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Observer
Observer
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Registered: ‎04-18-2018

detecting more than 1 PHY in GEM

Hi,

I have an application with the ultrascale that has 4 PHYs in 1 GEM (i.e. XEmacPs).

I am able to detect all 4 PHYs and set them up appropriately, but I am uncertain how to specify which PHY the GEM should use for transmission/reception.

Ideally I'd like to test the HW by doing a round-robin on each PHY.

I'm not using LWIP. I've started off using the driver example "xemacps_example_intr_dma_1".

Once the PHYs are setup, how do I specify which one to use?

 

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Moderator
Moderator
238 Views
Registered: ‎03-10-2020

@mbrainin,

Please check the EmacPsUtilEnterLoopback() function under xemacps_example_util.c in dma example application.

It gives you idea of how to connect to different PHY devices.

 

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