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Diffstat (limited to 'nuttx/arch/arm/src/stm32/chip/stm32f40xxx_memorymap.h')
-rw-r--r--nuttx/arch/arm/src/stm32/chip/stm32f40xxx_memorymap.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/nuttx/arch/arm/src/stm32/chip/stm32f40xxx_memorymap.h b/nuttx/arch/arm/src/stm32/chip/stm32f40xxx_memorymap.h
index a7ee8e97cf..6b99121216 100644
--- a/nuttx/arch/arm/src/stm32/chip/stm32f40xxx_memorymap.h
+++ b/nuttx/arch/arm/src/stm32/chip/stm32f40xxx_memorymap.h
@@ -55,7 +55,7 @@
/* 0xc0000000-0xdfffffff: 512Mb (not used) */
#define STM32_CORTEX_BASE 0xe0000000 /* 0xe0000000-0xffffffff: 512Mb Cortex-M4 block */
-#define STM32_REGION_MASK 0x0fffffff
+#define STM32_REGION_MASK 0xf0000000
#define STM32_IS_SRAM(a) ((((uint32_t)(a)) & STM32_REGION_MASK) == STM32_SRAM_BASE)
#define STM32_IS_EXTSRAM(a) ((((uint32_t)(a)) & STM32_REGION_MASK) == STM32_FSMC_BANK1)