diff options
Diffstat (limited to 'chip/stm32/registers-stm32f4.h')
| -rw-r--r-- | chip/stm32/registers-stm32f4.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/chip/stm32/registers-stm32f4.h b/chip/stm32/registers-stm32f4.h index 06ac8f61ad..aef2f87f6f 100644 --- a/chip/stm32/registers-stm32f4.h +++ b/chip/stm32/registers-stm32f4.h @@ -729,7 +729,12 @@ typedef volatile struct stm32_spi_regs stm32_spi_regs_t; #define FLASH_OPTLOCK BIT(0) #define FLASH_OPTSTRT BIT(1) #define STM32_FLASH_BOR_LEV_OFFSET (2) -#define STM32_FLASH_RDP_MASK (0xFF << 8) +#define FLASH_OPTCR_RDP_SHIFT (8) +#define FLASH_OPTCR_RDP_MASK (0xFF << FLASH_OPTCR_RDP_SHIFT) +#define FLASH_OPTCR_RDP_LEVEL_0 (0xAA << FLASH_OPTCR_RDP_SHIFT) +/* RDP Level 1: Anything but 0xAA/0xCC */ +#define FLASH_OPTCR_RDP_LEVEL_1 (0x00 << FLASH_OPTCR_RDP_SHIFT) +#define FLASH_OPTCR_RDP_LEVEL_2 (0xCC << FLASH_OPTCR_RDP_SHIFT) #define STM32_FLASH_nWRP_OFFSET (16) #define STM32_FLASH_nWRP(_bank) BIT(_bank + STM32_FLASH_nWRP_OFFSET) #define STM32_FLASH_nWRP_ALL (0xFF << STM32_FLASH_nWRP_OFFSET) |