Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Atmel/ATSAM4SP32A/EFC1/FMR#0x0
EEFC Flash Mode Register
Ready Interrupt Enable
Flash Wait State
Sequential Code Optimization Disable
Flash Access Mode
Code Loops Optimization Enable
https://github.com/cmsis-svd/cmsis-svd-data