Hi,
I'm pretty new to uClinux and Linux driver development and I've a
problem with an ethernet driver.
I'm trying to write a driver for an PLC modem PHY. The MII management
interface seems to work fine and I can send data to the PHY. I put the
PHY in loopback mode and I can see the data being transmitted back to
the controller, but for some reason the controller never gives a signal
for the received data. When I put the controller in loopback mode, the
driver does receive data, so the driver seems to be somewhat OK.
I checked the wiring and they are all connected to the correct pins and
are working.
How do I debug this situation?
The controller is an LPC2468 ARM from NXP.
Thanks in advance.
Regards,
Remco Poelstra
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