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Hi,
I try to connect two Cyclone V SoCs by a highspeed transceiver using the Avalon-MM PCIe core. One FPGA is configured as root the other as endpoint. The PCIe link between both FPGAs is up (ltssmstate keeps in L0). If I try to do a read transaction on the Txs Interface of the root the Avalon bus stalls. As fare as I can see the bus master flag is not set an therefore the state machine is not generating the PCIe packets (no tx_st_* signals are changing). How can I set the bus master flag? Do I have a wrong understanding for using this cores?- Tags:
- PCIe
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