Forum Discussion

andrecap's avatar
andrecap
Icon for New Contributor rankNew Contributor
5 years ago

User MSI generation with DMA enabled

Hi, I'm having trouble in generating an MSI in my Endpoint FPGA. I am using Cyclone 10 GX with "Hard IP for PCI Express"(Avalon-MM) and DMA support. The MSI is already working when a DMA transac...
Rahul_S_Intel1's avatar
Rahul_S_Intel1
Icon for Frequent Contributor rankFrequent Contributor
5 years ago
Have you tried any of example design or you have tried from your own logic
andrecap's avatar
andrecap
Icon for New Contributor rankNew Contributor
5 years ago

Hi Rahul,

Thanks for your reply.

we are building our own logic from scratch.
The FPGA is placed on a hardware board we are also developing.

I am writing into the registers from the Root Complex, and I can verify the CRA registers are written correctly through signal tap.

Is it possible that I am getting something wrong in the procedure?

Regards,

Andrea