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Altera_Forum's avatar
Altera_Forum
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9 years ago

DMA read timeout while using PL330?

Hi we are using the HPS-DMAC (PL330) on a De0-Nano-SoC board to write and read data from the FPGA through a kernel module using the dmaengine API. Writing works fine (albeit pretty slow), but e...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

May be we could help.

We have a PL330 DMA driver for the Cyclone V / Arria 5 / Arria 10 shipped with our RTOS.

You can get the free standalone version of our BSP (it includes the DMA driver).

The standalone package is completely independent of RTOS, library, or anything else.

You can request it at: code-time.com

It's somewhere in the "board support" section

There are hooks to dump the debug registers of the PL330.

And that's quite informative to understand what is going on.

... may be I should say: what's not going on.

Regards