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

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