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KChan12's avatar
KChan12
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7 years ago

For PCIe DMA driver from altera multiple descriptors not working?

Hi , We are using AVMM PCIe DMA example design and modified as per our requirement. In place of onchip memory we are using FIFO. we are using PCIe DMA driver from altera. We can tap the data lines on...
KChan12's avatar
KChan12
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7 years ago

Hi,

Thanks for reply.

For ex I am using 2 descriptor with 256 dwords ie 1 KB of data for each descriptor. I can see correct data for only one descriptor when seen through signal tap it is not working for second descriptor.

ie while using multiple descriptor , it is sending data for only one descriptor.

Thanks,

Kamlendra