AM625: AM6254 RGMII/RMII

user3895290

Part Number: AM625

We are considering the configuration shown in the diagram for AM6254.
The GigabitPHY IC(DP83867) is connected via RGMII1, while the 100M PHY IC is connected via RMII2.
Can we use both RGMII and RMII with CPSW?

over 1 year ago

0 Kallikuppa Sreenivasa over 1 year ago

TI__Guru**** 157109 points

Hello user3895290

Thank you for the query

https://www.ti.com/lit/ml/sprad05/sprad05.pdf

7.3 Ethernet Interface Using CPSW3G Common Platform Ethernet Switch 3-port Gigabit Ethernet

The CPSW3G interface can either be configured as a three port switch or a dual MAC interface. Both interfaces can have their own MAC address.

CPSW3G support RMII (10/100) or RGMII (10/100/1000). For RMII interface, see the CPSW0 RMII Interface section of the device-specific TRM for the recommended configuration.

CPSW3G allows using mixed RMII/RGMII topology.

The below FAQ provides link to the key collaterals that could be used including the TRM.

(25) [FAQ] AM625 Custom board hardware design – Collaterals to Get started - Processors forum - Processors - TI E2E support forums

Regards,

Sreenivasa