timestamp generator register location on Cortex-M4 (PSELCTRL CNTCR)

I am trying to find the location of the register where the timestamp generator can be enabled on a Cortex-M4 processor.

In the CoreSight SoC Technical Reference Manual on page 3-210 it is mentioned that the register (CNTCR) is in the PSELCTRL region (see image). However, I am not able to find the base memory address of this PSELCTRL region.

Can I find this address somewhere the ROM table that indicates the implemented debug components? But then how do I know which ID it is?

Or is it defined in some datasheet?

Thank you for any help.

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