> >
> >
> >All  you  need  to  do  is  extend  the  list  of  types  defined  in
> >"cpu/mpc8xx/cpu.c" - a patch is welcome.
> 
> I'd love to present a patch.
> Could you please give me a pointer where to find information about the 
> values of
> 
> k = (immr << 16) | *((ushort *) & immap->im_cpm.cp_dparam[0xB0]);
> 
> ?
> I couldn't find some.
> 
> Is it possible to find out if it's a 855, 857 or 860 at runtime?
> So that we don't have to rely on DEFINES?
> 
> FAIK MPC855T and MPC857T are basicly the same. So could put both on my 
> board without actually changing the firmware.
> Would be nice if u-boot could figure out which one is actually present.
> 
> 
> Thanks,
> 
> Steven
> 
> 
> 
> 
> 
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