diff options
| -rw-r--r-- | stmhal/system_stm32.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/stmhal/system_stm32.c b/stmhal/system_stm32.c index 72cc0b2ea5..7758aae305 100644 --- a/stmhal/system_stm32.c +++ b/stmhal/system_stm32.c @@ -307,4 +307,12 @@ void SystemClock_Config(void) { __fatal_error("HAL_RCC_ClockConfig"); } + +#if defined(STM32F7) + // The DFU bootloader changes the clocksource register from its default power + // on reset value, so we set it back here, so the clocksources are the same + // whether we were started from DFU or from a power on reset. + + RCC->DCKCFGR2 = 0; +#endif } |