Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32GG11B/EFM32GG11B840F1024GM64/EBI/WRTIMING#0x0
Write Timing Register
Write Setup Time
Write Strobe Time
Write Hold Time
Half Cycle WEn Strobe Duration Enable
Write Buffer Disable
https://github.com/cmsis-svd/cmsis-svd-data