66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
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* Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> et al.
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __MTD_CFI_H__
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#define __MTD_CFI_H__
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/* NB: these values must represents the number of bytes needed to meet the
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* device type (x8, x16, x32). Eg. a 32 bit device is 4 x 8 bytes.
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* These numbers are used in calculations.
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*/
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#define CFI_DEVICETYPE_X8 (8 / 8)
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#define CFI_DEVICETYPE_X16 (16 / 8)
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#define CFI_DEVICETYPE_X32 (32 / 8)
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#define CFI_DEVICETYPE_X64 (64 / 8)
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/* Device Interface Code Assignments from the "Common Flash Memory Interface
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* Publication 100" dated December 1, 2001.
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*/
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#define CFI_INTERFACE_X8_ASYNC 0x0000
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#define CFI_INTERFACE_X16_ASYNC 0x0001
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#define CFI_INTERFACE_X8_BY_X16_ASYNC 0x0002
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#define CFI_INTERFACE_X32_ASYNC 0x0003
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#define CFI_INTERFACE_X16_BY_X32_ASYNC 0x0005
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#define CFI_INTERFACE_NOT_ALLOWED 0xffff
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#define CFI_MFR_ANY 0xFFFF
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#define CFI_ID_ANY 0xFFFF
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#define CFI_MFR_CONTINUATION 0x007F
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#define CFI_MFR_AMD 0x0001
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#define CFI_MFR_AMIC 0x0037
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#define CFI_MFR_ATMEL 0x001F
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#define CFI_MFR_EON 0x001C
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#define CFI_MFR_FUJITSU 0x0004
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#define CFI_MFR_HYUNDAI 0x00AD
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#define CFI_MFR_INTEL 0x0089
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#define CFI_MFR_MACRONIX 0x00C2
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#define CFI_MFR_NEC 0x0010
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#define CFI_MFR_PMC 0x009D
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#define CFI_MFR_SAMSUNG 0x00EC
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#define CFI_MFR_SHARP 0x00B0
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#define CFI_MFR_SST 0x00BF
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#define CFI_MFR_ST 0x0020 /* STMicroelectronics */
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#define CFI_MFR_TOSHIBA 0x0098
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#define CFI_MFR_WINBOND 0x00DA
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#endif /* __MTD_CFI_H__ */
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