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[MTD] [NOR] Attempt to clean up the JEDEC unlock address confusion
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / mtd / chips / jedec_probe.c
blob64059384521860dafa0dbbb220b2669efc2c9db6
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
21 #include <linux/mtd/mtd.h>
22 #include <linux/mtd/map.h>
23 #include <linux/mtd/cfi.h>
24 #include <linux/mtd/gen_probe.h>
25
26 /* Manufacturers */
27 #define MANUFACTURER_AMD 0x0001
28 #define MANUFACTURER_ATMEL 0x001f
29 #define MANUFACTURER_FUJITSU 0x0004
30 #define MANUFACTURER_HYUNDAI 0x00AD
31 #define MANUFACTURER_INTEL 0x0089
32 #define MANUFACTURER_MACRONIX 0x00C2
33 #define MANUFACTURER_NEC 0x0010
34 #define MANUFACTURER_PMC 0x009D
35 #define MANUFACTURER_SHARP 0x00b0
36 #define MANUFACTURER_SST 0x00BF
37 #define MANUFACTURER_ST 0x0020
38 #define MANUFACTURER_TOSHIBA 0x0098
39 #define MANUFACTURER_WINBOND 0x00da
40
41
42 /* AMD */
43 #define AM29DL800BB 0x22C8
44 #define AM29DL800BT 0x224A
45
46 #define AM29F800BB 0x2258
47 #define AM29F800BT 0x22D6
48 #define AM29LV400BB 0x22BA
49 #define AM29LV400BT 0x22B9
50 #define AM29LV800BB 0x225B
51 #define AM29LV800BT 0x22DA
52 #define AM29LV160DT 0x22C4
53 #define AM29LV160DB 0x2249
54 #define AM29F017D 0x003D
55 #define AM29F016D 0x00AD
56 #define AM29F080 0x00D5
57 #define AM29F040 0x00A4
58 #define AM29LV040B 0x004F
59 #define AM29F032B 0x0041
60 #define AM29F002T 0x00B0
61
62 /* Atmel */
63 #define AT49BV512 0x0003
64 #define AT29LV512 0x003d
65 #define AT49BV16X 0x00C0
66 #define AT49BV16XT 0x00C2
67 #define AT49BV32X 0x00C8
68 #define AT49BV32XT 0x00C9
69
70 /* Fujitsu */
71 #define MBM29F040C 0x00A4
72 #define MBM29F800BA 0x2258
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 M29F800AB 0x0058
133 #define M29W800DT 0x00D7
134 #define M29W800DB 0x005B
135 #define M29W160DT 0x22C4
136 #define M29W160DB 0x2249
137 #define M29W040B 0x00E3
138 #define M50FW040 0x002C
139 #define M50FW080 0x002D
140 #define M50FW016 0x002E
141 #define M50LPW080 0x002F
142
143 /* SST */
144 #define SST29EE020 0x0010
145 #define SST29LE020 0x0012
146 #define SST29EE512 0x005d
147 #define SST29LE512 0x003d
148 #define SST39LF800 0x2781
149 #define SST39LF160 0x2782
150 #define SST39VF1601 0x234b
151 #define SST39LF512 0x00D4
152 #define SST39LF010 0x00D5
153 #define SST39LF020 0x00D6
154 #define SST39LF040 0x00D7
155 #define SST39SF010A 0x00B5
156 #define SST39SF020A 0x00B6
157 #define SST49LF004B 0x0060
158 #define SST49LF040B 0x0050
159 #define SST49LF008A 0x005a
160 #define SST49LF030A 0x001C
161 #define SST49LF040A 0x0051
162 #define SST49LF080A 0x005B
163
164 /* Toshiba */
165 #define TC58FVT160 0x00C2
166 #define TC58FVB160 0x0043
167 #define TC58FVT321 0x009A
168 #define TC58FVB321 0x009C
169 #define TC58FVT641 0x0093
170 #define TC58FVB641 0x0095
171
172 /* Winbond */
173 #define W49V002A 0x00b0
174
175
176 /*
177 * Unlock address sets for AMD command sets.
178 * Intel command sets use the MTD_UADDR_UNNECESSARY.
179 * Each identifier, except MTD_UADDR_UNNECESSARY, and
180 * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
181 * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
182 * initialization need not require initializing all of the
183 * unlock addresses for all bit widths.
184 */
185 enum uaddr {
186 MTD_UADDR_NOT_SUPPORTED = 0, /* data width not supported */
187 MTD_UADDR_0x0555_0x02AA,
188 MTD_UADDR_0x0555_0x0AAA,
189 MTD_UADDR_0x5555_0x2AAA,
190 MTD_UADDR_0x0AAA_0x0555,
191 MTD_UADDR_DONT_CARE, /* Requires an arbitrary address */
192 MTD_UADDR_UNNECESSARY, /* Does not require any address */
193 };
194
195
196 struct unlock_addr {
197 uint32_t addr1;
198 uint32_t addr2;
199 };
200
201
202 /*
203 * I don't like the fact that the first entry in unlock_addrs[]
204 * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
205 * should not be used. The problem is that structures with
206 * initializers have extra fields initialized to 0. It is _very_
207 * desireable to have the unlock address entries for unsupported
208 * data widths automatically initialized - that means that
209 * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
210 * must go unused.
211 */
212 static const struct unlock_addr unlock_addrs[] = {
213 [MTD_UADDR_NOT_SUPPORTED] = {
214 .addr1 = 0xffff,
215 .addr2 = 0xffff
216 },
217
218 [MTD_UADDR_0x0555_0x02AA] = {
219 .addr1 = 0x0555,
220 .addr2 = 0x02aa
221 },
222
223 [MTD_UADDR_0x0555_0x0AAA] = {
224 .addr1 = 0x0555,
225 .addr2 = 0x0aaa
226 },
227
228 [MTD_UADDR_0x5555_0x2AAA] = {
229 .addr1 = 0x5555,
230 .addr2 = 0x2aaa
231 },
232
233 [MTD_UADDR_0x0AAA_0x0555] = {
234 .addr1 = 0x0AAA,
235 .addr2 = 0x0555
236 },
237
238 [MTD_UADDR_DONT_CARE] = {
239 .addr1 = 0x0000, /* Doesn't matter which address */
240 .addr2 = 0x0000 /* is used - must be last entry */
241 },
242
243 [MTD_UADDR_UNNECESSARY] = {
244 .addr1 = 0x0000,
245 .addr2 = 0x0000
246 }
247 };
248
249 struct amd_flash_info {
250 const char *name;
251 const uint16_t mfr_id;
252 const uint16_t dev_id;
253 const uint8_t dev_size;
254 const uint8_t nr_regions;
255 const uint16_t cmd_set;
256 const uint32_t regions[6];
257 const uint8_t devtypes; /* Bitmask for x8, x16 etc. */
258 const uint8_t uaddr; /* unlock addrs for 8, 16, 32, 64 */
259 };
260
261 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
262
263 #define SIZE_64KiB 16
264 #define SIZE_128KiB 17
265 #define SIZE_256KiB 18
266 #define SIZE_512KiB 19
267 #define SIZE_1MiB 20
268 #define SIZE_2MiB 21
269 #define SIZE_4MiB 22
270 #define SIZE_8MiB 23
271
272
273 /*
274 * Please keep this list ordered by manufacturer!
275 * Fortunately, the list isn't searched often and so a
276 * slow, linear search isn't so bad.
277 */
278 static const struct amd_flash_info jedec_table[] = {
279 {
280 .mfr_id = MANUFACTURER_AMD,
281 .dev_id = AM29F032B,
282 .name = "AMD AM29F032B",
283 .uaddr = MTD_UADDR_0x0555_0x02AA,
284 .devtypes = CFI_DEVICETYPE_X8,
285 .dev_size = SIZE_4MiB,
286 .cmd_set = P_ID_AMD_STD,
287 .nr_regions = 1,
288 .regions = {
289 ERASEINFO(0x10000,64)
290 }
291 }, {
292 .mfr_id = MANUFACTURER_AMD,
293 .dev_id = AM29LV160DT,
294 .name = "AMD AM29LV160DT",
295 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
296 .uaddr = MTD_UADDR_0x0AAA_0x0555,
297 .dev_size = SIZE_2MiB,
298 .cmd_set = P_ID_AMD_STD,
299 .nr_regions = 4,
300 .regions = {
301 ERASEINFO(0x10000,31),
302 ERASEINFO(0x08000,1),
303 ERASEINFO(0x02000,2),
304 ERASEINFO(0x04000,1)
305 }
306 }, {
307 .mfr_id = MANUFACTURER_AMD,
308 .dev_id = AM29LV160DB,
309 .name = "AMD AM29LV160DB",
310 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
311 .uaddr = MTD_UADDR_0x0AAA_0x0555,
312 .dev_size = SIZE_2MiB,
313 .cmd_set = P_ID_AMD_STD,
314 .nr_regions = 4,
315 .regions = {
316 ERASEINFO(0x04000,1),
317 ERASEINFO(0x02000,2),
318 ERASEINFO(0x08000,1),
319 ERASEINFO(0x10000,31)
320 }
321 }, {
322 .mfr_id = MANUFACTURER_AMD,
323 .dev_id = AM29LV400BB,
324 .name = "AMD AM29LV400BB",
325 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
326 .uaddr = MTD_UADDR_0x0AAA_0x0555,
327 .dev_size = SIZE_512KiB,
328 .cmd_set = P_ID_AMD_STD,
329 .nr_regions = 4,
330 .regions = {
331 ERASEINFO(0x04000,1),
332 ERASEINFO(0x02000,2),
333 ERASEINFO(0x08000,1),
334 ERASEINFO(0x10000,7)
335 }
336 }, {
337 .mfr_id = MANUFACTURER_AMD,
338 .dev_id = AM29LV400BT,
339 .name = "AMD AM29LV400BT",
340 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
341 .uaddr = MTD_UADDR_0x0AAA_0x0555,
342 .dev_size = SIZE_512KiB,
343 .cmd_set = P_ID_AMD_STD,
344 .nr_regions = 4,
345 .regions = {
346 ERASEINFO(0x10000,7),
347 ERASEINFO(0x08000,1),
348 ERASEINFO(0x02000,2),
349 ERASEINFO(0x04000,1)
350 }
351 }, {
352 .mfr_id = MANUFACTURER_AMD,
353 .dev_id = AM29LV800BB,
354 .name = "AMD AM29LV800BB",
355 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
356 .uaddr = MTD_UADDR_0x0AAA_0x0555,
357 .dev_size = SIZE_1MiB,
358 .cmd_set = P_ID_AMD_STD,
359 .nr_regions = 4,
360 .regions = {
361 ERASEINFO(0x04000,1),
362 ERASEINFO(0x02000,2),
363 ERASEINFO(0x08000,1),
364 ERASEINFO(0x10000,15),
365 }
366 }, {
367 /* add DL */
368 .mfr_id = MANUFACTURER_AMD,
369 .dev_id = AM29DL800BB,
370 .name = "AMD AM29DL800BB",
371 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
372 .uaddr = MTD_UADDR_0x0AAA_0x0555,
373 .dev_size = SIZE_1MiB,
374 .cmd_set = P_ID_AMD_STD,
375 .nr_regions = 6,
376 .regions = {
377 ERASEINFO(0x04000,1),
378 ERASEINFO(0x08000,1),
379 ERASEINFO(0x02000,4),
380 ERASEINFO(0x08000,1),
381 ERASEINFO(0x04000,1),
382 ERASEINFO(0x10000,14)
383 }
384 }, {
385 .mfr_id = MANUFACTURER_AMD,
386 .dev_id = AM29DL800BT,
387 .name = "AMD AM29DL800BT",
388 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
389 .uaddr = MTD_UADDR_0x0AAA_0x0555,
390 .dev_size = SIZE_1MiB,
391 .cmd_set = P_ID_AMD_STD,
392 .nr_regions = 6,
393 .regions = {
394 ERASEINFO(0x10000,14),
395 ERASEINFO(0x04000,1),
396 ERASEINFO(0x08000,1),
397 ERASEINFO(0x02000,4),
398 ERASEINFO(0x08000,1),
399 ERASEINFO(0x04000,1)
400 }
401 }, {
402 .mfr_id = MANUFACTURER_AMD,
403 .dev_id = AM29F800BB,
404 .name = "AMD AM29F800BB",
405 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
406 .uaddr = MTD_UADDR_0x0AAA_0x0555,
407 .dev_size = SIZE_1MiB,
408 .cmd_set = P_ID_AMD_STD,
409 .nr_regions = 4,
410 .regions = {
411 ERASEINFO(0x04000,1),
412 ERASEINFO(0x02000,2),
413 ERASEINFO(0x08000,1),
414 ERASEINFO(0x10000,15),
415 }
416 }, {
417 .mfr_id = MANUFACTURER_AMD,
418 .dev_id = AM29LV800BT,
419 .name = "AMD AM29LV800BT",
420 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
421 .uaddr = MTD_UADDR_0x0AAA_0x0555,
422 .dev_size = SIZE_1MiB,
423 .cmd_set = P_ID_AMD_STD,
424 .nr_regions = 4,
425 .regions = {
426 ERASEINFO(0x10000,15),
427 ERASEINFO(0x08000,1),
428 ERASEINFO(0x02000,2),
429 ERASEINFO(0x04000,1)
430 }
431 }, {
432 .mfr_id = MANUFACTURER_AMD,
433 .dev_id = AM29F800BT,
434 .name = "AMD AM29F800BT",
435 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
436 .uaddr = MTD_UADDR_0x0AAA_0x0555,
437 .dev_size = SIZE_1MiB,
438 .cmd_set = P_ID_AMD_STD,
439 .nr_regions = 4,
440 .regions = {
441 ERASEINFO(0x10000,15),
442 ERASEINFO(0x08000,1),
443 ERASEINFO(0x02000,2),
444 ERASEINFO(0x04000,1)
445 }
446 }, {
447 .mfr_id = MANUFACTURER_AMD,
448 .dev_id = AM29F017D,
449 .name = "AMD AM29F017D",
450 .devtypes = CFI_DEVICETYPE_X8,
451 .uaddr = MTD_UADDR_DONT_CARE,
452 .dev_size = SIZE_2MiB,
453 .cmd_set = P_ID_AMD_STD,
454 .nr_regions = 1,
455 .regions = {
456 ERASEINFO(0x10000,32),
457 }
458 }, {
459 .mfr_id = MANUFACTURER_AMD,
460 .dev_id = AM29F016D,
461 .name = "AMD AM29F016D",
462 .devtypes = CFI_DEVICETYPE_X8,
463 .uaddr = MTD_UADDR_0x0555_0x02AA,
464 .dev_size = SIZE_2MiB,
465 .cmd_set = P_ID_AMD_STD,
466 .nr_regions = 1,
467 .regions = {
468 ERASEINFO(0x10000,32),
469 }
470 }, {
471 .mfr_id = MANUFACTURER_AMD,
472 .dev_id = AM29F080,
473 .name = "AMD AM29F080",
474 .devtypes = CFI_DEVICETYPE_X8,
475 .uaddr = MTD_UADDR_0x0555_0x02AA,
476 .dev_size = SIZE_1MiB,
477 .cmd_set = P_ID_AMD_STD,
478 .nr_regions = 1,
479 .regions = {
480 ERASEINFO(0x10000,16),
481 }
482 }, {
483 .mfr_id = MANUFACTURER_AMD,
484 .dev_id = AM29F040,
485 .name = "AMD AM29F040",
486 .devtypes = CFI_DEVICETYPE_X8,
487 .uaddr = MTD_UADDR_0x0555_0x02AA,
488 .dev_size = SIZE_512KiB,
489 .cmd_set = P_ID_AMD_STD,
490 .nr_regions = 1,
491 .regions = {
492 ERASEINFO(0x10000,8),
493 }
494 }, {
495 .mfr_id = MANUFACTURER_AMD,
496 .dev_id = AM29LV040B,
497 .name = "AMD AM29LV040B",
498 .devtypes = CFI_DEVICETYPE_X8,
499 .uaddr = MTD_UADDR_0x0555_0x02AA,
500 .dev_size = SIZE_512KiB,
501 .cmd_set = P_ID_AMD_STD,
502 .nr_regions = 1,
503 .regions = {
504 ERASEINFO(0x10000,8),
505 }
506 }, {
507 .mfr_id = MANUFACTURER_AMD,
508 .dev_id = AM29F002T,
509 .name = "AMD AM29F002T",
510 .devtypes = CFI_DEVICETYPE_X8,
511 .uaddr = MTD_UADDR_0x0555_0x02AA,
512 .dev_size = SIZE_256KiB,
513 .cmd_set = P_ID_AMD_STD,
514 .nr_regions = 4,
515 .regions = {
516 ERASEINFO(0x10000,3),
517 ERASEINFO(0x08000,1),
518 ERASEINFO(0x02000,2),
519 ERASEINFO(0x04000,1),
520 }
521 }, {
522 .mfr_id = MANUFACTURER_ATMEL,
523 .dev_id = AT49BV512,
524 .name = "Atmel AT49BV512",
525 .devtypes = CFI_DEVICETYPE_X8,
526 .uaddr = MTD_UADDR_0x5555_0x2AAA,
527 .dev_size = SIZE_64KiB,
528 .cmd_set = P_ID_AMD_STD,
529 .nr_regions = 1,
530 .regions = {
531 ERASEINFO(0x10000,1)
532 }
533 }, {
534 .mfr_id = MANUFACTURER_ATMEL,
535 .dev_id = AT29LV512,
536 .name = "Atmel AT29LV512",
537 .devtypes = CFI_DEVICETYPE_X8,
538 .uaddr = MTD_UADDR_0x5555_0x2AAA,
539 .dev_size = SIZE_64KiB,
540 .cmd_set = P_ID_AMD_STD,
541 .nr_regions = 1,
542 .regions = {
543 ERASEINFO(0x80,256),
544 ERASEINFO(0x80,256)
545 }
546 }, {
547 .mfr_id = MANUFACTURER_ATMEL,
548 .dev_id = AT49BV16X,
549 .name = "Atmel AT49BV16X",
550 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
551 .uaddr = MTD_UADDR_0x0555_0x0AAA, /* ???? */
552 .dev_size = SIZE_2MiB,
553 .cmd_set = P_ID_AMD_STD,
554 .nr_regions = 2,
555 .regions = {
556 ERASEINFO(0x02000,8),
557 ERASEINFO(0x10000,31)
558 }
559 }, {
560 .mfr_id = MANUFACTURER_ATMEL,
561 .dev_id = AT49BV16XT,
562 .name = "Atmel AT49BV16XT",
563 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
564 .uaddr = MTD_UADDR_0x0555_0x0AAA, /* ???? */
565 .dev_size = SIZE_2MiB,
566 .cmd_set = P_ID_AMD_STD,
567 .nr_regions = 2,
568 .regions = {
569 ERASEINFO(0x10000,31),
570 ERASEINFO(0x02000,8)
571 }
572 }, {
573 .mfr_id = MANUFACTURER_ATMEL,
574 .dev_id = AT49BV32X,
575 .name = "Atmel AT49BV32X",
576 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
577 .uaddr = MTD_UADDR_0x0555_0x0AAA, /* ???? */
578 .dev_size = SIZE_4MiB,
579 .cmd_set = P_ID_AMD_STD,
580 .nr_regions = 2,
581 .regions = {
582 ERASEINFO(0x02000,8),
583 ERASEINFO(0x10000,63)
584 }
585 }, {
586 .mfr_id = MANUFACTURER_ATMEL,
587 .dev_id = AT49BV32XT,
588 .name = "Atmel AT49BV32XT",
589 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
590 .uaddr = MTD_UADDR_0x0555_0x0AAA, /* ???? */
591 .dev_size = SIZE_4MiB,
592 .cmd_set = P_ID_AMD_STD,
593 .nr_regions = 2,
594 .regions = {
595 ERASEINFO(0x10000,63),
596 ERASEINFO(0x02000,8)
597 }
598 }, {
599 .mfr_id = MANUFACTURER_FUJITSU,
600 .dev_id = MBM29F040C,
601 .name = "Fujitsu MBM29F040C",
602 .devtypes = CFI_DEVICETYPE_X8,
603 .uaddr = MTD_UADDR_0x0AAA_0x0555,
604 .dev_size = SIZE_512KiB,
605 .cmd_set = P_ID_AMD_STD,
606 .nr_regions = 1,
607 .regions = {
608 ERASEINFO(0x10000,8)
609 }
610 }, {
611 .mfr_id = MANUFACTURER_FUJITSU,
612 .dev_id = MBM29F800BA,
613 .name = "Fujitsu MBM29F800BA",
614 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
615 .uaddr = MTD_UADDR_0x0AAA_0x0555,
616 .dev_size = SIZE_1MiB,
617 .cmd_set = P_ID_AMD_STD,
618 .nr_regions = 4,
619 .regions = {
620 ERASEINFO(0x04000,1),
621 ERASEINFO(0x02000,2),
622 ERASEINFO(0x08000,1),
623 ERASEINFO(0x10000,15),
624 }
625 }, {
626 .mfr_id = MANUFACTURER_FUJITSU,
627 .dev_id = MBM29LV650UE,
628 .name = "Fujitsu MBM29LV650UE",
629 .devtypes = CFI_DEVICETYPE_X8,
630 .uaddr = MTD_UADDR_DONT_CARE,
631 .dev_size = SIZE_8MiB,
632 .cmd_set = P_ID_AMD_STD,
633 .nr_regions = 1,
634 .regions = {
635 ERASEINFO(0x10000,128)
636 }
637 }, {
638 .mfr_id = MANUFACTURER_FUJITSU,
639 .dev_id = MBM29LV320TE,
640 .name = "Fujitsu MBM29LV320TE",
641 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
642 .uaddr = MTD_UADDR_0x0AAA_0x0555,
643 .dev_size = SIZE_4MiB,
644 .cmd_set = P_ID_AMD_STD,
645 .nr_regions = 2,
646 .regions = {
647 ERASEINFO(0x10000,63),
648 ERASEINFO(0x02000,8)
649 }
650 }, {
651 .mfr_id = MANUFACTURER_FUJITSU,
652 .dev_id = MBM29LV320BE,
653 .name = "Fujitsu MBM29LV320BE",
654 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
655 .uaddr = MTD_UADDR_0x0AAA_0x0555,
656 .dev_size = SIZE_4MiB,
657 .cmd_set = P_ID_AMD_STD,
658 .nr_regions = 2,
659 .regions = {
660 ERASEINFO(0x02000,8),
661 ERASEINFO(0x10000,63)
662 }
663 }, {
664 .mfr_id = MANUFACTURER_FUJITSU,
665 .dev_id = MBM29LV160TE,
666 .name = "Fujitsu MBM29LV160TE",
667 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
668 .uaddr = MTD_UADDR_0x0AAA_0x0555,
669 .dev_size = SIZE_2MiB,
670 .cmd_set = P_ID_AMD_STD,
671 .nr_regions = 4,
672 .regions = {
673 ERASEINFO(0x10000,31),
674 ERASEINFO(0x08000,1),
675 ERASEINFO(0x02000,2),
676 ERASEINFO(0x04000,1)
677 }
678 }, {
679 .mfr_id = MANUFACTURER_FUJITSU,
680 .dev_id = MBM29LV160BE,
681 .name = "Fujitsu MBM29LV160BE",
682 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
683 .uaddr = MTD_UADDR_0x0AAA_0x0555,
684 .dev_size = SIZE_2MiB,
685 .cmd_set = P_ID_AMD_STD,
686 .nr_regions = 4,
687 .regions = {
688 ERASEINFO(0x04000,1),
689 ERASEINFO(0x02000,2),
690 ERASEINFO(0x08000,1),
691 ERASEINFO(0x10000,31)
692 }
693 }, {
694 .mfr_id = MANUFACTURER_FUJITSU,
695 .dev_id = MBM29LV800BA,
696 .name = "Fujitsu MBM29LV800BA",
697 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
698 .uaddr = MTD_UADDR_0x0AAA_0x0555,
699 .dev_size = SIZE_1MiB,
700 .cmd_set = P_ID_AMD_STD,
701 .nr_regions = 4,
702 .regions = {
703 ERASEINFO(0x04000,1),
704 ERASEINFO(0x02000,2),
705 ERASEINFO(0x08000,1),
706 ERASEINFO(0x10000,15)
707 }
708 }, {
709 .mfr_id = MANUFACTURER_FUJITSU,
710 .dev_id = MBM29LV800TA,
711 .name = "Fujitsu MBM29LV800TA",
712 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
713 .uaddr = MTD_UADDR_0x0AAA_0x0555,
714 .dev_size = SIZE_1MiB,
715 .cmd_set = P_ID_AMD_STD,
716 .nr_regions = 4,
717 .regions = {
718 ERASEINFO(0x10000,15),
719 ERASEINFO(0x08000,1),
720 ERASEINFO(0x02000,2),
721 ERASEINFO(0x04000,1)
722 }
723 }, {
724 .mfr_id = MANUFACTURER_FUJITSU,
725 .dev_id = MBM29LV400BC,
726 .name = "Fujitsu MBM29LV400BC",
727 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
728 .uaddr = MTD_UADDR_0x0AAA_0x0555,
729 .dev_size = SIZE_512KiB,
730 .cmd_set = P_ID_AMD_STD,
731 .nr_regions = 4,
732 .regions = {
733 ERASEINFO(0x04000,1),
734 ERASEINFO(0x02000,2),
735 ERASEINFO(0x08000,1),
736 ERASEINFO(0x10000,7)
737 }
738 }, {
739 .mfr_id = MANUFACTURER_FUJITSU,
740 .dev_id = MBM29LV400TC,
741 .name = "Fujitsu MBM29LV400TC",
742 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
743 .uaddr = MTD_UADDR_0x0AAA_0x0555,
744 .dev_size = SIZE_512KiB,
745 .cmd_set = P_ID_AMD_STD,
746 .nr_regions = 4,
747 .regions = {
748 ERASEINFO(0x10000,7),
749 ERASEINFO(0x08000,1),
750 ERASEINFO(0x02000,2),
751 ERASEINFO(0x04000,1)
752 }
753 }, {
754 .mfr_id = MANUFACTURER_HYUNDAI,
755 .dev_id = HY29F002T,
756 .name = "Hyundai HY29F002T",
757 .devtypes = CFI_DEVICETYPE_X8,
758 .uaddr = MTD_UADDR_0x0555_0x02AA,
759 .dev_size = SIZE_256KiB,
760 .cmd_set = P_ID_AMD_STD,
761 .nr_regions = 4,
762 .regions = {
763 ERASEINFO(0x10000,3),
764 ERASEINFO(0x08000,1),
765 ERASEINFO(0x02000,2),
766 ERASEINFO(0x04000,1),
767 }
768 }, {
769 .mfr_id = MANUFACTURER_INTEL,
770 .dev_id = I28F004B3B,
771 .name = "Intel 28F004B3B",
772 .devtypes = CFI_DEVICETYPE_X8,
773 .uaddr = MTD_UADDR_UNNECESSARY,
774 .dev_size = SIZE_512KiB,
775 .cmd_set = P_ID_INTEL_STD,
776 .nr_regions = 2,
777 .regions = {
778 ERASEINFO(0x02000, 8),
779 ERASEINFO(0x10000, 7),
780 }
781 }, {
782 .mfr_id = MANUFACTURER_INTEL,
783 .dev_id = I28F004B3T,
784 .name = "Intel 28F004B3T",
785 .devtypes = CFI_DEVICETYPE_X8,
786 .uaddr = MTD_UADDR_UNNECESSARY,
787 .dev_size = SIZE_512KiB,
788 .cmd_set = P_ID_INTEL_STD,
789 .nr_regions = 2,
790 .regions = {
791 ERASEINFO(0x10000, 7),
792 ERASEINFO(0x02000, 8),
793 }
794 }, {
795 .mfr_id = MANUFACTURER_INTEL,
796 .dev_id = I28F400B3B,
797 .name = "Intel 28F400B3B",
798 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
799 .uaddr = MTD_UADDR_UNNECESSARY,
800 .dev_size = SIZE_512KiB,
801 .cmd_set = P_ID_INTEL_STD,
802 .nr_regions = 2,
803 .regions = {
804 ERASEINFO(0x02000, 8),
805 ERASEINFO(0x10000, 7),
806 }
807 }, {
808 .mfr_id = MANUFACTURER_INTEL,
809 .dev_id = I28F400B3T,
810 .name = "Intel 28F400B3T",
811 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
812 .uaddr = MTD_UADDR_UNNECESSARY,
813 .dev_size = SIZE_512KiB,
814 .cmd_set = P_ID_INTEL_STD,
815 .nr_regions = 2,
816 .regions = {
817 ERASEINFO(0x10000, 7),
818 ERASEINFO(0x02000, 8),
819 }
820 }, {
821 .mfr_id = MANUFACTURER_INTEL,
822 .dev_id = I28F008B3B,
823 .name = "Intel 28F008B3B",
824 .devtypes = CFI_DEVICETYPE_X8,
825 .uaddr = MTD_UADDR_UNNECESSARY,
826 .dev_size = SIZE_1MiB,
827 .cmd_set = P_ID_INTEL_STD,
828 .nr_regions = 2,
829 .regions = {
830 ERASEINFO(0x02000, 8),
831 ERASEINFO(0x10000, 15),
832 }
833 }, {
834 .mfr_id = MANUFACTURER_INTEL,
835 .dev_id = I28F008B3T,
836 .name = "Intel 28F008B3T",
837 .devtypes = CFI_DEVICETYPE_X8,
838 .uaddr = MTD_UADDR_UNNECESSARY,
839 .dev_size = SIZE_1MiB,
840 .cmd_set = P_ID_INTEL_STD,
841 .nr_regions = 2,
842 .regions = {
843 ERASEINFO(0x10000, 15),
844 ERASEINFO(0x02000, 8),
845 }
846 }, {
847 .mfr_id = MANUFACTURER_INTEL,
848 .dev_id = I28F008S5,
849 .name = "Intel 28F008S5",
850 .devtypes = CFI_DEVICETYPE_X8,
851 .uaddr = MTD_UADDR_UNNECESSARY,
852 .dev_size = SIZE_1MiB,
853 .cmd_set = P_ID_INTEL_EXT,
854 .nr_regions = 1,
855 .regions = {
856 ERASEINFO(0x10000,16),
857 }
858 }, {
859 .mfr_id = MANUFACTURER_INTEL,
860 .dev_id = I28F016S5,
861 .name = "Intel 28F016S5",
862 .devtypes = CFI_DEVICETYPE_X8,
863 .uaddr = MTD_UADDR_UNNECESSARY,
864 .dev_size = SIZE_2MiB,
865 .cmd_set = P_ID_INTEL_EXT,
866 .nr_regions = 1,
867 .regions = {
868 ERASEINFO(0x10000,32),
869 }
870 }, {
871 .mfr_id = MANUFACTURER_INTEL,
872 .dev_id = I28F008SA,
873 .name = "Intel 28F008SA",
874 .devtypes = CFI_DEVICETYPE_X8,
875 .uaddr = MTD_UADDR_UNNECESSARY,
876 .dev_size = SIZE_1MiB,
877 .cmd_set = P_ID_INTEL_STD,
878 .nr_regions = 1,
879 .regions = {
880 ERASEINFO(0x10000, 16),
881 }
882 }, {
883 .mfr_id = MANUFACTURER_INTEL,
884 .dev_id = I28F800B3B,
885 .name = "Intel 28F800B3B",
886 .devtypes = CFI_DEVICETYPE_X16,
887 .uaddr = MTD_UADDR_UNNECESSARY,
888 .dev_size = SIZE_1MiB,
889 .cmd_set = P_ID_INTEL_STD,
890 .nr_regions = 2,
891 .regions = {
892 ERASEINFO(0x02000, 8),
893 ERASEINFO(0x10000, 15),
894 }
895 }, {
896 .mfr_id = MANUFACTURER_INTEL,
897 .dev_id = I28F800B3T,
898 .name = "Intel 28F800B3T",
899 .devtypes = CFI_DEVICETYPE_X16,
900 .uaddr = MTD_UADDR_UNNECESSARY,
901 .dev_size = SIZE_1MiB,
902 .cmd_set = P_ID_INTEL_STD,
903 .nr_regions = 2,
904 .regions = {
905 ERASEINFO(0x10000, 15),
906 ERASEINFO(0x02000, 8),
907 }
908 }, {
909 .mfr_id = MANUFACTURER_INTEL,
910 .dev_id = I28F016B3B,
911 .name = "Intel 28F016B3B",
912 .devtypes = CFI_DEVICETYPE_X8,
913 .uaddr = MTD_UADDR_UNNECESSARY,
914 .dev_size = SIZE_2MiB,
915 .cmd_set = P_ID_INTEL_STD,
916 .nr_regions = 2,
917 .regions = {
918 ERASEINFO(0x02000, 8),
919 ERASEINFO(0x10000, 31),
920 }
921 }, {
922 .mfr_id = MANUFACTURER_INTEL,
923 .dev_id = I28F016S3,
924 .name = "Intel I28F016S3",
925 .devtypes = CFI_DEVICETYPE_X8,
926 .uaddr = MTD_UADDR_UNNECESSARY,
927 .dev_size = SIZE_2MiB,
928 .cmd_set = P_ID_INTEL_STD,
929 .nr_regions = 1,
930 .regions = {
931 ERASEINFO(0x10000, 32),
932 }
933 }, {
934 .mfr_id = MANUFACTURER_INTEL,
935 .dev_id = I28F016B3T,
936 .name = "Intel 28F016B3T",
937 .devtypes = CFI_DEVICETYPE_X8,
938 .uaddr = MTD_UADDR_UNNECESSARY,
939 .dev_size = SIZE_2MiB,
940 .cmd_set = P_ID_INTEL_STD,
941 .nr_regions = 2,
942 .regions = {
943 ERASEINFO(0x10000, 31),
944 ERASEINFO(0x02000, 8),
945 }
946 }, {
947 .mfr_id = MANUFACTURER_INTEL,
948 .dev_id = I28F160B3B,
949 .name = "Intel 28F160B3B",
950 .devtypes = CFI_DEVICETYPE_X16,
951 .uaddr = MTD_UADDR_UNNECESSARY,
952 .dev_size = SIZE_2MiB,
953 .cmd_set = P_ID_INTEL_STD,
954 .nr_regions = 2,
955 .regions = {
956 ERASEINFO(0x02000, 8),
957 ERASEINFO(0x10000, 31),
958 }
959 }, {
960 .mfr_id = MANUFACTURER_INTEL,
961 .dev_id = I28F160B3T,
962 .name = "Intel 28F160B3T",
963 .devtypes = CFI_DEVICETYPE_X16,
964 .uaddr = MTD_UADDR_UNNECESSARY,
965 .dev_size = SIZE_2MiB,
966 .cmd_set = P_ID_INTEL_STD,
967 .nr_regions = 2,
968 .regions = {
969 ERASEINFO(0x10000, 31),
970 ERASEINFO(0x02000, 8),
971 }
972 }, {
973 .mfr_id = MANUFACTURER_INTEL,
974 .dev_id = I28F320B3B,
975 .name = "Intel 28F320B3B",
976 .devtypes = CFI_DEVICETYPE_X16,
977 .uaddr = MTD_UADDR_UNNECESSARY,
978 .dev_size = SIZE_4MiB,
979 .cmd_set = P_ID_INTEL_STD,
980 .nr_regions = 2,
981 .regions = {
982 ERASEINFO(0x02000, 8),
983 ERASEINFO(0x10000, 63),
984 }
985 }, {
986 .mfr_id = MANUFACTURER_INTEL,
987 .dev_id = I28F320B3T,
988 .name = "Intel 28F320B3T",
989 .devtypes = CFI_DEVICETYPE_X16,
990 .uaddr = MTD_UADDR_UNNECESSARY,
991 .dev_size = SIZE_4MiB,
992 .cmd_set = P_ID_INTEL_STD,
993 .nr_regions = 2,
994 .regions = {
995 ERASEINFO(0x10000, 63),
996 ERASEINFO(0x02000, 8),
997 }
998 }, {
999 .mfr_id = MANUFACTURER_INTEL,
1000 .dev_id = I28F640B3B,
1001 .name = "Intel 28F640B3B",
1002 .devtypes = CFI_DEVICETYPE_X16,
1003 .uaddr = MTD_UADDR_UNNECESSARY,
1004 .dev_size = SIZE_8MiB,
1005 .cmd_set = P_ID_INTEL_STD,
1006 .nr_regions = 2,
1007 .regions = {
1008 ERASEINFO(0x02000, 8),
1009 ERASEINFO(0x10000, 127),
1010 }
1011 }, {
1012 .mfr_id = MANUFACTURER_INTEL,
1013 .dev_id = I28F640B3T,
1014 .name = "Intel 28F640B3T",
1015 .devtypes = CFI_DEVICETYPE_X16,
1016 .uaddr = MTD_UADDR_UNNECESSARY,
1017 .dev_size = SIZE_8MiB,
1018 .cmd_set = P_ID_INTEL_STD,
1019 .nr_regions = 2,
1020 .regions = {
1021 ERASEINFO(0x10000, 127),
1022 ERASEINFO(0x02000, 8),
1023 }
1024 }, {
1025 .mfr_id = MANUFACTURER_INTEL,
1026 .dev_id = I82802AB,
1027 .name = "Intel 82802AB",
1028 .devtypes = CFI_DEVICETYPE_X8,
1029 .uaddr = MTD_UADDR_UNNECESSARY,
1030 .dev_size = SIZE_512KiB,
1031 .cmd_set = P_ID_INTEL_EXT,
1032 .nr_regions = 1,
1033 .regions = {
1034 ERASEINFO(0x10000,8),
1035 }
1036 }, {
1037 .mfr_id = MANUFACTURER_INTEL,
1038 .dev_id = I82802AC,
1039 .name = "Intel 82802AC",
1040 .devtypes = CFI_DEVICETYPE_X8,
1041 .uaddr = MTD_UADDR_UNNECESSARY,
1042 .dev_size = SIZE_1MiB,
1043 .cmd_set = P_ID_INTEL_EXT,
1044 .nr_regions = 1,
1045 .regions = {
1046 ERASEINFO(0x10000,16),
1047 }
1048 }, {
1049 .mfr_id = MANUFACTURER_MACRONIX,
1050 .dev_id = MX29LV040C,
1051 .name = "Macronix MX29LV040C",
1052 .devtypes = CFI_DEVICETYPE_X8,
1053 .uaddr = MTD_UADDR_0x0555_0x02AA,
1054 .dev_size = SIZE_512KiB,
1055 .cmd_set = P_ID_AMD_STD,
1056 .nr_regions = 1,
1057 .regions = {
1058 ERASEINFO(0x10000,8),
1059 }
1060 }, {
1061 .mfr_id = MANUFACTURER_MACRONIX,
1062 .dev_id = MX29LV160T,
1063 .name = "MXIC MX29LV160T",
1064 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1065 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1066 .dev_size = SIZE_2MiB,
1067 .cmd_set = P_ID_AMD_STD,
1068 .nr_regions = 4,
1069 .regions = {
1070 ERASEINFO(0x10000,31),
1071 ERASEINFO(0x08000,1),
1072 ERASEINFO(0x02000,2),
1073 ERASEINFO(0x04000,1)
1074 }
1075 }, {
1076 .mfr_id = MANUFACTURER_NEC,
1077 .dev_id = UPD29F064115,
1078 .name = "NEC uPD29F064115",
1079 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1080 .uaddr = MTD_UADDR_0x0555_0x02AA, /* ???? */
1081 .dev_size = SIZE_8MiB,
1082 .cmd_set = P_ID_AMD_STD,
1083 .nr_regions = 3,
1084 .regions = {
1085 ERASEINFO(0x2000,8),
1086 ERASEINFO(0x10000,126),
1087 ERASEINFO(0x2000,8),
1088 }
1089 }, {
1090 .mfr_id = MANUFACTURER_MACRONIX,
1091 .dev_id = MX29LV160B,
1092 .name = "MXIC MX29LV160B",
1093 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1094 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1095 .dev_size = SIZE_2MiB,
1096 .cmd_set = P_ID_AMD_STD,
1097 .nr_regions = 4,
1098 .regions = {
1099 ERASEINFO(0x04000,1),
1100 ERASEINFO(0x02000,2),
1101 ERASEINFO(0x08000,1),
1102 ERASEINFO(0x10000,31)
1103 }
1104 }, {
1105 .mfr_id = MANUFACTURER_MACRONIX,
1106 .dev_id = MX29F040,
1107 .name = "Macronix MX29F040",
1108 .devtypes = CFI_DEVICETYPE_X8,
1109 .uaddr = MTD_UADDR_0x0555_0x02AA,
1110 .dev_size = SIZE_512KiB,
1111 .cmd_set = P_ID_AMD_STD,
1112 .nr_regions = 1,
1113 .regions = {
1114 ERASEINFO(0x10000,8),
1115 }
1116 }, {
1117 .mfr_id = MANUFACTURER_MACRONIX,
1118 .dev_id = MX29F016,
1119 .name = "Macronix MX29F016",
1120 .devtypes = CFI_DEVICETYPE_X8,
1121 .uaddr = MTD_UADDR_0x0555_0x02AA,
1122 .dev_size = SIZE_2MiB,
1123 .cmd_set = P_ID_AMD_STD,
1124 .nr_regions = 1,
1125 .regions = {
1126 ERASEINFO(0x10000,32),
1127 }
1128 }, {
1129 .mfr_id = MANUFACTURER_MACRONIX,
1130 .dev_id = MX29F004T,
1131 .name = "Macronix MX29F004T",
1132 .devtypes = CFI_DEVICETYPE_X8,
1133 .uaddr = MTD_UADDR_0x0555_0x02AA,
1134 .dev_size = SIZE_512KiB,
1135 .cmd_set = P_ID_AMD_STD,
1136 .nr_regions = 4,
1137 .regions = {
1138 ERASEINFO(0x10000,7),
1139 ERASEINFO(0x08000,1),
1140 ERASEINFO(0x02000,2),
1141 ERASEINFO(0x04000,1),
1142 }
1143 }, {
1144 .mfr_id = MANUFACTURER_MACRONIX,
1145 .dev_id = MX29F004B,
1146 .name = "Macronix MX29F004B",
1147 .devtypes = CFI_DEVICETYPE_X8,
1148 .uaddr = MTD_UADDR_0x0555_0x02AA,
1149 .dev_size = SIZE_512KiB,
1150 .cmd_set = P_ID_AMD_STD,
1151 .nr_regions = 4,
1152 .regions = {
1153 ERASEINFO(0x04000,1),
1154 ERASEINFO(0x02000,2),
1155 ERASEINFO(0x08000,1),
1156 ERASEINFO(0x10000,7),
1157 }
1158 }, {
1159 .mfr_id = MANUFACTURER_MACRONIX,
1160 .dev_id = MX29F002T,
1161 .name = "Macronix MX29F002T",
1162 .devtypes = CFI_DEVICETYPE_X8,
1163 .uaddr = MTD_UADDR_0x0555_0x02AA,
1164 .dev_size = SIZE_256KiB,
1165 .cmd_set = P_ID_AMD_STD,
1166 .nr_regions = 4,
1167 .regions = {
1168 ERASEINFO(0x10000,3),
1169 ERASEINFO(0x08000,1),
1170 ERASEINFO(0x02000,2),
1171 ERASEINFO(0x04000,1),
1172 }
1173 }, {
1174 .mfr_id = MANUFACTURER_PMC,
1175 .dev_id = PM49FL002,
1176 .name = "PMC Pm49FL002",
1177 .devtypes = CFI_DEVICETYPE_X8,
1178 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1179 .dev_size = SIZE_256KiB,
1180 .cmd_set = P_ID_AMD_STD,
1181 .nr_regions = 1,
1182 .regions = {
1183 ERASEINFO( 0x01000, 64 )
1184 }
1185 }, {
1186 .mfr_id = MANUFACTURER_PMC,
1187 .dev_id = PM49FL004,
1188 .name = "PMC Pm49FL004",
1189 .devtypes = CFI_DEVICETYPE_X8,
1190 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1191 .dev_size = SIZE_512KiB,
1192 .cmd_set = P_ID_AMD_STD,
1193 .nr_regions = 1,
1194 .regions = {
1195 ERASEINFO( 0x01000, 128 )
1196 }
1197 }, {
1198 .mfr_id = MANUFACTURER_PMC,
1199 .dev_id = PM49FL008,
1200 .name = "PMC Pm49FL008",
1201 .devtypes = CFI_DEVICETYPE_X8,
1202 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1203 .dev_size = SIZE_1MiB,
1204 .cmd_set = P_ID_AMD_STD,
1205 .nr_regions = 1,
1206 .regions = {
1207 ERASEINFO( 0x01000, 256 )
1208 }
1209 }, {
1210 .mfr_id = MANUFACTURER_SHARP,
1211 .dev_id = LH28F640BF,
1212 .name = "LH28F640BF",
1213 .devtypes = CFI_DEVICETYPE_X8,
1214 .uaddr = MTD_UADDR_UNNECESSARY,
1215 .dev_size = SIZE_4MiB,
1216 .cmd_set = P_ID_INTEL_STD,
1217 .nr_regions = 1,
1218 .regions = {
1219 ERASEINFO(0x40000,16),
1220 }
1221 }, {
1222 .mfr_id = MANUFACTURER_SST,
1223 .dev_id = SST39LF512,
1224 .name = "SST 39LF512",
1225 .devtypes = CFI_DEVICETYPE_X8,
1226 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1227 .dev_size = SIZE_64KiB,
1228 .cmd_set = P_ID_AMD_STD,
1229 .nr_regions = 1,
1230 .regions = {
1231 ERASEINFO(0x01000,16),
1232 }
1233 }, {
1234 .mfr_id = MANUFACTURER_SST,
1235 .dev_id = SST39LF010,
1236 .name = "SST 39LF010",
1237 .devtypes = CFI_DEVICETYPE_X8,
1238 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1239 .dev_size = SIZE_128KiB,
1240 .cmd_set = P_ID_AMD_STD,
1241 .nr_regions = 1,
1242 .regions = {
1243 ERASEINFO(0x01000,32),
1244 }
1245 }, {
1246 .mfr_id = MANUFACTURER_SST,
1247 .dev_id = SST29EE020,
1248 .name = "SST 29EE020",
1249 .devtypes = CFI_DEVICETYPE_X8,
1250 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1251 .dev_size = SIZE_256KiB,
1252 .cmd_set = P_ID_SST_PAGE,
1253 .nr_regions = 1,
1254 .regions = {ERASEINFO(0x01000,64),
1255 }
1256 }, {
1257 .mfr_id = MANUFACTURER_SST,
1258 .dev_id = SST29LE020,
1259 .name = "SST 29LE020",
1260 .devtypes = CFI_DEVICETYPE_X8,
1261 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1262 .dev_size = SIZE_256KiB,
1263 .cmd_set = P_ID_SST_PAGE,
1264 .nr_regions = 1,
1265 .regions = {ERASEINFO(0x01000,64),
1266 }
1267 }, {
1268 .mfr_id = MANUFACTURER_SST,
1269 .dev_id = SST39LF020,
1270 .name = "SST 39LF020",
1271 .devtypes = CFI_DEVICETYPE_X8,
1272 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1273 .dev_size = SIZE_256KiB,
1274 .cmd_set = P_ID_AMD_STD,
1275 .nr_regions = 1,
1276 .regions = {
1277 ERASEINFO(0x01000,64),
1278 }
1279 }, {
1280 .mfr_id = MANUFACTURER_SST,
1281 .dev_id = SST39LF040,
1282 .name = "SST 39LF040",
1283 .devtypes = CFI_DEVICETYPE_X8,
1284 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1285 .dev_size = SIZE_512KiB,
1286 .cmd_set = P_ID_AMD_STD,
1287 .nr_regions = 1,
1288 .regions = {
1289 ERASEINFO(0x01000,128),
1290 }
1291 }, {
1292 .mfr_id = MANUFACTURER_SST,
1293 .dev_id = SST39SF010A,
1294 .name = "SST 39SF010A",
1295 .devtypes = CFI_DEVICETYPE_X8,
1296 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1297 .dev_size = SIZE_128KiB,
1298 .cmd_set = P_ID_AMD_STD,
1299 .nr_regions = 1,
1300 .regions = {
1301 ERASEINFO(0x01000,32),
1302 }
1303 }, {
1304 .mfr_id = MANUFACTURER_SST,
1305 .dev_id = SST39SF020A,
1306 .name = "SST 39SF020A",
1307 .devtypes = CFI_DEVICETYPE_X8,
1308 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1309 .dev_size = SIZE_256KiB,
1310 .cmd_set = P_ID_AMD_STD,
1311 .nr_regions = 1,
1312 .regions = {
1313 ERASEINFO(0x01000,64),
1314 }
1315 }, {
1316 .mfr_id = MANUFACTURER_SST,
1317 .dev_id = SST49LF040B,
1318 .name = "SST 49LF040B",
1319 .devtypes = CFI_DEVICETYPE_X8,
1320 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1321 .dev_size = SIZE_512KiB,
1322 .cmd_set = P_ID_AMD_STD,
1323 .nr_regions = 1,
1324 .regions = {
1325 ERASEINFO(0x01000,128),
1326 }
1327 }, {
1328
1329 .mfr_id = MANUFACTURER_SST,
1330 .dev_id = SST49LF004B,
1331 .name = "SST 49LF004B",
1332 .devtypes = CFI_DEVICETYPE_X8,
1333 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1334 .dev_size = SIZE_512KiB,
1335 .cmd_set = P_ID_AMD_STD,
1336 .nr_regions = 1,
1337 .regions = {
1338 ERASEINFO(0x01000,128),
1339 }
1340 }, {
1341 .mfr_id = MANUFACTURER_SST,
1342 .dev_id = SST49LF008A,
1343 .name = "SST 49LF008A",
1344 .devtypes = CFI_DEVICETYPE_X8,
1345 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1346 .dev_size = SIZE_1MiB,
1347 .cmd_set = P_ID_AMD_STD,
1348 .nr_regions = 1,
1349 .regions = {
1350 ERASEINFO(0x01000,256),
1351 }
1352 }, {
1353 .mfr_id = MANUFACTURER_SST,
1354 .dev_id = SST49LF030A,
1355 .name = "SST 49LF030A",
1356 .devtypes = CFI_DEVICETYPE_X8,
1357 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1358 .dev_size = SIZE_512KiB,
1359 .cmd_set = P_ID_AMD_STD,
1360 .nr_regions = 1,
1361 .regions = {
1362 ERASEINFO(0x01000,96),
1363 }
1364 }, {
1365 .mfr_id = MANUFACTURER_SST,
1366 .dev_id = SST49LF040A,
1367 .name = "SST 49LF040A",
1368 .devtypes = CFI_DEVICETYPE_X8,
1369 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1370 .dev_size = SIZE_512KiB,
1371 .cmd_set = P_ID_AMD_STD,
1372 .nr_regions = 1,
1373 .regions = {
1374 ERASEINFO(0x01000,128),
1375 }
1376 }, {
1377 .mfr_id = MANUFACTURER_SST,
1378 .dev_id = SST49LF080A,
1379 .name = "SST 49LF080A",
1380 .devtypes = CFI_DEVICETYPE_X8,
1381 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1382 .dev_size = SIZE_1MiB,
1383 .cmd_set = P_ID_AMD_STD,
1384 .nr_regions = 1,
1385 .regions = {
1386 ERASEINFO(0x01000,256),
1387 }
1388 }, {
1389 .mfr_id = MANUFACTURER_SST, /* should be CFI */
1390 .dev_id = SST39LF160,
1391 .name = "SST 39LF160",
1392 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1393 .uaddr = MTD_UADDR_0x5555_0x2AAA, /* ???? */
1394 .dev_size = SIZE_2MiB,
1395 .cmd_set = P_ID_AMD_STD,
1396 .nr_regions = 2,
1397 .regions = {
1398 ERASEINFO(0x1000,256),
1399 ERASEINFO(0x1000,256)
1400 }
1401 }, {
1402 .mfr_id = MANUFACTURER_SST, /* should be CFI */
1403 .dev_id = SST39VF1601,
1404 .name = "SST 39VF1601",
1405 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1406 .uaddr = MTD_UADDR_0x5555_0x2AAA, /* ???? */
1407 .dev_size = SIZE_2MiB,
1408 .cmd_set = P_ID_AMD_STD,
1409 .nr_regions = 2,
1410 .regions = {
1411 ERASEINFO(0x1000,256),
1412 ERASEINFO(0x1000,256)
1413 }
1414 }, {
1415 .mfr_id = MANUFACTURER_ST,
1416 .dev_id = M29F800AB,
1417 .name = "ST M29F800AB",
1418 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1419 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1420 .dev_size = SIZE_1MiB,
1421 .cmd_set = P_ID_AMD_STD,
1422 .nr_regions = 4,
1423 .regions = {
1424 ERASEINFO(0x04000,1),
1425 ERASEINFO(0x02000,2),
1426 ERASEINFO(0x08000,1),
1427 ERASEINFO(0x10000,15),
1428 }
1429 }, {
1430 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1431 .dev_id = M29W800DT,
1432 .name = "ST M29W800DT",
1433 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1434 .uaddr = MTD_UADDR_0x5555_0x2AAA, /* ???? */
1435 .dev_size = SIZE_1MiB,
1436 .cmd_set = P_ID_AMD_STD,
1437 .nr_regions = 4,
1438 .regions = {
1439 ERASEINFO(0x10000,15),
1440 ERASEINFO(0x08000,1),
1441 ERASEINFO(0x02000,2),
1442 ERASEINFO(0x04000,1)
1443 }
1444 }, {
1445 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1446 .dev_id = M29W800DB,
1447 .name = "ST M29W800DB",
1448 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1449 .uaddr = MTD_UADDR_0x5555_0x2AAA, /* ???? */
1450 .dev_size = SIZE_1MiB,
1451 .cmd_set = P_ID_AMD_STD,
1452 .nr_regions = 4,
1453 .regions = {
1454 ERASEINFO(0x04000,1),
1455 ERASEINFO(0x02000,2),
1456 ERASEINFO(0x08000,1),
1457 ERASEINFO(0x10000,15)
1458 }
1459 }, {
1460 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1461 .dev_id = M29W160DT,
1462 .name = "ST M29W160DT",
1463 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1464 .uaddr = MTD_UADDR_0x0555_0x02AA, /* ???? */
1465 .dev_size = SIZE_2MiB,
1466 .cmd_set = P_ID_AMD_STD,
1467 .nr_regions = 4,
1468 .regions = {
1469 ERASEINFO(0x10000,31),
1470 ERASEINFO(0x08000,1),
1471 ERASEINFO(0x02000,2),
1472 ERASEINFO(0x04000,1)
1473 }
1474 }, {
1475 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1476 .dev_id = M29W160DB,
1477 .name = "ST M29W160DB",
1478 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1479 .uaddr = MTD_UADDR_0x0555_0x02AA, /* ???? */
1480 .dev_size = SIZE_2MiB,
1481 .cmd_set = P_ID_AMD_STD,
1482 .nr_regions = 4,
1483 .regions = {
1484 ERASEINFO(0x04000,1),
1485 ERASEINFO(0x02000,2),
1486 ERASEINFO(0x08000,1),
1487 ERASEINFO(0x10000,31)
1488 }
1489 }, {
1490 .mfr_id = MANUFACTURER_ST,
1491 .dev_id = M29W040B,
1492 .name = "ST M29W040B",
1493 .devtypes = CFI_DEVICETYPE_X8,
1494 .uaddr = MTD_UADDR_0x0555_0x02AA,
1495 .dev_size = SIZE_512KiB,
1496 .cmd_set = P_ID_AMD_STD,
1497 .nr_regions = 1,
1498 .regions = {
1499 ERASEINFO(0x10000,8),
1500 }
1501 }, {
1502 .mfr_id = MANUFACTURER_ST,
1503 .dev_id = M50FW040,
1504 .name = "ST M50FW040",
1505 .devtypes = CFI_DEVICETYPE_X8,
1506 .uaddr = MTD_UADDR_UNNECESSARY,
1507 .dev_size = SIZE_512KiB,
1508 .cmd_set = P_ID_INTEL_EXT,
1509 .nr_regions = 1,
1510 .regions = {
1511 ERASEINFO(0x10000,8),
1512 }
1513 }, {
1514 .mfr_id = MANUFACTURER_ST,
1515 .dev_id = M50FW080,
1516 .name = "ST M50FW080",
1517 .devtypes = CFI_DEVICETYPE_X8,
1518 .uaddr = MTD_UADDR_UNNECESSARY,
1519 .dev_size = SIZE_1MiB,
1520 .cmd_set = P_ID_INTEL_EXT,
1521 .nr_regions = 1,
1522 .regions = {
1523 ERASEINFO(0x10000,16),
1524 }
1525 }, {
1526 .mfr_id = MANUFACTURER_ST,
1527 .dev_id = M50FW016,
1528 .name = "ST M50FW016",
1529 .devtypes = CFI_DEVICETYPE_X8,
1530 .uaddr = MTD_UADDR_UNNECESSARY,
1531 .dev_size = SIZE_2MiB,
1532 .cmd_set = P_ID_INTEL_EXT,
1533 .nr_regions = 1,
1534 .regions = {
1535 ERASEINFO(0x10000,32),
1536 }
1537 }, {
1538 .mfr_id = MANUFACTURER_ST,
1539 .dev_id = M50LPW080,
1540 .name = "ST M50LPW080",
1541 .devtypes = CFI_DEVICETYPE_X8,
1542 .uaddr = MTD_UADDR_UNNECESSARY,
1543 .dev_size = SIZE_1MiB,
1544 .cmd_set = P_ID_INTEL_EXT,
1545 .nr_regions = 1,
1546 .regions = {
1547 ERASEINFO(0x10000,16),
1548 }
1549 }, {
1550 .mfr_id = MANUFACTURER_TOSHIBA,
1551 .dev_id = TC58FVT160,
1552 .name = "Toshiba TC58FVT160",
1553 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1554 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1555 .dev_size = SIZE_2MiB,
1556 .cmd_set = P_ID_AMD_STD,
1557 .nr_regions = 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_TOSHIBA,
1566 .dev_id = TC58FVB160,
1567 .name = "Toshiba TC58FVB160",
1568 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1569 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1570 .dev_size = SIZE_2MiB,
1571 .cmd_set = P_ID_AMD_STD,
1572 .nr_regions = 4,
1573 .regions = {
1574 ERASEINFO(0x04000,1),
1575 ERASEINFO(0x02000,2),
1576 ERASEINFO(0x08000,1),
1577 ERASEINFO(0x10000,31)
1578 }
1579 }, {
1580 .mfr_id = MANUFACTURER_TOSHIBA,
1581 .dev_id = TC58FVB321,
1582 .name = "Toshiba TC58FVB321",
1583 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1584 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1585 .dev_size = SIZE_4MiB,
1586 .cmd_set = P_ID_AMD_STD,
1587 .nr_regions = 2,
1588 .regions = {
1589 ERASEINFO(0x02000,8),
1590 ERASEINFO(0x10000,63)
1591 }
1592 }, {
1593 .mfr_id = MANUFACTURER_TOSHIBA,
1594 .dev_id = TC58FVT321,
1595 .name = "Toshiba TC58FVT321",
1596 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1597 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1598 .dev_size = SIZE_4MiB,
1599 .cmd_set = P_ID_AMD_STD,
1600 .nr_regions = 2,
1601 .regions = {
1602 ERASEINFO(0x10000,63),
1603 ERASEINFO(0x02000,8)
1604 }
1605 }, {
1606 .mfr_id = MANUFACTURER_TOSHIBA,
1607 .dev_id = TC58FVB641,
1608 .name = "Toshiba TC58FVB641",
1609 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1610 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1611 .dev_size = SIZE_8MiB,
1612 .cmd_set = P_ID_AMD_STD,
1613 .nr_regions = 2,
1614 .regions = {
1615 ERASEINFO(0x02000,8),
1616 ERASEINFO(0x10000,127)
1617 }
1618 }, {
1619 .mfr_id = MANUFACTURER_TOSHIBA,
1620 .dev_id = TC58FVT641,
1621 .name = "Toshiba TC58FVT641",
1622 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1623 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1624 .dev_size = SIZE_8MiB,
1625 .cmd_set = P_ID_AMD_STD,
1626 .nr_regions = 2,
1627 .regions = {
1628 ERASEINFO(0x10000,127),
1629 ERASEINFO(0x02000,8)
1630 }
1631 }, {
1632 .mfr_id = MANUFACTURER_WINBOND,
1633 .dev_id = W49V002A,
1634 .name = "Winbond W49V002A",
1635 .devtypes = CFI_DEVICETYPE_X8,
1636 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1637 .dev_size = SIZE_256KiB,
1638 .cmd_set = P_ID_AMD_STD,
1639 .nr_regions = 4,
1640 .regions = {
1641 ERASEINFO(0x10000, 3),
1642 ERASEINFO(0x08000, 1),
1643 ERASEINFO(0x02000, 2),
1644 ERASEINFO(0x04000, 1),
1645 }
1646 }
1647 };
1648
1649
1650 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index);
1651
1652 static int jedec_probe_chip(struct map_info *map, uint32_t base,
1653 unsigned long *chip_map, struct cfi_private *cfi);
1654
1655 static struct mtd_info *jedec_probe(struct map_info *map);
1656
1657 static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1658 struct cfi_private *cfi)
1659 {
1660 map_word result;
1661 unsigned long mask;
1662 u32 ofs = cfi_build_cmd_addr(0, cfi_interleave(cfi), cfi->device_type);
1663 mask = (1 << (cfi->device_type * 8)) -1;
1664 result = map_read(map, base + ofs);
1665 return result.x[0] & mask;
1666 }
1667
1668 static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1669 struct cfi_private *cfi)
1670 {
1671 map_word result;
1672 unsigned long mask;
1673 u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type);
1674 mask = (1 << (cfi->device_type * 8)) -1;
1675 result = map_read(map, base + ofs);
1676 return result.x[0] & mask;
1677 }
1678
1679 static inline void jedec_reset(u32 base, struct map_info *map,
1680 struct cfi_private *cfi)
1681 {
1682 /* Reset */
1683
1684 /* after checking the datasheets for SST, MACRONIX and ATMEL
1685 * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1686 * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1687 * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1688 * as they will ignore the writes and dont care what address
1689 * the F0 is written to */
1690 if (cfi->addr_unlock1) {
1691 DEBUG( MTD_DEBUG_LEVEL3,
1692 "reset unlock called %x %x \n",
1693 cfi->addr_unlock1,cfi->addr_unlock2);
1694 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1695 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1696 }
1697
1698 cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1699 /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1700 * so ensure we're in read mode. Send both the Intel and the AMD command
1701 * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so
1702 * this should be safe.
1703 */
1704 cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1705 /* FIXME - should have reset delay before continuing */
1706 }
1707
1708
1709 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1710 {
1711 int i,num_erase_regions;
1712 uint8_t uaddr;
1713
1714 if (! (jedec_table[index].devtypes & p_cfi->device_type)) {
1715 DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n",
1716 jedec_table[index].name, 4 * (1<<p_cfi->device_type));
1717 return 0;
1718 }
1719
1720 printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1721
1722 num_erase_regions = jedec_table[index].nr_regions;
1723
1724 p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1725 if (!p_cfi->cfiq) {
1726 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1727 return 0;
1728 }
1729
1730 memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1731
1732 p_cfi->cfiq->P_ID = jedec_table[index].cmd_set;
1733 p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions;
1734 p_cfi->cfiq->DevSize = jedec_table[index].dev_size;
1735 p_cfi->cfi_mode = CFI_MODE_JEDEC;
1736
1737 for (i=0; i<num_erase_regions; i++){
1738 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1739 }
1740 p_cfi->cmdset_priv = NULL;
1741
1742 /* This may be redundant for some cases, but it doesn't hurt */
1743 p_cfi->mfr = jedec_table[index].mfr_id;
1744 p_cfi->id = jedec_table[index].dev_id;
1745
1746 uaddr = jedec_table[index].uaddr;
1747
1748 /* The table has unlock addresses in _bytes_, and we try not to let
1749 our brains explode when we see the datasheets talking about address
1750 lines numbered from A-1 to A18. The CFI table has unlock addresses
1751 in device-words according to the mode the device is connected in */
1752 p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type;
1753 p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type;
1754
1755 return 1; /* ok */
1756 }
1757
1758
1759 /*
1760 * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1761 * the mapped address, unlock addresses, and proper chip ID. This function
1762 * attempts to minimize errors. It is doubtfull that this probe will ever
1763 * be perfect - consequently there should be some module parameters that
1764 * could be manually specified to force the chip info.
1765 */
1766 static inline int jedec_match( uint32_t base,
1767 struct map_info *map,
1768 struct cfi_private *cfi,
1769 const struct amd_flash_info *finfo )
1770 {
1771 int rc = 0; /* failure until all tests pass */
1772 u32 mfr, id;
1773 uint8_t uaddr;
1774
1775 /*
1776 * The IDs must match. For X16 and X32 devices operating in
1777 * a lower width ( X8 or X16 ), the device ID's are usually just
1778 * the lower byte(s) of the larger device ID for wider mode. If
1779 * a part is found that doesn't fit this assumption (device id for
1780 * smaller width mode is completely unrealated to full-width mode)
1781 * then the jedec_table[] will have to be augmented with the IDs
1782 * for different widths.
1783 */
1784 switch (cfi->device_type) {
1785 case CFI_DEVICETYPE_X8:
1786 mfr = (uint8_t)finfo->mfr_id;
1787 id = (uint8_t)finfo->dev_id;
1788
1789 /* bjd: it seems that if we do this, we can end up
1790 * detecting 16bit flashes as an 8bit device, even though
1791 * there aren't.
1792 */
1793 if (finfo->dev_id > 0xff) {
1794 DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1795 __func__);
1796 goto match_done;
1797 }
1798 break;
1799 case CFI_DEVICETYPE_X16:
1800 mfr = (uint16_t)finfo->mfr_id;
1801 id = (uint16_t)finfo->dev_id;
1802 break;
1803 case CFI_DEVICETYPE_X32:
1804 mfr = (uint16_t)finfo->mfr_id;
1805 id = (uint32_t)finfo->dev_id;
1806 break;
1807 default:
1808 printk(KERN_WARNING
1809 "MTD %s(): Unsupported device type %d\n",
1810 __func__, cfi->device_type);
1811 goto match_done;
1812 }
1813 if ( cfi->mfr != mfr || cfi->id != id ) {
1814 goto match_done;
1815 }
1816
1817 /* the part size must fit in the memory window */
1818 DEBUG( MTD_DEBUG_LEVEL3,
1819 "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1820 __func__, base, 1 << finfo->dev_size, base + (1 << finfo->dev_size) );
1821 if ( base + cfi_interleave(cfi) * ( 1 << finfo->dev_size ) > map->size ) {
1822 DEBUG( MTD_DEBUG_LEVEL3,
1823 "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1824 __func__, finfo->mfr_id, finfo->dev_id,
1825 1 << finfo->dev_size );
1826 goto match_done;
1827 }
1828
1829 if (! (finfo->devtypes & cfi->device_type))
1830 goto match_done;
1831
1832 uaddr = finfo->uaddr;
1833
1834 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
1835 __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
1836 if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
1837 && ( unlock_addrs[uaddr].addr1 / cfi->device_type != cfi->addr_unlock1 ||
1838 unlock_addrs[uaddr].addr2 / cfi->device_type != cfi->addr_unlock2 ) ) {
1839 DEBUG( MTD_DEBUG_LEVEL3,
1840 "MTD %s(): 0x%.4x 0x%.4x did not match\n",
1841 __func__,
1842 unlock_addrs[uaddr].addr1,
1843 unlock_addrs[uaddr].addr2);
1844 goto match_done;
1845 }
1846
1847 /*
1848 * Make sure the ID's dissappear when the device is taken out of
1849 * ID mode. The only time this should fail when it should succeed
1850 * is when the ID's are written as data to the same
1851 * addresses. For this rare and unfortunate case the chip
1852 * cannot be probed correctly.
1853 * FIXME - write a driver that takes all of the chip info as
1854 * module parameters, doesn't probe but forces a load.
1855 */
1856 DEBUG( MTD_DEBUG_LEVEL3,
1857 "MTD %s(): check ID's disappear when not in ID mode\n",
1858 __func__ );
1859 jedec_reset( base, map, cfi );
1860 mfr = jedec_read_mfr( map, base, cfi );
1861 id = jedec_read_id( map, base, cfi );
1862 if ( mfr == cfi->mfr && id == cfi->id ) {
1863 DEBUG( MTD_DEBUG_LEVEL3,
1864 "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
1865 "You might need to manually specify JEDEC parameters.\n",
1866 __func__, cfi->mfr, cfi->id );
1867 goto match_done;
1868 }
1869
1870 /* all tests passed - mark as success */
1871 rc = 1;
1872
1873 /*
1874 * Put the device back in ID mode - only need to do this if we
1875 * were truly frobbing a real device.
1876 */
1877 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
1878 if (cfi->addr_unlock1) {
1879 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1880 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1881 }
1882 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1883 /* FIXME - should have a delay before continuing */
1884
1885 match_done:
1886 return rc;
1887 }
1888
1889
1890 static int jedec_probe_chip(struct map_info *map, __u32 base,
1891 unsigned long *chip_map, struct cfi_private *cfi)
1892 {
1893 int i;
1894 enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
1895 u32 probe_offset1, probe_offset2;
1896
1897 retry:
1898 if (!cfi->numchips) {
1899 uaddr_idx++;
1900
1901 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
1902 return 0;
1903
1904 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1 / cfi->device_type;
1905 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2 / cfi->device_type;
1906 }
1907
1908 /* Make certain we aren't probing past the end of map */
1909 if (base >= map->size) {
1910 printk(KERN_NOTICE
1911 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
1912 base, map->size -1);
1913 return 0;
1914
1915 }
1916 /* Ensure the unlock addresses we try stay inside the map */
1917 probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, cfi_interleave(cfi), cfi->device_type);
1918 probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, cfi_interleave(cfi), cfi->device_type);
1919 if ( ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
1920 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
1921 goto retry;
1922
1923 /* Reset */
1924 jedec_reset(base, map, cfi);
1925
1926 /* Autoselect Mode */
1927 if(cfi->addr_unlock1) {
1928 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1929 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1930 }
1931 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1932 /* FIXME - should have a delay before continuing */
1933
1934 if (!cfi->numchips) {
1935 /* This is the first time we're called. Set up the CFI
1936 stuff accordingly and return */
1937
1938 cfi->mfr = jedec_read_mfr(map, base, cfi);
1939 cfi->id = jedec_read_id(map, base, cfi);
1940 DEBUG(MTD_DEBUG_LEVEL3,
1941 "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
1942 cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
1943 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
1944 if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
1945 DEBUG( MTD_DEBUG_LEVEL3,
1946 "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
1947 __func__, cfi->mfr, cfi->id,
1948 cfi->addr_unlock1, cfi->addr_unlock2 );
1949 if (!cfi_jedec_setup(cfi, i))
1950 return 0;
1951 goto ok_out;
1952 }
1953 }
1954 goto retry;
1955 } else {
1956 uint16_t mfr;
1957 uint16_t id;
1958
1959 /* Make sure it is a chip of the same manufacturer and id */
1960 mfr = jedec_read_mfr(map, base, cfi);
1961 id = jedec_read_id(map, base, cfi);
1962
1963 if ((mfr != cfi->mfr) || (id != cfi->id)) {
1964 printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
1965 map->name, mfr, id, base);
1966 jedec_reset(base, map, cfi);
1967 return 0;
1968 }
1969 }
1970
1971 /* Check each previous chip locations to see if it's an alias */
1972 for (i=0; i < (base >> cfi->chipshift); i++) {
1973 unsigned long start;
1974 if(!test_bit(i, chip_map)) {
1975 continue; /* Skip location; no valid chip at this address */
1976 }
1977 start = i << cfi->chipshift;
1978 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
1979 jedec_read_id(map, start, cfi) == cfi->id) {
1980 /* Eep. This chip also looks like it's in autoselect mode.
1981 Is it an alias for the new one? */
1982 jedec_reset(start, map, cfi);
1983
1984 /* If the device IDs go away, it's an alias */
1985 if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
1986 jedec_read_id(map, base, cfi) != cfi->id) {
1987 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
1988 map->name, base, start);
1989 return 0;
1990 }
1991
1992 /* Yes, it's actually got the device IDs as data. Most
1993 * unfortunate. Stick the new chip in read mode
1994 * too and if it's the same, assume it's an alias. */
1995 /* FIXME: Use other modes to do a proper check */
1996 jedec_reset(base, map, cfi);
1997 if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
1998 jedec_read_id(map, base, cfi) == cfi->id) {
1999 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2000 map->name, base, start);
2001 return 0;
2002 }
2003 }
2004 }
2005
2006 /* OK, if we got to here, then none of the previous chips appear to
2007 be aliases for the current one. */
2008 set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2009 cfi->numchips++;
2010
2011 ok_out:
2012 /* Put it back into Read Mode */
2013 jedec_reset(base, map, cfi);
2014
2015 printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2016 map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2017 map->bankwidth*8);
2018
2019 return 1;
2020 }
2021
2022 static struct chip_probe jedec_chip_probe = {
2023 .name = "JEDEC",
2024 .probe_chip = jedec_probe_chip
2025 };
2026
2027 static struct mtd_info *jedec_probe(struct map_info *map)
2028 {
2029 /*
2030 * Just use the generic probe stuff to call our CFI-specific
2031 * chip_probe routine in all the possible permutations, etc.
2032 */
2033 return mtd_do_chip_probe(map, &jedec_chip_probe);
2034 }
2035
2036 static struct mtd_chip_driver jedec_chipdrv = {
2037 .probe = jedec_probe,
2038 .name = "jedec_probe",
2039 .module = THIS_MODULE
2040 };
2041
2042 static int __init jedec_probe_init(void)
2043 {
2044 register_mtd_chip_driver(&jedec_chipdrv);
2045 return 0;
2046 }
2047
2048 static void __exit jedec_probe_exit(void)
2049 {
2050 unregister_mtd_chip_driver(&jedec_chipdrv);
2051 }
2052
2053 module_init(jedec_probe_init);
2054 module_exit(jedec_probe_exit);
2055
2056 MODULE_LICENSE("GPL");
2057 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2058 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree