Initial revision
This commit is contained in:
wdenk
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/*
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* u-boot/include/linux/mtd/nand.h
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*
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* Copyright (c) 2000 David Woodhouse <dwmw2@mvhi.com>
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* Steven J. Hill <sjhill@cotw.com>
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*
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* $Id: nand.h,v 1.8 2000/10/30 17:16:17 sjhill Exp $
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Info:
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* Contains standard defines and IDs for NAND flash devices
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*
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* Changelog:
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* 01-31-2000 DMW Created
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* 09-18-2000 SJH Moved structure out of the Disk-On-Chip drivers
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* so it can be used by other NAND flash device
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* drivers. I also changed the copyright since none
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* of the original contents of this file are specific
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* to DoC devices. David can whack me with a baseball
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* bat later if I did something naughty.
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* 10-11-2000 SJH Added private NAND flash structure for driver
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* 10-24-2000 SJH Added prototype for 'nand_scan' function
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*/
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#ifndef __LINUX_MTD_NAND_H
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#define __LINUX_MTD_NAND_H
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/*
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* Standard NAND flash commands
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*/
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#define NAND_CMD_READ0 0
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#define NAND_CMD_READ1 1
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#define NAND_CMD_PAGEPROG 0x10
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#define NAND_CMD_READOOB 0x50
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#define NAND_CMD_ERASE1 0x60
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#define NAND_CMD_STATUS 0x70
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#define NAND_CMD_SEQIN 0x80
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#define NAND_CMD_READID 0x90
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#define NAND_CMD_ERASE2 0xd0
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#define NAND_CMD_RESET 0xff
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/*
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* NAND Flash Manufacturer ID Codes
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*/
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#define NAND_MFR_TOSHIBA 0x98
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#define NAND_MFR_SAMSUNG 0xec
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/*
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* NAND Flash Device ID Structure
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*
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* Structure overview:
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*
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* name - Complete name of device
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*
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* manufacture_id - manufacturer ID code of device.
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*
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* model_id - model ID code of device.
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*
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* chipshift - total number of address bits for the device which
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* is used to calculate address offsets and the total
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* number of bytes the device is capable of.
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*
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* page256 - denotes if flash device has 256 byte pages or not.
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*
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* pageadrlen - number of bytes minus one needed to hold the
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* complete address into the flash array. Keep in
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* mind that when a read or write is done to a
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* specific address, the address is input serially
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* 8 bits at a time. This structure member is used
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* by the read/write routines as a loop index for
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* shifting the address out 8 bits at a time.
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*
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* erasesize - size of an erase block in the flash device.
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*/
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struct nand_flash_dev {
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char * name;
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int manufacture_id;
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int model_id;
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int chipshift;
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char page256;
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char pageadrlen;
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unsigned long erasesize;
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};
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#endif /* __LINUX_MTD_NAND_H */
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/*
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* u-boot/include/linux/mtd/nand_ids.h
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*
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* Copyright (c) 2000 David Woodhouse <dwmw2@mvhi.com>
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* Steven J. Hill <sjhill@cotw.com>
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*
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* $Id: nand_ids.h,v 1.1 2000/10/13 16:16:26 mdeans Exp $
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Info:
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* Contains standard defines and IDs for NAND flash devices
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*
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* Changelog:
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* 01-31-2000 DMW Created
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* 09-18-2000 SJH Moved structure out of the Disk-On-Chip drivers
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* so it can be used by other NAND flash device
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* drivers. I also changed the copyright since none
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* of the original contents of this file are specific
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* to DoC devices. David can whack me with a baseball
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* bat later if I did something naughty.
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* 10-11-2000 SJH Added private NAND flash structure for driver
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* 2000-10-13 BE Moved out of 'nand.h' - avoids duplication.
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*/
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#ifndef __LINUX_MTD_NAND_IDS_H
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#define __LINUX_MTD_NAND_IDS_H
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static struct nand_flash_dev nand_flash_ids[] = {
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{"Toshiba TC5816BDC", NAND_MFR_TOSHIBA, 0x64, 21, 1, 2, 0x1000},
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{"Toshiba TC5832DC", NAND_MFR_TOSHIBA, 0x6b, 22, 0, 2, 0x2000},
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{"Toshiba TH58V128DC", NAND_MFR_TOSHIBA, 0x73, 24, 0, 2, 0x4000},
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{"Toshiba TC58256FT/DC", NAND_MFR_TOSHIBA, 0x75, 25, 0, 2, 0x4000},
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{"Toshiba TH58512FT", NAND_MFR_TOSHIBA, 0x76, 26, 0, 3, 0x4000},
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{"Toshiba TC58V32DC", NAND_MFR_TOSHIBA, 0xe5, 22, 0, 2, 0x2000},
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{"Toshiba TC58V64AFT/DC", NAND_MFR_TOSHIBA, 0xe6, 23, 0, 2, 0x2000},
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{"Toshiba TC58V16BDC", NAND_MFR_TOSHIBA, 0xea, 21, 1, 2, 0x1000},
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{"Samsung KM29N16000", NAND_MFR_SAMSUNG, 0x64, 21, 1, 2, 0x1000},
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{"Samsung unknown 4Mb", NAND_MFR_SAMSUNG, 0x6b, 22, 0, 2, 0x2000},
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{"Samsung KM29U128T", NAND_MFR_SAMSUNG, 0x73, 24, 0, 2, 0x4000},
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{"Samsung KM29U256T", NAND_MFR_SAMSUNG, 0x75, 25, 0, 2, 0x4000},
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{"Samsung unknown 64Mb", NAND_MFR_SAMSUNG, 0x76, 26, 0, 3, 0x4000},
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{"Samsung KM29W32000", NAND_MFR_SAMSUNG, 0xe3, 22, 0, 2, 0x2000},
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{"Samsung unknown 4Mb", NAND_MFR_SAMSUNG, 0xe5, 22, 0, 2, 0x2000},
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{"Samsung KM29U64000", NAND_MFR_SAMSUNG, 0xe6, 23, 0, 2, 0x2000},
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{"Samsung KM29W16000", NAND_MFR_SAMSUNG, 0xea, 21, 1, 2, 0x1000},
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{NULL,}
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};
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#endif /* __LINUX_MTD_NAND_IDS_H */
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