428 lines
9.7 KiB
C
428 lines
9.7 KiB
C
/*
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* Copyright (c) 2006-2022, 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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* 2022-07-26 Rbb666 first version
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*/
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#include <rtthread.h>
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#include "drv_common.h"
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#ifdef BSP_USING_ON_CHIP_FLASH
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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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static cyhal_flash_t flash_obj;
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static cyhal_flash_block_info_t block_info;
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static cyhal_flash_info_t flash_info;
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int _flash_init(void)
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{
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cy_rslt_t err = CY_RSLT_SUCCESS;
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/* Init Flash */
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err = cyhal_flash_init(&flash_obj);
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/* Handle Error */
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if (CY_RSLT_SUCCESS != err)
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{
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LOG_E("\r\n Flash Init failed");
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}
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cyhal_flash_get_info(&flash_obj, &flash_info);
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block_info = flash_info.blocks[flash_info.block_count - 1u];
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return 0;
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}
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static rt_uint32_t get_page_32k(uint32_t addr)
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{
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rt_uint32_t page = 0;
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page = RT_ALIGN_DOWN(addr, IFX_EFLASH_PAGE_SIZE);
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return page;
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}
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/**
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* @brief gets the page of a given address
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* @param addr: address of the flash memory
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* @retval the page of a given address
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*/
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static rt_uint32_t get_page_256k(uint32_t addr)
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{
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rt_uint32_t page = 0;
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page = RT_ALIGN_DOWN(addr, IFX_FLASH_PAGE_SIZE);
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return page;
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}
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int ifx_flash_read_32k(rt_uint32_t addr, rt_uint8_t *buf, rt_uint32_t size)
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{
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rt_uint32_t i;
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if ((addr + size) > IFX_EFLASH_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 -RT_EINVAL;
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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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* @brief 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 ifx_flash_read_256k(rt_uint32_t addr, rt_uint8_t *buf, rt_uint32_t size)
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{
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rt_uint32_t i;
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if ((addr + size) > IFX_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 -RT_EINVAL;
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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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* @brief 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 ifx_flash_write(rt_uint32_t addr, const rt_uint8_t *buf, rt_uint32_t size)
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{
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rt_err_t result = RT_EOK;
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rt_base_t level;
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cy_rslt_t err = CY_RSLT_SUCCESS;
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size_t written_size = 0;
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#define BSP_FEATURE_FLASH_WRITE_SIZE 512U
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if (size % BSP_FEATURE_FLASH_WRITE_SIZE)
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{
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LOG_E("Flash Write size must be an integer multiple of %d", BSP_FEATURE_FLASH_WRITE_SIZE);
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return -RT_EINVAL;
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}
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while (written_size < size)
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{
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level = rt_hw_interrupt_disable();
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/* Write code flash data*/
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err = cyhal_flash_write(&flash_obj, addr + written_size, (rt_uint32_t *)(buf + written_size));
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rt_hw_interrupt_enable(level);
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/* Error Handle */
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if (CY_RSLT_SUCCESS != err)
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{
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LOG_E("Write API failed");
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return -RT_EIO;
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}
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written_size += BSP_FEATURE_FLASH_WRITE_SIZE;
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}
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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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int ifx_flash_erase_32k(rt_uint32_t addr, rt_uint32_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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rt_uint32_t page_addr = 0;
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rt_base_t level;
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level = rt_hw_interrupt_disable();
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if ((end_addr) > IFX_EFLASH_END_ADDRESS)
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{
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LOG_E("erase 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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while (addr < end_addr)
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{
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page_addr = get_page_32k(addr);
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if (cyhal_flash_erase(&flash_obj, page_addr) != CY_RSLT_SUCCESS)
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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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addr += IFX_FLASH_PAGE_SIZE;
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}
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rt_hw_interrupt_enable(level);
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__exit:
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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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* @brief 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 ifx_flash_erase_256k(rt_uint32_t addr, rt_uint32_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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rt_uint32_t page_addr = 0;
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rt_base_t level;
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level = rt_hw_interrupt_disable();
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if ((end_addr) > IFX_FLASH_END_ADDRESS)
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{
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LOG_E("erase 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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while (addr < end_addr)
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{
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page_addr = get_page_256k(addr);
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if (cyhal_flash_erase(&flash_obj, page_addr) != CY_RSLT_SUCCESS)
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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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addr += IFX_FLASH_PAGE_SIZE;
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}
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rt_hw_interrupt_enable(level);
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__exit:
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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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#if defined(RT_USING_FAL)
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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_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_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_256k(long offset, size_t size);
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const struct fal_flash_dev ifx_onchip_flash_32k =
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{
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"onchip_flash_32k",
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IFX_EFLASH_START_ADRESS,
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IFX_EFLASH_SIZE,
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IFX_EFLASH_PAGE_SIZE,
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{
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NULL,
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fal_flash_read_32k,
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fal_flash_write_32k,
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fal_flash_erase_32k
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}
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};
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const struct fal_flash_dev ifx_onchip_flash_256k =
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{
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"onchip_flash_256k",
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IFX_FLASH_START_ADRESS,
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IFX_FLASH_SIZE,
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IFX_FLASH_PAGE_SIZE,
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{
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_flash_init,
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fal_flash_read_256k,
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fal_flash_write_256k,
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fal_flash_erase_256k
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}
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};
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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 ifx_flash_read_32k(ifx_onchip_flash_32k.addr + offset, buf, size);
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}
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static int fal_flash_read_256k(long offset, rt_uint8_t *buf, size_t size)
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{
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return ifx_flash_read_256k(ifx_onchip_flash_256k.addr + offset, buf, size);
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}
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static int fal_flash_write_32k(long offset, const rt_uint8_t *buf, size_t size)
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{
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return ifx_flash_write(ifx_onchip_flash_32k.addr + offset, buf, size);
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}
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static int fal_flash_write_256k(long offset, const rt_uint8_t *buf, size_t size)
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{
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return ifx_flash_write(ifx_onchip_flash_256k.addr + offset, buf, size);
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}
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static int fal_flash_erase_32k(long offset, size_t size)
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{
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return ifx_flash_erase_32k(ifx_onchip_flash_32k.addr + offset, size);
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}
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static int fal_flash_erase_256k(long offset, size_t size)
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{
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return ifx_flash_erase_256k(ifx_onchip_flash_256k.addr + offset, size);
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}
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#if defined(BSP_USING_ON_CHIP_FLASH)
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static int rt_hw_on_chip_flash_init(void)
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{
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fal_init();
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return RT_EOK;
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}
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INIT_ENV_EXPORT(rt_hw_on_chip_flash_init);
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int flash64k_test(void)
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{
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#define TEST_OFF (ifx_onchip_flash_256k.len - 0x40000)
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const struct fal_partition *param;
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uint8_t write_buffer[512U] = {0};
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uint8_t read_buffer[512U] = {0};
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/* Set write buffer, clear read buffer */
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for (uint16_t index = 0; index < 512U; index++)
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{
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write_buffer[index] = index;
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read_buffer[index] = 0;
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}
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param = fal_partition_find("app");
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if (param == RT_NULL)
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{
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LOG_E("not find partition app!");
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return -1;
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}
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LOG_I("Erase Start...");
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fal_partition_erase(param, TEST_OFF, 0x40000);
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LOG_I("Erase succeeded!");
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LOG_I("Write Start...");
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fal_partition_write(param, TEST_OFF, write_buffer, sizeof(write_buffer));
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LOG_I("Write succeeded!");
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LOG_I("Read Start...");
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fal_partition_read(param, TEST_OFF, read_buffer, 128U);
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LOG_I("Read succeeded!");
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for (int i = 0; i < 128U; i++)
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{
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if (read_buffer[i] != write_buffer[i])
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{
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LOG_E("Data verification failed!");
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return -1;
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}
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}
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LOG_I("Data verification succeeded!");
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return 0;
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}
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MSH_CMD_EXPORT(flash64k_test, "drv flash64k test.");
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int flash32k_test(void)
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{
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#define TEST32_OFF (ifx_onchip_flash_32k.len - 0x8000)
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const struct fal_partition *param;
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uint8_t write_buffer[512U] = {0};
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uint8_t read_buffer[512U] = {0};
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/* Set write buffer, clear read buffer */
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for (uint16_t index = 0; index < 512U; index++)
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{
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write_buffer[index] = index;
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read_buffer[index] = 0;
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}
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param = fal_partition_find("param");
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if (param == RT_NULL)
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{
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LOG_E("not find partition param!");
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return -1;
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}
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LOG_I("Erase Start...");
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fal_partition_erase(param, TEST32_OFF, 0x8000);
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LOG_I("Erase succeeded!");
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LOG_I("Write Start...");
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fal_partition_write(param, TEST32_OFF, write_buffer, sizeof(write_buffer));
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LOG_I("Write succeeded!");
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LOG_I("Read Start...");
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fal_partition_read(param, TEST32_OFF, read_buffer, 128U);
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LOG_I("Read succeeded!");
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for (int i = 0; i < 128U; i++)
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{
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if (read_buffer[i] != write_buffer[i])
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{
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LOG_E("Data verification failed!");
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return -1;
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}
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}
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LOG_I("Data verification succeeded!");
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return 0;
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}
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MSH_CMD_EXPORT(flash32k_test, "drv flash32k test.");
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#endif
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#endif
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#endif /* BSP_USING_ON_CHIP_FLASH */
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