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MehmetFide's avatar
MehmetFide
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2 years ago

How to stop Avalon DMA?

Hello, We have an NXP SoM module (with Linux) connected to an Intel Arria 10 FPGA through a PCIe bus. We use Arria 10 Avalon-MM DMA Interface to transfer data from FPGA to our Linux processor. The ...
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VenT_Altera's avatar
VenT_Altera
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2 years ago

Hi @MehmetFide,


Thanks for your update.


The users cannot stop active DMA transfer from the FPGA side because, in the reference design, the DMA transfer is set up using drivers from the host.


Thanks.

Best Regards,

VenTing_Intel


MehmetFide's avatar
MehmetFide
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2 years ago

Hi @ventt ,

Is there a way to stop it from the driver side by controlling DMA registers in the FPGA (like CONTROL, WR_RC_LOW_SRC_ADDR, WR_CTLR_LOW_DEST_ADDR etc..)?

Thank you.