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So the crux of the matter is if "AXI Bridge" supported AXI4Lite as a protocol option in its parameters, then yes, you could drag-n-drop and export an AXI4Lite interface. However so far the only option I have found to expose an exportable AXI4Lite interface is to drop an "AXI Slave agent" (Confusing name...it acts as an AXI master) into the system. The problem with this is that this is a Qsys interconnect building block...it exposes a set of Avalon-ST interfaces that are transferring the internal Qsys interconnect protocol, and so far I've not seen a way to get Qsys to hook up these ports automatically to become part of a completed memory-mapped interconnect (AXI<->AXI)
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I believe that you need a translator in there as well; I haven't seen a way to get direct access to the interconnect myself, but if you find one, I'd be interested. I'm thinking that using AXI the best option might be to license an AMBA interconnect and configure it while exporting the HPS AXI interface directly.
Honored Contributor
