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RT-AC66 3.0.0.4.374.130 core
[tomato.git] / release / src-rt-6.x / linux / linux-2.6 / drivers / mtd / chips / jedec_probe.c
blob58e561e87699026de75ff94b9960128adb1490ac
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.
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 */
184 enum 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
195 struct 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 */
211 static 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
249 struct 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 */
277 static 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, /* FIXME - CFI device? */
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, /* FIXME - CFI device? */
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, /* FIXME - CFI device? */
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, /* FIXME - CFI device? */
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
1760 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index);
1761
1762 static int jedec_probe_chip(struct map_info *map, __u32 base,
1763 unsigned long *chip_map, struct cfi_private *cfi);
1764
1765 static struct mtd_info *jedec_probe(struct map_info *map);
1766
1767 static 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
1778 static 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
1789 static 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 /* FIXME - should have reset delay before continuing */
1816 }
1817
1818
1819 static inline __u8 finfo_uaddr(const struct amd_flash_info *finfo, int device_type)
1820 {
1821 int uaddr_idx;
1822 __u8 uaddr = MTD_UADDR_NOT_SUPPORTED;
1823
1824 switch ( device_type ) {
1825 case CFI_DEVICETYPE_X8: uaddr_idx = 0; break;
1826 case CFI_DEVICETYPE_X16: uaddr_idx = 1; break;
1827 case CFI_DEVICETYPE_X32: uaddr_idx = 2; break;
1828 default:
1829 printk(KERN_NOTICE "MTD: %s(): unknown device_type %d\n",
1830 __func__, device_type);
1831 goto uaddr_done;
1832 }
1833
1834 uaddr = finfo->uaddr[uaddr_idx];
1835
1836 if (uaddr != MTD_UADDR_NOT_SUPPORTED ) {
1837 /* ASSERT("The unlock addresses for non-8-bit mode
1838 are bollocks. We don't really need an array."); */
1839 uaddr = finfo->uaddr[0];
1840 }
1841
1842 uaddr_done:
1843 return uaddr;
1844 }
1845
1846
1847 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1848 {
1849 int i,num_erase_regions;
1850 __u8 uaddr;
1851
1852 printk("Found: %s\n",jedec_table[index].name);
1853
1854 num_erase_regions = jedec_table[index].NumEraseRegions;
1855
1856 p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1857 if (!p_cfi->cfiq) {
1858 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1859 return 0;
1860 }
1861
1862 memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1863
1864 p_cfi->cfiq->P_ID = jedec_table[index].CmdSet;
1865 p_cfi->cfiq->NumEraseRegions = jedec_table[index].NumEraseRegions;
1866 p_cfi->cfiq->DevSize = jedec_table[index].DevSize;
1867 p_cfi->cfi_mode = CFI_MODE_JEDEC;
1868
1869 for (i=0; i<num_erase_regions; i++){
1870 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1871 }
1872 p_cfi->cmdset_priv = NULL;
1873
1874 /* This may be redundant for some cases, but it doesn't hurt */
1875 p_cfi->mfr = jedec_table[index].mfr_id;
1876 p_cfi->id = jedec_table[index].dev_id;
1877
1878 uaddr = finfo_uaddr(&jedec_table[index], p_cfi->device_type);
1879 if ( uaddr == MTD_UADDR_NOT_SUPPORTED ) {
1880 kfree( p_cfi->cfiq );
1881 return 0;
1882 }
1883
1884 p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1;
1885 p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2;
1886
1887 return 1; /* ok */
1888 }
1889
1890
1891 /*
1892 * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1893 * the mapped address, unlock addresses, and proper chip ID. This function
1894 * attempts to minimize errors. It is doubtfull that this probe will ever
1895 * be perfect - consequently there should be some module parameters that
1896 * could be manually specified to force the chip info.
1897 */
1898 static inline int jedec_match( __u32 base,
1899 struct map_info *map,
1900 struct cfi_private *cfi,
1901 const struct amd_flash_info *finfo )
1902 {
1903 int rc = 0; /* failure until all tests pass */
1904 u32 mfr, id;
1905 __u8 uaddr;
1906
1907 /*
1908 * The IDs must match. For X16 and X32 devices operating in
1909 * a lower width ( X8 or X16 ), the device ID's are usually just
1910 * the lower byte(s) of the larger device ID for wider mode. If
1911 * a part is found that doesn't fit this assumption (device id for
1912 * smaller width mode is completely unrealated to full-width mode)
1913 * then the jedec_table[] will have to be augmented with the IDs
1914 * for different widths.
1915 */
1916 switch (cfi->device_type) {
1917 case CFI_DEVICETYPE_X8:
1918 mfr = (__u8)finfo->mfr_id;
1919 id = (__u8)finfo->dev_id;
1920
1921 /* bjd: it seems that if we do this, we can end up
1922 * detecting 16bit flashes as an 8bit device, even though
1923 * there aren't.
1924 */
1925 if (finfo->dev_id > 0xff) {
1926 DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1927 __func__);
1928 goto match_done;
1929 }
1930 break;
1931 case CFI_DEVICETYPE_X16:
1932 mfr = (__u16)finfo->mfr_id;
1933 id = (__u16)finfo->dev_id;
1934 break;
1935 case CFI_DEVICETYPE_X32:
1936 mfr = (__u16)finfo->mfr_id;
1937 id = (__u32)finfo->dev_id;
1938 break;
1939 default:
1940 printk(KERN_WARNING
1941 "MTD %s(): Unsupported device type %d\n",
1942 __func__, cfi->device_type);
1943 goto match_done;
1944 }
1945 if ( cfi->mfr != mfr || cfi->id != id ) {
1946 goto match_done;
1947 }
1948
1949 /* the part size must fit in the memory window */
1950 DEBUG( MTD_DEBUG_LEVEL3,
1951 "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1952 __func__, base, 1 << finfo->DevSize, base + (1 << finfo->DevSize) );
1953 if ( base + cfi_interleave(cfi) * ( 1 << finfo->DevSize ) > map->size ) {
1954 DEBUG( MTD_DEBUG_LEVEL3,
1955 "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1956 __func__, finfo->mfr_id, finfo->dev_id,
1957 1 << finfo->DevSize );
1958 goto match_done;
1959 }
1960
1961 uaddr = finfo_uaddr(finfo, cfi->device_type);
1962 if ( uaddr == MTD_UADDR_NOT_SUPPORTED ) {
1963 goto match_done;
1964 }
1965
1966 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
1967 __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
1968 if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
1969 && ( unlock_addrs[uaddr].addr1 != cfi->addr_unlock1 ||
1970 unlock_addrs[uaddr].addr2 != cfi->addr_unlock2 ) ) {
1971 DEBUG( MTD_DEBUG_LEVEL3,
1972 "MTD %s(): 0x%.4x 0x%.4x did not match\n",
1973 __func__,
1974 unlock_addrs[uaddr].addr1,
1975 unlock_addrs[uaddr].addr2);
1976 goto match_done;
1977 }
1978
1979 /*
1980 * Make sure the ID's dissappear when the device is taken out of
1981 * ID mode. The only time this should fail when it should succeed
1982 * is when the ID's are written as data to the same
1983 * addresses. For this rare and unfortunate case the chip
1984 * cannot be probed correctly.
1985 * FIXME - write a driver that takes all of the chip info as
1986 * module parameters, doesn't probe but forces a load.
1987 */
1988 DEBUG( MTD_DEBUG_LEVEL3,
1989 "MTD %s(): check ID's disappear when not in ID mode\n",
1990 __func__ );
1991 jedec_reset( base, map, cfi );
1992 mfr = jedec_read_mfr( map, base, cfi );
1993 id = jedec_read_id( map, base, cfi );
1994 if ( mfr == cfi->mfr && id == cfi->id ) {
1995 DEBUG( MTD_DEBUG_LEVEL3,
1996 "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
1997 "You might need to manually specify JEDEC parameters.\n",
1998 __func__, cfi->mfr, cfi->id );
1999 goto match_done;
2000 }
2001
2002 /* all tests passed - mark as success */
2003 rc = 1;
2004
2005 /*
2006 * Put the device back in ID mode - only need to do this if we
2007 * were truly frobbing a real device.
2008 */
2009 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
2010 if(cfi->addr_unlock1) {
2011 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2012 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2013 }
2014 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2015 /* FIXME - should have a delay before continuing */
2016
2017 match_done:
2018 return rc;
2019 }
2020
2021
2022 static int jedec_probe_chip(struct map_info *map, __u32 base,
2023 unsigned long *chip_map, struct cfi_private *cfi)
2024 {
2025 int i;
2026 enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
2027 u32 probe_offset1, probe_offset2;
2028
2029 retry:
2030 if (!cfi->numchips) {
2031 uaddr_idx++;
2032
2033 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2034 return 0;
2035
2036 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1;
2037 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2;
2038 }
2039
2040 /* Make certain we aren't probing past the end of map */
2041 if (base >= map->size) {
2042 printk(KERN_NOTICE
2043 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2044 base, map->size -1);
2045 return 0;
2046
2047 }
2048 /* Ensure the unlock addresses we try stay inside the map */
2049 probe_offset1 = cfi_build_cmd_addr(
2050 cfi->addr_unlock1,
2051 cfi_interleave(cfi),
2052 cfi->device_type);
2053 probe_offset2 = cfi_build_cmd_addr(
2054 cfi->addr_unlock1,
2055 cfi_interleave(cfi),
2056 cfi->device_type);
2057 if ( ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2058 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2059 {
2060 goto retry;
2061 }
2062
2063 /* Reset */
2064 jedec_reset(base, map, cfi);
2065
2066 /* Autoselect Mode */
2067 if(cfi->addr_unlock1) {
2068 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2069 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2070 }
2071 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2072 /* FIXME - should have a delay before continuing */
2073
2074 if (!cfi->numchips) {
2075 /* This is the first time we're called. Set up the CFI
2076 stuff accordingly and return */
2077
2078 cfi->mfr = jedec_read_mfr(map, base, cfi);
2079 cfi->id = jedec_read_id(map, base, cfi);
2080 DEBUG(MTD_DEBUG_LEVEL3,
2081 "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2082 cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2083 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
2084 if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
2085 DEBUG( MTD_DEBUG_LEVEL3,
2086 "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2087 __func__, cfi->mfr, cfi->id,
2088 cfi->addr_unlock1, cfi->addr_unlock2 );
2089 if (!cfi_jedec_setup(cfi, i))
2090 return 0;
2091 goto ok_out;
2092 }
2093 }
2094 goto retry;
2095 } else {
2096 __u16 mfr;
2097 __u16 id;
2098
2099 /* Make sure it is a chip of the same manufacturer and id */
2100 mfr = jedec_read_mfr(map, base, cfi);
2101 id = jedec_read_id(map, base, cfi);
2102
2103 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2104 printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2105 map->name, mfr, id, base);
2106 jedec_reset(base, map, cfi);
2107 return 0;
2108 }
2109 }
2110
2111 /* Check each previous chip locations to see if it's an alias */
2112 for (i=0; i < (base >> cfi->chipshift); i++) {
2113 unsigned long start;
2114 if(!test_bit(i, chip_map)) {
2115 continue; /* Skip location; no valid chip at this address */
2116 }
2117 start = i << cfi->chipshift;
2118 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2119 jedec_read_id(map, start, cfi) == cfi->id) {
2120 /* Eep. This chip also looks like it's in autoselect mode.
2121 Is it an alias for the new one? */
2122 jedec_reset(start, map, cfi);
2123
2124 /* If the device IDs go away, it's an alias */
2125 if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2126 jedec_read_id(map, base, cfi) != cfi->id) {
2127 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2128 map->name, base, start);
2129 return 0;
2130 }
2131
2132 /* Yes, it's actually got the device IDs as data. Most
2133 * unfortunate. Stick the new chip in read mode
2134 * too and if it's the same, assume it's an alias. */
2135 /* FIXME: Use other modes to do a proper check */
2136 jedec_reset(base, map, cfi);
2137 if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2138 jedec_read_id(map, base, cfi) == cfi->id) {
2139 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2140 map->name, base, start);
2141 return 0;
2142 }
2143 }
2144 }
2145
2146 /* OK, if we got to here, then none of the previous chips appear to
2147 be aliases for the current one. */
2148 set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2149 cfi->numchips++;
2150
2151 ok_out:
2152 /* Put it back into Read Mode */
2153 jedec_reset(base, map, cfi);
2154
2155 printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2156 map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2157 map->bankwidth*8);
2158
2159 return 1;
2160 }
2161
2162 static struct chip_probe jedec_chip_probe = {
2163 .name = "JEDEC",
2164 .probe_chip = jedec_probe_chip
2165 };
2166
2167 static struct mtd_info *jedec_probe(struct map_info *map)
2168 {
2169 /*
2170 * Just use the generic probe stuff to call our CFI-specific
2171 * chip_probe routine in all the possible permutations, etc.
2172 */
2173 return mtd_do_chip_probe(map, &jedec_chip_probe);
2174 }
2175
2176 static struct mtd_chip_driver jedec_chipdrv = {
2177 .probe = jedec_probe,
2178 .name = "jedec_probe",
2179 .module = THIS_MODULE
2180 };
2181
2182 static int __init jedec_probe_init(void)
2183 {
2184 register_mtd_chip_driver(&jedec_chipdrv);
2185 return 0;
2186 }
2187
2188 static void __exit jedec_probe_exit(void)
2189 {
2190 unregister_mtd_chip_driver(&jedec_chipdrv);
2191 }
2192
2193 module_init(jedec_probe_init);
2194 module_exit(jedec_probe_exit);
2195
2196 MODULE_LICENSE("GPL");
2197 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2198 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");
Tomato firmware and modifications.