SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
The two-port switch (CPSW) Ethernet Subsystem has one 10/100/1000 Ethernet port with selectable RMII, and RGMII interfaces.
The interface mode is selected by configuring the Ethernet interface mode selection bitfield (MODE_SEL) in the CTRLMMR_MCU_ENET_CTRL register.
See the device-specific Datasheet for configuring the pin mux mode as per the interface selected.