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Altera_Forum's avatar
Altera_Forum
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15 years ago

Ethernet problem turned out to be a memory / DMA problem

So I have spent a couple weeks trying to troubleshoot Ethernet functionality on my custom board. I finally isolated the problem last night. Ethernet data is getting into the FPGA just fine. I can ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I know it is a bit obvious - but are you sure you've got the buffer addresses used by the ethernet dma correct, and the cpu cache not interfering with the reads?