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