Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32h7/STM32H723/OCTOSPI1/DCR1#0x0
device configuration register
Mode 0 / mode 3
Free running clock
Delay block bypass
Chip-select high time
Device size
Memory type
https://github.com/modm-io/cmsis-svd-stm32