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How to map DDR on PCI address space?

Question asked by Vishnu Motghare on May 12, 2017
Latest reply on May 14, 2017 by Vishnu Motghare

Hi,

I'm new to PCI, I've following scenario where I need to map DDR memory into PCI address space,

In Custom board,

FPGA is connected via PCIe.
DMAC will be loaded on the PCIe to offload memory transfer between DDR to PCIe.

Question is how mapping of DDR on PCI address space happening ?

Could you please refer if any API available to do that?

 

pcie_mapping.png

 

Thanks,

Vishnu

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