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Date: Wed, 11 Apr 2012 10:22:08 -0600
From: Gary Thomas <gary@mlbassoc.com>
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Subject: Re: Network problem with 3.3
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On 2012-04-11 10:14, Gary Thomas wrote:
>
> n.b. sorry if you receive this twice - ThunderBird seems very crashy lately!
>
> I'm trying to update my MPC8379 board from 3.0 to 3.3. I have
> this setup in my device tree:
>
> mdio@24520 {
> #address-cells = <1>;
> #size-cells = <0>;
> compatible = "fsl,gianfar-mdio";
> reg = <0x24520 0x20>;
>
> phy0: ethernet-phy@0 {
> interrupt-parent = <&ipic>;
> interrupts = <17 0x8>;
> reg = <0x01>;
> device_type = "ethernet-phy";
> };
> phy1: ethernet-phy@1 {
> interrupt-parent = <&ipic>;
> interrupts = <18 0x8>;
> reg = <0x00>;
> device_type = "ethernet-phy";
> };
> };
>
> enet0: ethernet@24000 {
> cell-index = <0>;
> device_type = "network";
> model = "TSEC";
> compatible = "gianfar";
> reg = <0x24000 0x1000>;
> local-mac-address = [ 00 08 e5 11 32 33 ];
> interrupts = <32 0x8 33 0x8 34 0x8>;
> interrupt-parent = <&ipic>;
> phy-handle = <&phy0>;
> linux,network-index = <0>;
> };
>
> enet1: ethernet@25000 {
> cell-index = <1>;
> device_type = "network";
> model = "TSEC";
> compatible = "gianfar";
> reg = <0x25000 0x1000>;
> local-mac-address = [ 00 08 e5 11 32 34 ];
> interrupts = <35 0x8 36 0x8 37 0x8>;
> interrupt-parent = <&ipic>;
> phy-handle = <&phy1>;
> linux,network-index = <1>;
> };
>
> On 3.0, this works just fine. When I boot the same setup on 3.3,
> I get this error:
> fsl-pq_mdio: probe of ff024520.mdio failed with error -16
>
> Is there something I need to change in my DTS file to make this work?
> Something else I might be missing?

I think I found it - I need to add a TBI node to my PHY setup.
It's working now.

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------