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   1 /*
   2    Common Flash Interface probe code.
   3    (C) 2000 Red Hat. GPL'd.
   4    $Id: jedec_probe.c,v 1.66 2005/11/07 11:14:23 gleixner Exp $
   5    See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
   6    for the standard this probe goes back to.
   7
   8    Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
   9 */
  10
  11 #include <linux/module.h>
  12 #include <linux/init.h>
  13 #include <linux/types.h>
  14 #include <linux/kernel.h>
  15 #include <asm/io.h>
  16 #include <asm/byteorder.h>
  17 #include <linux/errno.h>
  18 #include <linux/slab.h>
  19 #include <linux/interrupt.h>
  20
  21 #include <linux/mtd/mtd.h>
  22 #include <linux/mtd/map.h>
  23 #include <linux/mtd/cfi.h>
  24 #include <linux/mtd/gen_probe.h>
  25
  26 /* Manufacturers */
  27 #define MANUFACTURER_AMD        0x0001
  28 #define MANUFACTURER_ATMEL      0x001f
  29 #define MANUFACTURER_FUJITSU    0x0004
  30 #define MANUFACTURER_HYUNDAI    0x00AD
  31 #define MANUFACTURER_INTEL      0x0089
  32 #define MANUFACTURER_MACRONIX   0x00C2
  33 #define MANUFACTURER_NEC        0x0010
  34 #define MANUFACTURER_PMC        0x009D
  35 #define MANUFACTURER_SHARP      0x00b0
  36 #define MANUFACTURER_SST        0x00BF
  37 #define MANUFACTURER_ST         0x0020
  38 #define MANUFACTURER_TOSHIBA    0x0098
  39 #define MANUFACTURER_WINBOND    0x00da
  40
  41
  42 /* AMD */
  43 #define AM29DL800BB     0x22C8
  44 #define AM29DL800BT     0x224A
  45
  46 #define AM29F800BB      0x2258
  47 #define AM29F800BT      0x22D6
  48 #define AM29LV400BB     0x22BA
  49 #define AM29LV400BT     0x22B9
  50 #define AM29LV800BB     0x225B
  51 #define AM29LV800BT     0x22DA
  52 #define AM29LV160DT     0x22C4
  53 #define AM29LV160DB     0x2249
  54 #define AM29F017D       0x003D
  55 #define AM29F016D       0x00AD
  56 #define AM29F080        0x00D5
  57 #define AM29F040        0x00A4
  58 #define AM29LV040B      0x004F
  59 #define AM29F032B       0x0041
  60 #define AM29F002T       0x00B0
  61 #define AM29SL800DB     0x226B
  62 #define AM29SL800DT     0x22EA
  63
  64 /* Atmel */
  65 #define AT49BV512       0x0003
  66 #define AT29LV512       0x003d
  67 #define AT49BV16X       0x00C0
  68 #define AT49BV16XT      0x00C2
  69 #define AT49BV32X       0x00C8
  70 #define AT49BV32XT      0x00C9
  71
  72 /* Fujitsu */
  73 #define MBM29F040C      0x00A4
  74 #define MBM29F800BA     0x2258
  75 #define MBM29LV650UE    0x22D7
  76 #define MBM29LV320TE    0x22F6
  77 #define MBM29LV320BE    0x22F9
  78 #define MBM29LV160TE    0x22C4
  79 #define MBM29LV160BE    0x2249
  80 #define MBM29LV800BA    0x225B
  81 #define MBM29LV800TA    0x22DA
  82 #define MBM29LV400TC    0x22B9
  83 #define MBM29LV400BC    0x22BA
  84
  85 /* Hyundai */
  86 #define HY29F002T       0x00B0
  87
  88 /* Intel */
  89 #define I28F004B3T      0x00d4
  90 #define I28F004B3B      0x00d5
  91 #define I28F400B3T      0x8894
  92 #define I28F400B3B      0x8895
  93 #define I28F008S5       0x00a6
  94 #define I28F016S5       0x00a0
  95 #define I28F008SA       0x00a2
  96 #define I28F008B3T      0x00d2
  97 #define I28F008B3B      0x00d3
  98 #define I28F800B3T      0x8892
  99 #define I28F800B3B      0x8893
 100 #define I28F016S3       0x00aa
 101 #define I28F016B3T      0x00d0
 102 #define I28F016B3B      0x00d1
 103 #define I28F160B3T      0x8890
 104 #define I28F160B3B      0x8891
 105 #define I28F320B3T      0x8896
 106 #define I28F320B3B      0x8897
 107 #define I28F640B3T      0x8898
 108 #define I28F640B3B      0x8899
 109 #define I82802AB        0x00ad
 110 #define I82802AC        0x00ac
 111
 112 /* Macronix */
 113 #define MX29LV040C      0x004F
 114 #define MX29LV160T      0x22C4
 115 #define MX29LV160B      0x2249
 116 #define MX29F040        0x00A4
 117 #define MX29F016        0x00AD
 118 #define MX29F002T       0x00B0
 119 #define MX29F004T       0x0045
 120 #define MX29F004B       0x0046
 121
 122 /* NEC */
 123 #define UPD29F064115    0x221C
 124
 125 /* PMC */
 126 #define PM49FL002       0x006D
 127 #define PM49FL004       0x006E
 128 #define PM49FL008       0x006A
 129
 130 /* Sharp */
 131 #define LH28F640BF      0x00b0
 132
 133 /* ST - www.st.com */
 134 #define M29F800AB       0x0058
 135 #define M29W800DT       0x00D7
 136 #define M29W800DB       0x005B
 137 #define M29W400DT       0x00EE
 138 #define M29W400DB       0x00EF
 139 #define M29W160DT       0x22C4
 140 #define M29W160DB       0x2249
 141 #define M29W040B        0x00E3
 142 #define M50FW040        0x002C
 143 #define M50FW080        0x002D
 144 #define M50FW016        0x002E
 145 #define M50LPW080       0x002F
 146 #define M50FLW080A      0x0080
 147 #define M50FLW080B      0x0081
 148
 149 /* SST */
 150 #define SST29EE020      0x0010
 151 #define SST29LE020      0x0012
 152 #define SST29EE512      0x005d
 153 #define SST29LE512      0x003d
 154 #define SST39LF800      0x2781
 155 #define SST39LF160      0x2782
 156 #define SST39VF1601     0x234b
 157 #define SST39LF512      0x00D4
 158 #define SST39LF010      0x00D5
 159 #define SST39LF020      0x00D6
 160 #define SST39LF040      0x00D7
 161 #define SST39SF010A     0x00B5
 162 #define SST39SF020A     0x00B6
 163 #define SST49LF004B     0x0060
 164 #define SST49LF040B     0x0050
 165 #define SST49LF008A     0x005a
 166 #define SST49LF030A     0x001C
 167 #define SST49LF040A     0x0051
 168 #define SST49LF080A     0x005B
 169 #define SST36VF3203     0x7354
 170
 171 /* Toshiba */
 172 #define TC58FVT160      0x00C2
 173 #define TC58FVB160      0x0043
 174 #define TC58FVT321      0x009A
 175 #define TC58FVB321      0x009C
 176 #define TC58FVT641      0x0093
 177 #define TC58FVB641      0x0095
 178
 179 /* Winbond */
 180 #define W49V002A        0x00b0
 181
 182
 183 /*
 184  * Unlock address sets for AMD command sets.
 185  * Intel command sets use the MTD_UADDR_UNNECESSARY.
 186  * Each identifier, except MTD_UADDR_UNNECESSARY, and
 187  * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
 188  * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
 189  * initialization need not require initializing all of the
 190  * unlock addresses for all bit widths.
 191  */
 192 enum uaddr {
 193         MTD_UADDR_NOT_SUPPORTED = 0,    /* data width not supported */
 194         MTD_UADDR_0x0555_0x02AA,
 195         MTD_UADDR_0x0555_0x0AAA,
 196         MTD_UADDR_0x5555_0x2AAA,
 197         MTD_UADDR_0x0AAA_0x0555,
 198         MTD_UADDR_DONT_CARE,            /* Requires an arbitrary address */
 199         MTD_UADDR_UNNECESSARY,          /* Does not require any address */
 200 };
 201
 202
 203 struct unlock_addr {
 204         uint32_t addr1;
 205         uint32_t addr2;
 206 };
 207
 208
 209 /*
 210  * I don't like the fact that the first entry in unlock_addrs[]
 211  * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
 212  * should not be used.  The  problem is that structures with
 213  * initializers have extra fields initialized to 0.  It is _very_
 214  * desireable to have the unlock address entries for unsupported
 215  * data widths automatically initialized - that means that
 216  * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
 217  * must go unused.
 218  */
 219 static const struct unlock_addr  unlock_addrs[] = {
 220         [MTD_UADDR_NOT_SUPPORTED] = {
 221                 .addr1 = 0xffff,
 222                 .addr2 = 0xffff
 223         },
 224
 225         [MTD_UADDR_0x0555_0x02AA] = {
 226                 .addr1 = 0x0555,
 227                 .addr2 = 0x02aa
 228         },
 229
 230         [MTD_UADDR_0x0555_0x0AAA] = {
 231                 .addr1 = 0x0555,
 232                 .addr2 = 0x0aaa
 233         },
 234
 235         [MTD_UADDR_0x5555_0x2AAA] = {
 236                 .addr1 = 0x5555,
 237                 .addr2 = 0x2aaa
 238         },
 239
 240         [MTD_UADDR_0x0AAA_0x0555] = {
 241                 .addr1 = 0x0AAA,
 242                 .addr2 = 0x0555
 243         },
 244
 245         [MTD_UADDR_DONT_CARE] = {
 246                 .addr1 = 0x0000,      /* Doesn't matter which address */
 247                 .addr2 = 0x0000       /* is used - must be last entry */
 248         },
 249
 250         [MTD_UADDR_UNNECESSARY] = {
 251                 .addr1 = 0x0000,
 252                 .addr2 = 0x0000
 253         }
 254 };
 255
 256 struct amd_flash_info {
 257         const char *name;
 258         const uint16_t mfr_id;
 259         const uint16_t dev_id;
 260         const uint8_t dev_size;
 261         const uint8_t nr_regions;
 262         const uint16_t cmd_set;
 263         const uint32_t regions[6];
 264         const uint8_t devtypes;         /* Bitmask for x8, x16 etc. */
 265         const uint8_t uaddr;            /* unlock addrs for 8, 16, 32, 64 */
 266 };
 267
 268 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
 269
 270 #define SIZE_64KiB  16
 271 #define SIZE_128KiB 17
 272 #define SIZE_256KiB 18
 273 #define SIZE_512KiB 19
 274 #define SIZE_1MiB   20
 275 #define SIZE_2MiB   21
 276 #define SIZE_4MiB   22
 277 #define SIZE_8MiB   23
 278
 279
 280 /*
 281  * Please keep this list ordered by manufacturer!
 282  * Fortunately, the list isn't searched often and so a
 283  * slow, linear search isn't so bad.
 284  */
 285 static const struct amd_flash_info jedec_table[] = {
 286         {
 287                 .mfr_id         = MANUFACTURER_AMD,
 288                 .dev_id         = AM29F032B,
 289                 .name           = "AMD AM29F032B",
 290                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 291                 .devtypes       = CFI_DEVICETYPE_X8,
 292                 .dev_size       = SIZE_4MiB,
 293                 .cmd_set        = P_ID_AMD_STD,
 294                 .nr_regions     = 1,
 295                 .regions        = {
 296                         ERASEINFO(0x10000,64)
 297                 }
 298         }, {
 299                 .mfr_id         = MANUFACTURER_AMD,
 300                 .dev_id         = AM29LV160DT,
 301                 .name           = "AMD AM29LV160DT",
 302                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 303                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 304                 .dev_size       = SIZE_2MiB,
 305                 .cmd_set        = P_ID_AMD_STD,
 306                 .nr_regions     = 4,
 307                 .regions        = {
 308                         ERASEINFO(0x10000,31),
 309                         ERASEINFO(0x08000,1),
 310                         ERASEINFO(0x02000,2),
 311                         ERASEINFO(0x04000,1)
 312                 }
 313         }, {
 314                 .mfr_id         = MANUFACTURER_AMD,
 315                 .dev_id         = AM29LV160DB,
 316                 .name           = "AMD AM29LV160DB",
 317                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 318                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 319                 .dev_size       = SIZE_2MiB,
 320                 .cmd_set        = P_ID_AMD_STD,
 321                 .nr_regions     = 4,
 322                 .regions        = {
 323                         ERASEINFO(0x04000,1),
 324                         ERASEINFO(0x02000,2),
 325                         ERASEINFO(0x08000,1),
 326                         ERASEINFO(0x10000,31)
 327                 }
 328         }, {
 329                 .mfr_id         = MANUFACTURER_AMD,
 330                 .dev_id         = AM29LV400BB,
 331                 .name           = "AMD AM29LV400BB",
 332                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 333                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 334                 .dev_size       = SIZE_512KiB,
 335                 .cmd_set        = P_ID_AMD_STD,
 336                 .nr_regions     = 4,
 337                 .regions        = {
 338                         ERASEINFO(0x04000,1),
 339                         ERASEINFO(0x02000,2),
 340                         ERASEINFO(0x08000,1),
 341                         ERASEINFO(0x10000,7)
 342                 }
 343         }, {
 344                 .mfr_id         = MANUFACTURER_AMD,
 345                 .dev_id         = AM29LV400BT,
 346                 .name           = "AMD AM29LV400BT",
 347                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 348                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 349                 .dev_size       = SIZE_512KiB,
 350                 .cmd_set        = P_ID_AMD_STD,
 351                 .nr_regions     = 4,
 352                 .regions        = {
 353                         ERASEINFO(0x10000,7),
 354                         ERASEINFO(0x08000,1),
 355                         ERASEINFO(0x02000,2),
 356                         ERASEINFO(0x04000,1)
 357                 }
 358         }, {
 359                 .mfr_id         = MANUFACTURER_AMD,
 360                 .dev_id         = AM29LV800BB,
 361                 .name           = "AMD AM29LV800BB",
 362                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 363                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 364                 .dev_size       = SIZE_1MiB,
 365                 .cmd_set        = P_ID_AMD_STD,
 366                 .nr_regions     = 4,
 367                 .regions        = {
 368                         ERASEINFO(0x04000,1),
 369                         ERASEINFO(0x02000,2),
 370                         ERASEINFO(0x08000,1),
 371                         ERASEINFO(0x10000,15),
 372                 }
 373         }, {
 374 /* add DL */
 375                 .mfr_id         = MANUFACTURER_AMD,
 376                 .dev_id         = AM29DL800BB,
 377                 .name           = "AMD AM29DL800BB",
 378                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 379                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 380                 .dev_size       = SIZE_1MiB,
 381                 .cmd_set        = P_ID_AMD_STD,
 382                 .nr_regions     = 6,
 383                 .regions        = {
 384                         ERASEINFO(0x04000,1),
 385                         ERASEINFO(0x08000,1),
 386                         ERASEINFO(0x02000,4),
 387                         ERASEINFO(0x08000,1),
 388                         ERASEINFO(0x04000,1),
 389                         ERASEINFO(0x10000,14)
 390                 }
 391         }, {
 392                 .mfr_id         = MANUFACTURER_AMD,
 393                 .dev_id         = AM29DL800BT,
 394                 .name           = "AMD AM29DL800BT",
 395                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 396                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 397                 .dev_size       = SIZE_1MiB,
 398                 .cmd_set        = P_ID_AMD_STD,
 399                 .nr_regions     = 6,
 400                 .regions        = {
 401                         ERASEINFO(0x10000,14),
 402                         ERASEINFO(0x04000,1),
 403                         ERASEINFO(0x08000,1),
 404                         ERASEINFO(0x02000,4),
 405                         ERASEINFO(0x08000,1),
 406                         ERASEINFO(0x04000,1)
 407                 }
 408         }, {
 409                 .mfr_id         = MANUFACTURER_AMD,
 410                 .dev_id         = AM29F800BB,
 411                 .name           = "AMD AM29F800BB",
 412                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 413                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 414                 .dev_size       = SIZE_1MiB,
 415                 .cmd_set        = P_ID_AMD_STD,
 416                 .nr_regions     = 4,
 417                 .regions        = {
 418                         ERASEINFO(0x04000,1),
 419                         ERASEINFO(0x02000,2),
 420                         ERASEINFO(0x08000,1),
 421                         ERASEINFO(0x10000,15),
 422                 }
 423         }, {
 424                 .mfr_id         = MANUFACTURER_AMD,
 425                 .dev_id         = AM29LV800BT,
 426                 .name           = "AMD AM29LV800BT",
 427                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 428                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 429                 .dev_size       = SIZE_1MiB,
 430                 .cmd_set        = P_ID_AMD_STD,
 431                 .nr_regions     = 4,
 432                 .regions        = {
 433                         ERASEINFO(0x10000,15),
 434                         ERASEINFO(0x08000,1),
 435                         ERASEINFO(0x02000,2),
 436                         ERASEINFO(0x04000,1)
 437                 }
 438         }, {
 439                 .mfr_id         = MANUFACTURER_AMD,
 440                 .dev_id         = AM29F800BT,
 441                 .name           = "AMD AM29F800BT",
 442                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 443                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 444                 .dev_size       = SIZE_1MiB,
 445                 .cmd_set        = P_ID_AMD_STD,
 446                 .nr_regions     = 4,
 447                 .regions        = {
 448                         ERASEINFO(0x10000,15),
 449                         ERASEINFO(0x08000,1),
 450                         ERASEINFO(0x02000,2),
 451                         ERASEINFO(0x04000,1)
 452                 }
 453         }, {
 454                 .mfr_id         = MANUFACTURER_AMD,
 455                 .dev_id         = AM29F017D,
 456                 .name           = "AMD AM29F017D",
 457                 .devtypes       = CFI_DEVICETYPE_X8,
 458                 .uaddr          = MTD_UADDR_DONT_CARE,
 459                 .dev_size       = SIZE_2MiB,
 460                 .cmd_set        = P_ID_AMD_STD,
 461                 .nr_regions     = 1,
 462                 .regions        = {
 463                         ERASEINFO(0x10000,32),
 464                 }
 465         }, {
 466                 .mfr_id         = MANUFACTURER_AMD,
 467                 .dev_id         = AM29F016D,
 468                 .name           = "AMD AM29F016D",
 469                 .devtypes       = CFI_DEVICETYPE_X8,
 470                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 471                 .dev_size       = SIZE_2MiB,
 472                 .cmd_set        = P_ID_AMD_STD,
 473                 .nr_regions     = 1,
 474                 .regions        = {
 475                         ERASEINFO(0x10000,32),
 476                 }
 477         }, {
 478                 .mfr_id         = MANUFACTURER_AMD,
 479                 .dev_id         = AM29F080,
 480                 .name           = "AMD AM29F080",
 481                 .devtypes       = CFI_DEVICETYPE_X8,
 482                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 483                 .dev_size       = SIZE_1MiB,
 484                 .cmd_set        = P_ID_AMD_STD,
 485                 .nr_regions     = 1,
 486                 .regions        = {
 487                         ERASEINFO(0x10000,16),
 488                 }
 489         }, {
 490                 .mfr_id         = MANUFACTURER_AMD,
 491                 .dev_id         = AM29F040,
 492                 .name           = "AMD AM29F040",
 493                 .devtypes       = CFI_DEVICETYPE_X8,
 494                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 495                 .dev_size       = SIZE_512KiB,
 496                 .cmd_set        = P_ID_AMD_STD,
 497                 .nr_regions     = 1,
 498                 .regions        = {
 499                         ERASEINFO(0x10000,8),
 500                 }
 501         }, {
 502                 .mfr_id         = MANUFACTURER_AMD,
 503                 .dev_id         = AM29LV040B,
 504                 .name           = "AMD AM29LV040B",
 505                 .devtypes       = CFI_DEVICETYPE_X8,
 506                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 507                 .dev_size       = SIZE_512KiB,
 508                 .cmd_set        = P_ID_AMD_STD,
 509                 .nr_regions     = 1,
 510                 .regions        = {
 511                         ERASEINFO(0x10000,8),
 512                 }
 513         }, {
 514                 .mfr_id         = MANUFACTURER_AMD,
 515                 .dev_id         = AM29F002T,
 516                 .name           = "AMD AM29F002T",
 517                 .devtypes       = CFI_DEVICETYPE_X8,
 518                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 519                 .dev_size       = SIZE_256KiB,
 520                 .cmd_set        = P_ID_AMD_STD,
 521                 .nr_regions     = 4,
 522                 .regions        = {
 523                         ERASEINFO(0x10000,3),
 524                         ERASEINFO(0x08000,1),
 525                         ERASEINFO(0x02000,2),
 526                         ERASEINFO(0x04000,1),
 527                 }
 528         }, {
 529                 .mfr_id         = MANUFACTURER_AMD,
 530                 .dev_id         = AM29SL800DT,
 531                 .name           = "AMD AM29SL800DT",
 532                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 533                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 534                 .dev_size       = SIZE_1MiB,
 535                 .cmd_set        = P_ID_AMD_STD,
 536                 .nr_regions     = 4,
 537                 .regions        = {
 538                         ERASEINFO(0x10000,15),
 539                         ERASEINFO(0x08000,1),
 540                         ERASEINFO(0x02000,2),
 541                         ERASEINFO(0x04000,1),
 542                 }
 543         }, {
 544                 .mfr_id         = MANUFACTURER_AMD,
 545                 .dev_id         = AM29SL800DB,
 546                 .name           = "AMD AM29SL800DB",
 547                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 548                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 549                 .dev_size       = SIZE_1MiB,
 550                 .cmd_set        = P_ID_AMD_STD,
 551                 .nr_regions     = 4,
 552                 .regions        = {
 553                         ERASEINFO(0x04000,1),
 554                         ERASEINFO(0x02000,2),
 555                         ERASEINFO(0x08000,1),
 556                         ERASEINFO(0x10000,15),
 557                 }
 558         }, {
 559                 .mfr_id         = MANUFACTURER_ATMEL,
 560                 .dev_id         = AT49BV512,
 561                 .name           = "Atmel AT49BV512",
 562                 .devtypes       = CFI_DEVICETYPE_X8,
 563                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 564                 .dev_size       = SIZE_64KiB,
 565                 .cmd_set        = P_ID_AMD_STD,
 566                 .nr_regions     = 1,
 567                 .regions        = {
 568                         ERASEINFO(0x10000,1)
 569                 }
 570         }, {
 571                 .mfr_id         = MANUFACTURER_ATMEL,
 572                 .dev_id         = AT29LV512,
 573                 .name           = "Atmel AT29LV512",
 574                 .devtypes       = CFI_DEVICETYPE_X8,
 575                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 576                 .dev_size       = SIZE_64KiB,
 577                 .cmd_set        = P_ID_AMD_STD,
 578                 .nr_regions     = 1,
 579                 .regions        = {
 580                         ERASEINFO(0x80,256),
 581                         ERASEINFO(0x80,256)
 582                 }
 583         }, {
 584                 .mfr_id         = MANUFACTURER_ATMEL,
 585                 .dev_id         = AT49BV16X,
 586                 .name           = "Atmel AT49BV16X",
 587                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 588                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 589                 .dev_size       = SIZE_2MiB,
 590                 .cmd_set        = P_ID_AMD_STD,
 591                 .nr_regions     = 2,
 592                 .regions        = {
 593                         ERASEINFO(0x02000,8),
 594                         ERASEINFO(0x10000,31)
 595                 }
 596         }, {
 597                 .mfr_id         = MANUFACTURER_ATMEL,
 598                 .dev_id         = AT49BV16XT,
 599                 .name           = "Atmel AT49BV16XT",
 600                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 601                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 602                 .dev_size       = SIZE_2MiB,
 603                 .cmd_set        = P_ID_AMD_STD,
 604                 .nr_regions     = 2,
 605                 .regions        = {
 606                         ERASEINFO(0x10000,31),
 607                         ERASEINFO(0x02000,8)
 608                 }
 609         }, {
 610                 .mfr_id         = MANUFACTURER_ATMEL,
 611                 .dev_id         = AT49BV32X,
 612                 .name           = "Atmel AT49BV32X",
 613                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 614                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 615                 .dev_size       = SIZE_4MiB,
 616                 .cmd_set        = P_ID_AMD_STD,
 617                 .nr_regions     = 2,
 618                 .regions        = {
 619                         ERASEINFO(0x02000,8),
 620                         ERASEINFO(0x10000,63)
 621                 }
 622         }, {
 623                 .mfr_id         = MANUFACTURER_ATMEL,
 624                 .dev_id         = AT49BV32XT,
 625                 .name           = "Atmel AT49BV32XT",
 626                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 627                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 628                 .dev_size       = SIZE_4MiB,
 629                 .cmd_set        = P_ID_AMD_STD,
 630                 .nr_regions     = 2,
 631                 .regions        = {
 632                         ERASEINFO(0x10000,63),
 633                         ERASEINFO(0x02000,8)
 634                 }
 635         }, {
 636                 .mfr_id         = MANUFACTURER_FUJITSU,
 637                 .dev_id         = MBM29F040C,
 638                 .name           = "Fujitsu MBM29F040C",
 639                 .devtypes       = CFI_DEVICETYPE_X8,
 640                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 641                 .dev_size       = SIZE_512KiB,
 642                 .cmd_set        = P_ID_AMD_STD,
 643                 .nr_regions     = 1,
 644                 .regions        = {
 645                         ERASEINFO(0x10000,8)
 646                 }
 647         }, {
 648                 .mfr_id         = MANUFACTURER_FUJITSU,
 649                 .dev_id         = MBM29F800BA,
 650                 .name           = "Fujitsu MBM29F800BA",
 651                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 652                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 653                 .dev_size       = SIZE_1MiB,
 654                 .cmd_set        = P_ID_AMD_STD,
 655                 .nr_regions     = 4,
 656                 .regions        = {
 657                         ERASEINFO(0x04000,1),
 658                         ERASEINFO(0x02000,2),
 659                         ERASEINFO(0x08000,1),
 660                         ERASEINFO(0x10000,15),
 661                 }
 662         }, {
 663                 .mfr_id         = MANUFACTURER_FUJITSU,
 664                 .dev_id         = MBM29LV650UE,
 665                 .name           = "Fujitsu MBM29LV650UE",
 666                 .devtypes       = CFI_DEVICETYPE_X8,
 667                 .uaddr          = MTD_UADDR_DONT_CARE,
 668                 .dev_size       = SIZE_8MiB,
 669                 .cmd_set        = P_ID_AMD_STD,
 670                 .nr_regions     = 1,
 671                 .regions        = {
 672                         ERASEINFO(0x10000,128)
 673                 }
 674         }, {
 675                 .mfr_id         = MANUFACTURER_FUJITSU,
 676                 .dev_id         = MBM29LV320TE,
 677                 .name           = "Fujitsu MBM29LV320TE",
 678                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 679                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 680                 .dev_size       = SIZE_4MiB,
 681                 .cmd_set        = P_ID_AMD_STD,
 682                 .nr_regions     = 2,
 683                 .regions        = {
 684                         ERASEINFO(0x10000,63),
 685                         ERASEINFO(0x02000,8)
 686                 }
 687         }, {
 688                 .mfr_id         = MANUFACTURER_FUJITSU,
 689                 .dev_id         = MBM29LV320BE,
 690                 .name           = "Fujitsu MBM29LV320BE",
 691                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 692                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 693                 .dev_size       = SIZE_4MiB,
 694                 .cmd_set        = P_ID_AMD_STD,
 695                 .nr_regions     = 2,
 696                 .regions        = {
 697                         ERASEINFO(0x02000,8),
 698                         ERASEINFO(0x10000,63)
 699                 }
 700         }, {
 701                 .mfr_id         = MANUFACTURER_FUJITSU,
 702                 .dev_id         = MBM29LV160TE,
 703                 .name           = "Fujitsu MBM29LV160TE",
 704                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 705                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 706                 .dev_size       = SIZE_2MiB,
 707                 .cmd_set        = P_ID_AMD_STD,
 708                 .nr_regions     = 4,
 709                 .regions        = {
 710                         ERASEINFO(0x10000,31),
 711                         ERASEINFO(0x08000,1),
 712                         ERASEINFO(0x02000,2),
 713                         ERASEINFO(0x04000,1)
 714                 }
 715         }, {
 716                 .mfr_id         = MANUFACTURER_FUJITSU,
 717                 .dev_id         = MBM29LV160BE,
 718                 .name           = "Fujitsu MBM29LV160BE",
 719                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 720                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 721                 .dev_size       = SIZE_2MiB,
 722                 .cmd_set        = P_ID_AMD_STD,
 723                 .nr_regions     = 4,
 724                 .regions        = {
 725                         ERASEINFO(0x04000,1),
 726                         ERASEINFO(0x02000,2),
 727                         ERASEINFO(0x08000,1),
 728                         ERASEINFO(0x10000,31)
 729                 }
 730         }, {
 731                 .mfr_id         = MANUFACTURER_FUJITSU,
 732                 .dev_id         = MBM29LV800BA,
 733                 .name           = "Fujitsu MBM29LV800BA",
 734                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 735                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 736                 .dev_size       = SIZE_1MiB,
 737                 .cmd_set        = P_ID_AMD_STD,
 738                 .nr_regions     = 4,
 739                 .regions        = {
 740                         ERASEINFO(0x04000,1),
 741                         ERASEINFO(0x02000,2),
 742                         ERASEINFO(0x08000,1),
 743                         ERASEINFO(0x10000,15)
 744                 }
 745         }, {
 746                 .mfr_id         = MANUFACTURER_FUJITSU,
 747                 .dev_id         = MBM29LV800TA,
 748                 .name           = "Fujitsu MBM29LV800TA",
 749                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 750                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 751                 .dev_size       = SIZE_1MiB,
 752                 .cmd_set        = P_ID_AMD_STD,
 753                 .nr_regions     = 4,
 754                 .regions        = {
 755                         ERASEINFO(0x10000,15),
 756                         ERASEINFO(0x08000,1),
 757                         ERASEINFO(0x02000,2),
 758                         ERASEINFO(0x04000,1)
 759                 }
 760         }, {
 761                 .mfr_id         = MANUFACTURER_FUJITSU,
 762                 .dev_id         = MBM29LV400BC,
 763                 .name           = "Fujitsu MBM29LV400BC",
 764                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 765                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 766                 .dev_size       = SIZE_512KiB,
 767                 .cmd_set        = P_ID_AMD_STD,
 768                 .nr_regions     = 4,
 769                 .regions        = {
 770                         ERASEINFO(0x04000,1),
 771                         ERASEINFO(0x02000,2),
 772                         ERASEINFO(0x08000,1),
 773                         ERASEINFO(0x10000,7)
 774                 }
 775         }, {
 776                 .mfr_id         = MANUFACTURER_FUJITSU,
 777                 .dev_id         = MBM29LV400TC,
 778                 .name           = "Fujitsu MBM29LV400TC",
 779                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 780                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 781                 .dev_size       = SIZE_512KiB,
 782                 .cmd_set        = P_ID_AMD_STD,
 783                 .nr_regions     = 4,
 784                 .regions        = {
 785                         ERASEINFO(0x10000,7),
 786                         ERASEINFO(0x08000,1),
 787                         ERASEINFO(0x02000,2),
 788                         ERASEINFO(0x04000,1)
 789                 }
 790         }, {
 791                 .mfr_id         = MANUFACTURER_HYUNDAI,
 792                 .dev_id         = HY29F002T,
 793                 .name           = "Hyundai HY29F002T",
 794                 .devtypes       = CFI_DEVICETYPE_X8,
 795                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 796                 .dev_size       = SIZE_256KiB,
 797                 .cmd_set        = P_ID_AMD_STD,
 798                 .nr_regions     = 4,
 799                 .regions        = {
 800                         ERASEINFO(0x10000,3),
 801                         ERASEINFO(0x08000,1),
 802                         ERASEINFO(0x02000,2),
 803                         ERASEINFO(0x04000,1),
 804                 }
 805         }, {
 806                 .mfr_id         = MANUFACTURER_INTEL,
 807                 .dev_id         = I28F004B3B,
 808                 .name           = "Intel 28F004B3B",
 809                 .devtypes       = CFI_DEVICETYPE_X8,
 810                 .uaddr          = MTD_UADDR_UNNECESSARY,
 811                 .dev_size       = SIZE_512KiB,
 812                 .cmd_set        = P_ID_INTEL_STD,
 813                 .nr_regions     = 2,
 814                 .regions        = {
 815                         ERASEINFO(0x02000, 8),
 816                         ERASEINFO(0x10000, 7),
 817                 }
 818         }, {
 819                 .mfr_id         = MANUFACTURER_INTEL,
 820                 .dev_id         = I28F004B3T,
 821                 .name           = "Intel 28F004B3T",
 822                 .devtypes       = CFI_DEVICETYPE_X8,
 823                 .uaddr          = MTD_UADDR_UNNECESSARY,
 824                 .dev_size       = SIZE_512KiB,
 825                 .cmd_set        = P_ID_INTEL_STD,
 826                 .nr_regions     = 2,
 827                 .regions        = {
 828                         ERASEINFO(0x10000, 7),
 829                         ERASEINFO(0x02000, 8),
 830                 }
 831         }, {
 832                 .mfr_id         = MANUFACTURER_INTEL,
 833                 .dev_id         = I28F400B3B,
 834                 .name           = "Intel 28F400B3B",
 835                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 836                 .uaddr          = MTD_UADDR_UNNECESSARY,
 837                 .dev_size       = SIZE_512KiB,
 838                 .cmd_set        = P_ID_INTEL_STD,
 839                 .nr_regions     = 2,
 840                 .regions        = {
 841                         ERASEINFO(0x02000, 8),
 842                         ERASEINFO(0x10000, 7),
 843                 }
 844         }, {
 845                 .mfr_id         = MANUFACTURER_INTEL,
 846                 .dev_id         = I28F400B3T,
 847                 .name           = "Intel 28F400B3T",
 848                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 849                 .uaddr          = MTD_UADDR_UNNECESSARY,
 850                 .dev_size       = SIZE_512KiB,
 851                 .cmd_set        = P_ID_INTEL_STD,
 852                 .nr_regions     = 2,
 853                 .regions        = {
 854                         ERASEINFO(0x10000, 7),
 855                         ERASEINFO(0x02000, 8),
 856                 }
 857         }, {
 858                 .mfr_id         = MANUFACTURER_INTEL,
 859                 .dev_id         = I28F008B3B,
 860                 .name           = "Intel 28F008B3B",
 861                 .devtypes       = CFI_DEVICETYPE_X8,
 862                 .uaddr          = MTD_UADDR_UNNECESSARY,
 863                 .dev_size       = SIZE_1MiB,
 864                 .cmd_set        = P_ID_INTEL_STD,
 865                 .nr_regions     = 2,
 866                 .regions        = {
 867                         ERASEINFO(0x02000, 8),
 868                         ERASEINFO(0x10000, 15),
 869                 }
 870         }, {
 871                 .mfr_id         = MANUFACTURER_INTEL,
 872                 .dev_id         = I28F008B3T,
 873                 .name           = "Intel 28F008B3T",
 874                 .devtypes       = CFI_DEVICETYPE_X8,
 875                 .uaddr          = MTD_UADDR_UNNECESSARY,
 876                 .dev_size       = SIZE_1MiB,
 877                 .cmd_set        = P_ID_INTEL_STD,
 878                 .nr_regions     = 2,
 879                 .regions        = {
 880                         ERASEINFO(0x10000, 15),
 881                         ERASEINFO(0x02000, 8),
 882                 }
 883         }, {
 884                 .mfr_id         = MANUFACTURER_INTEL,
 885                 .dev_id         = I28F008S5,
 886                 .name           = "Intel 28F008S5",
 887                 .devtypes       = CFI_DEVICETYPE_X8,
 888                 .uaddr          = MTD_UADDR_UNNECESSARY,
 889                 .dev_size       = SIZE_1MiB,
 890                 .cmd_set        = P_ID_INTEL_EXT,
 891                 .nr_regions     = 1,
 892                 .regions        = {
 893                         ERASEINFO(0x10000,16),
 894                 }
 895         }, {
 896                 .mfr_id         = MANUFACTURER_INTEL,
 897                 .dev_id         = I28F016S5,
 898                 .name           = "Intel 28F016S5",
 899                 .devtypes       = CFI_DEVICETYPE_X8,
 900                 .uaddr          = MTD_UADDR_UNNECESSARY,
 901                 .dev_size       = SIZE_2MiB,
 902                 .cmd_set        = P_ID_INTEL_EXT,
 903                 .nr_regions     = 1,
 904                 .regions        = {
 905                         ERASEINFO(0x10000,32),
 906                 }
 907         }, {
 908                 .mfr_id         = MANUFACTURER_INTEL,
 909                 .dev_id         = I28F008SA,
 910                 .name           = "Intel 28F008SA",
 911                 .devtypes       = CFI_DEVICETYPE_X8,
 912                 .uaddr          = MTD_UADDR_UNNECESSARY,
 913                 .dev_size       = SIZE_1MiB,
 914                 .cmd_set        = P_ID_INTEL_STD,
 915                 .nr_regions     = 1,
 916                 .regions        = {
 917                         ERASEINFO(0x10000, 16),
 918                 }
 919         }, {
 920                 .mfr_id         = MANUFACTURER_INTEL,
 921                 .dev_id         = I28F800B3B,
 922                 .name           = "Intel 28F800B3B",
 923                 .devtypes       = CFI_DEVICETYPE_X16,
 924                 .uaddr          = MTD_UADDR_UNNECESSARY,
 925                 .dev_size       = SIZE_1MiB,
 926                 .cmd_set        = P_ID_INTEL_STD,
 927                 .nr_regions     = 2,
 928                 .regions        = {
 929                         ERASEINFO(0x02000, 8),
 930                         ERASEINFO(0x10000, 15),
 931                 }
 932         }, {
 933                 .mfr_id         = MANUFACTURER_INTEL,
 934                 .dev_id         = I28F800B3T,
 935                 .name           = "Intel 28F800B3T",
 936                 .devtypes       = CFI_DEVICETYPE_X16,
 937                 .uaddr          = MTD_UADDR_UNNECESSARY,
 938                 .dev_size       = SIZE_1MiB,
 939                 .cmd_set        = P_ID_INTEL_STD,
 940                 .nr_regions     = 2,
 941                 .regions        = {
 942                         ERASEINFO(0x10000, 15),
 943                         ERASEINFO(0x02000, 8),
 944                 }
 945         }, {
 946                 .mfr_id         = MANUFACTURER_INTEL,
 947                 .dev_id         = I28F016B3B,
 948                 .name           = "Intel 28F016B3B",
 949                 .devtypes       = CFI_DEVICETYPE_X8,
 950                 .uaddr          = MTD_UADDR_UNNECESSARY,
 951                 .dev_size       = SIZE_2MiB,
 952                 .cmd_set        = P_ID_INTEL_STD,
 953                 .nr_regions     = 2,
 954                 .regions        = {
 955                         ERASEINFO(0x02000, 8),
 956                         ERASEINFO(0x10000, 31),
 957                 }
 958         }, {
 959                 .mfr_id         = MANUFACTURER_INTEL,
 960                 .dev_id         = I28F016S3,
 961                 .name           = "Intel I28F016S3",
 962                 .devtypes       = CFI_DEVICETYPE_X8,
 963                 .uaddr          = MTD_UADDR_UNNECESSARY,
 964                 .dev_size       = SIZE_2MiB,
 965                 .cmd_set        = P_ID_INTEL_STD,
 966                 .nr_regions     = 1,
 967                 .regions        = {
 968                         ERASEINFO(0x10000, 32),
 969                 }
 970         }, {
 971                 .mfr_id         = MANUFACTURER_INTEL,
 972                 .dev_id         = I28F016B3T,
 973                 .name           = "Intel 28F016B3T",
 974                 .devtypes       = CFI_DEVICETYPE_X8,
 975                 .uaddr          = MTD_UADDR_UNNECESSARY,
 976                 .dev_size       = SIZE_2MiB,
 977                 .cmd_set        = P_ID_INTEL_STD,
 978                 .nr_regions     = 2,
 979                 .regions        = {
 980                         ERASEINFO(0x10000, 31),
 981                         ERASEINFO(0x02000, 8),
 982                 }
 983         }, {
 984                 .mfr_id         = MANUFACTURER_INTEL,
 985                 .dev_id         = I28F160B3B,
 986                 .name           = "Intel 28F160B3B",
 987                 .devtypes       = CFI_DEVICETYPE_X16,
 988                 .uaddr          = MTD_UADDR_UNNECESSARY,
 989                 .dev_size       = SIZE_2MiB,
 990                 .cmd_set        = P_ID_INTEL_STD,
 991                 .nr_regions     = 2,
 992                 .regions        = {
 993                         ERASEINFO(0x02000, 8),
 994                         ERASEINFO(0x10000, 31),
 995                 }
 996         }, {
 997                 .mfr_id         = MANUFACTURER_INTEL,
 998                 .dev_id         = I28F160B3T,
 999                 .name           = "Intel 28F160B3T",
1000                 .devtypes       = CFI_DEVICETYPE_X16,
1001                 .uaddr          = MTD_UADDR_UNNECESSARY,
1002                 .dev_size       = SIZE_2MiB,
1003                 .cmd_set        = P_ID_INTEL_STD,
1004                 .nr_regions     = 2,
1005                 .regions        = {
1006                         ERASEINFO(0x10000, 31),
1007                         ERASEINFO(0x02000, 8),
1008                 }
1009         }, {
1010                 .mfr_id         = MANUFACTURER_INTEL,
1011                 .dev_id         = I28F320B3B,
1012                 .name           = "Intel 28F320B3B",
1013                 .devtypes       = CFI_DEVICETYPE_X16,
1014                 .uaddr          = MTD_UADDR_UNNECESSARY,
1015                 .dev_size       = SIZE_4MiB,
1016                 .cmd_set        = P_ID_INTEL_STD,
1017                 .nr_regions     = 2,
1018                 .regions        = {
1019                         ERASEINFO(0x02000, 8),
1020                         ERASEINFO(0x10000, 63),
1021                 }
1022         }, {
1023                 .mfr_id         = MANUFACTURER_INTEL,
1024                 .dev_id         = I28F320B3T,
1025                 .name           = "Intel 28F320B3T",
1026                 .devtypes       = CFI_DEVICETYPE_X16,
1027                 .uaddr          = MTD_UADDR_UNNECESSARY,
1028                 .dev_size       = SIZE_4MiB,
1029                 .cmd_set        = P_ID_INTEL_STD,
1030                 .nr_regions     = 2,
1031                 .regions        = {
1032                         ERASEINFO(0x10000, 63),
1033                         ERASEINFO(0x02000, 8),
1034                 }
1035         }, {
1036                 .mfr_id         = MANUFACTURER_INTEL,
1037                 .dev_id         = I28F640B3B,
1038                 .name           = "Intel 28F640B3B",
1039                 .devtypes       = CFI_DEVICETYPE_X16,
1040                 .uaddr          = MTD_UADDR_UNNECESSARY,
1041                 .dev_size       = SIZE_8MiB,
1042                 .cmd_set        = P_ID_INTEL_STD,
1043                 .nr_regions     = 2,
1044                 .regions        = {
1045                         ERASEINFO(0x02000, 8),
1046                         ERASEINFO(0x10000, 127),
1047                 }
1048         }, {
1049                 .mfr_id         = MANUFACTURER_INTEL,
1050                 .dev_id         = I28F640B3T,
1051                 .name           = "Intel 28F640B3T",
1052                 .devtypes       = CFI_DEVICETYPE_X16,
1053                 .uaddr          = MTD_UADDR_UNNECESSARY,
1054                 .dev_size       = SIZE_8MiB,
1055                 .cmd_set        = P_ID_INTEL_STD,
1056                 .nr_regions     = 2,
1057                 .regions        = {
1058                         ERASEINFO(0x10000, 127),
1059                         ERASEINFO(0x02000, 8),
1060                 }
1061         }, {
1062                 .mfr_id         = MANUFACTURER_INTEL,
1063                 .dev_id         = I82802AB,
1064                 .name           = "Intel 82802AB",
1065                 .devtypes       = CFI_DEVICETYPE_X8,
1066                 .uaddr          = MTD_UADDR_UNNECESSARY,
1067                 .dev_size       = SIZE_512KiB,
1068                 .cmd_set        = P_ID_INTEL_EXT,
1069                 .nr_regions     = 1,
1070                 .regions        = {
1071                         ERASEINFO(0x10000,8),
1072                 }
1073         }, {
1074                 .mfr_id         = MANUFACTURER_INTEL,
1075                 .dev_id         = I82802AC,
1076                 .name           = "Intel 82802AC",
1077                 .devtypes       = CFI_DEVICETYPE_X8,
1078                 .uaddr          = MTD_UADDR_UNNECESSARY,
1079                 .dev_size       = SIZE_1MiB,
1080                 .cmd_set        = P_ID_INTEL_EXT,
1081                 .nr_regions     = 1,
1082                 .regions        = {
1083                         ERASEINFO(0x10000,16),
1084                 }
1085         }, {
1086                 .mfr_id         = MANUFACTURER_MACRONIX,
1087                 .dev_id         = MX29LV040C,
1088                 .name           = "Macronix MX29LV040C",
1089                 .devtypes       = CFI_DEVICETYPE_X8,
1090                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1091                 .dev_size       = SIZE_512KiB,
1092                 .cmd_set        = P_ID_AMD_STD,
1093                 .nr_regions     = 1,
1094                 .regions        = {
1095                         ERASEINFO(0x10000,8),
1096                 }
1097         }, {
1098                 .mfr_id         = MANUFACTURER_MACRONIX,
1099                 .dev_id         = MX29LV160T,
1100                 .name           = "MXIC MX29LV160T",
1101                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1102                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1103                 .dev_size       = SIZE_2MiB,
1104                 .cmd_set        = P_ID_AMD_STD,
1105                 .nr_regions     = 4,
1106                 .regions        = {
1107                         ERASEINFO(0x10000,31),
1108                         ERASEINFO(0x08000,1),
1109                         ERASEINFO(0x02000,2),
1110                         ERASEINFO(0x04000,1)
1111                 }
1112         }, {
1113                 .mfr_id         = MANUFACTURER_NEC,
1114                 .dev_id         = UPD29F064115,
1115                 .name           = "NEC uPD29F064115",
1116                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1117                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1118                 .dev_size       = SIZE_8MiB,
1119                 .cmd_set        = P_ID_AMD_STD,
1120                 .nr_regions     = 3,
1121                 .regions        = {
1122                         ERASEINFO(0x2000,8),
1123                         ERASEINFO(0x10000,126),
1124                         ERASEINFO(0x2000,8),
1125                 }
1126         }, {
1127                 .mfr_id         = MANUFACTURER_MACRONIX,
1128                 .dev_id         = MX29LV160B,
1129                 .name           = "MXIC MX29LV160B",
1130                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1131                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1132                 .dev_size       = SIZE_2MiB,
1133                 .cmd_set        = P_ID_AMD_STD,
1134                 .nr_regions     = 4,
1135                 .regions        = {
1136                         ERASEINFO(0x04000,1),
1137                         ERASEINFO(0x02000,2),
1138                         ERASEINFO(0x08000,1),
1139                         ERASEINFO(0x10000,31)
1140                 }
1141         }, {
1142                 .mfr_id         = MANUFACTURER_MACRONIX,
1143                 .dev_id         = MX29F040,
1144                 .name           = "Macronix MX29F040",
1145                 .devtypes       = CFI_DEVICETYPE_X8,
1146                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1147                 .dev_size       = SIZE_512KiB,
1148                 .cmd_set        = P_ID_AMD_STD,
1149                 .nr_regions     = 1,
1150                 .regions        = {
1151                         ERASEINFO(0x10000,8),
1152                 }
1153         }, {
1154                 .mfr_id         = MANUFACTURER_MACRONIX,
1155                 .dev_id         = MX29F016,
1156                 .name           = "Macronix MX29F016",
1157                 .devtypes       = CFI_DEVICETYPE_X8,
1158                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1159                 .dev_size       = SIZE_2MiB,
1160                 .cmd_set        = P_ID_AMD_STD,
1161                 .nr_regions     = 1,
1162                 .regions        = {
1163                         ERASEINFO(0x10000,32),
1164                 }
1165         }, {
1166                 .mfr_id         = MANUFACTURER_MACRONIX,
1167                 .dev_id         = MX29F004T,
1168                 .name           = "Macronix MX29F004T",
1169                 .devtypes       = CFI_DEVICETYPE_X8,
1170                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1171                 .dev_size       = SIZE_512KiB,
1172                 .cmd_set        = P_ID_AMD_STD,
1173                 .nr_regions     = 4,
1174                 .regions        = {
1175                         ERASEINFO(0x10000,7),
1176                         ERASEINFO(0x08000,1),
1177                         ERASEINFO(0x02000,2),
1178                         ERASEINFO(0x04000,1),
1179                 }
1180         }, {
1181                 .mfr_id         = MANUFACTURER_MACRONIX,
1182                 .dev_id         = MX29F004B,
1183                 .name           = "Macronix MX29F004B",
1184                 .devtypes       = CFI_DEVICETYPE_X8,
1185                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1186                 .dev_size       = SIZE_512KiB,
1187                 .cmd_set        = P_ID_AMD_STD,
1188                 .nr_regions     = 4,
1189                 .regions        = {
1190                         ERASEINFO(0x04000,1),
1191                         ERASEINFO(0x02000,2),
1192                         ERASEINFO(0x08000,1),
1193                         ERASEINFO(0x10000,7),
1194                 }
1195         }, {
1196                 .mfr_id         = MANUFACTURER_MACRONIX,
1197                 .dev_id         = MX29F002T,
1198                 .name           = "Macronix MX29F002T",
1199                 .devtypes       = CFI_DEVICETYPE_X8,
1200                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1201                 .dev_size       = SIZE_256KiB,
1202                 .cmd_set        = P_ID_AMD_STD,
1203                 .nr_regions     = 4,
1204                 .regions        = {
1205                         ERASEINFO(0x10000,3),
1206                         ERASEINFO(0x08000,1),
1207                         ERASEINFO(0x02000,2),
1208                         ERASEINFO(0x04000,1),
1209                 }
1210         }, {
1211                 .mfr_id         = MANUFACTURER_PMC,
1212                 .dev_id         = PM49FL002,
1213                 .name           = "PMC Pm49FL002",
1214                 .devtypes       = CFI_DEVICETYPE_X8,
1215                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1216                 .dev_size       = SIZE_256KiB,
1217                 .cmd_set        = P_ID_AMD_STD,
1218                 .nr_regions     = 1,
1219                 .regions        = {
1220                         ERASEINFO( 0x01000, 64 )
1221                 }
1222         }, {
1223                 .mfr_id         = MANUFACTURER_PMC,
1224                 .dev_id         = PM49FL004,
1225                 .name           = "PMC Pm49FL004",
1226                 .devtypes       = CFI_DEVICETYPE_X8,
1227                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1228                 .dev_size       = SIZE_512KiB,
1229                 .cmd_set        = P_ID_AMD_STD,
1230                 .nr_regions     = 1,
1231                 .regions        = {
1232                         ERASEINFO( 0x01000, 128 )
1233                 }
1234         }, {
1235                 .mfr_id         = MANUFACTURER_PMC,
1236                 .dev_id         = PM49FL008,
1237                 .name           = "PMC Pm49FL008",
1238                 .devtypes       = CFI_DEVICETYPE_X8,
1239                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1240                 .dev_size       = SIZE_1MiB,
1241                 .cmd_set        = P_ID_AMD_STD,
1242                 .nr_regions     = 1,
1243                 .regions        = {
1244                         ERASEINFO( 0x01000, 256 )
1245                 }
1246         }, {
1247                 .mfr_id         = MANUFACTURER_SHARP,
1248                 .dev_id         = LH28F640BF,
1249                 .name           = "LH28F640BF",
1250                 .devtypes       = CFI_DEVICETYPE_X8,
1251                 .uaddr          = MTD_UADDR_UNNECESSARY,
1252                 .dev_size       = SIZE_4MiB,
1253                 .cmd_set        = P_ID_INTEL_STD,
1254                 .nr_regions     = 1,
1255                 .regions        = {
1256                         ERASEINFO(0x40000,16),
1257                 }
1258         }, {
1259                 .mfr_id         = MANUFACTURER_SST,
1260                 .dev_id         = SST39LF512,
1261                 .name           = "SST 39LF512",
1262                 .devtypes       = CFI_DEVICETYPE_X8,
1263                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1264                 .dev_size       = SIZE_64KiB,
1265                 .cmd_set        = P_ID_AMD_STD,
1266                 .nr_regions     = 1,
1267                 .regions        = {
1268                         ERASEINFO(0x01000,16),
1269                 }
1270         }, {
1271                 .mfr_id         = MANUFACTURER_SST,
1272                 .dev_id         = SST39LF010,
1273                 .name           = "SST 39LF010",
1274                 .devtypes       = CFI_DEVICETYPE_X8,
1275                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1276                 .dev_size       = SIZE_128KiB,
1277                 .cmd_set        = P_ID_AMD_STD,
1278                 .nr_regions     = 1,
1279                 .regions        = {
1280                         ERASEINFO(0x01000,32),
1281                 }
1282         }, {
1283                 .mfr_id         = MANUFACTURER_SST,
1284                 .dev_id         = SST29EE020,
1285                 .name           = "SST 29EE020",
1286                 .devtypes       = CFI_DEVICETYPE_X8,
1287                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1288                 .dev_size       = SIZE_256KiB,
1289                 .cmd_set        = P_ID_SST_PAGE,
1290                 .nr_regions     = 1,
1291                 .regions = {ERASEINFO(0x01000,64),
1292                 }
1293         }, {
1294                 .mfr_id         = MANUFACTURER_SST,
1295                 .dev_id         = SST29LE020,
1296                 .name           = "SST 29LE020",
1297                 .devtypes       = CFI_DEVICETYPE_X8,
1298                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1299                 .dev_size       = SIZE_256KiB,
1300                 .cmd_set        = P_ID_SST_PAGE,
1301                 .nr_regions     = 1,
1302                 .regions = {ERASEINFO(0x01000,64),
1303                 }
1304         }, {
1305                 .mfr_id         = MANUFACTURER_SST,
1306                 .dev_id         = SST39LF020,
1307                 .name           = "SST 39LF020",
1308                 .devtypes       = CFI_DEVICETYPE_X8,
1309                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1310                 .dev_size       = SIZE_256KiB,
1311                 .cmd_set        = P_ID_AMD_STD,
1312                 .nr_regions     = 1,
1313                 .regions        = {
1314                         ERASEINFO(0x01000,64),
1315                 }
1316         }, {
1317                 .mfr_id         = MANUFACTURER_SST,
1318                 .dev_id         = SST39LF040,
1319                 .name           = "SST 39LF040",
1320                 .devtypes       = CFI_DEVICETYPE_X8,
1321                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1322                 .dev_size       = SIZE_512KiB,
1323                 .cmd_set        = P_ID_AMD_STD,
1324                 .nr_regions     = 1,
1325                 .regions        = {
1326                         ERASEINFO(0x01000,128),
1327                 }
1328         }, {
1329                 .mfr_id         = MANUFACTURER_SST,
1330                 .dev_id         = SST39SF010A,
1331                 .name           = "SST 39SF010A",
1332                 .devtypes       = CFI_DEVICETYPE_X8,
1333                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1334                 .dev_size       = SIZE_128KiB,
1335                 .cmd_set        = P_ID_AMD_STD,
1336                 .nr_regions     = 1,
1337                 .regions        = {
1338                         ERASEINFO(0x01000,32),
1339                 }
1340         }, {
1341                 .mfr_id         = MANUFACTURER_SST,
1342                 .dev_id         = SST39SF020A,
1343                 .name           = "SST 39SF020A",
1344                 .devtypes       = CFI_DEVICETYPE_X8,
1345                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1346                 .dev_size       = SIZE_256KiB,
1347                 .cmd_set        = P_ID_AMD_STD,
1348                 .nr_regions     = 1,
1349                 .regions        = {
1350                         ERASEINFO(0x01000,64),
1351                 }
1352         }, {
1353                 .mfr_id         = MANUFACTURER_SST,
1354                 .dev_id         = SST49LF040B,
1355                 .name           = "SST 49LF040B",
1356                 .devtypes       = CFI_DEVICETYPE_X8,
1357                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1358                 .dev_size       = SIZE_512KiB,
1359                 .cmd_set        = P_ID_AMD_STD,
1360                 .nr_regions     = 1,
1361                 .regions        = {
1362                         ERASEINFO(0x01000,128),
1363                 }
1364         }, {
1365
1366                 .mfr_id         = MANUFACTURER_SST,
1367                 .dev_id         = SST49LF004B,
1368                 .name           = "SST 49LF004B",
1369                 .devtypes       = CFI_DEVICETYPE_X8,
1370                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1371                 .dev_size       = SIZE_512KiB,
1372                 .cmd_set        = P_ID_AMD_STD,
1373                 .nr_regions     = 1,
1374                 .regions        = {
1375                         ERASEINFO(0x01000,128),
1376                 }
1377         }, {
1378                 .mfr_id         = MANUFACTURER_SST,
1379                 .dev_id         = SST49LF008A,
1380                 .name           = "SST 49LF008A",
1381                 .devtypes       = CFI_DEVICETYPE_X8,
1382                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1383                 .dev_size       = SIZE_1MiB,
1384                 .cmd_set        = P_ID_AMD_STD,
1385                 .nr_regions     = 1,
1386                 .regions        = {
1387                         ERASEINFO(0x01000,256),
1388                 }
1389         }, {
1390                 .mfr_id         = MANUFACTURER_SST,
1391                 .dev_id         = SST49LF030A,
1392                 .name           = "SST 49LF030A",
1393                 .devtypes       = CFI_DEVICETYPE_X8,
1394                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1395                 .dev_size       = SIZE_512KiB,
1396                 .cmd_set        = P_ID_AMD_STD,
1397                 .nr_regions     = 1,
1398                 .regions        = {
1399                         ERASEINFO(0x01000,96),
1400                 }
1401         }, {
1402                 .mfr_id         = MANUFACTURER_SST,
1403                 .dev_id         = SST49LF040A,
1404                 .name           = "SST 49LF040A",
1405                 .devtypes       = CFI_DEVICETYPE_X8,
1406                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1407                 .dev_size       = SIZE_512KiB,
1408                 .cmd_set        = P_ID_AMD_STD,
1409                 .nr_regions     = 1,
1410                 .regions        = {
1411                         ERASEINFO(0x01000,128),
1412                 }
1413         }, {
1414                 .mfr_id         = MANUFACTURER_SST,
1415                 .dev_id         = SST49LF080A,
1416                 .name           = "SST 49LF080A",
1417                 .devtypes       = CFI_DEVICETYPE_X8,
1418                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1419                 .dev_size       = SIZE_1MiB,
1420                 .cmd_set        = P_ID_AMD_STD,
1421                 .nr_regions     = 1,
1422                 .regions        = {
1423                         ERASEINFO(0x01000,256),
1424                 }
1425         }, {
1426                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1427                 .dev_id         = SST39LF160,
1428                 .name           = "SST 39LF160",
1429                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1430                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1431                 .dev_size       = SIZE_2MiB,
1432                 .cmd_set        = P_ID_AMD_STD,
1433                 .nr_regions     = 2,
1434                 .regions        = {
1435                         ERASEINFO(0x1000,256),
1436                         ERASEINFO(0x1000,256)
1437                 }
1438         }, {
1439                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1440                 .dev_id         = SST39VF1601,
1441                 .name           = "SST 39VF1601",
1442                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1443                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1444                 .dev_size       = SIZE_2MiB,
1445                 .cmd_set        = P_ID_AMD_STD,
1446                 .nr_regions     = 2,
1447                 .regions        = {
1448                         ERASEINFO(0x1000,256),
1449                         ERASEINFO(0x1000,256)
1450                 }
1451         }, {
1452                 .mfr_id         = MANUFACTURER_SST,
1453                 .dev_id         = SST36VF3203,
1454                 .name           = "SST 36VF3203",
1455                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1456                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1457                 .dev_size       = SIZE_4MiB,
1458                 .cmd_set        = P_ID_AMD_STD,
1459                 .nr_regions     = 1,
1460                 .regions        = {
1461                         ERASEINFO(0x10000,64),
1462                 }
1463         }, {
1464                 .mfr_id         = MANUFACTURER_ST,
1465                 .dev_id         = M29F800AB,
1466                 .name           = "ST M29F800AB",
1467                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1468                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1469                 .dev_size       = SIZE_1MiB,
1470                 .cmd_set        = P_ID_AMD_STD,
1471                 .nr_regions     = 4,
1472                 .regions        = {
1473                         ERASEINFO(0x04000,1),
1474                         ERASEINFO(0x02000,2),
1475                         ERASEINFO(0x08000,1),
1476                         ERASEINFO(0x10000,15),
1477                 }
1478         }, {
1479                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1480                 .dev_id         = M29W800DT,
1481                 .name           = "ST M29W800DT",
1482                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1483                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1484                 .dev_size       = SIZE_1MiB,
1485                 .cmd_set        = P_ID_AMD_STD,
1486                 .nr_regions     = 4,
1487                 .regions        = {
1488                         ERASEINFO(0x10000,15),
1489                         ERASEINFO(0x08000,1),
1490                         ERASEINFO(0x02000,2),
1491                         ERASEINFO(0x04000,1)
1492                 }
1493         }, {
1494                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1495                 .dev_id         = M29W800DB,
1496                 .name           = "ST M29W800DB",
1497                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1498                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1499                 .dev_size       = SIZE_1MiB,
1500                 .cmd_set        = P_ID_AMD_STD,
1501                 .nr_regions     = 4,
1502                 .regions        = {
1503                         ERASEINFO(0x04000,1),
1504                         ERASEINFO(0x02000,2),
1505                         ERASEINFO(0x08000,1),
1506                         ERASEINFO(0x10000,15)
1507                 }
1508         },  {
1509                 .mfr_id         = MANUFACTURER_ST,
1510                 .dev_id         = M29W400DT,
1511                 .name           = "ST M29W400DT",
1512                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1513                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1514                 .dev_size       = SIZE_512KiB,
1515                 .cmd_set        = P_ID_AMD_STD,
1516                 .nr_regions     = 4,
1517                 .regions        = {
1518                         ERASEINFO(0x04000,7),
1519                         ERASEINFO(0x02000,1),
1520                         ERASEINFO(0x08000,2),
1521                         ERASEINFO(0x10000,1)
1522                 }
1523         }, {
1524                 .mfr_id         = MANUFACTURER_ST,
1525                 .dev_id         = M29W400DB,
1526                 .name           = "ST M29W400DB",
1527                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1528                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1529                 .dev_size       = SIZE_512KiB,
1530                 .cmd_set        = P_ID_AMD_STD,
1531                 .nr_regions     = 4,
1532                 .regions        = {
1533                         ERASEINFO(0x04000,1),
1534                         ERASEINFO(0x02000,2),
1535                         ERASEINFO(0x08000,1),
1536                         ERASEINFO(0x10000,7)
1537                 }
1538         }, {
1539                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1540                 .dev_id         = M29W160DT,
1541                 .name           = "ST M29W160DT",
1542                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1543                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1544                 .dev_size       = SIZE_2MiB,
1545                 .cmd_set        = P_ID_AMD_STD,
1546                 .nr_regions     = 4,
1547                 .regions        = {
1548                         ERASEINFO(0x10000,31),
1549                         ERASEINFO(0x08000,1),
1550                         ERASEINFO(0x02000,2),
1551                         ERASEINFO(0x04000,1)
1552                 }
1553         }, {
1554                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1555                 .dev_id         = M29W160DB,
1556                 .name           = "ST M29W160DB",
1557                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1558                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1559                 .dev_size       = SIZE_2MiB,
1560                 .cmd_set        = P_ID_AMD_STD,
1561                 .nr_regions     = 4,
1562                 .regions        = {
1563                         ERASEINFO(0x04000,1),
1564                         ERASEINFO(0x02000,2),
1565                         ERASEINFO(0x08000,1),
1566                         ERASEINFO(0x10000,31)
1567                 }
1568         }, {
1569                 .mfr_id         = MANUFACTURER_ST,
1570                 .dev_id         = M29W040B,
1571                 .name           = "ST M29W040B",
1572                 .devtypes       = CFI_DEVICETYPE_X8,
1573                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1574                 .dev_size       = SIZE_512KiB,
1575                 .cmd_set        = P_ID_AMD_STD,
1576                 .nr_regions     = 1,
1577                 .regions        = {
1578                         ERASEINFO(0x10000,8),
1579                 }
1580         }, {
1581                 .mfr_id         = MANUFACTURER_ST,
1582                 .dev_id         = M50FW040,
1583                 .name           = "ST M50FW040",
1584                 .devtypes       = CFI_DEVICETYPE_X8,
1585                 .uaddr          = MTD_UADDR_UNNECESSARY,
1586                 .dev_size       = SIZE_512KiB,
1587                 .cmd_set        = P_ID_INTEL_EXT,
1588                 .nr_regions     = 1,
1589                 .regions        = {
1590                         ERASEINFO(0x10000,8),
1591                 }
1592         }, {
1593                 .mfr_id         = MANUFACTURER_ST,
1594                 .dev_id         = M50FW080,
1595                 .name           = "ST M50FW080",
1596                 .devtypes       = CFI_DEVICETYPE_X8,
1597                 .uaddr          = MTD_UADDR_UNNECESSARY,
1598                 .dev_size       = SIZE_1MiB,
1599                 .cmd_set        = P_ID_INTEL_EXT,
1600                 .nr_regions     = 1,
1601                 .regions        = {
1602                         ERASEINFO(0x10000,16),
1603                 }
1604         }, {
1605                 .mfr_id         = MANUFACTURER_ST,
1606                 .dev_id         = M50FW016,
1607                 .name           = "ST M50FW016",
1608                 .devtypes       = CFI_DEVICETYPE_X8,
1609                 .uaddr          = MTD_UADDR_UNNECESSARY,
1610                 .dev_size       = SIZE_2MiB,
1611                 .cmd_set        = P_ID_INTEL_EXT,
1612                 .nr_regions     = 1,
1613                 .regions        = {
1614                         ERASEINFO(0x10000,32),
1615                 }
1616         }, {
1617                 .mfr_id         = MANUFACTURER_ST,
1618                 .dev_id         = M50LPW080,
1619                 .name           = "ST M50LPW080",
1620                 .devtypes       = CFI_DEVICETYPE_X8,
1621                 .uaddr          = MTD_UADDR_UNNECESSARY,
1622                 .dev_size       = SIZE_1MiB,
1623                 .cmd_set        = P_ID_INTEL_EXT,
1624                 .nr_regions     = 1,
1625                 .regions        = {
1626                         ERASEINFO(0x10000,16),
1627                 },
1628         }, {
1629                 .mfr_id         = MANUFACTURER_ST,
1630                 .dev_id         = M50FLW080A,
1631                 .name           = "ST M50FLW080A",
1632                 .devtypes       = CFI_DEVICETYPE_X8,
1633                 .uaddr          = MTD_UADDR_UNNECESSARY,
1634                 .dev_size       = SIZE_1MiB,
1635                 .cmd_set        = P_ID_INTEL_EXT,
1636                 .nr_regions     = 4,
1637                 .regions        = {
1638                         ERASEINFO(0x1000,16),
1639                         ERASEINFO(0x10000,13),
1640                         ERASEINFO(0x1000,16),
1641                         ERASEINFO(0x1000,16),
1642                 }
1643         }, {
1644                 .mfr_id         = MANUFACTURER_ST,
1645                 .dev_id         = M50FLW080B,
1646                 .name           = "ST M50FLW080B",
1647                 .devtypes       = CFI_DEVICETYPE_X8,
1648                 .uaddr          = MTD_UADDR_UNNECESSARY,
1649                 .dev_size       = SIZE_1MiB,
1650                 .cmd_set        = P_ID_INTEL_EXT,
1651                 .nr_regions     = 4,
1652                 .regions        = {
1653                         ERASEINFO(0x1000,16),
1654                         ERASEINFO(0x1000,16),
1655                         ERASEINFO(0x10000,13),
1656                         ERASEINFO(0x1000,16),
1657                 }
1658         }, {
1659                 .mfr_id         = MANUFACTURER_TOSHIBA,
1660                 .dev_id         = TC58FVT160,
1661                 .name           = "Toshiba TC58FVT160",
1662                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1663                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1664                 .dev_size       = SIZE_2MiB,
1665                 .cmd_set        = P_ID_AMD_STD,
1666                 .nr_regions     = 4,
1667                 .regions        = {
1668                         ERASEINFO(0x10000,31),
1669                         ERASEINFO(0x08000,1),
1670                         ERASEINFO(0x02000,2),
1671                         ERASEINFO(0x04000,1)
1672                 }
1673         }, {
1674                 .mfr_id         = MANUFACTURER_TOSHIBA,
1675                 .dev_id         = TC58FVB160,
1676                 .name           = "Toshiba TC58FVB160",
1677                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1678                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1679                 .dev_size       = SIZE_2MiB,
1680                 .cmd_set        = P_ID_AMD_STD,
1681                 .nr_regions     = 4,
1682                 .regions        = {
1683                         ERASEINFO(0x04000,1),
1684                         ERASEINFO(0x02000,2),
1685                         ERASEINFO(0x08000,1),
1686                         ERASEINFO(0x10000,31)
1687                 }
1688         }, {
1689                 .mfr_id         = MANUFACTURER_TOSHIBA,
1690                 .dev_id         = TC58FVB321,
1691                 .name           = "Toshiba TC58FVB321",
1692                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1693                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1694                 .dev_size       = SIZE_4MiB,
1695                 .cmd_set        = P_ID_AMD_STD,
1696                 .nr_regions     = 2,
1697                 .regions        = {
1698                         ERASEINFO(0x02000,8),
1699                         ERASEINFO(0x10000,63)
1700                 }
1701         }, {
1702                 .mfr_id         = MANUFACTURER_TOSHIBA,
1703                 .dev_id         = TC58FVT321,
1704                 .name           = "Toshiba TC58FVT321",
1705                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1706                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1707                 .dev_size       = SIZE_4MiB,
1708                 .cmd_set        = P_ID_AMD_STD,
1709                 .nr_regions     = 2,
1710                 .regions        = {
1711                         ERASEINFO(0x10000,63),
1712                         ERASEINFO(0x02000,8)
1713                 }
1714         }, {
1715                 .mfr_id         = MANUFACTURER_TOSHIBA,
1716                 .dev_id         = TC58FVB641,
1717                 .name           = "Toshiba TC58FVB641",
1718                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1719                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1720                 .dev_size       = SIZE_8MiB,
1721                 .cmd_set        = P_ID_AMD_STD,
1722                 .nr_regions     = 2,
1723                 .regions        = {
1724                         ERASEINFO(0x02000,8),
1725                         ERASEINFO(0x10000,127)
1726                 }
1727         }, {
1728                 .mfr_id         = MANUFACTURER_TOSHIBA,
1729                 .dev_id         = TC58FVT641,
1730                 .name           = "Toshiba TC58FVT641",
1731                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1732                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1733                 .dev_size       = SIZE_8MiB,
1734                 .cmd_set        = P_ID_AMD_STD,
1735                 .nr_regions     = 2,
1736                 .regions        = {
1737                         ERASEINFO(0x10000,127),
1738                         ERASEINFO(0x02000,8)
1739                 }
1740         }, {
1741                 .mfr_id         = MANUFACTURER_WINBOND,
1742                 .dev_id         = W49V002A,
1743                 .name           = "Winbond W49V002A",
1744                 .devtypes       = CFI_DEVICETYPE_X8,
1745                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1746                 .dev_size       = SIZE_256KiB,
1747                 .cmd_set        = P_ID_AMD_STD,
1748                 .nr_regions     = 4,
1749                 .regions        = {
1750                         ERASEINFO(0x10000, 3),
1751                         ERASEINFO(0x08000, 1),
1752                         ERASEINFO(0x02000, 2),
1753                         ERASEINFO(0x04000, 1),
1754                 }
1755         }
1756 };
1757
1758 static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1759         struct cfi_private *cfi)
1760 {
1761         map_word result;
1762         unsigned long mask;
1763         u32 ofs = cfi_build_cmd_addr(0, cfi_interleave(cfi), cfi->device_type);
1764         mask = (1 << (cfi->device_type * 8)) -1;
1765         result = map_read(map, base + ofs);
1766         return result.x[0] & mask;
1767 }
1768
1769 static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1770         struct cfi_private *cfi)
1771 {
1772         map_word result;
1773         unsigned long mask;
1774         u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type);
1775         mask = (1 << (cfi->device_type * 8)) -1;
1776         result = map_read(map, base + ofs);
1777         return result.x[0] & mask;
1778 }
1779
1780 static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi)
1781 {
1782         /* Reset */
1783
1784         /* after checking the datasheets for SST, MACRONIX and ATMEL
1785          * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1786          * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1787          * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1788          * as they will ignore the writes and dont care what address
1789          * the F0 is written to */
1790         if (cfi->addr_unlock1) {
1791                 DEBUG( MTD_DEBUG_LEVEL3,
1792                        "reset unlock called %x %x \n",
1793                        cfi->addr_unlock1,cfi->addr_unlock2);
1794                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1795                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1796         }
1797
1798         cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1799         /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1800          * so ensure we're in read mode.  Send both the Intel and the AMD command
1801          * for this.  Intel uses 0xff for this, AMD uses 0xff for NOP, so
1802          * this should be safe.
1803          */
1804         cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1805         /* FIXME - should have reset delay before continuing */
1806 }
1807
1808
1809 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1810 {
1811         int i,num_erase_regions;
1812         uint8_t uaddr;
1813
1814         if (! (jedec_table[index].devtypes & p_cfi->device_type)) {
1815                 DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n",
1816                       jedec_table[index].name, 4 * (1<<p_cfi->device_type));
1817                 return 0;
1818         }
1819
1820         printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1821
1822         num_erase_regions = jedec_table[index].nr_regions;
1823
1824         p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1825         if (!p_cfi->cfiq) {
1826                 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1827                 return 0;
1828         }
1829
1830         memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1831
1832         p_cfi->cfiq->P_ID = jedec_table[index].cmd_set;
1833         p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions;
1834         p_cfi->cfiq->DevSize = jedec_table[index].dev_size;
1835         p_cfi->cfi_mode = CFI_MODE_JEDEC;
1836
1837         for (i=0; i<num_erase_regions; i++){
1838                 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1839         }
1840         p_cfi->cmdset_priv = NULL;
1841
1842         /* This may be redundant for some cases, but it doesn't hurt */
1843         p_cfi->mfr = jedec_table[index].mfr_id;
1844         p_cfi->id = jedec_table[index].dev_id;
1845
1846         uaddr = jedec_table[index].uaddr;
1847
1848         /* The table has unlock addresses in _bytes_, and we try not to let
1849            our brains explode when we see the datasheets talking about address
1850            lines numbered from A-1 to A18. The CFI table has unlock addresses
1851            in device-words according to the mode the device is connected in */
1852         p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type;
1853         p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type;
1854
1855         return 1;       /* ok */
1856 }
1857
1858
1859 /*
1860  * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1861  * the mapped address, unlock addresses, and proper chip ID.  This function
1862  * attempts to minimize errors.  It is doubtfull that this probe will ever
1863  * be perfect - consequently there should be some module parameters that
1864  * could be manually specified to force the chip info.
1865  */
1866 static inline int jedec_match( uint32_t base,
1867                                struct map_info *map,
1868                                struct cfi_private *cfi,
1869                                const struct amd_flash_info *finfo )
1870 {
1871         int rc = 0;           /* failure until all tests pass */
1872         u32 mfr, id;
1873         uint8_t uaddr;
1874
1875         /*
1876          * The IDs must match.  For X16 and X32 devices operating in
1877          * a lower width ( X8 or X16 ), the device ID's are usually just
1878          * the lower byte(s) of the larger device ID for wider mode.  If
1879          * a part is found that doesn't fit this assumption (device id for
1880          * smaller width mode is completely unrealated to full-width mode)
1881          * then the jedec_table[] will have to be augmented with the IDs
1882          * for different widths.
1883          */
1884         switch (cfi->device_type) {
1885         case CFI_DEVICETYPE_X8:
1886                 mfr = (uint8_t)finfo->mfr_id;
1887                 id = (uint8_t)finfo->dev_id;
1888
1889                 /* bjd: it seems that if we do this, we can end up
1890                  * detecting 16bit flashes as an 8bit device, even though
1891                  * there aren't.
1892                  */
1893                 if (finfo->dev_id > 0xff) {
1894                         DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1895                                __func__);
1896                         goto match_done;
1897                 }
1898                 break;
1899         case CFI_DEVICETYPE_X16:
1900                 mfr = (uint16_t)finfo->mfr_id;
1901                 id = (uint16_t)finfo->dev_id;
1902                 break;
1903         case CFI_DEVICETYPE_X32:
1904                 mfr = (uint16_t)finfo->mfr_id;
1905                 id = (uint32_t)finfo->dev_id;
1906                 break;
1907         default:
1908                 printk(KERN_WARNING
1909                        "MTD %s(): Unsupported device type %d\n",
1910                        __func__, cfi->device_type);
1911                 goto match_done;
1912         }
1913         if ( cfi->mfr != mfr || cfi->id != id ) {
1914                 goto match_done;
1915         }
1916
1917         /* the part size must fit in the memory window */
1918         DEBUG( MTD_DEBUG_LEVEL3,
1919                "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1920                __func__, base, 1 << finfo->dev_size, base + (1 << finfo->dev_size) );
1921         if ( base + cfi_interleave(cfi) * ( 1 << finfo->dev_size ) > map->size ) {
1922                 DEBUG( MTD_DEBUG_LEVEL3,
1923                        "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1924                        __func__, finfo->mfr_id, finfo->dev_id,
1925                        1 << finfo->dev_size );
1926                 goto match_done;
1927         }
1928
1929         if (! (finfo->devtypes & cfi->device_type))
1930                 goto match_done;
1931
1932         uaddr = finfo->uaddr;
1933
1934         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
1935                __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
1936         if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
1937              && ( unlock_addrs[uaddr].addr1 / cfi->device_type != cfi->addr_unlock1 ||
1938                   unlock_addrs[uaddr].addr2 / cfi->device_type != cfi->addr_unlock2 ) ) {
1939                 DEBUG( MTD_DEBUG_LEVEL3,
1940                         "MTD %s(): 0x%.4x 0x%.4x did not match\n",
1941                         __func__,
1942                         unlock_addrs[uaddr].addr1,
1943                         unlock_addrs[uaddr].addr2);
1944                 goto match_done;
1945         }
1946
1947         /*
1948          * Make sure the ID's dissappear when the device is taken out of
1949          * ID mode.  The only time this should fail when it should succeed
1950          * is when the ID's are written as data to the same
1951          * addresses.  For this rare and unfortunate case the chip
1952          * cannot be probed correctly.
1953          * FIXME - write a driver that takes all of the chip info as
1954          * module parameters, doesn't probe but forces a load.
1955          */
1956         DEBUG( MTD_DEBUG_LEVEL3,
1957                "MTD %s(): check ID's disappear when not in ID mode\n",
1958                __func__ );
1959         jedec_reset( base, map, cfi );
1960         mfr = jedec_read_mfr( map, base, cfi );
1961         id = jedec_read_id( map, base, cfi );
1962         if ( mfr == cfi->mfr && id == cfi->id ) {
1963                 DEBUG( MTD_DEBUG_LEVEL3,
1964                        "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
1965                        "You might need to manually specify JEDEC parameters.\n",
1966                         __func__, cfi->mfr, cfi->id );
1967                 goto match_done;
1968         }
1969
1970         /* all tests passed - mark  as success */
1971         rc = 1;
1972
1973         /*
1974          * Put the device back in ID mode - only need to do this if we
1975          * were truly frobbing a real device.
1976          */
1977         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
1978         if (cfi->addr_unlock1) {
1979                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1980                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1981         }
1982         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1983         /* FIXME - should have a delay before continuing */
1984
1985  match_done:
1986         return rc;
1987 }
1988
1989
1990 static int jedec_probe_chip(struct map_info *map, __u32 base,
1991                             unsigned long *chip_map, struct cfi_private *cfi)
1992 {
1993         int i;
1994         enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
1995         u32 probe_offset1, probe_offset2;
1996
1997  retry:
1998         if (!cfi->numchips) {
1999                 uaddr_idx++;
2000
2001                 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2002                         return 0;
2003
2004                 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1 / cfi->device_type;
2005                 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2 / cfi->device_type;
2006         }
2007
2008         /* Make certain we aren't probing past the end of map */
2009         if (base >= map->size) {
2010                 printk(KERN_NOTICE
2011                         "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2012                         base, map->size -1);
2013                 return 0;
2014
2015         }
2016         /* Ensure the unlock addresses we try stay inside the map */
2017         probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, cfi_interleave(cfi), cfi->device_type);
2018         probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, cfi_interleave(cfi), cfi->device_type);
2019         if (    ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2020                 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2021                 goto retry;
2022
2023         /* Reset */
2024         jedec_reset(base, map, cfi);
2025
2026         /* Autoselect Mode */
2027         if(cfi->addr_unlock1) {
2028                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2029                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2030         }
2031         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2032         /* FIXME - should have a delay before continuing */
2033
2034         if (!cfi->numchips) {
2035                 /* This is the first time we're called. Set up the CFI
2036                    stuff accordingly and return */
2037
2038                 cfi->mfr = jedec_read_mfr(map, base, cfi);
2039                 cfi->id = jedec_read_id(map, base, cfi);
2040                 DEBUG(MTD_DEBUG_LEVEL3,
2041                       "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2042                         cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2043                 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
2044                         if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
2045                                 DEBUG( MTD_DEBUG_LEVEL3,
2046                                        "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2047                                        __func__, cfi->mfr, cfi->id,
2048                                        cfi->addr_unlock1, cfi->addr_unlock2 );
2049                                 if (!cfi_jedec_setup(cfi, i))
2050                                         return 0;
2051                                 goto ok_out;
2052                         }
2053                 }
2054                 goto retry;
2055         } else {
2056                 uint16_t mfr;
2057                 uint16_t id;
2058
2059                 /* Make sure it is a chip of the same manufacturer and id */
2060                 mfr = jedec_read_mfr(map, base, cfi);
2061                 id = jedec_read_id(map, base, cfi);
2062
2063                 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2064                         printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2065                                map->name, mfr, id, base);
2066                         jedec_reset(base, map, cfi);
2067                         return 0;
2068                 }
2069         }
2070
2071         /* Check each previous chip locations to see if it's an alias */
2072         for (i=0; i < (base >> cfi->chipshift); i++) {
2073                 unsigned long start;
2074                 if(!test_bit(i, chip_map)) {
2075                         continue; /* Skip location; no valid chip at this address */
2076                 }
2077                 start = i << cfi->chipshift;
2078                 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2079                     jedec_read_id(map, start, cfi) == cfi->id) {
2080                         /* Eep. This chip also looks like it's in autoselect mode.
2081                            Is it an alias for the new one? */
2082                         jedec_reset(start, map, cfi);
2083
2084                         /* If the device IDs go away, it's an alias */
2085                         if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2086                             jedec_read_id(map, base, cfi) != cfi->id) {
2087                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2088                                        map->name, base, start);
2089                                 return 0;
2090                         }
2091
2092                         /* Yes, it's actually got the device IDs as data. Most
2093                          * unfortunate. Stick the new chip in read mode
2094                          * too and if it's the same, assume it's an alias. */
2095                         /* FIXME: Use other modes to do a proper check */
2096                         jedec_reset(base, map, cfi);
2097                         if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2098                             jedec_read_id(map, base, cfi) == cfi->id) {
2099                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2100                                        map->name, base, start);
2101                                 return 0;
2102                         }
2103                 }
2104         }
2105
2106         /* OK, if we got to here, then none of the previous chips appear to
2107            be aliases for the current one. */
2108         set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2109         cfi->numchips++;
2110
2111 ok_out:
2112         /* Put it back into Read Mode */
2113         jedec_reset(base, map, cfi);
2114
2115         printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2116                map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2117                map->bankwidth*8);
2118
2119         return 1;
2120 }
2121
2122 static struct chip_probe jedec_chip_probe = {
2123         .name = "JEDEC",
2124         .probe_chip = jedec_probe_chip
2125 };
2126
2127 static struct mtd_info *jedec_probe(struct map_info *map)
2128 {
2129         /*
2130          * Just use the generic probe stuff to call our CFI-specific
2131          * chip_probe routine in all the possible permutations, etc.
2132          */
2133         return mtd_do_chip_probe(map, &jedec_chip_probe);
2134 }
2135
2136 static struct mtd_chip_driver jedec_chipdrv = {
2137         .probe  = jedec_probe,
2138         .name   = "jedec_probe",
2139         .module = THIS_MODULE
2140 };
2141
2142 static int __init jedec_probe_init(void)
2143 {
2144         register_mtd_chip_driver(&jedec_chipdrv);
2145         return 0;
2146 }
2147
2148 static void __exit jedec_probe_exit(void)
2149 {
2150         unregister_mtd_chip_driver(&jedec_chipdrv);
2151 }
2152
2153 module_init(jedec_probe_init);
2154 module_exit(jedec_probe_exit);
2155
2156 MODULE_LICENSE("GPL");
2157 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2158 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");