答复: How to set irq_tables.c if a pci-to-pci bridge needed

[ollie lho]

On Mon, 2002-10-28 at 17:14, David Xiong wrote:
> >Did you recalculate the checksum ??
> Yes,  the checksum has been recalculated. 
> 
> >Where did you get the idea to set the the table like this?
> I do not know how the irqs routed. So I guess I can set  the irq table.  It is intresting that  this way work on Elite K7SEM. 
> So I take it for granted it will work on the new mother board.  Am I wrong? Sorry for  newbie questions like this.
>  
> >Do you have any documentation about your bridge ?? How did you know if your bridge
> >does not re-route IRQs in some other ways ??
> I do not have any documentation. Can you tell me where can I start?
> 

The way a PCI-PCI bridge should route the IRQs behind is defined in the
PCI-PCI bridge spec. For you case, it IRQs are re-routed twice, one is
by the bridge, the other is the southbridge IRQ router.

Ollie