TDA4VM: phy_connect() issue in build up of sdk

Manish Ahlawat

Expert 2120 points

Part Number: TDA4VM

Dear Sir,

We have made a custom board for TDA4 and at the moment we have issues in bringing up the Ethernet communication.

At the moment in mcu-wakeup.dtsi file under the node label mcu_cpsw for node ethernet@046000000 we added a property

fixed-link {

Speed = <1000>;

Full-duplex;

};

So for now we have a link-up but we have a phy_connect() failed (could not get PHY for ethernet@046000000.

Do i need to add any subnode in the ethernet node for phy or any other solution that we should approach ?

Regards

Manish

over 5 years ago

0 Santhana Bharathi N1 over 5 years ago

TI__Prodigy 500 points

Hi Manish,

I understand that you are configuring mcu_cpsw in MAC-to-MAC configuration by adding fixed-link property.

Either fixed-link or phy handle should be set, not both at same time.

Please refer below doc on configuring fixed link. Let me know if you need any further clarification.

linux\Documentation\devicetree\bindings\net\fixed-link.txt

linux-kernel/Documentation/devicetree/bindings/net/ethernet.txt

Thank you

Regards

Santhana Bharathi

0 Manish Ahlawat over 5 years ago in reply to Santhana Bharathi N1

Expert 2120 points

Hi Santhana ,

Thanks a lot for the help. I tried it and it works now for MAC to MAC config.

Also, I would like to know if i need to add a node in device tree of board for BCM 89551 Switch. I tried to look for it in Device tree bindings but didn't find for BCM 89551 ethernet switch.

Also do i need to add this node also in U-boot ?

Regards

Manish

0 Vishal Mahaveer over 5 years ago in reply to Manish Ahlawat

TI__Mastermind 33390 points

Hi Manish,

BCM 89551 discussion is being discussed on another thread.
https://e2e.ti.com/support/processors/f/791/t/883618

Can we close this one? The question asked here is answered.

Regards,
Vishal

0 Manish Ahlawat over 5 years ago in reply to Vishal Mahaveer

Expert 2120 points

Hi Vishal,

Yes we can close it and extend the another thread with the question " To configure the internal 2 port switch what files/node i need to check for the configuration in linux & u-boot ?

Regards

Manish

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TDA4VM: phy_connect() issue in build up of sdk