Clarify bootm OS arguments
[karo-tx-uboot.git] / common / image.c
1 /*
2  * (C) Copyright 2008 Semihalf
3  *
4  * (C) Copyright 2000-2006
5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6  *
7  * See file CREDITS for list of people who contributed to this
8  * project.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License as
12  * published by the Free Software Foundation; either version 2 of
13  * the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23  * MA 02111-1307 USA
24  */
25
26 #ifndef USE_HOSTCC
27 #include <common.h>
28 #include <watchdog.h>
29
30 #ifdef CONFIG_SHOW_BOOT_PROGRESS
31 #include <status_led.h>
32 #endif
33
34 #ifdef CONFIG_HAS_DATAFLASH
35 #include <dataflash.h>
36 #endif
37
38 #ifdef CONFIG_LOGBUFFER
39 #include <logbuff.h>
40 #endif
41
42 #include <rtc.h>
43
44 #include <environment.h>
45 #include <image.h>
46
47 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
48 #include <libfdt.h>
49 #include <fdt_support.h>
50 #endif
51
52 #include <u-boot/md5.h>
53 #include <sha1.h>
54 #include <asm/errno.h>
55 #include <asm/io.h>
56
57 #ifdef CONFIG_CMD_BDI
58 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
59 #endif
60
61 DECLARE_GLOBAL_DATA_PTR;
62
63 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
64                                                 int verify);
65 #else
66 #include "mkimage.h"
67 #include <u-boot/md5.h>
68 #include <time.h>
69 #include <image.h>
70 #endif /* !USE_HOSTCC*/
71
72 #include <u-boot/crc.h>
73
74 #ifndef CONFIG_SYS_BARGSIZE
75 #define CONFIG_SYS_BARGSIZE 512
76 #endif
77
78 static const table_entry_t uimage_arch[] = {
79         {       IH_ARCH_INVALID,        NULL,           "Invalid ARCH", },
80         {       IH_ARCH_ALPHA,          "alpha",        "Alpha",        },
81         {       IH_ARCH_ARM,            "arm",          "ARM",          },
82         {       IH_ARCH_I386,           "x86",          "Intel x86",    },
83         {       IH_ARCH_IA64,           "ia64",         "IA64",         },
84         {       IH_ARCH_M68K,           "m68k",         "M68K",         },
85         {       IH_ARCH_MICROBLAZE,     "microblaze",   "MicroBlaze",   },
86         {       IH_ARCH_MIPS,           "mips",         "MIPS",         },
87         {       IH_ARCH_MIPS64,         "mips64",       "MIPS 64 Bit",  },
88         {       IH_ARCH_NIOS2,          "nios2",        "NIOS II",      },
89         {       IH_ARCH_PPC,            "powerpc",      "PowerPC",      },
90         {       IH_ARCH_PPC,            "ppc",          "PowerPC",      },
91         {       IH_ARCH_S390,           "s390",         "IBM S390",     },
92         {       IH_ARCH_SH,             "sh",           "SuperH",       },
93         {       IH_ARCH_SPARC,          "sparc",        "SPARC",        },
94         {       IH_ARCH_SPARC64,        "sparc64",      "SPARC 64 Bit", },
95         {       IH_ARCH_BLACKFIN,       "blackfin",     "Blackfin",     },
96         {       IH_ARCH_AVR32,          "avr32",        "AVR32",        },
97         {       IH_ARCH_NDS32,          "nds32",        "NDS32",        },
98         {       IH_ARCH_OPENRISC,       "or1k",         "OpenRISC 1000",},
99         {       IH_ARCH_SANDBOX,        "sandbox",      "Sandbox",      },
100         {       -1,                     "",             "",             },
101 };
102
103 static const table_entry_t uimage_os[] = {
104         {       IH_OS_INVALID,  NULL,           "Invalid OS",           },
105         {       IH_OS_LINUX,    "linux",        "Linux",                },
106 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
107         {       IH_OS_LYNXOS,   "lynxos",       "LynxOS",               },
108 #endif
109         {       IH_OS_NETBSD,   "netbsd",       "NetBSD",               },
110         {       IH_OS_OSE,      "ose",          "Enea OSE",             },
111         {       IH_OS_PLAN9,    "plan9",        "Plan 9",               },
112         {       IH_OS_RTEMS,    "rtems",        "RTEMS",                },
113         {       IH_OS_U_BOOT,   "u-boot",       "U-Boot",               },
114 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
115         {       IH_OS_QNX,      "qnx",          "QNX",                  },
116         {       IH_OS_VXWORKS,  "vxworks",      "VxWorks",              },
117 #endif
118 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
119         {       IH_OS_INTEGRITY,"integrity",    "INTEGRITY",            },
120 #endif
121 #ifdef USE_HOSTCC
122         {       IH_OS_4_4BSD,   "4_4bsd",       "4_4BSD",               },
123         {       IH_OS_DELL,     "dell",         "Dell",                 },
124         {       IH_OS_ESIX,     "esix",         "Esix",                 },
125         {       IH_OS_FREEBSD,  "freebsd",      "FreeBSD",              },
126         {       IH_OS_IRIX,     "irix",         "Irix",                 },
127         {       IH_OS_NCR,      "ncr",          "NCR",                  },
128         {       IH_OS_OPENBSD,  "openbsd",      "OpenBSD",              },
129         {       IH_OS_PSOS,     "psos",         "pSOS",                 },
130         {       IH_OS_SCO,      "sco",          "SCO",                  },
131         {       IH_OS_SOLARIS,  "solaris",      "Solaris",              },
132         {       IH_OS_SVR4,     "svr4",         "SVR4",                 },
133 #endif
134         {       -1,             "",             "",                     },
135 };
136
137 static const table_entry_t uimage_type[] = {
138         {       IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
139         {       IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",   },
140         {       IH_TYPE_FIRMWARE,   "firmware",   "Firmware",           },
141         {       IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",   },
142         {       IH_TYPE_KERNEL,     "kernel",     "Kernel Image",       },
143         {       IH_TYPE_KERNEL_NOLOAD, "kernel_noload",  "Kernel Image (no loading done)", },
144         {       IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
145         {       IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
146         {       IH_TYPE_INVALID,    NULL,         "Invalid Image",      },
147         {       IH_TYPE_MULTI,      "multi",      "Multi-File Image",   },
148         {       IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
149         {       IH_TYPE_PBLIMAGE,   "pblimage",   "Freescale PBL Boot Image",},
150         {       IH_TYPE_RAMDISK,    "ramdisk",    "RAMDisk Image",      },
151         {       IH_TYPE_SCRIPT,     "script",     "Script",             },
152         {       IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
153         {       IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
154         {       -1,                 "",           "",                   },
155 };
156
157 static const table_entry_t uimage_comp[] = {
158         {       IH_COMP_NONE,   "none",         "uncompressed",         },
159         {       IH_COMP_BZIP2,  "bzip2",        "bzip2 compressed",     },
160         {       IH_COMP_GZIP,   "gzip",         "gzip compressed",      },
161         {       IH_COMP_LZMA,   "lzma",         "lzma compressed",      },
162         {       IH_COMP_LZO,    "lzo",          "lzo compressed",       },
163         {       -1,             "",             "",                     },
164 };
165
166 /*****************************************************************************/
167 /* Legacy format routines */
168 /*****************************************************************************/
169 int image_check_hcrc(const image_header_t *hdr)
170 {
171         ulong hcrc;
172         ulong len = image_get_header_size();
173         image_header_t header;
174
175         /* Copy header so we can blank CRC field for re-calculation */
176         memmove(&header, (char *)hdr, image_get_header_size());
177         image_set_hcrc(&header, 0);
178
179         hcrc = crc32(0, (unsigned char *)&header, len);
180
181         return (hcrc == image_get_hcrc(hdr));
182 }
183
184 int image_check_dcrc(const image_header_t *hdr)
185 {
186         ulong data = image_get_data(hdr);
187         ulong len = image_get_data_size(hdr);
188         ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
189
190         return (dcrc == image_get_dcrc(hdr));
191 }
192
193 /**
194  * image_multi_count - get component (sub-image) count
195  * @hdr: pointer to the header of the multi component image
196  *
197  * image_multi_count() returns number of components in a multi
198  * component image.
199  *
200  * Note: no checking of the image type is done, caller must pass
201  * a valid multi component image.
202  *
203  * returns:
204  *     number of components
205  */
206 ulong image_multi_count(const image_header_t *hdr)
207 {
208         ulong i, count = 0;
209         uint32_t *size;
210
211         /* get start of the image payload, which in case of multi
212          * component images that points to a table of component sizes */
213         size = (uint32_t *)image_get_data(hdr);
214
215         /* count non empty slots */
216         for (i = 0; size[i]; ++i)
217                 count++;
218
219         return count;
220 }
221
222 /**
223  * image_multi_getimg - get component data address and size
224  * @hdr: pointer to the header of the multi component image
225  * @idx: index of the requested component
226  * @data: pointer to a ulong variable, will hold component data address
227  * @len: pointer to a ulong variable, will hold component size
228  *
229  * image_multi_getimg() returns size and data address for the requested
230  * component in a multi component image.
231  *
232  * Note: no checking of the image type is done, caller must pass
233  * a valid multi component image.
234  *
235  * returns:
236  *     data address and size of the component, if idx is valid
237  *     0 in data and len, if idx is out of range
238  */
239 void image_multi_getimg(const image_header_t *hdr, ulong idx,
240                         ulong *data, ulong *len)
241 {
242         int i;
243         uint32_t *size;
244         ulong offset, count, img_data;
245
246         /* get number of component */
247         count = image_multi_count(hdr);
248
249         /* get start of the image payload, which in case of multi
250          * component images that points to a table of component sizes */
251         size = (uint32_t *)image_get_data(hdr);
252
253         /* get address of the proper component data start, which means
254          * skipping sizes table (add 1 for last, null entry) */
255         img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
256
257         if (idx < count) {
258                 *len = uimage_to_cpu(size[idx]);
259                 offset = 0;
260
261                 /* go over all indices preceding requested component idx */
262                 for (i = 0; i < idx; i++) {
263                         /* add up i-th component size, rounding up to 4 bytes */
264                         offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
265                 }
266
267                 /* calculate idx-th component data address */
268                 *data = img_data + offset;
269         } else {
270                 *len = 0;
271                 *data = 0;
272         }
273 }
274
275 static void image_print_type(const image_header_t *hdr)
276 {
277         const char *os, *arch, *type, *comp;
278
279         os = genimg_get_os_name(image_get_os(hdr));
280         arch = genimg_get_arch_name(image_get_arch(hdr));
281         type = genimg_get_type_name(image_get_type(hdr));
282         comp = genimg_get_comp_name(image_get_comp(hdr));
283
284         printf("%s %s %s (%s)\n", arch, os, type, comp);
285 }
286
287 /**
288  * image_print_contents - prints out the contents of the legacy format image
289  * @ptr: pointer to the legacy format image header
290  * @p: pointer to prefix string
291  *
292  * image_print_contents() formats a multi line legacy image contents description.
293  * The routine prints out all header fields followed by the size/offset data
294  * for MULTI/SCRIPT images.
295  *
296  * returns:
297  *     no returned results
298  */
299 void image_print_contents(const void *ptr)
300 {
301         const image_header_t *hdr = (const image_header_t *)ptr;
302         const char *p;
303
304         p = IMAGE_INDENT_STRING;
305         printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
306         if (IMAGE_ENABLE_TIMESTAMP) {
307                 printf("%sCreated:      ", p);
308                 genimg_print_time((time_t)image_get_time(hdr));
309         }
310         printf("%sImage Type:   ", p);
311         image_print_type(hdr);
312         printf("%sData Size:    ", p);
313         genimg_print_size(image_get_data_size(hdr));
314         printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
315         printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
316
317         if (image_check_type(hdr, IH_TYPE_MULTI) ||
318                         image_check_type(hdr, IH_TYPE_SCRIPT)) {
319                 int i;
320                 ulong data, len;
321                 ulong count = image_multi_count(hdr);
322
323                 printf("%sContents:\n", p);
324                 for (i = 0; i < count; i++) {
325                         image_multi_getimg(hdr, i, &data, &len);
326
327                         printf("%s   Image %d: ", p, i);
328                         genimg_print_size(len);
329
330                         if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
331                                 /*
332                                  * the user may need to know offsets
333                                  * if planning to do something with
334                                  * multiple files
335                                  */
336                                 printf("%s    Offset = 0x%08lx\n", p, data);
337                         }
338                 }
339         }
340 }
341
342
343 #ifndef USE_HOSTCC
344 /**
345  * image_get_ramdisk - get and verify ramdisk image
346  * @rd_addr: ramdisk image start address
347  * @arch: expected ramdisk architecture
348  * @verify: checksum verification flag
349  *
350  * image_get_ramdisk() returns a pointer to the verified ramdisk image
351  * header. Routine receives image start address and expected architecture
352  * flag. Verification done covers data and header integrity and os/type/arch
353  * fields checking.
354  *
355  * If dataflash support is enabled routine checks for dataflash addresses
356  * and handles required dataflash reads.
357  *
358  * returns:
359  *     pointer to a ramdisk image header, if image was found and valid
360  *     otherwise, return NULL
361  */
362 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
363                                                 int verify)
364 {
365         const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
366
367         if (!image_check_magic(rd_hdr)) {
368                 puts("Bad Magic Number\n");
369                 bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
370                 return NULL;
371         }
372
373         if (!image_check_hcrc(rd_hdr)) {
374                 puts("Bad Header Checksum\n");
375                 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
376                 return NULL;
377         }
378
379         bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
380         image_print_contents(rd_hdr);
381
382         if (verify) {
383                 puts("   Verifying Checksum ... ");
384                 if (!image_check_dcrc(rd_hdr)) {
385                         puts("Bad Data CRC\n");
386                         bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
387                         return NULL;
388                 }
389                 puts("OK\n");
390         }
391
392         bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
393
394         if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
395             !image_check_arch(rd_hdr, arch) ||
396             !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
397                 printf("No Linux %s Ramdisk Image\n",
398                                 genimg_get_arch_name(arch));
399                 bootstage_error(BOOTSTAGE_ID_RAMDISK);
400                 return NULL;
401         }
402
403         return rd_hdr;
404 }
405 #endif /* !USE_HOSTCC */
406
407 /*****************************************************************************/
408 /* Shared dual-format routines */
409 /*****************************************************************************/
410 #ifndef USE_HOSTCC
411 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
412 ulong save_addr;                        /* Default Save Address */
413 ulong save_size;                        /* Default Save Size (in bytes) */
414
415 static int on_loadaddr(const char *name, const char *value, enum env_op op,
416         int flags)
417 {
418         switch (op) {
419         case env_op_create:
420         case env_op_overwrite:
421                 load_addr = simple_strtoul(value, NULL, 16);
422                 break;
423         default:
424                 break;
425         }
426
427         return 0;
428 }
429 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
430
431 ulong getenv_bootm_low(void)
432 {
433         char *s = getenv("bootm_low");
434         if (s) {
435                 ulong tmp = simple_strtoul(s, NULL, 16);
436                 return tmp;
437         }
438
439 #if defined(CONFIG_SYS_SDRAM_BASE)
440         return CONFIG_SYS_SDRAM_BASE;
441 #elif defined(CONFIG_ARM)
442         return gd->bd->bi_dram[0].start;
443 #else
444         return 0;
445 #endif
446 }
447
448 phys_size_t getenv_bootm_size(void)
449 {
450         phys_size_t tmp;
451         char *s = getenv("bootm_size");
452         if (s) {
453                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
454                 return tmp;
455         }
456         s = getenv("bootm_low");
457         if (s)
458                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
459         else
460                 tmp = 0;
461
462
463 #if defined(CONFIG_ARM)
464         return gd->bd->bi_dram[0].size - tmp;
465 #else
466         return gd->bd->bi_memsize - tmp;
467 #endif
468 }
469
470 phys_size_t getenv_bootm_mapsize(void)
471 {
472         phys_size_t tmp;
473         char *s = getenv("bootm_mapsize");
474         if (s) {
475                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
476                 return tmp;
477         }
478
479 #if defined(CONFIG_SYS_BOOTMAPSZ)
480         return CONFIG_SYS_BOOTMAPSZ;
481 #else
482         return getenv_bootm_size();
483 #endif
484 }
485
486 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
487 {
488         if (to == from)
489                 return;
490
491 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
492         while (len > 0) {
493                 size_t tail = (len > chunksz) ? chunksz : len;
494                 WATCHDOG_RESET();
495                 memmove(to, from, tail);
496                 to += tail;
497                 from += tail;
498                 len -= tail;
499         }
500 #else   /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
501         memmove(to, from, len);
502 #endif  /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
503 }
504 #endif /* !USE_HOSTCC */
505
506 void genimg_print_size(uint32_t size)
507 {
508 #ifndef USE_HOSTCC
509         printf("%d Bytes = ", size);
510         print_size(size, "\n");
511 #else
512         printf("%d Bytes = %.2f kB = %.2f MB\n",
513                         size, (double)size / 1.024e3,
514                         (double)size / 1.048576e6);
515 #endif
516 }
517
518 #if IMAGE_ENABLE_TIMESTAMP
519 void genimg_print_time(time_t timestamp)
520 {
521 #ifndef USE_HOSTCC
522         struct rtc_time tm;
523
524         to_tm(timestamp, &tm);
525         printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
526                         tm.tm_year, tm.tm_mon, tm.tm_mday,
527                         tm.tm_hour, tm.tm_min, tm.tm_sec);
528 #else
529         printf("%s", ctime(&timestamp));
530 #endif
531 }
532 #endif
533
534 /**
535  * get_table_entry_name - translate entry id to long name
536  * @table: pointer to a translation table for entries of a specific type
537  * @msg: message to be returned when translation fails
538  * @id: entry id to be translated
539  *
540  * get_table_entry_name() will go over translation table trying to find
541  * entry that matches given id. If matching entry is found, its long
542  * name is returned to the caller.
543  *
544  * returns:
545  *     long entry name if translation succeeds
546  *     msg otherwise
547  */
548 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
549 {
550         for (; table->id >= 0; ++table) {
551                 if (table->id == id)
552 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
553                         return table->lname;
554 #else
555                         return table->lname + gd->reloc_off;
556 #endif
557         }
558         return (msg);
559 }
560
561 const char *genimg_get_os_name(uint8_t os)
562 {
563         return (get_table_entry_name(uimage_os, "Unknown OS", os));
564 }
565
566 const char *genimg_get_arch_name(uint8_t arch)
567 {
568         return (get_table_entry_name(uimage_arch, "Unknown Architecture",
569                                         arch));
570 }
571
572 const char *genimg_get_type_name(uint8_t type)
573 {
574         return (get_table_entry_name(uimage_type, "Unknown Image", type));
575 }
576
577 const char *genimg_get_comp_name(uint8_t comp)
578 {
579         return (get_table_entry_name(uimage_comp, "Unknown Compression",
580                                         comp));
581 }
582
583 /**
584  * get_table_entry_id - translate short entry name to id
585  * @table: pointer to a translation table for entries of a specific type
586  * @table_name: to be used in case of error
587  * @name: entry short name to be translated
588  *
589  * get_table_entry_id() will go over translation table trying to find
590  * entry that matches given short name. If matching entry is found,
591  * its id returned to the caller.
592  *
593  * returns:
594  *     entry id if translation succeeds
595  *     -1 otherwise
596  */
597 int get_table_entry_id(const table_entry_t *table,
598                 const char *table_name, const char *name)
599 {
600         const table_entry_t *t;
601 #ifdef USE_HOSTCC
602         int first = 1;
603
604         for (t = table; t->id >= 0; ++t) {
605                 if (t->sname && strcasecmp(t->sname, name) == 0)
606                         return(t->id);
607         }
608
609         fprintf(stderr, "\nInvalid %s Type - valid names are", table_name);
610         for (t = table; t->id >= 0; ++t) {
611                 if (t->sname == NULL)
612                         continue;
613                 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname);
614                 first = 0;
615         }
616         fprintf(stderr, "\n");
617 #else
618         for (t = table; t->id >= 0; ++t) {
619 #ifdef CONFIG_NEEDS_MANUAL_RELOC
620                 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0)
621 #else
622                 if (t->sname && strcmp(t->sname, name) == 0)
623 #endif
624                         return (t->id);
625         }
626         debug("Invalid %s Type: %s\n", table_name, name);
627 #endif /* USE_HOSTCC */
628         return (-1);
629 }
630
631 int genimg_get_os_id(const char *name)
632 {
633         return (get_table_entry_id(uimage_os, "OS", name));
634 }
635
636 int genimg_get_arch_id(const char *name)
637 {
638         return (get_table_entry_id(uimage_arch, "CPU", name));
639 }
640
641 int genimg_get_type_id(const char *name)
642 {
643         return (get_table_entry_id(uimage_type, "Image", name));
644 }
645
646 int genimg_get_comp_id(const char *name)
647 {
648         return (get_table_entry_id(uimage_comp, "Compression", name));
649 }
650
651 #ifndef USE_HOSTCC
652 /**
653  * genimg_get_format - get image format type
654  * @img_addr: image start address
655  *
656  * genimg_get_format() checks whether provided address points to a valid
657  * legacy or FIT image.
658  *
659  * New uImage format and FDT blob are based on a libfdt. FDT blob
660  * may be passed directly or embedded in a FIT image. In both situations
661  * genimg_get_format() must be able to dectect libfdt header.
662  *
663  * returns:
664  *     image format type or IMAGE_FORMAT_INVALID if no image is present
665  */
666 int genimg_get_format(const void *img_addr)
667 {
668         ulong format = IMAGE_FORMAT_INVALID;
669         const image_header_t *hdr;
670 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
671         char *fit_hdr;
672 #endif
673
674         hdr = (const image_header_t *)img_addr;
675         if (image_check_magic(hdr))
676                 format = IMAGE_FORMAT_LEGACY;
677 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
678         else {
679                 fit_hdr = (char *)img_addr;
680                 if (fdt_check_header(fit_hdr) == 0)
681                         format = IMAGE_FORMAT_FIT;
682         }
683 #endif
684
685         return format;
686 }
687
688 /**
689  * genimg_get_image - get image from special storage (if necessary)
690  * @img_addr: image start address
691  *
692  * genimg_get_image() checks if provided image start adddress is located
693  * in a dataflash storage. If so, image is moved to a system RAM memory.
694  *
695  * returns:
696  *     image start address after possible relocation from special storage
697  */
698 ulong genimg_get_image(ulong img_addr)
699 {
700         ulong ram_addr = img_addr;
701
702 #ifdef CONFIG_HAS_DATAFLASH
703         ulong h_size, d_size;
704
705         if (addr_dataflash(img_addr)) {
706                 void *buf;
707
708                 /* ger RAM address */
709                 ram_addr = CONFIG_SYS_LOAD_ADDR;
710
711                 /* get header size */
712                 h_size = image_get_header_size();
713 #if defined(CONFIG_FIT)
714                 if (sizeof(struct fdt_header) > h_size)
715                         h_size = sizeof(struct fdt_header);
716 #endif
717
718                 /* read in header */
719                 debug("   Reading image header from dataflash address "
720                         "%08lx to RAM address %08lx\n", img_addr, ram_addr);
721
722                 buf = map_sysmem(ram_addr, 0);
723                 read_dataflash(img_addr, h_size, buf);
724
725                 /* get data size */
726                 switch (genimg_get_format(buf)) {
727                 case IMAGE_FORMAT_LEGACY:
728                         d_size = image_get_data_size(buf);
729                         debug("   Legacy format image found at 0x%08lx, "
730                                         "size 0x%08lx\n",
731                                         ram_addr, d_size);
732                         break;
733 #if defined(CONFIG_FIT)
734                 case IMAGE_FORMAT_FIT:
735                         d_size = fit_get_size(buf) - h_size;
736                         debug("   FIT/FDT format image found at 0x%08lx, "
737                                         "size 0x%08lx\n",
738                                         ram_addr, d_size);
739                         break;
740 #endif
741                 default:
742                         printf("   No valid image found at 0x%08lx\n",
743                                 img_addr);
744                         return ram_addr;
745                 }
746
747                 /* read in image data */
748                 debug("   Reading image remaining data from dataflash address "
749                         "%08lx to RAM address %08lx\n", img_addr + h_size,
750                         ram_addr + h_size);
751
752                 read_dataflash(img_addr + h_size, d_size,
753                                 (char *)(buf + h_size));
754
755         }
756 #endif /* CONFIG_HAS_DATAFLASH */
757
758         return ram_addr;
759 }
760
761 /**
762  * fit_has_config - check if there is a valid FIT configuration
763  * @images: pointer to the bootm command headers structure
764  *
765  * fit_has_config() checks if there is a FIT configuration in use
766  * (if FTI support is present).
767  *
768  * returns:
769  *     0, no FIT support or no configuration found
770  *     1, configuration found
771  */
772 int genimg_has_config(bootm_headers_t *images)
773 {
774 #if defined(CONFIG_FIT)
775         if (images->fit_uname_cfg)
776                 return 1;
777 #endif
778         return 0;
779 }
780
781 /**
782  * boot_get_ramdisk - main ramdisk handling routine
783  * @argc: command argument count
784  * @argv: command argument list
785  * @images: pointer to the bootm images structure
786  * @arch: expected ramdisk architecture
787  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
788  * @rd_end: pointer to a ulong variable, will hold ramdisk end
789  *
790  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
791  * Curently supported are the following ramdisk sources:
792  *      - multicomponent kernel/ramdisk image,
793  *      - commandline provided address of decicated ramdisk image.
794  *
795  * returns:
796  *     0, if ramdisk image was found and valid, or skiped
797  *     rd_start and rd_end are set to ramdisk start/end addresses if
798  *     ramdisk image is found and valid
799  *
800  *     1, if ramdisk image is found but corrupted, or invalid
801  *     rd_start and rd_end are set to 0 if no ramdisk exists
802  */
803 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
804                 uint8_t arch, ulong *rd_start, ulong *rd_end)
805 {
806         ulong rd_addr, rd_load;
807         ulong rd_data, rd_len;
808         const image_header_t *rd_hdr;
809         void *buf;
810 #ifdef CONFIG_SUPPORT_RAW_INITRD
811         char *end;
812 #endif
813 #if defined(CONFIG_FIT)
814         const char      *fit_uname_config = NULL;
815         const char      *fit_uname_ramdisk = NULL;
816         ulong           default_addr;
817         int             rd_noffset;
818 #endif
819         const char *select = NULL;
820
821         *rd_start = 0;
822         *rd_end = 0;
823
824         if (argc >= 2)
825                 select = argv[1];
826         /*
827          * Look for a '-' which indicates to ignore the
828          * ramdisk argument
829          */
830         if (select && strcmp(select, "-") ==  0) {
831                 debug("## Skipping init Ramdisk\n");
832                 rd_len = rd_data = 0;
833         } else if (select || genimg_has_config(images)) {
834 #if defined(CONFIG_FIT)
835                 if (select) {
836                         /*
837                          * If the init ramdisk comes from the FIT image and
838                          * the FIT image address is omitted in the command
839                          * line argument, try to use os FIT image address or
840                          * default load address.
841                          */
842                         if (images->fit_uname_os)
843                                 default_addr = (ulong)images->fit_hdr_os;
844                         else
845                                 default_addr = load_addr;
846
847                         if (fit_parse_conf(select, default_addr,
848                                            &rd_addr, &fit_uname_config)) {
849                                 debug("*  ramdisk: config '%s' from image at "
850                                                 "0x%08lx\n",
851                                                 fit_uname_config, rd_addr);
852                         } else if (fit_parse_subimage(select, default_addr,
853                                                 &rd_addr, &fit_uname_ramdisk)) {
854                                 debug("*  ramdisk: subimage '%s' from image at "
855                                                 "0x%08lx\n",
856                                                 fit_uname_ramdisk, rd_addr);
857                         } else
858 #endif
859                         {
860                                 rd_addr = simple_strtoul(select, NULL, 16);
861                                 debug("*  ramdisk: cmdline image address = "
862                                                 "0x%08lx\n",
863                                                 rd_addr);
864                         }
865 #if defined(CONFIG_FIT)
866                 } else {
867                         /* use FIT configuration provided in first bootm
868                          * command argument. If the property is not defined,
869                          * quit silently.
870                          */
871                         rd_addr = map_to_sysmem(images->fit_hdr_os);
872                         rd_noffset = fit_get_node_from_config(images,
873                                         FIT_RAMDISK_PROP, rd_addr);
874                         if (rd_noffset == -ENOLINK)
875                                 return 0;
876                         else if (rd_noffset < 0)
877                                 return 1;
878                 }
879 #endif
880
881                 /* copy from dataflash if needed */
882                 rd_addr = genimg_get_image(rd_addr);
883
884                 /*
885                  * Check if there is an initrd image at the
886                  * address provided in the second bootm argument
887                  * check image type, for FIT images get FIT node.
888                  */
889                 buf = map_sysmem(rd_addr, 0);
890                 switch (genimg_get_format(buf)) {
891                 case IMAGE_FORMAT_LEGACY:
892                         printf("## Loading init Ramdisk from Legacy "
893                                         "Image at %08lx ...\n", rd_addr);
894
895                         bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
896                         rd_hdr = image_get_ramdisk(rd_addr, arch,
897                                                         images->verify);
898
899                         if (rd_hdr == NULL)
900                                 return 1;
901
902                         rd_data = image_get_data(rd_hdr);
903                         rd_len = image_get_data_size(rd_hdr);
904                         rd_load = image_get_load(rd_hdr);
905                         break;
906 #if defined(CONFIG_FIT)
907                 case IMAGE_FORMAT_FIT:
908                         rd_noffset = fit_image_load(images, FIT_RAMDISK_PROP,
909                                         rd_addr, &fit_uname_ramdisk,
910                                         fit_uname_config, arch,
911                                         IH_TYPE_RAMDISK,
912                                         BOOTSTAGE_ID_FIT_RD_START,
913                                         FIT_LOAD_REQUIRED, &rd_data, &rd_len);
914                         if (rd_noffset < 0)
915                                 return 1;
916
917                         images->fit_hdr_rd = map_sysmem(rd_addr, 0);
918                         images->fit_uname_rd = fit_uname_ramdisk;
919                         images->fit_noffset_rd = rd_noffset;
920                         break;
921 #endif
922                 default:
923 #ifdef CONFIG_SUPPORT_RAW_INITRD
924                         end = NULL;
925                         if (select)
926                                 end = strchr(select, ':');
927                         if (end) {
928                                 rd_len = simple_strtoul(++end, NULL, 16);
929                                 rd_data = rd_addr;
930                         } else
931 #endif
932                         {
933                                 puts("Wrong Ramdisk Image Format\n");
934                                 rd_data = rd_len = rd_load = 0;
935                                 return 1;
936                         }
937                 }
938         } else if (images->legacy_hdr_valid &&
939                         image_check_type(&images->legacy_hdr_os_copy,
940                                                 IH_TYPE_MULTI)) {
941
942                 /*
943                  * Now check if we have a legacy mult-component image,
944                  * get second entry data start address and len.
945                  */
946                 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
947                 printf("## Loading init Ramdisk from multi component "
948                                 "Legacy Image at %08lx ...\n",
949                                 (ulong)images->legacy_hdr_os);
950
951                 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
952         } else {
953                 /*
954                  * no initrd image
955                  */
956                 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
957                 rd_len = rd_data = 0;
958         }
959
960         if (!rd_data) {
961                 debug("## No init Ramdisk\n");
962         } else {
963                 *rd_start = rd_data;
964                 *rd_end = rd_data + rd_len;
965         }
966         debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
967                         *rd_start, *rd_end);
968
969         return 0;
970 }
971
972 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
973 /**
974  * boot_ramdisk_high - relocate init ramdisk
975  * @lmb: pointer to lmb handle, will be used for memory mgmt
976  * @rd_data: ramdisk data start address
977  * @rd_len: ramdisk data length
978  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
979  *      start address (after possible relocation)
980  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
981  *      end address (after possible relocation)
982  *
983  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement
984  * variable and if requested ramdisk data is moved to a specified location.
985  *
986  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
987  * start/end addresses if ramdisk image start and len were provided,
988  * otherwise set initrd_start and initrd_end set to zeros.
989  *
990  * returns:
991  *      0 - success
992  *     -1 - failure
993  */
994 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
995                   ulong *initrd_start, ulong *initrd_end)
996 {
997         char    *s;
998         ulong   initrd_high;
999         int     initrd_copy_to_ram = 1;
1000
1001         if ((s = getenv("initrd_high")) != NULL) {
1002                 /* a value of "no" or a similar string will act like 0,
1003                  * turning the "load high" feature off. This is intentional.
1004                  */
1005                 initrd_high = simple_strtoul(s, NULL, 16);
1006                 if (initrd_high == ~0)
1007                         initrd_copy_to_ram = 0;
1008         } else {
1009                 /* not set, no restrictions to load high */
1010                 initrd_high = ~0;
1011         }
1012
1013
1014 #ifdef CONFIG_LOGBUFFER
1015         /* Prevent initrd from overwriting logbuffer */
1016         lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1017 #endif
1018
1019         debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1020                         initrd_high, initrd_copy_to_ram);
1021
1022         if (rd_data) {
1023                 if (!initrd_copy_to_ram) {      /* zero-copy ramdisk support */
1024                         debug("   in-place initrd\n");
1025                         *initrd_start = rd_data;
1026                         *initrd_end = rd_data + rd_len;
1027                         lmb_reserve(lmb, rd_data, rd_len);
1028                 } else {
1029                         if (initrd_high)
1030                                 *initrd_start = (ulong)lmb_alloc_base(lmb,
1031                                                 rd_len, 0x1000, initrd_high);
1032                         else
1033                                 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1034                                                                  0x1000);
1035
1036                         if (*initrd_start == 0) {
1037                                 puts("ramdisk - allocation error\n");
1038                                 goto error;
1039                         }
1040                         bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1041
1042                         *initrd_end = *initrd_start + rd_len;
1043                         printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1044                                         *initrd_start, *initrd_end);
1045
1046                         memmove_wd((void *)*initrd_start,
1047                                         (void *)rd_data, rd_len, CHUNKSZ);
1048
1049 #ifdef CONFIG_MP
1050                         /*
1051                          * Ensure the image is flushed to memory to handle
1052                          * AMP boot scenarios in which we might not be
1053                          * HW cache coherent
1054                          */
1055                         flush_cache((unsigned long)*initrd_start, rd_len);
1056 #endif
1057                         puts("OK\n");
1058                 }
1059         } else {
1060                 *initrd_start = 0;
1061                 *initrd_end = 0;
1062         }
1063         debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1064                         *initrd_start, *initrd_end);
1065
1066         return 0;
1067
1068 error:
1069         return -1;
1070 }
1071 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1072
1073 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1074 /**
1075  * boot_get_cmdline - allocate and initialize kernel cmdline
1076  * @lmb: pointer to lmb handle, will be used for memory mgmt
1077  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1078  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1079  *
1080  * boot_get_cmdline() allocates space for kernel command line below
1081  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1082  * variable is present its contents is copied to allocated kernel
1083  * command line.
1084  *
1085  * returns:
1086  *      0 - success
1087  *     -1 - failure
1088  */
1089 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1090 {
1091         char *cmdline;
1092         char *s;
1093
1094         cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1095                                 getenv_bootm_mapsize() + getenv_bootm_low());
1096
1097         if (cmdline == NULL)
1098                 return -1;
1099
1100         if ((s = getenv("bootargs")) == NULL)
1101                 s = "";
1102
1103         strcpy(cmdline, s);
1104
1105         *cmd_start = (ulong) & cmdline[0];
1106         *cmd_end = *cmd_start + strlen(cmdline);
1107
1108         debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1109
1110         return 0;
1111 }
1112 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1113
1114 #ifdef CONFIG_SYS_BOOT_GET_KBD
1115 /**
1116  * boot_get_kbd - allocate and initialize kernel copy of board info
1117  * @lmb: pointer to lmb handle, will be used for memory mgmt
1118  * @kbd: double pointer to board info data
1119  *
1120  * boot_get_kbd() allocates space for kernel copy of board info data below
1121  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1122  * with the current u-boot board info data.
1123  *
1124  * returns:
1125  *      0 - success
1126  *     -1 - failure
1127  */
1128 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1129 {
1130         *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1131                                 getenv_bootm_mapsize() + getenv_bootm_low());
1132         if (*kbd == NULL)
1133                 return -1;
1134
1135         **kbd = *(gd->bd);
1136
1137         debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1138
1139 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1140         do_bdinfo(NULL, 0, 0, NULL);
1141 #endif
1142
1143         return 0;
1144 }
1145 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1146
1147 #ifdef CONFIG_LMB
1148 int image_setup_linux(bootm_headers_t *images)
1149 {
1150         ulong of_size = images->ft_len;
1151         char **of_flat_tree = &images->ft_addr;
1152         ulong *initrd_start = &images->initrd_start;
1153         ulong *initrd_end = &images->initrd_end;
1154         struct lmb *lmb = &images->lmb;
1155         ulong rd_len;
1156         int ret;
1157
1158         if (IMAGE_ENABLE_OF_LIBFDT)
1159                 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1160
1161         if (IMAGE_BOOT_GET_CMDLINE) {
1162                 ret = boot_get_cmdline(lmb, &images->cmdline_start,
1163                                 &images->cmdline_end);
1164                 if (ret) {
1165                         puts("ERROR with allocation of cmdline\n");
1166                         return ret;
1167                 }
1168         }
1169         if (IMAGE_ENABLE_RAMDISK_HIGH) {
1170                 rd_len = images->rd_end - images->rd_start;
1171                 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1172                                 initrd_start, initrd_end);
1173                 if (ret)
1174                         return ret;
1175         }
1176
1177         if (IMAGE_ENABLE_OF_LIBFDT) {
1178                 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1179                 if (ret)
1180                         return ret;
1181         }
1182
1183         if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1184                 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1185                 if (ret)
1186                         return ret;
1187         }
1188
1189         return 0;
1190 }
1191 #endif /* CONFIG_LMB */
1192 #endif /* !USE_HOSTCC */