2 Common Flash Interface probe code.
3 (C) 2000 Red Hat. GPL'd.
4 See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
5 for the standard this probe goes back to.
7 Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
10 #include <linux/module.h>
11 #include <linux/init.h>
12 #include <linux/types.h>
13 #include <linux/kernel.h>
15 #include <asm/byteorder.h>
16 #include <linux/errno.h>
17 #include <linux/slab.h>
18 #include <linux/interrupt.h>
20 #include <linux/mtd/mtd.h>
21 #include <linux/mtd/map.h>
22 #include <linux/mtd/cfi.h>
23 #include <linux/mtd/gen_probe.h>
26 #define MANUFACTURER_AMD 0x0001
27 #define MANUFACTURER_ATMEL 0x001f
28 #define MANUFACTURER_EON 0x001c
29 #define MANUFACTURER_FUJITSU 0x0004
30 #define MANUFACTURER_HYUNDAI 0x00AD
31 #define MANUFACTURER_INTEL 0x0089
32 #define MANUFACTURER_MACRONIX 0x00C2
33 #define MANUFACTURER_NEC 0x0010
34 #define MANUFACTURER_PMC 0x009D
35 #define MANUFACTURER_SHARP 0x00b0
36 #define MANUFACTURER_SST 0x00BF
37 #define MANUFACTURER_ST 0x0020
38 #define MANUFACTURER_TOSHIBA 0x0098
39 #define MANUFACTURER_WINBOND 0x00da
40 #define CONTINUATION_CODE 0x007f
44 #define AM29DL800BB 0x22CB
45 #define AM29DL800BT 0x224A
47 #define AM29F800BB 0x2258
48 #define AM29F800BT 0x22D6
49 #define AM29LV400BB 0x22BA
50 #define AM29LV400BT 0x22B9
51 #define AM29LV800BB 0x225B
52 #define AM29LV800BT 0x22DA
53 #define AM29LV160DT 0x22C4
54 #define AM29LV160DB 0x2249
55 #define AM29F017D 0x003D
56 #define AM29F016D 0x00AD
57 #define AM29F080 0x00D5
58 #define AM29F040 0x00A4
59 #define AM29LV040B 0x004F
60 #define AM29F032B 0x0041
61 #define AM29F002T 0x00B0
62 #define AM29SL800DB 0x226B
63 #define AM29SL800DT 0x22EA
66 #define AT49BV512 0x0003
67 #define AT29LV512 0x003d
68 #define AT49BV16X 0x00C0
69 #define AT49BV16XT 0x00C2
70 #define AT49BV32X 0x00C8
71 #define AT49BV32XT 0x00C9
74 #define EN29SL800BB 0x226B
75 #define EN29SL800BT 0x22EA
78 #define MBM29F040C 0x00A4
79 #define MBM29F800BA 0x2258
80 #define MBM29LV650UE 0x22D7
81 #define MBM29LV320TE 0x22F6
82 #define MBM29LV320BE 0x22F9
83 #define MBM29LV160TE 0x22C4
84 #define MBM29LV160BE 0x2249
85 #define MBM29LV800BA 0x225B
86 #define MBM29LV800TA 0x22DA
87 #define MBM29LV400TC 0x22B9
88 #define MBM29LV400BC 0x22BA
91 #define HY29F002T 0x00B0
94 #define I28F004B3T 0x00d4
95 #define I28F004B3B 0x00d5
96 #define I28F400B3T 0x8894
97 #define I28F400B3B 0x8895
98 #define I28F008S5 0x00a6
99 #define I28F016S5 0x00a0
100 #define I28F008SA 0x00a2
101 #define I28F008B3T 0x00d2
102 #define I28F008B3B 0x00d3
103 #define I28F800B3T 0x8892
104 #define I28F800B3B 0x8893
105 #define I28F016S3 0x00aa
106 #define I28F016B3T 0x00d0
107 #define I28F016B3B 0x00d1
108 #define I28F160B3T 0x8890
109 #define I28F160B3B 0x8891
110 #define I28F320B3T 0x8896
111 #define I28F320B3B 0x8897
112 #define I28F640B3T 0x8898
113 #define I28F640B3B 0x8899
114 #define I82802AB 0x00ad
115 #define I82802AC 0x00ac
118 #define MX29LV040C 0x004F
119 #define MX29LV160T 0x22C4
120 #define MX29LV160B 0x2249
121 #define MX29F040 0x00A4
122 #define MX29F016 0x00AD
123 #define MX29F002T 0x00B0
124 #define MX29F004T 0x0045
125 #define MX29F004B 0x0046
128 #define UPD29F064115 0x221C
131 #define PM49FL002 0x006D
132 #define PM49FL004 0x006E
133 #define PM49FL008 0x006A
136 #define LH28F640BF 0x00b0
138 /* ST - www.st.com */
139 #define M29F800AB 0x0058
140 #define M29W800DT 0x00D7
141 #define M29W800DB 0x005B
142 #define M29W400DT 0x00EE
143 #define M29W400DB 0x00EF
144 #define M29W160DT 0x22C4
145 #define M29W160DB 0x2249
146 #define M29W040B 0x00E3
147 #define M50FW040 0x002C
148 #define M50FW080 0x002D
149 #define M50FW016 0x002E
150 #define M50LPW080 0x002F
151 #define M50FLW080A 0x0080
152 #define M50FLW080B 0x0081
155 #define SST29EE020 0x0010
156 #define SST29LE020 0x0012
157 #define SST29EE512 0x005d
158 #define SST29LE512 0x003d
159 #define SST39LF800 0x2781
160 #define SST39LF160 0x2782
161 #define SST39VF1601 0x234b
162 #define SST39LF512 0x00D4
163 #define SST39LF010 0x00D5
164 #define SST39LF020 0x00D6
165 #define SST39LF040 0x00D7
166 #define SST39SF010A 0x00B5
167 #define SST39SF020A 0x00B6
168 #define SST49LF004B 0x0060
169 #define SST49LF040B 0x0050
170 #define SST49LF008A 0x005a
171 #define SST49LF030A 0x001C
172 #define SST49LF040A 0x0051
173 #define SST49LF080A 0x005B
174 #define SST36VF3203 0x7354
177 #define TC58FVT160 0x00C2
178 #define TC58FVB160 0x0043
179 #define TC58FVT321 0x009A
180 #define TC58FVB321 0x009C
181 #define TC58FVT641 0x0093
182 #define TC58FVB641 0x0095
185 #define W49V002A 0x00b0
189 * Unlock address sets for AMD command sets.
190 * Intel command sets use the MTD_UADDR_UNNECESSARY.
191 * Each identifier, except MTD_UADDR_UNNECESSARY, and
192 * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
193 * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
194 * initialization need not require initializing all of the
195 * unlock addresses for all bit widths.
198 MTD_UADDR_NOT_SUPPORTED
= 0, /* data width not supported */
199 MTD_UADDR_0x0555_0x02AA
,
200 MTD_UADDR_0x0555_0x0AAA
,
201 MTD_UADDR_0x5555_0x2AAA
,
202 MTD_UADDR_0x0AAA_0x0555
,
203 MTD_UADDR_0xAAAA_0x5555
,
204 MTD_UADDR_DONT_CARE
, /* Requires an arbitrary address */
205 MTD_UADDR_UNNECESSARY
, /* Does not require any address */
216 * I don't like the fact that the first entry in unlock_addrs[]
217 * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
218 * should not be used. The problem is that structures with
219 * initializers have extra fields initialized to 0. It is _very_
220 * desireable to have the unlock address entries for unsupported
221 * data widths automatically initialized - that means that
222 * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
225 static const struct unlock_addr unlock_addrs
[] = {
226 [MTD_UADDR_NOT_SUPPORTED
] = {
231 [MTD_UADDR_0x0555_0x02AA
] = {
236 [MTD_UADDR_0x0555_0x0AAA
] = {
241 [MTD_UADDR_0x5555_0x2AAA
] = {
246 [MTD_UADDR_0x0AAA_0x0555
] = {
251 [MTD_UADDR_0xAAAA_0x5555
] = {
256 [MTD_UADDR_DONT_CARE
] = {
257 .addr1
= 0x0000, /* Doesn't matter which address */
258 .addr2
= 0x0000 /* is used - must be last entry */
261 [MTD_UADDR_UNNECESSARY
] = {
267 struct amd_flash_info
{
269 const uint16_t mfr_id
;
270 const uint16_t dev_id
;
271 const uint8_t dev_size
;
272 const uint8_t nr_regions
;
273 const uint16_t cmd_set
;
274 const uint32_t regions
[6];
275 const uint8_t devtypes
; /* Bitmask for x8, x16 etc. */
276 const uint8_t uaddr
; /* unlock addrs for 8, 16, 32, 64 */
279 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
281 #define SIZE_64KiB 16
282 #define SIZE_128KiB 17
283 #define SIZE_256KiB 18
284 #define SIZE_512KiB 19
292 * Please keep this list ordered by manufacturer!
293 * Fortunately, the list isn't searched often and so a
294 * slow, linear search isn't so bad.
296 static const struct amd_flash_info jedec_table
[] = {
298 .mfr_id
= MANUFACTURER_AMD
,
300 .name
= "AMD AM29F032B",
301 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
302 .devtypes
= CFI_DEVICETYPE_X8
,
303 .dev_size
= SIZE_4MiB
,
304 .cmd_set
= P_ID_AMD_STD
,
307 ERASEINFO(0x10000,64)
310 .mfr_id
= MANUFACTURER_AMD
,
311 .dev_id
= AM29LV160DT
,
312 .name
= "AMD AM29LV160DT",
313 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
314 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
315 .dev_size
= SIZE_2MiB
,
316 .cmd_set
= P_ID_AMD_STD
,
319 ERASEINFO(0x10000,31),
320 ERASEINFO(0x08000,1),
321 ERASEINFO(0x02000,2),
325 .mfr_id
= MANUFACTURER_AMD
,
326 .dev_id
= AM29LV160DB
,
327 .name
= "AMD AM29LV160DB",
328 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
329 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
330 .dev_size
= SIZE_2MiB
,
331 .cmd_set
= P_ID_AMD_STD
,
334 ERASEINFO(0x04000,1),
335 ERASEINFO(0x02000,2),
336 ERASEINFO(0x08000,1),
337 ERASEINFO(0x10000,31)
340 .mfr_id
= MANUFACTURER_AMD
,
341 .dev_id
= AM29LV400BB
,
342 .name
= "AMD AM29LV400BB",
343 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
344 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
345 .dev_size
= SIZE_512KiB
,
346 .cmd_set
= P_ID_AMD_STD
,
349 ERASEINFO(0x04000,1),
350 ERASEINFO(0x02000,2),
351 ERASEINFO(0x08000,1),
355 .mfr_id
= MANUFACTURER_AMD
,
356 .dev_id
= AM29LV400BT
,
357 .name
= "AMD AM29LV400BT",
358 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
359 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
360 .dev_size
= SIZE_512KiB
,
361 .cmd_set
= P_ID_AMD_STD
,
364 ERASEINFO(0x10000,7),
365 ERASEINFO(0x08000,1),
366 ERASEINFO(0x02000,2),
370 .mfr_id
= MANUFACTURER_AMD
,
371 .dev_id
= AM29LV800BB
,
372 .name
= "AMD AM29LV800BB",
373 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
374 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
375 .dev_size
= SIZE_1MiB
,
376 .cmd_set
= P_ID_AMD_STD
,
379 ERASEINFO(0x04000,1),
380 ERASEINFO(0x02000,2),
381 ERASEINFO(0x08000,1),
382 ERASEINFO(0x10000,15),
386 .mfr_id
= MANUFACTURER_AMD
,
387 .dev_id
= AM29DL800BB
,
388 .name
= "AMD AM29DL800BB",
389 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
390 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
391 .dev_size
= SIZE_1MiB
,
392 .cmd_set
= P_ID_AMD_STD
,
395 ERASEINFO(0x04000,1),
396 ERASEINFO(0x08000,1),
397 ERASEINFO(0x02000,4),
398 ERASEINFO(0x08000,1),
399 ERASEINFO(0x04000,1),
400 ERASEINFO(0x10000,14)
403 .mfr_id
= MANUFACTURER_AMD
,
404 .dev_id
= AM29DL800BT
,
405 .name
= "AMD AM29DL800BT",
406 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
407 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
408 .dev_size
= SIZE_1MiB
,
409 .cmd_set
= P_ID_AMD_STD
,
412 ERASEINFO(0x10000,14),
413 ERASEINFO(0x04000,1),
414 ERASEINFO(0x08000,1),
415 ERASEINFO(0x02000,4),
416 ERASEINFO(0x08000,1),
420 .mfr_id
= MANUFACTURER_AMD
,
421 .dev_id
= AM29F800BB
,
422 .name
= "AMD AM29F800BB",
423 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
424 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
425 .dev_size
= SIZE_1MiB
,
426 .cmd_set
= P_ID_AMD_STD
,
429 ERASEINFO(0x04000,1),
430 ERASEINFO(0x02000,2),
431 ERASEINFO(0x08000,1),
432 ERASEINFO(0x10000,15),
435 .mfr_id
= MANUFACTURER_AMD
,
436 .dev_id
= AM29LV800BT
,
437 .name
= "AMD AM29LV800BT",
438 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
439 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
440 .dev_size
= SIZE_1MiB
,
441 .cmd_set
= P_ID_AMD_STD
,
444 ERASEINFO(0x10000,15),
445 ERASEINFO(0x08000,1),
446 ERASEINFO(0x02000,2),
450 .mfr_id
= MANUFACTURER_AMD
,
451 .dev_id
= AM29F800BT
,
452 .name
= "AMD AM29F800BT",
453 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
454 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
455 .dev_size
= SIZE_1MiB
,
456 .cmd_set
= P_ID_AMD_STD
,
459 ERASEINFO(0x10000,15),
460 ERASEINFO(0x08000,1),
461 ERASEINFO(0x02000,2),
465 .mfr_id
= MANUFACTURER_AMD
,
467 .name
= "AMD AM29F017D",
468 .devtypes
= CFI_DEVICETYPE_X8
,
469 .uaddr
= MTD_UADDR_DONT_CARE
,
470 .dev_size
= SIZE_2MiB
,
471 .cmd_set
= P_ID_AMD_STD
,
474 ERASEINFO(0x10000,32),
477 .mfr_id
= MANUFACTURER_AMD
,
479 .name
= "AMD AM29F016D",
480 .devtypes
= CFI_DEVICETYPE_X8
,
481 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
482 .dev_size
= SIZE_2MiB
,
483 .cmd_set
= P_ID_AMD_STD
,
486 ERASEINFO(0x10000,32),
489 .mfr_id
= MANUFACTURER_AMD
,
491 .name
= "AMD AM29F080",
492 .devtypes
= CFI_DEVICETYPE_X8
,
493 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
494 .dev_size
= SIZE_1MiB
,
495 .cmd_set
= P_ID_AMD_STD
,
498 ERASEINFO(0x10000,16),
501 .mfr_id
= MANUFACTURER_AMD
,
503 .name
= "AMD AM29F040",
504 .devtypes
= CFI_DEVICETYPE_X8
,
505 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
506 .dev_size
= SIZE_512KiB
,
507 .cmd_set
= P_ID_AMD_STD
,
510 ERASEINFO(0x10000,8),
513 .mfr_id
= MANUFACTURER_AMD
,
514 .dev_id
= AM29LV040B
,
515 .name
= "AMD AM29LV040B",
516 .devtypes
= CFI_DEVICETYPE_X8
,
517 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
518 .dev_size
= SIZE_512KiB
,
519 .cmd_set
= P_ID_AMD_STD
,
522 ERASEINFO(0x10000,8),
525 .mfr_id
= MANUFACTURER_AMD
,
527 .name
= "AMD AM29F002T",
528 .devtypes
= CFI_DEVICETYPE_X8
,
529 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
530 .dev_size
= SIZE_256KiB
,
531 .cmd_set
= P_ID_AMD_STD
,
534 ERASEINFO(0x10000,3),
535 ERASEINFO(0x08000,1),
536 ERASEINFO(0x02000,2),
537 ERASEINFO(0x04000,1),
540 .mfr_id
= MANUFACTURER_AMD
,
541 .dev_id
= AM29SL800DT
,
542 .name
= "AMD AM29SL800DT",
543 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
544 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
545 .dev_size
= SIZE_1MiB
,
546 .cmd_set
= P_ID_AMD_STD
,
549 ERASEINFO(0x10000,15),
550 ERASEINFO(0x08000,1),
551 ERASEINFO(0x02000,2),
552 ERASEINFO(0x04000,1),
555 .mfr_id
= MANUFACTURER_AMD
,
556 .dev_id
= AM29SL800DB
,
557 .name
= "AMD AM29SL800DB",
558 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
559 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
560 .dev_size
= SIZE_1MiB
,
561 .cmd_set
= P_ID_AMD_STD
,
564 ERASEINFO(0x04000,1),
565 ERASEINFO(0x02000,2),
566 ERASEINFO(0x08000,1),
567 ERASEINFO(0x10000,15),
570 .mfr_id
= MANUFACTURER_ATMEL
,
572 .name
= "Atmel AT49BV512",
573 .devtypes
= CFI_DEVICETYPE_X8
,
574 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
575 .dev_size
= SIZE_64KiB
,
576 .cmd_set
= P_ID_AMD_STD
,
582 .mfr_id
= MANUFACTURER_ATMEL
,
584 .name
= "Atmel AT29LV512",
585 .devtypes
= CFI_DEVICETYPE_X8
,
586 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
587 .dev_size
= SIZE_64KiB
,
588 .cmd_set
= P_ID_AMD_STD
,
595 .mfr_id
= MANUFACTURER_ATMEL
,
597 .name
= "Atmel AT49BV16X",
598 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
599 .uaddr
= MTD_UADDR_0x0555_0x0AAA
, /* ???? */
600 .dev_size
= SIZE_2MiB
,
601 .cmd_set
= P_ID_AMD_STD
,
604 ERASEINFO(0x02000,8),
605 ERASEINFO(0x10000,31)
608 .mfr_id
= MANUFACTURER_ATMEL
,
609 .dev_id
= AT49BV16XT
,
610 .name
= "Atmel AT49BV16XT",
611 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
612 .uaddr
= MTD_UADDR_0x0555_0x0AAA
, /* ???? */
613 .dev_size
= SIZE_2MiB
,
614 .cmd_set
= P_ID_AMD_STD
,
617 ERASEINFO(0x10000,31),
621 .mfr_id
= MANUFACTURER_ATMEL
,
623 .name
= "Atmel AT49BV32X",
624 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
625 .uaddr
= MTD_UADDR_0x0555_0x0AAA
, /* ???? */
626 .dev_size
= SIZE_4MiB
,
627 .cmd_set
= P_ID_AMD_STD
,
630 ERASEINFO(0x02000,8),
631 ERASEINFO(0x10000,63)
634 .mfr_id
= MANUFACTURER_ATMEL
,
635 .dev_id
= AT49BV32XT
,
636 .name
= "Atmel AT49BV32XT",
637 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
638 .uaddr
= MTD_UADDR_0x0555_0x0AAA
, /* ???? */
639 .dev_size
= SIZE_4MiB
,
640 .cmd_set
= P_ID_AMD_STD
,
643 ERASEINFO(0x10000,63),
647 .mfr_id
= MANUFACTURER_EON
,
648 .dev_id
= EN29SL800BT
,
649 .name
= "Eon EN29SL800BT",
650 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
651 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
652 .dev_size
= SIZE_1MiB
,
653 .cmd_set
= P_ID_AMD_STD
,
656 ERASEINFO(0x10000,15),
657 ERASEINFO(0x08000,1),
658 ERASEINFO(0x02000,2),
659 ERASEINFO(0x04000,1),
662 .mfr_id
= MANUFACTURER_EON
,
663 .dev_id
= EN29SL800BB
,
664 .name
= "Eon EN29SL800BB",
665 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
666 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
667 .dev_size
= SIZE_1MiB
,
668 .cmd_set
= P_ID_AMD_STD
,
671 ERASEINFO(0x04000,1),
672 ERASEINFO(0x02000,2),
673 ERASEINFO(0x08000,1),
674 ERASEINFO(0x10000,15),
677 .mfr_id
= MANUFACTURER_FUJITSU
,
678 .dev_id
= MBM29F040C
,
679 .name
= "Fujitsu MBM29F040C",
680 .devtypes
= CFI_DEVICETYPE_X8
,
681 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
682 .dev_size
= SIZE_512KiB
,
683 .cmd_set
= P_ID_AMD_STD
,
689 .mfr_id
= MANUFACTURER_FUJITSU
,
690 .dev_id
= MBM29F800BA
,
691 .name
= "Fujitsu MBM29F800BA",
692 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
693 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
694 .dev_size
= SIZE_1MiB
,
695 .cmd_set
= P_ID_AMD_STD
,
698 ERASEINFO(0x04000,1),
699 ERASEINFO(0x02000,2),
700 ERASEINFO(0x08000,1),
701 ERASEINFO(0x10000,15),
704 .mfr_id
= MANUFACTURER_FUJITSU
,
705 .dev_id
= MBM29LV650UE
,
706 .name
= "Fujitsu MBM29LV650UE",
707 .devtypes
= CFI_DEVICETYPE_X8
,
708 .uaddr
= MTD_UADDR_DONT_CARE
,
709 .dev_size
= SIZE_8MiB
,
710 .cmd_set
= P_ID_AMD_STD
,
713 ERASEINFO(0x10000,128)
716 .mfr_id
= MANUFACTURER_FUJITSU
,
717 .dev_id
= MBM29LV320TE
,
718 .name
= "Fujitsu MBM29LV320TE",
719 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
720 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
721 .dev_size
= SIZE_4MiB
,
722 .cmd_set
= P_ID_AMD_STD
,
725 ERASEINFO(0x10000,63),
729 .mfr_id
= MANUFACTURER_FUJITSU
,
730 .dev_id
= MBM29LV320BE
,
731 .name
= "Fujitsu MBM29LV320BE",
732 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
733 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
734 .dev_size
= SIZE_4MiB
,
735 .cmd_set
= P_ID_AMD_STD
,
738 ERASEINFO(0x02000,8),
739 ERASEINFO(0x10000,63)
742 .mfr_id
= MANUFACTURER_FUJITSU
,
743 .dev_id
= MBM29LV160TE
,
744 .name
= "Fujitsu MBM29LV160TE",
745 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
746 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
747 .dev_size
= SIZE_2MiB
,
748 .cmd_set
= P_ID_AMD_STD
,
751 ERASEINFO(0x10000,31),
752 ERASEINFO(0x08000,1),
753 ERASEINFO(0x02000,2),
757 .mfr_id
= MANUFACTURER_FUJITSU
,
758 .dev_id
= MBM29LV160BE
,
759 .name
= "Fujitsu MBM29LV160BE",
760 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
761 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
762 .dev_size
= SIZE_2MiB
,
763 .cmd_set
= P_ID_AMD_STD
,
766 ERASEINFO(0x04000,1),
767 ERASEINFO(0x02000,2),
768 ERASEINFO(0x08000,1),
769 ERASEINFO(0x10000,31)
772 .mfr_id
= MANUFACTURER_FUJITSU
,
773 .dev_id
= MBM29LV800BA
,
774 .name
= "Fujitsu MBM29LV800BA",
775 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
776 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
777 .dev_size
= SIZE_1MiB
,
778 .cmd_set
= P_ID_AMD_STD
,
781 ERASEINFO(0x04000,1),
782 ERASEINFO(0x02000,2),
783 ERASEINFO(0x08000,1),
784 ERASEINFO(0x10000,15)
787 .mfr_id
= MANUFACTURER_FUJITSU
,
788 .dev_id
= MBM29LV800TA
,
789 .name
= "Fujitsu MBM29LV800TA",
790 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
791 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
792 .dev_size
= SIZE_1MiB
,
793 .cmd_set
= P_ID_AMD_STD
,
796 ERASEINFO(0x10000,15),
797 ERASEINFO(0x08000,1),
798 ERASEINFO(0x02000,2),
802 .mfr_id
= MANUFACTURER_FUJITSU
,
803 .dev_id
= MBM29LV400BC
,
804 .name
= "Fujitsu MBM29LV400BC",
805 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
806 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
807 .dev_size
= SIZE_512KiB
,
808 .cmd_set
= P_ID_AMD_STD
,
811 ERASEINFO(0x04000,1),
812 ERASEINFO(0x02000,2),
813 ERASEINFO(0x08000,1),
817 .mfr_id
= MANUFACTURER_FUJITSU
,
818 .dev_id
= MBM29LV400TC
,
819 .name
= "Fujitsu MBM29LV400TC",
820 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
821 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
822 .dev_size
= SIZE_512KiB
,
823 .cmd_set
= P_ID_AMD_STD
,
826 ERASEINFO(0x10000,7),
827 ERASEINFO(0x08000,1),
828 ERASEINFO(0x02000,2),
832 .mfr_id
= MANUFACTURER_HYUNDAI
,
834 .name
= "Hyundai HY29F002T",
835 .devtypes
= CFI_DEVICETYPE_X8
,
836 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
837 .dev_size
= SIZE_256KiB
,
838 .cmd_set
= P_ID_AMD_STD
,
841 ERASEINFO(0x10000,3),
842 ERASEINFO(0x08000,1),
843 ERASEINFO(0x02000,2),
844 ERASEINFO(0x04000,1),
847 .mfr_id
= MANUFACTURER_INTEL
,
848 .dev_id
= I28F004B3B
,
849 .name
= "Intel 28F004B3B",
850 .devtypes
= CFI_DEVICETYPE_X8
,
851 .uaddr
= MTD_UADDR_UNNECESSARY
,
852 .dev_size
= SIZE_512KiB
,
853 .cmd_set
= P_ID_INTEL_STD
,
856 ERASEINFO(0x02000, 8),
857 ERASEINFO(0x10000, 7),
860 .mfr_id
= MANUFACTURER_INTEL
,
861 .dev_id
= I28F004B3T
,
862 .name
= "Intel 28F004B3T",
863 .devtypes
= CFI_DEVICETYPE_X8
,
864 .uaddr
= MTD_UADDR_UNNECESSARY
,
865 .dev_size
= SIZE_512KiB
,
866 .cmd_set
= P_ID_INTEL_STD
,
869 ERASEINFO(0x10000, 7),
870 ERASEINFO(0x02000, 8),
873 .mfr_id
= MANUFACTURER_INTEL
,
874 .dev_id
= I28F400B3B
,
875 .name
= "Intel 28F400B3B",
876 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
877 .uaddr
= MTD_UADDR_UNNECESSARY
,
878 .dev_size
= SIZE_512KiB
,
879 .cmd_set
= P_ID_INTEL_STD
,
882 ERASEINFO(0x02000, 8),
883 ERASEINFO(0x10000, 7),
886 .mfr_id
= MANUFACTURER_INTEL
,
887 .dev_id
= I28F400B3T
,
888 .name
= "Intel 28F400B3T",
889 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
890 .uaddr
= MTD_UADDR_UNNECESSARY
,
891 .dev_size
= SIZE_512KiB
,
892 .cmd_set
= P_ID_INTEL_STD
,
895 ERASEINFO(0x10000, 7),
896 ERASEINFO(0x02000, 8),
899 .mfr_id
= MANUFACTURER_INTEL
,
900 .dev_id
= I28F008B3B
,
901 .name
= "Intel 28F008B3B",
902 .devtypes
= CFI_DEVICETYPE_X8
,
903 .uaddr
= MTD_UADDR_UNNECESSARY
,
904 .dev_size
= SIZE_1MiB
,
905 .cmd_set
= P_ID_INTEL_STD
,
908 ERASEINFO(0x02000, 8),
909 ERASEINFO(0x10000, 15),
912 .mfr_id
= MANUFACTURER_INTEL
,
913 .dev_id
= I28F008B3T
,
914 .name
= "Intel 28F008B3T",
915 .devtypes
= CFI_DEVICETYPE_X8
,
916 .uaddr
= MTD_UADDR_UNNECESSARY
,
917 .dev_size
= SIZE_1MiB
,
918 .cmd_set
= P_ID_INTEL_STD
,
921 ERASEINFO(0x10000, 15),
922 ERASEINFO(0x02000, 8),
925 .mfr_id
= MANUFACTURER_INTEL
,
927 .name
= "Intel 28F008S5",
928 .devtypes
= CFI_DEVICETYPE_X8
,
929 .uaddr
= MTD_UADDR_UNNECESSARY
,
930 .dev_size
= SIZE_1MiB
,
931 .cmd_set
= P_ID_INTEL_EXT
,
934 ERASEINFO(0x10000,16),
937 .mfr_id
= MANUFACTURER_INTEL
,
939 .name
= "Intel 28F016S5",
940 .devtypes
= CFI_DEVICETYPE_X8
,
941 .uaddr
= MTD_UADDR_UNNECESSARY
,
942 .dev_size
= SIZE_2MiB
,
943 .cmd_set
= P_ID_INTEL_EXT
,
946 ERASEINFO(0x10000,32),
949 .mfr_id
= MANUFACTURER_INTEL
,
951 .name
= "Intel 28F008SA",
952 .devtypes
= CFI_DEVICETYPE_X8
,
953 .uaddr
= MTD_UADDR_UNNECESSARY
,
954 .dev_size
= SIZE_1MiB
,
955 .cmd_set
= P_ID_INTEL_STD
,
958 ERASEINFO(0x10000, 16),
961 .mfr_id
= MANUFACTURER_INTEL
,
962 .dev_id
= I28F800B3B
,
963 .name
= "Intel 28F800B3B",
964 .devtypes
= CFI_DEVICETYPE_X16
,
965 .uaddr
= MTD_UADDR_UNNECESSARY
,
966 .dev_size
= SIZE_1MiB
,
967 .cmd_set
= P_ID_INTEL_STD
,
970 ERASEINFO(0x02000, 8),
971 ERASEINFO(0x10000, 15),
974 .mfr_id
= MANUFACTURER_INTEL
,
975 .dev_id
= I28F800B3T
,
976 .name
= "Intel 28F800B3T",
977 .devtypes
= CFI_DEVICETYPE_X16
,
978 .uaddr
= MTD_UADDR_UNNECESSARY
,
979 .dev_size
= SIZE_1MiB
,
980 .cmd_set
= P_ID_INTEL_STD
,
983 ERASEINFO(0x10000, 15),
984 ERASEINFO(0x02000, 8),
987 .mfr_id
= MANUFACTURER_INTEL
,
988 .dev_id
= I28F016B3B
,
989 .name
= "Intel 28F016B3B",
990 .devtypes
= CFI_DEVICETYPE_X8
,
991 .uaddr
= MTD_UADDR_UNNECESSARY
,
992 .dev_size
= SIZE_2MiB
,
993 .cmd_set
= P_ID_INTEL_STD
,
996 ERASEINFO(0x02000, 8),
997 ERASEINFO(0x10000, 31),
1000 .mfr_id
= MANUFACTURER_INTEL
,
1001 .dev_id
= I28F016S3
,
1002 .name
= "Intel I28F016S3",
1003 .devtypes
= CFI_DEVICETYPE_X8
,
1004 .uaddr
= MTD_UADDR_UNNECESSARY
,
1005 .dev_size
= SIZE_2MiB
,
1006 .cmd_set
= P_ID_INTEL_STD
,
1009 ERASEINFO(0x10000, 32),
1012 .mfr_id
= MANUFACTURER_INTEL
,
1013 .dev_id
= I28F016B3T
,
1014 .name
= "Intel 28F016B3T",
1015 .devtypes
= CFI_DEVICETYPE_X8
,
1016 .uaddr
= MTD_UADDR_UNNECESSARY
,
1017 .dev_size
= SIZE_2MiB
,
1018 .cmd_set
= P_ID_INTEL_STD
,
1021 ERASEINFO(0x10000, 31),
1022 ERASEINFO(0x02000, 8),
1025 .mfr_id
= MANUFACTURER_INTEL
,
1026 .dev_id
= I28F160B3B
,
1027 .name
= "Intel 28F160B3B",
1028 .devtypes
= CFI_DEVICETYPE_X16
,
1029 .uaddr
= MTD_UADDR_UNNECESSARY
,
1030 .dev_size
= SIZE_2MiB
,
1031 .cmd_set
= P_ID_INTEL_STD
,
1034 ERASEINFO(0x02000, 8),
1035 ERASEINFO(0x10000, 31),
1038 .mfr_id
= MANUFACTURER_INTEL
,
1039 .dev_id
= I28F160B3T
,
1040 .name
= "Intel 28F160B3T",
1041 .devtypes
= CFI_DEVICETYPE_X16
,
1042 .uaddr
= MTD_UADDR_UNNECESSARY
,
1043 .dev_size
= SIZE_2MiB
,
1044 .cmd_set
= P_ID_INTEL_STD
,
1047 ERASEINFO(0x10000, 31),
1048 ERASEINFO(0x02000, 8),
1051 .mfr_id
= MANUFACTURER_INTEL
,
1052 .dev_id
= I28F320B3B
,
1053 .name
= "Intel 28F320B3B",
1054 .devtypes
= CFI_DEVICETYPE_X16
,
1055 .uaddr
= MTD_UADDR_UNNECESSARY
,
1056 .dev_size
= SIZE_4MiB
,
1057 .cmd_set
= P_ID_INTEL_STD
,
1060 ERASEINFO(0x02000, 8),
1061 ERASEINFO(0x10000, 63),
1064 .mfr_id
= MANUFACTURER_INTEL
,
1065 .dev_id
= I28F320B3T
,
1066 .name
= "Intel 28F320B3T",
1067 .devtypes
= CFI_DEVICETYPE_X16
,
1068 .uaddr
= MTD_UADDR_UNNECESSARY
,
1069 .dev_size
= SIZE_4MiB
,
1070 .cmd_set
= P_ID_INTEL_STD
,
1073 ERASEINFO(0x10000, 63),
1074 ERASEINFO(0x02000, 8),
1077 .mfr_id
= MANUFACTURER_INTEL
,
1078 .dev_id
= I28F640B3B
,
1079 .name
= "Intel 28F640B3B",
1080 .devtypes
= CFI_DEVICETYPE_X16
,
1081 .uaddr
= MTD_UADDR_UNNECESSARY
,
1082 .dev_size
= SIZE_8MiB
,
1083 .cmd_set
= P_ID_INTEL_STD
,
1086 ERASEINFO(0x02000, 8),
1087 ERASEINFO(0x10000, 127),
1090 .mfr_id
= MANUFACTURER_INTEL
,
1091 .dev_id
= I28F640B3T
,
1092 .name
= "Intel 28F640B3T",
1093 .devtypes
= CFI_DEVICETYPE_X16
,
1094 .uaddr
= MTD_UADDR_UNNECESSARY
,
1095 .dev_size
= SIZE_8MiB
,
1096 .cmd_set
= P_ID_INTEL_STD
,
1099 ERASEINFO(0x10000, 127),
1100 ERASEINFO(0x02000, 8),
1103 .mfr_id
= MANUFACTURER_INTEL
,
1105 .name
= "Intel 82802AB",
1106 .devtypes
= CFI_DEVICETYPE_X8
,
1107 .uaddr
= MTD_UADDR_UNNECESSARY
,
1108 .dev_size
= SIZE_512KiB
,
1109 .cmd_set
= P_ID_INTEL_EXT
,
1112 ERASEINFO(0x10000,8),
1115 .mfr_id
= MANUFACTURER_INTEL
,
1117 .name
= "Intel 82802AC",
1118 .devtypes
= CFI_DEVICETYPE_X8
,
1119 .uaddr
= MTD_UADDR_UNNECESSARY
,
1120 .dev_size
= SIZE_1MiB
,
1121 .cmd_set
= P_ID_INTEL_EXT
,
1124 ERASEINFO(0x10000,16),
1127 .mfr_id
= MANUFACTURER_MACRONIX
,
1128 .dev_id
= MX29LV040C
,
1129 .name
= "Macronix MX29LV040C",
1130 .devtypes
= CFI_DEVICETYPE_X8
,
1131 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1132 .dev_size
= SIZE_512KiB
,
1133 .cmd_set
= P_ID_AMD_STD
,
1136 ERASEINFO(0x10000,8),
1139 .mfr_id
= MANUFACTURER_MACRONIX
,
1140 .dev_id
= MX29LV160T
,
1141 .name
= "MXIC MX29LV160T",
1142 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1143 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1144 .dev_size
= SIZE_2MiB
,
1145 .cmd_set
= P_ID_AMD_STD
,
1148 ERASEINFO(0x10000,31),
1149 ERASEINFO(0x08000,1),
1150 ERASEINFO(0x02000,2),
1151 ERASEINFO(0x04000,1)
1154 .mfr_id
= MANUFACTURER_NEC
,
1155 .dev_id
= UPD29F064115
,
1156 .name
= "NEC uPD29F064115",
1157 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1158 .uaddr
= MTD_UADDR_0x0555_0x02AA
, /* ???? */
1159 .dev_size
= SIZE_8MiB
,
1160 .cmd_set
= P_ID_AMD_STD
,
1163 ERASEINFO(0x2000,8),
1164 ERASEINFO(0x10000,126),
1165 ERASEINFO(0x2000,8),
1168 .mfr_id
= MANUFACTURER_MACRONIX
,
1169 .dev_id
= MX29LV160B
,
1170 .name
= "MXIC MX29LV160B",
1171 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1172 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1173 .dev_size
= SIZE_2MiB
,
1174 .cmd_set
= P_ID_AMD_STD
,
1177 ERASEINFO(0x04000,1),
1178 ERASEINFO(0x02000,2),
1179 ERASEINFO(0x08000,1),
1180 ERASEINFO(0x10000,31)
1183 .mfr_id
= MANUFACTURER_MACRONIX
,
1185 .name
= "Macronix MX29F040",
1186 .devtypes
= CFI_DEVICETYPE_X8
,
1187 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1188 .dev_size
= SIZE_512KiB
,
1189 .cmd_set
= P_ID_AMD_STD
,
1192 ERASEINFO(0x10000,8),
1195 .mfr_id
= MANUFACTURER_MACRONIX
,
1197 .name
= "Macronix MX29F016",
1198 .devtypes
= CFI_DEVICETYPE_X8
,
1199 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1200 .dev_size
= SIZE_2MiB
,
1201 .cmd_set
= P_ID_AMD_STD
,
1204 ERASEINFO(0x10000,32),
1207 .mfr_id
= MANUFACTURER_MACRONIX
,
1208 .dev_id
= MX29F004T
,
1209 .name
= "Macronix MX29F004T",
1210 .devtypes
= CFI_DEVICETYPE_X8
,
1211 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1212 .dev_size
= SIZE_512KiB
,
1213 .cmd_set
= P_ID_AMD_STD
,
1216 ERASEINFO(0x10000,7),
1217 ERASEINFO(0x08000,1),
1218 ERASEINFO(0x02000,2),
1219 ERASEINFO(0x04000,1),
1222 .mfr_id
= MANUFACTURER_MACRONIX
,
1223 .dev_id
= MX29F004B
,
1224 .name
= "Macronix MX29F004B",
1225 .devtypes
= CFI_DEVICETYPE_X8
,
1226 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1227 .dev_size
= SIZE_512KiB
,
1228 .cmd_set
= P_ID_AMD_STD
,
1231 ERASEINFO(0x04000,1),
1232 ERASEINFO(0x02000,2),
1233 ERASEINFO(0x08000,1),
1234 ERASEINFO(0x10000,7),
1237 .mfr_id
= MANUFACTURER_MACRONIX
,
1238 .dev_id
= MX29F002T
,
1239 .name
= "Macronix MX29F002T",
1240 .devtypes
= CFI_DEVICETYPE_X8
,
1241 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1242 .dev_size
= SIZE_256KiB
,
1243 .cmd_set
= P_ID_AMD_STD
,
1246 ERASEINFO(0x10000,3),
1247 ERASEINFO(0x08000,1),
1248 ERASEINFO(0x02000,2),
1249 ERASEINFO(0x04000,1),
1252 .mfr_id
= MANUFACTURER_PMC
,
1253 .dev_id
= PM49FL002
,
1254 .name
= "PMC Pm49FL002",
1255 .devtypes
= CFI_DEVICETYPE_X8
,
1256 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1257 .dev_size
= SIZE_256KiB
,
1258 .cmd_set
= P_ID_AMD_STD
,
1261 ERASEINFO( 0x01000, 64 )
1264 .mfr_id
= MANUFACTURER_PMC
,
1265 .dev_id
= PM49FL004
,
1266 .name
= "PMC Pm49FL004",
1267 .devtypes
= CFI_DEVICETYPE_X8
,
1268 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1269 .dev_size
= SIZE_512KiB
,
1270 .cmd_set
= P_ID_AMD_STD
,
1273 ERASEINFO( 0x01000, 128 )
1276 .mfr_id
= MANUFACTURER_PMC
,
1277 .dev_id
= PM49FL008
,
1278 .name
= "PMC Pm49FL008",
1279 .devtypes
= CFI_DEVICETYPE_X8
,
1280 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1281 .dev_size
= SIZE_1MiB
,
1282 .cmd_set
= P_ID_AMD_STD
,
1285 ERASEINFO( 0x01000, 256 )
1288 .mfr_id
= MANUFACTURER_SHARP
,
1289 .dev_id
= LH28F640BF
,
1290 .name
= "LH28F640BF",
1291 .devtypes
= CFI_DEVICETYPE_X8
,
1292 .uaddr
= MTD_UADDR_UNNECESSARY
,
1293 .dev_size
= SIZE_4MiB
,
1294 .cmd_set
= P_ID_INTEL_STD
,
1297 ERASEINFO(0x40000,16),
1300 .mfr_id
= MANUFACTURER_SST
,
1301 .dev_id
= SST39LF512
,
1302 .name
= "SST 39LF512",
1303 .devtypes
= CFI_DEVICETYPE_X8
,
1304 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1305 .dev_size
= SIZE_64KiB
,
1306 .cmd_set
= P_ID_AMD_STD
,
1309 ERASEINFO(0x01000,16),
1312 .mfr_id
= MANUFACTURER_SST
,
1313 .dev_id
= SST39LF010
,
1314 .name
= "SST 39LF010",
1315 .devtypes
= CFI_DEVICETYPE_X8
,
1316 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1317 .dev_size
= SIZE_128KiB
,
1318 .cmd_set
= P_ID_AMD_STD
,
1321 ERASEINFO(0x01000,32),
1324 .mfr_id
= MANUFACTURER_SST
,
1325 .dev_id
= SST29EE020
,
1326 .name
= "SST 29EE020",
1327 .devtypes
= CFI_DEVICETYPE_X8
,
1328 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1329 .dev_size
= SIZE_256KiB
,
1330 .cmd_set
= P_ID_SST_PAGE
,
1332 .regions
= {ERASEINFO(0x01000,64),
1335 .mfr_id
= MANUFACTURER_SST
,
1336 .dev_id
= SST29LE020
,
1337 .name
= "SST 29LE020",
1338 .devtypes
= CFI_DEVICETYPE_X8
,
1339 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1340 .dev_size
= SIZE_256KiB
,
1341 .cmd_set
= P_ID_SST_PAGE
,
1343 .regions
= {ERASEINFO(0x01000,64),
1346 .mfr_id
= MANUFACTURER_SST
,
1347 .dev_id
= SST39LF020
,
1348 .name
= "SST 39LF020",
1349 .devtypes
= CFI_DEVICETYPE_X8
,
1350 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1351 .dev_size
= SIZE_256KiB
,
1352 .cmd_set
= P_ID_AMD_STD
,
1355 ERASEINFO(0x01000,64),
1358 .mfr_id
= MANUFACTURER_SST
,
1359 .dev_id
= SST39LF040
,
1360 .name
= "SST 39LF040",
1361 .devtypes
= CFI_DEVICETYPE_X8
,
1362 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1363 .dev_size
= SIZE_512KiB
,
1364 .cmd_set
= P_ID_AMD_STD
,
1367 ERASEINFO(0x01000,128),
1370 .mfr_id
= MANUFACTURER_SST
,
1371 .dev_id
= SST39SF010A
,
1372 .name
= "SST 39SF010A",
1373 .devtypes
= CFI_DEVICETYPE_X8
,
1374 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1375 .dev_size
= SIZE_128KiB
,
1376 .cmd_set
= P_ID_AMD_STD
,
1379 ERASEINFO(0x01000,32),
1382 .mfr_id
= MANUFACTURER_SST
,
1383 .dev_id
= SST39SF020A
,
1384 .name
= "SST 39SF020A",
1385 .devtypes
= CFI_DEVICETYPE_X8
,
1386 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1387 .dev_size
= SIZE_256KiB
,
1388 .cmd_set
= P_ID_AMD_STD
,
1391 ERASEINFO(0x01000,64),
1394 .mfr_id
= MANUFACTURER_SST
,
1395 .dev_id
= SST49LF040B
,
1396 .name
= "SST 49LF040B",
1397 .devtypes
= CFI_DEVICETYPE_X8
,
1398 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1399 .dev_size
= SIZE_512KiB
,
1400 .cmd_set
= P_ID_AMD_STD
,
1403 ERASEINFO(0x01000,128),
1407 .mfr_id
= MANUFACTURER_SST
,
1408 .dev_id
= SST49LF004B
,
1409 .name
= "SST 49LF004B",
1410 .devtypes
= CFI_DEVICETYPE_X8
,
1411 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1412 .dev_size
= SIZE_512KiB
,
1413 .cmd_set
= P_ID_AMD_STD
,
1416 ERASEINFO(0x01000,128),
1419 .mfr_id
= MANUFACTURER_SST
,
1420 .dev_id
= SST49LF008A
,
1421 .name
= "SST 49LF008A",
1422 .devtypes
= CFI_DEVICETYPE_X8
,
1423 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1424 .dev_size
= SIZE_1MiB
,
1425 .cmd_set
= P_ID_AMD_STD
,
1428 ERASEINFO(0x01000,256),
1431 .mfr_id
= MANUFACTURER_SST
,
1432 .dev_id
= SST49LF030A
,
1433 .name
= "SST 49LF030A",
1434 .devtypes
= CFI_DEVICETYPE_X8
,
1435 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1436 .dev_size
= SIZE_512KiB
,
1437 .cmd_set
= P_ID_AMD_STD
,
1440 ERASEINFO(0x01000,96),
1443 .mfr_id
= MANUFACTURER_SST
,
1444 .dev_id
= SST49LF040A
,
1445 .name
= "SST 49LF040A",
1446 .devtypes
= CFI_DEVICETYPE_X8
,
1447 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1448 .dev_size
= SIZE_512KiB
,
1449 .cmd_set
= P_ID_AMD_STD
,
1452 ERASEINFO(0x01000,128),
1455 .mfr_id
= MANUFACTURER_SST
,
1456 .dev_id
= SST49LF080A
,
1457 .name
= "SST 49LF080A",
1458 .devtypes
= CFI_DEVICETYPE_X8
,
1459 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1460 .dev_size
= SIZE_1MiB
,
1461 .cmd_set
= P_ID_AMD_STD
,
1464 ERASEINFO(0x01000,256),
1467 .mfr_id
= MANUFACTURER_SST
, /* should be CFI */
1468 .dev_id
= SST39LF160
,
1469 .name
= "SST 39LF160",
1470 .devtypes
= CFI_DEVICETYPE_X16
,
1471 .uaddr
= MTD_UADDR_0xAAAA_0x5555
,
1472 .dev_size
= SIZE_2MiB
,
1473 .cmd_set
= P_ID_AMD_STD
,
1476 ERASEINFO(0x1000,256),
1477 ERASEINFO(0x1000,256)
1480 .mfr_id
= MANUFACTURER_SST
, /* should be CFI */
1481 .dev_id
= SST39VF1601
,
1482 .name
= "SST 39VF1601",
1483 .devtypes
= CFI_DEVICETYPE_X16
,
1484 .uaddr
= MTD_UADDR_0xAAAA_0x5555
,
1485 .dev_size
= SIZE_2MiB
,
1486 .cmd_set
= P_ID_AMD_STD
,
1489 ERASEINFO(0x1000,256),
1490 ERASEINFO(0x1000,256)
1493 .mfr_id
= MANUFACTURER_SST
,
1494 .dev_id
= SST36VF3203
,
1495 .name
= "SST 36VF3203",
1496 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1497 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1498 .dev_size
= SIZE_4MiB
,
1499 .cmd_set
= P_ID_AMD_STD
,
1502 ERASEINFO(0x10000,64),
1505 .mfr_id
= MANUFACTURER_ST
,
1506 .dev_id
= M29F800AB
,
1507 .name
= "ST M29F800AB",
1508 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1509 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1510 .dev_size
= SIZE_1MiB
,
1511 .cmd_set
= P_ID_AMD_STD
,
1514 ERASEINFO(0x04000,1),
1515 ERASEINFO(0x02000,2),
1516 ERASEINFO(0x08000,1),
1517 ERASEINFO(0x10000,15),
1520 .mfr_id
= MANUFACTURER_ST
, /* FIXME - CFI device? */
1521 .dev_id
= M29W800DT
,
1522 .name
= "ST M29W800DT",
1523 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1524 .uaddr
= MTD_UADDR_0x5555_0x2AAA
, /* ???? */
1525 .dev_size
= SIZE_1MiB
,
1526 .cmd_set
= P_ID_AMD_STD
,
1529 ERASEINFO(0x10000,15),
1530 ERASEINFO(0x08000,1),
1531 ERASEINFO(0x02000,2),
1532 ERASEINFO(0x04000,1)
1535 .mfr_id
= MANUFACTURER_ST
, /* FIXME - CFI device? */
1536 .dev_id
= M29W800DB
,
1537 .name
= "ST M29W800DB",
1538 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1539 .uaddr
= MTD_UADDR_0x5555_0x2AAA
, /* ???? */
1540 .dev_size
= SIZE_1MiB
,
1541 .cmd_set
= P_ID_AMD_STD
,
1544 ERASEINFO(0x04000,1),
1545 ERASEINFO(0x02000,2),
1546 ERASEINFO(0x08000,1),
1547 ERASEINFO(0x10000,15)
1550 .mfr_id
= MANUFACTURER_ST
,
1551 .dev_id
= M29W400DT
,
1552 .name
= "ST M29W400DT",
1553 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1554 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1555 .dev_size
= SIZE_512KiB
,
1556 .cmd_set
= P_ID_AMD_STD
,
1559 ERASEINFO(0x04000,7),
1560 ERASEINFO(0x02000,1),
1561 ERASEINFO(0x08000,2),
1562 ERASEINFO(0x10000,1)
1565 .mfr_id
= MANUFACTURER_ST
,
1566 .dev_id
= M29W400DB
,
1567 .name
= "ST M29W400DB",
1568 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1569 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1570 .dev_size
= SIZE_512KiB
,
1571 .cmd_set
= P_ID_AMD_STD
,
1574 ERASEINFO(0x04000,1),
1575 ERASEINFO(0x02000,2),
1576 ERASEINFO(0x08000,1),
1577 ERASEINFO(0x10000,7)
1580 .mfr_id
= MANUFACTURER_ST
, /* FIXME - CFI device? */
1581 .dev_id
= M29W160DT
,
1582 .name
= "ST M29W160DT",
1583 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1584 .uaddr
= MTD_UADDR_0x0555_0x02AA
, /* ???? */
1585 .dev_size
= SIZE_2MiB
,
1586 .cmd_set
= P_ID_AMD_STD
,
1589 ERASEINFO(0x10000,31),
1590 ERASEINFO(0x08000,1),
1591 ERASEINFO(0x02000,2),
1592 ERASEINFO(0x04000,1)
1595 .mfr_id
= MANUFACTURER_ST
, /* FIXME - CFI device? */
1596 .dev_id
= M29W160DB
,
1597 .name
= "ST M29W160DB",
1598 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1599 .uaddr
= MTD_UADDR_0x0555_0x02AA
, /* ???? */
1600 .dev_size
= SIZE_2MiB
,
1601 .cmd_set
= P_ID_AMD_STD
,
1604 ERASEINFO(0x04000,1),
1605 ERASEINFO(0x02000,2),
1606 ERASEINFO(0x08000,1),
1607 ERASEINFO(0x10000,31)
1610 .mfr_id
= MANUFACTURER_ST
,
1612 .name
= "ST M29W040B",
1613 .devtypes
= CFI_DEVICETYPE_X8
,
1614 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1615 .dev_size
= SIZE_512KiB
,
1616 .cmd_set
= P_ID_AMD_STD
,
1619 ERASEINFO(0x10000,8),
1622 .mfr_id
= MANUFACTURER_ST
,
1624 .name
= "ST M50FW040",
1625 .devtypes
= CFI_DEVICETYPE_X8
,
1626 .uaddr
= MTD_UADDR_UNNECESSARY
,
1627 .dev_size
= SIZE_512KiB
,
1628 .cmd_set
= P_ID_INTEL_EXT
,
1631 ERASEINFO(0x10000,8),
1634 .mfr_id
= MANUFACTURER_ST
,
1636 .name
= "ST M50FW080",
1637 .devtypes
= CFI_DEVICETYPE_X8
,
1638 .uaddr
= MTD_UADDR_UNNECESSARY
,
1639 .dev_size
= SIZE_1MiB
,
1640 .cmd_set
= P_ID_INTEL_EXT
,
1643 ERASEINFO(0x10000,16),
1646 .mfr_id
= MANUFACTURER_ST
,
1648 .name
= "ST M50FW016",
1649 .devtypes
= CFI_DEVICETYPE_X8
,
1650 .uaddr
= MTD_UADDR_UNNECESSARY
,
1651 .dev_size
= SIZE_2MiB
,
1652 .cmd_set
= P_ID_INTEL_EXT
,
1655 ERASEINFO(0x10000,32),
1658 .mfr_id
= MANUFACTURER_ST
,
1659 .dev_id
= M50LPW080
,
1660 .name
= "ST M50LPW080",
1661 .devtypes
= CFI_DEVICETYPE_X8
,
1662 .uaddr
= MTD_UADDR_UNNECESSARY
,
1663 .dev_size
= SIZE_1MiB
,
1664 .cmd_set
= P_ID_INTEL_EXT
,
1667 ERASEINFO(0x10000,16),
1670 .mfr_id
= MANUFACTURER_ST
,
1671 .dev_id
= M50FLW080A
,
1672 .name
= "ST M50FLW080A",
1673 .devtypes
= CFI_DEVICETYPE_X8
,
1674 .uaddr
= MTD_UADDR_UNNECESSARY
,
1675 .dev_size
= SIZE_1MiB
,
1676 .cmd_set
= P_ID_INTEL_EXT
,
1679 ERASEINFO(0x1000,16),
1680 ERASEINFO(0x10000,13),
1681 ERASEINFO(0x1000,16),
1682 ERASEINFO(0x1000,16),
1685 .mfr_id
= MANUFACTURER_ST
,
1686 .dev_id
= M50FLW080B
,
1687 .name
= "ST M50FLW080B",
1688 .devtypes
= CFI_DEVICETYPE_X8
,
1689 .uaddr
= MTD_UADDR_UNNECESSARY
,
1690 .dev_size
= SIZE_1MiB
,
1691 .cmd_set
= P_ID_INTEL_EXT
,
1694 ERASEINFO(0x1000,16),
1695 ERASEINFO(0x1000,16),
1696 ERASEINFO(0x10000,13),
1697 ERASEINFO(0x1000,16),
1700 .mfr_id
= MANUFACTURER_TOSHIBA
,
1701 .dev_id
= TC58FVT160
,
1702 .name
= "Toshiba TC58FVT160",
1703 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1704 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1705 .dev_size
= SIZE_2MiB
,
1706 .cmd_set
= P_ID_AMD_STD
,
1709 ERASEINFO(0x10000,31),
1710 ERASEINFO(0x08000,1),
1711 ERASEINFO(0x02000,2),
1712 ERASEINFO(0x04000,1)
1715 .mfr_id
= MANUFACTURER_TOSHIBA
,
1716 .dev_id
= TC58FVB160
,
1717 .name
= "Toshiba TC58FVB160",
1718 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1719 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1720 .dev_size
= SIZE_2MiB
,
1721 .cmd_set
= P_ID_AMD_STD
,
1724 ERASEINFO(0x04000,1),
1725 ERASEINFO(0x02000,2),
1726 ERASEINFO(0x08000,1),
1727 ERASEINFO(0x10000,31)
1730 .mfr_id
= MANUFACTURER_TOSHIBA
,
1731 .dev_id
= TC58FVB321
,
1732 .name
= "Toshiba TC58FVB321",
1733 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1734 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1735 .dev_size
= SIZE_4MiB
,
1736 .cmd_set
= P_ID_AMD_STD
,
1739 ERASEINFO(0x02000,8),
1740 ERASEINFO(0x10000,63)
1743 .mfr_id
= MANUFACTURER_TOSHIBA
,
1744 .dev_id
= TC58FVT321
,
1745 .name
= "Toshiba TC58FVT321",
1746 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1747 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1748 .dev_size
= SIZE_4MiB
,
1749 .cmd_set
= P_ID_AMD_STD
,
1752 ERASEINFO(0x10000,63),
1753 ERASEINFO(0x02000,8)
1756 .mfr_id
= MANUFACTURER_TOSHIBA
,
1757 .dev_id
= TC58FVB641
,
1758 .name
= "Toshiba TC58FVB641",
1759 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1760 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1761 .dev_size
= SIZE_8MiB
,
1762 .cmd_set
= P_ID_AMD_STD
,
1765 ERASEINFO(0x02000,8),
1766 ERASEINFO(0x10000,127)
1769 .mfr_id
= MANUFACTURER_TOSHIBA
,
1770 .dev_id
= TC58FVT641
,
1771 .name
= "Toshiba TC58FVT641",
1772 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1773 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1774 .dev_size
= SIZE_8MiB
,
1775 .cmd_set
= P_ID_AMD_STD
,
1778 ERASEINFO(0x10000,127),
1779 ERASEINFO(0x02000,8)
1782 .mfr_id
= MANUFACTURER_WINBOND
,
1784 .name
= "Winbond W49V002A",
1785 .devtypes
= CFI_DEVICETYPE_X8
,
1786 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1787 .dev_size
= SIZE_256KiB
,
1788 .cmd_set
= P_ID_AMD_STD
,
1791 ERASEINFO(0x10000, 3),
1792 ERASEINFO(0x08000, 1),
1793 ERASEINFO(0x02000, 2),
1794 ERASEINFO(0x04000, 1),
1799 static inline u32
jedec_read_mfr(struct map_info
*map
, uint32_t base
,
1800 struct cfi_private
*cfi
)
1806 /* According to JEDEC "Standard Manufacturer's Identification Code"
1807 * (http://www.jedec.org/download/search/jep106W.pdf)
1808 * several first banks can contain 0x7f instead of actual ID
1811 uint32_t ofs
= cfi_build_cmd_addr(0 + (bank
<< 8),
1812 cfi_interleave(cfi
),
1814 mask
= (1 << (cfi
->device_type
* 8)) - 1;
1815 result
= map_read(map
, base
+ ofs
);
1817 } while ((result
.x
[0] & mask
) == CONTINUATION_CODE
);
1819 return result
.x
[0] & mask
;
1822 static inline u32
jedec_read_id(struct map_info
*map
, uint32_t base
,
1823 struct cfi_private
*cfi
)
1827 u32 ofs
= cfi_build_cmd_addr(1, cfi_interleave(cfi
), cfi
->device_type
);
1828 mask
= (1 << (cfi
->device_type
* 8)) -1;
1829 result
= map_read(map
, base
+ ofs
);
1830 return result
.x
[0] & mask
;
1833 static void jedec_reset(u32 base
, struct map_info
*map
, struct cfi_private
*cfi
)
1837 /* after checking the datasheets for SST, MACRONIX and ATMEL
1838 * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1839 * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1840 * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1841 * as they will ignore the writes and dont care what address
1842 * the F0 is written to */
1843 if (cfi
->addr_unlock1
) {
1844 DEBUG( MTD_DEBUG_LEVEL3
,
1845 "reset unlock called %x %x \n",
1846 cfi
->addr_unlock1
,cfi
->addr_unlock2
);
1847 cfi_send_gen_cmd(0xaa, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
1848 cfi_send_gen_cmd(0x55, cfi
->addr_unlock2
, base
, map
, cfi
, cfi
->device_type
, NULL
);
1851 cfi_send_gen_cmd(0xF0, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
1852 /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1853 * so ensure we're in read mode. Send both the Intel and the AMD command
1854 * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so
1855 * this should be safe.
1857 cfi_send_gen_cmd(0xFF, 0, base
, map
, cfi
, cfi
->device_type
, NULL
);
1858 /* FIXME - should have reset delay before continuing */
1862 static int cfi_jedec_setup(struct cfi_private
*p_cfi
, int index
)
1864 int i
,num_erase_regions
;
1867 if (! (jedec_table
[index
].devtypes
& p_cfi
->device_type
)) {
1868 DEBUG(MTD_DEBUG_LEVEL1
, "Rejecting potential %s with incompatible %d-bit device type\n",
1869 jedec_table
[index
].name
, 4 * (1<<p_cfi
->device_type
));
1873 printk(KERN_INFO
"Found: %s\n",jedec_table
[index
].name
);
1875 num_erase_regions
= jedec_table
[index
].nr_regions
;
1877 p_cfi
->cfiq
= kmalloc(sizeof(struct cfi_ident
) + num_erase_regions
* 4, GFP_KERNEL
);
1879 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1883 memset(p_cfi
->cfiq
,0,sizeof(struct cfi_ident
));
1885 p_cfi
->cfiq
->P_ID
= jedec_table
[index
].cmd_set
;
1886 p_cfi
->cfiq
->NumEraseRegions
= jedec_table
[index
].nr_regions
;
1887 p_cfi
->cfiq
->DevSize
= jedec_table
[index
].dev_size
;
1888 p_cfi
->cfi_mode
= CFI_MODE_JEDEC
;
1890 for (i
=0; i
<num_erase_regions
; i
++){
1891 p_cfi
->cfiq
->EraseRegionInfo
[i
] = jedec_table
[index
].regions
[i
];
1893 p_cfi
->cmdset_priv
= NULL
;
1895 /* This may be redundant for some cases, but it doesn't hurt */
1896 p_cfi
->mfr
= jedec_table
[index
].mfr_id
;
1897 p_cfi
->id
= jedec_table
[index
].dev_id
;
1899 uaddr
= jedec_table
[index
].uaddr
;
1901 /* The table has unlock addresses in _bytes_, and we try not to let
1902 our brains explode when we see the datasheets talking about address
1903 lines numbered from A-1 to A18. The CFI table has unlock addresses
1904 in device-words according to the mode the device is connected in */
1905 p_cfi
->addr_unlock1
= unlock_addrs
[uaddr
].addr1
/ p_cfi
->device_type
;
1906 p_cfi
->addr_unlock2
= unlock_addrs
[uaddr
].addr2
/ p_cfi
->device_type
;
1913 * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1914 * the mapped address, unlock addresses, and proper chip ID. This function
1915 * attempts to minimize errors. It is doubtfull that this probe will ever
1916 * be perfect - consequently there should be some module parameters that
1917 * could be manually specified to force the chip info.
1919 static inline int jedec_match( uint32_t base
,
1920 struct map_info
*map
,
1921 struct cfi_private
*cfi
,
1922 const struct amd_flash_info
*finfo
)
1924 int rc
= 0; /* failure until all tests pass */
1929 * The IDs must match. For X16 and X32 devices operating in
1930 * a lower width ( X8 or X16 ), the device ID's are usually just
1931 * the lower byte(s) of the larger device ID for wider mode. If
1932 * a part is found that doesn't fit this assumption (device id for
1933 * smaller width mode is completely unrealated to full-width mode)
1934 * then the jedec_table[] will have to be augmented with the IDs
1935 * for different widths.
1937 switch (cfi
->device_type
) {
1938 case CFI_DEVICETYPE_X8
:
1939 mfr
= (uint8_t)finfo
->mfr_id
;
1940 id
= (uint8_t)finfo
->dev_id
;
1942 /* bjd: it seems that if we do this, we can end up
1943 * detecting 16bit flashes as an 8bit device, even though
1946 if (finfo
->dev_id
> 0xff) {
1947 DEBUG( MTD_DEBUG_LEVEL3
, "%s(): ID is not 8bit\n",
1952 case CFI_DEVICETYPE_X16
:
1953 mfr
= (uint16_t)finfo
->mfr_id
;
1954 id
= (uint16_t)finfo
->dev_id
;
1956 case CFI_DEVICETYPE_X32
:
1957 mfr
= (uint16_t)finfo
->mfr_id
;
1958 id
= (uint32_t)finfo
->dev_id
;
1962 "MTD %s(): Unsupported device type %d\n",
1963 __func__
, cfi
->device_type
);
1966 if ( cfi
->mfr
!= mfr
|| cfi
->id
!= id
) {
1970 /* the part size must fit in the memory window */
1971 DEBUG( MTD_DEBUG_LEVEL3
,
1972 "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
1973 __func__
, base
, 1 << finfo
->dev_size
, base
+ (1 << finfo
->dev_size
) );
1974 if ( base
+ cfi_interleave(cfi
) * ( 1 << finfo
->dev_size
) > map
->size
) {
1975 DEBUG( MTD_DEBUG_LEVEL3
,
1976 "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
1977 __func__
, finfo
->mfr_id
, finfo
->dev_id
,
1978 1 << finfo
->dev_size
);
1982 if (! (finfo
->devtypes
& cfi
->device_type
))
1985 uaddr
= finfo
->uaddr
;
1987 DEBUG( MTD_DEBUG_LEVEL3
, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
1988 __func__
, cfi
->addr_unlock1
, cfi
->addr_unlock2
);
1989 if ( MTD_UADDR_UNNECESSARY
!= uaddr
&& MTD_UADDR_DONT_CARE
!= uaddr
1990 && ( unlock_addrs
[uaddr
].addr1
/ cfi
->device_type
!= cfi
->addr_unlock1
||
1991 unlock_addrs
[uaddr
].addr2
/ cfi
->device_type
!= cfi
->addr_unlock2
) ) {
1992 DEBUG( MTD_DEBUG_LEVEL3
,
1993 "MTD %s(): 0x%.4x 0x%.4x did not match\n",
1995 unlock_addrs
[uaddr
].addr1
,
1996 unlock_addrs
[uaddr
].addr2
);
2001 * Make sure the ID's dissappear when the device is taken out of
2002 * ID mode. The only time this should fail when it should succeed
2003 * is when the ID's are written as data to the same
2004 * addresses. For this rare and unfortunate case the chip
2005 * cannot be probed correctly.
2006 * FIXME - write a driver that takes all of the chip info as
2007 * module parameters, doesn't probe but forces a load.
2009 DEBUG( MTD_DEBUG_LEVEL3
,
2010 "MTD %s(): check ID's disappear when not in ID mode\n",
2012 jedec_reset( base
, map
, cfi
);
2013 mfr
= jedec_read_mfr( map
, base
, cfi
);
2014 id
= jedec_read_id( map
, base
, cfi
);
2015 if ( mfr
== cfi
->mfr
&& id
== cfi
->id
) {
2016 DEBUG( MTD_DEBUG_LEVEL3
,
2017 "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
2018 "You might need to manually specify JEDEC parameters.\n",
2019 __func__
, cfi
->mfr
, cfi
->id
);
2023 /* all tests passed - mark as success */
2027 * Put the device back in ID mode - only need to do this if we
2028 * were truly frobbing a real device.
2030 DEBUG( MTD_DEBUG_LEVEL3
, "MTD %s(): return to ID mode\n", __func__
);
2031 if (cfi
->addr_unlock1
) {
2032 cfi_send_gen_cmd(0xaa, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2033 cfi_send_gen_cmd(0x55, cfi
->addr_unlock2
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2035 cfi_send_gen_cmd(0x90, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2036 /* FIXME - should have a delay before continuing */
2043 static int jedec_probe_chip(struct map_info
*map
, __u32 base
,
2044 unsigned long *chip_map
, struct cfi_private
*cfi
)
2047 enum uaddr uaddr_idx
= MTD_UADDR_NOT_SUPPORTED
;
2048 u32 probe_offset1
, probe_offset2
;
2051 if (!cfi
->numchips
) {
2054 if (MTD_UADDR_UNNECESSARY
== uaddr_idx
)
2057 cfi
->addr_unlock1
= unlock_addrs
[uaddr_idx
].addr1
/ cfi
->device_type
;
2058 cfi
->addr_unlock2
= unlock_addrs
[uaddr_idx
].addr2
/ cfi
->device_type
;
2061 /* Make certain we aren't probing past the end of map */
2062 if (base
>= map
->size
) {
2064 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2065 base
, map
->size
-1);
2069 /* Ensure the unlock addresses we try stay inside the map */
2070 probe_offset1
= cfi_build_cmd_addr(cfi
->addr_unlock1
, cfi_interleave(cfi
), cfi
->device_type
);
2071 probe_offset2
= cfi_build_cmd_addr(cfi
->addr_unlock2
, cfi_interleave(cfi
), cfi
->device_type
);
2072 if ( ((base
+ probe_offset1
+ map_bankwidth(map
)) >= map
->size
) ||
2073 ((base
+ probe_offset2
+ map_bankwidth(map
)) >= map
->size
))
2077 jedec_reset(base
, map
, cfi
);
2079 /* Autoselect Mode */
2080 if(cfi
->addr_unlock1
) {
2081 cfi_send_gen_cmd(0xaa, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2082 cfi_send_gen_cmd(0x55, cfi
->addr_unlock2
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2084 cfi_send_gen_cmd(0x90, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2085 /* FIXME - should have a delay before continuing */
2087 if (!cfi
->numchips
) {
2088 /* This is the first time we're called. Set up the CFI
2089 stuff accordingly and return */
2091 cfi
->mfr
= jedec_read_mfr(map
, base
, cfi
);
2092 cfi
->id
= jedec_read_id(map
, base
, cfi
);
2093 DEBUG(MTD_DEBUG_LEVEL3
,
2094 "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2095 cfi
->mfr
, cfi
->id
, cfi_interleave(cfi
), cfi
->device_type
);
2096 for (i
= 0; i
< ARRAY_SIZE(jedec_table
); i
++) {
2097 if ( jedec_match( base
, map
, cfi
, &jedec_table
[i
] ) ) {
2098 DEBUG( MTD_DEBUG_LEVEL3
,
2099 "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2100 __func__
, cfi
->mfr
, cfi
->id
,
2101 cfi
->addr_unlock1
, cfi
->addr_unlock2
);
2102 if (!cfi_jedec_setup(cfi
, i
))
2112 /* Make sure it is a chip of the same manufacturer and id */
2113 mfr
= jedec_read_mfr(map
, base
, cfi
);
2114 id
= jedec_read_id(map
, base
, cfi
);
2116 if ((mfr
!= cfi
->mfr
) || (id
!= cfi
->id
)) {
2117 printk(KERN_DEBUG
"%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2118 map
->name
, mfr
, id
, base
);
2119 jedec_reset(base
, map
, cfi
);
2124 /* Check each previous chip locations to see if it's an alias */
2125 for (i
=0; i
< (base
>> cfi
->chipshift
); i
++) {
2126 unsigned long start
;
2127 if(!test_bit(i
, chip_map
)) {
2128 continue; /* Skip location; no valid chip at this address */
2130 start
= i
<< cfi
->chipshift
;
2131 if (jedec_read_mfr(map
, start
, cfi
) == cfi
->mfr
&&
2132 jedec_read_id(map
, start
, cfi
) == cfi
->id
) {
2133 /* Eep. This chip also looks like it's in autoselect mode.
2134 Is it an alias for the new one? */
2135 jedec_reset(start
, map
, cfi
);
2137 /* If the device IDs go away, it's an alias */
2138 if (jedec_read_mfr(map
, base
, cfi
) != cfi
->mfr
||
2139 jedec_read_id(map
, base
, cfi
) != cfi
->id
) {
2140 printk(KERN_DEBUG
"%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2141 map
->name
, base
, start
);
2145 /* Yes, it's actually got the device IDs as data. Most
2146 * unfortunate. Stick the new chip in read mode
2147 * too and if it's the same, assume it's an alias. */
2148 /* FIXME: Use other modes to do a proper check */
2149 jedec_reset(base
, map
, cfi
);
2150 if (jedec_read_mfr(map
, base
, cfi
) == cfi
->mfr
&&
2151 jedec_read_id(map
, base
, cfi
) == cfi
->id
) {
2152 printk(KERN_DEBUG
"%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2153 map
->name
, base
, start
);
2159 /* OK, if we got to here, then none of the previous chips appear to
2160 be aliases for the current one. */
2161 set_bit((base
>> cfi
->chipshift
), chip_map
); /* Update chip map */
2165 /* Put it back into Read Mode */
2166 jedec_reset(base
, map
, cfi
);
2168 printk(KERN_INFO
"%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2169 map
->name
, cfi_interleave(cfi
), cfi
->device_type
*8, base
,
2175 static struct chip_probe jedec_chip_probe
= {
2177 .probe_chip
= jedec_probe_chip
2180 static struct mtd_info
*jedec_probe(struct map_info
*map
)
2183 * Just use the generic probe stuff to call our CFI-specific
2184 * chip_probe routine in all the possible permutations, etc.
2186 return mtd_do_chip_probe(map
, &jedec_chip_probe
);
2189 static struct mtd_chip_driver jedec_chipdrv
= {
2190 .probe
= jedec_probe
,
2191 .name
= "jedec_probe",
2192 .module
= THIS_MODULE
2195 static int __init
jedec_probe_init(void)
2197 register_mtd_chip_driver(&jedec_chipdrv
);
2201 static void __exit
jedec_probe_exit(void)
2203 unregister_mtd_chip_driver(&jedec_chipdrv
);
2206 module_init(jedec_probe_init
);
2207 module_exit(jedec_probe_exit
);
2209 MODULE_LICENSE("GPL");
2210 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2211 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");