Re: [patches] [patch 3/5] x86: Add PCI extended config space access for AMD Barcelona

Yinghai Lu
2007-09-06T17:48:28Z

On 9/6/07, H. Peter Anvin <hpa@zytor.com> wrote:
> Well, to a first order of approximations, *all* northbridges have some
> sort of hardware registers to set mmconfig. We were talking yesterday
> that it might just make more sense to have code for various northbridges
> to configure mmconfig directly, just like we do for IRQ routing (we
> can't trust the BIOS there, either.)

that is good idea.