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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

hey....

"I wrote Linux driver (Host system) to copy data from Onchip Ram..." -> so i wrote my own Linux driver for that.

"Did You solve Your problem with data throughput?" -> no i haven´t solved so far (testing on quartus 10, 11 and 12). I gave up after some time, the system works quite well for my amount of data, but burst mode is still not working. But if u´ve got a solution to that problem i would very much welcome if u can tell me :-) would simplify a lot of things.

greets