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Altera_Forum
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12 years ago

Need Advice - First time PCIe device development + QSYS

I appreciate any advice/reading materials you can suggest to clarify my issues. I am developing a StratixV-based PCIe card. The card was developed by another company, but they have provided all...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Hi Dave,

There is a PCIe core serves as an Avalon-MM master. User specifies, for example, 64Mbyte BAR, or 26bit. But I found that Qsys recalculates this to lower value, based on the actual addresses of connected Avalon slaves, for example 24 bit

By "worst case" I meant the most complex PCIe configuration of designs I work with.

Thanks,

Evgeni