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 AM29DL800BB 0x22CB
27 #define AM29DL800BT 0x224A
29 #define AM29F800BB 0x2258
30 #define AM29F800BT 0x22D6
31 #define AM29LV400BB 0x22BA
32 #define AM29LV400BT 0x22B9
33 #define AM29LV800BB 0x225B
34 #define AM29LV800BT 0x22DA
35 #define AM29LV160DT 0x22C4
36 #define AM29LV160DB 0x2249
37 #define AM29F017D 0x003D
38 #define AM29F016D 0x00AD
39 #define AM29F080 0x00D5
40 #define AM29F040 0x00A4
41 #define AM29LV040B 0x004F
42 #define AM29F032B 0x0041
43 #define AM29F002T 0x00B0
44 #define AM29SL800DB 0x226B
45 #define AM29SL800DT 0x22EA
48 #define AT49BV512 0x0003
49 #define AT29LV512 0x003d
50 #define AT49BV16X 0x00C0
51 #define AT49BV16XT 0x00C2
52 #define AT49BV32X 0x00C8
53 #define AT49BV32XT 0x00C9
56 #define EN29LV400AT 0x22B9
57 #define EN29LV400AB 0x22BA
58 #define EN29SL800BB 0x226B
59 #define EN29SL800BT 0x22EA
62 #define MBM29F040C 0x00A4
63 #define MBM29F800BA 0x2258
64 #define MBM29LV650UE 0x22D7
65 #define MBM29LV320TE 0x22F6
66 #define MBM29LV320BE 0x22F9
67 #define MBM29LV160TE 0x22C4
68 #define MBM29LV160BE 0x2249
69 #define MBM29LV800BA 0x225B
70 #define MBM29LV800TA 0x22DA
71 #define MBM29LV400TC 0x22B9
72 #define MBM29LV400BC 0x22BA
75 #define HY29F002T 0x00B0
78 #define I28F004B3T 0x00d4
79 #define I28F004B3B 0x00d5
80 #define I28F400B3T 0x8894
81 #define I28F400B3B 0x8895
82 #define I28F008S5 0x00a6
83 #define I28F016S5 0x00a0
84 #define I28F008SA 0x00a2
85 #define I28F008B3T 0x00d2
86 #define I28F008B3B 0x00d3
87 #define I28F800B3T 0x8892
88 #define I28F800B3B 0x8893
89 #define I28F016S3 0x00aa
90 #define I28F016B3T 0x00d0
91 #define I28F016B3B 0x00d1
92 #define I28F160B3T 0x8890
93 #define I28F160B3B 0x8891
94 #define I28F320B3T 0x8896
95 #define I28F320B3B 0x8897
96 #define I28F640B3T 0x8898
97 #define I28F640B3B 0x8899
98 #define I28F640C3B 0x88CD
99 #define I28F160F3T 0x88F3
100 #define I28F160F3B 0x88F4
101 #define I28F160C3T 0x88C2
102 #define I28F160C3B 0x88C3
103 #define I82802AB 0x00ad
104 #define I82802AC 0x00ac
107 #define MX29LV040C 0x004F
108 #define MX29LV160T 0x22C4
109 #define MX29LV160B 0x2249
110 #define MX29F040 0x00A4
111 #define MX29F016 0x00AD
112 #define MX29F002T 0x00B0
113 #define MX29F004T 0x0045
114 #define MX29F004B 0x0046
117 #define UPD29F064115 0x221C
120 #define PM49FL002 0x006D
121 #define PM49FL004 0x006E
122 #define PM49FL008 0x006A
125 #define LH28F640BF 0x00B0
127 /* ST - www.st.com */
128 #define M29F800AB 0x0058
129 #define M29W800DT 0x22D7
130 #define M29W800DB 0x225B
131 #define M29W400DT 0x00EE
132 #define M29W400DB 0x00EF
133 #define M29W160DT 0x22C4
134 #define M29W160DB 0x2249
135 #define M29W040B 0x00E3
136 #define M50FW040 0x002C
137 #define M50FW080 0x002D
138 #define M50FW016 0x002E
139 #define M50LPW080 0x002F
140 #define M50FLW080A 0x0080
141 #define M50FLW080B 0x0081
142 #define PSD4256G6V 0x00e9
145 #define SST29EE020 0x0010
146 #define SST29LE020 0x0012
147 #define SST29EE512 0x005d
148 #define SST29LE512 0x003d
149 #define SST39LF800 0x2781
150 #define SST39LF160 0x2782
151 #define SST39VF1601 0x234b
152 #define SST39VF3201 0x235b
153 #define SST39WF1601 0x274b
154 #define SST39WF1602 0x274a
155 #define SST39LF512 0x00D4
156 #define SST39LF010 0x00D5
157 #define SST39LF020 0x00D6
158 #define SST39LF040 0x00D7
159 #define SST39SF010A 0x00B5
160 #define SST39SF020A 0x00B6
161 #define SST39SF040 0x00B7
162 #define SST49LF004B 0x0060
163 #define SST49LF040B 0x0050
164 #define SST49LF008A 0x005a
165 #define SST49LF030A 0x001C
166 #define SST49LF040A 0x0051
167 #define SST49LF080A 0x005B
168 #define SST36VF3203 0x7354
171 #define TC58FVT160 0x00C2
172 #define TC58FVB160 0x0043
173 #define TC58FVT321 0x009A
174 #define TC58FVB321 0x009C
175 #define TC58FVT641 0x0093
176 #define TC58FVB641 0x0095
179 #define W49V002A 0x00b0
183 * Unlock address sets for AMD command sets.
184 * Intel command sets use the MTD_UADDR_UNNECESSARY.
185 * Each identifier, except MTD_UADDR_UNNECESSARY, and
186 * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
187 * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
188 * initialization need not require initializing all of the
189 * unlock addresses for all bit widths.
192 MTD_UADDR_NOT_SUPPORTED
= 0, /* data width not supported */
193 MTD_UADDR_0x0555_0x02AA
,
194 MTD_UADDR_0x0555_0x0AAA
,
195 MTD_UADDR_0x5555_0x2AAA
,
196 MTD_UADDR_0x0AAA_0x0554
,
197 MTD_UADDR_0x0AAA_0x0555
,
198 MTD_UADDR_0xAAAA_0x5555
,
199 MTD_UADDR_DONT_CARE
, /* Requires an arbitrary address */
200 MTD_UADDR_UNNECESSARY
, /* Does not require any address */
211 * I don't like the fact that the first entry in unlock_addrs[]
212 * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
213 * should not be used. The problem is that structures with
214 * initializers have extra fields initialized to 0. It is _very_
215 * desirable to have the unlock address entries for unsupported
216 * data widths automatically initialized - that means that
217 * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
220 static const struct unlock_addr unlock_addrs
[] = {
221 [MTD_UADDR_NOT_SUPPORTED
] = {
226 [MTD_UADDR_0x0555_0x02AA
] = {
231 [MTD_UADDR_0x0555_0x0AAA
] = {
236 [MTD_UADDR_0x5555_0x2AAA
] = {
241 [MTD_UADDR_0x0AAA_0x0554
] = {
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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_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
= CFI_MFR_EON
,
648 .dev_id
= EN29LV400AT
,
649 .name
= "Eon EN29LV400AT",
650 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
651 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
652 .dev_size
= SIZE_512KiB
,
653 .cmd_set
= P_ID_AMD_STD
,
656 ERASEINFO(0x10000,7),
657 ERASEINFO(0x08000,1),
658 ERASEINFO(0x02000,2),
659 ERASEINFO(0x04000,1),
662 .mfr_id
= CFI_MFR_EON
,
663 .dev_id
= EN29LV400AB
,
664 .name
= "Eon EN29LV400AB",
665 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
666 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
667 .dev_size
= SIZE_512KiB
,
668 .cmd_set
= P_ID_AMD_STD
,
671 ERASEINFO(0x04000,1),
672 ERASEINFO(0x02000,2),
673 ERASEINFO(0x08000,1),
674 ERASEINFO(0x10000,7),
677 .mfr_id
= CFI_MFR_EON
,
678 .dev_id
= EN29SL800BT
,
679 .name
= "Eon EN29SL800BT",
680 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
681 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
682 .dev_size
= SIZE_1MiB
,
683 .cmd_set
= P_ID_AMD_STD
,
686 ERASEINFO(0x10000,15),
687 ERASEINFO(0x08000,1),
688 ERASEINFO(0x02000,2),
689 ERASEINFO(0x04000,1),
692 .mfr_id
= CFI_MFR_EON
,
693 .dev_id
= EN29SL800BB
,
694 .name
= "Eon EN29SL800BB",
695 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
696 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
697 .dev_size
= SIZE_1MiB
,
698 .cmd_set
= P_ID_AMD_STD
,
701 ERASEINFO(0x04000,1),
702 ERASEINFO(0x02000,2),
703 ERASEINFO(0x08000,1),
704 ERASEINFO(0x10000,15),
707 .mfr_id
= CFI_MFR_FUJITSU
,
708 .dev_id
= MBM29F040C
,
709 .name
= "Fujitsu MBM29F040C",
710 .devtypes
= CFI_DEVICETYPE_X8
,
711 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
712 .dev_size
= SIZE_512KiB
,
713 .cmd_set
= P_ID_AMD_STD
,
719 .mfr_id
= CFI_MFR_FUJITSU
,
720 .dev_id
= MBM29F800BA
,
721 .name
= "Fujitsu MBM29F800BA",
722 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
723 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
724 .dev_size
= SIZE_1MiB
,
725 .cmd_set
= P_ID_AMD_STD
,
728 ERASEINFO(0x04000,1),
729 ERASEINFO(0x02000,2),
730 ERASEINFO(0x08000,1),
731 ERASEINFO(0x10000,15),
734 .mfr_id
= CFI_MFR_FUJITSU
,
735 .dev_id
= MBM29LV650UE
,
736 .name
= "Fujitsu MBM29LV650UE",
737 .devtypes
= CFI_DEVICETYPE_X8
,
738 .uaddr
= MTD_UADDR_DONT_CARE
,
739 .dev_size
= SIZE_8MiB
,
740 .cmd_set
= P_ID_AMD_STD
,
743 ERASEINFO(0x10000,128)
746 .mfr_id
= CFI_MFR_FUJITSU
,
747 .dev_id
= MBM29LV320TE
,
748 .name
= "Fujitsu MBM29LV320TE",
749 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
750 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
751 .dev_size
= SIZE_4MiB
,
752 .cmd_set
= P_ID_AMD_STD
,
755 ERASEINFO(0x10000,63),
759 .mfr_id
= CFI_MFR_FUJITSU
,
760 .dev_id
= MBM29LV320BE
,
761 .name
= "Fujitsu MBM29LV320BE",
762 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
763 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
764 .dev_size
= SIZE_4MiB
,
765 .cmd_set
= P_ID_AMD_STD
,
768 ERASEINFO(0x02000,8),
769 ERASEINFO(0x10000,63)
772 .mfr_id
= CFI_MFR_FUJITSU
,
773 .dev_id
= MBM29LV160TE
,
774 .name
= "Fujitsu MBM29LV160TE",
775 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
776 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
777 .dev_size
= SIZE_2MiB
,
778 .cmd_set
= P_ID_AMD_STD
,
781 ERASEINFO(0x10000,31),
782 ERASEINFO(0x08000,1),
783 ERASEINFO(0x02000,2),
787 .mfr_id
= CFI_MFR_FUJITSU
,
788 .dev_id
= MBM29LV160BE
,
789 .name
= "Fujitsu MBM29LV160BE",
790 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
791 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
792 .dev_size
= SIZE_2MiB
,
793 .cmd_set
= P_ID_AMD_STD
,
796 ERASEINFO(0x04000,1),
797 ERASEINFO(0x02000,2),
798 ERASEINFO(0x08000,1),
799 ERASEINFO(0x10000,31)
802 .mfr_id
= CFI_MFR_FUJITSU
,
803 .dev_id
= MBM29LV800BA
,
804 .name
= "Fujitsu MBM29LV800BA",
805 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
806 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
807 .dev_size
= SIZE_1MiB
,
808 .cmd_set
= P_ID_AMD_STD
,
811 ERASEINFO(0x04000,1),
812 ERASEINFO(0x02000,2),
813 ERASEINFO(0x08000,1),
814 ERASEINFO(0x10000,15)
817 .mfr_id
= CFI_MFR_FUJITSU
,
818 .dev_id
= MBM29LV800TA
,
819 .name
= "Fujitsu MBM29LV800TA",
820 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
821 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
822 .dev_size
= SIZE_1MiB
,
823 .cmd_set
= P_ID_AMD_STD
,
826 ERASEINFO(0x10000,15),
827 ERASEINFO(0x08000,1),
828 ERASEINFO(0x02000,2),
832 .mfr_id
= CFI_MFR_FUJITSU
,
833 .dev_id
= MBM29LV400BC
,
834 .name
= "Fujitsu MBM29LV400BC",
835 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
836 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
837 .dev_size
= SIZE_512KiB
,
838 .cmd_set
= P_ID_AMD_STD
,
841 ERASEINFO(0x04000,1),
842 ERASEINFO(0x02000,2),
843 ERASEINFO(0x08000,1),
847 .mfr_id
= CFI_MFR_FUJITSU
,
848 .dev_id
= MBM29LV400TC
,
849 .name
= "Fujitsu MBM29LV400TC",
850 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
851 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
852 .dev_size
= SIZE_512KiB
,
853 .cmd_set
= P_ID_AMD_STD
,
856 ERASEINFO(0x10000,7),
857 ERASEINFO(0x08000,1),
858 ERASEINFO(0x02000,2),
862 .mfr_id
= CFI_MFR_HYUNDAI
,
864 .name
= "Hyundai HY29F002T",
865 .devtypes
= CFI_DEVICETYPE_X8
,
866 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
867 .dev_size
= SIZE_256KiB
,
868 .cmd_set
= P_ID_AMD_STD
,
871 ERASEINFO(0x10000,3),
872 ERASEINFO(0x08000,1),
873 ERASEINFO(0x02000,2),
874 ERASEINFO(0x04000,1),
877 .mfr_id
= CFI_MFR_INTEL
,
878 .dev_id
= I28F004B3B
,
879 .name
= "Intel 28F004B3B",
880 .devtypes
= CFI_DEVICETYPE_X8
,
881 .uaddr
= MTD_UADDR_UNNECESSARY
,
882 .dev_size
= SIZE_512KiB
,
883 .cmd_set
= P_ID_INTEL_STD
,
886 ERASEINFO(0x02000, 8),
887 ERASEINFO(0x10000, 7),
890 .mfr_id
= CFI_MFR_INTEL
,
891 .dev_id
= I28F004B3T
,
892 .name
= "Intel 28F004B3T",
893 .devtypes
= CFI_DEVICETYPE_X8
,
894 .uaddr
= MTD_UADDR_UNNECESSARY
,
895 .dev_size
= SIZE_512KiB
,
896 .cmd_set
= P_ID_INTEL_STD
,
899 ERASEINFO(0x10000, 7),
900 ERASEINFO(0x02000, 8),
903 .mfr_id
= CFI_MFR_INTEL
,
904 .dev_id
= I28F400B3B
,
905 .name
= "Intel 28F400B3B",
906 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
907 .uaddr
= MTD_UADDR_UNNECESSARY
,
908 .dev_size
= SIZE_512KiB
,
909 .cmd_set
= P_ID_INTEL_STD
,
912 ERASEINFO(0x02000, 8),
913 ERASEINFO(0x10000, 7),
916 .mfr_id
= CFI_MFR_INTEL
,
917 .dev_id
= I28F400B3T
,
918 .name
= "Intel 28F400B3T",
919 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
920 .uaddr
= MTD_UADDR_UNNECESSARY
,
921 .dev_size
= SIZE_512KiB
,
922 .cmd_set
= P_ID_INTEL_STD
,
925 ERASEINFO(0x10000, 7),
926 ERASEINFO(0x02000, 8),
929 .mfr_id
= CFI_MFR_INTEL
,
930 .dev_id
= I28F008B3B
,
931 .name
= "Intel 28F008B3B",
932 .devtypes
= CFI_DEVICETYPE_X8
,
933 .uaddr
= MTD_UADDR_UNNECESSARY
,
934 .dev_size
= SIZE_1MiB
,
935 .cmd_set
= P_ID_INTEL_STD
,
938 ERASEINFO(0x02000, 8),
939 ERASEINFO(0x10000, 15),
942 .mfr_id
= CFI_MFR_INTEL
,
943 .dev_id
= I28F008B3T
,
944 .name
= "Intel 28F008B3T",
945 .devtypes
= CFI_DEVICETYPE_X8
,
946 .uaddr
= MTD_UADDR_UNNECESSARY
,
947 .dev_size
= SIZE_1MiB
,
948 .cmd_set
= P_ID_INTEL_STD
,
951 ERASEINFO(0x10000, 15),
952 ERASEINFO(0x02000, 8),
955 .mfr_id
= CFI_MFR_INTEL
,
957 .name
= "Intel 28F008S5",
958 .devtypes
= CFI_DEVICETYPE_X8
,
959 .uaddr
= MTD_UADDR_UNNECESSARY
,
960 .dev_size
= SIZE_1MiB
,
961 .cmd_set
= P_ID_INTEL_EXT
,
964 ERASEINFO(0x10000,16),
967 .mfr_id
= CFI_MFR_INTEL
,
969 .name
= "Intel 28F016S5",
970 .devtypes
= CFI_DEVICETYPE_X8
,
971 .uaddr
= MTD_UADDR_UNNECESSARY
,
972 .dev_size
= SIZE_2MiB
,
973 .cmd_set
= P_ID_INTEL_EXT
,
976 ERASEINFO(0x10000,32),
979 .mfr_id
= CFI_MFR_INTEL
,
981 .name
= "Intel 28F008SA",
982 .devtypes
= CFI_DEVICETYPE_X8
,
983 .uaddr
= MTD_UADDR_UNNECESSARY
,
984 .dev_size
= SIZE_1MiB
,
985 .cmd_set
= P_ID_INTEL_STD
,
988 ERASEINFO(0x10000, 16),
991 .mfr_id
= CFI_MFR_INTEL
,
992 .dev_id
= I28F800B3B
,
993 .name
= "Intel 28F800B3B",
994 .devtypes
= CFI_DEVICETYPE_X16
,
995 .uaddr
= MTD_UADDR_UNNECESSARY
,
996 .dev_size
= SIZE_1MiB
,
997 .cmd_set
= P_ID_INTEL_STD
,
1000 ERASEINFO(0x02000, 8),
1001 ERASEINFO(0x10000, 15),
1004 .mfr_id
= CFI_MFR_INTEL
,
1005 .dev_id
= I28F800B3T
,
1006 .name
= "Intel 28F800B3T",
1007 .devtypes
= CFI_DEVICETYPE_X16
,
1008 .uaddr
= MTD_UADDR_UNNECESSARY
,
1009 .dev_size
= SIZE_1MiB
,
1010 .cmd_set
= P_ID_INTEL_STD
,
1013 ERASEINFO(0x10000, 15),
1014 ERASEINFO(0x02000, 8),
1017 .mfr_id
= CFI_MFR_INTEL
,
1018 .dev_id
= I28F016B3B
,
1019 .name
= "Intel 28F016B3B",
1020 .devtypes
= CFI_DEVICETYPE_X8
,
1021 .uaddr
= MTD_UADDR_UNNECESSARY
,
1022 .dev_size
= SIZE_2MiB
,
1023 .cmd_set
= P_ID_INTEL_STD
,
1026 ERASEINFO(0x02000, 8),
1027 ERASEINFO(0x10000, 31),
1030 .mfr_id
= CFI_MFR_INTEL
,
1031 .dev_id
= I28F016S3
,
1032 .name
= "Intel I28F016S3",
1033 .devtypes
= CFI_DEVICETYPE_X8
,
1034 .uaddr
= MTD_UADDR_UNNECESSARY
,
1035 .dev_size
= SIZE_2MiB
,
1036 .cmd_set
= P_ID_INTEL_STD
,
1039 ERASEINFO(0x10000, 32),
1042 .mfr_id
= CFI_MFR_INTEL
,
1043 .dev_id
= I28F016B3T
,
1044 .name
= "Intel 28F016B3T",
1045 .devtypes
= CFI_DEVICETYPE_X8
,
1046 .uaddr
= MTD_UADDR_UNNECESSARY
,
1047 .dev_size
= SIZE_2MiB
,
1048 .cmd_set
= P_ID_INTEL_STD
,
1051 ERASEINFO(0x10000, 31),
1052 ERASEINFO(0x02000, 8),
1055 .mfr_id
= CFI_MFR_INTEL
,
1056 .dev_id
= I28F160B3B
,
1057 .name
= "Intel 28F160B3B",
1058 .devtypes
= CFI_DEVICETYPE_X16
,
1059 .uaddr
= MTD_UADDR_UNNECESSARY
,
1060 .dev_size
= SIZE_2MiB
,
1061 .cmd_set
= P_ID_INTEL_STD
,
1064 ERASEINFO(0x02000, 8),
1065 ERASEINFO(0x10000, 31),
1068 .mfr_id
= CFI_MFR_INTEL
,
1069 .dev_id
= I28F160B3T
,
1070 .name
= "Intel 28F160B3T",
1071 .devtypes
= CFI_DEVICETYPE_X16
,
1072 .uaddr
= MTD_UADDR_UNNECESSARY
,
1073 .dev_size
= SIZE_2MiB
,
1074 .cmd_set
= P_ID_INTEL_STD
,
1077 ERASEINFO(0x10000, 31),
1078 ERASEINFO(0x02000, 8),
1081 .mfr_id
= CFI_MFR_INTEL
,
1082 .dev_id
= I28F320B3B
,
1083 .name
= "Intel 28F320B3B",
1084 .devtypes
= CFI_DEVICETYPE_X16
,
1085 .uaddr
= MTD_UADDR_UNNECESSARY
,
1086 .dev_size
= SIZE_4MiB
,
1087 .cmd_set
= P_ID_INTEL_STD
,
1090 ERASEINFO(0x02000, 8),
1091 ERASEINFO(0x10000, 63),
1094 .mfr_id
= CFI_MFR_INTEL
,
1095 .dev_id
= I28F320B3T
,
1096 .name
= "Intel 28F320B3T",
1097 .devtypes
= CFI_DEVICETYPE_X16
,
1098 .uaddr
= MTD_UADDR_UNNECESSARY
,
1099 .dev_size
= SIZE_4MiB
,
1100 .cmd_set
= P_ID_INTEL_STD
,
1103 ERASEINFO(0x10000, 63),
1104 ERASEINFO(0x02000, 8),
1107 .mfr_id
= CFI_MFR_INTEL
,
1108 .dev_id
= I28F640B3B
,
1109 .name
= "Intel 28F640B3B",
1110 .devtypes
= CFI_DEVICETYPE_X16
,
1111 .uaddr
= MTD_UADDR_UNNECESSARY
,
1112 .dev_size
= SIZE_8MiB
,
1113 .cmd_set
= P_ID_INTEL_STD
,
1116 ERASEINFO(0x02000, 8),
1117 ERASEINFO(0x10000, 127),
1120 .mfr_id
= CFI_MFR_INTEL
,
1121 .dev_id
= I28F640B3T
,
1122 .name
= "Intel 28F640B3T",
1123 .devtypes
= CFI_DEVICETYPE_X16
,
1124 .uaddr
= MTD_UADDR_UNNECESSARY
,
1125 .dev_size
= SIZE_8MiB
,
1126 .cmd_set
= P_ID_INTEL_STD
,
1129 ERASEINFO(0x10000, 127),
1130 ERASEINFO(0x02000, 8),
1133 .mfr_id
= CFI_MFR_INTEL
,
1134 .dev_id
= I28F640C3B
,
1135 .name
= "Intel 28F640C3B",
1136 .devtypes
= CFI_DEVICETYPE_X16
,
1137 .uaddr
= MTD_UADDR_UNNECESSARY
,
1138 .dev_size
= SIZE_8MiB
,
1139 .cmd_set
= P_ID_INTEL_STD
,
1142 ERASEINFO(0x02000, 8),
1143 ERASEINFO(0x10000, 127),
1146 .mfr_id
= CFI_MFR_INTEL
,
1148 .name
= "Intel 82802AB",
1149 .devtypes
= CFI_DEVICETYPE_X8
,
1150 .uaddr
= MTD_UADDR_UNNECESSARY
,
1151 .dev_size
= SIZE_512KiB
,
1152 .cmd_set
= P_ID_INTEL_EXT
,
1155 ERASEINFO(0x10000,8),
1158 .mfr_id
= CFI_MFR_INTEL
,
1160 .name
= "Intel 82802AC",
1161 .devtypes
= CFI_DEVICETYPE_X8
,
1162 .uaddr
= MTD_UADDR_UNNECESSARY
,
1163 .dev_size
= SIZE_1MiB
,
1164 .cmd_set
= P_ID_INTEL_EXT
,
1167 ERASEINFO(0x10000,16),
1170 .mfr_id
= CFI_MFR_MACRONIX
,
1171 .dev_id
= MX29LV040C
,
1172 .name
= "Macronix MX29LV040C",
1173 .devtypes
= CFI_DEVICETYPE_X8
,
1174 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1175 .dev_size
= SIZE_512KiB
,
1176 .cmd_set
= P_ID_AMD_STD
,
1179 ERASEINFO(0x10000,8),
1182 .mfr_id
= CFI_MFR_MACRONIX
,
1183 .dev_id
= MX29LV160T
,
1184 .name
= "MXIC MX29LV160T",
1185 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1186 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1187 .dev_size
= SIZE_2MiB
,
1188 .cmd_set
= P_ID_AMD_STD
,
1191 ERASEINFO(0x10000,31),
1192 ERASEINFO(0x08000,1),
1193 ERASEINFO(0x02000,2),
1194 ERASEINFO(0x04000,1)
1197 .mfr_id
= CFI_MFR_NEC
,
1198 .dev_id
= UPD29F064115
,
1199 .name
= "NEC uPD29F064115",
1200 .devtypes
= CFI_DEVICETYPE_X16
,
1201 .uaddr
= MTD_UADDR_0xAAAA_0x5555
,
1202 .dev_size
= SIZE_8MiB
,
1203 .cmd_set
= P_ID_AMD_STD
,
1206 ERASEINFO(0x2000,8),
1207 ERASEINFO(0x10000,126),
1208 ERASEINFO(0x2000,8),
1211 .mfr_id
= CFI_MFR_MACRONIX
,
1212 .dev_id
= MX29LV160B
,
1213 .name
= "MXIC MX29LV160B",
1214 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1215 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1216 .dev_size
= SIZE_2MiB
,
1217 .cmd_set
= P_ID_AMD_STD
,
1220 ERASEINFO(0x04000,1),
1221 ERASEINFO(0x02000,2),
1222 ERASEINFO(0x08000,1),
1223 ERASEINFO(0x10000,31)
1226 .mfr_id
= CFI_MFR_MACRONIX
,
1228 .name
= "Macronix MX29F040",
1229 .devtypes
= CFI_DEVICETYPE_X8
,
1230 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1231 .dev_size
= SIZE_512KiB
,
1232 .cmd_set
= P_ID_AMD_STD
,
1235 ERASEINFO(0x10000,8),
1238 .mfr_id
= CFI_MFR_MACRONIX
,
1240 .name
= "Macronix MX29F016",
1241 .devtypes
= CFI_DEVICETYPE_X8
,
1242 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1243 .dev_size
= SIZE_2MiB
,
1244 .cmd_set
= P_ID_AMD_STD
,
1247 ERASEINFO(0x10000,32),
1250 .mfr_id
= CFI_MFR_MACRONIX
,
1251 .dev_id
= MX29F004T
,
1252 .name
= "Macronix MX29F004T",
1253 .devtypes
= CFI_DEVICETYPE_X8
,
1254 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1255 .dev_size
= SIZE_512KiB
,
1256 .cmd_set
= P_ID_AMD_STD
,
1259 ERASEINFO(0x10000,7),
1260 ERASEINFO(0x08000,1),
1261 ERASEINFO(0x02000,2),
1262 ERASEINFO(0x04000,1),
1265 .mfr_id
= CFI_MFR_MACRONIX
,
1266 .dev_id
= MX29F004B
,
1267 .name
= "Macronix MX29F004B",
1268 .devtypes
= CFI_DEVICETYPE_X8
,
1269 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1270 .dev_size
= SIZE_512KiB
,
1271 .cmd_set
= P_ID_AMD_STD
,
1274 ERASEINFO(0x04000,1),
1275 ERASEINFO(0x02000,2),
1276 ERASEINFO(0x08000,1),
1277 ERASEINFO(0x10000,7),
1280 .mfr_id
= CFI_MFR_MACRONIX
,
1281 .dev_id
= MX29F002T
,
1282 .name
= "Macronix MX29F002T",
1283 .devtypes
= CFI_DEVICETYPE_X8
,
1284 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1285 .dev_size
= SIZE_256KiB
,
1286 .cmd_set
= P_ID_AMD_STD
,
1289 ERASEINFO(0x10000,3),
1290 ERASEINFO(0x08000,1),
1291 ERASEINFO(0x02000,2),
1292 ERASEINFO(0x04000,1),
1295 .mfr_id
= CFI_MFR_PMC
,
1296 .dev_id
= PM49FL002
,
1297 .name
= "PMC Pm49FL002",
1298 .devtypes
= CFI_DEVICETYPE_X8
,
1299 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1300 .dev_size
= SIZE_256KiB
,
1301 .cmd_set
= P_ID_AMD_STD
,
1304 ERASEINFO( 0x01000, 64 )
1307 .mfr_id
= CFI_MFR_PMC
,
1308 .dev_id
= PM49FL004
,
1309 .name
= "PMC Pm49FL004",
1310 .devtypes
= CFI_DEVICETYPE_X8
,
1311 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1312 .dev_size
= SIZE_512KiB
,
1313 .cmd_set
= P_ID_AMD_STD
,
1316 ERASEINFO( 0x01000, 128 )
1319 .mfr_id
= CFI_MFR_PMC
,
1320 .dev_id
= PM49FL008
,
1321 .name
= "PMC Pm49FL008",
1322 .devtypes
= CFI_DEVICETYPE_X8
,
1323 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1324 .dev_size
= SIZE_1MiB
,
1325 .cmd_set
= P_ID_AMD_STD
,
1328 ERASEINFO( 0x01000, 256 )
1331 .mfr_id
= CFI_MFR_SHARP
,
1332 .dev_id
= LH28F640BF
,
1333 .name
= "LH28F640BF",
1334 .devtypes
= CFI_DEVICETYPE_X16
,
1335 .uaddr
= MTD_UADDR_UNNECESSARY
,
1336 .dev_size
= SIZE_8MiB
,
1337 .cmd_set
= P_ID_INTEL_EXT
,
1340 ERASEINFO(0x10000, 127),
1341 ERASEINFO(0x02000, 8),
1344 .mfr_id
= CFI_MFR_SST
,
1345 .dev_id
= SST39LF512
,
1346 .name
= "SST 39LF512",
1347 .devtypes
= CFI_DEVICETYPE_X8
,
1348 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1349 .dev_size
= SIZE_64KiB
,
1350 .cmd_set
= P_ID_AMD_STD
,
1353 ERASEINFO(0x01000,16),
1356 .mfr_id
= CFI_MFR_SST
,
1357 .dev_id
= SST39LF010
,
1358 .name
= "SST 39LF010",
1359 .devtypes
= CFI_DEVICETYPE_X8
,
1360 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1361 .dev_size
= SIZE_128KiB
,
1362 .cmd_set
= P_ID_AMD_STD
,
1365 ERASEINFO(0x01000,32),
1368 .mfr_id
= CFI_MFR_SST
,
1369 .dev_id
= SST29EE020
,
1370 .name
= "SST 29EE020",
1371 .devtypes
= CFI_DEVICETYPE_X8
,
1372 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1373 .dev_size
= SIZE_256KiB
,
1374 .cmd_set
= P_ID_SST_PAGE
,
1376 .regions
= {ERASEINFO(0x01000,64),
1379 .mfr_id
= CFI_MFR_SST
,
1380 .dev_id
= SST29LE020
,
1381 .name
= "SST 29LE020",
1382 .devtypes
= CFI_DEVICETYPE_X8
,
1383 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1384 .dev_size
= SIZE_256KiB
,
1385 .cmd_set
= P_ID_SST_PAGE
,
1387 .regions
= {ERASEINFO(0x01000,64),
1390 .mfr_id
= CFI_MFR_SST
,
1391 .dev_id
= SST39LF020
,
1392 .name
= "SST 39LF020",
1393 .devtypes
= CFI_DEVICETYPE_X8
,
1394 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1395 .dev_size
= SIZE_256KiB
,
1396 .cmd_set
= P_ID_AMD_STD
,
1399 ERASEINFO(0x01000,64),
1402 .mfr_id
= CFI_MFR_SST
,
1403 .dev_id
= SST39LF040
,
1404 .name
= "SST 39LF040",
1405 .devtypes
= CFI_DEVICETYPE_X8
,
1406 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1407 .dev_size
= SIZE_512KiB
,
1408 .cmd_set
= P_ID_AMD_STD
,
1411 ERASEINFO(0x01000,128),
1414 .mfr_id
= CFI_MFR_SST
,
1415 .dev_id
= SST39SF010A
,
1416 .name
= "SST 39SF010A",
1417 .devtypes
= CFI_DEVICETYPE_X8
,
1418 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1419 .dev_size
= SIZE_128KiB
,
1420 .cmd_set
= P_ID_AMD_STD
,
1423 ERASEINFO(0x01000,32),
1426 .mfr_id
= CFI_MFR_SST
,
1427 .dev_id
= SST39SF020A
,
1428 .name
= "SST 39SF020A",
1429 .devtypes
= CFI_DEVICETYPE_X8
,
1430 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1431 .dev_size
= SIZE_256KiB
,
1432 .cmd_set
= P_ID_AMD_STD
,
1435 ERASEINFO(0x01000,64),
1438 .mfr_id
= CFI_MFR_SST
,
1439 .dev_id
= SST39SF040
,
1440 .name
= "SST 39SF040",
1441 .devtypes
= CFI_DEVICETYPE_X8
,
1442 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1443 .dev_size
= SIZE_512KiB
,
1444 .cmd_set
= P_ID_AMD_STD
,
1447 ERASEINFO(0x01000,128),
1450 .mfr_id
= CFI_MFR_SST
,
1451 .dev_id
= SST49LF040B
,
1452 .name
= "SST 49LF040B",
1453 .devtypes
= CFI_DEVICETYPE_X8
,
1454 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1455 .dev_size
= SIZE_512KiB
,
1456 .cmd_set
= P_ID_AMD_STD
,
1459 ERASEINFO(0x01000,128),
1463 .mfr_id
= CFI_MFR_SST
,
1464 .dev_id
= SST49LF004B
,
1465 .name
= "SST 49LF004B",
1466 .devtypes
= CFI_DEVICETYPE_X8
,
1467 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1468 .dev_size
= SIZE_512KiB
,
1469 .cmd_set
= P_ID_AMD_STD
,
1472 ERASEINFO(0x01000,128),
1475 .mfr_id
= CFI_MFR_SST
,
1476 .dev_id
= SST49LF008A
,
1477 .name
= "SST 49LF008A",
1478 .devtypes
= CFI_DEVICETYPE_X8
,
1479 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1480 .dev_size
= SIZE_1MiB
,
1481 .cmd_set
= P_ID_AMD_STD
,
1484 ERASEINFO(0x01000,256),
1487 .mfr_id
= CFI_MFR_SST
,
1488 .dev_id
= SST49LF030A
,
1489 .name
= "SST 49LF030A",
1490 .devtypes
= CFI_DEVICETYPE_X8
,
1491 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1492 .dev_size
= SIZE_512KiB
,
1493 .cmd_set
= P_ID_AMD_STD
,
1496 ERASEINFO(0x01000,96),
1499 .mfr_id
= CFI_MFR_SST
,
1500 .dev_id
= SST49LF040A
,
1501 .name
= "SST 49LF040A",
1502 .devtypes
= CFI_DEVICETYPE_X8
,
1503 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1504 .dev_size
= SIZE_512KiB
,
1505 .cmd_set
= P_ID_AMD_STD
,
1508 ERASEINFO(0x01000,128),
1511 .mfr_id
= CFI_MFR_SST
,
1512 .dev_id
= SST49LF080A
,
1513 .name
= "SST 49LF080A",
1514 .devtypes
= CFI_DEVICETYPE_X8
,
1515 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1516 .dev_size
= SIZE_1MiB
,
1517 .cmd_set
= P_ID_AMD_STD
,
1520 ERASEINFO(0x01000,256),
1523 .mfr_id
= CFI_MFR_SST
, /* should be CFI */
1524 .dev_id
= SST39LF160
,
1525 .name
= "SST 39LF160",
1526 .devtypes
= CFI_DEVICETYPE_X16
,
1527 .uaddr
= MTD_UADDR_0xAAAA_0x5555
,
1528 .dev_size
= SIZE_2MiB
,
1529 .cmd_set
= P_ID_AMD_STD
,
1532 ERASEINFO(0x1000,256),
1533 ERASEINFO(0x1000,256)
1536 .mfr_id
= CFI_MFR_SST
, /* should be CFI */
1537 .dev_id
= SST39VF1601
,
1538 .name
= "SST 39VF1601",
1539 .devtypes
= CFI_DEVICETYPE_X16
,
1540 .uaddr
= MTD_UADDR_0xAAAA_0x5555
,
1541 .dev_size
= SIZE_2MiB
,
1542 .cmd_set
= P_ID_AMD_STD
,
1545 ERASEINFO(0x1000,256),
1546 ERASEINFO(0x1000,256)
1549 /* CFI is broken: reports AMD_STD, but needs custom uaddr */
1550 .mfr_id
= CFI_MFR_SST
,
1551 .dev_id
= SST39WF1601
,
1552 .name
= "SST 39WF1601",
1553 .devtypes
= CFI_DEVICETYPE_X16
,
1554 .uaddr
= MTD_UADDR_0xAAAA_0x5555
,
1555 .dev_size
= SIZE_2MiB
,
1556 .cmd_set
= P_ID_AMD_STD
,
1559 ERASEINFO(0x1000,256),
1560 ERASEINFO(0x1000,256)
1563 /* CFI is broken: reports AMD_STD, but needs custom uaddr */
1564 .mfr_id
= CFI_MFR_SST
,
1565 .dev_id
= SST39WF1602
,
1566 .name
= "SST 39WF1602",
1567 .devtypes
= CFI_DEVICETYPE_X16
,
1568 .uaddr
= MTD_UADDR_0xAAAA_0x5555
,
1569 .dev_size
= SIZE_2MiB
,
1570 .cmd_set
= P_ID_AMD_STD
,
1573 ERASEINFO(0x1000,256),
1574 ERASEINFO(0x1000,256)
1577 .mfr_id
= CFI_MFR_SST
, /* should be CFI */
1578 .dev_id
= SST39VF3201
,
1579 .name
= "SST 39VF3201",
1580 .devtypes
= CFI_DEVICETYPE_X16
,
1581 .uaddr
= MTD_UADDR_0xAAAA_0x5555
,
1582 .dev_size
= SIZE_4MiB
,
1583 .cmd_set
= P_ID_AMD_STD
,
1586 ERASEINFO(0x1000,256),
1587 ERASEINFO(0x1000,256),
1588 ERASEINFO(0x1000,256),
1589 ERASEINFO(0x1000,256)
1592 .mfr_id
= CFI_MFR_SST
,
1593 .dev_id
= SST36VF3203
,
1594 .name
= "SST 36VF3203",
1595 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1596 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1597 .dev_size
= SIZE_4MiB
,
1598 .cmd_set
= P_ID_AMD_STD
,
1601 ERASEINFO(0x10000,64),
1604 .mfr_id
= CFI_MFR_ST
,
1605 .dev_id
= M29F800AB
,
1606 .name
= "ST M29F800AB",
1607 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1608 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1609 .dev_size
= SIZE_1MiB
,
1610 .cmd_set
= P_ID_AMD_STD
,
1613 ERASEINFO(0x04000,1),
1614 ERASEINFO(0x02000,2),
1615 ERASEINFO(0x08000,1),
1616 ERASEINFO(0x10000,15),
1619 .mfr_id
= CFI_MFR_ST
, /* FIXME - CFI device? */
1620 .dev_id
= M29W800DT
,
1621 .name
= "ST M29W800DT",
1622 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1623 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1624 .dev_size
= SIZE_1MiB
,
1625 .cmd_set
= P_ID_AMD_STD
,
1628 ERASEINFO(0x10000,15),
1629 ERASEINFO(0x08000,1),
1630 ERASEINFO(0x02000,2),
1631 ERASEINFO(0x04000,1)
1634 .mfr_id
= CFI_MFR_ST
, /* FIXME - CFI device? */
1635 .dev_id
= M29W800DB
,
1636 .name
= "ST M29W800DB",
1637 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1638 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1639 .dev_size
= SIZE_1MiB
,
1640 .cmd_set
= P_ID_AMD_STD
,
1643 ERASEINFO(0x04000,1),
1644 ERASEINFO(0x02000,2),
1645 ERASEINFO(0x08000,1),
1646 ERASEINFO(0x10000,15)
1649 .mfr_id
= CFI_MFR_ST
,
1650 .dev_id
= M29W400DT
,
1651 .name
= "ST M29W400DT",
1652 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1653 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1654 .dev_size
= SIZE_512KiB
,
1655 .cmd_set
= P_ID_AMD_STD
,
1658 ERASEINFO(0x04000,7),
1659 ERASEINFO(0x02000,1),
1660 ERASEINFO(0x08000,2),
1661 ERASEINFO(0x10000,1)
1664 .mfr_id
= CFI_MFR_ST
,
1665 .dev_id
= M29W400DB
,
1666 .name
= "ST M29W400DB",
1667 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1668 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1669 .dev_size
= SIZE_512KiB
,
1670 .cmd_set
= P_ID_AMD_STD
,
1673 ERASEINFO(0x04000,1),
1674 ERASEINFO(0x02000,2),
1675 ERASEINFO(0x08000,1),
1676 ERASEINFO(0x10000,7)
1679 .mfr_id
= CFI_MFR_ST
, /* FIXME - CFI device? */
1680 .dev_id
= M29W160DT
,
1681 .name
= "ST M29W160DT",
1682 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1683 .uaddr
= MTD_UADDR_0x0555_0x02AA
, /* ???? */
1684 .dev_size
= SIZE_2MiB
,
1685 .cmd_set
= P_ID_AMD_STD
,
1688 ERASEINFO(0x10000,31),
1689 ERASEINFO(0x08000,1),
1690 ERASEINFO(0x02000,2),
1691 ERASEINFO(0x04000,1)
1694 .mfr_id
= CFI_MFR_ST
, /* FIXME - CFI device? */
1695 .dev_id
= M29W160DB
,
1696 .name
= "ST M29W160DB",
1697 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1698 .uaddr
= MTD_UADDR_0x0555_0x02AA
, /* ???? */
1699 .dev_size
= SIZE_2MiB
,
1700 .cmd_set
= P_ID_AMD_STD
,
1703 ERASEINFO(0x04000,1),
1704 ERASEINFO(0x02000,2),
1705 ERASEINFO(0x08000,1),
1706 ERASEINFO(0x10000,31)
1709 .mfr_id
= CFI_MFR_ST
,
1711 .name
= "ST M29W040B",
1712 .devtypes
= CFI_DEVICETYPE_X8
,
1713 .uaddr
= MTD_UADDR_0x0555_0x02AA
,
1714 .dev_size
= SIZE_512KiB
,
1715 .cmd_set
= P_ID_AMD_STD
,
1718 ERASEINFO(0x10000,8),
1721 .mfr_id
= CFI_MFR_ST
,
1723 .name
= "ST M50FW040",
1724 .devtypes
= CFI_DEVICETYPE_X8
,
1725 .uaddr
= MTD_UADDR_UNNECESSARY
,
1726 .dev_size
= SIZE_512KiB
,
1727 .cmd_set
= P_ID_INTEL_EXT
,
1730 ERASEINFO(0x10000,8),
1733 .mfr_id
= CFI_MFR_ST
,
1735 .name
= "ST M50FW080",
1736 .devtypes
= CFI_DEVICETYPE_X8
,
1737 .uaddr
= MTD_UADDR_UNNECESSARY
,
1738 .dev_size
= SIZE_1MiB
,
1739 .cmd_set
= P_ID_INTEL_EXT
,
1742 ERASEINFO(0x10000,16),
1745 .mfr_id
= CFI_MFR_ST
,
1747 .name
= "ST M50FW016",
1748 .devtypes
= CFI_DEVICETYPE_X8
,
1749 .uaddr
= MTD_UADDR_UNNECESSARY
,
1750 .dev_size
= SIZE_2MiB
,
1751 .cmd_set
= P_ID_INTEL_EXT
,
1754 ERASEINFO(0x10000,32),
1757 .mfr_id
= CFI_MFR_ST
,
1758 .dev_id
= M50LPW080
,
1759 .name
= "ST M50LPW080",
1760 .devtypes
= CFI_DEVICETYPE_X8
,
1761 .uaddr
= MTD_UADDR_UNNECESSARY
,
1762 .dev_size
= SIZE_1MiB
,
1763 .cmd_set
= P_ID_INTEL_EXT
,
1766 ERASEINFO(0x10000,16),
1769 .mfr_id
= CFI_MFR_ST
,
1770 .dev_id
= M50FLW080A
,
1771 .name
= "ST M50FLW080A",
1772 .devtypes
= CFI_DEVICETYPE_X8
,
1773 .uaddr
= MTD_UADDR_UNNECESSARY
,
1774 .dev_size
= SIZE_1MiB
,
1775 .cmd_set
= P_ID_INTEL_EXT
,
1778 ERASEINFO(0x1000,16),
1779 ERASEINFO(0x10000,13),
1780 ERASEINFO(0x1000,16),
1781 ERASEINFO(0x1000,16),
1784 .mfr_id
= CFI_MFR_ST
,
1785 .dev_id
= M50FLW080B
,
1786 .name
= "ST M50FLW080B",
1787 .devtypes
= CFI_DEVICETYPE_X8
,
1788 .uaddr
= MTD_UADDR_UNNECESSARY
,
1789 .dev_size
= SIZE_1MiB
,
1790 .cmd_set
= P_ID_INTEL_EXT
,
1793 ERASEINFO(0x1000,16),
1794 ERASEINFO(0x1000,16),
1795 ERASEINFO(0x10000,13),
1796 ERASEINFO(0x1000,16),
1799 .mfr_id
= 0xff00 | CFI_MFR_ST
,
1800 .dev_id
= 0xff00 | PSD4256G6V
,
1801 .name
= "ST PSD4256G6V",
1802 .devtypes
= CFI_DEVICETYPE_X16
,
1803 .uaddr
= MTD_UADDR_0x0AAA_0x0554
,
1804 .dev_size
= SIZE_1MiB
,
1805 .cmd_set
= P_ID_AMD_STD
,
1808 ERASEINFO(0x10000,16),
1811 .mfr_id
= CFI_MFR_TOSHIBA
,
1812 .dev_id
= TC58FVT160
,
1813 .name
= "Toshiba TC58FVT160",
1814 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1815 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1816 .dev_size
= SIZE_2MiB
,
1817 .cmd_set
= P_ID_AMD_STD
,
1820 ERASEINFO(0x10000,31),
1821 ERASEINFO(0x08000,1),
1822 ERASEINFO(0x02000,2),
1823 ERASEINFO(0x04000,1)
1826 .mfr_id
= CFI_MFR_TOSHIBA
,
1827 .dev_id
= TC58FVB160
,
1828 .name
= "Toshiba TC58FVB160",
1829 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1830 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1831 .dev_size
= SIZE_2MiB
,
1832 .cmd_set
= P_ID_AMD_STD
,
1835 ERASEINFO(0x04000,1),
1836 ERASEINFO(0x02000,2),
1837 ERASEINFO(0x08000,1),
1838 ERASEINFO(0x10000,31)
1841 .mfr_id
= CFI_MFR_TOSHIBA
,
1842 .dev_id
= TC58FVB321
,
1843 .name
= "Toshiba TC58FVB321",
1844 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1845 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1846 .dev_size
= SIZE_4MiB
,
1847 .cmd_set
= P_ID_AMD_STD
,
1850 ERASEINFO(0x02000,8),
1851 ERASEINFO(0x10000,63)
1854 .mfr_id
= CFI_MFR_TOSHIBA
,
1855 .dev_id
= TC58FVT321
,
1856 .name
= "Toshiba TC58FVT321",
1857 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1858 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1859 .dev_size
= SIZE_4MiB
,
1860 .cmd_set
= P_ID_AMD_STD
,
1863 ERASEINFO(0x10000,63),
1864 ERASEINFO(0x02000,8)
1867 .mfr_id
= CFI_MFR_TOSHIBA
,
1868 .dev_id
= TC58FVB641
,
1869 .name
= "Toshiba TC58FVB641",
1870 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1871 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1872 .dev_size
= SIZE_8MiB
,
1873 .cmd_set
= P_ID_AMD_STD
,
1876 ERASEINFO(0x02000,8),
1877 ERASEINFO(0x10000,127)
1880 .mfr_id
= CFI_MFR_TOSHIBA
,
1881 .dev_id
= TC58FVT641
,
1882 .name
= "Toshiba TC58FVT641",
1883 .devtypes
= CFI_DEVICETYPE_X16
|CFI_DEVICETYPE_X8
,
1884 .uaddr
= MTD_UADDR_0x0AAA_0x0555
,
1885 .dev_size
= SIZE_8MiB
,
1886 .cmd_set
= P_ID_AMD_STD
,
1889 ERASEINFO(0x10000,127),
1890 ERASEINFO(0x02000,8)
1893 .mfr_id
= CFI_MFR_WINBOND
,
1895 .name
= "Winbond W49V002A",
1896 .devtypes
= CFI_DEVICETYPE_X8
,
1897 .uaddr
= MTD_UADDR_0x5555_0x2AAA
,
1898 .dev_size
= SIZE_256KiB
,
1899 .cmd_set
= P_ID_AMD_STD
,
1902 ERASEINFO(0x10000, 3),
1903 ERASEINFO(0x08000, 1),
1904 ERASEINFO(0x02000, 2),
1905 ERASEINFO(0x04000, 1),
1910 static inline u32
jedec_read_mfr(struct map_info
*map
, uint32_t base
,
1911 struct cfi_private
*cfi
)
1917 /* According to JEDEC "Standard Manufacturer's Identification Code"
1918 * (http://www.jedec.org/download/search/jep106W.pdf)
1919 * several first banks can contain 0x7f instead of actual ID
1922 uint32_t ofs
= cfi_build_cmd_addr(0 + (bank
<< 8), map
, cfi
);
1923 mask
= (1 << (cfi
->device_type
* 8)) - 1;
1924 if (ofs
>= map
->size
)
1926 result
= map_read(map
, base
+ ofs
);
1928 } while ((result
.x
[0] & mask
) == CFI_MFR_CONTINUATION
);
1930 return result
.x
[0] & mask
;
1933 static inline u32
jedec_read_id(struct map_info
*map
, uint32_t base
,
1934 struct cfi_private
*cfi
)
1938 u32 ofs
= cfi_build_cmd_addr(1, map
, cfi
);
1939 mask
= (1 << (cfi
->device_type
* 8)) -1;
1940 result
= map_read(map
, base
+ ofs
);
1941 return result
.x
[0] & mask
;
1944 static void jedec_reset(u32 base
, struct map_info
*map
, struct cfi_private
*cfi
)
1948 /* after checking the datasheets for SST, MACRONIX and ATMEL
1949 * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1950 * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1951 * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1952 * as they will ignore the writes and don't care what address
1953 * the F0 is written to */
1954 if (cfi
->addr_unlock1
) {
1955 pr_debug( "reset unlock called %x %x \n",
1956 cfi
->addr_unlock1
,cfi
->addr_unlock2
);
1957 cfi_send_gen_cmd(0xaa, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
1958 cfi_send_gen_cmd(0x55, cfi
->addr_unlock2
, base
, map
, cfi
, cfi
->device_type
, NULL
);
1961 cfi_send_gen_cmd(0xF0, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
1962 /* Some misdesigned Intel chips do not respond for 0xF0 for a reset,
1963 * so ensure we're in read mode. Send both the Intel and the AMD command
1964 * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so
1965 * this should be safe.
1967 cfi_send_gen_cmd(0xFF, 0, base
, map
, cfi
, cfi
->device_type
, NULL
);
1968 /* FIXME - should have reset delay before continuing */
1972 static int cfi_jedec_setup(struct map_info
*map
, struct cfi_private
*cfi
, int index
)
1974 int i
,num_erase_regions
;
1977 if (!(jedec_table
[index
].devtypes
& cfi
->device_type
)) {
1978 pr_debug("Rejecting potential %s with incompatible %d-bit device type\n",
1979 jedec_table
[index
].name
, 4 * (1<<cfi
->device_type
));
1983 printk(KERN_INFO
"Found: %s\n",jedec_table
[index
].name
);
1985 num_erase_regions
= jedec_table
[index
].nr_regions
;
1987 cfi
->cfiq
= kmalloc(sizeof(struct cfi_ident
) + num_erase_regions
* 4, GFP_KERNEL
);
1989 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1993 memset(cfi
->cfiq
, 0, sizeof(struct cfi_ident
));
1995 cfi
->cfiq
->P_ID
= jedec_table
[index
].cmd_set
;
1996 cfi
->cfiq
->NumEraseRegions
= jedec_table
[index
].nr_regions
;
1997 cfi
->cfiq
->DevSize
= jedec_table
[index
].dev_size
;
1998 cfi
->cfi_mode
= CFI_MODE_JEDEC
;
1999 cfi
->sector_erase_cmd
= CMD(0x30);
2001 for (i
=0; i
<num_erase_regions
; i
++){
2002 cfi
->cfiq
->EraseRegionInfo
[i
] = jedec_table
[index
].regions
[i
];
2004 cfi
->cmdset_priv
= NULL
;
2006 /* This may be redundant for some cases, but it doesn't hurt */
2007 cfi
->mfr
= jedec_table
[index
].mfr_id
;
2008 cfi
->id
= jedec_table
[index
].dev_id
;
2010 uaddr
= jedec_table
[index
].uaddr
;
2012 /* The table has unlock addresses in _bytes_, and we try not to let
2013 our brains explode when we see the datasheets talking about address
2014 lines numbered from A-1 to A18. The CFI table has unlock addresses
2015 in device-words according to the mode the device is connected in */
2016 cfi
->addr_unlock1
= unlock_addrs
[uaddr
].addr1
/ cfi
->device_type
;
2017 cfi
->addr_unlock2
= unlock_addrs
[uaddr
].addr2
/ cfi
->device_type
;
2024 * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
2025 * the mapped address, unlock addresses, and proper chip ID. This function
2026 * attempts to minimize errors. It is doubtfull that this probe will ever
2027 * be perfect - consequently there should be some module parameters that
2028 * could be manually specified to force the chip info.
2030 static inline int jedec_match( uint32_t base
,
2031 struct map_info
*map
,
2032 struct cfi_private
*cfi
,
2033 const struct amd_flash_info
*finfo
)
2035 int rc
= 0; /* failure until all tests pass */
2040 * The IDs must match. For X16 and X32 devices operating in
2041 * a lower width ( X8 or X16 ), the device ID's are usually just
2042 * the lower byte(s) of the larger device ID for wider mode. If
2043 * a part is found that doesn't fit this assumption (device id for
2044 * smaller width mode is completely unrealated to full-width mode)
2045 * then the jedec_table[] will have to be augmented with the IDs
2046 * for different widths.
2048 switch (cfi
->device_type
) {
2049 case CFI_DEVICETYPE_X8
:
2050 mfr
= (uint8_t)finfo
->mfr_id
;
2051 id
= (uint8_t)finfo
->dev_id
;
2053 /* bjd: it seems that if we do this, we can end up
2054 * detecting 16bit flashes as an 8bit device, even though
2057 if (finfo
->dev_id
> 0xff) {
2058 pr_debug("%s(): ID is not 8bit\n",
2063 case CFI_DEVICETYPE_X16
:
2064 mfr
= (uint16_t)finfo
->mfr_id
;
2065 id
= (uint16_t)finfo
->dev_id
;
2067 case CFI_DEVICETYPE_X32
:
2068 mfr
= (uint16_t)finfo
->mfr_id
;
2069 id
= (uint32_t)finfo
->dev_id
;
2073 "MTD %s(): Unsupported device type %d\n",
2074 __func__
, cfi
->device_type
);
2077 if ( cfi
->mfr
!= mfr
|| cfi
->id
!= id
) {
2081 /* the part size must fit in the memory window */
2082 pr_debug("MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
2083 __func__
, base
, 1 << finfo
->dev_size
, base
+ (1 << finfo
->dev_size
) );
2084 if ( base
+ cfi_interleave(cfi
) * ( 1 << finfo
->dev_size
) > map
->size
) {
2085 pr_debug("MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
2086 __func__
, finfo
->mfr_id
, finfo
->dev_id
,
2087 1 << finfo
->dev_size
);
2091 if (! (finfo
->devtypes
& cfi
->device_type
))
2094 uaddr
= finfo
->uaddr
;
2096 pr_debug("MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
2097 __func__
, cfi
->addr_unlock1
, cfi
->addr_unlock2
);
2098 if ( MTD_UADDR_UNNECESSARY
!= uaddr
&& MTD_UADDR_DONT_CARE
!= uaddr
2099 && ( unlock_addrs
[uaddr
].addr1
/ cfi
->device_type
!= cfi
->addr_unlock1
||
2100 unlock_addrs
[uaddr
].addr2
/ cfi
->device_type
!= cfi
->addr_unlock2
) ) {
2101 pr_debug("MTD %s(): 0x%.4x 0x%.4x did not match\n",
2103 unlock_addrs
[uaddr
].addr1
,
2104 unlock_addrs
[uaddr
].addr2
);
2109 * Make sure the ID's disappear when the device is taken out of
2110 * ID mode. The only time this should fail when it should succeed
2111 * is when the ID's are written as data to the same
2112 * addresses. For this rare and unfortunate case the chip
2113 * cannot be probed correctly.
2114 * FIXME - write a driver that takes all of the chip info as
2115 * module parameters, doesn't probe but forces a load.
2117 pr_debug("MTD %s(): check ID's disappear when not in ID mode\n",
2119 jedec_reset( base
, map
, cfi
);
2120 mfr
= jedec_read_mfr( map
, base
, cfi
);
2121 id
= jedec_read_id( map
, base
, cfi
);
2122 if ( mfr
== cfi
->mfr
&& id
== cfi
->id
) {
2123 pr_debug("MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
2124 "You might need to manually specify JEDEC parameters.\n",
2125 __func__
, cfi
->mfr
, cfi
->id
);
2129 /* all tests passed - mark as success */
2133 * Put the device back in ID mode - only need to do this if we
2134 * were truly frobbing a real device.
2136 pr_debug("MTD %s(): return to ID mode\n", __func__
);
2137 if (cfi
->addr_unlock1
) {
2138 cfi_send_gen_cmd(0xaa, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2139 cfi_send_gen_cmd(0x55, cfi
->addr_unlock2
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2141 cfi_send_gen_cmd(0x90, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2142 /* FIXME - should have a delay before continuing */
2149 static int jedec_probe_chip(struct map_info
*map
, __u32 base
,
2150 unsigned long *chip_map
, struct cfi_private
*cfi
)
2153 enum uaddr uaddr_idx
= MTD_UADDR_NOT_SUPPORTED
;
2154 u32 probe_offset1
, probe_offset2
;
2157 if (!cfi
->numchips
) {
2160 if (MTD_UADDR_UNNECESSARY
== uaddr_idx
)
2163 cfi
->addr_unlock1
= unlock_addrs
[uaddr_idx
].addr1
/ cfi
->device_type
;
2164 cfi
->addr_unlock2
= unlock_addrs
[uaddr_idx
].addr2
/ cfi
->device_type
;
2167 /* Make certain we aren't probing past the end of map */
2168 if (base
>= map
->size
) {
2170 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2171 base
, map
->size
-1);
2175 /* Ensure the unlock addresses we try stay inside the map */
2176 probe_offset1
= cfi_build_cmd_addr(cfi
->addr_unlock1
, map
, cfi
);
2177 probe_offset2
= cfi_build_cmd_addr(cfi
->addr_unlock2
, map
, cfi
);
2178 if ( ((base
+ probe_offset1
+ map_bankwidth(map
)) >= map
->size
) ||
2179 ((base
+ probe_offset2
+ map_bankwidth(map
)) >= map
->size
))
2183 jedec_reset(base
, map
, cfi
);
2185 /* Autoselect Mode */
2186 if(cfi
->addr_unlock1
) {
2187 cfi_send_gen_cmd(0xaa, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2188 cfi_send_gen_cmd(0x55, cfi
->addr_unlock2
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2190 cfi_send_gen_cmd(0x90, cfi
->addr_unlock1
, base
, map
, cfi
, cfi
->device_type
, NULL
);
2191 /* FIXME - should have a delay before continuing */
2193 if (!cfi
->numchips
) {
2194 /* This is the first time we're called. Set up the CFI
2195 stuff accordingly and return */
2197 cfi
->mfr
= jedec_read_mfr(map
, base
, cfi
);
2198 cfi
->id
= jedec_read_id(map
, base
, cfi
);
2199 pr_debug("Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2200 cfi
->mfr
, cfi
->id
, cfi_interleave(cfi
), cfi
->device_type
);
2201 for (i
= 0; i
< ARRAY_SIZE(jedec_table
); i
++) {
2202 if ( jedec_match( base
, map
, cfi
, &jedec_table
[i
] ) ) {
2203 pr_debug("MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2204 __func__
, cfi
->mfr
, cfi
->id
,
2205 cfi
->addr_unlock1
, cfi
->addr_unlock2
);
2206 if (!cfi_jedec_setup(map
, cfi
, i
))
2216 /* Make sure it is a chip of the same manufacturer and id */
2217 mfr
= jedec_read_mfr(map
, base
, cfi
);
2218 id
= jedec_read_id(map
, base
, cfi
);
2220 if ((mfr
!= cfi
->mfr
) || (id
!= cfi
->id
)) {
2221 printk(KERN_DEBUG
"%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2222 map
->name
, mfr
, id
, base
);
2223 jedec_reset(base
, map
, cfi
);
2228 /* Check each previous chip locations to see if it's an alias */
2229 for (i
=0; i
< (base
>> cfi
->chipshift
); i
++) {
2230 unsigned long start
;
2231 if(!test_bit(i
, chip_map
)) {
2232 continue; /* Skip location; no valid chip at this address */
2234 start
= i
<< cfi
->chipshift
;
2235 if (jedec_read_mfr(map
, start
, cfi
) == cfi
->mfr
&&
2236 jedec_read_id(map
, start
, cfi
) == cfi
->id
) {
2237 /* Eep. This chip also looks like it's in autoselect mode.
2238 Is it an alias for the new one? */
2239 jedec_reset(start
, map
, cfi
);
2241 /* If the device IDs go away, it's an alias */
2242 if (jedec_read_mfr(map
, base
, cfi
) != cfi
->mfr
||
2243 jedec_read_id(map
, base
, cfi
) != cfi
->id
) {
2244 printk(KERN_DEBUG
"%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2245 map
->name
, base
, start
);
2249 /* Yes, it's actually got the device IDs as data. Most
2250 * unfortunate. Stick the new chip in read mode
2251 * too and if it's the same, assume it's an alias. */
2252 /* FIXME: Use other modes to do a proper check */
2253 jedec_reset(base
, map
, cfi
);
2254 if (jedec_read_mfr(map
, base
, cfi
) == cfi
->mfr
&&
2255 jedec_read_id(map
, base
, cfi
) == cfi
->id
) {
2256 printk(KERN_DEBUG
"%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2257 map
->name
, base
, start
);
2263 /* OK, if we got to here, then none of the previous chips appear to
2264 be aliases for the current one. */
2265 set_bit((base
>> cfi
->chipshift
), chip_map
); /* Update chip map */
2269 /* Put it back into Read Mode */
2270 jedec_reset(base
, map
, cfi
);
2272 printk(KERN_INFO
"%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2273 map
->name
, cfi_interleave(cfi
), cfi
->device_type
*8, base
,
2279 static struct chip_probe jedec_chip_probe
= {
2281 .probe_chip
= jedec_probe_chip
2284 static struct mtd_info
*jedec_probe(struct map_info
*map
)
2287 * Just use the generic probe stuff to call our CFI-specific
2288 * chip_probe routine in all the possible permutations, etc.
2290 return mtd_do_chip_probe(map
, &jedec_chip_probe
);
2293 static struct mtd_chip_driver jedec_chipdrv
= {
2294 .probe
= jedec_probe
,
2295 .name
= "jedec_probe",
2296 .module
= THIS_MODULE
2299 static int __init
jedec_probe_init(void)
2301 register_mtd_chip_driver(&jedec_chipdrv
);
2305 static void __exit
jedec_probe_exit(void)
2307 unregister_mtd_chip_driver(&jedec_chipdrv
);
2310 module_init(jedec_probe_init
);
2311 module_exit(jedec_probe_exit
);
2313 MODULE_LICENSE("GPL");
2314 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2315 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");