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Altera_Forum's avatar
Altera_Forum
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12 years ago

PCI Avalon-MM Multi-master arbitration

Hi, I want to do a qsys system with two "Avalon-MM Stratix V Hard IP for PCI Express" which need to access the same Avalon-MM slave. Anyone know a solution for the arbiter between those tw...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Ok thanks, didn't knew there was so much magic around the QSYS system. Just before I saw you answer, I added an "Avalon-MM Clock Crossing Bridge" after each of my master. So all slave share a common free running clock with the other side of the clock crossing bridge. I have many slaves (I specified only one in my first post, but that was only to simplify the problem), so I think I will keep the "Avalon-MM Clock Crossing Bridge" like you suggested.

Best regards,

Jerome