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Altera_Forum
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15 years ago

SGDMA too slow with PCIe core

Hello, I am seeting up the Altera contents for a frame grabber poject. I use a Cyclone IV GX 22 with a 4x PCIe interface. For this purpose the PCIe hard IP core is applied in the SOPC builder ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

You might want to check the latest example design.

http://www.alterawiki.com/wiki/pci_express_in_qsys_example_designs

You can find examples of Qsys version. Well, you can use the same idea in SOPC.

Be aware, Qsys is much easier to handle those burst.

You have to have same clock domain, same width, same speed in SOPC.

In Qsys, Qsys fabric will take care of it.