568 lines
22 KiB
C
568 lines
22 KiB
C
/*
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* Copyright : (C) 2022 Phytium Information Technology, Inc.
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* All Rights Reserved.
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*
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* This program is OPEN SOURCE software: you can redistribute it and/or modify it
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* under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
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* either version 1.0 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the Phytium Public License for more details.
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*
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*
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* FilePath: fnand.c
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* Date: 2022-05-10 14:53:42
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* LastEditTime: 2022-05-10 08:56:27
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* Description: This files is for
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*
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* Modify History:
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* Ver Who Date Changes
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* ----- ------ -------- --------------------------------------
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*/
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#include "fnand.h"
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#include "fnand_hw.h"
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#include <stdio.h>
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#include <string.h>
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#include "fnand_id.h"
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#include "fnand_common_cmd.h"
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#include "fdebug.h"
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#define FNAND_DEBUG_TAG "FNAND"
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#define FNAND_DEBUG_I(format, ...) FT_DEBUG_PRINT_I(FNAND_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FNAND_DEBUG_W(format, ...) FT_DEBUG_PRINT_W(FNAND_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FNAND_DEBUG_E(format, ...) FT_DEBUG_PRINT_E(FNAND_DEBUG_TAG, format, ##__VA_ARGS__)
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extern void FNandHwInit(uintptr_t base_address, FNandInterMode inter_mode);
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extern void FNandHwReset(uintptr_t base_address);
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extern void FNandEnable(uintptr_t base_address);
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extern FError FNandToggleInit(FNand *instance_p, u32 chip_addr);
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extern FError FNandOnfiInit(FNand *instance_p, u32 chip_addr);
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extern FError FNandTimingInterfaceUpdate(FNand *instance_p, u32 chip_addr);
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extern void FNandIsrEnable(FNand *instance_p, u32 int_mask);
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/**
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* @name: FNandScan
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* @msg: Nand scanning
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* @note:
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* @param {FNand} *instance_p is the pointer to the FNand instance.
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* @return {FT_SUCCESS} Scan nand is ok
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*/
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FError FNandScan(FNand *instance_p)
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{
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FASSERT(instance_p != NULL);
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FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
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return FNandDetect(instance_p);
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}
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u32 FNandCheckBusy(FNand *instance_p)
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{
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FASSERT(instance_p != NULL);
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FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
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FNandConfig *config_p;
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config_p = &instance_p->config;
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return FNAND_READREG(config_p->base_address, FNAND_STATE_OFFSET) & FNAND_STATE_BUSY_OFFSET;
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}
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FError FNandSendCmd(FNand *instance_p, struct FNandDmaDescriptor *descriptor_p, FNandOperationType isr_type)
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{
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FNandConfig *config_p;
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u32 timeout_cnt = 0;
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FASSERT(instance_p != NULL);
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FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
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FASSERT(isr_type < FNAND_TYPE_NUM);
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config_p = &instance_p->config;
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FNandHwReset(config_p->base_address);
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if (0 != FNandCheckBusy(instance_p))
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{
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FNAND_DEBUG_E("Nand is busy");
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return FNAND_IS_BUSY;
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}
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/* write dma addr to register */
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FNAND_WRITEREG(config_p->base_address, FNAND_MADDR0_OFFSET, ((uintptr)descriptor_p) & FNAND_MADDR0_DT_LOW_ADDR_MASK);
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#ifdef __aarch64__
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/* 将高位地址填入寄存器 */
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FNAND_CLEARBIT(config_p->base_address, FNAND_MADDR1_OFFSET, FNAND_MADDR1_DT_HIGH_8BITADDR_MASK);
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FNAND_SETBIT(config_p->base_address, FNAND_MADDR1_OFFSET, ((uintptr)descriptor_p >> 32) & FNAND_MADDR1_DT_HIGH_8BITADDR_MASK);
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#else
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FNAND_CLEARBIT(config_p->base_address, FNAND_MADDR1_OFFSET, FNAND_MADDR1_DT_HIGH_8BITADDR_MASK);
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#endif
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/* 中断模式操作 */
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if (instance_p->work_mode == FNAND_WORK_MODE_ISR)
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{
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if (isr_type == FNAND_CMD_TYPE)
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{
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FNandIsrEnable(instance_p, FNAND_INTRMASK_CMD_FINISH_MASK);
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}
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else if (isr_type == FNAND_WRITE_PAGE_TYPE)
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{
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FNandIsrEnable(instance_p, FNAND_INTRMASK_PGFINISH_MASK);
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}
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else if (isr_type == FNAND_READ_PAGE_TYPE)
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{
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FNandIsrEnable(instance_p, FNAND_INTRMASK_DMA_PGFINISH_MASK);
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}
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else if (isr_type == FNAND_WAIT_ECC_TYPE)
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{
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FNandIsrEnable(instance_p, FNAND_INTRMASK_ECC_FINISH_MASK);
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}
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}
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FNAND_SETBIT(config_p->base_address, FNAND_MADDR1_OFFSET, FNAND_MADDR1_DMA_EN_MASK);
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if (instance_p->work_mode == FNAND_WORK_MODE_ISR && (instance_p->wait_irq_fun_p != NULL))
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{
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if (instance_p->wait_irq_fun_p)
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{
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if (instance_p->wait_irq_fun_p(instance_p->wait_args) != FT_SUCCESS)
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{
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FNAND_DEBUG_E("wait_irq_fun_p is failed");
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return FNAND_ERR_IRQ_OP_FAILED;
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}
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}
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else
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{
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FNAND_DEBUG_E("The lack of wait_irq_fun_p");
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FNAND_WRITEREG(config_p->base_address, FNAND_INTRMASK_OFFSET, FNAND_INTRMASK_ALL_INT_MASK);
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return FNAND_ERR_IRQ_LACK_OF_CALLBACK;
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}
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return FT_SUCCESS ;
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}
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else
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{
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if (isr_type == FNAND_CMD_TYPE)
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{
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while (0 == (FNAND_READREG(config_p->base_address, FNAND_STATE_OFFSET) & FNAND_STATE_CMD_PGFINISH_OFFSET))
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{
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if (timeout_cnt++ >= 0xffffff)
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{
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FNAND_DEBUG_E("FNAND_CMD_TYPE is send timeout");
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return FNAND_OP_TIMEOUT;
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}
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}
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}
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else if (isr_type == FNAND_WRITE_PAGE_TYPE)
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{
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while (0 == (FNAND_READREG(config_p->base_address, FNAND_STATE_OFFSET) & FNAND_STATE_PG_PGFINISH_OFFSET))
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{
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if (timeout_cnt++ >= 0xffffff)
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{
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FNAND_DEBUG_E("FNAND_CMD_TYPE is send timeout");
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return FNAND_OP_TIMEOUT;
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}
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}
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}
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else if (isr_type == FNAND_READ_PAGE_TYPE)
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{
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while (0 == (FNAND_READREG(config_p->base_address, FNAND_STATE_OFFSET) & FNAND_STATE_DMA_PGFINISH_OFFSET))
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{
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if (timeout_cnt++ >= 0xffffff)
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{
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FNAND_DEBUG_E("FNAND_CMD_TYPE is send timeout");
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return FNAND_OP_TIMEOUT;
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}
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}
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}
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else if (isr_type == FNAND_WAIT_ECC_TYPE)
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{
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while (0 == (FNAND_READREG(config_p->base_address, FNAND_STATE_OFFSET) & FNAND_STATE_ECC_FINISH_OFFSET))
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{
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if (timeout_cnt++ >= 0xffffff)
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{
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FNAND_DEBUG_E("FNAND_CMD_TYPE is send timeout");
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return FNAND_OP_TIMEOUT;
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}
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}
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}
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}
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return FT_SUCCESS;
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}
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/**
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* @name: FNandOperationWaitIrqRegister
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* @msg: When nand is sent in interrupt mode, the action that waits while the operation completes
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* @note:
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* @param {FNand} *instance_p is the pointer to the FNand instance.
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* @param {FNandOperationWaitIrqCallback} wait_irq_fun_p , When the user adds this function, return FT_SUCCESS reports success, otherwise failure
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* @param {void} *wait_args
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* @return {*}
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*/
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void FNandOperationWaitIrqRegister(FNand *instance_p, FNandOperationWaitIrqCallback wait_irq_fun_p, void *wait_args)
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{
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FASSERT(instance_p != NULL);
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FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
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instance_p->wait_irq_fun_p = wait_irq_fun_p;
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instance_p->wait_args = wait_args;
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}
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/**
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* @name: FNandCfgInitialize
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* @msg: Initialize the NAND controller
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* @param {FNand} *instance_p is the pointer to the FNand instance.
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* @param {FNandConfig} * points to the FNand device configuration structure.
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* @return {FError} FT_SUCCESS if successful
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* @note:
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*/
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FError FNandCfgInitialize(FNand *instance_p,
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FNandConfig *config_p)
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{
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u32 i;
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FError ret;
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/* Assert arguments */
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FASSERT(instance_p != NULL);
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FASSERT(config_p != NULL);
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/* Clear instance memory and make copy of configuration */
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memset(instance_p, 0, sizeof(FNand));
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instance_p->config = *config_p;
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instance_p->is_ready = FT_COMPONENT_IS_READY;
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/* lsd config */
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FNAND_CLEARBIT(FLSD_CONFIG_BASE, 0xc0, 1);
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instance_p->work_mode = FNAND_WORK_MODE_ISR ; /* 默认采用中断模式 */
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for (i = 0; i < FNAND_CONNECT_MAX_NUM; i++)
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{
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instance_p->inter_mode[i] = FNAND_ASYN_SDR; /* 初始化阶段以异步模式启动 */
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instance_p->timing_mode[i] = FNAND_TIMING_MODE0 ;
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/* 初始化时序配置 */
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ret = FNandTimingInterfaceUpdate(instance_p, i);
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if (ret != FT_SUCCESS)
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{
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FNAND_DEBUG_E("%s, FNandTimingInterfaceUpdate is error", __func__);
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return ret;
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}
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}
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FNandHwInit(instance_p->config.base_address, instance_p->inter_mode[0]);
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FNandHwReset(instance_p->config.base_address);
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/* init ecc strength */
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FNAND_CLEARBIT(instance_p->config.base_address, FNAND_CTRL0_OFFSET, FNAND_CTRL0_ECC_CORRECT_MAKE(7UL)); /* clear all ecc_correct */
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if (instance_p->config.ecc_strength == 0x8)
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{
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FNAND_SETBIT(instance_p->config.base_address, FNAND_CTRL0_OFFSET, FNAND_CTRL0_ECC_CORRECT_MAKE(7UL));
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}
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else if (instance_p->config.ecc_strength == 0x4)
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{
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FNAND_SETBIT(instance_p->config.base_address, FNAND_CTRL0_OFFSET, FNAND_CTRL0_ECC_CORRECT_MAKE(3UL));
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}
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else if (instance_p->config.ecc_strength == 0x2)
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{
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FNAND_SETBIT(instance_p->config.base_address, FNAND_CTRL0_OFFSET, FNAND_CTRL0_ECC_CORRECT_MAKE(1UL));
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}
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else
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{
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FNAND_SETBIT(instance_p->config.base_address, FNAND_CTRL0_OFFSET, FNAND_CTRL0_ECC_CORRECT_MAKE(0UL));
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}
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FNandEnable(instance_p->config.base_address);
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/* init bbm */
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FNandInitBbtDesc(instance_p);
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return (FT_SUCCESS);
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}
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/**
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* @name: FNandWritePage
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* @msg: Write operations one page at a time, including writing page data and spare data
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* @note:
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* @param {FNand} *instance_p is the pointer to the FNand instance.
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* @param {u32} page_addr is the address to which the page needs to be written
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* @param {u8} *buffer is page writes a pointer to the buffer
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* @param {u32} page_copy_offset is the offset of the page writing , Buffer write data to 0 + page_copy_offset
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* @param {u32} length is page data write length
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* @param {u8} *oob_buffer is the data buffer pointer needs to be written to the spare space
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* @param {u32} oob_copy_offset is the offset of the spare space writing , Buffer write data to page length + oob_copy_offset
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* @param {u32} oob_length is the length to be written to the spare space
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* @param {u32} chip_addr chip address
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* @return {FError} FT_SUCCESS ,write page is successful
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*/
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FError FNandWritePage(FNand *instance_p, u32 page_addr, u8 *buffer, u32 page_copy_offset, u32 length, u8 *oob_buffer, u32 oob_copy_offset, u32 oob_length, u32 chip_addr)
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{
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FASSERT(instance_p != NULL);
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FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
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FASSERT(chip_addr < FNAND_CONNECT_MAX_NUM);
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FASSERT(instance_p->write_hw_ecc_p);
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FNandOpData op_data =
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{
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.page_addr = page_addr,
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.page_buf = NULL, /* page 数据缓存空间 */
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.page_offset = 0, /* 从offset开始拷贝页数据 */
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.page_length = 0, /* 从offset开始拷贝页数据的长度 */
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.obb_required = 0, /* obb 是否读取的标志位,1 需要操作oob 区域 */
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.oob_buf = NULL, /* obb 数据缓存空间 */
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.oob_offset = 0, /* 从offset开始拷贝页数据 */
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.oob_length = 0, /* 从offset开始拷贝页数据的长度 */
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.chip_addr = chip_addr, /* 芯片地址 */
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};
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if (buffer && (length > 0))
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{
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op_data.page_buf = buffer;
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op_data.page_length = length;
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op_data.page_offset = page_copy_offset;
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}
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if (oob_buffer && (oob_length > 0))
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{
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op_data.obb_required = 1;
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op_data.oob_buf = oob_buffer;
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op_data.oob_length = oob_length;
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op_data.oob_offset = oob_copy_offset;
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}
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return instance_p->write_hw_ecc_p(instance_p, &op_data);
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}
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/**
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* @name: FNandWritePage
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* @msg: Write operations one page at a time, including writing page data and spare data ,without hw ecc
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* @note:
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* @param {FNand} *instance_p is the pointer to the FNand instance.
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* @param {u32} page_addr is the address to which the page needs to be written
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* @param {u8} *buffer is page writes a pointer to the buffer
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* @param {u32} page_copy_offset is the offset of the page writing , Buffer write data to 0 + page_copy_offset
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* @param {u32} length is page data write length
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* @param {u8} *oob_buffer is the data buffer pointer needs to be written to the spare space
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* @param {u32} oob_copy_offset is the offset of the spare space writing , Buffer write data to page length + oob_copy_offset
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* @param {u32} oob_length is the length to be written to the spare space
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* @param {u32} chip_addr chip address
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* @return {FError} FT_SUCCESS ,write page is successful
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*/
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FError FNandWritePageRaw(FNand *instance_p, u32 page_addr, u8 *buffer, u32 page_copy_offset, u32 length, u8 *oob_buffer, u32 oob_copy_offset, u32 oob_length, u32 chip_addr)
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{
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FASSERT(instance_p != NULL);
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FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
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FASSERT(chip_addr < FNAND_CONNECT_MAX_NUM);
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FASSERT(instance_p->write_hw_ecc_p);
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FNandOpData op_data =
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{
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.page_addr = page_addr,
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.page_buf = NULL, /* page 数据缓存空间 */
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.page_offset = 0, /* 从offset开始拷贝页数据 */
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.page_length = 0, /* 从offset开始拷贝页数据的长度 */
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.obb_required = 0, /* obb 是否读取的标志位,1 需要操作oob 区域 */
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.oob_buf = NULL, /* obb 数据缓存空间 */
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.oob_offset = 0, /* 从offset开始拷贝页数据 */
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.oob_length = 0, /* 从offset开始拷贝页数据的长度 */
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.chip_addr = chip_addr, /* 芯片地址 */
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};
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if (buffer && (length > 0))
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{
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op_data.page_buf = buffer;
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op_data.page_length = length;
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op_data.page_offset = page_copy_offset;
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}
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if (oob_buffer && (oob_length > 0))
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{
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op_data.obb_required = 1;
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op_data.oob_buf = oob_buffer;
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op_data.oob_length = oob_length;
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op_data.oob_offset = oob_copy_offset;
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}
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return instance_p->write_p(instance_p, &op_data);
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}
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/**
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* @name: FNandReadPage
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* @msg: Read operations one page at a time, including reading page data and spare space data
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* @note:
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* @param {FNand} *instance_p is the pointer to the FNand instance.
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* @param {u32} page_addr is the address to which the page needs to be readed
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* @param {u8} *buffer is the buffer used by the user to read page data
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* @param {u32} page_copy_offset is the offset of the page reading , Buffer read data from 0 + page_copy_offset of per page
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* @param {u32} length is page data read length
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* @param {u8} *oob_buffer is buffer that read data from the spare space
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* @param {u32} oob_copy_offset is the offset of the spare space reading , Buffer reads data from page length + oob_copy_offset
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* @param {u32} oob_length is the length to be written to the spare space
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* @param {u32} chip_addr chip address
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* @return {FError} FT_SUCCESS is read successful
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*/
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FError FNandReadPage(FNand *instance_p, u32 page_addr, u8 *buffer, u32 page_copy_offset, u32 length, u8 *oob_buffer, u32 oob_copy_offset, u32 oob_length, u32 chip_addr)
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{
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FASSERT(instance_p != NULL);
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FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
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FASSERT(chip_addr < FNAND_CONNECT_MAX_NUM);
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FASSERT(instance_p->read_hw_ecc_p);
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FNandOpData op_data =
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{
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.page_addr = page_addr,
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.page_buf = NULL, /* page 数据缓存空间 */
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.page_offset = 0, /* 从offset开始拷贝页数据 */
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.page_length = 0, /* 从offset开始拷贝页数据的长度 */
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.obb_required = 0, /* obb 是否读取的标志位,1 需要操作oob 区域 */
|
||
.oob_buf = NULL, /* obb 数据缓存空间 */
|
||
.oob_offset = 0, /* 从offset开始拷贝页数据 */
|
||
.oob_length = 0, /* 从offset开始拷贝页数据的长度 */
|
||
.chip_addr = chip_addr, /* 芯片地址 */
|
||
};
|
||
|
||
/* clear buffer */
|
||
if (buffer && (length > 0))
|
||
{
|
||
op_data.page_buf = buffer;
|
||
op_data.page_length = length;
|
||
op_data.page_offset = page_copy_offset;
|
||
}
|
||
|
||
if (oob_buffer && (oob_length > 0))
|
||
{
|
||
op_data.obb_required = 1;
|
||
op_data.oob_buf = oob_buffer;
|
||
op_data.oob_length = oob_length;
|
||
op_data.oob_offset = oob_copy_offset;
|
||
}
|
||
|
||
return instance_p->read_hw_ecc_p(instance_p, &op_data);
|
||
}
|
||
|
||
FError FNandReadPageRaw(FNand *instance_p, u32 page_addr, u8 *buffer, u32 page_copy_offset, u32 length, u8 *oob_buffer, u32 oob_copy_offset, u32 oob_length, u32 chip_addr)
|
||
{
|
||
FASSERT(instance_p != NULL);
|
||
FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
|
||
FASSERT(chip_addr < FNAND_CONNECT_MAX_NUM);
|
||
FASSERT(instance_p->read_hw_ecc_p);
|
||
|
||
FNandOpData op_data =
|
||
{
|
||
.page_addr = page_addr,
|
||
.page_buf = NULL, /* page 数据缓存空间 */
|
||
.page_offset = 0, /* 从offset开始拷贝页数据 */
|
||
.page_length = 0, /* 从offset开始拷贝页数据的长度 */
|
||
.obb_required = 0, /* obb 是否读取的标志位,1 需要操作oob 区域 */
|
||
.oob_buf = NULL, /* obb 数据缓存空间 */
|
||
.oob_offset = 0, /* 从offset开始拷贝页数据 */
|
||
.oob_length = 0, /* 从offset开始拷贝页数据的长度 */
|
||
.chip_addr = chip_addr, /* 芯片地址 */
|
||
};
|
||
|
||
/* clear buffer */
|
||
if (buffer && (length > 0))
|
||
{
|
||
op_data.page_buf = buffer;
|
||
op_data.page_length = length;
|
||
op_data.page_offset = page_copy_offset;
|
||
}
|
||
|
||
if (oob_buffer && (oob_length > 0))
|
||
{
|
||
op_data.obb_required = 1;
|
||
op_data.oob_buf = oob_buffer;
|
||
op_data.oob_length = oob_length;
|
||
op_data.oob_offset = oob_copy_offset;
|
||
}
|
||
|
||
return instance_p->read_p(instance_p, &op_data);
|
||
}
|
||
|
||
/**
|
||
* @name: FNandEraseBlock
|
||
* @msg: erase block data
|
||
* @note: 擦除之后增加read status 命令进行检查。（70h）
|
||
* @param {FNand} *instance_p is the pointer to the FNand instance.
|
||
* @param {u32} block is block number
|
||
* @param {u32} chip_addr is chip address
|
||
* @return {FError} FT_SUCCESS is erase is successful
|
||
*/
|
||
FError FNandEraseBlock(FNand *instance_p, u32 block, u32 chip_addr)
|
||
{
|
||
u32 page_address;
|
||
FASSERT(instance_p != NULL);
|
||
FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
|
||
FASSERT(chip_addr < FNAND_CONNECT_MAX_NUM);
|
||
page_address = block * instance_p->nand_geometry[chip_addr].pages_per_block;
|
||
return instance_p->erase_p(instance_p, page_address, chip_addr);
|
||
}
|
||
|
||
|
||
|
||
/**
|
||
* @name: FNandReadPageOOb
|
||
* @msg: Read spare space fo per page
|
||
* @note:
|
||
* @param {FNand} *instance_p is the instance pointer
|
||
* @param {u32} page_addr is the Row Address of the spare space needs to be read
|
||
* @param {u8} *oob_buffer is the buffer used by the user to read spare space data
|
||
* @param {u32} oob_copy_offset is the offset of the spare space reading , Buffer reads data from page length + page_copy_offset
|
||
* @param {u32} oob_length is the length of data retrieved from spare space
|
||
* @param {u32} chip_addr is chip address
|
||
* @return {FError} FT_SUCCESS is read successful
|
||
*/
|
||
FError FNandReadPageOOb(FNand *instance_p, u32 page_addr, u8 *oob_buffer, u32 oob_copy_offset, u32 oob_length, u32 chip_addr)
|
||
{
|
||
FASSERT(instance_p != NULL);
|
||
FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
|
||
FASSERT(chip_addr < FNAND_CONNECT_MAX_NUM);
|
||
|
||
FNandOpData op_data =
|
||
{
|
||
.page_addr = page_addr,
|
||
.page_buf = NULL, /* page 数据缓存空间 */
|
||
.page_offset = 0, /* 从offset开始拷贝页数据 */
|
||
.page_length = 0, /* 从offset开始拷贝页数据的长度 */
|
||
.obb_required = 1, /* obb 是否读取的标志位,1 需要操作oob 区域 */
|
||
.oob_buf = oob_buffer, /* obb 数据缓存空间 */
|
||
.oob_offset = oob_copy_offset, /* 从offset开始拷贝页数据 */
|
||
.oob_length = oob_length, /* 从offset开始拷贝页数据的长度 */
|
||
.chip_addr = chip_addr, /* 芯片地址 */
|
||
};
|
||
|
||
return instance_p->read_oob_p(instance_p, &op_data);
|
||
}
|
||
|
||
/**
|
||
* @name: FNandWritePageOOb
|
||
* @msg: write data to the spare space
|
||
* @note:
|
||
* @param {FNand} *instance_p is the instance pointer
|
||
* @param {u32} page_addr is the Row Address of the spare space needs to be write
|
||
* @param {u8} *oob_buffer is buffer that writes data to the spare space
|
||
* @param {u32} page_copy_offset is the offset of the spare space writing , Buffer write data to page length + page_copy_offset
|
||
* @param {u32} oob_length is the length to be written to the spare space
|
||
* @param {u32} chip_addr is chip address
|
||
* @return {FError} FT_SUCCESS is write successful
|
||
*/
|
||
FError FNandWritePageOOb(FNand *instance_p, u32 page_addr, u8 *oob_buffer, u32 page_copy_offset, u32 oob_length, u32 chip_addr)
|
||
{
|
||
FASSERT(instance_p != NULL);
|
||
FASSERT(instance_p->is_ready == FT_COMPONENT_IS_READY);
|
||
FASSERT(chip_addr < FNAND_CONNECT_MAX_NUM);
|
||
|
||
FNandOpData op_data =
|
||
{
|
||
.page_addr = page_addr,
|
||
.page_buf = NULL, /* page 数据缓存空间 */
|
||
.page_offset = 0, /* 从offset开始拷贝页数据 */
|
||
.page_length = 0, /* 从offset开始拷贝页数据的长度 */
|
||
.obb_required = 1, /* obb 是否读取的标志位,1 需要操作oob 区域 */
|
||
.oob_buf = oob_buffer, /* obb 数据缓存空间 */
|
||
.oob_offset = page_copy_offset, /* 从offset开始拷贝页数据 */
|
||
.oob_length = oob_length, /* 从offset开始拷贝页数据的长度 */
|
||
.chip_addr = chip_addr, /* 芯片地址 */
|
||
};
|
||
|
||
return instance_p->write_oob_p(instance_p, &op_data);
|
||
}
|