bootm: Remove extra OK message
[platform/kernel/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 const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
97                                 char * const argv[], bootm_headers_t *images,
98                                 ulong *os_data, ulong *os_len);
99
100 /*
101  *  Continue booting an OS image; caller already has:
102  *  - copied image header to global variable `header'
103  *  - checked header magic number, checksums (both header & image),
104  *  - verified image architecture (PPC) and type (KERNEL or MULTI),
105  *  - loaded (first part of) image to header load address,
106  *  - disabled interrupts.
107  *
108  * @flag: Flags indicating what to do (BOOTM_STATE_...)
109  * @argc: Number of arguments. Note that the arguments are shifted down
110  *       so that 0 is the first argument not processed by U-Boot, and
111  *       argc is adjusted accordingly. This avoids confusion as to how
112  *       many arguments are available for the OS.
113  * @images: Pointers to os/initrd/fdt
114  * @return 1 on error. On success the OS boots so this function does
115  * not return.
116  */
117 typedef int boot_os_fn(int flag, int argc, char * const argv[],
118                         bootm_headers_t *images);
119
120 #ifdef CONFIG_BOOTM_LINUX
121 extern boot_os_fn do_bootm_linux;
122 #endif
123 #ifdef CONFIG_BOOTM_NETBSD
124 static boot_os_fn do_bootm_netbsd;
125 #endif
126 #if defined(CONFIG_LYNXKDI)
127 static boot_os_fn do_bootm_lynxkdi;
128 extern void lynxkdi_boot(image_header_t *);
129 #endif
130 #ifdef CONFIG_BOOTM_RTEMS
131 static boot_os_fn do_bootm_rtems;
132 #endif
133 #if defined(CONFIG_BOOTM_OSE)
134 static boot_os_fn do_bootm_ose;
135 #endif
136 #if defined(CONFIG_BOOTM_PLAN9)
137 static boot_os_fn do_bootm_plan9;
138 #endif
139 #if defined(CONFIG_CMD_ELF)
140 static boot_os_fn do_bootm_vxworks;
141 static boot_os_fn do_bootm_qnxelf;
142 int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
143 int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
144 #endif
145 #if defined(CONFIG_INTEGRITY)
146 static boot_os_fn do_bootm_integrity;
147 #endif
148
149 static boot_os_fn *boot_os[] = {
150 #ifdef CONFIG_BOOTM_LINUX
151         [IH_OS_LINUX] = do_bootm_linux,
152 #endif
153 #ifdef CONFIG_BOOTM_NETBSD
154         [IH_OS_NETBSD] = do_bootm_netbsd,
155 #endif
156 #ifdef CONFIG_LYNXKDI
157         [IH_OS_LYNXOS] = do_bootm_lynxkdi,
158 #endif
159 #ifdef CONFIG_BOOTM_RTEMS
160         [IH_OS_RTEMS] = do_bootm_rtems,
161 #endif
162 #if defined(CONFIG_BOOTM_OSE)
163         [IH_OS_OSE] = do_bootm_ose,
164 #endif
165 #if defined(CONFIG_BOOTM_PLAN9)
166         [IH_OS_PLAN9] = do_bootm_plan9,
167 #endif
168 #if defined(CONFIG_CMD_ELF)
169         [IH_OS_VXWORKS] = do_bootm_vxworks,
170         [IH_OS_QNX] = do_bootm_qnxelf,
171 #endif
172 #ifdef CONFIG_INTEGRITY
173         [IH_OS_INTEGRITY] = do_bootm_integrity,
174 #endif
175 };
176
177 bootm_headers_t images;         /* pointers to os/initrd/fdt images */
178
179 /* Allow for arch specific config before we boot */
180 static void __arch_preboot_os(void)
181 {
182         /* please define platform specific arch_preboot_os() */
183 }
184 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
185
186 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
187
188 #ifdef CONFIG_LMB
189 static void boot_start_lmb(bootm_headers_t *images)
190 {
191         ulong           mem_start;
192         phys_size_t     mem_size;
193
194         lmb_init(&images->lmb);
195
196         mem_start = getenv_bootm_low();
197         mem_size = getenv_bootm_size();
198
199         lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
200
201         arch_lmb_reserve(&images->lmb);
202         board_lmb_reserve(&images->lmb);
203 }
204 #else
205 #define lmb_reserve(lmb, base, size)
206 static inline void boot_start_lmb(bootm_headers_t *images) { }
207 #endif
208
209 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
210 {
211         memset((void *)&images, 0, sizeof(images));
212         images.verify = getenv_yesno("verify");
213
214         boot_start_lmb(&images);
215
216         bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
217         images.state = BOOTM_STATE_START;
218
219         return 0;
220 }
221
222 static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
223                          char * const argv[])
224 {
225         const void *os_hdr;
226
227         /* get kernel image header, start address and length */
228         os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
229                         &images, &images.os.image_start, &images.os.image_len);
230         if (images.os.image_len == 0) {
231                 puts("ERROR: can't get kernel image!\n");
232                 return 1;
233         }
234
235         /* get image parameters */
236         switch (genimg_get_format(os_hdr)) {
237         case IMAGE_FORMAT_LEGACY:
238                 images.os.type = image_get_type(os_hdr);
239                 images.os.comp = image_get_comp(os_hdr);
240                 images.os.os = image_get_os(os_hdr);
241
242                 images.os.end = image_get_image_end(os_hdr);
243                 images.os.load = image_get_load(os_hdr);
244                 break;
245 #if defined(CONFIG_FIT)
246         case IMAGE_FORMAT_FIT:
247                 if (fit_image_get_type(images.fit_hdr_os,
248                                         images.fit_noffset_os, &images.os.type)) {
249                         puts("Can't get image type!\n");
250                         bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
251                         return 1;
252                 }
253
254                 if (fit_image_get_comp(images.fit_hdr_os,
255                                         images.fit_noffset_os, &images.os.comp)) {
256                         puts("Can't get image compression!\n");
257                         bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
258                         return 1;
259                 }
260
261                 if (fit_image_get_os(images.fit_hdr_os,
262                                         images.fit_noffset_os, &images.os.os)) {
263                         puts("Can't get image OS!\n");
264                         bootstage_error(BOOTSTAGE_ID_FIT_OS);
265                         return 1;
266                 }
267
268                 images.os.end = fit_get_end(images.fit_hdr_os);
269
270                 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
271                                         &images.os.load)) {
272                         puts("Can't get image load address!\n");
273                         bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
274                         return 1;
275                 }
276                 break;
277 #endif
278         default:
279                 puts("ERROR: unknown image format type!\n");
280                 return 1;
281         }
282
283         /* find kernel entry point */
284         if (images.legacy_hdr_valid) {
285                 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
286 #if defined(CONFIG_FIT)
287         } else if (images.fit_uname_os) {
288                 int ret;
289
290                 ret = fit_image_get_entry(images.fit_hdr_os,
291                                           images.fit_noffset_os, &images.ep);
292                 if (ret) {
293                         puts("Can't get entry point property!\n");
294                         return 1;
295                 }
296 #endif
297         } else {
298                 puts("Could not find kernel entry point!\n");
299                 return 1;
300         }
301
302         if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
303                 images.os.load = images.os.image_start;
304                 images.ep += images.os.load;
305         }
306
307         images.os.start = (ulong)os_hdr;
308
309         return 0;
310 }
311
312 static int bootm_find_ramdisk(int flag, int argc, char * const argv[])
313 {
314         int ret;
315
316         /* find ramdisk */
317         ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
318                                &images.rd_start, &images.rd_end);
319         if (ret) {
320                 puts("Ramdisk image is corrupt or invalid\n");
321                 return 1;
322         }
323
324         return 0;
325 }
326
327 #if defined(CONFIG_OF_LIBFDT)
328 static int bootm_find_fdt(int flag, int argc, char * const argv[])
329 {
330         int ret;
331
332         /* find flattened device tree */
333         ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
334                            &images.ft_addr, &images.ft_len);
335         if (ret) {
336                 puts("Could not find a valid device tree\n");
337                 return 1;
338         }
339
340         set_working_fdt_addr(images.ft_addr);
341
342         return 0;
343 }
344 #endif
345
346 static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
347                             char * const argv[])
348 {
349         if (((images.os.type == IH_TYPE_KERNEL) ||
350              (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
351              (images.os.type == IH_TYPE_MULTI)) &&
352             (images.os.os == IH_OS_LINUX)) {
353                 if (bootm_find_ramdisk(flag, argc, argv))
354                         return 1;
355
356 #if defined(CONFIG_OF_LIBFDT)
357                 if (bootm_find_fdt(flag, argc, argv))
358                         return 1;
359 #endif
360         }
361
362         return 0;
363 }
364
365 #define BOOTM_ERR_RESET         -1
366 #define BOOTM_ERR_OVERLAP       -2
367 #define BOOTM_ERR_UNIMPLEMENTED -3
368 static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
369                 int boot_progress)
370 {
371         image_info_t os = images->os;
372         uint8_t comp = os.comp;
373         ulong load = os.load;
374         ulong blob_start = os.start;
375         ulong blob_end = os.end;
376         ulong image_start = os.image_start;
377         ulong image_len = os.image_len;
378         __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
379         int no_overlap = 0;
380         void *load_buf, *image_buf;
381 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
382         int ret;
383 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
384
385         const char *type_name = genimg_get_type_name(os.type);
386
387         load_buf = map_sysmem(load, image_len);
388         image_buf = map_sysmem(image_start, image_len);
389         switch (comp) {
390         case IH_COMP_NONE:
391                 if (load == blob_start || load == image_start) {
392                         printf("   XIP %s ... ", type_name);
393                         no_overlap = 1;
394                 } else {
395                         printf("   Loading %s ... ", type_name);
396                         memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
397                 }
398                 *load_end = load + image_len;
399                 break;
400 #ifdef CONFIG_GZIP
401         case IH_COMP_GZIP:
402                 printf("   Uncompressing %s ... ", type_name);
403                 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
404                         puts("GUNZIP: uncompress, out-of-mem or overwrite "
405                                 "error - must RESET board to recover\n");
406                         if (boot_progress)
407                                 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
408                         return BOOTM_ERR_RESET;
409                 }
410
411                 *load_end = load + image_len;
412                 break;
413 #endif /* CONFIG_GZIP */
414 #ifdef CONFIG_BZIP2
415         case IH_COMP_BZIP2:
416                 printf("   Uncompressing %s ... ", type_name);
417                 /*
418                  * If we've got less than 4 MB of malloc() space,
419                  * use slower decompression algorithm which requires
420                  * at most 2300 KB of memory.
421                  */
422                 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
423                         image_buf, image_len,
424                         CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
425                 if (i != BZ_OK) {
426                         printf("BUNZIP2: uncompress or overwrite error %d "
427                                 "- must RESET board to recover\n", i);
428                         if (boot_progress)
429                                 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
430                         return BOOTM_ERR_RESET;
431                 }
432
433                 *load_end = load + unc_len;
434                 break;
435 #endif /* CONFIG_BZIP2 */
436 #ifdef CONFIG_LZMA
437         case IH_COMP_LZMA: {
438                 SizeT lzma_len = unc_len;
439                 printf("   Uncompressing %s ... ", type_name);
440
441                 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
442                                                image_buf, image_len);
443                 unc_len = lzma_len;
444                 if (ret != SZ_OK) {
445                         printf("LZMA: uncompress or overwrite error %d "
446                                 "- must RESET board to recover\n", ret);
447                         bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
448                         return BOOTM_ERR_RESET;
449                 }
450                 *load_end = load + unc_len;
451                 break;
452         }
453 #endif /* CONFIG_LZMA */
454 #ifdef CONFIG_LZO
455         case IH_COMP_LZO:
456                 printf("   Uncompressing %s ... ", type_name);
457
458                 ret = lzop_decompress(image_buf, image_len, load_buf,
459                                       &unc_len);
460                 if (ret != LZO_E_OK) {
461                         printf("LZO: uncompress or overwrite error %d "
462                               "- must RESET board to recover\n", ret);
463                         if (boot_progress)
464                                 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
465                         return BOOTM_ERR_RESET;
466                 }
467
468                 *load_end = load + unc_len;
469                 break;
470 #endif /* CONFIG_LZO */
471         default:
472                 printf("Unimplemented compression type %d\n", comp);
473                 return BOOTM_ERR_UNIMPLEMENTED;
474         }
475
476         flush_cache(load, (*load_end - load) * sizeof(ulong));
477
478         puts("OK\n");
479         debug("   kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
480         bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
481
482         if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
483                 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
484                         blob_start, blob_end);
485                 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
486                         *load_end);
487
488                 /* Check what type of image this is. */
489                 if (images->legacy_hdr_valid) {
490                         if (image_get_type(&images->legacy_hdr_os_copy)
491                                         == IH_TYPE_MULTI)
492                                 puts("WARNING: legacy format multi component image overwritten\n");
493                         return BOOTM_ERR_OVERLAP;
494                 } else {
495                         puts("ERROR: new format image overwritten - must RESET the board to recover\n");
496                         bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
497                         return BOOTM_ERR_RESET;
498                 }
499         }
500
501         return 0;
502 }
503
504 static int bootm_start_standalone(int argc, char * const argv[])
505 {
506         char  *s;
507         int   (*appl)(int, char * const []);
508
509         /* Don't start if "autostart" is set to "no" */
510         if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
511                 setenv_hex("filesize", images.os.image_len);
512                 return 0;
513         }
514         appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
515         (*appl)(argc, argv);
516         return 0;
517 }
518
519 /* we overload the cmd field with our state machine info instead of a
520  * function pointer */
521 static cmd_tbl_t cmd_bootm_sub[] = {
522         U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
523         U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
524 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
525         U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
526 #endif
527 #ifdef CONFIG_OF_LIBFDT
528         U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
529 #endif
530         U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
531         U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
532         U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
533         U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
534         U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
535 };
536
537 static int boot_selected_os(int argc, char * const argv[], int state,
538                 bootm_headers_t *images, boot_os_fn *boot_fn)
539 {
540         if (images->os.type == IH_TYPE_STANDALONE) {
541                 /* This may return when 'autostart' is 'no' */
542                 bootm_start_standalone(argc, argv);
543                 return 0;
544         }
545 #ifdef CONFIG_SILENT_CONSOLE
546         if (images->os.os == IH_OS_LINUX)
547                 fixup_silent_linux();
548 #endif
549         arch_preboot_os();
550         boot_fn(state, argc, argv, images);
551         if (state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */
552                 return 0;
553         bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
554 #ifdef DEBUG
555         puts("\n## Control returned to monitor - resetting...\n");
556 #endif
557         return BOOTM_ERR_RESET;
558 }
559
560 /**
561  * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
562  *
563  * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
564  *      enabled)
565  */
566 static ulong bootm_disable_interrupts(void)
567 {
568         ulong iflag;
569
570         /*
571          * We have reached the point of no return: we are going to
572          * overwrite all exception vector code, so we cannot easily
573          * recover from any failures any more...
574          */
575         iflag = disable_interrupts();
576 #ifdef CONFIG_NETCONSOLE
577         /* Stop the ethernet stack if NetConsole could have left it up */
578         eth_halt();
579 #endif
580
581 #if defined(CONFIG_CMD_USB)
582         /*
583          * turn off USB to prevent the host controller from writing to the
584          * SDRAM while Linux is booting. This could happen (at least for OHCI
585          * controller), because the HCCA (Host Controller Communication Area)
586          * lies within the SDRAM and the host controller writes continously to
587          * this area (as busmaster!). The HccaFrameNumber is for example
588          * updated every 1 ms within the HCCA structure in SDRAM! For more
589          * details see the OpenHCI specification.
590          */
591         usb_stop();
592 #endif
593         return iflag;
594 }
595
596 /**
597  * Execute selected states of the bootm command.
598  *
599  * Note the arguments to this state must be the first argument, Any 'bootm'
600  * or sub-command arguments must have already been taken.
601  *
602  * Note that if states contains more than one flag it MUST contain
603  * BOOTM_STATE_START, since this handles and consumes the command line args.
604  *
605  * Also note that aside from boot_os_fn functions and bootm_load_os no other
606  * functions we store the return value of in 'ret' may use a negative return
607  * value, without special handling.
608  *
609  * @param cmdtp         Pointer to bootm command table entry
610  * @param flag          Command flags (CMD_FLAG_...)
611  * @param argc          Number of subcommand arguments (0 = no arguments)
612  * @param argv          Arguments
613  * @param states        Mask containing states to run (BOOTM_STATE_...)
614  * @param images        Image header information
615  * @param boot_progress 1 to show boot progress, 0 to not do this
616  * @return 0 if ok, something else on error. Some errors will cause this
617  *      function to perform a reboot! If states contains BOOTM_STATE_OS_GO
618  *      then the intent is to boot an OS, so this function will not return
619  *      unless the image type is standalone.
620  */
621 static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
622                 char * const argv[], int states, bootm_headers_t *images,
623                 int boot_progress)
624 {
625         boot_os_fn *boot_fn;
626         ulong iflag = 0;
627         int ret = 0, need_boot_fn;
628
629         images->state |= states;
630
631         /*
632          * Work through the states and see how far we get. We stop on
633          * any error.
634          */
635         if (states & BOOTM_STATE_START)
636                 ret = bootm_start(cmdtp, flag, argc, argv);
637
638         if (!ret && (states & BOOTM_STATE_FINDOS))
639                 ret = bootm_find_os(cmdtp, flag, argc, argv);
640
641         if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
642                 ret = bootm_find_other(cmdtp, flag, argc, argv);
643                 argc = 0;       /* consume the args */
644         }
645
646         /* Load the OS */
647         if (!ret && (states & BOOTM_STATE_LOADOS)) {
648                 ulong load_end;
649
650                 iflag = bootm_disable_interrupts();
651                 ret = bootm_load_os(images, &load_end, 0);
652                 if (ret == 0)
653                         lmb_reserve(&images->lmb, images->os.load,
654                                     (load_end - images->os.load));
655                 else if (ret && ret != BOOTM_ERR_OVERLAP)
656                         goto err;
657                 else if (ret == BOOTM_ERR_OVERLAP)
658                         ret = 0;
659         }
660
661         /* Relocate the ramdisk */
662 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
663         if (!ret && (states & BOOTM_STATE_RAMDISK)) {
664                 ulong rd_len = images->rd_end - images->rd_start;
665
666                 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
667                         rd_len, &images->initrd_start, &images->initrd_end);
668                 if (!ret) {
669                         setenv_hex("initrd_start", images->initrd_start);
670                         setenv_hex("initrd_end", images->initrd_end);
671                 }
672         }
673 #endif
674 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
675         if (!ret && (states & BOOTM_STATE_FDT)) {
676                 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
677                 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
678                                         &images->ft_len);
679         }
680 #endif
681
682         /* From now on, we need the OS boot function */
683         if (ret)
684                 return ret;
685         boot_fn = boot_os[images->os.os];
686         need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
687                         BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
688                         BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
689         if (boot_fn == NULL && need_boot_fn) {
690                 if (iflag)
691                         enable_interrupts();
692                 printf("ERROR: booting os '%s' (%d) is not supported\n",
693                        genimg_get_os_name(images->os.os), images->os.os);
694                 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
695                 return 1;
696         }
697
698         /* Call various other states that are not generally used */
699         if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
700                 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
701         if (!ret && (states & BOOTM_STATE_OS_BD_T))
702                 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
703         if (!ret && (states & BOOTM_STATE_OS_PREP))
704                 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
705
706         /* Check for unsupported subcommand. */
707         if (ret) {
708                 puts("subcommand not supported\n");
709                 return ret;
710         }
711
712
713 #ifdef CONFIG_TRACE
714         /* Pretend to run the OS, then run a user command */
715         if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
716                 char *cmd_list = getenv("fakegocmd");
717
718                 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
719                                 images, boot_fn);
720                 if (!ret && cmd_list)
721                         ret = run_command_list(cmd_list, -1, flag);
722         }
723 #endif
724         /* Now run the OS! We hope this doesn't return */
725         if (!ret && (states & BOOTM_STATE_OS_GO)) {
726                 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
727                                 images, boot_fn);
728                 if (ret)
729                         goto err;
730         }
731
732         return ret;
733
734         /* Deal with any fallout */
735 err:
736         if (iflag)
737                 enable_interrupts();
738
739         if (ret == BOOTM_ERR_UNIMPLEMENTED)
740                 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
741         else if (ret == BOOTM_ERR_RESET)
742                 do_reset(cmdtp, flag, argc, argv);
743
744         return ret;
745 }
746
747 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
748                         char * const argv[])
749 {
750         int ret = 0;
751         long state;
752         cmd_tbl_t *c;
753
754         c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
755         argc--; argv++;
756
757         if (c) {
758                 state = (long)c->cmd;
759                 if (state == BOOTM_STATE_START)
760                         state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
761         } else {
762                 /* Unrecognized command */
763                 return CMD_RET_USAGE;
764         }
765
766         if (state != BOOTM_STATE_START && images.state >= state) {
767                 printf("Trying to execute a command out of order\n");
768                 return CMD_RET_USAGE;
769         }
770
771         ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
772
773         return ret;
774 }
775
776 /*******************************************************************/
777 /* bootm - boot application image from image in memory */
778 /*******************************************************************/
779
780 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
781 {
782 #ifdef CONFIG_NEEDS_MANUAL_RELOC
783         static int relocated = 0;
784
785         if (!relocated) {
786                 int i;
787
788                 /* relocate boot function table */
789                 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
790                         if (boot_os[i] != NULL)
791                                 boot_os[i] += gd->reloc_off;
792
793                 /* relocate names of sub-command table */
794                 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
795                         cmd_bootm_sub[i].name += gd->reloc_off;
796
797                 relocated = 1;
798         }
799 #endif
800
801         /* determine if we have a sub command */
802         argc--; argv++;
803         if (argc > 0) {
804                 char *endp;
805
806                 simple_strtoul(argv[0], &endp, 16);
807                 /* endp pointing to NULL means that argv[0] was just a
808                  * valid number, pass it along to the normal bootm processing
809                  *
810                  * If endp is ':' or '#' assume a FIT identifier so pass
811                  * along for normal processing.
812                  *
813                  * Right now we assume the first arg should never be '-'
814                  */
815                 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
816                         return do_bootm_subcommand(cmdtp, flag, argc, argv);
817         }
818
819         return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
820                 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
821                 BOOTM_STATE_LOADOS | BOOTM_STATE_OS_PREP |
822                 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO, &images, 1);
823 }
824
825 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
826 {
827         const char *ep = getenv("autostart");
828
829         if (ep && !strcmp(ep, "yes")) {
830                 char *local_args[2];
831                 local_args[0] = (char *)cmd;
832                 local_args[1] = NULL;
833                 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
834                 return do_bootm(cmdtp, 0, 1, local_args);
835         }
836
837         return 0;
838 }
839
840 /**
841  * image_get_kernel - verify legacy format kernel image
842  * @img_addr: in RAM address of the legacy format image to be verified
843  * @verify: data CRC verification flag
844  *
845  * image_get_kernel() verifies legacy image integrity and returns pointer to
846  * legacy image header if image verification was completed successfully.
847  *
848  * returns:
849  *     pointer to a legacy image header if valid image was found
850  *     otherwise return NULL
851  */
852 static image_header_t *image_get_kernel(ulong img_addr, int verify)
853 {
854         image_header_t *hdr = (image_header_t *)img_addr;
855
856         if (!image_check_magic(hdr)) {
857                 puts("Bad Magic Number\n");
858                 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
859                 return NULL;
860         }
861         bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
862
863         if (!image_check_hcrc(hdr)) {
864                 puts("Bad Header Checksum\n");
865                 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
866                 return NULL;
867         }
868
869         bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
870         image_print_contents(hdr);
871
872         if (verify) {
873                 puts("   Verifying Checksum ... ");
874                 if (!image_check_dcrc(hdr)) {
875                         printf("Bad Data CRC\n");
876                         bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
877                         return NULL;
878                 }
879                 puts("OK\n");
880         }
881         bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
882
883         if (!image_check_target_arch(hdr)) {
884                 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
885                 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
886                 return NULL;
887         }
888         return hdr;
889 }
890
891 /**
892  * boot_get_kernel - find kernel image
893  * @os_data: pointer to a ulong variable, will hold os data start address
894  * @os_len: pointer to a ulong variable, will hold os data length
895  *
896  * boot_get_kernel() tries to find a kernel image, verifies its integrity
897  * and locates kernel data.
898  *
899  * returns:
900  *     pointer to image header if valid image was found, plus kernel start
901  *     address and length, otherwise NULL
902  */
903 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
904                 char * const argv[], bootm_headers_t *images, ulong *os_data,
905                 ulong *os_len)
906 {
907         image_header_t  *hdr;
908         ulong           img_addr;
909         const void *buf;
910 #if defined(CONFIG_FIT)
911         const char      *fit_uname_config = NULL;
912         const char      *fit_uname_kernel = NULL;
913         int             os_noffset;
914 #endif
915
916         /* find out kernel image address */
917         if (argc < 1) {
918                 img_addr = load_addr;
919                 debug("*  kernel: default image load address = 0x%08lx\n",
920                                 load_addr);
921 #if defined(CONFIG_FIT)
922         } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
923                                                         &fit_uname_config)) {
924                 debug("*  kernel: config '%s' from image at 0x%08lx\n",
925                                 fit_uname_config, img_addr);
926         } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
927                                                         &fit_uname_kernel)) {
928                 debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
929                                 fit_uname_kernel, img_addr);
930 #endif
931         } else {
932                 img_addr = simple_strtoul(argv[0], NULL, 16);
933                 debug("*  kernel: cmdline image address = 0x%08lx\n", img_addr);
934         }
935
936         bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
937
938         /* copy from dataflash if needed */
939         img_addr = genimg_get_image(img_addr);
940
941         /* check image type, for FIT images get FIT kernel node */
942         *os_data = *os_len = 0;
943         buf = map_sysmem(img_addr, 0);
944         switch (genimg_get_format(buf)) {
945         case IMAGE_FORMAT_LEGACY:
946                 printf("## Booting kernel from Legacy Image at %08lx ...\n",
947                                 img_addr);
948                 hdr = image_get_kernel(img_addr, images->verify);
949                 if (!hdr)
950                         return NULL;
951                 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
952
953                 /* get os_data and os_len */
954                 switch (image_get_type(hdr)) {
955                 case IH_TYPE_KERNEL:
956                 case IH_TYPE_KERNEL_NOLOAD:
957                         *os_data = image_get_data(hdr);
958                         *os_len = image_get_data_size(hdr);
959                         break;
960                 case IH_TYPE_MULTI:
961                         image_multi_getimg(hdr, 0, os_data, os_len);
962                         break;
963                 case IH_TYPE_STANDALONE:
964                         *os_data = image_get_data(hdr);
965                         *os_len = image_get_data_size(hdr);
966                         break;
967                 default:
968                         printf("Wrong Image Type for %s command\n",
969                                 cmdtp->name);
970                         bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
971                         return NULL;
972                 }
973
974                 /*
975                  * copy image header to allow for image overwrites during
976                  * kernel decompression.
977                  */
978                 memmove(&images->legacy_hdr_os_copy, hdr,
979                         sizeof(image_header_t));
980
981                 /* save pointer to image header */
982                 images->legacy_hdr_os = hdr;
983
984                 images->legacy_hdr_valid = 1;
985                 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
986                 break;
987 #if defined(CONFIG_FIT)
988         case IMAGE_FORMAT_FIT:
989                 os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
990                                 img_addr,
991                                 &fit_uname_kernel, fit_uname_config,
992                                 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
993                                 BOOTSTAGE_ID_FIT_KERNEL_START,
994                                 FIT_LOAD_IGNORED, os_data, os_len);
995                 if (os_noffset < 0)
996                         return NULL;
997
998                 images->fit_hdr_os = map_sysmem(img_addr, 0);
999                 images->fit_uname_os = fit_uname_kernel;
1000                 images->fit_noffset_os = os_noffset;
1001                 break;
1002 #endif
1003         default:
1004                 printf("Wrong Image Format for %s command\n", cmdtp->name);
1005                 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1006                 return NULL;
1007         }
1008
1009         debug("   kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1010                         *os_data, *os_len, *os_len);
1011
1012         return buf;
1013 }
1014
1015 #ifdef CONFIG_SYS_LONGHELP
1016 static char bootm_help_text[] =
1017         "[addr [arg ...]]\n    - boot application image stored in memory\n"
1018         "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1019         "\t'arg' can be the address of an initrd image\n"
1020 #if defined(CONFIG_OF_LIBFDT)
1021         "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1022         "\ta third argument is required which is the address of the\n"
1023         "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1024         "\tuse a '-' for the second argument. If you do not pass a third\n"
1025         "\ta bd_info struct will be passed instead\n"
1026 #endif
1027 #if defined(CONFIG_FIT)
1028         "\t\nFor the new multi component uImage format (FIT) addresses\n"
1029         "\tmust be extened to include component or configuration unit name:\n"
1030         "\taddr:<subimg_uname> - direct component image specification\n"
1031         "\taddr#<conf_uname>   - configuration specification\n"
1032         "\tUse iminfo command to get the list of existing component\n"
1033         "\timages and configurations.\n"
1034 #endif
1035         "\nSub-commands to do part of the bootm sequence.  The sub-commands "
1036         "must be\n"
1037         "issued in the order below (it's ok to not issue all sub-commands):\n"
1038         "\tstart [addr [arg ...]]\n"
1039         "\tloados  - load OS image\n"
1040 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1041         "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1042 #endif
1043 #if defined(CONFIG_OF_LIBFDT)
1044         "\tfdt     - relocate flat device tree\n"
1045 #endif
1046         "\tcmdline - OS specific command line processing/setup\n"
1047         "\tbdt     - OS specific bd_t processing\n"
1048         "\tprep    - OS specific prep before relocation or go\n"
1049         "\tgo      - start OS";
1050 #endif
1051
1052 U_BOOT_CMD(
1053         bootm,  CONFIG_SYS_MAXARGS,     1,      do_bootm,
1054         "boot application image from memory", bootm_help_text
1055 );
1056
1057 /*******************************************************************/
1058 /* bootd - boot default image */
1059 /*******************************************************************/
1060 #if defined(CONFIG_CMD_BOOTD)
1061 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1062 {
1063         int rcode = 0;
1064
1065         if (run_command(getenv("bootcmd"), flag) < 0)
1066                 rcode = 1;
1067         return rcode;
1068 }
1069
1070 U_BOOT_CMD(
1071         boot,   1,      1,      do_bootd,
1072         "boot default, i.e., run 'bootcmd'",
1073         ""
1074 );
1075
1076 /* keep old command name "bootd" for backward compatibility */
1077 U_BOOT_CMD(
1078         bootd, 1,       1,      do_bootd,
1079         "boot default, i.e., run 'bootcmd'",
1080         ""
1081 );
1082
1083 #endif
1084
1085
1086 /*******************************************************************/
1087 /* iminfo - print header info for a requested image */
1088 /*******************************************************************/
1089 #if defined(CONFIG_CMD_IMI)
1090 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1091 {
1092         int     arg;
1093         ulong   addr;
1094         int     rcode = 0;
1095
1096         if (argc < 2) {
1097                 return image_info(load_addr);
1098         }
1099
1100         for (arg = 1; arg < argc; ++arg) {
1101                 addr = simple_strtoul(argv[arg], NULL, 16);
1102                 if (image_info(addr) != 0)
1103                         rcode = 1;
1104         }
1105         return rcode;
1106 }
1107
1108 static int image_info(ulong addr)
1109 {
1110         void *hdr = (void *)addr;
1111
1112         printf("\n## Checking Image at %08lx ...\n", addr);
1113
1114         switch (genimg_get_format(hdr)) {
1115         case IMAGE_FORMAT_LEGACY:
1116                 puts("   Legacy image found\n");
1117                 if (!image_check_magic(hdr)) {
1118                         puts("   Bad Magic Number\n");
1119                         return 1;
1120                 }
1121
1122                 if (!image_check_hcrc(hdr)) {
1123                         puts("   Bad Header Checksum\n");
1124                         return 1;
1125                 }
1126
1127                 image_print_contents(hdr);
1128
1129                 puts("   Verifying Checksum ... ");
1130                 if (!image_check_dcrc(hdr)) {
1131                         puts("   Bad Data CRC\n");
1132                         return 1;
1133                 }
1134                 puts("OK\n");
1135                 return 0;
1136 #if defined(CONFIG_FIT)
1137         case IMAGE_FORMAT_FIT:
1138                 puts("   FIT image found\n");
1139
1140                 if (!fit_check_format(hdr)) {
1141                         puts("Bad FIT image format!\n");
1142                         return 1;
1143                 }
1144
1145                 fit_print_contents(hdr);
1146
1147                 if (!fit_all_image_verify(hdr)) {
1148                         puts("Bad hash in FIT image!\n");
1149                         return 1;
1150                 }
1151
1152                 return 0;
1153 #endif
1154         default:
1155                 puts("Unknown image format!\n");
1156                 break;
1157         }
1158
1159         return 1;
1160 }
1161
1162 U_BOOT_CMD(
1163         iminfo, CONFIG_SYS_MAXARGS,     1,      do_iminfo,
1164         "print header information for application image",
1165         "addr [addr ...]\n"
1166         "    - print header information for application image starting at\n"
1167         "      address 'addr' in memory; this includes verification of the\n"
1168         "      image contents (magic number, header and payload checksums)"
1169 );
1170 #endif
1171
1172
1173 /*******************************************************************/
1174 /* imls - list all images found in flash */
1175 /*******************************************************************/
1176 #if defined(CONFIG_CMD_IMLS)
1177 static int do_imls_nor(void)
1178 {
1179         flash_info_t *info;
1180         int i, j;
1181         void *hdr;
1182
1183         for (i = 0, info = &flash_info[0];
1184                 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1185
1186                 if (info->flash_id == FLASH_UNKNOWN)
1187                         goto next_bank;
1188                 for (j = 0; j < info->sector_count; ++j) {
1189
1190                         hdr = (void *)info->start[j];
1191                         if (!hdr)
1192                                 goto next_sector;
1193
1194                         switch (genimg_get_format(hdr)) {
1195                         case IMAGE_FORMAT_LEGACY:
1196                                 if (!image_check_hcrc(hdr))
1197                                         goto next_sector;
1198
1199                                 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1200                                 image_print_contents(hdr);
1201
1202                                 puts("   Verifying Checksum ... ");
1203                                 if (!image_check_dcrc(hdr)) {
1204                                         puts("Bad Data CRC\n");
1205                                 } else {
1206                                         puts("OK\n");
1207                                 }
1208                                 break;
1209 #if defined(CONFIG_FIT)
1210                         case IMAGE_FORMAT_FIT:
1211                                 if (!fit_check_format(hdr))
1212                                         goto next_sector;
1213
1214                                 printf("FIT Image at %08lX:\n", (ulong)hdr);
1215                                 fit_print_contents(hdr);
1216                                 break;
1217 #endif
1218                         default:
1219                                 goto next_sector;
1220                         }
1221
1222 next_sector:            ;
1223                 }
1224 next_bank:      ;
1225         }
1226         return 0;
1227 }
1228 #endif
1229
1230 #if defined(CONFIG_CMD_IMLS_NAND)
1231 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1232                 size_t len)
1233 {
1234         void *imgdata;
1235         int ret;
1236
1237         imgdata = malloc(len);
1238         if (!imgdata) {
1239                 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1240                                 nand_dev, off);
1241                 printf("   Low memory(cannot allocate memory for image)\n");
1242                 return -ENOMEM;
1243         }
1244
1245         ret = nand_read_skip_bad(nand, off, &len,
1246                         imgdata);
1247         if (ret < 0 && ret != -EUCLEAN) {
1248                 free(imgdata);
1249                 return ret;
1250         }
1251
1252         if (!image_check_hcrc(imgdata)) {
1253                 free(imgdata);
1254                 return 0;
1255         }
1256
1257         printf("Legacy Image at NAND device %d offset %08llX:\n",
1258                         nand_dev, off);
1259         image_print_contents(imgdata);
1260
1261         puts("   Verifying Checksum ... ");
1262         if (!image_check_dcrc(imgdata))
1263                 puts("Bad Data CRC\n");
1264         else
1265                 puts("OK\n");
1266
1267         free(imgdata);
1268
1269         return 0;
1270 }
1271
1272 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1273                 size_t len)
1274 {
1275         void *imgdata;
1276         int ret;
1277
1278         imgdata = malloc(len);
1279         if (!imgdata) {
1280                 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1281                                 nand_dev, off);
1282                 printf("   Low memory(cannot allocate memory for image)\n");
1283                 return -ENOMEM;
1284         }
1285
1286         ret = nand_read_skip_bad(nand, off, &len,
1287                         imgdata);
1288         if (ret < 0 && ret != -EUCLEAN) {
1289                 free(imgdata);
1290                 return ret;
1291         }
1292
1293         if (!fit_check_format(imgdata)) {
1294                 free(imgdata);
1295                 return 0;
1296         }
1297
1298         printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1299
1300         fit_print_contents(imgdata);
1301         free(imgdata);
1302
1303         return 0;
1304 }
1305
1306 static int do_imls_nand(void)
1307 {
1308         nand_info_t *nand;
1309         int nand_dev = nand_curr_device;
1310         size_t len;
1311         loff_t off;
1312         u32 buffer[16];
1313
1314         if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1315                 puts("\nNo NAND devices available\n");
1316                 return -ENODEV;
1317         }
1318
1319         printf("\n");
1320
1321         for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1322                 nand = &nand_info[nand_dev];
1323                 if (!nand->name || !nand->size)
1324                         continue;
1325
1326                 for (off = 0; off < nand->size; off += nand->erasesize) {
1327                         const image_header_t *header;
1328                         int ret;
1329
1330                         if (nand_block_isbad(nand, off))
1331                                 continue;
1332
1333                         len = sizeof(buffer);
1334
1335                         ret = nand_read(nand, off, &len, (u8 *)buffer);
1336                         if (ret < 0 && ret != -EUCLEAN) {
1337                                 printf("NAND read error %d at offset %08llX\n",
1338                                                 ret, off);
1339                                 continue;
1340                         }
1341
1342                         switch (genimg_get_format(buffer)) {
1343                         case IMAGE_FORMAT_LEGACY:
1344                                 header = (const image_header_t *)buffer;
1345
1346                                 len = image_get_image_size(header);
1347                                 nand_imls_legacyimage(nand, nand_dev, off, len);
1348                                 break;
1349 #if defined(CONFIG_FIT)
1350                         case IMAGE_FORMAT_FIT:
1351                                 len = fit_get_size(buffer);
1352                                 nand_imls_fitimage(nand, nand_dev, off, len);
1353                                 break;
1354 #endif
1355                         }
1356                 }
1357         }
1358
1359         return 0;
1360 }
1361 #endif
1362
1363 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1364 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1365 {
1366         int ret_nor = 0, ret_nand = 0;
1367
1368 #if defined(CONFIG_CMD_IMLS)
1369         ret_nor = do_imls_nor();
1370 #endif
1371
1372 #if defined(CONFIG_CMD_IMLS_NAND)
1373         ret_nand = do_imls_nand();
1374 #endif
1375
1376         if (ret_nor)
1377                 return ret_nor;
1378
1379         if (ret_nand)
1380                 return ret_nand;
1381
1382         return (0);
1383 }
1384
1385 U_BOOT_CMD(
1386         imls,   1,              1,      do_imls,
1387         "list all images found in flash",
1388         "\n"
1389         "    - Prints information about all images found at sector/block\n"
1390         "      boundaries in nor/nand flash."
1391 );
1392 #endif
1393
1394 /*******************************************************************/
1395 /* helper routines */
1396 /*******************************************************************/
1397 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1398
1399 #define CONSOLE_ARG     "console="
1400 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1401
1402 static void fixup_silent_linux(void)
1403 {
1404         char *buf;
1405         const char *env_val;
1406         char *cmdline = getenv("bootargs");
1407
1408         /* Only fix cmdline when requested */
1409         if (!(gd->flags & GD_FLG_SILENT))
1410                 return;
1411
1412         debug("before silent fix-up: %s\n", cmdline);
1413         if (cmdline && (cmdline[0] != '\0')) {
1414                 char *start = strstr(cmdline, CONSOLE_ARG);
1415
1416                 /* Allocate space for maximum possible new command line */
1417                 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1418                 if (!buf) {
1419                         debug("%s: out of memory\n", __func__);
1420                         return;
1421                 }
1422
1423                 if (start) {
1424                         char *end = strchr(start, ' ');
1425                         int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1426
1427                         strncpy(buf, cmdline, num_start_bytes);
1428                         if (end)
1429                                 strcpy(buf + num_start_bytes, end);
1430                         else
1431                                 buf[num_start_bytes] = '\0';
1432                 } else {
1433                         sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1434                 }
1435                 env_val = buf;
1436         } else {
1437                 buf = NULL;
1438                 env_val = CONSOLE_ARG;
1439         }
1440
1441         setenv("bootargs", env_val);
1442         debug("after silent fix-up: %s\n", env_val);
1443         free(buf);
1444 }
1445 #endif /* CONFIG_SILENT_CONSOLE */
1446
1447 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
1448 static void copy_args(char *dest, int argc, char * const argv[], char delim)
1449 {
1450         int i;
1451
1452         for (i = 0; i < argc; i++) {
1453                 if (i > 0)
1454                         *dest++ = delim;
1455                 strcpy(dest, argv[i]);
1456                 dest += strlen(argv[i]);
1457         }
1458 }
1459 #endif
1460
1461 /*******************************************************************/
1462 /* OS booting routines */
1463 /*******************************************************************/
1464
1465 #ifdef CONFIG_BOOTM_NETBSD
1466 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1467                             bootm_headers_t *images)
1468 {
1469         void (*loader)(bd_t *, image_header_t *, char *, char *);
1470         image_header_t *os_hdr, *hdr;
1471         ulong kernel_data, kernel_len;
1472         char *consdev;
1473         char *cmdline;
1474
1475         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1476                 return 1;
1477
1478 #if defined(CONFIG_FIT)
1479         if (!images->legacy_hdr_valid) {
1480                 fit_unsupported_reset("NetBSD");
1481                 return 1;
1482         }
1483 #endif
1484         hdr = images->legacy_hdr_os;
1485
1486         /*
1487          * Booting a (NetBSD) kernel image
1488          *
1489          * This process is pretty similar to a standalone application:
1490          * The (first part of an multi-) image must be a stage-2 loader,
1491          * which in turn is responsible for loading & invoking the actual
1492          * kernel.  The only differences are the parameters being passed:
1493          * besides the board info strucure, the loader expects a command
1494          * line, the name of the console device, and (optionally) the
1495          * address of the original image header.
1496          */
1497         os_hdr = NULL;
1498         if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1499                 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1500                 if (kernel_len)
1501                         os_hdr = hdr;
1502         }
1503
1504         consdev = "";
1505 #if   defined(CONFIG_8xx_CONS_SMC1)
1506         consdev = "smc1";
1507 #elif defined(CONFIG_8xx_CONS_SMC2)
1508         consdev = "smc2";
1509 #elif defined(CONFIG_8xx_CONS_SCC2)
1510         consdev = "scc2";
1511 #elif defined(CONFIG_8xx_CONS_SCC3)
1512         consdev = "scc3";
1513 #endif
1514
1515         if (argc > 0) {
1516                 ulong len;
1517                 int   i;
1518
1519                 for (i = 0, len = 0; i < argc; i += 1)
1520                         len += strlen(argv[i]) + 1;
1521                 cmdline = malloc(len);
1522                 copy_args(cmdline, argc, argv, ' ');
1523         } else if ((cmdline = getenv("bootargs")) == NULL) {
1524                 cmdline = "";
1525         }
1526
1527         loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1528
1529         printf("## Transferring control to NetBSD stage-2 loader "
1530                 "(at address %08lx) ...\n",
1531                 (ulong)loader);
1532
1533         bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1534
1535         /*
1536          * NetBSD Stage-2 Loader Parameters:
1537          *   r3: ptr to board info data
1538          *   r4: image address
1539          *   r5: console device
1540          *   r6: boot args string
1541          */
1542         (*loader)(gd->bd, os_hdr, consdev, cmdline);
1543
1544         return 1;
1545 }
1546 #endif /* CONFIG_BOOTM_NETBSD*/
1547
1548 #ifdef CONFIG_LYNXKDI
1549 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1550                              bootm_headers_t *images)
1551 {
1552         image_header_t *hdr = &images->legacy_hdr_os_copy;
1553
1554         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1555                 return 1;
1556
1557 #if defined(CONFIG_FIT)
1558         if (!images->legacy_hdr_valid) {
1559                 fit_unsupported_reset("Lynx");
1560                 return 1;
1561         }
1562 #endif
1563
1564         lynxkdi_boot((image_header_t *)hdr);
1565
1566         return 1;
1567 }
1568 #endif /* CONFIG_LYNXKDI */
1569
1570 #ifdef CONFIG_BOOTM_RTEMS
1571 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1572                            bootm_headers_t *images)
1573 {
1574         void (*entry_point)(bd_t *);
1575
1576         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1577                 return 1;
1578
1579 #if defined(CONFIG_FIT)
1580         if (!images->legacy_hdr_valid) {
1581                 fit_unsupported_reset("RTEMS");
1582                 return 1;
1583         }
1584 #endif
1585
1586         entry_point = (void (*)(bd_t *))images->ep;
1587
1588         printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1589                 (ulong)entry_point);
1590
1591         bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1592
1593         /*
1594          * RTEMS Parameters:
1595          *   r3: ptr to board info data
1596          */
1597         (*entry_point)(gd->bd);
1598
1599         return 1;
1600 }
1601 #endif /* CONFIG_BOOTM_RTEMS */
1602
1603 #if defined(CONFIG_BOOTM_OSE)
1604 static int do_bootm_ose(int flag, int argc, char * const argv[],
1605                            bootm_headers_t *images)
1606 {
1607         void (*entry_point)(void);
1608
1609         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1610                 return 1;
1611
1612 #if defined(CONFIG_FIT)
1613         if (!images->legacy_hdr_valid) {
1614                 fit_unsupported_reset("OSE");
1615                 return 1;
1616         }
1617 #endif
1618
1619         entry_point = (void (*)(void))images->ep;
1620
1621         printf("## Transferring control to OSE (at address %08lx) ...\n",
1622                 (ulong)entry_point);
1623
1624         bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1625
1626         /*
1627          * OSE Parameters:
1628          *   None
1629          */
1630         (*entry_point)();
1631
1632         return 1;
1633 }
1634 #endif /* CONFIG_BOOTM_OSE */
1635
1636 #if defined(CONFIG_BOOTM_PLAN9)
1637 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1638                            bootm_headers_t *images)
1639 {
1640         void (*entry_point)(void);
1641         char *s;
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         /* See README.plan9 */
1654         s = getenv("confaddr");
1655         if (s != NULL) {
1656                 char *confaddr = (char *)simple_strtoul(s, NULL, 16);
1657
1658                 if (argc > 0) {
1659                         copy_args(confaddr, argc, argv, '\n');
1660                 } else {
1661                         s = getenv("bootargs");
1662                         if (s != NULL)
1663                                 strcpy(confaddr, s);
1664                 }
1665         }
1666
1667         entry_point = (void (*)(void))images->ep;
1668
1669         printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1670                 (ulong)entry_point);
1671
1672         bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1673
1674         /*
1675          * Plan 9 Parameters:
1676          *   None
1677          */
1678         (*entry_point)();
1679
1680         return 1;
1681 }
1682 #endif /* CONFIG_BOOTM_PLAN9 */
1683
1684 #if defined(CONFIG_CMD_ELF)
1685 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1686                              bootm_headers_t *images)
1687 {
1688         char str[80];
1689
1690         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1691                 return 1;
1692
1693 #if defined(CONFIG_FIT)
1694         if (!images->legacy_hdr_valid) {
1695                 fit_unsupported_reset("VxWorks");
1696                 return 1;
1697         }
1698 #endif
1699
1700         sprintf(str, "%lx", images->ep); /* write entry-point into string */
1701         setenv("loadaddr", str);
1702         do_bootvx(NULL, 0, 0, NULL);
1703
1704         return 1;
1705 }
1706
1707 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1708                             bootm_headers_t *images)
1709 {
1710         char *local_args[2];
1711         char str[16];
1712
1713         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1714                 return 1;
1715
1716 #if defined(CONFIG_FIT)
1717         if (!images->legacy_hdr_valid) {
1718                 fit_unsupported_reset("QNX");
1719                 return 1;
1720         }
1721 #endif
1722
1723         sprintf(str, "%lx", images->ep); /* write entry-point into string */
1724         local_args[0] = argv[0];
1725         local_args[1] = str;    /* and provide it via the arguments */
1726         do_bootelf(NULL, 0, 2, local_args);
1727
1728         return 1;
1729 }
1730 #endif
1731
1732 #ifdef CONFIG_INTEGRITY
1733 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1734                            bootm_headers_t *images)
1735 {
1736         void (*entry_point)(void);
1737
1738         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1739                 return 1;
1740
1741 #if defined(CONFIG_FIT)
1742         if (!images->legacy_hdr_valid) {
1743                 fit_unsupported_reset("INTEGRITY");
1744                 return 1;
1745         }
1746 #endif
1747
1748         entry_point = (void (*)(void))images->ep;
1749
1750         printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1751                 (ulong)entry_point);
1752
1753         bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1754
1755         /*
1756          * INTEGRITY Parameters:
1757          *   None
1758          */
1759         (*entry_point)();
1760
1761         return 1;
1762 }
1763 #endif
1764
1765 #ifdef CONFIG_CMD_BOOTZ
1766
1767 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
1768 {
1769         /* Please define bootz_setup() for your platform */
1770
1771         puts("Your platform's zImage format isn't supported yet!\n");
1772         return -1;
1773 }
1774
1775 /*
1776  * zImage booting support
1777  */
1778 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1779                         char * const argv[], bootm_headers_t *images)
1780 {
1781         int ret;
1782         ulong zi_start, zi_end;
1783
1784         ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
1785                               images, 1);
1786
1787         /* Setup Linux kernel zImage entry point */
1788         if (!argc) {
1789                 images->ep = load_addr;
1790                 debug("*  kernel: default image load address = 0x%08lx\n",
1791                                 load_addr);
1792         } else {
1793                 images->ep = simple_strtoul(argv[0], NULL, 16);
1794                 debug("*  kernel: cmdline image address = 0x%08lx\n",
1795                         images->ep);
1796         }
1797
1798         ret = bootz_setup(images->ep, &zi_start, &zi_end);
1799         if (ret != 0)
1800                 return 1;
1801
1802         lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1803
1804         /*
1805          * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
1806          * have a header that provide this informaiton.
1807          */
1808         if (bootm_find_ramdisk(flag, argc, argv))
1809                 return 1;
1810
1811 #if defined(CONFIG_OF_LIBFDT)
1812         if (bootm_find_fdt(flag, argc, argv))
1813                 return 1;
1814 #endif
1815
1816         return 0;
1817 }
1818
1819 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1820 {
1821         int ret;
1822
1823         /* Consume 'bootz' */
1824         argc--; argv++;
1825
1826         if (bootz_start(cmdtp, flag, argc, argv, &images))
1827                 return 1;
1828
1829         /*
1830          * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
1831          * disable interrupts ourselves
1832          */
1833         bootm_disable_interrupts();
1834
1835         images.os.os = IH_OS_LINUX;
1836         ret = do_bootm_states(cmdtp, flag, argc, argv,
1837                               BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
1838                               BOOTM_STATE_OS_GO,
1839                               &images, 1);
1840
1841         return ret;
1842 }
1843
1844 #ifdef CONFIG_SYS_LONGHELP
1845 static char bootz_help_text[] =
1846         "[addr [initrd[:size]] [fdt]]\n"
1847         "    - boot Linux zImage stored in memory\n"
1848         "\tThe argument 'initrd' is optional and specifies the address\n"
1849         "\tof the initrd in memory. The optional argument ':size' allows\n"
1850         "\tspecifying the size of RAW initrd.\n"
1851 #if defined(CONFIG_OF_LIBFDT)
1852         "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1853         "\ta third argument is required which is the address of the\n"
1854         "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1855         "\tuse a '-' for the second argument. If you do not pass a third\n"
1856         "\ta bd_info struct will be passed instead\n"
1857 #endif
1858         "";
1859 #endif
1860
1861 U_BOOT_CMD(
1862         bootz,  CONFIG_SYS_MAXARGS,     1,      do_bootz,
1863         "boot Linux zImage image from memory", bootz_help_text
1864 );
1865 #endif  /* CONFIG_CMD_BOOTZ */