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VenkateshSathar's avatar
VenkateshSathar
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

Data getting corrupted from memory mapped to stream bus in msgdma ip

Hi, Need answer for this, its became severe issue for us. The following picture is a signal tap output of msgdma ip which we used in MM-TO-ST mode where as the problem is that the data coming to mm...
Nathan_R_Intel's avatar
Nathan_R_Intel
Icon for Contributor rankContributor
6 years ago

Hie,

My apologies for the delayed first response, I got another SGDMA case that I mistaken it for this case.

The expected behavior by theory is the MM data should match the source. However, i noticed you have not checked the Packet Support Enable settings. Please try to Enable the Packet Support Enable settings and retest if the same issue is observed. Packetized transfer should ensure no additional bytes are written.

Regards,

Nathan