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

anilinintel
Beginner
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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.

Thanks

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