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Altera_Forum's avatar
Altera_Forum
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14 years ago

Problem detecting PHY

Hi all, I am coding my ethernet manually without RTOS or Nichestack on the DE4. My first step was to reset the MAC. - That can be done successfully The second step was to init th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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Do you have a license for the Ethernet IP core? IF not, be sure not to close the opencores evaluation window. If you do then the TSE core will stop working and won't communicate on the MDIO lines.

You can also use signaltap probes to see if anything is happening on those lines.

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Well, this is strange. Say, I have no window at all because I ran from command line. Then, when I hit Ctrl+C or kill the programmer with "kill -9", the TSE core still works. For like an hour.