Forum Discussion

FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
3 years ago

PCIe hprxm_master doesn't handle unaligned reads correctly

Hello, we have an Arria 10 PCIe design with MM DMA interface, utilizing hprxm_master (bursting BAR2 rxm) for non-DMA access. Platform designer IP does a good job translating between different clock d...
Pcie
FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
3 years ago

Hello,
thanks for linking the issue report. I don't see the reported problem directly related. The basic problem is premature read completion of hprxm_master. It's resulting in expected read completion, but partly wrong data content.

I'll try to record some internal hprxm_master data to understand why this happens.

Best regards,
Frank