| /* |
| * Copyright (c) 2017 RnDity Sp. z o.o. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef _STM32F0X_FLASH_REGISTERS_H_ |
| #define _STM32F0X_FLASH_REGISTERS_H_ |
| |
| #include <zephyr/types.h> |
| |
| /** |
| * @brief |
| * |
| * Based on reference manual: |
| * STM32F030x4/x6/x8/xC, |
| * STM32F070x6/xB advanced ARM ® -based MCUs |
| * |
| * Chapter 3.3.5: Embedded Flash Memory |
| */ |
| |
| enum { |
| STM32_FLASH_LATENCY_0 = 0x0, |
| STM32_FLASH_LATENCY_1 = 0x1 |
| }; |
| |
| /* 3.3.5.1 FLASH_ACR */ |
| union ef_acr { |
| u32_t val; |
| struct { |
| u32_t latency :3 __packed; |
| u32_t rsvd__3 :1 __packed; |
| u32_t prftbe :1 __packed; |
| u32_t prftbs :1 __packed; |
| u32_t rsvd__6_31 :26 __packed; |
| } bit; |
| }; |
| |
| /* 3.3.5 Embedded flash registers */ |
| struct stm32f0x_flash { |
| volatile union ef_acr acr; |
| volatile u32_t keyr; |
| volatile u32_t optkeyr; |
| volatile u32_t sr; |
| volatile u32_t cr; |
| volatile u32_t ar; |
| volatile u32_t rsvd; |
| volatile u32_t obr; |
| volatile u32_t wrpr; |
| }; |
| |
| #endif /* _STM32F0X_FLASH_REGISTERS_H_ */ |