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Altera_Forum
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14 years ago

Problems with SGDMA through PCIe in several motherboards

Hi All, We have finalized a project for high speed video transfer. It applies a PCI Express Gen1 4x interface between the digital HD video input and central RAM of an x86 based computer. ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Hello Again,

I have rebuilt the PCIe/SGDMA block in Qsys instead of SOPC Builder. Now the design is doing more or less the same in the old motherboards as in the new ones. So it does not work anywhere.

Is there any work with other parts of the system? E.g. with the root port? Should something be configured over the endpoint configuration registers by the SW/driver? Maybe something is missing on this field.

Regards,

Istvan