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6c5879f3 MB |
1 | /* |
2 | * (C) Copyright 2006 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * (C) Copyright 2002 Jun Gu <jung@artesyncp.com> | |
6 | * Add support for Am29F016D and dynamic switch setting. | |
7 | * | |
1a459660 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
6c5879f3 MB |
9 | */ |
10 | ||
11 | /* | |
12 | * Modified 4/5/2001 | |
13 | * Wait for completion of each sector erase command issued | |
14 | * 4/5/2001 | |
15 | * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com | |
16 | */ | |
17 | ||
18 | #include <common.h> | |
b36df561 | 19 | #include <asm/ppc4xx.h> |
6c5879f3 | 20 | #include <asm/processor.h> |
b36df561 | 21 | #include <asm/ppc440.h> |
6c5879f3 MB |
22 | #include "yucca.h" |
23 | ||
24 | #ifdef DEBUG | |
25 | #define DEBUGF(x...) printf(x) | |
26 | #else | |
27 | #define DEBUGF(x...) | |
28 | #endif /* DEBUG */ | |
29 | ||
6d0f6bcf | 30 | flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ |
6c5879f3 MB |
31 | |
32 | /* | |
33 | * Mark big flash bank (16 bit instead of 8 bit access) in address with bit 0 | |
34 | */ | |
6d0f6bcf | 35 | static unsigned long flash_addr_table[][CONFIG_SYS_MAX_FLASH_BANKS] = { |
6c5879f3 MB |
36 | {0xfff00000, 0xfff80000, 0xe7c00001}, /* 0:boot from small flash */ |
37 | {0x00000000, 0x00000000, 0x00000000}, /* 1:boot from pci 66 */ | |
38 | {0x00000000, 0x00000000, 0x00000000}, /* 2:boot from nand flash */ | |
39 | {0xe7F00000, 0xe7F80000, 0xFFC00001}, /* 3:boot from big flash 33*/ | |
40 | {0xe7F00000, 0xe7F80000, 0xFFC00001}, /* 4:boot from big flash 66*/ | |
41 | {0x00000000, 0x00000000, 0x00000000}, /* 5:boot from */ | |
42 | {0x00000000, 0x00000000, 0x00000000}, /* 6:boot from pci 66 */ | |
43 | {0x00000000, 0x00000000, 0x00000000}, /* 7:boot from */ | |
44 | {0xfff00000, 0xfff80000, 0xe7c00001}, /* 8:boot from small flash */ | |
45 | }; | |
46 | ||
47 | /* | |
48 | * include common flash code (for amcc boards) | |
49 | */ | |
50 | /*----------------------------------------------------------------------- | |
51 | * Functions | |
52 | */ | |
53 | static int write_word(flash_info_t * info, ulong dest, ulong data); | |
6d0f6bcf | 54 | #ifdef CONFIG_SYS_FLASH_2ND_16BIT_DEV |
6c5879f3 MB |
55 | static int write_word_1(flash_info_t * info, ulong dest, ulong data); |
56 | static int write_word_2(flash_info_t * info, ulong dest, ulong data); | |
57 | static int flash_erase_1(flash_info_t * info, int s_first, int s_last); | |
58 | static int flash_erase_2(flash_info_t * info, int s_first, int s_last); | |
59 | static ulong flash_get_size_1(vu_long * addr, flash_info_t * info); | |
60 | static ulong flash_get_size_2(vu_long * addr, flash_info_t * info); | |
61 | #endif | |
62 | ||
63 | void flash_print_info(flash_info_t * info) | |
64 | { | |
65 | int i; | |
66 | int k; | |
67 | int size; | |
68 | int erased; | |
69 | volatile unsigned long *flash; | |
70 | ||
71 | if (info->flash_id == FLASH_UNKNOWN) { | |
72 | printf("missing or unknown FLASH type\n"); | |
73 | return; | |
74 | } | |
75 | ||
76 | switch (info->flash_id & FLASH_VENDMASK) { | |
77 | case FLASH_MAN_AMD: | |
78 | printf("AMD "); | |
79 | break; | |
80 | case FLASH_MAN_STM: | |
81 | printf("STM "); | |
82 | break; | |
83 | case FLASH_MAN_FUJ: | |
84 | printf("FUJITSU "); | |
85 | break; | |
86 | case FLASH_MAN_SST: | |
87 | printf("SST "); | |
88 | break; | |
89 | case FLASH_MAN_MX: | |
90 | printf("MIXC "); | |
91 | break; | |
92 | default: | |
93 | printf("Unknown Vendor "); | |
94 | break; | |
95 | } | |
96 | ||
97 | switch (info->flash_id & FLASH_TYPEMASK) { | |
98 | case FLASH_AM040: | |
99 | printf("AM29F040 (512 Kbit, uniform sector size)\n"); | |
100 | break; | |
101 | case FLASH_AM400B: | |
102 | printf("AM29LV400B (4 Mbit, bottom boot sect)\n"); | |
103 | break; | |
104 | case FLASH_AM400T: | |
105 | printf("AM29LV400T (4 Mbit, top boot sector)\n"); | |
106 | break; | |
107 | case FLASH_AM800B: | |
108 | printf("AM29LV800B (8 Mbit, bottom boot sect)\n"); | |
109 | break; | |
110 | case FLASH_AM800T: | |
111 | printf("AM29LV800T (8 Mbit, top boot sector)\n"); | |
112 | break; | |
113 | case FLASH_AMD016: | |
114 | printf("AM29F016D (16 Mbit, uniform sector size)\n"); | |
115 | break; | |
116 | case FLASH_AM160B: | |
117 | printf("AM29LV160B (16 Mbit, bottom boot sect)\n"); | |
118 | break; | |
119 | case FLASH_AM160T: | |
120 | printf("AM29LV160T (16 Mbit, top boot sector)\n"); | |
121 | break; | |
122 | case FLASH_AM320B: | |
123 | printf("AM29LV320B (32 Mbit, bottom boot sect)\n"); | |
124 | break; | |
125 | case FLASH_AM320T: | |
126 | printf("AM29LV320T (32 Mbit, top boot sector)\n"); | |
127 | break; | |
128 | case FLASH_AM033C: | |
129 | printf("AM29LV033C (32 Mbit, top boot sector)\n"); | |
130 | break; | |
131 | case FLASH_SST800A: | |
132 | printf("SST39LF/VF800 (8 Mbit, uniform sector size)\n"); | |
133 | break; | |
134 | case FLASH_SST160A: | |
135 | printf("SST39LF/VF160 (16 Mbit, uniform sector size)\n"); | |
136 | break; | |
137 | case FLASH_STMW320DT: | |
138 | printf ("M29W320DT (32 M, top sector)\n"); | |
139 | break; | |
140 | case FLASH_MXLV320T: | |
141 | printf ("MXLV320T (32 Mbit, top sector)\n"); | |
142 | break; | |
143 | default: | |
144 | printf("Unknown Chip Type\n"); | |
145 | break; | |
146 | } | |
147 | ||
148 | printf(" Size: %ld KB in %d Sectors\n", | |
149 | info->size >> 10, info->sector_count); | |
150 | ||
151 | printf(" Sector Start Addresses:"); | |
152 | for (i = 0; i < info->sector_count; ++i) { | |
153 | /* | |
154 | * Check if whole sector is erased | |
155 | */ | |
156 | if (i != (info->sector_count - 1)) | |
157 | size = info->start[i + 1] - info->start[i]; | |
158 | else | |
159 | size = info->start[0] + info->size - info->start[i]; | |
160 | erased = 1; | |
161 | flash = (volatile unsigned long *)info->start[i]; | |
162 | size = size >> 2; /* divide by 4 for longword access */ | |
163 | for (k = 0; k < size; k++) { | |
164 | if (*flash++ != 0xffffffff) { | |
165 | erased = 0; | |
166 | break; | |
167 | } | |
168 | } | |
169 | ||
170 | if ((i % 5) == 0) | |
171 | printf("\n "); | |
172 | printf(" %08lX%s%s", | |
173 | info->start[i], | |
174 | erased ? " E" : " ", | |
175 | info->protect[i] ? "RO " : " "); | |
176 | } | |
177 | printf("\n"); | |
178 | return; | |
179 | } | |
180 | ||
181 | ||
182 | /* | |
183 | * The following code cannot be run from FLASH! | |
184 | */ | |
6d0f6bcf | 185 | #ifdef CONFIG_SYS_FLASH_2ND_16BIT_DEV |
6c5879f3 MB |
186 | static ulong flash_get_size(vu_long * addr, flash_info_t * info) |
187 | { | |
188 | /* bit 0 used for big flash marking */ | |
189 | if ((ulong)addr & 0x1) | |
190 | return flash_get_size_2((vu_long *)((ulong)addr & 0xfffffffe), info); | |
191 | else | |
192 | return flash_get_size_1(addr, info); | |
193 | } | |
194 | ||
195 | static ulong flash_get_size_1(vu_long * addr, flash_info_t * info) | |
196 | #else | |
197 | static ulong flash_get_size(vu_long * addr, flash_info_t * info) | |
198 | #endif | |
199 | { | |
200 | short i; | |
6d0f6bcf | 201 | CONFIG_SYS_FLASH_WORD_SIZE value; |
6c5879f3 | 202 | ulong base = (ulong) addr; |
6d0f6bcf | 203 | volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) addr; |
6c5879f3 MB |
204 | |
205 | DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr); | |
206 | ||
207 | /* Write auto select command: read Manufacturer ID */ | |
6d0f6bcf JCPV |
208 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; |
209 | addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
210 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00900090; | |
6c5879f3 MB |
211 | udelay(1000); |
212 | ||
213 | value = addr2[0]; | |
214 | DEBUGF("FLASH MANUFACT: %x\n", value); | |
215 | ||
216 | switch (value) { | |
6d0f6bcf | 217 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_MANUFACT: |
6c5879f3 MB |
218 | info->flash_id = FLASH_MAN_AMD; |
219 | break; | |
6d0f6bcf | 220 | case (CONFIG_SYS_FLASH_WORD_SIZE) FUJ_MANUFACT: |
6c5879f3 MB |
221 | info->flash_id = FLASH_MAN_FUJ; |
222 | break; | |
6d0f6bcf | 223 | case (CONFIG_SYS_FLASH_WORD_SIZE) SST_MANUFACT: |
6c5879f3 MB |
224 | info->flash_id = FLASH_MAN_SST; |
225 | break; | |
6d0f6bcf | 226 | case (CONFIG_SYS_FLASH_WORD_SIZE) STM_MANUFACT: |
6c5879f3 MB |
227 | info->flash_id = FLASH_MAN_STM; |
228 | break; | |
229 | default: | |
230 | info->flash_id = FLASH_UNKNOWN; | |
231 | info->sector_count = 0; | |
232 | info->size = 0; | |
233 | return (0); /* no or unknown flash */ | |
234 | } | |
235 | ||
236 | value = addr2[1]; /* device ID */ | |
237 | DEBUGF("\nFLASH DEVICEID: %x\n", value); | |
238 | ||
239 | switch (value) { | |
6d0f6bcf | 240 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV040B: |
6c5879f3 MB |
241 | info->flash_id += FLASH_AM040; |
242 | info->sector_count = 8; | |
243 | info->size = 0x0080000; /* => 512 ko */ | |
244 | break; | |
245 | ||
6d0f6bcf | 246 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_F040B: |
6c5879f3 MB |
247 | info->flash_id += FLASH_AM040; |
248 | info->sector_count = 8; | |
249 | info->size = 0x0080000; /* => 512 ko */ | |
250 | break; | |
251 | ||
6d0f6bcf | 252 | case (CONFIG_SYS_FLASH_WORD_SIZE) STM_ID_M29W040B: |
6c5879f3 MB |
253 | info->flash_id += FLASH_AM040; |
254 | info->sector_count = 8; | |
255 | info->size = 0x0080000; /* => 512 ko */ | |
256 | break; | |
257 | ||
6d0f6bcf | 258 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_F016D: |
6c5879f3 MB |
259 | info->flash_id += FLASH_AMD016; |
260 | info->sector_count = 32; | |
261 | info->size = 0x00200000; | |
262 | break; /* => 2 MB */ | |
263 | ||
6d0f6bcf | 264 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV033C: |
6c5879f3 MB |
265 | info->flash_id += FLASH_AMDLV033C; |
266 | info->sector_count = 64; | |
267 | info->size = 0x00400000; | |
268 | break; /* => 4 MB */ | |
269 | ||
6d0f6bcf | 270 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV400T: |
6c5879f3 MB |
271 | info->flash_id += FLASH_AM400T; |
272 | info->sector_count = 11; | |
273 | info->size = 0x00080000; | |
274 | break; /* => 0.5 MB */ | |
275 | ||
6d0f6bcf | 276 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV400B: |
6c5879f3 MB |
277 | info->flash_id += FLASH_AM400B; |
278 | info->sector_count = 11; | |
279 | info->size = 0x00080000; | |
280 | break; /* => 0.5 MB */ | |
281 | ||
6d0f6bcf | 282 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV800T: |
6c5879f3 MB |
283 | info->flash_id += FLASH_AM800T; |
284 | info->sector_count = 19; | |
285 | info->size = 0x00100000; | |
286 | break; /* => 1 MB */ | |
287 | ||
6d0f6bcf | 288 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV800B: |
6c5879f3 MB |
289 | info->flash_id += FLASH_AM800B; |
290 | info->sector_count = 19; | |
291 | info->size = 0x00100000; | |
292 | break; /* => 1 MB */ | |
293 | ||
6d0f6bcf | 294 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV160T: |
6c5879f3 MB |
295 | info->flash_id += FLASH_AM160T; |
296 | info->sector_count = 35; | |
297 | info->size = 0x00200000; | |
298 | break; /* => 2 MB */ | |
299 | ||
6d0f6bcf | 300 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_ID_LV160B: |
6c5879f3 MB |
301 | info->flash_id += FLASH_AM160B; |
302 | info->sector_count = 35; | |
303 | info->size = 0x00200000; | |
304 | break; /* => 2 MB */ | |
305 | ||
306 | default: | |
307 | info->flash_id = FLASH_UNKNOWN; | |
308 | return (0); /* => no or unknown flash */ | |
309 | } | |
310 | ||
311 | /* set up sector start address table */ | |
312 | if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || | |
313 | ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) || | |
314 | ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) { | |
315 | for (i = 0; i < info->sector_count; i++) | |
316 | info->start[i] = base + (i * 0x00010000); | |
317 | } else { | |
318 | if (info->flash_id & FLASH_BTYPE) { | |
319 | /* set sector offsets for bottom boot block type */ | |
320 | info->start[0] = base + 0x00000000; | |
321 | info->start[1] = base + 0x00004000; | |
322 | info->start[2] = base + 0x00006000; | |
323 | info->start[3] = base + 0x00008000; | |
324 | for (i = 4; i < info->sector_count; i++) { | |
325 | info->start[i] = | |
326 | base + (i * 0x00010000) - 0x00030000; | |
327 | } | |
328 | } else { | |
329 | /* set sector offsets for top boot block type */ | |
330 | i = info->sector_count - 1; | |
331 | info->start[i--] = base + info->size - 0x00004000; | |
332 | info->start[i--] = base + info->size - 0x00006000; | |
333 | info->start[i--] = base + info->size - 0x00008000; | |
334 | for (; i >= 0; i--) { | |
335 | info->start[i] = base + i * 0x00010000; | |
336 | } | |
337 | } | |
338 | } | |
339 | ||
340 | /* check for protected sectors */ | |
341 | for (i = 0; i < info->sector_count; i++) { | |
342 | /* read sector protection at sector address, (A7 .. A0) = 0x02 */ | |
343 | /* D0 = 1 if protected */ | |
6d0f6bcf | 344 | addr2 = (volatile CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[i]); |
6c5879f3 MB |
345 | |
346 | /* For AMD29033C flash we need to resend the command of * | |
347 | * reading flash protection for upper 8 Mb of flash */ | |
348 | if (i == 32) { | |
6d0f6bcf JCPV |
349 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0xAAAAAAAA; |
350 | addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x55555555; | |
351 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x90909090; | |
6c5879f3 MB |
352 | } |
353 | ||
354 | if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) | |
355 | info->protect[i] = 0; | |
356 | else | |
357 | info->protect[i] = addr2[2] & 1; | |
358 | } | |
359 | ||
360 | /* issue bank reset to return to read mode */ | |
6d0f6bcf | 361 | addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00F000F0; |
6c5879f3 MB |
362 | |
363 | return (info->size); | |
364 | } | |
365 | ||
366 | static int wait_for_DQ7_1(flash_info_t * info, int sect) | |
367 | { | |
368 | ulong start, now, last; | |
6d0f6bcf JCPV |
369 | volatile CONFIG_SYS_FLASH_WORD_SIZE *addr = |
370 | (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[sect]); | |
6c5879f3 MB |
371 | |
372 | start = get_timer(0); | |
373 | last = start; | |
6d0f6bcf JCPV |
374 | while ((addr[0] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) != |
375 | (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) { | |
376 | if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { | |
6c5879f3 MB |
377 | printf("Timeout\n"); |
378 | return -1; | |
379 | } | |
380 | /* show that we're waiting */ | |
381 | if ((now - last) > 1000) { /* every second */ | |
382 | putc('.'); | |
383 | last = now; | |
384 | } | |
385 | } | |
386 | return 0; | |
387 | } | |
388 | ||
6d0f6bcf | 389 | #ifdef CONFIG_SYS_FLASH_2ND_16BIT_DEV |
6c5879f3 MB |
390 | int flash_erase(flash_info_t * info, int s_first, int s_last) |
391 | { | |
392 | if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || | |
393 | ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || | |
394 | ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) || | |
395 | ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T)) { | |
396 | return flash_erase_2(info, s_first, s_last); | |
397 | } else { | |
398 | return flash_erase_1(info, s_first, s_last); | |
399 | } | |
400 | } | |
401 | ||
402 | static int flash_erase_1(flash_info_t * info, int s_first, int s_last) | |
403 | #else | |
404 | int flash_erase(flash_info_t * info, int s_first, int s_last) | |
405 | #endif | |
406 | { | |
6d0f6bcf JCPV |
407 | volatile CONFIG_SYS_FLASH_WORD_SIZE *addr = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[0]); |
408 | volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2; | |
2975fe14 | 409 | int flag, prot, sect; |
6c5879f3 MB |
410 | int i; |
411 | ||
412 | if ((s_first < 0) || (s_first > s_last)) { | |
413 | if (info->flash_id == FLASH_UNKNOWN) | |
414 | printf("- missing\n"); | |
415 | else | |
416 | printf("- no sectors to erase\n"); | |
417 | return 1; | |
418 | } | |
419 | ||
420 | if (info->flash_id == FLASH_UNKNOWN) { | |
421 | printf("Can't erase unknown flash type - aborted\n"); | |
422 | return 1; | |
423 | } | |
424 | ||
425 | prot = 0; | |
426 | for (sect = s_first; sect <= s_last; ++sect) { | |
427 | if (info->protect[sect]) | |
428 | prot++; | |
429 | } | |
430 | ||
431 | if (prot) | |
432 | printf("- Warning: %d protected sectors will not be erased!", prot); | |
433 | ||
434 | printf("\n"); | |
435 | ||
6c5879f3 MB |
436 | /* Disable interrupts which might cause a timeout here */ |
437 | flag = disable_interrupts(); | |
438 | ||
439 | /* Start erase on unprotected sectors */ | |
440 | for (sect = s_first; sect <= s_last; sect++) { | |
441 | if (info->protect[sect] == 0) { /* not protected */ | |
6d0f6bcf | 442 | addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[sect]); |
6c5879f3 MB |
443 | |
444 | if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { | |
6d0f6bcf JCPV |
445 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; |
446 | addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
447 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080; | |
448 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; | |
449 | addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
450 | addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00500050; /* block erase */ | |
6c5879f3 MB |
451 | for (i = 0; i < 50; i++) |
452 | udelay(1000); /* wait 1 ms */ | |
453 | } else { | |
6d0f6bcf JCPV |
454 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; |
455 | addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
456 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080; | |
457 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; | |
458 | addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
459 | addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00300030; /* sector erase */ | |
6c5879f3 | 460 | } |
6c5879f3 MB |
461 | /* |
462 | * Wait for each sector to complete, it's more | |
463 | * reliable. According to AMD Spec, you must | |
464 | * issue all erase commands within a specified | |
465 | * timeout. This has been seen to fail, especially | |
466 | * if printf()s are included (for debug)!! | |
467 | */ | |
468 | wait_for_DQ7_1(info, sect); | |
469 | } | |
470 | } | |
471 | ||
472 | /* re-enable interrupts if necessary */ | |
473 | if (flag) | |
474 | enable_interrupts(); | |
475 | ||
476 | /* wait at least 80us - let's wait 1 ms */ | |
477 | udelay(1000); | |
478 | ||
479 | /* reset to read mode */ | |
6d0f6bcf JCPV |
480 | addr = (CONFIG_SYS_FLASH_WORD_SIZE *) info->start[0]; |
481 | addr[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ | |
6c5879f3 MB |
482 | |
483 | printf(" done\n"); | |
484 | return 0; | |
485 | } | |
486 | ||
487 | /*----------------------------------------------------------------------- | |
488 | * Copy memory to flash, returns: | |
489 | * 0 - OK | |
490 | * 1 - write timeout | |
491 | * 2 - Flash not erased | |
492 | */ | |
493 | int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) | |
494 | { | |
495 | ulong cp, wp, data; | |
496 | int i, l, rc; | |
497 | ||
498 | wp = (addr & ~3); /* get lower word aligned address */ | |
499 | ||
500 | /* | |
501 | * handle unaligned start bytes | |
502 | */ | |
503 | if ((l = addr - wp) != 0) { | |
504 | data = 0; | |
505 | for (i = 0, cp = wp; i < l; ++i, ++cp) | |
506 | data = (data << 8) | (*(uchar *) cp); | |
507 | ||
508 | for (; i < 4 && cnt > 0; ++i) { | |
509 | data = (data << 8) | *src++; | |
510 | --cnt; | |
511 | ++cp; | |
512 | } | |
513 | ||
514 | for (; cnt == 0 && i < 4; ++i, ++cp) | |
515 | data = (data << 8) | (*(uchar *) cp); | |
516 | ||
517 | if ((rc = write_word(info, wp, data)) != 0) | |
518 | return (rc); | |
519 | ||
520 | wp += 4; | |
521 | } | |
522 | ||
523 | /* | |
524 | * handle word aligned part | |
525 | */ | |
526 | while (cnt >= 4) { | |
527 | data = 0; | |
528 | for (i = 0; i < 4; ++i) | |
529 | data = (data << 8) | *src++; | |
530 | ||
531 | if ((rc = write_word(info, wp, data)) != 0) | |
532 | return (rc); | |
533 | ||
534 | wp += 4; | |
535 | cnt -= 4; | |
536 | } | |
537 | ||
538 | if (cnt == 0) | |
539 | return (0); | |
540 | ||
541 | /* | |
542 | * handle unaligned tail bytes | |
543 | */ | |
544 | data = 0; | |
545 | for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) { | |
546 | data = (data << 8) | *src++; | |
547 | --cnt; | |
548 | } | |
549 | for (; i < 4; ++i, ++cp) | |
550 | data = (data << 8) | (*(uchar *) cp); | |
551 | ||
552 | return (write_word(info, wp, data)); | |
553 | } | |
554 | ||
555 | /*----------------------------------------------------------------------- | |
556 | * Copy memory to flash, returns: | |
557 | * 0 - OK | |
558 | * 1 - write timeout | |
559 | * 2 - Flash not erased | |
560 | */ | |
6d0f6bcf | 561 | #ifdef CONFIG_SYS_FLASH_2ND_16BIT_DEV |
6c5879f3 MB |
562 | static int write_word(flash_info_t * info, ulong dest, ulong data) |
563 | { | |
564 | if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || | |
565 | ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || | |
566 | ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) || | |
567 | ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T)) { | |
568 | return write_word_2(info, dest, data); | |
569 | } else { | |
570 | return write_word_1(info, dest, data); | |
571 | } | |
572 | } | |
573 | ||
574 | static int write_word_1(flash_info_t * info, ulong dest, ulong data) | |
575 | #else | |
576 | static int write_word(flash_info_t * info, ulong dest, ulong data) | |
577 | #endif | |
578 | { | |
6d0f6bcf JCPV |
579 | volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[0]); |
580 | volatile CONFIG_SYS_FLASH_WORD_SIZE *dest2 = (CONFIG_SYS_FLASH_WORD_SIZE *) dest; | |
581 | volatile CONFIG_SYS_FLASH_WORD_SIZE *data2 = (CONFIG_SYS_FLASH_WORD_SIZE *) & data; | |
6c5879f3 MB |
582 | ulong start; |
583 | int i, flag; | |
584 | ||
585 | /* Check if Flash is (sufficiently) erased */ | |
586 | if ((*((vu_long *)dest) & data) != data) | |
587 | return (2); | |
588 | ||
6d0f6bcf | 589 | for (i = 0; i < 4 / sizeof(CONFIG_SYS_FLASH_WORD_SIZE); i++) { |
6c5879f3 MB |
590 | /* Disable interrupts which might cause a timeout here */ |
591 | flag = disable_interrupts(); | |
592 | ||
6d0f6bcf JCPV |
593 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; |
594 | addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
595 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00A000A0; | |
6c5879f3 MB |
596 | |
597 | dest2[i] = data2[i]; | |
598 | ||
599 | /* re-enable interrupts if necessary */ | |
600 | if (flag) | |
601 | enable_interrupts(); | |
602 | ||
603 | /* data polling for D7 */ | |
604 | start = get_timer(0); | |
6d0f6bcf JCPV |
605 | while ((dest2[i] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) != |
606 | (data2[i] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080)) { | |
6c5879f3 | 607 | |
6d0f6bcf | 608 | if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) |
6c5879f3 MB |
609 | return (1); |
610 | } | |
611 | } | |
612 | ||
613 | return (0); | |
614 | } | |
615 | ||
6d0f6bcf | 616 | #ifdef CONFIG_SYS_FLASH_2ND_16BIT_DEV |
6c5879f3 | 617 | |
6d0f6bcf JCPV |
618 | #undef CONFIG_SYS_FLASH_WORD_SIZE |
619 | #define CONFIG_SYS_FLASH_WORD_SIZE unsigned short | |
6c5879f3 MB |
620 | |
621 | /* | |
622 | * The following code cannot be run from FLASH! | |
623 | */ | |
624 | static ulong flash_get_size_2(vu_long * addr, flash_info_t * info) | |
625 | { | |
626 | short i; | |
627 | int n; | |
6d0f6bcf | 628 | CONFIG_SYS_FLASH_WORD_SIZE value; |
6c5879f3 | 629 | ulong base = (ulong) addr; |
6d0f6bcf | 630 | volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) addr; |
6c5879f3 MB |
631 | |
632 | DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr); | |
633 | ||
634 | /* issue bank reset to return to read mode */ | |
6d0f6bcf | 635 | addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00F000F0; |
6c5879f3 | 636 | /* Write auto select command: read Manufacturer ID */ |
6d0f6bcf JCPV |
637 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; |
638 | addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
639 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00900090; | |
6c5879f3 MB |
640 | udelay(1000); |
641 | ||
642 | value = addr2[0]; | |
643 | DEBUGF("FLASH MANUFACT: %x\n", value); | |
644 | ||
645 | switch (value) { | |
6d0f6bcf | 646 | case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_MANUFACT: |
6c5879f3 MB |
647 | info->flash_id = FLASH_MAN_AMD; |
648 | break; | |
6d0f6bcf | 649 | case (CONFIG_SYS_FLASH_WORD_SIZE) FUJ_MANUFACT: |
6c5879f3 MB |
650 | info->flash_id = FLASH_MAN_FUJ; |
651 | break; | |
6d0f6bcf | 652 | case (CONFIG_SYS_FLASH_WORD_SIZE) SST_MANUFACT: |
6c5879f3 MB |
653 | info->flash_id = FLASH_MAN_SST; |
654 | break; | |
6d0f6bcf | 655 | case (CONFIG_SYS_FLASH_WORD_SIZE) STM_MANUFACT: |
6c5879f3 MB |
656 | info->flash_id = FLASH_MAN_STM; |
657 | break; | |
6d0f6bcf | 658 | case (CONFIG_SYS_FLASH_WORD_SIZE) MX_MANUFACT: |
6c5879f3 MB |
659 | info->flash_id = FLASH_MAN_MX; |
660 | break; | |
661 | default: | |
662 | info->flash_id = FLASH_UNKNOWN; | |
663 | info->sector_count = 0; | |
664 | info->size = 0; | |
665 | return (0); /* no or unknown flash */ | |
666 | } | |
667 | ||
668 | value = addr2[1]; /* device ID */ | |
669 | DEBUGF("\nFLASH DEVICEID: %x\n", value); | |
670 | ||
671 | switch (value) { | |
6d0f6bcf | 672 | case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320T: |
6c5879f3 MB |
673 | info->flash_id += FLASH_AM320T; |
674 | info->sector_count = 71; | |
675 | info->size = 0x00400000; | |
676 | break; /* => 4 MB */ | |
6d0f6bcf | 677 | case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320B: |
6c5879f3 MB |
678 | info->flash_id += FLASH_AM320B; |
679 | info->sector_count = 71; | |
680 | info->size = 0x00400000; | |
681 | break; /* => 4 MB */ | |
6d0f6bcf | 682 | case (CONFIG_SYS_FLASH_WORD_SIZE)STM_ID_29W320DT: |
6c5879f3 MB |
683 | info->flash_id += FLASH_STMW320DT; |
684 | info->sector_count = 67; | |
685 | info->size = 0x00400000; | |
686 | break; /* => 4 MB */ | |
6d0f6bcf | 687 | case (CONFIG_SYS_FLASH_WORD_SIZE)MX_ID_LV320T: |
6c5879f3 MB |
688 | info->flash_id += FLASH_MXLV320T; |
689 | info->sector_count = 71; | |
690 | info->size = 0x00400000; | |
691 | break; /* => 4 MB */ | |
692 | default: | |
693 | info->flash_id = FLASH_UNKNOWN; | |
694 | return (0); /* => no or unknown flash */ | |
695 | } | |
696 | ||
697 | /* set up sector start address table */ | |
698 | if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || | |
699 | ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) || | |
700 | ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) { | |
701 | for (i = 0; i < info->sector_count; i++) | |
702 | info->start[i] = base + (i * 0x00010000); | |
703 | } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) { | |
704 | /* set sector offsets for top boot block type */ | |
705 | base += info->size; | |
706 | i = info->sector_count; | |
707 | /* 1 x 16k boot sector */ | |
708 | base -= 16 << 10; | |
709 | --i; | |
710 | info->start[i] = base; | |
711 | /* 2 x 8k boot sectors */ | |
712 | for (n = 0; n < 2; ++n) { | |
713 | base -= 8 << 10; | |
714 | --i; | |
715 | info->start[i] = base; | |
716 | } | |
717 | /* 1 x 32k boot sector */ | |
718 | base -= 32 << 10; | |
719 | --i; | |
720 | info->start[i] = base; | |
721 | ||
722 | while (i > 0) { /* 64k regular sectors */ | |
723 | base -= 64 << 10; | |
724 | --i; | |
725 | info->start[i] = base; | |
726 | } | |
727 | } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T) { | |
728 | i = info->sector_count - 1; | |
729 | info->start[i--] = base + info->size - 0x00002000; | |
730 | info->start[i--] = base + info->size - 0x00004000; | |
731 | info->start[i--] = base + info->size - 0x00006000; | |
732 | info->start[i--] = base + info->size - 0x00008000; | |
733 | info->start[i--] = base + info->size - 0x0000a000; | |
734 | info->start[i--] = base + info->size - 0x0000c000; | |
735 | info->start[i--] = base + info->size - 0x0000e000; | |
736 | info->start[i--] = base + info->size - 0x00010000; | |
737 | ||
738 | for (; i >= 0; i--) | |
739 | info->start[i] = base + i * 0x00010000; | |
740 | } else { | |
741 | if (info->flash_id & FLASH_BTYPE) { | |
742 | /* set sector offsets for bottom boot block type */ | |
743 | info->start[0] = base + 0x00000000; | |
744 | info->start[1] = base + 0x00004000; | |
745 | info->start[2] = base + 0x00006000; | |
746 | info->start[3] = base + 0x00008000; | |
747 | ||
748 | for (i = 4; i < info->sector_count; i++) | |
749 | info->start[i] = base + (i * 0x00010000) - 0x00030000; | |
750 | } else { | |
751 | /* set sector offsets for top boot block type */ | |
752 | i = info->sector_count - 1; | |
753 | info->start[i--] = base + info->size - 0x00004000; | |
754 | info->start[i--] = base + info->size - 0x00006000; | |
755 | info->start[i--] = base + info->size - 0x00008000; | |
756 | ||
757 | for (; i >= 0; i--) | |
758 | info->start[i] = base + i * 0x00010000; | |
759 | } | |
760 | } | |
761 | ||
762 | /* check for protected sectors */ | |
763 | for (i = 0; i < info->sector_count; i++) { | |
764 | /* read sector protection at sector address, (A7 .. A0) = 0x02 */ | |
765 | /* D0 = 1 if protected */ | |
6d0f6bcf | 766 | addr2 = (volatile CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[i]); |
6c5879f3 MB |
767 | |
768 | /* For AMD29033C flash we need to resend the command of * | |
769 | * reading flash protection for upper 8 Mb of flash */ | |
770 | if (i == 32) { | |
6d0f6bcf JCPV |
771 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0xAAAAAAAA; |
772 | addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x55555555; | |
773 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x90909090; | |
6c5879f3 MB |
774 | } |
775 | ||
776 | if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) | |
777 | info->protect[i] = 0; | |
778 | else | |
779 | info->protect[i] = addr2[2] & 1; | |
780 | } | |
781 | ||
782 | /* issue bank reset to return to read mode */ | |
6d0f6bcf | 783 | addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00F000F0; |
6c5879f3 MB |
784 | |
785 | return (info->size); | |
786 | } | |
787 | ||
788 | static int wait_for_DQ7_2(flash_info_t * info, int sect) | |
789 | { | |
790 | ulong start, now, last; | |
6d0f6bcf JCPV |
791 | volatile CONFIG_SYS_FLASH_WORD_SIZE *addr = |
792 | (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[sect]); | |
6c5879f3 MB |
793 | |
794 | start = get_timer(0); | |
795 | last = start; | |
6d0f6bcf JCPV |
796 | while ((addr[0] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) != |
797 | (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) { | |
798 | if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { | |
6c5879f3 MB |
799 | printf("Timeout\n"); |
800 | return -1; | |
801 | } | |
802 | /* show that we're waiting */ | |
803 | if ((now - last) > 1000) { /* every second */ | |
804 | putc('.'); | |
805 | last = now; | |
806 | } | |
807 | } | |
808 | return 0; | |
809 | } | |
810 | ||
811 | static int flash_erase_2(flash_info_t * info, int s_first, int s_last) | |
812 | { | |
6d0f6bcf JCPV |
813 | volatile CONFIG_SYS_FLASH_WORD_SIZE *addr = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[0]); |
814 | volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2; | |
2975fe14 | 815 | int flag, prot, sect; |
6c5879f3 MB |
816 | int i; |
817 | ||
818 | if ((s_first < 0) || (s_first > s_last)) { | |
819 | if (info->flash_id == FLASH_UNKNOWN) | |
820 | printf("- missing\n"); | |
821 | else | |
822 | printf("- no sectors to erase\n"); | |
823 | return 1; | |
824 | } | |
825 | ||
826 | if (info->flash_id == FLASH_UNKNOWN) { | |
827 | printf("Can't erase unknown flash type - aborted\n"); | |
828 | return 1; | |
829 | } | |
830 | ||
831 | prot = 0; | |
832 | for (sect = s_first; sect <= s_last; ++sect) { | |
833 | if (info->protect[sect]) | |
834 | prot++; | |
835 | } | |
836 | ||
837 | if (prot) | |
838 | printf("- Warning: %d protected sectors will not be erased!", prot); | |
839 | ||
840 | printf("\n"); | |
841 | ||
6c5879f3 MB |
842 | /* Disable interrupts which might cause a timeout here */ |
843 | flag = disable_interrupts(); | |
844 | ||
845 | /* Start erase on unprotected sectors */ | |
846 | for (sect = s_first; sect <= s_last; sect++) { | |
847 | if (info->protect[sect] == 0) { /* not protected */ | |
6d0f6bcf | 848 | addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[sect]); |
6c5879f3 MB |
849 | |
850 | if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { | |
6d0f6bcf JCPV |
851 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; |
852 | addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
853 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080; | |
854 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; | |
855 | addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
856 | addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00500050; /* block erase */ | |
6c5879f3 MB |
857 | for (i = 0; i < 50; i++) |
858 | udelay(1000); /* wait 1 ms */ | |
859 | } else { | |
6d0f6bcf JCPV |
860 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; |
861 | addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
862 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080; | |
863 | addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; | |
864 | addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
865 | addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00300030; /* sector erase */ | |
6c5879f3 | 866 | } |
6c5879f3 MB |
867 | /* |
868 | * Wait for each sector to complete, it's more | |
869 | * reliable. According to AMD Spec, you must | |
870 | * issue all erase commands within a specified | |
871 | * timeout. This has been seen to fail, especially | |
872 | * if printf()s are included (for debug)!! | |
873 | */ | |
874 | wait_for_DQ7_2(info, sect); | |
875 | } | |
876 | } | |
877 | ||
878 | /* re-enable interrupts if necessary */ | |
879 | if (flag) | |
880 | enable_interrupts(); | |
881 | ||
882 | /* wait at least 80us - let's wait 1 ms */ | |
883 | udelay(1000); | |
884 | ||
885 | /* reset to read mode */ | |
6d0f6bcf JCPV |
886 | addr = (CONFIG_SYS_FLASH_WORD_SIZE *) info->start[0]; |
887 | addr[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ | |
6c5879f3 MB |
888 | |
889 | printf(" done\n"); | |
890 | return 0; | |
891 | } | |
892 | ||
893 | static int write_word_2(flash_info_t * info, ulong dest, ulong data) | |
894 | { | |
70fb809c WD |
895 | ulong *data_ptr = &data; |
896 | volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[0]); | |
897 | volatile CONFIG_SYS_FLASH_WORD_SIZE *dest2 = (CONFIG_SYS_FLASH_WORD_SIZE *)dest; | |
898 | volatile CONFIG_SYS_FLASH_WORD_SIZE *data2 = (CONFIG_SYS_FLASH_WORD_SIZE *)data_ptr; | |
6c5879f3 MB |
899 | ulong start; |
900 | int i; | |
901 | ||
902 | /* Check if Flash is (sufficiently) erased */ | |
903 | if ((*((vu_long *)dest) & data) != data) | |
904 | return (2); | |
905 | ||
6d0f6bcf | 906 | for (i = 0; i < 4 / sizeof(CONFIG_SYS_FLASH_WORD_SIZE); i++) { |
6c5879f3 MB |
907 | int flag; |
908 | ||
909 | /* Disable interrupts which might cause a timeout here */ | |
910 | flag = disable_interrupts(); | |
911 | ||
6d0f6bcf JCPV |
912 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA; |
913 | addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055; | |
914 | addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00A000A0; | |
6c5879f3 MB |
915 | |
916 | dest2[i] = data2[i]; | |
917 | ||
918 | /* re-enable interrupts if necessary */ | |
919 | if (flag) | |
920 | enable_interrupts(); | |
921 | ||
922 | /* data polling for D7 */ | |
923 | start = get_timer(0); | |
6d0f6bcf JCPV |
924 | while ((dest2[i] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) != |
925 | (data2[i] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080)) { | |
6c5879f3 | 926 | |
6d0f6bcf | 927 | if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) |
6c5879f3 MB |
928 | return (1); |
929 | } | |
930 | } | |
931 | ||
932 | return (0); | |
933 | } | |
6d0f6bcf | 934 | #endif /* CONFIG_SYS_FLASH_2ND_16BIT_DEV */ |
6c5879f3 MB |
935 | |
936 | /*----------------------------------------------------------------------- | |
937 | * Functions | |
938 | */ | |
939 | static ulong flash_get_size(vu_long * addr, flash_info_t * info); | |
940 | static int write_word(flash_info_t * info, ulong dest, ulong data); | |
941 | ||
942 | /*----------------------------------------------------------------------- | |
943 | */ | |
944 | ||
945 | unsigned long flash_init(void) | |
946 | { | |
947 | unsigned long total_b = 0; | |
6d0f6bcf | 948 | unsigned long size_b[CONFIG_SYS_MAX_FLASH_BANKS]; |
6c5879f3 MB |
949 | unsigned short index = 0; |
950 | int i; | |
951 | unsigned long val; | |
952 | unsigned long ebc_boot_size; | |
953 | unsigned long boot_selection; | |
954 | ||
955 | mfsdr(sdr_pstrp0, val); | |
956 | index = (val & SDR0_PSTRP0_BOOTSTRAP_MASK) >> 28; | |
957 | ||
958 | if ((index == 0xc) || (index == 8)) { | |
959 | /* | |
960 | * Boot Settings in IIC EEprom address 0xA8 or 0xA0 | |
961 | * Read Serial Device Strap Register1 in PPC440SPe | |
962 | */ | |
d1c3b275 | 963 | mfsdr(SDR0_SDSTP1, val); |
6c5879f3 MB |
964 | boot_selection = val & SDR0_SDSTP1_BOOT_SEL_MASK; |
965 | ebc_boot_size = val & SDR0_SDSTP1_EBC_ROM_BS_MASK; | |
966 | ||
967 | switch(boot_selection) { | |
968 | case SDR0_SDSTP1_BOOT_SEL_EBC: | |
969 | switch(ebc_boot_size) { | |
970 | case SDR0_SDSTP1_EBC_ROM_BS_16BIT: | |
971 | index = 3; | |
972 | break; | |
973 | case SDR0_SDSTP1_EBC_ROM_BS_8BIT: | |
974 | index = 0; | |
975 | break; | |
976 | } | |
977 | break; | |
978 | ||
979 | case SDR0_SDSTP1_BOOT_SEL_PCI: | |
980 | index = 1; | |
981 | break; | |
982 | ||
983 | } | |
984 | } /*else if (index == 0) {*/ | |
985 | /* if (in8(FPGA_SETTING_REG) & FPGA_SET_REG_OP_CODE_FLASH_ABOVE)*/ | |
b87dfd28 | 986 | /* index = 8;*/ /* sram below op code flash -> new index 8*/ |
6c5879f3 MB |
987 | /* }*/ |
988 | ||
989 | DEBUGF("\n"); | |
990 | DEBUGF("FLASH: Index: %d\n", index); | |
991 | ||
992 | /* Init: no FLASHes known */ | |
6d0f6bcf | 993 | for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { |
6c5879f3 MB |
994 | flash_info[i].flash_id = FLASH_UNKNOWN; |
995 | flash_info[i].sector_count = -1; | |
996 | flash_info[i].size = 0; | |
997 | ||
998 | /* check whether the address is 0 */ | |
999 | if (flash_addr_table[index][i] == 0) | |
1000 | continue; | |
1001 | ||
1002 | /* call flash_get_size() to initialize sector address */ | |
1003 | size_b[i] = flash_get_size((vu_long *) flash_addr_table[index][i], | |
1004 | &flash_info[i]); | |
1005 | ||
1006 | flash_info[i].size = size_b[i]; | |
1007 | ||
1008 | if (flash_info[i].flash_id == FLASH_UNKNOWN) { | |
1009 | printf("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n", | |
1010 | i, size_b[i], size_b[i] << 20); | |
1011 | flash_info[i].sector_count = -1; | |
1012 | flash_info[i].size = 0; | |
1013 | } | |
1014 | ||
1015 | /* Monitor protection ON by default */ | |
6d0f6bcf JCPV |
1016 | (void)flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_MONITOR_BASE, |
1017 | CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN - 1, | |
6c5879f3 | 1018 | &flash_info[i]); |
5a1aceb0 | 1019 | #if defined(CONFIG_ENV_IS_IN_FLASH) |
0e8d1586 JCPV |
1020 | (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR, |
1021 | CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, | |
6c5879f3 | 1022 | &flash_info[i]); |
0e8d1586 JCPV |
1023 | #if defined(CONFIG_ENV_ADDR_REDUND) |
1024 | (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND, | |
1025 | CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, | |
6c5879f3 MB |
1026 | &flash_info[i]); |
1027 | #endif | |
1028 | #endif | |
1029 | total_b += flash_info[i].size; | |
1030 | } | |
1031 | ||
1032 | return total_b; | |
1033 | } |