pebble/src/fw/drivers/system_flash.h

58 lines
2.9 KiB
C

/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <stdint.h>
// FIXME: This interface totally sucks. It's really just me hacking around. I'll clean it up I promise.
#define FLASH_Sector_0 ((uint16_t)0x0000) /*!< Sector Number 0 */
#define FLASH_Sector_1 ((uint16_t)0x0008) /*!< Sector Number 1 */
#define FLASH_Sector_2 ((uint16_t)0x0010) /*!< Sector Number 2 */
#define FLASH_Sector_3 ((uint16_t)0x0018) /*!< Sector Number 3 */
#define FLASH_Sector_4 ((uint16_t)0x0020) /*!< Sector Number 4 */
#define FLASH_Sector_5 ((uint16_t)0x0028) /*!< Sector Number 5 */
#define FLASH_Sector_6 ((uint16_t)0x0030) /*!< Sector Number 6 */
#define FLASH_Sector_7 ((uint16_t)0x0038) /*!< Sector Number 7 */
#define FLASH_Sector_8 ((uint16_t)0x0040) /*!< Sector Number 8 */
#define FLASH_Sector_9 ((uint16_t)0x0048) /*!< Sector Number 9 */
#define FLASH_Sector_10 ((uint16_t)0x0050) /*!< Sector Number 10 */
#define FLASH_Sector_11 ((uint16_t)0x0058) /*!< Sector Number 11 */
#define ADDR_FLASH_SECTOR_0 ((uint32_t)0x08000000) /* Base @ of Sector 0, 16 Kbytes */
#define ADDR_FLASH_SECTOR_1 ((uint32_t)0x08004000) /* Base @ of Sector 1, 16 Kbytes */
#define ADDR_FLASH_SECTOR_2 ((uint32_t)0x08008000) /* Base @ of Sector 2, 16 Kbytes */
#define ADDR_FLASH_SECTOR_3 ((uint32_t)0x0800C000) /* Base @ of Sector 3, 16 Kbytes */
#define ADDR_FLASH_SECTOR_4 ((uint32_t)0x08010000) /* Base @ of Sector 4, 64 Kbytes */
#define ADDR_FLASH_SECTOR_5 ((uint32_t)0x08020000) /* Base @ of Sector 5, 128 Kbytes */
#define ADDR_FLASH_SECTOR_6 ((uint32_t)0x08040000) /* Base @ of Sector 6, 128 Kbytes */
#define ADDR_FLASH_SECTOR_7 ((uint32_t)0x08060000) /* Base @ of Sector 7, 128 Kbytes */
// stm32f2xx only has 512k of system flash, these sectors don't exist
#if defined(MICRO_FAMILY_STM32F4)
#define ADDR_FLASH_SECTOR_8 ((uint32_t)0x08080000) /* Base @ of Sector 8, 128 Kbytes */
#define ADDR_FLASH_SECTOR_9 ((uint32_t)0x080A0000) /* Base @ of Sector 9, 128 Kbytes */
#define ADDR_FLASH_SECTOR_10 ((uint32_t)0x080C0000) /* Base @ of Sector 10, 128 Kbytes */
#define ADDR_FLASH_SECTOR_11 ((uint32_t)0x080E0000) /* Base @ of Sector 11, 128 Kbytes */
#endif
void system_flash_erase(uint16_t sector);
void system_flash_write_byte(uint32_t address, uint8_t data);
uint32_t system_flash_read(uint32_t address);