Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/BGM210LA22JNF/MSC_NS/IEN#0x0
No Description
Erase Done Interrupt enable
Write Done Interrupt enable
write data buffer overflow irq enable
Flash Power Up Sequence Complete
https://github.com/cmsis-svd/cmsis-svd-data