Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Fujitsu/S6E2CC/EXBUS/SDMODE#0x0
SDRAM Mode Register
SDRAM ON
Power Down ON
Refresh OFF
Column Address Select
Row Address Select
Bank Address Select
MSDCLK OFF
https://github.com/cmsis-svd/cmsis-svd-data