Did not work @Emilmart​ . When I use the STM32CubeProgrammer to write the custom loader from memory position 0x90000000, I see on the oscilloscope that the Init function is executed (MX_OCTOSPI1_Init, Reset and MemoryMappedMode), then the Write funct...

Hi @Emilmart​,I have the same issue with with STM32H7A3VI. Could you show me how you did it? "Hi in the linker instead of using the Init as entry point like in the example I kept the Reset_Handler as entry point, with modifying the startup file for r...