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Altera_Forum
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14 years ago

Simple data transfer over PCIe for co-processing

I will briefly explain what I am trying do. I have a host PC running linux and connected to an Arria GX II over PCIe. I am trying to send some data over to the FPGA, do some processing on that ( say ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Irrespective of some configuration bits, 64 bit PCIe TLP addressing may only be used if the address cannot be reached by using 32 bits. It could only be the other way round, if you use it in a 64 bit system and are not prepared for addresses beyond 32 bits, then you are in trouble.