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Build petalinux to GEM0 PS-GTR on custom board based on ultrascale+

Part Number: DP83867CR
Other Parts Discussed in Thread: MIO

Hi.

I'm working on custom board that is based on ultrascale+, on Vivado 2020.2.

My design uses GEM0 in SGMII mode to connect to TI dp83867 PHY in required speed of 100MB/s. We routed the MAC via GT Lane0 [In Zynq configuration wizard].

I use also GEM3 that is routed via MIO as rgmii [it will be used as debug channel to the board] 

I want to build petalinux to monitor and ping from GEM0 channel.

How should I configure the device tree in the process?

Are there other necessary configuration in petalinux?