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
63 #define AT49BV512 0x0003
64 #define AT29LV512 0x003d
65 #define AT49BV16X 0x00C0
66 #define AT49BV16XT 0x00C2
67 #define AT49BV32X 0x00C8
68 #define AT49BV32XT 0x00C9
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
84 #define HY29F002T 0x00B0
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
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
121 #define UPD29F064115 0x221C
124 #define PM49FL002 0x006D
125 #define PM49FL004 0x006E
126 #define PM49FL008 0x006A
129 #define LH28F640BF 0x00b0
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
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
165 #define TC58FVT160 0x00C2
166 #define TC58FVB160 0x0043
167 #define TC58FVT321 0x009A
168 #define TC58FVB321 0x009C
169 #define TC58FVT641 0x0093
170 #define TC58FVB641 0x0095
173 #define W49V002A 0x00b0
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.
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 */
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
212 static const struct unlock_addr unlock_addrs[] = {
213 [MTD_UADDR_NOT_SUPPORTED] = {
218 [MTD_UADDR_0x0555_0x02AA] = {
223 [MTD_UADDR_0x0555_0x0AAA] = {
228 [MTD_UADDR_0x5555_0x2AAA] = {
233 [MTD_UADDR_0x0AAA_0x0555] = {
238 [MTD_UADDR_DONT_CARE] = {
239 .addr1 = 0x0000, /* Doesn't matter which address */
240 .addr2 = 0x0000 /* is used - must be last entry */
243 [MTD_UADDR_UNNECESSARY] = {
249 struct amd_flash_info {
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 */
261 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
263 #define SIZE_64KiB 16
264 #define SIZE_128KiB 17
265 #define SIZE_256KiB 18
266 #define SIZE_512KiB 19
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.
278 static const struct amd_flash_info jedec_table[] = {
280 .mfr_id = MANUFACTURER_AMD,
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,
289 ERASEINFO(0x10000,64)
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 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
298 .dev_size = SIZE_2MiB,
299 .cmd_set = P_ID_AMD_STD,
302 ERASEINFO(0x10000,31),
303 ERASEINFO(0x08000,1),
304 ERASEINFO(0x02000,2),
308 .mfr_id = MANUFACTURER_AMD,
309 .dev_id = AM29LV160DB,
310 .name = "AMD AM29LV160DB",
311 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
312 .uaddr = MTD_UADDR_0x0AAA_0x0555,
313 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
314 .dev_size = SIZE_2MiB,
315 .cmd_set = P_ID_AMD_STD,
318 ERASEINFO(0x04000,1),
319 ERASEINFO(0x02000,2),
320 ERASEINFO(0x08000,1),
321 ERASEINFO(0x10000,31)
324 .mfr_id = MANUFACTURER_AMD,
325 .dev_id = AM29LV400BB,
326 .name = "AMD AM29LV400BB",
327 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
328 .uaddr = MTD_UADDR_0x0AAA_0x0555,
329 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
330 .dev_size = SIZE_512KiB,
331 .cmd_set = P_ID_AMD_STD,
334 ERASEINFO(0x04000,1),
335 ERASEINFO(0x02000,2),
336 ERASEINFO(0x08000,1),
340 .mfr_id = MANUFACTURER_AMD,
341 .dev_id = AM29LV400BT,
342 .name = "AMD AM29LV400BT",
343 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
344 .uaddr = MTD_UADDR_0x0AAA_0x0555,
345 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
346 .dev_size = SIZE_512KiB,
347 .cmd_set = P_ID_AMD_STD,
350 ERASEINFO(0x10000,7),
351 ERASEINFO(0x08000,1),
352 ERASEINFO(0x02000,2),
356 .mfr_id = MANUFACTURER_AMD,
357 .dev_id = AM29LV800BB,
358 .name = "AMD AM29LV800BB",
359 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
360 .uaddr = MTD_UADDR_0x0AAA_0x0555,
361 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
362 .dev_size = SIZE_1MiB,
363 .cmd_set = P_ID_AMD_STD,
366 ERASEINFO(0x04000,1),
367 ERASEINFO(0x02000,2),
368 ERASEINFO(0x08000,1),
369 ERASEINFO(0x10000,15),
373 .mfr_id = MANUFACTURER_AMD,
374 .dev_id = AM29DL800BB,
375 .name = "AMD AM29DL800BB",
376 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
377 .uaddr = MTD_UADDR_0x0AAA_0x0555,
378 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
379 .dev_size = SIZE_1MiB,
380 .cmd_set = P_ID_AMD_STD,
383 ERASEINFO(0x04000,1),
384 ERASEINFO(0x08000,1),
385 ERASEINFO(0x02000,4),
386 ERASEINFO(0x08000,1),
387 ERASEINFO(0x04000,1),
388 ERASEINFO(0x10000,14)
391 .mfr_id = MANUFACTURER_AMD,
392 .dev_id = AM29DL800BT,
393 .name = "AMD AM29DL800BT",
394 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
395 .uaddr = MTD_UADDR_0x0AAA_0x0555,
396 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
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 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
415 .dev_size = SIZE_1MiB,
416 .cmd_set = P_ID_AMD_STD,
419 ERASEINFO(0x04000,1),
420 ERASEINFO(0x02000,2),
421 ERASEINFO(0x08000,1),
422 ERASEINFO(0x10000,15),
425 .mfr_id = MANUFACTURER_AMD,
426 .dev_id = AM29LV800BT,
427 .name = "AMD AM29LV800BT",
428 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
429 .uaddr = MTD_UADDR_0x0AAA_0x0555,
430 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
431 .dev_size = SIZE_1MiB,
432 .cmd_set = P_ID_AMD_STD,
435 ERASEINFO(0x10000,15),
436 ERASEINFO(0x08000,1),
437 ERASEINFO(0x02000,2),
441 .mfr_id = MANUFACTURER_AMD,
442 .dev_id = AM29F800BT,
443 .name = "AMD AM29F800BT",
444 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
445 .uaddr = MTD_UADDR_0x0AAA_0x0555,
446 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
447 .dev_size = SIZE_1MiB,
448 .cmd_set = P_ID_AMD_STD,
451 ERASEINFO(0x10000,15),
452 ERASEINFO(0x08000,1),
453 ERASEINFO(0x02000,2),
457 .mfr_id = MANUFACTURER_AMD,
459 .name = "AMD AM29F017D",
460 .devtypes = CFI_DEVICETYPE_X8,
461 .uaddr = MTD_UADDR_DONT_CARE,
462 .dev_size = SIZE_2MiB,
463 .cmd_set = P_ID_AMD_STD,
466 ERASEINFO(0x10000,32),
469 .mfr_id = MANUFACTURER_AMD,
471 .name = "AMD AM29F016D",
472 .devtypes = CFI_DEVICETYPE_X8,
473 .uaddr = MTD_UADDR_0x0555_0x02AA,
474 .dev_size = SIZE_2MiB,
475 .cmd_set = P_ID_AMD_STD,
478 ERASEINFO(0x10000,32),
481 .mfr_id = MANUFACTURER_AMD,
483 .name = "AMD AM29F080",
484 .devtypes = CFI_DEVICETYPE_X8,
485 .uaddr = MTD_UADDR_0x0555_0x02AA,
486 .dev_size = SIZE_1MiB,
487 .cmd_set = P_ID_AMD_STD,
490 ERASEINFO(0x10000,16),
493 .mfr_id = MANUFACTURER_AMD,
495 .name = "AMD AM29F040",
496 .devtypes = CFI_DEVICETYPE_X8,
497 .uaddr = MTD_UADDR_0x0555_0x02AA,
498 .dev_size = SIZE_512KiB,
499 .cmd_set = P_ID_AMD_STD,
502 ERASEINFO(0x10000,8),
505 .mfr_id = MANUFACTURER_AMD,
506 .dev_id = AM29LV040B,
507 .name = "AMD AM29LV040B",
508 .devtypes = CFI_DEVICETYPE_X8,
509 .uaddr = MTD_UADDR_0x0555_0x02AA,
510 .dev_size = SIZE_512KiB,
511 .cmd_set = P_ID_AMD_STD,
514 ERASEINFO(0x10000,8),
517 .mfr_id = MANUFACTURER_AMD,
519 .name = "AMD AM29F002T",
520 .devtypes = CFI_DEVICETYPE_X8,
521 .uaddr = MTD_UADDR_0x0555_0x02AA,
522 .dev_size = SIZE_256KiB,
523 .cmd_set = P_ID_AMD_STD,
526 ERASEINFO(0x10000,3),
527 ERASEINFO(0x08000,1),
528 ERASEINFO(0x02000,2),
529 ERASEINFO(0x04000,1),
532 .mfr_id = MANUFACTURER_ATMEL,
534 .name = "Atmel AT49BV512",
535 .devtypes = CFI_DEVICETYPE_X8,
536 .uaddr = MTD_UADDR_0x5555_0x2AAA,
537 .dev_size = SIZE_64KiB,
538 .cmd_set = P_ID_AMD_STD,
544 .mfr_id = MANUFACTURER_ATMEL,
546 .name = "Atmel AT29LV512",
547 .devtypes = CFI_DEVICETYPE_X8,
548 .uaddr = MTD_UADDR_0x5555_0x2AAA,
549 .dev_size = SIZE_64KiB,
550 .cmd_set = P_ID_AMD_STD,
557 .mfr_id = MANUFACTURER_ATMEL,
559 .name = "Atmel AT49BV16X",
560 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
561 .uaddr = MTD_UADDR_0x0555_0x0AAA,
562 /* XX: Maybe MTD_UADDR_0x0555_0x0AAA ? */
563 .dev_size = SIZE_2MiB,
564 .cmd_set = P_ID_AMD_STD,
567 ERASEINFO(0x02000,8),
568 ERASEINFO(0x10000,31)
571 .mfr_id = MANUFACTURER_ATMEL,
572 .dev_id = AT49BV16XT,
573 .name = "Atmel AT49BV16XT",
574 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
575 .uaddr = MTD_UADDR_0x0555_0x0AAA,
576 /* XX: Maybe MTD_UADDR_0x0555_0x0AAA ? */
577 .dev_size = SIZE_2MiB,
578 .cmd_set = P_ID_AMD_STD,
581 ERASEINFO(0x10000,31),
585 .mfr_id = MANUFACTURER_ATMEL,
587 .name = "Atmel AT49BV32X",
588 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
589 .uaddr = MTD_UADDR_0x0555_0x0AAA,
590 /* XX: Maybe MTD_UADDR_0x0555_0x0AAA ? */
591 .dev_size = SIZE_4MiB,
592 .cmd_set = P_ID_AMD_STD,
595 ERASEINFO(0x02000,8),
596 ERASEINFO(0x10000,63)
599 .mfr_id = MANUFACTURER_ATMEL,
600 .dev_id = AT49BV32XT,
601 .name = "Atmel AT49BV32XT",
602 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
603 .uaddr = MTD_UADDR_0x0555_0x0AAA,
604 /* XX: Maybe MTD_UADDR_0x0555_0x0AAA ? */
605 .dev_size = SIZE_4MiB,
606 .cmd_set = P_ID_AMD_STD,
609 ERASEINFO(0x10000,63),
613 .mfr_id = MANUFACTURER_FUJITSU,
614 .dev_id = MBM29F040C,
615 .name = "Fujitsu MBM29F040C",
616 .devtypes = CFI_DEVICETYPE_X8,
617 .uaddr = MTD_UADDR_0x0AAA_0x0555,
618 .dev_size = SIZE_512KiB,
619 .cmd_set = P_ID_AMD_STD,
625 .mfr_id = MANUFACTURER_FUJITSU,
626 .dev_id = MBM29F800BA,
627 .name = "Fujitsu MBM29F800BA",
628 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
629 .uaddr = MTD_UADDR_0x0AAA_0x0555,
630 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
631 .dev_size = SIZE_1MiB,
632 .cmd_set = P_ID_AMD_STD,
635 ERASEINFO(0x04000,1),
636 ERASEINFO(0x02000,2),
637 ERASEINFO(0x08000,1),
638 ERASEINFO(0x10000,15),
641 .mfr_id = MANUFACTURER_FUJITSU,
642 .dev_id = MBM29LV650UE,
643 .name = "Fujitsu MBM29LV650UE",
644 .devtypes = CFI_DEVICETYPE_X8,
645 .uaddr = MTD_UADDR_DONT_CARE,
646 .dev_size = SIZE_8MiB,
647 .cmd_set = P_ID_AMD_STD,
650 ERASEINFO(0x10000,128)
653 .mfr_id = MANUFACTURER_FUJITSU,
654 .dev_id = MBM29LV320TE,
655 .name = "Fujitsu MBM29LV320TE",
656 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
657 .uaddr = MTD_UADDR_0x0AAA_0x0555,
658 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
659 .dev_size = SIZE_4MiB,
660 .cmd_set = P_ID_AMD_STD,
663 ERASEINFO(0x10000,63),
667 .mfr_id = MANUFACTURER_FUJITSU,
668 .dev_id = MBM29LV320BE,
669 .name = "Fujitsu MBM29LV320BE",
670 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
671 .uaddr = MTD_UADDR_0x0AAA_0x0555,
672 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
673 .dev_size = SIZE_4MiB,
674 .cmd_set = P_ID_AMD_STD,
677 ERASEINFO(0x02000,8),
678 ERASEINFO(0x10000,63)
681 .mfr_id = MANUFACTURER_FUJITSU,
682 .dev_id = MBM29LV160TE,
683 .name = "Fujitsu MBM29LV160TE",
684 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
685 .uaddr = MTD_UADDR_0x0AAA_0x0555,
686 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
687 .dev_size = SIZE_2MiB,
688 .cmd_set = P_ID_AMD_STD,
691 ERASEINFO(0x10000,31),
692 ERASEINFO(0x08000,1),
693 ERASEINFO(0x02000,2),
697 .mfr_id = MANUFACTURER_FUJITSU,
698 .dev_id = MBM29LV160BE,
699 .name = "Fujitsu MBM29LV160BE",
700 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
701 .uaddr = MTD_UADDR_0x0AAA_0x0555,
702 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
703 .dev_size = SIZE_2MiB,
704 .cmd_set = P_ID_AMD_STD,
707 ERASEINFO(0x04000,1),
708 ERASEINFO(0x02000,2),
709 ERASEINFO(0x08000,1),
710 ERASEINFO(0x10000,31)
713 .mfr_id = MANUFACTURER_FUJITSU,
714 .dev_id = MBM29LV800BA,
715 .name = "Fujitsu MBM29LV800BA",
716 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
717 .uaddr = MTD_UADDR_0x0AAA_0x0555,
718 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
719 .dev_size = SIZE_1MiB,
720 .cmd_set = P_ID_AMD_STD,
723 ERASEINFO(0x04000,1),
724 ERASEINFO(0x02000,2),
725 ERASEINFO(0x08000,1),
726 ERASEINFO(0x10000,15)
729 .mfr_id = MANUFACTURER_FUJITSU,
730 .dev_id = MBM29LV800TA,
731 .name = "Fujitsu MBM29LV800TA",
732 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
733 .uaddr = MTD_UADDR_0x0AAA_0x0555,
734 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
735 .dev_size = SIZE_1MiB,
736 .cmd_set = P_ID_AMD_STD,
739 ERASEINFO(0x10000,15),
740 ERASEINFO(0x08000,1),
741 ERASEINFO(0x02000,2),
745 .mfr_id = MANUFACTURER_FUJITSU,
746 .dev_id = MBM29LV400BC,
747 .name = "Fujitsu MBM29LV400BC",
748 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
749 .uaddr = MTD_UADDR_0x0AAA_0x0555,
750 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
751 .dev_size = SIZE_512KiB,
752 .cmd_set = P_ID_AMD_STD,
755 ERASEINFO(0x04000,1),
756 ERASEINFO(0x02000,2),
757 ERASEINFO(0x08000,1),
761 .mfr_id = MANUFACTURER_FUJITSU,
762 .dev_id = MBM29LV400TC,
763 .name = "Fujitsu MBM29LV400TC",
764 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
765 .uaddr = MTD_UADDR_0x0AAA_0x0555,
766 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
767 .dev_size = SIZE_512KiB,
768 .cmd_set = P_ID_AMD_STD,
771 ERASEINFO(0x10000,7),
772 ERASEINFO(0x08000,1),
773 ERASEINFO(0x02000,2),
777 .mfr_id = MANUFACTURER_HYUNDAI,
779 .name = "Hyundai HY29F002T",
780 .devtypes = CFI_DEVICETYPE_X8,
781 .uaddr = MTD_UADDR_0x0555_0x02AA,
782 .dev_size = SIZE_256KiB,
783 .cmd_set = P_ID_AMD_STD,
786 ERASEINFO(0x10000,3),
787 ERASEINFO(0x08000,1),
788 ERASEINFO(0x02000,2),
789 ERASEINFO(0x04000,1),
792 .mfr_id = MANUFACTURER_INTEL,
793 .dev_id = I28F004B3B,
794 .name = "Intel 28F004B3B",
795 .devtypes = CFI_DEVICETYPE_X8,
796 .uaddr = MTD_UADDR_UNNECESSARY,
797 .dev_size = SIZE_512KiB,
798 .cmd_set = P_ID_INTEL_STD,
801 ERASEINFO(0x02000, 8),
802 ERASEINFO(0x10000, 7),
805 .mfr_id = MANUFACTURER_INTEL,
806 .dev_id = I28F004B3T,
807 .name = "Intel 28F004B3T",
808 .devtypes = CFI_DEVICETYPE_X8,
809 .uaddr = MTD_UADDR_UNNECESSARY,
810 .dev_size = SIZE_512KiB,
811 .cmd_set = P_ID_INTEL_STD,
814 ERASEINFO(0x10000, 7),
815 ERASEINFO(0x02000, 8),
818 .mfr_id = MANUFACTURER_INTEL,
819 .dev_id = I28F400B3B,
820 .name = "Intel 28F400B3B",
821 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
822 .uaddr = MTD_UADDR_UNNECESSARY,
823 /* XX: Maybe MTD_UADDR_UNNECESSARY ? */
824 .dev_size = SIZE_512KiB,
825 .cmd_set = P_ID_INTEL_STD,
828 ERASEINFO(0x02000, 8),
829 ERASEINFO(0x10000, 7),
832 .mfr_id = MANUFACTURER_INTEL,
833 .dev_id = I28F400B3T,
834 .name = "Intel 28F400B3T",
835 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
836 .uaddr = MTD_UADDR_UNNECESSARY,
837 /* XX: Maybe MTD_UADDR_UNNECESSARY ? */
838 .dev_size = SIZE_512KiB,
839 .cmd_set = P_ID_INTEL_STD,
842 ERASEINFO(0x10000, 7),
843 ERASEINFO(0x02000, 8),
846 .mfr_id = MANUFACTURER_INTEL,
847 .dev_id = I28F008B3B,
848 .name = "Intel 28F008B3B",
849 .devtypes = CFI_DEVICETYPE_X8,
850 .uaddr = MTD_UADDR_UNNECESSARY,
851 .dev_size = SIZE_1MiB,
852 .cmd_set = P_ID_INTEL_STD,
855 ERASEINFO(0x02000, 8),
856 ERASEINFO(0x10000, 15),
859 .mfr_id = MANUFACTURER_INTEL,
860 .dev_id = I28F008B3T,
861 .name = "Intel 28F008B3T",
862 .devtypes = CFI_DEVICETYPE_X8,
863 .uaddr = MTD_UADDR_UNNECESSARY,
864 .dev_size = SIZE_1MiB,
865 .cmd_set = P_ID_INTEL_STD,
868 ERASEINFO(0x10000, 15),
869 ERASEINFO(0x02000, 8),
872 .mfr_id = MANUFACTURER_INTEL,
874 .name = "Intel 28F008S5",
875 .devtypes = CFI_DEVICETYPE_X8,
876 .uaddr = MTD_UADDR_UNNECESSARY,
877 .dev_size = SIZE_1MiB,
878 .cmd_set = P_ID_INTEL_EXT,
881 ERASEINFO(0x10000,16),
884 .mfr_id = MANUFACTURER_INTEL,
886 .name = "Intel 28F016S5",
887 .devtypes = CFI_DEVICETYPE_X8,
888 .uaddr = MTD_UADDR_UNNECESSARY,
889 .dev_size = SIZE_2MiB,
890 .cmd_set = P_ID_INTEL_EXT,
893 ERASEINFO(0x10000,32),
896 .mfr_id = MANUFACTURER_INTEL,
898 .name = "Intel 28F008SA",
899 .devtypes = CFI_DEVICETYPE_X8,
900 .uaddr = MTD_UADDR_UNNECESSARY,
901 .dev_size = SIZE_1MiB,
902 .cmd_set = P_ID_INTEL_STD,
905 ERASEINFO(0x10000, 16),
908 .mfr_id = MANUFACTURER_INTEL,
909 .dev_id = I28F800B3B,
910 .name = "Intel 28F800B3B",
911 .devtypes = CFI_DEVICETYPE_X16,
912 .uaddr = MTD_UADDR_UNNECESSARY,
913 .dev_size = SIZE_1MiB,
914 .cmd_set = P_ID_INTEL_STD,
917 ERASEINFO(0x02000, 8),
918 ERASEINFO(0x10000, 15),
921 .mfr_id = MANUFACTURER_INTEL,
922 .dev_id = I28F800B3T,
923 .name = "Intel 28F800B3T",
924 .devtypes = CFI_DEVICETYPE_X16,
925 .uaddr = MTD_UADDR_UNNECESSARY,
926 .dev_size = SIZE_1MiB,
927 .cmd_set = P_ID_INTEL_STD,
930 ERASEINFO(0x10000, 15),
931 ERASEINFO(0x02000, 8),
934 .mfr_id = MANUFACTURER_INTEL,
935 .dev_id = I28F016B3B,
936 .name = "Intel 28F016B3B",
937 .devtypes = CFI_DEVICETYPE_X8,
938 .uaddr = MTD_UADDR_UNNECESSARY,
939 .dev_size = SIZE_2MiB,
940 .cmd_set = P_ID_INTEL_STD,
943 ERASEINFO(0x02000, 8),
944 ERASEINFO(0x10000, 31),
947 .mfr_id = MANUFACTURER_INTEL,
949 .name = "Intel I28F016S3",
950 .devtypes = CFI_DEVICETYPE_X8,
951 .uaddr = MTD_UADDR_UNNECESSARY,
952 .dev_size = SIZE_2MiB,
953 .cmd_set = P_ID_INTEL_STD,
956 ERASEINFO(0x10000, 32),
959 .mfr_id = MANUFACTURER_INTEL,
960 .dev_id = I28F016B3T,
961 .name = "Intel 28F016B3T",
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, 31),
969 ERASEINFO(0x02000, 8),
972 .mfr_id = MANUFACTURER_INTEL,
973 .dev_id = I28F160B3B,
974 .name = "Intel 28F160B3B",
975 .devtypes = CFI_DEVICETYPE_X16,
976 .uaddr = MTD_UADDR_UNNECESSARY,
977 .dev_size = SIZE_2MiB,
978 .cmd_set = P_ID_INTEL_STD,
981 ERASEINFO(0x02000, 8),
982 ERASEINFO(0x10000, 31),
985 .mfr_id = MANUFACTURER_INTEL,
986 .dev_id = I28F160B3T,
987 .name = "Intel 28F160B3T",
988 .devtypes = CFI_DEVICETYPE_X16,
989 .uaddr = MTD_UADDR_UNNECESSARY,
990 .dev_size = SIZE_2MiB,
991 .cmd_set = P_ID_INTEL_STD,
994 ERASEINFO(0x10000, 31),
995 ERASEINFO(0x02000, 8),
998 .mfr_id = MANUFACTURER_INTEL,
999 .dev_id = I28F320B3B,
1000 .name = "Intel 28F320B3B",
1001 .devtypes = CFI_DEVICETYPE_X16,
1002 .uaddr = MTD_UADDR_UNNECESSARY,
1003 .dev_size = SIZE_4MiB,
1004 .cmd_set = P_ID_INTEL_STD,
1007 ERASEINFO(0x02000, 8),
1008 ERASEINFO(0x10000, 63),
1011 .mfr_id = MANUFACTURER_INTEL,
1012 .dev_id = I28F320B3T,
1013 .name = "Intel 28F320B3T",
1014 .devtypes = CFI_DEVICETYPE_X16,
1015 .uaddr = MTD_UADDR_UNNECESSARY,
1016 .dev_size = SIZE_4MiB,
1017 .cmd_set = P_ID_INTEL_STD,
1020 ERASEINFO(0x10000, 63),
1021 ERASEINFO(0x02000, 8),
1024 .mfr_id = MANUFACTURER_INTEL,
1025 .dev_id = I28F640B3B,
1026 .name = "Intel 28F640B3B",
1027 .devtypes = CFI_DEVICETYPE_X16,
1028 .uaddr = MTD_UADDR_UNNECESSARY,
1029 .dev_size = SIZE_8MiB,
1030 .cmd_set = P_ID_INTEL_STD,
1033 ERASEINFO(0x02000, 8),
1034 ERASEINFO(0x10000, 127),
1037 .mfr_id = MANUFACTURER_INTEL,
1038 .dev_id = I28F640B3T,
1039 .name = "Intel 28F640B3T",
1040 .devtypes = CFI_DEVICETYPE_X16,
1041 .uaddr = MTD_UADDR_UNNECESSARY,
1042 .dev_size = SIZE_8MiB,
1043 .cmd_set = P_ID_INTEL_STD,
1046 ERASEINFO(0x10000, 127),
1047 ERASEINFO(0x02000, 8),
1050 .mfr_id = MANUFACTURER_INTEL,
1052 .name = "Intel 82802AB",
1053 .devtypes = CFI_DEVICETYPE_X8,
1054 .uaddr = MTD_UADDR_UNNECESSARY,
1055 .dev_size = SIZE_512KiB,
1056 .cmd_set = P_ID_INTEL_EXT,
1059 ERASEINFO(0x10000,8),
1062 .mfr_id = MANUFACTURER_INTEL,
1064 .name = "Intel 82802AC",
1065 .devtypes = CFI_DEVICETYPE_X8,
1066 .uaddr = MTD_UADDR_UNNECESSARY,
1067 .dev_size = SIZE_1MiB,
1068 .cmd_set = P_ID_INTEL_EXT,
1071 ERASEINFO(0x10000,16),
1074 .mfr_id = MANUFACTURER_MACRONIX,
1075 .dev_id = MX29LV040C,
1076 .name = "Macronix MX29LV040C",
1077 .devtypes = CFI_DEVICETYPE_X8,
1078 .uaddr = MTD_UADDR_0x0555_0x02AA,
1079 .dev_size = SIZE_512KiB,
1080 .cmd_set = P_ID_AMD_STD,
1083 ERASEINFO(0x10000,8),
1086 .mfr_id = MANUFACTURER_MACRONIX,
1087 .dev_id = MX29LV160T,
1088 .name = "MXIC MX29LV160T",
1089 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1090 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1091 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1092 .dev_size = SIZE_2MiB,
1093 .cmd_set = P_ID_AMD_STD,
1096 ERASEINFO(0x10000,31),
1097 ERASEINFO(0x08000,1),
1098 ERASEINFO(0x02000,2),
1099 ERASEINFO(0x04000,1)
1102 .mfr_id = MANUFACTURER_NEC,
1103 .dev_id = UPD29F064115,
1104 .name = "NEC uPD29F064115",
1105 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1106 .uaddr = MTD_UADDR_0x0555_0x02AA,
1107 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1108 .dev_size = SIZE_8MiB,
1109 .cmd_set = P_ID_AMD_STD,
1112 ERASEINFO(0x2000,8),
1113 ERASEINFO(0x10000,126),
1114 ERASEINFO(0x2000,8),
1117 .mfr_id = MANUFACTURER_MACRONIX,
1118 .dev_id = MX29LV160B,
1119 .name = "MXIC MX29LV160B",
1120 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1121 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1122 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1123 .dev_size = SIZE_2MiB,
1124 .cmd_set = P_ID_AMD_STD,
1127 ERASEINFO(0x04000,1),
1128 ERASEINFO(0x02000,2),
1129 ERASEINFO(0x08000,1),
1130 ERASEINFO(0x10000,31)
1133 .mfr_id = MANUFACTURER_MACRONIX,
1135 .name = "Macronix MX29F040",
1136 .devtypes = CFI_DEVICETYPE_X8,
1137 .uaddr = MTD_UADDR_0x0555_0x02AA,
1138 .dev_size = SIZE_512KiB,
1139 .cmd_set = P_ID_AMD_STD,
1142 ERASEINFO(0x10000,8),
1145 .mfr_id = MANUFACTURER_MACRONIX,
1147 .name = "Macronix MX29F016",
1148 .devtypes = CFI_DEVICETYPE_X8,
1149 .uaddr = MTD_UADDR_0x0555_0x02AA,
1150 .dev_size = SIZE_2MiB,
1151 .cmd_set = P_ID_AMD_STD,
1154 ERASEINFO(0x10000,32),
1157 .mfr_id = MANUFACTURER_MACRONIX,
1158 .dev_id = MX29F004T,
1159 .name = "Macronix MX29F004T",
1160 .devtypes = CFI_DEVICETYPE_X8,
1161 .uaddr = MTD_UADDR_0x0555_0x02AA,
1162 .dev_size = SIZE_512KiB,
1163 .cmd_set = P_ID_AMD_STD,
1166 ERASEINFO(0x10000,7),
1167 ERASEINFO(0x08000,1),
1168 ERASEINFO(0x02000,2),
1169 ERASEINFO(0x04000,1),
1172 .mfr_id = MANUFACTURER_MACRONIX,
1173 .dev_id = MX29F004B,
1174 .name = "Macronix MX29F004B",
1175 .devtypes = CFI_DEVICETYPE_X8,
1176 .uaddr = MTD_UADDR_0x0555_0x02AA,
1177 .dev_size = SIZE_512KiB,
1178 .cmd_set = P_ID_AMD_STD,
1181 ERASEINFO(0x04000,1),
1182 ERASEINFO(0x02000,2),
1183 ERASEINFO(0x08000,1),
1184 ERASEINFO(0x10000,7),
1187 .mfr_id = MANUFACTURER_MACRONIX,
1188 .dev_id = MX29F002T,
1189 .name = "Macronix MX29F002T",
1190 .devtypes = CFI_DEVICETYPE_X8,
1191 .uaddr = MTD_UADDR_0x0555_0x02AA,
1192 .dev_size = SIZE_256KiB,
1193 .cmd_set = P_ID_AMD_STD,
1196 ERASEINFO(0x10000,3),
1197 ERASEINFO(0x08000,1),
1198 ERASEINFO(0x02000,2),
1199 ERASEINFO(0x04000,1),
1202 .mfr_id = MANUFACTURER_PMC,
1203 .dev_id = PM49FL002,
1204 .name = "PMC Pm49FL002",
1205 .devtypes = CFI_DEVICETYPE_X8,
1206 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1207 .dev_size = SIZE_256KiB,
1208 .cmd_set = P_ID_AMD_STD,
1211 ERASEINFO( 0x01000, 64 )
1214 .mfr_id = MANUFACTURER_PMC,
1215 .dev_id = PM49FL004,
1216 .name = "PMC Pm49FL004",
1217 .devtypes = CFI_DEVICETYPE_X8,
1218 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1219 .dev_size = SIZE_512KiB,
1220 .cmd_set = P_ID_AMD_STD,
1223 ERASEINFO( 0x01000, 128 )
1226 .mfr_id = MANUFACTURER_PMC,
1227 .dev_id = PM49FL008,
1228 .name = "PMC Pm49FL008",
1229 .devtypes = CFI_DEVICETYPE_X8,
1230 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1231 .dev_size = SIZE_1MiB,
1232 .cmd_set = P_ID_AMD_STD,
1235 ERASEINFO( 0x01000, 256 )
1238 .mfr_id = MANUFACTURER_SHARP,
1239 .dev_id = LH28F640BF,
1240 .name = "LH28F640BF",
1241 .devtypes = CFI_DEVICETYPE_X8,
1242 .uaddr = MTD_UADDR_UNNECESSARY,
1243 .dev_size = SIZE_4MiB,
1244 .cmd_set = P_ID_INTEL_STD,
1247 ERASEINFO(0x40000,16),
1250 .mfr_id = MANUFACTURER_SST,
1251 .dev_id = SST39LF512,
1252 .name = "SST 39LF512",
1253 .devtypes = CFI_DEVICETYPE_X8,
1254 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1255 .dev_size = SIZE_64KiB,
1256 .cmd_set = P_ID_AMD_STD,
1259 ERASEINFO(0x01000,16),
1262 .mfr_id = MANUFACTURER_SST,
1263 .dev_id = SST39LF010,
1264 .name = "SST 39LF010",
1265 .devtypes = CFI_DEVICETYPE_X8,
1266 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1267 .dev_size = SIZE_128KiB,
1268 .cmd_set = P_ID_AMD_STD,
1271 ERASEINFO(0x01000,32),
1274 .mfr_id = MANUFACTURER_SST,
1275 .dev_id = SST29EE020,
1276 .name = "SST 29EE020",
1277 .devtypes = CFI_DEVICETYPE_X8,
1278 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1279 .dev_size = SIZE_256KiB,
1280 .cmd_set = P_ID_SST_PAGE,
1282 .regions = {ERASEINFO(0x01000,64),
1285 .mfr_id = MANUFACTURER_SST,
1286 .dev_id = SST29LE020,
1287 .name = "SST 29LE020",
1288 .devtypes = CFI_DEVICETYPE_X8,
1289 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1290 .dev_size = SIZE_256KiB,
1291 .cmd_set = P_ID_SST_PAGE,
1293 .regions = {ERASEINFO(0x01000,64),
1296 .mfr_id = MANUFACTURER_SST,
1297 .dev_id = SST39LF020,
1298 .name = "SST 39LF020",
1299 .devtypes = CFI_DEVICETYPE_X8,
1300 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1301 .dev_size = SIZE_256KiB,
1302 .cmd_set = P_ID_AMD_STD,
1305 ERASEINFO(0x01000,64),
1308 .mfr_id = MANUFACTURER_SST,
1309 .dev_id = SST39LF040,
1310 .name = "SST 39LF040",
1311 .devtypes = CFI_DEVICETYPE_X8,
1312 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1313 .dev_size = SIZE_512KiB,
1314 .cmd_set = P_ID_AMD_STD,
1317 ERASEINFO(0x01000,128),
1320 .mfr_id = MANUFACTURER_SST,
1321 .dev_id = SST39SF010A,
1322 .name = "SST 39SF010A",
1323 .devtypes = CFI_DEVICETYPE_X8,
1324 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1325 .dev_size = SIZE_128KiB,
1326 .cmd_set = P_ID_AMD_STD,
1329 ERASEINFO(0x01000,32),
1332 .mfr_id = MANUFACTURER_SST,
1333 .dev_id = SST39SF020A,
1334 .name = "SST 39SF020A",
1335 .devtypes = CFI_DEVICETYPE_X8,
1336 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1337 .dev_size = SIZE_256KiB,
1338 .cmd_set = P_ID_AMD_STD,
1341 ERASEINFO(0x01000,64),
1344 .mfr_id = MANUFACTURER_SST,
1345 .dev_id = SST49LF040B,
1346 .name = "SST 49LF040B",
1347 .devtypes = CFI_DEVICETYPE_X8,
1348 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1349 .dev_size = SIZE_512KiB,
1350 .cmd_set = P_ID_AMD_STD,
1353 ERASEINFO(0x01000,128),
1357 .mfr_id = MANUFACTURER_SST,
1358 .dev_id = SST49LF004B,
1359 .name = "SST 49LF004B",
1360 .devtypes = CFI_DEVICETYPE_X8,
1361 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1362 .dev_size = SIZE_512KiB,
1363 .cmd_set = P_ID_AMD_STD,
1366 ERASEINFO(0x01000,128),
1369 .mfr_id = MANUFACTURER_SST,
1370 .dev_id = SST49LF008A,
1371 .name = "SST 49LF008A",
1372 .devtypes = CFI_DEVICETYPE_X8,
1373 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1374 .dev_size = SIZE_1MiB,
1375 .cmd_set = P_ID_AMD_STD,
1378 ERASEINFO(0x01000,256),
1381 .mfr_id = MANUFACTURER_SST,
1382 .dev_id = SST49LF030A,
1383 .name = "SST 49LF030A",
1384 .devtypes = CFI_DEVICETYPE_X8,
1385 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1386 .dev_size = SIZE_512KiB,
1387 .cmd_set = P_ID_AMD_STD,
1390 ERASEINFO(0x01000,96),
1393 .mfr_id = MANUFACTURER_SST,
1394 .dev_id = SST49LF040A,
1395 .name = "SST 49LF040A",
1396 .devtypes = CFI_DEVICETYPE_X8,
1397 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1398 .dev_size = SIZE_512KiB,
1399 .cmd_set = P_ID_AMD_STD,
1402 ERASEINFO(0x01000,128),
1405 .mfr_id = MANUFACTURER_SST,
1406 .dev_id = SST49LF080A,
1407 .name = "SST 49LF080A",
1408 .devtypes = CFI_DEVICETYPE_X8,
1409 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1410 .dev_size = SIZE_1MiB,
1411 .cmd_set = P_ID_AMD_STD,
1414 ERASEINFO(0x01000,256),
1417 .mfr_id = MANUFACTURER_SST, /* should be CFI */
1418 .dev_id = SST39LF160,
1419 .name = "SST 39LF160",
1420 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1421 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1422 /* XX: Maybe MTD_UADDR_0x5555_0x2AAA ? */
1423 .dev_size = SIZE_2MiB,
1424 .cmd_set = P_ID_AMD_STD,
1427 ERASEINFO(0x1000,256),
1428 ERASEINFO(0x1000,256)
1431 .mfr_id = MANUFACTURER_SST, /* should be CFI */
1432 .dev_id = SST39VF1601,
1433 .name = "SST 39VF1601",
1434 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1435 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1436 /* XX: Maybe MTD_UADDR_0x5555_0x2AAA ? */
1437 .dev_size = SIZE_2MiB,
1438 .cmd_set = P_ID_AMD_STD,
1441 ERASEINFO(0x1000,256),
1442 ERASEINFO(0x1000,256)
1445 .mfr_id = MANUFACTURER_ST,
1446 .dev_id = M29F800AB,
1447 .name = "ST M29F800AB",
1448 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1449 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1450 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1451 .dev_size = SIZE_1MiB,
1452 .cmd_set = P_ID_AMD_STD,
1455 ERASEINFO(0x04000,1),
1456 ERASEINFO(0x02000,2),
1457 ERASEINFO(0x08000,1),
1458 ERASEINFO(0x10000,15),
1461 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1462 .dev_id = M29W800DT,
1463 .name = "ST M29W800DT",
1464 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1465 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1466 /* XX: Maybe MTD_UADDR_0x5555_0x2AAA ? */
1467 .dev_size = SIZE_1MiB,
1468 .cmd_set = P_ID_AMD_STD,
1471 ERASEINFO(0x10000,15),
1472 ERASEINFO(0x08000,1),
1473 ERASEINFO(0x02000,2),
1474 ERASEINFO(0x04000,1)
1477 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1478 .dev_id = M29W800DB,
1479 .name = "ST M29W800DB",
1480 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1481 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1482 /* XX: Maybe MTD_UADDR_0x5555_0x2AAA ? */
1483 .dev_size = SIZE_1MiB,
1484 .cmd_set = P_ID_AMD_STD,
1487 ERASEINFO(0x04000,1),
1488 ERASEINFO(0x02000,2),
1489 ERASEINFO(0x08000,1),
1490 ERASEINFO(0x10000,15)
1493 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1494 .dev_id = M29W160DT,
1495 .name = "ST M29W160DT",
1496 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1497 .uaddr = MTD_UADDR_0x0555_0x02AA,
1498 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1499 .dev_size = SIZE_2MiB,
1500 .cmd_set = P_ID_AMD_STD,
1503 ERASEINFO(0x10000,31),
1504 ERASEINFO(0x08000,1),
1505 ERASEINFO(0x02000,2),
1506 ERASEINFO(0x04000,1)
1509 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1510 .dev_id = M29W160DB,
1511 .name = "ST M29W160DB",
1512 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1513 .uaddr = MTD_UADDR_0x0555_0x02AA,
1514 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1515 .dev_size = SIZE_2MiB,
1516 .cmd_set = P_ID_AMD_STD,
1519 ERASEINFO(0x04000,1),
1520 ERASEINFO(0x02000,2),
1521 ERASEINFO(0x08000,1),
1522 ERASEINFO(0x10000,31)
1525 .mfr_id = MANUFACTURER_ST,
1527 .name = "ST M29W040B",
1528 .devtypes = CFI_DEVICETYPE_X8,
1529 .uaddr = MTD_UADDR_0x0555_0x02AA,
1530 .dev_size = SIZE_512KiB,
1531 .cmd_set = P_ID_AMD_STD,
1534 ERASEINFO(0x10000,8),
1537 .mfr_id = MANUFACTURER_ST,
1539 .name = "ST M50FW040",
1540 .devtypes = CFI_DEVICETYPE_X8,
1541 .uaddr = MTD_UADDR_UNNECESSARY,
1542 .dev_size = SIZE_512KiB,
1543 .cmd_set = P_ID_INTEL_EXT,
1546 ERASEINFO(0x10000,8),
1549 .mfr_id = MANUFACTURER_ST,
1551 .name = "ST M50FW080",
1552 .devtypes = CFI_DEVICETYPE_X8,
1553 .uaddr = MTD_UADDR_UNNECESSARY,
1554 .dev_size = SIZE_1MiB,
1555 .cmd_set = P_ID_INTEL_EXT,
1558 ERASEINFO(0x10000,16),
1561 .mfr_id = MANUFACTURER_ST,
1563 .name = "ST M50FW016",
1564 .devtypes = CFI_DEVICETYPE_X8,
1565 .uaddr = MTD_UADDR_UNNECESSARY,
1566 .dev_size = SIZE_2MiB,
1567 .cmd_set = P_ID_INTEL_EXT,
1570 ERASEINFO(0x10000,32),
1573 .mfr_id = MANUFACTURER_ST,
1574 .dev_id = M50LPW080,
1575 .name = "ST M50LPW080",
1576 .devtypes = CFI_DEVICETYPE_X8,
1577 .uaddr = MTD_UADDR_UNNECESSARY,
1578 .dev_size = SIZE_1MiB,
1579 .cmd_set = P_ID_INTEL_EXT,
1582 ERASEINFO(0x10000,16),
1585 .mfr_id = MANUFACTURER_TOSHIBA,
1586 .dev_id = TC58FVT160,
1587 .name = "Toshiba TC58FVT160",
1588 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1589 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1590 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1591 .dev_size = SIZE_2MiB,
1592 .cmd_set = P_ID_AMD_STD,
1595 ERASEINFO(0x10000,31),
1596 ERASEINFO(0x08000,1),
1597 ERASEINFO(0x02000,2),
1598 ERASEINFO(0x04000,1)
1601 .mfr_id = MANUFACTURER_TOSHIBA,
1602 .dev_id = TC58FVB160,
1603 .name = "Toshiba TC58FVB160",
1604 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1605 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1606 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1607 .dev_size = SIZE_2MiB,
1608 .cmd_set = P_ID_AMD_STD,
1611 ERASEINFO(0x04000,1),
1612 ERASEINFO(0x02000,2),
1613 ERASEINFO(0x08000,1),
1614 ERASEINFO(0x10000,31)
1617 .mfr_id = MANUFACTURER_TOSHIBA,
1618 .dev_id = TC58FVB321,
1619 .name = "Toshiba TC58FVB321",
1620 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1621 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1622 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1623 .dev_size = SIZE_4MiB,
1624 .cmd_set = P_ID_AMD_STD,
1627 ERASEINFO(0x02000,8),
1628 ERASEINFO(0x10000,63)
1631 .mfr_id = MANUFACTURER_TOSHIBA,
1632 .dev_id = TC58FVT321,
1633 .name = "Toshiba TC58FVT321",
1634 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1635 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1636 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1637 .dev_size = SIZE_4MiB,
1638 .cmd_set = P_ID_AMD_STD,
1641 ERASEINFO(0x10000,63),
1642 ERASEINFO(0x02000,8)
1645 .mfr_id = MANUFACTURER_TOSHIBA,
1646 .dev_id = TC58FVB641,
1647 .name = "Toshiba TC58FVB641",
1648 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1649 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1650 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1651 .dev_size = SIZE_8MiB,
1652 .cmd_set = P_ID_AMD_STD,
1655 ERASEINFO(0x02000,8),
1656 ERASEINFO(0x10000,127)
1659 .mfr_id = MANUFACTURER_TOSHIBA,
1660 .dev_id = TC58FVT641,
1661 .name = "Toshiba TC58FVT641",
1662 .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
1663 .uaddr = MTD_UADDR_0x0AAA_0x0555,
1664 /* XX: Maybe MTD_UADDR_0x0555_0x02AA ? */
1665 .dev_size = SIZE_8MiB,
1666 .cmd_set = P_ID_AMD_STD,
1669 ERASEINFO(0x10000,127),
1670 ERASEINFO(0x02000,8)
1673 .mfr_id = MANUFACTURER_WINBOND,
1675 .name = "Winbond W49V002A",
1676 .devtypes = CFI_DEVICETYPE_X8,
1677 .uaddr = MTD_UADDR_0x5555_0x2AAA,
1678 .dev_size = SIZE_256KiB,
1679 .cmd_set = P_ID_AMD_STD,
1682 ERASEINFO(0x10000, 3),
1683 ERASEINFO(0x08000, 1),
1684 ERASEINFO(0x02000, 2),
1685 ERASEINFO(0x04000, 1),
1691 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index);
1693 static int jedec_probe_chip(struct map_info *map, uint32_t base,
1694 unsigned long *chip_map, struct cfi_private *cfi);
1696 static struct mtd_info *jedec_probe(struct map_info *map);
1698 static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1699 struct cfi_private *cfi)
1703 u32 ofs = cfi_build_cmd_addr(0, cfi_interleave(cfi), cfi->device_type);
1704 mask = (1 << (cfi->device_type * 8)) -1;
1705 result = map_read(map, base + ofs);
1706 return result.x[0] & mask;
1709 static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1710 struct cfi_private *cfi)
1714 u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type);
1715 mask = (1 << (cfi->device_type * 8)) -1;
1716 result = map_read(map, base + ofs);
1717 return result.x[0] & mask;
1720 static inline void jedec_reset(u32 base, struct map_info *map,
1721 struct cfi_private *cfi)
1725 /* after checking the datasheets for SST, MACRONIX and ATMEL
1726 * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1727 * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1728 * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1729 * as they will ignore the writes and dont care what address
1730 * the F0 is written to */
1731 if(cfi->addr_unlock1) {
1732 DEBUG( MTD_DEBUG_LEVEL3,
1733 "reset unlock called %x %x \n",
1734 cfi->addr_unlock1,cfi->addr_unlock2);
1735 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1736 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1739 cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1740 /* Some misdesigned intel chips do not respond for 0xF0 for a reset,
1741 * so ensure we're in read mode. Send both the Intel and the AMD command
1742 * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so
1743 * this should be safe.
1745 cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1746 /* FIXME - should have reset delay before continuing */
1750 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1752 int i,num_erase_regions;
1755 if (! (jedec_table[index].devtypes & p_cfi->device_type)) {
1756 DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n",
1757 jedec_table[index].name, 4 * (1<<p_cfi->device_type));
1761 printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1763 num_erase_regions = jedec_table[index].nr_regions;
1765 p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1767 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1771 memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1773 p_cfi->cfiq->P_ID = jedec_table[index].cmd_set;
1774 p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions;
1775 p_cfi->cfiq->DevSize = jedec_table[index].dev_size;
1776 p_cfi->cfi_mode = CFI_MODE_JEDEC;
1778 for (i=0; i<num_erase_regions; i++){
1779 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1781 p_cfi->cmdset_priv = NULL;
1783 /* This may be redundant for some cases, but it doesn't hurt */
1784 p_cfi->mfr = jedec_table[index].mfr_id;
1785 p_cfi->id = jedec_table[index].dev_id;
1787 uaddr = jedec_table[index].uaddr;
1789 p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1;
1790 p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2;
1797 * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1798 * the mapped address, unlock addresses, and proper chip ID. This function
1799 * attempts to minimize errors. It is doubtfull that this probe will ever
1800 * be perfect - consequently there should be some module parameters that
1801 * could be manually specified to force the chip info.
1803 static inline int jedec_match( uint32_t base,
1804 struct map_info *map,
1805 struct cfi_private *cfi,
1806 const struct amd_flash_info *finfo )
1808 int rc = 0; /* failure until all tests pass */
1813 * The IDs must match. For X16 and X32 devices operating in
1814 * a lower width ( X8 or X16 ), the device ID's are usually just
1815 * the lower byte(s) of the larger device ID for wider mode. If
1816 * a part is found that doesn't fit this assumption (device id for
1817 * smaller width mode is completely unrealated to full-width mode)
1818 * then the jedec_table[] will have to be augmented with the IDs
1819 * for different widths.
1821 switch (cfi->device_type) {
1822 case CFI_DEVICETYPE_X8:
1823 mfr = (uint8_t)finfo->mfr_id;
1824 id = (uint8_t)finfo->dev_id;
1826 /* bjd: it seems that if we do this, we can end up
1827 * detecting 16bit flashes as an 8bit device, even though
1830 if (finfo->dev_id > 0xff) {
1831 DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1836 case CFI_DEVICETYPE_X16:
1837 mfr = (uint16_t)finfo->mfr_id;
1838 id = (uint16_t)finfo->dev_id;
1840 case CFI_DEVICETYPE_X32:
1841 mfr = (uint16_t)finfo->mfr_id;
1842 id = (uint32_t)finfo->dev_id;
1846 "MTD %s(): Unsupported device type %d\n",
1847 __func__, cfi->device_type);
1850 if ( cfi->mfr != mfr || cfi->id != id ) {
1854 /* the part size must fit in the memory window */
1855 DEBUG( MTD_DEBUG_LEVEL3,
1856 "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1857 __func__, base, 1 << finfo->dev_size, base + (1 << finfo->dev_size) );
1858 if ( base + cfi_interleave(cfi) * ( 1 << finfo->dev_size ) > map->size ) {
1859 DEBUG( MTD_DEBUG_LEVEL3,
1860 "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1861 __func__, finfo->mfr_id, finfo->dev_id,
1862 1 << finfo->dev_size );
1866 if (! (finfo->devtypes & cfi->device_type))
1869 uaddr = finfo->uaddr;
1871 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
1872 __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
1873 if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
1874 && ( unlock_addrs[uaddr].addr1 != cfi->addr_unlock1 ||
1875 unlock_addrs[uaddr].addr2 != cfi->addr_unlock2 ) ) {
1876 DEBUG( MTD_DEBUG_LEVEL3,
1877 "MTD %s(): 0x%.4x 0x%.4x did not match\n",
1879 unlock_addrs[uaddr].addr1,
1880 unlock_addrs[uaddr].addr2);
1885 * Make sure the ID's dissappear when the device is taken out of
1886 * ID mode. The only time this should fail when it should succeed
1887 * is when the ID's are written as data to the same
1888 * addresses. For this rare and unfortunate case the chip
1889 * cannot be probed correctly.
1890 * FIXME - write a driver that takes all of the chip info as
1891 * module parameters, doesn't probe but forces a load.
1893 DEBUG( MTD_DEBUG_LEVEL3,
1894 "MTD %s(): check ID's disappear when not in ID mode\n",
1896 jedec_reset( base, map, cfi );
1897 mfr = jedec_read_mfr( map, base, cfi );
1898 id = jedec_read_id( map, base, cfi );
1899 if ( mfr == cfi->mfr && id == cfi->id ) {
1900 DEBUG( MTD_DEBUG_LEVEL3,
1901 "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
1902 "You might need to manually specify JEDEC parameters.\n",
1903 __func__, cfi->mfr, cfi->id );
1907 /* all tests passed - mark as success */
1911 * Put the device back in ID mode - only need to do this if we
1912 * were truly frobbing a real device.
1914 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
1915 if(cfi->addr_unlock1) {
1916 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1917 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1919 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1920 /* FIXME - should have a delay before continuing */
1927 static int jedec_probe_chip(struct map_info *map, __u32 base,
1928 unsigned long *chip_map, struct cfi_private *cfi)
1931 enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
1932 u32 probe_offset1, probe_offset2;
1935 if (!cfi->numchips) {
1938 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
1941 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1;
1942 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2;
1945 /* Make certain we aren't probing past the end of map */
1946 if (base >= map->size) {
1948 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
1949 base, map->size -1);
1953 /* Ensure the unlock addresses we try stay inside the map */
1954 probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, cfi_interleave(cfi), cfi->device_type);
1955 probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, cfi_interleave(cfi), cfi->device_type);
1956 if ( ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
1957 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
1961 jedec_reset(base, map, cfi);
1963 /* Autoselect Mode */
1964 if(cfi->addr_unlock1) {
1965 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1966 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1968 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1969 /* FIXME - should have a delay before continuing */
1971 if (!cfi->numchips) {
1972 /* This is the first time we're called. Set up the CFI
1973 stuff accordingly and return */
1975 cfi->mfr = jedec_read_mfr(map, base, cfi);
1976 cfi->id = jedec_read_id(map, base, cfi);
1977 DEBUG(MTD_DEBUG_LEVEL3,
1978 "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
1979 cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
1980 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
1981 if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
1982 DEBUG( MTD_DEBUG_LEVEL3,
1983 "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
1984 __func__, cfi->mfr, cfi->id,
1985 cfi->addr_unlock1, cfi->addr_unlock2 );
1986 if (!cfi_jedec_setup(cfi, i))
1996 /* Make sure it is a chip of the same manufacturer and id */
1997 mfr = jedec_read_mfr(map, base, cfi);
1998 id = jedec_read_id(map, base, cfi);
2000 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2001 printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2002 map->name, mfr, id, base);
2003 jedec_reset(base, map, cfi);
2008 /* Check each previous chip locations to see if it's an alias */
2009 for (i=0; i < (base >> cfi->chipshift); i++) {
2010 unsigned long start;
2011 if(!test_bit(i, chip_map)) {
2012 continue; /* Skip location; no valid chip at this address */
2014 start = i << cfi->chipshift;
2015 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2016 jedec_read_id(map, start, cfi) == cfi->id) {
2017 /* Eep. This chip also looks like it's in autoselect mode.
2018 Is it an alias for the new one? */
2019 jedec_reset(start, map, cfi);
2021 /* If the device IDs go away, it's an alias */
2022 if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2023 jedec_read_id(map, base, cfi) != cfi->id) {
2024 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2025 map->name, base, start);
2029 /* Yes, it's actually got the device IDs as data. Most
2030 * unfortunate. Stick the new chip in read mode
2031 * too and if it's the same, assume it's an alias. */
2032 /* FIXME: Use other modes to do a proper check */
2033 jedec_reset(base, map, cfi);
2034 if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2035 jedec_read_id(map, base, cfi) == cfi->id) {
2036 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2037 map->name, base, start);
2043 /* OK, if we got to here, then none of the previous chips appear to
2044 be aliases for the current one. */
2045 set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2049 /* Put it back into Read Mode */
2050 jedec_reset(base, map, cfi);
2052 printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2053 map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2059 static struct chip_probe jedec_chip_probe = {
2061 .probe_chip = jedec_probe_chip
2064 static struct mtd_info *jedec_probe(struct map_info *map)
2067 * Just use the generic probe stuff to call our CFI-specific
2068 * chip_probe routine in all the possible permutations, etc.
2070 return mtd_do_chip_probe(map, &jedec_chip_probe);
2073 static struct mtd_chip_driver jedec_chipdrv = {
2074 .probe = jedec_probe,
2075 .name = "jedec_probe",
2076 .module = THIS_MODULE
2079 static int __init jedec_probe_init(void)
2081 register_mtd_chip_driver(&jedec_chipdrv);
2085 static void __exit jedec_probe_exit(void)
2087 unregister_mtd_chip_driver(&jedec_chipdrv);
2090 module_init(jedec_probe_init);
2091 module_exit(jedec_probe_exit);
2093 MODULE_LICENSE("GPL");
2094 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2095 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");