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bsp/atsam: Reserve one region for applications.

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This allows a user to overwrite some MPU settings. That can for example
be usefull for devices with special requirements that are connected to
the external bus interface.
This commit is contained in:
Christian Mauderer
2018-05-24 10:32:35 +02:00
parent df71100c66
commit ef61d892a4
1 changed files with 4 additions and 0 deletions
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4
bsps/arm/atsam/include/libchip/include/mpu.h
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@@ -55,6 +55,10 @@
#define MPU_NOCACHE_SRAM_REGION (11)
#endif
#define MPU_SYSTEM_REGION (12)
#ifdef __rtems__
/* Reserve the region with highest priority for user applications */
#define MPU_USER_DEFINED_REGION (15)
#endif /* __rtems__ */
#define MPU_REGION_VALID (0x10)
#define MPU_REGION_ENABLE (0x01)