From: Peter Horton <phorton@bitbox.co.uk>
To: Ralf Baechle <ralf@linux-mips.org>
Cc: Peter Horton <pdh@colonel-panic.org>, linux-mips@linux-mips.org
Subject: Re: help ... Galileo PCI bridge
Date: Mon, 30 Jan 2006 12:52:05 +0000 [thread overview]
Message-ID: <43DE0BF5.4000506@bitbox.co.uk> (raw)
In-Reply-To: <20060130121932.GA3816@linux-mips.org>
Ralf Baechle wrote:
> On Sun, Jan 29, 2006 at 09:44:09AM +0000, Peter Horton wrote:
>
>> I'm currently struggling with a hard hang on the Cobalt hardware which
>> uses the Galileo GT64111 PCI bridge.
>>
>> I've got the rev 11 data sheet for the bridge, I was wondering if anyone
>> knows whether there is an errata sheet for this chip, and if so whether
>> anyone has a copy ?
>
> I recall PCI device 31 on bus 0 was magic on all Galileo. Touching it
> results in a system hang. Could that be what is hitting you?
>
Don't think so. Sometines, after a lot of bus master activity from the
Tulip NIC we get a Galileo interrupt (probably timer tick) and the first
time we touch a Galileo register in the interrupt handler the system
hangs hard :-(. It looks like some nasty interaction between the NIC and
the bridge.
P.
prev parent reply other threads:[~2006-01-30 12:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-29 9:44 help ... Galileo PCI bridge Peter Horton
2006-01-30 12:19 ` Ralf Baechle
2006-01-30 12:52 ` Peter Horton [this message]
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