[LinuxBIOS] More MCP55 hacking

Stefan Reinauer stepan at coresystems.de
Wed Dec 13 00:45:45 CET 2006

* Lu, Yinghai <yinghai.lu at amd.com> [061212 22:45]:
> For later AMD CPU, you could acpi for SRAT, SLIT..., plus irq routing in
> mptable.
> And not use DSDT for irq routing.
Are you certain that Linux reads PIRQ at all when it finds an

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.


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