xref: /openbmc/u-boot/include/flash.h (revision c83bf6a2)
1 /*
2  * (C) Copyright 2000-2004
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 #ifndef _FLASH_H_
25 #define _FLASH_H_
26 
27 #ifndef CFG_NO_FLASH
28 /*-----------------------------------------------------------------------
29  * FLASH Info: contains chip specific data, per FLASH bank
30  */
31 
32 typedef struct {
33 	ulong	size;			/* total bank size in bytes		*/
34 	ushort	sector_count;		/* number of erase units		*/
35 	ulong	flash_id;		/* combined device & manufacturer code	*/
36 	ulong	start[CFG_MAX_FLASH_SECT];   /* physical sector start addresses */
37 	uchar	protect[CFG_MAX_FLASH_SECT]; /* sector protection status	*/
38 #ifdef CFG_FLASH_CFI
39 	uchar	portwidth;		/* the width of the port		*/
40 	uchar	chipwidth;		/* the width of the chip		*/
41 	ushort	buffer_size;		/* # of bytes in write buffer		*/
42 	ulong	erase_blk_tout;		/* maximum block erase timeout		*/
43 	ulong	write_tout;		/* maximum write timeout		*/
44 	ulong	buffer_write_tout;	/* maximum buffer write timeout		*/
45 
46 #endif
47 } flash_info_t;
48 
49 /*
50  * Values for the width of the port
51  */
52 #define FLASH_CFI_8BIT		0x01
53 #define FLASH_CFI_16BIT		0x02
54 #define FLASH_CFI_32BIT		0x04
55 #define FLASH_CFI_64BIT		0x08
56 /*
57  * Values for the width of the chip
58  */
59 #define FLASH_CFI_BY8		0x01
60 #define FLASH_CFI_BY16		0x02
61 #define FLASH_CFI_BY32		0x04
62 #define FLASH_CFI_BY64		0x08
63 
64 /* Prototypes */
65 
66 extern unsigned long flash_init (void);
67 extern void flash_print_info (flash_info_t *);
68 extern int flash_erase	(flash_info_t *, int, int);
69 extern int flash_sect_erase (ulong addr_first, ulong addr_last);
70 extern int flash_sect_protect (int flag, ulong addr_first, ulong addr_last);
71 
72 /* common/flash.c */
73 extern void flash_protect (int flag, ulong from, ulong to, flash_info_t *info);
74 extern int flash_write (uchar *, ulong, ulong);
75 extern flash_info_t *addr2info (ulong);
76 extern int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt);
77 
78 /* board/?/flash.c */
79 #if defined(CFG_FLASH_PROTECTION)
80 extern int flash_real_protect(flash_info_t *info, long sector, int prot);
81 #endif	/* CFG_FLASH_PROTECTION */
82 
83 /*-----------------------------------------------------------------------
84  * return codes from flash_write():
85  */
86 #define ERR_OK				0
87 #define ERR_TIMOUT			1
88 #define ERR_NOT_ERASED			2
89 #define ERR_PROTECTED			4
90 #define ERR_INVAL			8
91 #define ERR_ALIGN			16
92 #define ERR_UNKNOWN_FLASH_VENDOR	32
93 #define ERR_UNKNOWN_FLASH_TYPE		64
94 #define ERR_PROG_ERROR			128
95 
96 /*-----------------------------------------------------------------------
97  * Protection Flags for flash_protect():
98  */
99 #define FLAG_PROTECT_SET	0x01
100 #define FLAG_PROTECT_CLEAR	0x02
101 
102 /*-----------------------------------------------------------------------
103  * Device IDs
104  */
105 
106 #define AMD_MANUFACT	0x00010001	/* AMD	   manuf. ID in D23..D16, D7..D0 */
107 #define FUJ_MANUFACT	0x00040004	/* FUJITSU manuf. ID in D23..D16, D7..D0 */
108 #define ATM_MANUFACT	0x001F001F	/* ATMEL */
109 #define STM_MANUFACT	0x00200020	/* STM (Thomson) manuf. ID in D23.. -"- */
110 #define SST_MANUFACT	0x00BF00BF	/* SST	   manuf. ID in D23..D16, D7..D0 */
111 #define MT_MANUFACT	0x00890089	/* MT	   manuf. ID in D23..D16, D7..D0 */
112 #define INTEL_MANUFACT	0x00890089	/* INTEL   manuf. ID in D23..D16, D7..D0 */
113 #define INTEL_ALT_MANU	0x00B000B0	/* alternate INTEL namufacturer ID	*/
114 #define MX_MANUFACT	0x00C200C2	/* MXIC	   manuf. ID in D23..D16, D7..D0 */
115 #define TOSH_MANUFACT	0x00980098	/* TOSHIBA manuf. ID in D23..D16, D7..D0 */
116 
117 					/* Micron Technologies (INTEL compat.)	*/
118 #define MT_ID_28F400_T	0x44704470	/* 28F400B3 ID ( 4 M, top boot sector)	*/
119 #define MT_ID_28F400_B	0x44714471	/* 28F400B3 ID ( 4 M, bottom boot sect) */
120 
121 #define AMD_ID_LV040B	0x4F		/* 29LV040B ID				*/
122 					/* 4 Mbit, 512K x 8,			*/
123 					/* 8 64K x 8 uniform sectors		*/
124 
125 #define AMD_ID_F040B	0xA4		/* 29F040B ID				*/
126 					/* 4 Mbit, 512K x 8,			*/
127 					/* 8 64K x 8 uniform sectors		*/
128 #define STM_ID_M29W040B 0xE3		/* M29W040B ID				*/
129 					/* 4 Mbit, 512K x 8,			*/
130 					/* 8 64K x 8 uniform sectors		*/
131 #define AMD_ID_F080B	0xD5		/* 29F080  ID  ( 1 M)			*/
132 					/* 8 Mbit, 512K x 16,			*/
133 					/* 8 64K x 16 uniform sectors		*/
134 #define AMD_ID_F016D	0xAD		/* 29F016  ID  ( 2 M x 8)		*/
135 #define AMD_ID_F032B	0x41		/* 29F032  ID  ( 4 M x 8)		*/
136 #define AMD_ID_LV116DT	0xC7		/* 29LV116DT   ( 2 M x 8, top boot sect) */
137 #define AMD_ID_LV016B	0xc8		/* 29LV016 ID  ( 2 M x 8)		*/
138 
139 #define AMD_ID_PL160CB  0x22452245      /* 29PL160CB ID (16 M, bottom boot sect */
140 
141 #define AMD_ID_LV400T	0x22B922B9	/* 29LV400T ID ( 4 M, top boot sector)	*/
142 #define AMD_ID_LV400B	0x22BA22BA	/* 29LV400B ID ( 4 M, bottom boot sect) */
143 
144 #define AMD_ID_LV033C	0xA3		/* 29LV033C ID ( 4 M x 8)		*/
145 #define AMD_ID_LV065D	0x93		/* 29LV065D ID ( 8 M x 8)		*/
146 
147 #define AMD_ID_LV800T	0x22DA22DA	/* 29LV800T ID ( 8 M, top boot sector)	*/
148 #define AMD_ID_LV800B	0x225B225B	/* 29LV800B ID ( 8 M, bottom boot sect) */
149 
150 #define AMD_ID_LV160T	0x22C422C4	/* 29LV160T ID (16 M, top boot sector)	*/
151 #define AMD_ID_LV160B	0x22492249	/* 29LV160B ID (16 M, bottom boot sect) */
152 
153 #define AMD_ID_DL163T	0x22282228	/* 29DL163T ID (16 M, top boot sector)	*/
154 #define AMD_ID_DL163B	0x222B222B	/* 29DL163B ID (16 M, bottom boot sect)	*/
155 
156 #define AMD_ID_LV320T	0x22F622F6	/* 29LV320T ID (32 M, top boot sector)	*/
157 #define AMD_ID_LV320B	0x22F922F9	/* 29LV320B ID (32 M, bottom boot sect) */
158 
159 #define AMD_ID_DL322T	0x22552255	/* 29DL322T ID (32 M, top boot sector)	*/
160 #define AMD_ID_DL322B	0x22562256	/* 29DL322B ID (32 M, bottom boot sect) */
161 #define AMD_ID_DL323T	0x22502250	/* 29DL323T ID (32 M, top boot sector)	*/
162 #define AMD_ID_DL323B	0x22532253	/* 29DL323B ID (32 M, bottom boot sect) */
163 #define AMD_ID_DL324T	0x225C225C	/* 29DL324T ID (32 M, top boot sector)	*/
164 #define AMD_ID_DL324B	0x225F225F	/* 29DL324B ID (32 M, bottom boot sect) */
165 
166 #define AMD_ID_DL640	0x227E227E	/* 29DL640D ID (64 M, dual boot sectors)*/
167 #define AMD_ID_MIRROR	0x227E227E	/* 1st ID word for MirrorBit family */
168 #define AMD_ID_LV640U_2	0x220C220C	/* 2d ID word for AM29LV640M  at 0x38 */
169 #define AMD_ID_LV640U_3	0x22012201	/* 3d ID word for AM29LV640M  at 0x3c */
170 #define AMD_ID_LV128U_2 0x22122212	/* 2d ID word for AM29LV128M  at 0x38 */
171 #define AMD_ID_LV128U_3 0x22002200	/* 3d ID word for AM29LV128M  at 0x3c */
172 
173 #define AMD_ID_LV320B_2	0x221A221A	/* 2d ID word for AM29LV320MB at 0x38 */
174 #define AMD_ID_LV320B_3 0x22002200	/* 3d ID word for AM29LV320MB at 0x3c */
175 
176 #define AMD_ID_LV640U	0x22D722D7	/* 29LV640U ID (64 M, uniform sectors)	*/
177 
178 #define ATM_ID_BV1614	0x000000C0	/* 49BV1614 ID */
179 #define ATM_ID_BV1614A	0x000000C8	/* 49BV1614A ID */
180 
181 #define FUJI_ID_29F800BA  0x22582258	/* MBM29F800BA ID  (8M) */
182 #define FUJI_ID_29F800TA  0x22D622D6	/* MBM29F800TA ID  (8M) */
183 
184 #define SST_ID_xF200A	0x27892789	/* 39xF200A ID ( 2M = 128K x 16 )	*/
185 #define SST_ID_xF400A	0x27802780	/* 39xF400A ID ( 4M = 256K x 16 )	*/
186 #define SST_ID_xF800A	0x27812781	/* 39xF800A ID ( 8M = 512K x 16 )	*/
187 #define SST_ID_xF160A	0x27822782	/* 39xF800A ID (16M =	1M x 16 )	*/
188 #define SST_ID_xF040	0xBFD7BFD7	/* 39xF040 ID (512KB = 4Mbit x 8)	*/
189 
190 #define STM_ID_F040B	0xE2		/* M29F040B ID ( 4M = 512K x 8	)	*/
191 					/* 8 64K x 8 uniform sectors		*/
192 
193 #define STM_ID_x800AB	0x005B005B	/* M29W800AB ID (8M = 512K x 16 )	*/
194 #define STM_ID_29W320DT 0x22CA22CA	/* M29W320DT ID (32 M, top boot sector) */
195 #define STM_ID_29W320DB 0x22CB22CB	/* M29W320DB ID (32 M, bottom boot sect)	*/
196 #define STM_ID_29W040B	0x00E300E3	/* M29W040B ID (4M = 512K x 8)	*/
197 
198 #define INTEL_ID_28F016S    0x66a066a0	/* 28F016S[VS] ID (16M = 512k x 16)	*/
199 #define INTEL_ID_28F800B3T  0x88928892	/*  8M = 512K x 16 top boot sector	*/
200 #define INTEL_ID_28F800B3B  0x88938893	/*  8M = 512K x 16 bottom boot sector	*/
201 #define INTEL_ID_28F160B3T  0x88908890	/*  16M = 1M x 16 top boot sector	*/
202 #define INTEL_ID_28F160B3B  0x88918891	/*  16M = 1M x 16 bottom boot sector	*/
203 #define INTEL_ID_28F320B3T  0x88968896	/*  32M = 2M x 16 top boot sector	*/
204 #define INTEL_ID_28F320B3B  0x88978897	/*  32M = 2M x 16 bottom boot sector	*/
205 #define INTEL_ID_28F640B3T  0x88988898	/*  64M = 4M x 16 top boot sector	*/
206 #define INTEL_ID_28F640B3B  0x88998899	/*  64M = 4M x 16 bottom boot sector	*/
207 #define INTEL_ID_28F160F3B  0x88F488F4	/*  16M = 1M x 16 bottom boot sector	*/
208 
209 #define INTEL_ID_28F800C3T  0x88C088C0	/*  8M = 512K x 16 top boot sector	*/
210 #define INTEL_ID_28F800C3B  0x88C188C1	/*  8M = 512K x 16 bottom boot sector	*/
211 #define INTEL_ID_28F160C3T  0x88C288C2	/*  16M = 1M x 16 top boot sector	*/
212 #define INTEL_ID_28F160C3B  0x88C388C3	/*  16M = 1M x 16 bottom boot sector	*/
213 #define INTEL_ID_28F320C3T  0x88C488C4	/*  32M = 2M x 16 top boot sector	*/
214 #define INTEL_ID_28F320C3B  0x88C588C5	/*  32M = 2M x 16 bottom boot sector	*/
215 #define INTEL_ID_28F640C3T  0x88CC88CC	/*  64M = 4M x 16 top boot sector	*/
216 #define INTEL_ID_28F640C3B  0x88CD88CD	/*  64M = 4M x 16 bottom boot sector	*/
217 
218 #define INTEL_ID_28F128J3   0x89189818	/*  16M = 8M x 16 x 128 */
219 #define INTEL_ID_28F320J5   0x00140014	/*  32M = 128K x  32	*/
220 #define INTEL_ID_28F640J5   0x00150015	/*  64M = 128K x  64	*/
221 #define INTEL_ID_28F320J3A  0x00160016	/*  32M = 128K x  32	*/
222 #define INTEL_ID_28F640J3A  0x00170017	/*  64M = 128K x  64	*/
223 #define INTEL_ID_28F128J3A  0x00180018	/* 128M = 128K x 128	*/
224 #define INTEL_ID_28F256L18T 0x880D880D	/* 256M = 128K x 255 + 32k x 4 */
225 
226 #define INTEL_ID_28F160S3   0x00D000D0	/*  16M = 512K x  32 (64kB x 32)	*/
227 #define INTEL_ID_28F320S3   0x00D400D4	/*  32M = 512K x  64 (64kB x 64)	*/
228 
229 /* Note that the Sharp 28F016SC is compatible with the Intel E28F016SC */
230 #define SHARP_ID_28F016SCL  0xAAAAAAAA	/* LH28F016SCT-L95 2Mx8, 32 64k blocks	*/
231 #define SHARP_ID_28F016SCZ  0xA0A0A0A0	/* LH28F016SCT-Z4  2Mx8, 32 64k blocks	*/
232 #define SHARP_ID_28F008SC   0xA6A6A6A6	/* LH28F008SCT-L12 1Mx8, 16 64k blocks	*/
233 					/* LH28F008SCR-L85 1Mx8, 16 64k blocks	*/
234 
235 #define TOSH_ID_FVT160	0xC2		/* TC58FVT160 ID (16 M, top )		*/
236 #define TOSH_ID_FVB160	0x43		/* TC58FVT160 ID (16 M, bottom )	*/
237 
238 /*-----------------------------------------------------------------------
239  * Internal FLASH identification codes
240  *
241  * Be careful when adding new type! Odd numbers are "bottom boot sector" types!
242  */
243 
244 #define FLASH_AM040	0x0001		/* AMD Am29F040B, Am29LV040B		*/
245 					/* Bright Micro BM29F040		*/
246 					/* Fujitsu MBM29F040A			*/
247 					/* STM M29W040B				*/
248 					/* SGS Thomson M29F040B			*/
249 					/* 8 64K x 8 uniform sectors		*/
250 #define FLASH_AM400T	0x0002		/* AMD AM29LV400			*/
251 #define FLASH_AM400B	0x0003
252 #define FLASH_AM800T	0x0004		/* AMD AM29LV800			*/
253 #define FLASH_AM800B	0x0005
254 #define FLASH_AM116DT	0x0026		/* AMD AM29LV116DT (2Mx8bit) */
255 #define FLASH_AM160T	0x0006		/* AMD AM29LV160			*/
256 #define FLASH_AM160LV	0x0046		/* AMD29LV160DB (2M = 2Mx8bit ) */
257 #define FLASH_AM160B	0x0007
258 #define FLASH_AM320T	0x0008		/* AMD AM29LV320			*/
259 #define FLASH_AM320B	0x0009
260 
261 #define FLASH_AM080	0x000A		/* AMD Am29F080B			*/
262 					/* 16 64K x 8 uniform sectors		*/
263 
264 #define FLASH_AMDL322T	0x0010		/* AMD AM29DL322			*/
265 #define FLASH_AMDL322B	0x0011
266 #define FLASH_AMDL323T	0x0012		/* AMD AM29DL323			*/
267 #define FLASH_AMDL323B	0x0013
268 #define FLASH_AMDL324T	0x0014		/* AMD AM29DL324			*/
269 #define FLASH_AMDL324B	0x0015
270 
271 #define FLASH_AMDLV033C	0x0018
272 #define FLASH_AMDLV065D	0x001A
273 
274 #define FLASH_AMDL640	0x0016		/* AMD AM29DL640D			*/
275 #define FLASH_AMD016	0x0018		/* AMD AM29F016D			*/
276 
277 #define FLASH_SST200A	0x0040		/* SST 39xF200A ID (  2M = 128K x 16 )	*/
278 #define FLASH_SST400A	0x0042		/* SST 39xF400A ID (  4M = 256K x 16 )	*/
279 #define FLASH_SST800A	0x0044		/* SST 39xF800A ID (  8M = 512K x 16 )	*/
280 #define FLASH_SST160A	0x0046		/* SST 39xF160A ID ( 16M =   1M x 16 )	*/
281 #define FLASH_SST040	0x000E		/* SST 39xF040 ID (512KB = 4Mbit x 8 )	*/
282 
283 #define FLASH_STM800AB	0x0051		/* STM M29WF800AB  (  8M = 512K x 16 )	*/
284 #define FLASH_STMW320DT 0x0052		/* STM M29W320DT   (32 M, top boot sector)	*/
285 #define FLASH_STMW320DB 0x0053		/* STM M29W320DB   (32 M, bottom boot sect)*/
286 #define FLASH_STM320DB	0x00CB		/* STM M29W320DB (4M = 64K x 64, bottom)*/
287 #define FLASH_STM800DT	0x00D7		/* STM M29W800DT (1M = 64K x 16, top)	*/
288 #define FLASH_STM800DB	0x005B		/* STM M29W800DB (1M = 64K x 16, bottom)*/
289 
290 #define FLASH_28F400_T	0x0062		/* MT  28F400B3 ID (  4M = 256K x 16 )	*/
291 #define FLASH_28F400_B	0x0063		/* MT  28F400B3 ID (  4M = 256K x 16 )	*/
292 
293 #define FLASH_INTEL800T 0x0074		/* INTEL 28F800B3T (  8M = 512K x 16 )	*/
294 #define FLASH_INTEL800B 0x0075		/* INTEL 28F800B3B (  8M = 512K x 16 )	*/
295 #define FLASH_INTEL160T 0x0076		/* INTEL 28F160B3T ( 16M =  1 M x 16 )	*/
296 #define FLASH_INTEL160B 0x0077		/* INTEL 28F160B3B ( 16M =  1 M x 16 )	*/
297 #define FLASH_INTEL320T 0x0078		/* INTEL 28F320B3T ( 32M =  2 M x 16 )	*/
298 #define FLASH_INTEL320B 0x0079		/* INTEL 28F320B3B ( 32M =  2 M x 16 )	*/
299 #define FLASH_INTEL640T 0x007A		/* INTEL 28F320B3T ( 64M =  4 M x 16 )	*/
300 #define FLASH_INTEL640B 0x007B		/* INTEL 28F320B3B ( 64M =  4 M x 16 )	*/
301 
302 #define FLASH_28F320J3A 0x007C		/* INTEL 28F320J3A ( 32M = 128K x  32)	*/
303 #define FLASH_28F640J3A 0x007D		/* INTEL 28F640J3A ( 64M = 128K x  64)	*/
304 #define FLASH_28F128J3A 0x007E		/* INTEL 28F128J3A (128M = 128K x 128)	*/
305 
306 #define FLASH_28F008S5	0x0080		/* Intel 28F008S5  (  1M =  64K x 16 )	*/
307 #define FLASH_28F016SV	0x0081		/* Intel 28F016SV  ( 16M = 512k x 32 )	*/
308 #define FLASH_28F800_B	0x0083		/* Intel E28F800B  (  1M = ? )		*/
309 #define FLASH_AM29F800B 0x0084		/* AMD Am29F800BB  (  1M = ? )		*/
310 #define FLASH_28F320J5	0x0085		/* Intel 28F320J5  (  4M = 128K x 32 )	*/
311 #define FLASH_28F160S3	0x0086		/* Intel 28F160S3  ( 16M = 512K x 32 )	*/
312 #define FLASH_28F320S3	0x0088		/* Intel 28F320S3  ( 32M = 512K x 64 )	*/
313 #define FLASH_AM640U	0x0090		/* AMD Am29LV640U  ( 64M = 4M x 16 )	*/
314 #define FLASH_AM033C	0x0091		/* AMD AM29LV033   ( 32M = 4M x 8 )	*/
315 #define FLASH_LH28F016SCT 0x0092	/* Sharp 28F016SCT ( 8 Meg Flash SIMM ) */
316 #define FLASH_28F160F3B 0x0093		/* Intel 28F160F3B ( 16M = 1M x 16 )	*/
317 
318 #define FLASH_28F640J5	0x0099		/* INTEL 28F640J5  ( 64M = 128K x  64)	*/
319 
320 #define FLASH_28F800C3T 0x009A		/* Intel 28F800C3T (  8M = 512K x 16 )	*/
321 #define FLASH_28F800C3B 0x009B		/* Intel 28F800C3B (  8M = 512K x 16 )	*/
322 #define FLASH_28F160C3T 0x009C		/* Intel 28F160C3T ( 16M = 1M x 16 )	*/
323 #define FLASH_28F160C3B 0x009D		/* Intel 28F160C3B ( 16M = 1M x 16 )	*/
324 #define FLASH_28F320C3T 0x009E		/* Intel 28F320C3T ( 32M = 2M x 16 )	*/
325 #define FLASH_28F320C3B 0x009F		/* Intel 28F320C3B ( 32M = 2M x 16 )	*/
326 #define FLASH_28F640C3T 0x00A0		/* Intel 28F640C3T ( 64M = 4M x 16 )	*/
327 #define FLASH_28F640C3B 0x00A1		/* Intel 28F640C3B ( 64M = 4M x 16 )	*/
328 #define FLASH_AMLV320U	0x00A2		/* AMD 29LV320M    ( 32M = 2M x 16 )	*/
329 #define FLASH_AMLV640U	0x00A4		/* AMD 29LV640M    ( 64M = 4M x 16 )	*/
330 #define FLASH_AMLV128U	0x00A6		/* AMD 29LV128M	   ( 128M = 8M x 16 )	*/
331 #define FLASH_AMLV320B  0x00A7		/* AMD 29LV320MB   ( 32M = 2M x 16 )	*/
332 #define FLASH_AMLV320T	0x00A8		/* AMD 29LV320MT   ( 32M = 2M x 16 )	*/
333 /* Intel 28F256L18T 256M = 128K x 255 + 32k x 4	*/
334 #define FLASH_28F256L18T 0x00B0
335 #define FLASH_AMDL163T	0x00B2		/* AMD AM29DL163T (2M x 16 )			*/
336 #define FLASH_AMDL163B	0x00B3
337 
338 #define FLASH_UNKNOWN	0xFFFF		/* unknown flash type			*/
339 
340 
341 /* manufacturer offsets
342  */
343 #define FLASH_MAN_AMD	0x00000000	/* AMD					*/
344 #define FLASH_MAN_FUJ	0x00010000	/* Fujitsu				*/
345 #define FLASH_MAN_BM	0x00020000	/* Bright Microelectronics		*/
346 #define FLASH_MAN_MX	0x00030000	/* MXIC					*/
347 #define FLASH_MAN_STM	0x00040000
348 #define FLASH_MAN_TOSH	0x00050000	/* Toshiba				*/
349 #define FLASH_MAN_SST	0x00100000
350 #define FLASH_MAN_INTEL 0x00300000
351 #define FLASH_MAN_MT	0x00400000
352 #define FLASH_MAN_SHARP 0x00500000
353 
354 
355 #define FLASH_TYPEMASK	0x0000FFFF	/* extract FLASH type	information	*/
356 #define FLASH_VENDMASK	0xFFFF0000	/* extract FLASH vendor information	*/
357 
358 #define FLASH_AMD_COMP	0x000FFFFF	/* Up to this ID, FLASH is compatible	*/
359 					/* with AMD, Fujitsu and SST		*/
360 					/* (JEDEC standard commands ?)		*/
361 
362 #define FLASH_BTYPE	0x0001		/* mask for bottom boot sector type	*/
363 
364 /*-----------------------------------------------------------------------
365  * Timeout constants:
366  *
367  * We can't find any specifications for maximum chip erase times,
368  * so these values are guestimates.
369  */
370 #define FLASH_ERASE_TIMEOUT	120000	/* timeout for erasing in ms		*/
371 #define FLASH_WRITE_TIMEOUT	500	/* timeout for writes  in ms		*/
372 
373 #endif /* !CFG_NO_FLASH */
374 
375 #endif /* _FLASH_H_ */
376