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 I28F640C3B      0x88CD
 115 #define I28F160F3T      0x88F3
 116 #define I28F160F3B      0x88F4
 117 #define I28F160C3T      0x88C2
 118 #define I28F160C3B      0x88C3
 119 #define I82802AB        0x00ad
 120 #define I82802AC        0x00ac
 121
 122 /* Macronix */
 123 #define MX29LV040C      0x004F
 124 #define MX29LV160T      0x22C4
 125 #define MX29LV160B      0x2249
 126 #define MX29F040        0x00A4
 127 #define MX29F016        0x00AD
 128 #define MX29F002T       0x00B0
 129 #define MX29F004T       0x0045
 130 #define MX29F004B       0x0046
 131
 132 /* NEC */
 133 #define UPD29F064115    0x221C
 134
 135 /* PMC */
 136 #define PM49FL002       0x006D
 137 #define PM49FL004       0x006E
 138 #define PM49FL008       0x006A
 139
 140 /* Sharp */
 141 #define LH28F640BF      0x00b0
 142
 143 /* ST - www.st.com */
 144 #define M29F800AB       0x0058
 145 #define M29W800DT       0x22D7
 146 #define M29W800DB       0x225B
 147 #define M29W400DT       0x00EE
 148 #define M29W400DB       0x00EF
 149 #define M29W160DT       0x22C4
 150 #define M29W160DB       0x2249
 151 #define M29W040B        0x00E3
 152 #define M50FW040        0x002C
 153 #define M50FW080        0x002D
 154 #define M50FW016        0x002E
 155 #define M50LPW080       0x002F
 156 #define M50FLW080A      0x0080
 157 #define M50FLW080B      0x0081
 158 #define PSD4256G6V      0x00e9
 159
 160 /* SST */
 161 #define SST29EE020      0x0010
 162 #define SST29LE020      0x0012
 163 #define SST29EE512      0x005d
 164 #define SST29LE512      0x003d
 165 #define SST39LF800      0x2781
 166 #define SST39LF160      0x2782
 167 #define SST39VF1601     0x234b
 168 #define SST39VF3201     0x235b
 169 #define SST39LF512      0x00D4
 170 #define SST39LF010      0x00D5
 171 #define SST39LF020      0x00D6
 172 #define SST39LF040      0x00D7
 173 #define SST39SF010A     0x00B5
 174 #define SST39SF020A     0x00B6
 175 #define SST39SF040      0x00B7
 176 #define SST49LF004B     0x0060
 177 #define SST49LF040B     0x0050
 178 #define SST49LF008A     0x005a
 179 #define SST49LF030A     0x001C
 180 #define SST49LF040A     0x0051
 181 #define SST49LF080A     0x005B
 182 #define SST36VF3203     0x7354
 183
 184 /* Toshiba */
 185 #define TC58FVT160      0x00C2
 186 #define TC58FVB160      0x0043
 187 #define TC58FVT321      0x009A
 188 #define TC58FVB321      0x009C
 189 #define TC58FVT641      0x0093
 190 #define TC58FVB641      0x0095
 191
 192 /* Winbond */
 193 #define W49V002A        0x00b0
 194
 195
 196 /*
 197  * Unlock address sets for AMD command sets.
 198  * Intel command sets use the MTD_UADDR_UNNECESSARY.
 199  * Each identifier, except MTD_UADDR_UNNECESSARY, and
 200  * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
 201  * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
 202  * initialization need not require initializing all of the
 203  * unlock addresses for all bit widths.
 204  */
 205 enum uaddr {
 206         MTD_UADDR_NOT_SUPPORTED = 0,    /* data width not supported */
 207         MTD_UADDR_0x0555_0x02AA,
 208         MTD_UADDR_0x0555_0x0AAA,
 209         MTD_UADDR_0x5555_0x2AAA,
 210         MTD_UADDR_0x0AAA_0x0554,
 211         MTD_UADDR_0x0AAA_0x0555,
 212         MTD_UADDR_0xAAAA_0x5555,
 213         MTD_UADDR_DONT_CARE,            /* Requires an arbitrary address */
 214         MTD_UADDR_UNNECESSARY,          /* Does not require any address */
 215 };
 216
 217
 218 struct unlock_addr {
 219         uint32_t addr1;
 220         uint32_t addr2;
 221 };
 222
 223
 224 /*
 225  * I don't like the fact that the first entry in unlock_addrs[]
 226  * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
 227  * should not be used.  The  problem is that structures with
 228  * initializers have extra fields initialized to 0.  It is _very_
 229  * desirable to have the unlock address entries for unsupported
 230  * data widths automatically initialized - that means that
 231  * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
 232  * must go unused.
 233  */
 234 static const struct unlock_addr  unlock_addrs[] = {
 235         [MTD_UADDR_NOT_SUPPORTED] = {
 236                 .addr1 = 0xffff,
 237                 .addr2 = 0xffff
 238         },
 239
 240         [MTD_UADDR_0x0555_0x02AA] = {
 241                 .addr1 = 0x0555,
 242                 .addr2 = 0x02aa
 243         },
 244
 245         [MTD_UADDR_0x0555_0x0AAA] = {
 246                 .addr1 = 0x0555,
 247                 .addr2 = 0x0aaa
 248         },
 249
 250         [MTD_UADDR_0x5555_0x2AAA] = {
 251                 .addr1 = 0x5555,
 252                 .addr2 = 0x2aaa
 253         },
 254
 255         [MTD_UADDR_0x0AAA_0x0554] = {
 256                 .addr1 = 0x0AAA,
 257                 .addr2 = 0x0554
 258         },
 259
 260         [MTD_UADDR_0x0AAA_0x0555] = {
 261                 .addr1 = 0x0AAA,
 262                 .addr2 = 0x0555
 263         },
 264
 265         [MTD_UADDR_0xAAAA_0x5555] = {
 266                 .addr1 = 0xaaaa,
 267                 .addr2 = 0x5555
 268         },
 269
 270         [MTD_UADDR_DONT_CARE] = {
 271                 .addr1 = 0x0000,      /* Doesn't matter which address */
 272                 .addr2 = 0x0000       /* is used - must be last entry */
 273         },
 274
 275         [MTD_UADDR_UNNECESSARY] = {
 276                 .addr1 = 0x0000,
 277                 .addr2 = 0x0000
 278         }
 279 };
 280
 281 struct amd_flash_info {
 282         const char *name;
 283         const uint16_t mfr_id;
 284         const uint16_t dev_id;
 285         const uint8_t dev_size;
 286         const uint8_t nr_regions;
 287         const uint16_t cmd_set;
 288         const uint32_t regions[6];
 289         const uint8_t devtypes;         /* Bitmask for x8, x16 etc. */
 290         const uint8_t uaddr;            /* unlock addrs for 8, 16, 32, 64 */
 291 };
 292
 293 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
 294
 295 #define SIZE_64KiB  16
 296 #define SIZE_128KiB 17
 297 #define SIZE_256KiB 18
 298 #define SIZE_512KiB 19
 299 #define SIZE_1MiB   20
 300 #define SIZE_2MiB   21
 301 #define SIZE_4MiB   22
 302 #define SIZE_8MiB   23
 303
 304
 305 /*
 306  * Please keep this list ordered by manufacturer!
 307  * Fortunately, the list isn't searched often and so a
 308  * slow, linear search isn't so bad.
 309  */
 310 static const struct amd_flash_info jedec_table[] = {
 311         {
 312                 .mfr_id         = MANUFACTURER_AMD,
 313                 .dev_id         = AM29F032B,
 314                 .name           = "AMD AM29F032B",
 315                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 316                 .devtypes       = CFI_DEVICETYPE_X8,
 317                 .dev_size       = SIZE_4MiB,
 318                 .cmd_set        = P_ID_AMD_STD,
 319                 .nr_regions     = 1,
 320                 .regions        = {
 321                         ERASEINFO(0x10000,64)
 322                 }
 323         }, {
 324                 .mfr_id         = MANUFACTURER_AMD,
 325                 .dev_id         = AM29LV160DT,
 326                 .name           = "AMD AM29LV160DT",
 327                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 328                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 329                 .dev_size       = SIZE_2MiB,
 330                 .cmd_set        = P_ID_AMD_STD,
 331                 .nr_regions     = 4,
 332                 .regions        = {
 333                         ERASEINFO(0x10000,31),
 334                         ERASEINFO(0x08000,1),
 335                         ERASEINFO(0x02000,2),
 336                         ERASEINFO(0x04000,1)
 337                 }
 338         }, {
 339                 .mfr_id         = MANUFACTURER_AMD,
 340                 .dev_id         = AM29LV160DB,
 341                 .name           = "AMD AM29LV160DB",
 342                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 343                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 344                 .dev_size       = SIZE_2MiB,
 345                 .cmd_set        = P_ID_AMD_STD,
 346                 .nr_regions     = 4,
 347                 .regions        = {
 348                         ERASEINFO(0x04000,1),
 349                         ERASEINFO(0x02000,2),
 350                         ERASEINFO(0x08000,1),
 351                         ERASEINFO(0x10000,31)
 352                 }
 353         }, {
 354                 .mfr_id         = MANUFACTURER_AMD,
 355                 .dev_id         = AM29LV400BB,
 356                 .name           = "AMD AM29LV400BB",
 357                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 358                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 359                 .dev_size       = SIZE_512KiB,
 360                 .cmd_set        = P_ID_AMD_STD,
 361                 .nr_regions     = 4,
 362                 .regions        = {
 363                         ERASEINFO(0x04000,1),
 364                         ERASEINFO(0x02000,2),
 365                         ERASEINFO(0x08000,1),
 366                         ERASEINFO(0x10000,7)
 367                 }
 368         }, {
 369                 .mfr_id         = MANUFACTURER_AMD,
 370                 .dev_id         = AM29LV400BT,
 371                 .name           = "AMD AM29LV400BT",
 372                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 373                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 374                 .dev_size       = SIZE_512KiB,
 375                 .cmd_set        = P_ID_AMD_STD,
 376                 .nr_regions     = 4,
 377                 .regions        = {
 378                         ERASEINFO(0x10000,7),
 379                         ERASEINFO(0x08000,1),
 380                         ERASEINFO(0x02000,2),
 381                         ERASEINFO(0x04000,1)
 382                 }
 383         }, {
 384                 .mfr_id         = MANUFACTURER_AMD,
 385                 .dev_id         = AM29LV800BB,
 386                 .name           = "AMD AM29LV800BB",
 387                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 388                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 389                 .dev_size       = SIZE_1MiB,
 390                 .cmd_set        = P_ID_AMD_STD,
 391                 .nr_regions     = 4,
 392                 .regions        = {
 393                         ERASEINFO(0x04000,1),
 394                         ERASEINFO(0x02000,2),
 395                         ERASEINFO(0x08000,1),
 396                         ERASEINFO(0x10000,15),
 397                 }
 398         }, {
 399 /* add DL */
 400                 .mfr_id         = MANUFACTURER_AMD,
 401                 .dev_id         = AM29DL800BB,
 402                 .name           = "AMD AM29DL800BB",
 403                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 404                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 405                 .dev_size       = SIZE_1MiB,
 406                 .cmd_set        = P_ID_AMD_STD,
 407                 .nr_regions     = 6,
 408                 .regions        = {
 409                         ERASEINFO(0x04000,1),
 410                         ERASEINFO(0x08000,1),
 411                         ERASEINFO(0x02000,4),
 412                         ERASEINFO(0x08000,1),
 413                         ERASEINFO(0x04000,1),
 414                         ERASEINFO(0x10000,14)
 415                 }
 416         }, {
 417                 .mfr_id         = MANUFACTURER_AMD,
 418                 .dev_id         = AM29DL800BT,
 419                 .name           = "AMD AM29DL800BT",
 420                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 421                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 422                 .dev_size       = SIZE_1MiB,
 423                 .cmd_set        = P_ID_AMD_STD,
 424                 .nr_regions     = 6,
 425                 .regions        = {
 426                         ERASEINFO(0x10000,14),
 427                         ERASEINFO(0x04000,1),
 428                         ERASEINFO(0x08000,1),
 429                         ERASEINFO(0x02000,4),
 430                         ERASEINFO(0x08000,1),
 431                         ERASEINFO(0x04000,1)
 432                 }
 433         }, {
 434                 .mfr_id         = MANUFACTURER_AMD,
 435                 .dev_id         = AM29F800BB,
 436                 .name           = "AMD AM29F800BB",
 437                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 438                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 439                 .dev_size       = SIZE_1MiB,
 440                 .cmd_set        = P_ID_AMD_STD,
 441                 .nr_regions     = 4,
 442                 .regions        = {
 443                         ERASEINFO(0x04000,1),
 444                         ERASEINFO(0x02000,2),
 445                         ERASEINFO(0x08000,1),
 446                         ERASEINFO(0x10000,15),
 447                 }
 448         }, {
 449                 .mfr_id         = MANUFACTURER_AMD,
 450                 .dev_id         = AM29LV800BT,
 451                 .name           = "AMD AM29LV800BT",
 452                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 453                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 454                 .dev_size       = SIZE_1MiB,
 455                 .cmd_set        = P_ID_AMD_STD,
 456                 .nr_regions     = 4,
 457                 .regions        = {
 458                         ERASEINFO(0x10000,15),
 459                         ERASEINFO(0x08000,1),
 460                         ERASEINFO(0x02000,2),
 461                         ERASEINFO(0x04000,1)
 462                 }
 463         }, {
 464                 .mfr_id         = MANUFACTURER_AMD,
 465                 .dev_id         = AM29F800BT,
 466                 .name           = "AMD AM29F800BT",
 467                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 468                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 469                 .dev_size       = SIZE_1MiB,
 470                 .cmd_set        = P_ID_AMD_STD,
 471                 .nr_regions     = 4,
 472                 .regions        = {
 473                         ERASEINFO(0x10000,15),
 474                         ERASEINFO(0x08000,1),
 475                         ERASEINFO(0x02000,2),
 476                         ERASEINFO(0x04000,1)
 477                 }
 478         }, {
 479                 .mfr_id         = MANUFACTURER_AMD,
 480                 .dev_id         = AM29F017D,
 481                 .name           = "AMD AM29F017D",
 482                 .devtypes       = CFI_DEVICETYPE_X8,
 483                 .uaddr          = MTD_UADDR_DONT_CARE,
 484                 .dev_size       = SIZE_2MiB,
 485                 .cmd_set        = P_ID_AMD_STD,
 486                 .nr_regions     = 1,
 487                 .regions        = {
 488                         ERASEINFO(0x10000,32),
 489                 }
 490         }, {
 491                 .mfr_id         = MANUFACTURER_AMD,
 492                 .dev_id         = AM29F016D,
 493                 .name           = "AMD AM29F016D",
 494                 .devtypes       = CFI_DEVICETYPE_X8,
 495                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 496                 .dev_size       = SIZE_2MiB,
 497                 .cmd_set        = P_ID_AMD_STD,
 498                 .nr_regions     = 1,
 499                 .regions        = {
 500                         ERASEINFO(0x10000,32),
 501                 }
 502         }, {
 503                 .mfr_id         = MANUFACTURER_AMD,
 504                 .dev_id         = AM29F080,
 505                 .name           = "AMD AM29F080",
 506                 .devtypes       = CFI_DEVICETYPE_X8,
 507                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 508                 .dev_size       = SIZE_1MiB,
 509                 .cmd_set        = P_ID_AMD_STD,
 510                 .nr_regions     = 1,
 511                 .regions        = {
 512                         ERASEINFO(0x10000,16),
 513                 }
 514         }, {
 515                 .mfr_id         = MANUFACTURER_AMD,
 516                 .dev_id         = AM29F040,
 517                 .name           = "AMD AM29F040",
 518                 .devtypes       = CFI_DEVICETYPE_X8,
 519                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 520                 .dev_size       = SIZE_512KiB,
 521                 .cmd_set        = P_ID_AMD_STD,
 522                 .nr_regions     = 1,
 523                 .regions        = {
 524                         ERASEINFO(0x10000,8),
 525                 }
 526         }, {
 527                 .mfr_id         = MANUFACTURER_AMD,
 528                 .dev_id         = AM29LV040B,
 529                 .name           = "AMD AM29LV040B",
 530                 .devtypes       = CFI_DEVICETYPE_X8,
 531                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 532                 .dev_size       = SIZE_512KiB,
 533                 .cmd_set        = P_ID_AMD_STD,
 534                 .nr_regions     = 1,
 535                 .regions        = {
 536                         ERASEINFO(0x10000,8),
 537                 }
 538         }, {
 539                 .mfr_id         = MANUFACTURER_AMD,
 540                 .dev_id         = AM29F002T,
 541                 .name           = "AMD AM29F002T",
 542                 .devtypes       = CFI_DEVICETYPE_X8,
 543                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 544                 .dev_size       = SIZE_256KiB,
 545                 .cmd_set        = P_ID_AMD_STD,
 546                 .nr_regions     = 4,
 547                 .regions        = {
 548                         ERASEINFO(0x10000,3),
 549                         ERASEINFO(0x08000,1),
 550                         ERASEINFO(0x02000,2),
 551                         ERASEINFO(0x04000,1),
 552                 }
 553         }, {
 554                 .mfr_id         = MANUFACTURER_AMD,
 555                 .dev_id         = AM29SL800DT,
 556                 .name           = "AMD AM29SL800DT",
 557                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 558                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 559                 .dev_size       = SIZE_1MiB,
 560                 .cmd_set        = P_ID_AMD_STD,
 561                 .nr_regions     = 4,
 562                 .regions        = {
 563                         ERASEINFO(0x10000,15),
 564                         ERASEINFO(0x08000,1),
 565                         ERASEINFO(0x02000,2),
 566                         ERASEINFO(0x04000,1),
 567                 }
 568         }, {
 569                 .mfr_id         = MANUFACTURER_AMD,
 570                 .dev_id         = AM29SL800DB,
 571                 .name           = "AMD AM29SL800DB",
 572                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 573                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 574                 .dev_size       = SIZE_1MiB,
 575                 .cmd_set        = P_ID_AMD_STD,
 576                 .nr_regions     = 4,
 577                 .regions        = {
 578                         ERASEINFO(0x04000,1),
 579                         ERASEINFO(0x02000,2),
 580                         ERASEINFO(0x08000,1),
 581                         ERASEINFO(0x10000,15),
 582                 }
 583         }, {
 584                 .mfr_id         = MANUFACTURER_ATMEL,
 585                 .dev_id         = AT49BV512,
 586                 .name           = "Atmel AT49BV512",
 587                 .devtypes       = CFI_DEVICETYPE_X8,
 588                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 589                 .dev_size       = SIZE_64KiB,
 590                 .cmd_set        = P_ID_AMD_STD,
 591                 .nr_regions     = 1,
 592                 .regions        = {
 593                         ERASEINFO(0x10000,1)
 594                 }
 595         }, {
 596                 .mfr_id         = MANUFACTURER_ATMEL,
 597                 .dev_id         = AT29LV512,
 598                 .name           = "Atmel AT29LV512",
 599                 .devtypes       = CFI_DEVICETYPE_X8,
 600                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 601                 .dev_size       = SIZE_64KiB,
 602                 .cmd_set        = P_ID_AMD_STD,
 603                 .nr_regions     = 1,
 604                 .regions        = {
 605                         ERASEINFO(0x80,256),
 606                         ERASEINFO(0x80,256)
 607                 }
 608         }, {
 609                 .mfr_id         = MANUFACTURER_ATMEL,
 610                 .dev_id         = AT49BV16X,
 611                 .name           = "Atmel AT49BV16X",
 612                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 613                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 614                 .dev_size       = SIZE_2MiB,
 615                 .cmd_set        = P_ID_AMD_STD,
 616                 .nr_regions     = 2,
 617                 .regions        = {
 618                         ERASEINFO(0x02000,8),
 619                         ERASEINFO(0x10000,31)
 620                 }
 621         }, {
 622                 .mfr_id         = MANUFACTURER_ATMEL,
 623                 .dev_id         = AT49BV16XT,
 624                 .name           = "Atmel AT49BV16XT",
 625                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 626                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 627                 .dev_size       = SIZE_2MiB,
 628                 .cmd_set        = P_ID_AMD_STD,
 629                 .nr_regions     = 2,
 630                 .regions        = {
 631                         ERASEINFO(0x10000,31),
 632                         ERASEINFO(0x02000,8)
 633                 }
 634         }, {
 635                 .mfr_id         = MANUFACTURER_ATMEL,
 636                 .dev_id         = AT49BV32X,
 637                 .name           = "Atmel AT49BV32X",
 638                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 639                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 640                 .dev_size       = SIZE_4MiB,
 641                 .cmd_set        = P_ID_AMD_STD,
 642                 .nr_regions     = 2,
 643                 .regions        = {
 644                         ERASEINFO(0x02000,8),
 645                         ERASEINFO(0x10000,63)
 646                 }
 647         }, {
 648                 .mfr_id         = MANUFACTURER_ATMEL,
 649                 .dev_id         = AT49BV32XT,
 650                 .name           = "Atmel AT49BV32XT",
 651                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 652                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 653                 .dev_size       = SIZE_4MiB,
 654                 .cmd_set        = P_ID_AMD_STD,
 655                 .nr_regions     = 2,
 656                 .regions        = {
 657                         ERASEINFO(0x10000,63),
 658                         ERASEINFO(0x02000,8)
 659                 }
 660         }, {
 661                 .mfr_id         = MANUFACTURER_EON,
 662                 .dev_id         = EN29SL800BT,
 663                 .name           = "Eon EN29SL800BT",
 664                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 665                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 666                 .dev_size       = SIZE_1MiB,
 667                 .cmd_set        = P_ID_AMD_STD,
 668                 .nr_regions     = 4,
 669                 .regions        = {
 670                         ERASEINFO(0x10000,15),
 671                         ERASEINFO(0x08000,1),
 672                         ERASEINFO(0x02000,2),
 673                         ERASEINFO(0x04000,1),
 674                 }
 675         }, {
 676                 .mfr_id         = MANUFACTURER_EON,
 677                 .dev_id         = EN29SL800BB,
 678                 .name           = "Eon EN29SL800BB",
 679                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 680                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 681                 .dev_size       = SIZE_1MiB,
 682                 .cmd_set        = P_ID_AMD_STD,
 683                 .nr_regions     = 4,
 684                 .regions        = {
 685                         ERASEINFO(0x04000,1),
 686                         ERASEINFO(0x02000,2),
 687                         ERASEINFO(0x08000,1),
 688                         ERASEINFO(0x10000,15),
 689                 }
 690         }, {
 691                 .mfr_id         = MANUFACTURER_FUJITSU,
 692                 .dev_id         = MBM29F040C,
 693                 .name           = "Fujitsu MBM29F040C",
 694                 .devtypes       = CFI_DEVICETYPE_X8,
 695                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 696                 .dev_size       = SIZE_512KiB,
 697                 .cmd_set        = P_ID_AMD_STD,
 698                 .nr_regions     = 1,
 699                 .regions        = {
 700                         ERASEINFO(0x10000,8)
 701                 }
 702         }, {
 703                 .mfr_id         = MANUFACTURER_FUJITSU,
 704                 .dev_id         = MBM29F800BA,
 705                 .name           = "Fujitsu MBM29F800BA",
 706                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 707                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 708                 .dev_size       = SIZE_1MiB,
 709                 .cmd_set        = P_ID_AMD_STD,
 710                 .nr_regions     = 4,
 711                 .regions        = {
 712                         ERASEINFO(0x04000,1),
 713                         ERASEINFO(0x02000,2),
 714                         ERASEINFO(0x08000,1),
 715                         ERASEINFO(0x10000,15),
 716                 }
 717         }, {
 718                 .mfr_id         = MANUFACTURER_FUJITSU,
 719                 .dev_id         = MBM29LV650UE,
 720                 .name           = "Fujitsu MBM29LV650UE",
 721                 .devtypes       = CFI_DEVICETYPE_X8,
 722                 .uaddr          = MTD_UADDR_DONT_CARE,
 723                 .dev_size       = SIZE_8MiB,
 724                 .cmd_set        = P_ID_AMD_STD,
 725                 .nr_regions     = 1,
 726                 .regions        = {
 727                         ERASEINFO(0x10000,128)
 728                 }
 729         }, {
 730                 .mfr_id         = MANUFACTURER_FUJITSU,
 731                 .dev_id         = MBM29LV320TE,
 732                 .name           = "Fujitsu MBM29LV320TE",
 733                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 734                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 735                 .dev_size       = SIZE_4MiB,
 736                 .cmd_set        = P_ID_AMD_STD,
 737                 .nr_regions     = 2,
 738                 .regions        = {
 739                         ERASEINFO(0x10000,63),
 740                         ERASEINFO(0x02000,8)
 741                 }
 742         }, {
 743                 .mfr_id         = MANUFACTURER_FUJITSU,
 744                 .dev_id         = MBM29LV320BE,
 745                 .name           = "Fujitsu MBM29LV320BE",
 746                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 747                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 748                 .dev_size       = SIZE_4MiB,
 749                 .cmd_set        = P_ID_AMD_STD,
 750                 .nr_regions     = 2,
 751                 .regions        = {
 752                         ERASEINFO(0x02000,8),
 753                         ERASEINFO(0x10000,63)
 754                 }
 755         }, {
 756                 .mfr_id         = MANUFACTURER_FUJITSU,
 757                 .dev_id         = MBM29LV160TE,
 758                 .name           = "Fujitsu MBM29LV160TE",
 759                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 760                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 761                 .dev_size       = SIZE_2MiB,
 762                 .cmd_set        = P_ID_AMD_STD,
 763                 .nr_regions     = 4,
 764                 .regions        = {
 765                         ERASEINFO(0x10000,31),
 766                         ERASEINFO(0x08000,1),
 767                         ERASEINFO(0x02000,2),
 768                         ERASEINFO(0x04000,1)
 769                 }
 770         }, {
 771                 .mfr_id         = MANUFACTURER_FUJITSU,
 772                 .dev_id         = MBM29LV160BE,
 773                 .name           = "Fujitsu MBM29LV160BE",
 774                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 775                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 776                 .dev_size       = SIZE_2MiB,
 777                 .cmd_set        = P_ID_AMD_STD,
 778                 .nr_regions     = 4,
 779                 .regions        = {
 780                         ERASEINFO(0x04000,1),
 781                         ERASEINFO(0x02000,2),
 782                         ERASEINFO(0x08000,1),
 783                         ERASEINFO(0x10000,31)
 784                 }
 785         }, {
 786                 .mfr_id         = MANUFACTURER_FUJITSU,
 787                 .dev_id         = MBM29LV800BA,
 788                 .name           = "Fujitsu MBM29LV800BA",
 789                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 790                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 791                 .dev_size       = SIZE_1MiB,
 792                 .cmd_set        = P_ID_AMD_STD,
 793                 .nr_regions     = 4,
 794                 .regions        = {
 795                         ERASEINFO(0x04000,1),
 796                         ERASEINFO(0x02000,2),
 797                         ERASEINFO(0x08000,1),
 798                         ERASEINFO(0x10000,15)
 799                 }
 800         }, {
 801                 .mfr_id         = MANUFACTURER_FUJITSU,
 802                 .dev_id         = MBM29LV800TA,
 803                 .name           = "Fujitsu MBM29LV800TA",
 804                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 805                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 806                 .dev_size       = SIZE_1MiB,
 807                 .cmd_set        = P_ID_AMD_STD,
 808                 .nr_regions     = 4,
 809                 .regions        = {
 810                         ERASEINFO(0x10000,15),
 811                         ERASEINFO(0x08000,1),
 812                         ERASEINFO(0x02000,2),
 813                         ERASEINFO(0x04000,1)
 814                 }
 815         }, {
 816                 .mfr_id         = MANUFACTURER_FUJITSU,
 817                 .dev_id         = MBM29LV400BC,
 818                 .name           = "Fujitsu MBM29LV400BC",
 819                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 820                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 821                 .dev_size       = SIZE_512KiB,
 822                 .cmd_set        = P_ID_AMD_STD,
 823                 .nr_regions     = 4,
 824                 .regions        = {
 825                         ERASEINFO(0x04000,1),
 826                         ERASEINFO(0x02000,2),
 827                         ERASEINFO(0x08000,1),
 828                         ERASEINFO(0x10000,7)
 829                 }
 830         }, {
 831                 .mfr_id         = MANUFACTURER_FUJITSU,
 832                 .dev_id         = MBM29LV400TC,
 833                 .name           = "Fujitsu MBM29LV400TC",
 834                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 835                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 836                 .dev_size       = SIZE_512KiB,
 837                 .cmd_set        = P_ID_AMD_STD,
 838                 .nr_regions     = 4,
 839                 .regions        = {
 840                         ERASEINFO(0x10000,7),
 841                         ERASEINFO(0x08000,1),
 842                         ERASEINFO(0x02000,2),
 843                         ERASEINFO(0x04000,1)
 844                 }
 845         }, {
 846                 .mfr_id         = MANUFACTURER_HYUNDAI,
 847                 .dev_id         = HY29F002T,
 848                 .name           = "Hyundai HY29F002T",
 849                 .devtypes       = CFI_DEVICETYPE_X8,
 850                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 851                 .dev_size       = SIZE_256KiB,
 852                 .cmd_set        = P_ID_AMD_STD,
 853                 .nr_regions     = 4,
 854                 .regions        = {
 855                         ERASEINFO(0x10000,3),
 856                         ERASEINFO(0x08000,1),
 857                         ERASEINFO(0x02000,2),
 858                         ERASEINFO(0x04000,1),
 859                 }
 860         }, {
 861                 .mfr_id         = MANUFACTURER_INTEL,
 862                 .dev_id         = I28F004B3B,
 863                 .name           = "Intel 28F004B3B",
 864                 .devtypes       = CFI_DEVICETYPE_X8,
 865                 .uaddr          = MTD_UADDR_UNNECESSARY,
 866                 .dev_size       = SIZE_512KiB,
 867                 .cmd_set        = P_ID_INTEL_STD,
 868                 .nr_regions     = 2,
 869                 .regions        = {
 870                         ERASEINFO(0x02000, 8),
 871                         ERASEINFO(0x10000, 7),
 872                 }
 873         }, {
 874                 .mfr_id         = MANUFACTURER_INTEL,
 875                 .dev_id         = I28F004B3T,
 876                 .name           = "Intel 28F004B3T",
 877                 .devtypes       = CFI_DEVICETYPE_X8,
 878                 .uaddr          = MTD_UADDR_UNNECESSARY,
 879                 .dev_size       = SIZE_512KiB,
 880                 .cmd_set        = P_ID_INTEL_STD,
 881                 .nr_regions     = 2,
 882                 .regions        = {
 883                         ERASEINFO(0x10000, 7),
 884                         ERASEINFO(0x02000, 8),
 885                 }
 886         }, {
 887                 .mfr_id         = MANUFACTURER_INTEL,
 888                 .dev_id         = I28F400B3B,
 889                 .name           = "Intel 28F400B3B",
 890                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 891                 .uaddr          = MTD_UADDR_UNNECESSARY,
 892                 .dev_size       = SIZE_512KiB,
 893                 .cmd_set        = P_ID_INTEL_STD,
 894                 .nr_regions     = 2,
 895                 .regions        = {
 896                         ERASEINFO(0x02000, 8),
 897                         ERASEINFO(0x10000, 7),
 898                 }
 899         }, {
 900                 .mfr_id         = MANUFACTURER_INTEL,
 901                 .dev_id         = I28F400B3T,
 902                 .name           = "Intel 28F400B3T",
 903                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 904                 .uaddr          = MTD_UADDR_UNNECESSARY,
 905                 .dev_size       = SIZE_512KiB,
 906                 .cmd_set        = P_ID_INTEL_STD,
 907                 .nr_regions     = 2,
 908                 .regions        = {
 909                         ERASEINFO(0x10000, 7),
 910                         ERASEINFO(0x02000, 8),
 911                 }
 912         }, {
 913                 .mfr_id         = MANUFACTURER_INTEL,
 914                 .dev_id         = I28F008B3B,
 915                 .name           = "Intel 28F008B3B",
 916                 .devtypes       = CFI_DEVICETYPE_X8,
 917                 .uaddr          = MTD_UADDR_UNNECESSARY,
 918                 .dev_size       = SIZE_1MiB,
 919                 .cmd_set        = P_ID_INTEL_STD,
 920                 .nr_regions     = 2,
 921                 .regions        = {
 922                         ERASEINFO(0x02000, 8),
 923                         ERASEINFO(0x10000, 15),
 924                 }
 925         }, {
 926                 .mfr_id         = MANUFACTURER_INTEL,
 927                 .dev_id         = I28F008B3T,
 928                 .name           = "Intel 28F008B3T",
 929                 .devtypes       = CFI_DEVICETYPE_X8,
 930                 .uaddr          = MTD_UADDR_UNNECESSARY,
 931                 .dev_size       = SIZE_1MiB,
 932                 .cmd_set        = P_ID_INTEL_STD,
 933                 .nr_regions     = 2,
 934                 .regions        = {
 935                         ERASEINFO(0x10000, 15),
 936                         ERASEINFO(0x02000, 8),
 937                 }
 938         }, {
 939                 .mfr_id         = MANUFACTURER_INTEL,
 940                 .dev_id         = I28F008S5,
 941                 .name           = "Intel 28F008S5",
 942                 .devtypes       = CFI_DEVICETYPE_X8,
 943                 .uaddr          = MTD_UADDR_UNNECESSARY,
 944                 .dev_size       = SIZE_1MiB,
 945                 .cmd_set        = P_ID_INTEL_EXT,
 946                 .nr_regions     = 1,
 947                 .regions        = {
 948                         ERASEINFO(0x10000,16),
 949                 }
 950         }, {
 951                 .mfr_id         = MANUFACTURER_INTEL,
 952                 .dev_id         = I28F016S5,
 953                 .name           = "Intel 28F016S5",
 954                 .devtypes       = CFI_DEVICETYPE_X8,
 955                 .uaddr          = MTD_UADDR_UNNECESSARY,
 956                 .dev_size       = SIZE_2MiB,
 957                 .cmd_set        = P_ID_INTEL_EXT,
 958                 .nr_regions     = 1,
 959                 .regions        = {
 960                         ERASEINFO(0x10000,32),
 961                 }
 962         }, {
 963                 .mfr_id         = MANUFACTURER_INTEL,
 964                 .dev_id         = I28F008SA,
 965                 .name           = "Intel 28F008SA",
 966                 .devtypes       = CFI_DEVICETYPE_X8,
 967                 .uaddr          = MTD_UADDR_UNNECESSARY,
 968                 .dev_size       = SIZE_1MiB,
 969                 .cmd_set        = P_ID_INTEL_STD,
 970                 .nr_regions     = 1,
 971                 .regions        = {
 972                         ERASEINFO(0x10000, 16),
 973                 }
 974         }, {
 975                 .mfr_id         = MANUFACTURER_INTEL,
 976                 .dev_id         = I28F800B3B,
 977                 .name           = "Intel 28F800B3B",
 978                 .devtypes       = CFI_DEVICETYPE_X16,
 979                 .uaddr          = MTD_UADDR_UNNECESSARY,
 980                 .dev_size       = SIZE_1MiB,
 981                 .cmd_set        = P_ID_INTEL_STD,
 982                 .nr_regions     = 2,
 983                 .regions        = {
 984                         ERASEINFO(0x02000, 8),
 985                         ERASEINFO(0x10000, 15),
 986                 }
 987         }, {
 988                 .mfr_id         = MANUFACTURER_INTEL,
 989                 .dev_id         = I28F800B3T,
 990                 .name           = "Intel 28F800B3T",
 991                 .devtypes       = CFI_DEVICETYPE_X16,
 992                 .uaddr          = MTD_UADDR_UNNECESSARY,
 993                 .dev_size       = SIZE_1MiB,
 994                 .cmd_set        = P_ID_INTEL_STD,
 995                 .nr_regions     = 2,
 996                 .regions        = {
 997                         ERASEINFO(0x10000, 15),
 998                         ERASEINFO(0x02000, 8),
 999                 }
1000         }, {
1001                 .mfr_id         = MANUFACTURER_INTEL,
1002                 .dev_id         = I28F016B3B,
1003                 .name           = "Intel 28F016B3B",
1004                 .devtypes       = CFI_DEVICETYPE_X8,
1005                 .uaddr          = MTD_UADDR_UNNECESSARY,
1006                 .dev_size       = SIZE_2MiB,
1007                 .cmd_set        = P_ID_INTEL_STD,
1008                 .nr_regions     = 2,
1009                 .regions        = {
1010                         ERASEINFO(0x02000, 8),
1011                         ERASEINFO(0x10000, 31),
1012                 }
1013         }, {
1014                 .mfr_id         = MANUFACTURER_INTEL,
1015                 .dev_id         = I28F016S3,
1016                 .name           = "Intel I28F016S3",
1017                 .devtypes       = CFI_DEVICETYPE_X8,
1018                 .uaddr          = MTD_UADDR_UNNECESSARY,
1019                 .dev_size       = SIZE_2MiB,
1020                 .cmd_set        = P_ID_INTEL_STD,
1021                 .nr_regions     = 1,
1022                 .regions        = {
1023                         ERASEINFO(0x10000, 32),
1024                 }
1025         }, {
1026                 .mfr_id         = MANUFACTURER_INTEL,
1027                 .dev_id         = I28F016B3T,
1028                 .name           = "Intel 28F016B3T",
1029                 .devtypes       = CFI_DEVICETYPE_X8,
1030                 .uaddr          = MTD_UADDR_UNNECESSARY,
1031                 .dev_size       = SIZE_2MiB,
1032                 .cmd_set        = P_ID_INTEL_STD,
1033                 .nr_regions     = 2,
1034                 .regions        = {
1035                         ERASEINFO(0x10000, 31),
1036                         ERASEINFO(0x02000, 8),
1037                 }
1038         }, {
1039                 .mfr_id         = MANUFACTURER_INTEL,
1040                 .dev_id         = I28F160B3B,
1041                 .name           = "Intel 28F160B3B",
1042                 .devtypes       = CFI_DEVICETYPE_X16,
1043                 .uaddr          = MTD_UADDR_UNNECESSARY,
1044                 .dev_size       = SIZE_2MiB,
1045                 .cmd_set        = P_ID_INTEL_STD,
1046                 .nr_regions     = 2,
1047                 .regions        = {
1048                         ERASEINFO(0x02000, 8),
1049                         ERASEINFO(0x10000, 31),
1050                 }
1051         }, {
1052                 .mfr_id         = MANUFACTURER_INTEL,
1053                 .dev_id         = I28F160B3T,
1054                 .name           = "Intel 28F160B3T",
1055                 .devtypes       = CFI_DEVICETYPE_X16,
1056                 .uaddr          = MTD_UADDR_UNNECESSARY,
1057                 .dev_size       = SIZE_2MiB,
1058                 .cmd_set        = P_ID_INTEL_STD,
1059                 .nr_regions     = 2,
1060                 .regions        = {
1061                         ERASEINFO(0x10000, 31),
1062                         ERASEINFO(0x02000, 8),
1063                 }
1064         }, {
1065                 .mfr_id         = MANUFACTURER_INTEL,
1066                 .dev_id         = I28F320B3B,
1067                 .name           = "Intel 28F320B3B",
1068                 .devtypes       = CFI_DEVICETYPE_X16,
1069                 .uaddr          = MTD_UADDR_UNNECESSARY,
1070                 .dev_size       = SIZE_4MiB,
1071                 .cmd_set        = P_ID_INTEL_STD,
1072                 .nr_regions     = 2,
1073                 .regions        = {
1074                         ERASEINFO(0x02000, 8),
1075                         ERASEINFO(0x10000, 63),
1076                 }
1077         }, {
1078                 .mfr_id         = MANUFACTURER_INTEL,
1079                 .dev_id         = I28F320B3T,
1080                 .name           = "Intel 28F320B3T",
1081                 .devtypes       = CFI_DEVICETYPE_X16,
1082                 .uaddr          = MTD_UADDR_UNNECESSARY,
1083                 .dev_size       = SIZE_4MiB,
1084                 .cmd_set        = P_ID_INTEL_STD,
1085                 .nr_regions     = 2,
1086                 .regions        = {
1087                         ERASEINFO(0x10000, 63),
1088                         ERASEINFO(0x02000, 8),
1089                 }
1090         }, {
1091                 .mfr_id         = MANUFACTURER_INTEL,
1092                 .dev_id         = I28F640B3B,
1093                 .name           = "Intel 28F640B3B",
1094                 .devtypes       = CFI_DEVICETYPE_X16,
1095                 .uaddr          = MTD_UADDR_UNNECESSARY,
1096                 .dev_size       = SIZE_8MiB,
1097                 .cmd_set        = P_ID_INTEL_STD,
1098                 .nr_regions     = 2,
1099                 .regions        = {
1100                         ERASEINFO(0x02000, 8),
1101                         ERASEINFO(0x10000, 127),
1102                 }
1103         }, {
1104                 .mfr_id         = MANUFACTURER_INTEL,
1105                 .dev_id         = I28F640B3T,
1106                 .name           = "Intel 28F640B3T",
1107                 .devtypes       = CFI_DEVICETYPE_X16,
1108                 .uaddr          = MTD_UADDR_UNNECESSARY,
1109                 .dev_size       = SIZE_8MiB,
1110                 .cmd_set        = P_ID_INTEL_STD,
1111                 .nr_regions     = 2,
1112                 .regions        = {
1113                         ERASEINFO(0x10000, 127),
1114                         ERASEINFO(0x02000, 8),
1115                 }
1116         }, {
1117                 .mfr_id         = MANUFACTURER_INTEL,
1118                 .dev_id         = I28F640C3B,
1119                 .name           = "Intel 28F640C3B",
1120                 .devtypes       = CFI_DEVICETYPE_X16,
1121                 .uaddr          = MTD_UADDR_UNNECESSARY,
1122                 .dev_size       = SIZE_8MiB,
1123                 .cmd_set        = P_ID_INTEL_STD,
1124                 .nr_regions     = 2,
1125                 .regions        = {
1126                         ERASEINFO(0x02000, 8),
1127                         ERASEINFO(0x10000, 127),
1128                 }
1129         }, {
1130                 .mfr_id         = MANUFACTURER_INTEL,
1131                 .dev_id         = I82802AB,
1132                 .name           = "Intel 82802AB",
1133                 .devtypes       = CFI_DEVICETYPE_X8,
1134                 .uaddr          = MTD_UADDR_UNNECESSARY,
1135                 .dev_size       = SIZE_512KiB,
1136                 .cmd_set        = P_ID_INTEL_EXT,
1137                 .nr_regions     = 1,
1138                 .regions        = {
1139                         ERASEINFO(0x10000,8),
1140                 }
1141         }, {
1142                 .mfr_id         = MANUFACTURER_INTEL,
1143                 .dev_id         = I82802AC,
1144                 .name           = "Intel 82802AC",
1145                 .devtypes       = CFI_DEVICETYPE_X8,
1146                 .uaddr          = MTD_UADDR_UNNECESSARY,
1147                 .dev_size       = SIZE_1MiB,
1148                 .cmd_set        = P_ID_INTEL_EXT,
1149                 .nr_regions     = 1,
1150                 .regions        = {
1151                         ERASEINFO(0x10000,16),
1152                 }
1153         }, {
1154                 .mfr_id         = MANUFACTURER_MACRONIX,
1155                 .dev_id         = MX29LV040C,
1156                 .name           = "Macronix MX29LV040C",
1157                 .devtypes       = CFI_DEVICETYPE_X8,
1158                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1159                 .dev_size       = SIZE_512KiB,
1160                 .cmd_set        = P_ID_AMD_STD,
1161                 .nr_regions     = 1,
1162                 .regions        = {
1163                         ERASEINFO(0x10000,8),
1164                 }
1165         }, {
1166                 .mfr_id         = MANUFACTURER_MACRONIX,
1167                 .dev_id         = MX29LV160T,
1168                 .name           = "MXIC MX29LV160T",
1169                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1170                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1171                 .dev_size       = SIZE_2MiB,
1172                 .cmd_set        = P_ID_AMD_STD,
1173                 .nr_regions     = 4,
1174                 .regions        = {
1175                         ERASEINFO(0x10000,31),
1176                         ERASEINFO(0x08000,1),
1177                         ERASEINFO(0x02000,2),
1178                         ERASEINFO(0x04000,1)
1179                 }
1180         }, {
1181                 .mfr_id         = MANUFACTURER_NEC,
1182                 .dev_id         = UPD29F064115,
1183                 .name           = "NEC uPD29F064115",
1184                 .devtypes       = CFI_DEVICETYPE_X16,
1185                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1186                 .dev_size       = SIZE_8MiB,
1187                 .cmd_set        = P_ID_AMD_STD,
1188                 .nr_regions     = 3,
1189                 .regions        = {
1190                         ERASEINFO(0x2000,8),
1191                         ERASEINFO(0x10000,126),
1192                         ERASEINFO(0x2000,8),
1193                 }
1194         }, {
1195                 .mfr_id         = MANUFACTURER_MACRONIX,
1196                 .dev_id         = MX29LV160B,
1197                 .name           = "MXIC MX29LV160B",
1198                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1199                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1200                 .dev_size       = SIZE_2MiB,
1201                 .cmd_set        = P_ID_AMD_STD,
1202                 .nr_regions     = 4,
1203                 .regions        = {
1204                         ERASEINFO(0x04000,1),
1205                         ERASEINFO(0x02000,2),
1206                         ERASEINFO(0x08000,1),
1207                         ERASEINFO(0x10000,31)
1208                 }
1209         }, {
1210                 .mfr_id         = MANUFACTURER_MACRONIX,
1211                 .dev_id         = MX29F040,
1212                 .name           = "Macronix MX29F040",
1213                 .devtypes       = CFI_DEVICETYPE_X8,
1214                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1215                 .dev_size       = SIZE_512KiB,
1216                 .cmd_set        = P_ID_AMD_STD,
1217                 .nr_regions     = 1,
1218                 .regions        = {
1219                         ERASEINFO(0x10000,8),
1220                 }
1221         }, {
1222                 .mfr_id         = MANUFACTURER_MACRONIX,
1223                 .dev_id         = MX29F016,
1224                 .name           = "Macronix MX29F016",
1225                 .devtypes       = CFI_DEVICETYPE_X8,
1226                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1227                 .dev_size       = SIZE_2MiB,
1228                 .cmd_set        = P_ID_AMD_STD,
1229                 .nr_regions     = 1,
1230                 .regions        = {
1231                         ERASEINFO(0x10000,32),
1232                 }
1233         }, {
1234                 .mfr_id         = MANUFACTURER_MACRONIX,
1235                 .dev_id         = MX29F004T,
1236                 .name           = "Macronix MX29F004T",
1237                 .devtypes       = CFI_DEVICETYPE_X8,
1238                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1239                 .dev_size       = SIZE_512KiB,
1240                 .cmd_set        = P_ID_AMD_STD,
1241                 .nr_regions     = 4,
1242                 .regions        = {
1243                         ERASEINFO(0x10000,7),
1244                         ERASEINFO(0x08000,1),
1245                         ERASEINFO(0x02000,2),
1246                         ERASEINFO(0x04000,1),
1247                 }
1248         }, {
1249                 .mfr_id         = MANUFACTURER_MACRONIX,
1250                 .dev_id         = MX29F004B,
1251                 .name           = "Macronix MX29F004B",
1252                 .devtypes       = CFI_DEVICETYPE_X8,
1253                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1254                 .dev_size       = SIZE_512KiB,
1255                 .cmd_set        = P_ID_AMD_STD,
1256                 .nr_regions     = 4,
1257                 .regions        = {
1258                         ERASEINFO(0x04000,1),
1259                         ERASEINFO(0x02000,2),
1260                         ERASEINFO(0x08000,1),
1261                         ERASEINFO(0x10000,7),
1262                 }
1263         }, {
1264                 .mfr_id         = MANUFACTURER_MACRONIX,
1265                 .dev_id         = MX29F002T,
1266                 .name           = "Macronix MX29F002T",
1267                 .devtypes       = CFI_DEVICETYPE_X8,
1268                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1269                 .dev_size       = SIZE_256KiB,
1270                 .cmd_set        = P_ID_AMD_STD,
1271                 .nr_regions     = 4,
1272                 .regions        = {
1273                         ERASEINFO(0x10000,3),
1274                         ERASEINFO(0x08000,1),
1275                         ERASEINFO(0x02000,2),
1276                         ERASEINFO(0x04000,1),
1277                 }
1278         }, {
1279                 .mfr_id         = MANUFACTURER_PMC,
1280                 .dev_id         = PM49FL002,
1281                 .name           = "PMC Pm49FL002",
1282                 .devtypes       = CFI_DEVICETYPE_X8,
1283                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1284                 .dev_size       = SIZE_256KiB,
1285                 .cmd_set        = P_ID_AMD_STD,
1286                 .nr_regions     = 1,
1287                 .regions        = {
1288                         ERASEINFO( 0x01000, 64 )
1289                 }
1290         }, {
1291                 .mfr_id         = MANUFACTURER_PMC,
1292                 .dev_id         = PM49FL004,
1293                 .name           = "PMC Pm49FL004",
1294                 .devtypes       = CFI_DEVICETYPE_X8,
1295                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1296                 .dev_size       = SIZE_512KiB,
1297                 .cmd_set        = P_ID_AMD_STD,
1298                 .nr_regions     = 1,
1299                 .regions        = {
1300                         ERASEINFO( 0x01000, 128 )
1301                 }
1302         }, {
1303                 .mfr_id         = MANUFACTURER_PMC,
1304                 .dev_id         = PM49FL008,
1305                 .name           = "PMC Pm49FL008",
1306                 .devtypes       = CFI_DEVICETYPE_X8,
1307                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1308                 .dev_size       = SIZE_1MiB,
1309                 .cmd_set        = P_ID_AMD_STD,
1310                 .nr_regions     = 1,
1311                 .regions        = {
1312                         ERASEINFO( 0x01000, 256 )
1313                 }
1314         }, {
1315                 .mfr_id         = MANUFACTURER_SHARP,
1316                 .dev_id         = LH28F640BF,
1317                 .name           = "LH28F640BF",
1318                 .devtypes       = CFI_DEVICETYPE_X8,
1319                 .uaddr          = MTD_UADDR_UNNECESSARY,
1320                 .dev_size       = SIZE_4MiB,
1321                 .cmd_set        = P_ID_INTEL_STD,
1322                 .nr_regions     = 1,
1323                 .regions        = {
1324                         ERASEINFO(0x40000,16),
1325                 }
1326         }, {
1327                 .mfr_id         = MANUFACTURER_SST,
1328                 .dev_id         = SST39LF512,
1329                 .name           = "SST 39LF512",
1330                 .devtypes       = CFI_DEVICETYPE_X8,
1331                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1332                 .dev_size       = SIZE_64KiB,
1333                 .cmd_set        = P_ID_AMD_STD,
1334                 .nr_regions     = 1,
1335                 .regions        = {
1336                         ERASEINFO(0x01000,16),
1337                 }
1338         }, {
1339                 .mfr_id         = MANUFACTURER_SST,
1340                 .dev_id         = SST39LF010,
1341                 .name           = "SST 39LF010",
1342                 .devtypes       = CFI_DEVICETYPE_X8,
1343                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1344                 .dev_size       = SIZE_128KiB,
1345                 .cmd_set        = P_ID_AMD_STD,
1346                 .nr_regions     = 1,
1347                 .regions        = {
1348                         ERASEINFO(0x01000,32),
1349                 }
1350         }, {
1351                 .mfr_id         = MANUFACTURER_SST,
1352                 .dev_id         = SST29EE020,
1353                 .name           = "SST 29EE020",
1354                 .devtypes       = CFI_DEVICETYPE_X8,
1355                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1356                 .dev_size       = SIZE_256KiB,
1357                 .cmd_set        = P_ID_SST_PAGE,
1358                 .nr_regions     = 1,
1359                 .regions = {ERASEINFO(0x01000,64),
1360                 }
1361         }, {
1362                 .mfr_id         = MANUFACTURER_SST,
1363                 .dev_id         = SST29LE020,
1364                 .name           = "SST 29LE020",
1365                 .devtypes       = CFI_DEVICETYPE_X8,
1366                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1367                 .dev_size       = SIZE_256KiB,
1368                 .cmd_set        = P_ID_SST_PAGE,
1369                 .nr_regions     = 1,
1370                 .regions = {ERASEINFO(0x01000,64),
1371                 }
1372         }, {
1373                 .mfr_id         = MANUFACTURER_SST,
1374                 .dev_id         = SST39LF020,
1375                 .name           = "SST 39LF020",
1376                 .devtypes       = CFI_DEVICETYPE_X8,
1377                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1378                 .dev_size       = SIZE_256KiB,
1379                 .cmd_set        = P_ID_AMD_STD,
1380                 .nr_regions     = 1,
1381                 .regions        = {
1382                         ERASEINFO(0x01000,64),
1383                 }
1384         }, {
1385                 .mfr_id         = MANUFACTURER_SST,
1386                 .dev_id         = SST39LF040,
1387                 .name           = "SST 39LF040",
1388                 .devtypes       = CFI_DEVICETYPE_X8,
1389                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1390                 .dev_size       = SIZE_512KiB,
1391                 .cmd_set        = P_ID_AMD_STD,
1392                 .nr_regions     = 1,
1393                 .regions        = {
1394                         ERASEINFO(0x01000,128),
1395                 }
1396         }, {
1397                 .mfr_id         = MANUFACTURER_SST,
1398                 .dev_id         = SST39SF010A,
1399                 .name           = "SST 39SF010A",
1400                 .devtypes       = CFI_DEVICETYPE_X8,
1401                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1402                 .dev_size       = SIZE_128KiB,
1403                 .cmd_set        = P_ID_AMD_STD,
1404                 .nr_regions     = 1,
1405                 .regions        = {
1406                         ERASEINFO(0x01000,32),
1407                 }
1408         }, {
1409                 .mfr_id         = MANUFACTURER_SST,
1410                 .dev_id         = SST39SF020A,
1411                 .name           = "SST 39SF020A",
1412                 .devtypes       = CFI_DEVICETYPE_X8,
1413                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1414                 .dev_size       = SIZE_256KiB,
1415                 .cmd_set        = P_ID_AMD_STD,
1416                 .nr_regions     = 1,
1417                 .regions        = {
1418                         ERASEINFO(0x01000,64),
1419                 }
1420         }, {
1421                 .mfr_id         = MANUFACTURER_SST,
1422                 .dev_id         = SST39SF040,
1423                 .name           = "SST 39SF040",
1424                 .devtypes       = CFI_DEVICETYPE_X8,
1425                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1426                 .dev_size       = SIZE_512KiB,
1427                 .cmd_set        = P_ID_AMD_STD,
1428                 .nr_regions     = 1,
1429                 .regions        = {
1430                         ERASEINFO(0x01000,128),
1431                 }
1432         }, {
1433                 .mfr_id         = MANUFACTURER_SST,
1434                 .dev_id         = SST49LF040B,
1435                 .name           = "SST 49LF040B",
1436                 .devtypes       = CFI_DEVICETYPE_X8,
1437                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1438                 .dev_size       = SIZE_512KiB,
1439                 .cmd_set        = P_ID_AMD_STD,
1440                 .nr_regions     = 1,
1441                 .regions        = {
1442                         ERASEINFO(0x01000,128),
1443                 }
1444         }, {
1445
1446                 .mfr_id         = MANUFACTURER_SST,
1447                 .dev_id         = SST49LF004B,
1448                 .name           = "SST 49LF004B",
1449                 .devtypes       = CFI_DEVICETYPE_X8,
1450                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1451                 .dev_size       = SIZE_512KiB,
1452                 .cmd_set        = P_ID_AMD_STD,
1453                 .nr_regions     = 1,
1454                 .regions        = {
1455                         ERASEINFO(0x01000,128),
1456                 }
1457         }, {
1458                 .mfr_id         = MANUFACTURER_SST,
1459                 .dev_id         = SST49LF008A,
1460                 .name           = "SST 49LF008A",
1461                 .devtypes       = CFI_DEVICETYPE_X8,
1462                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1463                 .dev_size       = SIZE_1MiB,
1464                 .cmd_set        = P_ID_AMD_STD,
1465                 .nr_regions     = 1,
1466                 .regions        = {
1467                         ERASEINFO(0x01000,256),
1468                 }
1469         }, {
1470                 .mfr_id         = MANUFACTURER_SST,
1471                 .dev_id         = SST49LF030A,
1472                 .name           = "SST 49LF030A",
1473                 .devtypes       = CFI_DEVICETYPE_X8,
1474                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1475                 .dev_size       = SIZE_512KiB,
1476                 .cmd_set        = P_ID_AMD_STD,
1477                 .nr_regions     = 1,
1478                 .regions        = {
1479                         ERASEINFO(0x01000,96),
1480                 }
1481         }, {
1482                 .mfr_id         = MANUFACTURER_SST,
1483                 .dev_id         = SST49LF040A,
1484                 .name           = "SST 49LF040A",
1485                 .devtypes       = CFI_DEVICETYPE_X8,
1486                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1487                 .dev_size       = SIZE_512KiB,
1488                 .cmd_set        = P_ID_AMD_STD,
1489                 .nr_regions     = 1,
1490                 .regions        = {
1491                         ERASEINFO(0x01000,128),
1492                 }
1493         }, {
1494                 .mfr_id         = MANUFACTURER_SST,
1495                 .dev_id         = SST49LF080A,
1496                 .name           = "SST 49LF080A",
1497                 .devtypes       = CFI_DEVICETYPE_X8,
1498                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1499                 .dev_size       = SIZE_1MiB,
1500                 .cmd_set        = P_ID_AMD_STD,
1501                 .nr_regions     = 1,
1502                 .regions        = {
1503                         ERASEINFO(0x01000,256),
1504                 }
1505         }, {
1506                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1507                 .dev_id         = SST39LF160,
1508                 .name           = "SST 39LF160",
1509                 .devtypes       = CFI_DEVICETYPE_X16,
1510                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1511                 .dev_size       = SIZE_2MiB,
1512                 .cmd_set        = P_ID_AMD_STD,
1513                 .nr_regions     = 2,
1514                 .regions        = {
1515                         ERASEINFO(0x1000,256),
1516                         ERASEINFO(0x1000,256)
1517                 }
1518         }, {
1519                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1520                 .dev_id         = SST39VF1601,
1521                 .name           = "SST 39VF1601",
1522                 .devtypes       = CFI_DEVICETYPE_X16,
1523                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1524                 .dev_size       = SIZE_2MiB,
1525                 .cmd_set        = P_ID_AMD_STD,
1526                 .nr_regions     = 2,
1527                 .regions        = {
1528                         ERASEINFO(0x1000,256),
1529                         ERASEINFO(0x1000,256)
1530                 }
1531         }, {
1532                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1533                 .dev_id         = SST39VF3201,
1534                 .name           = "SST 39VF3201",
1535                 .devtypes       = CFI_DEVICETYPE_X16,
1536                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1537                 .dev_size       = SIZE_4MiB,
1538                 .cmd_set        = P_ID_AMD_STD,
1539                 .nr_regions     = 4,
1540                 .regions        = {
1541                         ERASEINFO(0x1000,256),
1542                         ERASEINFO(0x1000,256),
1543                         ERASEINFO(0x1000,256),
1544                         ERASEINFO(0x1000,256)
1545                 }
1546         }, {
1547                 .mfr_id         = MANUFACTURER_SST,
1548                 .dev_id         = SST36VF3203,
1549                 .name           = "SST 36VF3203",
1550                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1551                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1552                 .dev_size       = SIZE_4MiB,
1553                 .cmd_set        = P_ID_AMD_STD,
1554                 .nr_regions     = 1,
1555                 .regions        = {
1556                         ERASEINFO(0x10000,64),
1557                 }
1558         }, {
1559                 .mfr_id         = MANUFACTURER_ST,
1560                 .dev_id         = M29F800AB,
1561                 .name           = "ST M29F800AB",
1562                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1563                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1564                 .dev_size       = SIZE_1MiB,
1565                 .cmd_set        = P_ID_AMD_STD,
1566                 .nr_regions     = 4,
1567                 .regions        = {
1568                         ERASEINFO(0x04000,1),
1569                         ERASEINFO(0x02000,2),
1570                         ERASEINFO(0x08000,1),
1571                         ERASEINFO(0x10000,15),
1572                 }
1573         }, {
1574                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1575                 .dev_id         = M29W800DT,
1576                 .name           = "ST M29W800DT",
1577                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1578                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1579                 .dev_size       = SIZE_1MiB,
1580                 .cmd_set        = P_ID_AMD_STD,
1581                 .nr_regions     = 4,
1582                 .regions        = {
1583                         ERASEINFO(0x10000,15),
1584                         ERASEINFO(0x08000,1),
1585                         ERASEINFO(0x02000,2),
1586                         ERASEINFO(0x04000,1)
1587                 }
1588         }, {
1589                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1590                 .dev_id         = M29W800DB,
1591                 .name           = "ST M29W800DB",
1592                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1593                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1594                 .dev_size       = SIZE_1MiB,
1595                 .cmd_set        = P_ID_AMD_STD,
1596                 .nr_regions     = 4,
1597                 .regions        = {
1598                         ERASEINFO(0x04000,1),
1599                         ERASEINFO(0x02000,2),
1600                         ERASEINFO(0x08000,1),
1601                         ERASEINFO(0x10000,15)
1602                 }
1603         },  {
1604                 .mfr_id         = MANUFACTURER_ST,
1605                 .dev_id         = M29W400DT,
1606                 .name           = "ST M29W400DT",
1607                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1608                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1609                 .dev_size       = SIZE_512KiB,
1610                 .cmd_set        = P_ID_AMD_STD,
1611                 .nr_regions     = 4,
1612                 .regions        = {
1613                         ERASEINFO(0x04000,7),
1614                         ERASEINFO(0x02000,1),
1615                         ERASEINFO(0x08000,2),
1616                         ERASEINFO(0x10000,1)
1617                 }
1618         }, {
1619                 .mfr_id         = MANUFACTURER_ST,
1620                 .dev_id         = M29W400DB,
1621                 .name           = "ST M29W400DB",
1622                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1623                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1624                 .dev_size       = SIZE_512KiB,
1625                 .cmd_set        = P_ID_AMD_STD,
1626                 .nr_regions     = 4,
1627                 .regions        = {
1628                         ERASEINFO(0x04000,1),
1629                         ERASEINFO(0x02000,2),
1630                         ERASEINFO(0x08000,1),
1631                         ERASEINFO(0x10000,7)
1632                 }
1633         }, {
1634                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1635                 .dev_id         = M29W160DT,
1636                 .name           = "ST M29W160DT",
1637                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1638                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1639                 .dev_size       = SIZE_2MiB,
1640                 .cmd_set        = P_ID_AMD_STD,
1641                 .nr_regions     = 4,
1642                 .regions        = {
1643                         ERASEINFO(0x10000,31),
1644                         ERASEINFO(0x08000,1),
1645                         ERASEINFO(0x02000,2),
1646                         ERASEINFO(0x04000,1)
1647                 }
1648         }, {
1649                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1650                 .dev_id         = M29W160DB,
1651                 .name           = "ST M29W160DB",
1652                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1653                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1654                 .dev_size       = SIZE_2MiB,
1655                 .cmd_set        = P_ID_AMD_STD,
1656                 .nr_regions     = 4,
1657                 .regions        = {
1658                         ERASEINFO(0x04000,1),
1659                         ERASEINFO(0x02000,2),
1660                         ERASEINFO(0x08000,1),
1661                         ERASEINFO(0x10000,31)
1662                 }
1663         }, {
1664                 .mfr_id         = MANUFACTURER_ST,
1665                 .dev_id         = M29W040B,
1666                 .name           = "ST M29W040B",
1667                 .devtypes       = CFI_DEVICETYPE_X8,
1668                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1669                 .dev_size       = SIZE_512KiB,
1670                 .cmd_set        = P_ID_AMD_STD,
1671                 .nr_regions     = 1,
1672                 .regions        = {
1673                         ERASEINFO(0x10000,8),
1674                 }
1675         }, {
1676                 .mfr_id         = MANUFACTURER_ST,
1677                 .dev_id         = M50FW040,
1678                 .name           = "ST M50FW040",
1679                 .devtypes       = CFI_DEVICETYPE_X8,
1680                 .uaddr          = MTD_UADDR_UNNECESSARY,
1681                 .dev_size       = SIZE_512KiB,
1682                 .cmd_set        = P_ID_INTEL_EXT,
1683                 .nr_regions     = 1,
1684                 .regions        = {
1685                         ERASEINFO(0x10000,8),
1686                 }
1687         }, {
1688                 .mfr_id         = MANUFACTURER_ST,
1689                 .dev_id         = M50FW080,
1690                 .name           = "ST M50FW080",
1691                 .devtypes       = CFI_DEVICETYPE_X8,
1692                 .uaddr          = MTD_UADDR_UNNECESSARY,
1693                 .dev_size       = SIZE_1MiB,
1694                 .cmd_set        = P_ID_INTEL_EXT,
1695                 .nr_regions     = 1,
1696                 .regions        = {
1697                         ERASEINFO(0x10000,16),
1698                 }
1699         }, {
1700                 .mfr_id         = MANUFACTURER_ST,
1701                 .dev_id         = M50FW016,
1702                 .name           = "ST M50FW016",
1703                 .devtypes       = CFI_DEVICETYPE_X8,
1704                 .uaddr          = MTD_UADDR_UNNECESSARY,
1705                 .dev_size       = SIZE_2MiB,
1706                 .cmd_set        = P_ID_INTEL_EXT,
1707                 .nr_regions     = 1,
1708                 .regions        = {
1709                         ERASEINFO(0x10000,32),
1710                 }
1711         }, {
1712                 .mfr_id         = MANUFACTURER_ST,
1713                 .dev_id         = M50LPW080,
1714                 .name           = "ST M50LPW080",
1715                 .devtypes       = CFI_DEVICETYPE_X8,
1716                 .uaddr          = MTD_UADDR_UNNECESSARY,
1717                 .dev_size       = SIZE_1MiB,
1718                 .cmd_set        = P_ID_INTEL_EXT,
1719                 .nr_regions     = 1,
1720                 .regions        = {
1721                         ERASEINFO(0x10000,16),
1722                 },
1723         }, {
1724                 .mfr_id         = MANUFACTURER_ST,
1725                 .dev_id         = M50FLW080A,
1726                 .name           = "ST M50FLW080A",
1727                 .devtypes       = CFI_DEVICETYPE_X8,
1728                 .uaddr          = MTD_UADDR_UNNECESSARY,
1729                 .dev_size       = SIZE_1MiB,
1730                 .cmd_set        = P_ID_INTEL_EXT,
1731                 .nr_regions     = 4,
1732                 .regions        = {
1733                         ERASEINFO(0x1000,16),
1734                         ERASEINFO(0x10000,13),
1735                         ERASEINFO(0x1000,16),
1736                         ERASEINFO(0x1000,16),
1737                 }
1738         }, {
1739                 .mfr_id         = MANUFACTURER_ST,
1740                 .dev_id         = M50FLW080B,
1741                 .name           = "ST M50FLW080B",
1742                 .devtypes       = CFI_DEVICETYPE_X8,
1743                 .uaddr          = MTD_UADDR_UNNECESSARY,
1744                 .dev_size       = SIZE_1MiB,
1745                 .cmd_set        = P_ID_INTEL_EXT,
1746                 .nr_regions     = 4,
1747                 .regions        = {
1748                         ERASEINFO(0x1000,16),
1749                         ERASEINFO(0x1000,16),
1750                         ERASEINFO(0x10000,13),
1751                         ERASEINFO(0x1000,16),
1752                 }
1753         }, {
1754                 .mfr_id         = 0xff00 | MANUFACTURER_ST,
1755                 .dev_id         = 0xff00 | PSD4256G6V,
1756                 .name           = "ST PSD4256G6V",
1757                 .devtypes       = CFI_DEVICETYPE_X16,
1758                 .uaddr          = MTD_UADDR_0x0AAA_0x0554,
1759                 .dev_size       = SIZE_1MiB,
1760                 .cmd_set        = P_ID_AMD_STD,
1761                 .nr_regions     = 1,
1762                 .regions        = {
1763                         ERASEINFO(0x10000,16),
1764                 }
1765         }, {
1766                 .mfr_id         = MANUFACTURER_TOSHIBA,
1767                 .dev_id         = TC58FVT160,
1768                 .name           = "Toshiba TC58FVT160",
1769                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1770                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1771                 .dev_size       = SIZE_2MiB,
1772                 .cmd_set        = P_ID_AMD_STD,
1773                 .nr_regions     = 4,
1774                 .regions        = {
1775                         ERASEINFO(0x10000,31),
1776                         ERASEINFO(0x08000,1),
1777                         ERASEINFO(0x02000,2),
1778                         ERASEINFO(0x04000,1)
1779                 }
1780         }, {
1781                 .mfr_id         = MANUFACTURER_TOSHIBA,
1782                 .dev_id         = TC58FVB160,
1783                 .name           = "Toshiba TC58FVB160",
1784                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1785                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1786                 .dev_size       = SIZE_2MiB,
1787                 .cmd_set        = P_ID_AMD_STD,
1788                 .nr_regions     = 4,
1789                 .regions        = {
1790                         ERASEINFO(0x04000,1),
1791                         ERASEINFO(0x02000,2),
1792                         ERASEINFO(0x08000,1),
1793                         ERASEINFO(0x10000,31)
1794                 }
1795         }, {
1796                 .mfr_id         = MANUFACTURER_TOSHIBA,
1797                 .dev_id         = TC58FVB321,
1798                 .name           = "Toshiba TC58FVB321",
1799                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1800                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1801                 .dev_size       = SIZE_4MiB,
1802                 .cmd_set        = P_ID_AMD_STD,
1803                 .nr_regions     = 2,
1804                 .regions        = {
1805                         ERASEINFO(0x02000,8),
1806                         ERASEINFO(0x10000,63)
1807                 }
1808         }, {
1809                 .mfr_id         = MANUFACTURER_TOSHIBA,
1810                 .dev_id         = TC58FVT321,
1811                 .name           = "Toshiba TC58FVT321",
1812                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1813                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1814                 .dev_size       = SIZE_4MiB,
1815                 .cmd_set        = P_ID_AMD_STD,
1816                 .nr_regions     = 2,
1817                 .regions        = {
1818                         ERASEINFO(0x10000,63),
1819                         ERASEINFO(0x02000,8)
1820                 }
1821         }, {
1822                 .mfr_id         = MANUFACTURER_TOSHIBA,
1823                 .dev_id         = TC58FVB641,
1824                 .name           = "Toshiba TC58FVB641",
1825                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1826                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1827                 .dev_size       = SIZE_8MiB,
1828                 .cmd_set        = P_ID_AMD_STD,
1829                 .nr_regions     = 2,
1830                 .regions        = {
1831                         ERASEINFO(0x02000,8),
1832                         ERASEINFO(0x10000,127)
1833                 }
1834         }, {
1835                 .mfr_id         = MANUFACTURER_TOSHIBA,
1836                 .dev_id         = TC58FVT641,
1837                 .name           = "Toshiba TC58FVT641",
1838                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1839                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1840                 .dev_size       = SIZE_8MiB,
1841                 .cmd_set        = P_ID_AMD_STD,
1842                 .nr_regions     = 2,
1843                 .regions        = {
1844                         ERASEINFO(0x10000,127),
1845                         ERASEINFO(0x02000,8)
1846                 }
1847         }, {
1848                 .mfr_id         = MANUFACTURER_WINBOND,
1849                 .dev_id         = W49V002A,
1850                 .name           = "Winbond W49V002A",
1851                 .devtypes       = CFI_DEVICETYPE_X8,
1852                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1853                 .dev_size       = SIZE_256KiB,
1854                 .cmd_set        = P_ID_AMD_STD,
1855                 .nr_regions     = 4,
1856                 .regions        = {
1857                         ERASEINFO(0x10000, 3),
1858                         ERASEINFO(0x08000, 1),
1859                         ERASEINFO(0x02000, 2),
1860                         ERASEINFO(0x04000, 1),
1861                 }
1862         }
1863 };
1864
1865 static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1866         struct cfi_private *cfi)
1867 {
1868         map_word result;
1869         unsigned long mask;
1870         int bank = 0;
1871
1872         /* According to JEDEC "Standard Manufacturer's Identification Code"
1873          * (http://www.jedec.org/download/search/jep106W.pdf)
1874          * several first banks can contain 0x7f instead of actual ID
1875          */
1876         do {
1877                 uint32_t ofs = cfi_build_cmd_addr(0 + (bank << 8), map, cfi);
1878                 mask = (1 << (cfi->device_type * 8)) - 1;
1879                 result = map_read(map, base + ofs);
1880                 bank++;
1881         } while ((result.x[0] & mask) == CONTINUATION_CODE);
1882
1883         return result.x[0] & mask;
1884 }
1885
1886 static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1887         struct cfi_private *cfi)
1888 {
1889         map_word result;
1890         unsigned long mask;
1891         u32 ofs = cfi_build_cmd_addr(1, map, cfi);
1892         mask = (1 << (cfi->device_type * 8)) -1;
1893         result = map_read(map, base + ofs);
1894         return result.x[0] & mask;
1895 }
1896
1897 static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi)
1898 {
1899         /* Reset */
1900
1901         /* after checking the datasheets for SST, MACRONIX and ATMEL
1902          * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1903          * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1904          * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1905          * as they will ignore the writes and dont care what address
1906          * the F0 is written to */
1907         if (cfi->addr_unlock1) {
1908                 DEBUG( MTD_DEBUG_LEVEL3,
1909                        "reset unlock called %x %x \n",
1910                        cfi->addr_unlock1,cfi->addr_unlock2);
1911                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1912                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1913         }
1914
1915         cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1916         /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1917          * so ensure we're in read mode.  Send both the Intel and the AMD command
1918          * for this.  Intel uses 0xff for this, AMD uses 0xff for NOP, so
1919          * this should be safe.
1920          */
1921         cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1922         /* FIXME - should have reset delay before continuing */
1923 }
1924
1925
1926 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1927 {
1928         int i,num_erase_regions;
1929         uint8_t uaddr;
1930
1931         if (! (jedec_table[index].devtypes & p_cfi->device_type)) {
1932                 DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n",
1933                       jedec_table[index].name, 4 * (1<<p_cfi->device_type));
1934                 return 0;
1935         }
1936
1937         printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1938
1939         num_erase_regions = jedec_table[index].nr_regions;
1940
1941         p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1942         if (!p_cfi->cfiq) {
1943                 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1944                 return 0;
1945         }
1946
1947         memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1948
1949         p_cfi->cfiq->P_ID = jedec_table[index].cmd_set;
1950         p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions;
1951         p_cfi->cfiq->DevSize = jedec_table[index].dev_size;
1952         p_cfi->cfi_mode = CFI_MODE_JEDEC;
1953
1954         for (i=0; i<num_erase_regions; i++){
1955                 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1956         }
1957         p_cfi->cmdset_priv = NULL;
1958
1959         /* This may be redundant for some cases, but it doesn't hurt */
1960         p_cfi->mfr = jedec_table[index].mfr_id;
1961         p_cfi->id = jedec_table[index].dev_id;
1962
1963         uaddr = jedec_table[index].uaddr;
1964
1965         /* The table has unlock addresses in _bytes_, and we try not to let
1966            our brains explode when we see the datasheets talking about address
1967            lines numbered from A-1 to A18. The CFI table has unlock addresses
1968            in device-words according to the mode the device is connected in */
1969         p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type;
1970         p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type;
1971
1972         return 1;       /* ok */
1973 }
1974
1975
1976 /*
1977  * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1978  * the mapped address, unlock addresses, and proper chip ID.  This function
1979  * attempts to minimize errors.  It is doubtfull that this probe will ever
1980  * be perfect - consequently there should be some module parameters that
1981  * could be manually specified to force the chip info.
1982  */
1983 static inline int jedec_match( uint32_t base,
1984                                struct map_info *map,
1985                                struct cfi_private *cfi,
1986                                const struct amd_flash_info *finfo )
1987 {
1988         int rc = 0;           /* failure until all tests pass */
1989         u32 mfr, id;
1990         uint8_t uaddr;
1991
1992         /*
1993          * The IDs must match.  For X16 and X32 devices operating in
1994          * a lower width ( X8 or X16 ), the device ID's are usually just
1995          * the lower byte(s) of the larger device ID for wider mode.  If
1996          * a part is found that doesn't fit this assumption (device id for
1997          * smaller width mode is completely unrealated to full-width mode)
1998          * then the jedec_table[] will have to be augmented with the IDs
1999          * for different widths.
2000          */
2001         switch (cfi->device_type) {
2002         case CFI_DEVICETYPE_X8:
2003                 mfr = (uint8_t)finfo->mfr_id;
2004                 id = (uint8_t)finfo->dev_id;
2005
2006                 /* bjd: it seems that if we do this, we can end up
2007                  * detecting 16bit flashes as an 8bit device, even though
2008                  * there aren't.
2009                  */
2010                 if (finfo->dev_id > 0xff) {
2011                         DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
2012                                __func__);
2013                         goto match_done;
2014                 }
2015                 break;
2016         case CFI_DEVICETYPE_X16:
2017                 mfr = (uint16_t)finfo->mfr_id;
2018                 id = (uint16_t)finfo->dev_id;
2019                 break;
2020         case CFI_DEVICETYPE_X32:
2021                 mfr = (uint16_t)finfo->mfr_id;
2022                 id = (uint32_t)finfo->dev_id;
2023                 break;
2024         default:
2025                 printk(KERN_WARNING
2026                        "MTD %s(): Unsupported device type %d\n",
2027                        __func__, cfi->device_type);
2028                 goto match_done;
2029         }
2030         if ( cfi->mfr != mfr || cfi->id != id ) {
2031                 goto match_done;
2032         }
2033
2034         /* the part size must fit in the memory window */
2035         DEBUG( MTD_DEBUG_LEVEL3,
2036                "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
2037                __func__, base, 1 << finfo->dev_size, base + (1 << finfo->dev_size) );
2038         if ( base + cfi_interleave(cfi) * ( 1 << finfo->dev_size ) > map->size ) {
2039                 DEBUG( MTD_DEBUG_LEVEL3,
2040                        "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
2041                        __func__, finfo->mfr_id, finfo->dev_id,
2042                        1 << finfo->dev_size );
2043                 goto match_done;
2044         }
2045
2046         if (! (finfo->devtypes & cfi->device_type))
2047                 goto match_done;
2048
2049         uaddr = finfo->uaddr;
2050
2051         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
2052                __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
2053         if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
2054              && ( unlock_addrs[uaddr].addr1 / cfi->device_type != cfi->addr_unlock1 ||
2055                   unlock_addrs[uaddr].addr2 / cfi->device_type != cfi->addr_unlock2 ) ) {
2056                 DEBUG( MTD_DEBUG_LEVEL3,
2057                         "MTD %s(): 0x%.4x 0x%.4x did not match\n",
2058                         __func__,
2059                         unlock_addrs[uaddr].addr1,
2060                         unlock_addrs[uaddr].addr2);
2061                 goto match_done;
2062         }
2063
2064         /*
2065          * Make sure the ID's dissappear when the device is taken out of
2066          * ID mode.  The only time this should fail when it should succeed
2067          * is when the ID's are written as data to the same
2068          * addresses.  For this rare and unfortunate case the chip
2069          * cannot be probed correctly.
2070          * FIXME - write a driver that takes all of the chip info as
2071          * module parameters, doesn't probe but forces a load.
2072          */
2073         DEBUG( MTD_DEBUG_LEVEL3,
2074                "MTD %s(): check ID's disappear when not in ID mode\n",
2075                __func__ );
2076         jedec_reset( base, map, cfi );
2077         mfr = jedec_read_mfr( map, base, cfi );
2078         id = jedec_read_id( map, base, cfi );
2079         if ( mfr == cfi->mfr && id == cfi->id ) {
2080                 DEBUG( MTD_DEBUG_LEVEL3,
2081                        "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
2082                        "You might need to manually specify JEDEC parameters.\n",
2083                         __func__, cfi->mfr, cfi->id );
2084                 goto match_done;
2085         }
2086
2087         /* all tests passed - mark  as success */
2088         rc = 1;
2089
2090         /*
2091          * Put the device back in ID mode - only need to do this if we
2092          * were truly frobbing a real device.
2093          */
2094         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
2095         if (cfi->addr_unlock1) {
2096                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2097                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2098         }
2099         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2100         /* FIXME - should have a delay before continuing */
2101
2102  match_done:
2103         return rc;
2104 }
2105
2106
2107 static int jedec_probe_chip(struct map_info *map, __u32 base,
2108                             unsigned long *chip_map, struct cfi_private *cfi)
2109 {
2110         int i;
2111         enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
2112         u32 probe_offset1, probe_offset2;
2113
2114  retry:
2115         if (!cfi->numchips) {
2116                 uaddr_idx++;
2117
2118                 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2119                         return 0;
2120
2121                 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1 / cfi->device_type;
2122                 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2 / cfi->device_type;
2123         }
2124
2125         /* Make certain we aren't probing past the end of map */
2126         if (base >= map->size) {
2127                 printk(KERN_NOTICE
2128                         "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2129                         base, map->size -1);
2130                 return 0;
2131
2132         }
2133         /* Ensure the unlock addresses we try stay inside the map */
2134         probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, map, cfi);
2135         probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, map, cfi);
2136         if (    ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2137                 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2138                 goto retry;
2139
2140         /* Reset */
2141         jedec_reset(base, map, cfi);
2142
2143         /* Autoselect Mode */
2144         if(cfi->addr_unlock1) {
2145                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2146                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2147         }
2148         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2149         /* FIXME - should have a delay before continuing */
2150
2151         if (!cfi->numchips) {
2152                 /* This is the first time we're called. Set up the CFI
2153                    stuff accordingly and return */
2154
2155                 cfi->mfr = jedec_read_mfr(map, base, cfi);
2156                 cfi->id = jedec_read_id(map, base, cfi);
2157                 DEBUG(MTD_DEBUG_LEVEL3,
2158                       "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2159                         cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2160                 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
2161                         if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
2162                                 DEBUG( MTD_DEBUG_LEVEL3,
2163                                        "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2164                                        __func__, cfi->mfr, cfi->id,
2165                                        cfi->addr_unlock1, cfi->addr_unlock2 );
2166                                 if (!cfi_jedec_setup(cfi, i))
2167                                         return 0;
2168                                 goto ok_out;
2169                         }
2170                 }
2171                 goto retry;
2172         } else {
2173                 uint16_t mfr;
2174                 uint16_t id;
2175
2176                 /* Make sure it is a chip of the same manufacturer and id */
2177                 mfr = jedec_read_mfr(map, base, cfi);
2178                 id = jedec_read_id(map, base, cfi);
2179
2180                 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2181                         printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2182                                map->name, mfr, id, base);
2183                         jedec_reset(base, map, cfi);
2184                         return 0;
2185                 }
2186         }
2187
2188         /* Check each previous chip locations to see if it's an alias */
2189         for (i=0; i < (base >> cfi->chipshift); i++) {
2190                 unsigned long start;
2191                 if(!test_bit(i, chip_map)) {
2192                         continue; /* Skip location; no valid chip at this address */
2193                 }
2194                 start = i << cfi->chipshift;
2195                 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2196                     jedec_read_id(map, start, cfi) == cfi->id) {
2197                         /* Eep. This chip also looks like it's in autoselect mode.
2198                            Is it an alias for the new one? */
2199                         jedec_reset(start, map, cfi);
2200
2201                         /* If the device IDs go away, it's an alias */
2202                         if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2203                             jedec_read_id(map, base, cfi) != cfi->id) {
2204                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2205                                        map->name, base, start);
2206                                 return 0;
2207                         }
2208
2209                         /* Yes, it's actually got the device IDs as data. Most
2210                          * unfortunate. Stick the new chip in read mode
2211                          * too and if it's the same, assume it's an alias. */
2212                         /* FIXME: Use other modes to do a proper check */
2213                         jedec_reset(base, map, cfi);
2214                         if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2215                             jedec_read_id(map, base, cfi) == cfi->id) {
2216                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2217                                        map->name, base, start);
2218                                 return 0;
2219                         }
2220                 }
2221         }
2222
2223         /* OK, if we got to here, then none of the previous chips appear to
2224            be aliases for the current one. */
2225         set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2226         cfi->numchips++;
2227
2228 ok_out:
2229         /* Put it back into Read Mode */
2230         jedec_reset(base, map, cfi);
2231
2232         printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2233                map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2234                map->bankwidth*8);
2235
2236         return 1;
2237 }
2238
2239 static struct chip_probe jedec_chip_probe = {
2240         .name = "JEDEC",
2241         .probe_chip = jedec_probe_chip
2242 };
2243
2244 static struct mtd_info *jedec_probe(struct map_info *map)
2245 {
2246         /*
2247          * Just use the generic probe stuff to call our CFI-specific
2248          * chip_probe routine in all the possible permutations, etc.
2249          */
2250         return mtd_do_chip_probe(map, &jedec_chip_probe);
2251 }
2252
2253 static struct mtd_chip_driver jedec_chipdrv = {
2254         .probe  = jedec_probe,
2255         .name   = "jedec_probe",
2256         .module = THIS_MODULE
2257 };
2258
2259 static int __init jedec_probe_init(void)
2260 {
2261         register_mtd_chip_driver(&jedec_chipdrv);
2262         return 0;
2263 }
2264
2265 static void __exit jedec_probe_exit(void)
2266 {
2267         unregister_mtd_chip_driver(&jedec_chipdrv);
2268 }
2269
2270 module_init(jedec_probe_init);
2271 module_exit(jedec_probe_exit);
2272
2273 MODULE_LICENSE("GPL");
2274 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2275 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");