PCIe CQ/CC - 3.4 English

Versal Adaptive SoC CPM DMA and Bridge Mode for PCI Express Product Guide (PG347)

Document ID
PG347
Release Date
2024-05-30
Version
3.4 English

The PCIe Completer Request (CQ)/Completer Completion (CC) modules receive and process TLP requests from the remote PCIe agent. This interface to the PCIe Controller operates in an address aligned mode. The module uses the BAR information from the Integrated Block for IP PCIe Controller to determine where the request should be forwarded. The possible destinations for these requests are:

  • DMA configuration module
  • AXI4 Bridge interface to Network on Chip (NoC)

Non-posted requests are expected to receive completions from the destination, which are forwarded to the remote PCIe agent. For further details, see the Versal Adaptive SoC CPM Mode for PCI Express Product Guide (PG346).