diff options
Diffstat (limited to 'bsps/arm/atsam/contrib/libraries/libboard/source/board_lowlevel.c')
-rw-r--r-- | bsps/arm/atsam/contrib/libraries/libboard/source/board_lowlevel.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/bsps/arm/atsam/contrib/libraries/libboard/source/board_lowlevel.c b/bsps/arm/atsam/contrib/libraries/libboard/source/board_lowlevel.c index cbdf41ba73..a2dd595fb5 100644 --- a/bsps/arm/atsam/contrib/libraries/libboard/source/board_lowlevel.c +++ b/bsps/arm/atsam/contrib/libraries/libboard/source/board_lowlevel.c @@ -347,6 +347,23 @@ void _SetupMemoryRegion(void) SCB->SHCSR |= (SCB_SHCSR_MEMFAULTENA_Msk | SCB_SHCSR_BUSFAULTENA_Msk | SCB_SHCSR_USGFAULTENA_Msk); +#ifdef __rtems__ + dwRegionBaseAddr = + ((uintptr_t)atsam_memory_null_begin) | + MPU_REGION_VALID | + MPU_NULL_REGION; + if (atsam_memory_null_begin != atsam_memory_itcm_end) { + dwRegionAttr = + MPU_AP_NO_ACCESS | + MPU_REGION_EXECUTE_NEVER | + MPU_CalMPURegionSize((uintptr_t)atsam_memory_null_size) | + MPU_REGION_ENABLE; + } else { + dwRegionAttr = MPU_REGION_DISABLE; + } + MPU_SetRegion(dwRegionBaseAddr, dwRegionAttr); +#endif /* __rtems__ */ + /* Enable the MPU region */ #ifndef __rtems__ MPU_Enable(MPU_ENABLE | MPU_PRIVDEFENA); |