M68360 ethernet troubles.
Eric Norum
eric.norum at usask.ca
Thu Apr 19 22:55:44 UTC 2001
Jake Janovetz wrote:
>
> Howdy folks...
>
> I've been using the 68360 (5v version) with the Motorola 68160
> ethernet PHY for some time and recently started a board using
> the 68360 (3.3v version) and AMD Am79C874 PHY.
>
> The board comes up, then starts to initialize ethernet by calling
> rtems_bsdnet_initialize_network(), but it never returns. When I
> try to break (using CTRL-C in GDB), I'm notified that the processor
> was stopped in _Thread_Idle_body. So, it doesn't appear that the
> board has hung.
>
> Hardware looks good. The PHY recognizes the ethernet cable and
> shows receive activity information on the LEDs.
>
> Being pretty ignorant about the ethernet driver, I don't exactly
> know where to set breakpoints and what to check for. Can I get any
> suggestions? Very similar code works on my 5v 68360 boards.
>
Are you sure the new board is using the same I/O pins as the old one?
The SCC1 signals can be routed more than one way!
--
Eric Norum eric.norum at usask.ca
Department of Electrical Engineering Phone: (306) 966-5394
University of Saskatchewan FAX: (306) 966-5407
Saskatoon, Canada.
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