1/*
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.
6
7   Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
8*/
9
10#include <linux/module.h>
11#include <linux/init.h>
12#include <linux/types.h>
13#include <linux/kernel.h>
14#include <asm/io.h>
15#include <asm/byteorder.h>
16#include <linux/errno.h>
17#include <linux/slab.h>
18#include <linux/interrupt.h>
19
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>
24
25/* AMD */
26#define AM29DL800BB	0x22CB
27#define AM29DL800BT	0x224A
28
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
46
47/* Atmel */
48#define AT49BV512	0x0003
49#define AT29LV512	0x003d
50#define AT49BV16X	0x00C0
51#define AT49BV16XT	0x00C2
52#define AT49BV32X	0x00C8
53#define AT49BV32XT	0x00C9
54
55/* Eon */
56#define EN29LV400AT	0x22B9
57#define EN29LV400AB	0x22BA
58#define EN29SL800BB	0x226B
59#define EN29SL800BT	0x22EA
60
61/* Fujitsu */
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
73
74/* Hyundai */
75#define HY29F002T	0x00B0
76
77/* Intel */
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
105
106/* Macronix */
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
115
116/* NEC */
117#define UPD29F064115	0x221C
118
119/* PMC */
120#define PM49FL002	0x006D
121#define PM49FL004	0x006E
122#define PM49FL008	0x006A
123
124/* Sharp */
125#define LH28F640BF	0x00B0
126
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
143
144/* SST */
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
169
170/* Toshiba */
171#define TC58FVT160	0x00C2
172#define TC58FVB160	0x0043
173#define TC58FVT321	0x009A
174#define TC58FVB321	0x009C
175#define TC58FVT641	0x0093
176#define TC58FVB641	0x0095
177
178/* Winbond */
179#define W49V002A	0x00b0
180
181
182/*
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.
190 */
191enum uaddr {
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 */
201};
202
203
204struct unlock_addr {
205	uint32_t addr1;
206	uint32_t addr2;
207};
208
209
210/*
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
218 * must go unused.
219 */
220static const struct unlock_addr  unlock_addrs[] = {
221	[MTD_UADDR_NOT_SUPPORTED] = {
222		.addr1 = 0xffff,
223		.addr2 = 0xffff
224	},
225
226	[MTD_UADDR_0x0555_0x02AA] = {
227		.addr1 = 0x0555,
228		.addr2 = 0x02aa
229	},
230
231	[MTD_UADDR_0x0555_0x0AAA] = {
232		.addr1 = 0x0555,
233		.addr2 = 0x0aaa
234	},
235
236	[MTD_UADDR_0x5555_0x2AAA] = {
237		.addr1 = 0x5555,
238		.addr2 = 0x2aaa
239	},
240
241	[MTD_UADDR_0x0AAA_0x0554] = {
242		.addr1 = 0x0AAA,
243		.addr2 = 0x0554
244	},
245
246	[MTD_UADDR_0x0AAA_0x0555] = {
247		.addr1 = 0x0AAA,
248		.addr2 = 0x0555
249	},
250
251	[MTD_UADDR_0xAAAA_0x5555] = {
252		.addr1 = 0xaaaa,
253		.addr2 = 0x5555
254	},
255
256	[MTD_UADDR_DONT_CARE] = {
257		.addr1 = 0x0000,      /* Doesn't matter which address */
258		.addr2 = 0x0000       /* is used - must be last entry */
259	},
260
261	[MTD_UADDR_UNNECESSARY] = {
262		.addr1 = 0x0000,
263		.addr2 = 0x0000
264	}
265};
266
267struct amd_flash_info {
268	const char *name;
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 */
277};
278
279#define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
280
281#define SIZE_64KiB  16
282#define SIZE_128KiB 17
283#define SIZE_256KiB 18
284#define SIZE_512KiB 19
285#define SIZE_1MiB   20
286#define SIZE_2MiB   21
287#define SIZE_4MiB   22
288#define SIZE_8MiB   23
289
290
291/*
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.
295 */
296static const struct amd_flash_info jedec_table[] = {
297	{
298		.mfr_id		= CFI_MFR_AMD,
299		.dev_id		= AM29F032B,
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,
305		.nr_regions	= 1,
306		.regions	= {
307			ERASEINFO(0x10000,64)
308		}
309	}, {
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,
317		.nr_regions	= 4,
318		.regions	= {
319			ERASEINFO(0x10000,31),
320			ERASEINFO(0x08000,1),
321			ERASEINFO(0x02000,2),
322			ERASEINFO(0x04000,1)
323		}
324	}, {
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,
332		.nr_regions	= 4,
333		.regions	= {
334			ERASEINFO(0x04000,1),
335			ERASEINFO(0x02000,2),
336			ERASEINFO(0x08000,1),
337			ERASEINFO(0x10000,31)
338		}
339	}, {
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,
347		.nr_regions	= 4,
348		.regions	= {
349			ERASEINFO(0x04000,1),
350			ERASEINFO(0x02000,2),
351			ERASEINFO(0x08000,1),
352			ERASEINFO(0x10000,7)
353		}
354	}, {
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,
362		.nr_regions	= 4,
363		.regions	= {
364			ERASEINFO(0x10000,7),
365			ERASEINFO(0x08000,1),
366			ERASEINFO(0x02000,2),
367			ERASEINFO(0x04000,1)
368		}
369	}, {
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,
377		.nr_regions	= 4,
378		.regions	= {
379			ERASEINFO(0x04000,1),
380			ERASEINFO(0x02000,2),
381			ERASEINFO(0x08000,1),
382			ERASEINFO(0x10000,15),
383		}
384	}, {
385/* add DL */
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,
393		.nr_regions	= 6,
394		.regions	= {
395			ERASEINFO(0x04000,1),
396			ERASEINFO(0x08000,1),
397			ERASEINFO(0x02000,4),
398			ERASEINFO(0x08000,1),
399			ERASEINFO(0x04000,1),
400			ERASEINFO(0x10000,14)
401		}
402	}, {
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,
410		.nr_regions	= 6,
411		.regions	= {
412			ERASEINFO(0x10000,14),
413			ERASEINFO(0x04000,1),
414			ERASEINFO(0x08000,1),
415			ERASEINFO(0x02000,4),
416			ERASEINFO(0x08000,1),
417			ERASEINFO(0x04000,1)
418		}
419	}, {
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,
427		.nr_regions	= 4,
428		.regions	= {
429			ERASEINFO(0x04000,1),
430			ERASEINFO(0x02000,2),
431			ERASEINFO(0x08000,1),
432			ERASEINFO(0x10000,15),
433		}
434	}, {
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,
442		.nr_regions	= 4,
443		.regions	= {
444			ERASEINFO(0x10000,15),
445			ERASEINFO(0x08000,1),
446			ERASEINFO(0x02000,2),
447			ERASEINFO(0x04000,1)
448		}
449	}, {
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,
457		.nr_regions	= 4,
458		.regions	= {
459			ERASEINFO(0x10000,15),
460			ERASEINFO(0x08000,1),
461			ERASEINFO(0x02000,2),
462			ERASEINFO(0x04000,1)
463		}
464	}, {
465		.mfr_id		= CFI_MFR_AMD,
466		.dev_id		= AM29F017D,
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,
472		.nr_regions	= 1,
473		.regions	= {
474			ERASEINFO(0x10000,32),
475		}
476	}, {
477		.mfr_id		= CFI_MFR_AMD,
478		.dev_id		= AM29F016D,
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,
484		.nr_regions	= 1,
485		.regions	= {
486			ERASEINFO(0x10000,32),
487		}
488	}, {
489		.mfr_id		= CFI_MFR_AMD,
490		.dev_id		= AM29F080,
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,
496		.nr_regions	= 1,
497		.regions	= {
498			ERASEINFO(0x10000,16),
499		}
500	}, {
501		.mfr_id		= CFI_MFR_AMD,
502		.dev_id		= AM29F040,
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,
508		.nr_regions	= 1,
509		.regions	= {
510			ERASEINFO(0x10000,8),
511		}
512	}, {
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,
520		.nr_regions	= 1,
521		.regions	= {
522			ERASEINFO(0x10000,8),
523		}
524	}, {
525		.mfr_id		= CFI_MFR_AMD,
526		.dev_id		= AM29F002T,
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,
532		.nr_regions	= 4,
533		.regions	= {
534			ERASEINFO(0x10000,3),
535			ERASEINFO(0x08000,1),
536			ERASEINFO(0x02000,2),
537			ERASEINFO(0x04000,1),
538		}
539	}, {
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,
547		.nr_regions	= 4,
548		.regions	= {
549			ERASEINFO(0x10000,15),
550			ERASEINFO(0x08000,1),
551			ERASEINFO(0x02000,2),
552			ERASEINFO(0x04000,1),
553		}
554	}, {
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,
562		.nr_regions	= 4,
563		.regions	= {
564			ERASEINFO(0x04000,1),
565			ERASEINFO(0x02000,2),
566			ERASEINFO(0x08000,1),
567			ERASEINFO(0x10000,15),
568		}
569	}, {
570		.mfr_id		= CFI_MFR_ATMEL,
571		.dev_id		= AT49BV512,
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,
577		.nr_regions	= 1,
578		.regions	= {
579			ERASEINFO(0x10000,1)
580		}
581	}, {
582		.mfr_id		= CFI_MFR_ATMEL,
583		.dev_id		= AT29LV512,
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,
589		.nr_regions	= 1,
590		.regions	= {
591			ERASEINFO(0x80,256),
592			ERASEINFO(0x80,256)
593		}
594	}, {
595		.mfr_id		= CFI_MFR_ATMEL,
596		.dev_id		= AT49BV16X,
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,
602		.nr_regions	= 2,
603		.regions	= {
604			ERASEINFO(0x02000,8),
605			ERASEINFO(0x10000,31)
606		}
607	}, {
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,
615		.nr_regions	= 2,
616		.regions	= {
617			ERASEINFO(0x10000,31),
618			ERASEINFO(0x02000,8)
619		}
620	}, {
621		.mfr_id		= CFI_MFR_ATMEL,
622		.dev_id		= AT49BV32X,
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,
628		.nr_regions	= 2,
629		.regions	= {
630			ERASEINFO(0x02000,8),
631			ERASEINFO(0x10000,63)
632		}
633	}, {
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,
641		.nr_regions	= 2,
642		.regions	= {
643			ERASEINFO(0x10000,63),
644			ERASEINFO(0x02000,8)
645		}
646	}, {
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,
654		.nr_regions	= 4,
655		.regions	= {
656			ERASEINFO(0x10000,7),
657			ERASEINFO(0x08000,1),
658			ERASEINFO(0x02000,2),
659			ERASEINFO(0x04000,1),
660		}
661	}, {
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,
669		.nr_regions	= 4,
670		.regions	= {
671			ERASEINFO(0x04000,1),
672			ERASEINFO(0x02000,2),
673			ERASEINFO(0x08000,1),
674			ERASEINFO(0x10000,7),
675		}
676	}, {
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,
684		.nr_regions	= 4,
685		.regions	= {
686			ERASEINFO(0x10000,15),
687			ERASEINFO(0x08000,1),
688			ERASEINFO(0x02000,2),
689			ERASEINFO(0x04000,1),
690		}
691	}, {
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,
699		.nr_regions	= 4,
700		.regions	= {
701			ERASEINFO(0x04000,1),
702			ERASEINFO(0x02000,2),
703			ERASEINFO(0x08000,1),
704			ERASEINFO(0x10000,15),
705		}
706	}, {
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,
714		.nr_regions	= 1,
715		.regions	= {
716			ERASEINFO(0x10000,8)
717		}
718	}, {
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,
726		.nr_regions	= 4,
727		.regions	= {
728			ERASEINFO(0x04000,1),
729			ERASEINFO(0x02000,2),
730			ERASEINFO(0x08000,1),
731			ERASEINFO(0x10000,15),
732		}
733	}, {
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,
741		.nr_regions	= 1,
742		.regions	= {
743			ERASEINFO(0x10000,128)
744		}
745	}, {
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,
753		.nr_regions	= 2,
754		.regions	= {
755			ERASEINFO(0x10000,63),
756			ERASEINFO(0x02000,8)
757		}
758	}, {
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,
766		.nr_regions	= 2,
767		.regions	= {
768			ERASEINFO(0x02000,8),
769			ERASEINFO(0x10000,63)
770		}
771	}, {
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,
779		.nr_regions	= 4,
780		.regions	= {
781			ERASEINFO(0x10000,31),
782			ERASEINFO(0x08000,1),
783			ERASEINFO(0x02000,2),
784			ERASEINFO(0x04000,1)
785		}
786	}, {
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,
794		.nr_regions	= 4,
795		.regions	= {
796			ERASEINFO(0x04000,1),
797			ERASEINFO(0x02000,2),
798			ERASEINFO(0x08000,1),
799			ERASEINFO(0x10000,31)
800		}
801	}, {
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,
809		.nr_regions	= 4,
810		.regions	= {
811			ERASEINFO(0x04000,1),
812			ERASEINFO(0x02000,2),
813			ERASEINFO(0x08000,1),
814			ERASEINFO(0x10000,15)
815		}
816	}, {
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,
824		.nr_regions	= 4,
825		.regions	= {
826			ERASEINFO(0x10000,15),
827			ERASEINFO(0x08000,1),
828			ERASEINFO(0x02000,2),
829			ERASEINFO(0x04000,1)
830		}
831	}, {
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,
839		.nr_regions	= 4,
840		.regions	= {
841			ERASEINFO(0x04000,1),
842			ERASEINFO(0x02000,2),
843			ERASEINFO(0x08000,1),
844			ERASEINFO(0x10000,7)
845		}
846	}, {
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,
854		.nr_regions	= 4,
855		.regions	= {
856			ERASEINFO(0x10000,7),
857			ERASEINFO(0x08000,1),
858			ERASEINFO(0x02000,2),
859			ERASEINFO(0x04000,1)
860		}
861	}, {
862		.mfr_id		= CFI_MFR_HYUNDAI,
863		.dev_id		= HY29F002T,
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,
869		.nr_regions	= 4,
870		.regions	= {
871			ERASEINFO(0x10000,3),
872			ERASEINFO(0x08000,1),
873			ERASEINFO(0x02000,2),
874			ERASEINFO(0x04000,1),
875		}
876	}, {
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,
884		.nr_regions	= 2,
885		.regions	= {
886			ERASEINFO(0x02000, 8),
887			ERASEINFO(0x10000, 7),
888		}
889	}, {
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,
897		.nr_regions	= 2,
898		.regions	= {
899			ERASEINFO(0x10000, 7),
900			ERASEINFO(0x02000, 8),
901		}
902	}, {
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,
910		.nr_regions	= 2,
911		.regions	= {
912			ERASEINFO(0x02000, 8),
913			ERASEINFO(0x10000, 7),
914		}
915	}, {
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,
923		.nr_regions	= 2,
924		.regions	= {
925			ERASEINFO(0x10000, 7),
926			ERASEINFO(0x02000, 8),
927		}
928	}, {
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,
936		.nr_regions	= 2,
937		.regions	= {
938			ERASEINFO(0x02000, 8),
939			ERASEINFO(0x10000, 15),
940		}
941	}, {
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,
949		.nr_regions	= 2,
950		.regions	= {
951			ERASEINFO(0x10000, 15),
952			ERASEINFO(0x02000, 8),
953		}
954	}, {
955		.mfr_id		= CFI_MFR_INTEL,
956		.dev_id		= I28F008S5,
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,
962		.nr_regions	= 1,
963		.regions	= {
964			ERASEINFO(0x10000,16),
965		}
966	}, {
967		.mfr_id		= CFI_MFR_INTEL,
968		.dev_id		= I28F016S5,
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,
974		.nr_regions	= 1,
975		.regions	= {
976			ERASEINFO(0x10000,32),
977		}
978	}, {
979		.mfr_id		= CFI_MFR_INTEL,
980		.dev_id		= I28F008SA,
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,
986		.nr_regions	= 1,
987		.regions	= {
988			ERASEINFO(0x10000, 16),
989		}
990	}, {
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,
998		.nr_regions	= 2,
999		.regions	= {
1000			ERASEINFO(0x02000, 8),
1001			ERASEINFO(0x10000, 15),
1002		}
1003	}, {
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,
1011		.nr_regions	= 2,
1012		.regions	= {
1013			ERASEINFO(0x10000, 15),
1014			ERASEINFO(0x02000, 8),
1015		}
1016	}, {
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,
1024		.nr_regions	= 2,
1025		.regions	= {
1026			ERASEINFO(0x02000, 8),
1027			ERASEINFO(0x10000, 31),
1028		}
1029	}, {
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,
1037		.nr_regions	= 1,
1038		.regions	= {
1039			ERASEINFO(0x10000, 32),
1040		}
1041	}, {
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,
1049		.nr_regions	= 2,
1050		.regions	= {
1051			ERASEINFO(0x10000, 31),
1052			ERASEINFO(0x02000, 8),
1053		}
1054	}, {
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,
1062		.nr_regions	= 2,
1063		.regions	= {
1064			ERASEINFO(0x02000, 8),
1065			ERASEINFO(0x10000, 31),
1066		}
1067	}, {
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,
1075		.nr_regions	= 2,
1076		.regions	= {
1077			ERASEINFO(0x10000, 31),
1078			ERASEINFO(0x02000, 8),
1079		}
1080	}, {
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,
1088		.nr_regions	= 2,
1089		.regions	= {
1090			ERASEINFO(0x02000, 8),
1091			ERASEINFO(0x10000, 63),
1092		}
1093	}, {
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,
1101		.nr_regions	= 2,
1102		.regions	= {
1103			ERASEINFO(0x10000, 63),
1104			ERASEINFO(0x02000, 8),
1105		}
1106	}, {
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,
1114		.nr_regions	= 2,
1115		.regions	= {
1116			ERASEINFO(0x02000, 8),
1117			ERASEINFO(0x10000, 127),
1118		}
1119	}, {
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,
1127		.nr_regions	= 2,
1128		.regions	= {
1129			ERASEINFO(0x10000, 127),
1130			ERASEINFO(0x02000, 8),
1131		}
1132	}, {
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,
1140		.nr_regions	= 2,
1141		.regions	= {
1142			ERASEINFO(0x02000, 8),
1143			ERASEINFO(0x10000, 127),
1144		}
1145	}, {
1146		.mfr_id		= CFI_MFR_INTEL,
1147		.dev_id		= I82802AB,
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,
1153		.nr_regions	= 1,
1154		.regions	= {
1155			ERASEINFO(0x10000,8),
1156		}
1157	}, {
1158		.mfr_id		= CFI_MFR_INTEL,
1159		.dev_id		= I82802AC,
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,
1165		.nr_regions	= 1,
1166		.regions	= {
1167			ERASEINFO(0x10000,16),
1168		}
1169	}, {
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,
1177		.nr_regions	= 1,
1178		.regions	= {
1179			ERASEINFO(0x10000,8),
1180		}
1181	}, {
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,
1189		.nr_regions	= 4,
1190		.regions	= {
1191			ERASEINFO(0x10000,31),
1192			ERASEINFO(0x08000,1),
1193			ERASEINFO(0x02000,2),
1194			ERASEINFO(0x04000,1)
1195		}
1196	}, {
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,
1204		.nr_regions	= 3,
1205		.regions	= {
1206			ERASEINFO(0x2000,8),
1207			ERASEINFO(0x10000,126),
1208			ERASEINFO(0x2000,8),
1209		}
1210	}, {
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,
1218		.nr_regions	= 4,
1219		.regions	= {
1220			ERASEINFO(0x04000,1),
1221			ERASEINFO(0x02000,2),
1222			ERASEINFO(0x08000,1),
1223			ERASEINFO(0x10000,31)
1224		}
1225	}, {
1226		.mfr_id		= CFI_MFR_MACRONIX,
1227		.dev_id		= MX29F040,
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,
1233		.nr_regions	= 1,
1234		.regions	= {
1235			ERASEINFO(0x10000,8),
1236		}
1237	}, {
1238		.mfr_id		= CFI_MFR_MACRONIX,
1239		.dev_id		= MX29F016,
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,
1245		.nr_regions	= 1,
1246		.regions	= {
1247			ERASEINFO(0x10000,32),
1248		}
1249	}, {
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,
1257		.nr_regions	= 4,
1258		.regions	= {
1259			ERASEINFO(0x10000,7),
1260			ERASEINFO(0x08000,1),
1261			ERASEINFO(0x02000,2),
1262			ERASEINFO(0x04000,1),
1263		}
1264	}, {
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,
1272		.nr_regions	= 4,
1273		.regions	= {
1274			ERASEINFO(0x04000,1),
1275			ERASEINFO(0x02000,2),
1276			ERASEINFO(0x08000,1),
1277			ERASEINFO(0x10000,7),
1278		}
1279	}, {
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,
1287		.nr_regions	= 4,
1288		.regions	= {
1289			ERASEINFO(0x10000,3),
1290			ERASEINFO(0x08000,1),
1291			ERASEINFO(0x02000,2),
1292			ERASEINFO(0x04000,1),
1293		}
1294	}, {
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,
1302		.nr_regions	= 1,
1303		.regions	= {
1304			ERASEINFO( 0x01000, 64 )
1305		}
1306	}, {
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,
1314		.nr_regions	= 1,
1315		.regions	= {
1316			ERASEINFO( 0x01000, 128 )
1317		}
1318	}, {
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,
1326		.nr_regions	= 1,
1327		.regions	= {
1328			ERASEINFO( 0x01000, 256 )
1329		}
1330	}, {
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,
1338		.nr_regions	= 2,
1339		.regions	= {
1340			ERASEINFO(0x10000, 127),
1341			ERASEINFO(0x02000, 8),
1342		}
1343	}, {
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,
1351		.nr_regions	= 1,
1352		.regions	= {
1353			ERASEINFO(0x01000,16),
1354		}
1355	}, {
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,
1363		.nr_regions	= 1,
1364		.regions	= {
1365			ERASEINFO(0x01000,32),
1366		}
1367	}, {
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,
1375		.nr_regions	= 1,
1376		.regions = {ERASEINFO(0x01000,64),
1377		}
1378	}, {
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,
1386		.nr_regions	= 1,
1387		.regions = {ERASEINFO(0x01000,64),
1388		}
1389	}, {
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,
1397		.nr_regions	= 1,
1398		.regions	= {
1399			ERASEINFO(0x01000,64),
1400		}
1401	}, {
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,
1409		.nr_regions	= 1,
1410		.regions	= {
1411			ERASEINFO(0x01000,128),
1412		}
1413	}, {
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,
1421		.nr_regions	= 1,
1422		.regions	= {
1423			ERASEINFO(0x01000,32),
1424		}
1425	}, {
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,
1433		.nr_regions	= 1,
1434		.regions	= {
1435			ERASEINFO(0x01000,64),
1436		}
1437	}, {
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,
1445		.nr_regions	= 1,
1446		.regions	= {
1447			ERASEINFO(0x01000,128),
1448		}
1449	}, {
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,
1457		.nr_regions	= 1,
1458		.regions	= {
1459			ERASEINFO(0x01000,128),
1460		}
1461	}, {
1462
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,
1470		.nr_regions	= 1,
1471		.regions	= {
1472			ERASEINFO(0x01000,128),
1473		}
1474	}, {
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,
1482		.nr_regions	= 1,
1483		.regions	= {
1484			ERASEINFO(0x01000,256),
1485		}
1486	}, {
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,
1494		.nr_regions	= 1,
1495		.regions	= {
1496			ERASEINFO(0x01000,96),
1497		}
1498	}, {
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,
1506		.nr_regions	= 1,
1507		.regions	= {
1508			ERASEINFO(0x01000,128),
1509		}
1510	}, {
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,
1518		.nr_regions	= 1,
1519		.regions	= {
1520			ERASEINFO(0x01000,256),
1521		}
1522	}, {
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,
1530		.nr_regions	= 2,
1531		.regions	= {
1532			ERASEINFO(0x1000,256),
1533			ERASEINFO(0x1000,256)
1534		}
1535	}, {
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,
1543		.nr_regions	= 2,
1544		.regions	= {
1545			ERASEINFO(0x1000,256),
1546			ERASEINFO(0x1000,256)
1547		}
1548	}, {
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,
1557		.nr_regions	= 2,
1558		.regions	= {
1559			ERASEINFO(0x1000,256),
1560			ERASEINFO(0x1000,256)
1561		}
1562	}, {
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,
1571		.nr_regions	= 2,
1572		.regions	= {
1573			ERASEINFO(0x1000,256),
1574			ERASEINFO(0x1000,256)
1575		}
1576	}, {
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,
1584		.nr_regions	= 4,
1585		.regions	= {
1586			ERASEINFO(0x1000,256),
1587			ERASEINFO(0x1000,256),
1588			ERASEINFO(0x1000,256),
1589			ERASEINFO(0x1000,256)
1590		}
1591	}, {
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,
1599		.nr_regions	= 1,
1600		.regions	= {
1601			ERASEINFO(0x10000,64),
1602		}
1603	}, {
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,
1611		.nr_regions	= 4,
1612		.regions	= {
1613			ERASEINFO(0x04000,1),
1614			ERASEINFO(0x02000,2),
1615			ERASEINFO(0x08000,1),
1616			ERASEINFO(0x10000,15),
1617		}
1618	}, {
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,
1626		.nr_regions	= 4,
1627		.regions	= {
1628			ERASEINFO(0x10000,15),
1629			ERASEINFO(0x08000,1),
1630			ERASEINFO(0x02000,2),
1631			ERASEINFO(0x04000,1)
1632		}
1633	}, {
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,
1641		.nr_regions	= 4,
1642		.regions	= {
1643			ERASEINFO(0x04000,1),
1644			ERASEINFO(0x02000,2),
1645			ERASEINFO(0x08000,1),
1646			ERASEINFO(0x10000,15)
1647		}
1648	},  {
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,
1656		.nr_regions     = 4,
1657		.regions        = {
1658			ERASEINFO(0x04000,7),
1659			ERASEINFO(0x02000,1),
1660			ERASEINFO(0x08000,2),
1661			ERASEINFO(0x10000,1)
1662		}
1663	}, {
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,
1671		.nr_regions     = 4,
1672		.regions        = {
1673			ERASEINFO(0x04000,1),
1674			ERASEINFO(0x02000,2),
1675			ERASEINFO(0x08000,1),
1676			ERASEINFO(0x10000,7)
1677		}
1678	}, {
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,
1686		.nr_regions	= 4,
1687		.regions	= {
1688			ERASEINFO(0x10000,31),
1689			ERASEINFO(0x08000,1),
1690			ERASEINFO(0x02000,2),
1691			ERASEINFO(0x04000,1)
1692		}
1693	}, {
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,
1701		.nr_regions	= 4,
1702		.regions	= {
1703			ERASEINFO(0x04000,1),
1704			ERASEINFO(0x02000,2),
1705			ERASEINFO(0x08000,1),
1706			ERASEINFO(0x10000,31)
1707		}
1708	}, {
1709		.mfr_id		= CFI_MFR_ST,
1710		.dev_id		= M29W040B,
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,
1716		.nr_regions	= 1,
1717		.regions	= {
1718			ERASEINFO(0x10000,8),
1719		}
1720	}, {
1721		.mfr_id		= CFI_MFR_ST,
1722		.dev_id		= M50FW040,
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,
1728		.nr_regions	= 1,
1729		.regions	= {
1730			ERASEINFO(0x10000,8),
1731		}
1732	}, {
1733		.mfr_id		= CFI_MFR_ST,
1734		.dev_id		= M50FW080,
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,
1740		.nr_regions	= 1,
1741		.regions	= {
1742			ERASEINFO(0x10000,16),
1743		}
1744	}, {
1745		.mfr_id		= CFI_MFR_ST,
1746		.dev_id		= M50FW016,
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,
1752		.nr_regions	= 1,
1753		.regions	= {
1754			ERASEINFO(0x10000,32),
1755		}
1756	}, {
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,
1764		.nr_regions	= 1,
1765		.regions	= {
1766			ERASEINFO(0x10000,16),
1767		},
1768	}, {
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,
1776		.nr_regions	= 4,
1777		.regions	= {
1778			ERASEINFO(0x1000,16),
1779			ERASEINFO(0x10000,13),
1780			ERASEINFO(0x1000,16),
1781			ERASEINFO(0x1000,16),
1782		}
1783	}, {
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,
1791		.nr_regions	= 4,
1792		.regions	= {
1793			ERASEINFO(0x1000,16),
1794			ERASEINFO(0x1000,16),
1795			ERASEINFO(0x10000,13),
1796			ERASEINFO(0x1000,16),
1797		}
1798	}, {
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,
1806		.nr_regions	= 1,
1807		.regions	= {
1808			ERASEINFO(0x10000,16),
1809		}
1810	}, {
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,
1818		.nr_regions	= 4,
1819		.regions	= {
1820			ERASEINFO(0x10000,31),
1821			ERASEINFO(0x08000,1),
1822			ERASEINFO(0x02000,2),
1823			ERASEINFO(0x04000,1)
1824		}
1825	}, {
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,
1833		.nr_regions	= 4,
1834		.regions	= {
1835			ERASEINFO(0x04000,1),
1836			ERASEINFO(0x02000,2),
1837			ERASEINFO(0x08000,1),
1838			ERASEINFO(0x10000,31)
1839		}
1840	}, {
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,
1848		.nr_regions	= 2,
1849		.regions	= {
1850			ERASEINFO(0x02000,8),
1851			ERASEINFO(0x10000,63)
1852		}
1853	}, {
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,
1861		.nr_regions	= 2,
1862		.regions	= {
1863			ERASEINFO(0x10000,63),
1864			ERASEINFO(0x02000,8)
1865		}
1866	}, {
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,
1874		.nr_regions	= 2,
1875		.regions	= {
1876			ERASEINFO(0x02000,8),
1877			ERASEINFO(0x10000,127)
1878		}
1879	}, {
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,
1887		.nr_regions	= 2,
1888		.regions	= {
1889			ERASEINFO(0x10000,127),
1890			ERASEINFO(0x02000,8)
1891		}
1892	}, {
1893		.mfr_id		= CFI_MFR_WINBOND,
1894		.dev_id		= W49V002A,
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,
1900		.nr_regions	= 4,
1901		.regions	= {
1902			ERASEINFO(0x10000, 3),
1903			ERASEINFO(0x08000, 1),
1904			ERASEINFO(0x02000, 2),
1905			ERASEINFO(0x04000, 1),
1906		}
1907	}
1908};
1909
1910static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
1911	struct cfi_private *cfi)
1912{
1913	map_word result;
1914	unsigned long mask;
1915	int bank = 0;
1916
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
1920	 */
1921	do {
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)
1925			return 0;
1926		result = map_read(map, base + ofs);
1927		bank++;
1928	} while ((result.x[0] & mask) == CFI_MFR_CONTINUATION);
1929
1930	return result.x[0] & mask;
1931}
1932
1933static inline u32 jedec_read_id(struct map_info *map, uint32_t base,
1934	struct cfi_private *cfi)
1935{
1936	map_word result;
1937	unsigned long mask;
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;
1942}
1943
1944static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi)
1945{
1946	/* Reset */
1947
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);
1959	}
1960
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.
1966	 */
1967	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1968	/* FIXME - should have reset delay before continuing */
1969}
1970
1971
1972static int cfi_jedec_setup(struct map_info *map, struct cfi_private *cfi, int index)
1973{
1974	int i,num_erase_regions;
1975	uint8_t uaddr;
1976
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));
1980		return 0;
1981	}
1982
1983	printk(KERN_INFO "Found: %s\n",jedec_table[index].name);
1984
1985	num_erase_regions = jedec_table[index].nr_regions;
1986
1987	cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1988	if (!cfi->cfiq) {
1989		//xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1990		return 0;
1991	}
1992
1993	memset(cfi->cfiq, 0, sizeof(struct cfi_ident));
1994
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);
2000
2001	for (i=0; i<num_erase_regions; i++){
2002		cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
2003	}
2004	cfi->cmdset_priv = NULL;
2005
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;
2009
2010	uaddr = jedec_table[index].uaddr;
2011
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;
2018
2019	return 1;	/* ok */
2020}
2021
2022
2023/*
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.
2029 */
2030static inline int jedec_match( uint32_t base,
2031			       struct map_info *map,
2032			       struct cfi_private *cfi,
2033			       const struct amd_flash_info *finfo )
2034{
2035	int rc = 0;           /* failure until all tests pass */
2036	u32 mfr, id;
2037	uint8_t uaddr;
2038
2039	/*
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.
2047	 */
2048	switch (cfi->device_type) {
2049	case CFI_DEVICETYPE_X8:
2050		mfr = (uint8_t)finfo->mfr_id;
2051		id = (uint8_t)finfo->dev_id;
2052
2053		/* bjd: it seems that if we do this, we can end up
2054		 * detecting 16bit flashes as an 8bit device, even though
2055		 * there aren't.
2056		 */
2057		if (finfo->dev_id > 0xff) {
2058			pr_debug("%s(): ID is not 8bit\n",
2059			       __func__);
2060			goto match_done;
2061		}
2062		break;
2063	case CFI_DEVICETYPE_X16:
2064		mfr = (uint16_t)finfo->mfr_id;
2065		id = (uint16_t)finfo->dev_id;
2066		break;
2067	case CFI_DEVICETYPE_X32:
2068		mfr = (uint16_t)finfo->mfr_id;
2069		id = (uint32_t)finfo->dev_id;
2070		break;
2071	default:
2072		printk(KERN_WARNING
2073		       "MTD %s(): Unsupported device type %d\n",
2074		       __func__, cfi->device_type);
2075		goto match_done;
2076	}
2077	if ( cfi->mfr != mfr || cfi->id != id ) {
2078		goto match_done;
2079	}
2080
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 );
2088		goto match_done;
2089	}
2090
2091	if (! (finfo->devtypes & cfi->device_type))
2092		goto match_done;
2093
2094	uaddr = finfo->uaddr;
2095
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",
2102			__func__,
2103			unlock_addrs[uaddr].addr1,
2104			unlock_addrs[uaddr].addr2);
2105		goto match_done;
2106	}
2107
2108	/*
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.
2116	 */
2117	pr_debug("MTD %s(): check ID's disappear when not in ID mode\n",
2118	       __func__ );
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 );
2126		goto match_done;
2127	}
2128
2129	/* all tests passed - mark  as success */
2130	rc = 1;
2131
2132	/*
2133	 * Put the device back in ID mode - only need to do this if we
2134	 * were truly frobbing a real device.
2135	 */
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);
2140	}
2141	cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2142	/* FIXME - should have a delay before continuing */
2143
2144 match_done:
2145	return rc;
2146}
2147
2148
2149static int jedec_probe_chip(struct map_info *map, __u32 base,
2150			    unsigned long *chip_map, struct cfi_private *cfi)
2151{
2152	int i;
2153	enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
2154	u32 probe_offset1, probe_offset2;
2155
2156 retry:
2157	if (!cfi->numchips) {
2158		uaddr_idx++;
2159
2160		if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2161			return 0;
2162
2163		cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1 / cfi->device_type;
2164		cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2 / cfi->device_type;
2165	}
2166
2167	/* Make certain we aren't probing past the end of map */
2168	if (base >= map->size) {
2169		printk(KERN_NOTICE
2170			"Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2171			base, map->size -1);
2172		return 0;
2173
2174	}
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))
2180		goto retry;
2181
2182	/* Reset */
2183	jedec_reset(base, map, cfi);
2184
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);
2189	}
2190	cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2191	/* FIXME - should have a delay before continuing */
2192
2193	if (!cfi->numchips) {
2194		/* This is the first time we're called. Set up the CFI
2195		   stuff accordingly and return */
2196
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))
2207					return 0;
2208				goto ok_out;
2209			}
2210		}
2211		goto retry;
2212	} else {
2213		uint16_t mfr;
2214		uint16_t id;
2215
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);
2219
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);
2224			return 0;
2225		}
2226	}
2227
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 */
2233		}
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);
2240
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);
2246				return 0;
2247			}
2248
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);
2258				return 0;
2259			}
2260		}
2261	}
2262
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 */
2266	cfi->numchips++;
2267
2268ok_out:
2269	/* Put it back into Read Mode */
2270	jedec_reset(base, map, cfi);
2271
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,
2274	       map->bankwidth*8);
2275
2276	return 1;
2277}
2278
2279static struct chip_probe jedec_chip_probe = {
2280	.name = "JEDEC",
2281	.probe_chip = jedec_probe_chip
2282};
2283
2284static struct mtd_info *jedec_probe(struct map_info *map)
2285{
2286	/*
2287	 * Just use the generic probe stuff to call our CFI-specific
2288	 * chip_probe routine in all the possible permutations, etc.
2289	 */
2290	return mtd_do_chip_probe(map, &jedec_chip_probe);
2291}
2292
2293static struct mtd_chip_driver jedec_chipdrv = {
2294	.probe	= jedec_probe,
2295	.name	= "jedec_probe",
2296	.module	= THIS_MODULE
2297};
2298
2299static int __init jedec_probe_init(void)
2300{
2301	register_mtd_chip_driver(&jedec_chipdrv);
2302	return 0;
2303}
2304
2305static void __exit jedec_probe_exit(void)
2306{
2307	unregister_mtd_chip_driver(&jedec_chipdrv);
2308}
2309
2310module_init(jedec_probe_init);
2311module_exit(jedec_probe_exit);
2312
2313MODULE_LICENSE("GPL");
2314MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2315MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");
2316