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[people/ms/u-boot.git] / common / cmd_bootm.c
1 /*
2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24
25 /*
26 * Boot support
27 */
28 #include <common.h>
29 #include <watchdog.h>
30 #include <command.h>
31 #include <image.h>
32 #include <malloc.h>
33 #include <u-boot/zlib.h>
34 #include <bzlib.h>
35 #include <environment.h>
36 #include <lmb.h>
37 #include <linux/ctype.h>
38 #include <asm/byteorder.h>
39 #include <linux/compiler.h>
40
41 #if defined(CONFIG_CMD_USB)
42 #include <usb.h>
43 #endif
44
45 #ifdef CONFIG_SYS_HUSH_PARSER
46 #include <hush.h>
47 #endif
48
49 #if defined(CONFIG_OF_LIBFDT)
50 #include <libfdt.h>
51 #include <fdt_support.h>
52 #endif
53
54 #ifdef CONFIG_LZMA
55 #include <lzma/LzmaTypes.h>
56 #include <lzma/LzmaDec.h>
57 #include <lzma/LzmaTools.h>
58 #endif /* CONFIG_LZMA */
59
60 #ifdef CONFIG_LZO
61 #include <linux/lzo.h>
62 #endif /* CONFIG_LZO */
63
64 DECLARE_GLOBAL_DATA_PTR;
65
66 #ifndef CONFIG_SYS_BOOTM_LEN
67 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
68 #endif
69
70 #ifdef CONFIG_BZIP2
71 extern void bz_internal_error(int);
72 #endif
73
74 #if defined(CONFIG_CMD_IMI)
75 static int image_info(unsigned long addr);
76 #endif
77
78 #if defined(CONFIG_CMD_IMLS)
79 #include <flash.h>
80 #include <mtd/cfi_flash.h>
81 extern flash_info_t flash_info[]; /* info for FLASH chips */
82 #endif
83
84 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
85 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
86 #endif
87
88 #include <linux/err.h>
89 #include <nand.h>
90
91 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
92 static void fixup_silent_linux(void);
93 #endif
94
95 static image_header_t *image_get_kernel(ulong img_addr, int verify);
96 #if defined(CONFIG_FIT)
97 static int fit_check_kernel(const void *fit, int os_noffset, int verify);
98 #endif
99
100 static void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
101 char * const argv[], bootm_headers_t *images,
102 ulong *os_data, ulong *os_len);
103
104 /*
105 * Continue booting an OS image; caller already has:
106 * - copied image header to global variable `header'
107 * - checked header magic number, checksums (both header & image),
108 * - verified image architecture (PPC) and type (KERNEL or MULTI),
109 * - loaded (first part of) image to header load address,
110 * - disabled interrupts.
111 */
112 typedef int boot_os_fn(int flag, int argc, char * const argv[],
113 bootm_headers_t *images); /* pointers to os/initrd/fdt */
114
115 #ifdef CONFIG_BOOTM_LINUX
116 extern boot_os_fn do_bootm_linux;
117 #endif
118 #ifdef CONFIG_BOOTM_NETBSD
119 static boot_os_fn do_bootm_netbsd;
120 #endif
121 #if defined(CONFIG_LYNXKDI)
122 static boot_os_fn do_bootm_lynxkdi;
123 extern void lynxkdi_boot(image_header_t *);
124 #endif
125 #ifdef CONFIG_BOOTM_RTEMS
126 static boot_os_fn do_bootm_rtems;
127 #endif
128 #if defined(CONFIG_BOOTM_OSE)
129 static boot_os_fn do_bootm_ose;
130 #endif
131 #if defined(CONFIG_BOOTM_PLAN9)
132 static boot_os_fn do_bootm_plan9;
133 #endif
134 #if defined(CONFIG_CMD_ELF)
135 static boot_os_fn do_bootm_vxworks;
136 static boot_os_fn do_bootm_qnxelf;
137 int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
138 int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
139 #endif
140 #if defined(CONFIG_INTEGRITY)
141 static boot_os_fn do_bootm_integrity;
142 #endif
143
144 static boot_os_fn *boot_os[] = {
145 #ifdef CONFIG_BOOTM_LINUX
146 [IH_OS_LINUX] = do_bootm_linux,
147 #endif
148 #ifdef CONFIG_BOOTM_NETBSD
149 [IH_OS_NETBSD] = do_bootm_netbsd,
150 #endif
151 #ifdef CONFIG_LYNXKDI
152 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
153 #endif
154 #ifdef CONFIG_BOOTM_RTEMS
155 [IH_OS_RTEMS] = do_bootm_rtems,
156 #endif
157 #if defined(CONFIG_BOOTM_OSE)
158 [IH_OS_OSE] = do_bootm_ose,
159 #endif
160 #if defined(CONFIG_BOOTM_PLAN9)
161 [IH_OS_PLAN9] = do_bootm_plan9,
162 #endif
163 #if defined(CONFIG_CMD_ELF)
164 [IH_OS_VXWORKS] = do_bootm_vxworks,
165 [IH_OS_QNX] = do_bootm_qnxelf,
166 #endif
167 #ifdef CONFIG_INTEGRITY
168 [IH_OS_INTEGRITY] = do_bootm_integrity,
169 #endif
170 };
171
172 bootm_headers_t images; /* pointers to os/initrd/fdt images */
173
174 /* Allow for arch specific config before we boot */
175 static void __arch_preboot_os(void)
176 {
177 /* please define platform specific arch_preboot_os() */
178 }
179 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
180
181 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
182
183 #ifdef CONFIG_LMB
184 static void boot_start_lmb(bootm_headers_t *images)
185 {
186 ulong mem_start;
187 phys_size_t mem_size;
188
189 lmb_init(&images->lmb);
190
191 mem_start = getenv_bootm_low();
192 mem_size = getenv_bootm_size();
193
194 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
195
196 arch_lmb_reserve(&images->lmb);
197 board_lmb_reserve(&images->lmb);
198 }
199 #else
200 #define lmb_reserve(lmb, base, size)
201 static inline void boot_start_lmb(bootm_headers_t *images) { }
202 #endif
203
204 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
205 {
206 void *os_hdr;
207 int ret;
208
209 memset((void *)&images, 0, sizeof(images));
210 images.verify = getenv_yesno("verify");
211
212 boot_start_lmb(&images);
213
214 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
215
216 /* get kernel image header, start address and length */
217 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
218 &images, &images.os.image_start, &images.os.image_len);
219 if (images.os.image_len == 0) {
220 puts("ERROR: can't get kernel image!\n");
221 return 1;
222 }
223
224 /* get image parameters */
225 switch (genimg_get_format(os_hdr)) {
226 case IMAGE_FORMAT_LEGACY:
227 images.os.type = image_get_type(os_hdr);
228 images.os.comp = image_get_comp(os_hdr);
229 images.os.os = image_get_os(os_hdr);
230
231 images.os.end = image_get_image_end(os_hdr);
232 images.os.load = image_get_load(os_hdr);
233 break;
234 #if defined(CONFIG_FIT)
235 case IMAGE_FORMAT_FIT:
236 if (fit_image_get_type(images.fit_hdr_os,
237 images.fit_noffset_os, &images.os.type)) {
238 puts("Can't get image type!\n");
239 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
240 return 1;
241 }
242
243 if (fit_image_get_comp(images.fit_hdr_os,
244 images.fit_noffset_os, &images.os.comp)) {
245 puts("Can't get image compression!\n");
246 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
247 return 1;
248 }
249
250 if (fit_image_get_os(images.fit_hdr_os,
251 images.fit_noffset_os, &images.os.os)) {
252 puts("Can't get image OS!\n");
253 bootstage_error(BOOTSTAGE_ID_FIT_OS);
254 return 1;
255 }
256
257 images.os.end = fit_get_end(images.fit_hdr_os);
258
259 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
260 &images.os.load)) {
261 puts("Can't get image load address!\n");
262 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
263 return 1;
264 }
265 break;
266 #endif
267 default:
268 puts("ERROR: unknown image format type!\n");
269 return 1;
270 }
271
272 /* find kernel entry point */
273 if (images.legacy_hdr_valid) {
274 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
275 #if defined(CONFIG_FIT)
276 } else if (images.fit_uname_os) {
277 ret = fit_image_get_entry(images.fit_hdr_os,
278 images.fit_noffset_os, &images.ep);
279 if (ret) {
280 puts("Can't get entry point property!\n");
281 return 1;
282 }
283 #endif
284 } else {
285 puts("Could not find kernel entry point!\n");
286 return 1;
287 }
288
289 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
290 images.os.load = images.os.image_start;
291 images.ep += images.os.load;
292 }
293
294 if (((images.os.type == IH_TYPE_KERNEL) ||
295 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
296 (images.os.type == IH_TYPE_MULTI)) &&
297 (images.os.os == IH_OS_LINUX)) {
298 /* find ramdisk */
299 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
300 &images.rd_start, &images.rd_end);
301 if (ret) {
302 puts("Ramdisk image is corrupt or invalid\n");
303 return 1;
304 }
305
306 #if defined(CONFIG_OF_LIBFDT)
307 /* find flattened device tree */
308 ret = boot_get_fdt(flag, argc, argv, &images,
309 &images.ft_addr, &images.ft_len);
310 if (ret) {
311 puts("Could not find a valid device tree\n");
312 return 1;
313 }
314
315 set_working_fdt_addr(images.ft_addr);
316 #endif
317 }
318
319 images.os.start = (ulong)os_hdr;
320 images.state = BOOTM_STATE_START;
321
322 return 0;
323 }
324
325 #define BOOTM_ERR_RESET -1
326 #define BOOTM_ERR_OVERLAP -2
327 #define BOOTM_ERR_UNIMPLEMENTED -3
328 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
329 {
330 uint8_t comp = os.comp;
331 ulong load = os.load;
332 ulong blob_start = os.start;
333 ulong blob_end = os.end;
334 ulong image_start = os.image_start;
335 ulong image_len = os.image_len;
336 __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
337 int no_overlap = 0;
338 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
339 int ret;
340 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
341
342 const char *type_name = genimg_get_type_name(os.type);
343
344 switch (comp) {
345 case IH_COMP_NONE:
346 if (load == blob_start || load == image_start) {
347 printf(" XIP %s ... ", type_name);
348 no_overlap = 1;
349 } else {
350 printf(" Loading %s ... ", type_name);
351 memmove_wd((void *)load, (void *)image_start,
352 image_len, CHUNKSZ);
353 }
354 *load_end = load + image_len;
355 puts("OK\n");
356 break;
357 #ifdef CONFIG_GZIP
358 case IH_COMP_GZIP:
359 printf(" Uncompressing %s ... ", type_name);
360 if (gunzip((void *)load, unc_len,
361 (uchar *)image_start, &image_len) != 0) {
362 puts("GUNZIP: uncompress, out-of-mem or overwrite "
363 "error - must RESET board to recover\n");
364 if (boot_progress)
365 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
366 return BOOTM_ERR_RESET;
367 }
368
369 *load_end = load + image_len;
370 break;
371 #endif /* CONFIG_GZIP */
372 #ifdef CONFIG_BZIP2
373 case IH_COMP_BZIP2:
374 printf(" Uncompressing %s ... ", type_name);
375 /*
376 * If we've got less than 4 MB of malloc() space,
377 * use slower decompression algorithm which requires
378 * at most 2300 KB of memory.
379 */
380 int i = BZ2_bzBuffToBuffDecompress((char *)load,
381 &unc_len, (char *)image_start, image_len,
382 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
383 if (i != BZ_OK) {
384 printf("BUNZIP2: uncompress or overwrite error %d "
385 "- must RESET board to recover\n", i);
386 if (boot_progress)
387 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
388 return BOOTM_ERR_RESET;
389 }
390
391 *load_end = load + unc_len;
392 break;
393 #endif /* CONFIG_BZIP2 */
394 #ifdef CONFIG_LZMA
395 case IH_COMP_LZMA: {
396 SizeT lzma_len = unc_len;
397 printf(" Uncompressing %s ... ", type_name);
398
399 ret = lzmaBuffToBuffDecompress(
400 (unsigned char *)load, &lzma_len,
401 (unsigned char *)image_start, image_len);
402 unc_len = lzma_len;
403 if (ret != SZ_OK) {
404 printf("LZMA: uncompress or overwrite error %d "
405 "- must RESET board to recover\n", ret);
406 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
407 return BOOTM_ERR_RESET;
408 }
409 *load_end = load + unc_len;
410 break;
411 }
412 #endif /* CONFIG_LZMA */
413 #ifdef CONFIG_LZO
414 case IH_COMP_LZO:
415 printf(" Uncompressing %s ... ", type_name);
416
417 ret = lzop_decompress((const unsigned char *)image_start,
418 image_len, (unsigned char *)load,
419 &unc_len);
420 if (ret != LZO_E_OK) {
421 printf("LZO: uncompress or overwrite error %d "
422 "- must RESET board to recover\n", ret);
423 if (boot_progress)
424 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
425 return BOOTM_ERR_RESET;
426 }
427
428 *load_end = load + unc_len;
429 break;
430 #endif /* CONFIG_LZO */
431 default:
432 printf("Unimplemented compression type %d\n", comp);
433 return BOOTM_ERR_UNIMPLEMENTED;
434 }
435
436 flush_cache(load, (*load_end - load) * sizeof(ulong));
437
438 puts("OK\n");
439 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
440 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
441
442 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
443 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
444 blob_start, blob_end);
445 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
446 *load_end);
447
448 return BOOTM_ERR_OVERLAP;
449 }
450
451 return 0;
452 }
453
454 static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
455 {
456 char *s;
457 int (*appl)(int, char * const []);
458
459 /* Don't start if "autostart" is set to "no" */
460 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
461 setenv_hex("filesize", images.os.image_len);
462 return 0;
463 }
464 appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
465 (*appl)(argc-1, &argv[1]);
466 return 0;
467 }
468
469 /* we overload the cmd field with our state machine info instead of a
470 * function pointer */
471 static cmd_tbl_t cmd_bootm_sub[] = {
472 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
473 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
474 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
475 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
476 #endif
477 #ifdef CONFIG_OF_LIBFDT
478 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
479 #endif
480 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
481 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
482 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
483 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
484 };
485
486 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
487 char * const argv[])
488 {
489 int ret = 0;
490 long state;
491 cmd_tbl_t *c;
492 boot_os_fn *boot_fn;
493
494 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
495
496 if (c) {
497 state = (long)c->cmd;
498
499 /* treat start special since it resets the state machine */
500 if (state == BOOTM_STATE_START) {
501 argc--;
502 argv++;
503 return bootm_start(cmdtp, flag, argc, argv);
504 }
505 } else {
506 /* Unrecognized command */
507 return CMD_RET_USAGE;
508 }
509
510 if (images.state < BOOTM_STATE_START ||
511 images.state >= state) {
512 printf("Trying to execute a command out of order\n");
513 return CMD_RET_USAGE;
514 }
515
516 images.state |= state;
517 boot_fn = boot_os[images.os.os];
518
519 switch (state) {
520 ulong load_end;
521 case BOOTM_STATE_START:
522 /* should never occur */
523 break;
524 case BOOTM_STATE_LOADOS:
525 ret = bootm_load_os(images.os, &load_end, 0);
526 if (ret)
527 return ret;
528
529 lmb_reserve(&images.lmb, images.os.load,
530 (load_end - images.os.load));
531 break;
532 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
533 case BOOTM_STATE_RAMDISK:
534 {
535 ulong rd_len = images.rd_end - images.rd_start;
536
537 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
538 rd_len, &images.initrd_start, &images.initrd_end);
539 if (ret)
540 return ret;
541
542 setenv_hex("initrd_start", images.initrd_start);
543 setenv_hex("initrd_end", images.initrd_end);
544 }
545 break;
546 #endif
547 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
548 case BOOTM_STATE_FDT:
549 {
550 boot_fdt_add_mem_rsv_regions(&images.lmb,
551 images.ft_addr);
552 ret = boot_relocate_fdt(&images.lmb,
553 &images.ft_addr, &images.ft_len);
554 break;
555 }
556 #endif
557 case BOOTM_STATE_OS_CMDLINE:
558 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
559 if (ret)
560 printf("cmdline subcommand not supported\n");
561 break;
562 case BOOTM_STATE_OS_BD_T:
563 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
564 if (ret)
565 printf("bdt subcommand not supported\n");
566 break;
567 case BOOTM_STATE_OS_PREP:
568 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
569 if (ret)
570 printf("prep subcommand not supported\n");
571 break;
572 case BOOTM_STATE_OS_GO:
573 disable_interrupts();
574 #ifdef CONFIG_NETCONSOLE
575 /*
576 * Stop the ethernet stack if NetConsole could have
577 * left it up
578 */
579 eth_halt();
580 #endif
581 arch_preboot_os();
582 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
583 break;
584 }
585
586 return ret;
587 }
588
589 /*******************************************************************/
590 /* bootm - boot application image from image in memory */
591 /*******************************************************************/
592
593 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
594 {
595 ulong iflag;
596 ulong load_end = 0;
597 int ret;
598 boot_os_fn *boot_fn;
599 #ifdef CONFIG_NEEDS_MANUAL_RELOC
600 static int relocated = 0;
601
602 if (!relocated) {
603 int i;
604
605 /* relocate boot function table */
606 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
607 if (boot_os[i] != NULL)
608 boot_os[i] += gd->reloc_off;
609
610 /* relocate names of sub-command table */
611 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
612 cmd_bootm_sub[i].name += gd->reloc_off;
613
614 relocated = 1;
615 }
616 #endif
617
618 /* determine if we have a sub command */
619 if (argc > 1) {
620 char *endp;
621
622 simple_strtoul(argv[1], &endp, 16);
623 /* endp pointing to NULL means that argv[1] was just a
624 * valid number, pass it along to the normal bootm processing
625 *
626 * If endp is ':' or '#' assume a FIT identifier so pass
627 * along for normal processing.
628 *
629 * Right now we assume the first arg should never be '-'
630 */
631 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
632 return do_bootm_subcommand(cmdtp, flag, argc, argv);
633 }
634
635 if (bootm_start(cmdtp, flag, argc, argv))
636 return 1;
637
638 /*
639 * We have reached the point of no return: we are going to
640 * overwrite all exception vector code, so we cannot easily
641 * recover from any failures any more...
642 */
643 iflag = disable_interrupts();
644
645 #ifdef CONFIG_NETCONSOLE
646 /* Stop the ethernet stack if NetConsole could have left it up */
647 eth_halt();
648 #endif
649
650 #if defined(CONFIG_CMD_USB)
651 /*
652 * turn off USB to prevent the host controller from writing to the
653 * SDRAM while Linux is booting. This could happen (at least for OHCI
654 * controller), because the HCCA (Host Controller Communication Area)
655 * lies within the SDRAM and the host controller writes continously to
656 * this area (as busmaster!). The HccaFrameNumber is for example
657 * updated every 1 ms within the HCCA structure in SDRAM! For more
658 * details see the OpenHCI specification.
659 */
660 usb_stop();
661 #endif
662
663 ret = bootm_load_os(images.os, &load_end, 1);
664
665 if (ret < 0) {
666 if (ret == BOOTM_ERR_RESET)
667 do_reset(cmdtp, flag, argc, argv);
668 if (ret == BOOTM_ERR_OVERLAP) {
669 if (images.legacy_hdr_valid) {
670 image_header_t *hdr;
671 hdr = &images.legacy_hdr_os_copy;
672 if (image_get_type(hdr) == IH_TYPE_MULTI)
673 puts("WARNING: legacy format multi "
674 "component image "
675 "overwritten\n");
676 } else {
677 puts("ERROR: new format image overwritten - "
678 "must RESET the board to recover\n");
679 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
680 do_reset(cmdtp, flag, argc, argv);
681 }
682 }
683 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
684 if (iflag)
685 enable_interrupts();
686 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
687 return 1;
688 }
689 }
690
691 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
692
693 if (images.os.type == IH_TYPE_STANDALONE) {
694 if (iflag)
695 enable_interrupts();
696 /* This may return when 'autostart' is 'no' */
697 bootm_start_standalone(iflag, argc, argv);
698 return 0;
699 }
700
701 bootstage_mark(BOOTSTAGE_ID_CHECK_BOOT_OS);
702
703 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
704 if (images.os.os == IH_OS_LINUX)
705 fixup_silent_linux();
706 #endif
707
708 boot_fn = boot_os[images.os.os];
709
710 if (boot_fn == NULL) {
711 if (iflag)
712 enable_interrupts();
713 printf("ERROR: booting os '%s' (%d) is not supported\n",
714 genimg_get_os_name(images.os.os), images.os.os);
715 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
716 return 1;
717 }
718
719 arch_preboot_os();
720
721 boot_fn(0, argc, argv, &images);
722
723 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
724 #ifdef DEBUG
725 puts("\n## Control returned to monitor - resetting...\n");
726 #endif
727 do_reset(cmdtp, flag, argc, argv);
728
729 return 1;
730 }
731
732 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
733 {
734 const char *ep = getenv("autostart");
735
736 if (ep && !strcmp(ep, "yes")) {
737 char *local_args[2];
738 local_args[0] = (char *)cmd;
739 local_args[1] = NULL;
740 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
741 return do_bootm(cmdtp, 0, 1, local_args);
742 }
743
744 return 0;
745 }
746
747 /**
748 * image_get_kernel - verify legacy format kernel image
749 * @img_addr: in RAM address of the legacy format image to be verified
750 * @verify: data CRC verification flag
751 *
752 * image_get_kernel() verifies legacy image integrity and returns pointer to
753 * legacy image header if image verification was completed successfully.
754 *
755 * returns:
756 * pointer to a legacy image header if valid image was found
757 * otherwise return NULL
758 */
759 static image_header_t *image_get_kernel(ulong img_addr, int verify)
760 {
761 image_header_t *hdr = (image_header_t *)img_addr;
762
763 if (!image_check_magic(hdr)) {
764 puts("Bad Magic Number\n");
765 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
766 return NULL;
767 }
768 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
769
770 if (!image_check_hcrc(hdr)) {
771 puts("Bad Header Checksum\n");
772 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
773 return NULL;
774 }
775
776 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
777 image_print_contents(hdr);
778
779 if (verify) {
780 puts(" Verifying Checksum ... ");
781 if (!image_check_dcrc(hdr)) {
782 printf("Bad Data CRC\n");
783 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
784 return NULL;
785 }
786 puts("OK\n");
787 }
788 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
789
790 if (!image_check_target_arch(hdr)) {
791 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
792 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
793 return NULL;
794 }
795 return hdr;
796 }
797
798 /**
799 * fit_check_kernel - verify FIT format kernel subimage
800 * @fit_hdr: pointer to the FIT image header
801 * os_noffset: kernel subimage node offset within FIT image
802 * @verify: data CRC verification flag
803 *
804 * fit_check_kernel() verifies integrity of the kernel subimage and from
805 * specified FIT image.
806 *
807 * returns:
808 * 1, on success
809 * 0, on failure
810 */
811 #if defined(CONFIG_FIT)
812 static int fit_check_kernel(const void *fit, int os_noffset, int verify)
813 {
814 fit_image_print(fit, os_noffset, " ");
815
816 if (verify) {
817 puts(" Verifying Hash Integrity ... ");
818 if (!fit_image_check_hashes(fit, os_noffset)) {
819 puts("Bad Data Hash\n");
820 bootstage_error(BOOTSTAGE_ID_FIT_CHECK_HASH);
821 return 0;
822 }
823 puts("OK\n");
824 }
825 bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_ARCH);
826
827 if (!fit_image_check_target_arch(fit, os_noffset)) {
828 puts("Unsupported Architecture\n");
829 bootstage_error(BOOTSTAGE_ID_FIT_CHECK_ARCH);
830 return 0;
831 }
832
833 bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_KERNEL);
834 if (!fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL) &&
835 !fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL_NOLOAD)) {
836 puts("Not a kernel image\n");
837 bootstage_error(BOOTSTAGE_ID_FIT_CHECK_KERNEL);
838 return 0;
839 }
840
841 bootstage_mark(BOOTSTAGE_ID_FIT_CHECKED);
842 return 1;
843 }
844 #endif /* CONFIG_FIT */
845
846 /**
847 * boot_get_kernel - find kernel image
848 * @os_data: pointer to a ulong variable, will hold os data start address
849 * @os_len: pointer to a ulong variable, will hold os data length
850 *
851 * boot_get_kernel() tries to find a kernel image, verifies its integrity
852 * and locates kernel data.
853 *
854 * returns:
855 * pointer to image header if valid image was found, plus kernel start
856 * address and length, otherwise NULL
857 */
858 static void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
859 char * const argv[], bootm_headers_t *images, ulong *os_data,
860 ulong *os_len)
861 {
862 image_header_t *hdr;
863 ulong img_addr;
864 #if defined(CONFIG_FIT)
865 void *fit_hdr;
866 const char *fit_uname_config = NULL;
867 const char *fit_uname_kernel = NULL;
868 const void *data;
869 size_t len;
870 int cfg_noffset;
871 int os_noffset;
872 #endif
873
874 /* find out kernel image address */
875 if (argc < 2) {
876 img_addr = load_addr;
877 debug("* kernel: default image load address = 0x%08lx\n",
878 load_addr);
879 #if defined(CONFIG_FIT)
880 } else if (fit_parse_conf(argv[1], load_addr, &img_addr,
881 &fit_uname_config)) {
882 debug("* kernel: config '%s' from image at 0x%08lx\n",
883 fit_uname_config, img_addr);
884 } else if (fit_parse_subimage(argv[1], load_addr, &img_addr,
885 &fit_uname_kernel)) {
886 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
887 fit_uname_kernel, img_addr);
888 #endif
889 } else {
890 img_addr = simple_strtoul(argv[1], NULL, 16);
891 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
892 }
893
894 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
895
896 /* copy from dataflash if needed */
897 img_addr = genimg_get_image(img_addr);
898
899 /* check image type, for FIT images get FIT kernel node */
900 *os_data = *os_len = 0;
901 switch (genimg_get_format((void *)img_addr)) {
902 case IMAGE_FORMAT_LEGACY:
903 printf("## Booting kernel from Legacy Image at %08lx ...\n",
904 img_addr);
905 hdr = image_get_kernel(img_addr, images->verify);
906 if (!hdr)
907 return NULL;
908 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
909
910 /* get os_data and os_len */
911 switch (image_get_type(hdr)) {
912 case IH_TYPE_KERNEL:
913 case IH_TYPE_KERNEL_NOLOAD:
914 *os_data = image_get_data(hdr);
915 *os_len = image_get_data_size(hdr);
916 break;
917 case IH_TYPE_MULTI:
918 image_multi_getimg(hdr, 0, os_data, os_len);
919 break;
920 case IH_TYPE_STANDALONE:
921 *os_data = image_get_data(hdr);
922 *os_len = image_get_data_size(hdr);
923 break;
924 default:
925 printf("Wrong Image Type for %s command\n",
926 cmdtp->name);
927 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
928 return NULL;
929 }
930
931 /*
932 * copy image header to allow for image overwrites during
933 * kernel decompression.
934 */
935 memmove(&images->legacy_hdr_os_copy, hdr,
936 sizeof(image_header_t));
937
938 /* save pointer to image header */
939 images->legacy_hdr_os = hdr;
940
941 images->legacy_hdr_valid = 1;
942 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
943 break;
944 #if defined(CONFIG_FIT)
945 case IMAGE_FORMAT_FIT:
946 fit_hdr = (void *)img_addr;
947 printf("## Booting kernel from FIT Image at %08lx ...\n",
948 img_addr);
949
950 if (!fit_check_format(fit_hdr)) {
951 puts("Bad FIT kernel image format!\n");
952 bootstage_error(BOOTSTAGE_ID_FIT_FORMAT);
953 return NULL;
954 }
955 bootstage_mark(BOOTSTAGE_ID_FIT_FORMAT);
956
957 if (!fit_uname_kernel) {
958 /*
959 * no kernel image node unit name, try to get config
960 * node first. If config unit node name is NULL
961 * fit_conf_get_node() will try to find default config
962 * node
963 */
964 bootstage_mark(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
965 #ifdef CONFIG_FIT_BEST_MATCH
966 if (fit_uname_config)
967 cfg_noffset =
968 fit_conf_get_node(fit_hdr,
969 fit_uname_config);
970 else
971 cfg_noffset =
972 fit_conf_find_compat(fit_hdr,
973 gd->fdt_blob);
974 #else
975 cfg_noffset = fit_conf_get_node(fit_hdr,
976 fit_uname_config);
977 #endif
978 if (cfg_noffset < 0) {
979 bootstage_error(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
980 return NULL;
981 }
982 /* save configuration uname provided in the first
983 * bootm argument
984 */
985 images->fit_uname_cfg = fdt_get_name(fit_hdr,
986 cfg_noffset,
987 NULL);
988 printf(" Using '%s' configuration\n",
989 images->fit_uname_cfg);
990 bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
991
992 os_noffset = fit_conf_get_kernel_node(fit_hdr,
993 cfg_noffset);
994 fit_uname_kernel = fit_get_name(fit_hdr, os_noffset,
995 NULL);
996 } else {
997 /* get kernel component image node offset */
998 bootstage_mark(BOOTSTAGE_ID_FIT_UNIT_NAME);
999 os_noffset = fit_image_get_node(fit_hdr,
1000 fit_uname_kernel);
1001 }
1002 if (os_noffset < 0) {
1003 bootstage_error(BOOTSTAGE_ID_FIT_CONFIG);
1004 return NULL;
1005 }
1006
1007 printf(" Trying '%s' kernel subimage\n", fit_uname_kernel);
1008
1009 bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_SUBIMAGE);
1010 if (!fit_check_kernel(fit_hdr, os_noffset, images->verify))
1011 return NULL;
1012
1013 /* get kernel image data address and length */
1014 if (fit_image_get_data(fit_hdr, os_noffset, &data, &len)) {
1015 puts("Could not find kernel subimage data!\n");
1016 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO_ERR);
1017 return NULL;
1018 }
1019 bootstage_mark(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1020
1021 *os_len = len;
1022 *os_data = (ulong)data;
1023 images->fit_hdr_os = fit_hdr;
1024 images->fit_uname_os = fit_uname_kernel;
1025 images->fit_noffset_os = os_noffset;
1026 break;
1027 #endif
1028 default:
1029 printf("Wrong Image Format for %s command\n", cmdtp->name);
1030 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1031 return NULL;
1032 }
1033
1034 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1035 *os_data, *os_len, *os_len);
1036
1037 return (void *)img_addr;
1038 }
1039
1040 #ifdef CONFIG_SYS_LONGHELP
1041 static char bootm_help_text[] =
1042 "[addr [arg ...]]\n - boot application image stored in memory\n"
1043 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1044 "\t'arg' can be the address of an initrd image\n"
1045 #if defined(CONFIG_OF_LIBFDT)
1046 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1047 "\ta third argument is required which is the address of the\n"
1048 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1049 "\tuse a '-' for the second argument. If you do not pass a third\n"
1050 "\ta bd_info struct will be passed instead\n"
1051 #endif
1052 #if defined(CONFIG_FIT)
1053 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1054 "\tmust be extened to include component or configuration unit name:\n"
1055 "\taddr:<subimg_uname> - direct component image specification\n"
1056 "\taddr#<conf_uname> - configuration specification\n"
1057 "\tUse iminfo command to get the list of existing component\n"
1058 "\timages and configurations.\n"
1059 #endif
1060 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1061 "must be\n"
1062 "issued in the order below (it's ok to not issue all sub-commands):\n"
1063 "\tstart [addr [arg ...]]\n"
1064 "\tloados - load OS image\n"
1065 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1066 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1067 #endif
1068 #if defined(CONFIG_OF_LIBFDT)
1069 "\tfdt - relocate flat device tree\n"
1070 #endif
1071 "\tcmdline - OS specific command line processing/setup\n"
1072 "\tbdt - OS specific bd_t processing\n"
1073 "\tprep - OS specific prep before relocation or go\n"
1074 "\tgo - start OS";
1075 #endif
1076
1077 U_BOOT_CMD(
1078 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1079 "boot application image from memory", bootm_help_text
1080 );
1081
1082 /*******************************************************************/
1083 /* bootd - boot default image */
1084 /*******************************************************************/
1085 #if defined(CONFIG_CMD_BOOTD)
1086 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1087 {
1088 int rcode = 0;
1089
1090 if (run_command(getenv("bootcmd"), flag) < 0)
1091 rcode = 1;
1092 return rcode;
1093 }
1094
1095 U_BOOT_CMD(
1096 boot, 1, 1, do_bootd,
1097 "boot default, i.e., run 'bootcmd'",
1098 ""
1099 );
1100
1101 /* keep old command name "bootd" for backward compatibility */
1102 U_BOOT_CMD(
1103 bootd, 1, 1, do_bootd,
1104 "boot default, i.e., run 'bootcmd'",
1105 ""
1106 );
1107
1108 #endif
1109
1110
1111 /*******************************************************************/
1112 /* iminfo - print header info for a requested image */
1113 /*******************************************************************/
1114 #if defined(CONFIG_CMD_IMI)
1115 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1116 {
1117 int arg;
1118 ulong addr;
1119 int rcode = 0;
1120
1121 if (argc < 2) {
1122 return image_info(load_addr);
1123 }
1124
1125 for (arg = 1; arg < argc; ++arg) {
1126 addr = simple_strtoul(argv[arg], NULL, 16);
1127 if (image_info(addr) != 0)
1128 rcode = 1;
1129 }
1130 return rcode;
1131 }
1132
1133 static int image_info(ulong addr)
1134 {
1135 void *hdr = (void *)addr;
1136
1137 printf("\n## Checking Image at %08lx ...\n", addr);
1138
1139 switch (genimg_get_format(hdr)) {
1140 case IMAGE_FORMAT_LEGACY:
1141 puts(" Legacy image found\n");
1142 if (!image_check_magic(hdr)) {
1143 puts(" Bad Magic Number\n");
1144 return 1;
1145 }
1146
1147 if (!image_check_hcrc(hdr)) {
1148 puts(" Bad Header Checksum\n");
1149 return 1;
1150 }
1151
1152 image_print_contents(hdr);
1153
1154 puts(" Verifying Checksum ... ");
1155 if (!image_check_dcrc(hdr)) {
1156 puts(" Bad Data CRC\n");
1157 return 1;
1158 }
1159 puts("OK\n");
1160 return 0;
1161 #if defined(CONFIG_FIT)
1162 case IMAGE_FORMAT_FIT:
1163 puts(" FIT image found\n");
1164
1165 if (!fit_check_format(hdr)) {
1166 puts("Bad FIT image format!\n");
1167 return 1;
1168 }
1169
1170 fit_print_contents(hdr);
1171
1172 if (!fit_all_image_check_hashes(hdr)) {
1173 puts("Bad hash in FIT image!\n");
1174 return 1;
1175 }
1176
1177 return 0;
1178 #endif
1179 default:
1180 puts("Unknown image format!\n");
1181 break;
1182 }
1183
1184 return 1;
1185 }
1186
1187 U_BOOT_CMD(
1188 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1189 "print header information for application image",
1190 "addr [addr ...]\n"
1191 " - print header information for application image starting at\n"
1192 " address 'addr' in memory; this includes verification of the\n"
1193 " image contents (magic number, header and payload checksums)"
1194 );
1195 #endif
1196
1197
1198 /*******************************************************************/
1199 /* imls - list all images found in flash */
1200 /*******************************************************************/
1201 #if defined(CONFIG_CMD_IMLS)
1202 static int do_imls_nor(void)
1203 {
1204 flash_info_t *info;
1205 int i, j;
1206 void *hdr;
1207
1208 for (i = 0, info = &flash_info[0];
1209 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1210
1211 if (info->flash_id == FLASH_UNKNOWN)
1212 goto next_bank;
1213 for (j = 0; j < info->sector_count; ++j) {
1214
1215 hdr = (void *)info->start[j];
1216 if (!hdr)
1217 goto next_sector;
1218
1219 switch (genimg_get_format(hdr)) {
1220 case IMAGE_FORMAT_LEGACY:
1221 if (!image_check_hcrc(hdr))
1222 goto next_sector;
1223
1224 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1225 image_print_contents(hdr);
1226
1227 puts(" Verifying Checksum ... ");
1228 if (!image_check_dcrc(hdr)) {
1229 puts("Bad Data CRC\n");
1230 } else {
1231 puts("OK\n");
1232 }
1233 break;
1234 #if defined(CONFIG_FIT)
1235 case IMAGE_FORMAT_FIT:
1236 if (!fit_check_format(hdr))
1237 goto next_sector;
1238
1239 printf("FIT Image at %08lX:\n", (ulong)hdr);
1240 fit_print_contents(hdr);
1241 break;
1242 #endif
1243 default:
1244 goto next_sector;
1245 }
1246
1247 next_sector: ;
1248 }
1249 next_bank: ;
1250 }
1251 return 0;
1252 }
1253 #endif
1254
1255 #if defined(CONFIG_CMD_IMLS_NAND)
1256 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1257 size_t len)
1258 {
1259 void *imgdata;
1260 int ret;
1261
1262 imgdata = malloc(len);
1263 if (!imgdata) {
1264 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1265 nand_dev, off);
1266 printf(" Low memory(cannot allocate memory for image)\n");
1267 return -ENOMEM;
1268 }
1269
1270 ret = nand_read_skip_bad(nand, off, &len,
1271 imgdata);
1272 if (ret < 0 && ret != -EUCLEAN) {
1273 free(imgdata);
1274 return ret;
1275 }
1276
1277 if (!image_check_hcrc(imgdata)) {
1278 free(imgdata);
1279 return 0;
1280 }
1281
1282 printf("Legacy Image at NAND device %d offset %08llX:\n",
1283 nand_dev, off);
1284 image_print_contents(imgdata);
1285
1286 puts(" Verifying Checksum ... ");
1287 if (!image_check_dcrc(imgdata))
1288 puts("Bad Data CRC\n");
1289 else
1290 puts("OK\n");
1291
1292 free(imgdata);
1293
1294 return 0;
1295 }
1296
1297 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1298 size_t len)
1299 {
1300 void *imgdata;
1301 int ret;
1302
1303 imgdata = malloc(len);
1304 if (!imgdata) {
1305 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1306 nand_dev, off);
1307 printf(" Low memory(cannot allocate memory for image)\n");
1308 return -ENOMEM;
1309 }
1310
1311 ret = nand_read_skip_bad(nand, off, &len,
1312 imgdata);
1313 if (ret < 0 && ret != -EUCLEAN) {
1314 free(imgdata);
1315 return ret;
1316 }
1317
1318 if (!fit_check_format(imgdata)) {
1319 free(imgdata);
1320 return 0;
1321 }
1322
1323 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1324
1325 fit_print_contents(imgdata);
1326 free(imgdata);
1327
1328 return 0;
1329 }
1330
1331 static int do_imls_nand(void)
1332 {
1333 nand_info_t *nand;
1334 int nand_dev = nand_curr_device;
1335 size_t len;
1336 loff_t off;
1337 u32 buffer[16];
1338
1339 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1340 puts("\nNo NAND devices available\n");
1341 return -ENODEV;
1342 }
1343
1344 printf("\n");
1345
1346 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1347 nand = &nand_info[nand_dev];
1348 if (!nand->name || !nand->size)
1349 continue;
1350
1351 for (off = 0; off < nand->size; off += nand->erasesize) {
1352 const image_header_t *header;
1353 int ret;
1354
1355 if (nand_block_isbad(nand, off))
1356 continue;
1357
1358 len = sizeof(buffer);
1359
1360 ret = nand_read(nand, off, &len, (u8 *)buffer);
1361 if (ret < 0 && ret != -EUCLEAN) {
1362 printf("NAND read error %d at offset %08llX\n",
1363 ret, off);
1364 continue;
1365 }
1366
1367 switch (genimg_get_format(buffer)) {
1368 case IMAGE_FORMAT_LEGACY:
1369 header = (const image_header_t *)buffer;
1370
1371 len = image_get_image_size(header);
1372 nand_imls_legacyimage(nand, nand_dev, off, len);
1373 break;
1374 #if defined(CONFIG_FIT)
1375 case IMAGE_FORMAT_FIT:
1376 len = fit_get_size(buffer);
1377 nand_imls_fitimage(nand, nand_dev, off, len);
1378 break;
1379 #endif
1380 }
1381 }
1382 }
1383
1384 return 0;
1385 }
1386 #endif
1387
1388 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1389 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1390 {
1391 int ret_nor = 0, ret_nand = 0;
1392
1393 #if defined(CONFIG_CMD_IMLS)
1394 ret_nor = do_imls_nor();
1395 #endif
1396
1397 #if defined(CONFIG_CMD_IMLS_NAND)
1398 ret_nand = do_imls_nand();
1399 #endif
1400
1401 if (ret_nor)
1402 return ret_nor;
1403
1404 if (ret_nand)
1405 return ret_nand;
1406
1407 return (0);
1408 }
1409
1410 U_BOOT_CMD(
1411 imls, 1, 1, do_imls,
1412 "list all images found in flash",
1413 "\n"
1414 " - Prints information about all images found at sector/block\n"
1415 " boundaries in nor/nand flash."
1416 );
1417 #endif
1418
1419 /*******************************************************************/
1420 /* helper routines */
1421 /*******************************************************************/
1422 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1423 static void fixup_silent_linux(void)
1424 {
1425 char buf[256], *start, *end;
1426 char *cmdline = getenv("bootargs");
1427
1428 /* Only fix cmdline when requested */
1429 if (!(gd->flags & GD_FLG_SILENT))
1430 return;
1431
1432 debug("before silent fix-up: %s\n", cmdline);
1433 if (cmdline) {
1434 start = strstr(cmdline, "console=");
1435 if (start) {
1436 end = strchr(start, ' ');
1437 strncpy(buf, cmdline, (start - cmdline + 8));
1438 if (end)
1439 strcpy(buf + (start - cmdline + 8), end);
1440 else
1441 buf[start - cmdline + 8] = '\0';
1442 } else {
1443 strcpy(buf, cmdline);
1444 strcat(buf, " console=");
1445 }
1446 } else {
1447 strcpy(buf, "console=");
1448 }
1449
1450 setenv("bootargs", buf);
1451 debug("after silent fix-up: %s\n", buf);
1452 }
1453 #endif /* CONFIG_SILENT_CONSOLE */
1454
1455
1456 /*******************************************************************/
1457 /* OS booting routines */
1458 /*******************************************************************/
1459
1460 #ifdef CONFIG_BOOTM_NETBSD
1461 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1462 bootm_headers_t *images)
1463 {
1464 void (*loader)(bd_t *, image_header_t *, char *, char *);
1465 image_header_t *os_hdr, *hdr;
1466 ulong kernel_data, kernel_len;
1467 char *consdev;
1468 char *cmdline;
1469
1470 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1471 return 1;
1472
1473 #if defined(CONFIG_FIT)
1474 if (!images->legacy_hdr_valid) {
1475 fit_unsupported_reset("NetBSD");
1476 return 1;
1477 }
1478 #endif
1479 hdr = images->legacy_hdr_os;
1480
1481 /*
1482 * Booting a (NetBSD) kernel image
1483 *
1484 * This process is pretty similar to a standalone application:
1485 * The (first part of an multi-) image must be a stage-2 loader,
1486 * which in turn is responsible for loading & invoking the actual
1487 * kernel. The only differences are the parameters being passed:
1488 * besides the board info strucure, the loader expects a command
1489 * line, the name of the console device, and (optionally) the
1490 * address of the original image header.
1491 */
1492 os_hdr = NULL;
1493 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1494 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1495 if (kernel_len)
1496 os_hdr = hdr;
1497 }
1498
1499 consdev = "";
1500 #if defined(CONFIG_8xx_CONS_SMC1)
1501 consdev = "smc1";
1502 #elif defined(CONFIG_8xx_CONS_SMC2)
1503 consdev = "smc2";
1504 #elif defined(CONFIG_8xx_CONS_SCC2)
1505 consdev = "scc2";
1506 #elif defined(CONFIG_8xx_CONS_SCC3)
1507 consdev = "scc3";
1508 #endif
1509
1510 if (argc > 2) {
1511 ulong len;
1512 int i;
1513
1514 for (i = 2, len = 0; i < argc; i += 1)
1515 len += strlen(argv[i]) + 1;
1516 cmdline = malloc(len);
1517
1518 for (i = 2, len = 0; i < argc; i += 1) {
1519 if (i > 2)
1520 cmdline[len++] = ' ';
1521 strcpy(&cmdline[len], argv[i]);
1522 len += strlen(argv[i]);
1523 }
1524 } else if ((cmdline = getenv("bootargs")) == NULL) {
1525 cmdline = "";
1526 }
1527
1528 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1529
1530 printf("## Transferring control to NetBSD stage-2 loader "
1531 "(at address %08lx) ...\n",
1532 (ulong)loader);
1533
1534 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1535
1536 /*
1537 * NetBSD Stage-2 Loader Parameters:
1538 * r3: ptr to board info data
1539 * r4: image address
1540 * r5: console device
1541 * r6: boot args string
1542 */
1543 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1544
1545 return 1;
1546 }
1547 #endif /* CONFIG_BOOTM_NETBSD*/
1548
1549 #ifdef CONFIG_LYNXKDI
1550 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1551 bootm_headers_t *images)
1552 {
1553 image_header_t *hdr = &images->legacy_hdr_os_copy;
1554
1555 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1556 return 1;
1557
1558 #if defined(CONFIG_FIT)
1559 if (!images->legacy_hdr_valid) {
1560 fit_unsupported_reset("Lynx");
1561 return 1;
1562 }
1563 #endif
1564
1565 lynxkdi_boot((image_header_t *)hdr);
1566
1567 return 1;
1568 }
1569 #endif /* CONFIG_LYNXKDI */
1570
1571 #ifdef CONFIG_BOOTM_RTEMS
1572 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1573 bootm_headers_t *images)
1574 {
1575 void (*entry_point)(bd_t *);
1576
1577 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1578 return 1;
1579
1580 #if defined(CONFIG_FIT)
1581 if (!images->legacy_hdr_valid) {
1582 fit_unsupported_reset("RTEMS");
1583 return 1;
1584 }
1585 #endif
1586
1587 entry_point = (void (*)(bd_t *))images->ep;
1588
1589 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1590 (ulong)entry_point);
1591
1592 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1593
1594 /*
1595 * RTEMS Parameters:
1596 * r3: ptr to board info data
1597 */
1598 (*entry_point)(gd->bd);
1599
1600 return 1;
1601 }
1602 #endif /* CONFIG_BOOTM_RTEMS */
1603
1604 #if defined(CONFIG_BOOTM_OSE)
1605 static int do_bootm_ose(int flag, int argc, char * const argv[],
1606 bootm_headers_t *images)
1607 {
1608 void (*entry_point)(void);
1609
1610 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1611 return 1;
1612
1613 #if defined(CONFIG_FIT)
1614 if (!images->legacy_hdr_valid) {
1615 fit_unsupported_reset("OSE");
1616 return 1;
1617 }
1618 #endif
1619
1620 entry_point = (void (*)(void))images->ep;
1621
1622 printf("## Transferring control to OSE (at address %08lx) ...\n",
1623 (ulong)entry_point);
1624
1625 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1626
1627 /*
1628 * OSE Parameters:
1629 * None
1630 */
1631 (*entry_point)();
1632
1633 return 1;
1634 }
1635 #endif /* CONFIG_BOOTM_OSE */
1636
1637 #if defined(CONFIG_BOOTM_PLAN9)
1638 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1639 bootm_headers_t *images)
1640 {
1641 void (*entry_point)(void);
1642
1643 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1644 return 1;
1645
1646 #if defined(CONFIG_FIT)
1647 if (!images->legacy_hdr_valid) {
1648 fit_unsupported_reset("Plan 9");
1649 return 1;
1650 }
1651 #endif
1652
1653 entry_point = (void (*)(void))images->ep;
1654
1655 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1656 (ulong)entry_point);
1657
1658 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1659
1660 /*
1661 * Plan 9 Parameters:
1662 * None
1663 */
1664 (*entry_point)();
1665
1666 return 1;
1667 }
1668 #endif /* CONFIG_BOOTM_PLAN9 */
1669
1670 #if defined(CONFIG_CMD_ELF)
1671 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1672 bootm_headers_t *images)
1673 {
1674 char str[80];
1675
1676 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1677 return 1;
1678
1679 #if defined(CONFIG_FIT)
1680 if (!images->legacy_hdr_valid) {
1681 fit_unsupported_reset("VxWorks");
1682 return 1;
1683 }
1684 #endif
1685
1686 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1687 setenv("loadaddr", str);
1688 do_bootvx(NULL, 0, 0, NULL);
1689
1690 return 1;
1691 }
1692
1693 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1694 bootm_headers_t *images)
1695 {
1696 char *local_args[2];
1697 char str[16];
1698
1699 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1700 return 1;
1701
1702 #if defined(CONFIG_FIT)
1703 if (!images->legacy_hdr_valid) {
1704 fit_unsupported_reset("QNX");
1705 return 1;
1706 }
1707 #endif
1708
1709 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1710 local_args[0] = argv[0];
1711 local_args[1] = str; /* and provide it via the arguments */
1712 do_bootelf(NULL, 0, 2, local_args);
1713
1714 return 1;
1715 }
1716 #endif
1717
1718 #ifdef CONFIG_INTEGRITY
1719 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1720 bootm_headers_t *images)
1721 {
1722 void (*entry_point)(void);
1723
1724 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1725 return 1;
1726
1727 #if defined(CONFIG_FIT)
1728 if (!images->legacy_hdr_valid) {
1729 fit_unsupported_reset("INTEGRITY");
1730 return 1;
1731 }
1732 #endif
1733
1734 entry_point = (void (*)(void))images->ep;
1735
1736 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1737 (ulong)entry_point);
1738
1739 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1740
1741 /*
1742 * INTEGRITY Parameters:
1743 * None
1744 */
1745 (*entry_point)();
1746
1747 return 1;
1748 }
1749 #endif
1750
1751 #ifdef CONFIG_CMD_BOOTZ
1752
1753 static int __bootz_setup(void *image, void **start, void **end)
1754 {
1755 /* Please define bootz_setup() for your platform */
1756
1757 puts("Your platform's zImage format isn't supported yet!\n");
1758 return -1;
1759 }
1760 int bootz_setup(void *image, void **start, void **end)
1761 __attribute__((weak, alias("__bootz_setup")));
1762
1763 /*
1764 * zImage booting support
1765 */
1766 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1767 char * const argv[], bootm_headers_t *images)
1768 {
1769 int ret;
1770 void *zi_start, *zi_end;
1771
1772 memset(images, 0, sizeof(bootm_headers_t));
1773
1774 boot_start_lmb(images);
1775
1776 /* Setup Linux kernel zImage entry point */
1777 if (argc < 2) {
1778 images->ep = load_addr;
1779 debug("* kernel: default image load address = 0x%08lx\n",
1780 load_addr);
1781 } else {
1782 images->ep = simple_strtoul(argv[1], NULL, 16);
1783 debug("* kernel: cmdline image address = 0x%08lx\n",
1784 images->ep);
1785 }
1786
1787 ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
1788 if (ret != 0)
1789 return 1;
1790
1791 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1792
1793 /* Find ramdisk */
1794 ret = boot_get_ramdisk(argc, argv, images, IH_INITRD_ARCH,
1795 &images->rd_start, &images->rd_end);
1796 if (ret) {
1797 puts("Ramdisk image is corrupt or invalid\n");
1798 return 1;
1799 }
1800
1801 #if defined(CONFIG_OF_LIBFDT)
1802 /* find flattened device tree */
1803 ret = boot_get_fdt(flag, argc, argv, images,
1804 &images->ft_addr, &images->ft_len);
1805 if (ret) {
1806 puts("Could not find a valid device tree\n");
1807 return 1;
1808 }
1809
1810 set_working_fdt_addr(images->ft_addr);
1811 #endif
1812
1813 return 0;
1814 }
1815
1816 static int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1817 {
1818 bootm_headers_t images;
1819
1820 if (bootz_start(cmdtp, flag, argc, argv, &images))
1821 return 1;
1822
1823 /*
1824 * We have reached the point of no return: we are going to
1825 * overwrite all exception vector code, so we cannot easily
1826 * recover from any failures any more...
1827 */
1828 disable_interrupts();
1829
1830 #ifdef CONFIG_NETCONSOLE
1831 /* Stop the ethernet stack if NetConsole could have left it up */
1832 eth_halt();
1833 #endif
1834
1835 #if defined(CONFIG_CMD_USB)
1836 /*
1837 * turn off USB to prevent the host controller from writing to the
1838 * SDRAM while Linux is booting. This could happen (at least for OHCI
1839 * controller), because the HCCA (Host Controller Communication Area)
1840 * lies within the SDRAM and the host controller writes continously to
1841 * this area (as busmaster!). The HccaFrameNumber is for example
1842 * updated every 1 ms within the HCCA structure in SDRAM! For more
1843 * details see the OpenHCI specification.
1844 */
1845 usb_stop();
1846 #endif
1847
1848 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1849 fixup_silent_linux();
1850 #endif
1851 arch_preboot_os();
1852
1853 do_bootm_linux(0, argc, argv, &images);
1854 #ifdef DEBUG
1855 puts("\n## Control returned to monitor - resetting...\n");
1856 #endif
1857 do_reset(cmdtp, flag, argc, argv);
1858
1859 return 1;
1860 }
1861
1862 #ifdef CONFIG_SYS_LONGHELP
1863 static char bootz_help_text[] =
1864 "[addr [initrd[:size]] [fdt]]\n"
1865 " - boot Linux zImage stored in memory\n"
1866 "\tThe argument 'initrd' is optional and specifies the address\n"
1867 "\tof the initrd in memory. The optional argument ':size' allows\n"
1868 "\tspecifying the size of RAW initrd.\n"
1869 #if defined(CONFIG_OF_LIBFDT)
1870 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1871 "\ta third argument is required which is the address of the\n"
1872 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1873 "\tuse a '-' for the second argument. If you do not pass a third\n"
1874 "\ta bd_info struct will be passed instead\n"
1875 #endif
1876 "";
1877 #endif
1878
1879 U_BOOT_CMD(
1880 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1881 "boot Linux zImage image from memory", bootz_help_text
1882 );
1883 #endif /* CONFIG_CMD_BOOTZ */
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