Re: LOR on Star64 + network problem (eqos TX not working)

On Sat, 7 Jun 2025 23:37:54 +0200
JMT Sihvola <jsihv@gmx.com> wrote:

> > Sent: Saturday, June 07, 2025 at 10:17 AM
> > From: "Milan Obuch" <freebsd-riscv@dino.sk>
> > To: riscv@freebsd.org
> > Subject: Re: LOR on Star64 + network problem (eqos TX not working)
> >
> > On Thu, 29 May 2025 12:43:25 +0200
> > Milan Obuch <freebsd-riscv@dino.sk> wrote:

[ snip ]

> > > I am going to prepare a test with Linux based OS, which I used to
> > > basic functionality check. Stay tuned.
> > >   
> > 
> > As expected, Linux based DietPi just works (I could ssh into the
> > box, so the network works).
> > 
> > I noticed there are two different DTBs for Vision Five boards, so
> > there should be two different versions. There are somewhat different
> > definitions for eqos interfaces in those DTBs. So it would be
> > interesting to know which board version (or maybe there are more
> > revisions, I did not look for this) those trying FreeBSD on it have.
> > And how it goes with network - does it work at all? Are there any
> > troubles?
> > 
> > Anybody else with Star64 board?
> > 
> > Regards,
> > Milan
> >   
> 
> I noticed that Linux (mainline) has a later addition in their
> dwmac-starfive.c driver code which sets a different TX clock rate if
> the device tree has a property "starfive,tx-use-rgmii-clk". This
> might be the reason for the problem. I could try to implement this
> feature within a week (tell me if you're trying to implement it by
> yourself).
> 

That's could be it, sounds reasonable. At the moment, I am not in
position to implement anything like this myself, I have some problems
with my workplace setup I need to recover from.

In the meantime, I plan to prepare some test build, so I should be able
to do my own build and can incorporate some patches.

Regards,
Milan