[tulip] No MII transceiver found

Donald Becker becker@scyld.com
Sun Dec 8 12:37:01 2002


On 8 Dec 2002, Jarl Friis wrote:

> I have now tried the PCMCIA tulip card on IRQ 10, but this still does
> not work.

> Donald Becker <becker@scyld.com> writes on the RealTek list:
> > On 7 Dec 2002, Jarl Friis wrote:
> > Yes, if that IRQ works...
> > > I have only tried with the FA510 (DECchip) which, as you know does not
> > > work completely, but I guess that is for another reason. It seems like the
> > > CardBus system itself does work in general.
> > 
> > I suspect that the Tulip problem is related to this one.
...
> tulip-diag.c:v2.15 9/23/2002 Donald Becker (becker@scyld.com)
>  http://www.scyld.com/diag/index.html
> Index #1: Found a Digital DS21143 Tulip adapter at 0x4000.
...
>  Interrupt sources are pending!  CSR5 is f0678047.
>    Tx done indication.
>    Tx complete indication.
>    Tx out of buffers indication.
>    Rx Done indication.

Yup, interrupt problem.

There is no point addressing the transceiver detection issue until the
IRQ problem is solved.  (I suspect that the transceiver problem is
caused by card initialization problems, perhaps power initialization.)

-- 
Donald Becker				becker@scyld.com
Scyld Computing Corporation		http://www.scyld.com
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