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AM6442: 5-port switch

HS FAE Germany
Mastermind 32930 points

Part Number: AM6442
Other Parts Discussed in Thread: TMDS64EVM

Hi,
is it possible to design a 5-port switch, routing the packages through Linux/CPU? Do we have any example for that?

Regards, Holger

  • 0
    TI__Mastermind 19865 points

    Hello Holger, 

    We are integrating a dtbo example to use the DP83TG720 daughterboard connected to AM64x (TMDS64EVM) via ICSSG0 pins to add 2 ports ontop of the 3 already on-EVM ports. https://lore.kernel.org/all/20260323090358.632329-1-m-malladi@ti.com/ This is not yet integrated into an SDK release yet, it is in the process of being upstreamed. 

    While users don't necessarily need to use DP83TG720 specifically (this is SPE), the dtbo should give an example to customers on how to make device tree changes to enable ICSSG0 for additional PHYs. 

    I had a working setup with a much older kernel (6.1) but likely does not work for future kernel versions as device tree syntax changes frequently for new kernel versions, which is why we are trying to get a dtbo upstreamed. If an example is needed right now, you can use the changes in the link as a guide to what changes are needed on the device tree.

    -Daolin