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Altera_Forum
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13 years ago

PCI Express and DMA Transfers in burst mode

G´day ! I´ve qsys system running containing IP_Compiler for PCI Express, DMA Controller and On-Chip Memory. BAR Type is 32 Bit Non-Prefetchable, 32 Bit Data width at DMA and On-Chip. I wrote Li...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

hi domtheron,

Yes, I have a system using burst transfers from PCIe to a DDR2 memory passing trough a multi-port. I'm using my own burst adapter right now and I'm being able to burst up to 512bytes ( maximum DMA's double-word transaction).

I'll work on this system again in a couple weeks and try it without my burst adapter and let you know if it works.