pci-pci bridge initialisation code

Mark A. Greer mgreer at mvista.com
Fri Aug 3 07:42:41 EST 2001


"Mark A. Greer" wrote:

> bhupinder sahran wrote:
>
> > hi all
> > i have ported linux on my MPC8240 processor.
> > but as i am not having bios kind of stuff so kernek
> > should initialise all the peripherals sitting on the
> > pci bus.
> > i have intigrated the code, but code for mapping the
> > pci-pci bridge is not with me.
> > so i cam not see the device which are sitting on bus
> > after the bridge.
> > can anybody tell me where i can get this code.
> > thanks in advance
> > with king regards
>
> I'm not sure I really understood everything you're trying to say but you can
> start looking in mpc10x_common.c for some mpc105/106//107/8240 bridge init
> code.  You can look at the sandpoint port for how to use it.  This code should
> do most if not all of what you need to do.

I guess I should add that if you really mean setting up a PCI-PCI bridge (and not
the host bridge), try using the pci_auto stuff.

Mark


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