From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wolfgang Elsner <wolfgang.elsner@sentec-elektronik.de>
Date: Fri, 08 Apr 2005 09:24:05 +0200
Subject: [U-Boot-Users] ethernet problems on the 5282 - Retry count exceeded
In-Reply-To: <200504061510.37121.ngustavson@emacinc.com>
References: <200504061510.37121.ngustavson@emacinc.com>
Message-ID: <42563195.9090102@sentec-elektronik.de>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
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To: u-boot@lists.denx.de

Hello,
I have ported u-boot to our MCF5282 based board COBRA5282
with support for ethernet.
Sadly, I didn't send the patch to the u-boot project.
But if you would like to have the source code I could send it.

Regards,
Wolfgang


NZG schrieb:
> I'm working with a 5282 based board and am having ethernet problems.
> I know the ethernet hardware is sound because it works in uClinux.
> The fec appears to be working somewhat in u-boot, (I'm using Zach's modified 
> fec code).
> But still appears to be timing out. 
> I have the debugging code on and I'm trying to pick up a dhcp, I'm getting:
> 
> u-boot-> dhcp
> BOOTP broadcast 1
> BOOTP broadcast 2
> packet received
> packet received
> Receive from protocol 0x806
> Got ARP
> packet received
> packet received
> Receive from protocol 0x806
> Got ARP
> packet received
> packet received
> Receive from protocol 0x806
> Got ARP
> BOOTP broadcast 3
> BOOTP broadcast 4
> BOOTP broadcast 5
> 
> Retry count exceeded; starting again
> 
> So it appears to be communicating, just not quite right.
> Zach, you originally mentioned that the timers might not be getting 
> initialized correctly. Where are the timers initialized in the code? Do you 
> have a patch for this?
> 
> I'm on a 100 base-T network, is that a problem? Has this code been tested at 
> 100?
> 
> If anyone has been down a similar path before I could use some debugging tips.
> 
> thx,
> NZG.
> 
> 
> 
> 
> 
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