Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series0/EFM32GG/EFM32GG280F512/ETM/ETMPIDR2#0x0
Peripheral ID2 Register
JEP106 Identity Code
Always 1
Revision
https://github.com/cmsis-svd/cmsis-svd-data