[OpenWrt-Devel] [PATCH] ar71xx: fix 100/10mbps ethernet link issues on mynet range extender

[Florian Fainelli]

On Jun 9, 2015 7:36 AM, "Christian Lamparter" <chunkeey at googlemail.com>
wrote:
>
> On Wednesday, June 03, 2015 05:20:22 PM Christian Lamparter wrote:
> > The mynet range extender hardware is suffering from ethernet
> > link loss when booting with a recent openwrt image. This only
> > happens on 100mbps links, with 1Gbps speed the link was fine.
> >
> > The cause of the problem is that the AR8035 PHY (aka F1E)
> > requires turning on and off the special TX delay setting
> > depending on the speed of the link.
> >
> > The 10mbps mode only needed the proper pll value, which was
> > extracted from the vendor code.
> >
> > Reported-by: Pascal Paradis
> > Signed-off-by: Christian Lamparter <chunkeey at googlemail.com>
>
> No comments so far (but also, no merge). Ping?

Actually, I have one question, most PHY s should disable these kinds of
delays when linking at 10/100Mbits/sec. Is not that working here because
the registers used have a special behavior (force or override), or is it
broken at the hardware level?

>
> Regards,
>   Christian
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