274 lines
6.3 KiB
C
274 lines
6.3 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006-2023, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2018-12-5 SummerGift first version
|
||
|
|
* 2020-03-05 redoc support stm32f103vg
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "board.h"
|
||
|
|
|
||
|
|
#ifdef BSP_USING_ON_CHIP_FLASH
|
||
|
|
#include "drv_config.h"
|
||
|
|
#include "drv_flash.h"
|
||
|
|
|
||
|
|
#if defined(RT_USING_FAL)
|
||
|
|
#include "fal.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//#define DRV_DEBUG
|
||
|
|
#define LOG_TAG "drv.flash"
|
||
|
|
#include <drv_log.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Gets the page of a given address
|
||
|
|
* @param Addr: Address of the FLASH Memory
|
||
|
|
* @retval The page of a given address
|
||
|
|
*/
|
||
|
|
static uint32_t GetPage(uint32_t addr)
|
||
|
|
{
|
||
|
|
uint32_t page = 0;
|
||
|
|
page = RT_ALIGN_DOWN(addr, FLASH_PAGE_SIZE);
|
||
|
|
return page;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Read data from flash.
|
||
|
|
* @note This operation's units is word.
|
||
|
|
*
|
||
|
|
* @param addr flash address
|
||
|
|
* @param buf buffer to store read data
|
||
|
|
* @param size read bytes size
|
||
|
|
*
|
||
|
|
* @return result
|
||
|
|
*/
|
||
|
|
int stm32_flash_read(rt_uint32_t addr, rt_uint8_t *buf, size_t size)
|
||
|
|
{
|
||
|
|
size_t i;
|
||
|
|
|
||
|
|
if ((addr + size) > STM32_FLASH_END_ADDRESS)
|
||
|
|
{
|
||
|
|
LOG_E("read outrange flash size! addr is (0x%p)", (void *)(addr + size));
|
||
|
|
return -RT_EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; i < size; i++, buf++, addr++)
|
||
|
|
{
|
||
|
|
*buf = *(rt_uint8_t *) addr;
|
||
|
|
}
|
||
|
|
|
||
|
|
return size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Write data to flash.
|
||
|
|
* @note This operation's units is word.
|
||
|
|
* @note This operation must after erase. @see flash_erase.
|
||
|
|
*
|
||
|
|
* @param addr flash address
|
||
|
|
* @param buf the write data buffer
|
||
|
|
* @param size write bytes size
|
||
|
|
*
|
||
|
|
* @return result
|
||
|
|
*/
|
||
|
|
int stm32_flash_write(rt_uint32_t addr, const rt_uint8_t *buf, size_t size)
|
||
|
|
{
|
||
|
|
rt_err_t result = RT_EOK;
|
||
|
|
rt_uint32_t end_addr = addr + size;
|
||
|
|
|
||
|
|
if (addr % 4 != 0)
|
||
|
|
{
|
||
|
|
LOG_E("write addr must be 4-byte alignment");
|
||
|
|
return -RT_EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((end_addr) > STM32_FLASH_END_ADDRESS)
|
||
|
|
{
|
||
|
|
LOG_E("write outrange flash size! addr is (0x%p)", (void *)(addr + size));
|
||
|
|
return -RT_EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
HAL_FLASH_Unlock();
|
||
|
|
|
||
|
|
while (addr < end_addr)
|
||
|
|
{
|
||
|
|
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, addr, *((rt_uint32_t *)buf)) == HAL_OK)
|
||
|
|
{
|
||
|
|
if (*(rt_uint32_t *)addr != *(rt_uint32_t *)buf)
|
||
|
|
{
|
||
|
|
result = -RT_ERROR;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
addr += 4;
|
||
|
|
buf += 4;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
result = -RT_ERROR;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
HAL_FLASH_Lock();
|
||
|
|
|
||
|
|
if (result != RT_EOK)
|
||
|
|
{
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
return size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Erase data on flash with bank.
|
||
|
|
* @note This operation is irreversible.
|
||
|
|
* @note This operation's units is different which on many chips.
|
||
|
|
*
|
||
|
|
* @param bank flash bank
|
||
|
|
* @param addr flash address
|
||
|
|
* @param size erase bytes size
|
||
|
|
*
|
||
|
|
* @return result
|
||
|
|
*/
|
||
|
|
int stm32_flash_erase_bank(uint32_t bank, rt_uint32_t addr, size_t size)
|
||
|
|
{
|
||
|
|
rt_err_t result = RT_EOK;
|
||
|
|
uint32_t PAGEError = 0;
|
||
|
|
|
||
|
|
/*Variable used for Erase procedure*/
|
||
|
|
FLASH_EraseInitTypeDef EraseInitStruct;
|
||
|
|
|
||
|
|
if ((addr + size) > STM32_FLASH_END_ADDRESS)
|
||
|
|
{
|
||
|
|
LOG_E("ERROR: erase outrange flash size! addr is (0x%p)\n", (void *)(addr + size));
|
||
|
|
return -RT_EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
HAL_FLASH_Unlock();
|
||
|
|
|
||
|
|
/* Fill EraseInit structure*/
|
||
|
|
EraseInitStruct.TypeErase = FLASH_TYPEERASE_PAGES;
|
||
|
|
EraseInitStruct.PageAddress = GetPage(addr);
|
||
|
|
EraseInitStruct.NbPages = (size + FLASH_PAGE_SIZE - 1) / FLASH_PAGE_SIZE;
|
||
|
|
EraseInitStruct.Banks = bank;
|
||
|
|
|
||
|
|
if (HAL_FLASHEx_Erase(&EraseInitStruct, &PAGEError) != HAL_OK)
|
||
|
|
{
|
||
|
|
result = -RT_ERROR;
|
||
|
|
goto __exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
__exit:
|
||
|
|
HAL_FLASH_Lock();
|
||
|
|
|
||
|
|
if (result != RT_EOK)
|
||
|
|
{
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
LOG_D("erase done: addr (0x%p), size %d", (void *)addr, size);
|
||
|
|
return size;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Erase data on flash .
|
||
|
|
* @note This operation is irreversible.
|
||
|
|
* @note This operation's units is different which on many chips.
|
||
|
|
*
|
||
|
|
* @param addr flash address
|
||
|
|
* @param size erase bytes size
|
||
|
|
*
|
||
|
|
* @return result
|
||
|
|
*/
|
||
|
|
int stm32_flash_erase(rt_uint32_t addr, size_t size)
|
||
|
|
{
|
||
|
|
#if defined(FLASH_BANK2_END)
|
||
|
|
rt_err_t result = RT_EOK;
|
||
|
|
rt_uint32_t addr_bank1 = 0;
|
||
|
|
rt_uint32_t size_bank1 = 0;
|
||
|
|
rt_uint32_t addr_bank2 = 0;
|
||
|
|
rt_uint32_t size_bank2 = 0;
|
||
|
|
|
||
|
|
if((addr + size) <= FLASH_BANK1_END)
|
||
|
|
{
|
||
|
|
addr_bank1 = addr;
|
||
|
|
size_bank1 = size;
|
||
|
|
size_bank2 = 0;
|
||
|
|
}
|
||
|
|
else if(addr > FLASH_BANK1_END)
|
||
|
|
{
|
||
|
|
size_bank1 = 0;
|
||
|
|
addr_bank2 = addr;
|
||
|
|
size_bank2 = size;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
addr_bank1 = addr;
|
||
|
|
size_bank1 = FLASH_BANK1_END + 1 - addr_bank1;
|
||
|
|
addr_bank2 = FLASH_BANK1_END + 1;
|
||
|
|
size_bank2 = addr + size - (FLASH_BANK1_END + 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(size_bank1)
|
||
|
|
{
|
||
|
|
LOG_D("bank1: addr (0x%p), size %d", (void *)addr_bank1, size_bank1);
|
||
|
|
if(size_bank1 != stm32_flash_erase_bank(FLASH_BANK_1, addr_bank1, size_bank1))
|
||
|
|
{
|
||
|
|
result = -RT_ERROR;
|
||
|
|
goto __exit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(size_bank2)
|
||
|
|
{
|
||
|
|
LOG_D("bank2: addr (0x%p), size %d", (void *)addr_bank2, size_bank2);
|
||
|
|
if(size_bank2 != stm32_flash_erase_bank(FLASH_BANK_2, addr_bank2, size_bank2))
|
||
|
|
{
|
||
|
|
result = -RT_ERROR;
|
||
|
|
goto __exit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
__exit:
|
||
|
|
if(result != RT_EOK)
|
||
|
|
{
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
return size_bank1 + size_bank2;
|
||
|
|
#else
|
||
|
|
return stm32_flash_erase_bank(FLASH_BANK_1, addr, size);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#if defined(RT_USING_FAL)
|
||
|
|
|
||
|
|
static int fal_flash_read(long offset, rt_uint8_t *buf, size_t size);
|
||
|
|
static int fal_flash_write(long offset, const rt_uint8_t *buf, size_t size);
|
||
|
|
static int fal_flash_erase(long offset, size_t size);
|
||
|
|
|
||
|
|
const struct fal_flash_dev stm32_onchip_flash = { "onchip_flash", STM32_FLASH_START_ADRESS, STM32_FLASH_SIZE, FLASH_PAGE_SIZE, {NULL, fal_flash_read, fal_flash_write, fal_flash_erase} };
|
||
|
|
|
||
|
|
static int fal_flash_read(long offset, rt_uint8_t *buf, size_t size)
|
||
|
|
{
|
||
|
|
return stm32_flash_read(stm32_onchip_flash.addr + offset, buf, size);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int fal_flash_write(long offset, const rt_uint8_t *buf, size_t size)
|
||
|
|
{
|
||
|
|
return stm32_flash_write(stm32_onchip_flash.addr + offset, buf, size);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int fal_flash_erase(long offset, size_t size)
|
||
|
|
{
|
||
|
|
return stm32_flash_erase(stm32_onchip_flash.addr + offset, size);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
#endif /* BSP_USING_ON_CHIP_FLASH */
|