How to expose QSPI flash (W25Q128JVSIQ) at 0x9000 0000 over USB DFU on STM32H750VB?
Given that my QSPI driver and external loader for the W25Q128JVSIQ are already working, is there a hidden CubeProgrammer/DFU-descriptor trick that lets the stock USB bootloader read/write my external QSPI flash at 0x90000000, or must I build a custom...