Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

axi_dma_wr does not respect TKEEP #81

Open
KireinaHoro opened this issue Aug 22, 2024 · 1 comment
Open

axi_dma_wr does not respect TKEEP #81

KireinaHoro opened this issue Aug 22, 2024 · 1 comment

Comments

@KireinaHoro
Copy link

I have a input stream to the AXI DMA with "holes" (i.e. tkeep[...] = 0). Per AXIS specification, these bytes should be discarded. However, the DMA module does not behave as such:

grafik

I have tried with ENABLE_UNALIGNED to 0 or 1. Is this use case not supported, or am I misunderstanding something? Thanks!

@KireinaHoro
Copy link
Author

Alternatively there is an AXIS packer module from ZipCPU, but I'm still wondering if the AXI DMA module would support it natively, or maybe there could be a module in the verilog-axis repo.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

No branches or pull requests

1 participant