1/* 2 Common Flash Interface probe code. 3 (C) 2000 Red Hat. GPL'd. 4 $Id: jedec_probe.c,v 1.1.1.1 2007/08/03 18:52:43 Exp $ 5 See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5) 6 for the standard this probe goes back to. 7 8 Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com 9*/ 10 11#include <linux/module.h> 12#include <linux/init.h> 13#include <linux/types.h> 14#include <linux/kernel.h> 15#include <asm/io.h> 16#include <asm/byteorder.h> 17#include <linux/errno.h> 18#include <linux/slab.h> 19#include <linux/interrupt.h> 20#include <linux/init.h> 21 22#include <linux/mtd/mtd.h> 23#include <linux/mtd/map.h> 24#include <linux/mtd/cfi.h> 25#include <linux/mtd/gen_probe.h> 26 27/* Manufacturers */ 28#define MANUFACTURER_AMD 0x0001 29#define MANUFACTURER_ATMEL 0x001f 30#define MANUFACTURER_FUJITSU 0x0004 31#define MANUFACTURER_HYUNDAI 0x00AD 32#define MANUFACTURER_INTEL 0x0089 33#define MANUFACTURER_MACRONIX 0x00C2 34#define MANUFACTURER_NEC 0x0010 35#define MANUFACTURER_PMC 0x009D 36#define MANUFACTURER_SHARP 0x00b0 37#define MANUFACTURER_SST 0x00BF 38#define MANUFACTURER_ST 0x0020 39#define MANUFACTURER_TOSHIBA 0x0098 40#define MANUFACTURER_WINBOND 0x00da 41 42 43/* AMD */ 44#define AM29DL800BB 0x22C8 45#define AM29DL800BT 0x224A 46 47#define AM29F800BB 0x2258 48#define AM29F800BT 0x22D6 49#define AM29LV400BB 0x22BA 50#define AM29LV400BT 0x22B9 51#define AM29LV800BB 0x225B 52#define AM29LV800BT 0x22DA 53#define AM29LV160DT 0x22C4 54#define AM29LV160DB 0x2249 55#define AM29F017D 0x003D 56#define AM29F016D 0x00AD 57#define AM29F080 0x00D5 58#define AM29F040 0x00A4 59#define AM29LV040B 0x004F 60#define AM29F032B 0x0041 61#define AM29F002T 0x00B0 62 63/* Atmel */ 64#define AT49BV512 0x0003 65#define AT29LV512 0x003d 66#define AT49BV16X 0x00C0 67#define AT49BV16XT 0x00C2 68#define AT49BV32X 0x00C8 69#define AT49BV32XT 0x00C9 70 71/* Fujitsu */ 72#define MBM29F040C 0x00A4 73#define MBM29LV650UE 0x22D7 74#define MBM29LV320TE 0x22F6 75#define MBM29LV320BE 0x22F9 76#define MBM29LV160TE 0x22C4 77#define MBM29LV160BE 0x2249 78#define MBM29LV800BA 0x225B 79#define MBM29LV800TA 0x22DA 80#define MBM29LV400TC 0x22B9 81#define MBM29LV400BC 0x22BA 82 83/* Hyundai */ 84#define HY29F002T 0x00B0 85 86/* Intel */ 87#define I28F004B3T 0x00d4 88#define I28F004B3B 0x00d5 89#define I28F400B3T 0x8894 90#define I28F400B3B 0x8895 91#define I28F008S5 0x00a6 92#define I28F016S5 0x00a0 93#define I28F008SA 0x00a2 94#define I28F008B3T 0x00d2 95#define I28F008B3B 0x00d3 96#define I28F800B3T 0x8892 97#define I28F800B3B 0x8893 98#define I28F016S3 0x00aa 99#define I28F016B3T 0x00d0 100#define I28F016B3B 0x00d1 101#define I28F160B3T 0x8890 102#define I28F160B3B 0x8891 103#define I28F320B3T 0x8896 104#define I28F320B3B 0x8897 105#define I28F640B3T 0x8898 106#define I28F640B3B 0x8899 107#define I82802AB 0x00ad 108#define I82802AC 0x00ac 109 110/* Macronix */ 111#define MX29LV040C 0x004F 112#define MX29LV160T 0x22C4 113#define MX29LV160B 0x2249 114#define MX29F040 0x00A4 115#define MX29F016 0x00AD 116#define MX29F002T 0x00B0 117#define MX29F004T 0x0045 118#define MX29F004B 0x0046 119 120/* NEC */ 121#define UPD29F064115 0x221C 122 123/* PMC */ 124#define PM49FL002 0x006D 125#define PM49FL004 0x006E 126#define PM49FL008 0x006A 127 128/* Sharp */ 129#define LH28F640BF 0x00b0 130 131/* ST - www.st.com */ 132#define M29W800DT 0x00D7 133#define M29W800DB 0x005B 134#define M29W160DT 0x22C4 135#define M29W160DB 0x2249 136#define M29W040B 0x00E3 137#define M50FW040 0x002C 138#define M50FW080 0x002D 139#define M50FW016 0x002E 140#define M50LPW080 0x002F 141 142/* SST */ 143#define SST29EE020 0x0010 144#define SST29LE020 0x0012 145#define SST29EE512 0x005d 146#define SST29LE512 0x003d 147#define SST39LF800 0x2781 148#define SST39LF160 0x2782 149#define SST39VF1601 0x234b 150#define SST39LF512 0x00D4 151#define SST39LF010 0x00D5 152#define SST39LF020 0x00D6 153#define SST39LF040 0x00D7 154#define SST39SF010A 0x00B5 155#define SST39SF020A 0x00B6 156#define SST49LF004B 0x0060 157#define SST49LF040B 0x0050 158#define SST49LF008A 0x005a 159#define SST49LF030A 0x001C 160#define SST49LF040A 0x0051 161#define SST49LF080A 0x005B 162 163/* Toshiba */ 164#define TC58FVT160 0x00C2 165#define TC58FVB160 0x0043 166#define TC58FVT321 0x009A 167#define TC58FVB321 0x009C 168#define TC58FVT641 0x0093 169#define TC58FVB641 0x0095 170 171/* Winbond */ 172#define W49V002A 0x00b0 173 174 175/* 176 * Unlock address sets for AMD command sets. 177 * Intel command sets use the MTD_UADDR_UNNECESSARY. 178 * Each identifier, except MTD_UADDR_UNNECESSARY, and 179 * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[]. 180 * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure 181 * initialization need not require initializing all of the 182 * unlock addresses for all bit widths. 183 */ 184enum uaddr { 185 MTD_UADDR_NOT_SUPPORTED = 0, /* data width not supported */ 186 MTD_UADDR_0x0555_0x02AA, 187 MTD_UADDR_0x0555_0x0AAA, 188 MTD_UADDR_0x5555_0x2AAA, 189 MTD_UADDR_0x0AAA_0x0555, 190 MTD_UADDR_DONT_CARE, /* Requires an arbitrary address */ 191 MTD_UADDR_UNNECESSARY, /* Does not require any address */ 192}; 193 194 195struct unlock_addr { 196 u32 addr1; 197 u32 addr2; 198}; 199 200 201/* 202 * I don't like the fact that the first entry in unlock_addrs[] 203 * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore, 204 * should not be used. The problem is that structures with 205 * initializers have extra fields initialized to 0. It is _very_ 206 * desireable to have the unlock address entries for unsupported 207 * data widths automatically initialized - that means that 208 * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here 209 * must go unused. 210 */ 211static const struct unlock_addr unlock_addrs[] = { 212 [MTD_UADDR_NOT_SUPPORTED] = { 213 .addr1 = 0xffff, 214 .addr2 = 0xffff 215 }, 216 217 [MTD_UADDR_0x0555_0x02AA] = { 218 .addr1 = 0x0555, 219 .addr2 = 0x02aa 220 }, 221 222 [MTD_UADDR_0x0555_0x0AAA] = { 223 .addr1 = 0x0555, 224 .addr2 = 0x0aaa 225 }, 226 227 [MTD_UADDR_0x5555_0x2AAA] = { 228 .addr1 = 0x5555, 229 .addr2 = 0x2aaa 230 }, 231 232 [MTD_UADDR_0x0AAA_0x0555] = { 233 .addr1 = 0x0AAA, 234 .addr2 = 0x0555 235 }, 236 237 [MTD_UADDR_DONT_CARE] = { 238 .addr1 = 0x0000, /* Doesn't matter which address */ 239 .addr2 = 0x0000 /* is used - must be last entry */ 240 }, 241 242 [MTD_UADDR_UNNECESSARY] = { 243 .addr1 = 0x0000, 244 .addr2 = 0x0000 245 } 246}; 247 248 249struct amd_flash_info { 250 const __u16 mfr_id; 251 const __u16 dev_id; 252 const char *name; 253 const int DevSize; 254 const int NumEraseRegions; 255 const int CmdSet; 256 const __u8 uaddr[4]; /* unlock addrs for 8, 16, 32, 64 */ 257 const ulong regions[6]; 258}; 259 260#define ERASEINFO(size,blocks) (size<<8)|(blocks-1) 261 262#define SIZE_64KiB 16 263#define SIZE_128KiB 17 264#define SIZE_256KiB 18 265#define SIZE_512KiB 19 266#define SIZE_1MiB 20 267#define SIZE_2MiB 21 268#define SIZE_4MiB 22 269#define SIZE_8MiB 23 270 271 272/* 273 * Please keep this list ordered by manufacturer! 274 * Fortunately, the list isn't searched often and so a 275 * slow, linear search isn't so bad. 276 */ 277static const struct amd_flash_info jedec_table[] = { 278 { 279 .mfr_id = MANUFACTURER_AMD, 280 .dev_id = AM29F032B, 281 .name = "AMD AM29F032B", 282 .uaddr = { 283 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 284 }, 285 .DevSize = SIZE_4MiB, 286 .CmdSet = P_ID_AMD_STD, 287 .NumEraseRegions= 1, 288 .regions = { 289 ERASEINFO(0x10000,64) 290 } 291 }, { 292 .mfr_id = MANUFACTURER_AMD, 293 .dev_id = AM29LV160DT, 294 .name = "AMD AM29LV160DT", 295 .uaddr = { 296 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 297 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ 298 }, 299 .DevSize = SIZE_2MiB, 300 .CmdSet = P_ID_AMD_STD, 301 .NumEraseRegions= 4, 302 .regions = { 303 ERASEINFO(0x10000,31), 304 ERASEINFO(0x08000,1), 305 ERASEINFO(0x02000,2), 306 ERASEINFO(0x04000,1) 307 } 308 }, { 309 .mfr_id = MANUFACTURER_AMD, 310 .dev_id = AM29LV160DB, 311 .name = "AMD AM29LV160DB", 312 .uaddr = { 313 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 314 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ 315 }, 316 .DevSize = SIZE_2MiB, 317 .CmdSet = P_ID_AMD_STD, 318 .NumEraseRegions= 4, 319 .regions = { 320 ERASEINFO(0x04000,1), 321 ERASEINFO(0x02000,2), 322 ERASEINFO(0x08000,1), 323 ERASEINFO(0x10000,31) 324 } 325 }, { 326 .mfr_id = MANUFACTURER_AMD, 327 .dev_id = AM29LV400BB, 328 .name = "AMD AM29LV400BB", 329 .uaddr = { 330 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 331 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 332 }, 333 .DevSize = SIZE_512KiB, 334 .CmdSet = P_ID_AMD_STD, 335 .NumEraseRegions= 4, 336 .regions = { 337 ERASEINFO(0x04000,1), 338 ERASEINFO(0x02000,2), 339 ERASEINFO(0x08000,1), 340 ERASEINFO(0x10000,7) 341 } 342 }, { 343 .mfr_id = MANUFACTURER_AMD, 344 .dev_id = AM29LV400BT, 345 .name = "AMD AM29LV400BT", 346 .uaddr = { 347 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 348 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 349 }, 350 .DevSize = SIZE_512KiB, 351 .CmdSet = P_ID_AMD_STD, 352 .NumEraseRegions= 4, 353 .regions = { 354 ERASEINFO(0x10000,7), 355 ERASEINFO(0x08000,1), 356 ERASEINFO(0x02000,2), 357 ERASEINFO(0x04000,1) 358 } 359 }, { 360 .mfr_id = MANUFACTURER_AMD, 361 .dev_id = AM29LV800BB, 362 .name = "AMD AM29LV800BB", 363 .uaddr = { 364 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 365 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 366 }, 367 .DevSize = SIZE_1MiB, 368 .CmdSet = P_ID_AMD_STD, 369 .NumEraseRegions= 4, 370 .regions = { 371 ERASEINFO(0x04000,1), 372 ERASEINFO(0x02000,2), 373 ERASEINFO(0x08000,1), 374 ERASEINFO(0x10000,15), 375 } 376 }, { 377/* add DL */ 378 .mfr_id = MANUFACTURER_AMD, 379 .dev_id = AM29DL800BB, 380 .name = "AMD AM29DL800BB", 381 .uaddr = { 382 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 383 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 384 }, 385 .DevSize = SIZE_1MiB, 386 .CmdSet = P_ID_AMD_STD, 387 .NumEraseRegions= 6, 388 .regions = { 389 ERASEINFO(0x04000,1), 390 ERASEINFO(0x08000,1), 391 ERASEINFO(0x02000,4), 392 ERASEINFO(0x08000,1), 393 ERASEINFO(0x04000,1), 394 ERASEINFO(0x10000,14) 395 } 396 }, { 397 .mfr_id = MANUFACTURER_AMD, 398 .dev_id = AM29DL800BT, 399 .name = "AMD AM29DL800BT", 400 .uaddr = { 401 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 402 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 403 }, 404 .DevSize = SIZE_1MiB, 405 .CmdSet = P_ID_AMD_STD, 406 .NumEraseRegions= 6, 407 .regions = { 408 ERASEINFO(0x10000,14), 409 ERASEINFO(0x04000,1), 410 ERASEINFO(0x08000,1), 411 ERASEINFO(0x02000,4), 412 ERASEINFO(0x08000,1), 413 ERASEINFO(0x04000,1) 414 } 415 }, { 416 .mfr_id = MANUFACTURER_AMD, 417 .dev_id = AM29F800BB, 418 .name = "AMD AM29F800BB", 419 .uaddr = { 420 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 421 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 422 }, 423 .DevSize = SIZE_1MiB, 424 .CmdSet = P_ID_AMD_STD, 425 .NumEraseRegions= 4, 426 .regions = { 427 ERASEINFO(0x04000,1), 428 ERASEINFO(0x02000,2), 429 ERASEINFO(0x08000,1), 430 ERASEINFO(0x10000,15), 431 } 432 }, { 433 .mfr_id = MANUFACTURER_AMD, 434 .dev_id = AM29LV800BT, 435 .name = "AMD AM29LV800BT", 436 .uaddr = { 437 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 438 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 439 }, 440 .DevSize = SIZE_1MiB, 441 .CmdSet = P_ID_AMD_STD, 442 .NumEraseRegions= 4, 443 .regions = { 444 ERASEINFO(0x10000,15), 445 ERASEINFO(0x08000,1), 446 ERASEINFO(0x02000,2), 447 ERASEINFO(0x04000,1) 448 } 449 }, { 450 .mfr_id = MANUFACTURER_AMD, 451 .dev_id = AM29F800BT, 452 .name = "AMD AM29F800BT", 453 .uaddr = { 454 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 455 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 456 }, 457 .DevSize = SIZE_1MiB, 458 .CmdSet = P_ID_AMD_STD, 459 .NumEraseRegions= 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 .uaddr = { 471 [0] = MTD_UADDR_DONT_CARE /* x8 */ 472 }, 473 .DevSize = SIZE_2MiB, 474 .CmdSet = P_ID_AMD_STD, 475 .NumEraseRegions= 1, 476 .regions = { 477 ERASEINFO(0x10000,32), 478 } 479 }, { 480 .mfr_id = MANUFACTURER_AMD, 481 .dev_id = AM29F016D, 482 .name = "AMD AM29F016D", 483 .uaddr = { 484 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 485 }, 486 .DevSize = SIZE_2MiB, 487 .CmdSet = P_ID_AMD_STD, 488 .NumEraseRegions= 1, 489 .regions = { 490 ERASEINFO(0x10000,32), 491 } 492 }, { 493 .mfr_id = MANUFACTURER_AMD, 494 .dev_id = AM29F080, 495 .name = "AMD AM29F080", 496 .uaddr = { 497 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 498 }, 499 .DevSize = SIZE_1MiB, 500 .CmdSet = P_ID_AMD_STD, 501 .NumEraseRegions= 1, 502 .regions = { 503 ERASEINFO(0x10000,16), 504 } 505 }, { 506 .mfr_id = MANUFACTURER_AMD, 507 .dev_id = AM29F040, 508 .name = "AMD AM29F040", 509 .uaddr = { 510 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 511 }, 512 .DevSize = SIZE_512KiB, 513 .CmdSet = P_ID_AMD_STD, 514 .NumEraseRegions= 1, 515 .regions = { 516 ERASEINFO(0x10000,8), 517 } 518 }, { 519 .mfr_id = MANUFACTURER_AMD, 520 .dev_id = AM29LV040B, 521 .name = "AMD AM29LV040B", 522 .uaddr = { 523 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 524 }, 525 .DevSize = SIZE_512KiB, 526 .CmdSet = P_ID_AMD_STD, 527 .NumEraseRegions= 1, 528 .regions = { 529 ERASEINFO(0x10000,8), 530 } 531 }, { 532 .mfr_id = MANUFACTURER_AMD, 533 .dev_id = AM29F002T, 534 .name = "AMD AM29F002T", 535 .uaddr = { 536 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 537 }, 538 .DevSize = SIZE_256KiB, 539 .CmdSet = P_ID_AMD_STD, 540 .NumEraseRegions= 4, 541 .regions = { 542 ERASEINFO(0x10000,3), 543 ERASEINFO(0x08000,1), 544 ERASEINFO(0x02000,2), 545 ERASEINFO(0x04000,1), 546 } 547 }, { 548 .mfr_id = MANUFACTURER_ATMEL, 549 .dev_id = AT49BV512, 550 .name = "Atmel AT49BV512", 551 .uaddr = { 552 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 553 }, 554 .DevSize = SIZE_64KiB, 555 .CmdSet = P_ID_AMD_STD, 556 .NumEraseRegions= 1, 557 .regions = { 558 ERASEINFO(0x10000,1) 559 } 560 }, { 561 .mfr_id = MANUFACTURER_ATMEL, 562 .dev_id = AT29LV512, 563 .name = "Atmel AT29LV512", 564 .uaddr = { 565 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 566 }, 567 .DevSize = SIZE_64KiB, 568 .CmdSet = P_ID_AMD_STD, 569 .NumEraseRegions= 1, 570 .regions = { 571 ERASEINFO(0x80,256), 572 ERASEINFO(0x80,256) 573 } 574 }, { 575 .mfr_id = MANUFACTURER_ATMEL, 576 .dev_id = AT49BV16X, 577 .name = "Atmel AT49BV16X", 578 .uaddr = { 579 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */ 580 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */ 581 }, 582 .DevSize = SIZE_2MiB, 583 .CmdSet = P_ID_AMD_STD, 584 .NumEraseRegions= 2, 585 .regions = { 586 ERASEINFO(0x02000,8), 587 ERASEINFO(0x10000,31) 588 } 589 }, { 590 .mfr_id = MANUFACTURER_ATMEL, 591 .dev_id = AT49BV16XT, 592 .name = "Atmel AT49BV16XT", 593 .uaddr = { 594 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */ 595 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */ 596 }, 597 .DevSize = SIZE_2MiB, 598 .CmdSet = P_ID_AMD_STD, 599 .NumEraseRegions= 2, 600 .regions = { 601 ERASEINFO(0x10000,31), 602 ERASEINFO(0x02000,8) 603 } 604 }, { 605 .mfr_id = MANUFACTURER_ATMEL, 606 .dev_id = AT49BV32X, 607 .name = "Atmel AT49BV32X", 608 .uaddr = { 609 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */ 610 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */ 611 }, 612 .DevSize = SIZE_4MiB, 613 .CmdSet = P_ID_AMD_STD, 614 .NumEraseRegions= 2, 615 .regions = { 616 ERASEINFO(0x02000,8), 617 ERASEINFO(0x10000,63) 618 } 619 }, { 620 .mfr_id = MANUFACTURER_ATMEL, 621 .dev_id = AT49BV32XT, 622 .name = "Atmel AT49BV32XT", 623 .uaddr = { 624 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */ 625 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */ 626 }, 627 .DevSize = SIZE_4MiB, 628 .CmdSet = P_ID_AMD_STD, 629 .NumEraseRegions= 2, 630 .regions = { 631 ERASEINFO(0x10000,63), 632 ERASEINFO(0x02000,8) 633 } 634 }, { 635 .mfr_id = MANUFACTURER_FUJITSU, 636 .dev_id = MBM29F040C, 637 .name = "Fujitsu MBM29F040C", 638 .uaddr = { 639 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 640 }, 641 .DevSize = SIZE_512KiB, 642 .CmdSet = P_ID_AMD_STD, 643 .NumEraseRegions= 1, 644 .regions = { 645 ERASEINFO(0x10000,8) 646 } 647 }, { 648 .mfr_id = MANUFACTURER_FUJITSU, 649 .dev_id = MBM29LV650UE, 650 .name = "Fujitsu MBM29LV650UE", 651 .uaddr = { 652 [0] = MTD_UADDR_DONT_CARE /* x16 */ 653 }, 654 .DevSize = SIZE_8MiB, 655 .CmdSet = P_ID_AMD_STD, 656 .NumEraseRegions= 1, 657 .regions = { 658 ERASEINFO(0x10000,128) 659 } 660 }, { 661 .mfr_id = MANUFACTURER_FUJITSU, 662 .dev_id = MBM29LV320TE, 663 .name = "Fujitsu MBM29LV320TE", 664 .uaddr = { 665 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 666 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 667 }, 668 .DevSize = SIZE_4MiB, 669 .CmdSet = P_ID_AMD_STD, 670 .NumEraseRegions= 2, 671 .regions = { 672 ERASEINFO(0x10000,63), 673 ERASEINFO(0x02000,8) 674 } 675 }, { 676 .mfr_id = MANUFACTURER_FUJITSU, 677 .dev_id = MBM29LV320BE, 678 .name = "Fujitsu MBM29LV320BE", 679 .uaddr = { 680 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 681 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 682 }, 683 .DevSize = SIZE_4MiB, 684 .CmdSet = P_ID_AMD_STD, 685 .NumEraseRegions= 2, 686 .regions = { 687 ERASEINFO(0x02000,8), 688 ERASEINFO(0x10000,63) 689 } 690 }, { 691 .mfr_id = MANUFACTURER_FUJITSU, 692 .dev_id = MBM29LV160TE, 693 .name = "Fujitsu MBM29LV160TE", 694 .uaddr = { 695 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 696 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 697 }, 698 .DevSize = SIZE_2MiB, 699 .CmdSet = P_ID_AMD_STD, 700 .NumEraseRegions= 4, 701 .regions = { 702 ERASEINFO(0x10000,31), 703 ERASEINFO(0x08000,1), 704 ERASEINFO(0x02000,2), 705 ERASEINFO(0x04000,1) 706 } 707 }, { 708 .mfr_id = MANUFACTURER_FUJITSU, 709 .dev_id = MBM29LV160BE, 710 .name = "Fujitsu MBM29LV160BE", 711 .uaddr = { 712 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 713 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 714 }, 715 .DevSize = SIZE_2MiB, 716 .CmdSet = P_ID_AMD_STD, 717 .NumEraseRegions= 4, 718 .regions = { 719 ERASEINFO(0x04000,1), 720 ERASEINFO(0x02000,2), 721 ERASEINFO(0x08000,1), 722 ERASEINFO(0x10000,31) 723 } 724 }, { 725 .mfr_id = MANUFACTURER_FUJITSU, 726 .dev_id = MBM29LV800BA, 727 .name = "Fujitsu MBM29LV800BA", 728 .uaddr = { 729 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 730 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 731 }, 732 .DevSize = SIZE_1MiB, 733 .CmdSet = P_ID_AMD_STD, 734 .NumEraseRegions= 4, 735 .regions = { 736 ERASEINFO(0x04000,1), 737 ERASEINFO(0x02000,2), 738 ERASEINFO(0x08000,1), 739 ERASEINFO(0x10000,15) 740 } 741 }, { 742 .mfr_id = MANUFACTURER_FUJITSU, 743 .dev_id = MBM29LV800TA, 744 .name = "Fujitsu MBM29LV800TA", 745 .uaddr = { 746 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 747 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 748 }, 749 .DevSize = SIZE_1MiB, 750 .CmdSet = P_ID_AMD_STD, 751 .NumEraseRegions= 4, 752 .regions = { 753 ERASEINFO(0x10000,15), 754 ERASEINFO(0x08000,1), 755 ERASEINFO(0x02000,2), 756 ERASEINFO(0x04000,1) 757 } 758 }, { 759 .mfr_id = MANUFACTURER_FUJITSU, 760 .dev_id = MBM29LV400BC, 761 .name = "Fujitsu MBM29LV400BC", 762 .uaddr = { 763 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 764 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 765 }, 766 .DevSize = SIZE_512KiB, 767 .CmdSet = P_ID_AMD_STD, 768 .NumEraseRegions= 4, 769 .regions = { 770 ERASEINFO(0x04000,1), 771 ERASEINFO(0x02000,2), 772 ERASEINFO(0x08000,1), 773 ERASEINFO(0x10000,7) 774 } 775 }, { 776 .mfr_id = MANUFACTURER_FUJITSU, 777 .dev_id = MBM29LV400TC, 778 .name = "Fujitsu MBM29LV400TC", 779 .uaddr = { 780 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 781 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 782 }, 783 .DevSize = SIZE_512KiB, 784 .CmdSet = P_ID_AMD_STD, 785 .NumEraseRegions= 4, 786 .regions = { 787 ERASEINFO(0x10000,7), 788 ERASEINFO(0x08000,1), 789 ERASEINFO(0x02000,2), 790 ERASEINFO(0x04000,1) 791 } 792 }, { 793 .mfr_id = MANUFACTURER_HYUNDAI, 794 .dev_id = HY29F002T, 795 .name = "Hyundai HY29F002T", 796 .uaddr = { 797 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 798 }, 799 .DevSize = SIZE_256KiB, 800 .CmdSet = P_ID_AMD_STD, 801 .NumEraseRegions= 4, 802 .regions = { 803 ERASEINFO(0x10000,3), 804 ERASEINFO(0x08000,1), 805 ERASEINFO(0x02000,2), 806 ERASEINFO(0x04000,1), 807 } 808 }, { 809 .mfr_id = MANUFACTURER_INTEL, 810 .dev_id = I28F004B3B, 811 .name = "Intel 28F004B3B", 812 .uaddr = { 813 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 814 }, 815 .DevSize = SIZE_512KiB, 816 .CmdSet = P_ID_INTEL_STD, 817 .NumEraseRegions= 2, 818 .regions = { 819 ERASEINFO(0x02000, 8), 820 ERASEINFO(0x10000, 7), 821 } 822 }, { 823 .mfr_id = MANUFACTURER_INTEL, 824 .dev_id = I28F004B3T, 825 .name = "Intel 28F004B3T", 826 .uaddr = { 827 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 828 }, 829 .DevSize = SIZE_512KiB, 830 .CmdSet = P_ID_INTEL_STD, 831 .NumEraseRegions= 2, 832 .regions = { 833 ERASEINFO(0x10000, 7), 834 ERASEINFO(0x02000, 8), 835 } 836 }, { 837 .mfr_id = MANUFACTURER_INTEL, 838 .dev_id = I28F400B3B, 839 .name = "Intel 28F400B3B", 840 .uaddr = { 841 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 842 [1] = MTD_UADDR_UNNECESSARY, /* x16 */ 843 }, 844 .DevSize = SIZE_512KiB, 845 .CmdSet = P_ID_INTEL_STD, 846 .NumEraseRegions= 2, 847 .regions = { 848 ERASEINFO(0x02000, 8), 849 ERASEINFO(0x10000, 7), 850 } 851 }, { 852 .mfr_id = MANUFACTURER_INTEL, 853 .dev_id = I28F400B3T, 854 .name = "Intel 28F400B3T", 855 .uaddr = { 856 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 857 [1] = MTD_UADDR_UNNECESSARY, /* x16 */ 858 }, 859 .DevSize = SIZE_512KiB, 860 .CmdSet = P_ID_INTEL_STD, 861 .NumEraseRegions= 2, 862 .regions = { 863 ERASEINFO(0x10000, 7), 864 ERASEINFO(0x02000, 8), 865 } 866 }, { 867 .mfr_id = MANUFACTURER_INTEL, 868 .dev_id = I28F008B3B, 869 .name = "Intel 28F008B3B", 870 .uaddr = { 871 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 872 }, 873 .DevSize = SIZE_1MiB, 874 .CmdSet = P_ID_INTEL_STD, 875 .NumEraseRegions= 2, 876 .regions = { 877 ERASEINFO(0x02000, 8), 878 ERASEINFO(0x10000, 15), 879 } 880 }, { 881 .mfr_id = MANUFACTURER_INTEL, 882 .dev_id = I28F008B3T, 883 .name = "Intel 28F008B3T", 884 .uaddr = { 885 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 886 }, 887 .DevSize = SIZE_1MiB, 888 .CmdSet = P_ID_INTEL_STD, 889 .NumEraseRegions= 2, 890 .regions = { 891 ERASEINFO(0x10000, 15), 892 ERASEINFO(0x02000, 8), 893 } 894 }, { 895 .mfr_id = MANUFACTURER_INTEL, 896 .dev_id = I28F008S5, 897 .name = "Intel 28F008S5", 898 .uaddr = { 899 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 900 }, 901 .DevSize = SIZE_1MiB, 902 .CmdSet = P_ID_INTEL_EXT, 903 .NumEraseRegions= 1, 904 .regions = { 905 ERASEINFO(0x10000,16), 906 } 907 }, { 908 .mfr_id = MANUFACTURER_INTEL, 909 .dev_id = I28F016S5, 910 .name = "Intel 28F016S5", 911 .uaddr = { 912 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 913 }, 914 .DevSize = SIZE_2MiB, 915 .CmdSet = P_ID_INTEL_EXT, 916 .NumEraseRegions= 1, 917 .regions = { 918 ERASEINFO(0x10000,32), 919 } 920 }, { 921 .mfr_id = MANUFACTURER_INTEL, 922 .dev_id = I28F008SA, 923 .name = "Intel 28F008SA", 924 .uaddr = { 925 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 926 }, 927 .DevSize = SIZE_1MiB, 928 .CmdSet = P_ID_INTEL_STD, 929 .NumEraseRegions= 1, 930 .regions = { 931 ERASEINFO(0x10000, 16), 932 } 933 }, { 934 .mfr_id = MANUFACTURER_INTEL, 935 .dev_id = I28F800B3B, 936 .name = "Intel 28F800B3B", 937 .uaddr = { 938 [1] = MTD_UADDR_UNNECESSARY, /* x16 */ 939 }, 940 .DevSize = SIZE_1MiB, 941 .CmdSet = P_ID_INTEL_STD, 942 .NumEraseRegions= 2, 943 .regions = { 944 ERASEINFO(0x02000, 8), 945 ERASEINFO(0x10000, 15), 946 } 947 }, { 948 .mfr_id = MANUFACTURER_INTEL, 949 .dev_id = I28F800B3T, 950 .name = "Intel 28F800B3T", 951 .uaddr = { 952 [1] = MTD_UADDR_UNNECESSARY, /* x16 */ 953 }, 954 .DevSize = SIZE_1MiB, 955 .CmdSet = P_ID_INTEL_STD, 956 .NumEraseRegions= 2, 957 .regions = { 958 ERASEINFO(0x10000, 15), 959 ERASEINFO(0x02000, 8), 960 } 961 }, { 962 .mfr_id = MANUFACTURER_INTEL, 963 .dev_id = I28F016B3B, 964 .name = "Intel 28F016B3B", 965 .uaddr = { 966 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 967 }, 968 .DevSize = SIZE_2MiB, 969 .CmdSet = P_ID_INTEL_STD, 970 .NumEraseRegions= 2, 971 .regions = { 972 ERASEINFO(0x02000, 8), 973 ERASEINFO(0x10000, 31), 974 } 975 }, { 976 .mfr_id = MANUFACTURER_INTEL, 977 .dev_id = I28F016S3, 978 .name = "Intel I28F016S3", 979 .uaddr = { 980 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 981 }, 982 .DevSize = SIZE_2MiB, 983 .CmdSet = P_ID_INTEL_STD, 984 .NumEraseRegions= 1, 985 .regions = { 986 ERASEINFO(0x10000, 32), 987 } 988 }, { 989 .mfr_id = MANUFACTURER_INTEL, 990 .dev_id = I28F016B3T, 991 .name = "Intel 28F016B3T", 992 .uaddr = { 993 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 994 }, 995 .DevSize = SIZE_2MiB, 996 .CmdSet = P_ID_INTEL_STD, 997 .NumEraseRegions= 2, 998 .regions = { 999 ERASEINFO(0x10000, 31), 1000 ERASEINFO(0x02000, 8), 1001 } 1002 }, { 1003 .mfr_id = MANUFACTURER_INTEL, 1004 .dev_id = I28F160B3B, 1005 .name = "Intel 28F160B3B", 1006 .uaddr = { 1007 [1] = MTD_UADDR_UNNECESSARY, /* x16 */ 1008 }, 1009 .DevSize = SIZE_2MiB, 1010 .CmdSet = P_ID_INTEL_STD, 1011 .NumEraseRegions= 2, 1012 .regions = { 1013 ERASEINFO(0x02000, 8), 1014 ERASEINFO(0x10000, 31), 1015 } 1016 }, { 1017 .mfr_id = MANUFACTURER_INTEL, 1018 .dev_id = I28F160B3T, 1019 .name = "Intel 28F160B3T", 1020 .uaddr = { 1021 [1] = MTD_UADDR_UNNECESSARY, /* x16 */ 1022 }, 1023 .DevSize = SIZE_2MiB, 1024 .CmdSet = P_ID_INTEL_STD, 1025 .NumEraseRegions= 2, 1026 .regions = { 1027 ERASEINFO(0x10000, 31), 1028 ERASEINFO(0x02000, 8), 1029 } 1030 }, { 1031 .mfr_id = MANUFACTURER_INTEL, 1032 .dev_id = I28F320B3B, 1033 .name = "Intel 28F320B3B", 1034 .uaddr = { 1035 [1] = MTD_UADDR_UNNECESSARY, /* x16 */ 1036 }, 1037 .DevSize = SIZE_4MiB, 1038 .CmdSet = P_ID_INTEL_STD, 1039 .NumEraseRegions= 2, 1040 .regions = { 1041 ERASEINFO(0x02000, 8), 1042 ERASEINFO(0x10000, 63), 1043 } 1044 }, { 1045 .mfr_id = MANUFACTURER_INTEL, 1046 .dev_id = I28F320B3T, 1047 .name = "Intel 28F320B3T", 1048 .uaddr = { 1049 [1] = MTD_UADDR_UNNECESSARY, /* x16 */ 1050 }, 1051 .DevSize = SIZE_4MiB, 1052 .CmdSet = P_ID_INTEL_STD, 1053 .NumEraseRegions= 2, 1054 .regions = { 1055 ERASEINFO(0x10000, 63), 1056 ERASEINFO(0x02000, 8), 1057 } 1058 }, { 1059 .mfr_id = MANUFACTURER_INTEL, 1060 .dev_id = I28F640B3B, 1061 .name = "Intel 28F640B3B", 1062 .uaddr = { 1063 [1] = MTD_UADDR_UNNECESSARY, /* x16 */ 1064 }, 1065 .DevSize = SIZE_8MiB, 1066 .CmdSet = P_ID_INTEL_STD, 1067 .NumEraseRegions= 2, 1068 .regions = { 1069 ERASEINFO(0x02000, 8), 1070 ERASEINFO(0x10000, 127), 1071 } 1072 }, { 1073 .mfr_id = MANUFACTURER_INTEL, 1074 .dev_id = I28F640B3T, 1075 .name = "Intel 28F640B3T", 1076 .uaddr = { 1077 [1] = MTD_UADDR_UNNECESSARY, /* x16 */ 1078 }, 1079 .DevSize = SIZE_8MiB, 1080 .CmdSet = P_ID_INTEL_STD, 1081 .NumEraseRegions= 2, 1082 .regions = { 1083 ERASEINFO(0x10000, 127), 1084 ERASEINFO(0x02000, 8), 1085 } 1086 }, { 1087 .mfr_id = MANUFACTURER_INTEL, 1088 .dev_id = I82802AB, 1089 .name = "Intel 82802AB", 1090 .uaddr = { 1091 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 1092 }, 1093 .DevSize = SIZE_512KiB, 1094 .CmdSet = P_ID_INTEL_EXT, 1095 .NumEraseRegions= 1, 1096 .regions = { 1097 ERASEINFO(0x10000,8), 1098 } 1099 }, { 1100 .mfr_id = MANUFACTURER_INTEL, 1101 .dev_id = I82802AC, 1102 .name = "Intel 82802AC", 1103 .uaddr = { 1104 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 1105 }, 1106 .DevSize = SIZE_1MiB, 1107 .CmdSet = P_ID_INTEL_EXT, 1108 .NumEraseRegions= 1, 1109 .regions = { 1110 ERASEINFO(0x10000,16), 1111 } 1112 }, { 1113 .mfr_id = MANUFACTURER_MACRONIX, 1114 .dev_id = MX29LV040C, 1115 .name = "Macronix MX29LV040C", 1116 .uaddr = { 1117 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */ 1118 }, 1119 .DevSize = SIZE_512KiB, 1120 .CmdSet = P_ID_AMD_STD, 1121 .NumEraseRegions= 1, 1122 .regions = { 1123 ERASEINFO(0x10000,8), 1124 } 1125 }, { 1126 .mfr_id = MANUFACTURER_MACRONIX, 1127 .dev_id = MX29LV160T, 1128 .name = "MXIC MX29LV160T", 1129 .uaddr = { 1130 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 1131 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 1132 }, 1133 .DevSize = SIZE_2MiB, 1134 .CmdSet = P_ID_AMD_STD, 1135 .NumEraseRegions= 4, 1136 .regions = { 1137 ERASEINFO(0x10000,31), 1138 ERASEINFO(0x08000,1), 1139 ERASEINFO(0x02000,2), 1140 ERASEINFO(0x04000,1) 1141 } 1142 }, { 1143 .mfr_id = MANUFACTURER_NEC, 1144 .dev_id = UPD29F064115, 1145 .name = "NEC uPD29F064115", 1146 .uaddr = { 1147 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */ 1148 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 1149 }, 1150 .DevSize = SIZE_8MiB, 1151 .CmdSet = P_ID_AMD_STD, 1152 .NumEraseRegions= 3, 1153 .regions = { 1154 ERASEINFO(0x2000,8), 1155 ERASEINFO(0x10000,126), 1156 ERASEINFO(0x2000,8), 1157 } 1158 }, { 1159 .mfr_id = MANUFACTURER_MACRONIX, 1160 .dev_id = MX29LV160B, 1161 .name = "MXIC MX29LV160B", 1162 .uaddr = { 1163 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 1164 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 1165 }, 1166 .DevSize = SIZE_2MiB, 1167 .CmdSet = P_ID_AMD_STD, 1168 .NumEraseRegions= 4, 1169 .regions = { 1170 ERASEINFO(0x04000,1), 1171 ERASEINFO(0x02000,2), 1172 ERASEINFO(0x08000,1), 1173 ERASEINFO(0x10000,31) 1174 } 1175 }, { 1176 .mfr_id = MANUFACTURER_MACRONIX, 1177 .dev_id = MX29F040, 1178 .name = "Macronix MX29F040", 1179 .uaddr = { 1180 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 1181 }, 1182 .DevSize = SIZE_512KiB, 1183 .CmdSet = P_ID_AMD_STD, 1184 .NumEraseRegions= 1, 1185 .regions = { 1186 ERASEINFO(0x10000,8), 1187 } 1188 }, { 1189 .mfr_id = MANUFACTURER_MACRONIX, 1190 .dev_id = MX29F016, 1191 .name = "Macronix MX29F016", 1192 .uaddr = { 1193 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 1194 }, 1195 .DevSize = SIZE_2MiB, 1196 .CmdSet = P_ID_AMD_STD, 1197 .NumEraseRegions= 1, 1198 .regions = { 1199 ERASEINFO(0x10000,32), 1200 } 1201 }, { 1202 .mfr_id = MANUFACTURER_MACRONIX, 1203 .dev_id = MX29F004T, 1204 .name = "Macronix MX29F004T", 1205 .uaddr = { 1206 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 1207 }, 1208 .DevSize = SIZE_512KiB, 1209 .CmdSet = P_ID_AMD_STD, 1210 .NumEraseRegions= 4, 1211 .regions = { 1212 ERASEINFO(0x10000,7), 1213 ERASEINFO(0x08000,1), 1214 ERASEINFO(0x02000,2), 1215 ERASEINFO(0x04000,1), 1216 } 1217 }, { 1218 .mfr_id = MANUFACTURER_MACRONIX, 1219 .dev_id = MX29F004B, 1220 .name = "Macronix MX29F004B", 1221 .uaddr = { 1222 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 1223 }, 1224 .DevSize = SIZE_512KiB, 1225 .CmdSet = P_ID_AMD_STD, 1226 .NumEraseRegions= 4, 1227 .regions = { 1228 ERASEINFO(0x04000,1), 1229 ERASEINFO(0x02000,2), 1230 ERASEINFO(0x08000,1), 1231 ERASEINFO(0x10000,7), 1232 } 1233 }, { 1234 .mfr_id = MANUFACTURER_MACRONIX, 1235 .dev_id = MX29F002T, 1236 .name = "Macronix MX29F002T", 1237 .uaddr = { 1238 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 1239 }, 1240 .DevSize = SIZE_256KiB, 1241 .CmdSet = P_ID_AMD_STD, 1242 .NumEraseRegions= 4, 1243 .regions = { 1244 ERASEINFO(0x10000,3), 1245 ERASEINFO(0x08000,1), 1246 ERASEINFO(0x02000,2), 1247 ERASEINFO(0x04000,1), 1248 } 1249 }, { 1250 .mfr_id = MANUFACTURER_PMC, 1251 .dev_id = PM49FL002, 1252 .name = "PMC Pm49FL002", 1253 .uaddr = { 1254 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1255 }, 1256 .DevSize = SIZE_256KiB, 1257 .CmdSet = P_ID_AMD_STD, 1258 .NumEraseRegions= 1, 1259 .regions = { 1260 ERASEINFO( 0x01000, 64 ) 1261 } 1262 }, { 1263 .mfr_id = MANUFACTURER_PMC, 1264 .dev_id = PM49FL004, 1265 .name = "PMC Pm49FL004", 1266 .uaddr = { 1267 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1268 }, 1269 .DevSize = SIZE_512KiB, 1270 .CmdSet = P_ID_AMD_STD, 1271 .NumEraseRegions= 1, 1272 .regions = { 1273 ERASEINFO( 0x01000, 128 ) 1274 } 1275 }, { 1276 .mfr_id = MANUFACTURER_PMC, 1277 .dev_id = PM49FL008, 1278 .name = "PMC Pm49FL008", 1279 .uaddr = { 1280 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1281 }, 1282 .DevSize = SIZE_1MiB, 1283 .CmdSet = P_ID_AMD_STD, 1284 .NumEraseRegions= 1, 1285 .regions = { 1286 ERASEINFO( 0x01000, 256 ) 1287 } 1288 }, { 1289 .mfr_id = MANUFACTURER_SHARP, 1290 .dev_id = LH28F640BF, 1291 .name = "LH28F640BF", 1292 .uaddr = { 1293 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 1294 }, 1295 .DevSize = SIZE_4MiB, 1296 .CmdSet = P_ID_INTEL_STD, 1297 .NumEraseRegions= 1, 1298 .regions = { 1299 ERASEINFO(0x40000,16), 1300 } 1301 }, { 1302 .mfr_id = MANUFACTURER_SST, 1303 .dev_id = SST39LF512, 1304 .name = "SST 39LF512", 1305 .uaddr = { 1306 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1307 }, 1308 .DevSize = SIZE_64KiB, 1309 .CmdSet = P_ID_AMD_STD, 1310 .NumEraseRegions= 1, 1311 .regions = { 1312 ERASEINFO(0x01000,16), 1313 } 1314 }, { 1315 .mfr_id = MANUFACTURER_SST, 1316 .dev_id = SST39LF010, 1317 .name = "SST 39LF010", 1318 .uaddr = { 1319 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1320 }, 1321 .DevSize = SIZE_128KiB, 1322 .CmdSet = P_ID_AMD_STD, 1323 .NumEraseRegions= 1, 1324 .regions = { 1325 ERASEINFO(0x01000,32), 1326 } 1327 }, { 1328 .mfr_id = MANUFACTURER_SST, 1329 .dev_id = SST29EE020, 1330 .name = "SST 29EE020", 1331 .uaddr = { 1332 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1333 }, 1334 .DevSize = SIZE_256KiB, 1335 .CmdSet = P_ID_SST_PAGE, 1336 .NumEraseRegions= 1, 1337 .regions = {ERASEINFO(0x01000,64), 1338 } 1339 }, { 1340 .mfr_id = MANUFACTURER_SST, 1341 .dev_id = SST29LE020, 1342 .name = "SST 29LE020", 1343 .uaddr = { 1344 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1345 }, 1346 .DevSize = SIZE_256KiB, 1347 .CmdSet = P_ID_SST_PAGE, 1348 .NumEraseRegions= 1, 1349 .regions = {ERASEINFO(0x01000,64), 1350 } 1351 }, { 1352 .mfr_id = MANUFACTURER_SST, 1353 .dev_id = SST39LF020, 1354 .name = "SST 39LF020", 1355 .uaddr = { 1356 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1357 }, 1358 .DevSize = SIZE_256KiB, 1359 .CmdSet = P_ID_AMD_STD, 1360 .NumEraseRegions= 1, 1361 .regions = { 1362 ERASEINFO(0x01000,64), 1363 } 1364 }, { 1365 .mfr_id = MANUFACTURER_SST, 1366 .dev_id = SST39LF040, 1367 .name = "SST 39LF040", 1368 .uaddr = { 1369 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1370 }, 1371 .DevSize = SIZE_512KiB, 1372 .CmdSet = P_ID_AMD_STD, 1373 .NumEraseRegions= 1, 1374 .regions = { 1375 ERASEINFO(0x01000,128), 1376 } 1377 }, { 1378 .mfr_id = MANUFACTURER_SST, 1379 .dev_id = SST39SF010A, 1380 .name = "SST 39SF010A", 1381 .uaddr = { 1382 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1383 }, 1384 .DevSize = SIZE_128KiB, 1385 .CmdSet = P_ID_AMD_STD, 1386 .NumEraseRegions= 1, 1387 .regions = { 1388 ERASEINFO(0x01000,32), 1389 } 1390 }, { 1391 .mfr_id = MANUFACTURER_SST, 1392 .dev_id = SST39SF020A, 1393 .name = "SST 39SF020A", 1394 .uaddr = { 1395 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1396 }, 1397 .DevSize = SIZE_256KiB, 1398 .CmdSet = P_ID_AMD_STD, 1399 .NumEraseRegions= 1, 1400 .regions = { 1401 ERASEINFO(0x01000,64), 1402 } 1403 }, { 1404 .mfr_id = MANUFACTURER_SST, 1405 .dev_id = SST49LF040B, 1406 .name = "SST 49LF040B", 1407 .uaddr = { 1408 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1409 }, 1410 .DevSize = SIZE_512KiB, 1411 .CmdSet = P_ID_AMD_STD, 1412 .NumEraseRegions= 1, 1413 .regions = { 1414 ERASEINFO(0x01000,128), 1415 } 1416 }, { 1417 1418 .mfr_id = MANUFACTURER_SST, 1419 .dev_id = SST49LF004B, 1420 .name = "SST 49LF004B", 1421 .uaddr = { 1422 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1423 }, 1424 .DevSize = SIZE_512KiB, 1425 .CmdSet = P_ID_AMD_STD, 1426 .NumEraseRegions= 1, 1427 .regions = { 1428 ERASEINFO(0x01000,128), 1429 } 1430 }, { 1431 .mfr_id = MANUFACTURER_SST, 1432 .dev_id = SST49LF008A, 1433 .name = "SST 49LF008A", 1434 .uaddr = { 1435 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1436 }, 1437 .DevSize = SIZE_1MiB, 1438 .CmdSet = P_ID_AMD_STD, 1439 .NumEraseRegions= 1, 1440 .regions = { 1441 ERASEINFO(0x01000,256), 1442 } 1443 }, { 1444 .mfr_id = MANUFACTURER_SST, 1445 .dev_id = SST49LF030A, 1446 .name = "SST 49LF030A", 1447 .uaddr = { 1448 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1449 }, 1450 .DevSize = SIZE_512KiB, 1451 .CmdSet = P_ID_AMD_STD, 1452 .NumEraseRegions= 1, 1453 .regions = { 1454 ERASEINFO(0x01000,96), 1455 } 1456 }, { 1457 .mfr_id = MANUFACTURER_SST, 1458 .dev_id = SST49LF040A, 1459 .name = "SST 49LF040A", 1460 .uaddr = { 1461 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1462 }, 1463 .DevSize = SIZE_512KiB, 1464 .CmdSet = P_ID_AMD_STD, 1465 .NumEraseRegions= 1, 1466 .regions = { 1467 ERASEINFO(0x01000,128), 1468 } 1469 }, { 1470 .mfr_id = MANUFACTURER_SST, 1471 .dev_id = SST49LF080A, 1472 .name = "SST 49LF080A", 1473 .uaddr = { 1474 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1475 }, 1476 .DevSize = SIZE_1MiB, 1477 .CmdSet = P_ID_AMD_STD, 1478 .NumEraseRegions= 1, 1479 .regions = { 1480 ERASEINFO(0x01000,256), 1481 } 1482 }, { 1483 .mfr_id = MANUFACTURER_SST, /* should be CFI */ 1484 .dev_id = SST39LF160, 1485 .name = "SST 39LF160", 1486 .uaddr = { 1487 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */ 1488 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */ 1489 }, 1490 .DevSize = SIZE_2MiB, 1491 .CmdSet = P_ID_AMD_STD, 1492 .NumEraseRegions= 2, 1493 .regions = { 1494 ERASEINFO(0x1000,256), 1495 ERASEINFO(0x1000,256) 1496 } 1497 }, { 1498 .mfr_id = MANUFACTURER_SST, /* should be CFI */ 1499 .dev_id = SST39VF1601, 1500 .name = "SST 39VF1601", 1501 .uaddr = { 1502 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */ 1503 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */ 1504 }, 1505 .DevSize = SIZE_2MiB, 1506 .CmdSet = P_ID_AMD_STD, 1507 .NumEraseRegions= 2, 1508 .regions = { 1509 ERASEINFO(0x1000,256), 1510 ERASEINFO(0x1000,256) 1511 } 1512 1513 }, { 1514 .mfr_id = MANUFACTURER_ST, 1515 .dev_id = M29W800DT, 1516 .name = "ST M29W800DT", 1517 .uaddr = { 1518 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */ 1519 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */ 1520 }, 1521 .DevSize = SIZE_1MiB, 1522 .CmdSet = P_ID_AMD_STD, 1523 .NumEraseRegions= 4, 1524 .regions = { 1525 ERASEINFO(0x10000,15), 1526 ERASEINFO(0x08000,1), 1527 ERASEINFO(0x02000,2), 1528 ERASEINFO(0x04000,1) 1529 } 1530 }, { 1531 .mfr_id = MANUFACTURER_ST, 1532 .dev_id = M29W800DB, 1533 .name = "ST M29W800DB", 1534 .uaddr = { 1535 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */ 1536 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */ 1537 }, 1538 .DevSize = SIZE_1MiB, 1539 .CmdSet = P_ID_AMD_STD, 1540 .NumEraseRegions= 4, 1541 .regions = { 1542 ERASEINFO(0x04000,1), 1543 ERASEINFO(0x02000,2), 1544 ERASEINFO(0x08000,1), 1545 ERASEINFO(0x10000,15) 1546 } 1547 }, { 1548 .mfr_id = MANUFACTURER_ST, 1549 .dev_id = M29W160DT, 1550 .name = "ST M29W160DT", 1551 .uaddr = { 1552 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */ 1553 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 1554 }, 1555 .DevSize = SIZE_2MiB, 1556 .CmdSet = P_ID_AMD_STD, 1557 .NumEraseRegions= 4, 1558 .regions = { 1559 ERASEINFO(0x10000,31), 1560 ERASEINFO(0x08000,1), 1561 ERASEINFO(0x02000,2), 1562 ERASEINFO(0x04000,1) 1563 } 1564 }, { 1565 .mfr_id = MANUFACTURER_ST, 1566 .dev_id = M29W160DB, 1567 .name = "ST M29W160DB", 1568 .uaddr = { 1569 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */ 1570 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 1571 }, 1572 .DevSize = SIZE_2MiB, 1573 .CmdSet = P_ID_AMD_STD, 1574 .NumEraseRegions= 4, 1575 .regions = { 1576 ERASEINFO(0x04000,1), 1577 ERASEINFO(0x02000,2), 1578 ERASEINFO(0x08000,1), 1579 ERASEINFO(0x10000,31) 1580 } 1581 }, { 1582 .mfr_id = MANUFACTURER_ST, 1583 .dev_id = M29W040B, 1584 .name = "ST M29W040B", 1585 .uaddr = { 1586 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */ 1587 }, 1588 .DevSize = SIZE_512KiB, 1589 .CmdSet = P_ID_AMD_STD, 1590 .NumEraseRegions= 1, 1591 .regions = { 1592 ERASEINFO(0x10000,8), 1593 } 1594 }, { 1595 .mfr_id = MANUFACTURER_ST, 1596 .dev_id = M50FW040, 1597 .name = "ST M50FW040", 1598 .uaddr = { 1599 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 1600 }, 1601 .DevSize = SIZE_512KiB, 1602 .CmdSet = P_ID_INTEL_EXT, 1603 .NumEraseRegions= 1, 1604 .regions = { 1605 ERASEINFO(0x10000,8), 1606 } 1607 }, { 1608 .mfr_id = MANUFACTURER_ST, 1609 .dev_id = M50FW080, 1610 .name = "ST M50FW080", 1611 .uaddr = { 1612 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 1613 }, 1614 .DevSize = SIZE_1MiB, 1615 .CmdSet = P_ID_INTEL_EXT, 1616 .NumEraseRegions= 1, 1617 .regions = { 1618 ERASEINFO(0x10000,16), 1619 } 1620 }, { 1621 .mfr_id = MANUFACTURER_ST, 1622 .dev_id = M50FW016, 1623 .name = "ST M50FW016", 1624 .uaddr = { 1625 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 1626 }, 1627 .DevSize = SIZE_2MiB, 1628 .CmdSet = P_ID_INTEL_EXT, 1629 .NumEraseRegions= 1, 1630 .regions = { 1631 ERASEINFO(0x10000,32), 1632 } 1633 }, { 1634 .mfr_id = MANUFACTURER_ST, 1635 .dev_id = M50LPW080, 1636 .name = "ST M50LPW080", 1637 .uaddr = { 1638 [0] = MTD_UADDR_UNNECESSARY, /* x8 */ 1639 }, 1640 .DevSize = SIZE_1MiB, 1641 .CmdSet = P_ID_INTEL_EXT, 1642 .NumEraseRegions= 1, 1643 .regions = { 1644 ERASEINFO(0x10000,16), 1645 } 1646 }, { 1647 .mfr_id = MANUFACTURER_TOSHIBA, 1648 .dev_id = TC58FVT160, 1649 .name = "Toshiba TC58FVT160", 1650 .uaddr = { 1651 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 1652 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ 1653 }, 1654 .DevSize = SIZE_2MiB, 1655 .CmdSet = P_ID_AMD_STD, 1656 .NumEraseRegions= 4, 1657 .regions = { 1658 ERASEINFO(0x10000,31), 1659 ERASEINFO(0x08000,1), 1660 ERASEINFO(0x02000,2), 1661 ERASEINFO(0x04000,1) 1662 } 1663 }, { 1664 .mfr_id = MANUFACTURER_TOSHIBA, 1665 .dev_id = TC58FVB160, 1666 .name = "Toshiba TC58FVB160", 1667 .uaddr = { 1668 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 1669 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ 1670 }, 1671 .DevSize = SIZE_2MiB, 1672 .CmdSet = P_ID_AMD_STD, 1673 .NumEraseRegions= 4, 1674 .regions = { 1675 ERASEINFO(0x04000,1), 1676 ERASEINFO(0x02000,2), 1677 ERASEINFO(0x08000,1), 1678 ERASEINFO(0x10000,31) 1679 } 1680 }, { 1681 .mfr_id = MANUFACTURER_TOSHIBA, 1682 .dev_id = TC58FVB321, 1683 .name = "Toshiba TC58FVB321", 1684 .uaddr = { 1685 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 1686 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ 1687 }, 1688 .DevSize = SIZE_4MiB, 1689 .CmdSet = P_ID_AMD_STD, 1690 .NumEraseRegions= 2, 1691 .regions = { 1692 ERASEINFO(0x02000,8), 1693 ERASEINFO(0x10000,63) 1694 } 1695 }, { 1696 .mfr_id = MANUFACTURER_TOSHIBA, 1697 .dev_id = TC58FVT321, 1698 .name = "Toshiba TC58FVT321", 1699 .uaddr = { 1700 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 1701 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ 1702 }, 1703 .DevSize = SIZE_4MiB, 1704 .CmdSet = P_ID_AMD_STD, 1705 .NumEraseRegions= 2, 1706 .regions = { 1707 ERASEINFO(0x10000,63), 1708 ERASEINFO(0x02000,8) 1709 } 1710 }, { 1711 .mfr_id = MANUFACTURER_TOSHIBA, 1712 .dev_id = TC58FVB641, 1713 .name = "Toshiba TC58FVB641", 1714 .uaddr = { 1715 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 1716 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 1717 }, 1718 .DevSize = SIZE_8MiB, 1719 .CmdSet = P_ID_AMD_STD, 1720 .NumEraseRegions= 2, 1721 .regions = { 1722 ERASEINFO(0x02000,8), 1723 ERASEINFO(0x10000,127) 1724 } 1725 }, { 1726 .mfr_id = MANUFACTURER_TOSHIBA, 1727 .dev_id = TC58FVT641, 1728 .name = "Toshiba TC58FVT641", 1729 .uaddr = { 1730 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */ 1731 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */ 1732 }, 1733 .DevSize = SIZE_8MiB, 1734 .CmdSet = P_ID_AMD_STD, 1735 .NumEraseRegions= 2, 1736 .regions = { 1737 ERASEINFO(0x10000,127), 1738 ERASEINFO(0x02000,8) 1739 } 1740 }, { 1741 .mfr_id = MANUFACTURER_WINBOND, 1742 .dev_id = W49V002A, 1743 .name = "Winbond W49V002A", 1744 .uaddr = { 1745 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */ 1746 }, 1747 .DevSize = SIZE_256KiB, 1748 .CmdSet = P_ID_AMD_STD, 1749 .NumEraseRegions= 4, 1750 .regions = { 1751 ERASEINFO(0x10000, 3), 1752 ERASEINFO(0x08000, 1), 1753 ERASEINFO(0x02000, 2), 1754 ERASEINFO(0x04000, 1), 1755 } 1756 } 1757}; 1758 1759 1760static int cfi_jedec_setup(struct cfi_private *p_cfi, int index); 1761 1762static int jedec_probe_chip(struct map_info *map, __u32 base, 1763 unsigned long *chip_map, struct cfi_private *cfi); 1764 1765static struct mtd_info *jedec_probe(struct map_info *map); 1766 1767static inline u32 jedec_read_mfr(struct map_info *map, __u32 base, 1768 struct cfi_private *cfi) 1769{ 1770 map_word result; 1771 unsigned long mask; 1772 u32 ofs = cfi_build_cmd_addr(0, cfi_interleave(cfi), cfi->device_type); 1773 mask = (1 << (cfi->device_type * 8)) -1; 1774 result = map_read(map, base + ofs); 1775 return result.x[0] & mask; 1776} 1777 1778static inline u32 jedec_read_id(struct map_info *map, __u32 base, 1779 struct cfi_private *cfi) 1780{ 1781 map_word result; 1782 unsigned long mask; 1783 u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type); 1784 mask = (1 << (cfi->device_type * 8)) -1; 1785 result = map_read(map, base + ofs); 1786 return result.x[0] & mask; 1787} 1788 1789static inline void jedec_reset(u32 base, struct map_info *map, 1790 struct cfi_private *cfi) 1791{ 1792 /* Reset */ 1793 1794 /* after checking the datasheets for SST, MACRONIX and ATMEL 1795 * (oh and incidentaly the jedec spec - 3.5.3.3) the reset 1796 * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at 1797 * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips 1798 * as they will ignore the writes and dont care what address 1799 * the F0 is written to */ 1800 if(cfi->addr_unlock1) { 1801 DEBUG( MTD_DEBUG_LEVEL3, 1802 "reset unlock called %x %x \n", 1803 cfi->addr_unlock1,cfi->addr_unlock2); 1804 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); 1805 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL); 1806 } 1807 1808 cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); 1809 /* Some misdesigned intel chips do not respond for 0xF0 for a reset, 1810 * so ensure we're in read mode. Send both the Intel and the AMD command 1811 * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so 1812 * this should be safe. 1813 */ 1814 cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); 1815} 1816 1817 1818static inline __u8 finfo_uaddr(const struct amd_flash_info *finfo, int device_type) 1819{ 1820 int uaddr_idx; 1821 __u8 uaddr = MTD_UADDR_NOT_SUPPORTED; 1822 1823 switch ( device_type ) { 1824 case CFI_DEVICETYPE_X8: uaddr_idx = 0; break; 1825 case CFI_DEVICETYPE_X16: uaddr_idx = 1; break; 1826 case CFI_DEVICETYPE_X32: uaddr_idx = 2; break; 1827 default: 1828 printk(KERN_NOTICE "MTD: %s(): unknown device_type %d\n", 1829 __func__, device_type); 1830 goto uaddr_done; 1831 } 1832 1833 uaddr = finfo->uaddr[uaddr_idx]; 1834 1835 if (uaddr != MTD_UADDR_NOT_SUPPORTED ) { 1836 /* ASSERT("The unlock addresses for non-8-bit mode 1837 are bollocks. We don't really need an array."); */ 1838 uaddr = finfo->uaddr[0]; 1839 } 1840 1841 uaddr_done: 1842 return uaddr; 1843} 1844 1845 1846static int cfi_jedec_setup(struct cfi_private *p_cfi, int index) 1847{ 1848 int i,num_erase_regions; 1849 __u8 uaddr; 1850 1851 printk("Found: %s\n",jedec_table[index].name); 1852 1853 num_erase_regions = jedec_table[index].NumEraseRegions; 1854 1855 p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL); 1856 if (!p_cfi->cfiq) { 1857 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name); 1858 return 0; 1859 } 1860 1861 memset(p_cfi->cfiq,0,sizeof(struct cfi_ident)); 1862 1863 p_cfi->cfiq->P_ID = jedec_table[index].CmdSet; 1864 p_cfi->cfiq->NumEraseRegions = jedec_table[index].NumEraseRegions; 1865 p_cfi->cfiq->DevSize = jedec_table[index].DevSize; 1866 p_cfi->cfi_mode = CFI_MODE_JEDEC; 1867 1868 for (i=0; i<num_erase_regions; i++){ 1869 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i]; 1870 } 1871 p_cfi->cmdset_priv = NULL; 1872 1873 /* This may be redundant for some cases, but it doesn't hurt */ 1874 p_cfi->mfr = jedec_table[index].mfr_id; 1875 p_cfi->id = jedec_table[index].dev_id; 1876 1877 uaddr = finfo_uaddr(&jedec_table[index], p_cfi->device_type); 1878 if ( uaddr == MTD_UADDR_NOT_SUPPORTED ) { 1879 kfree( p_cfi->cfiq ); 1880 return 0; 1881 } 1882 1883 p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1; 1884 p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2; 1885 1886 return 1; /* ok */ 1887} 1888 1889 1890/* 1891 * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing 1892 * the mapped address, unlock addresses, and proper chip ID. This function 1893 * attempts to minimize errors. It is doubtfull that this probe will ever 1894 * be perfect - consequently there should be some module parameters that 1895 * could be manually specified to force the chip info. 1896 */ 1897static inline int jedec_match( __u32 base, 1898 struct map_info *map, 1899 struct cfi_private *cfi, 1900 const struct amd_flash_info *finfo ) 1901{ 1902 int rc = 0; /* failure until all tests pass */ 1903 u32 mfr, id; 1904 __u8 uaddr; 1905 1906 /* 1907 * The IDs must match. For X16 and X32 devices operating in 1908 * a lower width ( X8 or X16 ), the device ID's are usually just 1909 * the lower byte(s) of the larger device ID for wider mode. If 1910 * a part is found that doesn't fit this assumption (device id for 1911 * smaller width mode is completely unrealated to full-width mode) 1912 * then the jedec_table[] will have to be augmented with the IDs 1913 * for different widths. 1914 */ 1915 switch (cfi->device_type) { 1916 case CFI_DEVICETYPE_X8: 1917 mfr = (__u8)finfo->mfr_id; 1918 id = (__u8)finfo->dev_id; 1919 1920 /* bjd: it seems that if we do this, we can end up 1921 * detecting 16bit flashes as an 8bit device, even though 1922 * there aren't. 1923 */ 1924 if (finfo->dev_id > 0xff) { 1925 DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n", 1926 __func__); 1927 goto match_done; 1928 } 1929 break; 1930 case CFI_DEVICETYPE_X16: 1931 mfr = (__u16)finfo->mfr_id; 1932 id = (__u16)finfo->dev_id; 1933 break; 1934 case CFI_DEVICETYPE_X32: 1935 mfr = (__u16)finfo->mfr_id; 1936 id = (__u32)finfo->dev_id; 1937 break; 1938 default: 1939 printk(KERN_WARNING 1940 "MTD %s(): Unsupported device type %d\n", 1941 __func__, cfi->device_type); 1942 goto match_done; 1943 } 1944 if ( cfi->mfr != mfr || cfi->id != id ) { 1945 goto match_done; 1946 } 1947 1948 /* the part size must fit in the memory window */ 1949 DEBUG( MTD_DEBUG_LEVEL3, 1950 "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n", 1951 __func__, base, 1 << finfo->DevSize, base + (1 << finfo->DevSize) ); 1952 if ( base + cfi_interleave(cfi) * ( 1 << finfo->DevSize ) > map->size ) { 1953 DEBUG( MTD_DEBUG_LEVEL3, 1954 "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n", 1955 __func__, finfo->mfr_id, finfo->dev_id, 1956 1 << finfo->DevSize ); 1957 goto match_done; 1958 } 1959 1960 uaddr = finfo_uaddr(finfo, cfi->device_type); 1961 if ( uaddr == MTD_UADDR_NOT_SUPPORTED ) { 1962 goto match_done; 1963 } 1964 1965 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n", 1966 __func__, cfi->addr_unlock1, cfi->addr_unlock2 ); 1967 if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr 1968 && ( unlock_addrs[uaddr].addr1 != cfi->addr_unlock1 || 1969 unlock_addrs[uaddr].addr2 != cfi->addr_unlock2 ) ) { 1970 DEBUG( MTD_DEBUG_LEVEL3, 1971 "MTD %s(): 0x%.4x 0x%.4x did not match\n", 1972 __func__, 1973 unlock_addrs[uaddr].addr1, 1974 unlock_addrs[uaddr].addr2); 1975 goto match_done; 1976 } 1977 1978 DEBUG( MTD_DEBUG_LEVEL3, 1979 "MTD %s(): check ID's disappear when not in ID mode\n", 1980 __func__ ); 1981 jedec_reset( base, map, cfi ); 1982 mfr = jedec_read_mfr( map, base, cfi ); 1983 id = jedec_read_id( map, base, cfi ); 1984 if ( mfr == cfi->mfr && id == cfi->id ) { 1985 DEBUG( MTD_DEBUG_LEVEL3, 1986 "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n" 1987 "You might need to manually specify JEDEC parameters.\n", 1988 __func__, cfi->mfr, cfi->id ); 1989 goto match_done; 1990 } 1991 1992 /* all tests passed - mark as success */ 1993 rc = 1; 1994 1995 /* 1996 * Put the device back in ID mode - only need to do this if we 1997 * were truly frobbing a real device. 1998 */ 1999 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ ); 2000 if(cfi->addr_unlock1) { 2001 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); 2002 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL); 2003 } 2004 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); 2005 2006 match_done: 2007 return rc; 2008} 2009 2010 2011static int jedec_probe_chip(struct map_info *map, __u32 base, 2012 unsigned long *chip_map, struct cfi_private *cfi) 2013{ 2014 int i; 2015 enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED; 2016 u32 probe_offset1, probe_offset2; 2017 2018 retry: 2019 if (!cfi->numchips) { 2020 uaddr_idx++; 2021 2022 if (MTD_UADDR_UNNECESSARY == uaddr_idx) 2023 return 0; 2024 2025 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1; 2026 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2; 2027 } 2028 2029 /* Make certain we aren't probing past the end of map */ 2030 if (base >= map->size) { 2031 printk(KERN_NOTICE 2032 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n", 2033 base, map->size -1); 2034 return 0; 2035 2036 } 2037 /* Ensure the unlock addresses we try stay inside the map */ 2038 probe_offset1 = cfi_build_cmd_addr( 2039 cfi->addr_unlock1, 2040 cfi_interleave(cfi), 2041 cfi->device_type); 2042 probe_offset2 = cfi_build_cmd_addr( 2043 cfi->addr_unlock1, 2044 cfi_interleave(cfi), 2045 cfi->device_type); 2046 if ( ((base + probe_offset1 + map_bankwidth(map)) >= map->size) || 2047 ((base + probe_offset2 + map_bankwidth(map)) >= map->size)) 2048 { 2049 goto retry; 2050 } 2051 2052 /* Reset */ 2053 jedec_reset(base, map, cfi); 2054 2055 /* Autoselect Mode */ 2056 if(cfi->addr_unlock1) { 2057 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); 2058 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL); 2059 } 2060 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); 2061 2062 if (!cfi->numchips) { 2063 /* This is the first time we're called. Set up the CFI 2064 stuff accordingly and return */ 2065 2066 cfi->mfr = jedec_read_mfr(map, base, cfi); 2067 cfi->id = jedec_read_id(map, base, cfi); 2068 DEBUG(MTD_DEBUG_LEVEL3, 2069 "Search for id:(%02x %02x) interleave(%d) type(%d)\n", 2070 cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type); 2071 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) { 2072 if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) { 2073 DEBUG( MTD_DEBUG_LEVEL3, 2074 "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n", 2075 __func__, cfi->mfr, cfi->id, 2076 cfi->addr_unlock1, cfi->addr_unlock2 ); 2077 if (!cfi_jedec_setup(cfi, i)) 2078 return 0; 2079 goto ok_out; 2080 } 2081 } 2082 goto retry; 2083 } else { 2084 __u16 mfr; 2085 __u16 id; 2086 2087 /* Make sure it is a chip of the same manufacturer and id */ 2088 mfr = jedec_read_mfr(map, base, cfi); 2089 id = jedec_read_id(map, base, cfi); 2090 2091 if ((mfr != cfi->mfr) || (id != cfi->id)) { 2092 printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n", 2093 map->name, mfr, id, base); 2094 jedec_reset(base, map, cfi); 2095 return 0; 2096 } 2097 } 2098 2099 /* Check each previous chip locations to see if it's an alias */ 2100 for (i=0; i < (base >> cfi->chipshift); i++) { 2101 unsigned long start; 2102 if(!test_bit(i, chip_map)) { 2103 continue; /* Skip location; no valid chip at this address */ 2104 } 2105 start = i << cfi->chipshift; 2106 if (jedec_read_mfr(map, start, cfi) == cfi->mfr && 2107 jedec_read_id(map, start, cfi) == cfi->id) { 2108 /* Eep. This chip also looks like it's in autoselect mode. 2109 Is it an alias for the new one? */ 2110 jedec_reset(start, map, cfi); 2111 2112 /* If the device IDs go away, it's an alias */ 2113 if (jedec_read_mfr(map, base, cfi) != cfi->mfr || 2114 jedec_read_id(map, base, cfi) != cfi->id) { 2115 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n", 2116 map->name, base, start); 2117 return 0; 2118 } 2119 2120 /* Yes, it's actually got the device IDs as data. Most 2121 * unfortunate. Stick the new chip in read mode 2122 * too and if it's the same, assume it's an alias. */ 2123 jedec_reset(base, map, cfi); 2124 if (jedec_read_mfr(map, base, cfi) == cfi->mfr && 2125 jedec_read_id(map, base, cfi) == cfi->id) { 2126 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n", 2127 map->name, base, start); 2128 return 0; 2129 } 2130 } 2131 } 2132 2133 /* OK, if we got to here, then none of the previous chips appear to 2134 be aliases for the current one. */ 2135 set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */ 2136 cfi->numchips++; 2137 2138ok_out: 2139 /* Put it back into Read Mode */ 2140 jedec_reset(base, map, cfi); 2141 2142 printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n", 2143 map->name, cfi_interleave(cfi), cfi->device_type*8, base, 2144 map->bankwidth*8); 2145 2146 return 1; 2147} 2148 2149static struct chip_probe jedec_chip_probe = { 2150 .name = "JEDEC", 2151 .probe_chip = jedec_probe_chip 2152}; 2153 2154static struct mtd_info *jedec_probe(struct map_info *map) 2155{ 2156 /* 2157 * Just use the generic probe stuff to call our CFI-specific 2158 * chip_probe routine in all the possible permutations, etc. 2159 */ 2160 return mtd_do_chip_probe(map, &jedec_chip_probe); 2161} 2162 2163static struct mtd_chip_driver jedec_chipdrv = { 2164 .probe = jedec_probe, 2165 .name = "jedec_probe", 2166 .module = THIS_MODULE 2167}; 2168 2169static int __init jedec_probe_init(void) 2170{ 2171 register_mtd_chip_driver(&jedec_chipdrv); 2172 return 0; 2173} 2174 2175static void __exit jedec_probe_exit(void) 2176{ 2177 unregister_mtd_chip_driver(&jedec_chipdrv); 2178} 2179 2180module_init(jedec_probe_init); 2181module_exit(jedec_probe_exit); 2182 2183MODULE_LICENSE("GPL"); 2184MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al."); 2185MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips"); 2186