[coreboot] [PATCH] Disable AC97 modem early on IP1000

Myles Watson mylesgw at gmail.com
Thu May 7 23:55:11 CEST 2009



> -----Original Message-----
> From: coreboot-bounces at coreboot.org [mailto:coreboot-bounces at coreboot.org]
> On Behalf Of Joseph Smith
> Sent: Thursday, May 07, 2009 12:09 AM
> To: coreboot
> Subject: Re: [coreboot] [PATCH] Disable AC97 modem early on IP1000
> 
> 
> 
> On Thu, 07 May 2009 02:01:18 -0400, Joseph Smith <joe at settoplinux.org>
> wrote:
> >
> > This patch disables the AC97 modem via the ICH4 LPC disable function
> > register early in the boot process. Leaving it enabled was causing
> > resource
> > allocation problems, making IO read/writes under 0x200 fail. As I found
> > out
> > by trail and error it has to be done right after the LAN Enable gpio pin
> > is
> > driven high.
> >
> > Tested on hardware.
> > Signed-off-by: Joseph Smith <joe at settoplinux.org>

Acked-by: Myles Watson <mylesgw at gmail.com>

Thanks,
Myles





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