Hi,
RT1170 FlexSPI controller can connect with OSPI/HyperRAM memory devices.
Please refer below application notes for detailed info.
AN13028 Advanced HyperRAM/PSRAM Usage on i.MX RT
AN12107 How to Enable Boot from Octal SPI Flash and SD Card
AN12108 How to Enable Boot from QSPI Flash
AN12183 How to Enable Debugging for FLEXSPI NOR Flash
Wish it helps.
Mike