[PATCH v1] imx: set CONFIG_FEC_MXC_PHYADDR to -1

[Oliver Graute]

On 03/02/20, Fabio Estevam wrote:
> On Fri, Jan 31, 2020 at 10:56 AM Oliver Graute
> <oliver.graute at kococonnector.com> wrote:
> >
> > This fix the following issue on the imx8qm_rom7720 board:
> >
> > Booting from net ...
> > Could not get PHY for FEC0: addr 0
> > Could not get PHY for FEC0: addr 0
> > Could not get PHY for FEC0: addr 0
> > Could not get PHY for FEC0: addr 0
> > Can't find FEC0 clk rate: -19
> >
> > This fix is necessary because of the changes introduced by commit:
> >
> > 1f60789602e0d5f5f9a8b507f25737c65b5d8daa.
> >
> > Signed-off-by: Oliver Graute <oliver.graute at kococonnector.com>
> > Cc: Stefano Babic <sbabic at denx.de>
> > Cc: Fabio Estevam <festevam at gmail.com>
> > Cc: Peng Fan <peng.fan at nxp.com>
> > Cc: Simon Glass <sjg at chromium.org>
> > Cc: Ye Li <ye.li at nxp.com>
> > Cc: uboot-imx <uboot-imx at nxp.com>
> > ---
> >  include/configs/imx8qm_rom7720.h | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/include/configs/imx8qm_rom7720.h b/include/configs/imx8qm_rom7720.h
> > index 865863eb7c..d503ddbffe 100644
> > --- a/include/configs/imx8qm_rom7720.h
> > +++ b/include/configs/imx8qm_rom7720.h
> > @@ -171,6 +171,7 @@
> >
> >  /* Networking */
> >  #define CONFIG_FEC_XCV_TYPE            RGMII
> > +#define CONFIG_FEC_MXC_PHYADDR         -1
> 
> Shouldn't the Ethernet PHY address be retrieved from the device tree instead?

Yes, but phy addr 0 is currently not working that way for me. So I tried
to solve it by autodetecting the phy. Please see this thread:

https://lists.denx.de/pipermail/u-boot/2019-December/393969.html

Best Regards,

Oliver