I ran into some device tree support for this phy in sys/gnu/dts/include/dt-bindings/net/ti-dp83867.h It looks like configuration information that would be fed to the generic mii_fdt driver somehow.
Thanks for the tip re: ukphy. What exactly does "basic support without any extras" entail? The test environment uses standard gigabit workgroup switches. So as long as it comes up in a full-duplex gigabit mode, we're happy. On Mon, Jun 17, 2019 at 12:09 PM Christian Mauderer <l...@c-mauderer.de> wrote: > > On 17/06/2019 18:16, Jonathan Brandmeyer wrote: > > What does it take to support a new Ethernet PHY in rtems-libbsd? We've > > got a board with a TI DP83867 family member on it, which appears to have > > some support in FreeBSD. How can that get pulled into a particular > > rtems-libbsd BSP? > > > > Thanks, > > -Jonathan Brandmeyer > > > > Hello Jonathan, > > if there is already a PHY driver for that PHY, you basically just follow > the steps from "How to Import Code from FreeBSD" in the libbsd > CONTRIBUTING.md. PHYs should be quite simple so it would be about: > > - Add the files to libbsd.py > - Run ./freebsd-to-rtems.py -R and ./freebsd-to-rtems.py > - Commit the _unchanged_ imported files. > - Commit libbsd.py and (if necessary) changes. > - Add the driver reference to nexus-devices (if it is a officially > supported BSP) or to your application. > > If it is supported, it should be most likely one of the files in > freebsd-org/sys/dev/mii. But to be honest: I didn't find it on a quick > look. Where did you find the support? > > On the other hand: The DP83867E seems to have the default registers. If > you only need basic support without any extras, the generic ukphy (short > for UnKnown PHY) driver should work. > > Best regards > > Christian Mauderer -- Jonathan Brandmeyer _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
