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Hoping someone to guide me through the programming model of mSGDMA IP with prefetcher core enabled !!?


Hello all,


The platform designer SoC consists of NIOS, ocm1, msgdma (with prefetcher core enabled) , DDR4, ocm2 and ocm3. I am looking to transfer data from ddr4 to ocm2 via msgdma and want to use ocm3 memory to store descriptors which will be fetched by prefetcher core.

I followed the API's provided in altera_msgdma.c .

I am attaching the c file and written something. please someone correct it and show me the way to fix this.

 Also attaching the driver file altera_msgdma.c taken from bsp directory of eclipse sdk.


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