MVME 5100

[Gabriel Paubert]

On Fri, 15 Dec 2000, Matt Porter wrote:

>
> On Thu, Dec 14, 2000 at 04:25:55PM +0100, Torsten Rissel wrote:
> > Thanks, but I have already set up a BAT to cover the area from 0xf0000000 - 0xffffffff
> > because everything is there on the MVME5100 - the serial ports (via the Hawk external
> > registers) [fef88000+], the MPIC [f3f80000+] and the PHC PCI registers [fe000000+].
>
> Right, I have one as well as a similar Hawk-based board that has Linux
> on it.
>
> > The CONFIG_ADDRESS and CONFIG_DATA registers are on fe000cf8 and fe00cfc,
> > and still writing to the CONFIG_ADDRESS and then reading the CONFIG_DATA sometime
> > works and sometimes not !!!??
>
> I can consistently read from and write to config space on my 5100 board
> via PPCBUG.  The only thing I can think of is that you have somehow
> locked up the Hawk bridge.  I've managaged this on other host bridges
> only by getting a PIB locked up and squatting on the bus.

On the MVME2400 (and older Raven/Falcon based boards) the config space by
default is at 0x80000cf8 and 0x8000cfc. Does it mean that on the MVME5100,
the Hawk is reprogrammed by PPCBUG to look like a CHRP system ?

	Regards,
	Gabriel.


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