git.oblomov.eu Git - linux-2.6/blob - drivers/mtd/chips/jedec_probe.c

   1 /*
   2    Common Flash Interface probe code.
   3    (C) 2000 Red Hat. GPL'd.
   4    See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
   5    for the standard this probe goes back to.
   6
   7    Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
   8 */
   9
  10 #include <linux/module.h>
  11 #include <linux/init.h>
  12 #include <linux/types.h>
  13 #include <linux/kernel.h>
  14 #include <asm/io.h>
  15 #include <asm/byteorder.h>
  16 #include <linux/errno.h>
  17 #include <linux/slab.h>
  18 #include <linux/interrupt.h>
  19
  20 #include <linux/mtd/mtd.h>
  21 #include <linux/mtd/map.h>
  22 #include <linux/mtd/cfi.h>
  23 #include <linux/mtd/gen_probe.h>
  24
  25 /* Manufacturers */
  26 #define MANUFACTURER_AMD        0x0001
  27 #define MANUFACTURER_ATMEL      0x001f
  28 #define MANUFACTURER_EON        0x001c
  29 #define MANUFACTURER_FUJITSU    0x0004
  30 #define MANUFACTURER_HYUNDAI    0x00AD
  31 #define MANUFACTURER_INTEL      0x0089
  32 #define MANUFACTURER_MACRONIX   0x00C2
  33 #define MANUFACTURER_NEC        0x0010
  34 #define MANUFACTURER_PMC        0x009D
  35 #define MANUFACTURER_SHARP      0x00b0
  36 #define MANUFACTURER_SST        0x00BF
  37 #define MANUFACTURER_ST         0x0020
  38 #define MANUFACTURER_TOSHIBA    0x0098
  39 #define MANUFACTURER_WINBOND    0x00da
  40 #define CONTINUATION_CODE       0x007f
  41
  42
  43 /* AMD */
  44 #define AM29DL800BB     0x22CB
  45 #define AM29DL800BT     0x224A
  46
  47 #define AM29F800BB      0x2258
  48 #define AM29F800BT      0x22D6
  49 #define AM29LV400BB     0x22BA
  50 #define AM29LV400BT     0x22B9
  51 #define AM29LV800BB     0x225B
  52 #define AM29LV800BT     0x22DA
  53 #define AM29LV160DT     0x22C4
  54 #define AM29LV160DB     0x2249
  55 #define AM29F017D       0x003D
  56 #define AM29F016D       0x00AD
  57 #define AM29F080        0x00D5
  58 #define AM29F040        0x00A4
  59 #define AM29LV040B      0x004F
  60 #define AM29F032B       0x0041
  61 #define AM29F002T       0x00B0
  62 #define AM29SL800DB     0x226B
  63 #define AM29SL800DT     0x22EA
  64
  65 /* Atmel */
  66 #define AT49BV512       0x0003
  67 #define AT29LV512       0x003d
  68 #define AT49BV16X       0x00C0
  69 #define AT49BV16XT      0x00C2
  70 #define AT49BV32X       0x00C8
  71 #define AT49BV32XT      0x00C9
  72
  73 /* Eon */
  74 #define EN29SL800BB     0x226B
  75 #define EN29SL800BT     0x22EA
  76
  77 /* Fujitsu */
  78 #define MBM29F040C      0x00A4
  79 #define MBM29F800BA     0x2258
  80 #define MBM29LV650UE    0x22D7
  81 #define MBM29LV320TE    0x22F6
  82 #define MBM29LV320BE    0x22F9
  83 #define MBM29LV160TE    0x22C4
  84 #define MBM29LV160BE    0x2249
  85 #define MBM29LV800BA    0x225B
  86 #define MBM29LV800TA    0x22DA
  87 #define MBM29LV400TC    0x22B9
  88 #define MBM29LV400BC    0x22BA
  89
  90 /* Hyundai */
  91 #define HY29F002T       0x00B0
  92
  93 /* Intel */
  94 #define I28F004B3T      0x00d4
  95 #define I28F004B3B      0x00d5
  96 #define I28F400B3T      0x8894
  97 #define I28F400B3B      0x8895
  98 #define I28F008S5       0x00a6
  99 #define I28F016S5       0x00a0
 100 #define I28F008SA       0x00a2
 101 #define I28F008B3T      0x00d2
 102 #define I28F008B3B      0x00d3
 103 #define I28F800B3T      0x8892
 104 #define I28F800B3B      0x8893
 105 #define I28F016S3       0x00aa
 106 #define I28F016B3T      0x00d0
 107 #define I28F016B3B      0x00d1
 108 #define I28F160B3T      0x8890
 109 #define I28F160B3B      0x8891
 110 #define I28F320B3T      0x8896
 111 #define I28F320B3B      0x8897
 112 #define I28F640B3T      0x8898
 113 #define I28F640B3B      0x8899
 114 #define I82802AB        0x00ad
 115 #define I82802AC        0x00ac
 116
 117 /* Macronix */
 118 #define MX29LV040C      0x004F
 119 #define MX29LV160T      0x22C4
 120 #define MX29LV160B      0x2249
 121 #define MX29F040        0x00A4
 122 #define MX29F016        0x00AD
 123 #define MX29F002T       0x00B0
 124 #define MX29F004T       0x0045
 125 #define MX29F004B       0x0046
 126
 127 /* NEC */
 128 #define UPD29F064115    0x221C
 129
 130 /* PMC */
 131 #define PM49FL002       0x006D
 132 #define PM49FL004       0x006E
 133 #define PM49FL008       0x006A
 134
 135 /* Sharp */
 136 #define LH28F640BF      0x00b0
 137
 138 /* ST - www.st.com */
 139 #define M29F800AB       0x0058
 140 #define M29W800DT       0x00D7
 141 #define M29W800DB       0x005B
 142 #define M29W400DT       0x00EE
 143 #define M29W400DB       0x00EF
 144 #define M29W160DT       0x22C4
 145 #define M29W160DB       0x2249
 146 #define M29W040B        0x00E3
 147 #define M50FW040        0x002C
 148 #define M50FW080        0x002D
 149 #define M50FW016        0x002E
 150 #define M50LPW080       0x002F
 151 #define M50FLW080A      0x0080
 152 #define M50FLW080B      0x0081
 153
 154 /* SST */
 155 #define SST29EE020      0x0010
 156 #define SST29LE020      0x0012
 157 #define SST29EE512      0x005d
 158 #define SST29LE512      0x003d
 159 #define SST39LF800      0x2781
 160 #define SST39LF160      0x2782
 161 #define SST39VF1601     0x234b
 162 #define SST39VF3201     0x235b
 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_0xAAAA_0x5555,
 205         MTD_UADDR_DONT_CARE,            /* Requires an arbitrary address */
 206         MTD_UADDR_UNNECESSARY,          /* Does not require any address */
 207 };
 208
 209
 210 struct unlock_addr {
 211         uint32_t addr1;
 212         uint32_t addr2;
 213 };
 214
 215
 216 /*
 217  * I don't like the fact that the first entry in unlock_addrs[]
 218  * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
 219  * should not be used.  The  problem is that structures with
 220  * initializers have extra fields initialized to 0.  It is _very_
 221  * desireable to have the unlock address entries for unsupported
 222  * data widths automatically initialized - that means that
 223  * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
 224  * must go unused.
 225  */
 226 static const struct unlock_addr  unlock_addrs[] = {
 227         [MTD_UADDR_NOT_SUPPORTED] = {
 228                 .addr1 = 0xffff,
 229                 .addr2 = 0xffff
 230         },
 231
 232         [MTD_UADDR_0x0555_0x02AA] = {
 233                 .addr1 = 0x0555,
 234                 .addr2 = 0x02aa
 235         },
 236
 237         [MTD_UADDR_0x0555_0x0AAA] = {
 238                 .addr1 = 0x0555,
 239                 .addr2 = 0x0aaa
 240         },
 241
 242         [MTD_UADDR_0x5555_0x2AAA] = {
 243                 .addr1 = 0x5555,
 244                 .addr2 = 0x2aaa
 245         },
 246
 247         [MTD_UADDR_0x0AAA_0x0555] = {
 248                 .addr1 = 0x0AAA,
 249                 .addr2 = 0x0555
 250         },
 251
 252         [MTD_UADDR_0xAAAA_0x5555] = {
 253                 .addr1 = 0xaaaa,
 254                 .addr2 = 0x5555
 255         },
 256
 257         [MTD_UADDR_DONT_CARE] = {
 258                 .addr1 = 0x0000,      /* Doesn't matter which address */
 259                 .addr2 = 0x0000       /* is used - must be last entry */
 260         },
 261
 262         [MTD_UADDR_UNNECESSARY] = {
 263                 .addr1 = 0x0000,
 264                 .addr2 = 0x0000
 265         }
 266 };
 267
 268 struct amd_flash_info {
 269         const char *name;
 270         const uint16_t mfr_id;
 271         const uint16_t dev_id;
 272         const uint8_t dev_size;
 273         const uint8_t nr_regions;
 274         const uint16_t cmd_set;
 275         const uint32_t regions[6];
 276         const uint8_t devtypes;         /* Bitmask for x8, x16 etc. */
 277         const uint8_t uaddr;            /* unlock addrs for 8, 16, 32, 64 */
 278 };
 279
 280 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
 281
 282 #define SIZE_64KiB  16
 283 #define SIZE_128KiB 17
 284 #define SIZE_256KiB 18
 285 #define SIZE_512KiB 19
 286 #define SIZE_1MiB   20
 287 #define SIZE_2MiB   21
 288 #define SIZE_4MiB   22
 289 #define SIZE_8MiB   23
 290
 291
 292 /*
 293  * Please keep this list ordered by manufacturer!
 294  * Fortunately, the list isn't searched often and so a
 295  * slow, linear search isn't so bad.
 296  */
 297 static const struct amd_flash_info jedec_table[] = {
 298         {
 299                 .mfr_id         = MANUFACTURER_AMD,
 300                 .dev_id         = AM29F032B,
 301                 .name           = "AMD AM29F032B",
 302                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 303                 .devtypes       = CFI_DEVICETYPE_X8,
 304                 .dev_size       = SIZE_4MiB,
 305                 .cmd_set        = P_ID_AMD_STD,
 306                 .nr_regions     = 1,
 307                 .regions        = {
 308                         ERASEINFO(0x10000,64)
 309                 }
 310         }, {
 311                 .mfr_id         = MANUFACTURER_AMD,
 312                 .dev_id         = AM29LV160DT,
 313                 .name           = "AMD AM29LV160DT",
 314                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 315                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 316                 .dev_size       = SIZE_2MiB,
 317                 .cmd_set        = P_ID_AMD_STD,
 318                 .nr_regions     = 4,
 319                 .regions        = {
 320                         ERASEINFO(0x10000,31),
 321                         ERASEINFO(0x08000,1),
 322                         ERASEINFO(0x02000,2),
 323                         ERASEINFO(0x04000,1)
 324                 }
 325         }, {
 326                 .mfr_id         = MANUFACTURER_AMD,
 327                 .dev_id         = AM29LV160DB,
 328                 .name           = "AMD AM29LV160DB",
 329                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 330                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 331                 .dev_size       = SIZE_2MiB,
 332                 .cmd_set        = P_ID_AMD_STD,
 333                 .nr_regions     = 4,
 334                 .regions        = {
 335                         ERASEINFO(0x04000,1),
 336                         ERASEINFO(0x02000,2),
 337                         ERASEINFO(0x08000,1),
 338                         ERASEINFO(0x10000,31)
 339                 }
 340         }, {
 341                 .mfr_id         = MANUFACTURER_AMD,
 342                 .dev_id         = AM29LV400BB,
 343                 .name           = "AMD AM29LV400BB",
 344                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 345                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 346                 .dev_size       = SIZE_512KiB,
 347                 .cmd_set        = P_ID_AMD_STD,
 348                 .nr_regions     = 4,
 349                 .regions        = {
 350                         ERASEINFO(0x04000,1),
 351                         ERASEINFO(0x02000,2),
 352                         ERASEINFO(0x08000,1),
 353                         ERASEINFO(0x10000,7)
 354                 }
 355         }, {
 356                 .mfr_id         = MANUFACTURER_AMD,
 357                 .dev_id         = AM29LV400BT,
 358                 .name           = "AMD AM29LV400BT",
 359                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 360                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 361                 .dev_size       = SIZE_512KiB,
 362                 .cmd_set        = P_ID_AMD_STD,
 363                 .nr_regions     = 4,
 364                 .regions        = {
 365                         ERASEINFO(0x10000,7),
 366                         ERASEINFO(0x08000,1),
 367                         ERASEINFO(0x02000,2),
 368                         ERASEINFO(0x04000,1)
 369                 }
 370         }, {
 371                 .mfr_id         = MANUFACTURER_AMD,
 372                 .dev_id         = AM29LV800BB,
 373                 .name           = "AMD AM29LV800BB",
 374                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 375                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 376                 .dev_size       = SIZE_1MiB,
 377                 .cmd_set        = P_ID_AMD_STD,
 378                 .nr_regions     = 4,
 379                 .regions        = {
 380                         ERASEINFO(0x04000,1),
 381                         ERASEINFO(0x02000,2),
 382                         ERASEINFO(0x08000,1),
 383                         ERASEINFO(0x10000,15),
 384                 }
 385         }, {
 386 /* add DL */
 387                 .mfr_id         = MANUFACTURER_AMD,
 388                 .dev_id         = AM29DL800BB,
 389                 .name           = "AMD AM29DL800BB",
 390                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 391                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 392                 .dev_size       = SIZE_1MiB,
 393                 .cmd_set        = P_ID_AMD_STD,
 394                 .nr_regions     = 6,
 395                 .regions        = {
 396                         ERASEINFO(0x04000,1),
 397                         ERASEINFO(0x08000,1),
 398                         ERASEINFO(0x02000,4),
 399                         ERASEINFO(0x08000,1),
 400                         ERASEINFO(0x04000,1),
 401                         ERASEINFO(0x10000,14)
 402                 }
 403         }, {
 404                 .mfr_id         = MANUFACTURER_AMD,
 405                 .dev_id         = AM29DL800BT,
 406                 .name           = "AMD AM29DL800BT",
 407                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 408                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 409                 .dev_size       = SIZE_1MiB,
 410                 .cmd_set        = P_ID_AMD_STD,
 411                 .nr_regions     = 6,
 412                 .regions        = {
 413                         ERASEINFO(0x10000,14),
 414                         ERASEINFO(0x04000,1),
 415                         ERASEINFO(0x08000,1),
 416                         ERASEINFO(0x02000,4),
 417                         ERASEINFO(0x08000,1),
 418                         ERASEINFO(0x04000,1)
 419                 }
 420         }, {
 421                 .mfr_id         = MANUFACTURER_AMD,
 422                 .dev_id         = AM29F800BB,
 423                 .name           = "AMD AM29F800BB",
 424                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 425                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 426                 .dev_size       = SIZE_1MiB,
 427                 .cmd_set        = P_ID_AMD_STD,
 428                 .nr_regions     = 4,
 429                 .regions        = {
 430                         ERASEINFO(0x04000,1),
 431                         ERASEINFO(0x02000,2),
 432                         ERASEINFO(0x08000,1),
 433                         ERASEINFO(0x10000,15),
 434                 }
 435         }, {
 436                 .mfr_id         = MANUFACTURER_AMD,
 437                 .dev_id         = AM29LV800BT,
 438                 .name           = "AMD AM29LV800BT",
 439                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 440                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 441                 .dev_size       = SIZE_1MiB,
 442                 .cmd_set        = P_ID_AMD_STD,
 443                 .nr_regions     = 4,
 444                 .regions        = {
 445                         ERASEINFO(0x10000,15),
 446                         ERASEINFO(0x08000,1),
 447                         ERASEINFO(0x02000,2),
 448                         ERASEINFO(0x04000,1)
 449                 }
 450         }, {
 451                 .mfr_id         = MANUFACTURER_AMD,
 452                 .dev_id         = AM29F800BT,
 453                 .name           = "AMD AM29F800BT",
 454                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 455                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 456                 .dev_size       = SIZE_1MiB,
 457                 .cmd_set        = P_ID_AMD_STD,
 458                 .nr_regions     = 4,
 459                 .regions        = {
 460                         ERASEINFO(0x10000,15),
 461                         ERASEINFO(0x08000,1),
 462                         ERASEINFO(0x02000,2),
 463                         ERASEINFO(0x04000,1)
 464                 }
 465         }, {
 466                 .mfr_id         = MANUFACTURER_AMD,
 467                 .dev_id         = AM29F017D,
 468                 .name           = "AMD AM29F017D",
 469                 .devtypes       = CFI_DEVICETYPE_X8,
 470                 .uaddr          = MTD_UADDR_DONT_CARE,
 471                 .dev_size       = SIZE_2MiB,
 472                 .cmd_set        = P_ID_AMD_STD,
 473                 .nr_regions     = 1,
 474                 .regions        = {
 475                         ERASEINFO(0x10000,32),
 476                 }
 477         }, {
 478                 .mfr_id         = MANUFACTURER_AMD,
 479                 .dev_id         = AM29F016D,
 480                 .name           = "AMD AM29F016D",
 481                 .devtypes       = CFI_DEVICETYPE_X8,
 482                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 483                 .dev_size       = SIZE_2MiB,
 484                 .cmd_set        = P_ID_AMD_STD,
 485                 .nr_regions     = 1,
 486                 .regions        = {
 487                         ERASEINFO(0x10000,32),
 488                 }
 489         }, {
 490                 .mfr_id         = MANUFACTURER_AMD,
 491                 .dev_id         = AM29F080,
 492                 .name           = "AMD AM29F080",
 493                 .devtypes       = CFI_DEVICETYPE_X8,
 494                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 495                 .dev_size       = SIZE_1MiB,
 496                 .cmd_set        = P_ID_AMD_STD,
 497                 .nr_regions     = 1,
 498                 .regions        = {
 499                         ERASEINFO(0x10000,16),
 500                 }
 501         }, {
 502                 .mfr_id         = MANUFACTURER_AMD,
 503                 .dev_id         = AM29F040,
 504                 .name           = "AMD AM29F040",
 505                 .devtypes       = CFI_DEVICETYPE_X8,
 506                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 507                 .dev_size       = SIZE_512KiB,
 508                 .cmd_set        = P_ID_AMD_STD,
 509                 .nr_regions     = 1,
 510                 .regions        = {
 511                         ERASEINFO(0x10000,8),
 512                 }
 513         }, {
 514                 .mfr_id         = MANUFACTURER_AMD,
 515                 .dev_id         = AM29LV040B,
 516                 .name           = "AMD AM29LV040B",
 517                 .devtypes       = CFI_DEVICETYPE_X8,
 518                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 519                 .dev_size       = SIZE_512KiB,
 520                 .cmd_set        = P_ID_AMD_STD,
 521                 .nr_regions     = 1,
 522                 .regions        = {
 523                         ERASEINFO(0x10000,8),
 524                 }
 525         }, {
 526                 .mfr_id         = MANUFACTURER_AMD,
 527                 .dev_id         = AM29F002T,
 528                 .name           = "AMD AM29F002T",
 529                 .devtypes       = CFI_DEVICETYPE_X8,
 530                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 531                 .dev_size       = SIZE_256KiB,
 532                 .cmd_set        = P_ID_AMD_STD,
 533                 .nr_regions     = 4,
 534                 .regions        = {
 535                         ERASEINFO(0x10000,3),
 536                         ERASEINFO(0x08000,1),
 537                         ERASEINFO(0x02000,2),
 538                         ERASEINFO(0x04000,1),
 539                 }
 540         }, {
 541                 .mfr_id         = MANUFACTURER_AMD,
 542                 .dev_id         = AM29SL800DT,
 543                 .name           = "AMD AM29SL800DT",
 544                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 545                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 546                 .dev_size       = SIZE_1MiB,
 547                 .cmd_set        = P_ID_AMD_STD,
 548                 .nr_regions     = 4,
 549                 .regions        = {
 550                         ERASEINFO(0x10000,15),
 551                         ERASEINFO(0x08000,1),
 552                         ERASEINFO(0x02000,2),
 553                         ERASEINFO(0x04000,1),
 554                 }
 555         }, {
 556                 .mfr_id         = MANUFACTURER_AMD,
 557                 .dev_id         = AM29SL800DB,
 558                 .name           = "AMD AM29SL800DB",
 559                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 560                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 561                 .dev_size       = SIZE_1MiB,
 562                 .cmd_set        = P_ID_AMD_STD,
 563                 .nr_regions     = 4,
 564                 .regions        = {
 565                         ERASEINFO(0x04000,1),
 566                         ERASEINFO(0x02000,2),
 567                         ERASEINFO(0x08000,1),
 568                         ERASEINFO(0x10000,15),
 569                 }
 570         }, {
 571                 .mfr_id         = MANUFACTURER_ATMEL,
 572                 .dev_id         = AT49BV512,
 573                 .name           = "Atmel AT49BV512",
 574                 .devtypes       = CFI_DEVICETYPE_X8,
 575                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 576                 .dev_size       = SIZE_64KiB,
 577                 .cmd_set        = P_ID_AMD_STD,
 578                 .nr_regions     = 1,
 579                 .regions        = {
 580                         ERASEINFO(0x10000,1)
 581                 }
 582         }, {
 583                 .mfr_id         = MANUFACTURER_ATMEL,
 584                 .dev_id         = AT29LV512,
 585                 .name           = "Atmel AT29LV512",
 586                 .devtypes       = CFI_DEVICETYPE_X8,
 587                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 588                 .dev_size       = SIZE_64KiB,
 589                 .cmd_set        = P_ID_AMD_STD,
 590                 .nr_regions     = 1,
 591                 .regions        = {
 592                         ERASEINFO(0x80,256),
 593                         ERASEINFO(0x80,256)
 594                 }
 595         }, {
 596                 .mfr_id         = MANUFACTURER_ATMEL,
 597                 .dev_id         = AT49BV16X,
 598                 .name           = "Atmel AT49BV16X",
 599                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 600                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 601                 .dev_size       = SIZE_2MiB,
 602                 .cmd_set        = P_ID_AMD_STD,
 603                 .nr_regions     = 2,
 604                 .regions        = {
 605                         ERASEINFO(0x02000,8),
 606                         ERASEINFO(0x10000,31)
 607                 }
 608         }, {
 609                 .mfr_id         = MANUFACTURER_ATMEL,
 610                 .dev_id         = AT49BV16XT,
 611                 .name           = "Atmel AT49BV16XT",
 612                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 613                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 614                 .dev_size       = SIZE_2MiB,
 615                 .cmd_set        = P_ID_AMD_STD,
 616                 .nr_regions     = 2,
 617                 .regions        = {
 618                         ERASEINFO(0x10000,31),
 619                         ERASEINFO(0x02000,8)
 620                 }
 621         }, {
 622                 .mfr_id         = MANUFACTURER_ATMEL,
 623                 .dev_id         = AT49BV32X,
 624                 .name           = "Atmel AT49BV32X",
 625                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 626                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 627                 .dev_size       = SIZE_4MiB,
 628                 .cmd_set        = P_ID_AMD_STD,
 629                 .nr_regions     = 2,
 630                 .regions        = {
 631                         ERASEINFO(0x02000,8),
 632                         ERASEINFO(0x10000,63)
 633                 }
 634         }, {
 635                 .mfr_id         = MANUFACTURER_ATMEL,
 636                 .dev_id         = AT49BV32XT,
 637                 .name           = "Atmel AT49BV32XT",
 638                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 639                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 640                 .dev_size       = SIZE_4MiB,
 641                 .cmd_set        = P_ID_AMD_STD,
 642                 .nr_regions     = 2,
 643                 .regions        = {
 644                         ERASEINFO(0x10000,63),
 645                         ERASEINFO(0x02000,8)
 646                 }
 647         }, {
 648                 .mfr_id         = MANUFACTURER_EON,
 649                 .dev_id         = EN29SL800BT,
 650                 .name           = "Eon EN29SL800BT",
 651                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 652                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 653                 .dev_size       = SIZE_1MiB,
 654                 .cmd_set        = P_ID_AMD_STD,
 655                 .nr_regions     = 4,
 656                 .regions        = {
 657                         ERASEINFO(0x10000,15),
 658                         ERASEINFO(0x08000,1),
 659                         ERASEINFO(0x02000,2),
 660                         ERASEINFO(0x04000,1),
 661                 }
 662         }, {
 663                 .mfr_id         = MANUFACTURER_EON,
 664                 .dev_id         = EN29SL800BB,
 665                 .name           = "Eon EN29SL800BB",
 666                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 667                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 668                 .dev_size       = SIZE_1MiB,
 669                 .cmd_set        = P_ID_AMD_STD,
 670                 .nr_regions     = 4,
 671                 .regions        = {
 672                         ERASEINFO(0x04000,1),
 673                         ERASEINFO(0x02000,2),
 674                         ERASEINFO(0x08000,1),
 675                         ERASEINFO(0x10000,15),
 676                 }
 677         }, {
 678                 .mfr_id         = MANUFACTURER_FUJITSU,
 679                 .dev_id         = MBM29F040C,
 680                 .name           = "Fujitsu MBM29F040C",
 681                 .devtypes       = CFI_DEVICETYPE_X8,
 682                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 683                 .dev_size       = SIZE_512KiB,
 684                 .cmd_set        = P_ID_AMD_STD,
 685                 .nr_regions     = 1,
 686                 .regions        = {
 687                         ERASEINFO(0x10000,8)
 688                 }
 689         }, {
 690                 .mfr_id         = MANUFACTURER_FUJITSU,
 691                 .dev_id         = MBM29F800BA,
 692                 .name           = "Fujitsu MBM29F800BA",
 693                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 694                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 695                 .dev_size       = SIZE_1MiB,
 696                 .cmd_set        = P_ID_AMD_STD,
 697                 .nr_regions     = 4,
 698                 .regions        = {
 699                         ERASEINFO(0x04000,1),
 700                         ERASEINFO(0x02000,2),
 701                         ERASEINFO(0x08000,1),
 702                         ERASEINFO(0x10000,15),
 703                 }
 704         }, {
 705                 .mfr_id         = MANUFACTURER_FUJITSU,
 706                 .dev_id         = MBM29LV650UE,
 707                 .name           = "Fujitsu MBM29LV650UE",
 708                 .devtypes       = CFI_DEVICETYPE_X8,
 709                 .uaddr          = MTD_UADDR_DONT_CARE,
 710                 .dev_size       = SIZE_8MiB,
 711                 .cmd_set        = P_ID_AMD_STD,
 712                 .nr_regions     = 1,
 713                 .regions        = {
 714                         ERASEINFO(0x10000,128)
 715                 }
 716         }, {
 717                 .mfr_id         = MANUFACTURER_FUJITSU,
 718                 .dev_id         = MBM29LV320TE,
 719                 .name           = "Fujitsu MBM29LV320TE",
 720                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 721                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 722                 .dev_size       = SIZE_4MiB,
 723                 .cmd_set        = P_ID_AMD_STD,
 724                 .nr_regions     = 2,
 725                 .regions        = {
 726                         ERASEINFO(0x10000,63),
 727                         ERASEINFO(0x02000,8)
 728                 }
 729         }, {
 730                 .mfr_id         = MANUFACTURER_FUJITSU,
 731                 .dev_id         = MBM29LV320BE,
 732                 .name           = "Fujitsu MBM29LV320BE",
 733                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 734                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 735                 .dev_size       = SIZE_4MiB,
 736                 .cmd_set        = P_ID_AMD_STD,
 737                 .nr_regions     = 2,
 738                 .regions        = {
 739                         ERASEINFO(0x02000,8),
 740                         ERASEINFO(0x10000,63)
 741                 }
 742         }, {
 743                 .mfr_id         = MANUFACTURER_FUJITSU,
 744                 .dev_id         = MBM29LV160TE,
 745                 .name           = "Fujitsu MBM29LV160TE",
 746                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 747                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 748                 .dev_size       = SIZE_2MiB,
 749                 .cmd_set        = P_ID_AMD_STD,
 750                 .nr_regions     = 4,
 751                 .regions        = {
 752                         ERASEINFO(0x10000,31),
 753                         ERASEINFO(0x08000,1),
 754                         ERASEINFO(0x02000,2),
 755                         ERASEINFO(0x04000,1)
 756                 }
 757         }, {
 758                 .mfr_id         = MANUFACTURER_FUJITSU,
 759                 .dev_id         = MBM29LV160BE,
 760                 .name           = "Fujitsu MBM29LV160BE",
 761                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 762                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 763                 .dev_size       = SIZE_2MiB,
 764                 .cmd_set        = P_ID_AMD_STD,
 765                 .nr_regions     = 4,
 766                 .regions        = {
 767                         ERASEINFO(0x04000,1),
 768                         ERASEINFO(0x02000,2),
 769                         ERASEINFO(0x08000,1),
 770                         ERASEINFO(0x10000,31)
 771                 }
 772         }, {
 773                 .mfr_id         = MANUFACTURER_FUJITSU,
 774                 .dev_id         = MBM29LV800BA,
 775                 .name           = "Fujitsu MBM29LV800BA",
 776                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 777                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 778                 .dev_size       = SIZE_1MiB,
 779                 .cmd_set        = P_ID_AMD_STD,
 780                 .nr_regions     = 4,
 781                 .regions        = {
 782                         ERASEINFO(0x04000,1),
 783                         ERASEINFO(0x02000,2),
 784                         ERASEINFO(0x08000,1),
 785                         ERASEINFO(0x10000,15)
 786                 }
 787         }, {
 788                 .mfr_id         = MANUFACTURER_FUJITSU,
 789                 .dev_id         = MBM29LV800TA,
 790                 .name           = "Fujitsu MBM29LV800TA",
 791                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 792                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 793                 .dev_size       = SIZE_1MiB,
 794                 .cmd_set        = P_ID_AMD_STD,
 795                 .nr_regions     = 4,
 796                 .regions        = {
 797                         ERASEINFO(0x10000,15),
 798                         ERASEINFO(0x08000,1),
 799                         ERASEINFO(0x02000,2),
 800                         ERASEINFO(0x04000,1)
 801                 }
 802         }, {
 803                 .mfr_id         = MANUFACTURER_FUJITSU,
 804                 .dev_id         = MBM29LV400BC,
 805                 .name           = "Fujitsu MBM29LV400BC",
 806                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 807                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 808                 .dev_size       = SIZE_512KiB,
 809                 .cmd_set        = P_ID_AMD_STD,
 810                 .nr_regions     = 4,
 811                 .regions        = {
 812                         ERASEINFO(0x04000,1),
 813                         ERASEINFO(0x02000,2),
 814                         ERASEINFO(0x08000,1),
 815                         ERASEINFO(0x10000,7)
 816                 }
 817         }, {
 818                 .mfr_id         = MANUFACTURER_FUJITSU,
 819                 .dev_id         = MBM29LV400TC,
 820                 .name           = "Fujitsu MBM29LV400TC",
 821                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 822                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 823                 .dev_size       = SIZE_512KiB,
 824                 .cmd_set        = P_ID_AMD_STD,
 825                 .nr_regions     = 4,
 826                 .regions        = {
 827                         ERASEINFO(0x10000,7),
 828                         ERASEINFO(0x08000,1),
 829                         ERASEINFO(0x02000,2),
 830                         ERASEINFO(0x04000,1)
 831                 }
 832         }, {
 833                 .mfr_id         = MANUFACTURER_HYUNDAI,
 834                 .dev_id         = HY29F002T,
 835                 .name           = "Hyundai HY29F002T",
 836                 .devtypes       = CFI_DEVICETYPE_X8,
 837                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 838                 .dev_size       = SIZE_256KiB,
 839                 .cmd_set        = P_ID_AMD_STD,
 840                 .nr_regions     = 4,
 841                 .regions        = {
 842                         ERASEINFO(0x10000,3),
 843                         ERASEINFO(0x08000,1),
 844                         ERASEINFO(0x02000,2),
 845                         ERASEINFO(0x04000,1),
 846                 }
 847         }, {
 848                 .mfr_id         = MANUFACTURER_INTEL,
 849                 .dev_id         = I28F004B3B,
 850                 .name           = "Intel 28F004B3B",
 851                 .devtypes       = CFI_DEVICETYPE_X8,
 852                 .uaddr          = MTD_UADDR_UNNECESSARY,
 853                 .dev_size       = SIZE_512KiB,
 854                 .cmd_set        = P_ID_INTEL_STD,
 855                 .nr_regions     = 2,
 856                 .regions        = {
 857                         ERASEINFO(0x02000, 8),
 858                         ERASEINFO(0x10000, 7),
 859                 }
 860         }, {
 861                 .mfr_id         = MANUFACTURER_INTEL,
 862                 .dev_id         = I28F004B3T,
 863                 .name           = "Intel 28F004B3T",
 864                 .devtypes       = CFI_DEVICETYPE_X8,
 865                 .uaddr          = MTD_UADDR_UNNECESSARY,
 866                 .dev_size       = SIZE_512KiB,
 867                 .cmd_set        = P_ID_INTEL_STD,
 868                 .nr_regions     = 2,
 869                 .regions        = {
 870                         ERASEINFO(0x10000, 7),
 871                         ERASEINFO(0x02000, 8),
 872                 }
 873         }, {
 874                 .mfr_id         = MANUFACTURER_INTEL,
 875                 .dev_id         = I28F400B3B,
 876                 .name           = "Intel 28F400B3B",
 877                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 878                 .uaddr          = MTD_UADDR_UNNECESSARY,
 879                 .dev_size       = SIZE_512KiB,
 880                 .cmd_set        = P_ID_INTEL_STD,
 881                 .nr_regions     = 2,
 882                 .regions        = {
 883                         ERASEINFO(0x02000, 8),
 884                         ERASEINFO(0x10000, 7),
 885                 }
 886         }, {
 887                 .mfr_id         = MANUFACTURER_INTEL,
 888                 .dev_id         = I28F400B3T,
 889                 .name           = "Intel 28F400B3T",
 890                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 891                 .uaddr          = MTD_UADDR_UNNECESSARY,
 892                 .dev_size       = SIZE_512KiB,
 893                 .cmd_set        = P_ID_INTEL_STD,
 894                 .nr_regions     = 2,
 895                 .regions        = {
 896                         ERASEINFO(0x10000, 7),
 897                         ERASEINFO(0x02000, 8),
 898                 }
 899         }, {
 900                 .mfr_id         = MANUFACTURER_INTEL,
 901                 .dev_id         = I28F008B3B,
 902                 .name           = "Intel 28F008B3B",
 903                 .devtypes       = CFI_DEVICETYPE_X8,
 904                 .uaddr          = MTD_UADDR_UNNECESSARY,
 905                 .dev_size       = SIZE_1MiB,
 906                 .cmd_set        = P_ID_INTEL_STD,
 907                 .nr_regions     = 2,
 908                 .regions        = {
 909                         ERASEINFO(0x02000, 8),
 910                         ERASEINFO(0x10000, 15),
 911                 }
 912         }, {
 913                 .mfr_id         = MANUFACTURER_INTEL,
 914                 .dev_id         = I28F008B3T,
 915                 .name           = "Intel 28F008B3T",
 916                 .devtypes       = CFI_DEVICETYPE_X8,
 917                 .uaddr          = MTD_UADDR_UNNECESSARY,
 918                 .dev_size       = SIZE_1MiB,
 919                 .cmd_set        = P_ID_INTEL_STD,
 920                 .nr_regions     = 2,
 921                 .regions        = {
 922                         ERASEINFO(0x10000, 15),
 923                         ERASEINFO(0x02000, 8),
 924                 }
 925         }, {
 926                 .mfr_id         = MANUFACTURER_INTEL,
 927                 .dev_id         = I28F008S5,
 928                 .name           = "Intel 28F008S5",
 929                 .devtypes       = CFI_DEVICETYPE_X8,
 930                 .uaddr          = MTD_UADDR_UNNECESSARY,
 931                 .dev_size       = SIZE_1MiB,
 932                 .cmd_set        = P_ID_INTEL_EXT,
 933                 .nr_regions     = 1,
 934                 .regions        = {
 935                         ERASEINFO(0x10000,16),
 936                 }
 937         }, {
 938                 .mfr_id         = MANUFACTURER_INTEL,
 939                 .dev_id         = I28F016S5,
 940                 .name           = "Intel 28F016S5",
 941                 .devtypes       = CFI_DEVICETYPE_X8,
 942                 .uaddr          = MTD_UADDR_UNNECESSARY,
 943                 .dev_size       = SIZE_2MiB,
 944                 .cmd_set        = P_ID_INTEL_EXT,
 945                 .nr_regions     = 1,
 946                 .regions        = {
 947                         ERASEINFO(0x10000,32),
 948                 }
 949         }, {
 950                 .mfr_id         = MANUFACTURER_INTEL,
 951                 .dev_id         = I28F008SA,
 952                 .name           = "Intel 28F008SA",
 953                 .devtypes       = CFI_DEVICETYPE_X8,
 954                 .uaddr          = MTD_UADDR_UNNECESSARY,
 955                 .dev_size       = SIZE_1MiB,
 956                 .cmd_set        = P_ID_INTEL_STD,
 957                 .nr_regions     = 1,
 958                 .regions        = {
 959                         ERASEINFO(0x10000, 16),
 960                 }
 961         }, {
 962                 .mfr_id         = MANUFACTURER_INTEL,
 963                 .dev_id         = I28F800B3B,
 964                 .name           = "Intel 28F800B3B",
 965                 .devtypes       = CFI_DEVICETYPE_X16,
 966                 .uaddr          = MTD_UADDR_UNNECESSARY,
 967                 .dev_size       = SIZE_1MiB,
 968                 .cmd_set        = P_ID_INTEL_STD,
 969                 .nr_regions     = 2,
 970                 .regions        = {
 971                         ERASEINFO(0x02000, 8),
 972                         ERASEINFO(0x10000, 15),
 973                 }
 974         }, {
 975                 .mfr_id         = MANUFACTURER_INTEL,
 976                 .dev_id         = I28F800B3T,
 977                 .name           = "Intel 28F800B3T",
 978                 .devtypes       = CFI_DEVICETYPE_X16,
 979                 .uaddr          = MTD_UADDR_UNNECESSARY,
 980                 .dev_size       = SIZE_1MiB,
 981                 .cmd_set        = P_ID_INTEL_STD,
 982                 .nr_regions     = 2,
 983                 .regions        = {
 984                         ERASEINFO(0x10000, 15),
 985                         ERASEINFO(0x02000, 8),
 986                 }
 987         }, {
 988                 .mfr_id         = MANUFACTURER_INTEL,
 989                 .dev_id         = I28F016B3B,
 990                 .name           = "Intel 28F016B3B",
 991                 .devtypes       = CFI_DEVICETYPE_X8,
 992                 .uaddr          = MTD_UADDR_UNNECESSARY,
 993                 .dev_size       = SIZE_2MiB,
 994                 .cmd_set        = P_ID_INTEL_STD,
 995                 .nr_regions     = 2,
 996                 .regions        = {
 997                         ERASEINFO(0x02000, 8),
 998                         ERASEINFO(0x10000, 31),
 999                 }
1000         }, {
1001                 .mfr_id         = MANUFACTURER_INTEL,
1002                 .dev_id         = I28F016S3,
1003                 .name           = "Intel I28F016S3",
1004                 .devtypes       = CFI_DEVICETYPE_X8,
1005                 .uaddr          = MTD_UADDR_UNNECESSARY,
1006                 .dev_size       = SIZE_2MiB,
1007                 .cmd_set        = P_ID_INTEL_STD,
1008                 .nr_regions     = 1,
1009                 .regions        = {
1010                         ERASEINFO(0x10000, 32),
1011                 }
1012         }, {
1013                 .mfr_id         = MANUFACTURER_INTEL,
1014                 .dev_id         = I28F016B3T,
1015                 .name           = "Intel 28F016B3T",
1016                 .devtypes       = CFI_DEVICETYPE_X8,
1017                 .uaddr          = MTD_UADDR_UNNECESSARY,
1018                 .dev_size       = SIZE_2MiB,
1019                 .cmd_set        = P_ID_INTEL_STD,
1020                 .nr_regions     = 2,
1021                 .regions        = {
1022                         ERASEINFO(0x10000, 31),
1023                         ERASEINFO(0x02000, 8),
1024                 }
1025         }, {
1026                 .mfr_id         = MANUFACTURER_INTEL,
1027                 .dev_id         = I28F160B3B,
1028                 .name           = "Intel 28F160B3B",
1029                 .devtypes       = CFI_DEVICETYPE_X16,
1030                 .uaddr          = MTD_UADDR_UNNECESSARY,
1031                 .dev_size       = SIZE_2MiB,
1032                 .cmd_set        = P_ID_INTEL_STD,
1033                 .nr_regions     = 2,
1034                 .regions        = {
1035                         ERASEINFO(0x02000, 8),
1036                         ERASEINFO(0x10000, 31),
1037                 }
1038         }, {
1039                 .mfr_id         = MANUFACTURER_INTEL,
1040                 .dev_id         = I28F160B3T,
1041                 .name           = "Intel 28F160B3T",
1042                 .devtypes       = CFI_DEVICETYPE_X16,
1043                 .uaddr          = MTD_UADDR_UNNECESSARY,
1044                 .dev_size       = SIZE_2MiB,
1045                 .cmd_set        = P_ID_INTEL_STD,
1046                 .nr_regions     = 2,
1047                 .regions        = {
1048                         ERASEINFO(0x10000, 31),
1049                         ERASEINFO(0x02000, 8),
1050                 }
1051         }, {
1052                 .mfr_id         = MANUFACTURER_INTEL,
1053                 .dev_id         = I28F320B3B,
1054                 .name           = "Intel 28F320B3B",
1055                 .devtypes       = CFI_DEVICETYPE_X16,
1056                 .uaddr          = MTD_UADDR_UNNECESSARY,
1057                 .dev_size       = SIZE_4MiB,
1058                 .cmd_set        = P_ID_INTEL_STD,
1059                 .nr_regions     = 2,
1060                 .regions        = {
1061                         ERASEINFO(0x02000, 8),
1062                         ERASEINFO(0x10000, 63),
1063                 }
1064         }, {
1065                 .mfr_id         = MANUFACTURER_INTEL,
1066                 .dev_id         = I28F320B3T,
1067                 .name           = "Intel 28F320B3T",
1068                 .devtypes       = CFI_DEVICETYPE_X16,
1069                 .uaddr          = MTD_UADDR_UNNECESSARY,
1070                 .dev_size       = SIZE_4MiB,
1071                 .cmd_set        = P_ID_INTEL_STD,
1072                 .nr_regions     = 2,
1073                 .regions        = {
1074                         ERASEINFO(0x10000, 63),
1075                         ERASEINFO(0x02000, 8),
1076                 }
1077         }, {
1078                 .mfr_id         = MANUFACTURER_INTEL,
1079                 .dev_id         = I28F640B3B,
1080                 .name           = "Intel 28F640B3B",
1081                 .devtypes       = CFI_DEVICETYPE_X16,
1082                 .uaddr          = MTD_UADDR_UNNECESSARY,
1083                 .dev_size       = SIZE_8MiB,
1084                 .cmd_set        = P_ID_INTEL_STD,
1085                 .nr_regions     = 2,
1086                 .regions        = {
1087                         ERASEINFO(0x02000, 8),
1088                         ERASEINFO(0x10000, 127),
1089                 }
1090         }, {
1091                 .mfr_id         = MANUFACTURER_INTEL,
1092                 .dev_id         = I28F640B3T,
1093                 .name           = "Intel 28F640B3T",
1094                 .devtypes       = CFI_DEVICETYPE_X16,
1095                 .uaddr          = MTD_UADDR_UNNECESSARY,
1096                 .dev_size       = SIZE_8MiB,
1097                 .cmd_set        = P_ID_INTEL_STD,
1098                 .nr_regions     = 2,
1099                 .regions        = {
1100                         ERASEINFO(0x10000, 127),
1101                         ERASEINFO(0x02000, 8),
1102                 }
1103         }, {
1104                 .mfr_id         = MANUFACTURER_INTEL,
1105                 .dev_id         = I82802AB,
1106                 .name           = "Intel 82802AB",
1107                 .devtypes       = CFI_DEVICETYPE_X8,
1108                 .uaddr          = MTD_UADDR_UNNECESSARY,
1109                 .dev_size       = SIZE_512KiB,
1110                 .cmd_set        = P_ID_INTEL_EXT,
1111                 .nr_regions     = 1,
1112                 .regions        = {
1113                         ERASEINFO(0x10000,8),
1114                 }
1115         }, {
1116                 .mfr_id         = MANUFACTURER_INTEL,
1117                 .dev_id         = I82802AC,
1118                 .name           = "Intel 82802AC",
1119                 .devtypes       = CFI_DEVICETYPE_X8,
1120                 .uaddr          = MTD_UADDR_UNNECESSARY,
1121                 .dev_size       = SIZE_1MiB,
1122                 .cmd_set        = P_ID_INTEL_EXT,
1123                 .nr_regions     = 1,
1124                 .regions        = {
1125                         ERASEINFO(0x10000,16),
1126                 }
1127         }, {
1128                 .mfr_id         = MANUFACTURER_MACRONIX,
1129                 .dev_id         = MX29LV040C,
1130                 .name           = "Macronix MX29LV040C",
1131                 .devtypes       = CFI_DEVICETYPE_X8,
1132                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1133                 .dev_size       = SIZE_512KiB,
1134                 .cmd_set        = P_ID_AMD_STD,
1135                 .nr_regions     = 1,
1136                 .regions        = {
1137                         ERASEINFO(0x10000,8),
1138                 }
1139         }, {
1140                 .mfr_id         = MANUFACTURER_MACRONIX,
1141                 .dev_id         = MX29LV160T,
1142                 .name           = "MXIC MX29LV160T",
1143                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1144                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1145                 .dev_size       = SIZE_2MiB,
1146                 .cmd_set        = P_ID_AMD_STD,
1147                 .nr_regions     = 4,
1148                 .regions        = {
1149                         ERASEINFO(0x10000,31),
1150                         ERASEINFO(0x08000,1),
1151                         ERASEINFO(0x02000,2),
1152                         ERASEINFO(0x04000,1)
1153                 }
1154         }, {
1155                 .mfr_id         = MANUFACTURER_NEC,
1156                 .dev_id         = UPD29F064115,
1157                 .name           = "NEC uPD29F064115",
1158                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1159                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1160                 .dev_size       = SIZE_8MiB,
1161                 .cmd_set        = P_ID_AMD_STD,
1162                 .nr_regions     = 3,
1163                 .regions        = {
1164                         ERASEINFO(0x2000,8),
1165                         ERASEINFO(0x10000,126),
1166                         ERASEINFO(0x2000,8),
1167                 }
1168         }, {
1169                 .mfr_id         = MANUFACTURER_MACRONIX,
1170                 .dev_id         = MX29LV160B,
1171                 .name           = "MXIC MX29LV160B",
1172                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1173                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1174                 .dev_size       = SIZE_2MiB,
1175                 .cmd_set        = P_ID_AMD_STD,
1176                 .nr_regions     = 4,
1177                 .regions        = {
1178                         ERASEINFO(0x04000,1),
1179                         ERASEINFO(0x02000,2),
1180                         ERASEINFO(0x08000,1),
1181                         ERASEINFO(0x10000,31)
1182                 }
1183         }, {
1184                 .mfr_id         = MANUFACTURER_MACRONIX,
1185                 .dev_id         = MX29F040,
1186                 .name           = "Macronix MX29F040",
1187                 .devtypes       = CFI_DEVICETYPE_X8,
1188                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1189                 .dev_size       = SIZE_512KiB,
1190                 .cmd_set        = P_ID_AMD_STD,
1191                 .nr_regions     = 1,
1192                 .regions        = {
1193                         ERASEINFO(0x10000,8),
1194                 }
1195         }, {
1196                 .mfr_id         = MANUFACTURER_MACRONIX,
1197                 .dev_id         = MX29F016,
1198                 .name           = "Macronix MX29F016",
1199                 .devtypes       = CFI_DEVICETYPE_X8,
1200                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1201                 .dev_size       = SIZE_2MiB,
1202                 .cmd_set        = P_ID_AMD_STD,
1203                 .nr_regions     = 1,
1204                 .regions        = {
1205                         ERASEINFO(0x10000,32),
1206                 }
1207         }, {
1208                 .mfr_id         = MANUFACTURER_MACRONIX,
1209                 .dev_id         = MX29F004T,
1210                 .name           = "Macronix MX29F004T",
1211                 .devtypes       = CFI_DEVICETYPE_X8,
1212                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1213                 .dev_size       = SIZE_512KiB,
1214                 .cmd_set        = P_ID_AMD_STD,
1215                 .nr_regions     = 4,
1216                 .regions        = {
1217                         ERASEINFO(0x10000,7),
1218                         ERASEINFO(0x08000,1),
1219                         ERASEINFO(0x02000,2),
1220                         ERASEINFO(0x04000,1),
1221                 }
1222         }, {
1223                 .mfr_id         = MANUFACTURER_MACRONIX,
1224                 .dev_id         = MX29F004B,
1225                 .name           = "Macronix MX29F004B",
1226                 .devtypes       = CFI_DEVICETYPE_X8,
1227                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1228                 .dev_size       = SIZE_512KiB,
1229                 .cmd_set        = P_ID_AMD_STD,
1230                 .nr_regions     = 4,
1231                 .regions        = {
1232                         ERASEINFO(0x04000,1),
1233                         ERASEINFO(0x02000,2),
1234                         ERASEINFO(0x08000,1),
1235                         ERASEINFO(0x10000,7),
1236                 }
1237         }, {
1238                 .mfr_id         = MANUFACTURER_MACRONIX,
1239                 .dev_id         = MX29F002T,
1240                 .name           = "Macronix MX29F002T",
1241                 .devtypes       = CFI_DEVICETYPE_X8,
1242                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1243                 .dev_size       = SIZE_256KiB,
1244                 .cmd_set        = P_ID_AMD_STD,
1245                 .nr_regions     = 4,
1246                 .regions        = {
1247                         ERASEINFO(0x10000,3),
1248                         ERASEINFO(0x08000,1),
1249                         ERASEINFO(0x02000,2),
1250                         ERASEINFO(0x04000,1),
1251                 }
1252         }, {
1253                 .mfr_id         = MANUFACTURER_PMC,
1254                 .dev_id         = PM49FL002,
1255                 .name           = "PMC Pm49FL002",
1256                 .devtypes       = CFI_DEVICETYPE_X8,
1257                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1258                 .dev_size       = SIZE_256KiB,
1259                 .cmd_set        = P_ID_AMD_STD,
1260                 .nr_regions     = 1,
1261                 .regions        = {
1262                         ERASEINFO( 0x01000, 64 )
1263                 }
1264         }, {
1265                 .mfr_id         = MANUFACTURER_PMC,
1266                 .dev_id         = PM49FL004,
1267                 .name           = "PMC Pm49FL004",
1268                 .devtypes       = CFI_DEVICETYPE_X8,
1269                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1270                 .dev_size       = SIZE_512KiB,
1271                 .cmd_set        = P_ID_AMD_STD,
1272                 .nr_regions     = 1,
1273                 .regions        = {
1274                         ERASEINFO( 0x01000, 128 )
1275                 }
1276         }, {
1277                 .mfr_id         = MANUFACTURER_PMC,
1278                 .dev_id         = PM49FL008,
1279                 .name           = "PMC Pm49FL008",
1280                 .devtypes       = CFI_DEVICETYPE_X8,
1281                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1282                 .dev_size       = SIZE_1MiB,
1283                 .cmd_set        = P_ID_AMD_STD,
1284                 .nr_regions     = 1,
1285                 .regions        = {
1286                         ERASEINFO( 0x01000, 256 )
1287                 }
1288         }, {
1289                 .mfr_id         = MANUFACTURER_SHARP,
1290                 .dev_id         = LH28F640BF,
1291                 .name           = "LH28F640BF",
1292                 .devtypes       = CFI_DEVICETYPE_X8,
1293                 .uaddr          = MTD_UADDR_UNNECESSARY,
1294                 .dev_size       = SIZE_4MiB,
1295                 .cmd_set        = P_ID_INTEL_STD,
1296                 .nr_regions     = 1,
1297                 .regions        = {
1298                         ERASEINFO(0x40000,16),
1299                 }
1300         }, {
1301                 .mfr_id         = MANUFACTURER_SST,
1302                 .dev_id         = SST39LF512,
1303                 .name           = "SST 39LF512",
1304                 .devtypes       = CFI_DEVICETYPE_X8,
1305                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1306                 .dev_size       = SIZE_64KiB,
1307                 .cmd_set        = P_ID_AMD_STD,
1308                 .nr_regions     = 1,
1309                 .regions        = {
1310                         ERASEINFO(0x01000,16),
1311                 }
1312         }, {
1313                 .mfr_id         = MANUFACTURER_SST,
1314                 .dev_id         = SST39LF010,
1315                 .name           = "SST 39LF010",
1316                 .devtypes       = CFI_DEVICETYPE_X8,
1317                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1318                 .dev_size       = SIZE_128KiB,
1319                 .cmd_set        = P_ID_AMD_STD,
1320                 .nr_regions     = 1,
1321                 .regions        = {
1322                         ERASEINFO(0x01000,32),
1323                 }
1324         }, {
1325                 .mfr_id         = MANUFACTURER_SST,
1326                 .dev_id         = SST29EE020,
1327                 .name           = "SST 29EE020",
1328                 .devtypes       = CFI_DEVICETYPE_X8,
1329                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1330                 .dev_size       = SIZE_256KiB,
1331                 .cmd_set        = P_ID_SST_PAGE,
1332                 .nr_regions     = 1,
1333                 .regions = {ERASEINFO(0x01000,64),
1334                 }
1335         }, {
1336                 .mfr_id         = MANUFACTURER_SST,
1337                 .dev_id         = SST29LE020,
1338                 .name           = "SST 29LE020",
1339                 .devtypes       = CFI_DEVICETYPE_X8,
1340                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1341                 .dev_size       = SIZE_256KiB,
1342                 .cmd_set        = P_ID_SST_PAGE,
1343                 .nr_regions     = 1,
1344                 .regions = {ERASEINFO(0x01000,64),
1345                 }
1346         }, {
1347                 .mfr_id         = MANUFACTURER_SST,
1348                 .dev_id         = SST39LF020,
1349                 .name           = "SST 39LF020",
1350                 .devtypes       = CFI_DEVICETYPE_X8,
1351                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1352                 .dev_size       = SIZE_256KiB,
1353                 .cmd_set        = P_ID_AMD_STD,
1354                 .nr_regions     = 1,
1355                 .regions        = {
1356                         ERASEINFO(0x01000,64),
1357                 }
1358         }, {
1359                 .mfr_id         = MANUFACTURER_SST,
1360                 .dev_id         = SST39LF040,
1361                 .name           = "SST 39LF040",
1362                 .devtypes       = CFI_DEVICETYPE_X8,
1363                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1364                 .dev_size       = SIZE_512KiB,
1365                 .cmd_set        = P_ID_AMD_STD,
1366                 .nr_regions     = 1,
1367                 .regions        = {
1368                         ERASEINFO(0x01000,128),
1369                 }
1370         }, {
1371                 .mfr_id         = MANUFACTURER_SST,
1372                 .dev_id         = SST39SF010A,
1373                 .name           = "SST 39SF010A",
1374                 .devtypes       = CFI_DEVICETYPE_X8,
1375                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1376                 .dev_size       = SIZE_128KiB,
1377                 .cmd_set        = P_ID_AMD_STD,
1378                 .nr_regions     = 1,
1379                 .regions        = {
1380                         ERASEINFO(0x01000,32),
1381                 }
1382         }, {
1383                 .mfr_id         = MANUFACTURER_SST,
1384                 .dev_id         = SST39SF020A,
1385                 .name           = "SST 39SF020A",
1386                 .devtypes       = CFI_DEVICETYPE_X8,
1387                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1388                 .dev_size       = SIZE_256KiB,
1389                 .cmd_set        = P_ID_AMD_STD,
1390                 .nr_regions     = 1,
1391                 .regions        = {
1392                         ERASEINFO(0x01000,64),
1393                 }
1394         }, {
1395                 .mfr_id         = MANUFACTURER_SST,
1396                 .dev_id         = SST49LF040B,
1397                 .name           = "SST 49LF040B",
1398                 .devtypes       = CFI_DEVICETYPE_X8,
1399                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1400                 .dev_size       = SIZE_512KiB,
1401                 .cmd_set        = P_ID_AMD_STD,
1402                 .nr_regions     = 1,
1403                 .regions        = {
1404                         ERASEINFO(0x01000,128),
1405                 }
1406         }, {
1407
1408                 .mfr_id         = MANUFACTURER_SST,
1409                 .dev_id         = SST49LF004B,
1410                 .name           = "SST 49LF004B",
1411                 .devtypes       = CFI_DEVICETYPE_X8,
1412                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1413                 .dev_size       = SIZE_512KiB,
1414                 .cmd_set        = P_ID_AMD_STD,
1415                 .nr_regions     = 1,
1416                 .regions        = {
1417                         ERASEINFO(0x01000,128),
1418                 }
1419         }, {
1420                 .mfr_id         = MANUFACTURER_SST,
1421                 .dev_id         = SST49LF008A,
1422                 .name           = "SST 49LF008A",
1423                 .devtypes       = CFI_DEVICETYPE_X8,
1424                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1425                 .dev_size       = SIZE_1MiB,
1426                 .cmd_set        = P_ID_AMD_STD,
1427                 .nr_regions     = 1,
1428                 .regions        = {
1429                         ERASEINFO(0x01000,256),
1430                 }
1431         }, {
1432                 .mfr_id         = MANUFACTURER_SST,
1433                 .dev_id         = SST49LF030A,
1434                 .name           = "SST 49LF030A",
1435                 .devtypes       = CFI_DEVICETYPE_X8,
1436                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1437                 .dev_size       = SIZE_512KiB,
1438                 .cmd_set        = P_ID_AMD_STD,
1439                 .nr_regions     = 1,
1440                 .regions        = {
1441                         ERASEINFO(0x01000,96),
1442                 }
1443         }, {
1444                 .mfr_id         = MANUFACTURER_SST,
1445                 .dev_id         = SST49LF040A,
1446                 .name           = "SST 49LF040A",
1447                 .devtypes       = CFI_DEVICETYPE_X8,
1448                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1449                 .dev_size       = SIZE_512KiB,
1450                 .cmd_set        = P_ID_AMD_STD,
1451                 .nr_regions     = 1,
1452                 .regions        = {
1453                         ERASEINFO(0x01000,128),
1454                 }
1455         }, {
1456                 .mfr_id         = MANUFACTURER_SST,
1457                 .dev_id         = SST49LF080A,
1458                 .name           = "SST 49LF080A",
1459                 .devtypes       = CFI_DEVICETYPE_X8,
1460                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1461                 .dev_size       = SIZE_1MiB,
1462                 .cmd_set        = P_ID_AMD_STD,
1463                 .nr_regions     = 1,
1464                 .regions        = {
1465                         ERASEINFO(0x01000,256),
1466                 }
1467         }, {
1468                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1469                 .dev_id         = SST39LF160,
1470                 .name           = "SST 39LF160",
1471                 .devtypes       = CFI_DEVICETYPE_X16,
1472                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1473                 .dev_size       = SIZE_2MiB,
1474                 .cmd_set        = P_ID_AMD_STD,
1475                 .nr_regions     = 2,
1476                 .regions        = {
1477                         ERASEINFO(0x1000,256),
1478                         ERASEINFO(0x1000,256)
1479                 }
1480         }, {
1481                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1482                 .dev_id         = SST39VF1601,
1483                 .name           = "SST 39VF1601",
1484                 .devtypes       = CFI_DEVICETYPE_X16,
1485                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1486                 .dev_size       = SIZE_2MiB,
1487                 .cmd_set        = P_ID_AMD_STD,
1488                 .nr_regions     = 2,
1489                 .regions        = {
1490                         ERASEINFO(0x1000,256),
1491                         ERASEINFO(0x1000,256)
1492                 }
1493         }, {
1494                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1495                 .dev_id         = SST39VF3201,
1496                 .name           = "SST 39VF3201",
1497                 .devtypes       = CFI_DEVICETYPE_X16,
1498                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1499                 .dev_size       = SIZE_4MiB,
1500                 .cmd_set        = P_ID_AMD_STD,
1501                 .nr_regions     = 4,
1502                 .regions        = {
1503                         ERASEINFO(0x1000,256),
1504                         ERASEINFO(0x1000,256),
1505                         ERASEINFO(0x1000,256),
1506                         ERASEINFO(0x1000,256)
1507                 }
1508         }, {
1509                 .mfr_id         = MANUFACTURER_SST,
1510                 .dev_id         = SST36VF3203,
1511                 .name           = "SST 36VF3203",
1512                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1513                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1514                 .dev_size       = SIZE_4MiB,
1515                 .cmd_set        = P_ID_AMD_STD,
1516                 .nr_regions     = 1,
1517                 .regions        = {
1518                         ERASEINFO(0x10000,64),
1519                 }
1520         }, {
1521                 .mfr_id         = MANUFACTURER_ST,
1522                 .dev_id         = M29F800AB,
1523                 .name           = "ST M29F800AB",
1524                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1525                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1526                 .dev_size       = SIZE_1MiB,
1527                 .cmd_set        = P_ID_AMD_STD,
1528                 .nr_regions     = 4,
1529                 .regions        = {
1530                         ERASEINFO(0x04000,1),
1531                         ERASEINFO(0x02000,2),
1532                         ERASEINFO(0x08000,1),
1533                         ERASEINFO(0x10000,15),
1534                 }
1535         }, {
1536                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1537                 .dev_id         = M29W800DT,
1538                 .name           = "ST M29W800DT",
1539                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1540                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1541                 .dev_size       = SIZE_1MiB,
1542                 .cmd_set        = P_ID_AMD_STD,
1543                 .nr_regions     = 4,
1544                 .regions        = {
1545                         ERASEINFO(0x10000,15),
1546                         ERASEINFO(0x08000,1),
1547                         ERASEINFO(0x02000,2),
1548                         ERASEINFO(0x04000,1)
1549                 }
1550         }, {
1551                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1552                 .dev_id         = M29W800DB,
1553                 .name           = "ST M29W800DB",
1554                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1555                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1556                 .dev_size       = SIZE_1MiB,
1557                 .cmd_set        = P_ID_AMD_STD,
1558                 .nr_regions     = 4,
1559                 .regions        = {
1560                         ERASEINFO(0x04000,1),
1561                         ERASEINFO(0x02000,2),
1562                         ERASEINFO(0x08000,1),
1563                         ERASEINFO(0x10000,15)
1564                 }
1565         },  {
1566                 .mfr_id         = MANUFACTURER_ST,
1567                 .dev_id         = M29W400DT,
1568                 .name           = "ST M29W400DT",
1569                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1570                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1571                 .dev_size       = SIZE_512KiB,
1572                 .cmd_set        = P_ID_AMD_STD,
1573                 .nr_regions     = 4,
1574                 .regions        = {
1575                         ERASEINFO(0x04000,7),
1576                         ERASEINFO(0x02000,1),
1577                         ERASEINFO(0x08000,2),
1578                         ERASEINFO(0x10000,1)
1579                 }
1580         }, {
1581                 .mfr_id         = MANUFACTURER_ST,
1582                 .dev_id         = M29W400DB,
1583                 .name           = "ST M29W400DB",
1584                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1585                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1586                 .dev_size       = SIZE_512KiB,
1587                 .cmd_set        = P_ID_AMD_STD,
1588                 .nr_regions     = 4,
1589                 .regions        = {
1590                         ERASEINFO(0x04000,1),
1591                         ERASEINFO(0x02000,2),
1592                         ERASEINFO(0x08000,1),
1593                         ERASEINFO(0x10000,7)
1594                 }
1595         }, {
1596                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1597                 .dev_id         = M29W160DT,
1598                 .name           = "ST M29W160DT",
1599                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1600                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1601                 .dev_size       = SIZE_2MiB,
1602                 .cmd_set        = P_ID_AMD_STD,
1603                 .nr_regions     = 4,
1604                 .regions        = {
1605                         ERASEINFO(0x10000,31),
1606                         ERASEINFO(0x08000,1),
1607                         ERASEINFO(0x02000,2),
1608                         ERASEINFO(0x04000,1)
1609                 }
1610         }, {
1611                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1612                 .dev_id         = M29W160DB,
1613                 .name           = "ST M29W160DB",
1614                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1615                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1616                 .dev_size       = SIZE_2MiB,
1617                 .cmd_set        = P_ID_AMD_STD,
1618                 .nr_regions     = 4,
1619                 .regions        = {
1620                         ERASEINFO(0x04000,1),
1621                         ERASEINFO(0x02000,2),
1622                         ERASEINFO(0x08000,1),
1623                         ERASEINFO(0x10000,31)
1624                 }
1625         }, {
1626                 .mfr_id         = MANUFACTURER_ST,
1627                 .dev_id         = M29W040B,
1628                 .name           = "ST M29W040B",
1629                 .devtypes       = CFI_DEVICETYPE_X8,
1630                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1631                 .dev_size       = SIZE_512KiB,
1632                 .cmd_set        = P_ID_AMD_STD,
1633                 .nr_regions     = 1,
1634                 .regions        = {
1635                         ERASEINFO(0x10000,8),
1636                 }
1637         }, {
1638                 .mfr_id         = MANUFACTURER_ST,
1639                 .dev_id         = M50FW040,
1640                 .name           = "ST M50FW040",
1641                 .devtypes       = CFI_DEVICETYPE_X8,
1642                 .uaddr          = MTD_UADDR_UNNECESSARY,
1643                 .dev_size       = SIZE_512KiB,
1644                 .cmd_set        = P_ID_INTEL_EXT,
1645                 .nr_regions     = 1,
1646                 .regions        = {
1647                         ERASEINFO(0x10000,8),
1648                 }
1649         }, {
1650                 .mfr_id         = MANUFACTURER_ST,
1651                 .dev_id         = M50FW080,
1652                 .name           = "ST M50FW080",
1653                 .devtypes       = CFI_DEVICETYPE_X8,
1654                 .uaddr          = MTD_UADDR_UNNECESSARY,
1655                 .dev_size       = SIZE_1MiB,
1656                 .cmd_set        = P_ID_INTEL_EXT,
1657                 .nr_regions     = 1,
1658                 .regions        = {
1659                         ERASEINFO(0x10000,16),
1660                 }
1661         }, {
1662                 .mfr_id         = MANUFACTURER_ST,
1663                 .dev_id         = M50FW016,
1664                 .name           = "ST M50FW016",
1665                 .devtypes       = CFI_DEVICETYPE_X8,
1666                 .uaddr          = MTD_UADDR_UNNECESSARY,
1667                 .dev_size       = SIZE_2MiB,
1668                 .cmd_set        = P_ID_INTEL_EXT,
1669                 .nr_regions     = 1,
1670                 .regions        = {
1671                         ERASEINFO(0x10000,32),
1672                 }
1673         }, {
1674                 .mfr_id         = MANUFACTURER_ST,
1675                 .dev_id         = M50LPW080,
1676                 .name           = "ST M50LPW080",
1677                 .devtypes       = CFI_DEVICETYPE_X8,
1678                 .uaddr          = MTD_UADDR_UNNECESSARY,
1679                 .dev_size       = SIZE_1MiB,
1680                 .cmd_set        = P_ID_INTEL_EXT,
1681                 .nr_regions     = 1,
1682                 .regions        = {
1683                         ERASEINFO(0x10000,16),
1684                 },
1685         }, {
1686                 .mfr_id         = MANUFACTURER_ST,
1687                 .dev_id         = M50FLW080A,
1688                 .name           = "ST M50FLW080A",
1689                 .devtypes       = CFI_DEVICETYPE_X8,
1690                 .uaddr          = MTD_UADDR_UNNECESSARY,
1691                 .dev_size       = SIZE_1MiB,
1692                 .cmd_set        = P_ID_INTEL_EXT,
1693                 .nr_regions     = 4,
1694                 .regions        = {
1695                         ERASEINFO(0x1000,16),
1696                         ERASEINFO(0x10000,13),
1697                         ERASEINFO(0x1000,16),
1698                         ERASEINFO(0x1000,16),
1699                 }
1700         }, {
1701                 .mfr_id         = MANUFACTURER_ST,
1702                 .dev_id         = M50FLW080B,
1703                 .name           = "ST M50FLW080B",
1704                 .devtypes       = CFI_DEVICETYPE_X8,
1705                 .uaddr          = MTD_UADDR_UNNECESSARY,
1706                 .dev_size       = SIZE_1MiB,
1707                 .cmd_set        = P_ID_INTEL_EXT,
1708                 .nr_regions     = 4,
1709                 .regions        = {
1710                         ERASEINFO(0x1000,16),
1711                         ERASEINFO(0x1000,16),
1712                         ERASEINFO(0x10000,13),
1713                         ERASEINFO(0x1000,16),
1714                 }
1715         }, {
1716                 .mfr_id         = MANUFACTURER_TOSHIBA,
1717                 .dev_id         = TC58FVT160,
1718                 .name           = "Toshiba TC58FVT160",
1719                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1720                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1721                 .dev_size       = SIZE_2MiB,
1722                 .cmd_set        = P_ID_AMD_STD,
1723                 .nr_regions     = 4,
1724                 .regions        = {
1725                         ERASEINFO(0x10000,31),
1726                         ERASEINFO(0x08000,1),
1727                         ERASEINFO(0x02000,2),
1728                         ERASEINFO(0x04000,1)
1729                 }
1730         }, {
1731                 .mfr_id         = MANUFACTURER_TOSHIBA,
1732                 .dev_id         = TC58FVB160,
1733                 .name           = "Toshiba TC58FVB160",
1734                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1735                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1736                 .dev_size       = SIZE_2MiB,
1737                 .cmd_set        = P_ID_AMD_STD,
1738                 .nr_regions     = 4,
1739                 .regions        = {
1740                         ERASEINFO(0x04000,1),
1741                         ERASEINFO(0x02000,2),
1742                         ERASEINFO(0x08000,1),
1743                         ERASEINFO(0x10000,31)
1744                 }
1745         }, {
1746                 .mfr_id         = MANUFACTURER_TOSHIBA,
1747                 .dev_id         = TC58FVB321,
1748                 .name           = "Toshiba TC58FVB321",
1749                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1750                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1751                 .dev_size       = SIZE_4MiB,
1752                 .cmd_set        = P_ID_AMD_STD,
1753                 .nr_regions     = 2,
1754                 .regions        = {
1755                         ERASEINFO(0x02000,8),
1756                         ERASEINFO(0x10000,63)
1757                 }
1758         }, {
1759                 .mfr_id         = MANUFACTURER_TOSHIBA,
1760                 .dev_id         = TC58FVT321,
1761                 .name           = "Toshiba TC58FVT321",
1762                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1763                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1764                 .dev_size       = SIZE_4MiB,
1765                 .cmd_set        = P_ID_AMD_STD,
1766                 .nr_regions     = 2,
1767                 .regions        = {
1768                         ERASEINFO(0x10000,63),
1769                         ERASEINFO(0x02000,8)
1770                 }
1771         }, {
1772                 .mfr_id         = MANUFACTURER_TOSHIBA,
1773                 .dev_id         = TC58FVB641,
1774                 .name           = "Toshiba TC58FVB641",
1775                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1776                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1777                 .dev_size       = SIZE_8MiB,
1778                 .cmd_set        = P_ID_AMD_STD,
1779                 .nr_regions     = 2,
1780                 .regions        = {
1781                         ERASEINFO(0x02000,8),
1782                         ERASEINFO(0x10000,127)
1783                 }
1784         }, {
1785                 .mfr_id         = MANUFACTURER_TOSHIBA,
1786                 .dev_id         = TC58FVT641,
1787                 .name           = "Toshiba TC58FVT641",
1788                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1789                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1790                 .dev_size       = SIZE_8MiB,
1791                 .cmd_set        = P_ID_AMD_STD,
1792                 .nr_regions     = 2,
1793                 .regions        = {
1794                         ERASEINFO(0x10000,127),
1795                         ERASEINFO(0x02000,8)
1796                 }
1797         }, {
1798                 .mfr_id         = MANUFACTURER_WINBOND,
1799                 .dev_id         = W49V002A,
1800                 .name           = "Winbond W49V002A",
1801                 .devtypes       = CFI_DEVICETYPE_X8,
1802                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1803                 .dev_size       = SIZE_256KiB,
1804                 .cmd_set        = P_ID_AMD_STD,
1805                 .nr_regions     = 4,
1806                 .regions        = {
1807                         ERASEINFO(0x10000, 3),
1808                         ERASEINFO(0x08000, 1),
1809                         ERASEINFO(0x02000, 2),
1810                         ERASEINFO(0x04000, 1),
1811                 }
1812         }
1813 };
1814
1815 static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1816         struct cfi_private *cfi)
1817 {
1818         map_word result;
1819         unsigned long mask;
1820         int bank = 0;
1821
1822         /* According to JEDEC "Standard Manufacturer's Identification Code"
1823          * (http://www.jedec.org/download/search/jep106W.pdf)
1824          * several first banks can contain 0x7f instead of actual ID
1825          */
1826         do {
1827                 uint32_t ofs = cfi_build_cmd_addr(0 + (bank << 8), map, cfi);
1828                 mask = (1 << (cfi->device_type * 8)) - 1;
1829                 result = map_read(map, base + ofs);
1830                 bank++;
1831         } while ((result.x[0] & mask) == CONTINUATION_CODE);
1832
1833         return result.x[0] & mask;
1834 }
1835
1836 static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1837         struct cfi_private *cfi)
1838 {
1839         map_word result;
1840         unsigned long mask;
1841         u32 ofs = cfi_build_cmd_addr(1, map, cfi);
1842         mask = (1 << (cfi->device_type * 8)) -1;
1843         result = map_read(map, base + ofs);
1844         return result.x[0] & mask;
1845 }
1846
1847 static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi)
1848 {
1849         /* Reset */
1850
1851         /* after checking the datasheets for SST, MACRONIX and ATMEL
1852          * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1853          * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1854          * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1855          * as they will ignore the writes and dont care what address
1856          * the F0 is written to */
1857         if (cfi->addr_unlock1) {
1858                 DEBUG( MTD_DEBUG_LEVEL3,
1859                        "reset unlock called %x %x \n",
1860                        cfi->addr_unlock1,cfi->addr_unlock2);
1861                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1862                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1863         }
1864
1865         cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1866         /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1867          * so ensure we're in read mode.  Send both the Intel and the AMD command
1868          * for this.  Intel uses 0xff for this, AMD uses 0xff for NOP, so
1869          * this should be safe.
1870          */
1871         cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1872         /* FIXME - should have reset delay before continuing */
1873 }
1874
1875
1876 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1877 {
1878         int i,num_erase_regions;
1879         uint8_t uaddr;
1880
1881         if (! (jedec_table[index].devtypes & p_cfi->device_type)) {
1882                 DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n",
1883                       jedec_table[index].name, 4 * (1<<p_cfi->device_type));
1884                 return 0;
1885         }
1886
1887         printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1888
1889         num_erase_regions = jedec_table[index].nr_regions;
1890
1891         p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1892         if (!p_cfi->cfiq) {
1893                 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1894                 return 0;
1895         }
1896
1897         memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1898
1899         p_cfi->cfiq->P_ID = jedec_table[index].cmd_set;
1900         p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions;
1901         p_cfi->cfiq->DevSize = jedec_table[index].dev_size;
1902         p_cfi->cfi_mode = CFI_MODE_JEDEC;
1903
1904         for (i=0; i<num_erase_regions; i++){
1905                 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1906         }
1907         p_cfi->cmdset_priv = NULL;
1908
1909         /* This may be redundant for some cases, but it doesn't hurt */
1910         p_cfi->mfr = jedec_table[index].mfr_id;
1911         p_cfi->id = jedec_table[index].dev_id;
1912
1913         uaddr = jedec_table[index].uaddr;
1914
1915         /* The table has unlock addresses in _bytes_, and we try not to let
1916            our brains explode when we see the datasheets talking about address
1917            lines numbered from A-1 to A18. The CFI table has unlock addresses
1918            in device-words according to the mode the device is connected in */
1919         p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type;
1920         p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type;
1921
1922         return 1;       /* ok */
1923 }
1924
1925
1926 /*
1927  * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1928  * the mapped address, unlock addresses, and proper chip ID.  This function
1929  * attempts to minimize errors.  It is doubtfull that this probe will ever
1930  * be perfect - consequently there should be some module parameters that
1931  * could be manually specified to force the chip info.
1932  */
1933 static inline int jedec_match( uint32_t base,
1934                                struct map_info *map,
1935                                struct cfi_private *cfi,
1936                                const struct amd_flash_info *finfo )
1937 {
1938         int rc = 0;           /* failure until all tests pass */
1939         u32 mfr, id;
1940         uint8_t uaddr;
1941
1942         /*
1943          * The IDs must match.  For X16 and X32 devices operating in
1944          * a lower width ( X8 or X16 ), the device ID's are usually just
1945          * the lower byte(s) of the larger device ID for wider mode.  If
1946          * a part is found that doesn't fit this assumption (device id for
1947          * smaller width mode is completely unrealated to full-width mode)
1948          * then the jedec_table[] will have to be augmented with the IDs
1949          * for different widths.
1950          */
1951         switch (cfi->device_type) {
1952         case CFI_DEVICETYPE_X8:
1953                 mfr = (uint8_t)finfo->mfr_id;
1954                 id = (uint8_t)finfo->dev_id;
1955
1956                 /* bjd: it seems that if we do this, we can end up
1957                  * detecting 16bit flashes as an 8bit device, even though
1958                  * there aren't.
1959                  */
1960                 if (finfo->dev_id > 0xff) {
1961                         DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1962                                __func__);
1963                         goto match_done;
1964                 }
1965                 break;
1966         case CFI_DEVICETYPE_X16:
1967                 mfr = (uint16_t)finfo->mfr_id;
1968                 id = (uint16_t)finfo->dev_id;
1969                 break;
1970         case CFI_DEVICETYPE_X32:
1971                 mfr = (uint16_t)finfo->mfr_id;
1972                 id = (uint32_t)finfo->dev_id;
1973                 break;
1974         default:
1975                 printk(KERN_WARNING
1976                        "MTD %s(): Unsupported device type %d\n",
1977                        __func__, cfi->device_type);
1978                 goto match_done;
1979         }
1980         if ( cfi->mfr != mfr || cfi->id != id ) {
1981                 goto match_done;
1982         }
1983
1984         /* the part size must fit in the memory window */
1985         DEBUG( MTD_DEBUG_LEVEL3,
1986                "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1987                __func__, base, 1 << finfo->dev_size, base + (1 << finfo->dev_size) );
1988         if ( base + cfi_interleave(cfi) * ( 1 << finfo->dev_size ) > map->size ) {
1989                 DEBUG( MTD_DEBUG_LEVEL3,
1990                        "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1991                        __func__, finfo->mfr_id, finfo->dev_id,
1992                        1 << finfo->dev_size );
1993                 goto match_done;
1994         }
1995
1996         if (! (finfo->devtypes & cfi->device_type))
1997                 goto match_done;
1998
1999         uaddr = finfo->uaddr;
2000
2001         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
2002                __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
2003         if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
2004              && ( unlock_addrs[uaddr].addr1 / cfi->device_type != cfi->addr_unlock1 ||
2005                   unlock_addrs[uaddr].addr2 / cfi->device_type != cfi->addr_unlock2 ) ) {
2006                 DEBUG( MTD_DEBUG_LEVEL3,
2007                         "MTD %s(): 0x%.4x 0x%.4x did not match\n",
2008                         __func__,
2009                         unlock_addrs[uaddr].addr1,
2010                         unlock_addrs[uaddr].addr2);
2011                 goto match_done;
2012         }
2013
2014         /*
2015          * Make sure the ID's dissappear when the device is taken out of
2016          * ID mode.  The only time this should fail when it should succeed
2017          * is when the ID's are written as data to the same
2018          * addresses.  For this rare and unfortunate case the chip
2019          * cannot be probed correctly.
2020          * FIXME - write a driver that takes all of the chip info as
2021          * module parameters, doesn't probe but forces a load.
2022          */
2023         DEBUG( MTD_DEBUG_LEVEL3,
2024                "MTD %s(): check ID's disappear when not in ID mode\n",
2025                __func__ );
2026         jedec_reset( base, map, cfi );
2027         mfr = jedec_read_mfr( map, base, cfi );
2028         id = jedec_read_id( map, base, cfi );
2029         if ( mfr == cfi->mfr && id == cfi->id ) {
2030                 DEBUG( MTD_DEBUG_LEVEL3,
2031                        "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
2032                        "You might need to manually specify JEDEC parameters.\n",
2033                         __func__, cfi->mfr, cfi->id );
2034                 goto match_done;
2035         }
2036
2037         /* all tests passed - mark  as success */
2038         rc = 1;
2039
2040         /*
2041          * Put the device back in ID mode - only need to do this if we
2042          * were truly frobbing a real device.
2043          */
2044         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
2045         if (cfi->addr_unlock1) {
2046                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2047                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2048         }
2049         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2050         /* FIXME - should have a delay before continuing */
2051
2052  match_done:
2053         return rc;
2054 }
2055
2056
2057 static int jedec_probe_chip(struct map_info *map, __u32 base,
2058                             unsigned long *chip_map, struct cfi_private *cfi)
2059 {
2060         int i;
2061         enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
2062         u32 probe_offset1, probe_offset2;
2063
2064  retry:
2065         if (!cfi->numchips) {
2066                 uaddr_idx++;
2067
2068                 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2069                         return 0;
2070
2071                 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1 / cfi->device_type;
2072                 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2 / cfi->device_type;
2073         }
2074
2075         /* Make certain we aren't probing past the end of map */
2076         if (base >= map->size) {
2077                 printk(KERN_NOTICE
2078                         "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2079                         base, map->size -1);
2080                 return 0;
2081
2082         }
2083         /* Ensure the unlock addresses we try stay inside the map */
2084         probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, map, cfi);
2085         probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, map, cfi);
2086         if (    ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2087                 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2088                 goto retry;
2089
2090         /* Reset */
2091         jedec_reset(base, map, cfi);
2092
2093         /* Autoselect Mode */
2094         if(cfi->addr_unlock1) {
2095                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2096                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2097         }
2098         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2099         /* FIXME - should have a delay before continuing */
2100
2101         if (!cfi->numchips) {
2102                 /* This is the first time we're called. Set up the CFI
2103                    stuff accordingly and return */
2104
2105                 cfi->mfr = jedec_read_mfr(map, base, cfi);
2106                 cfi->id = jedec_read_id(map, base, cfi);
2107                 DEBUG(MTD_DEBUG_LEVEL3,
2108                       "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2109                         cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2110                 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
2111                         if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
2112                                 DEBUG( MTD_DEBUG_LEVEL3,
2113                                        "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2114                                        __func__, cfi->mfr, cfi->id,
2115                                        cfi->addr_unlock1, cfi->addr_unlock2 );
2116                                 if (!cfi_jedec_setup(cfi, i))
2117                                         return 0;
2118                                 goto ok_out;
2119                         }
2120                 }
2121                 goto retry;
2122         } else {
2123                 uint16_t mfr;
2124                 uint16_t id;
2125
2126                 /* Make sure it is a chip of the same manufacturer and id */
2127                 mfr = jedec_read_mfr(map, base, cfi);
2128                 id = jedec_read_id(map, base, cfi);
2129
2130                 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2131                         printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2132                                map->name, mfr, id, base);
2133                         jedec_reset(base, map, cfi);
2134                         return 0;
2135                 }
2136         }
2137
2138         /* Check each previous chip locations to see if it's an alias */
2139         for (i=0; i < (base >> cfi->chipshift); i++) {
2140                 unsigned long start;
2141                 if(!test_bit(i, chip_map)) {
2142                         continue; /* Skip location; no valid chip at this address */
2143                 }
2144                 start = i << cfi->chipshift;
2145                 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2146                     jedec_read_id(map, start, cfi) == cfi->id) {
2147                         /* Eep. This chip also looks like it's in autoselect mode.
2148                            Is it an alias for the new one? */
2149                         jedec_reset(start, map, cfi);
2150
2151                         /* If the device IDs go away, it's an alias */
2152                         if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2153                             jedec_read_id(map, base, cfi) != cfi->id) {
2154                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2155                                        map->name, base, start);
2156                                 return 0;
2157                         }
2158
2159                         /* Yes, it's actually got the device IDs as data. Most
2160                          * unfortunate. Stick the new chip in read mode
2161                          * too and if it's the same, assume it's an alias. */
2162                         /* FIXME: Use other modes to do a proper check */
2163                         jedec_reset(base, map, cfi);
2164                         if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2165                             jedec_read_id(map, base, cfi) == cfi->id) {
2166                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2167                                        map->name, base, start);
2168                                 return 0;
2169                         }
2170                 }
2171         }
2172
2173         /* OK, if we got to here, then none of the previous chips appear to
2174            be aliases for the current one. */
2175         set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2176         cfi->numchips++;
2177
2178 ok_out:
2179         /* Put it back into Read Mode */
2180         jedec_reset(base, map, cfi);
2181
2182         printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2183                map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2184                map->bankwidth*8);
2185
2186         return 1;
2187 }
2188
2189 static struct chip_probe jedec_chip_probe = {
2190         .name = "JEDEC",
2191         .probe_chip = jedec_probe_chip
2192 };
2193
2194 static struct mtd_info *jedec_probe(struct map_info *map)
2195 {
2196         /*
2197          * Just use the generic probe stuff to call our CFI-specific
2198          * chip_probe routine in all the possible permutations, etc.
2199          */
2200         return mtd_do_chip_probe(map, &jedec_chip_probe);
2201 }
2202
2203 static struct mtd_chip_driver jedec_chipdrv = {
2204         .probe  = jedec_probe,
2205         .name   = "jedec_probe",
2206         .module = THIS_MODULE
2207 };
2208
2209 static int __init jedec_probe_init(void)
2210 {
2211         register_mtd_chip_driver(&jedec_chipdrv);
2212         return 0;
2213 }
2214
2215 static void __exit jedec_probe_exit(void)
2216 {
2217         unregister_mtd_chip_driver(&jedec_chipdrv);
2218 }
2219
2220 module_init(jedec_probe_init);
2221 module_exit(jedec_probe_exit);
2222
2223 MODULE_LICENSE("GPL");
2224 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2225 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");