On Mon, Feb 23, 2015 at 10:28:09AM +0100, Jan Lübbe wrote:
> On Mo, 2015-02-23 at 10:15 +0100, Steffen Trumtrar wrote:
> > --- /dev/null
> > +++ b/arch/arm/boards/altera-socdk/board.c
> > @@ -0,0 +1,38 @@
>
> > +static int ksz9021rn_phy_fixup(struct phy_device *dev)
> > +{
> > + phy_write(dev, 0x09, 0x0f00);
> > +
> > + /* rx skew */
> > + phy_write(dev, 0x0b, 0x8105);
> > + phy_write(dev, 0x0c, 0x0000);
> > +
> > + /* clk/ctrl skew */
> > + phy_write(dev, 0x0b, 0x8104);
> > + phy_write(dev, 0x0c, 0xa0d0);
> > +
> > + return 0;
> > +}
> > +
> > +static int socfpga_console_init(void)
> > +{
> > + if (!of_machine_is_compatible("altr,socdk"))
> > + return 0;
> > +
> > + phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
> > + ksz9021rn_phy_fixup);
> > +
> > + return 0;
> > +}
> > +console_initcall(socfpga_console_init);
>
> > --- /dev/null
> > +++ b/arch/arm/dts/socfpga_cyclone5_socdk.dts
>
> > +&gmac1 {
> > + status = "okay";
> > + phy-mode = "rgmii";
> > +
> > + rxd0-skew-ps = <0>;
> > + rxd1-skew-ps = <0>;
> > + rxd2-skew-ps = <0>;
> > + rxd3-skew-ps = <0>;
> > + txen-skew-ps = <0>;
> > + txc-skew-ps = <2600>;
> > + rxdv-skew-ps = <0>;
> > + rxc-skew-ps = <2000>;
> > +};
>
> It seems that with the DT-based configuration of the skew values, the
> phy_fixup in board.c is not necessary.
Yes, one would expect that. But it didn't work, so I decided to not
debug this right now.
The socfpga-DT section needs an overhaul anyway; gpio and clkmgr bindings
are not correct anymore.
Regards,
Steffen
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox
