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Altera_Forum's avatar
Altera_Forum
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17 years ago

Triple speed ethernet and Marvell Phy on Stratix III

Hi.. Need help here!! I've been struggling for a couple weeks. I have a stratix III board with a on-board Marvell PHY. I just tried to make a triple speed ethernet working on MII mode (10/10...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

First you need to check that the PHY didn't auto-negotiate a 1Gbs link. Because in that case if you try to use the MII interface it won't work.

Then you can add some Signal Tap probes to see what signals are coming from the PHY it should help you understand why the MAC doesn't process them.