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Date: Fri, 3 Aug 2007 15:10:37 -0500
From: Scott Wood <scottwood@freescale.com>
To: Alexandros Kostopoulos <akostop@inaccessnetworks.com>
Subject: Re: pci in arch/powerpc vs arch/ppc
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On Fri, Aug 03, 2007 at 05:58:56PM +0300, Alexandros Kostopoulos wrote:
> Hi all,
> in the old arch/ppc tree, there was a function called pq2ads_setup_pci()  
> that set up PCI regs for 8272xx, in m82xx_pci.c. I was wandering, where  
> are these registers configured now in arch/powerpc? I can't seem to find  
> these code now.

It's done by the firmware or the bootwrapper.

> Also, I can see that now bus 0, dev 0 (which I think represents the host  
> bridge, right?) is now excluded using pq2_pci_exclude_device, but it  
> wasn't in older code. Why is that?

The older code probably either excluded all host bridges by class, or
just lived with the error message that gets printed on boot.

-Scott