IRQ routing table?
ron minnich
rminnich at lanl.gov
Fri May 9 17:13:00 CEST 2003
On Fri, 9 May 2003, Richard Smith wrote:
> Do I have to have a that big IRQ routing table or is there a simpler
> LinuxBIOS way? If not since I don't have a table to begin with I'll
> have to hand generate one.
If you know what values to set on the irq pin for each PCI device for your
board, just hard-wire them in hardwaremain, and set the router settings
too. You only need the IRQ table if you want linux to do all the routing
work.
> The microsoft documentation claims that the IRQ routing table is for
> legacy systems that cannot do dynamic IRQ routing and that ACPI systems
> should use the ACPI based method.
ah, what do they know anyway :-)
I saw that comment on ACPI but fact is, our newest mobos still have that
IRQ table in there.
ron
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