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Altera_Forum's avatar
Altera_Forum
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13 years ago

PCIe to external memory in stratix iv

Hi, I want to send data to my custom module with PCIe from PC to Stratix IV. I have used the chaining_dma design that sends the data with PCIe to DDR3 external memory on the board. I can read a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Thank for your help

I have read this user guide, but there is some problems with this design.

I have changed chaining_dma design a bit: I have inverted "local_rdata" signal (that is read data of ddr3) and send this signal to pcie, but at the host side there is no change in read data in software. I guess that the software doesn't read and write in DDR3. Is it correct?