diff --git a/boards/holybro/durandal-v1/src/init.c b/boards/holybro/durandal-v1/src/init.c index 05746c4959..3f1eccc180 100644 --- a/boards/holybro/durandal-v1/src/init.c +++ b/boards/holybro/durandal-v1/src/init.c @@ -75,6 +75,8 @@ #include #include +#include + /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ @@ -160,6 +162,16 @@ __EXPORT void board_on_reset(int status) __EXPORT void stm32_boardinitialize(void) { + // clear all existing MPU configuration from bootloader + for (int region = 0; region < CONFIG_ARM_MPU_NREGIONS; region++) { + putreg32(region, MPU_RNR); + putreg32(0, MPU_RBAR); + putreg32(0, MPU_RASR); + + // save + putreg32(0, MPU_CTRL); + } + board_on_reset(-1); /* Reset PWM first thing */ /* configure LEDs */