Unverified Commit ba0b512f authored by Daniel Agar's avatar Daniel Agar
Browse files

boards: Holybro H7 boards clear MPU early in board init

 - needed if the bootloader configures the memory protection unit (MPU)
parent 7476a295
......@@ -75,6 +75,8 @@
#include <px4_platform/board_determine_hw_info.h>
#include <px4_platform/board_dma_alloc.h>
#include <mpu.h>
/****************************************************************************
* 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 */
......
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