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fe8c2806 WD |
1 | /* |
2 | * (C) Copyright 2001 | |
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 | #include <common.h> | |
25 | #include <ppc4xx.h> | |
26 | #include <asm/processor.h> | |
27 | ||
28 | flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ | |
29 | ||
30 | ||
31 | #ifdef CFG_FLASH_16BIT | |
32 | #define FLASH_WORD_SIZE unsigned short | |
33 | #define FLASH_ID_MASK 0xFFFF | |
34 | #else | |
35 | #define FLASH_WORD_SIZE unsigned long | |
36 | #define FLASH_ID_MASK 0xFFFFFFFF | |
37 | #endif | |
38 | ||
39 | /*----------------------------------------------------------------------- | |
40 | * Functions | |
41 | */ | |
42 | /* stolen from esteem192e/flash.c */ | |
43 | ulong flash_get_size (volatile FLASH_WORD_SIZE *addr, flash_info_t *info); | |
44 | ||
45 | #ifndef CFG_FLASH_16BIT | |
46 | static int write_word (flash_info_t *info, ulong dest, ulong data); | |
47 | #else | |
48 | static int write_short (flash_info_t *info, ulong dest, ushort data); | |
49 | #endif | |
50 | static void flash_get_offsets (ulong base, flash_info_t *info); | |
51 | ||
52 | ||
53 | /*----------------------------------------------------------------------- | |
54 | */ | |
55 | ||
56 | unsigned long flash_init (void) | |
57 | { | |
58 | unsigned long size_b0, size_b1; | |
59 | int i; | |
8bde7f77 WD |
60 | uint pbcr; |
61 | unsigned long base_b0, base_b1; | |
fe8c2806 WD |
62 | |
63 | /* Init: no FLASHes known */ | |
64 | for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) { | |
65 | flash_info[i].flash_id = FLASH_UNKNOWN; | |
66 | } | |
67 | ||
68 | /* Static FLASH Bank configuration here - FIXME XXX */ | |
69 | ||
70 | size_b0 = flash_get_size((volatile FLASH_WORD_SIZE *)FLASH_BASE0_PRELIM, &flash_info[0]); | |
71 | ||
72 | if (flash_info[0].flash_id == FLASH_UNKNOWN) { | |
73 | printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", | |
74 | size_b0, size_b0<<20); | |
75 | } | |
76 | ||
77 | /* Only one bank */ | |
78 | if (CFG_MAX_FLASH_BANKS == 1) | |
79 | { | |
80 | /* Setup offsets */ | |
81 | flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]); | |
82 | ||
83 | /* Monitor protection ON by default */ | |
84 | #if 0 /* sand: */ | |
85 | (void)flash_protect(FLAG_PROTECT_SET, | |
3b57fe0a | 86 | FLASH_BASE0_PRELIM-monitor_flash_len+size_b0, |
fe8c2806 WD |
87 | FLASH_BASE0_PRELIM-1+size_b0, |
88 | &flash_info[0]); | |
89 | #else | |
90 | (void)flash_protect(FLAG_PROTECT_SET, | |
8bde7f77 WD |
91 | CFG_MONITOR_BASE, |
92 | CFG_MONITOR_BASE+monitor_flash_len-1, | |
93 | &flash_info[0]); | |
fe8c2806 WD |
94 | #endif |
95 | size_b1 = 0 ; | |
96 | flash_info[0].size = size_b0; | |
97 | } | |
98 | ||
99 | /* 2 banks */ | |
100 | else | |
101 | { | |
102 | size_b1 = flash_get_size((volatile FLASH_WORD_SIZE *)FLASH_BASE1_PRELIM, &flash_info[1]); | |
103 | ||
104 | /* Re-do sizing to get full correct info */ | |
105 | ||
106 | if (size_b1) | |
107 | { | |
108 | mtdcr(ebccfga, pb0cr); | |
109 | pbcr = mfdcr(ebccfgd); | |
110 | mtdcr(ebccfga, pb0cr); | |
111 | base_b1 = -size_b1; | |
112 | pbcr = (pbcr & 0x0001ffff) | base_b1 | (((size_b1/1024/1024)-1)<<17); | |
113 | mtdcr(ebccfgd, pbcr); | |
114 | /* printf("pb1cr = %x\n", pbcr); */ | |
115 | } | |
116 | ||
117 | if (size_b0) | |
118 | { | |
119 | mtdcr(ebccfga, pb1cr); | |
120 | pbcr = mfdcr(ebccfgd); | |
121 | mtdcr(ebccfga, pb1cr); | |
122 | base_b0 = base_b1 - size_b0; | |
123 | pbcr = (pbcr & 0x0001ffff) | base_b0 | (((size_b0/1024/1024)-1)<<17); | |
124 | mtdcr(ebccfgd, pbcr); | |
125 | /* printf("pb0cr = %x\n", pbcr); */ | |
126 | } | |
127 | ||
128 | size_b0 = flash_get_size((volatile FLASH_WORD_SIZE *)base_b0, &flash_info[0]); | |
129 | ||
130 | flash_get_offsets (base_b0, &flash_info[0]); | |
131 | ||
132 | /* monitor protection ON by default */ | |
133 | #if 0 /* sand: */ | |
134 | (void)flash_protect(FLAG_PROTECT_SET, | |
3b57fe0a | 135 | FLASH_BASE0_PRELIM-monitor_flash_len+size_b0, |
fe8c2806 WD |
136 | FLASH_BASE0_PRELIM-1+size_b0, |
137 | &flash_info[0]); | |
138 | #else | |
139 | (void)flash_protect(FLAG_PROTECT_SET, | |
8bde7f77 WD |
140 | CFG_MONITOR_BASE, |
141 | CFG_MONITOR_BASE+monitor_flash_len-1, | |
142 | &flash_info[0]); | |
fe8c2806 WD |
143 | #endif |
144 | ||
145 | if (size_b1) { | |
146 | /* Re-do sizing to get full correct info */ | |
147 | size_b1 = flash_get_size((volatile FLASH_WORD_SIZE *)base_b1, &flash_info[1]); | |
148 | ||
149 | flash_get_offsets (base_b1, &flash_info[1]); | |
150 | ||
151 | /* monitor protection ON by default */ | |
152 | (void)flash_protect(FLAG_PROTECT_SET, | |
3b57fe0a | 153 | base_b1+size_b1-monitor_flash_len, |
fe8c2806 WD |
154 | base_b1+size_b1-1, |
155 | &flash_info[1]); | |
156 | /* monitor protection OFF by default (one is enough) */ | |
157 | (void)flash_protect(FLAG_PROTECT_CLEAR, | |
3b57fe0a | 158 | base_b0+size_b0-monitor_flash_len, |
fe8c2806 WD |
159 | base_b0+size_b0-1, |
160 | &flash_info[0]); | |
161 | } else { | |
162 | flash_info[1].flash_id = FLASH_UNKNOWN; | |
163 | flash_info[1].sector_count = -1; | |
164 | } | |
165 | ||
166 | flash_info[0].size = size_b0; | |
167 | flash_info[1].size = size_b1; | |
168 | }/* else 2 banks */ | |
169 | return (size_b0 + size_b1); | |
170 | } | |
171 | ||
172 | ||
fe8c2806 WD |
173 | /*----------------------------------------------------------------------- |
174 | */ | |
175 | ||
176 | static void flash_get_offsets (ulong base, flash_info_t *info) | |
177 | { | |
178 | int i; | |
179 | ||
180 | /* set up sector start adress table */ | |
181 | if ((info->flash_id & FLASH_TYPEMASK) == FLASH_28F320J3A || | |
182 | (info->flash_id & FLASH_TYPEMASK) == FLASH_28F640J3A || | |
183 | (info->flash_id & FLASH_TYPEMASK) == FLASH_28F128J3A) { | |
184 | for (i = 0; i < info->sector_count; i++) { | |
185 | info->start[i] = base + (i * info->size/info->sector_count); | |
186 | } | |
187 | } else if (info->flash_id & FLASH_BTYPE) { | |
8bde7f77 | 188 | if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { |
fe8c2806 WD |
189 | |
190 | #ifndef CFG_FLASH_16BIT | |
191 | /* set sector offsets for bottom boot block type */ | |
192 | info->start[0] = base + 0x00000000; | |
193 | info->start[1] = base + 0x00004000; | |
194 | info->start[2] = base + 0x00008000; | |
195 | info->start[3] = base + 0x0000C000; | |
196 | info->start[4] = base + 0x00010000; | |
197 | info->start[5] = base + 0x00014000; | |
198 | info->start[6] = base + 0x00018000; | |
199 | info->start[7] = base + 0x0001C000; | |
200 | for (i = 8; i < info->sector_count; i++) { | |
201 | info->start[i] = base + (i * 0x00020000) - 0x000E0000; | |
8bde7f77 WD |
202 | } |
203 | } | |
204 | else { | |
fe8c2806 WD |
205 | /* set sector offsets for bottom boot block type */ |
206 | info->start[0] = base + 0x00000000; | |
207 | info->start[1] = base + 0x00008000; | |
208 | info->start[2] = base + 0x0000C000; | |
209 | info->start[3] = base + 0x00010000; | |
210 | for (i = 4; i < info->sector_count; i++) { | |
211 | info->start[i] = base + (i * 0x00020000) - 0x00060000; | |
212 | } | |
213 | } | |
214 | #else | |
215 | /* set sector offsets for bottom boot block type */ | |
216 | info->start[0] = base + 0x00000000; | |
217 | info->start[1] = base + 0x00002000; | |
218 | info->start[2] = base + 0x00004000; | |
219 | info->start[3] = base + 0x00006000; | |
220 | info->start[4] = base + 0x00008000; | |
221 | info->start[5] = base + 0x0000A000; | |
222 | info->start[6] = base + 0x0000C000; | |
223 | info->start[7] = base + 0x0000E000; | |
224 | for (i = 8; i < info->sector_count; i++) { | |
225 | info->start[i] = base + (i * 0x00010000) - 0x00070000; | |
8bde7f77 | 226 | } |
fe8c2806 | 227 | } |
8bde7f77 | 228 | else { |
fe8c2806 WD |
229 | /* set sector offsets for bottom boot block type */ |
230 | info->start[0] = base + 0x00000000; | |
231 | info->start[1] = base + 0x00004000; | |
232 | info->start[2] = base + 0x00006000; | |
233 | info->start[3] = base + 0x00008000; | |
234 | for (i = 4; i < info->sector_count; i++) { | |
235 | info->start[i] = base + (i * 0x00010000) - 0x00030000; | |
236 | } | |
237 | } | |
238 | #endif | |
239 | } else { | |
240 | /* set sector offsets for top boot block type */ | |
241 | i = info->sector_count - 1; | |
8bde7f77 | 242 | if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { |
fe8c2806 WD |
243 | |
244 | #ifndef CFG_FLASH_16BIT | |
245 | info->start[i--] = base + info->size - 0x00004000; | |
246 | info->start[i--] = base + info->size - 0x00008000; | |
247 | info->start[i--] = base + info->size - 0x0000C000; | |
248 | info->start[i--] = base + info->size - 0x00010000; | |
249 | info->start[i--] = base + info->size - 0x00014000; | |
250 | info->start[i--] = base + info->size - 0x00018000; | |
251 | info->start[i--] = base + info->size - 0x0001C000; | |
252 | for (; i >= 0; i--) { | |
253 | info->start[i] = base + i * 0x00020000; | |
254 | } | |
255 | ||
8bde7f77 | 256 | } else { |
fe8c2806 WD |
257 | |
258 | info->start[i--] = base + info->size - 0x00008000; | |
259 | info->start[i--] = base + info->size - 0x0000C000; | |
260 | info->start[i--] = base + info->size - 0x00010000; | |
261 | for (; i >= 0; i--) { | |
262 | info->start[i] = base + i * 0x00020000; | |
263 | } | |
264 | } | |
265 | #else | |
266 | info->start[i--] = base + info->size - 0x00002000; | |
267 | info->start[i--] = base + info->size - 0x00004000; | |
268 | info->start[i--] = base + info->size - 0x00006000; | |
269 | info->start[i--] = base + info->size - 0x00008000; | |
270 | info->start[i--] = base + info->size - 0x0000A000; | |
271 | info->start[i--] = base + info->size - 0x0000C000; | |
272 | info->start[i--] = base + info->size - 0x0000E000; | |
273 | for (; i >= 0; i--) { | |
274 | info->start[i] = base + i * 0x00010000; | |
275 | } | |
276 | ||
8bde7f77 | 277 | } else { |
fe8c2806 WD |
278 | |
279 | info->start[i--] = base + info->size - 0x00004000; | |
280 | info->start[i--] = base + info->size - 0x00006000; | |
281 | info->start[i--] = base + info->size - 0x00008000; | |
282 | for (; i >= 0; i--) { | |
283 | info->start[i] = base + i * 0x00010000; | |
284 | } | |
285 | } | |
286 | #endif | |
287 | } | |
288 | ||
289 | ||
290 | } | |
291 | ||
292 | /*----------------------------------------------------------------------- | |
293 | */ | |
294 | ||
295 | void flash_print_info (flash_info_t *info) | |
296 | { | |
297 | int i; | |
298 | uchar *boottype; | |
299 | uchar botboot[]=", bottom boot sect)\n"; | |
300 | uchar topboot[]=", top boot sector)\n"; | |
301 | ||
302 | if (info->flash_id == FLASH_UNKNOWN) { | |
303 | printf ("missing or unknown FLASH type\n"); | |
304 | return; | |
305 | } | |
306 | ||
307 | switch (info->flash_id & FLASH_VENDMASK) { | |
308 | case FLASH_MAN_AMD: printf ("AMD "); break; | |
309 | case FLASH_MAN_FUJ: printf ("FUJITSU "); break; | |
310 | case FLASH_MAN_SST: printf ("SST "); break; | |
311 | case FLASH_MAN_STM: printf ("STM "); break; | |
312 | case FLASH_MAN_INTEL: printf ("INTEL "); break; | |
313 | default: printf ("Unknown Vendor "); break; | |
314 | } | |
315 | ||
316 | if (info->flash_id & 0x0001 ) { | |
317 | boottype = botboot; | |
318 | } else { | |
319 | boottype = topboot; | |
320 | } | |
321 | ||
322 | switch (info->flash_id & FLASH_TYPEMASK) { | |
323 | case FLASH_AM400B: printf ("AM29LV400B (4 Mbit%s",boottype); | |
324 | break; | |
325 | case FLASH_AM400T: printf ("AM29LV400T (4 Mbit%s",boottype); | |
326 | break; | |
327 | case FLASH_AM800B: printf ("AM29LV800B (8 Mbit%s",boottype); | |
328 | break; | |
329 | case FLASH_AM800T: printf ("AM29LV800T (8 Mbit%s",boottype); | |
330 | break; | |
331 | case FLASH_AM160B: printf ("AM29LV160B (16 Mbit%s",boottype); | |
332 | break; | |
333 | case FLASH_AM160T: printf ("AM29LV160T (16 Mbit%s",boottype); | |
334 | break; | |
335 | case FLASH_AM320B: printf ("AM29LV320B (32 Mbit%s",boottype); | |
336 | break; | |
337 | case FLASH_AM320T: printf ("AM29LV320T (32 Mbit%s",boottype); | |
338 | break; | |
339 | case FLASH_INTEL800B: printf ("INTEL28F800B (8 Mbit%s",boottype); | |
340 | break; | |
341 | case FLASH_INTEL800T: printf ("INTEL28F800T (8 Mbit%s",boottype); | |
342 | break; | |
343 | case FLASH_INTEL160B: printf ("INTEL28F160B (16 Mbit%s",boottype); | |
344 | break; | |
345 | case FLASH_INTEL160T: printf ("INTEL28F160T (16 Mbit%s",boottype); | |
346 | break; | |
347 | case FLASH_INTEL320B: printf ("INTEL28F320B (32 Mbit%s",boottype); | |
348 | break; | |
349 | case FLASH_INTEL320T: printf ("INTEL28F320T (32 Mbit%s",boottype); | |
350 | break; | |
351 | ||
352 | #if 0 /* enable when devices are available */ | |
353 | ||
354 | case FLASH_INTEL640B: printf ("INTEL28F640B (64 Mbit%s",boottype); | |
355 | break; | |
356 | case FLASH_INTEL640T: printf ("INTEL28F640T (64 Mbit%s",boottype); | |
357 | break; | |
358 | #endif | |
359 | case FLASH_28F320J3A: printf ("INTEL28F320J3A (32 Mbit%s",boottype); | |
360 | break; | |
361 | case FLASH_28F640J3A: printf ("INTEL28F640J3A (64 Mbit%s",boottype); | |
362 | break; | |
363 | case FLASH_28F128J3A: printf ("INTEL28F128J3A (128 Mbit%s",boottype); | |
364 | break; | |
365 | ||
366 | default: printf ("Unknown Chip Type\n"); | |
367 | break; | |
368 | } | |
369 | ||
370 | printf (" Size: %ld MB in %d Sectors\n", | |
371 | info->size >> 20, info->sector_count); | |
372 | ||
373 | printf (" Sector Start Addresses:"); | |
374 | for (i=0; i<info->sector_count; ++i) { | |
375 | if ((i % 5) == 0) | |
376 | printf ("\n "); | |
377 | printf (" %08lX%s", | |
378 | info->start[i], | |
379 | info->protect[i] ? " (RO)" : " " | |
380 | ); | |
381 | } | |
382 | printf ("\n"); | |
383 | return; | |
384 | } | |
385 | ||
386 | ||
387 | /*----------------------------------------------------------------------- | |
388 | */ | |
389 | ||
390 | ||
391 | /*----------------------------------------------------------------------- | |
392 | */ | |
393 | ||
394 | /* | |
395 | * The following code cannot be run from FLASH! | |
396 | */ | |
397 | ulong flash_get_size (volatile FLASH_WORD_SIZE *addr, flash_info_t *info) | |
398 | { | |
399 | short i; | |
400 | ulong base = (ulong)addr; | |
401 | FLASH_WORD_SIZE value; | |
402 | ||
403 | /* Write auto select command: read Manufacturer ID */ | |
404 | ||
405 | ||
406 | #ifndef CFG_FLASH_16BIT | |
407 | ||
408 | /* | |
409 | * Note: if it is an AMD flash and the word at addr[0000] | |
8bde7f77 WD |
410 | * is 0x00890089 this routine will think it is an Intel |
411 | * flash device and may(most likely) cause trouble. | |
fe8c2806 WD |
412 | */ |
413 | ||
414 | addr[0x0000] = 0x00900090; | |
415 | if(addr[0x0000] != 0x00890089){ | |
416 | addr[0x0555] = 0x00AA00AA; | |
417 | addr[0x02AA] = 0x00550055; | |
418 | addr[0x0555] = 0x00900090; | |
419 | #else | |
420 | ||
421 | /* | |
422 | * Note: if it is an AMD flash and the word at addr[0000] | |
8bde7f77 WD |
423 | * is 0x0089 this routine will think it is an Intel |
424 | * flash device and may(most likely) cause trouble. | |
fe8c2806 WD |
425 | */ |
426 | ||
427 | addr[0x0000] = 0x0090; | |
428 | ||
429 | if(addr[0x0000] != 0x0089){ | |
430 | addr[0x0555] = 0x00AA; | |
431 | addr[0x02AA] = 0x0055; | |
432 | addr[0x0555] = 0x0090; | |
433 | #endif | |
434 | } | |
435 | value = addr[0]; | |
436 | ||
437 | switch (value) { | |
438 | case (AMD_MANUFACT & FLASH_ID_MASK): | |
439 | info->flash_id = FLASH_MAN_AMD; | |
440 | break; | |
441 | case (FUJ_MANUFACT & FLASH_ID_MASK): | |
442 | info->flash_id = FLASH_MAN_FUJ; | |
443 | break; | |
444 | case (STM_MANUFACT & FLASH_ID_MASK): | |
445 | info->flash_id = FLASH_MAN_STM; | |
446 | break; | |
447 | case (SST_MANUFACT & FLASH_ID_MASK): | |
448 | info->flash_id = FLASH_MAN_SST; | |
449 | break; | |
450 | case (INTEL_MANUFACT & FLASH_ID_MASK): | |
451 | info->flash_id = FLASH_MAN_INTEL; | |
452 | break; | |
453 | default: | |
454 | info->flash_id = FLASH_UNKNOWN; | |
455 | info->sector_count = 0; | |
456 | info->size = 0; | |
457 | return (0); /* no or unknown flash */ | |
458 | ||
459 | } | |
460 | ||
461 | value = addr[1]; /* device ID */ | |
462 | ||
463 | switch (value) { | |
464 | ||
465 | case (AMD_ID_LV400T & FLASH_ID_MASK): | |
466 | info->flash_id += FLASH_AM400T; | |
467 | info->sector_count = 11; | |
468 | info->size = 0x00100000; | |
469 | break; /* => 1 MB */ | |
470 | ||
471 | case (AMD_ID_LV400B & FLASH_ID_MASK): | |
472 | info->flash_id += FLASH_AM400B; | |
473 | info->sector_count = 11; | |
474 | info->size = 0x00100000; | |
475 | break; /* => 1 MB */ | |
476 | ||
477 | case (AMD_ID_LV800T & FLASH_ID_MASK): | |
478 | info->flash_id += FLASH_AM800T; | |
479 | info->sector_count = 19; | |
480 | info->size = 0x00200000; | |
481 | break; /* => 2 MB */ | |
482 | ||
483 | case (AMD_ID_LV800B & FLASH_ID_MASK): | |
484 | info->flash_id += FLASH_AM800B; | |
485 | info->sector_count = 19; | |
486 | info->size = 0x00200000; | |
487 | break; /* => 2 MB */ | |
488 | ||
489 | case (AMD_ID_LV160T & FLASH_ID_MASK): | |
490 | info->flash_id += FLASH_AM160T; | |
491 | info->sector_count = 35; | |
492 | info->size = 0x00400000; | |
493 | break; /* => 4 MB */ | |
494 | ||
495 | case (AMD_ID_LV160B & FLASH_ID_MASK): | |
496 | info->flash_id += FLASH_AM160B; | |
497 | info->sector_count = 35; | |
498 | info->size = 0x00400000; | |
499 | break; /* => 4 MB */ | |
500 | #if 0 /* enable when device IDs are available */ | |
501 | case (AMD_ID_LV320T & FLASH_ID_MASK): | |
502 | info->flash_id += FLASH_AM320T; | |
503 | info->sector_count = 67; | |
504 | info->size = 0x00800000; | |
505 | break; /* => 8 MB */ | |
506 | ||
507 | case (AMD_ID_LV320B & FLASH_ID_MASK): | |
508 | info->flash_id += FLASH_AM320B; | |
509 | info->sector_count = 67; | |
510 | info->size = 0x00800000; | |
511 | break; /* => 8 MB */ | |
512 | #endif | |
513 | ||
514 | case (INTEL_ID_28F800B3T & FLASH_ID_MASK): | |
515 | info->flash_id += FLASH_INTEL800T; | |
516 | info->sector_count = 23; | |
517 | info->size = 0x00200000; | |
518 | break; /* => 2 MB */ | |
519 | ||
520 | case (INTEL_ID_28F800B3B & FLASH_ID_MASK): | |
521 | info->flash_id += FLASH_INTEL800B; | |
522 | info->sector_count = 23; | |
523 | info->size = 0x00200000; | |
524 | break; /* => 2 MB */ | |
525 | ||
526 | case (INTEL_ID_28F160B3T & FLASH_ID_MASK): | |
527 | info->flash_id += FLASH_INTEL160T; | |
528 | info->sector_count = 39; | |
529 | info->size = 0x00400000; | |
530 | break; /* => 4 MB */ | |
531 | ||
532 | case (INTEL_ID_28F160B3B & FLASH_ID_MASK): | |
533 | info->flash_id += FLASH_INTEL160B; | |
534 | info->sector_count = 39; | |
535 | info->size = 0x00400000; | |
536 | break; /* => 4 MB */ | |
537 | ||
538 | case (INTEL_ID_28F320B3T & FLASH_ID_MASK): | |
539 | info->flash_id += FLASH_INTEL320T; | |
540 | info->sector_count = 71; | |
541 | info->size = 0x00800000; | |
542 | break; /* => 8 MB */ | |
543 | ||
544 | case (INTEL_ID_28F320B3B & FLASH_ID_MASK): | |
545 | info->flash_id += FLASH_AM320B; | |
546 | info->sector_count = 71; | |
547 | info->size = 0x00800000; | |
548 | break; /* => 8 MB */ | |
549 | ||
550 | #if 0 /* enable when devices are available */ | |
551 | case (INTEL_ID_28F320B3T & FLASH_ID_MASK): | |
552 | info->flash_id += FLASH_INTEL320T; | |
553 | info->sector_count = 135; | |
554 | info->size = 0x01000000; | |
555 | break; /* => 16 MB */ | |
556 | ||
557 | case (INTEL_ID_28F320B3B & FLASH_ID_MASK): | |
558 | info->flash_id += FLASH_AM320B; | |
559 | info->sector_count = 135; | |
560 | info->size = 0x01000000; | |
561 | break; /* => 16 MB */ | |
562 | #endif | |
563 | case (INTEL_ID_28F320J3A & FLASH_ID_MASK): | |
564 | info->flash_id += FLASH_28F320J3A; | |
565 | info->sector_count = 32; | |
566 | info->size = 0x00400000; | |
53677ef1 | 567 | break; /* => 32 MBit */ |
fe8c2806 WD |
568 | case (INTEL_ID_28F640J3A & FLASH_ID_MASK): |
569 | info->flash_id += FLASH_28F640J3A; | |
570 | info->sector_count = 64; | |
571 | info->size = 0x00800000; | |
53677ef1 | 572 | break; /* => 64 MBit */ |
fe8c2806 WD |
573 | case (INTEL_ID_28F128J3A & FLASH_ID_MASK): |
574 | info->flash_id += FLASH_28F128J3A; | |
575 | info->sector_count = 128; | |
576 | info->size = 0x01000000; | |
53677ef1 | 577 | break; /* => 128 MBit */ |
fe8c2806 WD |
578 | |
579 | default: | |
580 | /* FIXME*/ | |
581 | info->flash_id = FLASH_UNKNOWN; | |
582 | return (0); /* => no or unknown flash */ | |
583 | } | |
584 | ||
585 | flash_get_offsets(base, info); | |
586 | ||
587 | /* check for protected sectors */ | |
588 | for (i = 0; i < info->sector_count; i++) { | |
589 | /* read sector protection at sector address, (A7 .. A0) = 0x02 */ | |
590 | /* D0 = 1 if protected */ | |
591 | addr = (volatile FLASH_WORD_SIZE *)(info->start[i]); | |
592 | info->protect[i] = addr[2] & 1; | |
593 | } | |
594 | ||
595 | /* | |
596 | * Prevent writes to uninitialized FLASH. | |
597 | */ | |
598 | if (info->flash_id != FLASH_UNKNOWN) { | |
599 | addr = (volatile FLASH_WORD_SIZE *)info->start[0]; | |
600 | if( (info->flash_id & 0xFF00) == FLASH_MAN_INTEL){ | |
601 | *addr = (0x00F000F0 & FLASH_ID_MASK); /* reset bank */ | |
602 | } else { | |
603 | *addr = (0x00FF00FF & FLASH_ID_MASK); /* reset bank */ | |
604 | } | |
605 | } | |
606 | ||
607 | return (info->size); | |
608 | } | |
609 | ||
610 | ||
611 | /*----------------------------------------------------------------------- | |
612 | */ | |
613 | ||
614 | int flash_erase (flash_info_t *info, int s_first, int s_last) | |
615 | { | |
616 | ||
617 | volatile FLASH_WORD_SIZE *addr=(volatile FLASH_WORD_SIZE*)(info->start[0]); | |
618 | int flag, prot, sect, l_sect, barf; | |
619 | ulong start, now, last; | |
620 | int rcode = 0; | |
621 | ||
622 | if ((s_first < 0) || (s_first > s_last)) { | |
623 | if (info->flash_id == FLASH_UNKNOWN) { | |
624 | printf ("- missing\n"); | |
625 | } else { | |
626 | printf ("- no sectors to erase\n"); | |
627 | } | |
628 | return 1; | |
629 | } | |
630 | ||
631 | if ((info->flash_id == FLASH_UNKNOWN) || | |
632 | ((info->flash_id > FLASH_AMD_COMP) && | |
8bde7f77 | 633 | ( (info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL ) ) ){ |
fe8c2806 WD |
634 | printf ("Can't erase unknown flash type - aborted\n"); |
635 | return 1; | |
636 | } | |
637 | ||
638 | prot = 0; | |
639 | for (sect=s_first; sect<=s_last; ++sect) { | |
640 | if (info->protect[sect]) { | |
641 | prot++; | |
642 | } | |
643 | } | |
644 | ||
645 | if (prot) { | |
646 | printf ("- Warning: %d protected sectors will not be erased!\n", | |
647 | prot); | |
648 | } else { | |
649 | printf ("\n"); | |
650 | } | |
651 | ||
652 | l_sect = -1; | |
653 | ||
654 | /* Disable interrupts which might cause a timeout here */ | |
655 | flag = disable_interrupts(); | |
656 | if(info->flash_id < FLASH_AMD_COMP) { | |
657 | #ifndef CFG_FLASH_16BIT | |
658 | addr[0x0555] = 0x00AA00AA; | |
659 | addr[0x02AA] = 0x00550055; | |
660 | addr[0x0555] = 0x00800080; | |
661 | addr[0x0555] = 0x00AA00AA; | |
662 | addr[0x02AA] = 0x00550055; | |
663 | #else | |
664 | addr[0x0555] = 0x00AA; | |
665 | addr[0x02AA] = 0x0055; | |
666 | addr[0x0555] = 0x0080; | |
667 | addr[0x0555] = 0x00AA; | |
668 | addr[0x02AA] = 0x0055; | |
669 | #endif | |
670 | /* Start erase on unprotected sectors */ | |
671 | for (sect = s_first; sect<=s_last; sect++) { | |
672 | if (info->protect[sect] == 0) { /* not protected */ | |
673 | addr = (volatile FLASH_WORD_SIZE *)(info->start[sect]); | |
674 | addr[0] = (0x00300030 & FLASH_ID_MASK); | |
675 | l_sect = sect; | |
676 | } | |
677 | } | |
678 | ||
679 | /* re-enable interrupts if necessary */ | |
680 | if (flag) | |
681 | enable_interrupts(); | |
682 | ||
683 | /* wait at least 80us - let's wait 1 ms */ | |
684 | udelay (1000); | |
685 | ||
686 | /* | |
687 | * We wait for the last triggered sector | |
688 | */ | |
689 | if (l_sect < 0) | |
690 | goto DONE; | |
691 | ||
692 | start = get_timer (0); | |
693 | last = start; | |
694 | addr = (volatile FLASH_WORD_SIZE*)(info->start[l_sect]); | |
695 | while ((addr[0] & (0x00800080&FLASH_ID_MASK)) != | |
696 | (0x00800080&FLASH_ID_MASK) ) | |
697 | { | |
698 | if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { | |
699 | printf ("Timeout\n"); | |
700 | return 1; | |
701 | } | |
702 | /* show that we're waiting */ | |
703 | if ((now - last) > 1000) { /* every second */ | |
704 | serial_putc ('.'); | |
705 | last = now; | |
706 | } | |
707 | } | |
708 | ||
709 | DONE: | |
710 | /* reset to read mode */ | |
711 | addr = (volatile FLASH_WORD_SIZE *)info->start[0]; | |
712 | addr[0] = (0x00F000F0 & FLASH_ID_MASK); /* reset bank */ | |
713 | } else { | |
714 | ||
715 | ||
716 | for (sect = s_first; sect<=s_last; sect++) { | |
717 | if (info->protect[sect] == 0) { /* not protected */ | |
718 | barf = 0; | |
719 | #ifndef CFG_FLASH_16BIT | |
720 | addr = (vu_long*)(info->start[sect]); | |
721 | addr[0] = 0x00200020; | |
722 | addr[0] = 0x00D000D0; | |
723 | while(!(addr[0] & 0x00800080)); /* wait for error or finish */ | |
724 | if( addr[0] & 0x003A003A) { /* check for error */ | |
725 | barf = addr[0] & 0x003A0000; | |
726 | if( barf ) { | |
727 | barf >>=16; | |
728 | } else { | |
729 | barf = addr[0] & 0x0000003A; | |
730 | } | |
731 | } | |
732 | #else | |
733 | addr = (vu_short*)(info->start[sect]); | |
734 | addr[0] = 0x0020; | |
735 | addr[0] = 0x00D0; | |
736 | while(!(addr[0] & 0x0080)); /* wait for error or finish */ | |
737 | if( addr[0] & 0x003A) /* check for error */ | |
738 | barf = addr[0] & 0x003A; | |
739 | #endif | |
740 | if(barf) { | |
741 | printf("\nFlash error in sector at %lx\n",(unsigned long)addr); | |
742 | if(barf & 0x0002) printf("Block locked, not erased.\n"); | |
743 | if((barf & 0x0030) == 0x0030) | |
744 | printf("Command Sequence error.\n"); | |
745 | if((barf & 0x0030) == 0x0020) | |
746 | printf("Block Erase error.\n"); | |
747 | if(barf & 0x0008) printf("Vpp Low error.\n"); | |
748 | rcode = 1; | |
749 | } else printf("."); | |
750 | l_sect = sect; | |
751 | } | |
752 | addr = (volatile FLASH_WORD_SIZE *)info->start[0]; | |
753 | addr[0] = (0x00FF00FF & FLASH_ID_MASK); /* reset bank */ | |
754 | ||
755 | } | |
756 | ||
757 | } | |
758 | printf (" done\n"); | |
759 | return rcode; | |
760 | } | |
761 | ||
762 | /*----------------------------------------------------------------------- | |
763 | */ | |
764 | ||
765 | /*flash_info_t *addr2info (ulong addr) | |
766 | { | |
767 | flash_info_t *info; | |
768 | int i; | |
769 | ||
770 | for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) { | |
771 | if ((addr >= info->start[0]) && | |
772 | (addr < (info->start[0] + info->size)) ) { | |
773 | return (info); | |
774 | } | |
775 | } | |
776 | ||
777 | return (NULL); | |
778 | } | |
779 | */ | |
780 | /*----------------------------------------------------------------------- | |
781 | * Copy memory to flash. | |
782 | * Make sure all target addresses are within Flash bounds, | |
783 | * and no protected sectors are hit. | |
784 | * Returns: | |
785 | * 0 - OK | |
786 | * 1 - write timeout | |
787 | * 2 - Flash not erased | |
788 | * 4 - target range includes protected sectors | |
789 | * 8 - target address not in Flash memory | |
790 | */ | |
791 | ||
792 | /*int flash_write (uchar *src, ulong addr, ulong cnt) | |
793 | { | |
794 | int i; | |
795 | ulong end = addr + cnt - 1; | |
796 | flash_info_t *info_first = addr2info (addr); | |
797 | flash_info_t *info_last = addr2info (end ); | |
798 | flash_info_t *info; | |
799 | ||
800 | if (cnt == 0) { | |
801 | return (0); | |
802 | } | |
803 | ||
804 | if (!info_first || !info_last) { | |
805 | return (8); | |
806 | } | |
807 | ||
808 | for (info = info_first; info <= info_last; ++info) { | |
809 | ulong b_end = info->start[0] + info->size;*/ /* bank end addr */ | |
810 | /* short s_end = info->sector_count - 1; | |
811 | for (i=0; i<info->sector_count; ++i) { | |
812 | ulong e_addr = (i == s_end) ? b_end : info->start[i + 1]; | |
813 | ||
814 | if ((end >= info->start[i]) && (addr < e_addr) && | |
815 | (info->protect[i] != 0) ) { | |
816 | return (4); | |
817 | } | |
818 | } | |
819 | } | |
820 | ||
821 | */ /* finally write data to flash */ | |
822 | /* for (info = info_first; info <= info_last && cnt>0; ++info) { | |
823 | ulong len; | |
824 | ||
825 | len = info->start[0] + info->size - addr; | |
826 | if (len > cnt) | |
827 | len = cnt; | |
828 | if ((i = write_buff(info, src, addr, len)) != 0) { | |
829 | return (i); | |
830 | } | |
831 | cnt -= len; | |
832 | addr += len; | |
833 | src += len; | |
834 | } | |
835 | return (0); | |
836 | } | |
837 | */ | |
838 | /*----------------------------------------------------------------------- | |
839 | * Copy memory to flash, returns: | |
840 | * 0 - OK | |
841 | * 1 - write timeout | |
842 | * 2 - Flash not erased | |
843 | */ | |
844 | ||
845 | int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) | |
846 | { | |
847 | #ifndef CFG_FLASH_16BIT | |
848 | ulong cp, wp, data; | |
849 | int l; | |
850 | #else | |
851 | ulong cp, wp; | |
852 | ushort data; | |
853 | #endif | |
854 | int i, rc; | |
855 | ||
856 | #ifndef CFG_FLASH_16BIT | |
857 | ||
858 | ||
859 | wp = (addr & ~3); /* get lower word aligned address */ | |
860 | ||
861 | /* | |
862 | * handle unaligned start bytes | |
863 | */ | |
864 | if ((l = addr - wp) != 0) { | |
865 | data = 0; | |
866 | for (i=0, cp=wp; i<l; ++i, ++cp) { | |
867 | data = (data << 8) | (*(uchar *)cp); | |
868 | } | |
869 | for (; i<4 && cnt>0; ++i) { | |
870 | data = (data << 8) | *src++; | |
871 | --cnt; | |
872 | ++cp; | |
873 | } | |
874 | for (; cnt==0 && i<4; ++i, ++cp) { | |
875 | data = (data << 8) | (*(uchar *)cp); | |
876 | } | |
877 | ||
878 | if ((rc = write_word(info, wp, data)) != 0) { | |
879 | return (rc); | |
880 | } | |
881 | wp += 4; | |
882 | } | |
883 | ||
884 | /* | |
885 | * handle word aligned part | |
886 | */ | |
887 | while (cnt >= 4) { | |
888 | data = 0; | |
889 | for (i=0; i<4; ++i) { | |
890 | data = (data << 8) | *src++; | |
891 | } | |
892 | if ((rc = write_word(info, wp, data)) != 0) { | |
893 | return (rc); | |
894 | } | |
895 | wp += 4; | |
896 | cnt -= 4; | |
897 | } | |
898 | ||
899 | if (cnt == 0) { | |
900 | return (0); | |
901 | } | |
902 | ||
903 | /* | |
904 | * handle unaligned tail bytes | |
905 | */ | |
906 | data = 0; | |
907 | for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { | |
908 | data = (data << 8) | *src++; | |
909 | --cnt; | |
910 | } | |
911 | for (; i<4; ++i, ++cp) { | |
912 | data = (data << 8) | (*(uchar *)cp); | |
913 | } | |
914 | ||
915 | return (write_word(info, wp, data)); | |
916 | ||
917 | #else | |
918 | wp = (addr & ~1); /* get lower word aligned address */ | |
919 | ||
920 | /* | |
921 | * handle unaligned start byte | |
922 | */ | |
923 | if (addr - wp) { | |
924 | data = 0; | |
925 | data = (data << 8) | *src++; | |
926 | --cnt; | |
927 | if ((rc = write_short(info, wp, data)) != 0) { | |
928 | return (rc); | |
929 | } | |
930 | wp += 2; | |
931 | } | |
932 | ||
933 | /* | |
934 | * handle word aligned part | |
935 | */ | |
936 | /* l = 0; used for debuging */ | |
937 | while (cnt >= 2) { | |
938 | data = 0; | |
939 | for (i=0; i<2; ++i) { | |
940 | data = (data << 8) | *src++; | |
941 | } | |
942 | ||
943 | /* if(!l){ | |
944 | printf("%x",data); | |
945 | l = 1; | |
946 | } used for debuging */ | |
947 | ||
948 | if ((rc = write_short(info, wp, data)) != 0) { | |
949 | return (rc); | |
950 | } | |
951 | wp += 2; | |
952 | cnt -= 2; | |
953 | } | |
954 | ||
955 | if (cnt == 0) { | |
956 | return (0); | |
957 | } | |
958 | ||
959 | /* | |
960 | * handle unaligned tail bytes | |
961 | */ | |
962 | data = 0; | |
963 | for (i=0, cp=wp; i<2 && cnt>0; ++i, ++cp) { | |
964 | data = (data << 8) | *src++; | |
965 | --cnt; | |
966 | } | |
967 | for (; i<2; ++i, ++cp) { | |
968 | data = (data << 8) | (*(uchar *)cp); | |
969 | } | |
970 | ||
971 | return (write_short(info, wp, data)); | |
972 | ||
973 | ||
974 | #endif | |
975 | } | |
976 | ||
977 | /*----------------------------------------------------------------------- | |
978 | * Write a word to Flash, returns: | |
979 | * 0 - OK | |
980 | * 1 - write timeout | |
981 | * 2 - Flash not erased | |
982 | */ | |
983 | #ifndef CFG_FLASH_16BIT | |
53677ef1 | 984 | static int write_word (flash_info_t * info, ulong dest, ulong data) |
fe8c2806 | 985 | { |
53677ef1 WD |
986 | vu_long *addr = (vu_long *) (info->start[0]); |
987 | ulong start, barf; | |
fe8c2806 WD |
988 | int flag; |
989 | ||
990 | ||
991 | /* Check if Flash is (sufficiently) erased */ | |
53677ef1 | 992 | if ((*((vu_long *) dest) & data) != data) { |
fe8c2806 WD |
993 | return (2); |
994 | } | |
995 | ||
996 | /* Disable interrupts which might cause a timeout here */ | |
53677ef1 | 997 | flag = disable_interrupts (); |
fe8c2806 | 998 | |
53677ef1 WD |
999 | if (info->flash_id > FLASH_AMD_COMP) { |
1000 | /* AMD stuff */ | |
1001 | addr[0x0555] = 0x00AA00AA; | |
1002 | addr[0x02AA] = 0x00550055; | |
1003 | addr[0x0555] = 0x00A000A0; | |
1004 | } else { | |
1005 | /* intel stuff */ | |
1006 | *addr = 0x00400040; | |
1007 | } | |
1008 | *((vu_long *) dest) = data; | |
fe8c2806 WD |
1009 | |
1010 | /* re-enable interrupts if necessary */ | |
1011 | if (flag) | |
53677ef1 | 1012 | enable_interrupts (); |
fe8c2806 WD |
1013 | |
1014 | /* data polling for D7 */ | |
1015 | start = get_timer (0); | |
1016 | ||
53677ef1 | 1017 | if (info->flash_id > FLASH_AMD_COMP) { |
fe8c2806 | 1018 | |
53677ef1 WD |
1019 | while ((*((vu_long *) dest) & 0x00800080) != |
1020 | (data & 0x00800080)) { | |
1021 | if (get_timer (start) > CFG_FLASH_WRITE_TOUT) { | |
1022 | return (1); | |
1023 | } | |
fe8c2806 | 1024 | } |
fe8c2806 | 1025 | |
53677ef1 | 1026 | } else { |
fe8c2806 | 1027 | |
53677ef1 WD |
1028 | while (!(addr[0] & 0x00800080)) { /* wait for error or finish */ |
1029 | if (get_timer (start) > CFG_FLASH_WRITE_TOUT) { | |
1030 | return (1); | |
1031 | } | |
fe8c2806 | 1032 | |
53677ef1 WD |
1033 | if (addr[0] & 0x003A003A) { /* check for error */ |
1034 | barf = addr[0] & 0x003A0000; | |
1035 | if (barf) { | |
1036 | barf >>= 16; | |
1037 | } else { | |
1038 | barf = addr[0] & 0x0000003A; | |
1039 | } | |
1040 | printf ("\nFlash write error at address %lx\n", | |
1041 | (unsigned long) dest); | |
1042 | if (barf & 0x0002) | |
1043 | printf ("Block locked, not erased.\n"); | |
1044 | if (barf & 0x0010) | |
1045 | printf ("Programming error.\n"); | |
1046 | if (barf & 0x0008) | |
1047 | printf ("Vpp Low error.\n"); | |
1048 | return (2); | |
1049 | } | |
fe8c2806 WD |
1050 | |
1051 | ||
53677ef1 | 1052 | } |
fe8c2806 | 1053 | |
53677ef1 | 1054 | return (0); |
fe8c2806 | 1055 | |
53677ef1 | 1056 | } |
fe8c2806 WD |
1057 | |
1058 | #else | |
1059 | ||
53677ef1 | 1060 | static int write_short (flash_info_t * info, ulong dest, ushort data) |
fe8c2806 | 1061 | { |
53677ef1 WD |
1062 | vu_short *addr = (vu_short *) (info->start[0]); |
1063 | ulong start, barf; | |
fe8c2806 WD |
1064 | int flag; |
1065 | ||
1066 | /* Check if Flash is (sufficiently) erased */ | |
53677ef1 | 1067 | if ((*((vu_short *) dest) & data) != data) { |
fe8c2806 WD |
1068 | return (2); |
1069 | } | |
1070 | ||
1071 | /* Disable interrupts which might cause a timeout here */ | |
53677ef1 | 1072 | flag = disable_interrupts (); |
fe8c2806 | 1073 | |
53677ef1 WD |
1074 | if (info->flash_id < FLASH_AMD_COMP) { |
1075 | /* AMD stuff */ | |
1076 | addr[0x0555] = 0x00AA; | |
1077 | addr[0x02AA] = 0x0055; | |
1078 | addr[0x0555] = 0x00A0; | |
1079 | } else { | |
1080 | /* intel stuff */ | |
1081 | *addr = 0x00D0; | |
1082 | *addr = 0x0040; | |
1083 | } | |
1084 | *((vu_short *) dest) = data; | |
fe8c2806 WD |
1085 | |
1086 | /* re-enable interrupts if necessary */ | |
1087 | if (flag) | |
53677ef1 | 1088 | enable_interrupts (); |
fe8c2806 WD |
1089 | |
1090 | /* data polling for D7 */ | |
1091 | start = get_timer (0); | |
1092 | ||
53677ef1 WD |
1093 | if (info->flash_id < FLASH_AMD_COMP) { |
1094 | /* AMD stuff */ | |
1095 | while ((*((vu_short *) dest) & 0x0080) != (data & 0x0080)) { | |
1096 | if (get_timer (start) > CFG_FLASH_WRITE_TOUT) { | |
1097 | return (1); | |
1098 | } | |
fe8c2806 | 1099 | } |
fe8c2806 | 1100 | |
53677ef1 WD |
1101 | } else { |
1102 | /* intel stuff */ | |
1103 | while (!(addr[0] & 0x0080)) { /* wait for error or finish */ | |
1104 | if (get_timer (start) > CFG_FLASH_WRITE_TOUT) | |
1105 | return (1); | |
1106 | } | |
fe8c2806 | 1107 | |
53677ef1 WD |
1108 | if (addr[0] & 0x003A) { /* check for error */ |
1109 | barf = addr[0] & 0x003A; | |
1110 | printf ("\nFlash write error at address %lx\n", | |
1111 | (unsigned long) dest); | |
1112 | if (barf & 0x0002) | |
1113 | printf ("Block locked, not erased.\n"); | |
1114 | if (barf & 0x0010) | |
1115 | printf ("Programming error.\n"); | |
1116 | if (barf & 0x0008) | |
1117 | printf ("Vpp Low error.\n"); | |
1118 | return (2); | |
1119 | } | |
1120 | *addr = 0x00B0; | |
1121 | *addr = 0x0070; | |
1122 | while (!(addr[0] & 0x0080)) { /* wait for error or finish */ | |
1123 | if (get_timer (start) > CFG_FLASH_WRITE_TOUT) | |
1124 | return (1); | |
1125 | } | |
1126 | *addr = 0x00FF; | |
fe8c2806 | 1127 | } |
fe8c2806 | 1128 | return (0); |
fe8c2806 | 1129 | } |
fe8c2806 | 1130 | #endif |
53677ef1 | 1131 | /*-----------------------------------------------------------------------*/ |