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boards: CUAV H7 boards clear MPU early in board init

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- needed if the bootloader configures the memory protection unit (MPU)
This commit is contained in:
Daniel Agar
2021-08-31 17:59:21 -04:00
parent 15e6ca9e1e
commit 7476a2953e
2 changed files with 24 additions and 0 deletions
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12
boards/cuav/nora/src/init.c
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@@ -60,6 +60,8 @@
#include <px4_platform/gpio.h> #include <px4_platform/gpio.h>
#include <px4_platform/board_dma_alloc.h> #include <px4_platform/board_dma_alloc.h>
#include <mpu.h>
__BEGIN_DECLS __BEGIN_DECLS
extern void led_init(void); extern void led_init(void);
extern void led_on(int led); extern void led_on(int led);
@@ -127,6 +129,16 @@ __EXPORT void board_on_reset(int status)
************************************************************************************/ ************************************************************************************/
__EXPORT void stm32_boardinitialize(void) __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);
}
/* Reset PWM first thing */ /* Reset PWM first thing */
board_on_reset(-1); board_on_reset(-1);

12
boards/cuav/x7pro/src/init.c
View File

@@ -60,6 +60,8 @@
#include <px4_platform/gpio.h> #include <px4_platform/gpio.h>
#include <px4_platform/board_dma_alloc.h> #include <px4_platform/board_dma_alloc.h>
#include <mpu.h>
__BEGIN_DECLS __BEGIN_DECLS
extern void led_init(void); extern void led_init(void);
extern void led_on(int led); extern void led_on(int led);
@@ -127,6 +129,16 @@ __EXPORT void board_on_reset(int status)
************************************************************************************/ ************************************************************************************/
__EXPORT void stm32_boardinitialize(void) __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);
}
/* Reset PWM first thing */ /* Reset PWM first thing */
board_on_reset(-1); board_on_reset(-1);