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

   1 /*
   2    Common Flash Interface probe code.
   3    (C) 2000 Red Hat. GPL'd.
   4    See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
   5    for the standard this probe goes back to.
   6
   7    Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
   8 */
   9
  10 #include <linux/module.h>
  11 #include <linux/init.h>
  12 #include <linux/types.h>
  13 #include <linux/kernel.h>
  14 #include <asm/io.h>
  15 #include <asm/byteorder.h>
  16 #include <linux/errno.h>
  17 #include <linux/slab.h>
  18 #include <linux/interrupt.h>
  19
  20 #include <linux/mtd/mtd.h>
  21 #include <linux/mtd/map.h>
  22 #include <linux/mtd/cfi.h>
  23 #include <linux/mtd/gen_probe.h>
  24
  25 /* Manufacturers */
  26 #define MANUFACTURER_AMD        0x0001
  27 #define MANUFACTURER_ATMEL      0x001f
  28 #define MANUFACTURER_EON        0x001c
  29 #define MANUFACTURER_FUJITSU    0x0004
  30 #define MANUFACTURER_HYUNDAI    0x00AD
  31 #define MANUFACTURER_INTEL      0x0089
  32 #define MANUFACTURER_MACRONIX   0x00C2
  33 #define MANUFACTURER_NEC        0x0010
  34 #define MANUFACTURER_PMC        0x009D
  35 #define MANUFACTURER_SHARP      0x00b0
  36 #define MANUFACTURER_SST        0x00BF
  37 #define MANUFACTURER_ST         0x0020
  38 #define MANUFACTURER_TOSHIBA    0x0098
  39 #define MANUFACTURER_WINBOND    0x00da
  40 #define CONTINUATION_CODE       0x007f
  41
  42
  43 /* AMD */
  44 #define AM29DL800BB     0x22CB
  45 #define AM29DL800BT     0x224A
  46
  47 #define AM29F800BB      0x2258
  48 #define AM29F800BT      0x22D6
  49 #define AM29LV400BB     0x22BA
  50 #define AM29LV400BT     0x22B9
  51 #define AM29LV800BB     0x225B
  52 #define AM29LV800BT     0x22DA
  53 #define AM29LV160DT     0x22C4
  54 #define AM29LV160DB     0x2249
  55 #define AM29F017D       0x003D
  56 #define AM29F016D       0x00AD
  57 #define AM29F080        0x00D5
  58 #define AM29F040        0x00A4
  59 #define AM29LV040B      0x004F
  60 #define AM29F032B       0x0041
  61 #define AM29F002T       0x00B0
  62 #define AM29SL800DB     0x226B
  63 #define AM29SL800DT     0x22EA
  64
  65 /* Atmel */
  66 #define AT49BV512       0x0003
  67 #define AT29LV512       0x003d
  68 #define AT49BV16X       0x00C0
  69 #define AT49BV16XT      0x00C2
  70 #define AT49BV32X       0x00C8
  71 #define AT49BV32XT      0x00C9
  72
  73 /* Eon */
  74 #define EN29SL800BB     0x226B
  75 #define EN29SL800BT     0x22EA
  76
  77 /* Fujitsu */
  78 #define MBM29F040C      0x00A4
  79 #define MBM29F800BA     0x2258
  80 #define MBM29LV650UE    0x22D7
  81 #define MBM29LV320TE    0x22F6
  82 #define MBM29LV320BE    0x22F9
  83 #define MBM29LV160TE    0x22C4
  84 #define MBM29LV160BE    0x2249
  85 #define MBM29LV800BA    0x225B
  86 #define MBM29LV800TA    0x22DA
  87 #define MBM29LV400TC    0x22B9
  88 #define MBM29LV400BC    0x22BA
  89
  90 /* Hyundai */
  91 #define HY29F002T       0x00B0
  92
  93 /* Intel */
  94 #define I28F004B3T      0x00d4
  95 #define I28F004B3B      0x00d5
  96 #define I28F400B3T      0x8894
  97 #define I28F400B3B      0x8895
  98 #define I28F008S5       0x00a6
  99 #define I28F016S5       0x00a0
 100 #define I28F008SA       0x00a2
 101 #define I28F008B3T      0x00d2
 102 #define I28F008B3B      0x00d3
 103 #define I28F800B3T      0x8892
 104 #define I28F800B3B      0x8893
 105 #define I28F016S3       0x00aa
 106 #define I28F016B3T      0x00d0
 107 #define I28F016B3B      0x00d1
 108 #define I28F160B3T      0x8890
 109 #define I28F160B3B      0x8891
 110 #define I28F320B3T      0x8896
 111 #define I28F320B3B      0x8897
 112 #define I28F640B3T      0x8898
 113 #define I28F640B3B      0x8899
 114 #define I82802AB        0x00ad
 115 #define I82802AC        0x00ac
 116
 117 /* Macronix */
 118 #define MX29LV040C      0x004F
 119 #define MX29LV160T      0x22C4
 120 #define MX29LV160B      0x2249
 121 #define MX29F040        0x00A4
 122 #define MX29F016        0x00AD
 123 #define MX29F002T       0x00B0
 124 #define MX29F004T       0x0045
 125 #define MX29F004B       0x0046
 126
 127 /* NEC */
 128 #define UPD29F064115    0x221C
 129
 130 /* PMC */
 131 #define PM49FL002       0x006D
 132 #define PM49FL004       0x006E
 133 #define PM49FL008       0x006A
 134
 135 /* Sharp */
 136 #define LH28F640BF      0x00b0
 137
 138 /* ST - www.st.com */
 139 #define M29F800AB       0x0058
 140 #define M29W800DT       0x00D7
 141 #define M29W800DB       0x005B
 142 #define M29W400DT       0x00EE
 143 #define M29W400DB       0x00EF
 144 #define M29W160DT       0x22C4
 145 #define M29W160DB       0x2249
 146 #define M29W040B        0x00E3
 147 #define M50FW040        0x002C
 148 #define M50FW080        0x002D
 149 #define M50FW016        0x002E
 150 #define M50LPW080       0x002F
 151 #define M50FLW080A      0x0080
 152 #define M50FLW080B      0x0081
 153
 154 /* SST */
 155 #define SST29EE020      0x0010
 156 #define SST29LE020      0x0012
 157 #define SST29EE512      0x005d
 158 #define SST29LE512      0x003d
 159 #define SST39LF800      0x2781
 160 #define SST39LF160      0x2782
 161 #define SST39VF1601     0x234b
 162 #define SST39LF512      0x00D4
 163 #define SST39LF010      0x00D5
 164 #define SST39LF020      0x00D6
 165 #define SST39LF040      0x00D7
 166 #define SST39SF010A     0x00B5
 167 #define SST39SF020A     0x00B6
 168 #define SST49LF004B     0x0060
 169 #define SST49LF040B     0x0050
 170 #define SST49LF008A     0x005a
 171 #define SST49LF030A     0x001C
 172 #define SST49LF040A     0x0051
 173 #define SST49LF080A     0x005B
 174 #define SST36VF3203     0x7354
 175
 176 /* Toshiba */
 177 #define TC58FVT160      0x00C2
 178 #define TC58FVB160      0x0043
 179 #define TC58FVT321      0x009A
 180 #define TC58FVB321      0x009C
 181 #define TC58FVT641      0x0093
 182 #define TC58FVB641      0x0095
 183
 184 /* Winbond */
 185 #define W49V002A        0x00b0
 186
 187
 188 /*
 189  * Unlock address sets for AMD command sets.
 190  * Intel command sets use the MTD_UADDR_UNNECESSARY.
 191  * Each identifier, except MTD_UADDR_UNNECESSARY, and
 192  * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
 193  * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
 194  * initialization need not require initializing all of the
 195  * unlock addresses for all bit widths.
 196  */
 197 enum uaddr {
 198         MTD_UADDR_NOT_SUPPORTED = 0,    /* data width not supported */
 199         MTD_UADDR_0x0555_0x02AA,
 200         MTD_UADDR_0x0555_0x0AAA,
 201         MTD_UADDR_0x5555_0x2AAA,
 202         MTD_UADDR_0x0AAA_0x0555,
 203         MTD_UADDR_0xAAAA_0x5555,
 204         MTD_UADDR_DONT_CARE,            /* Requires an arbitrary address */
 205         MTD_UADDR_UNNECESSARY,          /* Does not require any address */
 206 };
 207
 208
 209 struct unlock_addr {
 210         uint32_t addr1;
 211         uint32_t addr2;
 212 };
 213
 214
 215 /*
 216  * I don't like the fact that the first entry in unlock_addrs[]
 217  * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
 218  * should not be used.  The  problem is that structures with
 219  * initializers have extra fields initialized to 0.  It is _very_
 220  * desireable to have the unlock address entries for unsupported
 221  * data widths automatically initialized - that means that
 222  * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
 223  * must go unused.
 224  */
 225 static const struct unlock_addr  unlock_addrs[] = {
 226         [MTD_UADDR_NOT_SUPPORTED] = {
 227                 .addr1 = 0xffff,
 228                 .addr2 = 0xffff
 229         },
 230
 231         [MTD_UADDR_0x0555_0x02AA] = {
 232                 .addr1 = 0x0555,
 233                 .addr2 = 0x02aa
 234         },
 235
 236         [MTD_UADDR_0x0555_0x0AAA] = {
 237                 .addr1 = 0x0555,
 238                 .addr2 = 0x0aaa
 239         },
 240
 241         [MTD_UADDR_0x5555_0x2AAA] = {
 242                 .addr1 = 0x5555,
 243                 .addr2 = 0x2aaa
 244         },
 245
 246         [MTD_UADDR_0x0AAA_0x0555] = {
 247                 .addr1 = 0x0AAA,
 248                 .addr2 = 0x0555
 249         },
 250
 251         [MTD_UADDR_0xAAAA_0x5555] = {
 252                 .addr1 = 0xaaaa,
 253                 .addr2 = 0x5555
 254         },
 255
 256         [MTD_UADDR_DONT_CARE] = {
 257                 .addr1 = 0x0000,      /* Doesn't matter which address */
 258                 .addr2 = 0x0000       /* is used - must be last entry */
 259         },
 260
 261         [MTD_UADDR_UNNECESSARY] = {
 262                 .addr1 = 0x0000,
 263                 .addr2 = 0x0000
 264         }
 265 };
 266
 267 struct amd_flash_info {
 268         const char *name;
 269         const uint16_t mfr_id;
 270         const uint16_t dev_id;
 271         const uint8_t dev_size;
 272         const uint8_t nr_regions;
 273         const uint16_t cmd_set;
 274         const uint32_t regions[6];
 275         const uint8_t devtypes;         /* Bitmask for x8, x16 etc. */
 276         const uint8_t uaddr;            /* unlock addrs for 8, 16, 32, 64 */
 277 };
 278
 279 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
 280
 281 #define SIZE_64KiB  16
 282 #define SIZE_128KiB 17
 283 #define SIZE_256KiB 18
 284 #define SIZE_512KiB 19
 285 #define SIZE_1MiB   20
 286 #define SIZE_2MiB   21
 287 #define SIZE_4MiB   22
 288 #define SIZE_8MiB   23
 289
 290
 291 /*
 292  * Please keep this list ordered by manufacturer!
 293  * Fortunately, the list isn't searched often and so a
 294  * slow, linear search isn't so bad.
 295  */
 296 static const struct amd_flash_info jedec_table[] = {
 297         {
 298                 .mfr_id         = MANUFACTURER_AMD,
 299                 .dev_id         = AM29F032B,
 300                 .name           = "AMD AM29F032B",
 301                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 302                 .devtypes       = CFI_DEVICETYPE_X8,
 303                 .dev_size       = SIZE_4MiB,
 304                 .cmd_set        = P_ID_AMD_STD,
 305                 .nr_regions     = 1,
 306                 .regions        = {
 307                         ERASEINFO(0x10000,64)
 308                 }
 309         }, {
 310                 .mfr_id         = MANUFACTURER_AMD,
 311                 .dev_id         = AM29LV160DT,
 312                 .name           = "AMD AM29LV160DT",
 313                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 314                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 315                 .dev_size       = SIZE_2MiB,
 316                 .cmd_set        = P_ID_AMD_STD,
 317                 .nr_regions     = 4,
 318                 .regions        = {
 319                         ERASEINFO(0x10000,31),
 320                         ERASEINFO(0x08000,1),
 321                         ERASEINFO(0x02000,2),
 322                         ERASEINFO(0x04000,1)
 323                 }
 324         }, {
 325                 .mfr_id         = MANUFACTURER_AMD,
 326                 .dev_id         = AM29LV160DB,
 327                 .name           = "AMD AM29LV160DB",
 328                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 329                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 330                 .dev_size       = SIZE_2MiB,
 331                 .cmd_set        = P_ID_AMD_STD,
 332                 .nr_regions     = 4,
 333                 .regions        = {
 334                         ERASEINFO(0x04000,1),
 335                         ERASEINFO(0x02000,2),
 336                         ERASEINFO(0x08000,1),
 337                         ERASEINFO(0x10000,31)
 338                 }
 339         }, {
 340                 .mfr_id         = MANUFACTURER_AMD,
 341                 .dev_id         = AM29LV400BB,
 342                 .name           = "AMD AM29LV400BB",
 343                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 344                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 345                 .dev_size       = SIZE_512KiB,
 346                 .cmd_set        = P_ID_AMD_STD,
 347                 .nr_regions     = 4,
 348                 .regions        = {
 349                         ERASEINFO(0x04000,1),
 350                         ERASEINFO(0x02000,2),
 351                         ERASEINFO(0x08000,1),
 352                         ERASEINFO(0x10000,7)
 353                 }
 354         }, {
 355                 .mfr_id         = MANUFACTURER_AMD,
 356                 .dev_id         = AM29LV400BT,
 357                 .name           = "AMD AM29LV400BT",
 358                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 359                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 360                 .dev_size       = SIZE_512KiB,
 361                 .cmd_set        = P_ID_AMD_STD,
 362                 .nr_regions     = 4,
 363                 .regions        = {
 364                         ERASEINFO(0x10000,7),
 365                         ERASEINFO(0x08000,1),
 366                         ERASEINFO(0x02000,2),
 367                         ERASEINFO(0x04000,1)
 368                 }
 369         }, {
 370                 .mfr_id         = MANUFACTURER_AMD,
 371                 .dev_id         = AM29LV800BB,
 372                 .name           = "AMD AM29LV800BB",
 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     = 4,
 378                 .regions        = {
 379                         ERASEINFO(0x04000,1),
 380                         ERASEINFO(0x02000,2),
 381                         ERASEINFO(0x08000,1),
 382                         ERASEINFO(0x10000,15),
 383                 }
 384         }, {
 385 /* add DL */
 386                 .mfr_id         = MANUFACTURER_AMD,
 387                 .dev_id         = AM29DL800BB,
 388                 .name           = "AMD AM29DL800BB",
 389                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 390                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 391                 .dev_size       = SIZE_1MiB,
 392                 .cmd_set        = P_ID_AMD_STD,
 393                 .nr_regions     = 6,
 394                 .regions        = {
 395                         ERASEINFO(0x04000,1),
 396                         ERASEINFO(0x08000,1),
 397                         ERASEINFO(0x02000,4),
 398                         ERASEINFO(0x08000,1),
 399                         ERASEINFO(0x04000,1),
 400                         ERASEINFO(0x10000,14)
 401                 }
 402         }, {
 403                 .mfr_id         = MANUFACTURER_AMD,
 404                 .dev_id         = AM29DL800BT,
 405                 .name           = "AMD AM29DL800BT",
 406                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 407                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 408                 .dev_size       = SIZE_1MiB,
 409                 .cmd_set        = P_ID_AMD_STD,
 410                 .nr_regions     = 6,
 411                 .regions        = {
 412                         ERASEINFO(0x10000,14),
 413                         ERASEINFO(0x04000,1),
 414                         ERASEINFO(0x08000,1),
 415                         ERASEINFO(0x02000,4),
 416                         ERASEINFO(0x08000,1),
 417                         ERASEINFO(0x04000,1)
 418                 }
 419         }, {
 420                 .mfr_id         = MANUFACTURER_AMD,
 421                 .dev_id         = AM29F800BB,
 422                 .name           = "AMD AM29F800BB",
 423                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 424                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 425                 .dev_size       = SIZE_1MiB,
 426                 .cmd_set        = P_ID_AMD_STD,
 427                 .nr_regions     = 4,
 428                 .regions        = {
 429                         ERASEINFO(0x04000,1),
 430                         ERASEINFO(0x02000,2),
 431                         ERASEINFO(0x08000,1),
 432                         ERASEINFO(0x10000,15),
 433                 }
 434         }, {
 435                 .mfr_id         = MANUFACTURER_AMD,
 436                 .dev_id         = AM29LV800BT,
 437                 .name           = "AMD AM29LV800BT",
 438                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 439                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 440                 .dev_size       = SIZE_1MiB,
 441                 .cmd_set        = P_ID_AMD_STD,
 442                 .nr_regions     = 4,
 443                 .regions        = {
 444                         ERASEINFO(0x10000,15),
 445                         ERASEINFO(0x08000,1),
 446                         ERASEINFO(0x02000,2),
 447                         ERASEINFO(0x04000,1)
 448                 }
 449         }, {
 450                 .mfr_id         = MANUFACTURER_AMD,
 451                 .dev_id         = AM29F800BT,
 452                 .name           = "AMD AM29F800BT",
 453                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 454                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 455                 .dev_size       = SIZE_1MiB,
 456                 .cmd_set        = P_ID_AMD_STD,
 457                 .nr_regions     = 4,
 458                 .regions        = {
 459                         ERASEINFO(0x10000,15),
 460                         ERASEINFO(0x08000,1),
 461                         ERASEINFO(0x02000,2),
 462                         ERASEINFO(0x04000,1)
 463                 }
 464         }, {
 465                 .mfr_id         = MANUFACTURER_AMD,
 466                 .dev_id         = AM29F017D,
 467                 .name           = "AMD AM29F017D",
 468                 .devtypes       = CFI_DEVICETYPE_X8,
 469                 .uaddr          = MTD_UADDR_DONT_CARE,
 470                 .dev_size       = SIZE_2MiB,
 471                 .cmd_set        = P_ID_AMD_STD,
 472                 .nr_regions     = 1,
 473                 .regions        = {
 474                         ERASEINFO(0x10000,32),
 475                 }
 476         }, {
 477                 .mfr_id         = MANUFACTURER_AMD,
 478                 .dev_id         = AM29F016D,
 479                 .name           = "AMD AM29F016D",
 480                 .devtypes       = CFI_DEVICETYPE_X8,
 481                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 482                 .dev_size       = SIZE_2MiB,
 483                 .cmd_set        = P_ID_AMD_STD,
 484                 .nr_regions     = 1,
 485                 .regions        = {
 486                         ERASEINFO(0x10000,32),
 487                 }
 488         }, {
 489                 .mfr_id         = MANUFACTURER_AMD,
 490                 .dev_id         = AM29F080,
 491                 .name           = "AMD AM29F080",
 492                 .devtypes       = CFI_DEVICETYPE_X8,
 493                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 494                 .dev_size       = SIZE_1MiB,
 495                 .cmd_set        = P_ID_AMD_STD,
 496                 .nr_regions     = 1,
 497                 .regions        = {
 498                         ERASEINFO(0x10000,16),
 499                 }
 500         }, {
 501                 .mfr_id         = MANUFACTURER_AMD,
 502                 .dev_id         = AM29F040,
 503                 .name           = "AMD AM29F040",
 504                 .devtypes       = CFI_DEVICETYPE_X8,
 505                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 506                 .dev_size       = SIZE_512KiB,
 507                 .cmd_set        = P_ID_AMD_STD,
 508                 .nr_regions     = 1,
 509                 .regions        = {
 510                         ERASEINFO(0x10000,8),
 511                 }
 512         }, {
 513                 .mfr_id         = MANUFACTURER_AMD,
 514                 .dev_id         = AM29LV040B,
 515                 .name           = "AMD AM29LV040B",
 516                 .devtypes       = CFI_DEVICETYPE_X8,
 517                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 518                 .dev_size       = SIZE_512KiB,
 519                 .cmd_set        = P_ID_AMD_STD,
 520                 .nr_regions     = 1,
 521                 .regions        = {
 522                         ERASEINFO(0x10000,8),
 523                 }
 524         }, {
 525                 .mfr_id         = MANUFACTURER_AMD,
 526                 .dev_id         = AM29F002T,
 527                 .name           = "AMD AM29F002T",
 528                 .devtypes       = CFI_DEVICETYPE_X8,
 529                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 530                 .dev_size       = SIZE_256KiB,
 531                 .cmd_set        = P_ID_AMD_STD,
 532                 .nr_regions     = 4,
 533                 .regions        = {
 534                         ERASEINFO(0x10000,3),
 535                         ERASEINFO(0x08000,1),
 536                         ERASEINFO(0x02000,2),
 537                         ERASEINFO(0x04000,1),
 538                 }
 539         }, {
 540                 .mfr_id         = MANUFACTURER_AMD,
 541                 .dev_id         = AM29SL800DT,
 542                 .name           = "AMD AM29SL800DT",
 543                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 544                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 545                 .dev_size       = SIZE_1MiB,
 546                 .cmd_set        = P_ID_AMD_STD,
 547                 .nr_regions     = 4,
 548                 .regions        = {
 549                         ERASEINFO(0x10000,15),
 550                         ERASEINFO(0x08000,1),
 551                         ERASEINFO(0x02000,2),
 552                         ERASEINFO(0x04000,1),
 553                 }
 554         }, {
 555                 .mfr_id         = MANUFACTURER_AMD,
 556                 .dev_id         = AM29SL800DB,
 557                 .name           = "AMD AM29SL800DB",
 558                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 559                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 560                 .dev_size       = SIZE_1MiB,
 561                 .cmd_set        = P_ID_AMD_STD,
 562                 .nr_regions     = 4,
 563                 .regions        = {
 564                         ERASEINFO(0x04000,1),
 565                         ERASEINFO(0x02000,2),
 566                         ERASEINFO(0x08000,1),
 567                         ERASEINFO(0x10000,15),
 568                 }
 569         }, {
 570                 .mfr_id         = MANUFACTURER_ATMEL,
 571                 .dev_id         = AT49BV512,
 572                 .name           = "Atmel AT49BV512",
 573                 .devtypes       = CFI_DEVICETYPE_X8,
 574                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 575                 .dev_size       = SIZE_64KiB,
 576                 .cmd_set        = P_ID_AMD_STD,
 577                 .nr_regions     = 1,
 578                 .regions        = {
 579                         ERASEINFO(0x10000,1)
 580                 }
 581         }, {
 582                 .mfr_id         = MANUFACTURER_ATMEL,
 583                 .dev_id         = AT29LV512,
 584                 .name           = "Atmel AT29LV512",
 585                 .devtypes       = CFI_DEVICETYPE_X8,
 586                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 587                 .dev_size       = SIZE_64KiB,
 588                 .cmd_set        = P_ID_AMD_STD,
 589                 .nr_regions     = 1,
 590                 .regions        = {
 591                         ERASEINFO(0x80,256),
 592                         ERASEINFO(0x80,256)
 593                 }
 594         }, {
 595                 .mfr_id         = MANUFACTURER_ATMEL,
 596                 .dev_id         = AT49BV16X,
 597                 .name           = "Atmel AT49BV16X",
 598                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 599                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 600                 .dev_size       = SIZE_2MiB,
 601                 .cmd_set        = P_ID_AMD_STD,
 602                 .nr_regions     = 2,
 603                 .regions        = {
 604                         ERASEINFO(0x02000,8),
 605                         ERASEINFO(0x10000,31)
 606                 }
 607         }, {
 608                 .mfr_id         = MANUFACTURER_ATMEL,
 609                 .dev_id         = AT49BV16XT,
 610                 .name           = "Atmel AT49BV16XT",
 611                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 612                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 613                 .dev_size       = SIZE_2MiB,
 614                 .cmd_set        = P_ID_AMD_STD,
 615                 .nr_regions     = 2,
 616                 .regions        = {
 617                         ERASEINFO(0x10000,31),
 618                         ERASEINFO(0x02000,8)
 619                 }
 620         }, {
 621                 .mfr_id         = MANUFACTURER_ATMEL,
 622                 .dev_id         = AT49BV32X,
 623                 .name           = "Atmel AT49BV32X",
 624                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 625                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 626                 .dev_size       = SIZE_4MiB,
 627                 .cmd_set        = P_ID_AMD_STD,
 628                 .nr_regions     = 2,
 629                 .regions        = {
 630                         ERASEINFO(0x02000,8),
 631                         ERASEINFO(0x10000,63)
 632                 }
 633         }, {
 634                 .mfr_id         = MANUFACTURER_ATMEL,
 635                 .dev_id         = AT49BV32XT,
 636                 .name           = "Atmel AT49BV32XT",
 637                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 638                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 639                 .dev_size       = SIZE_4MiB,
 640                 .cmd_set        = P_ID_AMD_STD,
 641                 .nr_regions     = 2,
 642                 .regions        = {
 643                         ERASEINFO(0x10000,63),
 644                         ERASEINFO(0x02000,8)
 645                 }
 646         }, {
 647                 .mfr_id         = MANUFACTURER_EON,
 648                 .dev_id         = EN29SL800BT,
 649                 .name           = "Eon EN29SL800BT",
 650                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 651                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 652                 .dev_size       = SIZE_1MiB,
 653                 .cmd_set        = P_ID_AMD_STD,
 654                 .nr_regions     = 4,
 655                 .regions        = {
 656                         ERASEINFO(0x10000,15),
 657                         ERASEINFO(0x08000,1),
 658                         ERASEINFO(0x02000,2),
 659                         ERASEINFO(0x04000,1),
 660                 }
 661         }, {
 662                 .mfr_id         = MANUFACTURER_EON,
 663                 .dev_id         = EN29SL800BB,
 664                 .name           = "Eon EN29SL800BB",
 665                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 666                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 667                 .dev_size       = SIZE_1MiB,
 668                 .cmd_set        = P_ID_AMD_STD,
 669                 .nr_regions     = 4,
 670                 .regions        = {
 671                         ERASEINFO(0x04000,1),
 672                         ERASEINFO(0x02000,2),
 673                         ERASEINFO(0x08000,1),
 674                         ERASEINFO(0x10000,15),
 675                 }
 676         }, {
 677                 .mfr_id         = MANUFACTURER_FUJITSU,
 678                 .dev_id         = MBM29F040C,
 679                 .name           = "Fujitsu MBM29F040C",
 680                 .devtypes       = CFI_DEVICETYPE_X8,
 681                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 682                 .dev_size       = SIZE_512KiB,
 683                 .cmd_set        = P_ID_AMD_STD,
 684                 .nr_regions     = 1,
 685                 .regions        = {
 686                         ERASEINFO(0x10000,8)
 687                 }
 688         }, {
 689                 .mfr_id         = MANUFACTURER_FUJITSU,
 690                 .dev_id         = MBM29F800BA,
 691                 .name           = "Fujitsu MBM29F800BA",
 692                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 693                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 694                 .dev_size       = SIZE_1MiB,
 695                 .cmd_set        = P_ID_AMD_STD,
 696                 .nr_regions     = 4,
 697                 .regions        = {
 698                         ERASEINFO(0x04000,1),
 699                         ERASEINFO(0x02000,2),
 700                         ERASEINFO(0x08000,1),
 701                         ERASEINFO(0x10000,15),
 702                 }
 703         }, {
 704                 .mfr_id         = MANUFACTURER_FUJITSU,
 705                 .dev_id         = MBM29LV650UE,
 706                 .name           = "Fujitsu MBM29LV650UE",
 707                 .devtypes       = CFI_DEVICETYPE_X8,
 708                 .uaddr          = MTD_UADDR_DONT_CARE,
 709                 .dev_size       = SIZE_8MiB,
 710                 .cmd_set        = P_ID_AMD_STD,
 711                 .nr_regions     = 1,
 712                 .regions        = {
 713                         ERASEINFO(0x10000,128)
 714                 }
 715         }, {
 716                 .mfr_id         = MANUFACTURER_FUJITSU,
 717                 .dev_id         = MBM29LV320TE,
 718                 .name           = "Fujitsu MBM29LV320TE",
 719                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 720                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 721                 .dev_size       = SIZE_4MiB,
 722                 .cmd_set        = P_ID_AMD_STD,
 723                 .nr_regions     = 2,
 724                 .regions        = {
 725                         ERASEINFO(0x10000,63),
 726                         ERASEINFO(0x02000,8)
 727                 }
 728         }, {
 729                 .mfr_id         = MANUFACTURER_FUJITSU,
 730                 .dev_id         = MBM29LV320BE,
 731                 .name           = "Fujitsu MBM29LV320BE",
 732                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 733                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 734                 .dev_size       = SIZE_4MiB,
 735                 .cmd_set        = P_ID_AMD_STD,
 736                 .nr_regions     = 2,
 737                 .regions        = {
 738                         ERASEINFO(0x02000,8),
 739                         ERASEINFO(0x10000,63)
 740                 }
 741         }, {
 742                 .mfr_id         = MANUFACTURER_FUJITSU,
 743                 .dev_id         = MBM29LV160TE,
 744                 .name           = "Fujitsu MBM29LV160TE",
 745                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 746                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 747                 .dev_size       = SIZE_2MiB,
 748                 .cmd_set        = P_ID_AMD_STD,
 749                 .nr_regions     = 4,
 750                 .regions        = {
 751                         ERASEINFO(0x10000,31),
 752                         ERASEINFO(0x08000,1),
 753                         ERASEINFO(0x02000,2),
 754                         ERASEINFO(0x04000,1)
 755                 }
 756         }, {
 757                 .mfr_id         = MANUFACTURER_FUJITSU,
 758                 .dev_id         = MBM29LV160BE,
 759                 .name           = "Fujitsu MBM29LV160BE",
 760                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 761                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 762                 .dev_size       = SIZE_2MiB,
 763                 .cmd_set        = P_ID_AMD_STD,
 764                 .nr_regions     = 4,
 765                 .regions        = {
 766                         ERASEINFO(0x04000,1),
 767                         ERASEINFO(0x02000,2),
 768                         ERASEINFO(0x08000,1),
 769                         ERASEINFO(0x10000,31)
 770                 }
 771         }, {
 772                 .mfr_id         = MANUFACTURER_FUJITSU,
 773                 .dev_id         = MBM29LV800BA,
 774                 .name           = "Fujitsu MBM29LV800BA",
 775                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 776                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 777                 .dev_size       = SIZE_1MiB,
 778                 .cmd_set        = P_ID_AMD_STD,
 779                 .nr_regions     = 4,
 780                 .regions        = {
 781                         ERASEINFO(0x04000,1),
 782                         ERASEINFO(0x02000,2),
 783                         ERASEINFO(0x08000,1),
 784                         ERASEINFO(0x10000,15)
 785                 }
 786         }, {
 787                 .mfr_id         = MANUFACTURER_FUJITSU,
 788                 .dev_id         = MBM29LV800TA,
 789                 .name           = "Fujitsu MBM29LV800TA",
 790                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 791                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 792                 .dev_size       = SIZE_1MiB,
 793                 .cmd_set        = P_ID_AMD_STD,
 794                 .nr_regions     = 4,
 795                 .regions        = {
 796                         ERASEINFO(0x10000,15),
 797                         ERASEINFO(0x08000,1),
 798                         ERASEINFO(0x02000,2),
 799                         ERASEINFO(0x04000,1)
 800                 }
 801         }, {
 802                 .mfr_id         = MANUFACTURER_FUJITSU,
 803                 .dev_id         = MBM29LV400BC,
 804                 .name           = "Fujitsu MBM29LV400BC",
 805                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 806                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 807                 .dev_size       = SIZE_512KiB,
 808                 .cmd_set        = P_ID_AMD_STD,
 809                 .nr_regions     = 4,
 810                 .regions        = {
 811                         ERASEINFO(0x04000,1),
 812                         ERASEINFO(0x02000,2),
 813                         ERASEINFO(0x08000,1),
 814                         ERASEINFO(0x10000,7)
 815                 }
 816         }, {
 817                 .mfr_id         = MANUFACTURER_FUJITSU,
 818                 .dev_id         = MBM29LV400TC,
 819                 .name           = "Fujitsu MBM29LV400TC",
 820                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 821                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 822                 .dev_size       = SIZE_512KiB,
 823                 .cmd_set        = P_ID_AMD_STD,
 824                 .nr_regions     = 4,
 825                 .regions        = {
 826                         ERASEINFO(0x10000,7),
 827                         ERASEINFO(0x08000,1),
 828                         ERASEINFO(0x02000,2),
 829                         ERASEINFO(0x04000,1)
 830                 }
 831         }, {
 832                 .mfr_id         = MANUFACTURER_HYUNDAI,
 833                 .dev_id         = HY29F002T,
 834                 .name           = "Hyundai HY29F002T",
 835                 .devtypes       = CFI_DEVICETYPE_X8,
 836                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 837                 .dev_size       = SIZE_256KiB,
 838                 .cmd_set        = P_ID_AMD_STD,
 839                 .nr_regions     = 4,
 840                 .regions        = {
 841                         ERASEINFO(0x10000,3),
 842                         ERASEINFO(0x08000,1),
 843                         ERASEINFO(0x02000,2),
 844                         ERASEINFO(0x04000,1),
 845                 }
 846         }, {
 847                 .mfr_id         = MANUFACTURER_INTEL,
 848                 .dev_id         = I28F004B3B,
 849                 .name           = "Intel 28F004B3B",
 850                 .devtypes       = CFI_DEVICETYPE_X8,
 851                 .uaddr          = MTD_UADDR_UNNECESSARY,
 852                 .dev_size       = SIZE_512KiB,
 853                 .cmd_set        = P_ID_INTEL_STD,
 854                 .nr_regions     = 2,
 855                 .regions        = {
 856                         ERASEINFO(0x02000, 8),
 857                         ERASEINFO(0x10000, 7),
 858                 }
 859         }, {
 860                 .mfr_id         = MANUFACTURER_INTEL,
 861                 .dev_id         = I28F004B3T,
 862                 .name           = "Intel 28F004B3T",
 863                 .devtypes       = CFI_DEVICETYPE_X8,
 864                 .uaddr          = MTD_UADDR_UNNECESSARY,
 865                 .dev_size       = SIZE_512KiB,
 866                 .cmd_set        = P_ID_INTEL_STD,
 867                 .nr_regions     = 2,
 868                 .regions        = {
 869                         ERASEINFO(0x10000, 7),
 870                         ERASEINFO(0x02000, 8),
 871                 }
 872         }, {
 873                 .mfr_id         = MANUFACTURER_INTEL,
 874                 .dev_id         = I28F400B3B,
 875                 .name           = "Intel 28F400B3B",
 876                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 877                 .uaddr          = MTD_UADDR_UNNECESSARY,
 878                 .dev_size       = SIZE_512KiB,
 879                 .cmd_set        = P_ID_INTEL_STD,
 880                 .nr_regions     = 2,
 881                 .regions        = {
 882                         ERASEINFO(0x02000, 8),
 883                         ERASEINFO(0x10000, 7),
 884                 }
 885         }, {
 886                 .mfr_id         = MANUFACTURER_INTEL,
 887                 .dev_id         = I28F400B3T,
 888                 .name           = "Intel 28F400B3T",
 889                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 890                 .uaddr          = MTD_UADDR_UNNECESSARY,
 891                 .dev_size       = SIZE_512KiB,
 892                 .cmd_set        = P_ID_INTEL_STD,
 893                 .nr_regions     = 2,
 894                 .regions        = {
 895                         ERASEINFO(0x10000, 7),
 896                         ERASEINFO(0x02000, 8),
 897                 }
 898         }, {
 899                 .mfr_id         = MANUFACTURER_INTEL,
 900                 .dev_id         = I28F008B3B,
 901                 .name           = "Intel 28F008B3B",
 902                 .devtypes       = CFI_DEVICETYPE_X8,
 903                 .uaddr          = MTD_UADDR_UNNECESSARY,
 904                 .dev_size       = SIZE_1MiB,
 905                 .cmd_set        = P_ID_INTEL_STD,
 906                 .nr_regions     = 2,
 907                 .regions        = {
 908                         ERASEINFO(0x02000, 8),
 909                         ERASEINFO(0x10000, 15),
 910                 }
 911         }, {
 912                 .mfr_id         = MANUFACTURER_INTEL,
 913                 .dev_id         = I28F008B3T,
 914                 .name           = "Intel 28F008B3T",
 915                 .devtypes       = CFI_DEVICETYPE_X8,
 916                 .uaddr          = MTD_UADDR_UNNECESSARY,
 917                 .dev_size       = SIZE_1MiB,
 918                 .cmd_set        = P_ID_INTEL_STD,
 919                 .nr_regions     = 2,
 920                 .regions        = {
 921                         ERASEINFO(0x10000, 15),
 922                         ERASEINFO(0x02000, 8),
 923                 }
 924         }, {
 925                 .mfr_id         = MANUFACTURER_INTEL,
 926                 .dev_id         = I28F008S5,
 927                 .name           = "Intel 28F008S5",
 928                 .devtypes       = CFI_DEVICETYPE_X8,
 929                 .uaddr          = MTD_UADDR_UNNECESSARY,
 930                 .dev_size       = SIZE_1MiB,
 931                 .cmd_set        = P_ID_INTEL_EXT,
 932                 .nr_regions     = 1,
 933                 .regions        = {
 934                         ERASEINFO(0x10000,16),
 935                 }
 936         }, {
 937                 .mfr_id         = MANUFACTURER_INTEL,
 938                 .dev_id         = I28F016S5,
 939                 .name           = "Intel 28F016S5",
 940                 .devtypes       = CFI_DEVICETYPE_X8,
 941                 .uaddr          = MTD_UADDR_UNNECESSARY,
 942                 .dev_size       = SIZE_2MiB,
 943                 .cmd_set        = P_ID_INTEL_EXT,
 944                 .nr_regions     = 1,
 945                 .regions        = {
 946                         ERASEINFO(0x10000,32),
 947                 }
 948         }, {
 949                 .mfr_id         = MANUFACTURER_INTEL,
 950                 .dev_id         = I28F008SA,
 951                 .name           = "Intel 28F008SA",
 952                 .devtypes       = CFI_DEVICETYPE_X8,
 953                 .uaddr          = MTD_UADDR_UNNECESSARY,
 954                 .dev_size       = SIZE_1MiB,
 955                 .cmd_set        = P_ID_INTEL_STD,
 956                 .nr_regions     = 1,
 957                 .regions        = {
 958                         ERASEINFO(0x10000, 16),
 959                 }
 960         }, {
 961                 .mfr_id         = MANUFACTURER_INTEL,
 962                 .dev_id         = I28F800B3B,
 963                 .name           = "Intel 28F800B3B",
 964                 .devtypes       = CFI_DEVICETYPE_X16,
 965                 .uaddr          = MTD_UADDR_UNNECESSARY,
 966                 .dev_size       = SIZE_1MiB,
 967                 .cmd_set        = P_ID_INTEL_STD,
 968                 .nr_regions     = 2,
 969                 .regions        = {
 970                         ERASEINFO(0x02000, 8),
 971                         ERASEINFO(0x10000, 15),
 972                 }
 973         }, {
 974                 .mfr_id         = MANUFACTURER_INTEL,
 975                 .dev_id         = I28F800B3T,
 976                 .name           = "Intel 28F800B3T",
 977                 .devtypes       = CFI_DEVICETYPE_X16,
 978                 .uaddr          = MTD_UADDR_UNNECESSARY,
 979                 .dev_size       = SIZE_1MiB,
 980                 .cmd_set        = P_ID_INTEL_STD,
 981                 .nr_regions     = 2,
 982                 .regions        = {
 983                         ERASEINFO(0x10000, 15),
 984                         ERASEINFO(0x02000, 8),
 985                 }
 986         }, {
 987                 .mfr_id         = MANUFACTURER_INTEL,
 988                 .dev_id         = I28F016B3B,
 989                 .name           = "Intel 28F016B3B",
 990                 .devtypes       = CFI_DEVICETYPE_X8,
 991                 .uaddr          = MTD_UADDR_UNNECESSARY,
 992                 .dev_size       = SIZE_2MiB,
 993                 .cmd_set        = P_ID_INTEL_STD,
 994                 .nr_regions     = 2,
 995                 .regions        = {
 996                         ERASEINFO(0x02000, 8),
 997                         ERASEINFO(0x10000, 31),
 998                 }
 999         }, {
1000                 .mfr_id         = MANUFACTURER_INTEL,
1001                 .dev_id         = I28F016S3,
1002                 .name           = "Intel I28F016S3",
1003                 .devtypes       = CFI_DEVICETYPE_X8,
1004                 .uaddr          = MTD_UADDR_UNNECESSARY,
1005                 .dev_size       = SIZE_2MiB,
1006                 .cmd_set        = P_ID_INTEL_STD,
1007                 .nr_regions     = 1,
1008                 .regions        = {
1009                         ERASEINFO(0x10000, 32),
1010                 }
1011         }, {
1012                 .mfr_id         = MANUFACTURER_INTEL,
1013                 .dev_id         = I28F016B3T,
1014                 .name           = "Intel 28F016B3T",
1015                 .devtypes       = CFI_DEVICETYPE_X8,
1016                 .uaddr          = MTD_UADDR_UNNECESSARY,
1017                 .dev_size       = SIZE_2MiB,
1018                 .cmd_set        = P_ID_INTEL_STD,
1019                 .nr_regions     = 2,
1020                 .regions        = {
1021                         ERASEINFO(0x10000, 31),
1022                         ERASEINFO(0x02000, 8),
1023                 }
1024         }, {
1025                 .mfr_id         = MANUFACTURER_INTEL,
1026                 .dev_id         = I28F160B3B,
1027                 .name           = "Intel 28F160B3B",
1028                 .devtypes       = CFI_DEVICETYPE_X16,
1029                 .uaddr          = MTD_UADDR_UNNECESSARY,
1030                 .dev_size       = SIZE_2MiB,
1031                 .cmd_set        = P_ID_INTEL_STD,
1032                 .nr_regions     = 2,
1033                 .regions        = {
1034                         ERASEINFO(0x02000, 8),
1035                         ERASEINFO(0x10000, 31),
1036                 }
1037         }, {
1038                 .mfr_id         = MANUFACTURER_INTEL,
1039                 .dev_id         = I28F160B3T,
1040                 .name           = "Intel 28F160B3T",
1041                 .devtypes       = CFI_DEVICETYPE_X16,
1042                 .uaddr          = MTD_UADDR_UNNECESSARY,
1043                 .dev_size       = SIZE_2MiB,
1044                 .cmd_set        = P_ID_INTEL_STD,
1045                 .nr_regions     = 2,
1046                 .regions        = {
1047                         ERASEINFO(0x10000, 31),
1048                         ERASEINFO(0x02000, 8),
1049                 }
1050         }, {
1051                 .mfr_id         = MANUFACTURER_INTEL,
1052                 .dev_id         = I28F320B3B,
1053                 .name           = "Intel 28F320B3B",
1054                 .devtypes       = CFI_DEVICETYPE_X16,
1055                 .uaddr          = MTD_UADDR_UNNECESSARY,
1056                 .dev_size       = SIZE_4MiB,
1057                 .cmd_set        = P_ID_INTEL_STD,
1058                 .nr_regions     = 2,
1059                 .regions        = {
1060                         ERASEINFO(0x02000, 8),
1061                         ERASEINFO(0x10000, 63),
1062                 }
1063         }, {
1064                 .mfr_id         = MANUFACTURER_INTEL,
1065                 .dev_id         = I28F320B3T,
1066                 .name           = "Intel 28F320B3T",
1067                 .devtypes       = CFI_DEVICETYPE_X16,
1068                 .uaddr          = MTD_UADDR_UNNECESSARY,
1069                 .dev_size       = SIZE_4MiB,
1070                 .cmd_set        = P_ID_INTEL_STD,
1071                 .nr_regions     = 2,
1072                 .regions        = {
1073                         ERASEINFO(0x10000, 63),
1074                         ERASEINFO(0x02000, 8),
1075                 }
1076         }, {
1077                 .mfr_id         = MANUFACTURER_INTEL,
1078                 .dev_id         = I28F640B3B,
1079                 .name           = "Intel 28F640B3B",
1080                 .devtypes       = CFI_DEVICETYPE_X16,
1081                 .uaddr          = MTD_UADDR_UNNECESSARY,
1082                 .dev_size       = SIZE_8MiB,
1083                 .cmd_set        = P_ID_INTEL_STD,
1084                 .nr_regions     = 2,
1085                 .regions        = {
1086                         ERASEINFO(0x02000, 8),
1087                         ERASEINFO(0x10000, 127),
1088                 }
1089         }, {
1090                 .mfr_id         = MANUFACTURER_INTEL,
1091                 .dev_id         = I28F640B3T,
1092                 .name           = "Intel 28F640B3T",
1093                 .devtypes       = CFI_DEVICETYPE_X16,
1094                 .uaddr          = MTD_UADDR_UNNECESSARY,
1095                 .dev_size       = SIZE_8MiB,
1096                 .cmd_set        = P_ID_INTEL_STD,
1097                 .nr_regions     = 2,
1098                 .regions        = {
1099                         ERASEINFO(0x10000, 127),
1100                         ERASEINFO(0x02000, 8),
1101                 }
1102         }, {
1103                 .mfr_id         = MANUFACTURER_INTEL,
1104                 .dev_id         = I82802AB,
1105                 .name           = "Intel 82802AB",
1106                 .devtypes       = CFI_DEVICETYPE_X8,
1107                 .uaddr          = MTD_UADDR_UNNECESSARY,
1108                 .dev_size       = SIZE_512KiB,
1109                 .cmd_set        = P_ID_INTEL_EXT,
1110                 .nr_regions     = 1,
1111                 .regions        = {
1112                         ERASEINFO(0x10000,8),
1113                 }
1114         }, {
1115                 .mfr_id         = MANUFACTURER_INTEL,
1116                 .dev_id         = I82802AC,
1117                 .name           = "Intel 82802AC",
1118                 .devtypes       = CFI_DEVICETYPE_X8,
1119                 .uaddr          = MTD_UADDR_UNNECESSARY,
1120                 .dev_size       = SIZE_1MiB,
1121                 .cmd_set        = P_ID_INTEL_EXT,
1122                 .nr_regions     = 1,
1123                 .regions        = {
1124                         ERASEINFO(0x10000,16),
1125                 }
1126         }, {
1127                 .mfr_id         = MANUFACTURER_MACRONIX,
1128                 .dev_id         = MX29LV040C,
1129                 .name           = "Macronix MX29LV040C",
1130                 .devtypes       = CFI_DEVICETYPE_X8,
1131                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1132                 .dev_size       = SIZE_512KiB,
1133                 .cmd_set        = P_ID_AMD_STD,
1134                 .nr_regions     = 1,
1135                 .regions        = {
1136                         ERASEINFO(0x10000,8),
1137                 }
1138         }, {
1139                 .mfr_id         = MANUFACTURER_MACRONIX,
1140                 .dev_id         = MX29LV160T,
1141                 .name           = "MXIC MX29LV160T",
1142                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1143                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1144                 .dev_size       = SIZE_2MiB,
1145                 .cmd_set        = P_ID_AMD_STD,
1146                 .nr_regions     = 4,
1147                 .regions        = {
1148                         ERASEINFO(0x10000,31),
1149                         ERASEINFO(0x08000,1),
1150                         ERASEINFO(0x02000,2),
1151                         ERASEINFO(0x04000,1)
1152                 }
1153         }, {
1154                 .mfr_id         = MANUFACTURER_NEC,
1155                 .dev_id         = UPD29F064115,
1156                 .name           = "NEC uPD29F064115",
1157                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1158                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1159                 .dev_size       = SIZE_8MiB,
1160                 .cmd_set        = P_ID_AMD_STD,
1161                 .nr_regions     = 3,
1162                 .regions        = {
1163                         ERASEINFO(0x2000,8),
1164                         ERASEINFO(0x10000,126),
1165                         ERASEINFO(0x2000,8),
1166                 }
1167         }, {
1168                 .mfr_id         = MANUFACTURER_MACRONIX,
1169                 .dev_id         = MX29LV160B,
1170                 .name           = "MXIC MX29LV160B",
1171                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1172                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1173                 .dev_size       = SIZE_2MiB,
1174                 .cmd_set        = P_ID_AMD_STD,
1175                 .nr_regions     = 4,
1176                 .regions        = {
1177                         ERASEINFO(0x04000,1),
1178                         ERASEINFO(0x02000,2),
1179                         ERASEINFO(0x08000,1),
1180                         ERASEINFO(0x10000,31)
1181                 }
1182         }, {
1183                 .mfr_id         = MANUFACTURER_MACRONIX,
1184                 .dev_id         = MX29F040,
1185                 .name           = "Macronix MX29F040",
1186                 .devtypes       = CFI_DEVICETYPE_X8,
1187                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1188                 .dev_size       = SIZE_512KiB,
1189                 .cmd_set        = P_ID_AMD_STD,
1190                 .nr_regions     = 1,
1191                 .regions        = {
1192                         ERASEINFO(0x10000,8),
1193                 }
1194         }, {
1195                 .mfr_id         = MANUFACTURER_MACRONIX,
1196                 .dev_id         = MX29F016,
1197                 .name           = "Macronix MX29F016",
1198                 .devtypes       = CFI_DEVICETYPE_X8,
1199                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1200                 .dev_size       = SIZE_2MiB,
1201                 .cmd_set        = P_ID_AMD_STD,
1202                 .nr_regions     = 1,
1203                 .regions        = {
1204                         ERASEINFO(0x10000,32),
1205                 }
1206         }, {
1207                 .mfr_id         = MANUFACTURER_MACRONIX,
1208                 .dev_id         = MX29F004T,
1209                 .name           = "Macronix MX29F004T",
1210                 .devtypes       = CFI_DEVICETYPE_X8,
1211                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1212                 .dev_size       = SIZE_512KiB,
1213                 .cmd_set        = P_ID_AMD_STD,
1214                 .nr_regions     = 4,
1215                 .regions        = {
1216                         ERASEINFO(0x10000,7),
1217                         ERASEINFO(0x08000,1),
1218                         ERASEINFO(0x02000,2),
1219                         ERASEINFO(0x04000,1),
1220                 }
1221         }, {
1222                 .mfr_id         = MANUFACTURER_MACRONIX,
1223                 .dev_id         = MX29F004B,
1224                 .name           = "Macronix MX29F004B",
1225                 .devtypes       = CFI_DEVICETYPE_X8,
1226                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1227                 .dev_size       = SIZE_512KiB,
1228                 .cmd_set        = P_ID_AMD_STD,
1229                 .nr_regions     = 4,
1230                 .regions        = {
1231                         ERASEINFO(0x04000,1),
1232                         ERASEINFO(0x02000,2),
1233                         ERASEINFO(0x08000,1),
1234                         ERASEINFO(0x10000,7),
1235                 }
1236         }, {
1237                 .mfr_id         = MANUFACTURER_MACRONIX,
1238                 .dev_id         = MX29F002T,
1239                 .name           = "Macronix MX29F002T",
1240                 .devtypes       = CFI_DEVICETYPE_X8,
1241                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1242                 .dev_size       = SIZE_256KiB,
1243                 .cmd_set        = P_ID_AMD_STD,
1244                 .nr_regions     = 4,
1245                 .regions        = {
1246                         ERASEINFO(0x10000,3),
1247                         ERASEINFO(0x08000,1),
1248                         ERASEINFO(0x02000,2),
1249                         ERASEINFO(0x04000,1),
1250                 }
1251         }, {
1252                 .mfr_id         = MANUFACTURER_PMC,
1253                 .dev_id         = PM49FL002,
1254                 .name           = "PMC Pm49FL002",
1255                 .devtypes       = CFI_DEVICETYPE_X8,
1256                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1257                 .dev_size       = SIZE_256KiB,
1258                 .cmd_set        = P_ID_AMD_STD,
1259                 .nr_regions     = 1,
1260                 .regions        = {
1261                         ERASEINFO( 0x01000, 64 )
1262                 }
1263         }, {
1264                 .mfr_id         = MANUFACTURER_PMC,
1265                 .dev_id         = PM49FL004,
1266                 .name           = "PMC Pm49FL004",
1267                 .devtypes       = CFI_DEVICETYPE_X8,
1268                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1269                 .dev_size       = SIZE_512KiB,
1270                 .cmd_set        = P_ID_AMD_STD,
1271                 .nr_regions     = 1,
1272                 .regions        = {
1273                         ERASEINFO( 0x01000, 128 )
1274                 }
1275         }, {
1276                 .mfr_id         = MANUFACTURER_PMC,
1277                 .dev_id         = PM49FL008,
1278                 .name           = "PMC Pm49FL008",
1279                 .devtypes       = CFI_DEVICETYPE_X8,
1280                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1281                 .dev_size       = SIZE_1MiB,
1282                 .cmd_set        = P_ID_AMD_STD,
1283                 .nr_regions     = 1,
1284                 .regions        = {
1285                         ERASEINFO( 0x01000, 256 )
1286                 }
1287         }, {
1288                 .mfr_id         = MANUFACTURER_SHARP,
1289                 .dev_id         = LH28F640BF,
1290                 .name           = "LH28F640BF",
1291                 .devtypes       = CFI_DEVICETYPE_X8,
1292                 .uaddr          = MTD_UADDR_UNNECESSARY,
1293                 .dev_size       = SIZE_4MiB,
1294                 .cmd_set        = P_ID_INTEL_STD,
1295                 .nr_regions     = 1,
1296                 .regions        = {
1297                         ERASEINFO(0x40000,16),
1298                 }
1299         }, {
1300                 .mfr_id         = MANUFACTURER_SST,
1301                 .dev_id         = SST39LF512,
1302                 .name           = "SST 39LF512",
1303                 .devtypes       = CFI_DEVICETYPE_X8,
1304                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1305                 .dev_size       = SIZE_64KiB,
1306                 .cmd_set        = P_ID_AMD_STD,
1307                 .nr_regions     = 1,
1308                 .regions        = {
1309                         ERASEINFO(0x01000,16),
1310                 }
1311         }, {
1312                 .mfr_id         = MANUFACTURER_SST,
1313                 .dev_id         = SST39LF010,
1314                 .name           = "SST 39LF010",
1315                 .devtypes       = CFI_DEVICETYPE_X8,
1316                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1317                 .dev_size       = SIZE_128KiB,
1318                 .cmd_set        = P_ID_AMD_STD,
1319                 .nr_regions     = 1,
1320                 .regions        = {
1321                         ERASEINFO(0x01000,32),
1322                 }
1323         }, {
1324                 .mfr_id         = MANUFACTURER_SST,
1325                 .dev_id         = SST29EE020,
1326                 .name           = "SST 29EE020",
1327                 .devtypes       = CFI_DEVICETYPE_X8,
1328                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1329                 .dev_size       = SIZE_256KiB,
1330                 .cmd_set        = P_ID_SST_PAGE,
1331                 .nr_regions     = 1,
1332                 .regions = {ERASEINFO(0x01000,64),
1333                 }
1334         }, {
1335                 .mfr_id         = MANUFACTURER_SST,
1336                 .dev_id         = SST29LE020,
1337                 .name           = "SST 29LE020",
1338                 .devtypes       = CFI_DEVICETYPE_X8,
1339                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1340                 .dev_size       = SIZE_256KiB,
1341                 .cmd_set        = P_ID_SST_PAGE,
1342                 .nr_regions     = 1,
1343                 .regions = {ERASEINFO(0x01000,64),
1344                 }
1345         }, {
1346                 .mfr_id         = MANUFACTURER_SST,
1347                 .dev_id         = SST39LF020,
1348                 .name           = "SST 39LF020",
1349                 .devtypes       = CFI_DEVICETYPE_X8,
1350                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1351                 .dev_size       = SIZE_256KiB,
1352                 .cmd_set        = P_ID_AMD_STD,
1353                 .nr_regions     = 1,
1354                 .regions        = {
1355                         ERASEINFO(0x01000,64),
1356                 }
1357         }, {
1358                 .mfr_id         = MANUFACTURER_SST,
1359                 .dev_id         = SST39LF040,
1360                 .name           = "SST 39LF040",
1361                 .devtypes       = CFI_DEVICETYPE_X8,
1362                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1363                 .dev_size       = SIZE_512KiB,
1364                 .cmd_set        = P_ID_AMD_STD,
1365                 .nr_regions     = 1,
1366                 .regions        = {
1367                         ERASEINFO(0x01000,128),
1368                 }
1369         }, {
1370                 .mfr_id         = MANUFACTURER_SST,
1371                 .dev_id         = SST39SF010A,
1372                 .name           = "SST 39SF010A",
1373                 .devtypes       = CFI_DEVICETYPE_X8,
1374                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1375                 .dev_size       = SIZE_128KiB,
1376                 .cmd_set        = P_ID_AMD_STD,
1377                 .nr_regions     = 1,
1378                 .regions        = {
1379                         ERASEINFO(0x01000,32),
1380                 }
1381         }, {
1382                 .mfr_id         = MANUFACTURER_SST,
1383                 .dev_id         = SST39SF020A,
1384                 .name           = "SST 39SF020A",
1385                 .devtypes       = CFI_DEVICETYPE_X8,
1386                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1387                 .dev_size       = SIZE_256KiB,
1388                 .cmd_set        = P_ID_AMD_STD,
1389                 .nr_regions     = 1,
1390                 .regions        = {
1391                         ERASEINFO(0x01000,64),
1392                 }
1393         }, {
1394                 .mfr_id         = MANUFACTURER_SST,
1395                 .dev_id         = SST49LF040B,
1396                 .name           = "SST 49LF040B",
1397                 .devtypes       = CFI_DEVICETYPE_X8,
1398                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1399                 .dev_size       = SIZE_512KiB,
1400                 .cmd_set        = P_ID_AMD_STD,
1401                 .nr_regions     = 1,
1402                 .regions        = {
1403                         ERASEINFO(0x01000,128),
1404                 }
1405         }, {
1406
1407                 .mfr_id         = MANUFACTURER_SST,
1408                 .dev_id         = SST49LF004B,
1409                 .name           = "SST 49LF004B",
1410                 .devtypes       = CFI_DEVICETYPE_X8,
1411                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1412                 .dev_size       = SIZE_512KiB,
1413                 .cmd_set        = P_ID_AMD_STD,
1414                 .nr_regions     = 1,
1415                 .regions        = {
1416                         ERASEINFO(0x01000,128),
1417                 }
1418         }, {
1419                 .mfr_id         = MANUFACTURER_SST,
1420                 .dev_id         = SST49LF008A,
1421                 .name           = "SST 49LF008A",
1422                 .devtypes       = CFI_DEVICETYPE_X8,
1423                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1424                 .dev_size       = SIZE_1MiB,
1425                 .cmd_set        = P_ID_AMD_STD,
1426                 .nr_regions     = 1,
1427                 .regions        = {
1428                         ERASEINFO(0x01000,256),
1429                 }
1430         }, {
1431                 .mfr_id         = MANUFACTURER_SST,
1432                 .dev_id         = SST49LF030A,
1433                 .name           = "SST 49LF030A",
1434                 .devtypes       = CFI_DEVICETYPE_X8,
1435                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1436                 .dev_size       = SIZE_512KiB,
1437                 .cmd_set        = P_ID_AMD_STD,
1438                 .nr_regions     = 1,
1439                 .regions        = {
1440                         ERASEINFO(0x01000,96),
1441                 }
1442         }, {
1443                 .mfr_id         = MANUFACTURER_SST,
1444                 .dev_id         = SST49LF040A,
1445                 .name           = "SST 49LF040A",
1446                 .devtypes       = CFI_DEVICETYPE_X8,
1447                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1448                 .dev_size       = SIZE_512KiB,
1449                 .cmd_set        = P_ID_AMD_STD,
1450                 .nr_regions     = 1,
1451                 .regions        = {
1452                         ERASEINFO(0x01000,128),
1453                 }
1454         }, {
1455                 .mfr_id         = MANUFACTURER_SST,
1456                 .dev_id         = SST49LF080A,
1457                 .name           = "SST 49LF080A",
1458                 .devtypes       = CFI_DEVICETYPE_X8,
1459                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1460                 .dev_size       = SIZE_1MiB,
1461                 .cmd_set        = P_ID_AMD_STD,
1462                 .nr_regions     = 1,
1463                 .regions        = {
1464                         ERASEINFO(0x01000,256),
1465                 }
1466         }, {
1467                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1468                 .dev_id         = SST39LF160,
1469                 .name           = "SST 39LF160",
1470                 .devtypes       = CFI_DEVICETYPE_X16,
1471                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1472                 .dev_size       = SIZE_2MiB,
1473                 .cmd_set        = P_ID_AMD_STD,
1474                 .nr_regions     = 2,
1475                 .regions        = {
1476                         ERASEINFO(0x1000,256),
1477                         ERASEINFO(0x1000,256)
1478                 }
1479         }, {
1480                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1481                 .dev_id         = SST39VF1601,
1482                 .name           = "SST 39VF1601",
1483                 .devtypes       = CFI_DEVICETYPE_X16,
1484                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1485                 .dev_size       = SIZE_2MiB,
1486                 .cmd_set        = P_ID_AMD_STD,
1487                 .nr_regions     = 2,
1488                 .regions        = {
1489                         ERASEINFO(0x1000,256),
1490                         ERASEINFO(0x1000,256)
1491                 }
1492         }, {
1493                 .mfr_id         = MANUFACTURER_SST,
1494                 .dev_id         = SST36VF3203,
1495                 .name           = "SST 36VF3203",
1496                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1497                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1498                 .dev_size       = SIZE_4MiB,
1499                 .cmd_set        = P_ID_AMD_STD,
1500                 .nr_regions     = 1,
1501                 .regions        = {
1502                         ERASEINFO(0x10000,64),
1503                 }
1504         }, {
1505                 .mfr_id         = MANUFACTURER_ST,
1506                 .dev_id         = M29F800AB,
1507                 .name           = "ST M29F800AB",
1508                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1509                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1510                 .dev_size       = SIZE_1MiB,
1511                 .cmd_set        = P_ID_AMD_STD,
1512                 .nr_regions     = 4,
1513                 .regions        = {
1514                         ERASEINFO(0x04000,1),
1515                         ERASEINFO(0x02000,2),
1516                         ERASEINFO(0x08000,1),
1517                         ERASEINFO(0x10000,15),
1518                 }
1519         }, {
1520                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1521                 .dev_id         = M29W800DT,
1522                 .name           = "ST M29W800DT",
1523                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1524                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1525                 .dev_size       = SIZE_1MiB,
1526                 .cmd_set        = P_ID_AMD_STD,
1527                 .nr_regions     = 4,
1528                 .regions        = {
1529                         ERASEINFO(0x10000,15),
1530                         ERASEINFO(0x08000,1),
1531                         ERASEINFO(0x02000,2),
1532                         ERASEINFO(0x04000,1)
1533                 }
1534         }, {
1535                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1536                 .dev_id         = M29W800DB,
1537                 .name           = "ST M29W800DB",
1538                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1539                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1540                 .dev_size       = SIZE_1MiB,
1541                 .cmd_set        = P_ID_AMD_STD,
1542                 .nr_regions     = 4,
1543                 .regions        = {
1544                         ERASEINFO(0x04000,1),
1545                         ERASEINFO(0x02000,2),
1546                         ERASEINFO(0x08000,1),
1547                         ERASEINFO(0x10000,15)
1548                 }
1549         },  {
1550                 .mfr_id         = MANUFACTURER_ST,
1551                 .dev_id         = M29W400DT,
1552                 .name           = "ST M29W400DT",
1553                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1554                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1555                 .dev_size       = SIZE_512KiB,
1556                 .cmd_set        = P_ID_AMD_STD,
1557                 .nr_regions     = 4,
1558                 .regions        = {
1559                         ERASEINFO(0x04000,7),
1560                         ERASEINFO(0x02000,1),
1561                         ERASEINFO(0x08000,2),
1562                         ERASEINFO(0x10000,1)
1563                 }
1564         }, {
1565                 .mfr_id         = MANUFACTURER_ST,
1566                 .dev_id         = M29W400DB,
1567                 .name           = "ST M29W400DB",
1568                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1569                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1570                 .dev_size       = SIZE_512KiB,
1571                 .cmd_set        = P_ID_AMD_STD,
1572                 .nr_regions     = 4,
1573                 .regions        = {
1574                         ERASEINFO(0x04000,1),
1575                         ERASEINFO(0x02000,2),
1576                         ERASEINFO(0x08000,1),
1577                         ERASEINFO(0x10000,7)
1578                 }
1579         }, {
1580                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1581                 .dev_id         = M29W160DT,
1582                 .name           = "ST M29W160DT",
1583                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1584                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1585                 .dev_size       = SIZE_2MiB,
1586                 .cmd_set        = P_ID_AMD_STD,
1587                 .nr_regions     = 4,
1588                 .regions        = {
1589                         ERASEINFO(0x10000,31),
1590                         ERASEINFO(0x08000,1),
1591                         ERASEINFO(0x02000,2),
1592                         ERASEINFO(0x04000,1)
1593                 }
1594         }, {
1595                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1596                 .dev_id         = M29W160DB,
1597                 .name           = "ST M29W160DB",
1598                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1599                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1600                 .dev_size       = SIZE_2MiB,
1601                 .cmd_set        = P_ID_AMD_STD,
1602                 .nr_regions     = 4,
1603                 .regions        = {
1604                         ERASEINFO(0x04000,1),
1605                         ERASEINFO(0x02000,2),
1606                         ERASEINFO(0x08000,1),
1607                         ERASEINFO(0x10000,31)
1608                 }
1609         }, {
1610                 .mfr_id         = MANUFACTURER_ST,
1611                 .dev_id         = M29W040B,
1612                 .name           = "ST M29W040B",
1613                 .devtypes       = CFI_DEVICETYPE_X8,
1614                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1615                 .dev_size       = SIZE_512KiB,
1616                 .cmd_set        = P_ID_AMD_STD,
1617                 .nr_regions     = 1,
1618                 .regions        = {
1619                         ERASEINFO(0x10000,8),
1620                 }
1621         }, {
1622                 .mfr_id         = MANUFACTURER_ST,
1623                 .dev_id         = M50FW040,
1624                 .name           = "ST M50FW040",
1625                 .devtypes       = CFI_DEVICETYPE_X8,
1626                 .uaddr          = MTD_UADDR_UNNECESSARY,
1627                 .dev_size       = SIZE_512KiB,
1628                 .cmd_set        = P_ID_INTEL_EXT,
1629                 .nr_regions     = 1,
1630                 .regions        = {
1631                         ERASEINFO(0x10000,8),
1632                 }
1633         }, {
1634                 .mfr_id         = MANUFACTURER_ST,
1635                 .dev_id         = M50FW080,
1636                 .name           = "ST M50FW080",
1637                 .devtypes       = CFI_DEVICETYPE_X8,
1638                 .uaddr          = MTD_UADDR_UNNECESSARY,
1639                 .dev_size       = SIZE_1MiB,
1640                 .cmd_set        = P_ID_INTEL_EXT,
1641                 .nr_regions     = 1,
1642                 .regions        = {
1643                         ERASEINFO(0x10000,16),
1644                 }
1645         }, {
1646                 .mfr_id         = MANUFACTURER_ST,
1647                 .dev_id         = M50FW016,
1648                 .name           = "ST M50FW016",
1649                 .devtypes       = CFI_DEVICETYPE_X8,
1650                 .uaddr          = MTD_UADDR_UNNECESSARY,
1651                 .dev_size       = SIZE_2MiB,
1652                 .cmd_set        = P_ID_INTEL_EXT,
1653                 .nr_regions     = 1,
1654                 .regions        = {
1655                         ERASEINFO(0x10000,32),
1656                 }
1657         }, {
1658                 .mfr_id         = MANUFACTURER_ST,
1659                 .dev_id         = M50LPW080,
1660                 .name           = "ST M50LPW080",
1661                 .devtypes       = CFI_DEVICETYPE_X8,
1662                 .uaddr          = MTD_UADDR_UNNECESSARY,
1663                 .dev_size       = SIZE_1MiB,
1664                 .cmd_set        = P_ID_INTEL_EXT,
1665                 .nr_regions     = 1,
1666                 .regions        = {
1667                         ERASEINFO(0x10000,16),
1668                 },
1669         }, {
1670                 .mfr_id         = MANUFACTURER_ST,
1671                 .dev_id         = M50FLW080A,
1672                 .name           = "ST M50FLW080A",
1673                 .devtypes       = CFI_DEVICETYPE_X8,
1674                 .uaddr          = MTD_UADDR_UNNECESSARY,
1675                 .dev_size       = SIZE_1MiB,
1676                 .cmd_set        = P_ID_INTEL_EXT,
1677                 .nr_regions     = 4,
1678                 .regions        = {
1679                         ERASEINFO(0x1000,16),
1680                         ERASEINFO(0x10000,13),
1681                         ERASEINFO(0x1000,16),
1682                         ERASEINFO(0x1000,16),
1683                 }
1684         }, {
1685                 .mfr_id         = MANUFACTURER_ST,
1686                 .dev_id         = M50FLW080B,
1687                 .name           = "ST M50FLW080B",
1688                 .devtypes       = CFI_DEVICETYPE_X8,
1689                 .uaddr          = MTD_UADDR_UNNECESSARY,
1690                 .dev_size       = SIZE_1MiB,
1691                 .cmd_set        = P_ID_INTEL_EXT,
1692                 .nr_regions     = 4,
1693                 .regions        = {
1694                         ERASEINFO(0x1000,16),
1695                         ERASEINFO(0x1000,16),
1696                         ERASEINFO(0x10000,13),
1697                         ERASEINFO(0x1000,16),
1698                 }
1699         }, {
1700                 .mfr_id         = MANUFACTURER_TOSHIBA,
1701                 .dev_id         = TC58FVT160,
1702                 .name           = "Toshiba TC58FVT160",
1703                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1704                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1705                 .dev_size       = SIZE_2MiB,
1706                 .cmd_set        = P_ID_AMD_STD,
1707                 .nr_regions     = 4,
1708                 .regions        = {
1709                         ERASEINFO(0x10000,31),
1710                         ERASEINFO(0x08000,1),
1711                         ERASEINFO(0x02000,2),
1712                         ERASEINFO(0x04000,1)
1713                 }
1714         }, {
1715                 .mfr_id         = MANUFACTURER_TOSHIBA,
1716                 .dev_id         = TC58FVB160,
1717                 .name           = "Toshiba TC58FVB160",
1718                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1719                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1720                 .dev_size       = SIZE_2MiB,
1721                 .cmd_set        = P_ID_AMD_STD,
1722                 .nr_regions     = 4,
1723                 .regions        = {
1724                         ERASEINFO(0x04000,1),
1725                         ERASEINFO(0x02000,2),
1726                         ERASEINFO(0x08000,1),
1727                         ERASEINFO(0x10000,31)
1728                 }
1729         }, {
1730                 .mfr_id         = MANUFACTURER_TOSHIBA,
1731                 .dev_id         = TC58FVB321,
1732                 .name           = "Toshiba TC58FVB321",
1733                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1734                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1735                 .dev_size       = SIZE_4MiB,
1736                 .cmd_set        = P_ID_AMD_STD,
1737                 .nr_regions     = 2,
1738                 .regions        = {
1739                         ERASEINFO(0x02000,8),
1740                         ERASEINFO(0x10000,63)
1741                 }
1742         }, {
1743                 .mfr_id         = MANUFACTURER_TOSHIBA,
1744                 .dev_id         = TC58FVT321,
1745                 .name           = "Toshiba TC58FVT321",
1746                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1747                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1748                 .dev_size       = SIZE_4MiB,
1749                 .cmd_set        = P_ID_AMD_STD,
1750                 .nr_regions     = 2,
1751                 .regions        = {
1752                         ERASEINFO(0x10000,63),
1753                         ERASEINFO(0x02000,8)
1754                 }
1755         }, {
1756                 .mfr_id         = MANUFACTURER_TOSHIBA,
1757                 .dev_id         = TC58FVB641,
1758                 .name           = "Toshiba TC58FVB641",
1759                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1760                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1761                 .dev_size       = SIZE_8MiB,
1762                 .cmd_set        = P_ID_AMD_STD,
1763                 .nr_regions     = 2,
1764                 .regions        = {
1765                         ERASEINFO(0x02000,8),
1766                         ERASEINFO(0x10000,127)
1767                 }
1768         }, {
1769                 .mfr_id         = MANUFACTURER_TOSHIBA,
1770                 .dev_id         = TC58FVT641,
1771                 .name           = "Toshiba TC58FVT641",
1772                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1773                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1774                 .dev_size       = SIZE_8MiB,
1775                 .cmd_set        = P_ID_AMD_STD,
1776                 .nr_regions     = 2,
1777                 .regions        = {
1778                         ERASEINFO(0x10000,127),
1779                         ERASEINFO(0x02000,8)
1780                 }
1781         }, {
1782                 .mfr_id         = MANUFACTURER_WINBOND,
1783                 .dev_id         = W49V002A,
1784                 .name           = "Winbond W49V002A",
1785                 .devtypes       = CFI_DEVICETYPE_X8,
1786                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1787                 .dev_size       = SIZE_256KiB,
1788                 .cmd_set        = P_ID_AMD_STD,
1789                 .nr_regions     = 4,
1790                 .regions        = {
1791                         ERASEINFO(0x10000, 3),
1792                         ERASEINFO(0x08000, 1),
1793                         ERASEINFO(0x02000, 2),
1794                         ERASEINFO(0x04000, 1),
1795                 }
1796         }
1797 };
1798
1799 static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1800         struct cfi_private *cfi)
1801 {
1802         map_word result;
1803         unsigned long mask;
1804         int bank = 0;
1805
1806         /* According to JEDEC "Standard Manufacturer's Identification Code"
1807          * (http://www.jedec.org/download/search/jep106W.pdf)
1808          * several first banks can contain 0x7f instead of actual ID
1809          */
1810         do {
1811                 uint32_t ofs = cfi_build_cmd_addr(0 + (bank << 8),
1812                                                   cfi_interleave(cfi),
1813                                                   cfi->device_type);
1814                 mask = (1 << (cfi->device_type * 8)) - 1;
1815                 result = map_read(map, base + ofs);
1816                 bank++;
1817         } while ((result.x[0] & mask) == CONTINUATION_CODE);
1818
1819         return result.x[0] & mask;
1820 }
1821
1822 static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1823         struct cfi_private *cfi)
1824 {
1825         map_word result;
1826         unsigned long mask;
1827         u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type);
1828         mask = (1 << (cfi->device_type * 8)) -1;
1829         result = map_read(map, base + ofs);
1830         return result.x[0] & mask;
1831 }
1832
1833 static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi)
1834 {
1835         /* Reset */
1836
1837         /* after checking the datasheets for SST, MACRONIX and ATMEL
1838          * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1839          * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1840          * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1841          * as they will ignore the writes and dont care what address
1842          * the F0 is written to */
1843         if (cfi->addr_unlock1) {
1844                 DEBUG( MTD_DEBUG_LEVEL3,
1845                        "reset unlock called %x %x \n",
1846                        cfi->addr_unlock1,cfi->addr_unlock2);
1847                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1848                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1849         }
1850
1851         cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1852         /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1853          * so ensure we're in read mode.  Send both the Intel and the AMD command
1854          * for this.  Intel uses 0xff for this, AMD uses 0xff for NOP, so
1855          * this should be safe.
1856          */
1857         cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1858         /* FIXME - should have reset delay before continuing */
1859 }
1860
1861
1862 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1863 {
1864         int i,num_erase_regions;
1865         uint8_t uaddr;
1866
1867         if (! (jedec_table[index].devtypes & p_cfi->device_type)) {
1868                 DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n",
1869                       jedec_table[index].name, 4 * (1<<p_cfi->device_type));
1870                 return 0;
1871         }
1872
1873         printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1874
1875         num_erase_regions = jedec_table[index].nr_regions;
1876
1877         p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1878         if (!p_cfi->cfiq) {
1879                 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1880                 return 0;
1881         }
1882
1883         memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1884
1885         p_cfi->cfiq->P_ID = jedec_table[index].cmd_set;
1886         p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions;
1887         p_cfi->cfiq->DevSize = jedec_table[index].dev_size;
1888         p_cfi->cfi_mode = CFI_MODE_JEDEC;
1889
1890         for (i=0; i<num_erase_regions; i++){
1891                 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1892         }
1893         p_cfi->cmdset_priv = NULL;
1894
1895         /* This may be redundant for some cases, but it doesn't hurt */
1896         p_cfi->mfr = jedec_table[index].mfr_id;
1897         p_cfi->id = jedec_table[index].dev_id;
1898
1899         uaddr = jedec_table[index].uaddr;
1900
1901         /* The table has unlock addresses in _bytes_, and we try not to let
1902            our brains explode when we see the datasheets talking about address
1903            lines numbered from A-1 to A18. The CFI table has unlock addresses
1904            in device-words according to the mode the device is connected in */
1905         p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type;
1906         p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type;
1907
1908         return 1;       /* ok */
1909 }
1910
1911
1912 /*
1913  * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1914  * the mapped address, unlock addresses, and proper chip ID.  This function
1915  * attempts to minimize errors.  It is doubtfull that this probe will ever
1916  * be perfect - consequently there should be some module parameters that
1917  * could be manually specified to force the chip info.
1918  */
1919 static inline int jedec_match( uint32_t base,
1920                                struct map_info *map,
1921                                struct cfi_private *cfi,
1922                                const struct amd_flash_info *finfo )
1923 {
1924         int rc = 0;           /* failure until all tests pass */
1925         u32 mfr, id;
1926         uint8_t uaddr;
1927
1928         /*
1929          * The IDs must match.  For X16 and X32 devices operating in
1930          * a lower width ( X8 or X16 ), the device ID's are usually just
1931          * the lower byte(s) of the larger device ID for wider mode.  If
1932          * a part is found that doesn't fit this assumption (device id for
1933          * smaller width mode is completely unrealated to full-width mode)
1934          * then the jedec_table[] will have to be augmented with the IDs
1935          * for different widths.
1936          */
1937         switch (cfi->device_type) {
1938         case CFI_DEVICETYPE_X8:
1939                 mfr = (uint8_t)finfo->mfr_id;
1940                 id = (uint8_t)finfo->dev_id;
1941
1942                 /* bjd: it seems that if we do this, we can end up
1943                  * detecting 16bit flashes as an 8bit device, even though
1944                  * there aren't.
1945                  */
1946                 if (finfo->dev_id > 0xff) {
1947                         DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1948                                __func__);
1949                         goto match_done;
1950                 }
1951                 break;
1952         case CFI_DEVICETYPE_X16:
1953                 mfr = (uint16_t)finfo->mfr_id;
1954                 id = (uint16_t)finfo->dev_id;
1955                 break;
1956         case CFI_DEVICETYPE_X32:
1957                 mfr = (uint16_t)finfo->mfr_id;
1958                 id = (uint32_t)finfo->dev_id;
1959                 break;
1960         default:
1961                 printk(KERN_WARNING
1962                        "MTD %s(): Unsupported device type %d\n",
1963                        __func__, cfi->device_type);
1964                 goto match_done;
1965         }
1966         if ( cfi->mfr != mfr || cfi->id != id ) {
1967                 goto match_done;
1968         }
1969
1970         /* the part size must fit in the memory window */
1971         DEBUG( MTD_DEBUG_LEVEL3,
1972                "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1973                __func__, base, 1 << finfo->dev_size, base + (1 << finfo->dev_size) );
1974         if ( base + cfi_interleave(cfi) * ( 1 << finfo->dev_size ) > map->size ) {
1975                 DEBUG( MTD_DEBUG_LEVEL3,
1976                        "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1977                        __func__, finfo->mfr_id, finfo->dev_id,
1978                        1 << finfo->dev_size );
1979                 goto match_done;
1980         }
1981
1982         if (! (finfo->devtypes & cfi->device_type))
1983                 goto match_done;
1984
1985         uaddr = finfo->uaddr;
1986
1987         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
1988                __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
1989         if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
1990              && ( unlock_addrs[uaddr].addr1 / cfi->device_type != cfi->addr_unlock1 ||
1991                   unlock_addrs[uaddr].addr2 / cfi->device_type != cfi->addr_unlock2 ) ) {
1992                 DEBUG( MTD_DEBUG_LEVEL3,
1993                         "MTD %s(): 0x%.4x 0x%.4x did not match\n",
1994                         __func__,
1995                         unlock_addrs[uaddr].addr1,
1996                         unlock_addrs[uaddr].addr2);
1997                 goto match_done;
1998         }
1999
2000         /*
2001          * Make sure the ID's dissappear when the device is taken out of
2002          * ID mode.  The only time this should fail when it should succeed
2003          * is when the ID's are written as data to the same
2004          * addresses.  For this rare and unfortunate case the chip
2005          * cannot be probed correctly.
2006          * FIXME - write a driver that takes all of the chip info as
2007          * module parameters, doesn't probe but forces a load.
2008          */
2009         DEBUG( MTD_DEBUG_LEVEL3,
2010                "MTD %s(): check ID's disappear when not in ID mode\n",
2011                __func__ );
2012         jedec_reset( base, map, cfi );
2013         mfr = jedec_read_mfr( map, base, cfi );
2014         id = jedec_read_id( map, base, cfi );
2015         if ( mfr == cfi->mfr && id == cfi->id ) {
2016                 DEBUG( MTD_DEBUG_LEVEL3,
2017                        "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
2018                        "You might need to manually specify JEDEC parameters.\n",
2019                         __func__, cfi->mfr, cfi->id );
2020                 goto match_done;
2021         }
2022
2023         /* all tests passed - mark  as success */
2024         rc = 1;
2025
2026         /*
2027          * Put the device back in ID mode - only need to do this if we
2028          * were truly frobbing a real device.
2029          */
2030         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
2031         if (cfi->addr_unlock1) {
2032                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2033                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2034         }
2035         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2036         /* FIXME - should have a delay before continuing */
2037
2038  match_done:
2039         return rc;
2040 }
2041
2042
2043 static int jedec_probe_chip(struct map_info *map, __u32 base,
2044                             unsigned long *chip_map, struct cfi_private *cfi)
2045 {
2046         int i;
2047         enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
2048         u32 probe_offset1, probe_offset2;
2049
2050  retry:
2051         if (!cfi->numchips) {
2052                 uaddr_idx++;
2053
2054                 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2055                         return 0;
2056
2057                 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1 / cfi->device_type;
2058                 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2 / cfi->device_type;
2059         }
2060
2061         /* Make certain we aren't probing past the end of map */
2062         if (base >= map->size) {
2063                 printk(KERN_NOTICE
2064                         "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2065                         base, map->size -1);
2066                 return 0;
2067
2068         }
2069         /* Ensure the unlock addresses we try stay inside the map */
2070         probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, cfi_interleave(cfi), cfi->device_type);
2071         probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, cfi_interleave(cfi), cfi->device_type);
2072         if (    ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2073                 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2074                 goto retry;
2075
2076         /* Reset */
2077         jedec_reset(base, map, cfi);
2078
2079         /* Autoselect Mode */
2080         if(cfi->addr_unlock1) {
2081                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2082                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2083         }
2084         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2085         /* FIXME - should have a delay before continuing */
2086
2087         if (!cfi->numchips) {
2088                 /* This is the first time we're called. Set up the CFI
2089                    stuff accordingly and return */
2090
2091                 cfi->mfr = jedec_read_mfr(map, base, cfi);
2092                 cfi->id = jedec_read_id(map, base, cfi);
2093                 DEBUG(MTD_DEBUG_LEVEL3,
2094                       "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2095                         cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2096                 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
2097                         if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
2098                                 DEBUG( MTD_DEBUG_LEVEL3,
2099                                        "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2100                                        __func__, cfi->mfr, cfi->id,
2101                                        cfi->addr_unlock1, cfi->addr_unlock2 );
2102                                 if (!cfi_jedec_setup(cfi, i))
2103                                         return 0;
2104                                 goto ok_out;
2105                         }
2106                 }
2107                 goto retry;
2108         } else {
2109                 uint16_t mfr;
2110                 uint16_t id;
2111
2112                 /* Make sure it is a chip of the same manufacturer and id */
2113                 mfr = jedec_read_mfr(map, base, cfi);
2114                 id = jedec_read_id(map, base, cfi);
2115
2116                 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2117                         printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2118                                map->name, mfr, id, base);
2119                         jedec_reset(base, map, cfi);
2120                         return 0;
2121                 }
2122         }
2123
2124         /* Check each previous chip locations to see if it's an alias */
2125         for (i=0; i < (base >> cfi->chipshift); i++) {
2126                 unsigned long start;
2127                 if(!test_bit(i, chip_map)) {
2128                         continue; /* Skip location; no valid chip at this address */
2129                 }
2130                 start = i << cfi->chipshift;
2131                 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2132                     jedec_read_id(map, start, cfi) == cfi->id) {
2133                         /* Eep. This chip also looks like it's in autoselect mode.
2134                            Is it an alias for the new one? */
2135                         jedec_reset(start, map, cfi);
2136
2137                         /* If the device IDs go away, it's an alias */
2138                         if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2139                             jedec_read_id(map, base, cfi) != cfi->id) {
2140                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2141                                        map->name, base, start);
2142                                 return 0;
2143                         }
2144
2145                         /* Yes, it's actually got the device IDs as data. Most
2146                          * unfortunate. Stick the new chip in read mode
2147                          * too and if it's the same, assume it's an alias. */
2148                         /* FIXME: Use other modes to do a proper check */
2149                         jedec_reset(base, map, cfi);
2150                         if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2151                             jedec_read_id(map, base, cfi) == cfi->id) {
2152                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2153                                        map->name, base, start);
2154                                 return 0;
2155                         }
2156                 }
2157         }
2158
2159         /* OK, if we got to here, then none of the previous chips appear to
2160            be aliases for the current one. */
2161         set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2162         cfi->numchips++;
2163
2164 ok_out:
2165         /* Put it back into Read Mode */
2166         jedec_reset(base, map, cfi);
2167
2168         printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2169                map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2170                map->bankwidth*8);
2171
2172         return 1;
2173 }
2174
2175 static struct chip_probe jedec_chip_probe = {
2176         .name = "JEDEC",
2177         .probe_chip = jedec_probe_chip
2178 };
2179
2180 static struct mtd_info *jedec_probe(struct map_info *map)
2181 {
2182         /*
2183          * Just use the generic probe stuff to call our CFI-specific
2184          * chip_probe routine in all the possible permutations, etc.
2185          */
2186         return mtd_do_chip_probe(map, &jedec_chip_probe);
2187 }
2188
2189 static struct mtd_chip_driver jedec_chipdrv = {
2190         .probe  = jedec_probe,
2191         .name   = "jedec_probe",
2192         .module = THIS_MODULE
2193 };
2194
2195 static int __init jedec_probe_init(void)
2196 {
2197         register_mtd_chip_driver(&jedec_chipdrv);
2198         return 0;
2199 }
2200
2201 static void __exit jedec_probe_exit(void)
2202 {
2203         unregister_mtd_chip_driver(&jedec_chipdrv);
2204 }
2205
2206 module_init(jedec_probe_init);
2207 module_exit(jedec_probe_exit);
2208
2209 MODULE_LICENSE("GPL");
2210 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2211 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");