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Is your descriptor memory exactly called "descriptor_memory" ? The name is hardcoded in the driver and needs to be absolutely the same.
Otherwise I would suggest to put signaltap probes around the SGDMA to check what it is doing and if it is stuck in an operation.
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I put Signal Stap around the TX-SGMA but anything seems to move around it. I' mean "ready" on the outuput streaming interface to the TSE is always active but other signals (all the controls signal to csr, descriptor r/w, m_read) are steady, whatever I do. How can it happen?
To stimulate the system I broadcast an UDP packet from the cpu.
Honored Contributor
