drivers/mtd/chips/jedec_probe.c

   1 /*
   2    Common Flash Interface probe code.
   3    (C) 2000 Red Hat. GPL'd.
   4    See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
   5    for the standard this probe goes back to.
   6
   7    Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
   8 */
   9
  10 #include <linux/module.h>
  11 #include <linux/init.h>
  12 #include <linux/types.h>
  13 #include <linux/kernel.h>
  14 #include <asm/io.h>
  15 #include <asm/byteorder.h>
  16 #include <linux/errno.h>
  17 #include <linux/slab.h>
  18 #include <linux/interrupt.h>
  19
  20 #include <linux/mtd/mtd.h>
  21 #include <linux/mtd/map.h>
  22 #include <linux/mtd/cfi.h>
  23 #include <linux/mtd/gen_probe.h>
  24
  25 /* Manufacturers */
  26 #define MANUFACTURER_AMD        0x0001
  27 #define MANUFACTURER_ATMEL      0x001f
  28 #define MANUFACTURER_EON        0x001c
  29 #define MANUFACTURER_FUJITSU    0x0004
  30 #define MANUFACTURER_HYUNDAI    0x00AD
  31 #define MANUFACTURER_INTEL      0x0089
  32 #define MANUFACTURER_MACRONIX   0x00C2
  33 #define MANUFACTURER_NEC        0x0010
  34 #define MANUFACTURER_PMC        0x009D
  35 #define MANUFACTURER_SHARP      0x00b0
  36 #define MANUFACTURER_SST        0x00BF
  37 #define MANUFACTURER_ST         0x0020
  38 #define MANUFACTURER_TOSHIBA    0x0098
  39 #define MANUFACTURER_WINBOND    0x00da
  40 #define CONTINUATION_CODE       0x007f
  41
  42
  43 /* AMD */
  44 #define AM29DL800BB     0x22CB
  45 #define AM29DL800BT     0x224A
  46
  47 #define AM29F800BB      0x2258
  48 #define AM29F800BT      0x22D6
  49 #define AM29LV400BB     0x22BA
  50 #define AM29LV400BT     0x22B9
  51 #define AM29LV800BB     0x225B
  52 #define AM29LV800BT     0x22DA
  53 #define AM29LV160DT     0x22C4
  54 #define AM29LV160DB     0x2249
  55 #define AM29F017D       0x003D
  56 #define AM29F016D       0x00AD
  57 #define AM29F080        0x00D5
  58 #define AM29F040        0x00A4
  59 #define AM29LV040B      0x004F
  60 #define AM29F032B       0x0041
  61 #define AM29F002T       0x00B0
  62 #define AM29SL800DB     0x226B
  63 #define AM29SL800DT     0x22EA
  64
  65 /* Atmel */
  66 #define AT49BV512       0x0003
  67 #define AT29LV512       0x003d
  68 #define AT49BV16X       0x00C0
  69 #define AT49BV16XT      0x00C2
  70 #define AT49BV32X       0x00C8
  71 #define AT49BV32XT      0x00C9
  72
  73 /* Eon */
  74 #define EN29SL800BB     0x226B
  75 #define EN29SL800BT     0x22EA
  76
  77 /* Fujitsu */
  78 #define MBM29F040C      0x00A4
  79 #define MBM29F800BA     0x2258
  80 #define MBM29LV650UE    0x22D7
  81 #define MBM29LV320TE    0x22F6
  82 #define MBM29LV320BE    0x22F9
  83 #define MBM29LV160TE    0x22C4
  84 #define MBM29LV160BE    0x2249
  85 #define MBM29LV800BA    0x225B
  86 #define MBM29LV800TA    0x22DA
  87 #define MBM29LV400TC    0x22B9
  88 #define MBM29LV400BC    0x22BA
  89
  90 /* Hyundai */
  91 #define HY29F002T       0x00B0
  92
  93 /* Intel */
  94 #define I28F004B3T      0x00d4
  95 #define I28F004B3B      0x00d5
  96 #define I28F400B3T      0x8894
  97 #define I28F400B3B      0x8895
  98 #define I28F008S5       0x00a6
  99 #define I28F016S5       0x00a0
 100 #define I28F008SA       0x00a2
 101 #define I28F008B3T      0x00d2
 102 #define I28F008B3B      0x00d3
 103 #define I28F800B3T      0x8892
 104 #define I28F800B3B      0x8893
 105 #define I28F016S3       0x00aa
 106 #define I28F016B3T      0x00d0
 107 #define I28F016B3B      0x00d1
 108 #define I28F160B3T      0x8890
 109 #define I28F160B3B      0x8891
 110 #define I28F320B3T      0x8896
 111 #define I28F320B3B      0x8897
 112 #define I28F640B3T      0x8898
 113 #define I28F640B3B      0x8899
 114 #define I28F640C3B      0x88CD
 115 #define I28F160F3T      0x88F3
 116 #define I28F160F3B      0x88F4
 117 #define I28F160C3T      0x88C2
 118 #define I28F160C3B      0x88C3
 119 #define I82802AB        0x00ad
 120 #define I82802AC        0x00ac
 121
 122 /* Macronix */
 123 #define MX29LV040C      0x004F
 124 #define MX29LV160T      0x22C4
 125 #define MX29LV160B      0x2249
 126 #define MX29F040        0x00A4
 127 #define MX29F016        0x00AD
 128 #define MX29F002T       0x00B0
 129 #define MX29F004T       0x0045
 130 #define MX29F004B       0x0046
 131
 132 /* NEC */
 133 #define UPD29F064115    0x221C
 134
 135 /* PMC */
 136 #define PM49FL002       0x006D
 137 #define PM49FL004       0x006E
 138 #define PM49FL008       0x006A
 139
 140 /* Sharp */
 141 #define LH28F640BF      0x00b0
 142
 143 /* ST - www.st.com */
 144 #define M29F800AB       0x0058
 145 #define M29W800DT       0x00D7
 146 #define M29W800DB       0x005B
 147 #define M29W400DT       0x00EE
 148 #define M29W400DB       0x00EF
 149 #define M29W160DT       0x22C4
 150 #define M29W160DB       0x2249
 151 #define M29W040B        0x00E3
 152 #define M50FW040        0x002C
 153 #define M50FW080        0x002D
 154 #define M50FW016        0x002E
 155 #define M50LPW080       0x002F
 156 #define M50FLW080A      0x0080
 157 #define M50FLW080B      0x0081
 158
 159 /* SST */
 160 #define SST29EE020      0x0010
 161 #define SST29LE020      0x0012
 162 #define SST29EE512      0x005d
 163 #define SST29LE512      0x003d
 164 #define SST39LF800      0x2781
 165 #define SST39LF160      0x2782
 166 #define SST39VF1601     0x234b
 167 #define SST39VF3201     0x235b
 168 #define SST39LF512      0x00D4
 169 #define SST39LF010      0x00D5
 170 #define SST39LF020      0x00D6
 171 #define SST39LF040      0x00D7
 172 #define SST39SF010A     0x00B5
 173 #define SST39SF020A     0x00B6
 174 #define SST39SF040      0x00B7
 175 #define SST49LF004B     0x0060
 176 #define SST49LF040B     0x0050
 177 #define SST49LF008A     0x005a
 178 #define SST49LF030A     0x001C
 179 #define SST49LF040A     0x0051
 180 #define SST49LF080A     0x005B
 181 #define SST36VF3203     0x7354
 182
 183 /* Toshiba */
 184 #define TC58FVT160      0x00C2
 185 #define TC58FVB160      0x0043
 186 #define TC58FVT321      0x009A
 187 #define TC58FVB321      0x009C
 188 #define TC58FVT641      0x0093
 189 #define TC58FVB641      0x0095
 190
 191 /* Winbond */
 192 #define W49V002A        0x00b0
 193
 194
 195 /*
 196  * Unlock address sets for AMD command sets.
 197  * Intel command sets use the MTD_UADDR_UNNECESSARY.
 198  * Each identifier, except MTD_UADDR_UNNECESSARY, and
 199  * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
 200  * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
 201  * initialization need not require initializing all of the
 202  * unlock addresses for all bit widths.
 203  */
 204 enum uaddr {
 205         MTD_UADDR_NOT_SUPPORTED = 0,    /* data width not supported */
 206         MTD_UADDR_0x0555_0x02AA,
 207         MTD_UADDR_0x0555_0x0AAA,
 208         MTD_UADDR_0x5555_0x2AAA,
 209         MTD_UADDR_0x0AAA_0x0555,
 210         MTD_UADDR_0xAAAA_0x5555,
 211         MTD_UADDR_DONT_CARE,            /* Requires an arbitrary address */
 212         MTD_UADDR_UNNECESSARY,          /* Does not require any address */
 213 };
 214
 215
 216 struct unlock_addr {
 217         uint32_t addr1;
 218         uint32_t addr2;
 219 };
 220
 221
 222 /*
 223  * I don't like the fact that the first entry in unlock_addrs[]
 224  * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
 225  * should not be used.  The  problem is that structures with
 226  * initializers have extra fields initialized to 0.  It is _very_
 227  * desireable to have the unlock address entries for unsupported
 228  * data widths automatically initialized - that means that
 229  * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
 230  * must go unused.
 231  */
 232 static const struct unlock_addr  unlock_addrs[] = {
 233         [MTD_UADDR_NOT_SUPPORTED] = {
 234                 .addr1 = 0xffff,
 235                 .addr2 = 0xffff
 236         },
 237
 238         [MTD_UADDR_0x0555_0x02AA] = {
 239                 .addr1 = 0x0555,
 240                 .addr2 = 0x02aa
 241         },
 242
 243         [MTD_UADDR_0x0555_0x0AAA] = {
 244                 .addr1 = 0x0555,
 245                 .addr2 = 0x0aaa
 246         },
 247
 248         [MTD_UADDR_0x5555_0x2AAA] = {
 249                 .addr1 = 0x5555,
 250                 .addr2 = 0x2aaa
 251         },
 252
 253         [MTD_UADDR_0x0AAA_0x0555] = {
 254                 .addr1 = 0x0AAA,
 255                 .addr2 = 0x0555
 256         },
 257
 258         [MTD_UADDR_0xAAAA_0x5555] = {
 259                 .addr1 = 0xaaaa,
 260                 .addr2 = 0x5555
 261         },
 262
 263         [MTD_UADDR_DONT_CARE] = {
 264                 .addr1 = 0x0000,      /* Doesn't matter which address */
 265                 .addr2 = 0x0000       /* is used - must be last entry */
 266         },
 267
 268         [MTD_UADDR_UNNECESSARY] = {
 269                 .addr1 = 0x0000,
 270                 .addr2 = 0x0000
 271         }
 272 };
 273
 274 struct amd_flash_info {
 275         const char *name;
 276         const uint16_t mfr_id;
 277         const uint16_t dev_id;
 278         const uint8_t dev_size;
 279         const uint8_t nr_regions;
 280         const uint16_t cmd_set;
 281         const uint32_t regions[6];
 282         const uint8_t devtypes;         /* Bitmask for x8, x16 etc. */
 283         const uint8_t uaddr;            /* unlock addrs for 8, 16, 32, 64 */
 284 };
 285
 286 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
 287
 288 #define SIZE_64KiB  16
 289 #define SIZE_128KiB 17
 290 #define SIZE_256KiB 18
 291 #define SIZE_512KiB 19
 292 #define SIZE_1MiB   20
 293 #define SIZE_2MiB   21
 294 #define SIZE_4MiB   22
 295 #define SIZE_8MiB   23
 296
 297
 298 /*
 299  * Please keep this list ordered by manufacturer!
 300  * Fortunately, the list isn't searched often and so a
 301  * slow, linear search isn't so bad.
 302  */
 303 static const struct amd_flash_info jedec_table[] = {
 304         {
 305                 .mfr_id         = MANUFACTURER_AMD,
 306                 .dev_id         = AM29F032B,
 307                 .name           = "AMD AM29F032B",
 308                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 309                 .devtypes       = CFI_DEVICETYPE_X8,
 310                 .dev_size       = SIZE_4MiB,
 311                 .cmd_set        = P_ID_AMD_STD,
 312                 .nr_regions     = 1,
 313                 .regions        = {
 314                         ERASEINFO(0x10000,64)
 315                 }
 316         }, {
 317                 .mfr_id         = MANUFACTURER_AMD,
 318                 .dev_id         = AM29LV160DT,
 319                 .name           = "AMD AM29LV160DT",
 320                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 321                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 322                 .dev_size       = SIZE_2MiB,
 323                 .cmd_set        = P_ID_AMD_STD,
 324                 .nr_regions     = 4,
 325                 .regions        = {
 326                         ERASEINFO(0x10000,31),
 327                         ERASEINFO(0x08000,1),
 328                         ERASEINFO(0x02000,2),
 329                         ERASEINFO(0x04000,1)
 330                 }
 331         }, {
 332                 .mfr_id         = MANUFACTURER_AMD,
 333                 .dev_id         = AM29LV160DB,
 334                 .name           = "AMD AM29LV160DB",
 335                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 336                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 337                 .dev_size       = SIZE_2MiB,
 338                 .cmd_set        = P_ID_AMD_STD,
 339                 .nr_regions     = 4,
 340                 .regions        = {
 341                         ERASEINFO(0x04000,1),
 342                         ERASEINFO(0x02000,2),
 343                         ERASEINFO(0x08000,1),
 344                         ERASEINFO(0x10000,31)
 345                 }
 346         }, {
 347                 .mfr_id         = MANUFACTURER_AMD,
 348                 .dev_id         = AM29LV400BB,
 349                 .name           = "AMD AM29LV400BB",
 350                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 351                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 352                 .dev_size       = SIZE_512KiB,
 353                 .cmd_set        = P_ID_AMD_STD,
 354                 .nr_regions     = 4,
 355                 .regions        = {
 356                         ERASEINFO(0x04000,1),
 357                         ERASEINFO(0x02000,2),
 358                         ERASEINFO(0x08000,1),
 359                         ERASEINFO(0x10000,7)
 360                 }
 361         }, {
 362                 .mfr_id         = MANUFACTURER_AMD,
 363                 .dev_id         = AM29LV400BT,
 364                 .name           = "AMD AM29LV400BT",
 365                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 366                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 367                 .dev_size       = SIZE_512KiB,
 368                 .cmd_set        = P_ID_AMD_STD,
 369                 .nr_regions     = 4,
 370                 .regions        = {
 371                         ERASEINFO(0x10000,7),
 372                         ERASEINFO(0x08000,1),
 373                         ERASEINFO(0x02000,2),
 374                         ERASEINFO(0x04000,1)
 375                 }
 376         }, {
 377                 .mfr_id         = MANUFACTURER_AMD,
 378                 .dev_id         = AM29LV800BB,
 379                 .name           = "AMD AM29LV800BB",
 380                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 381                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 382                 .dev_size       = SIZE_1MiB,
 383                 .cmd_set        = P_ID_AMD_STD,
 384                 .nr_regions     = 4,
 385                 .regions        = {
 386                         ERASEINFO(0x04000,1),
 387                         ERASEINFO(0x02000,2),
 388                         ERASEINFO(0x08000,1),
 389                         ERASEINFO(0x10000,15),
 390                 }
 391         }, {
 392 /* add DL */
 393                 .mfr_id         = MANUFACTURER_AMD,
 394                 .dev_id         = AM29DL800BB,
 395                 .name           = "AMD AM29DL800BB",
 396                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 397                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 398                 .dev_size       = SIZE_1MiB,
 399                 .cmd_set        = P_ID_AMD_STD,
 400                 .nr_regions     = 6,
 401                 .regions        = {
 402                         ERASEINFO(0x04000,1),
 403                         ERASEINFO(0x08000,1),
 404                         ERASEINFO(0x02000,4),
 405                         ERASEINFO(0x08000,1),
 406                         ERASEINFO(0x04000,1),
 407                         ERASEINFO(0x10000,14)
 408                 }
 409         }, {
 410                 .mfr_id         = MANUFACTURER_AMD,
 411                 .dev_id         = AM29DL800BT,
 412                 .name           = "AMD AM29DL800BT",
 413                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 414                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 415                 .dev_size       = SIZE_1MiB,
 416                 .cmd_set        = P_ID_AMD_STD,
 417                 .nr_regions     = 6,
 418                 .regions        = {
 419                         ERASEINFO(0x10000,14),
 420                         ERASEINFO(0x04000,1),
 421                         ERASEINFO(0x08000,1),
 422                         ERASEINFO(0x02000,4),
 423                         ERASEINFO(0x08000,1),
 424                         ERASEINFO(0x04000,1)
 425                 }
 426         }, {
 427                 .mfr_id         = MANUFACTURER_AMD,
 428                 .dev_id         = AM29F800BB,
 429                 .name           = "AMD AM29F800BB",
 430                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 431                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 432                 .dev_size       = SIZE_1MiB,
 433                 .cmd_set        = P_ID_AMD_STD,
 434                 .nr_regions     = 4,
 435                 .regions        = {
 436                         ERASEINFO(0x04000,1),
 437                         ERASEINFO(0x02000,2),
 438                         ERASEINFO(0x08000,1),
 439                         ERASEINFO(0x10000,15),
 440                 }
 441         }, {
 442                 .mfr_id         = MANUFACTURER_AMD,
 443                 .dev_id         = AM29LV800BT,
 444                 .name           = "AMD AM29LV800BT",
 445                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 446                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 447                 .dev_size       = SIZE_1MiB,
 448                 .cmd_set        = P_ID_AMD_STD,
 449                 .nr_regions     = 4,
 450                 .regions        = {
 451                         ERASEINFO(0x10000,15),
 452                         ERASEINFO(0x08000,1),
 453                         ERASEINFO(0x02000,2),
 454                         ERASEINFO(0x04000,1)
 455                 }
 456         }, {
 457                 .mfr_id         = MANUFACTURER_AMD,
 458                 .dev_id         = AM29F800BT,
 459                 .name           = "AMD AM29F800BT",
 460                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 461                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 462                 .dev_size       = SIZE_1MiB,
 463                 .cmd_set        = P_ID_AMD_STD,
 464                 .nr_regions     = 4,
 465                 .regions        = {
 466                         ERASEINFO(0x10000,15),
 467                         ERASEINFO(0x08000,1),
 468                         ERASEINFO(0x02000,2),
 469                         ERASEINFO(0x04000,1)
 470                 }
 471         }, {
 472                 .mfr_id         = MANUFACTURER_AMD,
 473                 .dev_id         = AM29F017D,
 474                 .name           = "AMD AM29F017D",
 475                 .devtypes       = CFI_DEVICETYPE_X8,
 476                 .uaddr          = MTD_UADDR_DONT_CARE,
 477                 .dev_size       = SIZE_2MiB,
 478                 .cmd_set        = P_ID_AMD_STD,
 479                 .nr_regions     = 1,
 480                 .regions        = {
 481                         ERASEINFO(0x10000,32),
 482                 }
 483         }, {
 484                 .mfr_id         = MANUFACTURER_AMD,
 485                 .dev_id         = AM29F016D,
 486                 .name           = "AMD AM29F016D",
 487                 .devtypes       = CFI_DEVICETYPE_X8,
 488                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 489                 .dev_size       = SIZE_2MiB,
 490                 .cmd_set        = P_ID_AMD_STD,
 491                 .nr_regions     = 1,
 492                 .regions        = {
 493                         ERASEINFO(0x10000,32),
 494                 }
 495         }, {
 496                 .mfr_id         = MANUFACTURER_AMD,
 497                 .dev_id         = AM29F080,
 498                 .name           = "AMD AM29F080",
 499                 .devtypes       = CFI_DEVICETYPE_X8,
 500                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 501                 .dev_size       = SIZE_1MiB,
 502                 .cmd_set        = P_ID_AMD_STD,
 503                 .nr_regions     = 1,
 504                 .regions        = {
 505                         ERASEINFO(0x10000,16),
 506                 }
 507         }, {
 508                 .mfr_id         = MANUFACTURER_AMD,
 509                 .dev_id         = AM29F040,
 510                 .name           = "AMD AM29F040",
 511                 .devtypes       = CFI_DEVICETYPE_X8,
 512                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 513                 .dev_size       = SIZE_512KiB,
 514                 .cmd_set        = P_ID_AMD_STD,
 515                 .nr_regions     = 1,
 516                 .regions        = {
 517                         ERASEINFO(0x10000,8),
 518                 }
 519         }, {
 520                 .mfr_id         = MANUFACTURER_AMD,
 521                 .dev_id         = AM29LV040B,
 522                 .name           = "AMD AM29LV040B",
 523                 .devtypes       = CFI_DEVICETYPE_X8,
 524                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 525                 .dev_size       = SIZE_512KiB,
 526                 .cmd_set        = P_ID_AMD_STD,
 527                 .nr_regions     = 1,
 528                 .regions        = {
 529                         ERASEINFO(0x10000,8),
 530                 }
 531         }, {
 532                 .mfr_id         = MANUFACTURER_AMD,
 533                 .dev_id         = AM29F002T,
 534                 .name           = "AMD AM29F002T",
 535                 .devtypes       = CFI_DEVICETYPE_X8,
 536                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 537                 .dev_size       = SIZE_256KiB,
 538                 .cmd_set        = P_ID_AMD_STD,
 539                 .nr_regions     = 4,
 540                 .regions        = {
 541                         ERASEINFO(0x10000,3),
 542                         ERASEINFO(0x08000,1),
 543                         ERASEINFO(0x02000,2),
 544                         ERASEINFO(0x04000,1),
 545                 }
 546         }, {
 547                 .mfr_id         = MANUFACTURER_AMD,
 548                 .dev_id         = AM29SL800DT,
 549                 .name           = "AMD AM29SL800DT",
 550                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 551                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 552                 .dev_size       = SIZE_1MiB,
 553                 .cmd_set        = P_ID_AMD_STD,
 554                 .nr_regions     = 4,
 555                 .regions        = {
 556                         ERASEINFO(0x10000,15),
 557                         ERASEINFO(0x08000,1),
 558                         ERASEINFO(0x02000,2),
 559                         ERASEINFO(0x04000,1),
 560                 }
 561         }, {
 562                 .mfr_id         = MANUFACTURER_AMD,
 563                 .dev_id         = AM29SL800DB,
 564                 .name           = "AMD AM29SL800DB",
 565                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 566                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 567                 .dev_size       = SIZE_1MiB,
 568                 .cmd_set        = P_ID_AMD_STD,
 569                 .nr_regions     = 4,
 570                 .regions        = {
 571                         ERASEINFO(0x04000,1),
 572                         ERASEINFO(0x02000,2),
 573                         ERASEINFO(0x08000,1),
 574                         ERASEINFO(0x10000,15),
 575                 }
 576         }, {
 577                 .mfr_id         = MANUFACTURER_ATMEL,
 578                 .dev_id         = AT49BV512,
 579                 .name           = "Atmel AT49BV512",
 580                 .devtypes       = CFI_DEVICETYPE_X8,
 581                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 582                 .dev_size       = SIZE_64KiB,
 583                 .cmd_set        = P_ID_AMD_STD,
 584                 .nr_regions     = 1,
 585                 .regions        = {
 586                         ERASEINFO(0x10000,1)
 587                 }
 588         }, {
 589                 .mfr_id         = MANUFACTURER_ATMEL,
 590                 .dev_id         = AT29LV512,
 591                 .name           = "Atmel AT29LV512",
 592                 .devtypes       = CFI_DEVICETYPE_X8,
 593                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
 594                 .dev_size       = SIZE_64KiB,
 595                 .cmd_set        = P_ID_AMD_STD,
 596                 .nr_regions     = 1,
 597                 .regions        = {
 598                         ERASEINFO(0x80,256),
 599                         ERASEINFO(0x80,256)
 600                 }
 601         }, {
 602                 .mfr_id         = MANUFACTURER_ATMEL,
 603                 .dev_id         = AT49BV16X,
 604                 .name           = "Atmel AT49BV16X",
 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(0x02000,8),
 612                         ERASEINFO(0x10000,31)
 613                 }
 614         }, {
 615                 .mfr_id         = MANUFACTURER_ATMEL,
 616                 .dev_id         = AT49BV16XT,
 617                 .name           = "Atmel AT49BV16XT",
 618                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 619                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 620                 .dev_size       = SIZE_2MiB,
 621                 .cmd_set        = P_ID_AMD_STD,
 622                 .nr_regions     = 2,
 623                 .regions        = {
 624                         ERASEINFO(0x10000,31),
 625                         ERASEINFO(0x02000,8)
 626                 }
 627         }, {
 628                 .mfr_id         = MANUFACTURER_ATMEL,
 629                 .dev_id         = AT49BV32X,
 630                 .name           = "Atmel AT49BV32X",
 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(0x02000,8),
 638                         ERASEINFO(0x10000,63)
 639                 }
 640         }, {
 641                 .mfr_id         = MANUFACTURER_ATMEL,
 642                 .dev_id         = AT49BV32XT,
 643                 .name           = "Atmel AT49BV32XT",
 644                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 645                 .uaddr          = MTD_UADDR_0x0555_0x0AAA,      /* ???? */
 646                 .dev_size       = SIZE_4MiB,
 647                 .cmd_set        = P_ID_AMD_STD,
 648                 .nr_regions     = 2,
 649                 .regions        = {
 650                         ERASEINFO(0x10000,63),
 651                         ERASEINFO(0x02000,8)
 652                 }
 653         }, {
 654                 .mfr_id         = MANUFACTURER_EON,
 655                 .dev_id         = EN29SL800BT,
 656                 .name           = "Eon EN29SL800BT",
 657                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 658                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 659                 .dev_size       = SIZE_1MiB,
 660                 .cmd_set        = P_ID_AMD_STD,
 661                 .nr_regions     = 4,
 662                 .regions        = {
 663                         ERASEINFO(0x10000,15),
 664                         ERASEINFO(0x08000,1),
 665                         ERASEINFO(0x02000,2),
 666                         ERASEINFO(0x04000,1),
 667                 }
 668         }, {
 669                 .mfr_id         = MANUFACTURER_EON,
 670                 .dev_id         = EN29SL800BB,
 671                 .name           = "Eon EN29SL800BB",
 672                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 673                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 674                 .dev_size       = SIZE_1MiB,
 675                 .cmd_set        = P_ID_AMD_STD,
 676                 .nr_regions     = 4,
 677                 .regions        = {
 678                         ERASEINFO(0x04000,1),
 679                         ERASEINFO(0x02000,2),
 680                         ERASEINFO(0x08000,1),
 681                         ERASEINFO(0x10000,15),
 682                 }
 683         }, {
 684                 .mfr_id         = MANUFACTURER_FUJITSU,
 685                 .dev_id         = MBM29F040C,
 686                 .name           = "Fujitsu MBM29F040C",
 687                 .devtypes       = CFI_DEVICETYPE_X8,
 688                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 689                 .dev_size       = SIZE_512KiB,
 690                 .cmd_set        = P_ID_AMD_STD,
 691                 .nr_regions     = 1,
 692                 .regions        = {
 693                         ERASEINFO(0x10000,8)
 694                 }
 695         }, {
 696                 .mfr_id         = MANUFACTURER_FUJITSU,
 697                 .dev_id         = MBM29F800BA,
 698                 .name           = "Fujitsu MBM29F800BA",
 699                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 700                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 701                 .dev_size       = SIZE_1MiB,
 702                 .cmd_set        = P_ID_AMD_STD,
 703                 .nr_regions     = 4,
 704                 .regions        = {
 705                         ERASEINFO(0x04000,1),
 706                         ERASEINFO(0x02000,2),
 707                         ERASEINFO(0x08000,1),
 708                         ERASEINFO(0x10000,15),
 709                 }
 710         }, {
 711                 .mfr_id         = MANUFACTURER_FUJITSU,
 712                 .dev_id         = MBM29LV650UE,
 713                 .name           = "Fujitsu MBM29LV650UE",
 714                 .devtypes       = CFI_DEVICETYPE_X8,
 715                 .uaddr          = MTD_UADDR_DONT_CARE,
 716                 .dev_size       = SIZE_8MiB,
 717                 .cmd_set        = P_ID_AMD_STD,
 718                 .nr_regions     = 1,
 719                 .regions        = {
 720                         ERASEINFO(0x10000,128)
 721                 }
 722         }, {
 723                 .mfr_id         = MANUFACTURER_FUJITSU,
 724                 .dev_id         = MBM29LV320TE,
 725                 .name           = "Fujitsu MBM29LV320TE",
 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(0x10000,63),
 733                         ERASEINFO(0x02000,8)
 734                 }
 735         }, {
 736                 .mfr_id         = MANUFACTURER_FUJITSU,
 737                 .dev_id         = MBM29LV320BE,
 738                 .name           = "Fujitsu MBM29LV320BE",
 739                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 740                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 741                 .dev_size       = SIZE_4MiB,
 742                 .cmd_set        = P_ID_AMD_STD,
 743                 .nr_regions     = 2,
 744                 .regions        = {
 745                         ERASEINFO(0x02000,8),
 746                         ERASEINFO(0x10000,63)
 747                 }
 748         }, {
 749                 .mfr_id         = MANUFACTURER_FUJITSU,
 750                 .dev_id         = MBM29LV160TE,
 751                 .name           = "Fujitsu MBM29LV160TE",
 752                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 753                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 754                 .dev_size       = SIZE_2MiB,
 755                 .cmd_set        = P_ID_AMD_STD,
 756                 .nr_regions     = 4,
 757                 .regions        = {
 758                         ERASEINFO(0x10000,31),
 759                         ERASEINFO(0x08000,1),
 760                         ERASEINFO(0x02000,2),
 761                         ERASEINFO(0x04000,1)
 762                 }
 763         }, {
 764                 .mfr_id         = MANUFACTURER_FUJITSU,
 765                 .dev_id         = MBM29LV160BE,
 766                 .name           = "Fujitsu MBM29LV160BE",
 767                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 768                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 769                 .dev_size       = SIZE_2MiB,
 770                 .cmd_set        = P_ID_AMD_STD,
 771                 .nr_regions     = 4,
 772                 .regions        = {
 773                         ERASEINFO(0x04000,1),
 774                         ERASEINFO(0x02000,2),
 775                         ERASEINFO(0x08000,1),
 776                         ERASEINFO(0x10000,31)
 777                 }
 778         }, {
 779                 .mfr_id         = MANUFACTURER_FUJITSU,
 780                 .dev_id         = MBM29LV800BA,
 781                 .name           = "Fujitsu MBM29LV800BA",
 782                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 783                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 784                 .dev_size       = SIZE_1MiB,
 785                 .cmd_set        = P_ID_AMD_STD,
 786                 .nr_regions     = 4,
 787                 .regions        = {
 788                         ERASEINFO(0x04000,1),
 789                         ERASEINFO(0x02000,2),
 790                         ERASEINFO(0x08000,1),
 791                         ERASEINFO(0x10000,15)
 792                 }
 793         }, {
 794                 .mfr_id         = MANUFACTURER_FUJITSU,
 795                 .dev_id         = MBM29LV800TA,
 796                 .name           = "Fujitsu MBM29LV800TA",
 797                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 798                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 799                 .dev_size       = SIZE_1MiB,
 800                 .cmd_set        = P_ID_AMD_STD,
 801                 .nr_regions     = 4,
 802                 .regions        = {
 803                         ERASEINFO(0x10000,15),
 804                         ERASEINFO(0x08000,1),
 805                         ERASEINFO(0x02000,2),
 806                         ERASEINFO(0x04000,1)
 807                 }
 808         }, {
 809                 .mfr_id         = MANUFACTURER_FUJITSU,
 810                 .dev_id         = MBM29LV400BC,
 811                 .name           = "Fujitsu MBM29LV400BC",
 812                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 813                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 814                 .dev_size       = SIZE_512KiB,
 815                 .cmd_set        = P_ID_AMD_STD,
 816                 .nr_regions     = 4,
 817                 .regions        = {
 818                         ERASEINFO(0x04000,1),
 819                         ERASEINFO(0x02000,2),
 820                         ERASEINFO(0x08000,1),
 821                         ERASEINFO(0x10000,7)
 822                 }
 823         }, {
 824                 .mfr_id         = MANUFACTURER_FUJITSU,
 825                 .dev_id         = MBM29LV400TC,
 826                 .name           = "Fujitsu MBM29LV400TC",
 827                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 828                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
 829                 .dev_size       = SIZE_512KiB,
 830                 .cmd_set        = P_ID_AMD_STD,
 831                 .nr_regions     = 4,
 832                 .regions        = {
 833                         ERASEINFO(0x10000,7),
 834                         ERASEINFO(0x08000,1),
 835                         ERASEINFO(0x02000,2),
 836                         ERASEINFO(0x04000,1)
 837                 }
 838         }, {
 839                 .mfr_id         = MANUFACTURER_HYUNDAI,
 840                 .dev_id         = HY29F002T,
 841                 .name           = "Hyundai HY29F002T",
 842                 .devtypes       = CFI_DEVICETYPE_X8,
 843                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
 844                 .dev_size       = SIZE_256KiB,
 845                 .cmd_set        = P_ID_AMD_STD,
 846                 .nr_regions     = 4,
 847                 .regions        = {
 848                         ERASEINFO(0x10000,3),
 849                         ERASEINFO(0x08000,1),
 850                         ERASEINFO(0x02000,2),
 851                         ERASEINFO(0x04000,1),
 852                 }
 853         }, {
 854                 .mfr_id         = MANUFACTURER_INTEL,
 855                 .dev_id         = I28F004B3B,
 856                 .name           = "Intel 28F004B3B",
 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(0x02000, 8),
 864                         ERASEINFO(0x10000, 7),
 865                 }
 866         }, {
 867                 .mfr_id         = MANUFACTURER_INTEL,
 868                 .dev_id         = I28F004B3T,
 869                 .name           = "Intel 28F004B3T",
 870                 .devtypes       = 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(0x10000, 7),
 877                         ERASEINFO(0x02000, 8),
 878                 }
 879         }, {
 880                 .mfr_id         = MANUFACTURER_INTEL,
 881                 .dev_id         = I28F400B3B,
 882                 .name           = "Intel 28F400B3B",
 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(0x02000, 8),
 890                         ERASEINFO(0x10000, 7),
 891                 }
 892         }, {
 893                 .mfr_id         = MANUFACTURER_INTEL,
 894                 .dev_id         = I28F400B3T,
 895                 .name           = "Intel 28F400B3T",
 896                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
 897                 .uaddr          = MTD_UADDR_UNNECESSARY,
 898                 .dev_size       = SIZE_512KiB,
 899                 .cmd_set        = P_ID_INTEL_STD,
 900                 .nr_regions     = 2,
 901                 .regions        = {
 902                         ERASEINFO(0x10000, 7),
 903                         ERASEINFO(0x02000, 8),
 904                 }
 905         }, {
 906                 .mfr_id         = MANUFACTURER_INTEL,
 907                 .dev_id         = I28F008B3B,
 908                 .name           = "Intel 28F008B3B",
 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(0x02000, 8),
 916                         ERASEINFO(0x10000, 15),
 917                 }
 918         }, {
 919                 .mfr_id         = MANUFACTURER_INTEL,
 920                 .dev_id         = I28F008B3T,
 921                 .name           = "Intel 28F008B3T",
 922                 .devtypes       = CFI_DEVICETYPE_X8,
 923                 .uaddr          = MTD_UADDR_UNNECESSARY,
 924                 .dev_size       = SIZE_1MiB,
 925                 .cmd_set        = P_ID_INTEL_STD,
 926                 .nr_regions     = 2,
 927                 .regions        = {
 928                         ERASEINFO(0x10000, 15),
 929                         ERASEINFO(0x02000, 8),
 930                 }
 931         }, {
 932                 .mfr_id         = MANUFACTURER_INTEL,
 933                 .dev_id         = I28F008S5,
 934                 .name           = "Intel 28F008S5",
 935                 .devtypes       = CFI_DEVICETYPE_X8,
 936                 .uaddr          = MTD_UADDR_UNNECESSARY,
 937                 .dev_size       = SIZE_1MiB,
 938                 .cmd_set        = P_ID_INTEL_EXT,
 939                 .nr_regions     = 1,
 940                 .regions        = {
 941                         ERASEINFO(0x10000,16),
 942                 }
 943         }, {
 944                 .mfr_id         = MANUFACTURER_INTEL,
 945                 .dev_id         = I28F016S5,
 946                 .name           = "Intel 28F016S5",
 947                 .devtypes       = CFI_DEVICETYPE_X8,
 948                 .uaddr          = MTD_UADDR_UNNECESSARY,
 949                 .dev_size       = SIZE_2MiB,
 950                 .cmd_set        = P_ID_INTEL_EXT,
 951                 .nr_regions     = 1,
 952                 .regions        = {
 953                         ERASEINFO(0x10000,32),
 954                 }
 955         }, {
 956                 .mfr_id         = MANUFACTURER_INTEL,
 957                 .dev_id         = I28F008SA,
 958                 .name           = "Intel 28F008SA",
 959                 .devtypes       = CFI_DEVICETYPE_X8,
 960                 .uaddr          = MTD_UADDR_UNNECESSARY,
 961                 .dev_size       = SIZE_1MiB,
 962                 .cmd_set        = P_ID_INTEL_STD,
 963                 .nr_regions     = 1,
 964                 .regions        = {
 965                         ERASEINFO(0x10000, 16),
 966                 }
 967         }, {
 968                 .mfr_id         = MANUFACTURER_INTEL,
 969                 .dev_id         = I28F800B3B,
 970                 .name           = "Intel 28F800B3B",
 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(0x02000, 8),
 978                         ERASEINFO(0x10000, 15),
 979                 }
 980         }, {
 981                 .mfr_id         = MANUFACTURER_INTEL,
 982                 .dev_id         = I28F800B3T,
 983                 .name           = "Intel 28F800B3T",
 984                 .devtypes       = CFI_DEVICETYPE_X16,
 985                 .uaddr          = MTD_UADDR_UNNECESSARY,
 986                 .dev_size       = SIZE_1MiB,
 987                 .cmd_set        = P_ID_INTEL_STD,
 988                 .nr_regions     = 2,
 989                 .regions        = {
 990                         ERASEINFO(0x10000, 15),
 991                         ERASEINFO(0x02000, 8),
 992                 }
 993         }, {
 994                 .mfr_id         = MANUFACTURER_INTEL,
 995                 .dev_id         = I28F016B3B,
 996                 .name           = "Intel 28F016B3B",
 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     = 2,
1002                 .regions        = {
1003                         ERASEINFO(0x02000, 8),
1004                         ERASEINFO(0x10000, 31),
1005                 }
1006         }, {
1007                 .mfr_id         = MANUFACTURER_INTEL,
1008                 .dev_id         = I28F016S3,
1009                 .name           = "Intel I28F016S3",
1010                 .devtypes       = CFI_DEVICETYPE_X8,
1011                 .uaddr          = MTD_UADDR_UNNECESSARY,
1012                 .dev_size       = SIZE_2MiB,
1013                 .cmd_set        = P_ID_INTEL_STD,
1014                 .nr_regions     = 1,
1015                 .regions        = {
1016                         ERASEINFO(0x10000, 32),
1017                 }
1018         }, {
1019                 .mfr_id         = MANUFACTURER_INTEL,
1020                 .dev_id         = I28F016B3T,
1021                 .name           = "Intel 28F016B3T",
1022                 .devtypes       = CFI_DEVICETYPE_X8,
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(0x10000, 31),
1029                         ERASEINFO(0x02000, 8),
1030                 }
1031         }, {
1032                 .mfr_id         = MANUFACTURER_INTEL,
1033                 .dev_id         = I28F160B3B,
1034                 .name           = "Intel 28F160B3B",
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(0x02000, 8),
1042                         ERASEINFO(0x10000, 31),
1043                 }
1044         }, {
1045                 .mfr_id         = MANUFACTURER_INTEL,
1046                 .dev_id         = I28F160B3T,
1047                 .name           = "Intel 28F160B3T",
1048                 .devtypes       = CFI_DEVICETYPE_X16,
1049                 .uaddr          = MTD_UADDR_UNNECESSARY,
1050                 .dev_size       = SIZE_2MiB,
1051                 .cmd_set        = P_ID_INTEL_STD,
1052                 .nr_regions     = 2,
1053                 .regions        = {
1054                         ERASEINFO(0x10000, 31),
1055                         ERASEINFO(0x02000, 8),
1056                 }
1057         }, {
1058                 .mfr_id         = MANUFACTURER_INTEL,
1059                 .dev_id         = I28F320B3B,
1060                 .name           = "Intel 28F320B3B",
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(0x02000, 8),
1068                         ERASEINFO(0x10000, 63),
1069                 }
1070         }, {
1071                 .mfr_id         = MANUFACTURER_INTEL,
1072                 .dev_id         = I28F320B3T,
1073                 .name           = "Intel 28F320B3T",
1074                 .devtypes       = CFI_DEVICETYPE_X16,
1075                 .uaddr          = MTD_UADDR_UNNECESSARY,
1076                 .dev_size       = SIZE_4MiB,
1077                 .cmd_set        = P_ID_INTEL_STD,
1078                 .nr_regions     = 2,
1079                 .regions        = {
1080                         ERASEINFO(0x10000, 63),
1081                         ERASEINFO(0x02000, 8),
1082                 }
1083         }, {
1084                 .mfr_id         = MANUFACTURER_INTEL,
1085                 .dev_id         = I28F640B3B,
1086                 .name           = "Intel 28F640B3B",
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(0x02000, 8),
1094                         ERASEINFO(0x10000, 127),
1095                 }
1096         }, {
1097                 .mfr_id         = MANUFACTURER_INTEL,
1098                 .dev_id         = I28F640B3T,
1099                 .name           = "Intel 28F640B3T",
1100                 .devtypes       = CFI_DEVICETYPE_X16,
1101                 .uaddr          = MTD_UADDR_UNNECESSARY,
1102                 .dev_size       = SIZE_8MiB,
1103                 .cmd_set        = P_ID_INTEL_STD,
1104                 .nr_regions     = 2,
1105                 .regions        = {
1106                         ERASEINFO(0x10000, 127),
1107                         ERASEINFO(0x02000, 8),
1108                 }
1109         }, {
1110                 .mfr_id         = MANUFACTURER_INTEL,
1111                 .dev_id         = I28F640C3B,
1112                 .name           = "Intel 28F640C3B",
1113                 .devtypes       = CFI_DEVICETYPE_X16,
1114                 .uaddr          = MTD_UADDR_UNNECESSARY,
1115                 .dev_size       = SIZE_8MiB,
1116                 .cmd_set        = P_ID_INTEL_STD,
1117                 .nr_regions     = 2,
1118                 .regions        = {
1119                         ERASEINFO(0x02000, 8),
1120                         ERASEINFO(0x10000, 127),
1121                 }
1122         }, {
1123                 .mfr_id         = MANUFACTURER_INTEL,
1124                 .dev_id         = I82802AB,
1125                 .name           = "Intel 82802AB",
1126                 .devtypes       = CFI_DEVICETYPE_X8,
1127                 .uaddr          = MTD_UADDR_UNNECESSARY,
1128                 .dev_size       = SIZE_512KiB,
1129                 .cmd_set        = P_ID_INTEL_EXT,
1130                 .nr_regions     = 1,
1131                 .regions        = {
1132                         ERASEINFO(0x10000,8),
1133                 }
1134         }, {
1135                 .mfr_id         = MANUFACTURER_INTEL,
1136                 .dev_id         = I82802AC,
1137                 .name           = "Intel 82802AC",
1138                 .devtypes       = CFI_DEVICETYPE_X8,
1139                 .uaddr          = MTD_UADDR_UNNECESSARY,
1140                 .dev_size       = SIZE_1MiB,
1141                 .cmd_set        = P_ID_INTEL_EXT,
1142                 .nr_regions     = 1,
1143                 .regions        = {
1144                         ERASEINFO(0x10000,16),
1145                 }
1146         }, {
1147                 .mfr_id         = MANUFACTURER_MACRONIX,
1148                 .dev_id         = MX29LV040C,
1149                 .name           = "Macronix MX29LV040C",
1150                 .devtypes       = CFI_DEVICETYPE_X8,
1151                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1152                 .dev_size       = SIZE_512KiB,
1153                 .cmd_set        = P_ID_AMD_STD,
1154                 .nr_regions     = 1,
1155                 .regions        = {
1156                         ERASEINFO(0x10000,8),
1157                 }
1158         }, {
1159                 .mfr_id         = MANUFACTURER_MACRONIX,
1160                 .dev_id         = MX29LV160T,
1161                 .name           = "MXIC MX29LV160T",
1162                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1163                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1164                 .dev_size       = SIZE_2MiB,
1165                 .cmd_set        = P_ID_AMD_STD,
1166                 .nr_regions     = 4,
1167                 .regions        = {
1168                         ERASEINFO(0x10000,31),
1169                         ERASEINFO(0x08000,1),
1170                         ERASEINFO(0x02000,2),
1171                         ERASEINFO(0x04000,1)
1172                 }
1173         }, {
1174                 .mfr_id         = MANUFACTURER_NEC,
1175                 .dev_id         = UPD29F064115,
1176                 .name           = "NEC uPD29F064115",
1177                 .devtypes       = CFI_DEVICETYPE_X16,
1178                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1179                 .dev_size       = SIZE_8MiB,
1180                 .cmd_set        = P_ID_AMD_STD,
1181                 .nr_regions     = 3,
1182                 .regions        = {
1183                         ERASEINFO(0x2000,8),
1184                         ERASEINFO(0x10000,126),
1185                         ERASEINFO(0x2000,8),
1186                 }
1187         }, {
1188                 .mfr_id         = MANUFACTURER_MACRONIX,
1189                 .dev_id         = MX29LV160B,
1190                 .name           = "MXIC MX29LV160B",
1191                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1192                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1193                 .dev_size       = SIZE_2MiB,
1194                 .cmd_set        = P_ID_AMD_STD,
1195                 .nr_regions     = 4,
1196                 .regions        = {
1197                         ERASEINFO(0x04000,1),
1198                         ERASEINFO(0x02000,2),
1199                         ERASEINFO(0x08000,1),
1200                         ERASEINFO(0x10000,31)
1201                 }
1202         }, {
1203                 .mfr_id         = MANUFACTURER_MACRONIX,
1204                 .dev_id         = MX29F040,
1205                 .name           = "Macronix MX29F040",
1206                 .devtypes       = CFI_DEVICETYPE_X8,
1207                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1208                 .dev_size       = SIZE_512KiB,
1209                 .cmd_set        = P_ID_AMD_STD,
1210                 .nr_regions     = 1,
1211                 .regions        = {
1212                         ERASEINFO(0x10000,8),
1213                 }
1214         }, {
1215                 .mfr_id         = MANUFACTURER_MACRONIX,
1216                 .dev_id         = MX29F016,
1217                 .name           = "Macronix MX29F016",
1218                 .devtypes       = CFI_DEVICETYPE_X8,
1219                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1220                 .dev_size       = SIZE_2MiB,
1221                 .cmd_set        = P_ID_AMD_STD,
1222                 .nr_regions     = 1,
1223                 .regions        = {
1224                         ERASEINFO(0x10000,32),
1225                 }
1226         }, {
1227                 .mfr_id         = MANUFACTURER_MACRONIX,
1228                 .dev_id         = MX29F004T,
1229                 .name           = "Macronix MX29F004T",
1230                 .devtypes       = CFI_DEVICETYPE_X8,
1231                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1232                 .dev_size       = SIZE_512KiB,
1233                 .cmd_set        = P_ID_AMD_STD,
1234                 .nr_regions     = 4,
1235                 .regions        = {
1236                         ERASEINFO(0x10000,7),
1237                         ERASEINFO(0x08000,1),
1238                         ERASEINFO(0x02000,2),
1239                         ERASEINFO(0x04000,1),
1240                 }
1241         }, {
1242                 .mfr_id         = MANUFACTURER_MACRONIX,
1243                 .dev_id         = MX29F004B,
1244                 .name           = "Macronix MX29F004B",
1245                 .devtypes       = CFI_DEVICETYPE_X8,
1246                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1247                 .dev_size       = SIZE_512KiB,
1248                 .cmd_set        = P_ID_AMD_STD,
1249                 .nr_regions     = 4,
1250                 .regions        = {
1251                         ERASEINFO(0x04000,1),
1252                         ERASEINFO(0x02000,2),
1253                         ERASEINFO(0x08000,1),
1254                         ERASEINFO(0x10000,7),
1255                 }
1256         }, {
1257                 .mfr_id         = MANUFACTURER_MACRONIX,
1258                 .dev_id         = MX29F002T,
1259                 .name           = "Macronix MX29F002T",
1260                 .devtypes       = CFI_DEVICETYPE_X8,
1261                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1262                 .dev_size       = SIZE_256KiB,
1263                 .cmd_set        = P_ID_AMD_STD,
1264                 .nr_regions     = 4,
1265                 .regions        = {
1266                         ERASEINFO(0x10000,3),
1267                         ERASEINFO(0x08000,1),
1268                         ERASEINFO(0x02000,2),
1269                         ERASEINFO(0x04000,1),
1270                 }
1271         }, {
1272                 .mfr_id         = MANUFACTURER_PMC,
1273                 .dev_id         = PM49FL002,
1274                 .name           = "PMC Pm49FL002",
1275                 .devtypes       = CFI_DEVICETYPE_X8,
1276                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1277                 .dev_size       = SIZE_256KiB,
1278                 .cmd_set        = P_ID_AMD_STD,
1279                 .nr_regions     = 1,
1280                 .regions        = {
1281                         ERASEINFO( 0x01000, 64 )
1282                 }
1283         }, {
1284                 .mfr_id         = MANUFACTURER_PMC,
1285                 .dev_id         = PM49FL004,
1286                 .name           = "PMC Pm49FL004",
1287                 .devtypes       = CFI_DEVICETYPE_X8,
1288                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1289                 .dev_size       = SIZE_512KiB,
1290                 .cmd_set        = P_ID_AMD_STD,
1291                 .nr_regions     = 1,
1292                 .regions        = {
1293                         ERASEINFO( 0x01000, 128 )
1294                 }
1295         }, {
1296                 .mfr_id         = MANUFACTURER_PMC,
1297                 .dev_id         = PM49FL008,
1298                 .name           = "PMC Pm49FL008",
1299                 .devtypes       = CFI_DEVICETYPE_X8,
1300                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1301                 .dev_size       = SIZE_1MiB,
1302                 .cmd_set        = P_ID_AMD_STD,
1303                 .nr_regions     = 1,
1304                 .regions        = {
1305                         ERASEINFO( 0x01000, 256 )
1306                 }
1307         }, {
1308                 .mfr_id         = MANUFACTURER_SHARP,
1309                 .dev_id         = LH28F640BF,
1310                 .name           = "LH28F640BF",
1311                 .devtypes       = CFI_DEVICETYPE_X8,
1312                 .uaddr          = MTD_UADDR_UNNECESSARY,
1313                 .dev_size       = SIZE_4MiB,
1314                 .cmd_set        = P_ID_INTEL_STD,
1315                 .nr_regions     = 1,
1316                 .regions        = {
1317                         ERASEINFO(0x40000,16),
1318                 }
1319         }, {
1320                 .mfr_id         = MANUFACTURER_SST,
1321                 .dev_id         = SST39LF512,
1322                 .name           = "SST 39LF512",
1323                 .devtypes       = CFI_DEVICETYPE_X8,
1324                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1325                 .dev_size       = SIZE_64KiB,
1326                 .cmd_set        = P_ID_AMD_STD,
1327                 .nr_regions     = 1,
1328                 .regions        = {
1329                         ERASEINFO(0x01000,16),
1330                 }
1331         }, {
1332                 .mfr_id         = MANUFACTURER_SST,
1333                 .dev_id         = SST39LF010,
1334                 .name           = "SST 39LF010",
1335                 .devtypes       = CFI_DEVICETYPE_X8,
1336                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1337                 .dev_size       = SIZE_128KiB,
1338                 .cmd_set        = P_ID_AMD_STD,
1339                 .nr_regions     = 1,
1340                 .regions        = {
1341                         ERASEINFO(0x01000,32),
1342                 }
1343         }, {
1344                 .mfr_id         = MANUFACTURER_SST,
1345                 .dev_id         = SST29EE020,
1346                 .name           = "SST 29EE020",
1347                 .devtypes       = CFI_DEVICETYPE_X8,
1348                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1349                 .dev_size       = SIZE_256KiB,
1350                 .cmd_set        = P_ID_SST_PAGE,
1351                 .nr_regions     = 1,
1352                 .regions = {ERASEINFO(0x01000,64),
1353                 }
1354         }, {
1355                 .mfr_id         = MANUFACTURER_SST,
1356                 .dev_id         = SST29LE020,
1357                 .name           = "SST 29LE020",
1358                 .devtypes       = CFI_DEVICETYPE_X8,
1359                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1360                 .dev_size       = SIZE_256KiB,
1361                 .cmd_set        = P_ID_SST_PAGE,
1362                 .nr_regions     = 1,
1363                 .regions = {ERASEINFO(0x01000,64),
1364                 }
1365         }, {
1366                 .mfr_id         = MANUFACTURER_SST,
1367                 .dev_id         = SST39LF020,
1368                 .name           = "SST 39LF020",
1369                 .devtypes       = CFI_DEVICETYPE_X8,
1370                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1371                 .dev_size       = SIZE_256KiB,
1372                 .cmd_set        = P_ID_AMD_STD,
1373                 .nr_regions     = 1,
1374                 .regions        = {
1375                         ERASEINFO(0x01000,64),
1376                 }
1377         }, {
1378                 .mfr_id         = MANUFACTURER_SST,
1379                 .dev_id         = SST39LF040,
1380                 .name           = "SST 39LF040",
1381                 .devtypes       = CFI_DEVICETYPE_X8,
1382                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1383                 .dev_size       = SIZE_512KiB,
1384                 .cmd_set        = P_ID_AMD_STD,
1385                 .nr_regions     = 1,
1386                 .regions        = {
1387                         ERASEINFO(0x01000,128),
1388                 }
1389         }, {
1390                 .mfr_id         = MANUFACTURER_SST,
1391                 .dev_id         = SST39SF010A,
1392                 .name           = "SST 39SF010A",
1393                 .devtypes       = CFI_DEVICETYPE_X8,
1394                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1395                 .dev_size       = SIZE_128KiB,
1396                 .cmd_set        = P_ID_AMD_STD,
1397                 .nr_regions     = 1,
1398                 .regions        = {
1399                         ERASEINFO(0x01000,32),
1400                 }
1401         }, {
1402                 .mfr_id         = MANUFACTURER_SST,
1403                 .dev_id         = SST39SF020A,
1404                 .name           = "SST 39SF020A",
1405                 .devtypes       = CFI_DEVICETYPE_X8,
1406                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1407                 .dev_size       = SIZE_256KiB,
1408                 .cmd_set        = P_ID_AMD_STD,
1409                 .nr_regions     = 1,
1410                 .regions        = {
1411                         ERASEINFO(0x01000,64),
1412                 }
1413         }, {
1414                 .mfr_id         = MANUFACTURER_SST,
1415                 .dev_id         = SST39SF040,
1416                 .name           = "SST 39SF040",
1417                 .devtypes       = CFI_DEVICETYPE_X8,
1418                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1419                 .dev_size       = SIZE_512KiB,
1420                 .cmd_set        = P_ID_AMD_STD,
1421                 .nr_regions     = 1,
1422                 .regions        = {
1423                         ERASEINFO(0x01000,128),
1424                 }
1425         }, {
1426                 .mfr_id         = MANUFACTURER_SST,
1427                 .dev_id         = SST49LF040B,
1428                 .name           = "SST 49LF040B",
1429                 .devtypes       = CFI_DEVICETYPE_X8,
1430                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1431                 .dev_size       = SIZE_512KiB,
1432                 .cmd_set        = P_ID_AMD_STD,
1433                 .nr_regions     = 1,
1434                 .regions        = {
1435                         ERASEINFO(0x01000,128),
1436                 }
1437         }, {
1438
1439                 .mfr_id         = MANUFACTURER_SST,
1440                 .dev_id         = SST49LF004B,
1441                 .name           = "SST 49LF004B",
1442                 .devtypes       = CFI_DEVICETYPE_X8,
1443                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1444                 .dev_size       = SIZE_512KiB,
1445                 .cmd_set        = P_ID_AMD_STD,
1446                 .nr_regions     = 1,
1447                 .regions        = {
1448                         ERASEINFO(0x01000,128),
1449                 }
1450         }, {
1451                 .mfr_id         = MANUFACTURER_SST,
1452                 .dev_id         = SST49LF008A,
1453                 .name           = "SST 49LF008A",
1454                 .devtypes       = CFI_DEVICETYPE_X8,
1455                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1456                 .dev_size       = SIZE_1MiB,
1457                 .cmd_set        = P_ID_AMD_STD,
1458                 .nr_regions     = 1,
1459                 .regions        = {
1460                         ERASEINFO(0x01000,256),
1461                 }
1462         }, {
1463                 .mfr_id         = MANUFACTURER_SST,
1464                 .dev_id         = SST49LF030A,
1465                 .name           = "SST 49LF030A",
1466                 .devtypes       = CFI_DEVICETYPE_X8,
1467                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1468                 .dev_size       = SIZE_512KiB,
1469                 .cmd_set        = P_ID_AMD_STD,
1470                 .nr_regions     = 1,
1471                 .regions        = {
1472                         ERASEINFO(0x01000,96),
1473                 }
1474         }, {
1475                 .mfr_id         = MANUFACTURER_SST,
1476                 .dev_id         = SST49LF040A,
1477                 .name           = "SST 49LF040A",
1478                 .devtypes       = CFI_DEVICETYPE_X8,
1479                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1480                 .dev_size       = SIZE_512KiB,
1481                 .cmd_set        = P_ID_AMD_STD,
1482                 .nr_regions     = 1,
1483                 .regions        = {
1484                         ERASEINFO(0x01000,128),
1485                 }
1486         }, {
1487                 .mfr_id         = MANUFACTURER_SST,
1488                 .dev_id         = SST49LF080A,
1489                 .name           = "SST 49LF080A",
1490                 .devtypes       = CFI_DEVICETYPE_X8,
1491                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1492                 .dev_size       = SIZE_1MiB,
1493                 .cmd_set        = P_ID_AMD_STD,
1494                 .nr_regions     = 1,
1495                 .regions        = {
1496                         ERASEINFO(0x01000,256),
1497                 }
1498         }, {
1499                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1500                 .dev_id         = SST39LF160,
1501                 .name           = "SST 39LF160",
1502                 .devtypes       = CFI_DEVICETYPE_X16,
1503                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1504                 .dev_size       = SIZE_2MiB,
1505                 .cmd_set        = P_ID_AMD_STD,
1506                 .nr_regions     = 2,
1507                 .regions        = {
1508                         ERASEINFO(0x1000,256),
1509                         ERASEINFO(0x1000,256)
1510                 }
1511         }, {
1512                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1513                 .dev_id         = SST39VF1601,
1514                 .name           = "SST 39VF1601",
1515                 .devtypes       = CFI_DEVICETYPE_X16,
1516                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1517                 .dev_size       = SIZE_2MiB,
1518                 .cmd_set        = P_ID_AMD_STD,
1519                 .nr_regions     = 2,
1520                 .regions        = {
1521                         ERASEINFO(0x1000,256),
1522                         ERASEINFO(0x1000,256)
1523                 }
1524         }, {
1525                 .mfr_id         = MANUFACTURER_SST,     /* should be CFI */
1526                 .dev_id         = SST39VF3201,
1527                 .name           = "SST 39VF3201",
1528                 .devtypes       = CFI_DEVICETYPE_X16,
1529                 .uaddr          = MTD_UADDR_0xAAAA_0x5555,
1530                 .dev_size       = SIZE_4MiB,
1531                 .cmd_set        = P_ID_AMD_STD,
1532                 .nr_regions     = 4,
1533                 .regions        = {
1534                         ERASEINFO(0x1000,256),
1535                         ERASEINFO(0x1000,256),
1536                         ERASEINFO(0x1000,256),
1537                         ERASEINFO(0x1000,256)
1538                 }
1539         }, {
1540                 .mfr_id         = MANUFACTURER_SST,
1541                 .dev_id         = SST36VF3203,
1542                 .name           = "SST 36VF3203",
1543                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1544                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1545                 .dev_size       = SIZE_4MiB,
1546                 .cmd_set        = P_ID_AMD_STD,
1547                 .nr_regions     = 1,
1548                 .regions        = {
1549                         ERASEINFO(0x10000,64),
1550                 }
1551         }, {
1552                 .mfr_id         = MANUFACTURER_ST,
1553                 .dev_id         = M29F800AB,
1554                 .name           = "ST M29F800AB",
1555                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1556                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1557                 .dev_size       = SIZE_1MiB,
1558                 .cmd_set        = P_ID_AMD_STD,
1559                 .nr_regions     = 4,
1560                 .regions        = {
1561                         ERASEINFO(0x04000,1),
1562                         ERASEINFO(0x02000,2),
1563                         ERASEINFO(0x08000,1),
1564                         ERASEINFO(0x10000,15),
1565                 }
1566         }, {
1567                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1568                 .dev_id         = M29W800DT,
1569                 .name           = "ST M29W800DT",
1570                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1571                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1572                 .dev_size       = SIZE_1MiB,
1573                 .cmd_set        = P_ID_AMD_STD,
1574                 .nr_regions     = 4,
1575                 .regions        = {
1576                         ERASEINFO(0x10000,15),
1577                         ERASEINFO(0x08000,1),
1578                         ERASEINFO(0x02000,2),
1579                         ERASEINFO(0x04000,1)
1580                 }
1581         }, {
1582                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1583                 .dev_id         = M29W800DB,
1584                 .name           = "ST M29W800DB",
1585                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1586                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,      /* ???? */
1587                 .dev_size       = SIZE_1MiB,
1588                 .cmd_set        = P_ID_AMD_STD,
1589                 .nr_regions     = 4,
1590                 .regions        = {
1591                         ERASEINFO(0x04000,1),
1592                         ERASEINFO(0x02000,2),
1593                         ERASEINFO(0x08000,1),
1594                         ERASEINFO(0x10000,15)
1595                 }
1596         },  {
1597                 .mfr_id         = MANUFACTURER_ST,
1598                 .dev_id         = M29W400DT,
1599                 .name           = "ST M29W400DT",
1600                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1601                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1602                 .dev_size       = SIZE_512KiB,
1603                 .cmd_set        = P_ID_AMD_STD,
1604                 .nr_regions     = 4,
1605                 .regions        = {
1606                         ERASEINFO(0x04000,7),
1607                         ERASEINFO(0x02000,1),
1608                         ERASEINFO(0x08000,2),
1609                         ERASEINFO(0x10000,1)
1610                 }
1611         }, {
1612                 .mfr_id         = MANUFACTURER_ST,
1613                 .dev_id         = M29W400DB,
1614                 .name           = "ST M29W400DB",
1615                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1616                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1617                 .dev_size       = SIZE_512KiB,
1618                 .cmd_set        = P_ID_AMD_STD,
1619                 .nr_regions     = 4,
1620                 .regions        = {
1621                         ERASEINFO(0x04000,1),
1622                         ERASEINFO(0x02000,2),
1623                         ERASEINFO(0x08000,1),
1624                         ERASEINFO(0x10000,7)
1625                 }
1626         }, {
1627                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1628                 .dev_id         = M29W160DT,
1629                 .name           = "ST M29W160DT",
1630                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1631                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1632                 .dev_size       = SIZE_2MiB,
1633                 .cmd_set        = P_ID_AMD_STD,
1634                 .nr_regions     = 4,
1635                 .regions        = {
1636                         ERASEINFO(0x10000,31),
1637                         ERASEINFO(0x08000,1),
1638                         ERASEINFO(0x02000,2),
1639                         ERASEINFO(0x04000,1)
1640                 }
1641         }, {
1642                 .mfr_id         = MANUFACTURER_ST,      /* FIXME - CFI device? */
1643                 .dev_id         = M29W160DB,
1644                 .name           = "ST M29W160DB",
1645                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1646                 .uaddr          = MTD_UADDR_0x0555_0x02AA,      /* ???? */
1647                 .dev_size       = SIZE_2MiB,
1648                 .cmd_set        = P_ID_AMD_STD,
1649                 .nr_regions     = 4,
1650                 .regions        = {
1651                         ERASEINFO(0x04000,1),
1652                         ERASEINFO(0x02000,2),
1653                         ERASEINFO(0x08000,1),
1654                         ERASEINFO(0x10000,31)
1655                 }
1656         }, {
1657                 .mfr_id         = MANUFACTURER_ST,
1658                 .dev_id         = M29W040B,
1659                 .name           = "ST M29W040B",
1660                 .devtypes       = CFI_DEVICETYPE_X8,
1661                 .uaddr          = MTD_UADDR_0x0555_0x02AA,
1662                 .dev_size       = SIZE_512KiB,
1663                 .cmd_set        = P_ID_AMD_STD,
1664                 .nr_regions     = 1,
1665                 .regions        = {
1666                         ERASEINFO(0x10000,8),
1667                 }
1668         }, {
1669                 .mfr_id         = MANUFACTURER_ST,
1670                 .dev_id         = M50FW040,
1671                 .name           = "ST M50FW040",
1672                 .devtypes       = CFI_DEVICETYPE_X8,
1673                 .uaddr          = MTD_UADDR_UNNECESSARY,
1674                 .dev_size       = SIZE_512KiB,
1675                 .cmd_set        = P_ID_INTEL_EXT,
1676                 .nr_regions     = 1,
1677                 .regions        = {
1678                         ERASEINFO(0x10000,8),
1679                 }
1680         }, {
1681                 .mfr_id         = MANUFACTURER_ST,
1682                 .dev_id         = M50FW080,
1683                 .name           = "ST M50FW080",
1684                 .devtypes       = CFI_DEVICETYPE_X8,
1685                 .uaddr          = MTD_UADDR_UNNECESSARY,
1686                 .dev_size       = SIZE_1MiB,
1687                 .cmd_set        = P_ID_INTEL_EXT,
1688                 .nr_regions     = 1,
1689                 .regions        = {
1690                         ERASEINFO(0x10000,16),
1691                 }
1692         }, {
1693                 .mfr_id         = MANUFACTURER_ST,
1694                 .dev_id         = M50FW016,
1695                 .name           = "ST M50FW016",
1696                 .devtypes       = CFI_DEVICETYPE_X8,
1697                 .uaddr          = MTD_UADDR_UNNECESSARY,
1698                 .dev_size       = SIZE_2MiB,
1699                 .cmd_set        = P_ID_INTEL_EXT,
1700                 .nr_regions     = 1,
1701                 .regions        = {
1702                         ERASEINFO(0x10000,32),
1703                 }
1704         }, {
1705                 .mfr_id         = MANUFACTURER_ST,
1706                 .dev_id         = M50LPW080,
1707                 .name           = "ST M50LPW080",
1708                 .devtypes       = CFI_DEVICETYPE_X8,
1709                 .uaddr          = MTD_UADDR_UNNECESSARY,
1710                 .dev_size       = SIZE_1MiB,
1711                 .cmd_set        = P_ID_INTEL_EXT,
1712                 .nr_regions     = 1,
1713                 .regions        = {
1714                         ERASEINFO(0x10000,16),
1715                 },
1716         }, {
1717                 .mfr_id         = MANUFACTURER_ST,
1718                 .dev_id         = M50FLW080A,
1719                 .name           = "ST M50FLW080A",
1720                 .devtypes       = CFI_DEVICETYPE_X8,
1721                 .uaddr          = MTD_UADDR_UNNECESSARY,
1722                 .dev_size       = SIZE_1MiB,
1723                 .cmd_set        = P_ID_INTEL_EXT,
1724                 .nr_regions     = 4,
1725                 .regions        = {
1726                         ERASEINFO(0x1000,16),
1727                         ERASEINFO(0x10000,13),
1728                         ERASEINFO(0x1000,16),
1729                         ERASEINFO(0x1000,16),
1730                 }
1731         }, {
1732                 .mfr_id         = MANUFACTURER_ST,
1733                 .dev_id         = M50FLW080B,
1734                 .name           = "ST M50FLW080B",
1735                 .devtypes       = CFI_DEVICETYPE_X8,
1736                 .uaddr          = MTD_UADDR_UNNECESSARY,
1737                 .dev_size       = SIZE_1MiB,
1738                 .cmd_set        = P_ID_INTEL_EXT,
1739                 .nr_regions     = 4,
1740                 .regions        = {
1741                         ERASEINFO(0x1000,16),
1742                         ERASEINFO(0x1000,16),
1743                         ERASEINFO(0x10000,13),
1744                         ERASEINFO(0x1000,16),
1745                 }
1746         }, {
1747                 .mfr_id         = MANUFACTURER_TOSHIBA,
1748                 .dev_id         = TC58FVT160,
1749                 .name           = "Toshiba TC58FVT160",
1750                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1751                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1752                 .dev_size       = SIZE_2MiB,
1753                 .cmd_set        = P_ID_AMD_STD,
1754                 .nr_regions     = 4,
1755                 .regions        = {
1756                         ERASEINFO(0x10000,31),
1757                         ERASEINFO(0x08000,1),
1758                         ERASEINFO(0x02000,2),
1759                         ERASEINFO(0x04000,1)
1760                 }
1761         }, {
1762                 .mfr_id         = MANUFACTURER_TOSHIBA,
1763                 .dev_id         = TC58FVB160,
1764                 .name           = "Toshiba TC58FVB160",
1765                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1766                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1767                 .dev_size       = SIZE_2MiB,
1768                 .cmd_set        = P_ID_AMD_STD,
1769                 .nr_regions     = 4,
1770                 .regions        = {
1771                         ERASEINFO(0x04000,1),
1772                         ERASEINFO(0x02000,2),
1773                         ERASEINFO(0x08000,1),
1774                         ERASEINFO(0x10000,31)
1775                 }
1776         }, {
1777                 .mfr_id         = MANUFACTURER_TOSHIBA,
1778                 .dev_id         = TC58FVB321,
1779                 .name           = "Toshiba TC58FVB321",
1780                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1781                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1782                 .dev_size       = SIZE_4MiB,
1783                 .cmd_set        = P_ID_AMD_STD,
1784                 .nr_regions     = 2,
1785                 .regions        = {
1786                         ERASEINFO(0x02000,8),
1787                         ERASEINFO(0x10000,63)
1788                 }
1789         }, {
1790                 .mfr_id         = MANUFACTURER_TOSHIBA,
1791                 .dev_id         = TC58FVT321,
1792                 .name           = "Toshiba TC58FVT321",
1793                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1794                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1795                 .dev_size       = SIZE_4MiB,
1796                 .cmd_set        = P_ID_AMD_STD,
1797                 .nr_regions     = 2,
1798                 .regions        = {
1799                         ERASEINFO(0x10000,63),
1800                         ERASEINFO(0x02000,8)
1801                 }
1802         }, {
1803                 .mfr_id         = MANUFACTURER_TOSHIBA,
1804                 .dev_id         = TC58FVB641,
1805                 .name           = "Toshiba TC58FVB641",
1806                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1807                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1808                 .dev_size       = SIZE_8MiB,
1809                 .cmd_set        = P_ID_AMD_STD,
1810                 .nr_regions     = 2,
1811                 .regions        = {
1812                         ERASEINFO(0x02000,8),
1813                         ERASEINFO(0x10000,127)
1814                 }
1815         }, {
1816                 .mfr_id         = MANUFACTURER_TOSHIBA,
1817                 .dev_id         = TC58FVT641,
1818                 .name           = "Toshiba TC58FVT641",
1819                 .devtypes       = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1820                 .uaddr          = MTD_UADDR_0x0AAA_0x0555,
1821                 .dev_size       = SIZE_8MiB,
1822                 .cmd_set        = P_ID_AMD_STD,
1823                 .nr_regions     = 2,
1824                 .regions        = {
1825                         ERASEINFO(0x10000,127),
1826                         ERASEINFO(0x02000,8)
1827                 }
1828         }, {
1829                 .mfr_id         = MANUFACTURER_WINBOND,
1830                 .dev_id         = W49V002A,
1831                 .name           = "Winbond W49V002A",
1832                 .devtypes       = CFI_DEVICETYPE_X8,
1833                 .uaddr          = MTD_UADDR_0x5555_0x2AAA,
1834                 .dev_size       = SIZE_256KiB,
1835                 .cmd_set        = P_ID_AMD_STD,
1836                 .nr_regions     = 4,
1837                 .regions        = {
1838                         ERASEINFO(0x10000, 3),
1839                         ERASEINFO(0x08000, 1),
1840                         ERASEINFO(0x02000, 2),
1841                         ERASEINFO(0x04000, 1),
1842                 }
1843         }
1844 };
1845
1846 static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1847         struct cfi_private *cfi)
1848 {
1849         map_word result;
1850         unsigned long mask;
1851         int bank = 0;
1852
1853         /* According to JEDEC "Standard Manufacturer's Identification Code"
1854          * (http://www.jedec.org/download/search/jep106W.pdf)
1855          * several first banks can contain 0x7f instead of actual ID
1856          */
1857         do {
1858                 uint32_t ofs = cfi_build_cmd_addr(0 + (bank << 8), map, cfi);
1859                 mask = (1 << (cfi->device_type * 8)) - 1;
1860                 result = map_read(map, base + ofs);
1861                 bank++;
1862         } while ((result.x[0] & mask) == CONTINUATION_CODE);
1863
1864         return result.x[0] & mask;
1865 }
1866
1867 static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1868         struct cfi_private *cfi)
1869 {
1870         map_word result;
1871         unsigned long mask;
1872         u32 ofs = cfi_build_cmd_addr(1, map, cfi);
1873         mask = (1 << (cfi->device_type * 8)) -1;
1874         result = map_read(map, base + ofs);
1875         return result.x[0] & mask;
1876 }
1877
1878 static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi)
1879 {
1880         /* Reset */
1881
1882         /* after checking the datasheets for SST, MACRONIX and ATMEL
1883          * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1884          * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1885          * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1886          * as they will ignore the writes and dont care what address
1887          * the F0 is written to */
1888         if (cfi->addr_unlock1) {
1889                 DEBUG( MTD_DEBUG_LEVEL3,
1890                        "reset unlock called %x %x \n",
1891                        cfi->addr_unlock1,cfi->addr_unlock2);
1892                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1893                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1894         }
1895
1896         cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1897         /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1898          * so ensure we're in read mode.  Send both the Intel and the AMD command
1899          * for this.  Intel uses 0xff for this, AMD uses 0xff for NOP, so
1900          * this should be safe.
1901          */
1902         cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1903         /* FIXME - should have reset delay before continuing */
1904 }
1905
1906
1907 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1908 {
1909         int i,num_erase_regions;
1910         uint8_t uaddr;
1911
1912         if (! (jedec_table[index].devtypes & p_cfi->device_type)) {
1913                 DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n",
1914                       jedec_table[index].name, 4 * (1<<p_cfi->device_type));
1915                 return 0;
1916         }
1917
1918         printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1919
1920         num_erase_regions = jedec_table[index].nr_regions;
1921
1922         p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1923         if (!p_cfi->cfiq) {
1924                 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1925                 return 0;
1926         }
1927
1928         memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1929
1930         p_cfi->cfiq->P_ID = jedec_table[index].cmd_set;
1931         p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions;
1932         p_cfi->cfiq->DevSize = jedec_table[index].dev_size;
1933         p_cfi->cfi_mode = CFI_MODE_JEDEC;
1934
1935         for (i=0; i<num_erase_regions; i++){
1936                 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1937         }
1938         p_cfi->cmdset_priv = NULL;
1939
1940         /* This may be redundant for some cases, but it doesn't hurt */
1941         p_cfi->mfr = jedec_table[index].mfr_id;
1942         p_cfi->id = jedec_table[index].dev_id;
1943
1944         uaddr = jedec_table[index].uaddr;
1945
1946         /* The table has unlock addresses in _bytes_, and we try not to let
1947            our brains explode when we see the datasheets talking about address
1948            lines numbered from A-1 to A18. The CFI table has unlock addresses
1949            in device-words according to the mode the device is connected in */
1950         p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type;
1951         p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type;
1952
1953         return 1;       /* ok */
1954 }
1955
1956
1957 /*
1958  * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1959  * the mapped address, unlock addresses, and proper chip ID.  This function
1960  * attempts to minimize errors.  It is doubtfull that this probe will ever
1961  * be perfect - consequently there should be some module parameters that
1962  * could be manually specified to force the chip info.
1963  */
1964 static inline int jedec_match( uint32_t base,
1965                                struct map_info *map,
1966                                struct cfi_private *cfi,
1967                                const struct amd_flash_info *finfo )
1968 {
1969         int rc = 0;           /* failure until all tests pass */
1970         u32 mfr, id;
1971         uint8_t uaddr;
1972
1973         /*
1974          * The IDs must match.  For X16 and X32 devices operating in
1975          * a lower width ( X8 or X16 ), the device ID's are usually just
1976          * the lower byte(s) of the larger device ID for wider mode.  If
1977          * a part is found that doesn't fit this assumption (device id for
1978          * smaller width mode is completely unrealated to full-width mode)
1979          * then the jedec_table[] will have to be augmented with the IDs
1980          * for different widths.
1981          */
1982         switch (cfi->device_type) {
1983         case CFI_DEVICETYPE_X8:
1984                 mfr = (uint8_t)finfo->mfr_id;
1985                 id = (uint8_t)finfo->dev_id;
1986
1987                 /* bjd: it seems that if we do this, we can end up
1988                  * detecting 16bit flashes as an 8bit device, even though
1989                  * there aren't.
1990                  */
1991                 if (finfo->dev_id > 0xff) {
1992                         DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1993                                __func__);
1994                         goto match_done;
1995                 }
1996                 break;
1997         case CFI_DEVICETYPE_X16:
1998                 mfr = (uint16_t)finfo->mfr_id;
1999                 id = (uint16_t)finfo->dev_id;
2000                 break;
2001         case CFI_DEVICETYPE_X32:
2002                 mfr = (uint16_t)finfo->mfr_id;
2003                 id = (uint32_t)finfo->dev_id;
2004                 break;
2005         default:
2006                 printk(KERN_WARNING
2007                        "MTD %s(): Unsupported device type %d\n",
2008                        __func__, cfi->device_type);
2009                 goto match_done;
2010         }
2011         if ( cfi->mfr != mfr || cfi->id != id ) {
2012                 goto match_done;
2013         }
2014
2015         /* the part size must fit in the memory window */
2016         DEBUG( MTD_DEBUG_LEVEL3,
2017                "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
2018                __func__, base, 1 << finfo->dev_size, base + (1 << finfo->dev_size) );
2019         if ( base + cfi_interleave(cfi) * ( 1 << finfo->dev_size ) > map->size ) {
2020                 DEBUG( MTD_DEBUG_LEVEL3,
2021                        "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
2022                        __func__, finfo->mfr_id, finfo->dev_id,
2023                        1 << finfo->dev_size );
2024                 goto match_done;
2025         }
2026
2027         if (! (finfo->devtypes & cfi->device_type))
2028                 goto match_done;
2029
2030         uaddr = finfo->uaddr;
2031
2032         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
2033                __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
2034         if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
2035              && ( unlock_addrs[uaddr].addr1 / cfi->device_type != cfi->addr_unlock1 ||
2036                   unlock_addrs[uaddr].addr2 / cfi->device_type != cfi->addr_unlock2 ) ) {
2037                 DEBUG( MTD_DEBUG_LEVEL3,
2038                         "MTD %s(): 0x%.4x 0x%.4x did not match\n",
2039                         __func__,
2040                         unlock_addrs[uaddr].addr1,
2041                         unlock_addrs[uaddr].addr2);
2042                 goto match_done;
2043         }
2044
2045         /*
2046          * Make sure the ID's dissappear when the device is taken out of
2047          * ID mode.  The only time this should fail when it should succeed
2048          * is when the ID's are written as data to the same
2049          * addresses.  For this rare and unfortunate case the chip
2050          * cannot be probed correctly.
2051          * FIXME - write a driver that takes all of the chip info as
2052          * module parameters, doesn't probe but forces a load.
2053          */
2054         DEBUG( MTD_DEBUG_LEVEL3,
2055                "MTD %s(): check ID's disappear when not in ID mode\n",
2056                __func__ );
2057         jedec_reset( base, map, cfi );
2058         mfr = jedec_read_mfr( map, base, cfi );
2059         id = jedec_read_id( map, base, cfi );
2060         if ( mfr == cfi->mfr && id == cfi->id ) {
2061                 DEBUG( MTD_DEBUG_LEVEL3,
2062                        "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
2063                        "You might need to manually specify JEDEC parameters.\n",
2064                         __func__, cfi->mfr, cfi->id );
2065                 goto match_done;
2066         }
2067
2068         /* all tests passed - mark  as success */
2069         rc = 1;
2070
2071         /*
2072          * Put the device back in ID mode - only need to do this if we
2073          * were truly frobbing a real device.
2074          */
2075         DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
2076         if (cfi->addr_unlock1) {
2077                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2078                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2079         }
2080         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2081         /* FIXME - should have a delay before continuing */
2082
2083  match_done:
2084         return rc;
2085 }
2086
2087
2088 static int jedec_probe_chip(struct map_info *map, __u32 base,
2089                             unsigned long *chip_map, struct cfi_private *cfi)
2090 {
2091         int i;
2092         enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
2093         u32 probe_offset1, probe_offset2;
2094
2095  retry:
2096         if (!cfi->numchips) {
2097                 uaddr_idx++;
2098
2099                 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2100                         return 0;
2101
2102                 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1 / cfi->device_type;
2103                 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2 / cfi->device_type;
2104         }
2105
2106         /* Make certain we aren't probing past the end of map */
2107         if (base >= map->size) {
2108                 printk(KERN_NOTICE
2109                         "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2110                         base, map->size -1);
2111                 return 0;
2112
2113         }
2114         /* Ensure the unlock addresses we try stay inside the map */
2115         probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, map, cfi);
2116         probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, map, cfi);
2117         if (    ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2118                 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2119                 goto retry;
2120
2121         /* Reset */
2122         jedec_reset(base, map, cfi);
2123
2124         /* Autoselect Mode */
2125         if(cfi->addr_unlock1) {
2126                 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2127                 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2128         }
2129         cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2130         /* FIXME - should have a delay before continuing */
2131
2132         if (!cfi->numchips) {
2133                 /* This is the first time we're called. Set up the CFI
2134                    stuff accordingly and return */
2135
2136                 cfi->mfr = jedec_read_mfr(map, base, cfi);
2137                 cfi->id = jedec_read_id(map, base, cfi);
2138                 DEBUG(MTD_DEBUG_LEVEL3,
2139                       "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2140                         cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2141                 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
2142                         if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
2143                                 DEBUG( MTD_DEBUG_LEVEL3,
2144                                        "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2145                                        __func__, cfi->mfr, cfi->id,
2146                                        cfi->addr_unlock1, cfi->addr_unlock2 );
2147                                 if (!cfi_jedec_setup(cfi, i))
2148                                         return 0;
2149                                 goto ok_out;
2150                         }
2151                 }
2152                 goto retry;
2153         } else {
2154                 uint16_t mfr;
2155                 uint16_t id;
2156
2157                 /* Make sure it is a chip of the same manufacturer and id */
2158                 mfr = jedec_read_mfr(map, base, cfi);
2159                 id = jedec_read_id(map, base, cfi);
2160
2161                 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2162                         printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2163                                map->name, mfr, id, base);
2164                         jedec_reset(base, map, cfi);
2165                         return 0;
2166                 }
2167         }
2168
2169         /* Check each previous chip locations to see if it's an alias */
2170         for (i=0; i < (base >> cfi->chipshift); i++) {
2171                 unsigned long start;
2172                 if(!test_bit(i, chip_map)) {
2173                         continue; /* Skip location; no valid chip at this address */
2174                 }
2175                 start = i << cfi->chipshift;
2176                 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2177                     jedec_read_id(map, start, cfi) == cfi->id) {
2178                         /* Eep. This chip also looks like it's in autoselect mode.
2179                            Is it an alias for the new one? */
2180                         jedec_reset(start, map, cfi);
2181
2182                         /* If the device IDs go away, it's an alias */
2183                         if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2184                             jedec_read_id(map, base, cfi) != cfi->id) {
2185                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2186                                        map->name, base, start);
2187                                 return 0;
2188                         }
2189
2190                         /* Yes, it's actually got the device IDs as data. Most
2191                          * unfortunate. Stick the new chip in read mode
2192                          * too and if it's the same, assume it's an alias. */
2193                         /* FIXME: Use other modes to do a proper check */
2194                         jedec_reset(base, map, cfi);
2195                         if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2196                             jedec_read_id(map, base, cfi) == cfi->id) {
2197                                 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2198                                        map->name, base, start);
2199                                 return 0;
2200                         }
2201                 }
2202         }
2203
2204         /* OK, if we got to here, then none of the previous chips appear to
2205            be aliases for the current one. */
2206         set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2207         cfi->numchips++;
2208
2209 ok_out:
2210         /* Put it back into Read Mode */
2211         jedec_reset(base, map, cfi);
2212
2213         printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2214                map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2215                map->bankwidth*8);
2216
2217         return 1;
2218 }
2219
2220 static struct chip_probe jedec_chip_probe = {
2221         .name = "JEDEC",
2222         .probe_chip = jedec_probe_chip
2223 };
2224
2225 static struct mtd_info *jedec_probe(struct map_info *map)
2226 {
2227         /*
2228          * Just use the generic probe stuff to call our CFI-specific
2229          * chip_probe routine in all the possible permutations, etc.
2230          */
2231         return mtd_do_chip_probe(map, &jedec_chip_probe);
2232 }
2233
2234 static struct mtd_chip_driver jedec_chipdrv = {
2235         .probe  = jedec_probe,
2236         .name   = "jedec_probe",
2237         .module = THIS_MODULE
2238 };
2239
2240 static int __init jedec_probe_init(void)
2241 {
2242         register_mtd_chip_driver(&jedec_chipdrv);
2243         return 0;
2244 }
2245
2246 static void __exit jedec_probe_exit(void)
2247 {
2248         unregister_mtd_chip_driver(&jedec_chipdrv);
2249 }
2250
2251 module_init(jedec_probe_init);
2252 module_exit(jedec_probe_exit);
2253
2254 MODULE_LICENSE("GPL");
2255 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2256 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");