Large delay between DMA transactions

Did you setup the pagetable and MMUs before enabling caching? This is necessary for the caching to work.

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Hello ,

Thank you for reply.

Probably you are right about possible reasons .

I have added "alt_cache_system_enable(); //cache enable "

function to the init procedure , but without success ( no influence at the large delay).

The question is still open : how we can improve the built-in DMA ?

At this moment I'm testing different properties of the SoC System , and my test

programs are very simple , i.e code to test buit-in DMA is like below (main section) :

...

Regards

-jaro

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