lkml.org 
[lkml]   [2007]   [Sep]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patches] [patch 3/5] x86: Add PCI extended config space access for AMD Barcelona
Arne Georg Gleditsch wrote:
> "Yinghai Lu" <yhlu.kernel@gmail.com> writes:
>> mmconfig is set in NB ( in new CPU), Do we still need to set mmconfig
>> in SB like mcp55?
>
> I wasn't aware that the family 10h-chips had MSRs for setting the
> mmconfig address space directly in the NB (core?). Please disregard
> my previous comment...
>

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.)

-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-09-06 11:55    [W:0.767 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site