ALTERA Scatter-Gather DMA core

[ZVere]

Hello,

I'm looking for a windows driver for the DMA feature.

Can you please help ?

Thank you,

Zvika

[MEIYAN_L_Intel]

Hi,

May I know which driver you are looking for?

Do you make connection to on chip ram/rom through dma in Platform Designer?

If not, could you tell more detail about the driver?

Thanks

[ZVere]

Hello, Thank you for your reply. Do you have any experience with the DMA core described here ? https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/ug_pcie_avmm_dma.pdf I have to develop a windows driver for it. Do you know if ALTERA provides reference source code ? According to the PDF, maximum number of descriptors is 128. Can you confirm ? What should we do in case we need more ? Best regards, Zvika

[Nathan_R_Intel]

Hie Zvlka,

Please check my replies to your questions below:

1. Do you know if ALTERA provides reference source code ? - No the reference source code is encrypted. Its only available for usage with Intel FPGA.
2. 2. According to the PDF, maximum number of descriptors is 128. Can you confirm ? Yes it is.
3. What should we do in case we need more ? You will need to use external descriptor using external memory. The information is available in the following user guide:

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/an/an708.pdf

Regards,

Nathan

[ZVere]

Hi Nathan, Thank you very much ! Best regards, Zvika

[Nathan_R_Intel]

Sure Zvika,

Glad I could be of help.

Regards,

Nathan