PCI driver on EB8347

Kumar Gala galak at kernel.crashing.org
Sat Aug 12 23:54:45 EST 2006

On Aug 12, 2006, at 7:34 AM, Rajan Rai wrote:

>          Thanks IRQ problem is resolved. As  pointed out it was  
> problem with IRQ IDSEL mapping. Mapping needs to be different on  
> Eval board I'm using and our custom design. But my driver is still  
> not working on our custom design. PCI device doesn't receive any  
> messages from MPC8347 on our custom design mother board which uses  
> pci-bridge where as it works fine on Eval board which doesn't use  
> PCI bridge.
>                         I guess problem lies at the kernel level  
> and not the driver. Any tips apart from IDSEL IRQ settings at  
> kernel level what else I need to change when I move from 1 mother  
> board to another.  My PCI  devices do get base address 0 and 1  
> allocated properly by the OS. But when I try to write any messages  
> on those addresses PCI device doesn't see them

Is the bridge getting configured correctly?  An lspci output would be  
helpful from your system with the P2P bridge.

- kumar

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