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Cortex-A9 , get CPU frequency , bare metal


I wrote a bare metal app running on Arria V evaluation board HPS (ARM Cortex-A9 CPUs) and I wish to verify the CPU frequency.

I thought I could read the CNTFRQ register value, but as nn explained me here: ,  

the Cortex-A9 doesn't have this register.

Maybe you can help me with how I can get this value on this CPU?