[U-Boot-Users] ethernet problems on the 5282 - Retry count exceeded
Wolfgang Elsner
wolfgang.elsner at sentec-elektronik.de
Fri Apr 8 09:24:05 CEST 2005
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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