ia64/linux-2.6.18-xen.hg

view drivers/mtd/chips/jedec_probe.c @ 0:831230e53067

Import 2.6.18 from kernel.org tarball.
author Ian Campbell <ian.campbell@xensource.com>
date Wed Apr 11 14:15:44 2007 +0100 (2007-04-11)
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1 /*
2 Common Flash Interface probe code.
3 (C) 2000 Red Hat. GPL'd.
4 $Id: jedec_probe.c,v 1.66 2005/11/07 11:14:23 gleixner Exp $
5 See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
6 for the standard this probe goes back to.
8 Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
9 */
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>
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>
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
43 /* AMD */
44 #define AM29DL800BB 0x22C8
45 #define AM29DL800BT 0x224A
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
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
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
83 /* Hyundai */
84 #define HY29F002T 0x00B0
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
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
120 /* NEC */
121 #define UPD29F064115 0x221C
123 /* PMC */
124 #define PM49FL002 0x006D
125 #define PM49FL004 0x006E
126 #define PM49FL008 0x006A
128 /* Sharp */
129 #define LH28F640BF 0x00b0
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
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 SST49LF008A 0x005a
158 #define SST49LF030A 0x001C
159 #define SST49LF040A 0x0051
160 #define SST49LF080A 0x005B
162 /* Toshiba */
163 #define TC58FVT160 0x00C2
164 #define TC58FVB160 0x0043
165 #define TC58FVT321 0x009A
166 #define TC58FVB321 0x009C
167 #define TC58FVT641 0x0093
168 #define TC58FVB641 0x0095
170 /* Winbond */
171 #define W49V002A 0x00b0
174 /*
175 * Unlock address sets for AMD command sets.
176 * Intel command sets use the MTD_UADDR_UNNECESSARY.
177 * Each identifier, except MTD_UADDR_UNNECESSARY, and
178 * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
179 * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
180 * initialization need not require initializing all of the
181 * unlock addresses for all bit widths.
182 */
183 enum uaddr {
184 MTD_UADDR_NOT_SUPPORTED = 0, /* data width not supported */
185 MTD_UADDR_0x0555_0x02AA,
186 MTD_UADDR_0x0555_0x0AAA,
187 MTD_UADDR_0x5555_0x2AAA,
188 MTD_UADDR_0x0AAA_0x0555,
189 MTD_UADDR_DONT_CARE, /* Requires an arbitrary address */
190 MTD_UADDR_UNNECESSARY, /* Does not require any address */
191 };
194 struct unlock_addr {
195 u32 addr1;
196 u32 addr2;
197 };
200 /*
201 * I don't like the fact that the first entry in unlock_addrs[]
202 * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
203 * should not be used. The problem is that structures with
204 * initializers have extra fields initialized to 0. It is _very_
205 * desireable to have the unlock address entries for unsupported
206 * data widths automatically initialized - that means that
207 * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
208 * must go unused.
209 */
210 static const struct unlock_addr unlock_addrs[] = {
211 [MTD_UADDR_NOT_SUPPORTED] = {
212 .addr1 = 0xffff,
213 .addr2 = 0xffff
214 },
216 [MTD_UADDR_0x0555_0x02AA] = {
217 .addr1 = 0x0555,
218 .addr2 = 0x02aa
219 },
221 [MTD_UADDR_0x0555_0x0AAA] = {
222 .addr1 = 0x0555,
223 .addr2 = 0x0aaa
224 },
226 [MTD_UADDR_0x5555_0x2AAA] = {
227 .addr1 = 0x5555,
228 .addr2 = 0x2aaa
229 },
231 [MTD_UADDR_0x0AAA_0x0555] = {
232 .addr1 = 0x0AAA,
233 .addr2 = 0x0555
234 },
236 [MTD_UADDR_DONT_CARE] = {
237 .addr1 = 0x0000, /* Doesn't matter which address */
238 .addr2 = 0x0000 /* is used - must be last entry */
239 },
241 [MTD_UADDR_UNNECESSARY] = {
242 .addr1 = 0x0000,
243 .addr2 = 0x0000
244 }
245 };
248 struct amd_flash_info {
249 const __u16 mfr_id;
250 const __u16 dev_id;
251 const char *name;
252 const int DevSize;
253 const int NumEraseRegions;
254 const int CmdSet;
255 const __u8 uaddr[4]; /* unlock addrs for 8, 16, 32, 64 */
256 const ulong regions[6];
257 };
259 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
261 #define SIZE_64KiB 16
262 #define SIZE_128KiB 17
263 #define SIZE_256KiB 18
264 #define SIZE_512KiB 19
265 #define SIZE_1MiB 20
266 #define SIZE_2MiB 21
267 #define SIZE_4MiB 22
268 #define SIZE_8MiB 23
271 /*
272 * Please keep this list ordered by manufacturer!
273 * Fortunately, the list isn't searched often and so a
274 * slow, linear search isn't so bad.
275 */
276 static const struct amd_flash_info jedec_table[] = {
277 {
278 .mfr_id = MANUFACTURER_AMD,
279 .dev_id = AM29F032B,
280 .name = "AMD AM29F032B",
281 .uaddr = {
282 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
283 },
284 .DevSize = SIZE_4MiB,
285 .CmdSet = P_ID_AMD_STD,
286 .NumEraseRegions= 1,
287 .regions = {
288 ERASEINFO(0x10000,64)
289 }
290 }, {
291 .mfr_id = MANUFACTURER_AMD,
292 .dev_id = AM29LV160DT,
293 .name = "AMD AM29LV160DT",
294 .uaddr = {
295 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
296 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */
297 },
298 .DevSize = SIZE_2MiB,
299 .CmdSet = P_ID_AMD_STD,
300 .NumEraseRegions= 4,
301 .regions = {
302 ERASEINFO(0x10000,31),
303 ERASEINFO(0x08000,1),
304 ERASEINFO(0x02000,2),
305 ERASEINFO(0x04000,1)
306 }
307 }, {
308 .mfr_id = MANUFACTURER_AMD,
309 .dev_id = AM29LV160DB,
310 .name = "AMD AM29LV160DB",
311 .uaddr = {
312 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
313 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */
314 },
315 .DevSize = SIZE_2MiB,
316 .CmdSet = P_ID_AMD_STD,
317 .NumEraseRegions= 4,
318 .regions = {
319 ERASEINFO(0x04000,1),
320 ERASEINFO(0x02000,2),
321 ERASEINFO(0x08000,1),
322 ERASEINFO(0x10000,31)
323 }
324 }, {
325 .mfr_id = MANUFACTURER_AMD,
326 .dev_id = AM29LV400BB,
327 .name = "AMD AM29LV400BB",
328 .uaddr = {
329 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
330 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
331 },
332 .DevSize = SIZE_512KiB,
333 .CmdSet = P_ID_AMD_STD,
334 .NumEraseRegions= 4,
335 .regions = {
336 ERASEINFO(0x04000,1),
337 ERASEINFO(0x02000,2),
338 ERASEINFO(0x08000,1),
339 ERASEINFO(0x10000,7)
340 }
341 }, {
342 .mfr_id = MANUFACTURER_AMD,
343 .dev_id = AM29LV400BT,
344 .name = "AMD AM29LV400BT",
345 .uaddr = {
346 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
347 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
348 },
349 .DevSize = SIZE_512KiB,
350 .CmdSet = P_ID_AMD_STD,
351 .NumEraseRegions= 4,
352 .regions = {
353 ERASEINFO(0x10000,7),
354 ERASEINFO(0x08000,1),
355 ERASEINFO(0x02000,2),
356 ERASEINFO(0x04000,1)
357 }
358 }, {
359 .mfr_id = MANUFACTURER_AMD,
360 .dev_id = AM29LV800BB,
361 .name = "AMD AM29LV800BB",
362 .uaddr = {
363 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
364 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
365 },
366 .DevSize = SIZE_1MiB,
367 .CmdSet = P_ID_AMD_STD,
368 .NumEraseRegions= 4,
369 .regions = {
370 ERASEINFO(0x04000,1),
371 ERASEINFO(0x02000,2),
372 ERASEINFO(0x08000,1),
373 ERASEINFO(0x10000,15),
374 }
375 }, {
376 /* add DL */
377 .mfr_id = MANUFACTURER_AMD,
378 .dev_id = AM29DL800BB,
379 .name = "AMD AM29DL800BB",
380 .uaddr = {
381 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
382 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
383 },
384 .DevSize = SIZE_1MiB,
385 .CmdSet = P_ID_AMD_STD,
386 .NumEraseRegions= 6,
387 .regions = {
388 ERASEINFO(0x04000,1),
389 ERASEINFO(0x08000,1),
390 ERASEINFO(0x02000,4),
391 ERASEINFO(0x08000,1),
392 ERASEINFO(0x04000,1),
393 ERASEINFO(0x10000,14)
394 }
395 }, {
396 .mfr_id = MANUFACTURER_AMD,
397 .dev_id = AM29DL800BT,
398 .name = "AMD AM29DL800BT",
399 .uaddr = {
400 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
401 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
402 },
403 .DevSize = SIZE_1MiB,
404 .CmdSet = P_ID_AMD_STD,
405 .NumEraseRegions= 6,
406 .regions = {
407 ERASEINFO(0x10000,14),
408 ERASEINFO(0x04000,1),
409 ERASEINFO(0x08000,1),
410 ERASEINFO(0x02000,4),
411 ERASEINFO(0x08000,1),
412 ERASEINFO(0x04000,1)
413 }
414 }, {
415 .mfr_id = MANUFACTURER_AMD,
416 .dev_id = AM29F800BB,
417 .name = "AMD AM29F800BB",
418 .uaddr = {
419 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
420 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
421 },
422 .DevSize = SIZE_1MiB,
423 .CmdSet = P_ID_AMD_STD,
424 .NumEraseRegions= 4,
425 .regions = {
426 ERASEINFO(0x04000,1),
427 ERASEINFO(0x02000,2),
428 ERASEINFO(0x08000,1),
429 ERASEINFO(0x10000,15),
430 }
431 }, {
432 .mfr_id = MANUFACTURER_AMD,
433 .dev_id = AM29LV800BT,
434 .name = "AMD AM29LV800BT",
435 .uaddr = {
436 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
437 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
438 },
439 .DevSize = SIZE_1MiB,
440 .CmdSet = P_ID_AMD_STD,
441 .NumEraseRegions= 4,
442 .regions = {
443 ERASEINFO(0x10000,15),
444 ERASEINFO(0x08000,1),
445 ERASEINFO(0x02000,2),
446 ERASEINFO(0x04000,1)
447 }
448 }, {
449 .mfr_id = MANUFACTURER_AMD,
450 .dev_id = AM29F800BT,
451 .name = "AMD AM29F800BT",
452 .uaddr = {
453 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
454 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
455 },
456 .DevSize = SIZE_1MiB,
457 .CmdSet = P_ID_AMD_STD,
458 .NumEraseRegions= 4,
459 .regions = {
460 ERASEINFO(0x10000,15),
461 ERASEINFO(0x08000,1),
462 ERASEINFO(0x02000,2),
463 ERASEINFO(0x04000,1)
464 }
465 }, {
466 .mfr_id = MANUFACTURER_AMD,
467 .dev_id = AM29F017D,
468 .name = "AMD AM29F017D",
469 .uaddr = {
470 [0] = MTD_UADDR_DONT_CARE /* x8 */
471 },
472 .DevSize = SIZE_2MiB,
473 .CmdSet = P_ID_AMD_STD,
474 .NumEraseRegions= 1,
475 .regions = {
476 ERASEINFO(0x10000,32),
477 }
478 }, {
479 .mfr_id = MANUFACTURER_AMD,
480 .dev_id = AM29F016D,
481 .name = "AMD AM29F016D",
482 .uaddr = {
483 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
484 },
485 .DevSize = SIZE_2MiB,
486 .CmdSet = P_ID_AMD_STD,
487 .NumEraseRegions= 1,
488 .regions = {
489 ERASEINFO(0x10000,32),
490 }
491 }, {
492 .mfr_id = MANUFACTURER_AMD,
493 .dev_id = AM29F080,
494 .name = "AMD AM29F080",
495 .uaddr = {
496 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
497 },
498 .DevSize = SIZE_1MiB,
499 .CmdSet = P_ID_AMD_STD,
500 .NumEraseRegions= 1,
501 .regions = {
502 ERASEINFO(0x10000,16),
503 }
504 }, {
505 .mfr_id = MANUFACTURER_AMD,
506 .dev_id = AM29F040,
507 .name = "AMD AM29F040",
508 .uaddr = {
509 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
510 },
511 .DevSize = SIZE_512KiB,
512 .CmdSet = P_ID_AMD_STD,
513 .NumEraseRegions= 1,
514 .regions = {
515 ERASEINFO(0x10000,8),
516 }
517 }, {
518 .mfr_id = MANUFACTURER_AMD,
519 .dev_id = AM29LV040B,
520 .name = "AMD AM29LV040B",
521 .uaddr = {
522 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
523 },
524 .DevSize = SIZE_512KiB,
525 .CmdSet = P_ID_AMD_STD,
526 .NumEraseRegions= 1,
527 .regions = {
528 ERASEINFO(0x10000,8),
529 }
530 }, {
531 .mfr_id = MANUFACTURER_AMD,
532 .dev_id = AM29F002T,
533 .name = "AMD AM29F002T",
534 .uaddr = {
535 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
536 },
537 .DevSize = SIZE_256KiB,
538 .CmdSet = P_ID_AMD_STD,
539 .NumEraseRegions= 4,
540 .regions = {
541 ERASEINFO(0x10000,3),
542 ERASEINFO(0x08000,1),
543 ERASEINFO(0x02000,2),
544 ERASEINFO(0x04000,1),
545 }
546 }, {
547 .mfr_id = MANUFACTURER_ATMEL,
548 .dev_id = AT49BV512,
549 .name = "Atmel AT49BV512",
550 .uaddr = {
551 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
552 },
553 .DevSize = SIZE_64KiB,
554 .CmdSet = P_ID_AMD_STD,
555 .NumEraseRegions= 1,
556 .regions = {
557 ERASEINFO(0x10000,1)
558 }
559 }, {
560 .mfr_id = MANUFACTURER_ATMEL,
561 .dev_id = AT29LV512,
562 .name = "Atmel AT29LV512",
563 .uaddr = {
564 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
565 },
566 .DevSize = SIZE_64KiB,
567 .CmdSet = P_ID_AMD_STD,
568 .NumEraseRegions= 1,
569 .regions = {
570 ERASEINFO(0x80,256),
571 ERASEINFO(0x80,256)
572 }
573 }, {
574 .mfr_id = MANUFACTURER_ATMEL,
575 .dev_id = AT49BV16X,
576 .name = "Atmel AT49BV16X",
577 .uaddr = {
578 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */
579 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */
580 },
581 .DevSize = SIZE_2MiB,
582 .CmdSet = P_ID_AMD_STD,
583 .NumEraseRegions= 2,
584 .regions = {
585 ERASEINFO(0x02000,8),
586 ERASEINFO(0x10000,31)
587 }
588 }, {
589 .mfr_id = MANUFACTURER_ATMEL,
590 .dev_id = AT49BV16XT,
591 .name = "Atmel AT49BV16XT",
592 .uaddr = {
593 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */
594 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */
595 },
596 .DevSize = SIZE_2MiB,
597 .CmdSet = P_ID_AMD_STD,
598 .NumEraseRegions= 2,
599 .regions = {
600 ERASEINFO(0x10000,31),
601 ERASEINFO(0x02000,8)
602 }
603 }, {
604 .mfr_id = MANUFACTURER_ATMEL,
605 .dev_id = AT49BV32X,
606 .name = "Atmel AT49BV32X",
607 .uaddr = {
608 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */
609 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */
610 },
611 .DevSize = SIZE_4MiB,
612 .CmdSet = P_ID_AMD_STD,
613 .NumEraseRegions= 2,
614 .regions = {
615 ERASEINFO(0x02000,8),
616 ERASEINFO(0x10000,63)
617 }
618 }, {
619 .mfr_id = MANUFACTURER_ATMEL,
620 .dev_id = AT49BV32XT,
621 .name = "Atmel AT49BV32XT",
622 .uaddr = {
623 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */
624 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */
625 },
626 .DevSize = SIZE_4MiB,
627 .CmdSet = P_ID_AMD_STD,
628 .NumEraseRegions= 2,
629 .regions = {
630 ERASEINFO(0x10000,63),
631 ERASEINFO(0x02000,8)
632 }
633 }, {
634 .mfr_id = MANUFACTURER_FUJITSU,
635 .dev_id = MBM29F040C,
636 .name = "Fujitsu MBM29F040C",
637 .uaddr = {
638 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
639 },
640 .DevSize = SIZE_512KiB,
641 .CmdSet = P_ID_AMD_STD,
642 .NumEraseRegions= 1,
643 .regions = {
644 ERASEINFO(0x10000,8)
645 }
646 }, {
647 .mfr_id = MANUFACTURER_FUJITSU,
648 .dev_id = MBM29LV650UE,
649 .name = "Fujitsu MBM29LV650UE",
650 .uaddr = {
651 [0] = MTD_UADDR_DONT_CARE /* x16 */
652 },
653 .DevSize = SIZE_8MiB,
654 .CmdSet = P_ID_AMD_STD,
655 .NumEraseRegions= 1,
656 .regions = {
657 ERASEINFO(0x10000,128)
658 }
659 }, {
660 .mfr_id = MANUFACTURER_FUJITSU,
661 .dev_id = MBM29LV320TE,
662 .name = "Fujitsu MBM29LV320TE",
663 .uaddr = {
664 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
665 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
666 },
667 .DevSize = SIZE_4MiB,
668 .CmdSet = P_ID_AMD_STD,
669 .NumEraseRegions= 2,
670 .regions = {
671 ERASEINFO(0x10000,63),
672 ERASEINFO(0x02000,8)
673 }
674 }, {
675 .mfr_id = MANUFACTURER_FUJITSU,
676 .dev_id = MBM29LV320BE,
677 .name = "Fujitsu MBM29LV320BE",
678 .uaddr = {
679 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
680 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
681 },
682 .DevSize = SIZE_4MiB,
683 .CmdSet = P_ID_AMD_STD,
684 .NumEraseRegions= 2,
685 .regions = {
686 ERASEINFO(0x02000,8),
687 ERASEINFO(0x10000,63)
688 }
689 }, {
690 .mfr_id = MANUFACTURER_FUJITSU,
691 .dev_id = MBM29LV160TE,
692 .name = "Fujitsu MBM29LV160TE",
693 .uaddr = {
694 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
695 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
696 },
697 .DevSize = SIZE_2MiB,
698 .CmdSet = P_ID_AMD_STD,
699 .NumEraseRegions= 4,
700 .regions = {
701 ERASEINFO(0x10000,31),
702 ERASEINFO(0x08000,1),
703 ERASEINFO(0x02000,2),
704 ERASEINFO(0x04000,1)
705 }
706 }, {
707 .mfr_id = MANUFACTURER_FUJITSU,
708 .dev_id = MBM29LV160BE,
709 .name = "Fujitsu MBM29LV160BE",
710 .uaddr = {
711 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
712 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
713 },
714 .DevSize = SIZE_2MiB,
715 .CmdSet = P_ID_AMD_STD,
716 .NumEraseRegions= 4,
717 .regions = {
718 ERASEINFO(0x04000,1),
719 ERASEINFO(0x02000,2),
720 ERASEINFO(0x08000,1),
721 ERASEINFO(0x10000,31)
722 }
723 }, {
724 .mfr_id = MANUFACTURER_FUJITSU,
725 .dev_id = MBM29LV800BA,
726 .name = "Fujitsu MBM29LV800BA",
727 .uaddr = {
728 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
729 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
730 },
731 .DevSize = SIZE_1MiB,
732 .CmdSet = P_ID_AMD_STD,
733 .NumEraseRegions= 4,
734 .regions = {
735 ERASEINFO(0x04000,1),
736 ERASEINFO(0x02000,2),
737 ERASEINFO(0x08000,1),
738 ERASEINFO(0x10000,15)
739 }
740 }, {
741 .mfr_id = MANUFACTURER_FUJITSU,
742 .dev_id = MBM29LV800TA,
743 .name = "Fujitsu MBM29LV800TA",
744 .uaddr = {
745 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
746 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
747 },
748 .DevSize = SIZE_1MiB,
749 .CmdSet = P_ID_AMD_STD,
750 .NumEraseRegions= 4,
751 .regions = {
752 ERASEINFO(0x10000,15),
753 ERASEINFO(0x08000,1),
754 ERASEINFO(0x02000,2),
755 ERASEINFO(0x04000,1)
756 }
757 }, {
758 .mfr_id = MANUFACTURER_FUJITSU,
759 .dev_id = MBM29LV400BC,
760 .name = "Fujitsu MBM29LV400BC",
761 .uaddr = {
762 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
763 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
764 },
765 .DevSize = SIZE_512KiB,
766 .CmdSet = P_ID_AMD_STD,
767 .NumEraseRegions= 4,
768 .regions = {
769 ERASEINFO(0x04000,1),
770 ERASEINFO(0x02000,2),
771 ERASEINFO(0x08000,1),
772 ERASEINFO(0x10000,7)
773 }
774 }, {
775 .mfr_id = MANUFACTURER_FUJITSU,
776 .dev_id = MBM29LV400TC,
777 .name = "Fujitsu MBM29LV400TC",
778 .uaddr = {
779 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
780 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
781 },
782 .DevSize = SIZE_512KiB,
783 .CmdSet = P_ID_AMD_STD,
784 .NumEraseRegions= 4,
785 .regions = {
786 ERASEINFO(0x10000,7),
787 ERASEINFO(0x08000,1),
788 ERASEINFO(0x02000,2),
789 ERASEINFO(0x04000,1)
790 }
791 }, {
792 .mfr_id = MANUFACTURER_HYUNDAI,
793 .dev_id = HY29F002T,
794 .name = "Hyundai HY29F002T",
795 .uaddr = {
796 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
797 },
798 .DevSize = SIZE_256KiB,
799 .CmdSet = P_ID_AMD_STD,
800 .NumEraseRegions= 4,
801 .regions = {
802 ERASEINFO(0x10000,3),
803 ERASEINFO(0x08000,1),
804 ERASEINFO(0x02000,2),
805 ERASEINFO(0x04000,1),
806 }
807 }, {
808 .mfr_id = MANUFACTURER_INTEL,
809 .dev_id = I28F004B3B,
810 .name = "Intel 28F004B3B",
811 .uaddr = {
812 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
813 },
814 .DevSize = SIZE_512KiB,
815 .CmdSet = P_ID_INTEL_STD,
816 .NumEraseRegions= 2,
817 .regions = {
818 ERASEINFO(0x02000, 8),
819 ERASEINFO(0x10000, 7),
820 }
821 }, {
822 .mfr_id = MANUFACTURER_INTEL,
823 .dev_id = I28F004B3T,
824 .name = "Intel 28F004B3T",
825 .uaddr = {
826 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
827 },
828 .DevSize = SIZE_512KiB,
829 .CmdSet = P_ID_INTEL_STD,
830 .NumEraseRegions= 2,
831 .regions = {
832 ERASEINFO(0x10000, 7),
833 ERASEINFO(0x02000, 8),
834 }
835 }, {
836 .mfr_id = MANUFACTURER_INTEL,
837 .dev_id = I28F400B3B,
838 .name = "Intel 28F400B3B",
839 .uaddr = {
840 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
841 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
842 },
843 .DevSize = SIZE_512KiB,
844 .CmdSet = P_ID_INTEL_STD,
845 .NumEraseRegions= 2,
846 .regions = {
847 ERASEINFO(0x02000, 8),
848 ERASEINFO(0x10000, 7),
849 }
850 }, {
851 .mfr_id = MANUFACTURER_INTEL,
852 .dev_id = I28F400B3T,
853 .name = "Intel 28F400B3T",
854 .uaddr = {
855 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
856 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
857 },
858 .DevSize = SIZE_512KiB,
859 .CmdSet = P_ID_INTEL_STD,
860 .NumEraseRegions= 2,
861 .regions = {
862 ERASEINFO(0x10000, 7),
863 ERASEINFO(0x02000, 8),
864 }
865 }, {
866 .mfr_id = MANUFACTURER_INTEL,
867 .dev_id = I28F008B3B,
868 .name = "Intel 28F008B3B",
869 .uaddr = {
870 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
871 },
872 .DevSize = SIZE_1MiB,
873 .CmdSet = P_ID_INTEL_STD,
874 .NumEraseRegions= 2,
875 .regions = {
876 ERASEINFO(0x02000, 8),
877 ERASEINFO(0x10000, 15),
878 }
879 }, {
880 .mfr_id = MANUFACTURER_INTEL,
881 .dev_id = I28F008B3T,
882 .name = "Intel 28F008B3T",
883 .uaddr = {
884 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
885 },
886 .DevSize = SIZE_1MiB,
887 .CmdSet = P_ID_INTEL_STD,
888 .NumEraseRegions= 2,
889 .regions = {
890 ERASEINFO(0x10000, 15),
891 ERASEINFO(0x02000, 8),
892 }
893 }, {
894 .mfr_id = MANUFACTURER_INTEL,
895 .dev_id = I28F008S5,
896 .name = "Intel 28F008S5",
897 .uaddr = {
898 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
899 },
900 .DevSize = SIZE_1MiB,
901 .CmdSet = P_ID_INTEL_EXT,
902 .NumEraseRegions= 1,
903 .regions = {
904 ERASEINFO(0x10000,16),
905 }
906 }, {
907 .mfr_id = MANUFACTURER_INTEL,
908 .dev_id = I28F016S5,
909 .name = "Intel 28F016S5",
910 .uaddr = {
911 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
912 },
913 .DevSize = SIZE_2MiB,
914 .CmdSet = P_ID_INTEL_EXT,
915 .NumEraseRegions= 1,
916 .regions = {
917 ERASEINFO(0x10000,32),
918 }
919 }, {
920 .mfr_id = MANUFACTURER_INTEL,
921 .dev_id = I28F008SA,
922 .name = "Intel 28F008SA",
923 .uaddr = {
924 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
925 },
926 .DevSize = SIZE_1MiB,
927 .CmdSet = P_ID_INTEL_STD,
928 .NumEraseRegions= 1,
929 .regions = {
930 ERASEINFO(0x10000, 16),
931 }
932 }, {
933 .mfr_id = MANUFACTURER_INTEL,
934 .dev_id = I28F800B3B,
935 .name = "Intel 28F800B3B",
936 .uaddr = {
937 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
938 },
939 .DevSize = SIZE_1MiB,
940 .CmdSet = P_ID_INTEL_STD,
941 .NumEraseRegions= 2,
942 .regions = {
943 ERASEINFO(0x02000, 8),
944 ERASEINFO(0x10000, 15),
945 }
946 }, {
947 .mfr_id = MANUFACTURER_INTEL,
948 .dev_id = I28F800B3T,
949 .name = "Intel 28F800B3T",
950 .uaddr = {
951 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
952 },
953 .DevSize = SIZE_1MiB,
954 .CmdSet = P_ID_INTEL_STD,
955 .NumEraseRegions= 2,
956 .regions = {
957 ERASEINFO(0x10000, 15),
958 ERASEINFO(0x02000, 8),
959 }
960 }, {
961 .mfr_id = MANUFACTURER_INTEL,
962 .dev_id = I28F016B3B,
963 .name = "Intel 28F016B3B",
964 .uaddr = {
965 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
966 },
967 .DevSize = SIZE_2MiB,
968 .CmdSet = P_ID_INTEL_STD,
969 .NumEraseRegions= 2,
970 .regions = {
971 ERASEINFO(0x02000, 8),
972 ERASEINFO(0x10000, 31),
973 }
974 }, {
975 .mfr_id = MANUFACTURER_INTEL,
976 .dev_id = I28F016S3,
977 .name = "Intel I28F016S3",
978 .uaddr = {
979 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
980 },
981 .DevSize = SIZE_2MiB,
982 .CmdSet = P_ID_INTEL_STD,
983 .NumEraseRegions= 1,
984 .regions = {
985 ERASEINFO(0x10000, 32),
986 }
987 }, {
988 .mfr_id = MANUFACTURER_INTEL,
989 .dev_id = I28F016B3T,
990 .name = "Intel 28F016B3T",
991 .uaddr = {
992 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
993 },
994 .DevSize = SIZE_2MiB,
995 .CmdSet = P_ID_INTEL_STD,
996 .NumEraseRegions= 2,
997 .regions = {
998 ERASEINFO(0x10000, 31),
999 ERASEINFO(0x02000, 8),
1001 }, {
1002 .mfr_id = MANUFACTURER_INTEL,
1003 .dev_id = I28F160B3B,
1004 .name = "Intel 28F160B3B",
1005 .uaddr = {
1006 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1007 },
1008 .DevSize = SIZE_2MiB,
1009 .CmdSet = P_ID_INTEL_STD,
1010 .NumEraseRegions= 2,
1011 .regions = {
1012 ERASEINFO(0x02000, 8),
1013 ERASEINFO(0x10000, 31),
1015 }, {
1016 .mfr_id = MANUFACTURER_INTEL,
1017 .dev_id = I28F160B3T,
1018 .name = "Intel 28F160B3T",
1019 .uaddr = {
1020 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1021 },
1022 .DevSize = SIZE_2MiB,
1023 .CmdSet = P_ID_INTEL_STD,
1024 .NumEraseRegions= 2,
1025 .regions = {
1026 ERASEINFO(0x10000, 31),
1027 ERASEINFO(0x02000, 8),
1029 }, {
1030 .mfr_id = MANUFACTURER_INTEL,
1031 .dev_id = I28F320B3B,
1032 .name = "Intel 28F320B3B",
1033 .uaddr = {
1034 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1035 },
1036 .DevSize = SIZE_4MiB,
1037 .CmdSet = P_ID_INTEL_STD,
1038 .NumEraseRegions= 2,
1039 .regions = {
1040 ERASEINFO(0x02000, 8),
1041 ERASEINFO(0x10000, 63),
1043 }, {
1044 .mfr_id = MANUFACTURER_INTEL,
1045 .dev_id = I28F320B3T,
1046 .name = "Intel 28F320B3T",
1047 .uaddr = {
1048 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1049 },
1050 .DevSize = SIZE_4MiB,
1051 .CmdSet = P_ID_INTEL_STD,
1052 .NumEraseRegions= 2,
1053 .regions = {
1054 ERASEINFO(0x10000, 63),
1055 ERASEINFO(0x02000, 8),
1057 }, {
1058 .mfr_id = MANUFACTURER_INTEL,
1059 .dev_id = I28F640B3B,
1060 .name = "Intel 28F640B3B",
1061 .uaddr = {
1062 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1063 },
1064 .DevSize = SIZE_8MiB,
1065 .CmdSet = P_ID_INTEL_STD,
1066 .NumEraseRegions= 2,
1067 .regions = {
1068 ERASEINFO(0x02000, 8),
1069 ERASEINFO(0x10000, 127),
1071 }, {
1072 .mfr_id = MANUFACTURER_INTEL,
1073 .dev_id = I28F640B3T,
1074 .name = "Intel 28F640B3T",
1075 .uaddr = {
1076 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1077 },
1078 .DevSize = SIZE_8MiB,
1079 .CmdSet = P_ID_INTEL_STD,
1080 .NumEraseRegions= 2,
1081 .regions = {
1082 ERASEINFO(0x10000, 127),
1083 ERASEINFO(0x02000, 8),
1085 }, {
1086 .mfr_id = MANUFACTURER_INTEL,
1087 .dev_id = I82802AB,
1088 .name = "Intel 82802AB",
1089 .uaddr = {
1090 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1091 },
1092 .DevSize = SIZE_512KiB,
1093 .CmdSet = P_ID_INTEL_EXT,
1094 .NumEraseRegions= 1,
1095 .regions = {
1096 ERASEINFO(0x10000,8),
1098 }, {
1099 .mfr_id = MANUFACTURER_INTEL,
1100 .dev_id = I82802AC,
1101 .name = "Intel 82802AC",
1102 .uaddr = {
1103 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1104 },
1105 .DevSize = SIZE_1MiB,
1106 .CmdSet = P_ID_INTEL_EXT,
1107 .NumEraseRegions= 1,
1108 .regions = {
1109 ERASEINFO(0x10000,16),
1111 }, {
1112 .mfr_id = MANUFACTURER_MACRONIX,
1113 .dev_id = MX29LV040C,
1114 .name = "Macronix MX29LV040C",
1115 .uaddr = {
1116 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */
1117 },
1118 .DevSize = SIZE_512KiB,
1119 .CmdSet = P_ID_AMD_STD,
1120 .NumEraseRegions= 1,
1121 .regions = {
1122 ERASEINFO(0x10000,8),
1124 }, {
1125 .mfr_id = MANUFACTURER_MACRONIX,
1126 .dev_id = MX29LV160T,
1127 .name = "MXIC MX29LV160T",
1128 .uaddr = {
1129 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1130 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1131 },
1132 .DevSize = SIZE_2MiB,
1133 .CmdSet = P_ID_AMD_STD,
1134 .NumEraseRegions= 4,
1135 .regions = {
1136 ERASEINFO(0x10000,31),
1137 ERASEINFO(0x08000,1),
1138 ERASEINFO(0x02000,2),
1139 ERASEINFO(0x04000,1)
1141 }, {
1142 .mfr_id = MANUFACTURER_NEC,
1143 .dev_id = UPD29F064115,
1144 .name = "NEC uPD29F064115",
1145 .uaddr = {
1146 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */
1147 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1148 },
1149 .DevSize = SIZE_8MiB,
1150 .CmdSet = P_ID_AMD_STD,
1151 .NumEraseRegions= 3,
1152 .regions = {
1153 ERASEINFO(0x2000,8),
1154 ERASEINFO(0x10000,126),
1155 ERASEINFO(0x2000,8),
1157 }, {
1158 .mfr_id = MANUFACTURER_MACRONIX,
1159 .dev_id = MX29LV160B,
1160 .name = "MXIC MX29LV160B",
1161 .uaddr = {
1162 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1163 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1164 },
1165 .DevSize = SIZE_2MiB,
1166 .CmdSet = P_ID_AMD_STD,
1167 .NumEraseRegions= 4,
1168 .regions = {
1169 ERASEINFO(0x04000,1),
1170 ERASEINFO(0x02000,2),
1171 ERASEINFO(0x08000,1),
1172 ERASEINFO(0x10000,31)
1174 }, {
1175 .mfr_id = MANUFACTURER_MACRONIX,
1176 .dev_id = MX29F040,
1177 .name = "Macronix MX29F040",
1178 .uaddr = {
1179 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1180 },
1181 .DevSize = SIZE_512KiB,
1182 .CmdSet = P_ID_AMD_STD,
1183 .NumEraseRegions= 1,
1184 .regions = {
1185 ERASEINFO(0x10000,8),
1187 }, {
1188 .mfr_id = MANUFACTURER_MACRONIX,
1189 .dev_id = MX29F016,
1190 .name = "Macronix MX29F016",
1191 .uaddr = {
1192 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1193 },
1194 .DevSize = SIZE_2MiB,
1195 .CmdSet = P_ID_AMD_STD,
1196 .NumEraseRegions= 1,
1197 .regions = {
1198 ERASEINFO(0x10000,32),
1200 }, {
1201 .mfr_id = MANUFACTURER_MACRONIX,
1202 .dev_id = MX29F004T,
1203 .name = "Macronix MX29F004T",
1204 .uaddr = {
1205 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1206 },
1207 .DevSize = SIZE_512KiB,
1208 .CmdSet = P_ID_AMD_STD,
1209 .NumEraseRegions= 4,
1210 .regions = {
1211 ERASEINFO(0x10000,7),
1212 ERASEINFO(0x08000,1),
1213 ERASEINFO(0x02000,2),
1214 ERASEINFO(0x04000,1),
1216 }, {
1217 .mfr_id = MANUFACTURER_MACRONIX,
1218 .dev_id = MX29F004B,
1219 .name = "Macronix MX29F004B",
1220 .uaddr = {
1221 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1222 },
1223 .DevSize = SIZE_512KiB,
1224 .CmdSet = P_ID_AMD_STD,
1225 .NumEraseRegions= 4,
1226 .regions = {
1227 ERASEINFO(0x04000,1),
1228 ERASEINFO(0x02000,2),
1229 ERASEINFO(0x08000,1),
1230 ERASEINFO(0x10000,7),
1232 }, {
1233 .mfr_id = MANUFACTURER_MACRONIX,
1234 .dev_id = MX29F002T,
1235 .name = "Macronix MX29F002T",
1236 .uaddr = {
1237 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1238 },
1239 .DevSize = SIZE_256KiB,
1240 .CmdSet = P_ID_AMD_STD,
1241 .NumEraseRegions= 4,
1242 .regions = {
1243 ERASEINFO(0x10000,3),
1244 ERASEINFO(0x08000,1),
1245 ERASEINFO(0x02000,2),
1246 ERASEINFO(0x04000,1),
1248 }, {
1249 .mfr_id = MANUFACTURER_PMC,
1250 .dev_id = PM49FL002,
1251 .name = "PMC Pm49FL002",
1252 .uaddr = {
1253 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1254 },
1255 .DevSize = SIZE_256KiB,
1256 .CmdSet = P_ID_AMD_STD,
1257 .NumEraseRegions= 1,
1258 .regions = {
1259 ERASEINFO( 0x01000, 64 )
1261 }, {
1262 .mfr_id = MANUFACTURER_PMC,
1263 .dev_id = PM49FL004,
1264 .name = "PMC Pm49FL004",
1265 .uaddr = {
1266 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1267 },
1268 .DevSize = SIZE_512KiB,
1269 .CmdSet = P_ID_AMD_STD,
1270 .NumEraseRegions= 1,
1271 .regions = {
1272 ERASEINFO( 0x01000, 128 )
1274 }, {
1275 .mfr_id = MANUFACTURER_PMC,
1276 .dev_id = PM49FL008,
1277 .name = "PMC Pm49FL008",
1278 .uaddr = {
1279 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1280 },
1281 .DevSize = SIZE_1MiB,
1282 .CmdSet = P_ID_AMD_STD,
1283 .NumEraseRegions= 1,
1284 .regions = {
1285 ERASEINFO( 0x01000, 256 )
1287 }, {
1288 .mfr_id = MANUFACTURER_SHARP,
1289 .dev_id = LH28F640BF,
1290 .name = "LH28F640BF",
1291 .uaddr = {
1292 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1293 },
1294 .DevSize = SIZE_4MiB,
1295 .CmdSet = P_ID_INTEL_STD,
1296 .NumEraseRegions= 1,
1297 .regions = {
1298 ERASEINFO(0x40000,16),
1300 }, {
1301 .mfr_id = MANUFACTURER_SST,
1302 .dev_id = SST39LF512,
1303 .name = "SST 39LF512",
1304 .uaddr = {
1305 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1306 },
1307 .DevSize = SIZE_64KiB,
1308 .CmdSet = P_ID_AMD_STD,
1309 .NumEraseRegions= 1,
1310 .regions = {
1311 ERASEINFO(0x01000,16),
1313 }, {
1314 .mfr_id = MANUFACTURER_SST,
1315 .dev_id = SST39LF010,
1316 .name = "SST 39LF010",
1317 .uaddr = {
1318 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1319 },
1320 .DevSize = SIZE_128KiB,
1321 .CmdSet = P_ID_AMD_STD,
1322 .NumEraseRegions= 1,
1323 .regions = {
1324 ERASEINFO(0x01000,32),
1326 }, {
1327 .mfr_id = MANUFACTURER_SST,
1328 .dev_id = SST29EE020,
1329 .name = "SST 29EE020",
1330 .uaddr = {
1331 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1332 },
1333 .DevSize = SIZE_256KiB,
1334 .CmdSet = P_ID_SST_PAGE,
1335 .NumEraseRegions= 1,
1336 .regions = {ERASEINFO(0x01000,64),
1338 }, {
1339 .mfr_id = MANUFACTURER_SST,
1340 .dev_id = SST29LE020,
1341 .name = "SST 29LE020",
1342 .uaddr = {
1343 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1344 },
1345 .DevSize = SIZE_256KiB,
1346 .CmdSet = P_ID_SST_PAGE,
1347 .NumEraseRegions= 1,
1348 .regions = {ERASEINFO(0x01000,64),
1350 }, {
1351 .mfr_id = MANUFACTURER_SST,
1352 .dev_id = SST39LF020,
1353 .name = "SST 39LF020",
1354 .uaddr = {
1355 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1356 },
1357 .DevSize = SIZE_256KiB,
1358 .CmdSet = P_ID_AMD_STD,
1359 .NumEraseRegions= 1,
1360 .regions = {
1361 ERASEINFO(0x01000,64),
1363 }, {
1364 .mfr_id = MANUFACTURER_SST,
1365 .dev_id = SST39LF040,
1366 .name = "SST 39LF040",
1367 .uaddr = {
1368 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1369 },
1370 .DevSize = SIZE_512KiB,
1371 .CmdSet = P_ID_AMD_STD,
1372 .NumEraseRegions= 1,
1373 .regions = {
1374 ERASEINFO(0x01000,128),
1376 }, {
1377 .mfr_id = MANUFACTURER_SST,
1378 .dev_id = SST39SF010A,
1379 .name = "SST 39SF010A",
1380 .uaddr = {
1381 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1382 },
1383 .DevSize = SIZE_128KiB,
1384 .CmdSet = P_ID_AMD_STD,
1385 .NumEraseRegions= 1,
1386 .regions = {
1387 ERASEINFO(0x01000,32),
1389 }, {
1390 .mfr_id = MANUFACTURER_SST,
1391 .dev_id = SST39SF020A,
1392 .name = "SST 39SF020A",
1393 .uaddr = {
1394 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1395 },
1396 .DevSize = SIZE_256KiB,
1397 .CmdSet = P_ID_AMD_STD,
1398 .NumEraseRegions= 1,
1399 .regions = {
1400 ERASEINFO(0x01000,64),
1402 }, {
1403 .mfr_id = MANUFACTURER_SST,
1404 .dev_id = SST49LF004B,
1405 .name = "SST 49LF004B",
1406 .uaddr = {
1407 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1408 },
1409 .DevSize = SIZE_512KiB,
1410 .CmdSet = P_ID_AMD_STD,
1411 .NumEraseRegions= 1,
1412 .regions = {
1413 ERASEINFO(0x01000,128),
1415 }, {
1416 .mfr_id = MANUFACTURER_SST,
1417 .dev_id = SST49LF008A,
1418 .name = "SST 49LF008A",
1419 .uaddr = {
1420 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1421 },
1422 .DevSize = SIZE_1MiB,
1423 .CmdSet = P_ID_AMD_STD,
1424 .NumEraseRegions= 1,
1425 .regions = {
1426 ERASEINFO(0x01000,256),
1428 }, {
1429 .mfr_id = MANUFACTURER_SST,
1430 .dev_id = SST49LF030A,
1431 .name = "SST 49LF030A",
1432 .uaddr = {
1433 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1434 },
1435 .DevSize = SIZE_512KiB,
1436 .CmdSet = P_ID_AMD_STD,
1437 .NumEraseRegions= 1,
1438 .regions = {
1439 ERASEINFO(0x01000,96),
1441 }, {
1442 .mfr_id = MANUFACTURER_SST,
1443 .dev_id = SST49LF040A,
1444 .name = "SST 49LF040A",
1445 .uaddr = {
1446 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1447 },
1448 .DevSize = SIZE_512KiB,
1449 .CmdSet = P_ID_AMD_STD,
1450 .NumEraseRegions= 1,
1451 .regions = {
1452 ERASEINFO(0x01000,128),
1454 }, {
1455 .mfr_id = MANUFACTURER_SST,
1456 .dev_id = SST49LF080A,
1457 .name = "SST 49LF080A",
1458 .uaddr = {
1459 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1460 },
1461 .DevSize = SIZE_1MiB,
1462 .CmdSet = P_ID_AMD_STD,
1463 .NumEraseRegions= 1,
1464 .regions = {
1465 ERASEINFO(0x01000,256),
1467 }, {
1468 .mfr_id = MANUFACTURER_SST, /* should be CFI */
1469 .dev_id = SST39LF160,
1470 .name = "SST 39LF160",
1471 .uaddr = {
1472 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */
1473 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */
1474 },
1475 .DevSize = SIZE_2MiB,
1476 .CmdSet = P_ID_AMD_STD,
1477 .NumEraseRegions= 2,
1478 .regions = {
1479 ERASEINFO(0x1000,256),
1480 ERASEINFO(0x1000,256)
1482 }, {
1483 .mfr_id = MANUFACTURER_SST, /* should be CFI */
1484 .dev_id = SST39VF1601,
1485 .name = "SST 39VF1601",
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)
1498 }, {
1499 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1500 .dev_id = M29W800DT,
1501 .name = "ST M29W800DT",
1502 .uaddr = {
1503 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */
1504 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */
1505 },
1506 .DevSize = SIZE_1MiB,
1507 .CmdSet = P_ID_AMD_STD,
1508 .NumEraseRegions= 4,
1509 .regions = {
1510 ERASEINFO(0x10000,15),
1511 ERASEINFO(0x08000,1),
1512 ERASEINFO(0x02000,2),
1513 ERASEINFO(0x04000,1)
1515 }, {
1516 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1517 .dev_id = M29W800DB,
1518 .name = "ST M29W800DB",
1519 .uaddr = {
1520 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */
1521 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */
1522 },
1523 .DevSize = SIZE_1MiB,
1524 .CmdSet = P_ID_AMD_STD,
1525 .NumEraseRegions= 4,
1526 .regions = {
1527 ERASEINFO(0x04000,1),
1528 ERASEINFO(0x02000,2),
1529 ERASEINFO(0x08000,1),
1530 ERASEINFO(0x10000,15)
1532 }, {
1533 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1534 .dev_id = M29W160DT,
1535 .name = "ST M29W160DT",
1536 .uaddr = {
1537 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */
1538 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1539 },
1540 .DevSize = SIZE_2MiB,
1541 .CmdSet = P_ID_AMD_STD,
1542 .NumEraseRegions= 4,
1543 .regions = {
1544 ERASEINFO(0x10000,31),
1545 ERASEINFO(0x08000,1),
1546 ERASEINFO(0x02000,2),
1547 ERASEINFO(0x04000,1)
1549 }, {
1550 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1551 .dev_id = M29W160DB,
1552 .name = "ST M29W160DB",
1553 .uaddr = {
1554 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */
1555 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1556 },
1557 .DevSize = SIZE_2MiB,
1558 .CmdSet = P_ID_AMD_STD,
1559 .NumEraseRegions= 4,
1560 .regions = {
1561 ERASEINFO(0x04000,1),
1562 ERASEINFO(0x02000,2),
1563 ERASEINFO(0x08000,1),
1564 ERASEINFO(0x10000,31)
1566 }, {
1567 .mfr_id = MANUFACTURER_ST,
1568 .dev_id = M29W040B,
1569 .name = "ST M29W040B",
1570 .uaddr = {
1571 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1572 },
1573 .DevSize = SIZE_512KiB,
1574 .CmdSet = P_ID_AMD_STD,
1575 .NumEraseRegions= 1,
1576 .regions = {
1577 ERASEINFO(0x10000,8),
1579 }, {
1580 .mfr_id = MANUFACTURER_ST,
1581 .dev_id = M50FW040,
1582 .name = "ST M50FW040",
1583 .uaddr = {
1584 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1585 },
1586 .DevSize = SIZE_512KiB,
1587 .CmdSet = P_ID_INTEL_EXT,
1588 .NumEraseRegions= 1,
1589 .regions = {
1590 ERASEINFO(0x10000,8),
1592 }, {
1593 .mfr_id = MANUFACTURER_ST,
1594 .dev_id = M50FW080,
1595 .name = "ST M50FW080",
1596 .uaddr = {
1597 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1598 },
1599 .DevSize = SIZE_1MiB,
1600 .CmdSet = P_ID_INTEL_EXT,
1601 .NumEraseRegions= 1,
1602 .regions = {
1603 ERASEINFO(0x10000,16),
1605 }, {
1606 .mfr_id = MANUFACTURER_ST,
1607 .dev_id = M50FW016,
1608 .name = "ST M50FW016",
1609 .uaddr = {
1610 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1611 },
1612 .DevSize = SIZE_2MiB,
1613 .CmdSet = P_ID_INTEL_EXT,
1614 .NumEraseRegions= 1,
1615 .regions = {
1616 ERASEINFO(0x10000,32),
1618 }, {
1619 .mfr_id = MANUFACTURER_ST,
1620 .dev_id = M50LPW080,
1621 .name = "ST M50LPW080",
1622 .uaddr = {
1623 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1624 },
1625 .DevSize = SIZE_1MiB,
1626 .CmdSet = P_ID_INTEL_EXT,
1627 .NumEraseRegions= 1,
1628 .regions = {
1629 ERASEINFO(0x10000,16),
1631 }, {
1632 .mfr_id = MANUFACTURER_TOSHIBA,
1633 .dev_id = TC58FVT160,
1634 .name = "Toshiba TC58FVT160",
1635 .uaddr = {
1636 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1637 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */
1638 },
1639 .DevSize = SIZE_2MiB,
1640 .CmdSet = P_ID_AMD_STD,
1641 .NumEraseRegions= 4,
1642 .regions = {
1643 ERASEINFO(0x10000,31),
1644 ERASEINFO(0x08000,1),
1645 ERASEINFO(0x02000,2),
1646 ERASEINFO(0x04000,1)
1648 }, {
1649 .mfr_id = MANUFACTURER_TOSHIBA,
1650 .dev_id = TC58FVB160,
1651 .name = "Toshiba TC58FVB160",
1652 .uaddr = {
1653 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1654 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */
1655 },
1656 .DevSize = SIZE_2MiB,
1657 .CmdSet = P_ID_AMD_STD,
1658 .NumEraseRegions= 4,
1659 .regions = {
1660 ERASEINFO(0x04000,1),
1661 ERASEINFO(0x02000,2),
1662 ERASEINFO(0x08000,1),
1663 ERASEINFO(0x10000,31)
1665 }, {
1666 .mfr_id = MANUFACTURER_TOSHIBA,
1667 .dev_id = TC58FVB321,
1668 .name = "Toshiba TC58FVB321",
1669 .uaddr = {
1670 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1671 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */
1672 },
1673 .DevSize = SIZE_4MiB,
1674 .CmdSet = P_ID_AMD_STD,
1675 .NumEraseRegions= 2,
1676 .regions = {
1677 ERASEINFO(0x02000,8),
1678 ERASEINFO(0x10000,63)
1680 }, {
1681 .mfr_id = MANUFACTURER_TOSHIBA,
1682 .dev_id = TC58FVT321,
1683 .name = "Toshiba TC58FVT321",
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(0x10000,63),
1693 ERASEINFO(0x02000,8)
1695 }, {
1696 .mfr_id = MANUFACTURER_TOSHIBA,
1697 .dev_id = TC58FVB641,
1698 .name = "Toshiba TC58FVB641",
1699 .uaddr = {
1700 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1701 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1702 },
1703 .DevSize = SIZE_8MiB,
1704 .CmdSet = P_ID_AMD_STD,
1705 .NumEraseRegions= 2,
1706 .regions = {
1707 ERASEINFO(0x02000,8),
1708 ERASEINFO(0x10000,127)
1710 }, {
1711 .mfr_id = MANUFACTURER_TOSHIBA,
1712 .dev_id = TC58FVT641,
1713 .name = "Toshiba TC58FVT641",
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(0x10000,127),
1723 ERASEINFO(0x02000,8)
1725 }, {
1726 .mfr_id = MANUFACTURER_WINBOND,
1727 .dev_id = W49V002A,
1728 .name = "Winbond W49V002A",
1729 .uaddr = {
1730 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1731 },
1732 .DevSize = SIZE_256KiB,
1733 .CmdSet = P_ID_AMD_STD,
1734 .NumEraseRegions= 4,
1735 .regions = {
1736 ERASEINFO(0x10000, 3),
1737 ERASEINFO(0x08000, 1),
1738 ERASEINFO(0x02000, 2),
1739 ERASEINFO(0x04000, 1),
1742 };
1745 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index);
1747 static int jedec_probe_chip(struct map_info *map, __u32 base,
1748 unsigned long *chip_map, struct cfi_private *cfi);
1750 static struct mtd_info *jedec_probe(struct map_info *map);
1752 static inline u32 jedec_read_mfr(struct map_info *map, __u32 base,
1753 struct cfi_private *cfi)
1755 map_word result;
1756 unsigned long mask;
1757 u32 ofs = cfi_build_cmd_addr(0, cfi_interleave(cfi), cfi->device_type);
1758 mask = (1 << (cfi->device_type * 8)) -1;
1759 result = map_read(map, base + ofs);
1760 return result.x[0] & mask;
1763 static inline u32 jedec_read_id(struct map_info *map, __u32 base,
1764 struct cfi_private *cfi)
1766 map_word result;
1767 unsigned long mask;
1768 u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type);
1769 mask = (1 << (cfi->device_type * 8)) -1;
1770 result = map_read(map, base + ofs);
1771 return result.x[0] & mask;
1774 static inline void jedec_reset(u32 base, struct map_info *map,
1775 struct cfi_private *cfi)
1777 /* Reset */
1779 /* after checking the datasheets for SST, MACRONIX and ATMEL
1780 * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1781 * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1782 * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1783 * as they will ignore the writes and dont care what address
1784 * the F0 is written to */
1785 if(cfi->addr_unlock1) {
1786 DEBUG( MTD_DEBUG_LEVEL3,
1787 "reset unlock called %x %x \n",
1788 cfi->addr_unlock1,cfi->addr_unlock2);
1789 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1790 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1793 cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1794 /* Some misdesigned intel chips do not respond for 0xF0 for a reset,
1795 * so ensure we're in read mode. Send both the Intel and the AMD command
1796 * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so
1797 * this should be safe.
1798 */
1799 cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1800 /* FIXME - should have reset delay before continuing */
1804 static inline __u8 finfo_uaddr(const struct amd_flash_info *finfo, int device_type)
1806 int uaddr_idx;
1807 __u8 uaddr = MTD_UADDR_NOT_SUPPORTED;
1809 switch ( device_type ) {
1810 case CFI_DEVICETYPE_X8: uaddr_idx = 0; break;
1811 case CFI_DEVICETYPE_X16: uaddr_idx = 1; break;
1812 case CFI_DEVICETYPE_X32: uaddr_idx = 2; break;
1813 default:
1814 printk(KERN_NOTICE "MTD: %s(): unknown device_type %d\n",
1815 __func__, device_type);
1816 goto uaddr_done;
1819 uaddr = finfo->uaddr[uaddr_idx];
1821 if (uaddr != MTD_UADDR_NOT_SUPPORTED ) {
1822 /* ASSERT("The unlock addresses for non-8-bit mode
1823 are bollocks. We don't really need an array."); */
1824 uaddr = finfo->uaddr[0];
1827 uaddr_done:
1828 return uaddr;
1832 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1834 int i,num_erase_regions;
1835 __u8 uaddr;
1837 printk("Found: %s\n",jedec_table[index].name);
1839 num_erase_regions = jedec_table[index].NumEraseRegions;
1841 p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1842 if (!p_cfi->cfiq) {
1843 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1844 return 0;
1847 memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1849 p_cfi->cfiq->P_ID = jedec_table[index].CmdSet;
1850 p_cfi->cfiq->NumEraseRegions = jedec_table[index].NumEraseRegions;
1851 p_cfi->cfiq->DevSize = jedec_table[index].DevSize;
1852 p_cfi->cfi_mode = CFI_MODE_JEDEC;
1854 for (i=0; i<num_erase_regions; i++){
1855 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1857 p_cfi->cmdset_priv = NULL;
1859 /* This may be redundant for some cases, but it doesn't hurt */
1860 p_cfi->mfr = jedec_table[index].mfr_id;
1861 p_cfi->id = jedec_table[index].dev_id;
1863 uaddr = finfo_uaddr(&jedec_table[index], p_cfi->device_type);
1864 if ( uaddr == MTD_UADDR_NOT_SUPPORTED ) {
1865 kfree( p_cfi->cfiq );
1866 return 0;
1869 p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1;
1870 p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2;
1872 return 1; /* ok */
1876 /*
1877 * There is a BIG problem properly ID'ing the JEDEC devic and guaranteeing
1878 * the mapped address, unlock addresses, and proper chip ID. This function
1879 * attempts to minimize errors. It is doubtfull that this probe will ever
1880 * be perfect - consequently there should be some module parameters that
1881 * could be manually specified to force the chip info.
1882 */
1883 static inline int jedec_match( __u32 base,
1884 struct map_info *map,
1885 struct cfi_private *cfi,
1886 const struct amd_flash_info *finfo )
1888 int rc = 0; /* failure until all tests pass */
1889 u32 mfr, id;
1890 __u8 uaddr;
1892 /*
1893 * The IDs must match. For X16 and X32 devices operating in
1894 * a lower width ( X8 or X16 ), the device ID's are usually just
1895 * the lower byte(s) of the larger device ID for wider mode. If
1896 * a part is found that doesn't fit this assumption (device id for
1897 * smaller width mode is completely unrealated to full-width mode)
1898 * then the jedec_table[] will have to be augmented with the IDs
1899 * for different widths.
1900 */
1901 switch (cfi->device_type) {
1902 case CFI_DEVICETYPE_X8:
1903 mfr = (__u8)finfo->mfr_id;
1904 id = (__u8)finfo->dev_id;
1906 /* bjd: it seems that if we do this, we can end up
1907 * detecting 16bit flashes as an 8bit device, even though
1908 * there aren't.
1909 */
1910 if (finfo->dev_id > 0xff) {
1911 DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1912 __func__);
1913 goto match_done;
1915 break;
1916 case CFI_DEVICETYPE_X16:
1917 mfr = (__u16)finfo->mfr_id;
1918 id = (__u16)finfo->dev_id;
1919 break;
1920 case CFI_DEVICETYPE_X32:
1921 mfr = (__u16)finfo->mfr_id;
1922 id = (__u32)finfo->dev_id;
1923 break;
1924 default:
1925 printk(KERN_WARNING
1926 "MTD %s(): Unsupported device type %d\n",
1927 __func__, cfi->device_type);
1928 goto match_done;
1930 if ( cfi->mfr != mfr || cfi->id != id ) {
1931 goto match_done;
1934 /* the part size must fit in the memory window */
1935 DEBUG( MTD_DEBUG_LEVEL3,
1936 "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1937 __func__, base, 1 << finfo->DevSize, base + (1 << finfo->DevSize) );
1938 if ( base + cfi_interleave(cfi) * ( 1 << finfo->DevSize ) > map->size ) {
1939 DEBUG( MTD_DEBUG_LEVEL3,
1940 "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1941 __func__, finfo->mfr_id, finfo->dev_id,
1942 1 << finfo->DevSize );
1943 goto match_done;
1946 uaddr = finfo_uaddr(finfo, cfi->device_type);
1947 if ( uaddr == MTD_UADDR_NOT_SUPPORTED ) {
1948 goto match_done;
1951 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
1952 __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
1953 if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
1954 && ( unlock_addrs[uaddr].addr1 != cfi->addr_unlock1 ||
1955 unlock_addrs[uaddr].addr2 != cfi->addr_unlock2 ) ) {
1956 DEBUG( MTD_DEBUG_LEVEL3,
1957 "MTD %s(): 0x%.4x 0x%.4x did not match\n",
1958 __func__,
1959 unlock_addrs[uaddr].addr1,
1960 unlock_addrs[uaddr].addr2);
1961 goto match_done;
1964 /*
1965 * Make sure the ID's dissappear when the device is taken out of
1966 * ID mode. The only time this should fail when it should succeed
1967 * is when the ID's are written as data to the same
1968 * addresses. For this rare and unfortunate case the chip
1969 * cannot be probed correctly.
1970 * FIXME - write a driver that takes all of the chip info as
1971 * module parameters, doesn't probe but forces a load.
1972 */
1973 DEBUG( MTD_DEBUG_LEVEL3,
1974 "MTD %s(): check ID's disappear when not in ID mode\n",
1975 __func__ );
1976 jedec_reset( base, map, cfi );
1977 mfr = jedec_read_mfr( map, base, cfi );
1978 id = jedec_read_id( map, base, cfi );
1979 if ( mfr == cfi->mfr && id == cfi->id ) {
1980 DEBUG( MTD_DEBUG_LEVEL3,
1981 "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
1982 "You might need to manually specify JEDEC parameters.\n",
1983 __func__, cfi->mfr, cfi->id );
1984 goto match_done;
1987 /* all tests passed - mark as success */
1988 rc = 1;
1990 /*
1991 * Put the device back in ID mode - only need to do this if we
1992 * were truly frobbing a real device.
1993 */
1994 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
1995 if(cfi->addr_unlock1) {
1996 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1997 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1999 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2000 /* FIXME - should have a delay before continuing */
2002 match_done:
2003 return rc;
2007 static int jedec_probe_chip(struct map_info *map, __u32 base,
2008 unsigned long *chip_map, struct cfi_private *cfi)
2010 int i;
2011 enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
2012 u32 probe_offset1, probe_offset2;
2014 retry:
2015 if (!cfi->numchips) {
2016 uaddr_idx++;
2018 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2019 return 0;
2021 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1;
2022 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2;
2025 /* Make certain we aren't probing past the end of map */
2026 if (base >= map->size) {
2027 printk(KERN_NOTICE
2028 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2029 base, map->size -1);
2030 return 0;
2033 /* Ensure the unlock addresses we try stay inside the map */
2034 probe_offset1 = cfi_build_cmd_addr(
2035 cfi->addr_unlock1,
2036 cfi_interleave(cfi),
2037 cfi->device_type);
2038 probe_offset2 = cfi_build_cmd_addr(
2039 cfi->addr_unlock1,
2040 cfi_interleave(cfi),
2041 cfi->device_type);
2042 if ( ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2043 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2045 goto retry;
2048 /* Reset */
2049 jedec_reset(base, map, cfi);
2051 /* Autoselect Mode */
2052 if(cfi->addr_unlock1) {
2053 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2054 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2056 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2057 /* FIXME - should have a delay before continuing */
2059 if (!cfi->numchips) {
2060 /* This is the first time we're called. Set up the CFI
2061 stuff accordingly and return */
2063 cfi->mfr = jedec_read_mfr(map, base, cfi);
2064 cfi->id = jedec_read_id(map, base, cfi);
2065 DEBUG(MTD_DEBUG_LEVEL3,
2066 "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2067 cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2068 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
2069 if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
2070 DEBUG( MTD_DEBUG_LEVEL3,
2071 "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2072 __func__, cfi->mfr, cfi->id,
2073 cfi->addr_unlock1, cfi->addr_unlock2 );
2074 if (!cfi_jedec_setup(cfi, i))
2075 return 0;
2076 goto ok_out;
2079 goto retry;
2080 } else {
2081 __u16 mfr;
2082 __u16 id;
2084 /* Make sure it is a chip of the same manufacturer and id */
2085 mfr = jedec_read_mfr(map, base, cfi);
2086 id = jedec_read_id(map, base, cfi);
2088 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2089 printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2090 map->name, mfr, id, base);
2091 jedec_reset(base, map, cfi);
2092 return 0;
2096 /* Check each previous chip locations to see if it's an alias */
2097 for (i=0; i < (base >> cfi->chipshift); i++) {
2098 unsigned long start;
2099 if(!test_bit(i, chip_map)) {
2100 continue; /* Skip location; no valid chip at this address */
2102 start = i << cfi->chipshift;
2103 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2104 jedec_read_id(map, start, cfi) == cfi->id) {
2105 /* Eep. This chip also looks like it's in autoselect mode.
2106 Is it an alias for the new one? */
2107 jedec_reset(start, map, cfi);
2109 /* If the device IDs go away, it's an alias */
2110 if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2111 jedec_read_id(map, base, cfi) != cfi->id) {
2112 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2113 map->name, base, start);
2114 return 0;
2117 /* Yes, it's actually got the device IDs as data. Most
2118 * unfortunate. Stick the new chip in read mode
2119 * too and if it's the same, assume it's an alias. */
2120 /* FIXME: Use other modes to do a proper check */
2121 jedec_reset(base, map, cfi);
2122 if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2123 jedec_read_id(map, base, cfi) == cfi->id) {
2124 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2125 map->name, base, start);
2126 return 0;
2131 /* OK, if we got to here, then none of the previous chips appear to
2132 be aliases for the current one. */
2133 set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2134 cfi->numchips++;
2136 ok_out:
2137 /* Put it back into Read Mode */
2138 jedec_reset(base, map, cfi);
2140 printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2141 map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2142 map->bankwidth*8);
2144 return 1;
2147 static struct chip_probe jedec_chip_probe = {
2148 .name = "JEDEC",
2149 .probe_chip = jedec_probe_chip
2150 };
2152 static struct mtd_info *jedec_probe(struct map_info *map)
2154 /*
2155 * Just use the generic probe stuff to call our CFI-specific
2156 * chip_probe routine in all the possible permutations, etc.
2157 */
2158 return mtd_do_chip_probe(map, &jedec_chip_probe);
2161 static struct mtd_chip_driver jedec_chipdrv = {
2162 .probe = jedec_probe,
2163 .name = "jedec_probe",
2164 .module = THIS_MODULE
2165 };
2167 static int __init jedec_probe_init(void)
2169 register_mtd_chip_driver(&jedec_chipdrv);
2170 return 0;
2173 static void __exit jedec_probe_exit(void)
2175 unregister_mtd_chip_driver(&jedec_chipdrv);
2178 module_init(jedec_probe_init);
2179 module_exit(jedec_probe_exit);
2181 MODULE_LICENSE("GPL");
2182 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2183 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");