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AM335x accessing external DDR3 memory non-cached?

Other Parts Discussed in Thread: AM3352

Hi All!


I have a project where I'm using an AM3352 with 256MB DDR3 RAM running linux. In this project I need to be able to run a continous RAM check for the complete RAM with the exception of the allocated DMA areas.

I intend to use the internal SRAM to run firmware that do the actual RAM check.

In order to be 100% certain that I actually reach the external RAM and not only the cache, I need to be able to access the RAM non-cached. It is not clear in the datasheet if this is at all possible.

In an other project I did a few years ago, we had a cpu where you had translated/non translated for both cahched and non cached.

Best Regards GTOO