Hi Robert, On Tue, Oct 18, 2011 at 11:38 PM, Robert Sciuk <robert.sc...@exfo.com> wrote: > > > [snip] > >> >> How and what type of packets are you sending? Raw MAC frames, IP? Are >> you using custom code, or can you try things like ping? >> If you are using IP, I trust you checked the Linux configuration (like >> assigning a valid IP address to the interface and making sure the >> routing table is correct). >> >> Best regards, >> Thomas > > Thomas, > > I would like to thank you for your very kind assistance on the DPAA problem. > We traced the problem to the connection between MAC and PHY, and we have > resolved it by instrumenting code and comparing the TBI and PHY > initialization from u-boot to the Linux DPA code, and replacing some of the > "magic numbers" we found in the driver with "magic numbers" we know to work. > OUCH! > > We spent an inordinate amount of effort in trying to understand the > undocumented code/tree, but I am convinced that the device-tree approach to > embedded boards is a very valuable approach, and will ultimately solve many > more problems than it creates short term. > > Again, your information was of great assistance, and I look forward to being > able to pay forward the same kind of assistance in the future.
I'm very glad you found the issue (I was running out of ideas ;-) and that I was able to help you in some way. Thanks for posting back. Good luck with the rest of your project! Best regards, Thomas > > Cheers, > Rob Sciuk. > > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
