| /* |
| * Copyright (c) 2016 Linaro Limited. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef _STM32F4X_FLASH_REGISTERS_H_ |
| #define _STM32F4X_FLASH_REGISTERS_H_ |
| |
| /** |
| * @brief |
| * |
| * Based on reference manual: |
| * |
| * Chapter 3.4: Embedded Flash Memory |
| */ |
| |
| union __flash_acr { |
| u32_t val; |
| struct { |
| u32_t latency :4 __packed; |
| u32_t rsvd__4_7 :4 __packed; |
| u32_t prften :1 __packed; |
| u32_t icen :1 __packed; |
| u32_t dcen :1 __packed; |
| u32_t icrst :1 __packed; |
| u32_t dcrst :1 __packed; |
| u32_t rsvd__13_31 :19 __packed; |
| } bit; |
| }; |
| |
| /* 3.8.7 Embedded flash registers */ |
| struct stm32f4x_flash { |
| volatile union __flash_acr acr; |
| volatile u32_t keyr; |
| volatile u32_t optkeyr; |
| volatile u32_t sr; |
| volatile u32_t cr; |
| volatile u32_t optcr; |
| }; |
| |
| #endif /* _STM32F4X_FLASHREGISTERS_H_ */ |
