MSC8156 how to set CLASS priority to prioritize RapidIO

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MSC8156 how to set CLASS priority to prioritize RapidIO

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shoham
Contributor I

I'm using the FPGA for writing a real-time camera data via RapidIO into the external DDR memory.

When the algorithm increases it processing usage, the FPGA's buffers get overflow.

I need to set the CLASS priority to prioritize RapidIO.

How can I do that?

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michael_liu
NXP Employee
NXP Employee

Set C0PMR8 = C0PMR12 = 0x00003333 which will make data from/to HSSI the highest priority on CLASS.

Besides priority, set C0AWR8 = C0AWR12 = 7 for best performance.

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