CNTP_CVAL register write from EL1-NS ("Config-RW")

Hi,

I am trying to setup timer at EL1 level and not able to write to CNTP_CVAL register.

I would like to know what is the meaning of "Config-RW"  ? It means can be configured ? eg. to be accessed from (NS) EL1 mode ?

If so what/how to configure to achieve it ?

Thanks,

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