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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
Icon for New Contributor rankNew Contributor
7 years ago

Reading through documentation, it looks like the copper status flags are supposed to be coming from the PHY, via the control information SGMII bus. (It would be nice to have that confirmed).

However, I can confirm that the PHY currently believes that the link is up, in 1000Base-T, in full duplex. So there seems to be some issue with the SGMII bus overall.