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AM335x GPMC DMA operation problem

Other Parts Discussed in Thread: AM3352

Hi, there

FPGA is connected to am3352 through GPMC. Large quantity of data needs to be sent to CPU as fast as possible. So I think DMA is necessary for this job. XDMA_EVENT_INTR2 pin is connected to FPGA in our custom design.  This external pin could be used as an external event source for EDMA event, am I right? But I can not find how to configure some behavior of this event. e.g. This event is level or edge sensitive.

Is there any advice?

Best Regards

Yang