Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /*
  2  *  drivers/mtd/nandids.c
  3  *
  4  *  Copyright (C) 2002 Thomas Gleixner (tglx@linutronix.de)
  5   *
  6  * $Id: nand_ids.c,v 1.10 2004/05/26 13:40:12 gleixner Exp $
  7  *
  8  * This program is free software; you can redistribute it and/or modify
  9  * it under the terms of the GNU General Public License version 2 as
 10  * published by the Free Software Foundation.
 11  *
 12  */
 13 #include <linux/module.h>
 14 #include <linux/mtd/nand.h>
 15 /*
 16 *       Chip ID list
 17 *       
 18 *       Name. ID code, pagesize, chipsize in MegaByte, eraseblock size,
 19 *       options
 20 * 
 21 *       Pagesize; 0, 256, 512
 22 *       0       get this information from the extended chip ID
 23 +       256     256 Byte page size
 24 *       512     512 Byte page size      
 25 */
 26 struct nand_flash_dev nand_flash_ids[] = {
 27         {"NAND 1MiB 5V 8-bit",          0x6e, 256, 1, 0x1000, 0},
 28         {"NAND 2MiB 5V 8-bit",          0x64, 256, 2, 0x1000, 0},
 29         {"NAND 4MiB 5V 8-bit",          0x6b, 512, 4, 0x2000, 0},
 30         {"NAND 1MiB 3,3V 8-bit",        0xe8, 256, 1, 0x1000, 0},
 31         {"NAND 1MiB 3,3V 8-bit",        0xec, 256, 1, 0x1000, 0},
 32         {"NAND 2MiB 3,3V 8-bit",        0xea, 256, 2, 0x1000, 0},
 33         {"NAND 4MiB 3,3V 8-bit",        0xd5, 512, 4, 0x2000, 0},
 34         {"NAND 4MiB 3,3V 8-bit",        0xe3, 512, 4, 0x2000, 0},
 35         {"NAND 4MiB 3,3V 8-bit",        0xe5, 512, 4, 0x2000, 0},
 36         {"NAND 8MiB 3,3V 8-bit",        0xd6, 512, 8, 0x2000, 0},
 37         
 38         {"NAND 8MiB 1,8V 8-bit",        0x39, 512, 8, 0x2000, 0},
 39         {"NAND 8MiB 3,3V 8-bit",        0xe6, 512, 8, 0x2000, 0},
 40         {"NAND 8MiB 1,8V 16-bit",       0x49, 512, 8, 0x2000, NAND_BUSWIDTH_16},
 41         {"NAND 8MiB 3,3V 16-bit",       0x59, 512, 8, 0x2000, NAND_BUSWIDTH_16},
 42         
 43         {"NAND 16MiB 1,8V 8-bit",       0x33, 512, 16, 0x4000, 0},
 44         {"NAND 16MiB 3,3V 8-bit",       0x73, 512, 16, 0x4000, 0},
 45         {"NAND 16MiB 1,8V 16-bit",      0x43, 512, 16, 0x4000, NAND_BUSWIDTH_16},
 46         {"NAND 16MiB 3,3V 16-bit",      0x53, 512, 16, 0x4000, NAND_BUSWIDTH_16},
 47         
 48         {"NAND 32MiB 1,8V 8-bit",       0x35, 512, 32, 0x4000, 0},
 49         {"NAND 32MiB 3,3V 8-bit",       0x75, 512, 32, 0x4000, 0},
 50         {"NAND 32MiB 1,8V 16-bit",      0x45, 512, 32, 0x4000, NAND_BUSWIDTH_16},
 51         {"NAND 32MiB 3,3V 16-bit",      0x55, 512, 32, 0x4000, NAND_BUSWIDTH_16},
 52         
 53         {"NAND 64MiB 1,8V 8-bit",       0x36, 512, 64, 0x4000, 0},
 54         {"NAND 64MiB 3,3V 8-bit",       0x76, 512, 64, 0x4000, 0},
 55         {"NAND 64MiB 1,8V 16-bit",      0x46, 512, 64, 0x4000, NAND_BUSWIDTH_16},
 56         {"NAND 64MiB 3,3V 16-bit",      0x56, 512, 64, 0x4000, NAND_BUSWIDTH_16},
 57         
 58         {"NAND 128MiB 1,8V 8-bit",      0x78, 512, 128, 0x4000, 0},
 59         {"NAND 128MiB 3,3V 8-bit",      0x79, 512, 128, 0x4000, 0},
 60         {"NAND 128MiB 1,8V 16-bit",     0x72, 512, 128, 0x4000, NAND_BUSWIDTH_16},
 61         {"NAND 128MiB 3,3V 16-bit",     0x74, 512, 128, 0x4000, NAND_BUSWIDTH_16},
 62         
 63         {"NAND 256MiB 3,3V 8-bit",      0x71, 512, 256, 0x4000, 0},
 64 
 65         {"NAND 512MiB 3,3V 8-bit",      0xDC, 512, 512, 0x4000, 0},
 66         
 67         /* These are the new chips with large page size. The pagesize
 68         * and the erasesize is determined from the extended id bytes
 69         */
 70         /* 1 Gigabit */
 71         {"NAND 128MiB 1,8V 8-bit",      0xA1, 0, 128, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
 72         {"NAND 128MiB 3,3V 8-bit",      0xF1, 0, 128, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
 73         {"NAND 128MiB 1,8V 16-bit",     0xB1, 0, 128, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
 74         {"NAND 128MiB 3,3V 16-bit",     0xC1, 0, 128, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
 75 
 76         /* 2 Gigabit */
 77         {"NAND 256MiB 1,8V 8-bit",      0xAA, 0, 256, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
 78         {"NAND 256MiB 3,3V 8-bit",      0xDA, 0, 256, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
 79         {"NAND 256MiB 1,8V 16-bit",     0xBA, 0, 256, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
 80         {"NAND 256MiB 3,3V 16-bit",     0xCA, 0, 256, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
 81         
 82         /* 4 Gigabit */
 83         {"NAND 512MiB 1,8V 8-bit",      0xAC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
 84         {"NAND 512MiB 3,3V 8-bit",      0xDC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
 85         {"NAND 512MiB 1,8V 16-bit",     0xBC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
 86         {"NAND 512MiB 3,3V 16-bit",     0xCC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
 87         
 88         /* 8 Gigabit */
 89         {"NAND 1GiB 1,8V 8-bit",        0xA3, 0, 1024, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
 90         {"NAND 1GiB 3,3V 8-bit",        0xD3, 0, 1024, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
 91         {"NAND 1GiB 1,8V 16-bit",       0xB3, 0, 1024, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
 92         {"NAND 1GiB 3,3V 16-bit",       0xC3, 0, 1024, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
 93 
 94         /* 16 Gigabit */
 95         {"NAND 2GiB 1,8V 8-bit",        0xA5, 0, 2048, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
 96         {"NAND 2GiB 3,3V 8-bit",        0xD5, 0, 2048, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
 97         {"NAND 2GiB 1,8V 16-bit",       0xB5, 0, 2048, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
 98         {"NAND 2GiB 3,3V 16-bit",       0xC5, 0, 2048, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
 99 
100         /* Renesas AND 1 Gigabit. Those chips do not support extended id and have a strange page/block layout ! 
101          * The chosen minimum erasesize is 4 * 2 * 2048 = 16384 Byte, as those chips have an array of 4 page planes
102          * 1 block = 2 pages, but due to plane arrangement the blocks 0-3 consists of page 0 + 4,1 + 5, 2 + 6, 3 + 7
103          * Anyway JFFS2 would increase the eraseblock size so we chose a combined one which can be erased in one go
104          * There are more speed improvements for reads and writes possible, but not implemented now 
105          */
106         {"AND 128MiB 3,3V 8-bit",       0x01, 2048, 128, 0x4000, NAND_IS_AND | NAND_NO_AUTOINCR | NAND_4PAGE_ARRAY},
107 
108         {NULL,}
109 };
110 
111 /*
112 *       Manufacturer ID list
113 */
114 struct nand_manufacturers nand_manuf_ids[] = {
115         {NAND_MFR_TOSHIBA, "Toshiba"},
116         {NAND_MFR_SAMSUNG, "Samsung"},
117         {NAND_MFR_FUJITSU, "Fujitsu"},
118         {NAND_MFR_NATIONAL, "National"},
119         {NAND_MFR_RENESAS, "Renesas"},
120         {NAND_MFR_STMICRO, "ST Micro"},
121         {0x0, "Unknown"}
122 };
123 
124 EXPORT_SYMBOL (nand_manuf_ids);
125 EXPORT_SYMBOL (nand_flash_ids);
126 
127 MODULE_LICENSE ("GPL");
128 MODULE_AUTHOR ("Thomas Gleixner <tglx@linutronix.de>");
129 MODULE_DESCRIPTION ("Nand device & manufacturer ID's");
130 
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