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Altera_Forum
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15 years ago

Nios w/MMU + OpenCores 10/100 MAC + DP83848 PHY Issues

Hello All, I have recently upgraded my uClinux build to a more recent version that supports the MMU for the Nios II. I have ported most of my previous design to work the the new version. However...
Altera_Forum's avatar
Altera_Forum
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14 years ago

I experiment a similar problem.

Received frames have the status bit "InvalidSymbol" set, and thus discared by the driver.

ethoc doesn't look at this bit, so frame are not discarded.

open_eth does and throw the frames, it is why linux doesn't receive them.

The question is: why this status bit is set?

- Fred