You have two options.
1. You port simplebus to libbsd. I tried this before and its not done in
one day.
2. You get rid of all simplebus dependencies in the driver and use the
libbsd nexus support. This is normally done in a couple of minutes with
the use some hacks to get the FDT provided parameters.
To get an idea how a driver is ported see git log and look at all
commits containing "if_cgem" in the subject.
Please help to improve the documentation (libbsd.txt) while you work on
this topic.
On 15/05/15 08:27, ragu nath wrote:
Hi All,
My name is ragunath. I am selected for Google Summer of Code 2015 with
RTEMS. I will be working on improving Beagle BSP.
I am in the process of porting ethernet driver for Beaglebone black
from FreeBSD to rtems-libbsd. I would like to know what are the
necessary changes we need to make to add a driver. BBB is based on ARM
Am335x SoC.
What are the bsp specific changes we need to do (bus support api's,
interrupt support, etc)? I understand all the devices are under nexus
device in rtems-libbsd. In the FreeBSD code, it is under simplebus.
What are the changes we need to do to take care of this?
If there is any documentation available on this topic pls let me know.
Thanks,
Ragunath
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