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3bbc899f WD |
1 | /* |
2 | * (C) Copyright 2003 | |
3 | * MuLogic B.V. | |
4 | * | |
5 | * (C) Copyright 2001 | |
6 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
7 | * | |
8 | * See file CREDITS for list of people who contributed to this | |
9 | * project. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License as | |
13 | * published by the Free Software Foundation; either version 2 of | |
14 | * the License, or (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
24 | * MA 02111-1307 USA | |
25 | */ | |
26 | ||
27 | #include <common.h> | |
28 | #include <ppc4xx.h> | |
29 | #include <asm/u-boot.h> | |
30 | #include <asm/processor.h> | |
31 | ||
6d0f6bcf | 32 | flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ |
3bbc899f WD |
33 | |
34 | ||
6d0f6bcf | 35 | #ifdef CONFIG_SYS_FLASH_16BIT |
3bbc899f WD |
36 | #define FLASH_WORD_SIZE unsigned short |
37 | #define FLASH_ID_MASK 0xFFFF | |
38 | #else | |
39 | #define FLASH_WORD_SIZE unsigned long | |
40 | #define FLASH_ID_MASK 0xFFFFFFFF | |
41 | #endif | |
42 | ||
43 | /*----------------------------------------------------------------------- | |
44 | * Functions | |
45 | */ | |
46 | /* stolen from esteem192e/flash.c */ | |
47 | ulong flash_get_size (volatile FLASH_WORD_SIZE *addr, flash_info_t *info); | |
48 | ||
6d0f6bcf | 49 | #ifndef CONFIG_SYS_FLASH_16BIT |
3bbc899f WD |
50 | static int write_word (flash_info_t *info, ulong dest, ulong data); |
51 | #else | |
52 | static int write_short (flash_info_t *info, ulong dest, ushort data); | |
53 | #endif | |
54 | static void flash_get_offsets (ulong base, flash_info_t *info); | |
55 | ||
56 | ||
57 | /*----------------------------------------------------------------------- | |
58 | */ | |
59 | ||
60 | unsigned long flash_init (void) | |
61 | { | |
62 | unsigned long size_b0, size_b1; | |
63 | int i; | |
64 | uint pbcr; | |
65 | unsigned long base_b0, base_b1; | |
66 | ||
67 | /* Init: no FLASHes known */ | |
6d0f6bcf | 68 | for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { |
3bbc899f WD |
69 | flash_info[i].flash_id = FLASH_UNKNOWN; |
70 | } | |
71 | ||
72 | /* Static FLASH Bank configuration here - FIXME XXX */ | |
73 | ||
74 | size_b0 = flash_get_size((volatile FLASH_WORD_SIZE *)FLASH_BASE1_PRELIM, &flash_info[0]); | |
75 | ||
76 | if (flash_info[0].flash_id == FLASH_UNKNOWN) { | |
77 | printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", | |
78 | size_b0, size_b0<<20); | |
79 | } | |
80 | ||
81 | /* Only one bank */ | |
6d0f6bcf | 82 | if (CONFIG_SYS_MAX_FLASH_BANKS == 1) { |
3bbc899f WD |
83 | /* Setup offsets */ |
84 | flash_get_offsets (FLASH_BASE1_PRELIM, &flash_info[0]); | |
85 | ||
86 | /* Monitor protection ON by default */ | |
87 | #if 0 /* sand: */ | |
88 | (void)flash_protect(FLAG_PROTECT_SET, | |
6d0f6bcf | 89 | FLASH_BASE1_PRELIM-CONFIG_SYS_MONITOR_LEN+size_b0, |
3bbc899f WD |
90 | FLASH_BASE1_PRELIM-1+size_b0, |
91 | &flash_info[0]); | |
92 | #else | |
93 | (void)flash_protect(FLAG_PROTECT_SET, | |
6d0f6bcf JCPV |
94 | CONFIG_SYS_MONITOR_BASE, |
95 | CONFIG_SYS_MONITOR_BASE+CONFIG_SYS_MONITOR_LEN-1, | |
3bbc899f WD |
96 | &flash_info[0]); |
97 | #endif | |
98 | size_b1 = 0 ; | |
99 | flash_info[0].size = size_b0; | |
53677ef1 | 100 | } else { /* 2 banks */ |
3bbc899f WD |
101 | size_b1 = flash_get_size((volatile FLASH_WORD_SIZE *)FLASH_BASE1_PRELIM, &flash_info[1]); |
102 | ||
103 | /* Re-do sizing to get full correct info */ | |
53677ef1 | 104 | if (size_b1) { |
3bbc899f WD |
105 | mtdcr(ebccfga, pb0cr); |
106 | pbcr = mfdcr(ebccfgd); | |
107 | mtdcr(ebccfga, pb0cr); | |
108 | base_b1 = -size_b1; | |
109 | pbcr = (pbcr & 0x0001ffff) | base_b1 | (((size_b1/1024/1024)-1)<<17); | |
110 | mtdcr(ebccfgd, pbcr); | |
111 | } | |
112 | ||
53677ef1 | 113 | if (size_b0) { |
3bbc899f WD |
114 | mtdcr(ebccfga, pb1cr); |
115 | pbcr = mfdcr(ebccfgd); | |
116 | mtdcr(ebccfga, pb1cr); | |
117 | base_b0 = base_b1 - size_b0; | |
118 | pbcr = (pbcr & 0x0001ffff) | base_b0 | (((size_b0/1024/1024)-1)<<17); | |
119 | mtdcr(ebccfgd, pbcr); | |
120 | } | |
121 | ||
122 | size_b0 = flash_get_size((volatile FLASH_WORD_SIZE *)base_b0, &flash_info[0]); | |
123 | ||
124 | flash_get_offsets (base_b0, &flash_info[0]); | |
125 | ||
126 | /* monitor protection ON by default */ | |
127 | #if 0 /* sand: */ | |
128 | (void)flash_protect(FLAG_PROTECT_SET, | |
6d0f6bcf | 129 | FLASH_BASE1_PRELIM-CONFIG_SYS_MONITOR_LEN+size_b0, |
3bbc899f WD |
130 | FLASH_BASE1_PRELIM-1+size_b0, |
131 | &flash_info[0]); | |
132 | #else | |
133 | (void)flash_protect(FLAG_PROTECT_SET, | |
6d0f6bcf JCPV |
134 | CONFIG_SYS_MONITOR_BASE, |
135 | CONFIG_SYS_MONITOR_BASE+CONFIG_SYS_MONITOR_LEN-1, | |
3bbc899f WD |
136 | &flash_info[0]); |
137 | #endif | |
138 | ||
139 | if (size_b1) { | |
140 | /* Re-do sizing to get full correct info */ | |
141 | size_b1 = flash_get_size((volatile FLASH_WORD_SIZE *)base_b1, &flash_info[1]); | |
142 | ||
143 | flash_get_offsets (base_b1, &flash_info[1]); | |
144 | ||
145 | /* monitor protection ON by default */ | |
146 | (void)flash_protect(FLAG_PROTECT_SET, | |
6d0f6bcf | 147 | base_b1+size_b1-CONFIG_SYS_MONITOR_LEN, |
3bbc899f WD |
148 | base_b1+size_b1-1, |
149 | &flash_info[1]); | |
150 | /* monitor protection OFF by default (one is enough) */ | |
151 | (void)flash_protect(FLAG_PROTECT_CLEAR, | |
6d0f6bcf | 152 | base_b0+size_b0-CONFIG_SYS_MONITOR_LEN, |
3bbc899f WD |
153 | base_b0+size_b0-1, |
154 | &flash_info[0]); | |
155 | } else { | |
156 | flash_info[1].flash_id = FLASH_UNKNOWN; | |
157 | flash_info[1].sector_count = -1; | |
158 | } | |
159 | ||
160 | flash_info[0].size = size_b0; | |
161 | flash_info[1].size = size_b1; | |
162 | }/* else 2 banks */ | |
163 | return (size_b0 + size_b1); | |
164 | } | |
165 | ||
166 | ||
3bbc899f WD |
167 | /*----------------------------------------------------------------------- |
168 | */ | |
169 | ||
170 | static void flash_get_offsets (ulong base, flash_info_t *info) | |
171 | { | |
172 | int i; | |
173 | ||
174 | /* set up sector start adress table */ | |
175 | if ((info->flash_id & FLASH_TYPEMASK) == INTEL_ID_28F320J3A || | |
176 | (info->flash_id & FLASH_TYPEMASK) == INTEL_ID_28F640J3A || | |
177 | (info->flash_id & FLASH_TYPEMASK) == INTEL_ID_28F128J3A) { | |
178 | for (i = 0; i < info->sector_count; i++) { | |
179 | info->start[i] = base + (i * info->size/info->sector_count); | |
180 | } | |
181 | } | |
182 | else if (info->flash_id & FLASH_BTYPE) { | |
183 | if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { | |
184 | ||
6d0f6bcf | 185 | #ifndef CONFIG_SYS_FLASH_16BIT |
3bbc899f WD |
186 | /* set sector offsets for bottom boot block type */ |
187 | info->start[0] = base + 0x00000000; | |
188 | info->start[1] = base + 0x00004000; | |
189 | info->start[2] = base + 0x00008000; | |
190 | info->start[3] = base + 0x0000C000; | |
191 | info->start[4] = base + 0x00010000; | |
192 | info->start[5] = base + 0x00014000; | |
193 | info->start[6] = base + 0x00018000; | |
194 | info->start[7] = base + 0x0001C000; | |
195 | for (i = 8; i < info->sector_count; i++) { | |
196 | info->start[i] = base + (i * 0x00020000) - 0x000E0000; | |
197 | } | |
198 | } else { | |
199 | /* set sector offsets for bottom boot block type */ | |
200 | info->start[0] = base + 0x00000000; | |
201 | info->start[1] = base + 0x00008000; | |
202 | info->start[2] = base + 0x0000C000; | |
203 | info->start[3] = base + 0x00010000; | |
204 | for (i = 4; i < info->sector_count; i++) { | |
205 | info->start[i] = base + (i * 0x00020000) - 0x00060000; | |
206 | } | |
207 | } | |
208 | #else | |
209 | /* set sector offsets for bottom boot block type */ | |
210 | info->start[0] = base + 0x00000000; | |
211 | info->start[1] = base + 0x00002000; | |
212 | info->start[2] = base + 0x00004000; | |
213 | info->start[3] = base + 0x00006000; | |
214 | info->start[4] = base + 0x00008000; | |
215 | info->start[5] = base + 0x0000A000; | |
216 | info->start[6] = base + 0x0000C000; | |
217 | info->start[7] = base + 0x0000E000; | |
218 | for (i = 8; i < info->sector_count; i++) { | |
219 | info->start[i] = base + (i * 0x00010000) - 0x00070000; | |
220 | } | |
221 | } else { | |
222 | /* set sector offsets for bottom boot block type */ | |
223 | info->start[0] = base + 0x00000000; | |
224 | info->start[1] = base + 0x00004000; | |
225 | info->start[2] = base + 0x00006000; | |
226 | info->start[3] = base + 0x00008000; | |
227 | for (i = 4; i < info->sector_count; i++) { | |
228 | info->start[i] = base + (i * 0x00010000) - 0x00030000; | |
229 | } | |
230 | } | |
231 | #endif | |
232 | } else { | |
233 | /* set sector offsets for top boot block type */ | |
234 | i = info->sector_count - 1; | |
235 | if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { | |
236 | ||
6d0f6bcf | 237 | #ifndef CONFIG_SYS_FLASH_16BIT |
3bbc899f WD |
238 | info->start[i--] = base + info->size - 0x00004000; |
239 | info->start[i--] = base + info->size - 0x00008000; | |
240 | info->start[i--] = base + info->size - 0x0000C000; | |
241 | info->start[i--] = base + info->size - 0x00010000; | |
242 | info->start[i--] = base + info->size - 0x00014000; | |
243 | info->start[i--] = base + info->size - 0x00018000; | |
244 | info->start[i--] = base + info->size - 0x0001C000; | |
245 | for (; i >= 0; i--) { | |
246 | info->start[i] = base + i * 0x00020000; | |
247 | } | |
248 | } else { | |
249 | ||
250 | info->start[i--] = base + info->size - 0x00008000; | |
251 | info->start[i--] = base + info->size - 0x0000C000; | |
252 | info->start[i--] = base + info->size - 0x00010000; | |
253 | for (; i >= 0; i--) { | |
254 | info->start[i] = base + i * 0x00020000; | |
255 | } | |
256 | } | |
257 | #else | |
258 | info->start[i--] = base + info->size - 0x00002000; | |
259 | info->start[i--] = base + info->size - 0x00004000; | |
260 | info->start[i--] = base + info->size - 0x00006000; | |
261 | info->start[i--] = base + info->size - 0x00008000; | |
262 | info->start[i--] = base + info->size - 0x0000A000; | |
263 | info->start[i--] = base + info->size - 0x0000C000; | |
264 | info->start[i--] = base + info->size - 0x0000E000; | |
265 | for (; i >= 0; i--) { | |
266 | info->start[i] = base + i * 0x00010000; | |
267 | } | |
268 | } else { | |
269 | info->start[i--] = base + info->size - 0x00004000; | |
270 | info->start[i--] = base + info->size - 0x00006000; | |
271 | info->start[i--] = base + info->size - 0x00008000; | |
272 | for (; i >= 0; i--) { | |
273 | info->start[i] = base + i * 0x00010000; | |
274 | } | |
275 | } | |
276 | #endif | |
277 | } | |
278 | } | |
279 | ||
280 | /*----------------------------------------------------------------------- | |
281 | */ | |
282 | ||
283 | void flash_print_info (flash_info_t *info) | |
284 | { | |
285 | int i; | |
286 | uchar *boottype; | |
287 | uchar botboot[]=", bottom boot sect)\n"; | |
288 | uchar topboot[]=", top boot sector)\n"; | |
289 | ||
290 | if (info->flash_id == FLASH_UNKNOWN) { | |
291 | printf ("missing or unknown FLASH type\n"); | |
292 | return; | |
293 | } | |
294 | ||
295 | switch (info->flash_id & FLASH_VENDMASK) { | |
296 | case FLASH_MAN_AMD: printf ("AMD "); break; | |
297 | case FLASH_MAN_FUJ: printf ("FUJITSU "); break; | |
298 | case FLASH_MAN_SST: printf ("SST "); break; | |
299 | case FLASH_MAN_STM: printf ("STM "); break; | |
300 | case FLASH_MAN_INTEL: printf ("INTEL "); break; | |
301 | default: printf ("Unknown Vendor "); break; | |
302 | } | |
303 | ||
304 | if (info->flash_id & 0x0001 ) { | |
305 | boottype = botboot; | |
306 | } else { | |
307 | boottype = topboot; | |
308 | } | |
309 | ||
310 | switch (info->flash_id & FLASH_TYPEMASK) { | |
311 | case FLASH_AM400B: printf ("AM29LV400B (4 Mbit%s",boottype); | |
312 | break; | |
313 | case FLASH_AM400T: printf ("AM29LV400T (4 Mbit%s",boottype); | |
314 | break; | |
315 | case FLASH_AM800B: printf ("AM29LV800B (8 Mbit%s",boottype); | |
316 | break; | |
317 | case FLASH_AM800T: printf ("AM29LV800T (8 Mbit%s",boottype); | |
318 | break; | |
319 | case FLASH_AM160B: printf ("AM29LV160B (16 Mbit%s",boottype); | |
320 | break; | |
321 | case FLASH_AM160T: printf ("AM29LV160T (16 Mbit%s",boottype); | |
322 | break; | |
323 | case FLASH_AM320B: printf ("AM29LV320B (32 Mbit%s",boottype); | |
324 | break; | |
325 | case FLASH_AM320T: printf ("AM29LV320T (32 Mbit%s",boottype); | |
326 | break; | |
327 | case FLASH_INTEL800B: printf ("INTEL28F800B (8 Mbit%s",boottype); | |
328 | break; | |
329 | case FLASH_INTEL800T: printf ("INTEL28F800T (8 Mbit%s",boottype); | |
330 | break; | |
331 | case FLASH_INTEL160B: printf ("INTEL28F160B (16 Mbit%s",boottype); | |
332 | break; | |
333 | case FLASH_INTEL160T: printf ("INTEL28F160T (16 Mbit%s",boottype); | |
334 | break; | |
335 | case FLASH_INTEL320B: printf ("INTEL28F320B (32 Mbit%s",boottype); | |
336 | break; | |
337 | case FLASH_INTEL320T: printf ("INTEL28F320T (32 Mbit%s",boottype); | |
338 | break; | |
339 | case FLASH_AMDL322T: printf ("AM29DL322T (32 Mbit%s",boottype); | |
340 | break; | |
341 | ||
342 | #if 0 /* enable when devices are available */ | |
343 | ||
344 | case FLASH_INTEL640B: printf ("INTEL28F640B (64 Mbit%s",boottype); | |
345 | break; | |
346 | case FLASH_INTEL640T: printf ("INTEL28F640T (64 Mbit%s",boottype); | |
347 | break; | |
348 | #endif | |
349 | case INTEL_ID_28F320J3A: printf ("INTEL28F320JA3 (32 Mbit%s",boottype); | |
350 | break; | |
351 | case INTEL_ID_28F640J3A: printf ("INTEL28F640JA3 (64 Mbit%s",boottype); | |
352 | break; | |
353 | case INTEL_ID_28F128J3A: printf ("INTEL28F128JA3 (128 Mbit%s",boottype); | |
354 | break; | |
355 | ||
356 | default: printf ("Unknown Chip Type\n"); | |
357 | break; | |
358 | } | |
359 | ||
360 | printf (" Size: %ld MB in %d Sectors\n", | |
361 | info->size >> 20, info->sector_count); | |
362 | ||
363 | printf (" Sector Start Addresses:"); | |
364 | for (i=0; i<info->sector_count; ++i) { | |
365 | if ((i % 5) == 0) | |
366 | printf ("\n "); | |
367 | printf (" %08lX%s", | |
368 | info->start[i], | |
369 | info->protect[i] ? " (RO)" : " " | |
370 | ); | |
371 | } | |
372 | printf ("\n"); | |
373 | return; | |
374 | } | |
375 | ||
376 | ||
377 | /*----------------------------------------------------------------------- | |
378 | */ | |
379 | ||
380 | ||
381 | /*----------------------------------------------------------------------- | |
382 | */ | |
383 | ||
384 | /* | |
385 | * The following code cannot be run from FLASH! | |
386 | */ | |
387 | ulong flash_get_size (volatile FLASH_WORD_SIZE *addr, flash_info_t *info) | |
388 | { | |
389 | short i; | |
390 | ulong base = (ulong)addr; | |
391 | FLASH_WORD_SIZE value; | |
392 | ||
393 | /* Write auto select command: read Manufacturer ID */ | |
394 | ||
395 | ||
6d0f6bcf | 396 | #ifndef CONFIG_SYS_FLASH_16BIT |
3bbc899f WD |
397 | |
398 | /* | |
399 | * Note: if it is an AMD flash and the word at addr[0000] | |
400 | * is 0x00890089 this routine will think it is an Intel | |
401 | * flash device and may(most likely) cause trouble. | |
402 | */ | |
403 | ||
404 | addr[0x0000] = 0x00900090; | |
405 | if(addr[0x0000] != 0x00890089){ | |
406 | addr[0x0555] = 0x00AA00AA; | |
407 | addr[0x02AA] = 0x00550055; | |
408 | addr[0x0555] = 0x00900090; | |
409 | #else | |
410 | ||
411 | /* | |
412 | * Note: if it is an AMD flash and the word at addr[0000] | |
413 | * is 0x0089 this routine will think it is an Intel | |
414 | * flash device and may(most likely) cause trouble. | |
415 | */ | |
416 | ||
417 | addr[0x0000] = 0x0090; | |
418 | ||
419 | if(addr[0x0000] != 0x0089){ | |
420 | addr[0x0555] = 0x00AA; | |
421 | addr[0x02AA] = 0x0055; | |
422 | addr[0x0555] = 0x0090; | |
423 | #endif | |
424 | } | |
425 | value = addr[0]; | |
426 | ||
427 | switch (value) { | |
428 | case (AMD_MANUFACT & FLASH_ID_MASK): | |
429 | info->flash_id = FLASH_MAN_AMD; | |
430 | break; | |
431 | case (FUJ_MANUFACT & FLASH_ID_MASK): | |
432 | info->flash_id = FLASH_MAN_FUJ; | |
433 | break; | |
434 | case (STM_MANUFACT & FLASH_ID_MASK): | |
435 | info->flash_id = FLASH_MAN_STM; | |
436 | break; | |
437 | case (SST_MANUFACT & FLASH_ID_MASK): | |
438 | info->flash_id = FLASH_MAN_SST; | |
439 | break; | |
440 | case (INTEL_MANUFACT & FLASH_ID_MASK): | |
441 | info->flash_id = FLASH_MAN_INTEL; | |
442 | break; | |
443 | default: | |
444 | info->flash_id = FLASH_UNKNOWN; | |
445 | info->sector_count = 0; | |
446 | info->size = 0; | |
447 | return (0); /* no or unknown flash */ | |
448 | ||
449 | } | |
450 | ||
451 | value = addr[1]; /* device ID */ | |
452 | ||
453 | switch (value) { | |
454 | ||
455 | case (AMD_ID_LV400T & FLASH_ID_MASK): | |
456 | info->flash_id += FLASH_AM400T; | |
457 | info->sector_count = 11; | |
458 | info->size = 0x00100000; | |
459 | break; /* => 1 MB */ | |
460 | ||
461 | case (AMD_ID_LV400B & FLASH_ID_MASK): | |
462 | info->flash_id += FLASH_AM400B; | |
463 | info->sector_count = 11; | |
464 | info->size = 0x00100000; | |
465 | break; /* => 1 MB */ | |
466 | ||
467 | case (AMD_ID_LV800T & FLASH_ID_MASK): | |
468 | info->flash_id += FLASH_AM800T; | |
469 | info->sector_count = 19; | |
470 | info->size = 0x00200000; | |
471 | break; /* => 2 MB */ | |
472 | ||
473 | case (AMD_ID_LV800B & FLASH_ID_MASK): | |
474 | info->flash_id += FLASH_AM800B; | |
475 | info->sector_count = 19; | |
476 | info->size = 0x00200000; | |
477 | break; /* => 2 MB */ | |
478 | ||
479 | case (AMD_ID_LV160T & FLASH_ID_MASK): | |
480 | info->flash_id += FLASH_AM160T; | |
481 | info->sector_count = 35; | |
482 | info->size = 0x00400000; | |
483 | break; /* => 4 MB */ | |
484 | ||
485 | case (AMD_ID_LV160B & FLASH_ID_MASK): | |
486 | info->flash_id += FLASH_AM160B; | |
487 | info->sector_count = 35; | |
488 | info->size = 0x00400000; | |
489 | break; /* => 4 MB */ | |
490 | #if 0 /* enable when device IDs are available */ | |
491 | case (AMD_ID_LV320T & FLASH_ID_MASK): | |
492 | info->flash_id += FLASH_AM320T; | |
493 | info->sector_count = 67; | |
494 | info->size = 0x00800000; | |
495 | break; /* => 8 MB */ | |
496 | ||
497 | case (AMD_ID_LV320B & FLASH_ID_MASK): | |
498 | info->flash_id += FLASH_AM320B; | |
499 | info->sector_count = 67; | |
500 | info->size = 0x00800000; | |
501 | break; /* => 8 MB */ | |
502 | #endif | |
503 | ||
504 | case (AMD_ID_DL322T & FLASH_ID_MASK): | |
505 | info->flash_id += FLASH_AMDL322T; | |
506 | info->sector_count = 71; | |
507 | info->size = 0x00800000; | |
508 | break; /* => 8 MB */ | |
509 | ||
510 | case (INTEL_ID_28F800B3T & FLASH_ID_MASK): | |
511 | info->flash_id += FLASH_INTEL800T; | |
512 | info->sector_count = 23; | |
513 | info->size = 0x00200000; | |
514 | break; /* => 2 MB */ | |
515 | ||
516 | case (INTEL_ID_28F800B3B & FLASH_ID_MASK): | |
517 | info->flash_id += FLASH_INTEL800B; | |
518 | info->sector_count = 23; | |
519 | info->size = 0x00200000; | |
520 | break; /* => 2 MB */ | |
521 | ||
522 | case (INTEL_ID_28F160B3T & FLASH_ID_MASK): | |
523 | info->flash_id += FLASH_INTEL160T; | |
524 | info->sector_count = 39; | |
525 | info->size = 0x00400000; | |
526 | break; /* => 4 MB */ | |
527 | ||
528 | case (INTEL_ID_28F160B3B & FLASH_ID_MASK): | |
529 | info->flash_id += FLASH_INTEL160B; | |
530 | info->sector_count = 39; | |
531 | info->size = 0x00400000; | |
532 | break; /* => 4 MB */ | |
533 | ||
534 | case (INTEL_ID_28F320B3T & FLASH_ID_MASK): | |
535 | info->flash_id += FLASH_INTEL320T; | |
536 | info->sector_count = 71; | |
537 | info->size = 0x00800000; | |
538 | break; /* => 8 MB */ | |
539 | ||
540 | case (INTEL_ID_28F320B3B & FLASH_ID_MASK): | |
541 | info->flash_id += FLASH_AM320B; | |
542 | info->sector_count = 71; | |
543 | info->size = 0x00800000; | |
544 | break; /* => 8 MB */ | |
545 | ||
546 | #if 0 /* enable when devices are available */ | |
547 | case (INTEL_ID_28F320B3T & FLASH_ID_MASK): | |
548 | info->flash_id += FLASH_INTEL320T; | |
549 | info->sector_count = 135; | |
550 | info->size = 0x01000000; | |
551 | break; /* => 16 MB */ | |
552 | ||
553 | case (INTEL_ID_28F320B3B & FLASH_ID_MASK): | |
554 | info->flash_id += FLASH_AM320B; | |
555 | info->sector_count = 135; | |
556 | info->size = 0x01000000; | |
557 | break; /* => 16 MB */ | |
558 | #endif | |
559 | case (INTEL_ID_28F320J3A & FLASH_ID_MASK): | |
560 | info->flash_id += FLASH_28F320J3A; | |
561 | info->sector_count = 32; | |
562 | info->size = 0x00400000; | |
53677ef1 | 563 | break; /* => 32 MBit */ |
3bbc899f WD |
564 | case (INTEL_ID_28F640J3A & FLASH_ID_MASK): |
565 | info->flash_id += FLASH_28F640J3A; | |
566 | info->sector_count = 64; | |
567 | info->size = 0x00800000; | |
53677ef1 | 568 | break; /* => 64 MBit */ |
3bbc899f WD |
569 | case (INTEL_ID_28F128J3A & FLASH_ID_MASK): |
570 | info->flash_id += FLASH_28F128J3A; | |
571 | info->sector_count = 128; | |
572 | info->size = 0x01000000; | |
53677ef1 | 573 | break; /* => 128 MBit */ |
3bbc899f WD |
574 | |
575 | default: | |
576 | /* FIXME*/ | |
577 | info->flash_id = FLASH_UNKNOWN; | |
578 | return (0); /* => no or unknown flash */ | |
579 | } | |
580 | ||
581 | flash_get_offsets(base, info); | |
582 | ||
583 | /* check for protected sectors */ | |
584 | for (i = 0; i < info->sector_count; i++) { | |
585 | /* read sector protection at sector address, (A7 .. A0) = 0x02 */ | |
586 | /* D0 = 1 if protected */ | |
587 | addr = (volatile FLASH_WORD_SIZE *)(info->start[i]); | |
588 | info->protect[i] = addr[2] & 1; | |
589 | } | |
590 | ||
591 | /* | |
592 | * Prevent writes to uninitialized FLASH. | |
593 | */ | |
594 | if (info->flash_id != FLASH_UNKNOWN) { | |
595 | addr = (volatile FLASH_WORD_SIZE *)info->start[0]; | |
596 | if( (info->flash_id & 0xFF00) == FLASH_MAN_INTEL){ | |
597 | *addr = (0x00F000F0 & FLASH_ID_MASK); /* reset bank */ | |
598 | } else { | |
599 | *addr = (0x00FF00FF & FLASH_ID_MASK); /* reset bank */ | |
600 | } | |
601 | } | |
602 | ||
603 | return (info->size); | |
604 | } | |
605 | ||
606 | ||
607 | /*----------------------------------------------------------------------- | |
608 | */ | |
609 | ||
53677ef1 | 610 | int flash_erase (flash_info_t * info, int s_first, int s_last) |
3bbc899f WD |
611 | { |
612 | ||
53677ef1 WD |
613 | volatile FLASH_WORD_SIZE *addr = |
614 | (volatile FLASH_WORD_SIZE *) (info->start[0]); | |
3bbc899f WD |
615 | int flag, prot, sect, l_sect, barf; |
616 | ulong start, now, last; | |
617 | int rcode = 0; | |
618 | ||
619 | if ((s_first < 0) || (s_first > s_last)) { | |
620 | if (info->flash_id == FLASH_UNKNOWN) { | |
621 | printf ("- missing\n"); | |
622 | } else { | |
623 | printf ("- no sectors to erase\n"); | |
624 | } | |
625 | return 1; | |
626 | } | |
627 | ||
628 | if ((info->flash_id == FLASH_UNKNOWN) || | |
53677ef1 WD |
629 | ((info->flash_id > FLASH_AMD_COMP) && |
630 | ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL))) { | |
3bbc899f WD |
631 | printf ("Can't erase unknown flash type - aborted\n"); |
632 | return 1; | |
633 | } | |
634 | ||
635 | prot = 0; | |
53677ef1 | 636 | for (sect = s_first; sect <= s_last; ++sect) { |
3bbc899f WD |
637 | if (info->protect[sect]) { |
638 | prot++; | |
639 | } | |
640 | } | |
641 | ||
642 | if (prot) { | |
53677ef1 | 643 | printf ("- Warning: %d protected sectors will not be erased!\n", prot); |
3bbc899f WD |
644 | } else { |
645 | printf ("\n"); | |
646 | } | |
647 | ||
648 | l_sect = -1; | |
649 | ||
650 | /* Disable interrupts which might cause a timeout here */ | |
53677ef1 WD |
651 | flag = disable_interrupts (); |
652 | if (info->flash_id < FLASH_AMD_COMP) { | |
6d0f6bcf | 653 | #ifndef CONFIG_SYS_FLASH_16BIT |
53677ef1 WD |
654 | addr[0x0555] = 0x00AA00AA; |
655 | addr[0x02AA] = 0x00550055; | |
656 | addr[0x0555] = 0x00800080; | |
657 | addr[0x0555] = 0x00AA00AA; | |
658 | addr[0x02AA] = 0x00550055; | |
3bbc899f | 659 | #else |
53677ef1 WD |
660 | addr[0x0555] = 0x00AA; |
661 | addr[0x02AA] = 0x0055; | |
662 | addr[0x0555] = 0x0080; | |
663 | addr[0x0555] = 0x00AA; | |
664 | addr[0x02AA] = 0x0055; | |
3bbc899f | 665 | #endif |
53677ef1 WD |
666 | /* Start erase on unprotected sectors */ |
667 | for (sect = s_first; sect <= s_last; sect++) { | |
668 | if (info->protect[sect] == 0) { /* not protected */ | |
669 | addr = (volatile FLASH_WORD_SIZE *) (info->start[sect]); | |
670 | addr[0] = (0x00300030 & FLASH_ID_MASK); | |
671 | l_sect = sect; | |
672 | } | |
3bbc899f | 673 | } |
3bbc899f | 674 | |
53677ef1 WD |
675 | /* re-enable interrupts if necessary */ |
676 | if (flag) | |
677 | enable_interrupts (); | |
678 | ||
679 | /* wait at least 80us - let's wait 1 ms */ | |
680 | udelay (1000); | |
681 | ||
682 | /* | |
683 | * We wait for the last triggered sector | |
684 | */ | |
685 | if (l_sect < 0) | |
686 | goto DONE; | |
687 | ||
688 | start = get_timer (0); | |
689 | last = start; | |
690 | addr = (volatile FLASH_WORD_SIZE *) (info->start[l_sect]); | |
691 | while ((addr[0] & (0x00800080 & FLASH_ID_MASK)) != | |
692 | (0x00800080 & FLASH_ID_MASK)) { | |
6d0f6bcf | 693 | if ((now = get_timer (start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { |
53677ef1 WD |
694 | printf ("Timeout\n"); |
695 | return 1; | |
696 | } | |
697 | /* show that we're waiting */ | |
698 | if ((now - last) > 1000) { /* every second */ | |
699 | serial_putc ('.'); | |
700 | last = now; | |
701 | } | |
3bbc899f | 702 | } |
3bbc899f | 703 | |
53677ef1 WD |
704 | DONE: |
705 | /* reset to read mode */ | |
706 | addr = (volatile FLASH_WORD_SIZE *) info->start[0]; | |
707 | addr[0] = (0x00F000F0 & FLASH_ID_MASK); /* reset bank */ | |
708 | } else { | |
3bbc899f WD |
709 | |
710 | ||
53677ef1 WD |
711 | for (sect = s_first; sect <= s_last; sect++) { |
712 | if (info->protect[sect] == 0) { /* not protected */ | |
713 | barf = 0; | |
6d0f6bcf | 714 | #ifndef CONFIG_SYS_FLASH_16BIT |
53677ef1 WD |
715 | addr = (vu_long *) (info->start[sect]); |
716 | addr[0] = 0x00200020; | |
717 | addr[0] = 0x00D000D0; | |
718 | while (!(addr[0] & 0x00800080)); /* wait for error or finish */ | |
719 | if (addr[0] & 0x003A003A) { /* check for error */ | |
720 | barf = addr[0] & 0x003A0000; | |
721 | if (barf) { | |
722 | barf >>= 16; | |
723 | } else { | |
724 | barf = addr[0] & 0x0000003A; | |
725 | } | |
3bbc899f | 726 | } |
3bbc899f | 727 | #else |
53677ef1 WD |
728 | addr = (vu_short *) (info->start[sect]); |
729 | addr[0] = 0x0020; | |
730 | addr[0] = 0x00D0; | |
731 | while (!(addr[0] & 0x0080)); /* wait for error or finish */ | |
732 | if (addr[0] & 0x003A) /* check for error */ | |
733 | barf = addr[0] & 0x003A; | |
3bbc899f | 734 | #endif |
53677ef1 WD |
735 | if (barf) { |
736 | printf ("\nFlash error in sector at %lx\n", | |
737 | (unsigned long) addr); | |
738 | if (barf & 0x0002) | |
739 | printf ("Block locked, not erased.\n"); | |
740 | if ((barf & 0x0030) == 0x0030) | |
741 | printf ("Command Sequence error.\n"); | |
742 | if ((barf & 0x0030) == 0x0020) | |
743 | printf ("Block Erase error.\n"); | |
744 | if (barf & 0x0008) | |
745 | printf ("Vpp Low error.\n"); | |
746 | rcode = 1; | |
747 | } else | |
748 | printf ("."); | |
749 | l_sect = sect; | |
750 | } | |
751 | addr = (volatile FLASH_WORD_SIZE *) info->start[0]; | |
752 | addr[0] = (0x00FF00FF & FLASH_ID_MASK); /* reset bank */ | |
753 | ||
3bbc899f | 754 | } |
3bbc899f WD |
755 | |
756 | } | |
3bbc899f WD |
757 | printf (" done\n"); |
758 | return rcode; | |
759 | } | |
760 | ||
761 | /*----------------------------------------------------------------------- | |
762 | */ | |
763 | ||
764 | /*flash_info_t *addr2info (ulong addr) | |
765 | { | |
766 | flash_info_t *info; | |
767 | int i; | |
768 | ||
6d0f6bcf | 769 | for (i=0, info=&flash_info[0]; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) { |
3bbc899f WD |
770 | if ((addr >= info->start[0]) && |
771 | (addr < (info->start[0] + info->size)) ) { | |
772 | return (info); | |
773 | } | |
774 | } | |
775 | ||
776 | return (NULL); | |
777 | } | |
778 | */ | |
779 | /*----------------------------------------------------------------------- | |
780 | * Copy memory to flash. | |
781 | * Make sure all target addresses are within Flash bounds, | |
782 | * and no protected sectors are hit. | |
783 | * Returns: | |
784 | * 0 - OK | |
785 | * 1 - write timeout | |
786 | * 2 - Flash not erased | |
787 | * 4 - target range includes protected sectors | |
788 | * 8 - target address not in Flash memory | |
789 | */ | |
790 | ||
791 | /*int flash_write (uchar *src, ulong addr, ulong cnt) | |
792 | { | |
793 | int i; | |
794 | ulong end = addr + cnt - 1; | |
795 | flash_info_t *info_first = addr2info (addr); | |
796 | flash_info_t *info_last = addr2info (end ); | |
797 | flash_info_t *info; | |
798 | ||
799 | if (cnt == 0) { | |
800 | return (0); | |
801 | } | |
802 | ||
803 | if (!info_first || !info_last) { | |
804 | return (8); | |
805 | } | |
806 | ||
807 | for (info = info_first; info <= info_last; ++info) { | |
808 | ulong b_end = info->start[0] + info->size;*/ /* bank end addr */ | |
809 | /* short s_end = info->sector_count - 1; | |
810 | for (i=0; i<info->sector_count; ++i) { | |
811 | ulong e_addr = (i == s_end) ? b_end : info->start[i + 1]; | |
812 | ||
813 | if ((end >= info->start[i]) && (addr < e_addr) && | |
814 | (info->protect[i] != 0) ) { | |
815 | return (4); | |
816 | } | |
817 | } | |
818 | } | |
819 | ||
820 | */ /* finally write data to flash */ | |
821 | /* for (info = info_first; info <= info_last && cnt>0; ++info) { | |
822 | ulong len; | |
823 | ||
824 | len = info->start[0] + info->size - addr; | |
825 | if (len > cnt) | |
826 | len = cnt; | |
827 | if ((i = write_buff(info, src, addr, len)) != 0) { | |
828 | return (i); | |
829 | } | |
830 | cnt -= len; | |
831 | addr += len; | |
832 | src += len; | |
833 | } | |
834 | return (0); | |
835 | } | |
836 | */ | |
837 | /*----------------------------------------------------------------------- | |
838 | * Copy memory to flash, returns: | |
839 | * 0 - OK | |
840 | * 1 - write timeout | |
841 | * 2 - Flash not erased | |
842 | */ | |
843 | ||
844 | int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) | |
845 | { | |
6d0f6bcf | 846 | #ifndef CONFIG_SYS_FLASH_16BIT |
3bbc899f WD |
847 | ulong cp, wp, data; |
848 | int l; | |
849 | #else | |
850 | ulong cp, wp; | |
851 | ushort data; | |
852 | #endif | |
853 | int i, rc; | |
854 | ||
6d0f6bcf | 855 | #ifndef CONFIG_SYS_FLASH_16BIT |
3bbc899f WD |
856 | |
857 | ||
858 | wp = (addr & ~3); /* get lower word aligned address */ | |
859 | ||
860 | /* | |
861 | * handle unaligned start bytes | |
862 | */ | |
863 | if ((l = addr - wp) != 0) { | |
864 | data = 0; | |
865 | for (i=0, cp=wp; i<l; ++i, ++cp) { | |
866 | data = (data << 8) | (*(uchar *)cp); | |
867 | } | |
868 | for (; i<4 && cnt>0; ++i) { | |
869 | data = (data << 8) | *src++; | |
870 | --cnt; | |
871 | ++cp; | |
872 | } | |
873 | for (; cnt==0 && i<4; ++i, ++cp) { | |
874 | data = (data << 8) | (*(uchar *)cp); | |
875 | } | |
876 | ||
877 | if ((rc = write_word(info, wp, data)) != 0) { | |
878 | return (rc); | |
879 | } | |
880 | wp += 4; | |
881 | } | |
882 | ||
883 | /* | |
884 | * handle word aligned part | |
885 | */ | |
886 | while (cnt >= 4) { | |
887 | data = 0; | |
888 | for (i=0; i<4; ++i) { | |
889 | data = (data << 8) | *src++; | |
890 | } | |
891 | if ((rc = write_word(info, wp, data)) != 0) { | |
892 | return (rc); | |
893 | } | |
894 | wp += 4; | |
895 | cnt -= 4; | |
896 | } | |
897 | ||
898 | if (cnt == 0) { | |
899 | return (0); | |
900 | } | |
901 | ||
902 | /* | |
903 | * handle unaligned tail bytes | |
904 | */ | |
905 | data = 0; | |
906 | for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { | |
907 | data = (data << 8) | *src++; | |
908 | --cnt; | |
909 | } | |
910 | for (; i<4; ++i, ++cp) { | |
911 | data = (data << 8) | (*(uchar *)cp); | |
912 | } | |
913 | ||
914 | return (write_word(info, wp, data)); | |
915 | ||
916 | #else | |
917 | wp = (addr & ~1); /* get lower word aligned address */ | |
918 | ||
919 | /* | |
920 | * handle unaligned start byte | |
921 | */ | |
922 | if (addr - wp) { | |
923 | data = 0; | |
924 | data = (data << 8) | *src++; | |
925 | --cnt; | |
926 | if ((rc = write_short(info, wp, data)) != 0) { | |
927 | return (rc); | |
928 | } | |
929 | wp += 2; | |
930 | } | |
931 | ||
932 | /* | |
933 | * handle word aligned part | |
934 | */ | |
935 | /* l = 0; used for debuging */ | |
936 | while (cnt >= 2) { | |
937 | data = 0; | |
938 | for (i=0; i<2; ++i) { | |
939 | data = (data << 8) | *src++; | |
940 | } | |
941 | ||
942 | /* if(!l){ | |
943 | printf("%x",data); | |
944 | l = 1; | |
945 | } used for debuging */ | |
946 | ||
947 | if ((rc = write_short(info, wp, data)) != 0) { | |
948 | return (rc); | |
949 | } | |
950 | wp += 2; | |
951 | cnt -= 2; | |
952 | } | |
953 | ||
954 | if (cnt == 0) { | |
955 | return (0); | |
956 | } | |
957 | ||
958 | /* | |
959 | * handle unaligned tail bytes | |
960 | */ | |
961 | data = 0; | |
962 | for (i=0, cp=wp; i<2 && cnt>0; ++i, ++cp) { | |
963 | data = (data << 8) | *src++; | |
964 | --cnt; | |
965 | } | |
966 | for (; i<2; ++i, ++cp) { | |
967 | data = (data << 8) | (*(uchar *)cp); | |
968 | } | |
969 | ||
970 | return (write_short(info, wp, data)); | |
971 | ||
972 | ||
973 | #endif | |
974 | } | |
975 | ||
976 | /*----------------------------------------------------------------------- | |
977 | * Write a word to Flash, returns: | |
978 | * 0 - OK | |
979 | * 1 - write timeout | |
980 | * 2 - Flash not erased | |
981 | */ | |
6d0f6bcf | 982 | #ifndef CONFIG_SYS_FLASH_16BIT |
3bbc899f WD |
983 | static int write_word (flash_info_t *info, ulong dest, ulong data) |
984 | { | |
985 | vu_long *addr = (vu_long*)(info->start[0]); | |
986 | ulong start,barf; | |
987 | int flag; | |
988 | ||
989 | ||
990 | /* Check if Flash is (sufficiently) erased */ | |
991 | if ((*((vu_long *)dest) & data) != data) { | |
992 | return (2); | |
993 | } | |
994 | ||
995 | /* Disable interrupts which might cause a timeout here */ | |
996 | flag = disable_interrupts(); | |
997 | ||
998 | if(info->flash_id > FLASH_AMD_COMP) { | |
999 | /* AMD stuff */ | |
1000 | addr[0x0555] = 0x00AA00AA; | |
1001 | addr[0x02AA] = 0x00550055; | |
1002 | addr[0x0555] = 0x00A000A0; | |
1003 | } else { | |
1004 | /* intel stuff */ | |
1005 | *addr = 0x00400040; | |
1006 | } | |
1007 | *((vu_long *)dest) = data; | |
1008 | ||
1009 | /* re-enable interrupts if necessary */ | |
1010 | if (flag) | |
1011 | enable_interrupts(); | |
1012 | ||
1013 | /* data polling for D7 */ | |
1014 | start = get_timer (0); | |
1015 | ||
1016 | if(info->flash_id > FLASH_AMD_COMP) { | |
1017 | while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) { | |
6d0f6bcf | 1018 | if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { |
3bbc899f WD |
1019 | return (1); |
1020 | } | |
1021 | } | |
1022 | } else { | |
53677ef1 | 1023 | while(!(addr[0] & 0x00800080)) { /* wait for error or finish */ |
6d0f6bcf | 1024 | if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { |
3bbc899f WD |
1025 | return (1); |
1026 | } | |
1027 | ||
1028 | if( addr[0] & 0x003A003A) { /* check for error */ | |
1029 | barf = addr[0] & 0x003A0000; | |
1030 | if( barf ) { | |
1031 | barf >>=16; | |
1032 | } else { | |
1033 | barf = addr[0] & 0x0000003A; | |
1034 | } | |
1035 | printf("\nFlash write error at address %lx\n",(unsigned long)dest); | |
1036 | if(barf & 0x0002) printf("Block locked, not erased.\n"); | |
1037 | if(barf & 0x0010) printf("Programming error.\n"); | |
1038 | if(barf & 0x0008) printf("Vpp Low error.\n"); | |
1039 | return(2); | |
1040 | } | |
1041 | } | |
1042 | ||
1043 | return (0); | |
1044 | } | |
1045 | ||
1046 | #else | |
1047 | ||
1048 | static int write_short (flash_info_t *info, ulong dest, ushort data) | |
1049 | { | |
1050 | vu_short *addr = (vu_short*)(info->start[0]); | |
1051 | ulong start,barf; | |
1052 | int flag; | |
1053 | ||
1054 | /* Check if Flash is (sufficiently) erased */ | |
1055 | if ((*((vu_short *)dest) & data) != data) { | |
1056 | return (2); | |
1057 | } | |
1058 | ||
1059 | /* Disable interrupts which might cause a timeout here */ | |
1060 | flag = disable_interrupts(); | |
1061 | ||
1062 | if(info->flash_id < FLASH_AMD_COMP) { | |
1063 | /* AMD stuff */ | |
1064 | addr[0x0555] = 0x00AA; | |
1065 | addr[0x02AA] = 0x0055; | |
1066 | addr[0x0555] = 0x00A0; | |
1067 | } else { | |
1068 | /* intel stuff */ | |
1069 | *addr = 0x00D0; | |
1070 | *addr = 0x0040; | |
1071 | } | |
1072 | *((vu_short *)dest) = data; | |
1073 | ||
1074 | /* re-enable interrupts if necessary */ | |
1075 | if (flag) | |
1076 | enable_interrupts(); | |
1077 | ||
1078 | /* data polling for D7 */ | |
1079 | start = get_timer (0); | |
1080 | ||
1081 | if(info->flash_id < FLASH_AMD_COMP) { | |
1082 | /* AMD stuff */ | |
1083 | while ((*((vu_short *)dest) & 0x0080) != (data & 0x0080)) { | |
6d0f6bcf | 1084 | if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { |
3bbc899f WD |
1085 | return (1); |
1086 | } | |
1087 | } | |
1088 | ||
1089 | } else { | |
1090 | /* intel stuff */ | |
53677ef1 | 1091 | while(!(addr[0] & 0x0080)){ /* wait for error or finish */ |
6d0f6bcf | 1092 | if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) return (1); |
3bbc899f WD |
1093 | } |
1094 | ||
1095 | if( addr[0] & 0x003A) { /* check for error */ | |
1096 | barf = addr[0] & 0x003A; | |
1097 | printf("\nFlash write error at address %lx\n",(unsigned long)dest); | |
1098 | if(barf & 0x0002) printf("Block locked, not erased.\n"); | |
1099 | if(barf & 0x0010) printf("Programming error.\n"); | |
1100 | if(barf & 0x0008) printf("Vpp Low error.\n"); | |
1101 | return(2); | |
1102 | } | |
1103 | *addr = 0x00B0; | |
1104 | *addr = 0x0070; | |
53677ef1 | 1105 | while(!(addr[0] & 0x0080)){ /* wait for error or finish */ |
6d0f6bcf | 1106 | if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) return (1); |
3bbc899f WD |
1107 | } |
1108 | *addr = 0x00FF; | |
1109 | } | |
1110 | return (0); | |
1111 | } | |
1112 | ||
3bbc899f WD |
1113 | #endif |
1114 | ||
53677ef1 | 1115 | /*-----------------------------------------------------------------------*/ |