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Altera_Forum
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14 years ago

Shared memory

Hello, I would like to make a big (e.g. 8Mbyte) buffer for my core, but also share the same DRAM chip with Nios. Here are my options: 1) Use SGDMA and allocate memory in software. 2) Use me...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

There shouldn't be any problems 'reserving' a specific (aligned) 8Mb area of DRAM for use by other hardware by editing the linker script. Nothing else should need changing.

The Avalon switch fabric will arbitrate between the two masters.