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PNX8550 Broken on Linux 2.6.24 - Interrupt issues?

Subject: PNX8550 Broken on Linux 2.6.24 - Interrupt issues?
From: "Daniel Laird" <>
Date: Thu, 28 Feb 2008 12:57:47 +0000
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Original-recipient: rfc822;
Hi all.

I have been happily using Linux for ages on PNX8550 (STB810).
 I have recently decided to step up and move onto Linux 2.6.24 series.
However I am not getting very far. :-(
It seems that all the clock stuff has changed again (since
and this is causing issues.
The board crashes as soon as local_irq_enable is called in main.c

I was wondering if anyone out there might also be running on an
STB810/JBS PNX8550 based system and have any ideas as to why I am
I know that PNX8550 does not enable the R4K Clock source stuff as the
chip is a bit 'special' and requires the two timers to be used instead
of one.

As far as I can see I think my interrupts are not being setup.

Any help, ideas etc are appreciated.

Daniel Laird

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