| /* |
| * Copyright (c) 2016 RnDity Sp. z o.o. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef _STM32F3X_FLASH_REGISTERS_H_ |
| #define _STM32F3X_FLASH_REGISTERS_H_ |
| |
| #include <zephyr/types.h> |
| |
| /** |
| * @brief |
| * |
| * Based on reference manual: |
| * STM32F101xx, STM32F102xx, STM32F103xx, STM32F105xx and STM32F107xx |
| * advanced ARM(r)-based 32-bit MCUs |
| * & |
| * STM32F334xx advanced ARM(r)-based 32-bit MCUs |
| * |
| * Chapter 3.3.3: Embedded Flash Memory |
| */ |
| |
| enum { |
| STM32_FLASH_LATENCY_0 = 0x0, |
| STM32_FLASH_LATENCY_1 = 0x1, |
| STM32_FLASH_LATENCY_2 = 0x2, |
| }; |
| |
| /* 3.3.3 FLASH_ACR */ |
| union ef_acr { |
| u32_t val; |
| struct { |
| u32_t latency :3 __packed; |
| u32_t hlfcya :1 __packed; |
| u32_t prftbe :1 __packed; |
| u32_t prftbs :1 __packed; |
| u32_t rsvd__6_31 :26 __packed; |
| } bit; |
| }; |
| |
| /* 3.3.3 Embedded flash registers */ |
| struct stm32_flash { |
| union ef_acr acr; |
| u32_t keyr; |
| u32_t optkeyr; |
| u32_t sr; |
| u32_t cr; |
| u32_t ar; |
| u32_t rsvd; |
| u32_t obr; |
| u32_t wrpr; |
| }; |
| |
| /* list of device commands */ |
| enum stm32_embedded_flash_cmd { |
| STM32_FLASH_CMD_LATENCY_FOR_CLOCK_SET, |
| }; |
| |
| #endif /* _STM32F3X_FLASH_REGISTERS_H_ */ |