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RMcco's avatar
RMcco
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7 years ago

In Triple Speed Ethernet core, what does the COPPER_LINK_STATUS refer to?

I'm debugging an Ethernet link that fails after several hours of temperature testing. We're using the TSE core in an Arria 10, configured in the 10/100/1000Mb Ethernet MAC with 1000BASE-X/SGMII PCS c...
RMcco's avatar
RMcco
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7 years ago

Hi SK -

You are correct - those bits are set appropriately while the link is operating normally, and after it fails, they are set to zero. I am in the process of capturing other before/after data. We are using auto-negotiation.

Can you confirm if the copper status flags are in fact being read by the TSE from data supplied over the SGMII bus? Also, if the TSE does see bad status, will it automatically re-auto-negotiate?

Thanks -

-Ryan