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Altera_Forum
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14 years ago

pcie can't perform memory write trasaction from endpoint to rootpoint

Hi, I generated tow pcie cores by pcie compiler, one as rootpoint and another as endpoint. I configured the rootpoint and endpoint well. I can perform the memory write transaction from rootpoin...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

yeah i think the problem is the root bar addresses are not programmed correctly and also the base memory and limit registers. I recommend you to check the simulation of root port that megafunction generates. In that simulation you can see the mandatory registers program before the mem transactions. Also check the command register of endpoint and rootport are programmed correctly or not