Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

DMA Transfer Issue

Hi, I have build a system which has NIOS II, DDR SDRAM controller, On-Chip RAM, UART,DMA Controller. My program memory is DDR SDRAM. I have connected DMA controller between DDR SDRAM and On-Chi...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Make sure the contents written to memory before the DMA transfer are not cached. See the software handbook for the Nios II processor for more details on cache bypassing.