P2P bridge (DEC 21154) initialization on MCP750

[Tom Rini]

On Tue, May 28, 2002 at 02:35:20PM -0400, Rajappa Iyer wrote:
>
> Matt Porter <porter at cox.net> writes:
>
> > On Mon, May 27, 2002 at 06:14:24PM -0400, Rajappa Iyer wrote:
>
> > > Thanks.  This did improve the situation somewhat in that the P2P
> > > bridge is now initialized properly, but the devices beyond it are
> > > still not probed.   Incidentally, I had to work with 2.5.x, since the
> > > 2.4 devel kernel was, for some reason, unbearably slow.
>
> > You're the first person to try one of these boards on 2.5 that I've
> > heard of.  Can you explain what you mean by "unbearably slow" on
> > _devel?  Please enable DEBUG in arch/ppc/kernel/pci.c and
> > drivers/pci/pci.c and repost those kernel messages.
>
> Sure, here it is.
>
> What I mean by unbearably slow is that once init starts running, the
> system just slows down to a complete crawl.  It takes about 2 minutes
> for the login prompt to appear.  To run lspci -v took about 10 minutes
> (I'm not exaggerating.)

Oh, yes.  The OpenPIC_InitSenses needs to be updated.  Look at
arch/ppc/platforms/lopec_setup.c

Patches appreciated.

--
Tom Rini (TR1265)
http://gate.crashing.org/~trini/

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