Re: Where do MSI quirks belong?

On Monday 20 November 2006 13:49, John Polstra wrote:
On 20-Nov-2006 John Baldwin wrote:
On Sunday 19 November 2006 23:11, John Polstra wrote:
First, I assume that whether MSI works or not is at least partially
a function of the motherboard and maybe the BIOS, as opposed to the
chipset. Is that right? At least on this Tyan board, there seem
to be some nice kenv variables (e.g., smbus.planar.product) already
set that could help me recognize the board. Is that a reasonable
approach?

It's going to be a function of the chipset, as something in the chipset
(presumably a Host -> PCI bridge) has to listen for writes to 0xfeeXXXXXX
and
convert them into APIC messages.

Hmm, this Tyan 2721 board has the Intel E7501 chipset. Isn't it
supposed to support MSI? It doesn't work, and that's why I thought
the motherboard might also be a factor. I'll paste in the pciconf
output below.

I'm not sure if 7501 works or not. Scott might know if there are errata for
it.

--
John Baldwin
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