drivers/mtd/stm32_flash.h

   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)