hi, when i use a10_pcie_ avmm_ dma for acessing a ddr4 of 4GB,how can i set the parameters to traverse all addresses of ddr4? - Intel Community

Programmable Devices

CPLDs, FPGAs, SoC FPGAs, Configuration, and Transceivers

hi, when i use a10_pcie_ avmm_ dma for acessing a ddr4 of 4GB,how can i set the parameters to traverse all addresses of ddr4?

405 Views

Link Copied

1 Reply

193 Views

Hi Sir,

The DMA interface PCIe AMM setting used 64bits addressing. And for 4GB of DDR4 memory, it only need 32bits (2^32) addressing. Thus, it is more than enough to traverse all addresses of DDR4.

Copy link

Community support is provided during standard business hours (Monday to Friday 7AM - 5PM PST). Other contact methods are available here.

Intel does not verify all solutions, including but not limited to any file transfers that may appear in this community. Accordingly, Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade.

For more complete information about compiler optimizations, see our Optimization Notice.