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[FAQ] AM6548: How to get PRU Ethernet working in U-boot on AM65x Linux SDK 9.1?

Part Number: AM6548

PRU Ethernet in U-Boot did not work on AM65x Linux SDKs 8.x. The feature is documented for SDK 9.1:

However, there is also a U-Boot Known Issue in the release notes that says "AM65x Uboot PRUETH is broken":

So what is going on? How do I get PRU Ethernet working in U-boot on AM65x SR2.0?


This FAQ describes the resolution for these known issues:
LCPD-28287 - ICSSG: AM65 SR2.0: U-Boot: RX is not working
LCPD-28436 - AM65x Uboot PRUETH is broken

LCPD-28286 - ICSSG: AM65 SR2.0: U-Boot: Avoid hardcoding DMA channel

Note for AM64x customers: ICSSG Ethernet Support in u-boot is currently planned for the SDK 9.2 release