Re: [LinuxBIOS] More MCP55 hacking

[Lu, Yinghai]

-----Original Message-----
From: linuxbios-bounces+yinghai.lu=[e-mail]
[mailto:linuxbios-bounces+yinghai.lu=[e-mail]] On Behalf Of
Stefan Reinauer
> Are you certain that Linux reads PIRQ at all when it finds an
> SRAT/SLIT/..?

Need pci=noacpi. I produced one kernel about making it work with that,
the kernel acpi maintainer doesn't take it. (He is from I company)
> If you implement enough of ACPI to have Linux use the HPET timer, you
> need all IRQ routing in ACPI as well. I had cases where Linux would use
> the PIRQ/MP table values but never ever read a PIRQ/MP table since it
> found a little bit of ACPI.

HPET is used in that case.

YH

[LinuxBIOS] More MCP55 hacking

[Carl-Daniel Hailfinger]

Lu, Yinghai wrote:
> Stefan Reinauer wrote:
> > Are you certain that Linux reads PIRQ at all when it finds an
> > SRAT/SLIT/..?
>
> Need pci=noacpi. I produced one kernel about making it work with that,
> the kernel acpi maintainer doesn't take it. (He is from I company)

Do you still have that patch? Maybe we can get it into the kernel and
bypass the acpi maintainer.

Regards,
Carl-Daniel