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JBB1's avatar
JBB1
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4 months ago

DMA controller move from Arria to Agilex

Today I'm using an Intel Arria 10 Hard IP for PCIe. With Avalon-MM DMA. No control register (CRA) enabled No internal descriptor controller No burst capability for RXM BAR2 No tags enabled. I ha...
Pcie
RongY_altera's avatar
RongY_altera
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4 months ago

Hi,

You may already notice that PCIe example designs starting from Agilex7 are no more using AVMM. This is for performance efficiency purpose. Then Agilex5 starts using AXI-ST rather than AVST. Due to these changes and added features, it's difficult to keep the DMA module in its original form. Altera suggests using mSGDMA for performance design like DMA.


Regards,

Rong