1 struct stm32_flash_regs { 2 u32 acr; 3 u32 key; 4 u32 optkeyr; 5 u32 sr; 6 u32 cr; 7 u32 optcr; 8 u32 optcr1; 9 }; 10 11 #define STM32_FLASH_KEY1 0x45670123 12 #define STM32_FLASH_KEY2 0xCDEF89AB 13 14 #define STM32_FLASH_SR_BSY (1 << 16) 15 16 #define STM32_FLASH_CR_PG (1 << 0) 17 #define STM32_FLASH_CR_SER (1 << 1) 18 #define STM32_FLASH_CR_STRT (1 << 16) 19 #define STM32_FLASH_CR_LOCK (1 << 31) 20 #define STM32_FLASH_CR_SNB_OFFSET 3 21 #define STM32_FLASH_CR_SNB_MASK (15 << STM32_FLASH_CR_SNB_OFFSET) 22 23 /* Flash ACR: Access control register */ 24 #define FLASH_ACR_WS(n) n 25 #define FLASH_ACR_PRFTEN (1 << 8) 26 #define FLASH_ACR_ICEN (1 << 9) 27 #define FLASH_ACR_DCEN (1 << 10) 28