Did you check your power on reset resistor values to make sure the
correct phy management interface is selected?
On Feb 25, 2010, at 1:21 AM, "Hillery, Nathan" <nhill...@sixisinc.com>
wrote:
> I have a system with an SGMII interface on an MPC8536E, attached to
> a Marvel 88E6152 Ethernet switch chip. I can access Ethernet from u-
> boot, if I initially configure the MII “phy” and the switch port
> PHY to disable auto-negotiation and assert link up. The link speed
> is 10Mbps and it is half-duplex. When u-boot starts, reports that i
> t didn’t recognize a PHY 0xFFFF id, and says it will assume a generi
> c phy.
>
>
>
> Obviously, I’d like to run without having to manually configure and
> have it run at 1gbps, full-duplex.
>
>
>
> However, I am not able to get linux to recognize the device – it rep
> orts that a ten-bit interface (TBI) is required for SGMII and it can
> ’t find one. I have a tbi-phy entry in the device-tree file.
> Here’s the relevant snippet:
>
>
>
> m...@24520 {
>
> #address-cells = <1>;
>
> #size-cells = <0>;
>
> compatible = "fsl,gianfar-tbi";
>
> reg = <0x24520 0x20>;
>
>
>
> phy0: ethernet-...@0x10 {
>
> interrupt-parent = <&mpic>;
>
> interrupts = <10 0x1>;
>
> reg = <0x10>;
>
> device_type = "ethernet-phy";
>
> };
>
>
>
> tbi0: tbi-...@4 {
>
> reg = <0x4>;
>
> device_type = "tbi-phy";
>
> };
>
> };
>
> enet0: ether...@24000 {
>
> cell-index = <0>;
>
> device_type =
> "network";
>
> model = "eTSEC";
>
> compatible =
> "gianfar";
>
> reg = <0x24000
> 0x1000>;
>
> local-mac-address =
> [ 00 00 00 00 00 00 ];
>
> interrupts = <29 2 30 2 34 2
> >;
>
> interrupt-parent =
> <&mpic>;
>
> tbi-handle = <&tbi0>;
>
> phy-handle = <&phy0>;
>
> phy-connection-type
> = "sgmii";
>
> fsl,magic-packet;
>
> fsl,wake-on-filer;
>
> };
>
>
>
> The processor has an MDIO interface to the switch. The switch port
> PHYs are 0x10, 0x11, 0x12, 0x13, 0x17, and 0x19. I picked 4 for the
> TBI arbitrarily (but seeking to avoid conflicting a PHY address).
>
>
>
> Any hints will be appreciated.
>
> _______________________________________________
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> Linuxppc-dev@lists.ozlabs.org
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