303 lines
12 KiB
C
303 lines
12 KiB
C
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/*
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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.h
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* Date: 2022-05-07 15:40:42
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* LastEditTime: 2022-05-07 15:40:42
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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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#ifndef DRIVERS_NAND_FNAND_H
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#define DRIVERS_NAND_FNAND_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include "ftypes.h"
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#include "fassert.h"
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#include "fnand_dma.h"
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#include "fnand_timing.h"
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#include "fparameters.h"
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#include "fkernel.h"
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#define FNAND_ERR_OPERATION FT_CODE_ERR(ErrModBsp, ErrNand, 0x1u)
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#define FNAND_ERR_INVAILD_PARAMETER FT_CODE_ERR(ErrModBsp, ErrNand, 0x2u)
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#define FNAND_IS_BUSY FT_CODE_ERR(ErrModBsp, ErrNand, 0x3u)
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#define FNAND_OP_TIMEOUT FT_CODE_ERR(ErrModBsp, ErrNand, 0x4u)
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#define FNAND_VALUE_ERROR FT_CODE_ERR(ErrModBsp, ErrNand, 0x7u)
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#define FNAND_VALUE_FAILURE FT_CODE_ERR(ErrModBsp, ErrNand, 0x8u)
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#define FNAND_NOT_FET_TOGGLE_MODE FT_CODE_ERR(ErrModBsp, ErrNand, 0xCu)
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#define FNAND_ERR_READ_ECC FT_CODE_ERR(ErrModBsp, ErrNand, 0xBu)
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#define FNAND_ERR_IRQ_LACK_OF_CALLBACK FT_CODE_ERR(ErrModBsp, ErrNand, 0xCu)
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#define FNAND_ERR_IRQ_OP_FAILED FT_CODE_ERR(ErrModBsp, ErrNand, 0xdu)
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#define FNAND_ERR_NOT_MATCH FT_CODE_ERR(ErrModBsp, ErrNand, 0xEu)
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#define FNAND_MAX_BLOCKS 32768 /* Max number of Blocks */
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#define FNAND_MAX_PAGE_SIZE 16384 /* Max page size of NAND \
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flash */
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#define FNAND_MAX_SPARE_SIZE 1024 /* Max spare bytes of a NAND \
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flash page */
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/* dma */
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#define FNAND_DMA_MAX_LENGTH (32*1024)
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/* options */
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/* These constants are used as option to FNandSetOption() */
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#define FNAND_OPS_INTER_MODE_SELECT 1U /* */
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/* These constants are used as parameters to FNandSetIsrHandler() */
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#define FNAND_WORK_MODE_POLL 0U
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#define FNAND_WORK_MODE_ISR 1U
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/* NAND Flash Interface */
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#define FNAND_ONFI_MODE 0U
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#define FNAND_TOGGLE_MODE 1U
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typedef enum
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{
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FNAND_ASYNC_TIM_INT_MODE0 = 0,
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FNAND_ASYNC_TIM_INT_MODE1,
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FNAND_ASYNC_TIM_INT_MODE2,
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FNAND_ASYNC_TIM_INT_MODE3,
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FNAND_ASYNC_TIM_INT_MODE4,
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} FNandAsyncTimint;
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typedef enum
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{
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FNAND_CMD_TYPE = 0, /* 采用cmd 类型的操作类型 */
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FNAND_WRITE_PAGE_TYPE, /* PAGE program 操作 */
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FNAND_READ_PAGE_TYPE, /* PAGE read 操作 */
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FNAND_WAIT_ECC_TYPE, /* Waiting ECC FINISH 操作 */
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FNAND_TYPE_NUM
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} FNandOperationType;
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/* Irq Callback events */
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typedef enum
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{
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FNAND_IRQ_BUSY_EVENT = 0,/* nandflash控制器忙状态中断状态位 */
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FNAND_IRQ_DMA_BUSY_EVENT, /* dma控制器忙状态中断状态位 */
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FNAND_IRQ_DMA_PGFINISH_EVENT, /* dma页操作完成中断状态位 */
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FNAND_IRQ_DMA_FINISH_EVENT, /* dma操作完成中断完成中断状态位 */
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FNAND_IRQ_FIFO_EMP_EVENT, /* fifo为空中断状态位 */
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FNAND_IRQ_FIFO_FULL_EVENT, /* fifo为满中断状态位 */
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FNAND_IRQ_FIFO_TIMEOUT_EVENT, /* fifo超时中断状态位 */
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FNAND_IRQ_CMD_FINISH_EVENT, /* nand接口命令完成中断状态位 */
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FNAND_IRQ_PGFINISH_EVENT, /* nand接口页操作完成中断状态位 */
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FNAND_IRQ_RE_EVENT, /* re_n门控打开中断状态位 */
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FNAND_IRQ_DQS_EVENT, /* dqs门控打开中断状态位 */
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FNAND_IRQ_RB_EVENT, /* rb_n信号busy中断状态位 */
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FNAND_IRQ_ECC_FINISH_EVENT, /* ecc完成中断状态蔽位 */
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FNAND_IRQ_ECC_ERR_EVENT /* ecc正确中断状态蔽位 */
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} FNAND_CALL_BACK_EVENT;
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typedef struct
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{
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u32 bytes_per_page; /* Bytes per page */
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u32 spare_bytes_per_page; /* Size of spare area in bytes */
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u32 pages_per_block; /* Pages per block */
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u32 blocks_per_lun; /* Bocks per LUN */
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u8 num_lun; /* Total number of LUN */
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u8 flash_width; /* Data width of flash device */
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u64 num_pages; /* Total number of pages in device */
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u64 num_blocks; /* Total number of blocks in device */
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u64 block_size; /* Size of a block in bytes */
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u64 device_size; /* Total device size in bytes */
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u8 rowaddr_cycles; /* Row address cycles */
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u8 coladdr_cycles; /* Column address cycles */
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u32 hw_ecc_steps; /* number of ECC steps per page */
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u32 hw_ecc_length; /* 产生硬件ecc校验参数的个数 */
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u32 ecc_offset; /* spare_bytes_per_page - hw_ecc_length = obb存放硬件ecc校验参数页位置的偏移 */
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u32 ecc_step_size; /* 进行读写操作时，单次ecc 的步骤的跨度 */
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} FNandNandGeometry;
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typedef enum
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{
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FNAND_ASYN_SDR = 0, /* ONFI & Toggle async */
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FNAND_ONFI_DDR = 1, /* ONFI sync */
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FNAND_TOG_ASYN_DDR = 2 /* Toggle async */
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} FNandInterMode;
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typedef enum
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{
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FNAND_TIMING_MODE0 = 0,
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FNAND_TIMING_MODE1 = 1,
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FNAND_TIMING_MODE2 = 2,
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FNAND_TIMING_MODE3 = 3,
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FNAND_TIMING_MODE4 = 4,
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FNAND_TIMING_MODE5 = 5,
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} FNandTimingMode;
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typedef struct
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{
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u32 instance_id; /* Id of device*/
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u32 irq_num; /* Irq number */
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volatile uintptr_t base_address;
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u32 ecc_strength; /* 每次ecc 步骤纠正的位数 */
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u32 ecc_step_size; /* 进行读写操作时，单次ecc 的步骤的跨度 */
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} FNandConfig;
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/**
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* Bad block pattern
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*/
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typedef struct
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{
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u32 options; /**< Options to search the bad block pattern */
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u32 offset; /**< Offset to search for specified pattern */
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u32 length; /**< Number of bytes to check the pattern */
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u8 pattern[2]; /**< Pattern format to search for */
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} FNandBadBlockPattern;
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typedef struct
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{
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u32 page_addr;
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u8 *page_buf; /* page 数据缓存空间 */
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u32 page_offset; /* 从offset开始拷贝页数据 */
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u32 page_length; /* 从offset开始拷贝页数据的长度 */
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s32 obb_required; /* obb 是否读取的标志位,1 需要操作oob 区域 */
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u8 *oob_buf; /* obb 数据缓存空间 */
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u32 oob_offset; /* 从offset开始拷贝页数据 */
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u32 oob_length; /* 从offset开始拷贝页数据的长度 */
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u32 chip_addr; /* 芯片地址 */
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} FNandOpData;
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/**
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* Bad block table descriptor
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*/
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typedef struct
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{
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u32 page_offset; /* Page offset where BBT resides */
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u32 sig_offset; /* Signature offset in Spare area */
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u32 ver_offset; /* Offset of BBT version */
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u32 sig_length; /* Length of the signature */
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u32 max_blocks; /* Max blocks to search for BBT */
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char signature[4]; /* BBT signature */
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u8 version; /* BBT version */
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u32 valid; /* BBT descriptor is valid or not */
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} FNandBbtDesc;
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typedef struct
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{
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u8 bbt[FNAND_MAX_BLOCKS >> 2];
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FNandBbtDesc bbt_desc; /* Bad block table descriptor */
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FNandBbtDesc bbt_mirror_desc; /* Mirror BBT descriptor */
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FNandBadBlockPattern bb_pattern; /* Bad block pattern to search */
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} FNandBadBlockManager;
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/* DMA */
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/* DMA buffer */
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struct FNandDmaBuffer
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{
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u8 data_buffer[FNAND_DMA_MAX_LENGTH];
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} __attribute__((packed)) __attribute__((aligned(128)));
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/* operation api */
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typedef struct _FNand FNand;
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typedef FError(*FNandTransferP)(FNand *instance_p, FNandOpData *op_data_p);
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typedef FError(*FNandEraseP)(FNand *instance_p, u32 page_address, u32 chip_addr);
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typedef void (*FnandIrqEventHandler)(void *args, FNAND_CALL_BACK_EVENT event) ;
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typedef FError(*FNandOperationWaitIrqCallback)(void *args);
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typedef struct
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{
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u8 data[8];
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u32 len;
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} FNandId;
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typedef struct _FNand
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{
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u32 is_ready; /* Device is ininitialized and ready*/
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FNandConfig config;
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u32 work_mode; /* NAND controler work mode */
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/* nand flash info */
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FNandInterMode inter_mode[FNAND_CONNECT_MAX_NUM]; /* NAND controler timing work mode */
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FNandTimingMode timing_mode[FNAND_CONNECT_MAX_NUM];
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u32 nand_flash_interface[FNAND_CONNECT_MAX_NUM] ; /* Nand Flash Interface , followed by FNAND_ONFI_MODE \ FNAND_TOGGLE_MODE*/
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struct FNandDmaBuffer dma_data_buffer; /* DMA data buffer */
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struct FNandDmaBuffer descriptor_buffer; /* DMA descriptor */
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struct FNandSdrTimings sdr_timing; /* SDR NAND chip timings */
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/* bbm */
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FNandBadBlockManager bbt_manager[FNAND_CONNECT_MAX_NUM]; /* bad block manager handler */
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/* nand detect */
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FNandNandGeometry nand_geometry[FNAND_CONNECT_MAX_NUM]; /* nand flash infomation */
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/* dma 页操作 */
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FnandIrqEventHandler irq_event_fun_p; /* Interrupt event response function */
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void *irq_args;
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FNandOperationWaitIrqCallback wait_irq_fun_p; /* The NAND controller operates the wait function */
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void *wait_args;
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/* operations */
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FNandTransferP write_p ; /* Write page function */
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FNandTransferP read_p ; /* Read page function */
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FNandTransferP write_oob_p ; /* Write page spare space function */
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FNandTransferP read_oob_p ; /* Read page spare space function */
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FNandTransferP write_hw_ecc_p ; /* Write page with hardware function */
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FNandTransferP read_hw_ecc_p ; /* Read page with hardware function */
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FNandEraseP erase_p; /* Erase block function */
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} FNand;
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FNandConfig *FNandLookupConfig(u32 instance_id);
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FError FNandCfgInitialize(FNand *instance_p,
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FNandConfig *config_p);
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FError FNandScan(FNand *instance_p);
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FError FNandSetOption(FNand *instance_p, u32 options, u32 value);
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/* API */
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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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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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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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FError FNandEraseBlock(FNand *instance_p, u32 block, u32 chip_addr);
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FError FNandReadPageOOb(FNand *instance_p, u32 page_addr, u8 *oob_buffer, u32 oob_copy_offset, u32 oob_length, u32 chip_addr);
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FError FNandWritePageOOb(FNand *instance_p, u32 page_addr, u8 *oob_buffer, u32 page_copy_offset, u32 oob_length, u32 chip_addr);
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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);
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/* irq */
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void FNandSetIsrHandler(FNand *instance_p, FnandIrqEventHandler event_p, void *irq_args);
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void FNandIrqHandler(s32 vector, void *param);
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void FNandOperationWaitIrqRegister(FNand *instance_p, FNandOperationWaitIrqCallback wait_irq_fun_p, void *wait_args);
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void FNandIrqDisable(FNand *instance_p, u32 int_mask);
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void FNandIsrEnable(FNand *instance_p, u32 int_mask);
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/* bbm */
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void FNandInitBbtDesc(FNand *instance_p);
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FError FNandScanBbt(FNand *instance_p, u32 target_addr);
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FError FNandIsBlockBad(FNand *instance_p, u32 block, u32 target_addr);
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FError FNandMarkBlockBad(FNand *instance_p, u32 block, u32 chip_addr);
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#ifdef __cplusplus
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}
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#endif
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#endif // !
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