From 9ecb0c416c68d3105bc9b6607bc8601cab2ecf35 Mon Sep 17 00:00:00 2001 From: Vikas Manocha Date: Wed, 9 Mar 2016 15:18:13 -0800 Subject: stm32: stm32f4: move flash driver to mtd driver location Same flash driver can be used by other stm32 families like stm32f7. Better place for this driver would be mtd driver location. Signed-off-by: Vikas Manocha --- drivers/mtd/stm32_flash.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 drivers/mtd/stm32_flash.h (limited to 'drivers/mtd/stm32_flash.h') diff --git a/drivers/mtd/stm32_flash.h b/drivers/mtd/stm32_flash.h new file mode 100644 index 0000000000..8cb81ef68c --- /dev/null +++ b/drivers/mtd/stm32_flash.h @@ -0,0 +1,27 @@ +struct stm32_flash_regs { + u32 acr; + u32 key; + u32 optkeyr; + u32 sr; + u32 cr; + u32 optcr; + u32 optcr1; +}; + +#define STM32_FLASH_KEY1 0x45670123 +#define STM32_FLASH_KEY2 0xCDEF89AB + +#define STM32_FLASH_SR_BSY (1 << 16) + +#define STM32_FLASH_CR_PG (1 << 0) +#define STM32_FLASH_CR_SER (1 << 1) +#define STM32_FLASH_CR_STRT (1 << 16) +#define STM32_FLASH_CR_LOCK (1 << 31) +#define STM32_FLASH_CR_SNB_OFFSET 3 +#define STM32_FLASH_CR_SNB_MASK (15 << STM32_FLASH_CR_SNB_OFFSET) + +/* Flash ACR: Access control register */ +#define FLASH_ACR_WS(n) n +#define FLASH_ACR_PRFTEN (1 << 8) +#define FLASH_ACR_ICEN (1 << 9) +#define FLASH_ACR_DCEN (1 << 10) -- cgit v1.2.3