drivers/mtd/chips/jedec_probe.c

   1 /*
   2    Common Flash Interface probe code.
   3    (C) 2000 Red Hat. GPL'd.
   4    $Id: jedec_probe.c,v 1.66 2005/11/07 11:14:23 gleixner Exp $
   5    See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
   6    for the standard this probe goes back to.
   7
   8    Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
   9 */
  10
  11 #include <linux/module.h>
  12 #include <linux/init.h>
  13 #include <linux/types.h>
  14 #include <linux/kernel.h>
  15 #include <asm/io.h>
  16 #include <asm/byteorder.h>
  17 #include <linux/errno.h>
  18 #include <linux/slab.h>
  19 #include <linux/interrupt.h>
  20
  21 #include <linux/mtd/mtd.h>
  22 #include <linux/mtd/map.h>
  23 #include <linux/mtd/cfi.h>
  24 #include <linux/mtd/gen_probe.h>
  25
  26 /* Manufacturers */
  27 #define MANUFACTURER_AMD        0x0001
  28 #define MANUFACTURER_ATMEL      0x001f
  29 #define MANUFACTURER_FUJITSU    0x0004
  30 #define MANUFACTURER_HYUNDAI    0x00AD
  31 #define MANUFACTURER_INTEL      0x0089
  32 #define MANUFACTURER_MACRONIX   0x00C2
  33 #define MANUFACTURER_NEC        0x0010
  34 #define MANUFACTURER_PMC        0x009D
  35 #define MANUFACTURER_SHARP      0x00b0
  36 #define MANUFACTURER_SST        0x00BF
  37 #define MANUFACTURER_ST         0x0020
  38 #define MANUFACTURER_TOSHIBA    0x0098
  39 #define MANUFACTURER_WINBOND    0x00da
  40
  41
  42 /* AMD */
  43 #define AM29DL800BB     0x22C8
  44 #define AM29DL800BT     0x224A
  45
  46 #define AM29F800BB      0x2258
  47 #define AM29F800BT      0x22D6
  48 #define AM29LV400BB     0x22BA
  49 #define AM29LV400BT     0x22B9
  50 #define AM29LV800BB     0x225B
  51 #define AM29LV800BT     0x22DA
  52 #define AM29LV160DT     0x22C4
  53 #define AM29LV160DB     0x2249
  54 #define AM29F017D       0x003D
  55 #define AM29F016D       0x00AD
  56 #define AM29F080        0x00D5
  57 #define AM29F040        0x00A4
  58 #define AM29LV040B      0x004F
  59 #define AM29F032B       0x0041
  60 #define AM29F002T       0x00B0
  61
  62 /* Atmel */
  63 #define AT49BV512       0x0003
  64 #define AT29LV512       0x003d
  65 #define AT49BV16X       0x00C0
  66 #define AT49BV16XT      0x00C2
  67 #define AT49BV32X       0x00C8
  68 #define AT49BV32XT      0x00C9
  69
  70 /* Fujitsu */
  71 #define MBM29F040C      0x00A4
  72 #define MBM29F800BA     0x2258
  73 #define MBM29LV650UE    0x22D7
  74 #define MBM29LV320TE    0x22F6
  75 #define MBM29LV320BE    0x22F9
  76 #define MBM29LV160TE    0x22C4
  77 #define MBM29LV160BE    0x2249
  78 #define MBM29LV800BA    0x225B
  79 #define MBM29LV800TA    0x22DA
  80 #define MBM29LV400TC    0x22B9
  81 #define MBM29LV400BC    0x22BA
  82
  83 /* Hyundai */
  84 #define HY29F002T       0x00B0
  85
  86 /* Intel */
  87 #define I28F004B3T      0x00d4
  88 #define I28F004B3B      0x00d5
  89 #define I28F400B3T      0x8894
  90 #define I28F400B3B      0x8895
  91 #define I28F008S5       0x00a6
  92 #define I28F016S5       0x00a0
  93 #define I28F008SA       0x00a2
  94 #define I28F008B3T      0x00d2
  95 #define I28F008B3B      0x00d3
  96 #define I28F800B3T      0x8892
  97 #define I28F800B3B      0x8893
  98 #define I28F016S3       0x00aa
  99 #define I28F016B3T      0x00d0
 100 #define I28F016B3B      0x00d1
 101 #define I28F160B3T      0x8890
 102 #define I28F160B3B      0x8891
 103 #define I28F320B3T      0x8896
 104 #define I28F320B3B      0x8897
 105 #define I28F640B3T      0x8898
 106 #define I28F640B3B      0x8899
 107 #define I82802AB        0x00ad
 108 #define I82802AC        0x00ac
 109
 110 /* Macronix */
 111 #define MX29LV040C      0x004F
 112 #define MX29LV160T      0x22C4
 113 #define MX29LV160B      0x2249
 114 #define MX29F040        0x00A4
 115 #define MX29F016        0x00AD
 116 #define MX29F002T       0x00B0
 117 #define MX29F004T       0x0045
 118 #define MX29F004B       0x0046
 119
 120 /* NEC */
 121 #define UPD29F064115    0x221C
 122
 123 /* PMC */
 124 #define PM49FL002       0x006D
 125 #define PM49FL004       0x006E
 126 #define PM49FL008       0x006A
 127
 128 /* Sharp */
 129 #define LH28F640BF      0x00b0
 130
 131 /* ST - www.st.com */
 132 #define M29F800AB       0x0058
 133 #define M29W800DT       0x00D7
 134 #define M29W800DB       0x005B
 135 #define M29W400DT       0x00EE
 136 #define M29W400DB       0x00EF
 137 #define M29W160DT       0x22C4
 138 #define M29W160DB       0x2249
 139 #define M29W040B        0x00E3
 140 #define M50FW040        0x002C
 141 #define M50FW080        0x002D
 142 #define M50FW016        0x002E
 143 #define M50LPW080       0x002F
 144
 145 /* SST */
 146 #define SST29EE020      0x0010
 147 #define SST29LE020      0x0012
 148 #define SST29EE512      0x005d
 149 #define SST29LE512      0x003d
 150 #define SST39LF800      0x2781
 151 #define SST39LF160      0x2782
 152 #define SST39VF1601     0x234b
 153 #define SST39LF512      0x00D4
 154 #define SST39LF010      0x00D5
 155 #define SST39LF020      0x00D6
 156 #define SST39LF040      0x00D7
 157 #define SST39SF010A     0x00B5
 158 #define SST39SF020A     0x00B6
 159 #define SST49LF004B     0x0060
 160 #define SST49LF040B     0x0050
 161 #define SST49LF008A     0x005a
 162 #define SST49LF030A     0x001C
 163 #define SST49LF040A     0x0051
 164 #define SST49LF080A     0x005B
 165 #define SST36VF3203     0x7354
 166
 167 /* Toshiba */
 168 #define TC58FVT160      0x00C2
 169 #define TC58FVB160      0x0043
 170 #define TC58FVT321      0x009A
 171 #define TC58FVB321      0x009C
 172 #define TC58FVT641      0x0093
 173 #define TC58FVB641      0x0095
 174
 175 /* Winbond */
 176 #define W49V002A        0x00b0
 177
 178
 179 /*
 180  * Unlock address sets for AMD command sets.
 181  * Intel command sets use the MTD_UADDR_UNNECESSARY.
 182  * Each identifier, except MTD_UADDR_UNNECESSARY, and
 183  * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
 184  * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
 185  * initialization need not require initializing all of the
 186  * unlock addresses for all bit widths.
 187  */
 188 enum uaddr {
 189         MTD_UADDR_NOT_SUPPORTED = 0,    /* data width not supported */
 190         MTD_UADDR_0x0555_0x02AA,
 191         MTD_UADDR_0x0555_0x0AAA,
 192         MTD_UADDR_0x5555_0x2AAA,
 193         MTD_UADDR_0x0AAA_0x0555,
 194         MTD_UADDR_DONT_CARE,            /* Requires an arbitrary address */
 195         MTD_UADDR_UNNECESSARY,          /* Does not require any address */
 196 };
 197
 198
 199 struct unlock_addr {
 200         uint32_t addr1;
 201         uint32_t addr2;
 202 };
 203
 204
 205 /*
 206  * I don't like the fact that the first entry in unlock_addrs[]
 207  * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
 208  * should not be used.  The  problem is that structures with
 209  * initializers have extra fields initialized to 0.  It is _very_
 210  * desireable to have the unlock address entries for unsupported
 211  * data widths automatically initialized - that means that
 212  * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
 213  * must go unused.
 214  */
 215 static const struct unlock_addr  unlock_addrs[] = {
 216         [MTD_UADDR_NOT_SUPPORTED] = {
 217                 .addr1 = 0xffff,
 218                 .addr2 = 0xffff
 219         },
 220
 221         [MTD_UADDR_0x0555_0x02AA] = {
 222                 .addr1 = 0x0555,
 223                 .addr2 = 0x02aa
 224         },
 225
 226         [MTD_UADDR_0x0555_0x0AAA] = {
 227                 .addr1 = 0x0555,
 228                 .addr2 = 0x0aaa
 229         },
 230
 231         [MTD_UADDR_0x5555_0x2AAA] = {
 232                 .addr1 = 0x5555,
 233                 .addr2 = 0x2aaa
 234         },
 235
 236         [MTD_UADDR_0x0AAA_0x0555] = {
 237                 .addr1 = 0x0AAA,
 238                 .addr2 = 0x0555
 239         },
 240
 241         [MTD_UADDR_DONT_CARE] = {
 242                 .addr1 = 0x0000,      /* Doesn't matter which address */
 243                 .addr2 = 0x0000       /* is used - must be last entry */
 244         },
 245
 246         [MTD_UADDR_UNNECESSARY] = {
 247                 .addr1 = 0x0000,
 248                 .addr2 = 0x0000
 249         }
 250 };
 251
 252 struct amd_flash_info {
 253         const char *name;
 254         const uint16_t mfr_id;
 255         const uint16_t dev_id;
 256         const uint8_t dev_size;
 257         const uint8_t nr_regions;
 258         const uint16_t cmd_set;
 259         const uint32_t regions[6];
 260         const uint8_t devtypes;         /* Bitmask for x8, x16 etc. */
 261         const uint8_t uaddr;            /* unlock addrs for 8, 16, 32, 64 */
 262 };
 263
 264 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
 265
 266 #define SIZE_64KiB  16
 267 #define SIZE_128KiB 17
 268 #define SIZE_256KiB 18
 269 #define SIZE_512KiB 19
 270 #define SIZE_1MiB   20
 271 #define SIZE_2MiB   21
 272 #define SIZE_4MiB   22
 273 #define SIZE_8MiB   23
 274
 275
 276 /*
 277  * Please keep this list ordered by manufacturer!
 278  * Fortunately, the list isn't searched often and so a
 279  * slow, linear search isn't so bad.
 280  */
 281 static const struct amd_flash_info jedec_table[] = {
 282         {
 283                 .mfr_id         = MANUFACTURER_AMD,
 284                 .dev_id         = AM29F032B,
 285                 .name           = "AMD AM29F032B",
 286                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 287                 .devtypes       = CFI_DEVICETYPE_X8,
 288                 .dev_size       = SIZE_4MiB,
 289                 .cmd_set        = P_ID_AMD_STD,
 290                 .nr_regions     = 1,
 291                 .regions        = {
 292                         ERASEINFO(0x10000,64)
 293                 }
 294         }, {
 295                 .mfr_id         = MANUFACTURER_AMD,
 296                 .dev_id         = AM29LV160DT,
 297                 .name           = "AMD AM29LV160DT",
 298                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 299                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 300                 .dev_size       = SIZE_2MiB,
 301                 .cmd_set        = P_ID_AMD_STD,
 302                 .nr_regions     = 4,
 303                 .regions        = {
 304                         ERASEINFO(0x10000,31),
 305                         ERASEINFO(0x08000,1),
 306                         ERASEINFO(0x02000,2),
 307                         ERASEINFO(0x04000,1)
 308                 }
 309         }, {
 310                 .mfr_id         = MANUFACTURER_AMD,
 311                 .dev_id         = AM29LV160DB,
 312                 .name           = "AMD AM29LV160DB",
 313                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 314                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 315                 .dev_size       = SIZE_2MiB,
 316                 .cmd_set        = P_ID_AMD_STD,
 317                 .nr_regions     = 4,
 318                 .regions        = {
 319                         ERASEINFO(0x04000,1),
 320                         ERASEINFO(0x02000,2),
 321                         ERASEINFO(0x08000,1),
 322                         ERASEINFO(0x10000,31)
 323                 }
 324         }, {
 325                 .mfr_id         = MANUFACTURER_AMD,
 326                 .dev_id         = AM29LV400BB,
 327                 .name           = "AMD AM29LV400BB",
 328                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 329                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 330                 .dev_size       = SIZE_512KiB,
 331                 .cmd_set        = P_ID_AMD_STD,
 332                 .nr_regions     = 4,
 333                 .regions        = {
 334                         ERASEINFO(0x04000,1),
 335                         ERASEINFO(0x02000,2),
 336                         ERASEINFO(0x08000,1),
 337                         ERASEINFO(0x10000,7)
 338                 }
 339         }, {
 340                 .mfr_id         = MANUFACTURER_AMD,
 341                 .dev_id         = AM29LV400BT,
 342                 .name           = "AMD AM29LV400BT",
 343                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 344                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 345                 .dev_size       = SIZE_512KiB,
 346                 .cmd_set        = P_ID_AMD_STD,
 347                 .nr_regions     = 4,
 348                 .regions        = {
 349                         ERASEINFO(0x10000,7),
 350                         ERASEINFO(0x08000,1),
 351                         ERASEINFO(0x02000,2),
 352                         ERASEINFO(0x04000,1)
 353                 }
 354         }, {
 355                 .mfr_id         = MANUFACTURER_AMD,
 356                 .dev_id         = AM29LV800BB,
 357                 .name           = "AMD AM29LV800BB",
 358                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 359                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 360                 .dev_size       = SIZE_1MiB,
 361                 .cmd_set        = P_ID_AMD_STD,
 362                 .nr_regions     = 4,
 363                 .regions        = {
 364                         ERASEINFO(0x04000,1),
 365                         ERASEINFO(0x02000,2),
 366                         ERASEINFO(0x08000,1),
 367                         ERASEINFO(0x10000,15),
 368                 }
 369         }, {
 370 /* add DL */
 371                 .mfr_id         = MANUFACTURER_AMD,
 372                 .dev_id         = AM29DL800BB,
 373                 .name           = "AMD AM29DL800BB",
 374                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 375                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 376                 .dev_size       = SIZE_1MiB,
 377                 .cmd_set        = P_ID_AMD_STD,
 378                 .nr_regions     = 6,
 379                 .regions        = {
 380                         ERASEINFO(0x04000,1),
 381                         ERASEINFO(0x08000,1),
 382                         ERASEINFO(0x02000,4),
 383                         ERASEINFO(0x08000,1),
 384                         ERASEINFO(0x04000,1),
 385                         ERASEINFO(0x10000,14)
 386                 }
 387         }, {
 388                 .mfr_id         = MANUFACTURER_AMD,
 389                 .dev_id         = AM29DL800BT,
 390                 .name           = "AMD AM29DL800BT",
 391                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 392                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 393                 .dev_size       = SIZE_1MiB,
 394                 .cmd_set        = P_ID_AMD_STD,
 395                 .nr_regions     = 6,
 396                 .regions        = {
 397                         ERASEINFO(0x10000,14),
 398                         ERASEINFO(0x04000,1),
 399                         ERASEINFO(0x08000,1),
 400                         ERASEINFO(0x02000,4),
 401                         ERASEINFO(0x08000,1),
 402                         ERASEINFO(0x04000,1)
 403                 }
 404         }, {
 405                 .mfr_id         = MANUFACTURER_AMD,
 406                 .dev_id         = AM29F800BB,
 407                 .name           = "AMD AM29F800BB",
 408                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 409                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 410                 .dev_size       = SIZE_1MiB,
 411                 .cmd_set        = P_ID_AMD_STD,
 412                 .nr_regions     = 4,
 413                 .regions        = {
 414                         ERASEINFO(0x04000,1),
 415                         ERASEINFO(0x02000,2),
 416                         ERASEINFO(0x08000,1),
 417                         ERASEINFO(0x10000,15),
 418                 }
 419         }, {
 420                 .mfr_id         = MANUFACTURER_AMD,
 421                 .dev_id         = AM29LV800BT,
 422                 .name           = "AMD AM29LV800BT",
 423                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 424                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 425                 .dev_size       = SIZE_1MiB,
 426                 .cmd_set        = P_ID_AMD_STD,
 427                 .nr_regions     = 4,
 428                 .regions        = {
 429                         ERASEINFO(0x10000,15),
 430                         ERASEINFO(0x08000,1),
 431                         ERASEINFO(0x02000,2),
 432                         ERASEINFO(0x04000,1)
 433                 }
 434         }, {
 435                 .mfr_id         = MANUFACTURER_AMD,
 436                 .dev_id         = AM29F800BT,
 437                 .name           = "AMD AM29F800BT",
 438                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 439                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 440                 .dev_size       = SIZE_1MiB,
 441                 .cmd_set        = P_ID_AMD_STD,
 442                 .nr_regions     = 4,
 443                 .regions        = {
 444                         ERASEINFO(0x10000,15),
 445                         ERASEINFO(0x08000,1),
 446                         ERASEINFO(0x02000,2),
 447                         ERASEINFO(0x04000,1)
 448                 }
 449         }, {
 450                 .mfr_id         = MANUFACTURER_AMD,
 451                 .dev_id         = AM29F017D,
 452                 .name           = "AMD AM29F017D",
 453                 .devtypes       = CFI_DEVICETYPE_X8,
 454                 .uaddr          = MTD_UADDR_DONT_CARE,
 455                 .dev_size       = SIZE_2MiB,
 456                 .cmd_set        = P_ID_AMD_STD,
 457                 .nr_regions     = 1,
 458                 .regions        = {
 459                         ERASEINFO(0x10000,32),
 460                 }
 461         }, {
 462                 .mfr_id         = MANUFACTURER_AMD,
 463                 .dev_id         = AM29F016D,
 464                 .name           = "AMD AM29F016D",
 465                 .devtypes       = CFI_DEVICETYPE_X8,
 466                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 467                 .dev_size       = SIZE_2MiB,
 468                 .cmd_set        = P_ID_AMD_STD,
 469                 .nr_regions     = 1,
 470                 .regions        = {
 471                         ERASEINFO(0x10000,32),
 472                 }
 473         }, {
 474                 .mfr_id         = MANUFACTURER_AMD,
 475                 .dev_id         = AM29F080,
 476                 .name           = "AMD AM29F080",
 477                 .devtypes       = CFI_DEVICETYPE_X8,
 478                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 479                 .dev_size       = SIZE_1MiB,
 480                 .cmd_set        = P_ID_AMD_STD,
 481                 .nr_regions     = 1,
 482                 .regions        = {
 483                         ERASEINFO(0x10000,16),
 484                 }
 485         }, {
 486                 .mfr_id         = MANUFACTURER_AMD,
 487                 .dev_id         = AM29F040,
 488                 .name           = "AMD AM29F040",
 489                 .devtypes       = CFI_DEVICETYPE_X8,
 490                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 491                 .dev_size       = SIZE_512KiB,
 492                 .cmd_set        = P_ID_AMD_STD,
 493                 .nr_regions     = 1,
 494                 .regions        = {
 495                         ERASEINFO(0x10000,8),
 496                 }
 497         }, {
 498                 .mfr_id         = MANUFACTURER_AMD,
 499                 .dev_id         = AM29LV040B,
 500                 .name           = "AMD AM29LV040B",
 501                 .devtypes       = CFI_DEVICETYPE_X8,
 502                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 503                 .dev_size       = SIZE_512KiB,
 504                 .cmd_set        = P_ID_AMD_STD,
 505                 .nr_regions     = 1,
 506                 .regions        = {
 507                         ERASEINFO(0x10000,8),
 508                 }
 509         }, {
 510                 .mfr_id         = MANUFACTURER_AMD,
 511                 .dev_id         = AM29F002T,
 512                 .name           = "AMD AM29F002T",
 513                 .devtypes       = CFI_DEVICETYPE_X8,
 514                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 515                 .dev_size       = SIZE_256KiB,
 516                 .cmd_set        = P_ID_AMD_STD,
 517                 .nr_regions     = 4,
 518                 .regions        = {
 519                         ERASEINFO(0x10000,3),
 520                         ERASEINFO(0x08000,1),
 521                         ERASEINFO(0x02000,2),
 522                         ERASEINFO(0x04000,1),
 523                 }
 524         }, {
 525                 .mfr_id         = MANUFACTURER_ATMEL,
 526                 .dev_id         = AT49BV512,
 527                 .name           = "Atmel AT49BV512",
 528                 .devtypes       = CFI_DEVICETYPE_X8,
 529                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 530                 .dev_size       = SIZE_64KiB,
 531                 .cmd_set        = P_ID_AMD_STD,
 532                 .nr_regions     = 1,
 533                 .regions        = {
 534                         ERASEINFO(0x10000,1)
 535                 }
 536         }, {
 537                 .mfr_id         = MANUFACTURER_ATMEL,
 538                 .dev_id         = AT29LV512,
 539                 .name           = "Atmel AT29LV512",
 540                 .devtypes       = CFI_DEVICETYPE_X8,
 541                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 542                 .dev_size       = SIZE_64KiB,
 543                 .cmd_set        = P_ID_AMD_STD,
 544                 .nr_regions     = 1,
 545                 .regions        = {
 546                         ERASEINFO(0x80,256),
 547                         ERASEINFO(0x80,256)
 548                 }
 549         }, {
 550                 .mfr_id         = MANUFACTURER_ATMEL,
 551                 .dev_id         = AT49BV16X,
 552                 .name           = "Atmel AT49BV16X",
 553                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 554                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 555                 .dev_size       = SIZE_2MiB,
 556                 .cmd_set        = P_ID_AMD_STD,
 557                 .nr_regions     = 2,
 558                 .regions        = {
 559                         ERASEINFO(0x02000,8),
 560                         ERASEINFO(0x10000,31)
 561                 }
 562         }, {
 563                 .mfr_id         = MANUFACTURER_ATMEL,
 564                 .dev_id         = AT49BV16XT,
 565                 .name           = "Atmel AT49BV16XT",
 566                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 567                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 568                 .dev_size       = SIZE_2MiB,
 569                 .cmd_set        = P_ID_AMD_STD,
 570                 .nr_regions     = 2,
 571                 .regions        = {
 572                         ERASEINFO(0x10000,31),
 573                         ERASEINFO(0x02000,8)
 574                 }
 575         }, {
 576                 .mfr_id         = MANUFACTURER_ATMEL,
 577                 .dev_id         = AT49BV32X,
 578                 .name           = "Atmel AT49BV32X",
 579                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 580                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 581                 .dev_size       = SIZE_4MiB,
 582                 .cmd_set        = P_ID_AMD_STD,
 583                 .nr_regions     = 2,
 584                 .regions        = {
 585                         ERASEINFO(0x02000,8),
 586                         ERASEINFO(0x10000,63)
 587                 }
 588         }, {
 589                 .mfr_id         = MANUFACTURER_ATMEL,
 590                 .dev_id         = AT49BV32XT,
 591                 .name           = "Atmel AT49BV32XT",
 592                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 593                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 594                 .dev_size       = SIZE_4MiB,
 595                 .cmd_set        = P_ID_AMD_STD,
 596                 .nr_regions     = 2,
 597                 .regions        = {
 598                         ERASEINFO(0x10000,63),
 599                         ERASEINFO(0x02000,8)
 600                 }
 601         }, {
 602                 .mfr_id         = MANUFACTURER_FUJITSU,
 603                 .dev_id         = MBM29F040C,
 604                 .name           = "Fujitsu MBM29F040C",
 605                 .devtypes       = CFI_DEVICETYPE_X8,
 606                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 607                 .dev_size       = SIZE_512KiB,
 608                 .cmd_set        = P_ID_AMD_STD,
 609                 .nr_regions     = 1,
 610                 .regions        = {
 611                         ERASEINFO(0x10000,8)
 612                 }
 613         }, {
 614                 .mfr_id         = MANUFACTURER_FUJITSU,
 615                 .dev_id         = MBM29F800BA,
 616                 .name           = "Fujitsu MBM29F800BA",
 617                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 618                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 619                 .dev_size       = SIZE_1MiB,
 620                 .cmd_set        = P_ID_AMD_STD,
 621                 .nr_regions     = 4,
 622                 .regions        = {
 623                         ERASEINFO(0x04000,1),
 624                         ERASEINFO(0x02000,2),
 625                         ERASEINFO(0x08000,1),
 626                         ERASEINFO(0x10000,15),
 627                 }
 628         }, {
 629                 .mfr_id         = MANUFACTURER_FUJITSU,
 630                 .dev_id         = MBM29LV650UE,
 631                 .name           = "Fujitsu MBM29LV650UE",
 632                 .devtypes       = CFI_DEVICETYPE_X8,
 633                 .uaddr          = MTD_UADDR_DONT_CARE,
 634                 .dev_size       = SIZE_8MiB,
 635                 .cmd_set        = P_ID_AMD_STD,
 636                 .nr_regions     = 1,
 637                 .regions        = {
 638                         ERASEINFO(0x10000,128)
 639                 }
 640         }, {
 641                 .mfr_id         = MANUFACTURER_FUJITSU,
 642                 .dev_id         = MBM29LV320TE,
 643                 .name           = "Fujitsu MBM29LV320TE",
 644                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 645                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 646                 .dev_size       = SIZE_4MiB,
 647                 .cmd_set        = P_ID_AMD_STD,
 648                 .nr_regions     = 2,
 649                 .regions        = {
 650                         ERASEINFO(0x10000,63),
 651                         ERASEINFO(0x02000,8)
 652                 }
 653         }, {
 654                 .mfr_id         = MANUFACTURER_FUJITSU,
 655                 .dev_id         = MBM29LV320BE,
 656                 .name           = "Fujitsu MBM29LV320BE",
 657                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 658                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 659                 .dev_size       = SIZE_4MiB,
 660                 .cmd_set        = P_ID_AMD_STD,
 661                 .nr_regions     = 2,
 662                 .regions        = {
 663                         ERASEINFO(0x02000,8),
 664                         ERASEINFO(0x10000,63)
 665                 }
 666         }, {
 667                 .mfr_id         = MANUFACTURER_FUJITSU,
 668                 .dev_id         = MBM29LV160TE,
 669                 .name           = "Fujitsu MBM29LV160TE",
 670                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 671                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 672                 .dev_size       = SIZE_2MiB,
 673                 .cmd_set        = P_ID_AMD_STD,
 674                 .nr_regions     = 4,
 675                 .regions        = {
 676                         ERASEINFO(0x10000,31),
 677                         ERASEINFO(0x08000,1),
 678                         ERASEINFO(0x02000,2),
 679                         ERASEINFO(0x04000,1)
 680                 }
 681         }, {
 682                 .mfr_id         = MANUFACTURER_FUJITSU,
 683                 .dev_id         = MBM29LV160BE,
 684                 .name           = "Fujitsu MBM29LV160BE",
 685                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 686                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 687                 .dev_size       = SIZE_2MiB,
 688                 .cmd_set        = P_ID_AMD_STD,
 689                 .nr_regions     = 4,
 690                 .regions        = {
 691                         ERASEINFO(0x04000,1),
 692                         ERASEINFO(0x02000,2),
 693                         ERASEINFO(0x08000,1),
 694                         ERASEINFO(0x10000,31)
 695                 }
 696         }, {
 697                 .mfr_id         = MANUFACTURER_FUJITSU,
 698                 .dev_id         = MBM29LV800BA,
 699                 .name           = "Fujitsu MBM29LV800BA",
 700                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 701                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 702                 .dev_size       = SIZE_1MiB,
 703                 .cmd_set        = P_ID_AMD_STD,
 704                 .nr_regions     = 4,
 705                 .regions        = {
 706                         ERASEINFO(0x04000,1),
 707                         ERASEINFO(0x02000,2),
 708                         ERASEINFO(0x08000,1),
 709                         ERASEINFO(0x10000,15)
 710                 }
 711         }, {
 712                 .mfr_id         = MANUFACTURER_FUJITSU,
 713                 .dev_id         = MBM29LV800TA,
 714                 .name           = "Fujitsu MBM29LV800TA",
 715                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 716                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 717                 .dev_size       = SIZE_1MiB,
 718                 .cmd_set        = P_ID_AMD_STD,
 719                 .nr_regions     = 4,
 720                 .regions        = {
 721                         ERASEINFO(0x10000,15),
 722                         ERASEINFO(0x08000,1),
 723                         ERASEINFO(0x02000,2),
 724                         ERASEINFO(0x04000,1)
 725                 }
 726         }, {
 727                 .mfr_id         = MANUFACTURER_FUJITSU,
 728                 .dev_id         = MBM29LV400BC,
 729                 .name           = "Fujitsu MBM29LV400BC",
 730                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 731                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 732                 .dev_size       = SIZE_512KiB,
 733                 .cmd_set        = P_ID_AMD_STD,
 734                 .nr_regions     = 4,
 735                 .regions        = {
 736                         ERASEINFO(0x04000,1),
 737                         ERASEINFO(0x02000,2),
 738                         ERASEINFO(0x08000,1),
 739                         ERASEINFO(0x10000,7)
 740                 }
 741         }, {
 742                 .mfr_id         = MANUFACTURER_FUJITSU,
 743                 .dev_id         = MBM29LV400TC,
 744                 .name           = "Fujitsu MBM29LV400TC",
 745                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 746                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 747                 .dev_size       = SIZE_512KiB,
 748                 .cmd_set        = P_ID_AMD_STD,
 749                 .nr_regions     = 4,
 750                 .regions        = {
 751                         ERASEINFO(0x10000,7),
 752                         ERASEINFO(0x08000,1),
 753                         ERASEINFO(0x02000,2),
 754                         ERASEINFO(0x04000,1)
 755                 }
 756         }, {
 757                 .mfr_id         = MANUFACTURER_HYUNDAI,
 758                 .dev_id         = HY29F002T,
 759                 .name           = "Hyundai HY29F002T",
 760                 .devtypes       = CFI_DEVICETYPE_X8,
 761                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 762                 .dev_size       = SIZE_256KiB,
 763                 .cmd_set        = P_ID_AMD_STD,
 764                 .nr_regions     = 4,
 765                 .regions        = {
 766                         ERASEINFO(0x10000,3),
 767                         ERASEINFO(0x08000,1),
 768                         ERASEINFO(0x02000,2),
 769                         ERASEINFO(0x04000,1),
 770                 }
 771         }, {
 772                 .mfr_id         = MANUFACTURER_INTEL,
 773                 .dev_id         = I28F004B3B,
 774                 .name           = "Intel 28F004B3B",
 775                 .devtypes       = CFI_DEVICETYPE_X8,
 776                 .uaddr          = MTD_UADDR_UNNECESSARY,
 777                 .dev_size       = SIZE_512KiB,
 778                 .cmd_set        = P_ID_INTEL_STD,
 779                 .nr_regions     = 2,
 780                 .regions        = {
 781                         ERASEINFO(0x02000, 8),
 782                         ERASEINFO(0x10000, 7),
 783                 }
 784         }, {
 785                 .mfr_id         = MANUFACTURER_INTEL,
 786                 .dev_id         = I28F004B3T,
 787                 .name           = "Intel 28F004B3T",
 788                 .devtypes       = CFI_DEVICETYPE_X8,
 789                 .uaddr          = MTD_UADDR_UNNECESSARY,
 790                 .dev_size       = SIZE_512KiB,
 791                 .cmd_set        = P_ID_INTEL_STD,
 792                 .nr_regions     = 2,
 793                 .regions        = {
 794                         ERASEINFO(0x10000, 7),
 795                         ERASEINFO(0x02000, 8),
 796                 }
 797         }, {
 798                 .mfr_id         = MANUFACTURER_INTEL,
 799                 .dev_id         = I28F400B3B,
 800                 .name           = "Intel 28F400B3B",
 801                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 802                 .uaddr          = MTD_UADDR_UNNECESSARY,
 803                 .dev_size       = SIZE_512KiB,
 804                 .cmd_set        = P_ID_INTEL_STD,
 805                 .nr_regions     = 2,
 806                 .regions        = {
 807                         ERASEINFO(0x02000, 8),
 808                         ERASEINFO(0x10000, 7),
 809                 }
 810         }, {
 811                 .mfr_id         = MANUFACTURER_INTEL,
 812                 .dev_id         = I28F400B3T,
 813                 .name           = "Intel 28F400B3T",
 814                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 815                 .uaddr          = MTD_UADDR_UNNECESSARY,
 816                 .dev_size       = SIZE_512KiB,
 817                 .cmd_set        = P_ID_INTEL_STD,
 818                 .nr_regions     = 2,
 819                 .regions        = {
 820                         ERASEINFO(0x10000, 7),
 821                         ERASEINFO(0x02000, 8),
 822                 }
 823         }, {
 824                 .mfr_id         = MANUFACTURER_INTEL,
 825                 .dev_id         = I28F008B3B,
 826                 .name           = "Intel 28F008B3B",
 827                 .devtypes       = CFI_DEVICETYPE_X8,
 828                 .uaddr          = MTD_UADDR_UNNECESSARY,
 829                 .dev_size       = SIZE_1MiB,
 830                 .cmd_set        = P_ID_INTEL_STD,
 831                 .nr_regions     = 2,
 832                 .regions        = {
 833                         ERASEINFO(0x02000, 8),
 834                         ERASEINFO(0x10000, 15),
 835                 }
 836         }, {
 837                 .mfr_id         = MANUFACTURER_INTEL,
 838                 .dev_id         = I28F008B3T,
 839                 .name           = "Intel 28F008B3T",
 840                 .devtypes       = CFI_DEVICETYPE_X8,
 841                 .uaddr          = MTD_UADDR_UNNECESSARY,
 842                 .dev_size       = SIZE_1MiB,
 843                 .cmd_set        = P_ID_INTEL_STD,
 844                 .nr_regions     = 2,
 845                 .regions        = {
 846                         ERASEINFO(0x10000, 15),
 847                         ERASEINFO(0x02000, 8),
 848                 }
 849         }, {
 850                 .mfr_id         = MANUFACTURER_INTEL,
 851                 .dev_id         = I28F008S5,
 852                 .name           = "Intel 28F008S5",
 853                 .devtypes       = CFI_DEVICETYPE_X8,
 854                 .uaddr          = MTD_UADDR_UNNECESSARY,
 855                 .dev_size       = SIZE_1MiB,
 856                 .cmd_set        = P_ID_INTEL_EXT,
 857                 .nr_regions     = 1,
 858                 .regions        = {
 859                         ERASEINFO(0x10000,16),
 860                 }
 861         }, {
 862                 .mfr_id         = MANUFACTURER_INTEL,
 863                 .dev_id         = I28F016S5,
 864                 .name           = "Intel 28F016S5",
 865                 .devtypes       = CFI_DEVICETYPE_X8,
 866                 .uaddr          = MTD_UADDR_UNNECESSARY,
 867                 .dev_size       = SIZE_2MiB,
 868                 .cmd_set        = P_ID_INTEL_EXT,
 869                 .nr_regions     = 1,
 870                 .regions        = {
 871                         ERASEINFO(0x10000,32),
 872                 }
 873         }, {
 874                 .mfr_id         = MANUFACTURER_INTEL,
 875                 .dev_id         = I28F008SA,
 876                 .name           = "Intel 28F008SA",
 877                 .devtypes       = CFI_DEVICETYPE_X8,
 878                 .uaddr          = MTD_UADDR_UNNECESSARY,
 879                 .dev_size       = SIZE_1MiB,
 880                 .cmd_set        = P_ID_INTEL_STD,
 881                 .nr_regions     = 1,
 882                 .regions        = {
 883                         ERASEINFO(0x10000, 16),
 884                 }
 885         }, {
 886                 .mfr_id         = MANUFACTURER_INTEL,
 887                 .dev_id         = I28F800B3B,
 888                 .name           = "Intel 28F800B3B",
 889                 .devtypes       = CFI_DEVICETYPE_X16,
 890                 .uaddr          = MTD_UADDR_UNNECESSARY,
 891                 .dev_size       = SIZE_1MiB,
 892                 .cmd_set        = P_ID_INTEL_STD,
 893                 .nr_regions     = 2,
 894                 .regions        = {
 895                         ERASEINFO(0x02000, 8),
 896                         ERASEINFO(0x10000, 15),
 897                 }
 898         }, {
 899                 .mfr_id         = MANUFACTURER_INTEL,
 900                 .dev_id         = I28F800B3T,
 901                 .name           = "Intel 28F800B3T",
 902                 .devtypes       = CFI_DEVICETYPE_X16,
 903                 .uaddr          = MTD_UADDR_UNNECESSARY,
 904                 .dev_size       = SIZE_1MiB,
 905                 .cmd_set        = P_ID_INTEL_STD,
 906                 .nr_regions     = 2,
 907                 .regions        = {
 908                         ERASEINFO(0x10000, 15),
 909                         ERASEINFO(0x02000, 8),
 910                 }
 911         }, {
 912                 .mfr_id         = MANUFACTURER_INTEL,
 913                 .dev_id         = I28F016B3B,
 914                 .name           = "Intel 28F016B3B",
 915                 .devtypes       = CFI_DEVICETYPE_X8,
 916                 .uaddr          = MTD_UADDR_UNNECESSARY,
 917                 .dev_size       = SIZE_2MiB,
 918                 .cmd_set        = P_ID_INTEL_STD,
 919                 .nr_regions     = 2,
 920                 .regions        = {
 921                         ERASEINFO(0x02000, 8),
 922                         ERASEINFO(0x10000, 31),
 923                 }
 924         }, {
 925                 .mfr_id         = MANUFACTURER_INTEL,
 926                 .dev_id         = I28F016S3,
 927                 .name           = "Intel I28F016S3",
 928                 .devtypes       = CFI_DEVICETYPE_X8,
 929                 .uaddr          = MTD_UADDR_UNNECESSARY,
 930                 .dev_size       = SIZE_2MiB,
 931                 .cmd_set        = P_ID_INTEL_STD,
 932                 .nr_regions     = 1,
 933                 .regions        = {
 934                         ERASEINFO(0x10000, 32),
 935                 }
 936         }, {
 937                 .mfr_id         = MANUFACTURER_INTEL,
 938                 .dev_id         = I28F016B3T,
 939                 .name           = "Intel 28F016B3T",
 940                 .devtypes       = CFI_DEVICETYPE_X8,
 941                 .uaddr          = MTD_UADDR_UNNECESSARY,
 942                 .dev_size       = SIZE_2MiB,
 943                 .cmd_set        = P_ID_INTEL_STD,
 944                 .nr_regions     = 2,
 945                 .regions        = {
 946                         ERASEINFO(0x10000, 31),
 947                         ERASEINFO(0x02000, 8),
 948                 }
 949         }, {
 950                 .mfr_id         = MANUFACTURER_INTEL,
 951                 .dev_id         = I28F160B3B,
 952                 .name           = "Intel 28F160B3B",
 953                 .devtypes       = CFI_DEVICETYPE_X16,
 954                 .uaddr          = MTD_UADDR_UNNECESSARY,
 955                 .dev_size       = SIZE_2MiB,
 956                 .cmd_set        = P_ID_INTEL_STD,
 957                 .nr_regions     = 2,
 958                 .regions        = {
 959                         ERASEINFO(0x02000, 8),
 960                         ERASEINFO(0x10000, 31),
 961                 }
 962         }, {
 963                 .mfr_id         = MANUFACTURER_INTEL,
 964                 .dev_id         = I28F160B3T,
 965                 .name           = "Intel 28F160B3T",
 966                 .devtypes       = CFI_DEVICETYPE_X16,
 967                 .uaddr          = MTD_UADDR_UNNECESSARY,
 968                 .dev_size       = SIZE_2MiB,
 969                 .cmd_set        = P_ID_INTEL_STD,
 970                 .nr_regions     = 2,
 971                 .regions        = {
 972                         ERASEINFO(0x10000, 31),
 973                         ERASEINFO(0x02000, 8),
 974                 }
 975         }, {
 976                 .mfr_id         = MANUFACTURER_INTEL,
 977                 .dev_id         = I28F320B3B,
 978                 .name           = "Intel 28F320B3B",
 979                 .devtypes       = CFI_DEVICETYPE_X16,
 980                 .uaddr          = MTD_UADDR_UNNECESSARY,
 981                 .dev_size       = SIZE_4MiB,
 982                 .cmd_set        = P_ID_INTEL_STD,
 983                 .nr_regions     = 2,
 984                 .regions        = {
 985                         ERASEINFO(0x02000, 8),
 986                         ERASEINFO(0x10000, 63),
 987                 }
 988         }, {
 989                 .mfr_id         = MANUFACTURER_INTEL,
 990                 .dev_id         = I28F320B3T,
 991                 .name           = "Intel 28F320B3T",
 992                 .devtypes       = CFI_DEVICETYPE_X16,
 993                 .uaddr          = MTD_UADDR_UNNECESSARY,
 994                 .dev_size       = SIZE_4MiB,
 995                 .cmd_set        = P_ID_INTEL_STD,
 996                 .nr_regions     = 2,
 997                 .regions        = {
 998                         ERASEINFO(0x10000, 63),
 999                         ERASEINFO(0x02000, 8),
1000                 }
1001         }, {
1002                 .mfr_id         = MANUFACTURER_INTEL,
1003                 .dev_id         = I28F640B3B,
1004                 .name           = "Intel 28F640B3B",
1005                 .devtypes       = CFI_DEVICETYPE_X16,
1006                 .uaddr          = MTD_UADDR_UNNECESSARY,
1007                 .dev_size       = SIZE_8MiB,
1008                 .cmd_set        = P_ID_INTEL_STD,
1009                 .nr_regions     = 2,
1010                 .regions        = {
1011                         ERASEINFO(0x02000, 8),
1012                         ERASEINFO(0x10000, 127),
1013                 }
1014         }, {
1015                 .mfr_id         = MANUFACTURER_INTEL,
1016                 .dev_id         = I28F640B3T,
1017                 .name           = "Intel 28F640B3T",
1018                 .devtypes       = CFI_DEVICETYPE_X16,
1019                 .uaddr          = MTD_UADDR_UNNECESSARY,
1020                 .dev_size       = SIZE_8MiB,
1021                 .cmd_set        = P_ID_INTEL_STD,
1022                 .nr_regions     = 2,
1023                 .regions        = {
1024                         ERASEINFO(0x10000, 127),
1025                         ERASEINFO(0x02000, 8),
1026                 }
1027         }, {
1028                 .mfr_id         = MANUFACTURER_INTEL,
1029                 .dev_id         = I82802AB,
1030                 .name           = "Intel 82802AB",
1031                 .devtypes       = CFI_DEVICETYPE_X8,
1032                 .uaddr          = MTD_UADDR_UNNECESSARY,
1033                 .dev_size       = SIZE_512KiB,
1034                 .cmd_set        = P_ID_INTEL_EXT,
1035                 .nr_regions     = 1,
1036                 .regions        = {
1037                         ERASEINFO(0x10000,8),
1038                 }
1039         }, {
1040                 .mfr_id         = MANUFACTURER_INTEL,
1041                 .dev_id         = I82802AC,
1042                 .name           = "Intel 82802AC",
1043                 .devtypes       = CFI_DEVICETYPE_X8,
1044                 .uaddr          = MTD_UADDR_UNNECESSARY,
1045                 .dev_size       = SIZE_1MiB,
1046                 .cmd_set        = P_ID_INTEL_EXT,
1047                 .nr_regions     = 1,
1048                 .regions        = {
1049                         ERASEINFO(0x10000,16),
1050                 }
1051         }, {
1052                 .mfr_id         = MANUFACTURER_MACRONIX,
1053                 .dev_id         = MX29LV040C,
1054                 .name           = "Macronix MX29LV040C",
1055                 .devtypes       = CFI_DEVICETYPE_X8,
1056                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1057                 .dev_size       = SIZE_512KiB,
1058                 .cmd_set        = P_ID_AMD_STD,
1059                 .nr_regions     = 1,
1060                 .regions        = {
1061                         ERASEINFO(0x10000,8),
1062                 }
1063         }, {
1064                 .mfr_id         = MANUFACTURER_MACRONIX,
1065                 .dev_id         = MX29LV160T,
1066                 .name           = "MXIC MX29LV160T",
1067                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1068                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1069                 .dev_size       = SIZE_2MiB,
1070                 .cmd_set        = P_ID_AMD_STD,
1071                 .nr_regions     = 4,
1072                 .regions        = {
1073                         ERASEINFO(0x10000,31),
1074                         ERASEINFO(0x08000,1),
1075                         ERASEINFO(0x02000,2),
1076                         ERASEINFO(0x04000,1)
1077                 }
1078         }, {
1079                 .mfr_id         = MANUFACTURER_NEC,
1080                 .dev_id         = UPD29F064115,
1081                 .name           = "NEC uPD29F064115",
1082                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1083                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1084                 .dev_size       = SIZE_8MiB,
1085                 .cmd_set        = P_ID_AMD_STD,
1086                 .nr_regions     = 3,
1087                 .regions        = {
1088                         ERASEINFO(0x2000,8),
1089                         ERASEINFO(0x10000,126),
1090                         ERASEINFO(0x2000,8),
1091                 }
1092         }, {
1093                 .mfr_id         = MANUFACTURER_MACRONIX,
1094                 .dev_id         = MX29LV160B,
1095                 .name           = "MXIC MX29LV160B",
1096                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1097                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1098                 .dev_size       = SIZE_2MiB,
1099                 .cmd_set        = P_ID_AMD_STD,
1100                 .nr_regions     = 4,
1101                 .regions        = {
1102                         ERASEINFO(0x04000,1),
1103                         ERASEINFO(0x02000,2),
1104                         ERASEINFO(0x08000,1),
1105                         ERASEINFO(0x10000,31)
1106                 }
1107         }, {
1108                 .mfr_id         = MANUFACTURER_MACRONIX,
1109                 .dev_id         = MX29F040,
1110                 .name           = "Macronix MX29F040",
1111                 .devtypes       = CFI_DEVICETYPE_X8,
1112                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1113                 .dev_size       = SIZE_512KiB,
1114                 .cmd_set        = P_ID_AMD_STD,
1115                 .nr_regions     = 1,
1116                 .regions        = {
1117                         ERASEINFO(0x10000,8),
1118                 }
1119         }, {
1120                 .mfr_id         = MANUFACTURER_MACRONIX,
1121                 .dev_id         = MX29F016,
1122                 .name           = "Macronix MX29F016",
1123                 .devtypes       = CFI_DEVICETYPE_X8,
1124                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1125                 .dev_size       = SIZE_2MiB,
1126                 .cmd_set        = P_ID_AMD_STD,
1127                 .nr_regions     = 1,
1128                 .regions        = {
1129                         ERASEINFO(0x10000,32),
1130                 }
1131         }, {
1132                 .mfr_id         = MANUFACTURER_MACRONIX,
1133                 .dev_id         = MX29F004T,
1134                 .name           = "Macronix MX29F004T",
1135                 .devtypes       = CFI_DEVICETYPE_X8,
1136                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1137                 .dev_size       = SIZE_512KiB,
1138                 .cmd_set        = P_ID_AMD_STD,
1139                 .nr_regions     = 4,
1140                 .regions        = {
1141                         ERASEINFO(0x10000,7),
1142                         ERASEINFO(0x08000,1),
1143                         ERASEINFO(0x02000,2),
1144                         ERASEINFO(0x04000,1),
1145                 }
1146         }, {
1147                 .mfr_id         = MANUFACTURER_MACRONIX,
1148                 .dev_id         = MX29F004B,
1149                 .name           = "Macronix MX29F004B",
1150                 .devtypes       = CFI_DEVICETYPE_X8,
1151                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1152                 .dev_size       = SIZE_512KiB,
1153                 .cmd_set        = P_ID_AMD_STD,
1154                 .nr_regions     = 4,
1155                 .regions        = {
1156                         ERASEINFO(0x04000,1),
1157                         ERASEINFO(0x02000,2),
1158                         ERASEINFO(0x08000,1),
1159                         ERASEINFO(0x10000,7),
1160                 }
1161         }, {
1162                 .mfr_id         = MANUFACTURER_MACRONIX,
1163                 .dev_id         = MX29F002T,
1164                 .name           = "Macronix MX29F002T",
1165                 .devtypes       = CFI_DEVICETYPE_X8,
1166                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1167                 .dev_size       = SIZE_256KiB,
1168                 .cmd_set        = P_ID_AMD_STD,
1169                 .nr_regions     = 4,
1170                 .regions        = {
1171                         ERASEINFO(0x10000,3),
1172                         ERASEINFO(0x08000,1),
1173                         ERASEINFO(0x02000,2),
1174                         ERASEINFO(0x04000,1),
1175                 }
1176         }, {
1177                 .mfr_id         = MANUFACTURER_PMC,
1178                 .dev_id         = PM49FL002,
1179                 .name           = "PMC Pm49FL002",
1180                 .devtypes       = CFI_DEVICETYPE_X8,
1181                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1182                 .dev_size       = SIZE_256KiB,
1183                 .cmd_set        = P_ID_AMD_STD,
1184                 .nr_regions     = 1,
1185                 .regions        = {
1186                         ERASEINFO( 0x01000, 64 )
1187                 }
1188         }, {
1189                 .mfr_id         = MANUFACTURER_PMC,
1190                 .dev_id         = PM49FL004,
1191                 .name           = "PMC Pm49FL004",
1192                 .devtypes       = CFI_DEVICETYPE_X8,
1193                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1194                 .dev_size       = SIZE_512KiB,
1195                 .cmd_set        = P_ID_AMD_STD,
1196                 .nr_regions     = 1,
1197                 .regions        = {
1198                         ERASEINFO( 0x01000, 128 )
1199                 }
1200         }, {
1201                 .mfr_id         = MANUFACTURER_PMC,
1202                 .dev_id         = PM49FL008,
1203                 .name           = "PMC Pm49FL008",
1204                 .devtypes       = CFI_DEVICETYPE_X8,
1205                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1206                 .dev_size       = SIZE_1MiB,
1207                 .cmd_set        = P_ID_AMD_STD,
1208                 .nr_regions     = 1,
1209                 .regions        = {
1210                         ERASEINFO( 0x01000, 256 )
1211                 }
1212         }, {
1213                 .mfr_id         = MANUFACTURER_SHARP,
1214                 .dev_id         = LH28F640BF,
1215                 .name           = "LH28F640BF",
1216                 .devtypes       = CFI_DEVICETYPE_X8,
1217                 .uaddr          = MTD_UADDR_UNNECESSARY,
1218                 .dev_size       = SIZE_4MiB,
1219                 .cmd_set        = P_ID_INTEL_STD,
1220                 .nr_regions     = 1,
1221                 .regions        = {
1222                         ERASEINFO(0x40000,16),
1223                 }
1224         }, {
1225                 .mfr_id         = MANUFACTURER_SST,
1226                 .dev_id         = SST39LF512,
1227                 .name           = "SST 39LF512",
1228                 .devtypes       = CFI_DEVICETYPE_X8,
1229                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1230                 .dev_size       = SIZE_64KiB,
1231                 .cmd_set        = P_ID_AMD_STD,
1232                 .nr_regions     = 1,
1233                 .regions        = {
1234                         ERASEINFO(0x01000,16),
1235                 }
1236         }, {
1237                 .mfr_id         = MANUFACTURER_SST,
1238                 .dev_id         = SST39LF010,
1239                 .name           = "SST 39LF010",
1240                 .devtypes       = CFI_DEVICETYPE_X8,
1241                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1242                 .dev_size       = SIZE_128KiB,
1243                 .cmd_set        = P_ID_AMD_STD,
1244                 .nr_regions     = 1,
1245                 .regions        = {
1246                         ERASEINFO(0x01000,32),
1247                 }
1248         }, {
1249                 .mfr_id         = MANUFACTURER_SST,
1250                 .dev_id         = SST29EE020,
1251                 .name           = "SST 29EE020",
1252                 .devtypes       = CFI_DEVICETYPE_X8,
1253                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1254                 .dev_size       = SIZE_256KiB,
1255                 .cmd_set        = P_ID_SST_PAGE,
1256                 .nr_regions     = 1,
1257                 .regions = {ERASEINFO(0x01000,64),
1258                 }
1259         }, {
1260                 .mfr_id         = MANUFACTURER_SST,
1261                 .dev_id         = SST29LE020,
1262                 .name           = "SST 29LE020",
1263                 .devtypes       = CFI_DEVICETYPE_X8,
1264                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1265                 .dev_size       = SIZE_256KiB,
1266                 .cmd_set        = P_ID_SST_PAGE,
1267                 .nr_regions     = 1,
1268                 .regions = {ERASEINFO(0x01000,64),
1269                 }
1270         }, {
1271                 .mfr_id         = MANUFACTURER_SST,
1272                 .dev_id         = SST39LF020,
1273                 .name           = "SST 39LF020",
1274                 .devtypes       = CFI_DEVICETYPE_X8,
1275                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1276                 .dev_size       = SIZE_256KiB,
1277                 .cmd_set        = P_ID_AMD_STD,
1278                 .nr_regions     = 1,
1279                 .regions        = {
1280                         ERASEINFO(0x01000,64),
1281                 }
1282         }, {
1283                 .mfr_id         = MANUFACTURER_SST,
1284                 .dev_id         = SST39LF040,
1285                 .name           = "SST 39LF040",
1286                 .devtypes       = CFI_DEVICETYPE_X8,
1287                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1288                 .dev_size       = SIZE_512KiB,
1289                 .cmd_set        = P_ID_AMD_STD,
1290                 .nr_regions     = 1,
1291                 .regions        = {
1292                         ERASEINFO(0x01000,128),
1293                 }
1294         }, {
1295                 .mfr_id         = MANUFACTURER_SST,
1296                 .dev_id         = SST39SF010A,
1297                 .name           = "SST 39SF010A",
1298                 .devtypes       = CFI_DEVICETYPE_X8,
1299                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1300                 .dev_size       = SIZE_128KiB,
1301                 .cmd_set        = P_ID_AMD_STD,
1302                 .nr_regions     = 1,
1303                 .regions        = {
1304                         ERASEINFO(0x01000,32),
1305                 }
1306         }, {
1307                 .mfr_id         = MANUFACTURER_SST,
1308                 .dev_id         = SST39SF020A,
1309                 .name           = "SST 39SF020A",
1310                 .devtypes       = CFI_DEVICETYPE_X8,
1311                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1312                 .dev_size       = SIZE_256KiB,
1313                 .cmd_set        = P_ID_AMD_STD,
1314                 .nr_regions     = 1,
1315                 .regions        = {
1316                         ERASEINFO(0x01000,64),
1317                 }
1318         }, {
1319                 .mfr_id         = MANUFACTURER_SST,
1320                 .dev_id         = SST49LF040B,
1321                 .name           = "SST 49LF040B",
1322                 .devtypes       = CFI_DEVICETYPE_X8,
1323                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1324                 .dev_size       = SIZE_512KiB,
1325                 .cmd_set        = P_ID_AMD_STD,
1326                 .nr_regions     = 1,
1327                 .regions        = {
1328                         ERASEINFO(0x01000,128),
1329                 }
1330         }, {
1331
1332                 .mfr_id         = MANUFACTURER_SST,
1333                 .dev_id         = SST49LF004B,
1334                 .name           = "SST 49LF004B",
1335                 .devtypes       = CFI_DEVICETYPE_X8,
1336                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1337                 .dev_size       = SIZE_512KiB,
1338                 .cmd_set        = P_ID_AMD_STD,
1339                 .nr_regions     = 1,
1340                 .regions        = {
1341                         ERASEINFO(0x01000,128),
1342                 }
1343         }, {
1344                 .mfr_id         = MANUFACTURER_SST,
1345                 .dev_id         = SST49LF008A,
1346                 .name           = "SST 49LF008A",
1347                 .devtypes       = CFI_DEVICETYPE_X8,
1348                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1349                 .dev_size       = SIZE_1MiB,
1350                 .cmd_set        = P_ID_AMD_STD,
1351                 .nr_regions     = 1,
1352                 .regions        = {
1353                         ERASEINFO(0x01000,256),
1354                 }
1355         }, {
1356                 .mfr_id         = MANUFACTURER_SST,
1357                 .dev_id         = SST49LF030A,
1358                 .name           = "SST 49LF030A",
1359                 .devtypes       = CFI_DEVICETYPE_X8,
1360                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1361                 .dev_size       = SIZE_512KiB,
1362                 .cmd_set        = P_ID_AMD_STD,
1363                 .nr_regions     = 1,
1364                 .regions        = {
1365                         ERASEINFO(0x01000,96),
1366                 }
1367         }, {
1368                 .mfr_id         = MANUFACTURER_SST,
1369                 .dev_id         = SST49LF040A,
1370                 .name           = "SST 49LF040A",
1371                 .devtypes       = CFI_DEVICETYPE_X8,
1372                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1373                 .dev_size       = SIZE_512KiB,
1374                 .cmd_set        = P_ID_AMD_STD,
1375                 .nr_regions     = 1,
1376                 .regions        = {
1377                         ERASEINFO(0x01000,128),
1378                 }
1379         }, {
1380                 .mfr_id         = MANUFACTURER_SST,
1381                 .dev_id         = SST49LF080A,
1382                 .name           = "SST 49LF080A",
1383                 .devtypes       = CFI_DEVICETYPE_X8,
1384                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1385                 .dev_size       = SIZE_1MiB,
1386                 .cmd_set        = P_ID_AMD_STD,
1387                 .nr_regions     = 1,
1388                 .regions        = {
1389                         ERASEINFO(0x01000,256),
1390                 }
1391         }, {
1392                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1393                 .dev_id         = SST39LF160,
1394                 .name           = "SST 39LF160",
1395                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1396                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1397                 .dev_size       = SIZE_2MiB,
1398                 .cmd_set        = P_ID_AMD_STD,
1399                 .nr_regions     = 2,
1400                 .regions        = {
1401                         ERASEINFO(0x1000,256),
1402                         ERASEINFO(0x1000,256)
1403                 }
1404         }, {
1405                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1406                 .dev_id         = SST39VF1601,
1407                 .name           = "SST 39VF1601",
1408                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1409                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1410                 .dev_size       = SIZE_2MiB,
1411                 .cmd_set        = P_ID_AMD_STD,
1412                 .nr_regions     = 2,
1413                 .regions        = {
1414                         ERASEINFO(0x1000,256),
1415                         ERASEINFO(0x1000,256)
1416                 }
1417         }, {
1418                 .mfr_id         = MANUFACTURER_SST,
1419                 .dev_id         = SST36VF3203,
1420                 .name           = "SST 36VF3203",
1421                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1422                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1423                 .dev_size       = SIZE_4MiB,
1424                 .cmd_set        = P_ID_AMD_STD,
1425                 .nr_regions     = 1,
1426                 .regions        = {
1427                         ERASEINFO(0x10000,64),
1428                 }
1429         }, {
1430                 .mfr_id         = MANUFACTURER_ST,
1431                 .dev_id         = M29F800AB,
1432                 .name           = "ST M29F800AB",
1433                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1434                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1435                 .dev_size       = SIZE_1MiB,
1436                 .cmd_set        = P_ID_AMD_STD,
1437                 .nr_regions     = 4,
1438                 .regions        = {
1439                         ERASEINFO(0x04000,1),
1440                         ERASEINFO(0x02000,2),
1441                         ERASEINFO(0x08000,1),
1442                         ERASEINFO(0x10000,15),
1443                 }
1444         }, {
1445                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1446                 .dev_id         = M29W800DT,
1447                 .name           = "ST M29W800DT",
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(0x10000,15),
1455                         ERASEINFO(0x08000,1),
1456                         ERASEINFO(0x02000,2),
1457                         ERASEINFO(0x04000,1)
1458                 }
1459         }, {
1460                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1461                 .dev_id         = M29W800DB,
1462                 .name           = "ST M29W800DB",
1463                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1464                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1465                 .dev_size       = SIZE_1MiB,
1466                 .cmd_set        = P_ID_AMD_STD,
1467                 .nr_regions     = 4,
1468                 .regions        = {
1469                         ERASEINFO(0x04000,1),
1470                         ERASEINFO(0x02000,2),
1471                         ERASEINFO(0x08000,1),
1472                         ERASEINFO(0x10000,15)
1473                 }
1474         },  {
1475                 .mfr_id         = MANUFACTURER_ST,
1476                 .dev_id         = M29W400DT,
1477                 .name           = "ST M29W400DT",
1478                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1479                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1480                 .dev_size       = SIZE_512KiB,
1481                 .cmd_set        = P_ID_AMD_STD,
1482                 .nr_regions     = 4,
1483                 .regions        = {
1484                         ERASEINFO(0x04000,7),
1485                         ERASEINFO(0x02000,1),
1486                         ERASEINFO(0x08000,2),
1487                         ERASEINFO(0x10000,1)
1488                 }
1489         }, {
1490                 .mfr_id         = MANUFACTURER_ST,
1491                 .dev_id         = M29W400DB,
1492                 .name           = "ST M29W400DB",
1493                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1494                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1495                 .dev_size       = SIZE_512KiB,
1496                 .cmd_set        = P_ID_AMD_STD,
1497                 .nr_regions     = 4,
1498                 .regions        = {
1499                         ERASEINFO(0x04000,1),
1500                         ERASEINFO(0x02000,2),
1501                         ERASEINFO(0x08000,1),
1502                         ERASEINFO(0x10000,7)
1503                 }
1504         }, {
1505                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1506                 .dev_id         = M29W160DT,
1507                 .name           = "ST M29W160DT",
1508                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1509                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1510                 .dev_size       = SIZE_2MiB,
1511                 .cmd_set        = P_ID_AMD_STD,
1512                 .nr_regions     = 4,
1513                 .regions        = {
1514                         ERASEINFO(0x10000,31),
1515                         ERASEINFO(0x08000,1),
1516                         ERASEINFO(0x02000,2),
1517                         ERASEINFO(0x04000,1)
1518                 }
1519         }, {
1520                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1521                 .dev_id         = M29W160DB,
1522                 .name           = "ST M29W160DB",
1523                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1524                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1525                 .dev_size       = SIZE_2MiB,
1526                 .cmd_set        = P_ID_AMD_STD,
1527                 .nr_regions     = 4,
1528                 .regions        = {
1529                         ERASEINFO(0x04000,1),
1530                         ERASEINFO(0x02000,2),
1531                         ERASEINFO(0x08000,1),
1532                         ERASEINFO(0x10000,31)
1533                 }
1534         }, {
1535                 .mfr_id         = MANUFACTURER_ST,
1536                 .dev_id         = M29W040B,
1537                 .name           = "ST M29W040B",
1538                 .devtypes       = CFI_DEVICETYPE_X8,
1539                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1540                 .dev_size       = SIZE_512KiB,
1541                 .cmd_set        = P_ID_AMD_STD,
1542                 .nr_regions     = 1,
1543                 .regions        = {
1544                         ERASEINFO(0x10000,8),
1545                 }
1546         }, {
1547                 .mfr_id         = MANUFACTURER_ST,
1548                 .dev_id         = M50FW040,
1549                 .name           = "ST M50FW040",
1550                 .devtypes       = CFI_DEVICETYPE_X8,
1551                 .uaddr          = MTD_UADDR_UNNECESSARY,
1552                 .dev_size       = SIZE_512KiB,
1553                 .cmd_set        = P_ID_INTEL_EXT,
1554                 .nr_regions     = 1,
1555                 .regions        = {
1556                         ERASEINFO(0x10000,8),
1557                 }
1558         }, {
1559                 .mfr_id         = MANUFACTURER_ST,
1560                 .dev_id         = M50FW080,
1561                 .name           = "ST M50FW080",
1562                 .devtypes       = CFI_DEVICETYPE_X8,
1563                 .uaddr          = MTD_UADDR_UNNECESSARY,
1564                 .dev_size       = SIZE_1MiB,
1565                 .cmd_set        = P_ID_INTEL_EXT,
1566                 .nr_regions     = 1,
1567                 .regions        = {
1568                         ERASEINFO(0x10000,16),
1569                 }
1570         }, {
1571                 .mfr_id         = MANUFACTURER_ST,
1572                 .dev_id         = M50FW016,
1573                 .name           = "ST M50FW016",
1574                 .devtypes       = CFI_DEVICETYPE_X8,
1575                 .uaddr          = MTD_UADDR_UNNECESSARY,
1576                 .dev_size       = SIZE_2MiB,
1577                 .cmd_set        = P_ID_INTEL_EXT,
1578                 .nr_regions     = 1,
1579                 .regions        = {
1580                         ERASEINFO(0x10000,32),
1581                 }
1582         }, {
1583                 .mfr_id         = MANUFACTURER_ST,
1584                 .dev_id         = M50LPW080,
1585                 .name           = "ST M50LPW080",
1586                 .devtypes       = CFI_DEVICETYPE_X8,
1587                 .uaddr          = MTD_UADDR_UNNECESSARY,
1588                 .dev_size       = SIZE_1MiB,
1589                 .cmd_set        = P_ID_INTEL_EXT,
1590                 .nr_regions     = 1,
1591                 .regions        = {
1592                         ERASEINFO(0x10000,16),
1593                 }
1594         }, {
1595                 .mfr_id         = MANUFACTURER_TOSHIBA,
1596                 .dev_id         = TC58FVT160,
1597                 .name           = "Toshiba TC58FVT160",
1598                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1599                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1600                 .dev_size       = SIZE_2MiB,
1601                 .cmd_set        = P_ID_AMD_STD,
1602                 .nr_regions     = 4,
1603                 .regions        = {
1604                         ERASEINFO(0x10000,31),
1605                         ERASEINFO(0x08000,1),
1606                         ERASEINFO(0x02000,2),
1607                         ERASEINFO(0x04000,1)
1608                 }
1609         }, {
1610                 .mfr_id         = MANUFACTURER_TOSHIBA,
1611                 .dev_id         = TC58FVB160,
1612                 .name           = "Toshiba TC58FVB160",
1613                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1614                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1615                 .dev_size       = SIZE_2MiB,
1616                 .cmd_set        = P_ID_AMD_STD,
1617                 .nr_regions     = 4,
1618                 .regions        = {
1619                         ERASEINFO(0x04000,1),
1620                         ERASEINFO(0x02000,2),
1621                         ERASEINFO(0x08000,1),
1622                         ERASEINFO(0x10000,31)
1623                 }
1624         }, {
1625                 .mfr_id         = MANUFACTURER_TOSHIBA,
1626                 .dev_id         = TC58FVB321,
1627                 .name           = "Toshiba TC58FVB321",
1628                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1629                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1630                 .dev_size       = SIZE_4MiB,
1631                 .cmd_set        = P_ID_AMD_STD,
1632                 .nr_regions     = 2,
1633                 .regions        = {
1634                         ERASEINFO(0x02000,8),
1635                         ERASEINFO(0x10000,63)
1636                 }
1637         }, {
1638                 .mfr_id         = MANUFACTURER_TOSHIBA,
1639                 .dev_id         = TC58FVT321,
1640                 .name           = "Toshiba TC58FVT321",
1641                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1642                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1643                 .dev_size       = SIZE_4MiB,
1644                 .cmd_set        = P_ID_AMD_STD,
1645                 .nr_regions     = 2,
1646                 .regions        = {
1647                         ERASEINFO(0x10000,63),
1648                         ERASEINFO(0x02000,8)
1649                 }
1650         }, {
1651                 .mfr_id         = MANUFACTURER_TOSHIBA,
1652                 .dev_id         = TC58FVB641,
1653                 .name           = "Toshiba TC58FVB641",
1654                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1655                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1656                 .dev_size       = SIZE_8MiB,
1657                 .cmd_set        = P_ID_AMD_STD,
1658                 .nr_regions     = 2,
1659                 .regions        = {
1660                         ERASEINFO(0x02000,8),
1661                         ERASEINFO(0x10000,127)
1662                 }
1663         }, {
1664                 .mfr_id         = MANUFACTURER_TOSHIBA,
1665                 .dev_id         = TC58FVT641,
1666                 .name           = "Toshiba TC58FVT641",
1667                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1668                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1669                 .dev_size       = SIZE_8MiB,
1670                 .cmd_set        = P_ID_AMD_STD,
1671                 .nr_regions     = 2,
1672                 .regions        = {
1673                         ERASEINFO(0x10000,127),
1674                         ERASEINFO(0x02000,8)
1675                 }
1676         }, {
1677                 .mfr_id         = MANUFACTURER_WINBOND,
1678                 .dev_id         = W49V002A,
1679                 .name           = "Winbond W49V002A",
1680                 .devtypes       = CFI_DEVICETYPE_X8,
1681                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1682                 .dev_size       = SIZE_256KiB,
1683                 .cmd_set        = P_ID_AMD_STD,
1684                 .nr_regions     = 4,
1685                 .regions        = {
1686                         ERASEINFO(0x10000, 3),
1687                         ERASEINFO(0x08000, 1),
1688                         ERASEINFO(0x02000, 2),
1689                         ERASEINFO(0x04000, 1),
1690                 }
1691         }
1692 };
1693
1694 static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1695         struct cfi_private *cfi)
1696 {
1697         map_word result;
1698         unsigned long mask;
1699         u32 ofs = cfi_build_cmd_addr(0, cfi_interleave(cfi), cfi->device_type);
1700         mask = (1 << (cfi->device_type * 8)) -1;
1701         result = map_read(map, base + ofs);
1702         return result.x[0] & mask;
1703 }
1704
1705 static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1706         struct cfi_private *cfi)
1707 {
1708         map_word result;
1709         unsigned long mask;
1710         u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type);
1711         mask = (1 << (cfi->device_type * 8)) -1;
1712         result = map_read(map, base + ofs);
1713         return result.x[0] & mask;
1714 }
1715
1716 static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi)
1717 {
1718         /* Reset */
1719
1720         /* after checking the datasheets for SST, MACRONIX and ATMEL
1721          * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1722          * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1723          * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1724          * as they will ignore the writes and dont care what address
1725          * the F0 is written to */
1726         if (cfi->addr_unlock1) {
1727                 DEBUG( MTD_DEBUG_LEVEL3,
1728                        "reset unlock called %x %x \n",
1729                        cfi->addr_unlock1,cfi->addr_unlock2);
1730                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1731                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1732         }
1733
1734         cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1735         /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1736          * so ensure we're in read mode.  Send both the Intel and the AMD command
1737          * for this.  Intel uses 0xff for this, AMD uses 0xff for NOP, so
1738          * this should be safe.
1739          */
1740         cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1741         /* FIXME - should have reset delay before continuing */
1742 }
1743
1744
1745 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1746 {
1747         int i,num_erase_regions;
1748         uint8_t uaddr;
1749
1750         if (! (jedec_table[index].devtypes & p_cfi->device_type)) {
1751                 DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n",
1752                       jedec_table[index].name, 4 * (1<<p_cfi->device_type));
1753                 return 0;
1754         }
1755
1756         printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1757
1758         num_erase_regions = jedec_table[index].nr_regions;
1759
1760         p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1761         if (!p_cfi->cfiq) {
1762                 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1763                 return 0;
1764         }
1765
1766         memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1767
1768         p_cfi->cfiq->P_ID = jedec_table[index].cmd_set;
1769         p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions;
1770         p_cfi->cfiq->DevSize = jedec_table[index].dev_size;
1771         p_cfi->cfi_mode = CFI_MODE_JEDEC;
1772
1773         for (i=0; i<num_erase_regions; i++){
1774                 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1775         }
1776         p_cfi->cmdset_priv = NULL;
1777
1778         /* This may be redundant for some cases, but it doesn't hurt */
1779         p_cfi->mfr = jedec_table[index].mfr_id;
1780         p_cfi->id = jedec_table[index].dev_id;
1781
1782         uaddr = jedec_table[index].uaddr;
1783
1784         /* The table has unlock addresses in _bytes_, and we try not to let
1785            our brains explode when we see the datasheets talking about address
1786            lines numbered from A-1 to A18. The CFI table has unlock addresses
1787            in device-words according to the mode the device is connected in */
1788         p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type;
1789         p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type;
1790
1791         return 1;       /* ok */
1792 }
1793
1794
1795 /*
1796  * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1797  * the mapped address, unlock addresses, and proper chip ID.  This function
1798  * attempts to minimize errors.  It is doubtfull that this probe will ever
1799  * be perfect - consequently there should be some module parameters that
1800  * could be manually specified to force the chip info.
1801  */
1802 static inline int jedec_match( uint32_t base,
1803                                struct map_info *map,
1804                                struct cfi_private *cfi,
1805                                const struct amd_flash_info *finfo )
1806 {
1807         int rc = 0;           /* failure until all tests pass */
1808         u32 mfr, id;
1809         uint8_t uaddr;
1810
1811         /*
1812          * The IDs must match.  For X16 and X32 devices operating in
1813          * a lower width ( X8 or X16 ), the device ID's are usually just
1814          * the lower byte(s) of the larger device ID for wider mode.  If
1815          * a part is found that doesn't fit this assumption (device id for
1816          * smaller width mode is completely unrealated to full-width mode)
1817          * then the jedec_table[] will have to be augmented with the IDs
1818          * for different widths.
1819          */
1820         switch (cfi->device_type) {
1821         case CFI_DEVICETYPE_X8:
1822                 mfr = (uint8_t)finfo->mfr_id;
1823                 id = (uint8_t)finfo->dev_id;
1824
1825                 /* bjd: it seems that if we do this, we can end up
1826                  * detecting 16bit flashes as an 8bit device, even though
1827                  * there aren't.
1828                  */
1829                 if (finfo->dev_id > 0xff) {
1830                         DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1831                                __func__);
1832                         goto match_done;
1833                 }
1834                 break;
1835         case CFI_DEVICETYPE_X16:
1836                 mfr = (uint16_t)finfo->mfr_id;
1837                 id = (uint16_t)finfo->dev_id;
1838                 break;
1839         case CFI_DEVICETYPE_X32:
1840                 mfr = (uint16_t)finfo->mfr_id;
1841                 id = (uint32_t)finfo->dev_id;
1842                 break;
1843         default:
1844                 printk(KERN_WARNING
1845                        "MTD %s(): Unsupported device type %d\n",
1846                        __func__, cfi->device_type);
1847                 goto match_done;
1848         }
1849         if ( cfi->mfr != mfr || cfi->id != id ) {
1850                 goto match_done;
1851         }
1852
1853         /* the part size must fit in the memory window */
1854         DEBUG( MTD_DEBUG_LEVEL3,
1855                "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1856                __func__, base, 1 << finfo->dev_size, base + (1 << finfo->dev_size) );
1857         if ( base + cfi_interleave(cfi) * ( 1 << finfo->dev_size ) > map->size ) {
1858                 DEBUG( MTD_DEBUG_LEVEL3,
1859                        "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1860                        __func__, finfo->mfr_id, finfo->dev_id,
1861                        1 << finfo->dev_size );
1862                 goto match_done;
1863         }
1864
1865         if (! (finfo->devtypes & cfi->device_type))
1866                 goto match_done;
1867
1868         uaddr = finfo->uaddr;
1869
1870         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
1871                __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
1872         if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
1873              && ( unlock_addrs[uaddr].addr1 / cfi->device_type != cfi->addr_unlock1 ||
1874                   unlock_addrs[uaddr].addr2 / cfi->device_type != cfi->addr_unlock2 ) ) {
1875                 DEBUG( MTD_DEBUG_LEVEL3,
1876                         "MTD %s(): 0x%.4x 0x%.4x did not match\n",
1877                         __func__,
1878                         unlock_addrs[uaddr].addr1,
1879                         unlock_addrs[uaddr].addr2);
1880                 goto match_done;
1881         }
1882
1883         /*
1884          * Make sure the ID's dissappear when the device is taken out of
1885          * ID mode.  The only time this should fail when it should succeed
1886          * is when the ID's are written as data to the same
1887          * addresses.  For this rare and unfortunate case the chip
1888          * cannot be probed correctly.
1889          * FIXME - write a driver that takes all of the chip info as
1890          * module parameters, doesn't probe but forces a load.
1891          */
1892         DEBUG( MTD_DEBUG_LEVEL3,
1893                "MTD %s(): check ID's disappear when not in ID mode\n",
1894                __func__ );
1895         jedec_reset( base, map, cfi );
1896         mfr = jedec_read_mfr( map, base, cfi );
1897         id = jedec_read_id( map, base, cfi );
1898         if ( mfr == cfi->mfr && id == cfi->id ) {
1899                 DEBUG( MTD_DEBUG_LEVEL3,
1900                        "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
1901                        "You might need to manually specify JEDEC parameters.\n",
1902                         __func__, cfi->mfr, cfi->id );
1903                 goto match_done;
1904         }
1905
1906         /* all tests passed - mark  as success */
1907         rc = 1;
1908
1909         /*
1910          * Put the device back in ID mode - only need to do this if we
1911          * were truly frobbing a real device.
1912          */
1913         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
1914         if (cfi->addr_unlock1) {
1915                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1916                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1917         }
1918         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1919         /* FIXME - should have a delay before continuing */
1920
1921  match_done:
1922         return rc;
1923 }
1924
1925
1926 static int jedec_probe_chip(struct map_info *map, __u32 base,
1927                             unsigned long *chip_map, struct cfi_private *cfi)
1928 {
1929         int i;
1930         enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
1931         u32 probe_offset1, probe_offset2;
1932
1933  retry:
1934         if (!cfi->numchips) {
1935                 uaddr_idx++;
1936
1937                 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
1938                         return 0;
1939
1940                 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1 / cfi->device_type;
1941                 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2 / cfi->device_type;
1942         }
1943
1944         /* Make certain we aren't probing past the end of map */
1945         if (base >= map->size) {
1946                 printk(KERN_NOTICE
1947                         "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
1948                         base, map->size -1);
1949                 return 0;
1950
1951         }
1952         /* Ensure the unlock addresses we try stay inside the map */
1953         probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, cfi_interleave(cfi), cfi->device_type);
1954         probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, cfi_interleave(cfi), cfi->device_type);
1955         if (    ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
1956                 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
1957                 goto retry;
1958
1959         /* Reset */
1960         jedec_reset(base, map, cfi);
1961
1962         /* Autoselect Mode */
1963         if(cfi->addr_unlock1) {
1964                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1965                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1966         }
1967         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1968         /* FIXME - should have a delay before continuing */
1969
1970         if (!cfi->numchips) {
1971                 /* This is the first time we're called. Set up the CFI
1972                    stuff accordingly and return */
1973
1974                 cfi->mfr = jedec_read_mfr(map, base, cfi);
1975                 cfi->id = jedec_read_id(map, base, cfi);
1976                 DEBUG(MTD_DEBUG_LEVEL3,
1977                       "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
1978                         cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
1979                 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
1980                         if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
1981                                 DEBUG( MTD_DEBUG_LEVEL3,
1982                                        "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
1983                                        __func__, cfi->mfr, cfi->id,
1984                                        cfi->addr_unlock1, cfi->addr_unlock2 );
1985                                 if (!cfi_jedec_setup(cfi, i))
1986                                         return 0;
1987                                 goto ok_out;
1988                         }
1989                 }
1990                 goto retry;
1991         } else {
1992                 uint16_t mfr;
1993                 uint16_t id;
1994
1995                 /* Make sure it is a chip of the same manufacturer and id */
1996                 mfr = jedec_read_mfr(map, base, cfi);
1997                 id = jedec_read_id(map, base, cfi);
1998
1999                 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2000                         printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2001                                map->name, mfr, id, base);
2002                         jedec_reset(base, map, cfi);
2003                         return 0;
2004                 }
2005         }
2006
2007         /* Check each previous chip locations to see if it's an alias */
2008         for (i=0; i < (base >> cfi->chipshift); i++) {
2009                 unsigned long start;
2010                 if(!test_bit(i, chip_map)) {
2011                         continue; /* Skip location; no valid chip at this address */
2012                 }
2013                 start = i << cfi->chipshift;
2014                 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2015                     jedec_read_id(map, start, cfi) == cfi->id) {
2016                         /* Eep. This chip also looks like it's in autoselect mode.
2017                            Is it an alias for the new one? */
2018                         jedec_reset(start, map, cfi);
2019
2020                         /* If the device IDs go away, it's an alias */
2021                         if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2022                             jedec_read_id(map, base, cfi) != cfi->id) {
2023                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2024                                        map->name, base, start);
2025                                 return 0;
2026                         }
2027
2028                         /* Yes, it's actually got the device IDs as data. Most
2029                          * unfortunate. Stick the new chip in read mode
2030                          * too and if it's the same, assume it's an alias. */
2031                         /* FIXME: Use other modes to do a proper check */
2032                         jedec_reset(base, map, cfi);
2033                         if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2034                             jedec_read_id(map, base, cfi) == cfi->id) {
2035                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2036                                        map->name, base, start);
2037                                 return 0;
2038                         }
2039                 }
2040         }
2041
2042         /* OK, if we got to here, then none of the previous chips appear to
2043            be aliases for the current one. */
2044         set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2045         cfi->numchips++;
2046
2047 ok_out:
2048         /* Put it back into Read Mode */
2049         jedec_reset(base, map, cfi);
2050
2051         printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2052                map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2053                map->bankwidth*8);
2054
2055         return 1;
2056 }
2057
2058 static struct chip_probe jedec_chip_probe = {
2059         .name = "JEDEC",
2060         .probe_chip = jedec_probe_chip
2061 };
2062
2063 static struct mtd_info *jedec_probe(struct map_info *map)
2064 {
2065         /*
2066          * Just use the generic probe stuff to call our CFI-specific
2067          * chip_probe routine in all the possible permutations, etc.
2068          */
2069         return mtd_do_chip_probe(map, &jedec_chip_probe);
2070 }
2071
2072 static struct mtd_chip_driver jedec_chipdrv = {
2073         .probe  = jedec_probe,
2074         .name   = "jedec_probe",
2075         .module = THIS_MODULE
2076 };
2077
2078 static int __init jedec_probe_init(void)
2079 {
2080         register_mtd_chip_driver(&jedec_chipdrv);
2081         return 0;
2082 }
2083
2084 static void __exit jedec_probe_exit(void)
2085 {
2086         unregister_mtd_chip_driver(&jedec_chipdrv);
2087 }
2088
2089 module_init(jedec_probe_init);
2090 module_exit(jedec_probe_exit);
2091
2092 MODULE_LICENSE("GPL");
2093 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2094 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");