drivers/mtd/chips/jedec_probe.c

   1 /*
   2    Common Flash Interface probe code.
   3    (C) 2000 Red Hat. GPL'd.
   4    See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
   5    for the standard this probe goes back to.
   6
   7    Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
   8 */
   9
  10 #include <linux/module.h>
  11 #include <linux/init.h>
  12 #include <linux/types.h>
  13 #include <linux/kernel.h>
  14 #include <asm/io.h>
  15 #include <asm/byteorder.h>
  16 #include <linux/errno.h>
  17 #include <linux/slab.h>
  18 #include <linux/interrupt.h>
  19
  20 #include <linux/mtd/mtd.h>
  21 #include <linux/mtd/map.h>
  22 #include <linux/mtd/cfi.h>
  23 #include <linux/mtd/gen_probe.h>
  24
  25 /* Manufacturers */
  26 #define MANUFACTURER_AMD        0x0001
  27 #define MANUFACTURER_ATMEL      0x001f
  28 #define MANUFACTURER_EON        0x001c
  29 #define MANUFACTURER_FUJITSU    0x0004
  30 #define MANUFACTURER_HYUNDAI    0x00AD
  31 #define MANUFACTURER_INTEL      0x0089
  32 #define MANUFACTURER_MACRONIX   0x00C2
  33 #define MANUFACTURER_NEC        0x0010
  34 #define MANUFACTURER_PMC        0x009D
  35 #define MANUFACTURER_SHARP      0x00b0
  36 #define MANUFACTURER_SST        0x00BF
  37 #define MANUFACTURER_ST         0x0020
  38 #define MANUFACTURER_TOSHIBA    0x0098
  39 #define MANUFACTURER_WINBOND    0x00da
  40 #define CONTINUATION_CODE       0x007f
  41
  42
  43 /* AMD */
  44 #define AM29DL800BB     0x22C8
  45 #define AM29DL800BT     0x224A
  46
  47 #define AM29F800BB      0x2258
  48 #define AM29F800BT      0x22D6
  49 #define AM29LV400BB     0x22BA
  50 #define AM29LV400BT     0x22B9
  51 #define AM29LV800BB     0x225B
  52 #define AM29LV800BT     0x22DA
  53 #define AM29LV160DT     0x22C4
  54 #define AM29LV160DB     0x2249
  55 #define AM29F017D       0x003D
  56 #define AM29F016D       0x00AD
  57 #define AM29F080        0x00D5
  58 #define AM29F040        0x00A4
  59 #define AM29LV040B      0x004F
  60 #define AM29F032B       0x0041
  61 #define AM29F002T       0x00B0
  62 #define AM29SL800DB     0x226B
  63 #define AM29SL800DT     0x22EA
  64
  65 /* Atmel */
  66 #define AT49BV512       0x0003
  67 #define AT29LV512       0x003d
  68 #define AT49BV16X       0x00C0
  69 #define AT49BV16XT      0x00C2
  70 #define AT49BV32X       0x00C8
  71 #define AT49BV32XT      0x00C9
  72
  73 /* Eon */
  74 #define EN29SL800BB     0x226B
  75 #define EN29SL800BT     0x22EA
  76
  77 /* Fujitsu */
  78 #define MBM29F040C      0x00A4
  79 #define MBM29F800BA     0x2258
  80 #define MBM29LV650UE    0x22D7
  81 #define MBM29LV320TE    0x22F6
  82 #define MBM29LV320BE    0x22F9
  83 #define MBM29LV160TE    0x22C4
  84 #define MBM29LV160BE    0x2249
  85 #define MBM29LV800BA    0x225B
  86 #define MBM29LV800TA    0x22DA
  87 #define MBM29LV400TC    0x22B9
  88 #define MBM29LV400BC    0x22BA
  89
  90 /* Hyundai */
  91 #define HY29F002T       0x00B0
  92
  93 /* Intel */
  94 #define I28F004B3T      0x00d4
  95 #define I28F004B3B      0x00d5
  96 #define I28F400B3T      0x8894
  97 #define I28F400B3B      0x8895
  98 #define I28F008S5       0x00a6
  99 #define I28F016S5       0x00a0
 100 #define I28F008SA       0x00a2
 101 #define I28F008B3T      0x00d2
 102 #define I28F008B3B      0x00d3
 103 #define I28F800B3T      0x8892
 104 #define I28F800B3B      0x8893
 105 #define I28F016S3       0x00aa
 106 #define I28F016B3T      0x00d0
 107 #define I28F016B3B      0x00d1
 108 #define I28F160B3T      0x8890
 109 #define I28F160B3B      0x8891
 110 #define I28F320B3T      0x8896
 111 #define I28F320B3B      0x8897
 112 #define I28F640B3T      0x8898
 113 #define I28F640B3B      0x8899
 114 #define I82802AB        0x00ad
 115 #define I82802AC        0x00ac
 116
 117 /* Macronix */
 118 #define MX29LV040C      0x004F
 119 #define MX29LV160T      0x22C4
 120 #define MX29LV160B      0x2249
 121 #define MX29F040        0x00A4
 122 #define MX29F016        0x00AD
 123 #define MX29F002T       0x00B0
 124 #define MX29F004T       0x0045
 125 #define MX29F004B       0x0046
 126
 127 /* NEC */
 128 #define UPD29F064115    0x221C
 129
 130 /* PMC */
 131 #define PM49FL002       0x006D
 132 #define PM49FL004       0x006E
 133 #define PM49FL008       0x006A
 134
 135 /* Sharp */
 136 #define LH28F640BF      0x00b0
 137
 138 /* ST - www.st.com */
 139 #define M29F800AB       0x0058
 140 #define M29W800DT       0x00D7
 141 #define M29W800DB       0x005B
 142 #define M29W400DT       0x00EE
 143 #define M29W400DB       0x00EF
 144 #define M29W160DT       0x22C4
 145 #define M29W160DB       0x2249
 146 #define M29W040B        0x00E3
 147 #define M50FW040        0x002C
 148 #define M50FW080        0x002D
 149 #define M50FW016        0x002E
 150 #define M50LPW080       0x002F
 151 #define M50FLW080A      0x0080
 152 #define M50FLW080B      0x0081
 153
 154 /* SST */
 155 #define SST29EE020      0x0010
 156 #define SST29LE020      0x0012
 157 #define SST29EE512      0x005d
 158 #define SST29LE512      0x003d
 159 #define SST39LF800      0x2781
 160 #define SST39LF160      0x2782
 161 #define SST39VF1601     0x234b
 162 #define SST39LF512      0x00D4
 163 #define SST39LF010      0x00D5
 164 #define SST39LF020      0x00D6
 165 #define SST39LF040      0x00D7
 166 #define SST39SF010A     0x00B5
 167 #define SST39SF020A     0x00B6
 168 #define SST49LF004B     0x0060
 169 #define SST49LF040B     0x0050
 170 #define SST49LF008A     0x005a
 171 #define SST49LF030A     0x001C
 172 #define SST49LF040A     0x0051
 173 #define SST49LF080A     0x005B
 174 #define SST36VF3203     0x7354
 175
 176 /* Toshiba */
 177 #define TC58FVT160      0x00C2
 178 #define TC58FVB160      0x0043
 179 #define TC58FVT321      0x009A
 180 #define TC58FVB321      0x009C
 181 #define TC58FVT641      0x0093
 182 #define TC58FVB641      0x0095
 183
 184 /* Winbond */
 185 #define W49V002A        0x00b0
 186
 187
 188 /*
 189  * Unlock address sets for AMD command sets.
 190  * Intel command sets use the MTD_UADDR_UNNECESSARY.
 191  * Each identifier, except MTD_UADDR_UNNECESSARY, and
 192  * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
 193  * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
 194  * initialization need not require initializing all of the
 195  * unlock addresses for all bit widths.
 196  */
 197 enum uaddr {
 198         MTD_UADDR_NOT_SUPPORTED = 0,    /* data width not supported */
 199         MTD_UADDR_0x0555_0x02AA,
 200         MTD_UADDR_0x0555_0x0AAA,
 201         MTD_UADDR_0x5555_0x2AAA,
 202         MTD_UADDR_0x0AAA_0x0555,
 203         MTD_UADDR_DONT_CARE,            /* Requires an arbitrary address */
 204         MTD_UADDR_UNNECESSARY,          /* Does not require any address */
 205 };
 206
 207
 208 struct unlock_addr {
 209         uint32_t addr1;
 210         uint32_t addr2;
 211 };
 212
 213
 214 /*
 215  * I don't like the fact that the first entry in unlock_addrs[]
 216  * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
 217  * should not be used.  The  problem is that structures with
 218  * initializers have extra fields initialized to 0.  It is _very_
 219  * desireable to have the unlock address entries for unsupported
 220  * data widths automatically initialized - that means that
 221  * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
 222  * must go unused.
 223  */
 224 static const struct unlock_addr  unlock_addrs[] = {
 225         [MTD_UADDR_NOT_SUPPORTED] = {
 226                 .addr1 = 0xffff,
 227                 .addr2 = 0xffff
 228         },
 229
 230         [MTD_UADDR_0x0555_0x02AA] = {
 231                 .addr1 = 0x0555,
 232                 .addr2 = 0x02aa
 233         },
 234
 235         [MTD_UADDR_0x0555_0x0AAA] = {
 236                 .addr1 = 0x0555,
 237                 .addr2 = 0x0aaa
 238         },
 239
 240         [MTD_UADDR_0x5555_0x2AAA] = {
 241                 .addr1 = 0x5555,
 242                 .addr2 = 0x2aaa
 243         },
 244
 245         [MTD_UADDR_0x0AAA_0x0555] = {
 246                 .addr1 = 0x0AAA,
 247                 .addr2 = 0x0555
 248         },
 249
 250         [MTD_UADDR_DONT_CARE] = {
 251                 .addr1 = 0x0000,      /* Doesn't matter which address */
 252                 .addr2 = 0x0000       /* is used - must be last entry */
 253         },
 254
 255         [MTD_UADDR_UNNECESSARY] = {
 256                 .addr1 = 0x0000,
 257                 .addr2 = 0x0000
 258         }
 259 };
 260
 261 struct amd_flash_info {
 262         const char *name;
 263         const uint16_t mfr_id;
 264         const uint16_t dev_id;
 265         const uint8_t dev_size;
 266         const uint8_t nr_regions;
 267         const uint16_t cmd_set;
 268         const uint32_t regions[6];
 269         const uint8_t devtypes;         /* Bitmask for x8, x16 etc. */
 270         const uint8_t uaddr;            /* unlock addrs for 8, 16, 32, 64 */
 271 };
 272
 273 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
 274
 275 #define SIZE_64KiB  16
 276 #define SIZE_128KiB 17
 277 #define SIZE_256KiB 18
 278 #define SIZE_512KiB 19
 279 #define SIZE_1MiB   20
 280 #define SIZE_2MiB   21
 281 #define SIZE_4MiB   22
 282 #define SIZE_8MiB   23
 283
 284
 285 /*
 286  * Please keep this list ordered by manufacturer!
 287  * Fortunately, the list isn't searched often and so a
 288  * slow, linear search isn't so bad.
 289  */
 290 static const struct amd_flash_info jedec_table[] = {
 291         {
 292                 .mfr_id         = MANUFACTURER_AMD,
 293                 .dev_id         = AM29F032B,
 294                 .name           = "AMD AM29F032B",
 295                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 296                 .devtypes       = CFI_DEVICETYPE_X8,
 297                 .dev_size       = SIZE_4MiB,
 298                 .cmd_set        = P_ID_AMD_STD,
 299                 .nr_regions     = 1,
 300                 .regions        = {
 301                         ERASEINFO(0x10000,64)
 302                 }
 303         }, {
 304                 .mfr_id         = MANUFACTURER_AMD,
 305                 .dev_id         = AM29LV160DT,
 306                 .name           = "AMD AM29LV160DT",
 307                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 308                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 309                 .dev_size       = SIZE_2MiB,
 310                 .cmd_set        = P_ID_AMD_STD,
 311                 .nr_regions     = 4,
 312                 .regions        = {
 313                         ERASEINFO(0x10000,31),
 314                         ERASEINFO(0x08000,1),
 315                         ERASEINFO(0x02000,2),
 316                         ERASEINFO(0x04000,1)
 317                 }
 318         }, {
 319                 .mfr_id         = MANUFACTURER_AMD,
 320                 .dev_id         = AM29LV160DB,
 321                 .name           = "AMD AM29LV160DB",
 322                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 323                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 324                 .dev_size       = SIZE_2MiB,
 325                 .cmd_set        = P_ID_AMD_STD,
 326                 .nr_regions     = 4,
 327                 .regions        = {
 328                         ERASEINFO(0x04000,1),
 329                         ERASEINFO(0x02000,2),
 330                         ERASEINFO(0x08000,1),
 331                         ERASEINFO(0x10000,31)
 332                 }
 333         }, {
 334                 .mfr_id         = MANUFACTURER_AMD,
 335                 .dev_id         = AM29LV400BB,
 336                 .name           = "AMD AM29LV400BB",
 337                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 338                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 339                 .dev_size       = SIZE_512KiB,
 340                 .cmd_set        = P_ID_AMD_STD,
 341                 .nr_regions     = 4,
 342                 .regions        = {
 343                         ERASEINFO(0x04000,1),
 344                         ERASEINFO(0x02000,2),
 345                         ERASEINFO(0x08000,1),
 346                         ERASEINFO(0x10000,7)
 347                 }
 348         }, {
 349                 .mfr_id         = MANUFACTURER_AMD,
 350                 .dev_id         = AM29LV400BT,
 351                 .name           = "AMD AM29LV400BT",
 352                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 353                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 354                 .dev_size       = SIZE_512KiB,
 355                 .cmd_set        = P_ID_AMD_STD,
 356                 .nr_regions     = 4,
 357                 .regions        = {
 358                         ERASEINFO(0x10000,7),
 359                         ERASEINFO(0x08000,1),
 360                         ERASEINFO(0x02000,2),
 361                         ERASEINFO(0x04000,1)
 362                 }
 363         }, {
 364                 .mfr_id         = MANUFACTURER_AMD,
 365                 .dev_id         = AM29LV800BB,
 366                 .name           = "AMD AM29LV800BB",
 367                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 368                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 369                 .dev_size       = SIZE_1MiB,
 370                 .cmd_set        = P_ID_AMD_STD,
 371                 .nr_regions     = 4,
 372                 .regions        = {
 373                         ERASEINFO(0x04000,1),
 374                         ERASEINFO(0x02000,2),
 375                         ERASEINFO(0x08000,1),
 376                         ERASEINFO(0x10000,15),
 377                 }
 378         }, {
 379 /* add DL */
 380                 .mfr_id         = MANUFACTURER_AMD,
 381                 .dev_id         = AM29DL800BB,
 382                 .name           = "AMD AM29DL800BB",
 383                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 384                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 385                 .dev_size       = SIZE_1MiB,
 386                 .cmd_set        = P_ID_AMD_STD,
 387                 .nr_regions     = 6,
 388                 .regions        = {
 389                         ERASEINFO(0x04000,1),
 390                         ERASEINFO(0x08000,1),
 391                         ERASEINFO(0x02000,4),
 392                         ERASEINFO(0x08000,1),
 393                         ERASEINFO(0x04000,1),
 394                         ERASEINFO(0x10000,14)
 395                 }
 396         }, {
 397                 .mfr_id         = MANUFACTURER_AMD,
 398                 .dev_id         = AM29DL800BT,
 399                 .name           = "AMD AM29DL800BT",
 400                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 401                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 402                 .dev_size       = SIZE_1MiB,
 403                 .cmd_set        = P_ID_AMD_STD,
 404                 .nr_regions     = 6,
 405                 .regions        = {
 406                         ERASEINFO(0x10000,14),
 407                         ERASEINFO(0x04000,1),
 408                         ERASEINFO(0x08000,1),
 409                         ERASEINFO(0x02000,4),
 410                         ERASEINFO(0x08000,1),
 411                         ERASEINFO(0x04000,1)
 412                 }
 413         }, {
 414                 .mfr_id         = MANUFACTURER_AMD,
 415                 .dev_id         = AM29F800BB,
 416                 .name           = "AMD AM29F800BB",
 417                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 418                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 419                 .dev_size       = SIZE_1MiB,
 420                 .cmd_set        = P_ID_AMD_STD,
 421                 .nr_regions     = 4,
 422                 .regions        = {
 423                         ERASEINFO(0x04000,1),
 424                         ERASEINFO(0x02000,2),
 425                         ERASEINFO(0x08000,1),
 426                         ERASEINFO(0x10000,15),
 427                 }
 428         }, {
 429                 .mfr_id         = MANUFACTURER_AMD,
 430                 .dev_id         = AM29LV800BT,
 431                 .name           = "AMD AM29LV800BT",
 432                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 433                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 434                 .dev_size       = SIZE_1MiB,
 435                 .cmd_set        = P_ID_AMD_STD,
 436                 .nr_regions     = 4,
 437                 .regions        = {
 438                         ERASEINFO(0x10000,15),
 439                         ERASEINFO(0x08000,1),
 440                         ERASEINFO(0x02000,2),
 441                         ERASEINFO(0x04000,1)
 442                 }
 443         }, {
 444                 .mfr_id         = MANUFACTURER_AMD,
 445                 .dev_id         = AM29F800BT,
 446                 .name           = "AMD AM29F800BT",
 447                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 448                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 449                 .dev_size       = SIZE_1MiB,
 450                 .cmd_set        = P_ID_AMD_STD,
 451                 .nr_regions     = 4,
 452                 .regions        = {
 453                         ERASEINFO(0x10000,15),
 454                         ERASEINFO(0x08000,1),
 455                         ERASEINFO(0x02000,2),
 456                         ERASEINFO(0x04000,1)
 457                 }
 458         }, {
 459                 .mfr_id         = MANUFACTURER_AMD,
 460                 .dev_id         = AM29F017D,
 461                 .name           = "AMD AM29F017D",
 462                 .devtypes       = CFI_DEVICETYPE_X8,
 463                 .uaddr          = MTD_UADDR_DONT_CARE,
 464                 .dev_size       = SIZE_2MiB,
 465                 .cmd_set        = P_ID_AMD_STD,
 466                 .nr_regions     = 1,
 467                 .regions        = {
 468                         ERASEINFO(0x10000,32),
 469                 }
 470         }, {
 471                 .mfr_id         = MANUFACTURER_AMD,
 472                 .dev_id         = AM29F016D,
 473                 .name           = "AMD AM29F016D",
 474                 .devtypes       = CFI_DEVICETYPE_X8,
 475                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 476                 .dev_size       = SIZE_2MiB,
 477                 .cmd_set        = P_ID_AMD_STD,
 478                 .nr_regions     = 1,
 479                 .regions        = {
 480                         ERASEINFO(0x10000,32),
 481                 }
 482         }, {
 483                 .mfr_id         = MANUFACTURER_AMD,
 484                 .dev_id         = AM29F080,
 485                 .name           = "AMD AM29F080",
 486                 .devtypes       = CFI_DEVICETYPE_X8,
 487                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 488                 .dev_size       = SIZE_1MiB,
 489                 .cmd_set        = P_ID_AMD_STD,
 490                 .nr_regions     = 1,
 491                 .regions        = {
 492                         ERASEINFO(0x10000,16),
 493                 }
 494         }, {
 495                 .mfr_id         = MANUFACTURER_AMD,
 496                 .dev_id         = AM29F040,
 497                 .name           = "AMD AM29F040",
 498                 .devtypes       = CFI_DEVICETYPE_X8,
 499                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 500                 .dev_size       = SIZE_512KiB,
 501                 .cmd_set        = P_ID_AMD_STD,
 502                 .nr_regions     = 1,
 503                 .regions        = {
 504                         ERASEINFO(0x10000,8),
 505                 }
 506         }, {
 507                 .mfr_id         = MANUFACTURER_AMD,
 508                 .dev_id         = AM29LV040B,
 509                 .name           = "AMD AM29LV040B",
 510                 .devtypes       = CFI_DEVICETYPE_X8,
 511                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 512                 .dev_size       = SIZE_512KiB,
 513                 .cmd_set        = P_ID_AMD_STD,
 514                 .nr_regions     = 1,
 515                 .regions        = {
 516                         ERASEINFO(0x10000,8),
 517                 }
 518         }, {
 519                 .mfr_id         = MANUFACTURER_AMD,
 520                 .dev_id         = AM29F002T,
 521                 .name           = "AMD AM29F002T",
 522                 .devtypes       = CFI_DEVICETYPE_X8,
 523                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 524                 .dev_size       = SIZE_256KiB,
 525                 .cmd_set        = P_ID_AMD_STD,
 526                 .nr_regions     = 4,
 527                 .regions        = {
 528                         ERASEINFO(0x10000,3),
 529                         ERASEINFO(0x08000,1),
 530                         ERASEINFO(0x02000,2),
 531                         ERASEINFO(0x04000,1),
 532                 }
 533         }, {
 534                 .mfr_id         = MANUFACTURER_AMD,
 535                 .dev_id         = AM29SL800DT,
 536                 .name           = "AMD AM29SL800DT",
 537                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 538                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 539                 .dev_size       = SIZE_1MiB,
 540                 .cmd_set        = P_ID_AMD_STD,
 541                 .nr_regions     = 4,
 542                 .regions        = {
 543                         ERASEINFO(0x10000,15),
 544                         ERASEINFO(0x08000,1),
 545                         ERASEINFO(0x02000,2),
 546                         ERASEINFO(0x04000,1),
 547                 }
 548         }, {
 549                 .mfr_id         = MANUFACTURER_AMD,
 550                 .dev_id         = AM29SL800DB,
 551                 .name           = "AMD AM29SL800DB",
 552                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 553                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 554                 .dev_size       = SIZE_1MiB,
 555                 .cmd_set        = P_ID_AMD_STD,
 556                 .nr_regions     = 4,
 557                 .regions        = {
 558                         ERASEINFO(0x04000,1),
 559                         ERASEINFO(0x02000,2),
 560                         ERASEINFO(0x08000,1),
 561                         ERASEINFO(0x10000,15),
 562                 }
 563         }, {
 564                 .mfr_id         = MANUFACTURER_ATMEL,
 565                 .dev_id         = AT49BV512,
 566                 .name           = "Atmel AT49BV512",
 567                 .devtypes       = CFI_DEVICETYPE_X8,
 568                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 569                 .dev_size       = SIZE_64KiB,
 570                 .cmd_set        = P_ID_AMD_STD,
 571                 .nr_regions     = 1,
 572                 .regions        = {
 573                         ERASEINFO(0x10000,1)
 574                 }
 575         }, {
 576                 .mfr_id         = MANUFACTURER_ATMEL,
 577                 .dev_id         = AT29LV512,
 578                 .name           = "Atmel AT29LV512",
 579                 .devtypes       = CFI_DEVICETYPE_X8,
 580                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 581                 .dev_size       = SIZE_64KiB,
 582                 .cmd_set        = P_ID_AMD_STD,
 583                 .nr_regions     = 1,
 584                 .regions        = {
 585                         ERASEINFO(0x80,256),
 586                         ERASEINFO(0x80,256)
 587                 }
 588         }, {
 589                 .mfr_id         = MANUFACTURER_ATMEL,
 590                 .dev_id         = AT49BV16X,
 591                 .name           = "Atmel AT49BV16X",
 592                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 593                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 594                 .dev_size       = SIZE_2MiB,
 595                 .cmd_set        = P_ID_AMD_STD,
 596                 .nr_regions     = 2,
 597                 .regions        = {
 598                         ERASEINFO(0x02000,8),
 599                         ERASEINFO(0x10000,31)
 600                 }
 601         }, {
 602                 .mfr_id         = MANUFACTURER_ATMEL,
 603                 .dev_id         = AT49BV16XT,
 604                 .name           = "Atmel AT49BV16XT",
 605                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 606                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 607                 .dev_size       = SIZE_2MiB,
 608                 .cmd_set        = P_ID_AMD_STD,
 609                 .nr_regions     = 2,
 610                 .regions        = {
 611                         ERASEINFO(0x10000,31),
 612                         ERASEINFO(0x02000,8)
 613                 }
 614         }, {
 615                 .mfr_id         = MANUFACTURER_ATMEL,
 616                 .dev_id         = AT49BV32X,
 617                 .name           = "Atmel AT49BV32X",
 618                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 619                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 620                 .dev_size       = SIZE_4MiB,
 621                 .cmd_set        = P_ID_AMD_STD,
 622                 .nr_regions     = 2,
 623                 .regions        = {
 624                         ERASEINFO(0x02000,8),
 625                         ERASEINFO(0x10000,63)
 626                 }
 627         }, {
 628                 .mfr_id         = MANUFACTURER_ATMEL,
 629                 .dev_id         = AT49BV32XT,
 630                 .name           = "Atmel AT49BV32XT",
 631                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 632                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 633                 .dev_size       = SIZE_4MiB,
 634                 .cmd_set        = P_ID_AMD_STD,
 635                 .nr_regions     = 2,
 636                 .regions        = {
 637                         ERASEINFO(0x10000,63),
 638                         ERASEINFO(0x02000,8)
 639                 }
 640         }, {
 641                 .mfr_id         = MANUFACTURER_EON,
 642                 .dev_id         = EN29SL800BT,
 643                 .name           = "Eon EN29SL800BT",
 644                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 645                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 646                 .dev_size       = SIZE_1MiB,
 647                 .cmd_set        = P_ID_AMD_STD,
 648                 .nr_regions     = 4,
 649                 .regions        = {
 650                         ERASEINFO(0x10000,15),
 651                         ERASEINFO(0x08000,1),
 652                         ERASEINFO(0x02000,2),
 653                         ERASEINFO(0x04000,1),
 654                 }
 655         }, {
 656                 .mfr_id         = MANUFACTURER_EON,
 657                 .dev_id         = EN29SL800BB,
 658                 .name           = "Eon EN29SL800BB",
 659                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 660                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 661                 .dev_size       = SIZE_1MiB,
 662                 .cmd_set        = P_ID_AMD_STD,
 663                 .nr_regions     = 4,
 664                 .regions        = {
 665                         ERASEINFO(0x04000,1),
 666                         ERASEINFO(0x02000,2),
 667                         ERASEINFO(0x08000,1),
 668                         ERASEINFO(0x10000,15),
 669                 }
 670         }, {
 671                 .mfr_id         = MANUFACTURER_FUJITSU,
 672                 .dev_id         = MBM29F040C,
 673                 .name           = "Fujitsu MBM29F040C",
 674                 .devtypes       = CFI_DEVICETYPE_X8,
 675                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 676                 .dev_size       = SIZE_512KiB,
 677                 .cmd_set        = P_ID_AMD_STD,
 678                 .nr_regions     = 1,
 679                 .regions        = {
 680                         ERASEINFO(0x10000,8)
 681                 }
 682         }, {
 683                 .mfr_id         = MANUFACTURER_FUJITSU,
 684                 .dev_id         = MBM29F800BA,
 685                 .name           = "Fujitsu MBM29F800BA",
 686                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 687                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 688                 .dev_size       = SIZE_1MiB,
 689                 .cmd_set        = P_ID_AMD_STD,
 690                 .nr_regions     = 4,
 691                 .regions        = {
 692                         ERASEINFO(0x04000,1),
 693                         ERASEINFO(0x02000,2),
 694                         ERASEINFO(0x08000,1),
 695                         ERASEINFO(0x10000,15),
 696                 }
 697         }, {
 698                 .mfr_id         = MANUFACTURER_FUJITSU,
 699                 .dev_id         = MBM29LV650UE,
 700                 .name           = "Fujitsu MBM29LV650UE",
 701                 .devtypes       = CFI_DEVICETYPE_X8,
 702                 .uaddr          = MTD_UADDR_DONT_CARE,
 703                 .dev_size       = SIZE_8MiB,
 704                 .cmd_set        = P_ID_AMD_STD,
 705                 .nr_regions     = 1,
 706                 .regions        = {
 707                         ERASEINFO(0x10000,128)
 708                 }
 709         }, {
 710                 .mfr_id         = MANUFACTURER_FUJITSU,
 711                 .dev_id         = MBM29LV320TE,
 712                 .name           = "Fujitsu MBM29LV320TE",
 713                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 714                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 715                 .dev_size       = SIZE_4MiB,
 716                 .cmd_set        = P_ID_AMD_STD,
 717                 .nr_regions     = 2,
 718                 .regions        = {
 719                         ERASEINFO(0x10000,63),
 720                         ERASEINFO(0x02000,8)
 721                 }
 722         }, {
 723                 .mfr_id         = MANUFACTURER_FUJITSU,
 724                 .dev_id         = MBM29LV320BE,
 725                 .name           = "Fujitsu MBM29LV320BE",
 726                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 727                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 728                 .dev_size       = SIZE_4MiB,
 729                 .cmd_set        = P_ID_AMD_STD,
 730                 .nr_regions     = 2,
 731                 .regions        = {
 732                         ERASEINFO(0x02000,8),
 733                         ERASEINFO(0x10000,63)
 734                 }
 735         }, {
 736                 .mfr_id         = MANUFACTURER_FUJITSU,
 737                 .dev_id         = MBM29LV160TE,
 738                 .name           = "Fujitsu MBM29LV160TE",
 739                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 740                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 741                 .dev_size       = SIZE_2MiB,
 742                 .cmd_set        = P_ID_AMD_STD,
 743                 .nr_regions     = 4,
 744                 .regions        = {
 745                         ERASEINFO(0x10000,31),
 746                         ERASEINFO(0x08000,1),
 747                         ERASEINFO(0x02000,2),
 748                         ERASEINFO(0x04000,1)
 749                 }
 750         }, {
 751                 .mfr_id         = MANUFACTURER_FUJITSU,
 752                 .dev_id         = MBM29LV160BE,
 753                 .name           = "Fujitsu MBM29LV160BE",
 754                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 755                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 756                 .dev_size       = SIZE_2MiB,
 757                 .cmd_set        = P_ID_AMD_STD,
 758                 .nr_regions     = 4,
 759                 .regions        = {
 760                         ERASEINFO(0x04000,1),
 761                         ERASEINFO(0x02000,2),
 762                         ERASEINFO(0x08000,1),
 763                         ERASEINFO(0x10000,31)
 764                 }
 765         }, {
 766                 .mfr_id         = MANUFACTURER_FUJITSU,
 767                 .dev_id         = MBM29LV800BA,
 768                 .name           = "Fujitsu MBM29LV800BA",
 769                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 770                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 771                 .dev_size       = SIZE_1MiB,
 772                 .cmd_set        = P_ID_AMD_STD,
 773                 .nr_regions     = 4,
 774                 .regions        = {
 775                         ERASEINFO(0x04000,1),
 776                         ERASEINFO(0x02000,2),
 777                         ERASEINFO(0x08000,1),
 778                         ERASEINFO(0x10000,15)
 779                 }
 780         }, {
 781                 .mfr_id         = MANUFACTURER_FUJITSU,
 782                 .dev_id         = MBM29LV800TA,
 783                 .name           = "Fujitsu MBM29LV800TA",
 784                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 785                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 786                 .dev_size       = SIZE_1MiB,
 787                 .cmd_set        = P_ID_AMD_STD,
 788                 .nr_regions     = 4,
 789                 .regions        = {
 790                         ERASEINFO(0x10000,15),
 791                         ERASEINFO(0x08000,1),
 792                         ERASEINFO(0x02000,2),
 793                         ERASEINFO(0x04000,1)
 794                 }
 795         }, {
 796                 .mfr_id         = MANUFACTURER_FUJITSU,
 797                 .dev_id         = MBM29LV400BC,
 798                 .name           = "Fujitsu MBM29LV400BC",
 799                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 800                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 801                 .dev_size       = SIZE_512KiB,
 802                 .cmd_set        = P_ID_AMD_STD,
 803                 .nr_regions     = 4,
 804                 .regions        = {
 805                         ERASEINFO(0x04000,1),
 806                         ERASEINFO(0x02000,2),
 807                         ERASEINFO(0x08000,1),
 808                         ERASEINFO(0x10000,7)
 809                 }
 810         }, {
 811                 .mfr_id         = MANUFACTURER_FUJITSU,
 812                 .dev_id         = MBM29LV400TC,
 813                 .name           = "Fujitsu MBM29LV400TC",
 814                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 815                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 816                 .dev_size       = SIZE_512KiB,
 817                 .cmd_set        = P_ID_AMD_STD,
 818                 .nr_regions     = 4,
 819                 .regions        = {
 820                         ERASEINFO(0x10000,7),
 821                         ERASEINFO(0x08000,1),
 822                         ERASEINFO(0x02000,2),
 823                         ERASEINFO(0x04000,1)
 824                 }
 825         }, {
 826                 .mfr_id         = MANUFACTURER_HYUNDAI,
 827                 .dev_id         = HY29F002T,
 828                 .name           = "Hyundai HY29F002T",
 829                 .devtypes       = CFI_DEVICETYPE_X8,
 830                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 831                 .dev_size       = SIZE_256KiB,
 832                 .cmd_set        = P_ID_AMD_STD,
 833                 .nr_regions     = 4,
 834                 .regions        = {
 835                         ERASEINFO(0x10000,3),
 836                         ERASEINFO(0x08000,1),
 837                         ERASEINFO(0x02000,2),
 838                         ERASEINFO(0x04000,1),
 839                 }
 840         }, {
 841                 .mfr_id         = MANUFACTURER_INTEL,
 842                 .dev_id         = I28F004B3B,
 843                 .name           = "Intel 28F004B3B",
 844                 .devtypes       = CFI_DEVICETYPE_X8,
 845                 .uaddr          = MTD_UADDR_UNNECESSARY,
 846                 .dev_size       = SIZE_512KiB,
 847                 .cmd_set        = P_ID_INTEL_STD,
 848                 .nr_regions     = 2,
 849                 .regions        = {
 850                         ERASEINFO(0x02000, 8),
 851                         ERASEINFO(0x10000, 7),
 852                 }
 853         }, {
 854                 .mfr_id         = MANUFACTURER_INTEL,
 855                 .dev_id         = I28F004B3T,
 856                 .name           = "Intel 28F004B3T",
 857                 .devtypes       = CFI_DEVICETYPE_X8,
 858                 .uaddr          = MTD_UADDR_UNNECESSARY,
 859                 .dev_size       = SIZE_512KiB,
 860                 .cmd_set        = P_ID_INTEL_STD,
 861                 .nr_regions     = 2,
 862                 .regions        = {
 863                         ERASEINFO(0x10000, 7),
 864                         ERASEINFO(0x02000, 8),
 865                 }
 866         }, {
 867                 .mfr_id         = MANUFACTURER_INTEL,
 868                 .dev_id         = I28F400B3B,
 869                 .name           = "Intel 28F400B3B",
 870                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 871                 .uaddr          = MTD_UADDR_UNNECESSARY,
 872                 .dev_size       = SIZE_512KiB,
 873                 .cmd_set        = P_ID_INTEL_STD,
 874                 .nr_regions     = 2,
 875                 .regions        = {
 876                         ERASEINFO(0x02000, 8),
 877                         ERASEINFO(0x10000, 7),
 878                 }
 879         }, {
 880                 .mfr_id         = MANUFACTURER_INTEL,
 881                 .dev_id         = I28F400B3T,
 882                 .name           = "Intel 28F400B3T",
 883                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 884                 .uaddr          = MTD_UADDR_UNNECESSARY,
 885                 .dev_size       = SIZE_512KiB,
 886                 .cmd_set        = P_ID_INTEL_STD,
 887                 .nr_regions     = 2,
 888                 .regions        = {
 889                         ERASEINFO(0x10000, 7),
 890                         ERASEINFO(0x02000, 8),
 891                 }
 892         }, {
 893                 .mfr_id         = MANUFACTURER_INTEL,
 894                 .dev_id         = I28F008B3B,
 895                 .name           = "Intel 28F008B3B",
 896                 .devtypes       = CFI_DEVICETYPE_X8,
 897                 .uaddr          = MTD_UADDR_UNNECESSARY,
 898                 .dev_size       = SIZE_1MiB,
 899                 .cmd_set        = P_ID_INTEL_STD,
 900                 .nr_regions     = 2,
 901                 .regions        = {
 902                         ERASEINFO(0x02000, 8),
 903                         ERASEINFO(0x10000, 15),
 904                 }
 905         }, {
 906                 .mfr_id         = MANUFACTURER_INTEL,
 907                 .dev_id         = I28F008B3T,
 908                 .name           = "Intel 28F008B3T",
 909                 .devtypes       = CFI_DEVICETYPE_X8,
 910                 .uaddr          = MTD_UADDR_UNNECESSARY,
 911                 .dev_size       = SIZE_1MiB,
 912                 .cmd_set        = P_ID_INTEL_STD,
 913                 .nr_regions     = 2,
 914                 .regions        = {
 915                         ERASEINFO(0x10000, 15),
 916                         ERASEINFO(0x02000, 8),
 917                 }
 918         }, {
 919                 .mfr_id         = MANUFACTURER_INTEL,
 920                 .dev_id         = I28F008S5,
 921                 .name           = "Intel 28F008S5",
 922                 .devtypes       = CFI_DEVICETYPE_X8,
 923                 .uaddr          = MTD_UADDR_UNNECESSARY,
 924                 .dev_size       = SIZE_1MiB,
 925                 .cmd_set        = P_ID_INTEL_EXT,
 926                 .nr_regions     = 1,
 927                 .regions        = {
 928                         ERASEINFO(0x10000,16),
 929                 }
 930         }, {
 931                 .mfr_id         = MANUFACTURER_INTEL,
 932                 .dev_id         = I28F016S5,
 933                 .name           = "Intel 28F016S5",
 934                 .devtypes       = CFI_DEVICETYPE_X8,
 935                 .uaddr          = MTD_UADDR_UNNECESSARY,
 936                 .dev_size       = SIZE_2MiB,
 937                 .cmd_set        = P_ID_INTEL_EXT,
 938                 .nr_regions     = 1,
 939                 .regions        = {
 940                         ERASEINFO(0x10000,32),
 941                 }
 942         }, {
 943                 .mfr_id         = MANUFACTURER_INTEL,
 944                 .dev_id         = I28F008SA,
 945                 .name           = "Intel 28F008SA",
 946                 .devtypes       = CFI_DEVICETYPE_X8,
 947                 .uaddr          = MTD_UADDR_UNNECESSARY,
 948                 .dev_size       = SIZE_1MiB,
 949                 .cmd_set        = P_ID_INTEL_STD,
 950                 .nr_regions     = 1,
 951                 .regions        = {
 952                         ERASEINFO(0x10000, 16),
 953                 }
 954         }, {
 955                 .mfr_id         = MANUFACTURER_INTEL,
 956                 .dev_id         = I28F800B3B,
 957                 .name           = "Intel 28F800B3B",
 958                 .devtypes       = CFI_DEVICETYPE_X16,
 959                 .uaddr          = MTD_UADDR_UNNECESSARY,
 960                 .dev_size       = SIZE_1MiB,
 961                 .cmd_set        = P_ID_INTEL_STD,
 962                 .nr_regions     = 2,
 963                 .regions        = {
 964                         ERASEINFO(0x02000, 8),
 965                         ERASEINFO(0x10000, 15),
 966                 }
 967         }, {
 968                 .mfr_id         = MANUFACTURER_INTEL,
 969                 .dev_id         = I28F800B3T,
 970                 .name           = "Intel 28F800B3T",
 971                 .devtypes       = CFI_DEVICETYPE_X16,
 972                 .uaddr          = MTD_UADDR_UNNECESSARY,
 973                 .dev_size       = SIZE_1MiB,
 974                 .cmd_set        = P_ID_INTEL_STD,
 975                 .nr_regions     = 2,
 976                 .regions        = {
 977                         ERASEINFO(0x10000, 15),
 978                         ERASEINFO(0x02000, 8),
 979                 }
 980         }, {
 981                 .mfr_id         = MANUFACTURER_INTEL,
 982                 .dev_id         = I28F016B3B,
 983                 .name           = "Intel 28F016B3B",
 984                 .devtypes       = CFI_DEVICETYPE_X8,
 985                 .uaddr          = MTD_UADDR_UNNECESSARY,
 986                 .dev_size       = SIZE_2MiB,
 987                 .cmd_set        = P_ID_INTEL_STD,
 988                 .nr_regions     = 2,
 989                 .regions        = {
 990                         ERASEINFO(0x02000, 8),
 991                         ERASEINFO(0x10000, 31),
 992                 }
 993         }, {
 994                 .mfr_id         = MANUFACTURER_INTEL,
 995                 .dev_id         = I28F016S3,
 996                 .name           = "Intel I28F016S3",
 997                 .devtypes       = CFI_DEVICETYPE_X8,
 998                 .uaddr          = MTD_UADDR_UNNECESSARY,
 999                 .dev_size       = SIZE_2MiB,
1000                 .cmd_set        = P_ID_INTEL_STD,
1001                 .nr_regions     = 1,
1002                 .regions        = {
1003                         ERASEINFO(0x10000, 32),
1004                 }
1005         }, {
1006                 .mfr_id         = MANUFACTURER_INTEL,
1007                 .dev_id         = I28F016B3T,
1008                 .name           = "Intel 28F016B3T",
1009                 .devtypes       = CFI_DEVICETYPE_X8,
1010                 .uaddr          = MTD_UADDR_UNNECESSARY,
1011                 .dev_size       = SIZE_2MiB,
1012                 .cmd_set        = P_ID_INTEL_STD,
1013                 .nr_regions     = 2,
1014                 .regions        = {
1015                         ERASEINFO(0x10000, 31),
1016                         ERASEINFO(0x02000, 8),
1017                 }
1018         }, {
1019                 .mfr_id         = MANUFACTURER_INTEL,
1020                 .dev_id         = I28F160B3B,
1021                 .name           = "Intel 28F160B3B",
1022                 .devtypes       = CFI_DEVICETYPE_X16,
1023                 .uaddr          = MTD_UADDR_UNNECESSARY,
1024                 .dev_size       = SIZE_2MiB,
1025                 .cmd_set        = P_ID_INTEL_STD,
1026                 .nr_regions     = 2,
1027                 .regions        = {
1028                         ERASEINFO(0x02000, 8),
1029                         ERASEINFO(0x10000, 31),
1030                 }
1031         }, {
1032                 .mfr_id         = MANUFACTURER_INTEL,
1033                 .dev_id         = I28F160B3T,
1034                 .name           = "Intel 28F160B3T",
1035                 .devtypes       = CFI_DEVICETYPE_X16,
1036                 .uaddr          = MTD_UADDR_UNNECESSARY,
1037                 .dev_size       = SIZE_2MiB,
1038                 .cmd_set        = P_ID_INTEL_STD,
1039                 .nr_regions     = 2,
1040                 .regions        = {
1041                         ERASEINFO(0x10000, 31),
1042                         ERASEINFO(0x02000, 8),
1043                 }
1044         }, {
1045                 .mfr_id         = MANUFACTURER_INTEL,
1046                 .dev_id         = I28F320B3B,
1047                 .name           = "Intel 28F320B3B",
1048                 .devtypes       = CFI_DEVICETYPE_X16,
1049                 .uaddr          = MTD_UADDR_UNNECESSARY,
1050                 .dev_size       = SIZE_4MiB,
1051                 .cmd_set        = P_ID_INTEL_STD,
1052                 .nr_regions     = 2,
1053                 .regions        = {
1054                         ERASEINFO(0x02000, 8),
1055                         ERASEINFO(0x10000, 63),
1056                 }
1057         }, {
1058                 .mfr_id         = MANUFACTURER_INTEL,
1059                 .dev_id         = I28F320B3T,
1060                 .name           = "Intel 28F320B3T",
1061                 .devtypes       = CFI_DEVICETYPE_X16,
1062                 .uaddr          = MTD_UADDR_UNNECESSARY,
1063                 .dev_size       = SIZE_4MiB,
1064                 .cmd_set        = P_ID_INTEL_STD,
1065                 .nr_regions     = 2,
1066                 .regions        = {
1067                         ERASEINFO(0x10000, 63),
1068                         ERASEINFO(0x02000, 8),
1069                 }
1070         }, {
1071                 .mfr_id         = MANUFACTURER_INTEL,
1072                 .dev_id         = I28F640B3B,
1073                 .name           = "Intel 28F640B3B",
1074                 .devtypes       = CFI_DEVICETYPE_X16,
1075                 .uaddr          = MTD_UADDR_UNNECESSARY,
1076                 .dev_size       = SIZE_8MiB,
1077                 .cmd_set        = P_ID_INTEL_STD,
1078                 .nr_regions     = 2,
1079                 .regions        = {
1080                         ERASEINFO(0x02000, 8),
1081                         ERASEINFO(0x10000, 127),
1082                 }
1083         }, {
1084                 .mfr_id         = MANUFACTURER_INTEL,
1085                 .dev_id         = I28F640B3T,
1086                 .name           = "Intel 28F640B3T",
1087                 .devtypes       = CFI_DEVICETYPE_X16,
1088                 .uaddr          = MTD_UADDR_UNNECESSARY,
1089                 .dev_size       = SIZE_8MiB,
1090                 .cmd_set        = P_ID_INTEL_STD,
1091                 .nr_regions     = 2,
1092                 .regions        = {
1093                         ERASEINFO(0x10000, 127),
1094                         ERASEINFO(0x02000, 8),
1095                 }
1096         }, {
1097                 .mfr_id         = MANUFACTURER_INTEL,
1098                 .dev_id         = I82802AB,
1099                 .name           = "Intel 82802AB",
1100                 .devtypes       = CFI_DEVICETYPE_X8,
1101                 .uaddr          = MTD_UADDR_UNNECESSARY,
1102                 .dev_size       = SIZE_512KiB,
1103                 .cmd_set        = P_ID_INTEL_EXT,
1104                 .nr_regions     = 1,
1105                 .regions        = {
1106                         ERASEINFO(0x10000,8),
1107                 }
1108         }, {
1109                 .mfr_id         = MANUFACTURER_INTEL,
1110                 .dev_id         = I82802AC,
1111                 .name           = "Intel 82802AC",
1112                 .devtypes       = CFI_DEVICETYPE_X8,
1113                 .uaddr          = MTD_UADDR_UNNECESSARY,
1114                 .dev_size       = SIZE_1MiB,
1115                 .cmd_set        = P_ID_INTEL_EXT,
1116                 .nr_regions     = 1,
1117                 .regions        = {
1118                         ERASEINFO(0x10000,16),
1119                 }
1120         }, {
1121                 .mfr_id         = MANUFACTURER_MACRONIX,
1122                 .dev_id         = MX29LV040C,
1123                 .name           = "Macronix MX29LV040C",
1124                 .devtypes       = CFI_DEVICETYPE_X8,
1125                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1126                 .dev_size       = SIZE_512KiB,
1127                 .cmd_set        = P_ID_AMD_STD,
1128                 .nr_regions     = 1,
1129                 .regions        = {
1130                         ERASEINFO(0x10000,8),
1131                 }
1132         }, {
1133                 .mfr_id         = MANUFACTURER_MACRONIX,
1134                 .dev_id         = MX29LV160T,
1135                 .name           = "MXIC MX29LV160T",
1136                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1137                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1138                 .dev_size       = SIZE_2MiB,
1139                 .cmd_set        = P_ID_AMD_STD,
1140                 .nr_regions     = 4,
1141                 .regions        = {
1142                         ERASEINFO(0x10000,31),
1143                         ERASEINFO(0x08000,1),
1144                         ERASEINFO(0x02000,2),
1145                         ERASEINFO(0x04000,1)
1146                 }
1147         }, {
1148                 .mfr_id         = MANUFACTURER_NEC,
1149                 .dev_id         = UPD29F064115,
1150                 .name           = "NEC uPD29F064115",
1151                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1152                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1153                 .dev_size       = SIZE_8MiB,
1154                 .cmd_set        = P_ID_AMD_STD,
1155                 .nr_regions     = 3,
1156                 .regions        = {
1157                         ERASEINFO(0x2000,8),
1158                         ERASEINFO(0x10000,126),
1159                         ERASEINFO(0x2000,8),
1160                 }
1161         }, {
1162                 .mfr_id         = MANUFACTURER_MACRONIX,
1163                 .dev_id         = MX29LV160B,
1164                 .name           = "MXIC MX29LV160B",
1165                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1166                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1167                 .dev_size       = SIZE_2MiB,
1168                 .cmd_set        = P_ID_AMD_STD,
1169                 .nr_regions     = 4,
1170                 .regions        = {
1171                         ERASEINFO(0x04000,1),
1172                         ERASEINFO(0x02000,2),
1173                         ERASEINFO(0x08000,1),
1174                         ERASEINFO(0x10000,31)
1175                 }
1176         }, {
1177                 .mfr_id         = MANUFACTURER_MACRONIX,
1178                 .dev_id         = MX29F040,
1179                 .name           = "Macronix MX29F040",
1180                 .devtypes       = CFI_DEVICETYPE_X8,
1181                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1182                 .dev_size       = SIZE_512KiB,
1183                 .cmd_set        = P_ID_AMD_STD,
1184                 .nr_regions     = 1,
1185                 .regions        = {
1186                         ERASEINFO(0x10000,8),
1187                 }
1188         }, {
1189                 .mfr_id         = MANUFACTURER_MACRONIX,
1190                 .dev_id         = MX29F016,
1191                 .name           = "Macronix MX29F016",
1192                 .devtypes       = CFI_DEVICETYPE_X8,
1193                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1194                 .dev_size       = SIZE_2MiB,
1195                 .cmd_set        = P_ID_AMD_STD,
1196                 .nr_regions     = 1,
1197                 .regions        = {
1198                         ERASEINFO(0x10000,32),
1199                 }
1200         }, {
1201                 .mfr_id         = MANUFACTURER_MACRONIX,
1202                 .dev_id         = MX29F004T,
1203                 .name           = "Macronix MX29F004T",
1204                 .devtypes       = CFI_DEVICETYPE_X8,
1205                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1206                 .dev_size       = SIZE_512KiB,
1207                 .cmd_set        = P_ID_AMD_STD,
1208                 .nr_regions     = 4,
1209                 .regions        = {
1210                         ERASEINFO(0x10000,7),
1211                         ERASEINFO(0x08000,1),
1212                         ERASEINFO(0x02000,2),
1213                         ERASEINFO(0x04000,1),
1214                 }
1215         }, {
1216                 .mfr_id         = MANUFACTURER_MACRONIX,
1217                 .dev_id         = MX29F004B,
1218                 .name           = "Macronix MX29F004B",
1219                 .devtypes       = CFI_DEVICETYPE_X8,
1220                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1221                 .dev_size       = SIZE_512KiB,
1222                 .cmd_set        = P_ID_AMD_STD,
1223                 .nr_regions     = 4,
1224                 .regions        = {
1225                         ERASEINFO(0x04000,1),
1226                         ERASEINFO(0x02000,2),
1227                         ERASEINFO(0x08000,1),
1228                         ERASEINFO(0x10000,7),
1229                 }
1230         }, {
1231                 .mfr_id         = MANUFACTURER_MACRONIX,
1232                 .dev_id         = MX29F002T,
1233                 .name           = "Macronix MX29F002T",
1234                 .devtypes       = CFI_DEVICETYPE_X8,
1235                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1236                 .dev_size       = SIZE_256KiB,
1237                 .cmd_set        = P_ID_AMD_STD,
1238                 .nr_regions     = 4,
1239                 .regions        = {
1240                         ERASEINFO(0x10000,3),
1241                         ERASEINFO(0x08000,1),
1242                         ERASEINFO(0x02000,2),
1243                         ERASEINFO(0x04000,1),
1244                 }
1245         }, {
1246                 .mfr_id         = MANUFACTURER_PMC,
1247                 .dev_id         = PM49FL002,
1248                 .name           = "PMC Pm49FL002",
1249                 .devtypes       = CFI_DEVICETYPE_X8,
1250                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1251                 .dev_size       = SIZE_256KiB,
1252                 .cmd_set        = P_ID_AMD_STD,
1253                 .nr_regions     = 1,
1254                 .regions        = {
1255                         ERASEINFO( 0x01000, 64 )
1256                 }
1257         }, {
1258                 .mfr_id         = MANUFACTURER_PMC,
1259                 .dev_id         = PM49FL004,
1260                 .name           = "PMC Pm49FL004",
1261                 .devtypes       = CFI_DEVICETYPE_X8,
1262                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1263                 .dev_size       = SIZE_512KiB,
1264                 .cmd_set        = P_ID_AMD_STD,
1265                 .nr_regions     = 1,
1266                 .regions        = {
1267                         ERASEINFO( 0x01000, 128 )
1268                 }
1269         }, {
1270                 .mfr_id         = MANUFACTURER_PMC,
1271                 .dev_id         = PM49FL008,
1272                 .name           = "PMC Pm49FL008",
1273                 .devtypes       = CFI_DEVICETYPE_X8,
1274                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1275                 .dev_size       = SIZE_1MiB,
1276                 .cmd_set        = P_ID_AMD_STD,
1277                 .nr_regions     = 1,
1278                 .regions        = {
1279                         ERASEINFO( 0x01000, 256 )
1280                 }
1281         }, {
1282                 .mfr_id         = MANUFACTURER_SHARP,
1283                 .dev_id         = LH28F640BF,
1284                 .name           = "LH28F640BF",
1285                 .devtypes       = CFI_DEVICETYPE_X8,
1286                 .uaddr          = MTD_UADDR_UNNECESSARY,
1287                 .dev_size       = SIZE_4MiB,
1288                 .cmd_set        = P_ID_INTEL_STD,
1289                 .nr_regions     = 1,
1290                 .regions        = {
1291                         ERASEINFO(0x40000,16),
1292                 }
1293         }, {
1294                 .mfr_id         = MANUFACTURER_SST,
1295                 .dev_id         = SST39LF512,
1296                 .name           = "SST 39LF512",
1297                 .devtypes       = CFI_DEVICETYPE_X8,
1298                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1299                 .dev_size       = SIZE_64KiB,
1300                 .cmd_set        = P_ID_AMD_STD,
1301                 .nr_regions     = 1,
1302                 .regions        = {
1303                         ERASEINFO(0x01000,16),
1304                 }
1305         }, {
1306                 .mfr_id         = MANUFACTURER_SST,
1307                 .dev_id         = SST39LF010,
1308                 .name           = "SST 39LF010",
1309                 .devtypes       = CFI_DEVICETYPE_X8,
1310                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1311                 .dev_size       = SIZE_128KiB,
1312                 .cmd_set        = P_ID_AMD_STD,
1313                 .nr_regions     = 1,
1314                 .regions        = {
1315                         ERASEINFO(0x01000,32),
1316                 }
1317         }, {
1318                 .mfr_id         = MANUFACTURER_SST,
1319                 .dev_id         = SST29EE020,
1320                 .name           = "SST 29EE020",
1321                 .devtypes       = CFI_DEVICETYPE_X8,
1322                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1323                 .dev_size       = SIZE_256KiB,
1324                 .cmd_set        = P_ID_SST_PAGE,
1325                 .nr_regions     = 1,
1326                 .regions = {ERASEINFO(0x01000,64),
1327                 }
1328         }, {
1329                 .mfr_id         = MANUFACTURER_SST,
1330                 .dev_id         = SST29LE020,
1331                 .name           = "SST 29LE020",
1332                 .devtypes       = CFI_DEVICETYPE_X8,
1333                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1334                 .dev_size       = SIZE_256KiB,
1335                 .cmd_set        = P_ID_SST_PAGE,
1336                 .nr_regions     = 1,
1337                 .regions = {ERASEINFO(0x01000,64),
1338                 }
1339         }, {
1340                 .mfr_id         = MANUFACTURER_SST,
1341                 .dev_id         = SST39LF020,
1342                 .name           = "SST 39LF020",
1343                 .devtypes       = CFI_DEVICETYPE_X8,
1344                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1345                 .dev_size       = SIZE_256KiB,
1346                 .cmd_set        = P_ID_AMD_STD,
1347                 .nr_regions     = 1,
1348                 .regions        = {
1349                         ERASEINFO(0x01000,64),
1350                 }
1351         }, {
1352                 .mfr_id         = MANUFACTURER_SST,
1353                 .dev_id         = SST39LF040,
1354                 .name           = "SST 39LF040",
1355                 .devtypes       = CFI_DEVICETYPE_X8,
1356                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1357                 .dev_size       = SIZE_512KiB,
1358                 .cmd_set        = P_ID_AMD_STD,
1359                 .nr_regions     = 1,
1360                 .regions        = {
1361                         ERASEINFO(0x01000,128),
1362                 }
1363         }, {
1364                 .mfr_id         = MANUFACTURER_SST,
1365                 .dev_id         = SST39SF010A,
1366                 .name           = "SST 39SF010A",
1367                 .devtypes       = CFI_DEVICETYPE_X8,
1368                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1369                 .dev_size       = SIZE_128KiB,
1370                 .cmd_set        = P_ID_AMD_STD,
1371                 .nr_regions     = 1,
1372                 .regions        = {
1373                         ERASEINFO(0x01000,32),
1374                 }
1375         }, {
1376                 .mfr_id         = MANUFACTURER_SST,
1377                 .dev_id         = SST39SF020A,
1378                 .name           = "SST 39SF020A",
1379                 .devtypes       = CFI_DEVICETYPE_X8,
1380                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1381                 .dev_size       = SIZE_256KiB,
1382                 .cmd_set        = P_ID_AMD_STD,
1383                 .nr_regions     = 1,
1384                 .regions        = {
1385                         ERASEINFO(0x01000,64),
1386                 }
1387         }, {
1388                 .mfr_id         = MANUFACTURER_SST,
1389                 .dev_id         = SST49LF040B,
1390                 .name           = "SST 49LF040B",
1391                 .devtypes       = CFI_DEVICETYPE_X8,
1392                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1393                 .dev_size       = SIZE_512KiB,
1394                 .cmd_set        = P_ID_AMD_STD,
1395                 .nr_regions     = 1,
1396                 .regions        = {
1397                         ERASEINFO(0x01000,128),
1398                 }
1399         }, {
1400
1401                 .mfr_id         = MANUFACTURER_SST,
1402                 .dev_id         = SST49LF004B,
1403                 .name           = "SST 49LF004B",
1404                 .devtypes       = CFI_DEVICETYPE_X8,
1405                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1406                 .dev_size       = SIZE_512KiB,
1407                 .cmd_set        = P_ID_AMD_STD,
1408                 .nr_regions     = 1,
1409                 .regions        = {
1410                         ERASEINFO(0x01000,128),
1411                 }
1412         }, {
1413                 .mfr_id         = MANUFACTURER_SST,
1414                 .dev_id         = SST49LF008A,
1415                 .name           = "SST 49LF008A",
1416                 .devtypes       = CFI_DEVICETYPE_X8,
1417                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1418                 .dev_size       = SIZE_1MiB,
1419                 .cmd_set        = P_ID_AMD_STD,
1420                 .nr_regions     = 1,
1421                 .regions        = {
1422                         ERASEINFO(0x01000,256),
1423                 }
1424         }, {
1425                 .mfr_id         = MANUFACTURER_SST,
1426                 .dev_id         = SST49LF030A,
1427                 .name           = "SST 49LF030A",
1428                 .devtypes       = CFI_DEVICETYPE_X8,
1429                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1430                 .dev_size       = SIZE_512KiB,
1431                 .cmd_set        = P_ID_AMD_STD,
1432                 .nr_regions     = 1,
1433                 .regions        = {
1434                         ERASEINFO(0x01000,96),
1435                 }
1436         }, {
1437                 .mfr_id         = MANUFACTURER_SST,
1438                 .dev_id         = SST49LF040A,
1439                 .name           = "SST 49LF040A",
1440                 .devtypes       = CFI_DEVICETYPE_X8,
1441                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1442                 .dev_size       = SIZE_512KiB,
1443                 .cmd_set        = P_ID_AMD_STD,
1444                 .nr_regions     = 1,
1445                 .regions        = {
1446                         ERASEINFO(0x01000,128),
1447                 }
1448         }, {
1449                 .mfr_id         = MANUFACTURER_SST,
1450                 .dev_id         = SST49LF080A,
1451                 .name           = "SST 49LF080A",
1452                 .devtypes       = CFI_DEVICETYPE_X8,
1453                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1454                 .dev_size       = SIZE_1MiB,
1455                 .cmd_set        = P_ID_AMD_STD,
1456                 .nr_regions     = 1,
1457                 .regions        = {
1458                         ERASEINFO(0x01000,256),
1459                 }
1460         }, {
1461                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1462                 .dev_id         = SST39LF160,
1463                 .name           = "SST 39LF160",
1464                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1465                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1466                 .dev_size       = SIZE_2MiB,
1467                 .cmd_set        = P_ID_AMD_STD,
1468                 .nr_regions     = 2,
1469                 .regions        = {
1470                         ERASEINFO(0x1000,256),
1471                         ERASEINFO(0x1000,256)
1472                 }
1473         }, {
1474                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1475                 .dev_id         = SST39VF1601,
1476                 .name           = "SST 39VF1601",
1477                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1478                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1479                 .dev_size       = SIZE_2MiB,
1480                 .cmd_set        = P_ID_AMD_STD,
1481                 .nr_regions     = 2,
1482                 .regions        = {
1483                         ERASEINFO(0x1000,256),
1484                         ERASEINFO(0x1000,256)
1485                 }
1486         }, {
1487                 .mfr_id         = MANUFACTURER_SST,
1488                 .dev_id         = SST36VF3203,
1489                 .name           = "SST 36VF3203",
1490                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1491                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1492                 .dev_size       = SIZE_4MiB,
1493                 .cmd_set        = P_ID_AMD_STD,
1494                 .nr_regions     = 1,
1495                 .regions        = {
1496                         ERASEINFO(0x10000,64),
1497                 }
1498         }, {
1499                 .mfr_id         = MANUFACTURER_ST,
1500                 .dev_id         = M29F800AB,
1501                 .name           = "ST M29F800AB",
1502                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1503                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1504                 .dev_size       = SIZE_1MiB,
1505                 .cmd_set        = P_ID_AMD_STD,
1506                 .nr_regions     = 4,
1507                 .regions        = {
1508                         ERASEINFO(0x04000,1),
1509                         ERASEINFO(0x02000,2),
1510                         ERASEINFO(0x08000,1),
1511                         ERASEINFO(0x10000,15),
1512                 }
1513         }, {
1514                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1515                 .dev_id         = M29W800DT,
1516                 .name           = "ST M29W800DT",
1517                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1518                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1519                 .dev_size       = SIZE_1MiB,
1520                 .cmd_set        = P_ID_AMD_STD,
1521                 .nr_regions     = 4,
1522                 .regions        = {
1523                         ERASEINFO(0x10000,15),
1524                         ERASEINFO(0x08000,1),
1525                         ERASEINFO(0x02000,2),
1526                         ERASEINFO(0x04000,1)
1527                 }
1528         }, {
1529                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1530                 .dev_id         = M29W800DB,
1531                 .name           = "ST M29W800DB",
1532                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1533                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1534                 .dev_size       = SIZE_1MiB,
1535                 .cmd_set        = P_ID_AMD_STD,
1536                 .nr_regions     = 4,
1537                 .regions        = {
1538                         ERASEINFO(0x04000,1),
1539                         ERASEINFO(0x02000,2),
1540                         ERASEINFO(0x08000,1),
1541                         ERASEINFO(0x10000,15)
1542                 }
1543         },  {
1544                 .mfr_id         = MANUFACTURER_ST,
1545                 .dev_id         = M29W400DT,
1546                 .name           = "ST M29W400DT",
1547                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1548                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1549                 .dev_size       = SIZE_512KiB,
1550                 .cmd_set        = P_ID_AMD_STD,
1551                 .nr_regions     = 4,
1552                 .regions        = {
1553                         ERASEINFO(0x04000,7),
1554                         ERASEINFO(0x02000,1),
1555                         ERASEINFO(0x08000,2),
1556                         ERASEINFO(0x10000,1)
1557                 }
1558         }, {
1559                 .mfr_id         = MANUFACTURER_ST,
1560                 .dev_id         = M29W400DB,
1561                 .name           = "ST M29W400DB",
1562                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1563                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1564                 .dev_size       = SIZE_512KiB,
1565                 .cmd_set        = P_ID_AMD_STD,
1566                 .nr_regions     = 4,
1567                 .regions        = {
1568                         ERASEINFO(0x04000,1),
1569                         ERASEINFO(0x02000,2),
1570                         ERASEINFO(0x08000,1),
1571                         ERASEINFO(0x10000,7)
1572                 }
1573         }, {
1574                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1575                 .dev_id         = M29W160DT,
1576                 .name           = "ST M29W160DT",
1577                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1578                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1579                 .dev_size       = SIZE_2MiB,
1580                 .cmd_set        = P_ID_AMD_STD,
1581                 .nr_regions     = 4,
1582                 .regions        = {
1583                         ERASEINFO(0x10000,31),
1584                         ERASEINFO(0x08000,1),
1585                         ERASEINFO(0x02000,2),
1586                         ERASEINFO(0x04000,1)
1587                 }
1588         }, {
1589                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1590                 .dev_id         = M29W160DB,
1591                 .name           = "ST M29W160DB",
1592                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1593                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1594                 .dev_size       = SIZE_2MiB,
1595                 .cmd_set        = P_ID_AMD_STD,
1596                 .nr_regions     = 4,
1597                 .regions        = {
1598                         ERASEINFO(0x04000,1),
1599                         ERASEINFO(0x02000,2),
1600                         ERASEINFO(0x08000,1),
1601                         ERASEINFO(0x10000,31)
1602                 }
1603         }, {
1604                 .mfr_id         = MANUFACTURER_ST,
1605                 .dev_id         = M29W040B,
1606                 .name           = "ST M29W040B",
1607                 .devtypes       = CFI_DEVICETYPE_X8,
1608                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1609                 .dev_size       = SIZE_512KiB,
1610                 .cmd_set        = P_ID_AMD_STD,
1611                 .nr_regions     = 1,
1612                 .regions        = {
1613                         ERASEINFO(0x10000,8),
1614                 }
1615         }, {
1616                 .mfr_id         = MANUFACTURER_ST,
1617                 .dev_id         = M50FW040,
1618                 .name           = "ST M50FW040",
1619                 .devtypes       = CFI_DEVICETYPE_X8,
1620                 .uaddr          = MTD_UADDR_UNNECESSARY,
1621                 .dev_size       = SIZE_512KiB,
1622                 .cmd_set        = P_ID_INTEL_EXT,
1623                 .nr_regions     = 1,
1624                 .regions        = {
1625                         ERASEINFO(0x10000,8),
1626                 }
1627         }, {
1628                 .mfr_id         = MANUFACTURER_ST,
1629                 .dev_id         = M50FW080,
1630                 .name           = "ST M50FW080",
1631                 .devtypes       = CFI_DEVICETYPE_X8,
1632                 .uaddr          = MTD_UADDR_UNNECESSARY,
1633                 .dev_size       = SIZE_1MiB,
1634                 .cmd_set        = P_ID_INTEL_EXT,
1635                 .nr_regions     = 1,
1636                 .regions        = {
1637                         ERASEINFO(0x10000,16),
1638                 }
1639         }, {
1640                 .mfr_id         = MANUFACTURER_ST,
1641                 .dev_id         = M50FW016,
1642                 .name           = "ST M50FW016",
1643                 .devtypes       = CFI_DEVICETYPE_X8,
1644                 .uaddr          = MTD_UADDR_UNNECESSARY,
1645                 .dev_size       = SIZE_2MiB,
1646                 .cmd_set        = P_ID_INTEL_EXT,
1647                 .nr_regions     = 1,
1648                 .regions        = {
1649                         ERASEINFO(0x10000,32),
1650                 }
1651         }, {
1652                 .mfr_id         = MANUFACTURER_ST,
1653                 .dev_id         = M50LPW080,
1654                 .name           = "ST M50LPW080",
1655                 .devtypes       = CFI_DEVICETYPE_X8,
1656                 .uaddr          = MTD_UADDR_UNNECESSARY,
1657                 .dev_size       = SIZE_1MiB,
1658                 .cmd_set        = P_ID_INTEL_EXT,
1659                 .nr_regions     = 1,
1660                 .regions        = {
1661                         ERASEINFO(0x10000,16),
1662                 },
1663         }, {
1664                 .mfr_id         = MANUFACTURER_ST,
1665                 .dev_id         = M50FLW080A,
1666                 .name           = "ST M50FLW080A",
1667                 .devtypes       = CFI_DEVICETYPE_X8,
1668                 .uaddr          = MTD_UADDR_UNNECESSARY,
1669                 .dev_size       = SIZE_1MiB,
1670                 .cmd_set        = P_ID_INTEL_EXT,
1671                 .nr_regions     = 4,
1672                 .regions        = {
1673                         ERASEINFO(0x1000,16),
1674                         ERASEINFO(0x10000,13),
1675                         ERASEINFO(0x1000,16),
1676                         ERASEINFO(0x1000,16),
1677                 }
1678         }, {
1679                 .mfr_id         = MANUFACTURER_ST,
1680                 .dev_id         = M50FLW080B,
1681                 .name           = "ST M50FLW080B",
1682                 .devtypes       = CFI_DEVICETYPE_X8,
1683                 .uaddr          = MTD_UADDR_UNNECESSARY,
1684                 .dev_size       = SIZE_1MiB,
1685                 .cmd_set        = P_ID_INTEL_EXT,
1686                 .nr_regions     = 4,
1687                 .regions        = {
1688                         ERASEINFO(0x1000,16),
1689                         ERASEINFO(0x1000,16),
1690                         ERASEINFO(0x10000,13),
1691                         ERASEINFO(0x1000,16),
1692                 }
1693         }, {
1694                 .mfr_id         = MANUFACTURER_TOSHIBA,
1695                 .dev_id         = TC58FVT160,
1696                 .name           = "Toshiba TC58FVT160",
1697                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1698                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1699                 .dev_size       = SIZE_2MiB,
1700                 .cmd_set        = P_ID_AMD_STD,
1701                 .nr_regions     = 4,
1702                 .regions        = {
1703                         ERASEINFO(0x10000,31),
1704                         ERASEINFO(0x08000,1),
1705                         ERASEINFO(0x02000,2),
1706                         ERASEINFO(0x04000,1)
1707                 }
1708         }, {
1709                 .mfr_id         = MANUFACTURER_TOSHIBA,
1710                 .dev_id         = TC58FVB160,
1711                 .name           = "Toshiba TC58FVB160",
1712                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1713                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1714                 .dev_size       = SIZE_2MiB,
1715                 .cmd_set        = P_ID_AMD_STD,
1716                 .nr_regions     = 4,
1717                 .regions        = {
1718                         ERASEINFO(0x04000,1),
1719                         ERASEINFO(0x02000,2),
1720                         ERASEINFO(0x08000,1),
1721                         ERASEINFO(0x10000,31)
1722                 }
1723         }, {
1724                 .mfr_id         = MANUFACTURER_TOSHIBA,
1725                 .dev_id         = TC58FVB321,
1726                 .name           = "Toshiba TC58FVB321",
1727                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1728                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1729                 .dev_size       = SIZE_4MiB,
1730                 .cmd_set        = P_ID_AMD_STD,
1731                 .nr_regions     = 2,
1732                 .regions        = {
1733                         ERASEINFO(0x02000,8),
1734                         ERASEINFO(0x10000,63)
1735                 }
1736         }, {
1737                 .mfr_id         = MANUFACTURER_TOSHIBA,
1738                 .dev_id         = TC58FVT321,
1739                 .name           = "Toshiba TC58FVT321",
1740                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1741                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1742                 .dev_size       = SIZE_4MiB,
1743                 .cmd_set        = P_ID_AMD_STD,
1744                 .nr_regions     = 2,
1745                 .regions        = {
1746                         ERASEINFO(0x10000,63),
1747                         ERASEINFO(0x02000,8)
1748                 }
1749         }, {
1750                 .mfr_id         = MANUFACTURER_TOSHIBA,
1751                 .dev_id         = TC58FVB641,
1752                 .name           = "Toshiba TC58FVB641",
1753                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1754                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1755                 .dev_size       = SIZE_8MiB,
1756                 .cmd_set        = P_ID_AMD_STD,
1757                 .nr_regions     = 2,
1758                 .regions        = {
1759                         ERASEINFO(0x02000,8),
1760                         ERASEINFO(0x10000,127)
1761                 }
1762         }, {
1763                 .mfr_id         = MANUFACTURER_TOSHIBA,
1764                 .dev_id         = TC58FVT641,
1765                 .name           = "Toshiba TC58FVT641",
1766                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1767                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1768                 .dev_size       = SIZE_8MiB,
1769                 .cmd_set        = P_ID_AMD_STD,
1770                 .nr_regions     = 2,
1771                 .regions        = {
1772                         ERASEINFO(0x10000,127),
1773                         ERASEINFO(0x02000,8)
1774                 }
1775         }, {
1776                 .mfr_id         = MANUFACTURER_WINBOND,
1777                 .dev_id         = W49V002A,
1778                 .name           = "Winbond W49V002A",
1779                 .devtypes       = CFI_DEVICETYPE_X8,
1780                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1781                 .dev_size       = SIZE_256KiB,
1782                 .cmd_set        = P_ID_AMD_STD,
1783                 .nr_regions     = 4,
1784                 .regions        = {
1785                         ERASEINFO(0x10000, 3),
1786                         ERASEINFO(0x08000, 1),
1787                         ERASEINFO(0x02000, 2),
1788                         ERASEINFO(0x04000, 1),
1789                 }
1790         }
1791 };
1792
1793 static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1794         struct cfi_private *cfi)
1795 {
1796         map_word result;
1797         unsigned long mask;
1798         int bank = 0;
1799
1800         /* According to JEDEC "Standard Manufacturer's Identification Code"
1801          * (http://www.jedec.org/download/search/jep106W.pdf)
1802          * several first banks can contain 0x7f instead of actual ID
1803          */
1804         do {
1805                 uint32_t ofs = cfi_build_cmd_addr(0 + (bank << 8),
1806                                                   cfi_interleave(cfi),
1807                                                   cfi->device_type);
1808                 mask = (1 << (cfi->device_type * 8)) - 1;
1809                 result = map_read(map, base + ofs);
1810                 bank++;
1811         } while ((result.x[0] & mask) == CONTINUATION_CODE);
1812
1813         return result.x[0] & mask;
1814 }
1815
1816 static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1817         struct cfi_private *cfi)
1818 {
1819         map_word result;
1820         unsigned long mask;
1821         u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type);
1822         mask = (1 << (cfi->device_type * 8)) -1;
1823         result = map_read(map, base + ofs);
1824         return result.x[0] & mask;
1825 }
1826
1827 static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi)
1828 {
1829         /* Reset */
1830
1831         /* after checking the datasheets for SST, MACRONIX and ATMEL
1832          * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1833          * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1834          * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1835          * as they will ignore the writes and dont care what address
1836          * the F0 is written to */
1837         if (cfi->addr_unlock1) {
1838                 DEBUG( MTD_DEBUG_LEVEL3,
1839                        "reset unlock called %x %x \n",
1840                        cfi->addr_unlock1,cfi->addr_unlock2);
1841                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1842                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1843         }
1844
1845         cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1846         /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1847          * so ensure we're in read mode.  Send both the Intel and the AMD command
1848          * for this.  Intel uses 0xff for this, AMD uses 0xff for NOP, so
1849          * this should be safe.
1850          */
1851         cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1852         /* FIXME - should have reset delay before continuing */
1853 }
1854
1855
1856 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1857 {
1858         int i,num_erase_regions;
1859         uint8_t uaddr;
1860
1861         if (! (jedec_table[index].devtypes & p_cfi->device_type)) {
1862                 DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n",
1863                       jedec_table[index].name, 4 * (1<<p_cfi->device_type));
1864                 return 0;
1865         }
1866
1867         printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1868
1869         num_erase_regions = jedec_table[index].nr_regions;
1870
1871         p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1872         if (!p_cfi->cfiq) {
1873                 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1874                 return 0;
1875         }
1876
1877         memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1878
1879         p_cfi->cfiq->P_ID = jedec_table[index].cmd_set;
1880         p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions;
1881         p_cfi->cfiq->DevSize = jedec_table[index].dev_size;
1882         p_cfi->cfi_mode = CFI_MODE_JEDEC;
1883
1884         for (i=0; i<num_erase_regions; i++){
1885                 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1886         }
1887         p_cfi->cmdset_priv = NULL;
1888
1889         /* This may be redundant for some cases, but it doesn't hurt */
1890         p_cfi->mfr = jedec_table[index].mfr_id;
1891         p_cfi->id = jedec_table[index].dev_id;
1892
1893         uaddr = jedec_table[index].uaddr;
1894
1895         /* The table has unlock addresses in _bytes_, and we try not to let
1896            our brains explode when we see the datasheets talking about address
1897            lines numbered from A-1 to A18. The CFI table has unlock addresses
1898            in device-words according to the mode the device is connected in */
1899         p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type;
1900         p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type;
1901
1902         return 1;       /* ok */
1903 }
1904
1905
1906 /*
1907  * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1908  * the mapped address, unlock addresses, and proper chip ID.  This function
1909  * attempts to minimize errors.  It is doubtfull that this probe will ever
1910  * be perfect - consequently there should be some module parameters that
1911  * could be manually specified to force the chip info.
1912  */
1913 static inline int jedec_match( uint32_t base,
1914                                struct map_info *map,
1915                                struct cfi_private *cfi,
1916                                const struct amd_flash_info *finfo )
1917 {
1918         int rc = 0;           /* failure until all tests pass */
1919         u32 mfr, id;
1920         uint8_t uaddr;
1921
1922         /*
1923          * The IDs must match.  For X16 and X32 devices operating in
1924          * a lower width ( X8 or X16 ), the device ID's are usually just
1925          * the lower byte(s) of the larger device ID for wider mode.  If
1926          * a part is found that doesn't fit this assumption (device id for
1927          * smaller width mode is completely unrealated to full-width mode)
1928          * then the jedec_table[] will have to be augmented with the IDs
1929          * for different widths.
1930          */
1931         switch (cfi->device_type) {
1932         case CFI_DEVICETYPE_X8:
1933                 mfr = (uint8_t)finfo->mfr_id;
1934                 id = (uint8_t)finfo->dev_id;
1935
1936                 /* bjd: it seems that if we do this, we can end up
1937                  * detecting 16bit flashes as an 8bit device, even though
1938                  * there aren't.
1939                  */
1940                 if (finfo->dev_id > 0xff) {
1941                         DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1942                                __func__);
1943                         goto match_done;
1944                 }
1945                 break;
1946         case CFI_DEVICETYPE_X16:
1947                 mfr = (uint16_t)finfo->mfr_id;
1948                 id = (uint16_t)finfo->dev_id;
1949                 break;
1950         case CFI_DEVICETYPE_X32:
1951                 mfr = (uint16_t)finfo->mfr_id;
1952                 id = (uint32_t)finfo->dev_id;
1953                 break;
1954         default:
1955                 printk(KERN_WARNING
1956                        "MTD %s(): Unsupported device type %d\n",
1957                        __func__, cfi->device_type);
1958                 goto match_done;
1959         }
1960         if ( cfi->mfr != mfr || cfi->id != id ) {
1961                 goto match_done;
1962         }
1963
1964         /* the part size must fit in the memory window */
1965         DEBUG( MTD_DEBUG_LEVEL3,
1966                "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1967                __func__, base, 1 << finfo->dev_size, base + (1 << finfo->dev_size) );
1968         if ( base + cfi_interleave(cfi) * ( 1 << finfo->dev_size ) > map->size ) {
1969                 DEBUG( MTD_DEBUG_LEVEL3,
1970                        "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1971                        __func__, finfo->mfr_id, finfo->dev_id,
1972                        1 << finfo->dev_size );
1973                 goto match_done;
1974         }
1975
1976         if (! (finfo->devtypes & cfi->device_type))
1977                 goto match_done;
1978
1979         uaddr = finfo->uaddr;
1980
1981         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
1982                __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
1983         if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
1984              && ( unlock_addrs[uaddr].addr1 / cfi->device_type != cfi->addr_unlock1 ||
1985                   unlock_addrs[uaddr].addr2 / cfi->device_type != cfi->addr_unlock2 ) ) {
1986                 DEBUG( MTD_DEBUG_LEVEL3,
1987                         "MTD %s(): 0x%.4x 0x%.4x did not match\n",
1988                         __func__,
1989                         unlock_addrs[uaddr].addr1,
1990                         unlock_addrs[uaddr].addr2);
1991                 goto match_done;
1992         }
1993
1994         /*
1995          * Make sure the ID's dissappear when the device is taken out of
1996          * ID mode.  The only time this should fail when it should succeed
1997          * is when the ID's are written as data to the same
1998          * addresses.  For this rare and unfortunate case the chip
1999          * cannot be probed correctly.
2000          * FIXME - write a driver that takes all of the chip info as
2001          * module parameters, doesn't probe but forces a load.
2002          */
2003         DEBUG( MTD_DEBUG_LEVEL3,
2004                "MTD %s(): check ID's disappear when not in ID mode\n",
2005                __func__ );
2006         jedec_reset( base, map, cfi );
2007         mfr = jedec_read_mfr( map, base, cfi );
2008         id = jedec_read_id( map, base, cfi );
2009         if ( mfr == cfi->mfr && id == cfi->id ) {
2010                 DEBUG( MTD_DEBUG_LEVEL3,
2011                        "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
2012                        "You might need to manually specify JEDEC parameters.\n",
2013                         __func__, cfi->mfr, cfi->id );
2014                 goto match_done;
2015         }
2016
2017         /* all tests passed - mark  as success */
2018         rc = 1;
2019
2020         /*
2021          * Put the device back in ID mode - only need to do this if we
2022          * were truly frobbing a real device.
2023          */
2024         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
2025         if (cfi->addr_unlock1) {
2026                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2027                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2028         }
2029         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2030         /* FIXME - should have a delay before continuing */
2031
2032  match_done:
2033         return rc;
2034 }
2035
2036
2037 static int jedec_probe_chip(struct map_info *map, __u32 base,
2038                             unsigned long *chip_map, struct cfi_private *cfi)
2039 {
2040         int i;
2041         enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
2042         u32 probe_offset1, probe_offset2;
2043
2044  retry:
2045         if (!cfi->numchips) {
2046                 uaddr_idx++;
2047
2048                 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2049                         return 0;
2050
2051                 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1 / cfi->device_type;
2052                 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2 / cfi->device_type;
2053         }
2054
2055         /* Make certain we aren't probing past the end of map */
2056         if (base >= map->size) {
2057                 printk(KERN_NOTICE
2058                         "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2059                         base, map->size -1);
2060                 return 0;
2061
2062         }
2063         /* Ensure the unlock addresses we try stay inside the map */
2064         probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, cfi_interleave(cfi), cfi->device_type);
2065         probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, cfi_interleave(cfi), cfi->device_type);
2066         if (    ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2067                 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2068                 goto retry;
2069
2070         /* Reset */
2071         jedec_reset(base, map, cfi);
2072
2073         /* Autoselect Mode */
2074         if(cfi->addr_unlock1) {
2075                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2076                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2077         }
2078         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2079         /* FIXME - should have a delay before continuing */
2080
2081         if (!cfi->numchips) {
2082                 /* This is the first time we're called. Set up the CFI
2083                    stuff accordingly and return */
2084
2085                 cfi->mfr = jedec_read_mfr(map, base, cfi);
2086                 cfi->id = jedec_read_id(map, base, cfi);
2087                 DEBUG(MTD_DEBUG_LEVEL3,
2088                       "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2089                         cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2090                 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
2091                         if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
2092                                 DEBUG( MTD_DEBUG_LEVEL3,
2093                                        "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2094                                        __func__, cfi->mfr, cfi->id,
2095                                        cfi->addr_unlock1, cfi->addr_unlock2 );
2096                                 if (!cfi_jedec_setup(cfi, i))
2097                                         return 0;
2098                                 goto ok_out;
2099                         }
2100                 }
2101                 goto retry;
2102         } else {
2103                 uint16_t mfr;
2104                 uint16_t id;
2105
2106                 /* Make sure it is a chip of the same manufacturer and id */
2107                 mfr = jedec_read_mfr(map, base, cfi);
2108                 id = jedec_read_id(map, base, cfi);
2109
2110                 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2111                         printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2112                                map->name, mfr, id, base);
2113                         jedec_reset(base, map, cfi);
2114                         return 0;
2115                 }
2116         }
2117
2118         /* Check each previous chip locations to see if it's an alias */
2119         for (i=0; i < (base >> cfi->chipshift); i++) {
2120                 unsigned long start;
2121                 if(!test_bit(i, chip_map)) {
2122                         continue; /* Skip location; no valid chip at this address */
2123                 }
2124                 start = i << cfi->chipshift;
2125                 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2126                     jedec_read_id(map, start, cfi) == cfi->id) {
2127                         /* Eep. This chip also looks like it's in autoselect mode.
2128                            Is it an alias for the new one? */
2129                         jedec_reset(start, map, cfi);
2130
2131                         /* If the device IDs go away, it's an alias */
2132                         if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2133                             jedec_read_id(map, base, cfi) != cfi->id) {
2134                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2135                                        map->name, base, start);
2136                                 return 0;
2137                         }
2138
2139                         /* Yes, it's actually got the device IDs as data. Most
2140                          * unfortunate. Stick the new chip in read mode
2141                          * too and if it's the same, assume it's an alias. */
2142                         /* FIXME: Use other modes to do a proper check */
2143                         jedec_reset(base, map, cfi);
2144                         if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2145                             jedec_read_id(map, base, cfi) == cfi->id) {
2146                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2147                                        map->name, base, start);
2148                                 return 0;
2149                         }
2150                 }
2151         }
2152
2153         /* OK, if we got to here, then none of the previous chips appear to
2154            be aliases for the current one. */
2155         set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2156         cfi->numchips++;
2157
2158 ok_out:
2159         /* Put it back into Read Mode */
2160         jedec_reset(base, map, cfi);
2161
2162         printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2163                map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2164                map->bankwidth*8);
2165
2166         return 1;
2167 }
2168
2169 static struct chip_probe jedec_chip_probe = {
2170         .name = "JEDEC",
2171         .probe_chip = jedec_probe_chip
2172 };
2173
2174 static struct mtd_info *jedec_probe(struct map_info *map)
2175 {
2176         /*
2177          * Just use the generic probe stuff to call our CFI-specific
2178          * chip_probe routine in all the possible permutations, etc.
2179          */
2180         return mtd_do_chip_probe(map, &jedec_chip_probe);
2181 }
2182
2183 static struct mtd_chip_driver jedec_chipdrv = {
2184         .probe  = jedec_probe,
2185         .name   = "jedec_probe",
2186         .module = THIS_MODULE
2187 };
2188
2189 static int __init jedec_probe_init(void)
2190 {
2191         register_mtd_chip_driver(&jedec_chipdrv);
2192         return 0;
2193 }
2194
2195 static void __exit jedec_probe_exit(void)
2196 {
2197         unregister_mtd_chip_driver(&jedec_chipdrv);
2198 }
2199
2200 module_init(jedec_probe_init);
2201 module_exit(jedec_probe_exit);
2202
2203 MODULE_LICENSE("GPL");
2204 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2205 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");