1struct 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