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