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How to setting MAR bits for new memory map on C64x+ ?

Dear, Expert.

I have memory 512MB on my device. I am split the memory 256MB@0x80000000 for ARM and 64MB@0x90000000 for CMEM.

 the new memory map of 0x94000000 to 0x9FFFFFFF, MAR 148 to MAR 159 MAR need to be enable.

How to setting or calculating the MAR mask bits for this memory range?

 

Thank you

Anol Paisal