Re: Cyrix IRQ routing is wrong?

From: Pavel Roskin (proski@gnu.org)
Date: Fri Jul 05 2002 - 16:13:38 EST

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Hi, Alan!

On Fri, 5 Jul 2002, Alan Cox wrote:

> > So I have to switch that code around on most GX1 boards that I use or
> > I'll get a lot of messages about IRQ routing conflicts.
>
> I've tested multiple boards too - what BIOS are yours ?

I'm not Christer, but I'll reply :-)
These are some strings extracted from the BIOS for EM-350A:

Award Modular BIOS v4.51PG
EM-350A Ver.B 11-21-2000
11/21/2000-GXm-Cx5530-2A434L7JC-00

Attached is a tarball with /proc/interrupts, output of "lspci -vxxx" and
dump_irq, all taken on EM-350A.

The brigde is 5530. i.e. the one that is documented in
http://www.national.com/ds/CS/CS5530.pdf

I also checked http://www.national.com/ds/CS/CS5530A.pdf, and it also says
that INTA is controlled by the bits 0:3 of the register 0x5c.

-- Regards, Pavel Roskin

APPLICATION/X-GZIP attachment: em-350a.tar.gz

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