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mriemleit
New Contributor
New ContributorNIOS: MDIO: Platform Designer generates altera_eth_mdio.v that doesn't work
Hi Intel Community,
I have a strange error with MDIO interface on the NIOS II. I'm using it to communicate with an external PHY.
I got an generated altera_eth_mdio.v file from a colleague where ...
mriemleitNew Contributor
New ContributorOk, found it.
The TLK10232 we use in this project requires a longer MDIO preamble than the nios generates. So my colleague manually changed the file. And replaced it after generating new NIOS files. I didn't expect that...
We use Quartus Version18.1. Maybe in a newer Version this problem is fixed. If not it's maybe a good idea to make the preamble length configurable.
Have a nice day.
Best regards,
Michael
EricMunYew_C_IntelFrequent Contributor
There is a parameter for MDIO IP in Platform Designer as attached.
