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  * This program is free software; you can redistribute it and/or modify
  7  * it under the terms of the GNU General Public License version 2 as
  8  * published by the Free Software Foundation.
  9  *
 10  */
 11 #include <linux/module.h>
 12 #include <linux/mtd/nand.h>
 13 /*
 14 *       Chip ID list
 15 *
 16 *       Name. ID code, pagesize, chipsize in MegaByte, eraseblock size,
 17 *       options
 18 *
 19 *       Pagesize; 0, 256, 512
 20 *       0       get this information from the extended chip ID
 21 +       256     256 Byte page size
 22 *       512     512 Byte page size
 23 */
 24 struct nand_flash_dev nand_flash_ids[] = {
 25 
 26 #ifdef CONFIG_MTD_NAND_MUSEUM_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 #endif
 43 
 44         {"NAND 16MiB 1,8V 8-bit",       0x33, 512, 16, 0x4000, 0},
 45         {"NAND 16MiB 3,3V 8-bit",       0x73, 512, 16, 0x4000, 0},
 46         {"NAND 16MiB 1,8V 16-bit",      0x43, 512, 16, 0x4000, NAND_BUSWIDTH_16},
 47         {"NAND 16MiB 3,3V 16-bit",      0x53, 512, 16, 0x4000, NAND_BUSWIDTH_16},
 48 
 49         {"NAND 32MiB 1,8V 8-bit",       0x35, 512, 32, 0x4000, 0},
 50         {"NAND 32MiB 3,3V 8-bit",       0x75, 512, 32, 0x4000, 0},
 51         {"NAND 32MiB 1,8V 16-bit",      0x45, 512, 32, 0x4000, NAND_BUSWIDTH_16},
 52         {"NAND 32MiB 3,3V 16-bit",      0x55, 512, 32, 0x4000, NAND_BUSWIDTH_16},
 53 
 54         {"NAND 64MiB 1,8V 8-bit",       0x36, 512, 64, 0x4000, 0},
 55         {"NAND 64MiB 3,3V 8-bit",       0x76, 512, 64, 0x4000, 0},
 56         {"NAND 64MiB 1,8V 16-bit",      0x46, 512, 64, 0x4000, NAND_BUSWIDTH_16},
 57         {"NAND 64MiB 3,3V 16-bit",      0x56, 512, 64, 0x4000, NAND_BUSWIDTH_16},
 58 
 59         {"NAND 128MiB 1,8V 8-bit",      0x78, 512, 128, 0x4000, 0},
 60         {"NAND 128MiB 1,8V 8-bit",      0x39, 512, 128, 0x4000, 0},
 61         {"NAND 128MiB 3,3V 8-bit",      0x79, 512, 128, 0x4000, 0},
 62         {"NAND 128MiB 1,8V 16-bit",     0x72, 512, 128, 0x4000, NAND_BUSWIDTH_16},
 63         {"NAND 128MiB 1,8V 16-bit",     0x49, 512, 128, 0x4000, NAND_BUSWIDTH_16},
 64         {"NAND 128MiB 3,3V 16-bit",     0x74, 512, 128, 0x4000, NAND_BUSWIDTH_16},
 65         {"NAND 128MiB 3,3V 16-bit",     0x59, 512, 128, 0x4000, NAND_BUSWIDTH_16},
 66 
 67         {"NAND 256MiB 3,3V 8-bit",      0x71, 512, 256, 0x4000, 0},
 68 
 69         /*
 70          * These are the new chips with large page size. The pagesize and the
 71          * erasesize is determined from the extended id bytes
 72          */
 73 #define LP_OPTIONS (NAND_SAMSUNG_LP_OPTIONS | NAND_NO_READRDY | NAND_NO_AUTOINCR)
 74 #define LP_OPTIONS16 (LP_OPTIONS | NAND_BUSWIDTH_16)
 75 
 76         /*512 Megabit */
 77         {"NAND 64MiB 1,8V 8-bit",       0xA2, 0,  64, 0, LP_OPTIONS},
 78         {"NAND 64MiB 3,3V 8-bit",       0xF2, 0,  64, 0, LP_OPTIONS},
 79         {"NAND 64MiB 1,8V 16-bit",      0xB2, 0,  64, 0, LP_OPTIONS16},
 80         {"NAND 64MiB 3,3V 16-bit",      0xC2, 0,  64, 0, LP_OPTIONS16},
 81 
 82         /* 1 Gigabit */
 83         {"NAND 128MiB 1,8V 8-bit",      0xA1, 0, 128, 0, LP_OPTIONS},
 84         {"NAND 128MiB 3,3V 8-bit",      0xF1, 0, 128, 0, LP_OPTIONS},
 85         {"NAND 128MiB 1,8V 16-bit",     0xB1, 0, 128, 0, LP_OPTIONS16},
 86         {"NAND 128MiB 3,3V 16-bit",     0xC1, 0, 128, 0, LP_OPTIONS16},
 87 
 88         /* 2 Gigabit */
 89         {"NAND 256MiB 1,8V 8-bit",      0xAA, 0, 256, 0, LP_OPTIONS},
 90         {"NAND 256MiB 3,3V 8-bit",      0xDA, 0, 256, 0, LP_OPTIONS},
 91         {"NAND 256MiB 1,8V 16-bit",     0xBA, 0, 256, 0, LP_OPTIONS16},
 92         {"NAND 256MiB 3,3V 16-bit",     0xCA, 0, 256, 0, LP_OPTIONS16},
 93 
 94         /* 4 Gigabit */
 95         {"NAND 512MiB 1,8V 8-bit",      0xAC, 0, 512, 0, LP_OPTIONS},
 96         {"NAND 512MiB 3,3V 8-bit",      0xDC, 0, 512, 0, LP_OPTIONS},
 97         {"NAND 512MiB 1,8V 16-bit",     0xBC, 0, 512, 0, LP_OPTIONS16},
 98         {"NAND 512MiB 3,3V 16-bit",     0xCC, 0, 512, 0, LP_OPTIONS16},
 99 
100         /* 8 Gigabit */
101         {"NAND 1GiB 1,8V 8-bit",        0xA3, 0, 1024, 0, LP_OPTIONS},
102         {"NAND 1GiB 3,3V 8-bit",        0xD3, 0, 1024, 0, LP_OPTIONS},
103         {"NAND 1GiB 1,8V 16-bit",       0xB3, 0, 1024, 0, LP_OPTIONS16},
104         {"NAND 1GiB 3,3V 16-bit",       0xC3, 0, 1024, 0, LP_OPTIONS16},
105 
106         /* 16 Gigabit */
107         {"NAND 2GiB 1,8V 8-bit",        0xA5, 0, 2048, 0, LP_OPTIONS},
108         {"NAND 2GiB 3,3V 8-bit",        0xD5, 0, 2048, 0, LP_OPTIONS},
109         {"NAND 2GiB 1,8V 16-bit",       0xB5, 0, 2048, 0, LP_OPTIONS16},
110         {"NAND 2GiB 3,3V 16-bit",       0xC5, 0, 2048, 0, LP_OPTIONS16},
111 
112         /*
113          * Renesas AND 1 Gigabit. Those chips do not support extended id and
114          * have a strange page/block layout !  The chosen minimum erasesize is
115          * 4 * 2 * 2048 = 16384 Byte, as those chips have an array of 4 page
116          * planes 1 block = 2 pages, but due to plane arrangement the blocks
117          * 0-3 consists of page 0 + 4,1 + 5, 2 + 6, 3 + 7 Anyway JFFS2 would
118          * increase the eraseblock size so we chose a combined one which can be
119          * erased in one go There are more speed improvements for reads and
120          * writes possible, but not implemented now
121          */
122         {"AND 128MiB 3,3V 8-bit",       0x01, 2048, 128, 0x4000,
123          NAND_IS_AND | NAND_NO_AUTOINCR |NAND_NO_READRDY | NAND_4PAGE_ARRAY |
124          BBT_AUTO_REFRESH
125         },
126 
127         {NULL,}
128 };
129 
130 /*
131 *       Manufacturer ID list
132 */
133 struct nand_manufacturers nand_manuf_ids[] = {
134         {NAND_MFR_TOSHIBA, "Toshiba"},
135         {NAND_MFR_SAMSUNG, "Samsung"},
136         {NAND_MFR_FUJITSU, "Fujitsu"},
137         {NAND_MFR_NATIONAL, "National"},
138         {NAND_MFR_RENESAS, "Renesas"},
139         {NAND_MFR_STMICRO, "ST Micro"},
140         {NAND_MFR_HYNIX, "Hynix"},
141         {NAND_MFR_MICRON, "Micron"},
142         {NAND_MFR_AMD, "AMD"},
143         {0x0, "Unknown"}
144 };
145 
146 EXPORT_SYMBOL(nand_manuf_ids);
147 EXPORT_SYMBOL(nand_flash_ids);
148 
149 MODULE_LICENSE("GPL");
150 MODULE_AUTHOR("Thomas Gleixner <tglx@linutronix.de>");
151 MODULE_DESCRIPTION("Nand device & manufacturer IDs");
152 
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