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Altera_Forum's avatar
Altera_Forum
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12 years ago

Usage of DMA from PIO to SDRAM shared by NIOS

Hello everybody, I was wondering if someone could respond to my following question connected with DMA: I have functional NIOS II system with TSE and SDRAM as a main data and instruction me...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Using malloc() might not be such a good idea - it won't allocate cache-line allocated memory and could well 'poison' the data cache with addresses inside the allocated area.

Might be safer to get the linker script to allocate the buffer.