313 lines
9.5 KiB
C
313 lines
9.5 KiB
C
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-12-5 SummerGift first version
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*/
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#include "board.h"
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#ifdef BSP_USING_ON_CHIP_FLASH
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#include "drv_config.h"
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#include "drv_flash.h"
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#if defined(RT_USING_FAL)
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#include "fal.h"
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#endif
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//#define DRV_DEBUG
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#define LOG_TAG "drv.flash"
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#include <drv_log.h>
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/* Base address of the Flash sectors Bank 1 */
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#define ADDR_FLASH_SECTOR_0 ((uint32_t)0x08000000) /* Base @ of Sector 0, 16 Kbytes */
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#define ADDR_FLASH_SECTOR_1 ((uint32_t)0x08004000) /* Base @ of Sector 1, 16 Kbytes */
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#define ADDR_FLASH_SECTOR_2 ((uint32_t)0x08008000) /* Base @ of Sector 2, 16 Kbytes */
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#define ADDR_FLASH_SECTOR_3 ((uint32_t)0x0800C000) /* Base @ of Sector 3, 16 Kbytes */
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#define ADDR_FLASH_SECTOR_4 ((uint32_t)0x08010000) /* Base @ of Sector 4, 64 Kbytes */
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#define ADDR_FLASH_SECTOR_5 ((uint32_t)0x08020000) /* Base @ of Sector 5, 128 Kbytes */
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#define ADDR_FLASH_SECTOR_6 ((uint32_t)0x08040000) /* Base @ of Sector 6, 128 Kbytes */
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#define ADDR_FLASH_SECTOR_7 ((uint32_t)0x08060000) /* Base @ of Sector 7, 128 Kbytes */
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#define ADDR_FLASH_SECTOR_8 ((uint32_t)0x08080000) /* Base @ of Sector 8, 128 Kbytes */
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#define ADDR_FLASH_SECTOR_9 ((uint32_t)0x080A0000) /* Base @ of Sector 9, 128 Kbytes */
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#define ADDR_FLASH_SECTOR_10 ((uint32_t)0x080C0000) /* Base @ of Sector 10, 128 Kbytes */
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#define ADDR_FLASH_SECTOR_11 ((uint32_t)0x080E0000) /* Base @ of Sector 11, 128 Kbytes */
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/**
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* @brief Gets the sector of a given address
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* @param None
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* @retval The sector of a given address
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*/
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static rt_uint32_t GetSector(rt_uint32_t Address)
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{
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rt_uint32_t sector = 0;
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if((Address < ADDR_FLASH_SECTOR_1) && (Address >= ADDR_FLASH_SECTOR_0))
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{
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sector = FLASH_SECTOR_0;
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}
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else if((Address < ADDR_FLASH_SECTOR_2) && (Address >= ADDR_FLASH_SECTOR_1))
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{
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sector = FLASH_SECTOR_1;
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}
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else if((Address < ADDR_FLASH_SECTOR_3) && (Address >= ADDR_FLASH_SECTOR_2))
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{
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sector = FLASH_SECTOR_2;
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}
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else if((Address < ADDR_FLASH_SECTOR_4) && (Address >= ADDR_FLASH_SECTOR_3))
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{
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sector = FLASH_SECTOR_3;
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}
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else if((Address < ADDR_FLASH_SECTOR_5) && (Address >= ADDR_FLASH_SECTOR_4))
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{
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sector = FLASH_SECTOR_4;
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}
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else if((Address < ADDR_FLASH_SECTOR_6) && (Address >= ADDR_FLASH_SECTOR_5))
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{
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sector = FLASH_SECTOR_5;
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}
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else if((Address < ADDR_FLASH_SECTOR_7) && (Address >= ADDR_FLASH_SECTOR_6))
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{
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sector = FLASH_SECTOR_6;
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}
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else if((Address < ADDR_FLASH_SECTOR_8) && (Address >= ADDR_FLASH_SECTOR_7))
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{
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sector = FLASH_SECTOR_7;
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}
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#if defined(FLASH_SECTOR_8)
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else if((Address < ADDR_FLASH_SECTOR_9) && (Address >= ADDR_FLASH_SECTOR_8))
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{
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sector = FLASH_SECTOR_8;
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}
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#endif
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#if defined(FLASH_SECTOR_9)
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else if((Address < ADDR_FLASH_SECTOR_10) && (Address >= ADDR_FLASH_SECTOR_9))
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{
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sector = FLASH_SECTOR_9;
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}
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#endif
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#if defined(FLASH_SECTOR_10)
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else if((Address < ADDR_FLASH_SECTOR_11) && (Address >= ADDR_FLASH_SECTOR_10))
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{
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sector = FLASH_SECTOR_10;
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}
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#endif
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#if defined(FLASH_SECTOR_11)
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else /* (Address < FLASH_END_ADDR) && (Address >= ADDR_FLASH_SECTOR_11) */
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{
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sector = FLASH_SECTOR_11;
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}
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#endif
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return sector;
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}
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/**
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* Read data from flash.
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* @note This operation's units is word.
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*
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* @param addr flash address
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* @param buf buffer to store read data
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* @param size read bytes size
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*
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* @return result
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*/
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int stm32_flash_read(rt_uint32_t addr, rt_uint8_t *buf, size_t size)
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{
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size_t i;
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if ((addr + size) > STM32_FLASH_END_ADDRESS)
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{
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LOG_E("read outrange flash size! addr is (0x%p)", (void*)(addr + size));
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return -1;
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}
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for (i = 0; i < size; i++, buf++, addr++)
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{
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*buf = *(rt_uint8_t *) addr;
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}
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return size;
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}
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/**
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* Write data to flash.
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* @note This operation's units is word.
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* @note This operation must after erase. @see flash_erase.
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*
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* @param addr flash address
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* @param buf the write data buffer
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* @param size write bytes size
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*
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* @return result
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*/
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int stm32_flash_write(rt_uint32_t addr, const rt_uint8_t *buf, size_t size)
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{
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rt_err_t result = RT_EOK;
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rt_uint32_t end_addr = addr + size;
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if ((end_addr) > STM32_FLASH_END_ADDRESS)
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{
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LOG_E("write outrange flash size! addr is (0x%p)", (void*)(addr + size));
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return -RT_EINVAL;
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}
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if (size < 1)
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{
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return -RT_EINVAL;
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}
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HAL_FLASH_Unlock();
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__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
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for (size_t i = 0; i < size; i++, addr++, buf++)
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{
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/* write data to flash */
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if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_BYTE, addr, (rt_uint64_t)(*buf)) == HAL_OK)
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{
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if (*(rt_uint8_t *)addr != *buf)
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{
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result = -RT_ERROR;
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break;
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}
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}
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else
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{
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result = -RT_ERROR;
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break;
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}
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}
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HAL_FLASH_Lock();
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if (result != RT_EOK)
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{
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return result;
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}
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return size;
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}
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/**
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* Erase data on flash.
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* @note This operation is irreversible.
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* @note This operation's units is different which on many chips.
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*
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* @param addr flash address
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* @param size erase bytes size
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*
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* @return result
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*/
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int stm32_flash_erase(rt_uint32_t addr, size_t size)
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{
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rt_err_t result = RT_EOK;
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rt_uint32_t FirstSector = 0, NbOfSectors = 0;
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rt_uint32_t SECTORError = 0;
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if ((addr + size) > STM32_FLASH_END_ADDRESS)
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{
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LOG_E("ERROR: erase outrange flash size! addr is (0x%p)\n", (void*)(addr + size));
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return -RT_EINVAL;
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}
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/*Variable used for Erase procedure*/
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FLASH_EraseInitTypeDef EraseInitStruct;
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/* Unlock the Flash to enable the flash control register access */
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HAL_FLASH_Unlock();
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__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
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/* Get the 1st sector to erase */
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FirstSector = GetSector(addr);
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/* Get the number of sector to erase from 1st sector*/
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NbOfSectors = GetSector(addr + size - 1) - FirstSector + 1;
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/* Fill EraseInit structure*/
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EraseInitStruct.TypeErase = FLASH_TYPEERASE_SECTORS;
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EraseInitStruct.VoltageRange = FLASH_VOLTAGE_RANGE_3;
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EraseInitStruct.Sector = FirstSector;
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EraseInitStruct.NbSectors = NbOfSectors;
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if (HAL_FLASHEx_Erase(&EraseInitStruct, (uint32_t *)&SECTORError) != HAL_OK)
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{
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result = -RT_ERROR;
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goto __exit;
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}
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__exit:
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HAL_FLASH_Lock();
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if (result != RT_EOK)
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{
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return result;
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}
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LOG_D("erase done: addr (0x%p), size %d", (void*)addr, size);
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return result;
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}
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#if defined(RT_USING_FAL)
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static int fal_flash_read_16k(long offset, rt_uint8_t *buf, size_t size);
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static int fal_flash_read_64k(long offset, rt_uint8_t *buf, size_t size);
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static int fal_flash_read_128k(long offset, rt_uint8_t *buf, size_t size);
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static int fal_flash_write_16k(long offset, const rt_uint8_t *buf, size_t size);
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static int fal_flash_write_64k(long offset, const rt_uint8_t *buf, size_t size);
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static int fal_flash_write_128k(long offset, const rt_uint8_t *buf, size_t size);
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static int fal_flash_erase_16k(long offset, size_t size);
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static int fal_flash_erase_64k(long offset, size_t size);
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static int fal_flash_erase_128k(long offset, size_t size);
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const struct fal_flash_dev stm32_onchip_flash_16k = { "onchip_flash_16k", STM32_FLASH_START_ADRESS_16K, FLASH_SIZE_GRANULARITY_16K, (16 * 1024), {NULL, fal_flash_read_16k, fal_flash_write_16k, fal_flash_erase_16k} };
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const struct fal_flash_dev stm32_onchip_flash_64k = { "onchip_flash_64k", STM32_FLASH_START_ADRESS_64K, FLASH_SIZE_GRANULARITY_64K, (64 * 1024), {NULL, fal_flash_read_64k, fal_flash_write_64k, fal_flash_erase_64k} };
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const struct fal_flash_dev stm32_onchip_flash_128k = { "onchip_flash_128k", STM32_FLASH_START_ADRESS_128K, FLASH_SIZE_GRANULARITY_128K, (128 * 1024), {NULL, fal_flash_read_128k, fal_flash_write_128k, fal_flash_erase_128k} };
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static int fal_flash_read_16k(long offset, rt_uint8_t *buf, size_t size)
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{
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return stm32_flash_read(stm32_onchip_flash_16k.addr + offset, buf, size);
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}
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static int fal_flash_read_64k(long offset, rt_uint8_t *buf, size_t size)
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{
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return stm32_flash_read(stm32_onchip_flash_64k.addr + offset, buf, size);
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}
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static int fal_flash_read_128k(long offset, rt_uint8_t *buf, size_t size)
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{
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return stm32_flash_read(stm32_onchip_flash_128k.addr + offset, buf, size);
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}
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static int fal_flash_write_16k(long offset, const rt_uint8_t *buf, size_t size)
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{
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return stm32_flash_write(stm32_onchip_flash_16k.addr + offset, buf, size);
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}
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static int fal_flash_write_64k(long offset, const rt_uint8_t *buf, size_t size)
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{
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return stm32_flash_write(stm32_onchip_flash_64k.addr + offset, buf, size);
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}
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static int fal_flash_write_128k(long offset, const rt_uint8_t *buf, size_t size)
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{
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return stm32_flash_write(stm32_onchip_flash_128k.addr + offset, buf, size);
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}
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static int fal_flash_erase_16k(long offset, size_t size)
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{
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return stm32_flash_erase(stm32_onchip_flash_16k.addr + offset, size);
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}
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static int fal_flash_erase_64k(long offset, size_t size)
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{
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return stm32_flash_erase(stm32_onchip_flash_64k.addr + offset, size);
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}
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static int fal_flash_erase_128k(long offset, size_t size)
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{
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return stm32_flash_erase(stm32_onchip_flash_128k.addr + offset, size);
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}
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#endif
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#endif /* BSP_USING_ON_CHIP_FLASH */
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