2 Common Flash Interface probe code.
3 (C) 2000 Red Hat. GPL'd.
4 $Id: jedec_probe.c,v 1.66 2005/11/07 11:14:23 gleixner Exp $
5 See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
6 for the standard this probe goes back to.
8 Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
11 #include <linux/module.h>
12 #include <linux/init.h>
13 #include <linux/types.h>
14 #include <linux/kernel.h>
16 #include <asm/byteorder.h>
17 #include <linux/errno.h>
18 #include <linux/slab.h>
19 #include <linux/interrupt.h>
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>
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
43 #define AM29DL800BB 0x22C8
44 #define AM29DL800BT 0x224A
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 #define AM29SL800DB 0x226B
62 #define AM29SL800DT 0x22EA
65 #define AT49BV512 0x0003
66 #define AT29LV512 0x003d
67 #define AT49BV16X 0x00C0
68 #define AT49BV16XT 0x00C2
69 #define AT49BV32X 0x00C8
70 #define AT49BV32XT 0x00C9
73 #define MBM29F040C 0x00A4
74 #define MBM29F800BA 0x2258
75 #define MBM29LV650UE 0x22D7
76 #define MBM29LV320TE 0x22F6
77 #define MBM29LV320BE 0x22F9
78 #define MBM29LV160TE 0x22C4
79 #define MBM29LV160BE 0x2249
80 #define MBM29LV800BA 0x225B
81 #define MBM29LV800TA 0x22DA
82 #define MBM29LV400TC 0x22B9
83 #define MBM29LV400BC 0x22BA
86 #define HY29F002T 0x00B0
89 #define I28F004B3T 0x00d4
90 #define I28F004B3B 0x00d5
91 #define I28F400B3T 0x8894
92 #define I28F400B3B 0x8895
93 #define I28F008S5 0x00a6
94 #define I28F016S5 0x00a0
95 #define I28F008SA 0x00a2
96 #define I28F008B3T 0x00d2
97 #define I28F008B3B 0x00d3
98 #define I28F800B3T 0x8892
99 #define I28F800B3B 0x8893
100 #define I28F016S3 0x00aa
101 #define I28F016B3T 0x00d0
102 #define I28F016B3B 0x00d1
103 #define I28F160B3T 0x8890
104 #define I28F160B3B 0x8891
105 #define I28F320B3T 0x8896
106 #define I28F320B3B 0x8897
107 #define I28F640B3T 0x8898
108 #define I28F640B3B 0x8899
109 #define I82802AB 0x00ad
110 #define I82802AC 0x00ac
113 #define MX29LV040C 0x004F
114 #define MX29LV160T 0x22C4
115 #define MX29LV160B 0x2249
116 #define MX29F040 0x00A4
117 #define MX29F016 0x00AD
118 #define MX29F002T 0x00B0
119 #define MX29F004T 0x0045
120 #define MX29F004B 0x0046
123 #define UPD29F064115 0x221C
126 #define PM49FL002 0x006D
127 #define PM49FL004 0x006E
128 #define PM49FL008 0x006A
131 #define LH28F640BF 0x00b0
133 /* ST - www.st.com */
134 #define M29F800AB 0x0058
135 #define M29W800DT 0x00D7
136 #define M29W800DB 0x005B
137 #define M29W400DT 0x00EE
138 #define M29W400DB 0x00EF
139 #define M29W160DT 0x22C4
140 #define M29W160DB 0x2249
141 #define M29W040B 0x00E3
142 #define M50FW040 0x002C
143 #define M50FW080 0x002D
144 #define M50FW016 0x002E
145 #define M50LPW080 0x002F
146 #define M50FLW080A 0x0080
147 #define M50FLW080B 0x0081
150 #define SST29EE020 0x0010
151 #define SST29LE020 0x0012
152 #define SST29EE512 0x005d
153 #define SST29LE512 0x003d
154 #define SST39LF800 0x2781
155 #define SST39LF160 0x2782
156 #define SST39VF1601 0x234b
157 #define SST39LF512 0x00D4
158 #define SST39LF010 0x00D5
159 #define SST39LF020 0x00D6
160 #define SST39LF040 0x00D7
161 #define SST39SF010A 0x00B5
162 #define SST39SF020A 0x00B6
163 #define SST49LF004B 0x0060
164 #define SST49LF040B 0x0050
165 #define SST49LF008A 0x005a
166 #define SST49LF030A 0x001C
167 #define SST49LF040A 0x0051
168 #define SST49LF080A 0x005B
169 #define SST36VF3203 0x7354
172 #define TC58FVT160 0x00C2
173 #define TC58FVB160 0x0043
174 #define TC58FVT321 0x009A
175 #define TC58FVB321 0x009C
176 #define TC58FVT641 0x0093
177 #define TC58FVB641 0x0095
180 #define W49V002A 0x00b0
184 * Unlock address sets for AMD command sets.
185 * Intel command sets use the MTD_UADDR_UNNECESSARY.
186 * Each identifier, except MTD_UADDR_UNNECESSARY, and
187 * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
188 * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
189 * initialization need not require initializing all of the
190 * unlock addresses for all bit widths.
193 MTD_UADDR_NOT_SUPPORTED = 0, /* data width not supported */
194 MTD_UADDR_0x0555_0x02AA,
195 MTD_UADDR_0x0555_0x0AAA,
196 MTD_UADDR_0x5555_0x2AAA,
197 MTD_UADDR_0x0AAA_0x0555,
198 MTD_UADDR_DONT_CARE, /* Requires an arbitrary address */
199 MTD_UADDR_UNNECESSARY, /* Does not require any address */
210 * I don't like the fact that the first entry in unlock_addrs[]
211 * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
212 * should not be used. The problem is that structures with
213 * initializers have extra fields initialized to 0. It is _very_
214 * desireable to have the unlock address entries for unsupported
215 * data widths automatically initialized - that means that
216 * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
219 static const struct unlock_addr unlock_addrs[] = {
220 [MTD_UADDR_NOT_SUPPORTED] = {
225 [MTD_UADDR_0x0555_0x02AA] = {
230 [MTD_UADDR_0x0555_0x0AAA] = {
235 [MTD_UADDR_0x5555_0x2AAA] = {
240 [MTD_UADDR_0x0AAA_0x0555] = {
245 [MTD_UADDR_DONT_CARE] = {
246 .addr1 = 0x0000, /* Doesn't matter which address */
247 .addr2 = 0x0000 /* is used - must be last entry */
250 [MTD_UADDR_UNNECESSARY] = {
256 struct amd_flash_info {
258 const uint16_t mfr_id;
259 const uint16_t dev_id;
260 const uint8_t dev_size;
261 const uint8_t nr_regions;
262 const uint16_t cmd_set;
263 const uint32_t regions[6];
264 const uint8_t devtypes; /* Bitmask for x8, x16 etc. */
265 const uint8_t uaddr; /* unlock addrs for 8, 16, 32, 64 */
268 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
270 #define SIZE_64KiB 16
271 #define SIZE_128KiB 17
272 #define SIZE_256KiB 18
273 #define SIZE_512KiB 19
281 * Please keep this list ordered by manufacturer!
282 * Fortunately, the list isn't searched often and so a
283 * slow, linear search isn't so bad.
285 static const struct amd_flash_info jedec_table[] = {
287 .mfr_id = MANUFACTURER_AMD,
289 .name = "AMD AM29F032B",
290 .uaddr = MTD_UADDR_0x0555_0x02AA,
291 .devtypes = CFI_DEVICETYPE_X8,
292 .dev_size = SIZE_4MiB,
293 .cmd_set = P_ID_AMD_STD,
296 ERASEINFO(0x10000,64)
299 .mfr_id = MANUFACTURER_AMD,
300 .dev_id = AM29LV160DT,
301 .name = "AMD AM29LV160DT",
302 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
303 .uaddr = MTD_UADDR_0x0AAA_0x0555,
304 .dev_size = SIZE_2MiB,
305 .cmd_set = P_ID_AMD_STD,
308 ERASEINFO(0x10000,31),
309 ERASEINFO(0x08000,1),
310 ERASEINFO(0x02000,2),
314 .mfr_id = MANUFACTURER_AMD,
315 .dev_id = AM29LV160DB,
316 .name = "AMD AM29LV160DB",
317 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
318 .uaddr = MTD_UADDR_0x0AAA_0x0555,
319 .dev_size = SIZE_2MiB,
320 .cmd_set = P_ID_AMD_STD,
323 ERASEINFO(0x04000,1),
324 ERASEINFO(0x02000,2),
325 ERASEINFO(0x08000,1),
326 ERASEINFO(0x10000,31)
329 .mfr_id = MANUFACTURER_AMD,
330 .dev_id = AM29LV400BB,
331 .name = "AMD AM29LV400BB",
332 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
333 .uaddr = MTD_UADDR_0x0AAA_0x0555,
334 .dev_size = SIZE_512KiB,
335 .cmd_set = P_ID_AMD_STD,
338 ERASEINFO(0x04000,1),
339 ERASEINFO(0x02000,2),
340 ERASEINFO(0x08000,1),
344 .mfr_id = MANUFACTURER_AMD,
345 .dev_id = AM29LV400BT,
346 .name = "AMD AM29LV400BT",
347 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
348 .uaddr = MTD_UADDR_0x0AAA_0x0555,
349 .dev_size = SIZE_512KiB,
350 .cmd_set = P_ID_AMD_STD,
353 ERASEINFO(0x10000,7),
354 ERASEINFO(0x08000,1),
355 ERASEINFO(0x02000,2),
359 .mfr_id = MANUFACTURER_AMD,
360 .dev_id = AM29LV800BB,
361 .name = "AMD AM29LV800BB",
362 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
363 .uaddr = MTD_UADDR_0x0AAA_0x0555,
364 .dev_size = SIZE_1MiB,
365 .cmd_set = P_ID_AMD_STD,
368 ERASEINFO(0x04000,1),
369 ERASEINFO(0x02000,2),
370 ERASEINFO(0x08000,1),
371 ERASEINFO(0x10000,15),
375 .mfr_id = MANUFACTURER_AMD,
376 .dev_id = AM29DL800BB,
377 .name = "AMD AM29DL800BB",
378 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
379 .uaddr = MTD_UADDR_0x0AAA_0x0555,
380 .dev_size = SIZE_1MiB,
381 .cmd_set = P_ID_AMD_STD,
384 ERASEINFO(0x04000,1),
385 ERASEINFO(0x08000,1),
386 ERASEINFO(0x02000,4),
387 ERASEINFO(0x08000,1),
388 ERASEINFO(0x04000,1),
389 ERASEINFO(0x10000,14)
392 .mfr_id = MANUFACTURER_AMD,
393 .dev_id = AM29DL800BT,
394 .name = "AMD AM29DL800BT",
395 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
396 .uaddr = MTD_UADDR_0x0AAA_0x0555,
397 .dev_size = SIZE_1MiB,
398 .cmd_set = P_ID_AMD_STD,
401 ERASEINFO(0x10000,14),
402 ERASEINFO(0x04000,1),
403 ERASEINFO(0x08000,1),
404 ERASEINFO(0x02000,4),
405 ERASEINFO(0x08000,1),
409 .mfr_id = MANUFACTURER_AMD,
410 .dev_id = AM29F800BB,
411 .name = "AMD AM29F800BB",
412 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
413 .uaddr = MTD_UADDR_0x0AAA_0x0555,
414 .dev_size = SIZE_1MiB,
415 .cmd_set = P_ID_AMD_STD,
418 ERASEINFO(0x04000,1),
419 ERASEINFO(0x02000,2),
420 ERASEINFO(0x08000,1),
421 ERASEINFO(0x10000,15),
424 .mfr_id = MANUFACTURER_AMD,
425 .dev_id = AM29LV800BT,
426 .name = "AMD AM29LV800BT",
427 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
428 .uaddr = MTD_UADDR_0x0AAA_0x0555,
429 .dev_size = SIZE_1MiB,
430 .cmd_set = P_ID_AMD_STD,
433 ERASEINFO(0x10000,15),
434 ERASEINFO(0x08000,1),
435 ERASEINFO(0x02000,2),
439 .mfr_id = MANUFACTURER_AMD,
440 .dev_id = AM29F800BT,
441 .name = "AMD AM29F800BT",
442 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
443 .uaddr = MTD_UADDR_0x0AAA_0x0555,
444 .dev_size = SIZE_1MiB,
445 .cmd_set = P_ID_AMD_STD,
448 ERASEINFO(0x10000,15),
449 ERASEINFO(0x08000,1),
450 ERASEINFO(0x02000,2),
454 .mfr_id = MANUFACTURER_AMD,
456 .name = "AMD AM29F017D",
457 .devtypes = CFI_DEVICETYPE_X8,
458 .uaddr = MTD_UADDR_DONT_CARE,
459 .dev_size = SIZE_2MiB,
460 .cmd_set = P_ID_AMD_STD,
463 ERASEINFO(0x10000,32),
466 .mfr_id = MANUFACTURER_AMD,
468 .name = "AMD AM29F016D",
469 .devtypes = CFI_DEVICETYPE_X8,
470 .uaddr = MTD_UADDR_0x0555_0x02AA,
471 .dev_size = SIZE_2MiB,
472 .cmd_set = P_ID_AMD_STD,
475 ERASEINFO(0x10000,32),
478 .mfr_id = MANUFACTURER_AMD,
480 .name = "AMD AM29F080",
481 .devtypes = CFI_DEVICETYPE_X8,
482 .uaddr = MTD_UADDR_0x0555_0x02AA,
483 .dev_size = SIZE_1MiB,
484 .cmd_set = P_ID_AMD_STD,
487 ERASEINFO(0x10000,16),
490 .mfr_id = MANUFACTURER_AMD,
492 .name = "AMD AM29F040",
493 .devtypes = CFI_DEVICETYPE_X8,
494 .uaddr = MTD_UADDR_0x0555_0x02AA,
495 .dev_size = SIZE_512KiB,
496 .cmd_set = P_ID_AMD_STD,
499 ERASEINFO(0x10000,8),
502 .mfr_id = MANUFACTURER_AMD,
503 .dev_id = AM29LV040B,
504 .name = "AMD AM29LV040B",
505 .devtypes = CFI_DEVICETYPE_X8,
506 .uaddr = MTD_UADDR_0x0555_0x02AA,
507 .dev_size = SIZE_512KiB,
508 .cmd_set = P_ID_AMD_STD,
511 ERASEINFO(0x10000,8),
514 .mfr_id = MANUFACTURER_AMD,
516 .name = "AMD AM29F002T",
517 .devtypes = CFI_DEVICETYPE_X8,
518 .uaddr = MTD_UADDR_0x0555_0x02AA,
519 .dev_size = SIZE_256KiB,
520 .cmd_set = P_ID_AMD_STD,
523 ERASEINFO(0x10000,3),
524 ERASEINFO(0x08000,1),
525 ERASEINFO(0x02000,2),
526 ERASEINFO(0x04000,1),
529 .mfr_id = MANUFACTURER_AMD,
530 .dev_id = AM29SL800DT,
531 .name = "AMD AM29SL800DT",
532 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
533 .uaddr = MTD_UADDR_0x0AAA_0x0555,
534 .dev_size = SIZE_1MiB,
535 .cmd_set = P_ID_AMD_STD,
538 ERASEINFO(0x10000,15),
539 ERASEINFO(0x08000,1),
540 ERASEINFO(0x02000,2),
541 ERASEINFO(0x04000,1),
544 .mfr_id = MANUFACTURER_AMD,
545 .dev_id = AM29SL800DB,
546 .name = "AMD AM29SL800DB",
547 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
548 .uaddr = MTD_UADDR_0x0AAA_0x0555,
549 .dev_size = SIZE_1MiB,
550 .cmd_set = P_ID_AMD_STD,
553 ERASEINFO(0x04000,1),
554 ERASEINFO(0x02000,2),
555 ERASEINFO(0x08000,1),
556 ERASEINFO(0x10000,15),
559 .mfr_id = MANUFACTURER_ATMEL,
561 .name = "Atmel AT49BV512",
562 .devtypes = CFI_DEVICETYPE_X8,
563 .uaddr = MTD_UADDR_0x5555_0x2AAA,
564 .dev_size = SIZE_64KiB,
565 .cmd_set = P_ID_AMD_STD,
571 .mfr_id = MANUFACTURER_ATMEL,
573 .name = "Atmel AT29LV512",
574 .devtypes = CFI_DEVICETYPE_X8,
575 .uaddr = MTD_UADDR_0x5555_0x2AAA,
576 .dev_size = SIZE_64KiB,
577 .cmd_set = P_ID_AMD_STD,
584 .mfr_id = MANUFACTURER_ATMEL,
586 .name = "Atmel AT49BV16X",
587 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
588 .uaddr = MTD_UADDR_0x0555_0x0AAA, /* ???? */
589 .dev_size = SIZE_2MiB,
590 .cmd_set = P_ID_AMD_STD,
593 ERASEINFO(0x02000,8),
594 ERASEINFO(0x10000,31)
597 .mfr_id = MANUFACTURER_ATMEL,
598 .dev_id = AT49BV16XT,
599 .name = "Atmel AT49BV16XT",
600 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
601 .uaddr = MTD_UADDR_0x0555_0x0AAA, /* ???? */
602 .dev_size = SIZE_2MiB,
603 .cmd_set = P_ID_AMD_STD,
606 ERASEINFO(0x10000,31),
610 .mfr_id = MANUFACTURER_ATMEL,
612 .name = "Atmel AT49BV32X",
613 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
614 .uaddr = MTD_UADDR_0x0555_0x0AAA, /* ???? */
615 .dev_size = SIZE_4MiB,
616 .cmd_set = P_ID_AMD_STD,
619 ERASEINFO(0x02000,8),
620 ERASEINFO(0x10000,63)
623 .mfr_id = MANUFACTURER_ATMEL,
624 .dev_id = AT49BV32XT,
625 .name = "Atmel AT49BV32XT",
626 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
627 .uaddr = MTD_UADDR_0x0555_0x0AAA, /* ???? */
628 .dev_size = SIZE_4MiB,
629 .cmd_set = P_ID_AMD_STD,
632 ERASEINFO(0x10000,63),
636 .mfr_id = MANUFACTURER_FUJITSU,
637 .dev_id = MBM29F040C,
638 .name = "Fujitsu MBM29F040C",
639 .devtypes = CFI_DEVICETYPE_X8,
640 .uaddr = MTD_UADDR_0x0AAA_0x0555,
641 .dev_size = SIZE_512KiB,
642 .cmd_set = P_ID_AMD_STD,
648 .mfr_id = MANUFACTURER_FUJITSU,
649 .dev_id = MBM29F800BA,
650 .name = "Fujitsu MBM29F800BA",
651 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
652 .uaddr = MTD_UADDR_0x0AAA_0x0555,
653 .dev_size = SIZE_1MiB,
654 .cmd_set = P_ID_AMD_STD,
657 ERASEINFO(0x04000,1),
658 ERASEINFO(0x02000,2),
659 ERASEINFO(0x08000,1),
660 ERASEINFO(0x10000,15),
663 .mfr_id = MANUFACTURER_FUJITSU,
664 .dev_id = MBM29LV650UE,
665 .name = "Fujitsu MBM29LV650UE",
666 .devtypes = CFI_DEVICETYPE_X8,
667 .uaddr = MTD_UADDR_DONT_CARE,
668 .dev_size = SIZE_8MiB,
669 .cmd_set = P_ID_AMD_STD,
672 ERASEINFO(0x10000,128)
675 .mfr_id = MANUFACTURER_FUJITSU,
676 .dev_id = MBM29LV320TE,
677 .name = "Fujitsu MBM29LV320TE",
678 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
679 .uaddr = MTD_UADDR_0x0AAA_0x0555,
680 .dev_size = SIZE_4MiB,
681 .cmd_set = P_ID_AMD_STD,
684 ERASEINFO(0x10000,63),
688 .mfr_id = MANUFACTURER_FUJITSU,
689 .dev_id = MBM29LV320BE,
690 .name = "Fujitsu MBM29LV320BE",
691 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
692 .uaddr = MTD_UADDR_0x0AAA_0x0555,
693 .dev_size = SIZE_4MiB,
694 .cmd_set = P_ID_AMD_STD,
697 ERASEINFO(0x02000,8),
698 ERASEINFO(0x10000,63)
701 .mfr_id = MANUFACTURER_FUJITSU,
702 .dev_id = MBM29LV160TE,
703 .name = "Fujitsu MBM29LV160TE",
704 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
705 .uaddr = MTD_UADDR_0x0AAA_0x0555,
706 .dev_size = SIZE_2MiB,
707 .cmd_set = P_ID_AMD_STD,
710 ERASEINFO(0x10000,31),
711 ERASEINFO(0x08000,1),
712 ERASEINFO(0x02000,2),
716 .mfr_id = MANUFACTURER_FUJITSU,
717 .dev_id = MBM29LV160BE,
718 .name = "Fujitsu MBM29LV160BE",
719 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
720 .uaddr = MTD_UADDR_0x0AAA_0x0555,
721 .dev_size = SIZE_2MiB,
722 .cmd_set = P_ID_AMD_STD,
725 ERASEINFO(0x04000,1),
726 ERASEINFO(0x02000,2),
727 ERASEINFO(0x08000,1),
728 ERASEINFO(0x10000,31)
731 .mfr_id = MANUFACTURER_FUJITSU,
732 .dev_id = MBM29LV800BA,
733 .name = "Fujitsu MBM29LV800BA",
734 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
735 .uaddr = MTD_UADDR_0x0AAA_0x0555,
736 .dev_size = SIZE_1MiB,
737 .cmd_set = P_ID_AMD_STD,
740 ERASEINFO(0x04000,1),
741 ERASEINFO(0x02000,2),
742 ERASEINFO(0x08000,1),
743 ERASEINFO(0x10000,15)
746 .mfr_id = MANUFACTURER_FUJITSU,
747 .dev_id = MBM29LV800TA,
748 .name = "Fujitsu MBM29LV800TA",
749 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
750 .uaddr = MTD_UADDR_0x0AAA_0x0555,
751 .dev_size = SIZE_1MiB,
752 .cmd_set = P_ID_AMD_STD,
755 ERASEINFO(0x10000,15),
756 ERASEINFO(0x08000,1),
757 ERASEINFO(0x02000,2),
761 .mfr_id = MANUFACTURER_FUJITSU,
762 .dev_id = MBM29LV400BC,
763 .name = "Fujitsu MBM29LV400BC",
764 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
765 .uaddr = MTD_UADDR_0x0AAA_0x0555,
766 .dev_size = SIZE_512KiB,
767 .cmd_set = P_ID_AMD_STD,
770 ERASEINFO(0x04000,1),
771 ERASEINFO(0x02000,2),
772 ERASEINFO(0x08000,1),
776 .mfr_id = MANUFACTURER_FUJITSU,
777 .dev_id = MBM29LV400TC,
778 .name = "Fujitsu MBM29LV400TC",
779 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
780 .uaddr = MTD_UADDR_0x0AAA_0x0555,
781 .dev_size = SIZE_512KiB,
782 .cmd_set = P_ID_AMD_STD,
785 ERASEINFO(0x10000,7),
786 ERASEINFO(0x08000,1),
787 ERASEINFO(0x02000,2),
791 .mfr_id = MANUFACTURER_HYUNDAI,
793 .name = "Hyundai HY29F002T",
794 .devtypes = CFI_DEVICETYPE_X8,
795 .uaddr = MTD_UADDR_0x0555_0x02AA,
796 .dev_size = SIZE_256KiB,
797 .cmd_set = P_ID_AMD_STD,
800 ERASEINFO(0x10000,3),
801 ERASEINFO(0x08000,1),
802 ERASEINFO(0x02000,2),
803 ERASEINFO(0x04000,1),
806 .mfr_id = MANUFACTURER_INTEL,
807 .dev_id = I28F004B3B,
808 .name = "Intel 28F004B3B",
809 .devtypes = CFI_DEVICETYPE_X8,
810 .uaddr = MTD_UADDR_UNNECESSARY,
811 .dev_size = SIZE_512KiB,
812 .cmd_set = P_ID_INTEL_STD,
815 ERASEINFO(0x02000, 8),
816 ERASEINFO(0x10000, 7),
819 .mfr_id = MANUFACTURER_INTEL,
820 .dev_id = I28F004B3T,
821 .name = "Intel 28F004B3T",
822 .devtypes = CFI_DEVICETYPE_X8,
823 .uaddr = MTD_UADDR_UNNECESSARY,
824 .dev_size = SIZE_512KiB,
825 .cmd_set = P_ID_INTEL_STD,
828 ERASEINFO(0x10000, 7),
829 ERASEINFO(0x02000, 8),
832 .mfr_id = MANUFACTURER_INTEL,
833 .dev_id = I28F400B3B,
834 .name = "Intel 28F400B3B",
835 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
836 .uaddr = MTD_UADDR_UNNECESSARY,
837 .dev_size = SIZE_512KiB,
838 .cmd_set = P_ID_INTEL_STD,
841 ERASEINFO(0x02000, 8),
842 ERASEINFO(0x10000, 7),
845 .mfr_id = MANUFACTURER_INTEL,
846 .dev_id = I28F400B3T,
847 .name = "Intel 28F400B3T",
848 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
849 .uaddr = MTD_UADDR_UNNECESSARY,
850 .dev_size = SIZE_512KiB,
851 .cmd_set = P_ID_INTEL_STD,
854 ERASEINFO(0x10000, 7),
855 ERASEINFO(0x02000, 8),
858 .mfr_id = MANUFACTURER_INTEL,
859 .dev_id = I28F008B3B,
860 .name = "Intel 28F008B3B",
861 .devtypes = CFI_DEVICETYPE_X8,
862 .uaddr = MTD_UADDR_UNNECESSARY,
863 .dev_size = SIZE_1MiB,
864 .cmd_set = P_ID_INTEL_STD,
867 ERASEINFO(0x02000, 8),
868 ERASEINFO(0x10000, 15),
871 .mfr_id = MANUFACTURER_INTEL,
872 .dev_id = I28F008B3T,
873 .name = "Intel 28F008B3T",
874 .devtypes = CFI_DEVICETYPE_X8,
875 .uaddr = MTD_UADDR_UNNECESSARY,
876 .dev_size = SIZE_1MiB,
877 .cmd_set = P_ID_INTEL_STD,
880 ERASEINFO(0x10000, 15),
881 ERASEINFO(0x02000, 8),
884 .mfr_id = MANUFACTURER_INTEL,
886 .name = "Intel 28F008S5",
887 .devtypes = CFI_DEVICETYPE_X8,
888 .uaddr = MTD_UADDR_UNNECESSARY,
889 .dev_size = SIZE_1MiB,
890 .cmd_set = P_ID_INTEL_EXT,
893 ERASEINFO(0x10000,16),
896 .mfr_id = MANUFACTURER_INTEL,
898 .name = "Intel 28F016S5",
899 .devtypes = CFI_DEVICETYPE_X8,
900 .uaddr = MTD_UADDR_UNNECESSARY,
901 .dev_size = SIZE_2MiB,
902 .cmd_set = P_ID_INTEL_EXT,
905 ERASEINFO(0x10000,32),
908 .mfr_id = MANUFACTURER_INTEL,
910 .name = "Intel 28F008SA",
911 .devtypes = CFI_DEVICETYPE_X8,
912 .uaddr = MTD_UADDR_UNNECESSARY,
913 .dev_size = SIZE_1MiB,
914 .cmd_set = P_ID_INTEL_STD,
917 ERASEINFO(0x10000, 16),
920 .mfr_id = MANUFACTURER_INTEL,
921 .dev_id = I28F800B3B,
922 .name = "Intel 28F800B3B",
923 .devtypes = CFI_DEVICETYPE_X16,
924 .uaddr = MTD_UADDR_UNNECESSARY,
925 .dev_size = SIZE_1MiB,
926 .cmd_set = P_ID_INTEL_STD,
929 ERASEINFO(0x02000, 8),
930 ERASEINFO(0x10000, 15),
933 .mfr_id = MANUFACTURER_INTEL,
934 .dev_id = I28F800B3T,
935 .name = "Intel 28F800B3T",
936 .devtypes = CFI_DEVICETYPE_X16,
937 .uaddr = MTD_UADDR_UNNECESSARY,
938 .dev_size = SIZE_1MiB,
939 .cmd_set = P_ID_INTEL_STD,
942 ERASEINFO(0x10000, 15),
943 ERASEINFO(0x02000, 8),
946 .mfr_id = MANUFACTURER_INTEL,
947 .dev_id = I28F016B3B,
948 .name = "Intel 28F016B3B",
949 .devtypes = CFI_DEVICETYPE_X8,
950 .uaddr = MTD_UADDR_UNNECESSARY,
951 .dev_size = SIZE_2MiB,
952 .cmd_set = P_ID_INTEL_STD,
955 ERASEINFO(0x02000, 8),
956 ERASEINFO(0x10000, 31),
959 .mfr_id = MANUFACTURER_INTEL,
961 .name = "Intel I28F016S3",
962 .devtypes = CFI_DEVICETYPE_X8,
963 .uaddr = MTD_UADDR_UNNECESSARY,
964 .dev_size = SIZE_2MiB,
965 .cmd_set = P_ID_INTEL_STD,
968 ERASEINFO(0x10000, 32),
971 .mfr_id = MANUFACTURER_INTEL,
972 .dev_id = I28F016B3T,
973 .name = "Intel 28F016B3T",
974 .devtypes = CFI_DEVICETYPE_X8,
975 .uaddr = MTD_UADDR_UNNECESSARY,
976 .dev_size = SIZE_2MiB,
977 .cmd_set = P_ID_INTEL_STD,
980 ERASEINFO(0x10000, 31),
981 ERASEINFO(0x02000, 8),
984 .mfr_id = MANUFACTURER_INTEL,
985 .dev_id = I28F160B3B,
986 .name = "Intel 28F160B3B",
987 .devtypes = CFI_DEVICETYPE_X16,
988 .uaddr = MTD_UADDR_UNNECESSARY,
989 .dev_size = SIZE_2MiB,
990 .cmd_set = P_ID_INTEL_STD,
993 ERASEINFO(0x02000, 8),
994 ERASEINFO(0x10000, 31),
997 .mfr_id = MANUFACTURER_INTEL,
998 .dev_id = I28F160B3T,
999 .name = "Intel 28F160B3T",
1000 .devtypes = CFI_DEVICETYPE_X16,
1001 .uaddr = MTD_UADDR_UNNECESSARY,
1002 .dev_size = SIZE_2MiB,
1003 .cmd_set = P_ID_INTEL_STD,
1006 ERASEINFO(0x10000, 31),
1007 ERASEINFO(0x02000, 8),
1010 .mfr_id = MANUFACTURER_INTEL,
1011 .dev_id = I28F320B3B,
1012 .name = "Intel 28F320B3B",
1013 .devtypes = CFI_DEVICETYPE_X16,
1014 .uaddr = MTD_UADDR_UNNECESSARY,
1015 .dev_size = SIZE_4MiB,
1016 .cmd_set = P_ID_INTEL_STD,
1019 ERASEINFO(0x02000, 8),
1020 ERASEINFO(0x10000, 63),
1023 .mfr_id = MANUFACTURER_INTEL,
1024 .dev_id = I28F320B3T,
1025 .name = "Intel 28F320B3T",
1026 .devtypes = CFI_DEVICETYPE_X16,
1027 .uaddr = MTD_UADDR_UNNECESSARY,
1028 .dev_size = SIZE_4MiB,
1029 .cmd_set = P_ID_INTEL_STD,
1032 ERASEINFO(0x10000, 63),
1033 ERASEINFO(0x02000, 8),
1036 .mfr_id = MANUFACTURER_INTEL,
1037 .dev_id = I28F640B3B,
1038 .name = "Intel 28F640B3B",
1039 .devtypes = CFI_DEVICETYPE_X16,
1040 .uaddr = MTD_UADDR_UNNECESSARY,
1041 .dev_size = SIZE_8MiB,
1042 .cmd_set = P_ID_INTEL_STD,
1045 ERASEINFO(0x02000, 8),
1046 ERASEINFO(0x10000, 127),
1049 .mfr_id = MANUFACTURER_INTEL,
1050 .dev_id = I28F640B3T,
1051 .name = "Intel 28F640B3T",
1052 .devtypes = CFI_DEVICETYPE_X16,
1053 .uaddr = MTD_UADDR_UNNECESSARY,
1054 .dev_size = SIZE_8MiB,
1055 .cmd_set = P_ID_INTEL_STD,
1058 ERASEINFO(0x10000, 127),
1059 ERASEINFO(0x02000, 8),
1062 .mfr_id = MANUFACTURER_INTEL,
1064 .name = "Intel 82802AB",
1065 .devtypes = CFI_DEVICETYPE_X8,
1066 .uaddr = MTD_UADDR_UNNECESSARY,
1067 .dev_size = SIZE_512KiB,
1068 .cmd_set = P_ID_INTEL_EXT,
1071 ERASEINFO(0x10000,8),
1074 .mfr_id = MANUFACTURER_INTEL,
1076 .name = "Intel 82802AC",
1077 .devtypes = CFI_DEVICETYPE_X8,
1078 .uaddr = MTD_UADDR_UNNECESSARY,
1079 .dev_size = SIZE_1MiB,
1080 .cmd_set = P_ID_INTEL_EXT,
1083 ERASEINFO(0x10000,16),
1086 .mfr_id = MANUFACTURER_MACRONIX,
1087 .dev_id = MX29LV040C,
1088 .name = "Macronix MX29LV040C",
1089 .devtypes = CFI_DEVICETYPE_X8,
1090 .uaddr = MTD_UADDR_0x0555_0x02AA,
1091 .dev_size = SIZE_512KiB,
1092 .cmd_set = P_ID_AMD_STD,
1095 ERASEINFO(0x10000,8),
1098 .mfr_id = MANUFACTURER_MACRONIX,
1099 .dev_id = MX29LV160T,
1100 .name = "MXIC MX29LV160T",
1101 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1102 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1103 .dev_size = SIZE_2MiB,
1104 .cmd_set = P_ID_AMD_STD,
1107 ERASEINFO(0x10000,31),
1108 ERASEINFO(0x08000,1),
1109 ERASEINFO(0x02000,2),
1110 ERASEINFO(0x04000,1)
1113 .mfr_id = MANUFACTURER_NEC,
1114 .dev_id = UPD29F064115,
1115 .name = "NEC uPD29F064115",
1116 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1117 .uaddr = MTD_UADDR_0x0555_0x02AA, /* ???? */
1118 .dev_size = SIZE_8MiB,
1119 .cmd_set = P_ID_AMD_STD,
1122 ERASEINFO(0x2000,8),
1123 ERASEINFO(0x10000,126),
1124 ERASEINFO(0x2000,8),
1127 .mfr_id = MANUFACTURER_MACRONIX,
1128 .dev_id = MX29LV160B,
1129 .name = "MXIC MX29LV160B",
1130 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1131 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1132 .dev_size = SIZE_2MiB,
1133 .cmd_set = P_ID_AMD_STD,
1136 ERASEINFO(0x04000,1),
1137 ERASEINFO(0x02000,2),
1138 ERASEINFO(0x08000,1),
1139 ERASEINFO(0x10000,31)
1142 .mfr_id = MANUFACTURER_MACRONIX,
1144 .name = "Macronix MX29F040",
1145 .devtypes = CFI_DEVICETYPE_X8,
1146 .uaddr = MTD_UADDR_0x0555_0x02AA,
1147 .dev_size = SIZE_512KiB,
1148 .cmd_set = P_ID_AMD_STD,
1151 ERASEINFO(0x10000,8),
1154 .mfr_id = MANUFACTURER_MACRONIX,
1156 .name = "Macronix MX29F016",
1157 .devtypes = CFI_DEVICETYPE_X8,
1158 .uaddr = MTD_UADDR_0x0555_0x02AA,
1159 .dev_size = SIZE_2MiB,
1160 .cmd_set = P_ID_AMD_STD,
1163 ERASEINFO(0x10000,32),
1166 .mfr_id = MANUFACTURER_MACRONIX,
1167 .dev_id = MX29F004T,
1168 .name = "Macronix MX29F004T",
1169 .devtypes = CFI_DEVICETYPE_X8,
1170 .uaddr = MTD_UADDR_0x0555_0x02AA,
1171 .dev_size = SIZE_512KiB,
1172 .cmd_set = P_ID_AMD_STD,
1175 ERASEINFO(0x10000,7),
1176 ERASEINFO(0x08000,1),
1177 ERASEINFO(0x02000,2),
1178 ERASEINFO(0x04000,1),
1181 .mfr_id = MANUFACTURER_MACRONIX,
1182 .dev_id = MX29F004B,
1183 .name = "Macronix MX29F004B",
1184 .devtypes = CFI_DEVICETYPE_X8,
1185 .uaddr = MTD_UADDR_0x0555_0x02AA,
1186 .dev_size = SIZE_512KiB,
1187 .cmd_set = P_ID_AMD_STD,
1190 ERASEINFO(0x04000,1),
1191 ERASEINFO(0x02000,2),
1192 ERASEINFO(0x08000,1),
1193 ERASEINFO(0x10000,7),
1196 .mfr_id = MANUFACTURER_MACRONIX,
1197 .dev_id = MX29F002T,
1198 .name = "Macronix MX29F002T",
1199 .devtypes = CFI_DEVICETYPE_X8,
1200 .uaddr = MTD_UADDR_0x0555_0x02AA,
1201 .dev_size = SIZE_256KiB,
1202 .cmd_set = P_ID_AMD_STD,
1205 ERASEINFO(0x10000,3),
1206 ERASEINFO(0x08000,1),
1207 ERASEINFO(0x02000,2),
1208 ERASEINFO(0x04000,1),
1211 .mfr_id = MANUFACTURER_PMC,
1212 .dev_id = PM49FL002,
1213 .name = "PMC Pm49FL002",
1214 .devtypes = CFI_DEVICETYPE_X8,
1215 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1216 .dev_size = SIZE_256KiB,
1217 .cmd_set = P_ID_AMD_STD,
1220 ERASEINFO( 0x01000, 64 )
1223 .mfr_id = MANUFACTURER_PMC,
1224 .dev_id = PM49FL004,
1225 .name = "PMC Pm49FL004",
1226 .devtypes = CFI_DEVICETYPE_X8,
1227 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1228 .dev_size = SIZE_512KiB,
1229 .cmd_set = P_ID_AMD_STD,
1232 ERASEINFO( 0x01000, 128 )
1235 .mfr_id = MANUFACTURER_PMC,
1236 .dev_id = PM49FL008,
1237 .name = "PMC Pm49FL008",
1238 .devtypes = CFI_DEVICETYPE_X8,
1239 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1240 .dev_size = SIZE_1MiB,
1241 .cmd_set = P_ID_AMD_STD,
1244 ERASEINFO( 0x01000, 256 )
1247 .mfr_id = MANUFACTURER_SHARP,
1248 .dev_id = LH28F640BF,
1249 .name = "LH28F640BF",
1250 .devtypes = CFI_DEVICETYPE_X8,
1251 .uaddr = MTD_UADDR_UNNECESSARY,
1252 .dev_size = SIZE_4MiB,
1253 .cmd_set = P_ID_INTEL_STD,
1256 ERASEINFO(0x40000,16),
1259 .mfr_id = MANUFACTURER_SST,
1260 .dev_id = SST39LF512,
1261 .name = "SST 39LF512",
1262 .devtypes = CFI_DEVICETYPE_X8,
1263 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1264 .dev_size = SIZE_64KiB,
1265 .cmd_set = P_ID_AMD_STD,
1268 ERASEINFO(0x01000,16),
1271 .mfr_id = MANUFACTURER_SST,
1272 .dev_id = SST39LF010,
1273 .name = "SST 39LF010",
1274 .devtypes = CFI_DEVICETYPE_X8,
1275 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1276 .dev_size = SIZE_128KiB,
1277 .cmd_set = P_ID_AMD_STD,
1280 ERASEINFO(0x01000,32),
1283 .mfr_id = MANUFACTURER_SST,
1284 .dev_id = SST29EE020,
1285 .name = "SST 29EE020",
1286 .devtypes = CFI_DEVICETYPE_X8,
1287 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1288 .dev_size = SIZE_256KiB,
1289 .cmd_set = P_ID_SST_PAGE,
1291 .regions = {ERASEINFO(0x01000,64),
1294 .mfr_id = MANUFACTURER_SST,
1295 .dev_id = SST29LE020,
1296 .name = "SST 29LE020",
1297 .devtypes = CFI_DEVICETYPE_X8,
1298 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1299 .dev_size = SIZE_256KiB,
1300 .cmd_set = P_ID_SST_PAGE,
1302 .regions = {ERASEINFO(0x01000,64),
1305 .mfr_id = MANUFACTURER_SST,
1306 .dev_id = SST39LF020,
1307 .name = "SST 39LF020",
1308 .devtypes = CFI_DEVICETYPE_X8,
1309 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1310 .dev_size = SIZE_256KiB,
1311 .cmd_set = P_ID_AMD_STD,
1314 ERASEINFO(0x01000,64),
1317 .mfr_id = MANUFACTURER_SST,
1318 .dev_id = SST39LF040,
1319 .name = "SST 39LF040",
1320 .devtypes = CFI_DEVICETYPE_X8,
1321 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1322 .dev_size = SIZE_512KiB,
1323 .cmd_set = P_ID_AMD_STD,
1326 ERASEINFO(0x01000,128),
1329 .mfr_id = MANUFACTURER_SST,
1330 .dev_id = SST39SF010A,
1331 .name = "SST 39SF010A",
1332 .devtypes = CFI_DEVICETYPE_X8,
1333 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1334 .dev_size = SIZE_128KiB,
1335 .cmd_set = P_ID_AMD_STD,
1338 ERASEINFO(0x01000,32),
1341 .mfr_id = MANUFACTURER_SST,
1342 .dev_id = SST39SF020A,
1343 .name = "SST 39SF020A",
1344 .devtypes = CFI_DEVICETYPE_X8,
1345 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1346 .dev_size = SIZE_256KiB,
1347 .cmd_set = P_ID_AMD_STD,
1350 ERASEINFO(0x01000,64),
1353 .mfr_id = MANUFACTURER_SST,
1354 .dev_id = SST49LF040B,
1355 .name = "SST 49LF040B",
1356 .devtypes = CFI_DEVICETYPE_X8,
1357 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1358 .dev_size = SIZE_512KiB,
1359 .cmd_set = P_ID_AMD_STD,
1362 ERASEINFO(0x01000,128),
1366 .mfr_id = MANUFACTURER_SST,
1367 .dev_id = SST49LF004B,
1368 .name = "SST 49LF004B",
1369 .devtypes = CFI_DEVICETYPE_X8,
1370 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1371 .dev_size = SIZE_512KiB,
1372 .cmd_set = P_ID_AMD_STD,
1375 ERASEINFO(0x01000,128),
1378 .mfr_id = MANUFACTURER_SST,
1379 .dev_id = SST49LF008A,
1380 .name = "SST 49LF008A",
1381 .devtypes = CFI_DEVICETYPE_X8,
1382 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1383 .dev_size = SIZE_1MiB,
1384 .cmd_set = P_ID_AMD_STD,
1387 ERASEINFO(0x01000,256),
1390 .mfr_id = MANUFACTURER_SST,
1391 .dev_id = SST49LF030A,
1392 .name = "SST 49LF030A",
1393 .devtypes = CFI_DEVICETYPE_X8,
1394 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1395 .dev_size = SIZE_512KiB,
1396 .cmd_set = P_ID_AMD_STD,
1399 ERASEINFO(0x01000,96),
1402 .mfr_id = MANUFACTURER_SST,
1403 .dev_id = SST49LF040A,
1404 .name = "SST 49LF040A",
1405 .devtypes = CFI_DEVICETYPE_X8,
1406 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1407 .dev_size = SIZE_512KiB,
1408 .cmd_set = P_ID_AMD_STD,
1411 ERASEINFO(0x01000,128),
1414 .mfr_id = MANUFACTURER_SST,
1415 .dev_id = SST49LF080A,
1416 .name = "SST 49LF080A",
1417 .devtypes = CFI_DEVICETYPE_X8,
1418 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1419 .dev_size = SIZE_1MiB,
1420 .cmd_set = P_ID_AMD_STD,
1423 ERASEINFO(0x01000,256),
1426 .mfr_id = MANUFACTURER_SST, /* should be CFI */
1427 .dev_id = SST39LF160,
1428 .name = "SST 39LF160",
1429 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1430 .uaddr = MTD_UADDR_0x5555_0x2AAA, /* ???? */
1431 .dev_size = SIZE_2MiB,
1432 .cmd_set = P_ID_AMD_STD,
1435 ERASEINFO(0x1000,256),
1436 ERASEINFO(0x1000,256)
1439 .mfr_id = MANUFACTURER_SST, /* should be CFI */
1440 .dev_id = SST39VF1601,
1441 .name = "SST 39VF1601",
1442 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1443 .uaddr = MTD_UADDR_0x5555_0x2AAA, /* ???? */
1444 .dev_size = SIZE_2MiB,
1445 .cmd_set = P_ID_AMD_STD,
1448 ERASEINFO(0x1000,256),
1449 ERASEINFO(0x1000,256)
1452 .mfr_id = MANUFACTURER_SST,
1453 .dev_id = SST36VF3203,
1454 .name = "SST 36VF3203",
1455 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1456 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1457 .dev_size = SIZE_4MiB,
1458 .cmd_set = P_ID_AMD_STD,
1461 ERASEINFO(0x10000,64),
1464 .mfr_id = MANUFACTURER_ST,
1465 .dev_id = M29F800AB,
1466 .name = "ST M29F800AB",
1467 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1468 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1469 .dev_size = SIZE_1MiB,
1470 .cmd_set = P_ID_AMD_STD,
1473 ERASEINFO(0x04000,1),
1474 ERASEINFO(0x02000,2),
1475 ERASEINFO(0x08000,1),
1476 ERASEINFO(0x10000,15),
1479 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1480 .dev_id = M29W800DT,
1481 .name = "ST M29W800DT",
1482 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1483 .uaddr = MTD_UADDR_0x5555_0x2AAA, /* ???? */
1484 .dev_size = SIZE_1MiB,
1485 .cmd_set = P_ID_AMD_STD,
1488 ERASEINFO(0x10000,15),
1489 ERASEINFO(0x08000,1),
1490 ERASEINFO(0x02000,2),
1491 ERASEINFO(0x04000,1)
1494 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1495 .dev_id = M29W800DB,
1496 .name = "ST M29W800DB",
1497 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1498 .uaddr = MTD_UADDR_0x5555_0x2AAA, /* ???? */
1499 .dev_size = SIZE_1MiB,
1500 .cmd_set = P_ID_AMD_STD,
1503 ERASEINFO(0x04000,1),
1504 ERASEINFO(0x02000,2),
1505 ERASEINFO(0x08000,1),
1506 ERASEINFO(0x10000,15)
1509 .mfr_id = MANUFACTURER_ST,
1510 .dev_id = M29W400DT,
1511 .name = "ST M29W400DT",
1512 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1513 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1514 .dev_size = SIZE_512KiB,
1515 .cmd_set = P_ID_AMD_STD,
1518 ERASEINFO(0x04000,7),
1519 ERASEINFO(0x02000,1),
1520 ERASEINFO(0x08000,2),
1521 ERASEINFO(0x10000,1)
1524 .mfr_id = MANUFACTURER_ST,
1525 .dev_id = M29W400DB,
1526 .name = "ST M29W400DB",
1527 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1528 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1529 .dev_size = SIZE_512KiB,
1530 .cmd_set = P_ID_AMD_STD,
1533 ERASEINFO(0x04000,1),
1534 ERASEINFO(0x02000,2),
1535 ERASEINFO(0x08000,1),
1536 ERASEINFO(0x10000,7)
1539 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1540 .dev_id = M29W160DT,
1541 .name = "ST M29W160DT",
1542 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1543 .uaddr = MTD_UADDR_0x0555_0x02AA, /* ???? */
1544 .dev_size = SIZE_2MiB,
1545 .cmd_set = P_ID_AMD_STD,
1548 ERASEINFO(0x10000,31),
1549 ERASEINFO(0x08000,1),
1550 ERASEINFO(0x02000,2),
1551 ERASEINFO(0x04000,1)
1554 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1555 .dev_id = M29W160DB,
1556 .name = "ST M29W160DB",
1557 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1558 .uaddr = MTD_UADDR_0x0555_0x02AA, /* ???? */
1559 .dev_size = SIZE_2MiB,
1560 .cmd_set = P_ID_AMD_STD,
1563 ERASEINFO(0x04000,1),
1564 ERASEINFO(0x02000,2),
1565 ERASEINFO(0x08000,1),
1566 ERASEINFO(0x10000,31)
1569 .mfr_id = MANUFACTURER_ST,
1571 .name = "ST M29W040B",
1572 .devtypes = CFI_DEVICETYPE_X8,
1573 .uaddr = MTD_UADDR_0x0555_0x02AA,
1574 .dev_size = SIZE_512KiB,
1575 .cmd_set = P_ID_AMD_STD,
1578 ERASEINFO(0x10000,8),
1581 .mfr_id = MANUFACTURER_ST,
1583 .name = "ST M50FW040",
1584 .devtypes = CFI_DEVICETYPE_X8,
1585 .uaddr = MTD_UADDR_UNNECESSARY,
1586 .dev_size = SIZE_512KiB,
1587 .cmd_set = P_ID_INTEL_EXT,
1590 ERASEINFO(0x10000,8),
1593 .mfr_id = MANUFACTURER_ST,
1595 .name = "ST M50FW080",
1596 .devtypes = CFI_DEVICETYPE_X8,
1597 .uaddr = MTD_UADDR_UNNECESSARY,
1598 .dev_size = SIZE_1MiB,
1599 .cmd_set = P_ID_INTEL_EXT,
1602 ERASEINFO(0x10000,16),
1605 .mfr_id = MANUFACTURER_ST,
1607 .name = "ST M50FW016",
1608 .devtypes = CFI_DEVICETYPE_X8,
1609 .uaddr = MTD_UADDR_UNNECESSARY,
1610 .dev_size = SIZE_2MiB,
1611 .cmd_set = P_ID_INTEL_EXT,
1614 ERASEINFO(0x10000,32),
1617 .mfr_id = MANUFACTURER_ST,
1618 .dev_id = M50LPW080,
1619 .name = "ST M50LPW080",
1620 .devtypes = CFI_DEVICETYPE_X8,
1621 .uaddr = MTD_UADDR_UNNECESSARY,
1622 .dev_size = SIZE_1MiB,
1623 .cmd_set = P_ID_INTEL_EXT,
1626 ERASEINFO(0x10000,16),
1629 .mfr_id = MANUFACTURER_ST,
1630 .dev_id = M50FLW080A,
1631 .name = "ST M50FLW080A",
1632 .devtypes = CFI_DEVICETYPE_X8,
1633 .uaddr = MTD_UADDR_UNNECESSARY,
1634 .dev_size = SIZE_1MiB,
1635 .cmd_set = P_ID_INTEL_EXT,
1638 ERASEINFO(0x1000,16),
1639 ERASEINFO(0x10000,13),
1640 ERASEINFO(0x1000,16),
1641 ERASEINFO(0x1000,16),
1644 .mfr_id = MANUFACTURER_ST,
1645 .dev_id = M50FLW080B,
1646 .name = "ST M50FLW080B",
1647 .devtypes = CFI_DEVICETYPE_X8,
1648 .uaddr = MTD_UADDR_UNNECESSARY,
1649 .dev_size = SIZE_1MiB,
1650 .cmd_set = P_ID_INTEL_EXT,
1653 ERASEINFO(0x1000,16),
1654 ERASEINFO(0x1000,16),
1655 ERASEINFO(0x10000,13),
1656 ERASEINFO(0x1000,16),
1659 .mfr_id = MANUFACTURER_TOSHIBA,
1660 .dev_id = TC58FVT160,
1661 .name = "Toshiba TC58FVT160",
1662 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1663 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1664 .dev_size = SIZE_2MiB,
1665 .cmd_set = P_ID_AMD_STD,
1668 ERASEINFO(0x10000,31),
1669 ERASEINFO(0x08000,1),
1670 ERASEINFO(0x02000,2),
1671 ERASEINFO(0x04000,1)
1674 .mfr_id = MANUFACTURER_TOSHIBA,
1675 .dev_id = TC58FVB160,
1676 .name = "Toshiba TC58FVB160",
1677 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1678 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1679 .dev_size = SIZE_2MiB,
1680 .cmd_set = P_ID_AMD_STD,
1683 ERASEINFO(0x04000,1),
1684 ERASEINFO(0x02000,2),
1685 ERASEINFO(0x08000,1),
1686 ERASEINFO(0x10000,31)
1689 .mfr_id = MANUFACTURER_TOSHIBA,
1690 .dev_id = TC58FVB321,
1691 .name = "Toshiba TC58FVB321",
1692 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1693 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1694 .dev_size = SIZE_4MiB,
1695 .cmd_set = P_ID_AMD_STD,
1698 ERASEINFO(0x02000,8),
1699 ERASEINFO(0x10000,63)
1702 .mfr_id = MANUFACTURER_TOSHIBA,
1703 .dev_id = TC58FVT321,
1704 .name = "Toshiba TC58FVT321",
1705 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1706 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1707 .dev_size = SIZE_4MiB,
1708 .cmd_set = P_ID_AMD_STD,
1711 ERASEINFO(0x10000,63),
1712 ERASEINFO(0x02000,8)
1715 .mfr_id = MANUFACTURER_TOSHIBA,
1716 .dev_id = TC58FVB641,
1717 .name = "Toshiba TC58FVB641",
1718 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1719 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1720 .dev_size = SIZE_8MiB,
1721 .cmd_set = P_ID_AMD_STD,
1724 ERASEINFO(0x02000,8),
1725 ERASEINFO(0x10000,127)
1728 .mfr_id = MANUFACTURER_TOSHIBA,
1729 .dev_id = TC58FVT641,
1730 .name = "Toshiba TC58FVT641",
1731 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1732 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1733 .dev_size = SIZE_8MiB,
1734 .cmd_set = P_ID_AMD_STD,
1737 ERASEINFO(0x10000,127),
1738 ERASEINFO(0x02000,8)
1741 .mfr_id = MANUFACTURER_WINBOND,
1743 .name = "Winbond W49V002A",
1744 .devtypes = CFI_DEVICETYPE_X8,
1745 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1746 .dev_size = SIZE_256KiB,
1747 .cmd_set = P_ID_AMD_STD,
1750 ERASEINFO(0x10000, 3),
1751 ERASEINFO(0x08000, 1),
1752 ERASEINFO(0x02000, 2),
1753 ERASEINFO(0x04000, 1),
1758 static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1759 struct cfi_private *cfi)
1763 u32 ofs = cfi_build_cmd_addr(0, cfi_interleave(cfi), cfi->device_type);
1764 mask = (1 << (cfi->device_type * 8)) -1;
1765 result = map_read(map, base + ofs);
1766 return result.x[0] & mask;
1769 static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1770 struct cfi_private *cfi)
1774 u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type);
1775 mask = (1 << (cfi->device_type * 8)) -1;
1776 result = map_read(map, base + ofs);
1777 return result.x[0] & mask;
1780 static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi)
1784 /* after checking the datasheets for SST, MACRONIX and ATMEL
1785 * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1786 * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1787 * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1788 * as they will ignore the writes and dont care what address
1789 * the F0 is written to */
1790 if (cfi->addr_unlock1) {
1791 DEBUG( MTD_DEBUG_LEVEL3,
1792 "reset unlock called %x %x \n",
1793 cfi->addr_unlock1,cfi->addr_unlock2);
1794 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1795 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1798 cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1799 /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1800 * so ensure we're in read mode. Send both the Intel and the AMD command
1801 * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so
1802 * this should be safe.
1804 cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1805 /* FIXME - should have reset delay before continuing */
1809 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1811 int i,num_erase_regions;
1814 if (! (jedec_table[index].devtypes & p_cfi->device_type)) {
1815 DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n",
1816 jedec_table[index].name, 4 * (1<<p_cfi->device_type));
1820 printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1822 num_erase_regions = jedec_table[index].nr_regions;
1824 p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1826 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1830 memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1832 p_cfi->cfiq->P_ID = jedec_table[index].cmd_set;
1833 p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions;
1834 p_cfi->cfiq->DevSize = jedec_table[index].dev_size;
1835 p_cfi->cfi_mode = CFI_MODE_JEDEC;
1837 for (i=0; i<num_erase_regions; i++){
1838 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1840 p_cfi->cmdset_priv = NULL;
1842 /* This may be redundant for some cases, but it doesn't hurt */
1843 p_cfi->mfr = jedec_table[index].mfr_id;
1844 p_cfi->id = jedec_table[index].dev_id;
1846 uaddr = jedec_table[index].uaddr;
1848 /* The table has unlock addresses in _bytes_, and we try not to let
1849 our brains explode when we see the datasheets talking about address
1850 lines numbered from A-1 to A18. The CFI table has unlock addresses
1851 in device-words according to the mode the device is connected in */
1852 p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type;
1853 p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type;
1860 * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1861 * the mapped address, unlock addresses, and proper chip ID. This function
1862 * attempts to minimize errors. It is doubtfull that this probe will ever
1863 * be perfect - consequently there should be some module parameters that
1864 * could be manually specified to force the chip info.
1866 static inline int jedec_match( uint32_t base,
1867 struct map_info *map,
1868 struct cfi_private *cfi,
1869 const struct amd_flash_info *finfo )
1871 int rc = 0; /* failure until all tests pass */
1876 * The IDs must match. For X16 and X32 devices operating in
1877 * a lower width ( X8 or X16 ), the device ID's are usually just
1878 * the lower byte(s) of the larger device ID for wider mode. If
1879 * a part is found that doesn't fit this assumption (device id for
1880 * smaller width mode is completely unrealated to full-width mode)
1881 * then the jedec_table[] will have to be augmented with the IDs
1882 * for different widths.
1884 switch (cfi->device_type) {
1885 case CFI_DEVICETYPE_X8:
1886 mfr = (uint8_t)finfo->mfr_id;
1887 id = (uint8_t)finfo->dev_id;
1889 /* bjd: it seems that if we do this, we can end up
1890 * detecting 16bit flashes as an 8bit device, even though
1893 if (finfo->dev_id > 0xff) {
1894 DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1899 case CFI_DEVICETYPE_X16:
1900 mfr = (uint16_t)finfo->mfr_id;
1901 id = (uint16_t)finfo->dev_id;
1903 case CFI_DEVICETYPE_X32:
1904 mfr = (uint16_t)finfo->mfr_id;
1905 id = (uint32_t)finfo->dev_id;
1909 "MTD %s(): Unsupported device type %d\n",
1910 __func__, cfi->device_type);
1913 if ( cfi->mfr != mfr || cfi->id != id ) {
1917 /* the part size must fit in the memory window */
1918 DEBUG( MTD_DEBUG_LEVEL3,
1919 "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1920 __func__, base, 1 << finfo->dev_size, base + (1 << finfo->dev_size) );
1921 if ( base + cfi_interleave(cfi) * ( 1 << finfo->dev_size ) > map->size ) {
1922 DEBUG( MTD_DEBUG_LEVEL3,
1923 "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1924 __func__, finfo->mfr_id, finfo->dev_id,
1925 1 << finfo->dev_size );
1929 if (! (finfo->devtypes & cfi->device_type))
1932 uaddr = finfo->uaddr;
1934 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
1935 __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
1936 if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
1937 && ( unlock_addrs[uaddr].addr1 / cfi->device_type != cfi->addr_unlock1 ||
1938 unlock_addrs[uaddr].addr2 / cfi->device_type != cfi->addr_unlock2 ) ) {
1939 DEBUG( MTD_DEBUG_LEVEL3,
1940 "MTD %s(): 0x%.4x 0x%.4x did not match\n",
1942 unlock_addrs[uaddr].addr1,
1943 unlock_addrs[uaddr].addr2);
1948 * Make sure the ID's dissappear when the device is taken out of
1949 * ID mode. The only time this should fail when it should succeed
1950 * is when the ID's are written as data to the same
1951 * addresses. For this rare and unfortunate case the chip
1952 * cannot be probed correctly.
1953 * FIXME - write a driver that takes all of the chip info as
1954 * module parameters, doesn't probe but forces a load.
1956 DEBUG( MTD_DEBUG_LEVEL3,
1957 "MTD %s(): check ID's disappear when not in ID mode\n",
1959 jedec_reset( base, map, cfi );
1960 mfr = jedec_read_mfr( map, base, cfi );
1961 id = jedec_read_id( map, base, cfi );
1962 if ( mfr == cfi->mfr && id == cfi->id ) {
1963 DEBUG( MTD_DEBUG_LEVEL3,
1964 "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
1965 "You might need to manually specify JEDEC parameters.\n",
1966 __func__, cfi->mfr, cfi->id );
1970 /* all tests passed - mark as success */
1974 * Put the device back in ID mode - only need to do this if we
1975 * were truly frobbing a real device.
1977 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
1978 if (cfi->addr_unlock1) {
1979 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1980 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1982 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1983 /* FIXME - should have a delay before continuing */
1990 static int jedec_probe_chip(struct map_info *map, __u32 base,
1991 unsigned long *chip_map, struct cfi_private *cfi)
1994 enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
1995 u32 probe_offset1, probe_offset2;
1998 if (!cfi->numchips) {
2001 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2004 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1 / cfi->device_type;
2005 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2 / cfi->device_type;
2008 /* Make certain we aren't probing past the end of map */
2009 if (base >= map->size) {
2011 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2012 base, map->size -1);
2016 /* Ensure the unlock addresses we try stay inside the map */
2017 probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, cfi_interleave(cfi), cfi->device_type);
2018 probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, cfi_interleave(cfi), cfi->device_type);
2019 if ( ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2020 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2024 jedec_reset(base, map, cfi);
2026 /* Autoselect Mode */
2027 if(cfi->addr_unlock1) {
2028 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2029 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2031 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2032 /* FIXME - should have a delay before continuing */
2034 if (!cfi->numchips) {
2035 /* This is the first time we're called. Set up the CFI
2036 stuff accordingly and return */
2038 cfi->mfr = jedec_read_mfr(map, base, cfi);
2039 cfi->id = jedec_read_id(map, base, cfi);
2040 DEBUG(MTD_DEBUG_LEVEL3,
2041 "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2042 cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2043 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
2044 if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
2045 DEBUG( MTD_DEBUG_LEVEL3,
2046 "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2047 __func__, cfi->mfr, cfi->id,
2048 cfi->addr_unlock1, cfi->addr_unlock2 );
2049 if (!cfi_jedec_setup(cfi, i))
2059 /* Make sure it is a chip of the same manufacturer and id */
2060 mfr = jedec_read_mfr(map, base, cfi);
2061 id = jedec_read_id(map, base, cfi);
2063 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2064 printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2065 map->name, mfr, id, base);
2066 jedec_reset(base, map, cfi);
2071 /* Check each previous chip locations to see if it's an alias */
2072 for (i=0; i < (base >> cfi->chipshift); i++) {
2073 unsigned long start;
2074 if(!test_bit(i, chip_map)) {
2075 continue; /* Skip location; no valid chip at this address */
2077 start = i << cfi->chipshift;
2078 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2079 jedec_read_id(map, start, cfi) == cfi->id) {
2080 /* Eep. This chip also looks like it's in autoselect mode.
2081 Is it an alias for the new one? */
2082 jedec_reset(start, map, cfi);
2084 /* If the device IDs go away, it's an alias */
2085 if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2086 jedec_read_id(map, base, cfi) != cfi->id) {
2087 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2088 map->name, base, start);
2092 /* Yes, it's actually got the device IDs as data. Most
2093 * unfortunate. Stick the new chip in read mode
2094 * too and if it's the same, assume it's an alias. */
2095 /* FIXME: Use other modes to do a proper check */
2096 jedec_reset(base, map, cfi);
2097 if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2098 jedec_read_id(map, base, cfi) == cfi->id) {
2099 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2100 map->name, base, start);
2106 /* OK, if we got to here, then none of the previous chips appear to
2107 be aliases for the current one. */
2108 set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2112 /* Put it back into Read Mode */
2113 jedec_reset(base, map, cfi);
2115 printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2116 map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2122 static struct chip_probe jedec_chip_probe = {
2124 .probe_chip = jedec_probe_chip
2127 static struct mtd_info *jedec_probe(struct map_info *map)
2130 * Just use the generic probe stuff to call our CFI-specific
2131 * chip_probe routine in all the possible permutations, etc.
2133 return mtd_do_chip_probe(map, &jedec_chip_probe);
2136 static struct mtd_chip_driver jedec_chipdrv = {
2137 .probe = jedec_probe,
2138 .name = "jedec_probe",
2139 .module = THIS_MODULE
2142 static int __init jedec_probe_init(void)
2144 register_mtd_chip_driver(&jedec_chipdrv);
2148 static void __exit jedec_probe_exit(void)
2150 unregister_mtd_chip_driver(&jedec_chipdrv);
2153 module_init(jedec_probe_init);
2154 module_exit(jedec_probe_exit);
2156 MODULE_LICENSE("GPL");
2157 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2158 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");