Messages in this thread | | | Date | Thu, 28 Nov 2019 13:16:44 +0100 | From | Oliver Graute <> | Subject | Re: [PATCH] arm64: defconfig: Change CONFIG_AT803X_PHY from m to y |
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On 28/11/19, Marc Gonzalez wrote: > On 27/11/2019 13:46, Oliver Graute wrote: > > > On 27/11/19, Marc Gonzalez wrote: > > > >> On 26/11/2019 15:54, Oliver Graute wrote: > >> > >>> this patch broke my imx8qm nfs setup. With the generic phy driver my > >>> board is booting fine. But with the AT803X_PHY=y enabled I'm running > >>> into the following phy issue. So on my side it looks inverse as on > >>> yours. What is the best proposal to fix this? > >>> > >>> [ 5.550442] fec 5b040000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off > >>> [ 5.573206] Sending DHCP requests ...... timed out! > >>> [ 95.339702] IP-Config: Retrying forever (NFS root)... > >>> [ 95.348873] Atheros 8035 ethernet 5b040000.ethernet-1:06: attached PHY driver [Atheros 8035 ethernet] (mii_bus:phy_addr=5b040000.ethernet-1:06, irq=POLL) > >>> [ 99.438443] fec 5b040000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off > >>> [ 99.461206] Sending DHCP requests ...... timed out! > >> > >> Which DTS are you using? > > > > I'am using this DTS which I'am currently working on: > > > > https://lists.infradead.org/pipermail/linux-arm-kernel/2019-October/689501.html > >> > >> I bet one dollar that 6d4cd041f0af triggered a latent bug in the DTS. > > > > So what should I fix in my device tree? > > In the board DTS I used to work on, I had this: > > ð0 { > phy-connection-type = "rgmii-id"; > phy-handle = <ð0_phy>; > #address-cells = <1>; > #size-cells = <0>; > > /* Atheros AR8035 */ > eth0_phy: ethernet-phy@4 { > compatible = "ethernet-phy-id004d.d072", > "ethernet-phy-ieee802.3-c22"; > interrupts = <37 IRQ_TYPE_EDGE_RISING>; > reg = <4>; > }; > }; > > In your DTS, you #include "imx8qm.dtsi" > I found no such file: > $ git ls-files | grep imx8qm
yes this file is not yet added to Shawn Guos next tree. Latest patch can be found here:
https://patchwork.kernel.org/patch/11248331/
> > In your patch: > https://patchwork.kernel.org/patch/11211567/ > > +&fec1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_fec1>; > + phy-mode = "rgmii-txid"; > + phy-handle = <ðphy0>; > + fsl,magic-packet; > + fsl,rgmii_rxc_dly; > + status = "okay"; > + > + mdio { > + #address-cells = <1>; > + #size-cells = <0>; > + > + ethphy0: ethernet-phy@0 { > + compatible = "ethernet-phy-ieee802.3-c22"; > + reg = <4>; > + at803x,eee-disabled; > + at803x,vddio-1p8v; > + }; > + }; > +}; > > Try all possible 'phy-mode' (rgmii, rgmii-id, rgmii-rxid, rgmii-txid) > Investigate 'fsl,rgmii_rxc_dly' (it's not a standard Linux DT prop) > Documentation/devicetree/bindings/net/ethernet-controller.yaml
thx for this hint.
Best regards,
Oliver
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