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ARMv7-M MPU. Bad syntax will cause failure to write the correct value to the MPU_RASR register. From Juha Niskanen

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Gregory Nutt
2015-03-12 08:00:53 -06:00
parent dba41a7048
commit 9997fa77ad
1 changed files with 2 additions and 2 deletions
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arch/arm/src/armv7-m/mpu.h
+2 -2
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@@ -500,7 +500,7 @@ static inline void mpu_peripheral(uintptr_t base, size_t size)
l2size = mpu_log2regionceil(size); l2size = mpu_log2regionceil(size);
subregions = mpu_subregion(base, size, l2size); subregions = mpu_subregion(base, size, l2size);
/* The configure the region */ /* Then configure the region */
regval = MPU_RASR_ENABLE | /* Enable region */ regval = MPU_RASR_ENABLE | /* Enable region */
MPU_RASR_SIZE_LOG2((uint32_t)l2size) | /* Region size */ MPU_RASR_SIZE_LOG2((uint32_t)l2size) | /* Region size */
@@ -508,7 +508,7 @@ static inline void mpu_peripheral(uintptr_t base, size_t size)
MPU_RASR_S | /* Shareable */ MPU_RASR_S | /* Shareable */
MPU_RASR_B | /* Bufferable */ MPU_RASR_B | /* Bufferable */
MPU_RASR_AP_RWNO | /* P:RW U:None */ MPU_RASR_AP_RWNO | /* P:RW U:None */
MPU_RASR_XN | /* Instruction access disable */ MPU_RASR_XN; /* Instruction access disable */
putreg32(regval, MPU_RASR); putreg32(regval, MPU_RASR);
} }