Resolved! Memory mapping in RM0432 Rev. 5 - STM32L4R5, R7, R9 wrong?!
Fig. 2 (Memory map) seems to be incorrect as it statesOctoSPI bank2: below 0x60000000FMC bank1: 0x60000000 - 0x6FFFFFFFReserved: 0x70000000 - 0x7FFFFFFFFMC bank3: 0x80000000 - 0x8FFFFFFFOctoSPI bank1: 0x90000000 - 0x9FF...