Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32l4/STM32L4x2/SYSCFG/MEMRMP#0x0
memory remap register
Memory mapping selection
QUADSPI memory mapping swap
Flash Bank mode selection
https://github.com/modm-io/cmsis-svd-stm32