Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32u5/STM32U535/OCTOSPI1/HLCR#0x0
HyperBus latency configuration register
Latency mode
Write zero latency
Access time
Read write recovery time
https://github.com/modm-io/cmsis-svd-stm32