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Altera_Forum's avatar
Altera_Forum
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10 years ago

msgdma stuck in busy state

Hello :) I have a problem with the msgdma. When I submit a descriptor to it and set the go bit it keeps in busy state. I'm using the SoCKit with Cyclone V and Quartus 14.1 The msgdma ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

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Me too, actually. The reply was basically that there was a bug. If you read the release notes for Quartus, it sounds like the FIFO reset bug is fixed. I haven't tested it though as I built a workaround in RTL to manage the FIFO bug. The mSGDMA has been working pretty well.

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Thanks. Not sure what is the issue that I'm running into then. When I set the reset bit in the control register, it clears itself automatically, but the resetting bit in the status register never gets deasserted. The whole thing hangs up, stuck in a resetting state.