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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_EON        0x001c
  30 #define MANUFACTURER_FUJITSU    0x0004
  31 #define MANUFACTURER_HYUNDAI    0x00AD
  32 #define MANUFACTURER_INTEL      0x0089
  33 #define MANUFACTURER_MACRONIX   0x00C2
  34 #define MANUFACTURER_NEC        0x0010
  35 #define MANUFACTURER_PMC        0x009D
  36 #define MANUFACTURER_SHARP      0x00b0
  37 #define MANUFACTURER_SST        0x00BF
  38 #define MANUFACTURER_ST         0x0020
  39 #define MANUFACTURER_TOSHIBA    0x0098
  40 #define MANUFACTURER_WINBOND    0x00da
  41 #define CONTINUATION_CODE       0x007f
  42
  43
  44 /* AMD */
  45 #define AM29DL800BB     0x22C8
  46 #define AM29DL800BT     0x224A
  47
  48 #define AM29F800BB      0x2258
  49 #define AM29F800BT      0x22D6
  50 #define AM29LV400BB     0x22BA
  51 #define AM29LV400BT     0x22B9
  52 #define AM29LV800BB     0x225B
  53 #define AM29LV800BT     0x22DA
  54 #define AM29LV160DT     0x22C4
  55 #define AM29LV160DB     0x2249
  56 #define AM29F017D       0x003D
  57 #define AM29F016D       0x00AD
  58 #define AM29F080        0x00D5
  59 #define AM29F040        0x00A4
  60 #define AM29LV040B      0x004F
  61 #define AM29F032B       0x0041
  62 #define AM29F002T       0x00B0
  63 #define AM29SL800DB     0x226B
  64 #define AM29SL800DT     0x22EA
  65
  66 /* Atmel */
  67 #define AT49BV512       0x0003
  68 #define AT29LV512       0x003d
  69 #define AT49BV16X       0x00C0
  70 #define AT49BV16XT      0x00C2
  71 #define AT49BV32X       0x00C8
  72 #define AT49BV32XT      0x00C9
  73
  74 /* Eon */
  75 #define EN29SL800BB     0x226B
  76 #define EN29SL800BT     0x22EA
  77
  78 /* Fujitsu */
  79 #define MBM29F040C      0x00A4
  80 #define MBM29F800BA     0x2258
  81 #define MBM29LV650UE    0x22D7
  82 #define MBM29LV320TE    0x22F6
  83 #define MBM29LV320BE    0x22F9
  84 #define MBM29LV160TE    0x22C4
  85 #define MBM29LV160BE    0x2249
  86 #define MBM29LV800BA    0x225B
  87 #define MBM29LV800TA    0x22DA
  88 #define MBM29LV400TC    0x22B9
  89 #define MBM29LV400BC    0x22BA
  90
  91 /* Hyundai */
  92 #define HY29F002T       0x00B0
  93
  94 /* Intel */
  95 #define I28F004B3T      0x00d4
  96 #define I28F004B3B      0x00d5
  97 #define I28F400B3T      0x8894
  98 #define I28F400B3B      0x8895
  99 #define I28F008S5       0x00a6
 100 #define I28F016S5       0x00a0
 101 #define I28F008SA       0x00a2
 102 #define I28F008B3T      0x00d2
 103 #define I28F008B3B      0x00d3
 104 #define I28F800B3T      0x8892
 105 #define I28F800B3B      0x8893
 106 #define I28F016S3       0x00aa
 107 #define I28F016B3T      0x00d0
 108 #define I28F016B3B      0x00d1
 109 #define I28F160B3T      0x8890
 110 #define I28F160B3B      0x8891
 111 #define I28F320B3T      0x8896
 112 #define I28F320B3B      0x8897
 113 #define I28F640B3T      0x8898
 114 #define I28F640B3B      0x8899
 115 #define I82802AB        0x00ad
 116 #define I82802AC        0x00ac
 117
 118 /* Macronix */
 119 #define MX29LV040C      0x004F
 120 #define MX29LV160T      0x22C4
 121 #define MX29LV160B      0x2249
 122 #define MX29F040        0x00A4
 123 #define MX29F016        0x00AD
 124 #define MX29F002T       0x00B0
 125 #define MX29F004T       0x0045
 126 #define MX29F004B       0x0046
 127
 128 /* NEC */
 129 #define UPD29F064115    0x221C
 130
 131 /* PMC */
 132 #define PM49FL002       0x006D
 133 #define PM49FL004       0x006E
 134 #define PM49FL008       0x006A
 135
 136 /* Sharp */
 137 #define LH28F640BF      0x00b0
 138
 139 /* ST - www.st.com */
 140 #define M29F800AB       0x0058
 141 #define M29W800DT       0x00D7
 142 #define M29W800DB       0x005B
 143 #define M29W400DT       0x00EE
 144 #define M29W400DB       0x00EF
 145 #define M29W160DT       0x22C4
 146 #define M29W160DB       0x2249
 147 #define M29W040B        0x00E3
 148 #define M50FW040        0x002C
 149 #define M50FW080        0x002D
 150 #define M50FW016        0x002E
 151 #define M50LPW080       0x002F
 152 #define M50FLW080A      0x0080
 153 #define M50FLW080B      0x0081
 154
 155 /* SST */
 156 #define SST29EE020      0x0010
 157 #define SST29LE020      0x0012
 158 #define SST29EE512      0x005d
 159 #define SST29LE512      0x003d
 160 #define SST39LF800      0x2781
 161 #define SST39LF160      0x2782
 162 #define SST39VF1601     0x234b
 163 #define SST39LF512      0x00D4
 164 #define SST39LF010      0x00D5
 165 #define SST39LF020      0x00D6
 166 #define SST39LF040      0x00D7
 167 #define SST39SF010A     0x00B5
 168 #define SST39SF020A     0x00B6
 169 #define SST49LF004B     0x0060
 170 #define SST49LF040B     0x0050
 171 #define SST49LF008A     0x005a
 172 #define SST49LF030A     0x001C
 173 #define SST49LF040A     0x0051
 174 #define SST49LF080A     0x005B
 175 #define SST36VF3203     0x7354
 176
 177 /* Toshiba */
 178 #define TC58FVT160      0x00C2
 179 #define TC58FVB160      0x0043
 180 #define TC58FVT321      0x009A
 181 #define TC58FVB321      0x009C
 182 #define TC58FVT641      0x0093
 183 #define TC58FVB641      0x0095
 184
 185 /* Winbond */
 186 #define W49V002A        0x00b0
 187
 188
 189 /*
 190  * Unlock address sets for AMD command sets.
 191  * Intel command sets use the MTD_UADDR_UNNECESSARY.
 192  * Each identifier, except MTD_UADDR_UNNECESSARY, and
 193  * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
 194  * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
 195  * initialization need not require initializing all of the
 196  * unlock addresses for all bit widths.
 197  */
 198 enum uaddr {
 199         MTD_UADDR_NOT_SUPPORTED = 0,    /* data width not supported */
 200         MTD_UADDR_0x0555_0x02AA,
 201         MTD_UADDR_0x0555_0x0AAA,
 202         MTD_UADDR_0x5555_0x2AAA,
 203         MTD_UADDR_0x0AAA_0x0555,
 204         MTD_UADDR_DONT_CARE,            /* Requires an arbitrary address */
 205         MTD_UADDR_UNNECESSARY,          /* Does not require any address */
 206 };
 207
 208
 209 struct unlock_addr {
 210         uint32_t addr1;
 211         uint32_t addr2;
 212 };
 213
 214
 215 /*
 216  * I don't like the fact that the first entry in unlock_addrs[]
 217  * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
 218  * should not be used.  The  problem is that structures with
 219  * initializers have extra fields initialized to 0.  It is _very_
 220  * desireable to have the unlock address entries for unsupported
 221  * data widths automatically initialized - that means that
 222  * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
 223  * must go unused.
 224  */
 225 static const struct unlock_addr  unlock_addrs[] = {
 226         [MTD_UADDR_NOT_SUPPORTED] = {
 227                 .addr1 = 0xffff,
 228                 .addr2 = 0xffff
 229         },
 230
 231         [MTD_UADDR_0x0555_0x02AA] = {
 232                 .addr1 = 0x0555,
 233                 .addr2 = 0x02aa
 234         },
 235
 236         [MTD_UADDR_0x0555_0x0AAA] = {
 237                 .addr1 = 0x0555,
 238                 .addr2 = 0x0aaa
 239         },
 240
 241         [MTD_UADDR_0x5555_0x2AAA] = {
 242                 .addr1 = 0x5555,
 243                 .addr2 = 0x2aaa
 244         },
 245
 246         [MTD_UADDR_0x0AAA_0x0555] = {
 247                 .addr1 = 0x0AAA,
 248                 .addr2 = 0x0555
 249         },
 250
 251         [MTD_UADDR_DONT_CARE] = {
 252                 .addr1 = 0x0000,      /* Doesn't matter which address */
 253                 .addr2 = 0x0000       /* is used - must be last entry */
 254         },
 255
 256         [MTD_UADDR_UNNECESSARY] = {
 257                 .addr1 = 0x0000,
 258                 .addr2 = 0x0000
 259         }
 260 };
 261
 262 struct amd_flash_info {
 263         const char *name;
 264         const uint16_t mfr_id;
 265         const uint16_t dev_id;
 266         const uint8_t dev_size;
 267         const uint8_t nr_regions;
 268         const uint16_t cmd_set;
 269         const uint32_t regions[6];
 270         const uint8_t devtypes;         /* Bitmask for x8, x16 etc. */
 271         const uint8_t uaddr;            /* unlock addrs for 8, 16, 32, 64 */
 272 };
 273
 274 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
 275
 276 #define SIZE_64KiB  16
 277 #define SIZE_128KiB 17
 278 #define SIZE_256KiB 18
 279 #define SIZE_512KiB 19
 280 #define SIZE_1MiB   20
 281 #define SIZE_2MiB   21
 282 #define SIZE_4MiB   22
 283 #define SIZE_8MiB   23
 284
 285
 286 /*
 287  * Please keep this list ordered by manufacturer!
 288  * Fortunately, the list isn't searched often and so a
 289  * slow, linear search isn't so bad.
 290  */
 291 static const struct amd_flash_info jedec_table[] = {
 292         {
 293                 .mfr_id         = MANUFACTURER_AMD,
 294                 .dev_id         = AM29F032B,
 295                 .name           = "AMD AM29F032B",
 296                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 297                 .devtypes       = CFI_DEVICETYPE_X8,
 298                 .dev_size       = SIZE_4MiB,
 299                 .cmd_set        = P_ID_AMD_STD,
 300                 .nr_regions     = 1,
 301                 .regions        = {
 302                         ERASEINFO(0x10000,64)
 303                 }
 304         }, {
 305                 .mfr_id         = MANUFACTURER_AMD,
 306                 .dev_id         = AM29LV160DT,
 307                 .name           = "AMD AM29LV160DT",
 308                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 309                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 310                 .dev_size       = SIZE_2MiB,
 311                 .cmd_set        = P_ID_AMD_STD,
 312                 .nr_regions     = 4,
 313                 .regions        = {
 314                         ERASEINFO(0x10000,31),
 315                         ERASEINFO(0x08000,1),
 316                         ERASEINFO(0x02000,2),
 317                         ERASEINFO(0x04000,1)
 318                 }
 319         }, {
 320                 .mfr_id         = MANUFACTURER_AMD,
 321                 .dev_id         = AM29LV160DB,
 322                 .name           = "AMD AM29LV160DB",
 323                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 324                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 325                 .dev_size       = SIZE_2MiB,
 326                 .cmd_set        = P_ID_AMD_STD,
 327                 .nr_regions     = 4,
 328                 .regions        = {
 329                         ERASEINFO(0x04000,1),
 330                         ERASEINFO(0x02000,2),
 331                         ERASEINFO(0x08000,1),
 332                         ERASEINFO(0x10000,31)
 333                 }
 334         }, {
 335                 .mfr_id         = MANUFACTURER_AMD,
 336                 .dev_id         = AM29LV400BB,
 337                 .name           = "AMD AM29LV400BB",
 338                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 339                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 340                 .dev_size       = SIZE_512KiB,
 341                 .cmd_set        = P_ID_AMD_STD,
 342                 .nr_regions     = 4,
 343                 .regions        = {
 344                         ERASEINFO(0x04000,1),
 345                         ERASEINFO(0x02000,2),
 346                         ERASEINFO(0x08000,1),
 347                         ERASEINFO(0x10000,7)
 348                 }
 349         }, {
 350                 .mfr_id         = MANUFACTURER_AMD,
 351                 .dev_id         = AM29LV400BT,
 352                 .name           = "AMD AM29LV400BT",
 353                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 354                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 355                 .dev_size       = SIZE_512KiB,
 356                 .cmd_set        = P_ID_AMD_STD,
 357                 .nr_regions     = 4,
 358                 .regions        = {
 359                         ERASEINFO(0x10000,7),
 360                         ERASEINFO(0x08000,1),
 361                         ERASEINFO(0x02000,2),
 362                         ERASEINFO(0x04000,1)
 363                 }
 364         }, {
 365                 .mfr_id         = MANUFACTURER_AMD,
 366                 .dev_id         = AM29LV800BB,
 367                 .name           = "AMD AM29LV800BB",
 368                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 369                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 370                 .dev_size       = SIZE_1MiB,
 371                 .cmd_set        = P_ID_AMD_STD,
 372                 .nr_regions     = 4,
 373                 .regions        = {
 374                         ERASEINFO(0x04000,1),
 375                         ERASEINFO(0x02000,2),
 376                         ERASEINFO(0x08000,1),
 377                         ERASEINFO(0x10000,15),
 378                 }
 379         }, {
 380 /* add DL */
 381                 .mfr_id         = MANUFACTURER_AMD,
 382                 .dev_id         = AM29DL800BB,
 383                 .name           = "AMD AM29DL800BB",
 384                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 385                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 386                 .dev_size       = SIZE_1MiB,
 387                 .cmd_set        = P_ID_AMD_STD,
 388                 .nr_regions     = 6,
 389                 .regions        = {
 390                         ERASEINFO(0x04000,1),
 391                         ERASEINFO(0x08000,1),
 392                         ERASEINFO(0x02000,4),
 393                         ERASEINFO(0x08000,1),
 394                         ERASEINFO(0x04000,1),
 395                         ERASEINFO(0x10000,14)
 396                 }
 397         }, {
 398                 .mfr_id         = MANUFACTURER_AMD,
 399                 .dev_id         = AM29DL800BT,
 400                 .name           = "AMD AM29DL800BT",
 401                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 402                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 403                 .dev_size       = SIZE_1MiB,
 404                 .cmd_set        = P_ID_AMD_STD,
 405                 .nr_regions     = 6,
 406                 .regions        = {
 407                         ERASEINFO(0x10000,14),
 408                         ERASEINFO(0x04000,1),
 409                         ERASEINFO(0x08000,1),
 410                         ERASEINFO(0x02000,4),
 411                         ERASEINFO(0x08000,1),
 412                         ERASEINFO(0x04000,1)
 413                 }
 414         }, {
 415                 .mfr_id         = MANUFACTURER_AMD,
 416                 .dev_id         = AM29F800BB,
 417                 .name           = "AMD AM29F800BB",
 418                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 419                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 420                 .dev_size       = SIZE_1MiB,
 421                 .cmd_set        = P_ID_AMD_STD,
 422                 .nr_regions     = 4,
 423                 .regions        = {
 424                         ERASEINFO(0x04000,1),
 425                         ERASEINFO(0x02000,2),
 426                         ERASEINFO(0x08000,1),
 427                         ERASEINFO(0x10000,15),
 428                 }
 429         }, {
 430                 .mfr_id         = MANUFACTURER_AMD,
 431                 .dev_id         = AM29LV800BT,
 432                 .name           = "AMD AM29LV800BT",
 433                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 434                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 435                 .dev_size       = SIZE_1MiB,
 436                 .cmd_set        = P_ID_AMD_STD,
 437                 .nr_regions     = 4,
 438                 .regions        = {
 439                         ERASEINFO(0x10000,15),
 440                         ERASEINFO(0x08000,1),
 441                         ERASEINFO(0x02000,2),
 442                         ERASEINFO(0x04000,1)
 443                 }
 444         }, {
 445                 .mfr_id         = MANUFACTURER_AMD,
 446                 .dev_id         = AM29F800BT,
 447                 .name           = "AMD AM29F800BT",
 448                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 449                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 450                 .dev_size       = SIZE_1MiB,
 451                 .cmd_set        = P_ID_AMD_STD,
 452                 .nr_regions     = 4,
 453                 .regions        = {
 454                         ERASEINFO(0x10000,15),
 455                         ERASEINFO(0x08000,1),
 456                         ERASEINFO(0x02000,2),
 457                         ERASEINFO(0x04000,1)
 458                 }
 459         }, {
 460                 .mfr_id         = MANUFACTURER_AMD,
 461                 .dev_id         = AM29F017D,
 462                 .name           = "AMD AM29F017D",
 463                 .devtypes       = CFI_DEVICETYPE_X8,
 464                 .uaddr          = MTD_UADDR_DONT_CARE,
 465                 .dev_size       = SIZE_2MiB,
 466                 .cmd_set        = P_ID_AMD_STD,
 467                 .nr_regions     = 1,
 468                 .regions        = {
 469                         ERASEINFO(0x10000,32),
 470                 }
 471         }, {
 472                 .mfr_id         = MANUFACTURER_AMD,
 473                 .dev_id         = AM29F016D,
 474                 .name           = "AMD AM29F016D",
 475                 .devtypes       = CFI_DEVICETYPE_X8,
 476                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 477                 .dev_size       = SIZE_2MiB,
 478                 .cmd_set        = P_ID_AMD_STD,
 479                 .nr_regions     = 1,
 480                 .regions        = {
 481                         ERASEINFO(0x10000,32),
 482                 }
 483         }, {
 484                 .mfr_id         = MANUFACTURER_AMD,
 485                 .dev_id         = AM29F080,
 486                 .name           = "AMD AM29F080",
 487                 .devtypes       = CFI_DEVICETYPE_X8,
 488                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 489                 .dev_size       = SIZE_1MiB,
 490                 .cmd_set        = P_ID_AMD_STD,
 491                 .nr_regions     = 1,
 492                 .regions        = {
 493                         ERASEINFO(0x10000,16),
 494                 }
 495         }, {
 496                 .mfr_id         = MANUFACTURER_AMD,
 497                 .dev_id         = AM29F040,
 498                 .name           = "AMD AM29F040",
 499                 .devtypes       = CFI_DEVICETYPE_X8,
 500                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 501                 .dev_size       = SIZE_512KiB,
 502                 .cmd_set        = P_ID_AMD_STD,
 503                 .nr_regions     = 1,
 504                 .regions        = {
 505                         ERASEINFO(0x10000,8),
 506                 }
 507         }, {
 508                 .mfr_id         = MANUFACTURER_AMD,
 509                 .dev_id         = AM29LV040B,
 510                 .name           = "AMD AM29LV040B",
 511                 .devtypes       = CFI_DEVICETYPE_X8,
 512                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 513                 .dev_size       = SIZE_512KiB,
 514                 .cmd_set        = P_ID_AMD_STD,
 515                 .nr_regions     = 1,
 516                 .regions        = {
 517                         ERASEINFO(0x10000,8),
 518                 }
 519         }, {
 520                 .mfr_id         = MANUFACTURER_AMD,
 521                 .dev_id         = AM29F002T,
 522                 .name           = "AMD AM29F002T",
 523                 .devtypes       = CFI_DEVICETYPE_X8,
 524                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 525                 .dev_size       = SIZE_256KiB,
 526                 .cmd_set        = P_ID_AMD_STD,
 527                 .nr_regions     = 4,
 528                 .regions        = {
 529                         ERASEINFO(0x10000,3),
 530                         ERASEINFO(0x08000,1),
 531                         ERASEINFO(0x02000,2),
 532                         ERASEINFO(0x04000,1),
 533                 }
 534         }, {
 535                 .mfr_id         = MANUFACTURER_AMD,
 536                 .dev_id         = AM29SL800DT,
 537                 .name           = "AMD AM29SL800DT",
 538                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 539                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 540                 .dev_size       = SIZE_1MiB,
 541                 .cmd_set        = P_ID_AMD_STD,
 542                 .nr_regions     = 4,
 543                 .regions        = {
 544                         ERASEINFO(0x10000,15),
 545                         ERASEINFO(0x08000,1),
 546                         ERASEINFO(0x02000,2),
 547                         ERASEINFO(0x04000,1),
 548                 }
 549         }, {
 550                 .mfr_id         = MANUFACTURER_AMD,
 551                 .dev_id         = AM29SL800DB,
 552                 .name           = "AMD AM29SL800DB",
 553                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 554                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 555                 .dev_size       = SIZE_1MiB,
 556                 .cmd_set        = P_ID_AMD_STD,
 557                 .nr_regions     = 4,
 558                 .regions        = {
 559                         ERASEINFO(0x04000,1),
 560                         ERASEINFO(0x02000,2),
 561                         ERASEINFO(0x08000,1),
 562                         ERASEINFO(0x10000,15),
 563                 }
 564         }, {
 565                 .mfr_id         = MANUFACTURER_ATMEL,
 566                 .dev_id         = AT49BV512,
 567                 .name           = "Atmel AT49BV512",
 568                 .devtypes       = CFI_DEVICETYPE_X8,
 569                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 570                 .dev_size       = SIZE_64KiB,
 571                 .cmd_set        = P_ID_AMD_STD,
 572                 .nr_regions     = 1,
 573                 .regions        = {
 574                         ERASEINFO(0x10000,1)
 575                 }
 576         }, {
 577                 .mfr_id         = MANUFACTURER_ATMEL,
 578                 .dev_id         = AT29LV512,
 579                 .name           = "Atmel AT29LV512",
 580                 .devtypes       = CFI_DEVICETYPE_X8,
 581                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 582                 .dev_size       = SIZE_64KiB,
 583                 .cmd_set        = P_ID_AMD_STD,
 584                 .nr_regions     = 1,
 585                 .regions        = {
 586                         ERASEINFO(0x80,256),
 587                         ERASEINFO(0x80,256)
 588                 }
 589         }, {
 590                 .mfr_id         = MANUFACTURER_ATMEL,
 591                 .dev_id         = AT49BV16X,
 592                 .name           = "Atmel AT49BV16X",
 593                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 594                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 595                 .dev_size       = SIZE_2MiB,
 596                 .cmd_set        = P_ID_AMD_STD,
 597                 .nr_regions     = 2,
 598                 .regions        = {
 599                         ERASEINFO(0x02000,8),
 600                         ERASEINFO(0x10000,31)
 601                 }
 602         }, {
 603                 .mfr_id         = MANUFACTURER_ATMEL,
 604                 .dev_id         = AT49BV16XT,
 605                 .name           = "Atmel AT49BV16XT",
 606                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 607                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 608                 .dev_size       = SIZE_2MiB,
 609                 .cmd_set        = P_ID_AMD_STD,
 610                 .nr_regions     = 2,
 611                 .regions        = {
 612                         ERASEINFO(0x10000,31),
 613                         ERASEINFO(0x02000,8)
 614                 }
 615         }, {
 616                 .mfr_id         = MANUFACTURER_ATMEL,
 617                 .dev_id         = AT49BV32X,
 618                 .name           = "Atmel AT49BV32X",
 619                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 620                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 621                 .dev_size       = SIZE_4MiB,
 622                 .cmd_set        = P_ID_AMD_STD,
 623                 .nr_regions     = 2,
 624                 .regions        = {
 625                         ERASEINFO(0x02000,8),
 626                         ERASEINFO(0x10000,63)
 627                 }
 628         }, {
 629                 .mfr_id         = MANUFACTURER_ATMEL,
 630                 .dev_id         = AT49BV32XT,
 631                 .name           = "Atmel AT49BV32XT",
 632                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 633                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 634                 .dev_size       = SIZE_4MiB,
 635                 .cmd_set        = P_ID_AMD_STD,
 636                 .nr_regions     = 2,
 637                 .regions        = {
 638                         ERASEINFO(0x10000,63),
 639                         ERASEINFO(0x02000,8)
 640                 }
 641         }, {
 642                 .mfr_id         = MANUFACTURER_EON,
 643                 .dev_id         = EN29SL800BT,
 644                 .name           = "Eon EN29SL800BT",
 645                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 646                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 647                 .dev_size       = SIZE_1MiB,
 648                 .cmd_set        = P_ID_AMD_STD,
 649                 .nr_regions     = 4,
 650                 .regions        = {
 651                         ERASEINFO(0x10000,15),
 652                         ERASEINFO(0x08000,1),
 653                         ERASEINFO(0x02000,2),
 654                         ERASEINFO(0x04000,1),
 655                 }
 656         }, {
 657                 .mfr_id         = MANUFACTURER_EON,
 658                 .dev_id         = EN29SL800BB,
 659                 .name           = "Eon EN29SL800BB",
 660                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 661                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 662                 .dev_size       = SIZE_1MiB,
 663                 .cmd_set        = P_ID_AMD_STD,
 664                 .nr_regions     = 4,
 665                 .regions        = {
 666                         ERASEINFO(0x04000,1),
 667                         ERASEINFO(0x02000,2),
 668                         ERASEINFO(0x08000,1),
 669                         ERASEINFO(0x10000,15),
 670                 }
 671         }, {
 672                 .mfr_id         = MANUFACTURER_FUJITSU,
 673                 .dev_id         = MBM29F040C,
 674                 .name           = "Fujitsu MBM29F040C",
 675                 .devtypes       = CFI_DEVICETYPE_X8,
 676                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 677                 .dev_size       = SIZE_512KiB,
 678                 .cmd_set        = P_ID_AMD_STD,
 679                 .nr_regions     = 1,
 680                 .regions        = {
 681                         ERASEINFO(0x10000,8)
 682                 }
 683         }, {
 684                 .mfr_id         = MANUFACTURER_FUJITSU,
 685                 .dev_id         = MBM29F800BA,
 686                 .name           = "Fujitsu MBM29F800BA",
 687                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 688                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 689                 .dev_size       = SIZE_1MiB,
 690                 .cmd_set        = P_ID_AMD_STD,
 691                 .nr_regions     = 4,
 692                 .regions        = {
 693                         ERASEINFO(0x04000,1),
 694                         ERASEINFO(0x02000,2),
 695                         ERASEINFO(0x08000,1),
 696                         ERASEINFO(0x10000,15),
 697                 }
 698         }, {
 699                 .mfr_id         = MANUFACTURER_FUJITSU,
 700                 .dev_id         = MBM29LV650UE,
 701                 .name           = "Fujitsu MBM29LV650UE",
 702                 .devtypes       = CFI_DEVICETYPE_X8,
 703                 .uaddr          = MTD_UADDR_DONT_CARE,
 704                 .dev_size       = SIZE_8MiB,
 705                 .cmd_set        = P_ID_AMD_STD,
 706                 .nr_regions     = 1,
 707                 .regions        = {
 708                         ERASEINFO(0x10000,128)
 709                 }
 710         }, {
 711                 .mfr_id         = MANUFACTURER_FUJITSU,
 712                 .dev_id         = MBM29LV320TE,
 713                 .name           = "Fujitsu MBM29LV320TE",
 714                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 715                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 716                 .dev_size       = SIZE_4MiB,
 717                 .cmd_set        = P_ID_AMD_STD,
 718                 .nr_regions     = 2,
 719                 .regions        = {
 720                         ERASEINFO(0x10000,63),
 721                         ERASEINFO(0x02000,8)
 722                 }
 723         }, {
 724                 .mfr_id         = MANUFACTURER_FUJITSU,
 725                 .dev_id         = MBM29LV320BE,
 726                 .name           = "Fujitsu MBM29LV320BE",
 727                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 728                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 729                 .dev_size       = SIZE_4MiB,
 730                 .cmd_set        = P_ID_AMD_STD,
 731                 .nr_regions     = 2,
 732                 .regions        = {
 733                         ERASEINFO(0x02000,8),
 734                         ERASEINFO(0x10000,63)
 735                 }
 736         }, {
 737                 .mfr_id         = MANUFACTURER_FUJITSU,
 738                 .dev_id         = MBM29LV160TE,
 739                 .name           = "Fujitsu MBM29LV160TE",
 740                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 741                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 742                 .dev_size       = SIZE_2MiB,
 743                 .cmd_set        = P_ID_AMD_STD,
 744                 .nr_regions     = 4,
 745                 .regions        = {
 746                         ERASEINFO(0x10000,31),
 747                         ERASEINFO(0x08000,1),
 748                         ERASEINFO(0x02000,2),
 749                         ERASEINFO(0x04000,1)
 750                 }
 751         }, {
 752                 .mfr_id         = MANUFACTURER_FUJITSU,
 753                 .dev_id         = MBM29LV160BE,
 754                 .name           = "Fujitsu MBM29LV160BE",
 755                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 756                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 757                 .dev_size       = SIZE_2MiB,
 758                 .cmd_set        = P_ID_AMD_STD,
 759                 .nr_regions     = 4,
 760                 .regions        = {
 761                         ERASEINFO(0x04000,1),
 762                         ERASEINFO(0x02000,2),
 763                         ERASEINFO(0x08000,1),
 764                         ERASEINFO(0x10000,31)
 765                 }
 766         }, {
 767                 .mfr_id         = MANUFACTURER_FUJITSU,
 768                 .dev_id         = MBM29LV800BA,
 769                 .name           = "Fujitsu MBM29LV800BA",
 770                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 771                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 772                 .dev_size       = SIZE_1MiB,
 773                 .cmd_set        = P_ID_AMD_STD,
 774                 .nr_regions     = 4,
 775                 .regions        = {
 776                         ERASEINFO(0x04000,1),
 777                         ERASEINFO(0x02000,2),
 778                         ERASEINFO(0x08000,1),
 779                         ERASEINFO(0x10000,15)
 780                 }
 781         }, {
 782                 .mfr_id         = MANUFACTURER_FUJITSU,
 783                 .dev_id         = MBM29LV800TA,
 784                 .name           = "Fujitsu MBM29LV800TA",
 785                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 786                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 787                 .dev_size       = SIZE_1MiB,
 788                 .cmd_set        = P_ID_AMD_STD,
 789                 .nr_regions     = 4,
 790                 .regions        = {
 791                         ERASEINFO(0x10000,15),
 792                         ERASEINFO(0x08000,1),
 793                         ERASEINFO(0x02000,2),
 794                         ERASEINFO(0x04000,1)
 795                 }
 796         }, {
 797                 .mfr_id         = MANUFACTURER_FUJITSU,
 798                 .dev_id         = MBM29LV400BC,
 799                 .name           = "Fujitsu MBM29LV400BC",
 800                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 801                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 802                 .dev_size       = SIZE_512KiB,
 803                 .cmd_set        = P_ID_AMD_STD,
 804                 .nr_regions     = 4,
 805                 .regions        = {
 806                         ERASEINFO(0x04000,1),
 807                         ERASEINFO(0x02000,2),
 808                         ERASEINFO(0x08000,1),
 809                         ERASEINFO(0x10000,7)
 810                 }
 811         }, {
 812                 .mfr_id         = MANUFACTURER_FUJITSU,
 813                 .dev_id         = MBM29LV400TC,
 814                 .name           = "Fujitsu MBM29LV400TC",
 815                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 816                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 817                 .dev_size       = SIZE_512KiB,
 818                 .cmd_set        = P_ID_AMD_STD,
 819                 .nr_regions     = 4,
 820                 .regions        = {
 821                         ERASEINFO(0x10000,7),
 822                         ERASEINFO(0x08000,1),
 823                         ERASEINFO(0x02000,2),
 824                         ERASEINFO(0x04000,1)
 825                 }
 826         }, {
 827                 .mfr_id         = MANUFACTURER_HYUNDAI,
 828                 .dev_id         = HY29F002T,
 829                 .name           = "Hyundai HY29F002T",
 830                 .devtypes       = CFI_DEVICETYPE_X8,
 831                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 832                 .dev_size       = SIZE_256KiB,
 833                 .cmd_set        = P_ID_AMD_STD,
 834                 .nr_regions     = 4,
 835                 .regions        = {
 836                         ERASEINFO(0x10000,3),
 837                         ERASEINFO(0x08000,1),
 838                         ERASEINFO(0x02000,2),
 839                         ERASEINFO(0x04000,1),
 840                 }
 841         }, {
 842                 .mfr_id         = MANUFACTURER_INTEL,
 843                 .dev_id         = I28F004B3B,
 844                 .name           = "Intel 28F004B3B",
 845                 .devtypes       = CFI_DEVICETYPE_X8,
 846                 .uaddr          = MTD_UADDR_UNNECESSARY,
 847                 .dev_size       = SIZE_512KiB,
 848                 .cmd_set        = P_ID_INTEL_STD,
 849                 .nr_regions     = 2,
 850                 .regions        = {
 851                         ERASEINFO(0x02000, 8),
 852                         ERASEINFO(0x10000, 7),
 853                 }
 854         }, {
 855                 .mfr_id         = MANUFACTURER_INTEL,
 856                 .dev_id         = I28F004B3T,
 857                 .name           = "Intel 28F004B3T",
 858                 .devtypes       = CFI_DEVICETYPE_X8,
 859                 .uaddr          = MTD_UADDR_UNNECESSARY,
 860                 .dev_size       = SIZE_512KiB,
 861                 .cmd_set        = P_ID_INTEL_STD,
 862                 .nr_regions     = 2,
 863                 .regions        = {
 864                         ERASEINFO(0x10000, 7),
 865                         ERASEINFO(0x02000, 8),
 866                 }
 867         }, {
 868                 .mfr_id         = MANUFACTURER_INTEL,
 869                 .dev_id         = I28F400B3B,
 870                 .name           = "Intel 28F400B3B",
 871                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 872                 .uaddr          = MTD_UADDR_UNNECESSARY,
 873                 .dev_size       = SIZE_512KiB,
 874                 .cmd_set        = P_ID_INTEL_STD,
 875                 .nr_regions     = 2,
 876                 .regions        = {
 877                         ERASEINFO(0x02000, 8),
 878                         ERASEINFO(0x10000, 7),
 879                 }
 880         }, {
 881                 .mfr_id         = MANUFACTURER_INTEL,
 882                 .dev_id         = I28F400B3T,
 883                 .name           = "Intel 28F400B3T",
 884                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 885                 .uaddr          = MTD_UADDR_UNNECESSARY,
 886                 .dev_size       = SIZE_512KiB,
 887                 .cmd_set        = P_ID_INTEL_STD,
 888                 .nr_regions     = 2,
 889                 .regions        = {
 890                         ERASEINFO(0x10000, 7),
 891                         ERASEINFO(0x02000, 8),
 892                 }
 893         }, {
 894                 .mfr_id         = MANUFACTURER_INTEL,
 895                 .dev_id         = I28F008B3B,
 896                 .name           = "Intel 28F008B3B",
 897                 .devtypes       = CFI_DEVICETYPE_X8,
 898                 .uaddr          = MTD_UADDR_UNNECESSARY,
 899                 .dev_size       = SIZE_1MiB,
 900                 .cmd_set        = P_ID_INTEL_STD,
 901                 .nr_regions     = 2,
 902                 .regions        = {
 903                         ERASEINFO(0x02000, 8),
 904                         ERASEINFO(0x10000, 15),
 905                 }
 906         }, {
 907                 .mfr_id         = MANUFACTURER_INTEL,
 908                 .dev_id         = I28F008B3T,
 909                 .name           = "Intel 28F008B3T",
 910                 .devtypes       = CFI_DEVICETYPE_X8,
 911                 .uaddr          = MTD_UADDR_UNNECESSARY,
 912                 .dev_size       = SIZE_1MiB,
 913                 .cmd_set        = P_ID_INTEL_STD,
 914                 .nr_regions     = 2,
 915                 .regions        = {
 916                         ERASEINFO(0x10000, 15),
 917                         ERASEINFO(0x02000, 8),
 918                 }
 919         }, {
 920                 .mfr_id         = MANUFACTURER_INTEL,
 921                 .dev_id         = I28F008S5,
 922                 .name           = "Intel 28F008S5",
 923                 .devtypes       = CFI_DEVICETYPE_X8,
 924                 .uaddr          = MTD_UADDR_UNNECESSARY,
 925                 .dev_size       = SIZE_1MiB,
 926                 .cmd_set        = P_ID_INTEL_EXT,
 927                 .nr_regions     = 1,
 928                 .regions        = {
 929                         ERASEINFO(0x10000,16),
 930                 }
 931         }, {
 932                 .mfr_id         = MANUFACTURER_INTEL,
 933                 .dev_id         = I28F016S5,
 934                 .name           = "Intel 28F016S5",
 935                 .devtypes       = CFI_DEVICETYPE_X8,
 936                 .uaddr          = MTD_UADDR_UNNECESSARY,
 937                 .dev_size       = SIZE_2MiB,
 938                 .cmd_set        = P_ID_INTEL_EXT,
 939                 .nr_regions     = 1,
 940                 .regions        = {
 941                         ERASEINFO(0x10000,32),
 942                 }
 943         }, {
 944                 .mfr_id         = MANUFACTURER_INTEL,
 945                 .dev_id         = I28F008SA,
 946                 .name           = "Intel 28F008SA",
 947                 .devtypes       = CFI_DEVICETYPE_X8,
 948                 .uaddr          = MTD_UADDR_UNNECESSARY,
 949                 .dev_size       = SIZE_1MiB,
 950                 .cmd_set        = P_ID_INTEL_STD,
 951                 .nr_regions     = 1,
 952                 .regions        = {
 953                         ERASEINFO(0x10000, 16),
 954                 }
 955         }, {
 956                 .mfr_id         = MANUFACTURER_INTEL,
 957                 .dev_id         = I28F800B3B,
 958                 .name           = "Intel 28F800B3B",
 959                 .devtypes       = CFI_DEVICETYPE_X16,
 960                 .uaddr          = MTD_UADDR_UNNECESSARY,
 961                 .dev_size       = SIZE_1MiB,
 962                 .cmd_set        = P_ID_INTEL_STD,
 963                 .nr_regions     = 2,
 964                 .regions        = {
 965                         ERASEINFO(0x02000, 8),
 966                         ERASEINFO(0x10000, 15),
 967                 }
 968         }, {
 969                 .mfr_id         = MANUFACTURER_INTEL,
 970                 .dev_id         = I28F800B3T,
 971                 .name           = "Intel 28F800B3T",
 972                 .devtypes       = CFI_DEVICETYPE_X16,
 973                 .uaddr          = MTD_UADDR_UNNECESSARY,
 974                 .dev_size       = SIZE_1MiB,
 975                 .cmd_set        = P_ID_INTEL_STD,
 976                 .nr_regions     = 2,
 977                 .regions        = {
 978                         ERASEINFO(0x10000, 15),
 979                         ERASEINFO(0x02000, 8),
 980                 }
 981         }, {
 982                 .mfr_id         = MANUFACTURER_INTEL,
 983                 .dev_id         = I28F016B3B,
 984                 .name           = "Intel 28F016B3B",
 985                 .devtypes       = CFI_DEVICETYPE_X8,
 986                 .uaddr          = MTD_UADDR_UNNECESSARY,
 987                 .dev_size       = SIZE_2MiB,
 988                 .cmd_set        = P_ID_INTEL_STD,
 989                 .nr_regions     = 2,
 990                 .regions        = {
 991                         ERASEINFO(0x02000, 8),
 992                         ERASEINFO(0x10000, 31),
 993                 }
 994         }, {
 995                 .mfr_id         = MANUFACTURER_INTEL,
 996                 .dev_id         = I28F016S3,
 997                 .name           = "Intel I28F016S3",
 998                 .devtypes       = CFI_DEVICETYPE_X8,
 999                 .uaddr          = MTD_UADDR_UNNECESSARY,
1000                 .dev_size       = SIZE_2MiB,
1001                 .cmd_set        = P_ID_INTEL_STD,
1002                 .nr_regions     = 1,
1003                 .regions        = {
1004                         ERASEINFO(0x10000, 32),
1005                 }
1006         }, {
1007                 .mfr_id         = MANUFACTURER_INTEL,
1008                 .dev_id         = I28F016B3T,
1009                 .name           = "Intel 28F016B3T",
1010                 .devtypes       = CFI_DEVICETYPE_X8,
1011                 .uaddr          = MTD_UADDR_UNNECESSARY,
1012                 .dev_size       = SIZE_2MiB,
1013                 .cmd_set        = P_ID_INTEL_STD,
1014                 .nr_regions     = 2,
1015                 .regions        = {
1016                         ERASEINFO(0x10000, 31),
1017                         ERASEINFO(0x02000, 8),
1018                 }
1019         }, {
1020                 .mfr_id         = MANUFACTURER_INTEL,
1021                 .dev_id         = I28F160B3B,
1022                 .name           = "Intel 28F160B3B",
1023                 .devtypes       = CFI_DEVICETYPE_X16,
1024                 .uaddr          = MTD_UADDR_UNNECESSARY,
1025                 .dev_size       = SIZE_2MiB,
1026                 .cmd_set        = P_ID_INTEL_STD,
1027                 .nr_regions     = 2,
1028                 .regions        = {
1029                         ERASEINFO(0x02000, 8),
1030                         ERASEINFO(0x10000, 31),
1031                 }
1032         }, {
1033                 .mfr_id         = MANUFACTURER_INTEL,
1034                 .dev_id         = I28F160B3T,
1035                 .name           = "Intel 28F160B3T",
1036                 .devtypes       = CFI_DEVICETYPE_X16,
1037                 .uaddr          = MTD_UADDR_UNNECESSARY,
1038                 .dev_size       = SIZE_2MiB,
1039                 .cmd_set        = P_ID_INTEL_STD,
1040                 .nr_regions     = 2,
1041                 .regions        = {
1042                         ERASEINFO(0x10000, 31),
1043                         ERASEINFO(0x02000, 8),
1044                 }
1045         }, {
1046                 .mfr_id         = MANUFACTURER_INTEL,
1047                 .dev_id         = I28F320B3B,
1048                 .name           = "Intel 28F320B3B",
1049                 .devtypes       = CFI_DEVICETYPE_X16,
1050                 .uaddr          = MTD_UADDR_UNNECESSARY,
1051                 .dev_size       = SIZE_4MiB,
1052                 .cmd_set        = P_ID_INTEL_STD,
1053                 .nr_regions     = 2,
1054                 .regions        = {
1055                         ERASEINFO(0x02000, 8),
1056                         ERASEINFO(0x10000, 63),
1057                 }
1058         }, {
1059                 .mfr_id         = MANUFACTURER_INTEL,
1060                 .dev_id         = I28F320B3T,
1061                 .name           = "Intel 28F320B3T",
1062                 .devtypes       = CFI_DEVICETYPE_X16,
1063                 .uaddr          = MTD_UADDR_UNNECESSARY,
1064                 .dev_size       = SIZE_4MiB,
1065                 .cmd_set        = P_ID_INTEL_STD,
1066                 .nr_regions     = 2,
1067                 .regions        = {
1068                         ERASEINFO(0x10000, 63),
1069                         ERASEINFO(0x02000, 8),
1070                 }
1071         }, {
1072                 .mfr_id         = MANUFACTURER_INTEL,
1073                 .dev_id         = I28F640B3B,
1074                 .name           = "Intel 28F640B3B",
1075                 .devtypes       = CFI_DEVICETYPE_X16,
1076                 .uaddr          = MTD_UADDR_UNNECESSARY,
1077                 .dev_size       = SIZE_8MiB,
1078                 .cmd_set        = P_ID_INTEL_STD,
1079                 .nr_regions     = 2,
1080                 .regions        = {
1081                         ERASEINFO(0x02000, 8),
1082                         ERASEINFO(0x10000, 127),
1083                 }
1084         }, {
1085                 .mfr_id         = MANUFACTURER_INTEL,
1086                 .dev_id         = I28F640B3T,
1087                 .name           = "Intel 28F640B3T",
1088                 .devtypes       = CFI_DEVICETYPE_X16,
1089                 .uaddr          = MTD_UADDR_UNNECESSARY,
1090                 .dev_size       = SIZE_8MiB,
1091                 .cmd_set        = P_ID_INTEL_STD,
1092                 .nr_regions     = 2,
1093                 .regions        = {
1094                         ERASEINFO(0x10000, 127),
1095                         ERASEINFO(0x02000, 8),
1096                 }
1097         }, {
1098                 .mfr_id         = MANUFACTURER_INTEL,
1099                 .dev_id         = I82802AB,
1100                 .name           = "Intel 82802AB",
1101                 .devtypes       = CFI_DEVICETYPE_X8,
1102                 .uaddr          = MTD_UADDR_UNNECESSARY,
1103                 .dev_size       = SIZE_512KiB,
1104                 .cmd_set        = P_ID_INTEL_EXT,
1105                 .nr_regions     = 1,
1106                 .regions        = {
1107                         ERASEINFO(0x10000,8),
1108                 }
1109         }, {
1110                 .mfr_id         = MANUFACTURER_INTEL,
1111                 .dev_id         = I82802AC,
1112                 .name           = "Intel 82802AC",
1113                 .devtypes       = CFI_DEVICETYPE_X8,
1114                 .uaddr          = MTD_UADDR_UNNECESSARY,
1115                 .dev_size       = SIZE_1MiB,
1116                 .cmd_set        = P_ID_INTEL_EXT,
1117                 .nr_regions     = 1,
1118                 .regions        = {
1119                         ERASEINFO(0x10000,16),
1120                 }
1121         }, {
1122                 .mfr_id         = MANUFACTURER_MACRONIX,
1123                 .dev_id         = MX29LV040C,
1124                 .name           = "Macronix MX29LV040C",
1125                 .devtypes       = CFI_DEVICETYPE_X8,
1126                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1127                 .dev_size       = SIZE_512KiB,
1128                 .cmd_set        = P_ID_AMD_STD,
1129                 .nr_regions     = 1,
1130                 .regions        = {
1131                         ERASEINFO(0x10000,8),
1132                 }
1133         }, {
1134                 .mfr_id         = MANUFACTURER_MACRONIX,
1135                 .dev_id         = MX29LV160T,
1136                 .name           = "MXIC MX29LV160T",
1137                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1138                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1139                 .dev_size       = SIZE_2MiB,
1140                 .cmd_set        = P_ID_AMD_STD,
1141                 .nr_regions     = 4,
1142                 .regions        = {
1143                         ERASEINFO(0x10000,31),
1144                         ERASEINFO(0x08000,1),
1145                         ERASEINFO(0x02000,2),
1146                         ERASEINFO(0x04000,1)
1147                 }
1148         }, {
1149                 .mfr_id         = MANUFACTURER_NEC,
1150                 .dev_id         = UPD29F064115,
1151                 .name           = "NEC uPD29F064115",
1152                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1153                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1154                 .dev_size       = SIZE_8MiB,
1155                 .cmd_set        = P_ID_AMD_STD,
1156                 .nr_regions     = 3,
1157                 .regions        = {
1158                         ERASEINFO(0x2000,8),
1159                         ERASEINFO(0x10000,126),
1160                         ERASEINFO(0x2000,8),
1161                 }
1162         }, {
1163                 .mfr_id         = MANUFACTURER_MACRONIX,
1164                 .dev_id         = MX29LV160B,
1165                 .name           = "MXIC MX29LV160B",
1166                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1167                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1168                 .dev_size       = SIZE_2MiB,
1169                 .cmd_set        = P_ID_AMD_STD,
1170                 .nr_regions     = 4,
1171                 .regions        = {
1172                         ERASEINFO(0x04000,1),
1173                         ERASEINFO(0x02000,2),
1174                         ERASEINFO(0x08000,1),
1175                         ERASEINFO(0x10000,31)
1176                 }
1177         }, {
1178                 .mfr_id         = MANUFACTURER_MACRONIX,
1179                 .dev_id         = MX29F040,
1180                 .name           = "Macronix MX29F040",
1181                 .devtypes       = CFI_DEVICETYPE_X8,
1182                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1183                 .dev_size       = SIZE_512KiB,
1184                 .cmd_set        = P_ID_AMD_STD,
1185                 .nr_regions     = 1,
1186                 .regions        = {
1187                         ERASEINFO(0x10000,8),
1188                 }
1189         }, {
1190                 .mfr_id         = MANUFACTURER_MACRONIX,
1191                 .dev_id         = MX29F016,
1192                 .name           = "Macronix MX29F016",
1193                 .devtypes       = CFI_DEVICETYPE_X8,
1194                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1195                 .dev_size       = SIZE_2MiB,
1196                 .cmd_set        = P_ID_AMD_STD,
1197                 .nr_regions     = 1,
1198                 .regions        = {
1199                         ERASEINFO(0x10000,32),
1200                 }
1201         }, {
1202                 .mfr_id         = MANUFACTURER_MACRONIX,
1203                 .dev_id         = MX29F004T,
1204                 .name           = "Macronix MX29F004T",
1205                 .devtypes       = CFI_DEVICETYPE_X8,
1206                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1207                 .dev_size       = SIZE_512KiB,
1208                 .cmd_set        = P_ID_AMD_STD,
1209                 .nr_regions     = 4,
1210                 .regions        = {
1211                         ERASEINFO(0x10000,7),
1212                         ERASEINFO(0x08000,1),
1213                         ERASEINFO(0x02000,2),
1214                         ERASEINFO(0x04000,1),
1215                 }
1216         }, {
1217                 .mfr_id         = MANUFACTURER_MACRONIX,
1218                 .dev_id         = MX29F004B,
1219                 .name           = "Macronix MX29F004B",
1220                 .devtypes       = CFI_DEVICETYPE_X8,
1221                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1222                 .dev_size       = SIZE_512KiB,
1223                 .cmd_set        = P_ID_AMD_STD,
1224                 .nr_regions     = 4,
1225                 .regions        = {
1226                         ERASEINFO(0x04000,1),
1227                         ERASEINFO(0x02000,2),
1228                         ERASEINFO(0x08000,1),
1229                         ERASEINFO(0x10000,7),
1230                 }
1231         }, {
1232                 .mfr_id         = MANUFACTURER_MACRONIX,
1233                 .dev_id         = MX29F002T,
1234                 .name           = "Macronix MX29F002T",
1235                 .devtypes       = CFI_DEVICETYPE_X8,
1236                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1237                 .dev_size       = SIZE_256KiB,
1238                 .cmd_set        = P_ID_AMD_STD,
1239                 .nr_regions     = 4,
1240                 .regions        = {
1241                         ERASEINFO(0x10000,3),
1242                         ERASEINFO(0x08000,1),
1243                         ERASEINFO(0x02000,2),
1244                         ERASEINFO(0x04000,1),
1245                 }
1246         }, {
1247                 .mfr_id         = MANUFACTURER_PMC,
1248                 .dev_id         = PM49FL002,
1249                 .name           = "PMC Pm49FL002",
1250                 .devtypes       = CFI_DEVICETYPE_X8,
1251                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1252                 .dev_size       = SIZE_256KiB,
1253                 .cmd_set        = P_ID_AMD_STD,
1254                 .nr_regions     = 1,
1255                 .regions        = {
1256                         ERASEINFO( 0x01000, 64 )
1257                 }
1258         }, {
1259                 .mfr_id         = MANUFACTURER_PMC,
1260                 .dev_id         = PM49FL004,
1261                 .name           = "PMC Pm49FL004",
1262                 .devtypes       = CFI_DEVICETYPE_X8,
1263                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1264                 .dev_size       = SIZE_512KiB,
1265                 .cmd_set        = P_ID_AMD_STD,
1266                 .nr_regions     = 1,
1267                 .regions        = {
1268                         ERASEINFO( 0x01000, 128 )
1269                 }
1270         }, {
1271                 .mfr_id         = MANUFACTURER_PMC,
1272                 .dev_id         = PM49FL008,
1273                 .name           = "PMC Pm49FL008",
1274                 .devtypes       = CFI_DEVICETYPE_X8,
1275                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1276                 .dev_size       = SIZE_1MiB,
1277                 .cmd_set        = P_ID_AMD_STD,
1278                 .nr_regions     = 1,
1279                 .regions        = {
1280                         ERASEINFO( 0x01000, 256 )
1281                 }
1282         }, {
1283                 .mfr_id         = MANUFACTURER_SHARP,
1284                 .dev_id         = LH28F640BF,
1285                 .name           = "LH28F640BF",
1286                 .devtypes       = CFI_DEVICETYPE_X8,
1287                 .uaddr          = MTD_UADDR_UNNECESSARY,
1288                 .dev_size       = SIZE_4MiB,
1289                 .cmd_set        = P_ID_INTEL_STD,
1290                 .nr_regions     = 1,
1291                 .regions        = {
1292                         ERASEINFO(0x40000,16),
1293                 }
1294         }, {
1295                 .mfr_id         = MANUFACTURER_SST,
1296                 .dev_id         = SST39LF512,
1297                 .name           = "SST 39LF512",
1298                 .devtypes       = CFI_DEVICETYPE_X8,
1299                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1300                 .dev_size       = SIZE_64KiB,
1301                 .cmd_set        = P_ID_AMD_STD,
1302                 .nr_regions     = 1,
1303                 .regions        = {
1304                         ERASEINFO(0x01000,16),
1305                 }
1306         }, {
1307                 .mfr_id         = MANUFACTURER_SST,
1308                 .dev_id         = SST39LF010,
1309                 .name           = "SST 39LF010",
1310                 .devtypes       = CFI_DEVICETYPE_X8,
1311                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1312                 .dev_size       = SIZE_128KiB,
1313                 .cmd_set        = P_ID_AMD_STD,
1314                 .nr_regions     = 1,
1315                 .regions        = {
1316                         ERASEINFO(0x01000,32),
1317                 }
1318         }, {
1319                 .mfr_id         = MANUFACTURER_SST,
1320                 .dev_id         = SST29EE020,
1321                 .name           = "SST 29EE020",
1322                 .devtypes       = CFI_DEVICETYPE_X8,
1323                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1324                 .dev_size       = SIZE_256KiB,
1325                 .cmd_set        = P_ID_SST_PAGE,
1326                 .nr_regions     = 1,
1327                 .regions = {ERASEINFO(0x01000,64),
1328                 }
1329         }, {
1330                 .mfr_id         = MANUFACTURER_SST,
1331                 .dev_id         = SST29LE020,
1332                 .name           = "SST 29LE020",
1333                 .devtypes       = CFI_DEVICETYPE_X8,
1334                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1335                 .dev_size       = SIZE_256KiB,
1336                 .cmd_set        = P_ID_SST_PAGE,
1337                 .nr_regions     = 1,
1338                 .regions = {ERASEINFO(0x01000,64),
1339                 }
1340         }, {
1341                 .mfr_id         = MANUFACTURER_SST,
1342                 .dev_id         = SST39LF020,
1343                 .name           = "SST 39LF020",
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         = SST39LF040,
1355                 .name           = "SST 39LF040",
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                 .mfr_id         = MANUFACTURER_SST,
1366                 .dev_id         = SST39SF010A,
1367                 .name           = "SST 39SF010A",
1368                 .devtypes       = CFI_DEVICETYPE_X8,
1369                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1370                 .dev_size       = SIZE_128KiB,
1371                 .cmd_set        = P_ID_AMD_STD,
1372                 .nr_regions     = 1,
1373                 .regions        = {
1374                         ERASEINFO(0x01000,32),
1375                 }
1376         }, {
1377                 .mfr_id         = MANUFACTURER_SST,
1378                 .dev_id         = SST39SF020A,
1379                 .name           = "SST 39SF020A",
1380                 .devtypes       = CFI_DEVICETYPE_X8,
1381                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1382                 .dev_size       = SIZE_256KiB,
1383                 .cmd_set        = P_ID_AMD_STD,
1384                 .nr_regions     = 1,
1385                 .regions        = {
1386                         ERASEINFO(0x01000,64),
1387                 }
1388         }, {
1389                 .mfr_id         = MANUFACTURER_SST,
1390                 .dev_id         = SST49LF040B,
1391                 .name           = "SST 49LF040B",
1392                 .devtypes       = CFI_DEVICETYPE_X8,
1393                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1394                 .dev_size       = SIZE_512KiB,
1395                 .cmd_set        = P_ID_AMD_STD,
1396                 .nr_regions     = 1,
1397                 .regions        = {
1398                         ERASEINFO(0x01000,128),
1399                 }
1400         }, {
1401
1402                 .mfr_id         = MANUFACTURER_SST,
1403                 .dev_id         = SST49LF004B,
1404                 .name           = "SST 49LF004B",
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         = SST49LF008A,
1416                 .name           = "SST 49LF008A",
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,
1427                 .dev_id         = SST49LF030A,
1428                 .name           = "SST 49LF030A",
1429                 .devtypes       = CFI_DEVICETYPE_X8,
1430                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1431                 .dev_size       = SIZE_512KiB,
1432                 .cmd_set        = P_ID_AMD_STD,
1433                 .nr_regions     = 1,
1434                 .regions        = {
1435                         ERASEINFO(0x01000,96),
1436                 }
1437         }, {
1438                 .mfr_id         = MANUFACTURER_SST,
1439                 .dev_id         = SST49LF040A,
1440                 .name           = "SST 49LF040A",
1441                 .devtypes       = CFI_DEVICETYPE_X8,
1442                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1443                 .dev_size       = SIZE_512KiB,
1444                 .cmd_set        = P_ID_AMD_STD,
1445                 .nr_regions     = 1,
1446                 .regions        = {
1447                         ERASEINFO(0x01000,128),
1448                 }
1449         }, {
1450                 .mfr_id         = MANUFACTURER_SST,
1451                 .dev_id         = SST49LF080A,
1452                 .name           = "SST 49LF080A",
1453                 .devtypes       = CFI_DEVICETYPE_X8,
1454                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1455                 .dev_size       = SIZE_1MiB,
1456                 .cmd_set        = P_ID_AMD_STD,
1457                 .nr_regions     = 1,
1458                 .regions        = {
1459                         ERASEINFO(0x01000,256),
1460                 }
1461         }, {
1462                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1463                 .dev_id         = SST39LF160,
1464                 .name           = "SST 39LF160",
1465                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1466                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1467                 .dev_size       = SIZE_2MiB,
1468                 .cmd_set        = P_ID_AMD_STD,
1469                 .nr_regions     = 2,
1470                 .regions        = {
1471                         ERASEINFO(0x1000,256),
1472                         ERASEINFO(0x1000,256)
1473                 }
1474         }, {
1475                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1476                 .dev_id         = SST39VF1601,
1477                 .name           = "SST 39VF1601",
1478                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1479                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1480                 .dev_size       = SIZE_2MiB,
1481                 .cmd_set        = P_ID_AMD_STD,
1482                 .nr_regions     = 2,
1483                 .regions        = {
1484                         ERASEINFO(0x1000,256),
1485                         ERASEINFO(0x1000,256)
1486                 }
1487         }, {
1488                 .mfr_id         = MANUFACTURER_SST,
1489                 .dev_id         = SST36VF3203,
1490                 .name           = "SST 36VF3203",
1491                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1492                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1493                 .dev_size       = SIZE_4MiB,
1494                 .cmd_set        = P_ID_AMD_STD,
1495                 .nr_regions     = 1,
1496                 .regions        = {
1497                         ERASEINFO(0x10000,64),
1498                 }
1499         }, {
1500                 .mfr_id         = MANUFACTURER_ST,
1501                 .dev_id         = M29F800AB,
1502                 .name           = "ST M29F800AB",
1503                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1504                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1505                 .dev_size       = SIZE_1MiB,
1506                 .cmd_set        = P_ID_AMD_STD,
1507                 .nr_regions     = 4,
1508                 .regions        = {
1509                         ERASEINFO(0x04000,1),
1510                         ERASEINFO(0x02000,2),
1511                         ERASEINFO(0x08000,1),
1512                         ERASEINFO(0x10000,15),
1513                 }
1514         }, {
1515                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1516                 .dev_id         = M29W800DT,
1517                 .name           = "ST M29W800DT",
1518                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1519                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1520                 .dev_size       = SIZE_1MiB,
1521                 .cmd_set        = P_ID_AMD_STD,
1522                 .nr_regions     = 4,
1523                 .regions        = {
1524                         ERASEINFO(0x10000,15),
1525                         ERASEINFO(0x08000,1),
1526                         ERASEINFO(0x02000,2),
1527                         ERASEINFO(0x04000,1)
1528                 }
1529         }, {
1530                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1531                 .dev_id         = M29W800DB,
1532                 .name           = "ST M29W800DB",
1533                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1534                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1535                 .dev_size       = SIZE_1MiB,
1536                 .cmd_set        = P_ID_AMD_STD,
1537                 .nr_regions     = 4,
1538                 .regions        = {
1539                         ERASEINFO(0x04000,1),
1540                         ERASEINFO(0x02000,2),
1541                         ERASEINFO(0x08000,1),
1542                         ERASEINFO(0x10000,15)
1543                 }
1544         },  {
1545                 .mfr_id         = MANUFACTURER_ST,
1546                 .dev_id         = M29W400DT,
1547                 .name           = "ST M29W400DT",
1548                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1549                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1550                 .dev_size       = SIZE_512KiB,
1551                 .cmd_set        = P_ID_AMD_STD,
1552                 .nr_regions     = 4,
1553                 .regions        = {
1554                         ERASEINFO(0x04000,7),
1555                         ERASEINFO(0x02000,1),
1556                         ERASEINFO(0x08000,2),
1557                         ERASEINFO(0x10000,1)
1558                 }
1559         }, {
1560                 .mfr_id         = MANUFACTURER_ST,
1561                 .dev_id         = M29W400DB,
1562                 .name           = "ST M29W400DB",
1563                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1564                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1565                 .dev_size       = SIZE_512KiB,
1566                 .cmd_set        = P_ID_AMD_STD,
1567                 .nr_regions     = 4,
1568                 .regions        = {
1569                         ERASEINFO(0x04000,1),
1570                         ERASEINFO(0x02000,2),
1571                         ERASEINFO(0x08000,1),
1572                         ERASEINFO(0x10000,7)
1573                 }
1574         }, {
1575                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1576                 .dev_id         = M29W160DT,
1577                 .name           = "ST M29W160DT",
1578                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1579                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1580                 .dev_size       = SIZE_2MiB,
1581                 .cmd_set        = P_ID_AMD_STD,
1582                 .nr_regions     = 4,
1583                 .regions        = {
1584                         ERASEINFO(0x10000,31),
1585                         ERASEINFO(0x08000,1),
1586                         ERASEINFO(0x02000,2),
1587                         ERASEINFO(0x04000,1)
1588                 }
1589         }, {
1590                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1591                 .dev_id         = M29W160DB,
1592                 .name           = "ST M29W160DB",
1593                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1594                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1595                 .dev_size       = SIZE_2MiB,
1596                 .cmd_set        = P_ID_AMD_STD,
1597                 .nr_regions     = 4,
1598                 .regions        = {
1599                         ERASEINFO(0x04000,1),
1600                         ERASEINFO(0x02000,2),
1601                         ERASEINFO(0x08000,1),
1602                         ERASEINFO(0x10000,31)
1603                 }
1604         }, {
1605                 .mfr_id         = MANUFACTURER_ST,
1606                 .dev_id         = M29W040B,
1607                 .name           = "ST M29W040B",
1608                 .devtypes       = CFI_DEVICETYPE_X8,
1609                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1610                 .dev_size       = SIZE_512KiB,
1611                 .cmd_set        = P_ID_AMD_STD,
1612                 .nr_regions     = 1,
1613                 .regions        = {
1614                         ERASEINFO(0x10000,8),
1615                 }
1616         }, {
1617                 .mfr_id         = MANUFACTURER_ST,
1618                 .dev_id         = M50FW040,
1619                 .name           = "ST M50FW040",
1620                 .devtypes       = CFI_DEVICETYPE_X8,
1621                 .uaddr          = MTD_UADDR_UNNECESSARY,
1622                 .dev_size       = SIZE_512KiB,
1623                 .cmd_set        = P_ID_INTEL_EXT,
1624                 .nr_regions     = 1,
1625                 .regions        = {
1626                         ERASEINFO(0x10000,8),
1627                 }
1628         }, {
1629                 .mfr_id         = MANUFACTURER_ST,
1630                 .dev_id         = M50FW080,
1631                 .name           = "ST M50FW080",
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     = 1,
1637                 .regions        = {
1638                         ERASEINFO(0x10000,16),
1639                 }
1640         }, {
1641                 .mfr_id         = MANUFACTURER_ST,
1642                 .dev_id         = M50FW016,
1643                 .name           = "ST M50FW016",
1644                 .devtypes       = CFI_DEVICETYPE_X8,
1645                 .uaddr          = MTD_UADDR_UNNECESSARY,
1646                 .dev_size       = SIZE_2MiB,
1647                 .cmd_set        = P_ID_INTEL_EXT,
1648                 .nr_regions     = 1,
1649                 .regions        = {
1650                         ERASEINFO(0x10000,32),
1651                 }
1652         }, {
1653                 .mfr_id         = MANUFACTURER_ST,
1654                 .dev_id         = M50LPW080,
1655                 .name           = "ST M50LPW080",
1656                 .devtypes       = CFI_DEVICETYPE_X8,
1657                 .uaddr          = MTD_UADDR_UNNECESSARY,
1658                 .dev_size       = SIZE_1MiB,
1659                 .cmd_set        = P_ID_INTEL_EXT,
1660                 .nr_regions     = 1,
1661                 .regions        = {
1662                         ERASEINFO(0x10000,16),
1663                 },
1664         }, {
1665                 .mfr_id         = MANUFACTURER_ST,
1666                 .dev_id         = M50FLW080A,
1667                 .name           = "ST M50FLW080A",
1668                 .devtypes       = CFI_DEVICETYPE_X8,
1669                 .uaddr          = MTD_UADDR_UNNECESSARY,
1670                 .dev_size       = SIZE_1MiB,
1671                 .cmd_set        = P_ID_INTEL_EXT,
1672                 .nr_regions     = 4,
1673                 .regions        = {
1674                         ERASEINFO(0x1000,16),
1675                         ERASEINFO(0x10000,13),
1676                         ERASEINFO(0x1000,16),
1677                         ERASEINFO(0x1000,16),
1678                 }
1679         }, {
1680                 .mfr_id         = MANUFACTURER_ST,
1681                 .dev_id         = M50FLW080B,
1682                 .name           = "ST M50FLW080B",
1683                 .devtypes       = CFI_DEVICETYPE_X8,
1684                 .uaddr          = MTD_UADDR_UNNECESSARY,
1685                 .dev_size       = SIZE_1MiB,
1686                 .cmd_set        = P_ID_INTEL_EXT,
1687                 .nr_regions     = 4,
1688                 .regions        = {
1689                         ERASEINFO(0x1000,16),
1690                         ERASEINFO(0x1000,16),
1691                         ERASEINFO(0x10000,13),
1692                         ERASEINFO(0x1000,16),
1693                 }
1694         }, {
1695                 .mfr_id         = MANUFACTURER_TOSHIBA,
1696                 .dev_id         = TC58FVT160,
1697                 .name           = "Toshiba TC58FVT160",
1698                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1699                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1700                 .dev_size       = SIZE_2MiB,
1701                 .cmd_set        = P_ID_AMD_STD,
1702                 .nr_regions     = 4,
1703                 .regions        = {
1704                         ERASEINFO(0x10000,31),
1705                         ERASEINFO(0x08000,1),
1706                         ERASEINFO(0x02000,2),
1707                         ERASEINFO(0x04000,1)
1708                 }
1709         }, {
1710                 .mfr_id         = MANUFACTURER_TOSHIBA,
1711                 .dev_id         = TC58FVB160,
1712                 .name           = "Toshiba TC58FVB160",
1713                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1714                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1715                 .dev_size       = SIZE_2MiB,
1716                 .cmd_set        = P_ID_AMD_STD,
1717                 .nr_regions     = 4,
1718                 .regions        = {
1719                         ERASEINFO(0x04000,1),
1720                         ERASEINFO(0x02000,2),
1721                         ERASEINFO(0x08000,1),
1722                         ERASEINFO(0x10000,31)
1723                 }
1724         }, {
1725                 .mfr_id         = MANUFACTURER_TOSHIBA,
1726                 .dev_id         = TC58FVB321,
1727                 .name           = "Toshiba TC58FVB321",
1728                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1729                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1730                 .dev_size       = SIZE_4MiB,
1731                 .cmd_set        = P_ID_AMD_STD,
1732                 .nr_regions     = 2,
1733                 .regions        = {
1734                         ERASEINFO(0x02000,8),
1735                         ERASEINFO(0x10000,63)
1736                 }
1737         }, {
1738                 .mfr_id         = MANUFACTURER_TOSHIBA,
1739                 .dev_id         = TC58FVT321,
1740                 .name           = "Toshiba TC58FVT321",
1741                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1742                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1743                 .dev_size       = SIZE_4MiB,
1744                 .cmd_set        = P_ID_AMD_STD,
1745                 .nr_regions     = 2,
1746                 .regions        = {
1747                         ERASEINFO(0x10000,63),
1748                         ERASEINFO(0x02000,8)
1749                 }
1750         }, {
1751                 .mfr_id         = MANUFACTURER_TOSHIBA,
1752                 .dev_id         = TC58FVB641,
1753                 .name           = "Toshiba TC58FVB641",
1754                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1755                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1756                 .dev_size       = SIZE_8MiB,
1757                 .cmd_set        = P_ID_AMD_STD,
1758                 .nr_regions     = 2,
1759                 .regions        = {
1760                         ERASEINFO(0x02000,8),
1761                         ERASEINFO(0x10000,127)
1762                 }
1763         }, {
1764                 .mfr_id         = MANUFACTURER_TOSHIBA,
1765                 .dev_id         = TC58FVT641,
1766                 .name           = "Toshiba TC58FVT641",
1767                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1768                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1769                 .dev_size       = SIZE_8MiB,
1770                 .cmd_set        = P_ID_AMD_STD,
1771                 .nr_regions     = 2,
1772                 .regions        = {
1773                         ERASEINFO(0x10000,127),
1774                         ERASEINFO(0x02000,8)
1775                 }
1776         }, {
1777                 .mfr_id         = MANUFACTURER_WINBOND,
1778                 .dev_id         = W49V002A,
1779                 .name           = "Winbond W49V002A",
1780                 .devtypes       = CFI_DEVICETYPE_X8,
1781                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1782                 .dev_size       = SIZE_256KiB,
1783                 .cmd_set        = P_ID_AMD_STD,
1784                 .nr_regions     = 4,
1785                 .regions        = {
1786                         ERASEINFO(0x10000, 3),
1787                         ERASEINFO(0x08000, 1),
1788                         ERASEINFO(0x02000, 2),
1789                         ERASEINFO(0x04000, 1),
1790                 }
1791         }
1792 };
1793
1794 static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1795         struct cfi_private *cfi)
1796 {
1797         map_word result;
1798         unsigned long mask;
1799         int bank = 0;
1800
1801         /* According to JEDEC "Standard Manufacturer's Identification Code"
1802          * (http://www.jedec.org/download/search/jep106W.pdf)
1803          * several first banks can contain 0x7f instead of actual ID
1804          */
1805         do {
1806                 uint32_t ofs = cfi_build_cmd_addr(0 + (bank << 8),
1807                                                   cfi_interleave(cfi),
1808                                                   cfi->device_type);
1809                 mask = (1 << (cfi->device_type * 8)) - 1;
1810                 result = map_read(map, base + ofs);
1811                 bank++;
1812         } while ((result.x[0] & mask) == CONTINUATION_CODE);
1813
1814         return result.x[0] & mask;
1815 }
1816
1817 static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1818         struct cfi_private *cfi)
1819 {
1820         map_word result;
1821         unsigned long mask;
1822         u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type);
1823         mask = (1 << (cfi->device_type * 8)) -1;
1824         result = map_read(map, base + ofs);
1825         return result.x[0] & mask;
1826 }
1827
1828 static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi)
1829 {
1830         /* Reset */
1831
1832         /* after checking the datasheets for SST, MACRONIX and ATMEL
1833          * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1834          * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1835          * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1836          * as they will ignore the writes and dont care what address
1837          * the F0 is written to */
1838         if (cfi->addr_unlock1) {
1839                 DEBUG( MTD_DEBUG_LEVEL3,
1840                        "reset unlock called %x %x \n",
1841                        cfi->addr_unlock1,cfi->addr_unlock2);
1842                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1843                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1844         }
1845
1846         cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1847         /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1848          * so ensure we're in read mode.  Send both the Intel and the AMD command
1849          * for this.  Intel uses 0xff for this, AMD uses 0xff for NOP, so
1850          * this should be safe.
1851          */
1852         cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1853         /* FIXME - should have reset delay before continuing */
1854 }
1855
1856
1857 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1858 {
1859         int i,num_erase_regions;
1860         uint8_t uaddr;
1861
1862         if (! (jedec_table[index].devtypes & p_cfi->device_type)) {
1863                 DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n",
1864                       jedec_table[index].name, 4 * (1<<p_cfi->device_type));
1865                 return 0;
1866         }
1867
1868         printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1869
1870         num_erase_regions = jedec_table[index].nr_regions;
1871
1872         p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1873         if (!p_cfi->cfiq) {
1874                 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1875                 return 0;
1876         }
1877
1878         memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1879
1880         p_cfi->cfiq->P_ID = jedec_table[index].cmd_set;
1881         p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions;
1882         p_cfi->cfiq->DevSize = jedec_table[index].dev_size;
1883         p_cfi->cfi_mode = CFI_MODE_JEDEC;
1884
1885         for (i=0; i<num_erase_regions; i++){
1886                 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1887         }
1888         p_cfi->cmdset_priv = NULL;
1889
1890         /* This may be redundant for some cases, but it doesn't hurt */
1891         p_cfi->mfr = jedec_table[index].mfr_id;
1892         p_cfi->id = jedec_table[index].dev_id;
1893
1894         uaddr = jedec_table[index].uaddr;
1895
1896         /* The table has unlock addresses in _bytes_, and we try not to let
1897            our brains explode when we see the datasheets talking about address
1898            lines numbered from A-1 to A18. The CFI table has unlock addresses
1899            in device-words according to the mode the device is connected in */
1900         p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type;
1901         p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type;
1902
1903         return 1;       /* ok */
1904 }
1905
1906
1907 /*
1908  * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1909  * the mapped address, unlock addresses, and proper chip ID.  This function
1910  * attempts to minimize errors.  It is doubtfull that this probe will ever
1911  * be perfect - consequently there should be some module parameters that
1912  * could be manually specified to force the chip info.
1913  */
1914 static inline int jedec_match( uint32_t base,
1915                                struct map_info *map,
1916                                struct cfi_private *cfi,
1917                                const struct amd_flash_info *finfo )
1918 {
1919         int rc = 0;           /* failure until all tests pass */
1920         u32 mfr, id;
1921         uint8_t uaddr;
1922
1923         /*
1924          * The IDs must match.  For X16 and X32 devices operating in
1925          * a lower width ( X8 or X16 ), the device ID's are usually just
1926          * the lower byte(s) of the larger device ID for wider mode.  If
1927          * a part is found that doesn't fit this assumption (device id for
1928          * smaller width mode is completely unrealated to full-width mode)
1929          * then the jedec_table[] will have to be augmented with the IDs
1930          * for different widths.
1931          */
1932         switch (cfi->device_type) {
1933         case CFI_DEVICETYPE_X8:
1934                 mfr = (uint8_t)finfo->mfr_id;
1935                 id = (uint8_t)finfo->dev_id;
1936
1937                 /* bjd: it seems that if we do this, we can end up
1938                  * detecting 16bit flashes as an 8bit device, even though
1939                  * there aren't.
1940                  */
1941                 if (finfo->dev_id > 0xff) {
1942                         DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1943                                __func__);
1944                         goto match_done;
1945                 }
1946                 break;
1947         case CFI_DEVICETYPE_X16:
1948                 mfr = (uint16_t)finfo->mfr_id;
1949                 id = (uint16_t)finfo->dev_id;
1950                 break;
1951         case CFI_DEVICETYPE_X32:
1952                 mfr = (uint16_t)finfo->mfr_id;
1953                 id = (uint32_t)finfo->dev_id;
1954                 break;
1955         default:
1956                 printk(KERN_WARNING
1957                        "MTD %s(): Unsupported device type %d\n",
1958                        __func__, cfi->device_type);
1959                 goto match_done;
1960         }
1961         if ( cfi->mfr != mfr || cfi->id != id ) {
1962                 goto match_done;
1963         }
1964
1965         /* the part size must fit in the memory window */
1966         DEBUG( MTD_DEBUG_LEVEL3,
1967                "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1968                __func__, base, 1 << finfo->dev_size, base + (1 << finfo->dev_size) );
1969         if ( base + cfi_interleave(cfi) * ( 1 << finfo->dev_size ) > map->size ) {
1970                 DEBUG( MTD_DEBUG_LEVEL3,
1971                        "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1972                        __func__, finfo->mfr_id, finfo->dev_id,
1973                        1 << finfo->dev_size );
1974                 goto match_done;
1975         }
1976
1977         if (! (finfo->devtypes & cfi->device_type))
1978                 goto match_done;
1979
1980         uaddr = finfo->uaddr;
1981
1982         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
1983                __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
1984         if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
1985              && ( unlock_addrs[uaddr].addr1 / cfi->device_type != cfi->addr_unlock1 ||
1986                   unlock_addrs[uaddr].addr2 / cfi->device_type != cfi->addr_unlock2 ) ) {
1987                 DEBUG( MTD_DEBUG_LEVEL3,
1988                         "MTD %s(): 0x%.4x 0x%.4x did not match\n",
1989                         __func__,
1990                         unlock_addrs[uaddr].addr1,
1991                         unlock_addrs[uaddr].addr2);
1992                 goto match_done;
1993         }
1994
1995         /*
1996          * Make sure the ID's dissappear when the device is taken out of
1997          * ID mode.  The only time this should fail when it should succeed
1998          * is when the ID's are written as data to the same
1999          * addresses.  For this rare and unfortunate case the chip
2000          * cannot be probed correctly.
2001          * FIXME - write a driver that takes all of the chip info as
2002          * module parameters, doesn't probe but forces a load.
2003          */
2004         DEBUG( MTD_DEBUG_LEVEL3,
2005                "MTD %s(): check ID's disappear when not in ID mode\n",
2006                __func__ );
2007         jedec_reset( base, map, cfi );
2008         mfr = jedec_read_mfr( map, base, cfi );
2009         id = jedec_read_id( map, base, cfi );
2010         if ( mfr == cfi->mfr && id == cfi->id ) {
2011                 DEBUG( MTD_DEBUG_LEVEL3,
2012                        "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
2013                        "You might need to manually specify JEDEC parameters.\n",
2014                         __func__, cfi->mfr, cfi->id );
2015                 goto match_done;
2016         }
2017
2018         /* all tests passed - mark  as success */
2019         rc = 1;
2020
2021         /*
2022          * Put the device back in ID mode - only need to do this if we
2023          * were truly frobbing a real device.
2024          */
2025         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
2026         if (cfi->addr_unlock1) {
2027                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2028                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2029         }
2030         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2031         /* FIXME - should have a delay before continuing */
2032
2033  match_done:
2034         return rc;
2035 }
2036
2037
2038 static int jedec_probe_chip(struct map_info *map, __u32 base,
2039                             unsigned long *chip_map, struct cfi_private *cfi)
2040 {
2041         int i;
2042         enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
2043         u32 probe_offset1, probe_offset2;
2044
2045  retry:
2046         if (!cfi->numchips) {
2047                 uaddr_idx++;
2048
2049                 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2050                         return 0;
2051
2052                 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1 / cfi->device_type;
2053                 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2 / cfi->device_type;
2054         }
2055
2056         /* Make certain we aren't probing past the end of map */
2057         if (base >= map->size) {
2058                 printk(KERN_NOTICE
2059                         "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2060                         base, map->size -1);
2061                 return 0;
2062
2063         }
2064         /* Ensure the unlock addresses we try stay inside the map */
2065         probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, cfi_interleave(cfi), cfi->device_type);
2066         probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, cfi_interleave(cfi), cfi->device_type);
2067         if (    ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2068                 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2069                 goto retry;
2070
2071         /* Reset */
2072         jedec_reset(base, map, cfi);
2073
2074         /* Autoselect Mode */
2075         if(cfi->addr_unlock1) {
2076                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2077                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2078         }
2079         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2080         /* FIXME - should have a delay before continuing */
2081
2082         if (!cfi->numchips) {
2083                 /* This is the first time we're called. Set up the CFI
2084                    stuff accordingly and return */
2085
2086                 cfi->mfr = jedec_read_mfr(map, base, cfi);
2087                 cfi->id = jedec_read_id(map, base, cfi);
2088                 DEBUG(MTD_DEBUG_LEVEL3,
2089                       "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2090                         cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2091                 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
2092                         if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
2093                                 DEBUG( MTD_DEBUG_LEVEL3,
2094                                        "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2095                                        __func__, cfi->mfr, cfi->id,
2096                                        cfi->addr_unlock1, cfi->addr_unlock2 );
2097                                 if (!cfi_jedec_setup(cfi, i))
2098                                         return 0;
2099                                 goto ok_out;
2100                         }
2101                 }
2102                 goto retry;
2103         } else {
2104                 uint16_t mfr;
2105                 uint16_t id;
2106
2107                 /* Make sure it is a chip of the same manufacturer and id */
2108                 mfr = jedec_read_mfr(map, base, cfi);
2109                 id = jedec_read_id(map, base, cfi);
2110
2111                 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2112                         printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2113                                map->name, mfr, id, base);
2114                         jedec_reset(base, map, cfi);
2115                         return 0;
2116                 }
2117         }
2118
2119         /* Check each previous chip locations to see if it's an alias */
2120         for (i=0; i < (base >> cfi->chipshift); i++) {
2121                 unsigned long start;
2122                 if(!test_bit(i, chip_map)) {
2123                         continue; /* Skip location; no valid chip at this address */
2124                 }
2125                 start = i << cfi->chipshift;
2126                 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2127                     jedec_read_id(map, start, cfi) == cfi->id) {
2128                         /* Eep. This chip also looks like it's in autoselect mode.
2129                            Is it an alias for the new one? */
2130                         jedec_reset(start, map, cfi);
2131
2132                         /* If the device IDs go away, it's an alias */
2133                         if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2134                             jedec_read_id(map, base, cfi) != cfi->id) {
2135                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2136                                        map->name, base, start);
2137                                 return 0;
2138                         }
2139
2140                         /* Yes, it's actually got the device IDs as data. Most
2141                          * unfortunate. Stick the new chip in read mode
2142                          * too and if it's the same, assume it's an alias. */
2143                         /* FIXME: Use other modes to do a proper check */
2144                         jedec_reset(base, map, cfi);
2145                         if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2146                             jedec_read_id(map, base, cfi) == cfi->id) {
2147                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2148                                        map->name, base, start);
2149                                 return 0;
2150                         }
2151                 }
2152         }
2153
2154         /* OK, if we got to here, then none of the previous chips appear to
2155            be aliases for the current one. */
2156         set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2157         cfi->numchips++;
2158
2159 ok_out:
2160         /* Put it back into Read Mode */
2161         jedec_reset(base, map, cfi);
2162
2163         printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2164                map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2165                map->bankwidth*8);
2166
2167         return 1;
2168 }
2169
2170 static struct chip_probe jedec_chip_probe = {
2171         .name = "JEDEC",
2172         .probe_chip = jedec_probe_chip
2173 };
2174
2175 static struct mtd_info *jedec_probe(struct map_info *map)
2176 {
2177         /*
2178          * Just use the generic probe stuff to call our CFI-specific
2179          * chip_probe routine in all the possible permutations, etc.
2180          */
2181         return mtd_do_chip_probe(map, &jedec_chip_probe);
2182 }
2183
2184 static struct mtd_chip_driver jedec_chipdrv = {
2185         .probe  = jedec_probe,
2186         .name   = "jedec_probe",
2187         .module = THIS_MODULE
2188 };
2189
2190 static int __init jedec_probe_init(void)
2191 {
2192         register_mtd_chip_driver(&jedec_chipdrv);
2193         return 0;
2194 }
2195
2196 static void __exit jedec_probe_exit(void)
2197 {
2198         unregister_mtd_chip_driver(&jedec_chipdrv);
2199 }
2200
2201 module_init(jedec_probe_init);
2202 module_exit(jedec_probe_exit);
2203
2204 MODULE_LICENSE("GPL");
2205 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2206 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");