Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series0/EFM32G/EFM32G890F64/EBI/ROUTE#0x0
I/O Routing Register
EBI Pin Enable
EBI_CS0 Pin Enable
EBI_CS1 Pin Enable
EBI_CS2 Pin Enable
EBI_CS3 Pin Enable
EBI_ALE Pin Enable
EBI_ARDY Pin Enable
https://github.com/cmsis-svd/cmsis-svd-data