Forum Discussion

New Contributor

3 years ago

How to request more DMA memory for Arria 10 "pcie"?

Currently, I can use the "pcie_dma_coherent" function to request 1M of data, but when I try to request more memory, I encounter an error. What is the maximum amount of memory that can be allocated fo...

Wincent_Altera

Regular Contributor

3 years ago

Hi,

For Arria 10 DMA memory read/write, you can refer to user guide below

https://www.altera.com/content/dam/altera-www/global/en_US/pdfs/literature/ug/archives/ug_a10_pcie_avmm_dma-17-0.pdf

Under section 5.1.1 Read DMA Avalon-MM Master Port

and 5.1.2 Write DMA Avalon-MM Master Port

Let me know if this is helpful.

Regards,

Wincent_Intel

Forum Discussion

How to request more DMA memory for Arria 10 "pcie"?

Recent Discussions

Unique ID registers in Cyclone V

Audio interface with Agilex 5 A5ED065BB32AI4S

Operating system kernel-level FPGA bridge communication

Routing PL DDR to PS

Validating ECC Functionality on Custom Agilex 5 SOM in Linux Kernel