Re: PCI interrupt queries

Rene Herman
2008-08-21T11:10:52Z

On 21-08-08 11:31, Welch, Martyn (GE EntSol, Intelligent Platforms) wrote:

> Rajat Jain wrote:

>> OK. But who does it in an embedded environment (PPC for eg) where
>> there is no POST software. The first piece of code that gets
>> executed is U-boot and then the kernel. So who writes the LINE
>> value into the config space?
>
> U-boot does. There is a fairly standardised way to connect PCI interrupt
> lines, especially for PCI slots where various cards can be plugged in:

How peculiar, a boot loader doing hardware programming...

Rene.