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image: Use fit_image_load() to load FDT
[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 <asm/io.h>
40 #include <linux/compiler.h>
41
42 #if defined(CONFIG_CMD_USB)
43 #include <usb.h>
44 #endif
45
46 #ifdef CONFIG_SYS_HUSH_PARSER
47 #include <hush.h>
48 #endif
49
50 #if defined(CONFIG_OF_LIBFDT)
51 #include <libfdt.h>
52 #include <fdt_support.h>
53 #endif
54
55 #ifdef CONFIG_LZMA
56 #include <lzma/LzmaTypes.h>
57 #include <lzma/LzmaDec.h>
58 #include <lzma/LzmaTools.h>
59 #endif /* CONFIG_LZMA */
60
61 #ifdef CONFIG_LZO
62 #include <linux/lzo.h>
63 #endif /* CONFIG_LZO */
64
65 DECLARE_GLOBAL_DATA_PTR;
66
67 #ifndef CONFIG_SYS_BOOTM_LEN
68 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
69 #endif
70
71 #ifdef CONFIG_BZIP2
72 extern void bz_internal_error(int);
73 #endif
74
75 #if defined(CONFIG_CMD_IMI)
76 static int image_info(unsigned long addr);
77 #endif
78
79 #if defined(CONFIG_CMD_IMLS)
80 #include <flash.h>
81 #include <mtd/cfi_flash.h>
82 extern flash_info_t flash_info[]; /* info for FLASH chips */
83 #endif
84
85 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
86 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
87 #endif
88
89 #include <linux/err.h>
90 #include <nand.h>
91
92 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
93 static void fixup_silent_linux(void);
94 #endif
95
96 static image_header_t *image_get_kernel(ulong img_addr, int verify);
97 #if defined(CONFIG_FIT)
98 static int fit_check_kernel(const void *fit, int os_noffset, int verify);
99 #endif
100
101 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
102 char * const argv[], bootm_headers_t *images,
103 ulong *os_data, ulong *os_len);
104
105 /*
106 * Continue booting an OS image; caller already has:
107 * - copied image header to global variable `header'
108 * - checked header magic number, checksums (both header & image),
109 * - verified image architecture (PPC) and type (KERNEL or MULTI),
110 * - loaded (first part of) image to header load address,
111 * - disabled interrupts.
112 */
113 typedef int boot_os_fn(int flag, int argc, char * const argv[],
114 bootm_headers_t *images); /* pointers to os/initrd/fdt */
115
116 #ifdef CONFIG_BOOTM_LINUX
117 extern boot_os_fn do_bootm_linux;
118 #endif
119 #ifdef CONFIG_BOOTM_NETBSD
120 static boot_os_fn do_bootm_netbsd;
121 #endif
122 #if defined(CONFIG_LYNXKDI)
123 static boot_os_fn do_bootm_lynxkdi;
124 extern void lynxkdi_boot(image_header_t *);
125 #endif
126 #ifdef CONFIG_BOOTM_RTEMS
127 static boot_os_fn do_bootm_rtems;
128 #endif
129 #if defined(CONFIG_BOOTM_OSE)
130 static boot_os_fn do_bootm_ose;
131 #endif
132 #if defined(CONFIG_BOOTM_PLAN9)
133 static boot_os_fn do_bootm_plan9;
134 #endif
135 #if defined(CONFIG_CMD_ELF)
136 static boot_os_fn do_bootm_vxworks;
137 static boot_os_fn do_bootm_qnxelf;
138 int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
139 int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
140 #endif
141 #if defined(CONFIG_INTEGRITY)
142 static boot_os_fn do_bootm_integrity;
143 #endif
144
145 static boot_os_fn *boot_os[] = {
146 #ifdef CONFIG_BOOTM_LINUX
147 [IH_OS_LINUX] = do_bootm_linux,
148 #endif
149 #ifdef CONFIG_BOOTM_NETBSD
150 [IH_OS_NETBSD] = do_bootm_netbsd,
151 #endif
152 #ifdef CONFIG_LYNXKDI
153 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
154 #endif
155 #ifdef CONFIG_BOOTM_RTEMS
156 [IH_OS_RTEMS] = do_bootm_rtems,
157 #endif
158 #if defined(CONFIG_BOOTM_OSE)
159 [IH_OS_OSE] = do_bootm_ose,
160 #endif
161 #if defined(CONFIG_BOOTM_PLAN9)
162 [IH_OS_PLAN9] = do_bootm_plan9,
163 #endif
164 #if defined(CONFIG_CMD_ELF)
165 [IH_OS_VXWORKS] = do_bootm_vxworks,
166 [IH_OS_QNX] = do_bootm_qnxelf,
167 #endif
168 #ifdef CONFIG_INTEGRITY
169 [IH_OS_INTEGRITY] = do_bootm_integrity,
170 #endif
171 };
172
173 bootm_headers_t images; /* pointers to os/initrd/fdt images */
174
175 /* Allow for arch specific config before we boot */
176 static void __arch_preboot_os(void)
177 {
178 /* please define platform specific arch_preboot_os() */
179 }
180 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
181
182 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
183
184 #ifdef CONFIG_LMB
185 static void boot_start_lmb(bootm_headers_t *images)
186 {
187 ulong mem_start;
188 phys_size_t mem_size;
189
190 lmb_init(&images->lmb);
191
192 mem_start = getenv_bootm_low();
193 mem_size = getenv_bootm_size();
194
195 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
196
197 arch_lmb_reserve(&images->lmb);
198 board_lmb_reserve(&images->lmb);
199 }
200 #else
201 #define lmb_reserve(lmb, base, size)
202 static inline void boot_start_lmb(bootm_headers_t *images) { }
203 #endif
204
205 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
206 {
207 const void *os_hdr;
208 int ret;
209
210 memset((void *)&images, 0, sizeof(images));
211 images.verify = getenv_yesno("verify");
212
213 boot_start_lmb(&images);
214
215 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
216
217 /* get kernel image header, start address and length */
218 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
219 &images, &images.os.image_start, &images.os.image_len);
220 if (images.os.image_len == 0) {
221 puts("ERROR: can't get kernel image!\n");
222 return 1;
223 }
224
225 /* get image parameters */
226 switch (genimg_get_format(os_hdr)) {
227 case IMAGE_FORMAT_LEGACY:
228 images.os.type = image_get_type(os_hdr);
229 images.os.comp = image_get_comp(os_hdr);
230 images.os.os = image_get_os(os_hdr);
231
232 images.os.end = image_get_image_end(os_hdr);
233 images.os.load = image_get_load(os_hdr);
234 break;
235 #if defined(CONFIG_FIT)
236 case IMAGE_FORMAT_FIT:
237 if (fit_image_get_type(images.fit_hdr_os,
238 images.fit_noffset_os, &images.os.type)) {
239 puts("Can't get image type!\n");
240 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
241 return 1;
242 }
243
244 if (fit_image_get_comp(images.fit_hdr_os,
245 images.fit_noffset_os, &images.os.comp)) {
246 puts("Can't get image compression!\n");
247 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
248 return 1;
249 }
250
251 if (fit_image_get_os(images.fit_hdr_os,
252 images.fit_noffset_os, &images.os.os)) {
253 puts("Can't get image OS!\n");
254 bootstage_error(BOOTSTAGE_ID_FIT_OS);
255 return 1;
256 }
257
258 images.os.end = fit_get_end(images.fit_hdr_os);
259
260 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
261 &images.os.load)) {
262 puts("Can't get image load address!\n");
263 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
264 return 1;
265 }
266 break;
267 #endif
268 default:
269 puts("ERROR: unknown image format type!\n");
270 return 1;
271 }
272
273 /* find kernel entry point */
274 if (images.legacy_hdr_valid) {
275 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
276 #if defined(CONFIG_FIT)
277 } else if (images.fit_uname_os) {
278 ret = fit_image_get_entry(images.fit_hdr_os,
279 images.fit_noffset_os, &images.ep);
280 if (ret) {
281 puts("Can't get entry point property!\n");
282 return 1;
283 }
284 #endif
285 } else {
286 puts("Could not find kernel entry point!\n");
287 return 1;
288 }
289
290 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
291 images.os.load = images.os.image_start;
292 images.ep += images.os.load;
293 }
294
295 if (((images.os.type == IH_TYPE_KERNEL) ||
296 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
297 (images.os.type == IH_TYPE_MULTI)) &&
298 (images.os.os == IH_OS_LINUX)) {
299 /* find ramdisk */
300 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
301 &images.rd_start, &images.rd_end);
302 if (ret) {
303 puts("Ramdisk image is corrupt or invalid\n");
304 return 1;
305 }
306
307 #if defined(CONFIG_OF_LIBFDT)
308 /* find flattened device tree */
309 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
310 &images.ft_addr, &images.ft_len);
311 if (ret) {
312 puts("Could not find a valid device tree\n");
313 return 1;
314 }
315
316 set_working_fdt_addr(images.ft_addr);
317 #endif
318 }
319
320 images.os.start = (ulong)os_hdr;
321 images.state = BOOTM_STATE_START;
322
323 return 0;
324 }
325
326 #define BOOTM_ERR_RESET -1
327 #define BOOTM_ERR_OVERLAP -2
328 #define BOOTM_ERR_UNIMPLEMENTED -3
329 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
330 {
331 uint8_t comp = os.comp;
332 ulong load = os.load;
333 ulong blob_start = os.start;
334 ulong blob_end = os.end;
335 ulong image_start = os.image_start;
336 ulong image_len = os.image_len;
337 __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
338 int no_overlap = 0;
339 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
340 int ret;
341 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
342
343 const char *type_name = genimg_get_type_name(os.type);
344
345 switch (comp) {
346 case IH_COMP_NONE:
347 if (load == blob_start || load == image_start) {
348 printf(" XIP %s ... ", type_name);
349 no_overlap = 1;
350 } else {
351 printf(" Loading %s ... ", type_name);
352 memmove_wd((void *)load, (void *)image_start,
353 image_len, CHUNKSZ);
354 }
355 *load_end = load + image_len;
356 puts("OK\n");
357 break;
358 #ifdef CONFIG_GZIP
359 case IH_COMP_GZIP:
360 printf(" Uncompressing %s ... ", type_name);
361 if (gunzip((void *)load, unc_len,
362 (uchar *)image_start, &image_len) != 0) {
363 puts("GUNZIP: uncompress, out-of-mem or overwrite "
364 "error - must RESET board to recover\n");
365 if (boot_progress)
366 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
367 return BOOTM_ERR_RESET;
368 }
369
370 *load_end = load + image_len;
371 break;
372 #endif /* CONFIG_GZIP */
373 #ifdef CONFIG_BZIP2
374 case IH_COMP_BZIP2:
375 printf(" Uncompressing %s ... ", type_name);
376 /*
377 * If we've got less than 4 MB of malloc() space,
378 * use slower decompression algorithm which requires
379 * at most 2300 KB of memory.
380 */
381 int i = BZ2_bzBuffToBuffDecompress((char *)load,
382 &unc_len, (char *)image_start, image_len,
383 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
384 if (i != BZ_OK) {
385 printf("BUNZIP2: uncompress or overwrite error %d "
386 "- must RESET board to recover\n", i);
387 if (boot_progress)
388 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
389 return BOOTM_ERR_RESET;
390 }
391
392 *load_end = load + unc_len;
393 break;
394 #endif /* CONFIG_BZIP2 */
395 #ifdef CONFIG_LZMA
396 case IH_COMP_LZMA: {
397 SizeT lzma_len = unc_len;
398 printf(" Uncompressing %s ... ", type_name);
399
400 ret = lzmaBuffToBuffDecompress(
401 (unsigned char *)load, &lzma_len,
402 (unsigned char *)image_start, image_len);
403 unc_len = lzma_len;
404 if (ret != SZ_OK) {
405 printf("LZMA: uncompress or overwrite error %d "
406 "- must RESET board to recover\n", ret);
407 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
408 return BOOTM_ERR_RESET;
409 }
410 *load_end = load + unc_len;
411 break;
412 }
413 #endif /* CONFIG_LZMA */
414 #ifdef CONFIG_LZO
415 case IH_COMP_LZO:
416 printf(" Uncompressing %s ... ", type_name);
417
418 ret = lzop_decompress((const unsigned char *)image_start,
419 image_len, (unsigned char *)load,
420 &unc_len);
421 if (ret != LZO_E_OK) {
422 printf("LZO: uncompress or overwrite error %d "
423 "- must RESET board to recover\n", ret);
424 if (boot_progress)
425 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
426 return BOOTM_ERR_RESET;
427 }
428
429 *load_end = load + unc_len;
430 break;
431 #endif /* CONFIG_LZO */
432 default:
433 printf("Unimplemented compression type %d\n", comp);
434 return BOOTM_ERR_UNIMPLEMENTED;
435 }
436
437 flush_cache(load, (*load_end - load) * sizeof(ulong));
438
439 puts("OK\n");
440 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
441 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
442
443 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
444 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
445 blob_start, blob_end);
446 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
447 *load_end);
448
449 return BOOTM_ERR_OVERLAP;
450 }
451
452 return 0;
453 }
454
455 static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
456 {
457 char *s;
458 int (*appl)(int, char * const []);
459
460 /* Don't start if "autostart" is set to "no" */
461 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
462 setenv_hex("filesize", images.os.image_len);
463 return 0;
464 }
465 appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
466 (*appl)(argc-1, &argv[1]);
467 return 0;
468 }
469
470 /* we overload the cmd field with our state machine info instead of a
471 * function pointer */
472 static cmd_tbl_t cmd_bootm_sub[] = {
473 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
474 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
475 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
476 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
477 #endif
478 #ifdef CONFIG_OF_LIBFDT
479 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
480 #endif
481 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
482 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
483 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
484 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
485 };
486
487 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
488 char * const argv[])
489 {
490 int ret = 0;
491 long state;
492 cmd_tbl_t *c;
493 boot_os_fn *boot_fn;
494
495 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
496
497 if (c) {
498 state = (long)c->cmd;
499
500 /* treat start special since it resets the state machine */
501 if (state == BOOTM_STATE_START) {
502 argc--;
503 argv++;
504 return bootm_start(cmdtp, flag, argc, argv);
505 }
506 } else {
507 /* Unrecognized command */
508 return CMD_RET_USAGE;
509 }
510
511 if (images.state < BOOTM_STATE_START ||
512 images.state >= state) {
513 printf("Trying to execute a command out of order\n");
514 return CMD_RET_USAGE;
515 }
516
517 images.state |= state;
518 boot_fn = boot_os[images.os.os];
519
520 switch (state) {
521 ulong load_end;
522 case BOOTM_STATE_START:
523 /* should never occur */
524 break;
525 case BOOTM_STATE_LOADOS:
526 ret = bootm_load_os(images.os, &load_end, 0);
527 if (ret)
528 return ret;
529
530 lmb_reserve(&images.lmb, images.os.load,
531 (load_end - images.os.load));
532 break;
533 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
534 case BOOTM_STATE_RAMDISK:
535 {
536 ulong rd_len = images.rd_end - images.rd_start;
537
538 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
539 rd_len, &images.initrd_start, &images.initrd_end);
540 if (ret)
541 return ret;
542
543 setenv_hex("initrd_start", images.initrd_start);
544 setenv_hex("initrd_end", images.initrd_end);
545 }
546 break;
547 #endif
548 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
549 case BOOTM_STATE_FDT:
550 {
551 boot_fdt_add_mem_rsv_regions(&images.lmb,
552 images.ft_addr);
553 ret = boot_relocate_fdt(&images.lmb,
554 &images.ft_addr, &images.ft_len);
555 break;
556 }
557 #endif
558 case BOOTM_STATE_OS_CMDLINE:
559 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
560 if (ret)
561 printf("cmdline subcommand not supported\n");
562 break;
563 case BOOTM_STATE_OS_BD_T:
564 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
565 if (ret)
566 printf("bdt subcommand not supported\n");
567 break;
568 case BOOTM_STATE_OS_PREP:
569 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
570 if (ret)
571 printf("prep subcommand not supported\n");
572 break;
573 case BOOTM_STATE_OS_GO:
574 disable_interrupts();
575 #ifdef CONFIG_NETCONSOLE
576 /*
577 * Stop the ethernet stack if NetConsole could have
578 * left it up
579 */
580 eth_halt();
581 #endif
582 arch_preboot_os();
583 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
584 break;
585 }
586
587 return ret;
588 }
589
590 /*******************************************************************/
591 /* bootm - boot application image from image in memory */
592 /*******************************************************************/
593
594 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
595 {
596 ulong iflag;
597 ulong load_end = 0;
598 int ret;
599 boot_os_fn *boot_fn;
600 #ifdef CONFIG_NEEDS_MANUAL_RELOC
601 static int relocated = 0;
602
603 if (!relocated) {
604 int i;
605
606 /* relocate boot function table */
607 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
608 if (boot_os[i] != NULL)
609 boot_os[i] += gd->reloc_off;
610
611 /* relocate names of sub-command table */
612 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
613 cmd_bootm_sub[i].name += gd->reloc_off;
614
615 relocated = 1;
616 }
617 #endif
618
619 /* determine if we have a sub command */
620 if (argc > 1) {
621 char *endp;
622
623 simple_strtoul(argv[1], &endp, 16);
624 /* endp pointing to NULL means that argv[1] was just a
625 * valid number, pass it along to the normal bootm processing
626 *
627 * If endp is ':' or '#' assume a FIT identifier so pass
628 * along for normal processing.
629 *
630 * Right now we assume the first arg should never be '-'
631 */
632 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
633 return do_bootm_subcommand(cmdtp, flag, argc, argv);
634 }
635
636 if (bootm_start(cmdtp, flag, argc, argv))
637 return 1;
638
639 /*
640 * We have reached the point of no return: we are going to
641 * overwrite all exception vector code, so we cannot easily
642 * recover from any failures any more...
643 */
644 iflag = disable_interrupts();
645
646 #ifdef CONFIG_NETCONSOLE
647 /* Stop the ethernet stack if NetConsole could have left it up */
648 eth_halt();
649 #endif
650
651 #if defined(CONFIG_CMD_USB)
652 /*
653 * turn off USB to prevent the host controller from writing to the
654 * SDRAM while Linux is booting. This could happen (at least for OHCI
655 * controller), because the HCCA (Host Controller Communication Area)
656 * lies within the SDRAM and the host controller writes continously to
657 * this area (as busmaster!). The HccaFrameNumber is for example
658 * updated every 1 ms within the HCCA structure in SDRAM! For more
659 * details see the OpenHCI specification.
660 */
661 usb_stop();
662 #endif
663
664 ret = bootm_load_os(images.os, &load_end, 1);
665
666 if (ret < 0) {
667 if (ret == BOOTM_ERR_RESET)
668 do_reset(cmdtp, flag, argc, argv);
669 if (ret == BOOTM_ERR_OVERLAP) {
670 if (images.legacy_hdr_valid) {
671 image_header_t *hdr;
672 hdr = &images.legacy_hdr_os_copy;
673 if (image_get_type(hdr) == IH_TYPE_MULTI)
674 puts("WARNING: legacy format multi "
675 "component image "
676 "overwritten\n");
677 } else {
678 puts("ERROR: new format image overwritten - "
679 "must RESET the board to recover\n");
680 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
681 do_reset(cmdtp, flag, argc, argv);
682 }
683 }
684 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
685 if (iflag)
686 enable_interrupts();
687 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
688 return 1;
689 }
690 }
691
692 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
693
694 if (images.os.type == IH_TYPE_STANDALONE) {
695 if (iflag)
696 enable_interrupts();
697 /* This may return when 'autostart' is 'no' */
698 bootm_start_standalone(iflag, argc, argv);
699 return 0;
700 }
701
702 bootstage_mark(BOOTSTAGE_ID_CHECK_BOOT_OS);
703
704 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
705 if (images.os.os == IH_OS_LINUX)
706 fixup_silent_linux();
707 #endif
708
709 boot_fn = boot_os[images.os.os];
710
711 if (boot_fn == NULL) {
712 if (iflag)
713 enable_interrupts();
714 printf("ERROR: booting os '%s' (%d) is not supported\n",
715 genimg_get_os_name(images.os.os), images.os.os);
716 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
717 return 1;
718 }
719
720 arch_preboot_os();
721
722 boot_fn(0, argc, argv, &images);
723
724 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
725 #ifdef DEBUG
726 puts("\n## Control returned to monitor - resetting...\n");
727 #endif
728 do_reset(cmdtp, flag, argc, argv);
729
730 return 1;
731 }
732
733 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
734 {
735 const char *ep = getenv("autostart");
736
737 if (ep && !strcmp(ep, "yes")) {
738 char *local_args[2];
739 local_args[0] = (char *)cmd;
740 local_args[1] = NULL;
741 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
742 return do_bootm(cmdtp, 0, 1, local_args);
743 }
744
745 return 0;
746 }
747
748 /**
749 * image_get_kernel - verify legacy format kernel image
750 * @img_addr: in RAM address of the legacy format image to be verified
751 * @verify: data CRC verification flag
752 *
753 * image_get_kernel() verifies legacy image integrity and returns pointer to
754 * legacy image header if image verification was completed successfully.
755 *
756 * returns:
757 * pointer to a legacy image header if valid image was found
758 * otherwise return NULL
759 */
760 static image_header_t *image_get_kernel(ulong img_addr, int verify)
761 {
762 image_header_t *hdr = (image_header_t *)img_addr;
763
764 if (!image_check_magic(hdr)) {
765 puts("Bad Magic Number\n");
766 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
767 return NULL;
768 }
769 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
770
771 if (!image_check_hcrc(hdr)) {
772 puts("Bad Header Checksum\n");
773 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
774 return NULL;
775 }
776
777 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
778 image_print_contents(hdr);
779
780 if (verify) {
781 puts(" Verifying Checksum ... ");
782 if (!image_check_dcrc(hdr)) {
783 printf("Bad Data CRC\n");
784 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
785 return NULL;
786 }
787 puts("OK\n");
788 }
789 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
790
791 if (!image_check_target_arch(hdr)) {
792 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
793 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
794 return NULL;
795 }
796 return hdr;
797 }
798
799 /**
800 * fit_check_kernel - verify FIT format kernel subimage
801 * @fit_hdr: pointer to the FIT image header
802 * os_noffset: kernel subimage node offset within FIT image
803 * @verify: data CRC verification flag
804 *
805 * fit_check_kernel() verifies integrity of the kernel subimage and from
806 * specified FIT image.
807 *
808 * returns:
809 * 1, on success
810 * 0, on failure
811 */
812 #if defined(CONFIG_FIT)
813 static int fit_check_kernel(const void *fit, int os_noffset, int verify)
814 {
815 fit_image_print(fit, os_noffset, " ");
816
817 if (verify) {
818 puts(" Verifying Hash Integrity ... ");
819 if (!fit_image_verify(fit, os_noffset)) {
820 puts("Bad Data Hash\n");
821 bootstage_error(BOOTSTAGE_ID_FIT_CHECK_HASH);
822 return 0;
823 }
824 puts("OK\n");
825 }
826 bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_ARCH);
827
828 if (!fit_image_check_target_arch(fit, os_noffset)) {
829 puts("Unsupported Architecture\n");
830 bootstage_error(BOOTSTAGE_ID_FIT_CHECK_ARCH);
831 return 0;
832 }
833
834 bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_KERNEL);
835 if (!fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL) &&
836 !fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL_NOLOAD)) {
837 puts("Not a kernel image\n");
838 bootstage_error(BOOTSTAGE_ID_FIT_CHECK_KERNEL);
839 return 0;
840 }
841
842 bootstage_mark(BOOTSTAGE_ID_FIT_CHECKED);
843 return 1;
844 }
845 #endif /* CONFIG_FIT */
846
847 /**
848 * boot_get_kernel - find kernel image
849 * @os_data: pointer to a ulong variable, will hold os data start address
850 * @os_len: pointer to a ulong variable, will hold os data length
851 *
852 * boot_get_kernel() tries to find a kernel image, verifies its integrity
853 * and locates kernel data.
854 *
855 * returns:
856 * pointer to image header if valid image was found, plus kernel start
857 * address and length, otherwise NULL
858 */
859 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
860 char * const argv[], bootm_headers_t *images, ulong *os_data,
861 ulong *os_len)
862 {
863 image_header_t *hdr;
864 ulong img_addr;
865 const void *buf;
866 #if defined(CONFIG_FIT)
867 const void *fit_hdr;
868 const char *fit_uname_config = NULL;
869 const char *fit_uname_kernel = NULL;
870 const void *data;
871 size_t len;
872 int cfg_noffset;
873 int os_noffset;
874 #endif
875
876 /* find out kernel image address */
877 if (argc < 2) {
878 img_addr = load_addr;
879 debug("* kernel: default image load address = 0x%08lx\n",
880 load_addr);
881 #if defined(CONFIG_FIT)
882 } else if (fit_parse_conf(argv[1], load_addr, &img_addr,
883 &fit_uname_config)) {
884 debug("* kernel: config '%s' from image at 0x%08lx\n",
885 fit_uname_config, img_addr);
886 } else if (fit_parse_subimage(argv[1], load_addr, &img_addr,
887 &fit_uname_kernel)) {
888 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
889 fit_uname_kernel, img_addr);
890 #endif
891 } else {
892 img_addr = simple_strtoul(argv[1], NULL, 16);
893 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
894 }
895
896 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
897
898 /* copy from dataflash if needed */
899 img_addr = genimg_get_image(img_addr);
900
901 /* check image type, for FIT images get FIT kernel node */
902 *os_data = *os_len = 0;
903 buf = map_sysmem(img_addr, 0);
904 switch (genimg_get_format(buf)) {
905 case IMAGE_FORMAT_LEGACY:
906 printf("## Booting kernel from Legacy Image at %08lx ...\n",
907 img_addr);
908 hdr = image_get_kernel(img_addr, images->verify);
909 if (!hdr)
910 return NULL;
911 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
912
913 /* get os_data and os_len */
914 switch (image_get_type(hdr)) {
915 case IH_TYPE_KERNEL:
916 case IH_TYPE_KERNEL_NOLOAD:
917 *os_data = image_get_data(hdr);
918 *os_len = image_get_data_size(hdr);
919 break;
920 case IH_TYPE_MULTI:
921 image_multi_getimg(hdr, 0, os_data, os_len);
922 break;
923 case IH_TYPE_STANDALONE:
924 *os_data = image_get_data(hdr);
925 *os_len = image_get_data_size(hdr);
926 break;
927 default:
928 printf("Wrong Image Type for %s command\n",
929 cmdtp->name);
930 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
931 return NULL;
932 }
933
934 /*
935 * copy image header to allow for image overwrites during
936 * kernel decompression.
937 */
938 memmove(&images->legacy_hdr_os_copy, hdr,
939 sizeof(image_header_t));
940
941 /* save pointer to image header */
942 images->legacy_hdr_os = hdr;
943
944 images->legacy_hdr_valid = 1;
945 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
946 break;
947 #if defined(CONFIG_FIT)
948 case IMAGE_FORMAT_FIT:
949 fit_hdr = buf;
950 printf("## Booting kernel from FIT Image at %08lx ...\n",
951 img_addr);
952
953 if (!fit_check_format(fit_hdr)) {
954 puts("Bad FIT kernel image format!\n");
955 bootstage_error(BOOTSTAGE_ID_FIT_FORMAT);
956 return NULL;
957 }
958 bootstage_mark(BOOTSTAGE_ID_FIT_FORMAT);
959
960 if (!fit_uname_kernel) {
961 /*
962 * no kernel image node unit name, try to get config
963 * node first. If config unit node name is NULL
964 * fit_conf_get_node() will try to find default config
965 * node
966 */
967 bootstage_mark(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
968 #ifdef CONFIG_FIT_BEST_MATCH
969 if (fit_uname_config)
970 cfg_noffset =
971 fit_conf_get_node(fit_hdr,
972 fit_uname_config);
973 else
974 cfg_noffset =
975 fit_conf_find_compat(fit_hdr,
976 gd->fdt_blob);
977 #else
978 cfg_noffset = fit_conf_get_node(fit_hdr,
979 fit_uname_config);
980 #endif
981 if (cfg_noffset < 0) {
982 bootstage_error(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
983 return NULL;
984 }
985 /* save configuration uname provided in the first
986 * bootm argument
987 */
988 images->fit_uname_cfg = fdt_get_name(fit_hdr,
989 cfg_noffset,
990 NULL);
991 printf(" Using '%s' configuration\n",
992 images->fit_uname_cfg);
993 bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
994
995 os_noffset = fit_conf_get_kernel_node(fit_hdr,
996 cfg_noffset);
997 fit_uname_kernel = fit_get_name(fit_hdr, os_noffset,
998 NULL);
999 } else {
1000 /* get kernel component image node offset */
1001 bootstage_mark(BOOTSTAGE_ID_FIT_UNIT_NAME);
1002 os_noffset = fit_image_get_node(fit_hdr,
1003 fit_uname_kernel);
1004 }
1005 if (os_noffset < 0) {
1006 bootstage_error(BOOTSTAGE_ID_FIT_CONFIG);
1007 return NULL;
1008 }
1009
1010 printf(" Trying '%s' kernel subimage\n", fit_uname_kernel);
1011
1012 bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_SUBIMAGE);
1013 if (!fit_check_kernel(fit_hdr, os_noffset, images->verify))
1014 return NULL;
1015
1016 /* get kernel image data address and length */
1017 if (fit_image_get_data(fit_hdr, os_noffset, &data, &len)) {
1018 puts("Could not find kernel subimage data!\n");
1019 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO_ERR);
1020 return NULL;
1021 }
1022 bootstage_mark(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1023
1024 *os_len = len;
1025 *os_data = (ulong)data;
1026 images->fit_hdr_os = (void *)fit_hdr;
1027 images->fit_uname_os = fit_uname_kernel;
1028 images->fit_noffset_os = os_noffset;
1029 break;
1030 #endif
1031 default:
1032 printf("Wrong Image Format for %s command\n", cmdtp->name);
1033 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1034 return NULL;
1035 }
1036
1037 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1038 *os_data, *os_len, *os_len);
1039
1040 return buf;
1041 }
1042
1043 #ifdef CONFIG_SYS_LONGHELP
1044 static char bootm_help_text[] =
1045 "[addr [arg ...]]\n - boot application image stored in memory\n"
1046 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1047 "\t'arg' can be the address of an initrd image\n"
1048 #if defined(CONFIG_OF_LIBFDT)
1049 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1050 "\ta third argument is required which is the address of the\n"
1051 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1052 "\tuse a '-' for the second argument. If you do not pass a third\n"
1053 "\ta bd_info struct will be passed instead\n"
1054 #endif
1055 #if defined(CONFIG_FIT)
1056 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1057 "\tmust be extened to include component or configuration unit name:\n"
1058 "\taddr:<subimg_uname> - direct component image specification\n"
1059 "\taddr#<conf_uname> - configuration specification\n"
1060 "\tUse iminfo command to get the list of existing component\n"
1061 "\timages and configurations.\n"
1062 #endif
1063 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1064 "must be\n"
1065 "issued in the order below (it's ok to not issue all sub-commands):\n"
1066 "\tstart [addr [arg ...]]\n"
1067 "\tloados - load OS image\n"
1068 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1069 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1070 #endif
1071 #if defined(CONFIG_OF_LIBFDT)
1072 "\tfdt - relocate flat device tree\n"
1073 #endif
1074 "\tcmdline - OS specific command line processing/setup\n"
1075 "\tbdt - OS specific bd_t processing\n"
1076 "\tprep - OS specific prep before relocation or go\n"
1077 "\tgo - start OS";
1078 #endif
1079
1080 U_BOOT_CMD(
1081 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1082 "boot application image from memory", bootm_help_text
1083 );
1084
1085 /*******************************************************************/
1086 /* bootd - boot default image */
1087 /*******************************************************************/
1088 #if defined(CONFIG_CMD_BOOTD)
1089 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1090 {
1091 int rcode = 0;
1092
1093 if (run_command(getenv("bootcmd"), flag) < 0)
1094 rcode = 1;
1095 return rcode;
1096 }
1097
1098 U_BOOT_CMD(
1099 boot, 1, 1, do_bootd,
1100 "boot default, i.e., run 'bootcmd'",
1101 ""
1102 );
1103
1104 /* keep old command name "bootd" for backward compatibility */
1105 U_BOOT_CMD(
1106 bootd, 1, 1, do_bootd,
1107 "boot default, i.e., run 'bootcmd'",
1108 ""
1109 );
1110
1111 #endif
1112
1113
1114 /*******************************************************************/
1115 /* iminfo - print header info for a requested image */
1116 /*******************************************************************/
1117 #if defined(CONFIG_CMD_IMI)
1118 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1119 {
1120 int arg;
1121 ulong addr;
1122 int rcode = 0;
1123
1124 if (argc < 2) {
1125 return image_info(load_addr);
1126 }
1127
1128 for (arg = 1; arg < argc; ++arg) {
1129 addr = simple_strtoul(argv[arg], NULL, 16);
1130 if (image_info(addr) != 0)
1131 rcode = 1;
1132 }
1133 return rcode;
1134 }
1135
1136 static int image_info(ulong addr)
1137 {
1138 void *hdr = (void *)addr;
1139
1140 printf("\n## Checking Image at %08lx ...\n", addr);
1141
1142 switch (genimg_get_format(hdr)) {
1143 case IMAGE_FORMAT_LEGACY:
1144 puts(" Legacy image found\n");
1145 if (!image_check_magic(hdr)) {
1146 puts(" Bad Magic Number\n");
1147 return 1;
1148 }
1149
1150 if (!image_check_hcrc(hdr)) {
1151 puts(" Bad Header Checksum\n");
1152 return 1;
1153 }
1154
1155 image_print_contents(hdr);
1156
1157 puts(" Verifying Checksum ... ");
1158 if (!image_check_dcrc(hdr)) {
1159 puts(" Bad Data CRC\n");
1160 return 1;
1161 }
1162 puts("OK\n");
1163 return 0;
1164 #if defined(CONFIG_FIT)
1165 case IMAGE_FORMAT_FIT:
1166 puts(" FIT image found\n");
1167
1168 if (!fit_check_format(hdr)) {
1169 puts("Bad FIT image format!\n");
1170 return 1;
1171 }
1172
1173 fit_print_contents(hdr);
1174
1175 if (!fit_all_image_verify(hdr)) {
1176 puts("Bad hash in FIT image!\n");
1177 return 1;
1178 }
1179
1180 return 0;
1181 #endif
1182 default:
1183 puts("Unknown image format!\n");
1184 break;
1185 }
1186
1187 return 1;
1188 }
1189
1190 U_BOOT_CMD(
1191 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1192 "print header information for application image",
1193 "addr [addr ...]\n"
1194 " - print header information for application image starting at\n"
1195 " address 'addr' in memory; this includes verification of the\n"
1196 " image contents (magic number, header and payload checksums)"
1197 );
1198 #endif
1199
1200
1201 /*******************************************************************/
1202 /* imls - list all images found in flash */
1203 /*******************************************************************/
1204 #if defined(CONFIG_CMD_IMLS)
1205 static int do_imls_nor(void)
1206 {
1207 flash_info_t *info;
1208 int i, j;
1209 void *hdr;
1210
1211 for (i = 0, info = &flash_info[0];
1212 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1213
1214 if (info->flash_id == FLASH_UNKNOWN)
1215 goto next_bank;
1216 for (j = 0; j < info->sector_count; ++j) {
1217
1218 hdr = (void *)info->start[j];
1219 if (!hdr)
1220 goto next_sector;
1221
1222 switch (genimg_get_format(hdr)) {
1223 case IMAGE_FORMAT_LEGACY:
1224 if (!image_check_hcrc(hdr))
1225 goto next_sector;
1226
1227 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1228 image_print_contents(hdr);
1229
1230 puts(" Verifying Checksum ... ");
1231 if (!image_check_dcrc(hdr)) {
1232 puts("Bad Data CRC\n");
1233 } else {
1234 puts("OK\n");
1235 }
1236 break;
1237 #if defined(CONFIG_FIT)
1238 case IMAGE_FORMAT_FIT:
1239 if (!fit_check_format(hdr))
1240 goto next_sector;
1241
1242 printf("FIT Image at %08lX:\n", (ulong)hdr);
1243 fit_print_contents(hdr);
1244 break;
1245 #endif
1246 default:
1247 goto next_sector;
1248 }
1249
1250 next_sector: ;
1251 }
1252 next_bank: ;
1253 }
1254 return 0;
1255 }
1256 #endif
1257
1258 #if defined(CONFIG_CMD_IMLS_NAND)
1259 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1260 size_t len)
1261 {
1262 void *imgdata;
1263 int ret;
1264
1265 imgdata = malloc(len);
1266 if (!imgdata) {
1267 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1268 nand_dev, off);
1269 printf(" Low memory(cannot allocate memory for image)\n");
1270 return -ENOMEM;
1271 }
1272
1273 ret = nand_read_skip_bad(nand, off, &len,
1274 imgdata);
1275 if (ret < 0 && ret != -EUCLEAN) {
1276 free(imgdata);
1277 return ret;
1278 }
1279
1280 if (!image_check_hcrc(imgdata)) {
1281 free(imgdata);
1282 return 0;
1283 }
1284
1285 printf("Legacy Image at NAND device %d offset %08llX:\n",
1286 nand_dev, off);
1287 image_print_contents(imgdata);
1288
1289 puts(" Verifying Checksum ... ");
1290 if (!image_check_dcrc(imgdata))
1291 puts("Bad Data CRC\n");
1292 else
1293 puts("OK\n");
1294
1295 free(imgdata);
1296
1297 return 0;
1298 }
1299
1300 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1301 size_t len)
1302 {
1303 void *imgdata;
1304 int ret;
1305
1306 imgdata = malloc(len);
1307 if (!imgdata) {
1308 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1309 nand_dev, off);
1310 printf(" Low memory(cannot allocate memory for image)\n");
1311 return -ENOMEM;
1312 }
1313
1314 ret = nand_read_skip_bad(nand, off, &len,
1315 imgdata);
1316 if (ret < 0 && ret != -EUCLEAN) {
1317 free(imgdata);
1318 return ret;
1319 }
1320
1321 if (!fit_check_format(imgdata)) {
1322 free(imgdata);
1323 return 0;
1324 }
1325
1326 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1327
1328 fit_print_contents(imgdata);
1329 free(imgdata);
1330
1331 return 0;
1332 }
1333
1334 static int do_imls_nand(void)
1335 {
1336 nand_info_t *nand;
1337 int nand_dev = nand_curr_device;
1338 size_t len;
1339 loff_t off;
1340 u32 buffer[16];
1341
1342 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1343 puts("\nNo NAND devices available\n");
1344 return -ENODEV;
1345 }
1346
1347 printf("\n");
1348
1349 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1350 nand = &nand_info[nand_dev];
1351 if (!nand->name || !nand->size)
1352 continue;
1353
1354 for (off = 0; off < nand->size; off += nand->erasesize) {
1355 const image_header_t *header;
1356 int ret;
1357
1358 if (nand_block_isbad(nand, off))
1359 continue;
1360
1361 len = sizeof(buffer);
1362
1363 ret = nand_read(nand, off, &len, (u8 *)buffer);
1364 if (ret < 0 && ret != -EUCLEAN) {
1365 printf("NAND read error %d at offset %08llX\n",
1366 ret, off);
1367 continue;
1368 }
1369
1370 switch (genimg_get_format(buffer)) {
1371 case IMAGE_FORMAT_LEGACY:
1372 header = (const image_header_t *)buffer;
1373
1374 len = image_get_image_size(header);
1375 nand_imls_legacyimage(nand, nand_dev, off, len);
1376 break;
1377 #if defined(CONFIG_FIT)
1378 case IMAGE_FORMAT_FIT:
1379 len = fit_get_size(buffer);
1380 nand_imls_fitimage(nand, nand_dev, off, len);
1381 break;
1382 #endif
1383 }
1384 }
1385 }
1386
1387 return 0;
1388 }
1389 #endif
1390
1391 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1392 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1393 {
1394 int ret_nor = 0, ret_nand = 0;
1395
1396 #if defined(CONFIG_CMD_IMLS)
1397 ret_nor = do_imls_nor();
1398 #endif
1399
1400 #if defined(CONFIG_CMD_IMLS_NAND)
1401 ret_nand = do_imls_nand();
1402 #endif
1403
1404 if (ret_nor)
1405 return ret_nor;
1406
1407 if (ret_nand)
1408 return ret_nand;
1409
1410 return (0);
1411 }
1412
1413 U_BOOT_CMD(
1414 imls, 1, 1, do_imls,
1415 "list all images found in flash",
1416 "\n"
1417 " - Prints information about all images found at sector/block\n"
1418 " boundaries in nor/nand flash."
1419 );
1420 #endif
1421
1422 /*******************************************************************/
1423 /* helper routines */
1424 /*******************************************************************/
1425 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1426
1427 #define CONSOLE_ARG "console="
1428 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1429
1430 static void fixup_silent_linux(void)
1431 {
1432 char *buf;
1433 const char *env_val;
1434 char *cmdline = getenv("bootargs");
1435
1436 /* Only fix cmdline when requested */
1437 if (!(gd->flags & GD_FLG_SILENT))
1438 return;
1439
1440 debug("before silent fix-up: %s\n", cmdline);
1441 if (cmdline && (cmdline[0] != '\0')) {
1442 char *start = strstr(cmdline, CONSOLE_ARG);
1443
1444 /* Allocate space for maximum possible new command line */
1445 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1446 if (!buf) {
1447 debug("%s: out of memory\n", __func__);
1448 return;
1449 }
1450
1451 if (start) {
1452 char *end = strchr(start, ' ');
1453 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1454
1455 strncpy(buf, cmdline, num_start_bytes);
1456 if (end)
1457 strcpy(buf + num_start_bytes, end);
1458 else
1459 buf[num_start_bytes] = '\0';
1460 } else {
1461 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1462 }
1463 env_val = buf;
1464 } else {
1465 buf = NULL;
1466 env_val = CONSOLE_ARG;
1467 }
1468
1469 setenv("bootargs", env_val);
1470 debug("after silent fix-up: %s\n", env_val);
1471 free(buf);
1472 }
1473 #endif /* CONFIG_SILENT_CONSOLE */
1474
1475
1476 /*******************************************************************/
1477 /* OS booting routines */
1478 /*******************************************************************/
1479
1480 #ifdef CONFIG_BOOTM_NETBSD
1481 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1482 bootm_headers_t *images)
1483 {
1484 void (*loader)(bd_t *, image_header_t *, char *, char *);
1485 image_header_t *os_hdr, *hdr;
1486 ulong kernel_data, kernel_len;
1487 char *consdev;
1488 char *cmdline;
1489
1490 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1491 return 1;
1492
1493 #if defined(CONFIG_FIT)
1494 if (!images->legacy_hdr_valid) {
1495 fit_unsupported_reset("NetBSD");
1496 return 1;
1497 }
1498 #endif
1499 hdr = images->legacy_hdr_os;
1500
1501 /*
1502 * Booting a (NetBSD) kernel image
1503 *
1504 * This process is pretty similar to a standalone application:
1505 * The (first part of an multi-) image must be a stage-2 loader,
1506 * which in turn is responsible for loading & invoking the actual
1507 * kernel. The only differences are the parameters being passed:
1508 * besides the board info strucure, the loader expects a command
1509 * line, the name of the console device, and (optionally) the
1510 * address of the original image header.
1511 */
1512 os_hdr = NULL;
1513 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1514 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1515 if (kernel_len)
1516 os_hdr = hdr;
1517 }
1518
1519 consdev = "";
1520 #if defined(CONFIG_8xx_CONS_SMC1)
1521 consdev = "smc1";
1522 #elif defined(CONFIG_8xx_CONS_SMC2)
1523 consdev = "smc2";
1524 #elif defined(CONFIG_8xx_CONS_SCC2)
1525 consdev = "scc2";
1526 #elif defined(CONFIG_8xx_CONS_SCC3)
1527 consdev = "scc3";
1528 #endif
1529
1530 if (argc > 2) {
1531 ulong len;
1532 int i;
1533
1534 for (i = 2, len = 0; i < argc; i += 1)
1535 len += strlen(argv[i]) + 1;
1536 cmdline = malloc(len);
1537
1538 for (i = 2, len = 0; i < argc; i += 1) {
1539 if (i > 2)
1540 cmdline[len++] = ' ';
1541 strcpy(&cmdline[len], argv[i]);
1542 len += strlen(argv[i]);
1543 }
1544 } else if ((cmdline = getenv("bootargs")) == NULL) {
1545 cmdline = "";
1546 }
1547
1548 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1549
1550 printf("## Transferring control to NetBSD stage-2 loader "
1551 "(at address %08lx) ...\n",
1552 (ulong)loader);
1553
1554 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1555
1556 /*
1557 * NetBSD Stage-2 Loader Parameters:
1558 * r3: ptr to board info data
1559 * r4: image address
1560 * r5: console device
1561 * r6: boot args string
1562 */
1563 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1564
1565 return 1;
1566 }
1567 #endif /* CONFIG_BOOTM_NETBSD*/
1568
1569 #ifdef CONFIG_LYNXKDI
1570 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1571 bootm_headers_t *images)
1572 {
1573 image_header_t *hdr = &images->legacy_hdr_os_copy;
1574
1575 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1576 return 1;
1577
1578 #if defined(CONFIG_FIT)
1579 if (!images->legacy_hdr_valid) {
1580 fit_unsupported_reset("Lynx");
1581 return 1;
1582 }
1583 #endif
1584
1585 lynxkdi_boot((image_header_t *)hdr);
1586
1587 return 1;
1588 }
1589 #endif /* CONFIG_LYNXKDI */
1590
1591 #ifdef CONFIG_BOOTM_RTEMS
1592 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1593 bootm_headers_t *images)
1594 {
1595 void (*entry_point)(bd_t *);
1596
1597 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1598 return 1;
1599
1600 #if defined(CONFIG_FIT)
1601 if (!images->legacy_hdr_valid) {
1602 fit_unsupported_reset("RTEMS");
1603 return 1;
1604 }
1605 #endif
1606
1607 entry_point = (void (*)(bd_t *))images->ep;
1608
1609 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1610 (ulong)entry_point);
1611
1612 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1613
1614 /*
1615 * RTEMS Parameters:
1616 * r3: ptr to board info data
1617 */
1618 (*entry_point)(gd->bd);
1619
1620 return 1;
1621 }
1622 #endif /* CONFIG_BOOTM_RTEMS */
1623
1624 #if defined(CONFIG_BOOTM_OSE)
1625 static int do_bootm_ose(int flag, int argc, char * const argv[],
1626 bootm_headers_t *images)
1627 {
1628 void (*entry_point)(void);
1629
1630 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1631 return 1;
1632
1633 #if defined(CONFIG_FIT)
1634 if (!images->legacy_hdr_valid) {
1635 fit_unsupported_reset("OSE");
1636 return 1;
1637 }
1638 #endif
1639
1640 entry_point = (void (*)(void))images->ep;
1641
1642 printf("## Transferring control to OSE (at address %08lx) ...\n",
1643 (ulong)entry_point);
1644
1645 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1646
1647 /*
1648 * OSE Parameters:
1649 * None
1650 */
1651 (*entry_point)();
1652
1653 return 1;
1654 }
1655 #endif /* CONFIG_BOOTM_OSE */
1656
1657 #if defined(CONFIG_BOOTM_PLAN9)
1658 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1659 bootm_headers_t *images)
1660 {
1661 void (*entry_point)(void);
1662
1663 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1664 return 1;
1665
1666 #if defined(CONFIG_FIT)
1667 if (!images->legacy_hdr_valid) {
1668 fit_unsupported_reset("Plan 9");
1669 return 1;
1670 }
1671 #endif
1672
1673 entry_point = (void (*)(void))images->ep;
1674
1675 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1676 (ulong)entry_point);
1677
1678 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1679
1680 /*
1681 * Plan 9 Parameters:
1682 * None
1683 */
1684 (*entry_point)();
1685
1686 return 1;
1687 }
1688 #endif /* CONFIG_BOOTM_PLAN9 */
1689
1690 #if defined(CONFIG_CMD_ELF)
1691 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1692 bootm_headers_t *images)
1693 {
1694 char str[80];
1695
1696 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1697 return 1;
1698
1699 #if defined(CONFIG_FIT)
1700 if (!images->legacy_hdr_valid) {
1701 fit_unsupported_reset("VxWorks");
1702 return 1;
1703 }
1704 #endif
1705
1706 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1707 setenv("loadaddr", str);
1708 do_bootvx(NULL, 0, 0, NULL);
1709
1710 return 1;
1711 }
1712
1713 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1714 bootm_headers_t *images)
1715 {
1716 char *local_args[2];
1717 char str[16];
1718
1719 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1720 return 1;
1721
1722 #if defined(CONFIG_FIT)
1723 if (!images->legacy_hdr_valid) {
1724 fit_unsupported_reset("QNX");
1725 return 1;
1726 }
1727 #endif
1728
1729 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1730 local_args[0] = argv[0];
1731 local_args[1] = str; /* and provide it via the arguments */
1732 do_bootelf(NULL, 0, 2, local_args);
1733
1734 return 1;
1735 }
1736 #endif
1737
1738 #ifdef CONFIG_INTEGRITY
1739 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1740 bootm_headers_t *images)
1741 {
1742 void (*entry_point)(void);
1743
1744 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1745 return 1;
1746
1747 #if defined(CONFIG_FIT)
1748 if (!images->legacy_hdr_valid) {
1749 fit_unsupported_reset("INTEGRITY");
1750 return 1;
1751 }
1752 #endif
1753
1754 entry_point = (void (*)(void))images->ep;
1755
1756 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1757 (ulong)entry_point);
1758
1759 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1760
1761 /*
1762 * INTEGRITY Parameters:
1763 * None
1764 */
1765 (*entry_point)();
1766
1767 return 1;
1768 }
1769 #endif
1770
1771 #ifdef CONFIG_CMD_BOOTZ
1772
1773 static int __bootz_setup(void *image, void **start, void **end)
1774 {
1775 /* Please define bootz_setup() for your platform */
1776
1777 puts("Your platform's zImage format isn't supported yet!\n");
1778 return -1;
1779 }
1780 int bootz_setup(void *image, void **start, void **end)
1781 __attribute__((weak, alias("__bootz_setup")));
1782
1783 /*
1784 * zImage booting support
1785 */
1786 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1787 char * const argv[], bootm_headers_t *images)
1788 {
1789 int ret;
1790 void *zi_start, *zi_end;
1791
1792 memset(images, 0, sizeof(bootm_headers_t));
1793
1794 boot_start_lmb(images);
1795
1796 /* Setup Linux kernel zImage entry point */
1797 if (argc < 2) {
1798 images->ep = load_addr;
1799 debug("* kernel: default image load address = 0x%08lx\n",
1800 load_addr);
1801 } else {
1802 images->ep = simple_strtoul(argv[1], NULL, 16);
1803 debug("* kernel: cmdline image address = 0x%08lx\n",
1804 images->ep);
1805 }
1806
1807 ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
1808 if (ret != 0)
1809 return 1;
1810
1811 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1812
1813 /* Find ramdisk */
1814 ret = boot_get_ramdisk(argc, argv, images, IH_INITRD_ARCH,
1815 &images->rd_start, &images->rd_end);
1816 if (ret) {
1817 puts("Ramdisk image is corrupt or invalid\n");
1818 return 1;
1819 }
1820
1821 #if defined(CONFIG_OF_LIBFDT)
1822 /* find flattened device tree */
1823 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, images,
1824 &images->ft_addr, &images->ft_len);
1825 if (ret) {
1826 puts("Could not find a valid device tree\n");
1827 return 1;
1828 }
1829
1830 set_working_fdt_addr(images->ft_addr);
1831 #endif
1832
1833 return 0;
1834 }
1835
1836 static int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1837 {
1838 bootm_headers_t images;
1839
1840 if (bootz_start(cmdtp, flag, argc, argv, &images))
1841 return 1;
1842
1843 /*
1844 * We have reached the point of no return: we are going to
1845 * overwrite all exception vector code, so we cannot easily
1846 * recover from any failures any more...
1847 */
1848 disable_interrupts();
1849
1850 #ifdef CONFIG_NETCONSOLE
1851 /* Stop the ethernet stack if NetConsole could have left it up */
1852 eth_halt();
1853 #endif
1854
1855 #if defined(CONFIG_CMD_USB)
1856 /*
1857 * turn off USB to prevent the host controller from writing to the
1858 * SDRAM while Linux is booting. This could happen (at least for OHCI
1859 * controller), because the HCCA (Host Controller Communication Area)
1860 * lies within the SDRAM and the host controller writes continously to
1861 * this area (as busmaster!). The HccaFrameNumber is for example
1862 * updated every 1 ms within the HCCA structure in SDRAM! For more
1863 * details see the OpenHCI specification.
1864 */
1865 usb_stop();
1866 #endif
1867
1868 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1869 fixup_silent_linux();
1870 #endif
1871 arch_preboot_os();
1872
1873 do_bootm_linux(0, argc, argv, &images);
1874 #ifdef DEBUG
1875 puts("\n## Control returned to monitor - resetting...\n");
1876 #endif
1877 do_reset(cmdtp, flag, argc, argv);
1878
1879 return 1;
1880 }
1881
1882 #ifdef CONFIG_SYS_LONGHELP
1883 static char bootz_help_text[] =
1884 "[addr [initrd[:size]] [fdt]]\n"
1885 " - boot Linux zImage stored in memory\n"
1886 "\tThe argument 'initrd' is optional and specifies the address\n"
1887 "\tof the initrd in memory. The optional argument ':size' allows\n"
1888 "\tspecifying the size of RAW initrd.\n"
1889 #if defined(CONFIG_OF_LIBFDT)
1890 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1891 "\ta third argument is required which is the address of the\n"
1892 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1893 "\tuse a '-' for the second argument. If you do not pass a third\n"
1894 "\ta bd_info struct will be passed instead\n"
1895 #endif
1896 "";
1897 #endif
1898
1899 U_BOOT_CMD(
1900 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1901 "boot Linux zImage image from memory", bootz_help_text
1902 );
1903 #endif /* CONFIG_CMD_BOOTZ */
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