[U-Boot] TFTP timeouts, i.mx fec problem?

[Stefano Babic]

On 31/05/2013 08:56, Ruud Commandeur wrote:
> Hi everyone,
> 

Hi Ruud,

> When tracing the code, it could see that fec_send is called for the 1st
> ARP request and also the return value indicates that sending should have
> been succeeded (fec_send: status 0xc00 index 0 ret 0). But no package is
> actually sent. My first guess would be that it has something to do with
> the TBD / DMA part. The fec_tbd_init also shows some note about a rare
> hardware condition regarding the WRAP bit (all in
> drivers/net/fec_mxc.c). Could it be that there is still another issue
> regarding the chip that causes this? If I do a tftp transfer from linux
> on the same board and in the same network, it does start immediately.

At first glance the problem should be with the set up of the phy. It
could take longer as expected, or there are some issues with the
specific PHY of the board. An issue in general code of FEC driver is not
probable, because the same code runs on most of i.MXes without problems.