376 lines
12 KiB
C
376 lines
12 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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* 2019-3-2 jinsheng add Macro judgment
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* 2020-1-6 duminmin support single bank mode
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* 2021-8-11 CX fix the sector calculation error bug
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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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#define ADDR_FLASH_SECTOR_0 ((rt_uint32_t)0x08000000) /* Base address of Sector 0, 32 Kbytes */
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#define ADDR_FLASH_SECTOR_1 ((rt_uint32_t)0x08008000) /* Base address of Sector 1, 32 Kbytes */
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#define ADDR_FLASH_SECTOR_2 ((rt_uint32_t)0x08010000) /* Base address of Sector 2, 32 Kbytes */
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#define ADDR_FLASH_SECTOR_3 ((rt_uint32_t)0x08018000) /* Base address of Sector 3, 32 Kbytes */
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#define ADDR_FLASH_SECTOR_4 ((rt_uint32_t)0x08020000) /* Base address of Sector 4, 128 Kbytes */
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#define ADDR_FLASH_SECTOR_5 ((rt_uint32_t)0x08040000) /* Base address of Sector 5, 256 Kbytes */
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#define ADDR_FLASH_SECTOR_6 ((rt_uint32_t)0x08080000) /* Base address of Sector 6, 256 Kbytes */
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#define ADDR_FLASH_SECTOR_7 ((rt_uint32_t)0x080C0000) /* Base address of Sector 7, 256 Kbytes */
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#define ADDR_FLASH_SECTOR_8 ((rt_uint32_t)0x08100000) /* Base address of Sector 8, 256 Kbytes */
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#define ADDR_FLASH_SECTOR_9 ((rt_uint32_t)0x08140000) /* Base address of Sector 9, 256 Kbytes */
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#define ADDR_FLASH_SECTOR_10 ((rt_uint32_t)0x08180000) /* Base address of Sector 10, 256 Kbytes */
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#define ADDR_FLASH_SECTOR_11 ((rt_uint32_t)0x081C0000) /* Base address of Sector 11, 256 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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uint32_t sector = 0;
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#if defined (FLASH_OPTCR_nDBANK)
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FLASH_OBProgramInitTypeDef OBInit;
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uint32_t nbank = 0;
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//get duel bank ability:nDBANK(Bit29)
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HAL_FLASHEx_OBGetConfig(&OBInit);
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nbank = ((OBInit.USERConfig & 0x20000000U) >> 29);
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//1:single bank mode
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if (1 == nbank)
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{
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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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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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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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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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else
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{
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sector = FLASH_SECTOR_11;
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}
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}
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else //0:dual bank mode
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{
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LOG_E("rtthread doesn't support duel bank mode yet!");
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RT_ASSERT(0);
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}
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#else //no dual bank ability
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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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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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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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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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else
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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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/* 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_ERSERR);
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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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/* 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, &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 size;
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}
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#if defined(RT_USING_FAL)
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#define FLASH_SIZE_GRANULARITY_32K (4 * 32 * 1024)
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#define FLASH_SIZE_GRANULARITY_128K (128 * 1024)
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#define FLASH_SIZE_GRANULARITY_256K (7 * 256 *1024)
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#define STM32_FLASH_START_ADRESS_32K (STM32_FLASH_START_ADRESS)
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#define STM32_FLASH_START_ADRESS_128K (STM32_FLASH_START_ADRESS_32K + FLASH_SIZE_GRANULARITY_32K)
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#define STM32_FLASH_START_ADRESS_256K (STM32_FLASH_START_ADRESS_128K + FLASH_SIZE_GRANULARITY_128K)
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static int fal_flash_read_32k(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_read_256k(long offset, rt_uint8_t *buf, size_t size);
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static int fal_flash_write_32k(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_write_256k(long offset, const rt_uint8_t *buf, size_t size);
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static int fal_flash_erase_32k(long offset, size_t size);
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static int fal_flash_erase_128k(long offset, size_t size);
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static int fal_flash_erase_256k(long offset, size_t size);
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const struct fal_flash_dev stm32_onchip_flash_32k = { "onchip_flash_32k", STM32_FLASH_START_ADRESS_32K, FLASH_SIZE_GRANULARITY_32K, (32 * 1024), {NULL, fal_flash_read_32k, fal_flash_write_32k, fal_flash_erase_32k} };
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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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const struct fal_flash_dev stm32_onchip_flash_256k = { "onchip_flash_256k", STM32_FLASH_START_ADRESS_256K, FLASH_SIZE_GRANULARITY_256K, (256 * 1024), {NULL, fal_flash_read_256k, fal_flash_write_256k, fal_flash_erase_256k} };
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static int fal_flash_read_32k(long offset, rt_uint8_t *buf, size_t size)
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{
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return stm32_flash_read(stm32_onchip_flash_32k.addr + offset, buf, size);
|
||
|
|
}
|
||
|
|
static int fal_flash_read_128k(long offset, rt_uint8_t *buf, size_t size)
|
||
|
|
{
|
||
|
|
return stm32_flash_read(stm32_onchip_flash_128k.addr + offset, buf, size);
|
||
|
|
}
|
||
|
|
static int fal_flash_read_256k(long offset, rt_uint8_t *buf, size_t size)
|
||
|
|
{
|
||
|
|
return stm32_flash_read(stm32_onchip_flash_256k.addr + offset, buf, size);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int fal_flash_write_32k(long offset, const rt_uint8_t *buf, size_t size)
|
||
|
|
{
|
||
|
|
return stm32_flash_write(stm32_onchip_flash_32k.addr + offset, buf, size);
|
||
|
|
}
|
||
|
|
static int fal_flash_write_128k(long offset, const rt_uint8_t *buf, size_t size)
|
||
|
|
{
|
||
|
|
return stm32_flash_write(stm32_onchip_flash_128k.addr + offset, buf, size);
|
||
|
|
}
|
||
|
|
static int fal_flash_write_256k(long offset, const rt_uint8_t *buf, size_t size)
|
||
|
|
{
|
||
|
|
return stm32_flash_write(stm32_onchip_flash_256k.addr + offset, buf, size);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int fal_flash_erase_32k(long offset, size_t size)
|
||
|
|
{
|
||
|
|
return stm32_flash_erase(stm32_onchip_flash_32k.addr + offset, size);
|
||
|
|
}
|
||
|
|
static int fal_flash_erase_128k(long offset, size_t size)
|
||
|
|
{
|
||
|
|
return stm32_flash_erase(stm32_onchip_flash_128k.addr + offset, size);
|
||
|
|
}
|
||
|
|
static int fal_flash_erase_256k(long offset, size_t size)
|
||
|
|
{
|
||
|
|
return stm32_flash_erase(stm32_onchip_flash_256k.addr + offset, size);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
#endif /* BSP_USING_ON_CHIP_FLASH */
|