From: Eugene Surovegin <ebs@ebshome.net>
To: Brian Kuschak <bkuschak@yahoo.com>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: 440gx ethernet lockup
Date: Tue, 2 Dec 2003 19:43:02 -0800 [thread overview]
Message-ID: <20031203034302.GA27648@gate.ebshome.net> (raw)
In-Reply-To: <20031202210118.39431.qmail@web40901.mail.yahoo.com>
On Tue, Dec 02, 2003 at 01:01:18PM -0800, Brian Kuschak wrote:
>
> I found the problem. Our SEEPROM was misconfigured to
> set the MAL clock to PLB/4. This resulted in a MAL
> clock of 41MHz, apparently too slow... After changing
> the MAL clock to PLB/1, the system ran for days
> without any problems. Unfortunately I couldn't find
> any IBM docs which specify requirements for the MAL
> clock, and IBM still hasn't responded.
>
Well, I just checked 440GX manual and it does states that minimum MAL
clock is 45MHz (see CPR0_MALD register definition).
Eugene.
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-12-03 3:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-21 1:54 440gx ethernet lockup Brian Kuschak
2003-11-21 2:36 ` Eugene Surovegin
2003-11-21 6:32 ` Brian Kuschak
2003-11-21 7:11 ` Eugene Surovegin
2003-12-02 21:01 ` Brian Kuschak
2003-12-02 21:57 ` Cort Dougan
2003-12-03 3:43 ` Eugene Surovegin [this message]
2003-12-03 18:28 ` Brian Kuschak
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