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b97a2a0a MB |
1 | /* |
2 | * (C) Copyright 2008 Semihalf | |
3 | * | |
4 | * (C) Copyright 2000-2006 | |
5 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
6 | * | |
7 | * See file CREDITS for list of people who contributed to this | |
8 | * project. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public License as | |
12 | * published by the Free Software Foundation; either version 2 of | |
13 | * the License, or (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
23 | * MA 02111-1307 USA | |
24 | */ | |
ceaed2b1 MB |
25 | |
26 | #define DEBUG | |
27 | ||
b97a2a0a | 28 | #ifndef USE_HOSTCC |
5ad03eb3 MB |
29 | #include <common.h> |
30 | #include <watchdog.h> | |
31 | ||
32 | #ifdef CONFIG_SHOW_BOOT_PROGRESS | |
33 | #include <status_led.h> | |
34 | #endif | |
35 | ||
36 | #ifdef CONFIG_HAS_DATAFLASH | |
37 | #include <dataflash.h> | |
38 | #endif | |
39 | ||
ceaed2b1 MB |
40 | #ifdef CONFIG_LOGBUFFER |
41 | #include <logbuff.h> | |
42 | #endif | |
43 | ||
2242f536 MB |
44 | #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) |
45 | #include <rtc.h> | |
46 | #endif | |
47 | ||
fff888a1 MB |
48 | #if defined(CONFIG_FIT) |
49 | #include <fdt.h> | |
50 | #include <libfdt.h> | |
51 | #include <fdt_support.h> | |
52 | #endif | |
53 | ||
b6b0fe64 MB |
54 | #ifdef CONFIG_CMD_BDI |
55 | extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); | |
56 | #endif | |
57 | ||
58 | DECLARE_GLOBAL_DATA_PTR; | |
8a5ea3e6 MB |
59 | |
60 | static image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag, | |
61 | int argc, char *argv[], | |
62 | ulong rd_addr, uint8_t arch, int verify); | |
b97a2a0a | 63 | #else |
5ad03eb3 | 64 | #include "mkimage.h" |
b6b0fe64 | 65 | #endif /* USE_HOSTCC*/ |
b97a2a0a MB |
66 | |
67 | #include <image.h> | |
68 | ||
69 | unsigned long crc32 (unsigned long, const unsigned char *, unsigned int); | |
70 | ||
9a4daad0 MB |
71 | /*****************************************************************************/ |
72 | /* Legacy format routines */ | |
73 | /*****************************************************************************/ | |
b97a2a0a MB |
74 | int image_check_hcrc (image_header_t *hdr) |
75 | { | |
76 | ulong hcrc; | |
77 | ulong len = image_get_header_size (); | |
78 | image_header_t header; | |
79 | ||
80 | /* Copy header so we can blank CRC field for re-calculation */ | |
81 | memmove (&header, (char *)hdr, image_get_header_size ()); | |
82 | image_set_hcrc (&header, 0); | |
83 | ||
84 | hcrc = crc32 (0, (unsigned char *)&header, len); | |
85 | ||
86 | return (hcrc == image_get_hcrc (hdr)); | |
87 | } | |
88 | ||
89 | int image_check_dcrc (image_header_t *hdr) | |
90 | { | |
91 | ulong data = image_get_data (hdr); | |
92 | ulong len = image_get_data_size (hdr); | |
93 | ulong dcrc = crc32 (0, (unsigned char *)data, len); | |
94 | ||
95 | return (dcrc == image_get_dcrc (hdr)); | |
96 | } | |
97 | ||
af13cdbc | 98 | #ifndef USE_HOSTCC |
b97a2a0a MB |
99 | int image_check_dcrc_wd (image_header_t *hdr, ulong chunksz) |
100 | { | |
101 | ulong dcrc = 0; | |
102 | ulong len = image_get_data_size (hdr); | |
103 | ulong data = image_get_data (hdr); | |
104 | ||
105 | #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) | |
106 | ulong cdata = data; | |
107 | ulong edata = cdata + len; | |
108 | ||
109 | while (cdata < edata) { | |
110 | ulong chunk = edata - cdata; | |
111 | ||
112 | if (chunk > chunksz) | |
113 | chunk = chunksz; | |
114 | dcrc = crc32 (dcrc, (unsigned char *)cdata, chunk); | |
115 | cdata += chunk; | |
116 | ||
117 | WATCHDOG_RESET (); | |
118 | } | |
119 | #else | |
120 | dcrc = crc32 (0, (unsigned char *)data, len); | |
121 | #endif | |
122 | ||
123 | return (dcrc == image_get_dcrc (hdr)); | |
124 | } | |
125 | ||
f13e7b2e MB |
126 | /** |
127 | * image_multi_count - get component (sub-image) count | |
128 | * @hdr: pointer to the header of the multi component image | |
129 | * | |
130 | * image_multi_count() returns number of components in a multi | |
131 | * component image. | |
132 | * | |
133 | * Note: no checking of the image type is done, caller must pass | |
134 | * a valid multi component image. | |
135 | * | |
136 | * returns: | |
137 | * number of components | |
138 | */ | |
139 | ulong image_multi_count (image_header_t *hdr) | |
140 | { | |
141 | ulong i, count = 0; | |
142 | ulong *size; | |
143 | ||
144 | /* get start of the image payload, which in case of multi | |
145 | * component images that points to a table of component sizes */ | |
146 | size = (ulong *)image_get_data (hdr); | |
147 | ||
148 | /* count non empty slots */ | |
149 | for (i = 0; size[i]; ++i) | |
150 | count++; | |
151 | ||
152 | return count; | |
153 | } | |
154 | ||
155 | /** | |
156 | * image_multi_getimg - get component data address and size | |
157 | * @hdr: pointer to the header of the multi component image | |
158 | * @idx: index of the requested component | |
159 | * @data: pointer to a ulong variable, will hold component data address | |
160 | * @len: pointer to a ulong variable, will hold component size | |
161 | * | |
162 | * image_multi_getimg() returns size and data address for the requested | |
163 | * component in a multi component image. | |
164 | * | |
165 | * Note: no checking of the image type is done, caller must pass | |
166 | * a valid multi component image. | |
167 | * | |
168 | * returns: | |
169 | * data address and size of the component, if idx is valid | |
170 | * 0 in data and len, if idx is out of range | |
171 | */ | |
172 | void image_multi_getimg (image_header_t *hdr, ulong idx, | |
173 | ulong *data, ulong *len) | |
174 | { | |
175 | int i; | |
176 | ulong *size; | |
177 | ulong offset, tail, count, img_data; | |
178 | ||
179 | /* get number of component */ | |
180 | count = image_multi_count (hdr); | |
181 | ||
182 | /* get start of the image payload, which in case of multi | |
183 | * component images that points to a table of component sizes */ | |
184 | size = (ulong *)image_get_data (hdr); | |
185 | ||
186 | /* get address of the proper component data start, which means | |
187 | * skipping sizes table (add 1 for last, null entry) */ | |
188 | img_data = image_get_data (hdr) + (count + 1) * sizeof (ulong); | |
189 | ||
190 | if (idx < count) { | |
191 | *len = size[idx]; | |
192 | offset = 0; | |
193 | tail = 0; | |
194 | ||
195 | /* go over all indices preceding requested component idx */ | |
196 | for (i = 0; i < idx; i++) { | |
197 | /* add up i-th component size */ | |
198 | offset += size[i]; | |
199 | ||
200 | /* add up alignment for i-th component */ | |
201 | tail += (4 - size[i] % 4); | |
202 | } | |
203 | ||
204 | /* calculate idx-th component data address */ | |
205 | *data = img_data + offset + tail; | |
206 | } else { | |
207 | *len = 0; | |
208 | *data = 0; | |
209 | } | |
210 | } | |
42b73e8e MB |
211 | |
212 | #ifndef USE_HOSTCC | |
9a4daad0 MB |
213 | static void image_print_type (image_header_t *hdr) |
214 | { | |
215 | const char *os, *arch, *type, *comp; | |
216 | ||
217 | os = genimg_get_os_name (image_get_os (hdr)); | |
218 | arch = genimg_get_arch_name (image_get_arch (hdr)); | |
219 | type = genimg_get_type_name (image_get_type (hdr)); | |
220 | comp = genimg_get_comp_name (image_get_comp (hdr)); | |
221 | ||
222 | printf ("%s %s %s (%s)", arch, os, type, comp); | |
223 | } | |
224 | ||
225 | void image_print_contents (image_header_t *hdr) | |
226 | { | |
227 | #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) | |
228 | time_t timestamp = (time_t)image_get_time (hdr); | |
229 | struct rtc_time tm; | |
230 | #endif | |
231 | ||
232 | printf (" Image Name: %.*s\n", IH_NMLEN, image_get_name (hdr)); | |
233 | ||
234 | #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) | |
235 | to_tm (timestamp, &tm); | |
236 | printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n", | |
237 | tm.tm_year, tm.tm_mon, tm.tm_mday, | |
238 | tm.tm_hour, tm.tm_min, tm.tm_sec); | |
239 | #endif | |
240 | puts (" Image Type: "); | |
241 | image_print_type (hdr); | |
242 | ||
243 | printf ("\n Data Size: %d Bytes = ", image_get_data_size (hdr)); | |
244 | print_size (image_get_data_size (hdr), "\n"); | |
245 | printf (" Load Address: %08x\n" | |
246 | " Entry Point: %08x\n", | |
247 | image_get_load (hdr), image_get_ep (hdr)); | |
248 | ||
249 | if (image_check_type (hdr, IH_TYPE_MULTI)) { | |
250 | int i; | |
251 | ulong data, len; | |
252 | ulong count = image_multi_count (hdr); | |
253 | ||
254 | puts (" Contents:\n"); | |
255 | for (i = 0; i < count; i++) { | |
256 | image_multi_getimg (hdr, i, &data, &len); | |
257 | printf (" Image %d: %8ld Bytes = ", i, len); | |
258 | print_size (len, "\n"); | |
259 | } | |
260 | } | |
261 | } | |
262 | ||
263 | /** | |
264 | * image_get_ramdisk - get and verify ramdisk image | |
265 | * @cmdtp: command table pointer | |
266 | * @flag: command flag | |
267 | * @argc: command argument count | |
268 | * @argv: command argument list | |
269 | * @rd_addr: ramdisk image start address | |
270 | * @arch: expected ramdisk architecture | |
271 | * @verify: checksum verification flag | |
272 | * | |
273 | * image_get_ramdisk() returns a pointer to the verified ramdisk image | |
274 | * header. Routine receives image start address and expected architecture | |
275 | * flag. Verification done covers data and header integrity and os/type/arch | |
276 | * fields checking. | |
277 | * | |
278 | * If dataflash support is enabled routine checks for dataflash addresses | |
279 | * and handles required dataflash reads. | |
280 | * | |
281 | * returns: | |
282 | * pointer to a ramdisk image header, if image was found and valid | |
283 | * otherwise, return NULL | |
284 | */ | |
285 | static image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag, | |
286 | int argc, char *argv[], | |
287 | ulong rd_addr, uint8_t arch, int verify) | |
288 | { | |
289 | image_header_t *rd_hdr; | |
290 | ||
291 | show_boot_progress (9); | |
292 | rd_hdr = (image_header_t *)rd_addr; | |
293 | ||
294 | if (!image_check_magic (rd_hdr)) { | |
295 | puts ("Bad Magic Number\n"); | |
296 | show_boot_progress (-10); | |
297 | return NULL; | |
298 | } | |
299 | ||
300 | if (!image_check_hcrc (rd_hdr)) { | |
301 | puts ("Bad Header Checksum\n"); | |
302 | show_boot_progress (-11); | |
303 | return NULL; | |
304 | } | |
305 | ||
306 | show_boot_progress (10); | |
307 | image_print_contents (rd_hdr); | |
308 | ||
309 | if (verify) { | |
310 | puts(" Verifying Checksum ... "); | |
311 | if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) { | |
312 | puts ("Bad Data CRC\n"); | |
313 | show_boot_progress (-12); | |
314 | return NULL; | |
315 | } | |
316 | puts("OK\n"); | |
317 | } | |
318 | ||
319 | show_boot_progress (11); | |
320 | ||
321 | if (!image_check_os (rd_hdr, IH_OS_LINUX) || | |
322 | !image_check_arch (rd_hdr, arch) || | |
323 | !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { | |
324 | printf ("No Linux %s Ramdisk Image\n", | |
325 | genimg_get_arch_name(arch)); | |
326 | show_boot_progress (-13); | |
327 | return NULL; | |
328 | } | |
329 | ||
330 | return rd_hdr; | |
331 | } | |
332 | ||
333 | /*****************************************************************************/ | |
334 | /* Shared dual-format routines */ | |
335 | /*****************************************************************************/ | |
336 | int getenv_verify (void) | |
337 | { | |
338 | char *s = getenv ("verify"); | |
339 | return (s && (*s == 'n')) ? 0 : 1; | |
340 | } | |
341 | ||
342 | int getenv_autostart (void) | |
343 | { | |
344 | char *s = getenv ("autostart"); | |
345 | return (s && (*s == 'n')) ? 0 : 1; | |
346 | } | |
347 | ||
348 | ulong getenv_bootm_low(void) | |
349 | { | |
350 | char *s = getenv ("bootm_low"); | |
351 | if (s) { | |
352 | ulong tmp = simple_strtoul (s, NULL, 16); | |
353 | return tmp; | |
354 | } | |
355 | ||
356 | #ifdef CFG_SDRAM_BASE | |
357 | return CFG_SDRAM_BASE; | |
358 | #else | |
359 | return 0; | |
360 | #endif | |
361 | } | |
362 | ||
363 | ulong getenv_bootm_size(void) | |
364 | { | |
365 | char *s = getenv ("bootm_size"); | |
366 | if (s) { | |
367 | ulong tmp = simple_strtoul (s, NULL, 16); | |
368 | return tmp; | |
369 | } | |
370 | ||
371 | return gd->bd->bi_memsize; | |
372 | } | |
373 | ||
374 | void memmove_wd (void *to, void *from, size_t len, ulong chunksz) | |
375 | { | |
376 | #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) | |
377 | while (len > 0) { | |
378 | size_t tail = (len > chunksz) ? chunksz : len; | |
379 | WATCHDOG_RESET (); | |
380 | memmove (to, from, tail); | |
381 | to += tail; | |
382 | from += tail; | |
383 | len -= tail; | |
384 | } | |
385 | #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ | |
386 | memmove (to, from, len); | |
387 | #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ | |
388 | } | |
389 | #endif /* USE_HOSTCC */ | |
390 | ||
391 | const char* genimg_get_os_name (uint8_t os) | |
42b73e8e MB |
392 | { |
393 | const char *name; | |
394 | ||
395 | switch (os) { | |
396 | case IH_OS_INVALID: name = "Invalid OS"; break; | |
397 | case IH_OS_NETBSD: name = "NetBSD"; break; | |
398 | case IH_OS_LINUX: name = "Linux"; break; | |
399 | case IH_OS_VXWORKS: name = "VxWorks"; break; | |
400 | case IH_OS_QNX: name = "QNX"; break; | |
401 | case IH_OS_U_BOOT: name = "U-Boot"; break; | |
402 | case IH_OS_RTEMS: name = "RTEMS"; break; | |
403 | #ifdef CONFIG_ARTOS | |
404 | case IH_OS_ARTOS: name = "ARTOS"; break; | |
405 | #endif | |
406 | #ifdef CONFIG_LYNXKDI | |
407 | case IH_OS_LYNXOS: name = "LynxOS"; break; | |
408 | #endif | |
409 | default: name = "Unknown OS"; break; | |
410 | } | |
411 | ||
412 | return name; | |
413 | } | |
414 | ||
9a4daad0 | 415 | const char* genimg_get_arch_name (uint8_t arch) |
42b73e8e MB |
416 | { |
417 | const char *name; | |
418 | ||
419 | switch (arch) { | |
420 | case IH_ARCH_INVALID: name = "Invalid Architecture"; break; | |
421 | case IH_ARCH_ALPHA: name = "Alpha"; break; | |
422 | case IH_ARCH_ARM: name = "ARM"; break; | |
423 | case IH_ARCH_AVR32: name = "AVR32"; break; | |
424 | case IH_ARCH_BLACKFIN: name = "Blackfin"; break; | |
425 | case IH_ARCH_I386: name = "Intel x86"; break; | |
426 | case IH_ARCH_IA64: name = "IA64"; break; | |
427 | case IH_ARCH_M68K: name = "M68K"; break; | |
428 | case IH_ARCH_MICROBLAZE:name = "Microblaze"; break; | |
429 | case IH_ARCH_MIPS64: name = "MIPS 64 Bit"; break; | |
430 | case IH_ARCH_MIPS: name = "MIPS"; break; | |
431 | case IH_ARCH_NIOS2: name = "Nios-II"; break; | |
432 | case IH_ARCH_NIOS: name = "Nios"; break; | |
433 | case IH_ARCH_PPC: name = "PowerPC"; break; | |
434 | case IH_ARCH_S390: name = "IBM S390"; break; | |
435 | case IH_ARCH_SH: name = "SuperH"; break; | |
436 | case IH_ARCH_SPARC64: name = "SPARC 64 Bit"; break; | |
437 | case IH_ARCH_SPARC: name = "SPARC"; break; | |
438 | default: name = "Unknown Architecture"; break; | |
439 | } | |
440 | ||
441 | return name; | |
442 | } | |
443 | ||
9a4daad0 | 444 | const char* genimg_get_type_name (uint8_t type) |
42b73e8e MB |
445 | { |
446 | const char *name; | |
447 | ||
448 | switch (type) { | |
449 | case IH_TYPE_INVALID: name = "Invalid Image"; break; | |
450 | case IH_TYPE_STANDALONE:name = "Standalone Program"; break; | |
451 | case IH_TYPE_KERNEL: name = "Kernel Image"; break; | |
452 | case IH_TYPE_RAMDISK: name = "RAMDisk Image"; break; | |
453 | case IH_TYPE_MULTI: name = "Multi-File Image"; break; | |
454 | case IH_TYPE_FIRMWARE: name = "Firmware"; break; | |
455 | case IH_TYPE_SCRIPT: name = "Script"; break; | |
456 | case IH_TYPE_FLATDT: name = "Flat Device Tree"; break; | |
457 | default: name = "Unknown Image"; break; | |
458 | } | |
459 | ||
460 | return name; | |
461 | } | |
462 | ||
9a4daad0 | 463 | const char* genimg_get_comp_name (uint8_t comp) |
42b73e8e MB |
464 | { |
465 | const char *name; | |
466 | ||
467 | switch (comp) { | |
468 | case IH_COMP_NONE: name = "uncompressed"; break; | |
469 | case IH_COMP_GZIP: name = "gzip compressed"; break; | |
470 | case IH_COMP_BZIP2: name = "bzip2 compressed"; break; | |
471 | default: name = "unknown compression"; break; | |
472 | } | |
473 | ||
474 | return name; | |
475 | } | |
5ad03eb3 | 476 | |
fff888a1 | 477 | /** |
9a4daad0 | 478 | * genimg_get_format - get image format type |
fff888a1 MB |
479 | * @img_addr: image start address |
480 | * | |
9a4daad0 | 481 | * genimg_get_format() checks whether provided address points to a valid |
fff888a1 MB |
482 | * legacy or FIT image. |
483 | * | |
4efbe9db MB |
484 | * New uImage format and FDT blob are based on a libfdt. FDT blob |
485 | * may be passed directly or embedded in a FIT image. In both situations | |
9a4daad0 | 486 | * genimg_get_format() must be able to dectect libfdt header. |
4efbe9db | 487 | * |
fff888a1 MB |
488 | * returns: |
489 | * image format type or IMAGE_FORMAT_INVALID if no image is present | |
490 | */ | |
9a4daad0 | 491 | int genimg_get_format (void *img_addr) |
fff888a1 MB |
492 | { |
493 | ulong format = IMAGE_FORMAT_INVALID; | |
494 | image_header_t *hdr; | |
4efbe9db | 495 | #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) |
fff888a1 MB |
496 | char *fit_hdr; |
497 | #endif | |
498 | ||
499 | hdr = (image_header_t *)img_addr; | |
500 | if (image_check_magic(hdr)) | |
501 | format = IMAGE_FORMAT_LEGACY; | |
4efbe9db | 502 | #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) |
fff888a1 MB |
503 | else { |
504 | fit_hdr = (char *)img_addr; | |
505 | if (fdt_check_header (fit_hdr) == 0) | |
506 | format = IMAGE_FORMAT_FIT; | |
507 | } | |
508 | #endif | |
509 | ||
510 | return format; | |
511 | } | |
512 | ||
513 | /** | |
9a4daad0 | 514 | * genimg_get_image - get image from special storage (if necessary) |
fff888a1 MB |
515 | * @img_addr: image start address |
516 | * | |
9a4daad0 | 517 | * genimg_get_image() checks if provided image start adddress is located |
fff888a1 MB |
518 | * in a dataflash storage. If so, image is moved to a system RAM memory. |
519 | * | |
520 | * returns: | |
521 | * image start address after possible relocation from special storage | |
522 | */ | |
9a4daad0 | 523 | ulong genimg_get_image (ulong img_addr) |
fff888a1 | 524 | { |
6f0f9dfc | 525 | ulong ram_addr = img_addr; |
fff888a1 MB |
526 | |
527 | #ifdef CONFIG_HAS_DATAFLASH | |
6f0f9dfc MB |
528 | ulong h_size, d_size; |
529 | ||
fff888a1 | 530 | if (addr_dataflash (img_addr)){ |
6f0f9dfc | 531 | /* ger RAM address */ |
fff888a1 | 532 | ram_addr = CFG_LOAD_ADDR; |
6f0f9dfc MB |
533 | |
534 | /* get header size */ | |
535 | h_size = image_get_header_size (); | |
536 | #if defined(CONFIG_FIT) | |
537 | if (sizeof(struct fdt_header) > h_size) | |
538 | h_size = sizeof(struct fdt_header); | |
539 | #endif | |
540 | ||
541 | /* read in header */ | |
fff888a1 MB |
542 | debug (" Reading image header from dataflash address " |
543 | "%08lx to RAM address %08lx\n", img_addr, ram_addr); | |
fff888a1 | 544 | |
6f0f9dfc | 545 | read_dataflash (img_addr, h_size, (char *)ram_addr); |
fff888a1 | 546 | |
6f0f9dfc | 547 | /* get data size */ |
9a4daad0 | 548 | switch (genimg_get_format ((void *)ram_addr)) { |
6f0f9dfc MB |
549 | case IMAGE_FORMAT_LEGACY: |
550 | d_size = image_get_data_size ((image_header_t *)ram_addr); | |
551 | debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", | |
552 | ram_addr, d_size); | |
553 | break; | |
fff888a1 | 554 | #if defined(CONFIG_FIT) |
6f0f9dfc MB |
555 | case IMAGE_FORMAT_FIT: |
556 | d_size = fdt_totalsize((void *)ram_addr) - h_size; | |
557 | debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", | |
558 | ram_addr, d_size); | |
559 | break; | |
fff888a1 | 560 | #endif |
6f0f9dfc MB |
561 | default: |
562 | printf (" No valid image found at 0x%08lx\n", img_addr); | |
563 | return ram_addr; | |
564 | } | |
fff888a1 | 565 | |
6f0f9dfc | 566 | /* read in image data */ |
fff888a1 MB |
567 | debug (" Reading image remaining data from dataflash address " |
568 | "%08lx to RAM address %08lx\n", img_addr + h_size, | |
569 | ram_addr + h_size); | |
570 | ||
571 | read_dataflash (img_addr + h_size, d_size, | |
572 | (char *)(ram_addr + h_size)); | |
6f0f9dfc | 573 | |
fff888a1 | 574 | } |
6f0f9dfc | 575 | #endif /* CONFIG_HAS_DATAFLASH */ |
fff888a1 MB |
576 | |
577 | return ram_addr; | |
578 | } | |
579 | ||
5ad03eb3 | 580 | /** |
9a4daad0 | 581 | * boot_get_ramdisk - main ramdisk handling routine |
5ad03eb3 MB |
582 | * @cmdtp: command table pointer |
583 | * @flag: command flag | |
584 | * @argc: command argument count | |
585 | * @argv: command argument list | |
8a5ea3e6 | 586 | * @images: pointer to the bootm images structure |
5ad03eb3 MB |
587 | * @arch: expected ramdisk architecture |
588 | * @rd_start: pointer to a ulong variable, will hold ramdisk start address | |
589 | * @rd_end: pointer to a ulong variable, will hold ramdisk end | |
590 | * | |
9a4daad0 | 591 | * boot_get_ramdisk() is responsible for finding a valid ramdisk image. |
5ad03eb3 MB |
592 | * Curently supported are the following ramdisk sources: |
593 | * - multicomponent kernel/ramdisk image, | |
594 | * - commandline provided address of decicated ramdisk image. | |
595 | * | |
596 | * returns: | |
597 | * rd_start and rd_end are set to ramdisk start/end addresses if | |
598 | * ramdisk image is found and valid | |
599 | * rd_start and rd_end are set to 0 if no ramdisk exists | |
274cea2b | 600 | * return 1 if ramdisk image is found but corrupted |
5ad03eb3 | 601 | */ |
9a4daad0 | 602 | int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], |
8a5ea3e6 | 603 | bootm_headers_t *images, uint8_t arch, |
5ad03eb3 MB |
604 | ulong *rd_start, ulong *rd_end) |
605 | { | |
d5934ad7 | 606 | ulong rd_addr, rd_load; |
5ad03eb3 MB |
607 | ulong rd_data, rd_len; |
608 | image_header_t *rd_hdr; | |
d5934ad7 MB |
609 | #if defined(CONFIG_FIT) |
610 | void *fit_hdr; | |
611 | const char *fit_uname_config = NULL; | |
612 | const char *fit_uname_ramdisk = NULL; | |
613 | ulong default_addr; | |
614 | #endif | |
5ad03eb3 | 615 | |
d5934ad7 MB |
616 | /* |
617 | * Look for a '-' which indicates to ignore the | |
618 | * ramdisk argument | |
619 | */ | |
620 | if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { | |
621 | debug ("## Skipping init Ramdisk\n"); | |
622 | rd_len = rd_data = 0; | |
623 | } else if (argc >= 3) { | |
624 | #if defined(CONFIG_FIT) | |
5ad03eb3 | 625 | /* |
d5934ad7 MB |
626 | * If the init ramdisk comes from the FIT image and the FIT image |
627 | * address is omitted in the command line argument, try to use | |
628 | * os FIT image address or default load address. | |
5ad03eb3 | 629 | */ |
d5934ad7 MB |
630 | if (images->fit_uname_os) |
631 | default_addr = (ulong)images->fit_hdr_os; | |
632 | else | |
633 | default_addr = load_addr; | |
634 | ||
635 | if (fit_parse_conf (argv[2], default_addr, | |
636 | &rd_addr, &fit_uname_config)) { | |
637 | debug ("* ramdisk: config '%s' from image at 0x%08lx\n", | |
638 | fit_uname_config, rd_addr); | |
639 | } else if (fit_parse_subimage (argv[2], default_addr, | |
640 | &rd_addr, &fit_uname_ramdisk)) { | |
641 | debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", | |
642 | fit_uname_ramdisk, rd_addr); | |
643 | } else | |
644 | #endif | |
645 | { | |
646 | rd_addr = simple_strtoul(argv[2], NULL, 16); | |
647 | debug ("* ramdisk: cmdline image address = 0x%08lx\n", | |
5ad03eb3 | 648 | rd_addr); |
d5934ad7 MB |
649 | } |
650 | ||
651 | /* copy from dataflash if needed */ | |
652 | printf ("## Loading init Ramdisk Image at %08lx ...\n", | |
653 | rd_addr); | |
9a4daad0 | 654 | rd_addr = genimg_get_image (rd_addr); |
d5934ad7 MB |
655 | |
656 | /* | |
657 | * Check if there is an initrd image at the | |
658 | * address provided in the second bootm argument | |
659 | * check image type, for FIT images get FIT node. | |
660 | */ | |
9a4daad0 | 661 | switch (genimg_get_format ((void *)rd_addr)) { |
d5934ad7 MB |
662 | case IMAGE_FORMAT_LEGACY: |
663 | ||
664 | debug ("* ramdisk: legacy format image\n"); | |
5ad03eb3 MB |
665 | |
666 | rd_hdr = image_get_ramdisk (cmdtp, flag, argc, argv, | |
8a5ea3e6 | 667 | rd_addr, arch, images->verify); |
5ad03eb3 | 668 | |
274cea2b KG |
669 | if (rd_hdr == NULL) { |
670 | *rd_start = 0; | |
671 | *rd_end = 0; | |
672 | return 1; | |
673 | } | |
674 | ||
5ad03eb3 MB |
675 | rd_data = image_get_data (rd_hdr); |
676 | rd_len = image_get_data_size (rd_hdr); | |
d5934ad7 MB |
677 | rd_load = image_get_load (rd_hdr); |
678 | break; | |
679 | #if defined(CONFIG_FIT) | |
680 | case IMAGE_FORMAT_FIT: | |
681 | fit_hdr = (void *)rd_addr; | |
682 | debug ("* ramdisk: FIT format image\n"); | |
683 | fit_unsupported_reset ("ramdisk"); | |
274cea2b | 684 | return 1; |
d5934ad7 MB |
685 | #endif |
686 | default: | |
687 | printf ("Wrong Image Format for %s command\n", | |
688 | cmdtp->name); | |
689 | rd_data = rd_len = 0; | |
690 | } | |
5ad03eb3 MB |
691 | |
692 | #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) | |
d5934ad7 MB |
693 | /* |
694 | * We need to copy the ramdisk to SRAM to let Linux boot | |
695 | */ | |
696 | if (rd_data) { | |
697 | memmove ((void *)rd_load, (uchar *)rd_data, rd_len); | |
698 | rd_data = rd_load; | |
5ad03eb3 | 699 | } |
d5934ad7 | 700 | #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ |
5ad03eb3 | 701 | |
d5934ad7 MB |
702 | } else if (images->legacy_hdr_valid && |
703 | image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) { | |
5ad03eb3 | 704 | /* |
d5934ad7 MB |
705 | * Now check if we have a legacy mult-component image, |
706 | * get second entry data start address and len. | |
5ad03eb3 MB |
707 | */ |
708 | show_boot_progress (13); | |
709 | printf ("## Loading init Ramdisk from multi component " | |
d5934ad7 MB |
710 | "Image at %08lx ...\n", |
711 | (ulong)images->legacy_hdr_os); | |
712 | ||
713 | image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); | |
5ad03eb3 MB |
714 | } else { |
715 | /* | |
716 | * no initrd image | |
717 | */ | |
718 | show_boot_progress (14); | |
719 | rd_len = rd_data = 0; | |
720 | } | |
721 | ||
722 | if (!rd_data) { | |
723 | debug ("## No init Ramdisk\n"); | |
724 | *rd_start = 0; | |
725 | *rd_end = 0; | |
726 | } else { | |
727 | *rd_start = rd_data; | |
728 | *rd_end = rd_data + rd_len; | |
729 | } | |
730 | debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", | |
731 | *rd_start, *rd_end); | |
274cea2b KG |
732 | |
733 | return 0; | |
5ad03eb3 | 734 | } |
ceaed2b1 MB |
735 | |
736 | #if defined(CONFIG_PPC) || defined(CONFIG_M68K) | |
737 | /** | |
9a4daad0 | 738 | * boot_ramdisk_high - relocate init ramdisk |
e822d7fc | 739 | * @lmb: pointer to lmb handle, will be used for memory mgmt |
ceaed2b1 MB |
740 | * @rd_data: ramdisk data start address |
741 | * @rd_len: ramdisk data length | |
ceaed2b1 MB |
742 | * @initrd_start: pointer to a ulong variable, will hold final init ramdisk |
743 | * start address (after possible relocation) | |
744 | * @initrd_end: pointer to a ulong variable, will hold final init ramdisk | |
745 | * end address (after possible relocation) | |
746 | * | |
9a4daad0 | 747 | * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement |
ceaed2b1 MB |
748 | * variable and if requested ramdisk data is moved to a specified location. |
749 | * | |
9a4daad0 MB |
750 | * Initrd_start and initrd_end are set to final (after relocation) ramdisk |
751 | * start/end addresses if ramdisk image start and len were provided, | |
752 | * otherwise set initrd_start and initrd_end set to zeros. | |
753 | * | |
ceaed2b1 | 754 | * returns: |
9a4daad0 MB |
755 | * 0 - success |
756 | * -1 - failure | |
ceaed2b1 | 757 | */ |
9a4daad0 | 758 | int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, |
e822d7fc | 759 | ulong *initrd_start, ulong *initrd_end) |
ceaed2b1 MB |
760 | { |
761 | char *s; | |
762 | ulong initrd_high; | |
763 | int initrd_copy_to_ram = 1; | |
764 | ||
765 | if ((s = getenv ("initrd_high")) != NULL) { | |
766 | /* a value of "no" or a similar string will act like 0, | |
767 | * turning the "load high" feature off. This is intentional. | |
768 | */ | |
769 | initrd_high = simple_strtoul (s, NULL, 16); | |
770 | if (initrd_high == ~0) | |
771 | initrd_copy_to_ram = 0; | |
772 | } else { | |
773 | /* not set, no restrictions to load high */ | |
774 | initrd_high = ~0; | |
775 | } | |
776 | ||
ceaed2b1 MB |
777 | debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", |
778 | initrd_high, initrd_copy_to_ram); | |
779 | ||
780 | if (rd_data) { | |
781 | if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ | |
782 | debug (" in-place initrd\n"); | |
783 | *initrd_start = rd_data; | |
784 | *initrd_end = rd_data + rd_len; | |
e822d7fc | 785 | lmb_reserve(lmb, rd_data, rd_len); |
ceaed2b1 | 786 | } else { |
e822d7fc | 787 | if (initrd_high) |
9a4daad0 | 788 | *initrd_start = lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); |
e822d7fc | 789 | else |
9a4daad0 | 790 | *initrd_start = lmb_alloc (lmb, rd_len, 0x1000); |
e822d7fc KG |
791 | |
792 | if (*initrd_start == 0) { | |
9a4daad0 | 793 | puts ("ramdisk - allocation error\n"); |
e822d7fc | 794 | goto error; |
ceaed2b1 | 795 | } |
ceaed2b1 MB |
796 | show_boot_progress (12); |
797 | ||
798 | *initrd_end = *initrd_start + rd_len; | |
799 | printf (" Loading Ramdisk to %08lx, end %08lx ... ", | |
800 | *initrd_start, *initrd_end); | |
801 | ||
9a4daad0 | 802 | memmove_wd ((void *)*initrd_start, |
ceaed2b1 MB |
803 | (void *)rd_data, rd_len, CHUNKSZ); |
804 | ||
805 | puts ("OK\n"); | |
806 | } | |
807 | } else { | |
808 | *initrd_start = 0; | |
809 | *initrd_end = 0; | |
810 | } | |
811 | debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", | |
812 | *initrd_start, *initrd_end); | |
9a4daad0 | 813 | |
e822d7fc | 814 | return 0; |
b6b0fe64 | 815 | |
e822d7fc KG |
816 | error: |
817 | return -1; | |
b6b0fe64 MB |
818 | } |
819 | ||
820 | /** | |
9a4daad0 | 821 | * boot_get_cmdline - allocate and initialize kernel cmdline |
e822d7fc | 822 | * @lmb: pointer to lmb handle, will be used for memory mgmt |
b6b0fe64 MB |
823 | * @cmd_start: pointer to a ulong variable, will hold cmdline start |
824 | * @cmd_end: pointer to a ulong variable, will hold cmdline end | |
e822d7fc KG |
825 | * @bootmap_base: ulong variable, holds offset in physical memory to |
826 | * base of bootmap | |
b6b0fe64 | 827 | * |
9a4daad0 | 828 | * boot_get_cmdline() allocates space for kernel command line below |
e822d7fc | 829 | * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt |
b6b0fe64 MB |
830 | * variable is present its contents is copied to allocated kernel |
831 | * command line. | |
832 | * | |
833 | * returns: | |
e822d7fc KG |
834 | * 0 - success |
835 | * -1 - failure | |
b6b0fe64 | 836 | */ |
9a4daad0 | 837 | int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, |
e822d7fc | 838 | ulong bootmap_base) |
b6b0fe64 MB |
839 | { |
840 | char *cmdline; | |
841 | char *s; | |
842 | ||
e822d7fc KG |
843 | cmdline = (char *)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf, |
844 | CFG_BOOTMAPSZ + bootmap_base); | |
845 | ||
846 | if (cmdline == NULL) | |
847 | return -1; | |
b6b0fe64 MB |
848 | |
849 | if ((s = getenv("bootargs")) == NULL) | |
850 | s = ""; | |
851 | ||
852 | strcpy(cmdline, s); | |
853 | ||
854 | *cmd_start = (ulong) & cmdline[0]; | |
855 | *cmd_end = *cmd_start + strlen(cmdline); | |
856 | ||
857 | debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); | |
858 | ||
e822d7fc | 859 | return 0; |
b6b0fe64 MB |
860 | } |
861 | ||
862 | /** | |
9a4daad0 | 863 | * boot_get_kbd - allocate and initialize kernel copy of board info |
e822d7fc | 864 | * @lmb: pointer to lmb handle, will be used for memory mgmt |
b6b0fe64 | 865 | * @kbd: double pointer to board info data |
e822d7fc KG |
866 | * @bootmap_base: ulong variable, holds offset in physical memory to |
867 | * base of bootmap | |
b6b0fe64 | 868 | * |
9a4daad0 | 869 | * boot_get_kbd() allocates space for kernel copy of board info data below |
e822d7fc KG |
870 | * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with |
871 | * the current u-boot board info data. | |
b6b0fe64 MB |
872 | * |
873 | * returns: | |
e822d7fc KG |
874 | * 0 - success |
875 | * -1 - failure | |
b6b0fe64 | 876 | */ |
9a4daad0 | 877 | int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) |
b6b0fe64 | 878 | { |
e822d7fc KG |
879 | *kbd = (bd_t *)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, |
880 | CFG_BOOTMAPSZ + bootmap_base); | |
881 | if (*kbd == NULL) | |
882 | return -1; | |
883 | ||
b6b0fe64 MB |
884 | **kbd = *(gd->bd); |
885 | ||
886 | debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); | |
887 | ||
888 | #if defined(DEBUG) && defined(CONFIG_CMD_BDI) | |
889 | do_bdinfo(NULL, 0, 0, NULL); | |
890 | #endif | |
891 | ||
e822d7fc | 892 | return 0; |
ceaed2b1 MB |
893 | } |
894 | #endif /* CONFIG_PPC || CONFIG_M68K */ | |
5ad03eb3 | 895 | |
f50433d6 MB |
896 | #if defined(CONFIG_FIT) |
897 | /*****************************************************************************/ | |
898 | /* New uImage format routines */ | |
899 | /*****************************************************************************/ | |
900 | static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, | |
901 | ulong *addr, const char **name) | |
902 | { | |
903 | const char *sep; | |
904 | ||
905 | *addr = addr_curr; | |
906 | *name = NULL; | |
907 | ||
908 | sep = strchr (spec, sepc); | |
909 | if (sep) { | |
910 | if (sep - spec > 0) | |
911 | *addr = simple_strtoul (spec, NULL, 16); | |
912 | ||
913 | *name = sep + 1; | |
914 | return 1; | |
915 | } | |
916 | ||
917 | return 0; | |
918 | } | |
919 | ||
920 | /** | |
921 | * fit_parse_conf - parse FIT configuration spec | |
922 | * @spec: input string, containing configuration spec | |
923 | * @add_curr: current image address (to be used as a possible default) | |
924 | * @addr: pointer to a ulong variable, will hold FIT image address of a given | |
925 | * configuration | |
926 | * @conf_name double pointer to a char, will hold pointer to a configuration | |
927 | * unit name | |
928 | * | |
929 | * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, | |
930 | * where <addr> is a FIT image address that contains configuration | |
931 | * with a <conf> unit name. | |
932 | * | |
933 | * Address part is optional, and if omitted default add_curr will | |
934 | * be used instead. | |
935 | * | |
936 | * returns: | |
937 | * 1 if spec is a valid configuration string, | |
938 | * addr and conf_name are set accordingly | |
939 | * 0 otherwise | |
940 | */ | |
941 | inline int fit_parse_conf (const char *spec, ulong addr_curr, | |
942 | ulong *addr, const char **conf_name) | |
943 | { | |
944 | return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); | |
945 | } | |
946 | ||
947 | /** | |
948 | * fit_parse_subimage - parse FIT subimage spec | |
949 | * @spec: input string, containing subimage spec | |
950 | * @add_curr: current image address (to be used as a possible default) | |
951 | * @addr: pointer to a ulong variable, will hold FIT image address of a given | |
952 | * subimage | |
953 | * @image_name: double pointer to a char, will hold pointer to a subimage name | |
954 | * | |
955 | * fit_parse_subimage() expects subimage spec in the for of | |
956 | * [<addr>]:<subimage>, where <addr> is a FIT image address that contains | |
957 | * subimage with a <subimg> unit name. | |
958 | * | |
959 | * Address part is optional, and if omitted default add_curr will | |
960 | * be used instead. | |
961 | * | |
962 | * returns: | |
963 | * 1 if spec is a valid subimage string, | |
964 | * addr and image_name are set accordingly | |
965 | * 0 otherwise | |
966 | */ | |
967 | inline int fit_parse_subimage (const char *spec, ulong addr_curr, | |
968 | ulong *addr, const char **image_name) | |
969 | { | |
970 | return fit_parse_spec (spec, ':', addr_curr, addr, image_name); | |
971 | } | |
d5934ad7 | 972 | |
f50433d6 MB |
973 | #endif /* CONFIG_FIT */ |
974 | ||
b6b0fe64 | 975 | #endif /* USE_HOSTCC */ |