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 SST39VF3201 0x235b
163 #define SST39LF512 0x00D4
164 #define SST39LF010 0x00D5
165 #define SST39LF020 0x00D6
166 #define SST39LF040 0x00D7
167 #define SST39SF010A 0x00B5
168 #define SST39SF020A 0x00B6
169 #define SST39SF040 0x00B7
170 #define SST49LF004B 0x0060
171 #define SST49LF040B 0x0050
172 #define SST49LF008A 0x005a
173 #define SST49LF030A 0x001C
174 #define SST49LF040A 0x0051
175 #define SST49LF080A 0x005B
176 #define SST36VF3203 0x7354
179 #define TC58FVT160 0x00C2
180 #define TC58FVB160 0x0043
181 #define TC58FVT321 0x009A
182 #define TC58FVB321 0x009C
183 #define TC58FVT641 0x0093
184 #define TC58FVB641 0x0095
187 #define W49V002A 0x00b0
191 * Unlock address sets for AMD command sets.
192 * Intel command sets use the MTD_UADDR_UNNECESSARY.
193 * Each identifier, except MTD_UADDR_UNNECESSARY, and
194 * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
195 * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
196 * initialization need not require initializing all of the
197 * unlock addresses for all bit widths.
200 MTD_UADDR_NOT_SUPPORTED
= 0, /* data width not supported */
201 MTD_UADDR_0x0555_0x02AA
,
202 MTD_UADDR_0x0555_0x0AAA
,
203 MTD_UADDR_0x5555_0x2AAA
,
204 MTD_UADDR_0x0AAA_0x0555
,
205 MTD_UADDR_0xAAAA_0x5555
,
206 MTD_UADDR_DONT_CARE
, /* Requires an arbitrary address */
207 MTD_UADDR_UNNECESSARY
, /* Does not require any address */
218 * I don't like the fact that the first entry in unlock_addrs[]
219 * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
220 * should not be used. The problem is that structures with
221 * initializers have extra fields initialized to 0. It is _very_
222 * desireable to have the unlock address entries for unsupported
223 * data widths automatically initialized - that means that
224 * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
227 static const struct unlock_addr unlock_addrs
[] = {
228 [MTD_UADDR_NOT_SUPPORTED
] = {
233 [MTD_UADDR_0x0555_0x02AA
] = {
238 [MTD_UADDR_0x0555_0x0AAA
] = {
243 [MTD_UADDR_0x5555_0x2AAA
] = {
248 [MTD_UADDR_0x0AAA_0x0555
] = {
253 [MTD_UADDR_0xAAAA_0x5555
] = {
258 [MTD_UADDR_DONT_CARE
] = {
259 .addr1
= 0x0000, /* Doesn't matter which address */
260 .addr2
= 0x0000 /* is used - must be last entry */
263 [MTD_UADDR_UNNECESSARY
] = {
269 struct amd_flash_info
{
271 const uint16_t mfr_id
;
272 const uint16_t dev_id
;
273 const uint8_t dev_size
;
274 const uint8_t nr_regions
;
275 const uint16_t cmd_set
;
276 const uint32_t regions
[6];
277 const uint8_t devtypes
; /* Bitmask for x8, x16 etc. */
278 const uint8_t uaddr
; /* unlock addrs for 8, 16, 32, 64 */
281 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
283 #define SIZE_64KiB 16
284 #define SIZE_128KiB 17
285 #define SIZE_256KiB 18
286 #define SIZE_512KiB 19
294 * Please keep this list ordered by manufacturer!
295 * Fortunately, the list isn't searched often and so a
296 * slow, linear search isn't so bad.
298 static const struct amd_flash_info jedec_table
[] = {
300 .mfr_id
= MANUFACTURER_AMD
,
302 .name
= "AMD AM29F032B",
303 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
304 .devtypes
= CFI_DEVICETYPE_X8
,
305 .dev_size
= SIZE_4MiB
,
306 .cmd_set
= P_ID_AMD_STD
,
309 ERASEINFO(0x10000,64)
312 .mfr_id
= MANUFACTURER_AMD
,
313 .dev_id
= AM29LV160DT
,
314 .name
= "AMD AM29LV160DT",
315 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
316 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
317 .dev_size
= SIZE_2MiB
,
318 .cmd_set
= P_ID_AMD_STD
,
321 ERASEINFO(0x10000,31),
322 ERASEINFO(0x08000,1),
323 ERASEINFO(0x02000,2),
327 .mfr_id
= MANUFACTURER_AMD
,
328 .dev_id
= AM29LV160DB
,
329 .name
= "AMD AM29LV160DB",
330 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
331 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
332 .dev_size
= SIZE_2MiB
,
333 .cmd_set
= P_ID_AMD_STD
,
336 ERASEINFO(0x04000,1),
337 ERASEINFO(0x02000,2),
338 ERASEINFO(0x08000,1),
339 ERASEINFO(0x10000,31)
342 .mfr_id
= MANUFACTURER_AMD
,
343 .dev_id
= AM29LV400BB
,
344 .name
= "AMD AM29LV400BB",
345 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
346 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
347 .dev_size
= SIZE_512KiB
,
348 .cmd_set
= P_ID_AMD_STD
,
351 ERASEINFO(0x04000,1),
352 ERASEINFO(0x02000,2),
353 ERASEINFO(0x08000,1),
357 .mfr_id
= MANUFACTURER_AMD
,
358 .dev_id
= AM29LV400BT
,
359 .name
= "AMD AM29LV400BT",
360 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
361 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
362 .dev_size
= SIZE_512KiB
,
363 .cmd_set
= P_ID_AMD_STD
,
366 ERASEINFO(0x10000,7),
367 ERASEINFO(0x08000,1),
368 ERASEINFO(0x02000,2),
372 .mfr_id
= MANUFACTURER_AMD
,
373 .dev_id
= AM29LV800BB
,
374 .name
= "AMD AM29LV800BB",
375 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
376 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
377 .dev_size
= SIZE_1MiB
,
378 .cmd_set
= P_ID_AMD_STD
,
381 ERASEINFO(0x04000,1),
382 ERASEINFO(0x02000,2),
383 ERASEINFO(0x08000,1),
384 ERASEINFO(0x10000,15),
388 .mfr_id
= MANUFACTURER_AMD
,
389 .dev_id
= AM29DL800BB
,
390 .name
= "AMD AM29DL800BB",
391 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
392 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
393 .dev_size
= SIZE_1MiB
,
394 .cmd_set
= P_ID_AMD_STD
,
397 ERASEINFO(0x04000,1),
398 ERASEINFO(0x08000,1),
399 ERASEINFO(0x02000,4),
400 ERASEINFO(0x08000,1),
401 ERASEINFO(0x04000,1),
402 ERASEINFO(0x10000,14)
405 .mfr_id
= MANUFACTURER_AMD
,
406 .dev_id
= AM29DL800BT
,
407 .name
= "AMD AM29DL800BT",
408 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
409 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
410 .dev_size
= SIZE_1MiB
,
411 .cmd_set
= P_ID_AMD_STD
,
414 ERASEINFO(0x10000,14),
415 ERASEINFO(0x04000,1),
416 ERASEINFO(0x08000,1),
417 ERASEINFO(0x02000,4),
418 ERASEINFO(0x08000,1),
422 .mfr_id
= MANUFACTURER_AMD
,
423 .dev_id
= AM29F800BB
,
424 .name
= "AMD AM29F800BB",
425 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
426 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
427 .dev_size
= SIZE_1MiB
,
428 .cmd_set
= P_ID_AMD_STD
,
431 ERASEINFO(0x04000,1),
432 ERASEINFO(0x02000,2),
433 ERASEINFO(0x08000,1),
434 ERASEINFO(0x10000,15),
437 .mfr_id
= MANUFACTURER_AMD
,
438 .dev_id
= AM29LV800BT
,
439 .name
= "AMD AM29LV800BT",
440 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
441 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
442 .dev_size
= SIZE_1MiB
,
443 .cmd_set
= P_ID_AMD_STD
,
446 ERASEINFO(0x10000,15),
447 ERASEINFO(0x08000,1),
448 ERASEINFO(0x02000,2),
452 .mfr_id
= MANUFACTURER_AMD
,
453 .dev_id
= AM29F800BT
,
454 .name
= "AMD AM29F800BT",
455 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
456 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
457 .dev_size
= SIZE_1MiB
,
458 .cmd_set
= P_ID_AMD_STD
,
461 ERASEINFO(0x10000,15),
462 ERASEINFO(0x08000,1),
463 ERASEINFO(0x02000,2),
467 .mfr_id
= MANUFACTURER_AMD
,
469 .name
= "AMD AM29F017D",
470 .devtypes
= CFI_DEVICETYPE_X8
,
471 .uaddr
= MTD_UADDR_DONT_CARE
,
472 .dev_size
= SIZE_2MiB
,
473 .cmd_set
= P_ID_AMD_STD
,
476 ERASEINFO(0x10000,32),
479 .mfr_id
= MANUFACTURER_AMD
,
481 .name
= "AMD AM29F016D",
482 .devtypes
= CFI_DEVICETYPE_X8
,
483 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
484 .dev_size
= SIZE_2MiB
,
485 .cmd_set
= P_ID_AMD_STD
,
488 ERASEINFO(0x10000,32),
491 .mfr_id
= MANUFACTURER_AMD
,
493 .name
= "AMD AM29F080",
494 .devtypes
= CFI_DEVICETYPE_X8
,
495 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
496 .dev_size
= SIZE_1MiB
,
497 .cmd_set
= P_ID_AMD_STD
,
500 ERASEINFO(0x10000,16),
503 .mfr_id
= MANUFACTURER_AMD
,
505 .name
= "AMD AM29F040",
506 .devtypes
= CFI_DEVICETYPE_X8
,
507 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
508 .dev_size
= SIZE_512KiB
,
509 .cmd_set
= P_ID_AMD_STD
,
512 ERASEINFO(0x10000,8),
515 .mfr_id
= MANUFACTURER_AMD
,
516 .dev_id
= AM29LV040B
,
517 .name
= "AMD AM29LV040B",
518 .devtypes
= CFI_DEVICETYPE_X8
,
519 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
520 .dev_size
= SIZE_512KiB
,
521 .cmd_set
= P_ID_AMD_STD
,
524 ERASEINFO(0x10000,8),
527 .mfr_id
= MANUFACTURER_AMD
,
529 .name
= "AMD AM29F002T",
530 .devtypes
= CFI_DEVICETYPE_X8
,
531 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
532 .dev_size
= SIZE_256KiB
,
533 .cmd_set
= P_ID_AMD_STD
,
536 ERASEINFO(0x10000,3),
537 ERASEINFO(0x08000,1),
538 ERASEINFO(0x02000,2),
539 ERASEINFO(0x04000,1),
542 .mfr_id
= MANUFACTURER_AMD
,
543 .dev_id
= AM29SL800DT
,
544 .name
= "AMD AM29SL800DT",
545 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
546 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
547 .dev_size
= SIZE_1MiB
,
548 .cmd_set
= P_ID_AMD_STD
,
551 ERASEINFO(0x10000,15),
552 ERASEINFO(0x08000,1),
553 ERASEINFO(0x02000,2),
554 ERASEINFO(0x04000,1),
557 .mfr_id
= MANUFACTURER_AMD
,
558 .dev_id
= AM29SL800DB
,
559 .name
= "AMD AM29SL800DB",
560 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
561 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
562 .dev_size
= SIZE_1MiB
,
563 .cmd_set
= P_ID_AMD_STD
,
566 ERASEINFO(0x04000,1),
567 ERASEINFO(0x02000,2),
568 ERASEINFO(0x08000,1),
569 ERASEINFO(0x10000,15),
572 .mfr_id
= MANUFACTURER_ATMEL
,
574 .name
= "Atmel AT49BV512",
575 .devtypes
= CFI_DEVICETYPE_X8
,
576 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
577 .dev_size
= SIZE_64KiB
,
578 .cmd_set
= P_ID_AMD_STD
,
584 .mfr_id
= MANUFACTURER_ATMEL
,
586 .name
= "Atmel AT29LV512",
587 .devtypes
= CFI_DEVICETYPE_X8
,
588 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
589 .dev_size
= SIZE_64KiB
,
590 .cmd_set
= P_ID_AMD_STD
,
597 .mfr_id
= MANUFACTURER_ATMEL
,
599 .name
= "Atmel AT49BV16X",
600 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
601 .uaddr
= MTD_UADDR_0x0555_0x0AAA
, /* ???? */
602 .dev_size
= SIZE_2MiB
,
603 .cmd_set
= P_ID_AMD_STD
,
606 ERASEINFO(0x02000,8),
607 ERASEINFO(0x10000,31)
610 .mfr_id
= MANUFACTURER_ATMEL
,
611 .dev_id
= AT49BV16XT
,
612 .name
= "Atmel AT49BV16XT",
613 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
614 .uaddr
= MTD_UADDR_0x0555_0x0AAA
, /* ???? */
615 .dev_size
= SIZE_2MiB
,
616 .cmd_set
= P_ID_AMD_STD
,
619 ERASEINFO(0x10000,31),
623 .mfr_id
= MANUFACTURER_ATMEL
,
625 .name
= "Atmel AT49BV32X",
626 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
627 .uaddr
= MTD_UADDR_0x0555_0x0AAA
, /* ???? */
628 .dev_size
= SIZE_4MiB
,
629 .cmd_set
= P_ID_AMD_STD
,
632 ERASEINFO(0x02000,8),
633 ERASEINFO(0x10000,63)
636 .mfr_id
= MANUFACTURER_ATMEL
,
637 .dev_id
= AT49BV32XT
,
638 .name
= "Atmel AT49BV32XT",
639 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
640 .uaddr
= MTD_UADDR_0x0555_0x0AAA
, /* ???? */
641 .dev_size
= SIZE_4MiB
,
642 .cmd_set
= P_ID_AMD_STD
,
645 ERASEINFO(0x10000,63),
649 .mfr_id
= MANUFACTURER_EON
,
650 .dev_id
= EN29SL800BT
,
651 .name
= "Eon EN29SL800BT",
652 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
653 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
654 .dev_size
= SIZE_1MiB
,
655 .cmd_set
= P_ID_AMD_STD
,
658 ERASEINFO(0x10000,15),
659 ERASEINFO(0x08000,1),
660 ERASEINFO(0x02000,2),
661 ERASEINFO(0x04000,1),
664 .mfr_id
= MANUFACTURER_EON
,
665 .dev_id
= EN29SL800BB
,
666 .name
= "Eon EN29SL800BB",
667 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
668 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
669 .dev_size
= SIZE_1MiB
,
670 .cmd_set
= P_ID_AMD_STD
,
673 ERASEINFO(0x04000,1),
674 ERASEINFO(0x02000,2),
675 ERASEINFO(0x08000,1),
676 ERASEINFO(0x10000,15),
679 .mfr_id
= MANUFACTURER_FUJITSU
,
680 .dev_id
= MBM29F040C
,
681 .name
= "Fujitsu MBM29F040C",
682 .devtypes
= CFI_DEVICETYPE_X8
,
683 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
684 .dev_size
= SIZE_512KiB
,
685 .cmd_set
= P_ID_AMD_STD
,
691 .mfr_id
= MANUFACTURER_FUJITSU
,
692 .dev_id
= MBM29F800BA
,
693 .name
= "Fujitsu MBM29F800BA",
694 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
695 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
696 .dev_size
= SIZE_1MiB
,
697 .cmd_set
= P_ID_AMD_STD
,
700 ERASEINFO(0x04000,1),
701 ERASEINFO(0x02000,2),
702 ERASEINFO(0x08000,1),
703 ERASEINFO(0x10000,15),
706 .mfr_id
= MANUFACTURER_FUJITSU
,
707 .dev_id
= MBM29LV650UE
,
708 .name
= "Fujitsu MBM29LV650UE",
709 .devtypes
= CFI_DEVICETYPE_X8
,
710 .uaddr
= MTD_UADDR_DONT_CARE
,
711 .dev_size
= SIZE_8MiB
,
712 .cmd_set
= P_ID_AMD_STD
,
715 ERASEINFO(0x10000,128)
718 .mfr_id
= MANUFACTURER_FUJITSU
,
719 .dev_id
= MBM29LV320TE
,
720 .name
= "Fujitsu MBM29LV320TE",
721 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
722 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
723 .dev_size
= SIZE_4MiB
,
724 .cmd_set
= P_ID_AMD_STD
,
727 ERASEINFO(0x10000,63),
731 .mfr_id
= MANUFACTURER_FUJITSU
,
732 .dev_id
= MBM29LV320BE
,
733 .name
= "Fujitsu MBM29LV320BE",
734 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
735 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
736 .dev_size
= SIZE_4MiB
,
737 .cmd_set
= P_ID_AMD_STD
,
740 ERASEINFO(0x02000,8),
741 ERASEINFO(0x10000,63)
744 .mfr_id
= MANUFACTURER_FUJITSU
,
745 .dev_id
= MBM29LV160TE
,
746 .name
= "Fujitsu MBM29LV160TE",
747 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
748 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
749 .dev_size
= SIZE_2MiB
,
750 .cmd_set
= P_ID_AMD_STD
,
753 ERASEINFO(0x10000,31),
754 ERASEINFO(0x08000,1),
755 ERASEINFO(0x02000,2),
759 .mfr_id
= MANUFACTURER_FUJITSU
,
760 .dev_id
= MBM29LV160BE
,
761 .name
= "Fujitsu MBM29LV160BE",
762 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
763 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
764 .dev_size
= SIZE_2MiB
,
765 .cmd_set
= P_ID_AMD_STD
,
768 ERASEINFO(0x04000,1),
769 ERASEINFO(0x02000,2),
770 ERASEINFO(0x08000,1),
771 ERASEINFO(0x10000,31)
774 .mfr_id
= MANUFACTURER_FUJITSU
,
775 .dev_id
= MBM29LV800BA
,
776 .name
= "Fujitsu MBM29LV800BA",
777 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
778 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
779 .dev_size
= SIZE_1MiB
,
780 .cmd_set
= P_ID_AMD_STD
,
783 ERASEINFO(0x04000,1),
784 ERASEINFO(0x02000,2),
785 ERASEINFO(0x08000,1),
786 ERASEINFO(0x10000,15)
789 .mfr_id
= MANUFACTURER_FUJITSU
,
790 .dev_id
= MBM29LV800TA
,
791 .name
= "Fujitsu MBM29LV800TA",
792 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
793 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
794 .dev_size
= SIZE_1MiB
,
795 .cmd_set
= P_ID_AMD_STD
,
798 ERASEINFO(0x10000,15),
799 ERASEINFO(0x08000,1),
800 ERASEINFO(0x02000,2),
804 .mfr_id
= MANUFACTURER_FUJITSU
,
805 .dev_id
= MBM29LV400BC
,
806 .name
= "Fujitsu MBM29LV400BC",
807 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
808 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
809 .dev_size
= SIZE_512KiB
,
810 .cmd_set
= P_ID_AMD_STD
,
813 ERASEINFO(0x04000,1),
814 ERASEINFO(0x02000,2),
815 ERASEINFO(0x08000,1),
819 .mfr_id
= MANUFACTURER_FUJITSU
,
820 .dev_id
= MBM29LV400TC
,
821 .name
= "Fujitsu MBM29LV400TC",
822 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
823 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
824 .dev_size
= SIZE_512KiB
,
825 .cmd_set
= P_ID_AMD_STD
,
828 ERASEINFO(0x10000,7),
829 ERASEINFO(0x08000,1),
830 ERASEINFO(0x02000,2),
834 .mfr_id
= MANUFACTURER_HYUNDAI
,
836 .name
= "Hyundai HY29F002T",
837 .devtypes
= CFI_DEVICETYPE_X8
,
838 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
839 .dev_size
= SIZE_256KiB
,
840 .cmd_set
= P_ID_AMD_STD
,
843 ERASEINFO(0x10000,3),
844 ERASEINFO(0x08000,1),
845 ERASEINFO(0x02000,2),
846 ERASEINFO(0x04000,1),
849 .mfr_id
= MANUFACTURER_INTEL
,
850 .dev_id
= I28F004B3B
,
851 .name
= "Intel 28F004B3B",
852 .devtypes
= CFI_DEVICETYPE_X8
,
853 .uaddr
= MTD_UADDR_UNNECESSARY
,
854 .dev_size
= SIZE_512KiB
,
855 .cmd_set
= P_ID_INTEL_STD
,
858 ERASEINFO(0x02000, 8),
859 ERASEINFO(0x10000, 7),
862 .mfr_id
= MANUFACTURER_INTEL
,
863 .dev_id
= I28F004B3T
,
864 .name
= "Intel 28F004B3T",
865 .devtypes
= CFI_DEVICETYPE_X8
,
866 .uaddr
= MTD_UADDR_UNNECESSARY
,
867 .dev_size
= SIZE_512KiB
,
868 .cmd_set
= P_ID_INTEL_STD
,
871 ERASEINFO(0x10000, 7),
872 ERASEINFO(0x02000, 8),
875 .mfr_id
= MANUFACTURER_INTEL
,
876 .dev_id
= I28F400B3B
,
877 .name
= "Intel 28F400B3B",
878 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
879 .uaddr
= MTD_UADDR_UNNECESSARY
,
880 .dev_size
= SIZE_512KiB
,
881 .cmd_set
= P_ID_INTEL_STD
,
884 ERASEINFO(0x02000, 8),
885 ERASEINFO(0x10000, 7),
888 .mfr_id
= MANUFACTURER_INTEL
,
889 .dev_id
= I28F400B3T
,
890 .name
= "Intel 28F400B3T",
891 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
892 .uaddr
= MTD_UADDR_UNNECESSARY
,
893 .dev_size
= SIZE_512KiB
,
894 .cmd_set
= P_ID_INTEL_STD
,
897 ERASEINFO(0x10000, 7),
898 ERASEINFO(0x02000, 8),
901 .mfr_id
= MANUFACTURER_INTEL
,
902 .dev_id
= I28F008B3B
,
903 .name
= "Intel 28F008B3B",
904 .devtypes
= CFI_DEVICETYPE_X8
,
905 .uaddr
= MTD_UADDR_UNNECESSARY
,
906 .dev_size
= SIZE_1MiB
,
907 .cmd_set
= P_ID_INTEL_STD
,
910 ERASEINFO(0x02000, 8),
911 ERASEINFO(0x10000, 15),
914 .mfr_id
= MANUFACTURER_INTEL
,
915 .dev_id
= I28F008B3T
,
916 .name
= "Intel 28F008B3T",
917 .devtypes
= CFI_DEVICETYPE_X8
,
918 .uaddr
= MTD_UADDR_UNNECESSARY
,
919 .dev_size
= SIZE_1MiB
,
920 .cmd_set
= P_ID_INTEL_STD
,
923 ERASEINFO(0x10000, 15),
924 ERASEINFO(0x02000, 8),
927 .mfr_id
= MANUFACTURER_INTEL
,
929 .name
= "Intel 28F008S5",
930 .devtypes
= CFI_DEVICETYPE_X8
,
931 .uaddr
= MTD_UADDR_UNNECESSARY
,
932 .dev_size
= SIZE_1MiB
,
933 .cmd_set
= P_ID_INTEL_EXT
,
936 ERASEINFO(0x10000,16),
939 .mfr_id
= MANUFACTURER_INTEL
,
941 .name
= "Intel 28F016S5",
942 .devtypes
= CFI_DEVICETYPE_X8
,
943 .uaddr
= MTD_UADDR_UNNECESSARY
,
944 .dev_size
= SIZE_2MiB
,
945 .cmd_set
= P_ID_INTEL_EXT
,
948 ERASEINFO(0x10000,32),
951 .mfr_id
= MANUFACTURER_INTEL
,
953 .name
= "Intel 28F008SA",
954 .devtypes
= CFI_DEVICETYPE_X8
,
955 .uaddr
= MTD_UADDR_UNNECESSARY
,
956 .dev_size
= SIZE_1MiB
,
957 .cmd_set
= P_ID_INTEL_STD
,
960 ERASEINFO(0x10000, 16),
963 .mfr_id
= MANUFACTURER_INTEL
,
964 .dev_id
= I28F800B3B
,
965 .name
= "Intel 28F800B3B",
966 .devtypes
= CFI_DEVICETYPE_X16
,
967 .uaddr
= MTD_UADDR_UNNECESSARY
,
968 .dev_size
= SIZE_1MiB
,
969 .cmd_set
= P_ID_INTEL_STD
,
972 ERASEINFO(0x02000, 8),
973 ERASEINFO(0x10000, 15),
976 .mfr_id
= MANUFACTURER_INTEL
,
977 .dev_id
= I28F800B3T
,
978 .name
= "Intel 28F800B3T",
979 .devtypes
= CFI_DEVICETYPE_X16
,
980 .uaddr
= MTD_UADDR_UNNECESSARY
,
981 .dev_size
= SIZE_1MiB
,
982 .cmd_set
= P_ID_INTEL_STD
,
985 ERASEINFO(0x10000, 15),
986 ERASEINFO(0x02000, 8),
989 .mfr_id
= MANUFACTURER_INTEL
,
990 .dev_id
= I28F016B3B
,
991 .name
= "Intel 28F016B3B",
992 .devtypes
= CFI_DEVICETYPE_X8
,
993 .uaddr
= MTD_UADDR_UNNECESSARY
,
994 .dev_size
= SIZE_2MiB
,
995 .cmd_set
= P_ID_INTEL_STD
,
998 ERASEINFO(0x02000, 8),
999 ERASEINFO(0x10000, 31),
1002 .mfr_id
= MANUFACTURER_INTEL
,
1003 .dev_id
= I28F016S3
,
1004 .name
= "Intel I28F016S3",
1005 .devtypes
= CFI_DEVICETYPE_X8
,
1006 .uaddr
= MTD_UADDR_UNNECESSARY
,
1007 .dev_size
= SIZE_2MiB
,
1008 .cmd_set
= P_ID_INTEL_STD
,
1011 ERASEINFO(0x10000, 32),
1014 .mfr_id
= MANUFACTURER_INTEL
,
1015 .dev_id
= I28F016B3T
,
1016 .name
= "Intel 28F016B3T",
1017 .devtypes
= CFI_DEVICETYPE_X8
,
1018 .uaddr
= MTD_UADDR_UNNECESSARY
,
1019 .dev_size
= SIZE_2MiB
,
1020 .cmd_set
= P_ID_INTEL_STD
,
1023 ERASEINFO(0x10000, 31),
1024 ERASEINFO(0x02000, 8),
1027 .mfr_id
= MANUFACTURER_INTEL
,
1028 .dev_id
= I28F160B3B
,
1029 .name
= "Intel 28F160B3B",
1030 .devtypes
= CFI_DEVICETYPE_X16
,
1031 .uaddr
= MTD_UADDR_UNNECESSARY
,
1032 .dev_size
= SIZE_2MiB
,
1033 .cmd_set
= P_ID_INTEL_STD
,
1036 ERASEINFO(0x02000, 8),
1037 ERASEINFO(0x10000, 31),
1040 .mfr_id
= MANUFACTURER_INTEL
,
1041 .dev_id
= I28F160B3T
,
1042 .name
= "Intel 28F160B3T",
1043 .devtypes
= CFI_DEVICETYPE_X16
,
1044 .uaddr
= MTD_UADDR_UNNECESSARY
,
1045 .dev_size
= SIZE_2MiB
,
1046 .cmd_set
= P_ID_INTEL_STD
,
1049 ERASEINFO(0x10000, 31),
1050 ERASEINFO(0x02000, 8),
1053 .mfr_id
= MANUFACTURER_INTEL
,
1054 .dev_id
= I28F320B3B
,
1055 .name
= "Intel 28F320B3B",
1056 .devtypes
= CFI_DEVICETYPE_X16
,
1057 .uaddr
= MTD_UADDR_UNNECESSARY
,
1058 .dev_size
= SIZE_4MiB
,
1059 .cmd_set
= P_ID_INTEL_STD
,
1062 ERASEINFO(0x02000, 8),
1063 ERASEINFO(0x10000, 63),
1066 .mfr_id
= MANUFACTURER_INTEL
,
1067 .dev_id
= I28F320B3T
,
1068 .name
= "Intel 28F320B3T",
1069 .devtypes
= CFI_DEVICETYPE_X16
,
1070 .uaddr
= MTD_UADDR_UNNECESSARY
,
1071 .dev_size
= SIZE_4MiB
,
1072 .cmd_set
= P_ID_INTEL_STD
,
1075 ERASEINFO(0x10000, 63),
1076 ERASEINFO(0x02000, 8),
1079 .mfr_id
= MANUFACTURER_INTEL
,
1080 .dev_id
= I28F640B3B
,
1081 .name
= "Intel 28F640B3B",
1082 .devtypes
= CFI_DEVICETYPE_X16
,
1083 .uaddr
= MTD_UADDR_UNNECESSARY
,
1084 .dev_size
= SIZE_8MiB
,
1085 .cmd_set
= P_ID_INTEL_STD
,
1088 ERASEINFO(0x02000, 8),
1089 ERASEINFO(0x10000, 127),
1092 .mfr_id
= MANUFACTURER_INTEL
,
1093 .dev_id
= I28F640B3T
,
1094 .name
= "Intel 28F640B3T",
1095 .devtypes
= CFI_DEVICETYPE_X16
,
1096 .uaddr
= MTD_UADDR_UNNECESSARY
,
1097 .dev_size
= SIZE_8MiB
,
1098 .cmd_set
= P_ID_INTEL_STD
,
1101 ERASEINFO(0x10000, 127),
1102 ERASEINFO(0x02000, 8),
1105 .mfr_id
= MANUFACTURER_INTEL
,
1107 .name
= "Intel 82802AB",
1108 .devtypes
= CFI_DEVICETYPE_X8
,
1109 .uaddr
= MTD_UADDR_UNNECESSARY
,
1110 .dev_size
= SIZE_512KiB
,
1111 .cmd_set
= P_ID_INTEL_EXT
,
1114 ERASEINFO(0x10000,8),
1117 .mfr_id
= MANUFACTURER_INTEL
,
1119 .name
= "Intel 82802AC",
1120 .devtypes
= CFI_DEVICETYPE_X8
,
1121 .uaddr
= MTD_UADDR_UNNECESSARY
,
1122 .dev_size
= SIZE_1MiB
,
1123 .cmd_set
= P_ID_INTEL_EXT
,
1126 ERASEINFO(0x10000,16),
1129 .mfr_id
= MANUFACTURER_MACRONIX
,
1130 .dev_id
= MX29LV040C
,
1131 .name
= "Macronix MX29LV040C",
1132 .devtypes
= CFI_DEVICETYPE_X8
,
1133 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1134 .dev_size
= SIZE_512KiB
,
1135 .cmd_set
= P_ID_AMD_STD
,
1138 ERASEINFO(0x10000,8),
1141 .mfr_id
= MANUFACTURER_MACRONIX
,
1142 .dev_id
= MX29LV160T
,
1143 .name
= "MXIC MX29LV160T",
1144 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1145 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1146 .dev_size
= SIZE_2MiB
,
1147 .cmd_set
= P_ID_AMD_STD
,
1150 ERASEINFO(0x10000,31),
1151 ERASEINFO(0x08000,1),
1152 ERASEINFO(0x02000,2),
1153 ERASEINFO(0x04000,1)
1156 .mfr_id
= MANUFACTURER_NEC
,
1157 .dev_id
= UPD29F064115
,
1158 .name
= "NEC uPD29F064115",
1159 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1160 .uaddr
= MTD_UADDR_0x0555_0x02AA
, /* ???? */
1161 .dev_size
= SIZE_8MiB
,
1162 .cmd_set
= P_ID_AMD_STD
,
1165 ERASEINFO(0x2000,8),
1166 ERASEINFO(0x10000,126),
1167 ERASEINFO(0x2000,8),
1170 .mfr_id
= MANUFACTURER_MACRONIX
,
1171 .dev_id
= MX29LV160B
,
1172 .name
= "MXIC MX29LV160B",
1173 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1174 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1175 .dev_size
= SIZE_2MiB
,
1176 .cmd_set
= P_ID_AMD_STD
,
1179 ERASEINFO(0x04000,1),
1180 ERASEINFO(0x02000,2),
1181 ERASEINFO(0x08000,1),
1182 ERASEINFO(0x10000,31)
1185 .mfr_id
= MANUFACTURER_MACRONIX
,
1187 .name
= "Macronix MX29F040",
1188 .devtypes
= CFI_DEVICETYPE_X8
,
1189 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1190 .dev_size
= SIZE_512KiB
,
1191 .cmd_set
= P_ID_AMD_STD
,
1194 ERASEINFO(0x10000,8),
1197 .mfr_id
= MANUFACTURER_MACRONIX
,
1199 .name
= "Macronix MX29F016",
1200 .devtypes
= CFI_DEVICETYPE_X8
,
1201 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1202 .dev_size
= SIZE_2MiB
,
1203 .cmd_set
= P_ID_AMD_STD
,
1206 ERASEINFO(0x10000,32),
1209 .mfr_id
= MANUFACTURER_MACRONIX
,
1210 .dev_id
= MX29F004T
,
1211 .name
= "Macronix MX29F004T",
1212 .devtypes
= CFI_DEVICETYPE_X8
,
1213 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1214 .dev_size
= SIZE_512KiB
,
1215 .cmd_set
= P_ID_AMD_STD
,
1218 ERASEINFO(0x10000,7),
1219 ERASEINFO(0x08000,1),
1220 ERASEINFO(0x02000,2),
1221 ERASEINFO(0x04000,1),
1224 .mfr_id
= MANUFACTURER_MACRONIX
,
1225 .dev_id
= MX29F004B
,
1226 .name
= "Macronix MX29F004B",
1227 .devtypes
= CFI_DEVICETYPE_X8
,
1228 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1229 .dev_size
= SIZE_512KiB
,
1230 .cmd_set
= P_ID_AMD_STD
,
1233 ERASEINFO(0x04000,1),
1234 ERASEINFO(0x02000,2),
1235 ERASEINFO(0x08000,1),
1236 ERASEINFO(0x10000,7),
1239 .mfr_id
= MANUFACTURER_MACRONIX
,
1240 .dev_id
= MX29F002T
,
1241 .name
= "Macronix MX29F002T",
1242 .devtypes
= CFI_DEVICETYPE_X8
,
1243 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1244 .dev_size
= SIZE_256KiB
,
1245 .cmd_set
= P_ID_AMD_STD
,
1248 ERASEINFO(0x10000,3),
1249 ERASEINFO(0x08000,1),
1250 ERASEINFO(0x02000,2),
1251 ERASEINFO(0x04000,1),
1254 .mfr_id
= MANUFACTURER_PMC
,
1255 .dev_id
= PM49FL002
,
1256 .name
= "PMC Pm49FL002",
1257 .devtypes
= CFI_DEVICETYPE_X8
,
1258 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1259 .dev_size
= SIZE_256KiB
,
1260 .cmd_set
= P_ID_AMD_STD
,
1263 ERASEINFO( 0x01000, 64 )
1266 .mfr_id
= MANUFACTURER_PMC
,
1267 .dev_id
= PM49FL004
,
1268 .name
= "PMC Pm49FL004",
1269 .devtypes
= CFI_DEVICETYPE_X8
,
1270 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1271 .dev_size
= SIZE_512KiB
,
1272 .cmd_set
= P_ID_AMD_STD
,
1275 ERASEINFO( 0x01000, 128 )
1278 .mfr_id
= MANUFACTURER_PMC
,
1279 .dev_id
= PM49FL008
,
1280 .name
= "PMC Pm49FL008",
1281 .devtypes
= CFI_DEVICETYPE_X8
,
1282 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1283 .dev_size
= SIZE_1MiB
,
1284 .cmd_set
= P_ID_AMD_STD
,
1287 ERASEINFO( 0x01000, 256 )
1290 .mfr_id
= MANUFACTURER_SHARP
,
1291 .dev_id
= LH28F640BF
,
1292 .name
= "LH28F640BF",
1293 .devtypes
= CFI_DEVICETYPE_X8
,
1294 .uaddr
= MTD_UADDR_UNNECESSARY
,
1295 .dev_size
= SIZE_4MiB
,
1296 .cmd_set
= P_ID_INTEL_STD
,
1299 ERASEINFO(0x40000,16),
1302 .mfr_id
= MANUFACTURER_SST
,
1303 .dev_id
= SST39LF512
,
1304 .name
= "SST 39LF512",
1305 .devtypes
= CFI_DEVICETYPE_X8
,
1306 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1307 .dev_size
= SIZE_64KiB
,
1308 .cmd_set
= P_ID_AMD_STD
,
1311 ERASEINFO(0x01000,16),
1314 .mfr_id
= MANUFACTURER_SST
,
1315 .dev_id
= SST39LF010
,
1316 .name
= "SST 39LF010",
1317 .devtypes
= CFI_DEVICETYPE_X8
,
1318 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1319 .dev_size
= SIZE_128KiB
,
1320 .cmd_set
= P_ID_AMD_STD
,
1323 ERASEINFO(0x01000,32),
1326 .mfr_id
= MANUFACTURER_SST
,
1327 .dev_id
= SST29EE020
,
1328 .name
= "SST 29EE020",
1329 .devtypes
= CFI_DEVICETYPE_X8
,
1330 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1331 .dev_size
= SIZE_256KiB
,
1332 .cmd_set
= P_ID_SST_PAGE
,
1334 .regions
= {ERASEINFO(0x01000,64),
1337 .mfr_id
= MANUFACTURER_SST
,
1338 .dev_id
= SST29LE020
,
1339 .name
= "SST 29LE020",
1340 .devtypes
= CFI_DEVICETYPE_X8
,
1341 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1342 .dev_size
= SIZE_256KiB
,
1343 .cmd_set
= P_ID_SST_PAGE
,
1345 .regions
= {ERASEINFO(0x01000,64),
1348 .mfr_id
= MANUFACTURER_SST
,
1349 .dev_id
= SST39LF020
,
1350 .name
= "SST 39LF020",
1351 .devtypes
= CFI_DEVICETYPE_X8
,
1352 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1353 .dev_size
= SIZE_256KiB
,
1354 .cmd_set
= P_ID_AMD_STD
,
1357 ERASEINFO(0x01000,64),
1360 .mfr_id
= MANUFACTURER_SST
,
1361 .dev_id
= SST39LF040
,
1362 .name
= "SST 39LF040",
1363 .devtypes
= CFI_DEVICETYPE_X8
,
1364 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1365 .dev_size
= SIZE_512KiB
,
1366 .cmd_set
= P_ID_AMD_STD
,
1369 ERASEINFO(0x01000,128),
1372 .mfr_id
= MANUFACTURER_SST
,
1373 .dev_id
= SST39SF010A
,
1374 .name
= "SST 39SF010A",
1375 .devtypes
= CFI_DEVICETYPE_X8
,
1376 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1377 .dev_size
= SIZE_128KiB
,
1378 .cmd_set
= P_ID_AMD_STD
,
1381 ERASEINFO(0x01000,32),
1384 .mfr_id
= MANUFACTURER_SST
,
1385 .dev_id
= SST39SF020A
,
1386 .name
= "SST 39SF020A",
1387 .devtypes
= CFI_DEVICETYPE_X8
,
1388 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1389 .dev_size
= SIZE_256KiB
,
1390 .cmd_set
= P_ID_AMD_STD
,
1393 ERASEINFO(0x01000,64),
1396 .mfr_id
= MANUFACTURER_SST
,
1397 .dev_id
= SST39SF040
,
1398 .name
= "SST 39SF040",
1399 .devtypes
= CFI_DEVICETYPE_X8
,
1400 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1401 .dev_size
= SIZE_512KiB
,
1402 .cmd_set
= P_ID_AMD_STD
,
1405 ERASEINFO(0x01000,128),
1408 .mfr_id
= MANUFACTURER_SST
,
1409 .dev_id
= SST49LF040B
,
1410 .name
= "SST 49LF040B",
1411 .devtypes
= CFI_DEVICETYPE_X8
,
1412 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1413 .dev_size
= SIZE_512KiB
,
1414 .cmd_set
= P_ID_AMD_STD
,
1417 ERASEINFO(0x01000,128),
1421 .mfr_id
= MANUFACTURER_SST
,
1422 .dev_id
= SST49LF004B
,
1423 .name
= "SST 49LF004B",
1424 .devtypes
= CFI_DEVICETYPE_X8
,
1425 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1426 .dev_size
= SIZE_512KiB
,
1427 .cmd_set
= P_ID_AMD_STD
,
1430 ERASEINFO(0x01000,128),
1433 .mfr_id
= MANUFACTURER_SST
,
1434 .dev_id
= SST49LF008A
,
1435 .name
= "SST 49LF008A",
1436 .devtypes
= CFI_DEVICETYPE_X8
,
1437 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1438 .dev_size
= SIZE_1MiB
,
1439 .cmd_set
= P_ID_AMD_STD
,
1442 ERASEINFO(0x01000,256),
1445 .mfr_id
= MANUFACTURER_SST
,
1446 .dev_id
= SST49LF030A
,
1447 .name
= "SST 49LF030A",
1448 .devtypes
= CFI_DEVICETYPE_X8
,
1449 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1450 .dev_size
= SIZE_512KiB
,
1451 .cmd_set
= P_ID_AMD_STD
,
1454 ERASEINFO(0x01000,96),
1457 .mfr_id
= MANUFACTURER_SST
,
1458 .dev_id
= SST49LF040A
,
1459 .name
= "SST 49LF040A",
1460 .devtypes
= CFI_DEVICETYPE_X8
,
1461 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1462 .dev_size
= SIZE_512KiB
,
1463 .cmd_set
= P_ID_AMD_STD
,
1466 ERASEINFO(0x01000,128),
1469 .mfr_id
= MANUFACTURER_SST
,
1470 .dev_id
= SST49LF080A
,
1471 .name
= "SST 49LF080A",
1472 .devtypes
= CFI_DEVICETYPE_X8
,
1473 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1474 .dev_size
= SIZE_1MiB
,
1475 .cmd_set
= P_ID_AMD_STD
,
1478 ERASEINFO(0x01000,256),
1481 .mfr_id
= MANUFACTURER_SST
, /* should be CFI */
1482 .dev_id
= SST39LF160
,
1483 .name
= "SST 39LF160",
1484 .devtypes
= CFI_DEVICETYPE_X16
,
1485 .uaddr
= MTD_UADDR_0xAAAA_0x5555
,
1486 .dev_size
= SIZE_2MiB
,
1487 .cmd_set
= P_ID_AMD_STD
,
1490 ERASEINFO(0x1000,256),
1491 ERASEINFO(0x1000,256)
1494 .mfr_id
= MANUFACTURER_SST
, /* should be CFI */
1495 .dev_id
= SST39VF1601
,
1496 .name
= "SST 39VF1601",
1497 .devtypes
= CFI_DEVICETYPE_X16
,
1498 .uaddr
= MTD_UADDR_0xAAAA_0x5555
,
1499 .dev_size
= SIZE_2MiB
,
1500 .cmd_set
= P_ID_AMD_STD
,
1503 ERASEINFO(0x1000,256),
1504 ERASEINFO(0x1000,256)
1507 .mfr_id
= MANUFACTURER_SST
, /* should be CFI */
1508 .dev_id
= SST39VF3201
,
1509 .name
= "SST 39VF3201",
1510 .devtypes
= CFI_DEVICETYPE_X16
,
1511 .uaddr
= MTD_UADDR_0xAAAA_0x5555
,
1512 .dev_size
= SIZE_4MiB
,
1513 .cmd_set
= P_ID_AMD_STD
,
1516 ERASEINFO(0x1000,256),
1517 ERASEINFO(0x1000,256),
1518 ERASEINFO(0x1000,256),
1519 ERASEINFO(0x1000,256)
1522 .mfr_id
= MANUFACTURER_SST
,
1523 .dev_id
= SST36VF3203
,
1524 .name
= "SST 36VF3203",
1525 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1526 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1527 .dev_size
= SIZE_4MiB
,
1528 .cmd_set
= P_ID_AMD_STD
,
1531 ERASEINFO(0x10000,64),
1534 .mfr_id
= MANUFACTURER_ST
,
1535 .dev_id
= M29F800AB
,
1536 .name
= "ST M29F800AB",
1537 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1538 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1539 .dev_size
= SIZE_1MiB
,
1540 .cmd_set
= P_ID_AMD_STD
,
1543 ERASEINFO(0x04000,1),
1544 ERASEINFO(0x02000,2),
1545 ERASEINFO(0x08000,1),
1546 ERASEINFO(0x10000,15),
1549 .mfr_id
= MANUFACTURER_ST
, /* FIXME - CFI device? */
1550 .dev_id
= M29W800DT
,
1551 .name
= "ST M29W800DT",
1552 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1553 .uaddr
= MTD_UADDR_0x5555_0x2AAA
, /* ???? */
1554 .dev_size
= SIZE_1MiB
,
1555 .cmd_set
= P_ID_AMD_STD
,
1558 ERASEINFO(0x10000,15),
1559 ERASEINFO(0x08000,1),
1560 ERASEINFO(0x02000,2),
1561 ERASEINFO(0x04000,1)
1564 .mfr_id
= MANUFACTURER_ST
, /* FIXME - CFI device? */
1565 .dev_id
= M29W800DB
,
1566 .name
= "ST M29W800DB",
1567 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1568 .uaddr
= MTD_UADDR_0x5555_0x2AAA
, /* ???? */
1569 .dev_size
= SIZE_1MiB
,
1570 .cmd_set
= P_ID_AMD_STD
,
1573 ERASEINFO(0x04000,1),
1574 ERASEINFO(0x02000,2),
1575 ERASEINFO(0x08000,1),
1576 ERASEINFO(0x10000,15)
1579 .mfr_id
= MANUFACTURER_ST
,
1580 .dev_id
= M29W400DT
,
1581 .name
= "ST M29W400DT",
1582 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1583 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1584 .dev_size
= SIZE_512KiB
,
1585 .cmd_set
= P_ID_AMD_STD
,
1588 ERASEINFO(0x04000,7),
1589 ERASEINFO(0x02000,1),
1590 ERASEINFO(0x08000,2),
1591 ERASEINFO(0x10000,1)
1594 .mfr_id
= MANUFACTURER_ST
,
1595 .dev_id
= M29W400DB
,
1596 .name
= "ST M29W400DB",
1597 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1598 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1599 .dev_size
= SIZE_512KiB
,
1600 .cmd_set
= P_ID_AMD_STD
,
1603 ERASEINFO(0x04000,1),
1604 ERASEINFO(0x02000,2),
1605 ERASEINFO(0x08000,1),
1606 ERASEINFO(0x10000,7)
1609 .mfr_id
= MANUFACTURER_ST
, /* FIXME - CFI device? */
1610 .dev_id
= M29W160DT
,
1611 .name
= "ST M29W160DT",
1612 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1613 .uaddr
= MTD_UADDR_0x0555_0x02AA
, /* ???? */
1614 .dev_size
= SIZE_2MiB
,
1615 .cmd_set
= P_ID_AMD_STD
,
1618 ERASEINFO(0x10000,31),
1619 ERASEINFO(0x08000,1),
1620 ERASEINFO(0x02000,2),
1621 ERASEINFO(0x04000,1)
1624 .mfr_id
= MANUFACTURER_ST
, /* FIXME - CFI device? */
1625 .dev_id
= M29W160DB
,
1626 .name
= "ST M29W160DB",
1627 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1628 .uaddr
= MTD_UADDR_0x0555_0x02AA
, /* ???? */
1629 .dev_size
= SIZE_2MiB
,
1630 .cmd_set
= P_ID_AMD_STD
,
1633 ERASEINFO(0x04000,1),
1634 ERASEINFO(0x02000,2),
1635 ERASEINFO(0x08000,1),
1636 ERASEINFO(0x10000,31)
1639 .mfr_id
= MANUFACTURER_ST
,
1641 .name
= "ST M29W040B",
1642 .devtypes
= CFI_DEVICETYPE_X8
,
1643 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1644 .dev_size
= SIZE_512KiB
,
1645 .cmd_set
= P_ID_AMD_STD
,
1648 ERASEINFO(0x10000,8),
1651 .mfr_id
= MANUFACTURER_ST
,
1653 .name
= "ST M50FW040",
1654 .devtypes
= CFI_DEVICETYPE_X8
,
1655 .uaddr
= MTD_UADDR_UNNECESSARY
,
1656 .dev_size
= SIZE_512KiB
,
1657 .cmd_set
= P_ID_INTEL_EXT
,
1660 ERASEINFO(0x10000,8),
1663 .mfr_id
= MANUFACTURER_ST
,
1665 .name
= "ST M50FW080",
1666 .devtypes
= CFI_DEVICETYPE_X8
,
1667 .uaddr
= MTD_UADDR_UNNECESSARY
,
1668 .dev_size
= SIZE_1MiB
,
1669 .cmd_set
= P_ID_INTEL_EXT
,
1672 ERASEINFO(0x10000,16),
1675 .mfr_id
= MANUFACTURER_ST
,
1677 .name
= "ST M50FW016",
1678 .devtypes
= CFI_DEVICETYPE_X8
,
1679 .uaddr
= MTD_UADDR_UNNECESSARY
,
1680 .dev_size
= SIZE_2MiB
,
1681 .cmd_set
= P_ID_INTEL_EXT
,
1684 ERASEINFO(0x10000,32),
1687 .mfr_id
= MANUFACTURER_ST
,
1688 .dev_id
= M50LPW080
,
1689 .name
= "ST M50LPW080",
1690 .devtypes
= CFI_DEVICETYPE_X8
,
1691 .uaddr
= MTD_UADDR_UNNECESSARY
,
1692 .dev_size
= SIZE_1MiB
,
1693 .cmd_set
= P_ID_INTEL_EXT
,
1696 ERASEINFO(0x10000,16),
1699 .mfr_id
= MANUFACTURER_ST
,
1700 .dev_id
= M50FLW080A
,
1701 .name
= "ST M50FLW080A",
1702 .devtypes
= CFI_DEVICETYPE_X8
,
1703 .uaddr
= MTD_UADDR_UNNECESSARY
,
1704 .dev_size
= SIZE_1MiB
,
1705 .cmd_set
= P_ID_INTEL_EXT
,
1708 ERASEINFO(0x1000,16),
1709 ERASEINFO(0x10000,13),
1710 ERASEINFO(0x1000,16),
1711 ERASEINFO(0x1000,16),
1714 .mfr_id
= MANUFACTURER_ST
,
1715 .dev_id
= M50FLW080B
,
1716 .name
= "ST M50FLW080B",
1717 .devtypes
= CFI_DEVICETYPE_X8
,
1718 .uaddr
= MTD_UADDR_UNNECESSARY
,
1719 .dev_size
= SIZE_1MiB
,
1720 .cmd_set
= P_ID_INTEL_EXT
,
1723 ERASEINFO(0x1000,16),
1724 ERASEINFO(0x1000,16),
1725 ERASEINFO(0x10000,13),
1726 ERASEINFO(0x1000,16),
1729 .mfr_id
= MANUFACTURER_TOSHIBA
,
1730 .dev_id
= TC58FVT160
,
1731 .name
= "Toshiba TC58FVT160",
1732 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1733 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1734 .dev_size
= SIZE_2MiB
,
1735 .cmd_set
= P_ID_AMD_STD
,
1738 ERASEINFO(0x10000,31),
1739 ERASEINFO(0x08000,1),
1740 ERASEINFO(0x02000,2),
1741 ERASEINFO(0x04000,1)
1744 .mfr_id
= MANUFACTURER_TOSHIBA
,
1745 .dev_id
= TC58FVB160
,
1746 .name
= "Toshiba TC58FVB160",
1747 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1748 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1749 .dev_size
= SIZE_2MiB
,
1750 .cmd_set
= P_ID_AMD_STD
,
1753 ERASEINFO(0x04000,1),
1754 ERASEINFO(0x02000,2),
1755 ERASEINFO(0x08000,1),
1756 ERASEINFO(0x10000,31)
1759 .mfr_id
= MANUFACTURER_TOSHIBA
,
1760 .dev_id
= TC58FVB321
,
1761 .name
= "Toshiba TC58FVB321",
1762 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1763 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1764 .dev_size
= SIZE_4MiB
,
1765 .cmd_set
= P_ID_AMD_STD
,
1768 ERASEINFO(0x02000,8),
1769 ERASEINFO(0x10000,63)
1772 .mfr_id
= MANUFACTURER_TOSHIBA
,
1773 .dev_id
= TC58FVT321
,
1774 .name
= "Toshiba TC58FVT321",
1775 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1776 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1777 .dev_size
= SIZE_4MiB
,
1778 .cmd_set
= P_ID_AMD_STD
,
1781 ERASEINFO(0x10000,63),
1782 ERASEINFO(0x02000,8)
1785 .mfr_id
= MANUFACTURER_TOSHIBA
,
1786 .dev_id
= TC58FVB641
,
1787 .name
= "Toshiba TC58FVB641",
1788 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1789 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1790 .dev_size
= SIZE_8MiB
,
1791 .cmd_set
= P_ID_AMD_STD
,
1794 ERASEINFO(0x02000,8),
1795 ERASEINFO(0x10000,127)
1798 .mfr_id
= MANUFACTURER_TOSHIBA
,
1799 .dev_id
= TC58FVT641
,
1800 .name
= "Toshiba TC58FVT641",
1801 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1802 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1803 .dev_size
= SIZE_8MiB
,
1804 .cmd_set
= P_ID_AMD_STD
,
1807 ERASEINFO(0x10000,127),
1808 ERASEINFO(0x02000,8)
1811 .mfr_id
= MANUFACTURER_WINBOND
,
1813 .name
= "Winbond W49V002A",
1814 .devtypes
= CFI_DEVICETYPE_X8
,
1815 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1816 .dev_size
= SIZE_256KiB
,
1817 .cmd_set
= P_ID_AMD_STD
,
1820 ERASEINFO(0x10000, 3),
1821 ERASEINFO(0x08000, 1),
1822 ERASEINFO(0x02000, 2),
1823 ERASEINFO(0x04000, 1),
1828 static inline u32
jedec_read_mfr(struct map_info
*map
, uint32_t base
,
1829 struct cfi_private
*cfi
)
1835 /* According to JEDEC "Standard Manufacturer's Identification Code"
1836 * (http://www.jedec.org/download/search/jep106W.pdf)
1837 * several first banks can contain 0x7f instead of actual ID
1840 uint32_t ofs
= cfi_build_cmd_addr(0 + (bank
<< 8), map
, cfi
);
1841 mask
= (1 << (cfi
->device_type
* 8)) - 1;
1842 result
= map_read(map
, base
+ ofs
);
1844 } while ((result
.x
[0] & mask
) == CONTINUATION_CODE
);
1846 return result
.x
[0] & mask
;
1849 static inline u32
jedec_read_id(struct map_info
*map
, uint32_t base
,
1850 struct cfi_private
*cfi
)
1854 u32 ofs
= cfi_build_cmd_addr(1, map
, cfi
);
1855 mask
= (1 << (cfi
->device_type
* 8)) -1;
1856 result
= map_read(map
, base
+ ofs
);
1857 return result
.x
[0] & mask
;
1860 static void jedec_reset(u32 base
, struct map_info
*map
, struct cfi_private
*cfi
)
1864 /* after checking the datasheets for SST, MACRONIX and ATMEL
1865 * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1866 * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1867 * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1868 * as they will ignore the writes and dont care what address
1869 * the F0 is written to */
1870 if (cfi
->addr_unlock1
) {
1871 DEBUG( MTD_DEBUG_LEVEL3
,
1872 "reset unlock called %x %x \n",
1873 cfi
->addr_unlock1
,cfi
->addr_unlock2
);
1874 cfi_send_gen_cmd(0xaa, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
1875 cfi_send_gen_cmd(0x55, cfi
->addr_unlock2
, base
, map
, cfi
, cfi
->device_type
, NULL
);
1878 cfi_send_gen_cmd(0xF0, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
1879 /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1880 * so ensure we're in read mode. Send both the Intel and the AMD command
1881 * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so
1882 * this should be safe.
1884 cfi_send_gen_cmd(0xFF, 0, base
, map
, cfi
, cfi
->device_type
, NULL
);
1885 /* FIXME - should have reset delay before continuing */
1889 static int cfi_jedec_setup(struct cfi_private
*p_cfi
, int index
)
1891 int i
,num_erase_regions
;
1894 if (! (jedec_table
[index
].devtypes
& p_cfi
->device_type
)) {
1895 DEBUG(MTD_DEBUG_LEVEL1
, "Rejecting potential %s with incompatible %d-bit device type\n",
1896 jedec_table
[index
].name
, 4 * (1<<p_cfi
->device_type
));
1900 printk(KERN_INFO
"Found: %s\n",jedec_table
[index
].name
);
1902 num_erase_regions
= jedec_table
[index
].nr_regions
;
1904 p_cfi
->cfiq
= kmalloc(sizeof(struct cfi_ident
) + num_erase_regions
* 4, GFP_KERNEL
);
1906 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1910 memset(p_cfi
->cfiq
,0,sizeof(struct cfi_ident
));
1912 p_cfi
->cfiq
->P_ID
= jedec_table
[index
].cmd_set
;
1913 p_cfi
->cfiq
->NumEraseRegions
= jedec_table
[index
].nr_regions
;
1914 p_cfi
->cfiq
->DevSize
= jedec_table
[index
].dev_size
;
1915 p_cfi
->cfi_mode
= CFI_MODE_JEDEC
;
1917 for (i
=0; i
<num_erase_regions
; i
++){
1918 p_cfi
->cfiq
->EraseRegionInfo
[i
] = jedec_table
[index
].regions
[i
];
1920 p_cfi
->cmdset_priv
= NULL
;
1922 /* This may be redundant for some cases, but it doesn't hurt */
1923 p_cfi
->mfr
= jedec_table
[index
].mfr_id
;
1924 p_cfi
->id
= jedec_table
[index
].dev_id
;
1926 uaddr
= jedec_table
[index
].uaddr
;
1928 /* The table has unlock addresses in _bytes_, and we try not to let
1929 our brains explode when we see the datasheets talking about address
1930 lines numbered from A-1 to A18. The CFI table has unlock addresses
1931 in device-words according to the mode the device is connected in */
1932 p_cfi
->addr_unlock1
= unlock_addrs
[uaddr
].addr1
/ p_cfi
->device_type
;
1933 p_cfi
->addr_unlock2
= unlock_addrs
[uaddr
].addr2
/ p_cfi
->device_type
;
1940 * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1941 * the mapped address, unlock addresses, and proper chip ID. This function
1942 * attempts to minimize errors. It is doubtfull that this probe will ever
1943 * be perfect - consequently there should be some module parameters that
1944 * could be manually specified to force the chip info.
1946 static inline int jedec_match( uint32_t base
,
1947 struct map_info
*map
,
1948 struct cfi_private
*cfi
,
1949 const struct amd_flash_info
*finfo
)
1951 int rc
= 0; /* failure until all tests pass */
1956 * The IDs must match. For X16 and X32 devices operating in
1957 * a lower width ( X8 or X16 ), the device ID's are usually just
1958 * the lower byte(s) of the larger device ID for wider mode. If
1959 * a part is found that doesn't fit this assumption (device id for
1960 * smaller width mode is completely unrealated to full-width mode)
1961 * then the jedec_table[] will have to be augmented with the IDs
1962 * for different widths.
1964 switch (cfi
->device_type
) {
1965 case CFI_DEVICETYPE_X8
:
1966 mfr
= (uint8_t)finfo
->mfr_id
;
1967 id
= (uint8_t)finfo
->dev_id
;
1969 /* bjd: it seems that if we do this, we can end up
1970 * detecting 16bit flashes as an 8bit device, even though
1973 if (finfo
->dev_id
> 0xff) {
1974 DEBUG( MTD_DEBUG_LEVEL3
, "%s(): ID is not 8bit\n",
1979 case CFI_DEVICETYPE_X16
:
1980 mfr
= (uint16_t)finfo
->mfr_id
;
1981 id
= (uint16_t)finfo
->dev_id
;
1983 case CFI_DEVICETYPE_X32
:
1984 mfr
= (uint16_t)finfo
->mfr_id
;
1985 id
= (uint32_t)finfo
->dev_id
;
1989 "MTD %s(): Unsupported device type %d\n",
1990 __func__
, cfi
->device_type
);
1993 if ( cfi
->mfr
!= mfr
|| cfi
->id
!= id
) {
1997 /* the part size must fit in the memory window */
1998 DEBUG( MTD_DEBUG_LEVEL3
,
1999 "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
2000 __func__
, base
, 1 << finfo
->dev_size
, base
+ (1 << finfo
->dev_size
) );
2001 if ( base
+ cfi_interleave(cfi
) * ( 1 << finfo
->dev_size
) > map
->size
) {
2002 DEBUG( MTD_DEBUG_LEVEL3
,
2003 "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
2004 __func__
, finfo
->mfr_id
, finfo
->dev_id
,
2005 1 << finfo
->dev_size
);
2009 if (! (finfo
->devtypes
& cfi
->device_type
))
2012 uaddr
= finfo
->uaddr
;
2014 DEBUG( MTD_DEBUG_LEVEL3
, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
2015 __func__
, cfi
->addr_unlock1
, cfi
->addr_unlock2
);
2016 if ( MTD_UADDR_UNNECESSARY
!= uaddr
&& MTD_UADDR_DONT_CARE
!= uaddr
2017 && ( unlock_addrs
[uaddr
].addr1
/ cfi
->device_type
!= cfi
->addr_unlock1
||
2018 unlock_addrs
[uaddr
].addr2
/ cfi
->device_type
!= cfi
->addr_unlock2
) ) {
2019 DEBUG( MTD_DEBUG_LEVEL3
,
2020 "MTD %s(): 0x%.4x 0x%.4x did not match\n",
2022 unlock_addrs
[uaddr
].addr1
,
2023 unlock_addrs
[uaddr
].addr2
);
2028 * Make sure the ID's dissappear when the device is taken out of
2029 * ID mode. The only time this should fail when it should succeed
2030 * is when the ID's are written as data to the same
2031 * addresses. For this rare and unfortunate case the chip
2032 * cannot be probed correctly.
2033 * FIXME - write a driver that takes all of the chip info as
2034 * module parameters, doesn't probe but forces a load.
2036 DEBUG( MTD_DEBUG_LEVEL3
,
2037 "MTD %s(): check ID's disappear when not in ID mode\n",
2039 jedec_reset( base
, map
, cfi
);
2040 mfr
= jedec_read_mfr( map
, base
, cfi
);
2041 id
= jedec_read_id( map
, base
, cfi
);
2042 if ( mfr
== cfi
->mfr
&& id
== cfi
->id
) {
2043 DEBUG( MTD_DEBUG_LEVEL3
,
2044 "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
2045 "You might need to manually specify JEDEC parameters.\n",
2046 __func__
, cfi
->mfr
, cfi
->id
);
2050 /* all tests passed - mark as success */
2054 * Put the device back in ID mode - only need to do this if we
2055 * were truly frobbing a real device.
2057 DEBUG( MTD_DEBUG_LEVEL3
, "MTD %s(): return to ID mode\n", __func__
);
2058 if (cfi
->addr_unlock1
) {
2059 cfi_send_gen_cmd(0xaa, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2060 cfi_send_gen_cmd(0x55, cfi
->addr_unlock2
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2062 cfi_send_gen_cmd(0x90, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2063 /* FIXME - should have a delay before continuing */
2070 static int jedec_probe_chip(struct map_info
*map
, __u32 base
,
2071 unsigned long *chip_map
, struct cfi_private
*cfi
)
2074 enum uaddr uaddr_idx
= MTD_UADDR_NOT_SUPPORTED
;
2075 u32 probe_offset1
, probe_offset2
;
2078 if (!cfi
->numchips
) {
2081 if (MTD_UADDR_UNNECESSARY
== uaddr_idx
)
2084 cfi
->addr_unlock1
= unlock_addrs
[uaddr_idx
].addr1
/ cfi
->device_type
;
2085 cfi
->addr_unlock2
= unlock_addrs
[uaddr_idx
].addr2
/ cfi
->device_type
;
2088 /* Make certain we aren't probing past the end of map */
2089 if (base
>= map
->size
) {
2091 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2092 base
, map
->size
-1);
2096 /* Ensure the unlock addresses we try stay inside the map */
2097 probe_offset1
= cfi_build_cmd_addr(cfi
->addr_unlock1
, map
, cfi
);
2098 probe_offset2
= cfi_build_cmd_addr(cfi
->addr_unlock2
, map
, cfi
);
2099 if ( ((base
+ probe_offset1
+ map_bankwidth(map
)) >= map
->size
) ||
2100 ((base
+ probe_offset2
+ map_bankwidth(map
)) >= map
->size
))
2104 jedec_reset(base
, map
, cfi
);
2106 /* Autoselect Mode */
2107 if(cfi
->addr_unlock1
) {
2108 cfi_send_gen_cmd(0xaa, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2109 cfi_send_gen_cmd(0x55, cfi
->addr_unlock2
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2111 cfi_send_gen_cmd(0x90, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2112 /* FIXME - should have a delay before continuing */
2114 if (!cfi
->numchips
) {
2115 /* This is the first time we're called. Set up the CFI
2116 stuff accordingly and return */
2118 cfi
->mfr
= jedec_read_mfr(map
, base
, cfi
);
2119 cfi
->id
= jedec_read_id(map
, base
, cfi
);
2120 DEBUG(MTD_DEBUG_LEVEL3
,
2121 "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2122 cfi
->mfr
, cfi
->id
, cfi_interleave(cfi
), cfi
->device_type
);
2123 for (i
= 0; i
< ARRAY_SIZE(jedec_table
); i
++) {
2124 if ( jedec_match( base
, map
, cfi
, &jedec_table
[i
] ) ) {
2125 DEBUG( MTD_DEBUG_LEVEL3
,
2126 "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2127 __func__
, cfi
->mfr
, cfi
->id
,
2128 cfi
->addr_unlock1
, cfi
->addr_unlock2
);
2129 if (!cfi_jedec_setup(cfi
, i
))
2139 /* Make sure it is a chip of the same manufacturer and id */
2140 mfr
= jedec_read_mfr(map
, base
, cfi
);
2141 id
= jedec_read_id(map
, base
, cfi
);
2143 if ((mfr
!= cfi
->mfr
) || (id
!= cfi
->id
)) {
2144 printk(KERN_DEBUG
"%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2145 map
->name
, mfr
, id
, base
);
2146 jedec_reset(base
, map
, cfi
);
2151 /* Check each previous chip locations to see if it's an alias */
2152 for (i
=0; i
< (base
>> cfi
->chipshift
); i
++) {
2153 unsigned long start
;
2154 if(!test_bit(i
, chip_map
)) {
2155 continue; /* Skip location; no valid chip at this address */
2157 start
= i
<< cfi
->chipshift
;
2158 if (jedec_read_mfr(map
, start
, cfi
) == cfi
->mfr
&&
2159 jedec_read_id(map
, start
, cfi
) == cfi
->id
) {
2160 /* Eep. This chip also looks like it's in autoselect mode.
2161 Is it an alias for the new one? */
2162 jedec_reset(start
, map
, cfi
);
2164 /* If the device IDs go away, it's an alias */
2165 if (jedec_read_mfr(map
, base
, cfi
) != cfi
->mfr
||
2166 jedec_read_id(map
, base
, cfi
) != cfi
->id
) {
2167 printk(KERN_DEBUG
"%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2168 map
->name
, base
, start
);
2172 /* Yes, it's actually got the device IDs as data. Most
2173 * unfortunate. Stick the new chip in read mode
2174 * too and if it's the same, assume it's an alias. */
2175 /* FIXME: Use other modes to do a proper check */
2176 jedec_reset(base
, map
, cfi
);
2177 if (jedec_read_mfr(map
, base
, cfi
) == cfi
->mfr
&&
2178 jedec_read_id(map
, base
, cfi
) == cfi
->id
) {
2179 printk(KERN_DEBUG
"%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2180 map
->name
, base
, start
);
2186 /* OK, if we got to here, then none of the previous chips appear to
2187 be aliases for the current one. */
2188 set_bit((base
>> cfi
->chipshift
), chip_map
); /* Update chip map */
2192 /* Put it back into Read Mode */
2193 jedec_reset(base
, map
, cfi
);
2195 printk(KERN_INFO
"%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2196 map
->name
, cfi_interleave(cfi
), cfi
->device_type
*8, base
,
2202 static struct chip_probe jedec_chip_probe
= {
2204 .probe_chip
= jedec_probe_chip
2207 static struct mtd_info
*jedec_probe(struct map_info
*map
)
2210 * Just use the generic probe stuff to call our CFI-specific
2211 * chip_probe routine in all the possible permutations, etc.
2213 return mtd_do_chip_probe(map
, &jedec_chip_probe
);
2216 static struct mtd_chip_driver jedec_chipdrv
= {
2217 .probe
= jedec_probe
,
2218 .name
= "jedec_probe",
2219 .module
= THIS_MODULE
2222 static int __init
jedec_probe_init(void)
2224 register_mtd_chip_driver(&jedec_chipdrv
);
2228 static void __exit
jedec_probe_exit(void)
2230 unregister_mtd_chip_driver(&jedec_chipdrv
);
2233 module_init(jedec_probe_init
);
2234 module_exit(jedec_probe_exit
);
2236 MODULE_LICENSE("GPL");
2237 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2238 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");