U-Boot atheros PHY support and cubox ethernet

[Tom Rini]

On Wed, Jun 17, 2020 at 10:06:25AM -0300, Fabio Estevam wrote:
> On Wed, Jun 17, 2020 at 9:04 AM Fabio Estevam <festevam at gmail.com> wrote:
> >
> > Hi Tom,
> >
> > On Tue, Jun 16, 2020 at 7:30 PM Tom Rini <trini at konsulko.com> wrote:
> >
> > > Yeah, OK, I got far enough on trying to convert this that I see I don't
> > > quite have time to pick it up and run with it.  It looks like there's
> > > going to be some extra fun around resetting the PHY perhaps?  My quick
> > > pass got things seeing a generic PHY and not the atheros one.  If you
> > > have time to make something you'd like me to test for conversion let me
> > > know.  But I'm going to pick up debugging the problem I see on the
> > > platform right now in case there's a wider problem it's showing.
> >
> > Here are two untested patches you could try.
> 
> Just tested Ethernet on a mx6qsabresd board and I see Ethernet is
> broken in master. It works fine in 2020.04.
> 
> Reverting 4346df3392c0 ("phy: atheros: Make RGMII Tx delays actually
> configurable for AR8035") did not help.
> 
> git bisect is running into problems:
> 
> Error: Cannot open output file
> scripts/Makefile.spl:465: recipe for target 'spl/dts/imx6dl-sabresd.dtb' failed
> make[1]: *** [spl/dts/imx6dl-sabresd.dtb] Error 1
> make[1]: *** Waiting for unfinished jobs....
>   UPD     spl/./include/generated/asm-offsets.h
>   UPD     spl/./include/generated/generic-asm-offsets.h
> Makefile:1940: recipe for target 'spl/u-boot-spl' failed
> make: *** [spl/u-boot-spl] Error 2
> 
> So not able to run a bit bisect.

You probably need 5f09f9af3cc335fe6a74c031cfa0b1d8bdf4b9db applied when
you see that failure, or a smaller make -j number.

-- 
Tom
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