Subject: Re: 2.6 4xx GPIO OCP driver?

From: Ralph Siemsen <[email-masked]>
Date: Fri, 25 Feb 2005 16:19:41 -0500

Matt Porter wrote:

> I didn't bother merging it upstream at one time. It wasn't clear
> if the driver had any value over just mmaping /dev/mem to bang
> on the couple gpio registers directly. [...]

Will that work on the 440 where the devices sit above 4GB mark?  Or must 
one rely on there being an existing TLB mapping to bring them into 
32-bit space?

-Ralph