cmd: eeprom: add support for layout aware commands
[platform/kernel/u-boot.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  * SPDX-License-Identifier:     GPL-2.0+
8  */
9
10 #ifndef USE_HOSTCC
11 #include <common.h>
12 #include <watchdog.h>
13
14 #ifdef CONFIG_SHOW_BOOT_PROGRESS
15 #include <status_led.h>
16 #endif
17
18 #ifdef CONFIG_HAS_DATAFLASH
19 #include <dataflash.h>
20 #endif
21
22 #ifdef CONFIG_LOGBUFFER
23 #include <logbuff.h>
24 #endif
25
26 #include <rtc.h>
27
28 #include <environment.h>
29 #include <image.h>
30 #include <mapmem.h>
31
32 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
33 #include <libfdt.h>
34 #include <fdt_support.h>
35 #endif
36
37 #include <u-boot/md5.h>
38 #include <u-boot/sha1.h>
39 #include <asm/errno.h>
40 #include <asm/io.h>
41
42 #ifdef CONFIG_CMD_BDI
43 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
44 #endif
45
46 DECLARE_GLOBAL_DATA_PTR;
47
48 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
49 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
50                                                 int verify);
51 #endif
52 #else
53 #include "mkimage.h"
54 #include <u-boot/md5.h>
55 #include <time.h>
56 #include <image.h>
57
58 #ifndef __maybe_unused
59 # define __maybe_unused         /* unimplemented */
60 #endif
61 #endif /* !USE_HOSTCC*/
62
63 #include <u-boot/crc.h>
64
65 #ifndef CONFIG_SYS_BARGSIZE
66 #define CONFIG_SYS_BARGSIZE 512
67 #endif
68
69 static const table_entry_t uimage_arch[] = {
70         {       IH_ARCH_INVALID,        NULL,           "Invalid ARCH", },
71         {       IH_ARCH_ALPHA,          "alpha",        "Alpha",        },
72         {       IH_ARCH_ARM,            "arm",          "ARM",          },
73         {       IH_ARCH_I386,           "x86",          "Intel x86",    },
74         {       IH_ARCH_IA64,           "ia64",         "IA64",         },
75         {       IH_ARCH_M68K,           "m68k",         "M68K",         },
76         {       IH_ARCH_MICROBLAZE,     "microblaze",   "MicroBlaze",   },
77         {       IH_ARCH_MIPS,           "mips",         "MIPS",         },
78         {       IH_ARCH_MIPS64,         "mips64",       "MIPS 64 Bit",  },
79         {       IH_ARCH_NIOS2,          "nios2",        "NIOS II",      },
80         {       IH_ARCH_PPC,            "powerpc",      "PowerPC",      },
81         {       IH_ARCH_PPC,            "ppc",          "PowerPC",      },
82         {       IH_ARCH_S390,           "s390",         "IBM S390",     },
83         {       IH_ARCH_SH,             "sh",           "SuperH",       },
84         {       IH_ARCH_SPARC,          "sparc",        "SPARC",        },
85         {       IH_ARCH_SPARC64,        "sparc64",      "SPARC 64 Bit", },
86         {       IH_ARCH_BLACKFIN,       "blackfin",     "Blackfin",     },
87         {       IH_ARCH_AVR32,          "avr32",        "AVR32",        },
88         {       IH_ARCH_NDS32,          "nds32",        "NDS32",        },
89         {       IH_ARCH_OPENRISC,       "or1k",         "OpenRISC 1000",},
90         {       IH_ARCH_SANDBOX,        "sandbox",      "Sandbox",      },
91         {       IH_ARCH_ARM64,          "arm64",        "AArch64",      },
92         {       IH_ARCH_ARC,            "arc",          "ARC",          },
93         {       IH_ARCH_X86_64,         "x86_64",       "AMD x86_64",   },
94         {       -1,                     "",             "",             },
95 };
96
97 static const table_entry_t uimage_os[] = {
98         {       IH_OS_INVALID,  NULL,           "Invalid OS",           },
99         {       IH_OS_LINUX,    "linux",        "Linux",                },
100 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
101         {       IH_OS_LYNXOS,   "lynxos",       "LynxOS",               },
102 #endif
103         {       IH_OS_NETBSD,   "netbsd",       "NetBSD",               },
104         {       IH_OS_OSE,      "ose",          "Enea OSE",             },
105         {       IH_OS_PLAN9,    "plan9",        "Plan 9",               },
106         {       IH_OS_RTEMS,    "rtems",        "RTEMS",                },
107         {       IH_OS_U_BOOT,   "u-boot",       "U-Boot",               },
108         {       IH_OS_VXWORKS,  "vxworks",      "VxWorks",              },
109 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
110         {       IH_OS_QNX,      "qnx",          "QNX",                  },
111 #endif
112 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
113         {       IH_OS_INTEGRITY,"integrity",    "INTEGRITY",            },
114 #endif
115 #ifdef USE_HOSTCC
116         {       IH_OS_4_4BSD,   "4_4bsd",       "4_4BSD",               },
117         {       IH_OS_DELL,     "dell",         "Dell",                 },
118         {       IH_OS_ESIX,     "esix",         "Esix",                 },
119         {       IH_OS_FREEBSD,  "freebsd",      "FreeBSD",              },
120         {       IH_OS_IRIX,     "irix",         "Irix",                 },
121         {       IH_OS_NCR,      "ncr",          "NCR",                  },
122         {       IH_OS_OPENBSD,  "openbsd",      "OpenBSD",              },
123         {       IH_OS_PSOS,     "psos",         "pSOS",                 },
124         {       IH_OS_SCO,      "sco",          "SCO",                  },
125         {       IH_OS_SOLARIS,  "solaris",      "Solaris",              },
126         {       IH_OS_SVR4,     "svr4",         "SVR4",                 },
127 #endif
128 #if defined(CONFIG_BOOTM_OPENRTOS) || defined(USE_HOSTCC)
129         {       IH_OS_OPENRTOS, "openrtos",     "OpenRTOS",             },
130 #endif
131
132         {       -1,             "",             "",                     },
133 };
134
135 static const table_entry_t uimage_type[] = {
136         {       IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
137         {       IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",   },
138         {       IH_TYPE_FIRMWARE,   "firmware",   "Firmware",           },
139         {       IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",   },
140         {       IH_TYPE_GPIMAGE,    "gpimage",    "TI Keystone SPL Image",},
141         {       IH_TYPE_KERNEL,     "kernel",     "Kernel Image",       },
142         {       IH_TYPE_KERNEL_NOLOAD, "kernel_noload",  "Kernel Image (no loading done)", },
143         {       IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
144         {       IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
145         {       IH_TYPE_INVALID,    NULL,         "Invalid Image",      },
146         {       IH_TYPE_MULTI,      "multi",      "Multi-File Image",   },
147         {       IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
148         {       IH_TYPE_PBLIMAGE,   "pblimage",   "Freescale PBL Boot Image",},
149         {       IH_TYPE_RAMDISK,    "ramdisk",    "RAMDisk Image",      },
150         {       IH_TYPE_SCRIPT,     "script",     "Script",             },
151         {       IH_TYPE_SOCFPGAIMAGE, "socfpgaimage", "Altera SOCFPGA preloader",},
152         {       IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
153         {       IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
154         {       IH_TYPE_MXSIMAGE,   "mxsimage",   "Freescale MXS Boot Image",},
155         {       IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",},
156         {       IH_TYPE_X86_SETUP,  "x86_setup",  "x86 setup.bin",    },
157         {       IH_TYPE_LPC32XXIMAGE, "lpc32xximage",  "LPC32XX Boot Image", },
158         {       IH_TYPE_RKIMAGE,    "rkimage",    "Rockchip Boot Image" },
159         {       IH_TYPE_RKSD,       "rksd",       "Rockchip SD Boot Image" },
160         {       IH_TYPE_RKSPI,      "rkspi",      "Rockchip SPI Boot Image" },
161         {       IH_TYPE_ZYNQIMAGE,  "zynqimage",  "Xilinx Zynq Boot Image" },
162         {       -1,                 "",           "",                   },
163 };
164
165 static const table_entry_t uimage_comp[] = {
166         {       IH_COMP_NONE,   "none",         "uncompressed",         },
167         {       IH_COMP_BZIP2,  "bzip2",        "bzip2 compressed",     },
168         {       IH_COMP_GZIP,   "gzip",         "gzip compressed",      },
169         {       IH_COMP_LZMA,   "lzma",         "lzma compressed",      },
170         {       IH_COMP_LZO,    "lzo",          "lzo compressed",       },
171         {       IH_COMP_LZ4,    "lz4",          "lz4 compressed",       },
172         {       -1,             "",             "",                     },
173 };
174
175 /*****************************************************************************/
176 /* Legacy format routines */
177 /*****************************************************************************/
178 int image_check_hcrc(const image_header_t *hdr)
179 {
180         ulong hcrc;
181         ulong len = image_get_header_size();
182         image_header_t header;
183
184         /* Copy header so we can blank CRC field for re-calculation */
185         memmove(&header, (char *)hdr, image_get_header_size());
186         image_set_hcrc(&header, 0);
187
188         hcrc = crc32(0, (unsigned char *)&header, len);
189
190         return (hcrc == image_get_hcrc(hdr));
191 }
192
193 int image_check_dcrc(const image_header_t *hdr)
194 {
195         ulong data = image_get_data(hdr);
196         ulong len = image_get_data_size(hdr);
197         ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
198
199         return (dcrc == image_get_dcrc(hdr));
200 }
201
202 /**
203  * image_multi_count - get component (sub-image) count
204  * @hdr: pointer to the header of the multi component image
205  *
206  * image_multi_count() returns number of components in a multi
207  * component image.
208  *
209  * Note: no checking of the image type is done, caller must pass
210  * a valid multi component image.
211  *
212  * returns:
213  *     number of components
214  */
215 ulong image_multi_count(const image_header_t *hdr)
216 {
217         ulong i, count = 0;
218         uint32_t *size;
219
220         /* get start of the image payload, which in case of multi
221          * component images that points to a table of component sizes */
222         size = (uint32_t *)image_get_data(hdr);
223
224         /* count non empty slots */
225         for (i = 0; size[i]; ++i)
226                 count++;
227
228         return count;
229 }
230
231 /**
232  * image_multi_getimg - get component data address and size
233  * @hdr: pointer to the header of the multi component image
234  * @idx: index of the requested component
235  * @data: pointer to a ulong variable, will hold component data address
236  * @len: pointer to a ulong variable, will hold component size
237  *
238  * image_multi_getimg() returns size and data address for the requested
239  * component in a multi component image.
240  *
241  * Note: no checking of the image type is done, caller must pass
242  * a valid multi component image.
243  *
244  * returns:
245  *     data address and size of the component, if idx is valid
246  *     0 in data and len, if idx is out of range
247  */
248 void image_multi_getimg(const image_header_t *hdr, ulong idx,
249                         ulong *data, ulong *len)
250 {
251         int i;
252         uint32_t *size;
253         ulong offset, count, img_data;
254
255         /* get number of component */
256         count = image_multi_count(hdr);
257
258         /* get start of the image payload, which in case of multi
259          * component images that points to a table of component sizes */
260         size = (uint32_t *)image_get_data(hdr);
261
262         /* get address of the proper component data start, which means
263          * skipping sizes table (add 1 for last, null entry) */
264         img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
265
266         if (idx < count) {
267                 *len = uimage_to_cpu(size[idx]);
268                 offset = 0;
269
270                 /* go over all indices preceding requested component idx */
271                 for (i = 0; i < idx; i++) {
272                         /* add up i-th component size, rounding up to 4 bytes */
273                         offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
274                 }
275
276                 /* calculate idx-th component data address */
277                 *data = img_data + offset;
278         } else {
279                 *len = 0;
280                 *data = 0;
281         }
282 }
283
284 static void image_print_type(const image_header_t *hdr)
285 {
286         const char __maybe_unused *os, *arch, *type, *comp;
287
288         os = genimg_get_os_name(image_get_os(hdr));
289         arch = genimg_get_arch_name(image_get_arch(hdr));
290         type = genimg_get_type_name(image_get_type(hdr));
291         comp = genimg_get_comp_name(image_get_comp(hdr));
292
293         printf("%s %s %s (%s)\n", arch, os, type, comp);
294 }
295
296 /**
297  * image_print_contents - prints out the contents of the legacy format image
298  * @ptr: pointer to the legacy format image header
299  * @p: pointer to prefix string
300  *
301  * image_print_contents() formats a multi line legacy image contents description.
302  * The routine prints out all header fields followed by the size/offset data
303  * for MULTI/SCRIPT images.
304  *
305  * returns:
306  *     no returned results
307  */
308 void image_print_contents(const void *ptr)
309 {
310         const image_header_t *hdr = (const image_header_t *)ptr;
311         const char __maybe_unused *p;
312
313         p = IMAGE_INDENT_STRING;
314         printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
315         if (IMAGE_ENABLE_TIMESTAMP) {
316                 printf("%sCreated:      ", p);
317                 genimg_print_time((time_t)image_get_time(hdr));
318         }
319         printf("%sImage Type:   ", p);
320         image_print_type(hdr);
321         printf("%sData Size:    ", p);
322         genimg_print_size(image_get_data_size(hdr));
323         printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
324         printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
325
326         if (image_check_type(hdr, IH_TYPE_MULTI) ||
327                         image_check_type(hdr, IH_TYPE_SCRIPT)) {
328                 int i;
329                 ulong data, len;
330                 ulong count = image_multi_count(hdr);
331
332                 printf("%sContents:\n", p);
333                 for (i = 0; i < count; i++) {
334                         image_multi_getimg(hdr, i, &data, &len);
335
336                         printf("%s   Image %d: ", p, i);
337                         genimg_print_size(len);
338
339                         if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
340                                 /*
341                                  * the user may need to know offsets
342                                  * if planning to do something with
343                                  * multiple files
344                                  */
345                                 printf("%s    Offset = 0x%08lx\n", p, data);
346                         }
347                 }
348         }
349 }
350
351
352 #ifndef USE_HOSTCC
353 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
354 /**
355  * image_get_ramdisk - get and verify ramdisk image
356  * @rd_addr: ramdisk image start address
357  * @arch: expected ramdisk architecture
358  * @verify: checksum verification flag
359  *
360  * image_get_ramdisk() returns a pointer to the verified ramdisk image
361  * header. Routine receives image start address and expected architecture
362  * flag. Verification done covers data and header integrity and os/type/arch
363  * fields checking.
364  *
365  * If dataflash support is enabled routine checks for dataflash addresses
366  * and handles required dataflash reads.
367  *
368  * returns:
369  *     pointer to a ramdisk image header, if image was found and valid
370  *     otherwise, return NULL
371  */
372 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
373                                                 int verify)
374 {
375         const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
376
377         if (!image_check_magic(rd_hdr)) {
378                 puts("Bad Magic Number\n");
379                 bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
380                 return NULL;
381         }
382
383         if (!image_check_hcrc(rd_hdr)) {
384                 puts("Bad Header Checksum\n");
385                 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
386                 return NULL;
387         }
388
389         bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
390         image_print_contents(rd_hdr);
391
392         if (verify) {
393                 puts("   Verifying Checksum ... ");
394                 if (!image_check_dcrc(rd_hdr)) {
395                         puts("Bad Data CRC\n");
396                         bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
397                         return NULL;
398                 }
399                 puts("OK\n");
400         }
401
402         bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
403
404         if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
405             !image_check_arch(rd_hdr, arch) ||
406             !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
407                 printf("No Linux %s Ramdisk Image\n",
408                                 genimg_get_arch_name(arch));
409                 bootstage_error(BOOTSTAGE_ID_RAMDISK);
410                 return NULL;
411         }
412
413         return rd_hdr;
414 }
415 #endif
416 #endif /* !USE_HOSTCC */
417
418 /*****************************************************************************/
419 /* Shared dual-format routines */
420 /*****************************************************************************/
421 #ifndef USE_HOSTCC
422 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
423 ulong save_addr;                        /* Default Save Address */
424 ulong save_size;                        /* Default Save Size (in bytes) */
425
426 static int on_loadaddr(const char *name, const char *value, enum env_op op,
427         int flags)
428 {
429         switch (op) {
430         case env_op_create:
431         case env_op_overwrite:
432                 load_addr = simple_strtoul(value, NULL, 16);
433                 break;
434         default:
435                 break;
436         }
437
438         return 0;
439 }
440 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
441
442 ulong getenv_bootm_low(void)
443 {
444         char *s = getenv("bootm_low");
445         if (s) {
446                 ulong tmp = simple_strtoul(s, NULL, 16);
447                 return tmp;
448         }
449
450 #if defined(CONFIG_SYS_SDRAM_BASE)
451         return CONFIG_SYS_SDRAM_BASE;
452 #elif defined(CONFIG_ARM)
453         return gd->bd->bi_dram[0].start;
454 #else
455         return 0;
456 #endif
457 }
458
459 phys_size_t getenv_bootm_size(void)
460 {
461         phys_size_t tmp, size;
462         phys_addr_t start;
463         char *s = getenv("bootm_size");
464         if (s) {
465                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
466                 return tmp;
467         }
468
469 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
470         start = gd->bd->bi_dram[0].start;
471         size = gd->bd->bi_dram[0].size;
472 #else
473         start = gd->bd->bi_memstart;
474         size = gd->bd->bi_memsize;
475 #endif
476
477         s = getenv("bootm_low");
478         if (s)
479                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
480         else
481                 tmp = start;
482
483         return size - (tmp - start);
484 }
485
486 phys_size_t getenv_bootm_mapsize(void)
487 {
488         phys_size_t tmp;
489         char *s = getenv("bootm_mapsize");
490         if (s) {
491                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
492                 return tmp;
493         }
494
495 #if defined(CONFIG_SYS_BOOTMAPSZ)
496         return CONFIG_SYS_BOOTMAPSZ;
497 #else
498         return getenv_bootm_size();
499 #endif
500 }
501
502 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
503 {
504         if (to == from)
505                 return;
506
507 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
508         if (to > from) {
509                 from += len;
510                 to += len;
511         }
512         while (len > 0) {
513                 size_t tail = (len > chunksz) ? chunksz : len;
514                 WATCHDOG_RESET();
515                 if (to > from) {
516                         to -= tail;
517                         from -= tail;
518                 }
519                 memmove(to, from, tail);
520                 if (to < from) {
521                         to += tail;
522                         from += tail;
523                 }
524                 len -= tail;
525         }
526 #else   /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
527         memmove(to, from, len);
528 #endif  /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
529 }
530 #endif /* !USE_HOSTCC */
531
532 void genimg_print_size(uint32_t size)
533 {
534 #ifndef USE_HOSTCC
535         printf("%d Bytes = ", size);
536         print_size(size, "\n");
537 #else
538         printf("%d Bytes = %.2f kB = %.2f MB\n",
539                         size, (double)size / 1.024e3,
540                         (double)size / 1.048576e6);
541 #endif
542 }
543
544 #if IMAGE_ENABLE_TIMESTAMP
545 void genimg_print_time(time_t timestamp)
546 {
547 #ifndef USE_HOSTCC
548         struct rtc_time tm;
549
550         rtc_to_tm(timestamp, &tm);
551         printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
552                         tm.tm_year, tm.tm_mon, tm.tm_mday,
553                         tm.tm_hour, tm.tm_min, tm.tm_sec);
554 #else
555         printf("%s", ctime(&timestamp));
556 #endif
557 }
558 #endif
559
560 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
561 {
562         for (; table->id >= 0; ++table) {
563                 if (table->id == id)
564                         return table;
565         }
566         return NULL;
567 }
568
569 /**
570  * get_table_entry_name - translate entry id to long name
571  * @table: pointer to a translation table for entries of a specific type
572  * @msg: message to be returned when translation fails
573  * @id: entry id to be translated
574  *
575  * get_table_entry_name() will go over translation table trying to find
576  * entry that matches given id. If matching entry is found, its long
577  * name is returned to the caller.
578  *
579  * returns:
580  *     long entry name if translation succeeds
581  *     msg otherwise
582  */
583 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
584 {
585         table = get_table_entry(table, id);
586         if (!table)
587                 return msg;
588 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
589         return table->lname;
590 #else
591         return table->lname + gd->reloc_off;
592 #endif
593 }
594
595 const char *genimg_get_os_name(uint8_t os)
596 {
597         return (get_table_entry_name(uimage_os, "Unknown OS", os));
598 }
599
600 const char *genimg_get_arch_name(uint8_t arch)
601 {
602         return (get_table_entry_name(uimage_arch, "Unknown Architecture",
603                                         arch));
604 }
605
606 const char *genimg_get_type_name(uint8_t type)
607 {
608         return (get_table_entry_name(uimage_type, "Unknown Image", type));
609 }
610
611 static const char *genimg_get_short_name(const table_entry_t *table, int val)
612 {
613         table = get_table_entry(table, val);
614         if (!table)
615                 return "unknown";
616 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
617         return table->sname;
618 #else
619         return table->sname + gd->reloc_off;
620 #endif
621 }
622
623 const char *genimg_get_type_short_name(uint8_t type)
624 {
625         return genimg_get_short_name(uimage_type, type);
626 }
627
628 const char *genimg_get_comp_name(uint8_t comp)
629 {
630         return (get_table_entry_name(uimage_comp, "Unknown Compression",
631                                         comp));
632 }
633
634 const char *genimg_get_comp_short_name(uint8_t comp)
635 {
636         return genimg_get_short_name(uimage_comp, comp);
637 }
638
639 const char *genimg_get_os_short_name(uint8_t os)
640 {
641         return genimg_get_short_name(uimage_os, os);
642 }
643
644 const char *genimg_get_arch_short_name(uint8_t arch)
645 {
646         return genimg_get_short_name(uimage_arch, arch);
647 }
648
649 /**
650  * get_table_entry_id - translate short entry name to id
651  * @table: pointer to a translation table for entries of a specific type
652  * @table_name: to be used in case of error
653  * @name: entry short name to be translated
654  *
655  * get_table_entry_id() will go over translation table trying to find
656  * entry that matches given short name. If matching entry is found,
657  * its id returned to the caller.
658  *
659  * returns:
660  *     entry id if translation succeeds
661  *     -1 otherwise
662  */
663 int get_table_entry_id(const table_entry_t *table,
664                 const char *table_name, const char *name)
665 {
666         const table_entry_t *t;
667
668         for (t = table; t->id >= 0; ++t) {
669 #ifdef CONFIG_NEEDS_MANUAL_RELOC
670                 if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
671 #else
672                 if (t->sname && strcasecmp(t->sname, name) == 0)
673 #endif
674                         return (t->id);
675         }
676         debug("Invalid %s Type: %s\n", table_name, name);
677
678         return -1;
679 }
680
681 int genimg_get_os_id(const char *name)
682 {
683         return (get_table_entry_id(uimage_os, "OS", name));
684 }
685
686 int genimg_get_arch_id(const char *name)
687 {
688         return (get_table_entry_id(uimage_arch, "CPU", name));
689 }
690
691 int genimg_get_type_id(const char *name)
692 {
693         return (get_table_entry_id(uimage_type, "Image", name));
694 }
695
696 int genimg_get_comp_id(const char *name)
697 {
698         return (get_table_entry_id(uimage_comp, "Compression", name));
699 }
700
701 #ifndef USE_HOSTCC
702 /**
703  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
704  *                              FIT strings
705  * @img_addr: a string might contain real image address
706  * @fit_uname_config: double pointer to a char, will hold pointer to a
707  *                    configuration unit name
708  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
709  *                    name
710  *
711  * genimg_get_kernel_addr_fit get the real kernel start address from a string
712  * which is normally the first argv of bootm/bootz
713  *
714  * returns:
715  *     kernel start address
716  */
717 ulong genimg_get_kernel_addr_fit(char * const img_addr,
718                              const char **fit_uname_config,
719                              const char **fit_uname_kernel)
720 {
721         ulong kernel_addr;
722
723         /* find out kernel image address */
724         if (!img_addr) {
725                 kernel_addr = load_addr;
726                 debug("*  kernel: default image load address = 0x%08lx\n",
727                       load_addr);
728 #if CONFIG_IS_ENABLED(FIT)
729         } else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
730                                   fit_uname_config)) {
731                 debug("*  kernel: config '%s' from image at 0x%08lx\n",
732                       *fit_uname_config, kernel_addr);
733         } else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
734                                      fit_uname_kernel)) {
735                 debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
736                       *fit_uname_kernel, kernel_addr);
737 #endif
738         } else {
739                 kernel_addr = simple_strtoul(img_addr, NULL, 16);
740                 debug("*  kernel: cmdline image address = 0x%08lx\n",
741                       kernel_addr);
742         }
743
744         return kernel_addr;
745 }
746
747 /**
748  * genimg_get_kernel_addr() is the simple version of
749  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
750  */
751 ulong genimg_get_kernel_addr(char * const img_addr)
752 {
753         const char *fit_uname_config = NULL;
754         const char *fit_uname_kernel = NULL;
755
756         return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
757                                           &fit_uname_kernel);
758 }
759
760 /**
761  * genimg_get_format - get image format type
762  * @img_addr: image start address
763  *
764  * genimg_get_format() checks whether provided address points to a valid
765  * legacy or FIT image.
766  *
767  * New uImage format and FDT blob are based on a libfdt. FDT blob
768  * may be passed directly or embedded in a FIT image. In both situations
769  * genimg_get_format() must be able to dectect libfdt header.
770  *
771  * returns:
772  *     image format type or IMAGE_FORMAT_INVALID if no image is present
773  */
774 int genimg_get_format(const void *img_addr)
775 {
776 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
777         const image_header_t *hdr;
778
779         hdr = (const image_header_t *)img_addr;
780         if (image_check_magic(hdr))
781                 return IMAGE_FORMAT_LEGACY;
782 #endif
783 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
784         if (fdt_check_header(img_addr) == 0)
785                 return IMAGE_FORMAT_FIT;
786 #endif
787 #ifdef CONFIG_ANDROID_BOOT_IMAGE
788         if (android_image_check_header(img_addr) == 0)
789                 return IMAGE_FORMAT_ANDROID;
790 #endif
791
792         return IMAGE_FORMAT_INVALID;
793 }
794
795 /**
796  * genimg_get_image - get image from special storage (if necessary)
797  * @img_addr: image start address
798  *
799  * genimg_get_image() checks if provided image start address is located
800  * in a dataflash storage. If so, image is moved to a system RAM memory.
801  *
802  * returns:
803  *     image start address after possible relocation from special storage
804  */
805 ulong genimg_get_image(ulong img_addr)
806 {
807         ulong ram_addr = img_addr;
808
809 #ifdef CONFIG_HAS_DATAFLASH
810         ulong h_size, d_size;
811
812         if (addr_dataflash(img_addr)) {
813                 void *buf;
814
815                 /* ger RAM address */
816                 ram_addr = CONFIG_SYS_LOAD_ADDR;
817
818                 /* get header size */
819                 h_size = image_get_header_size();
820 #if IMAGE_ENABLE_FIT
821                 if (sizeof(struct fdt_header) > h_size)
822                         h_size = sizeof(struct fdt_header);
823 #endif
824
825                 /* read in header */
826                 debug("   Reading image header from dataflash address "
827                         "%08lx to RAM address %08lx\n", img_addr, ram_addr);
828
829                 buf = map_sysmem(ram_addr, 0);
830                 read_dataflash(img_addr, h_size, buf);
831
832                 /* get data size */
833                 switch (genimg_get_format(buf)) {
834 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
835                 case IMAGE_FORMAT_LEGACY:
836                         d_size = image_get_data_size(buf);
837                         debug("   Legacy format image found at 0x%08lx, "
838                                         "size 0x%08lx\n",
839                                         ram_addr, d_size);
840                         break;
841 #endif
842 #if IMAGE_ENABLE_FIT
843                 case IMAGE_FORMAT_FIT:
844                         d_size = fit_get_size(buf) - h_size;
845                         debug("   FIT/FDT format image found at 0x%08lx, "
846                                         "size 0x%08lx\n",
847                                         ram_addr, d_size);
848                         break;
849 #endif
850                 default:
851                         printf("   No valid image found at 0x%08lx\n",
852                                 img_addr);
853                         return ram_addr;
854                 }
855
856                 /* read in image data */
857                 debug("   Reading image remaining data from dataflash address "
858                         "%08lx to RAM address %08lx\n", img_addr + h_size,
859                         ram_addr + h_size);
860
861                 read_dataflash(img_addr + h_size, d_size,
862                                 (char *)(buf + h_size));
863
864         }
865 #endif /* CONFIG_HAS_DATAFLASH */
866
867         return ram_addr;
868 }
869
870 /**
871  * fit_has_config - check if there is a valid FIT configuration
872  * @images: pointer to the bootm command headers structure
873  *
874  * fit_has_config() checks if there is a FIT configuration in use
875  * (if FTI support is present).
876  *
877  * returns:
878  *     0, no FIT support or no configuration found
879  *     1, configuration found
880  */
881 int genimg_has_config(bootm_headers_t *images)
882 {
883 #if IMAGE_ENABLE_FIT
884         if (images->fit_uname_cfg)
885                 return 1;
886 #endif
887         return 0;
888 }
889
890 /**
891  * boot_get_ramdisk - main ramdisk handling routine
892  * @argc: command argument count
893  * @argv: command argument list
894  * @images: pointer to the bootm images structure
895  * @arch: expected ramdisk architecture
896  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
897  * @rd_end: pointer to a ulong variable, will hold ramdisk end
898  *
899  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
900  * Curently supported are the following ramdisk sources:
901  *      - multicomponent kernel/ramdisk image,
902  *      - commandline provided address of decicated ramdisk image.
903  *
904  * returns:
905  *     0, if ramdisk image was found and valid, or skiped
906  *     rd_start and rd_end are set to ramdisk start/end addresses if
907  *     ramdisk image is found and valid
908  *
909  *     1, if ramdisk image is found but corrupted, or invalid
910  *     rd_start and rd_end are set to 0 if no ramdisk exists
911  */
912 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
913                 uint8_t arch, ulong *rd_start, ulong *rd_end)
914 {
915         ulong rd_addr, rd_load;
916         ulong rd_data, rd_len;
917 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
918         const image_header_t *rd_hdr;
919 #endif
920         void *buf;
921 #ifdef CONFIG_SUPPORT_RAW_INITRD
922         char *end;
923 #endif
924 #if IMAGE_ENABLE_FIT
925         const char      *fit_uname_config = images->fit_uname_cfg;
926         const char      *fit_uname_ramdisk = NULL;
927         ulong           default_addr;
928         int             rd_noffset;
929 #endif
930         const char *select = NULL;
931
932         *rd_start = 0;
933         *rd_end = 0;
934
935 #ifdef CONFIG_ANDROID_BOOT_IMAGE
936         /*
937          * Look for an Android boot image.
938          */
939         buf = map_sysmem(images->os.start, 0);
940         if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
941                 select = argv[0];
942 #endif
943
944         if (argc >= 2)
945                 select = argv[1];
946
947         /*
948          * Look for a '-' which indicates to ignore the
949          * ramdisk argument
950          */
951         if (select && strcmp(select, "-") ==  0) {
952                 debug("## Skipping init Ramdisk\n");
953                 rd_len = rd_data = 0;
954         } else if (select || genimg_has_config(images)) {
955 #if IMAGE_ENABLE_FIT
956                 if (select) {
957                         /*
958                          * If the init ramdisk comes from the FIT image and
959                          * the FIT image address is omitted in the command
960                          * line argument, try to use os FIT image address or
961                          * default load address.
962                          */
963                         if (images->fit_uname_os)
964                                 default_addr = (ulong)images->fit_hdr_os;
965                         else
966                                 default_addr = load_addr;
967
968                         if (fit_parse_conf(select, default_addr,
969                                            &rd_addr, &fit_uname_config)) {
970                                 debug("*  ramdisk: config '%s' from image at "
971                                                 "0x%08lx\n",
972                                                 fit_uname_config, rd_addr);
973                         } else if (fit_parse_subimage(select, default_addr,
974                                                 &rd_addr, &fit_uname_ramdisk)) {
975                                 debug("*  ramdisk: subimage '%s' from image at "
976                                                 "0x%08lx\n",
977                                                 fit_uname_ramdisk, rd_addr);
978                         } else
979 #endif
980                         {
981                                 rd_addr = simple_strtoul(select, NULL, 16);
982                                 debug("*  ramdisk: cmdline image address = "
983                                                 "0x%08lx\n",
984                                                 rd_addr);
985                         }
986 #if IMAGE_ENABLE_FIT
987                 } else {
988                         /* use FIT configuration provided in first bootm
989                          * command argument. If the property is not defined,
990                          * quit silently.
991                          */
992                         rd_addr = map_to_sysmem(images->fit_hdr_os);
993                         rd_noffset = fit_get_node_from_config(images,
994                                         FIT_RAMDISK_PROP, rd_addr);
995                         if (rd_noffset == -ENOLINK)
996                                 return 0;
997                         else if (rd_noffset < 0)
998                                 return 1;
999                 }
1000 #endif
1001
1002                 /* copy from dataflash if needed */
1003                 rd_addr = genimg_get_image(rd_addr);
1004
1005                 /*
1006                  * Check if there is an initrd image at the
1007                  * address provided in the second bootm argument
1008                  * check image type, for FIT images get FIT node.
1009                  */
1010                 buf = map_sysmem(rd_addr, 0);
1011                 switch (genimg_get_format(buf)) {
1012 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
1013                 case IMAGE_FORMAT_LEGACY:
1014                         printf("## Loading init Ramdisk from Legacy "
1015                                         "Image at %08lx ...\n", rd_addr);
1016
1017                         bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
1018                         rd_hdr = image_get_ramdisk(rd_addr, arch,
1019                                                         images->verify);
1020
1021                         if (rd_hdr == NULL)
1022                                 return 1;
1023
1024                         rd_data = image_get_data(rd_hdr);
1025                         rd_len = image_get_data_size(rd_hdr);
1026                         rd_load = image_get_load(rd_hdr);
1027                         break;
1028 #endif
1029 #if IMAGE_ENABLE_FIT
1030                 case IMAGE_FORMAT_FIT:
1031                         rd_noffset = fit_image_load(images,
1032                                         rd_addr, &fit_uname_ramdisk,
1033                                         &fit_uname_config, arch,
1034                                         IH_TYPE_RAMDISK,
1035                                         BOOTSTAGE_ID_FIT_RD_START,
1036                                         FIT_LOAD_OPTIONAL_NON_ZERO,
1037                                         &rd_data, &rd_len);
1038                         if (rd_noffset < 0)
1039                                 return 1;
1040
1041                         images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1042                         images->fit_uname_rd = fit_uname_ramdisk;
1043                         images->fit_noffset_rd = rd_noffset;
1044                         break;
1045 #endif
1046 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1047                 case IMAGE_FORMAT_ANDROID:
1048                         android_image_get_ramdisk((void *)images->os.start,
1049                                 &rd_data, &rd_len);
1050                         break;
1051 #endif
1052                 default:
1053 #ifdef CONFIG_SUPPORT_RAW_INITRD
1054                         end = NULL;
1055                         if (select)
1056                                 end = strchr(select, ':');
1057                         if (end) {
1058                                 rd_len = simple_strtoul(++end, NULL, 16);
1059                                 rd_data = rd_addr;
1060                         } else
1061 #endif
1062                         {
1063                                 puts("Wrong Ramdisk Image Format\n");
1064                                 rd_data = rd_len = rd_load = 0;
1065                                 return 1;
1066                         }
1067                 }
1068         } else if (images->legacy_hdr_valid &&
1069                         image_check_type(&images->legacy_hdr_os_copy,
1070                                                 IH_TYPE_MULTI)) {
1071
1072                 /*
1073                  * Now check if we have a legacy mult-component image,
1074                  * get second entry data start address and len.
1075                  */
1076                 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1077                 printf("## Loading init Ramdisk from multi component "
1078                                 "Legacy Image at %08lx ...\n",
1079                                 (ulong)images->legacy_hdr_os);
1080
1081                 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1082         } else {
1083                 /*
1084                  * no initrd image
1085                  */
1086                 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1087                 rd_len = rd_data = 0;
1088         }
1089
1090         if (!rd_data) {
1091                 debug("## No init Ramdisk\n");
1092         } else {
1093                 *rd_start = rd_data;
1094                 *rd_end = rd_data + rd_len;
1095         }
1096         debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1097                         *rd_start, *rd_end);
1098
1099         return 0;
1100 }
1101
1102 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1103 /**
1104  * boot_ramdisk_high - relocate init ramdisk
1105  * @lmb: pointer to lmb handle, will be used for memory mgmt
1106  * @rd_data: ramdisk data start address
1107  * @rd_len: ramdisk data length
1108  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1109  *      start address (after possible relocation)
1110  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1111  *      end address (after possible relocation)
1112  *
1113  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1114  * variable and if requested ramdisk data is moved to a specified location.
1115  *
1116  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1117  * start/end addresses if ramdisk image start and len were provided,
1118  * otherwise set initrd_start and initrd_end set to zeros.
1119  *
1120  * returns:
1121  *      0 - success
1122  *     -1 - failure
1123  */
1124 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1125                   ulong *initrd_start, ulong *initrd_end)
1126 {
1127         char    *s;
1128         ulong   initrd_high;
1129         int     initrd_copy_to_ram = 1;
1130
1131         if ((s = getenv("initrd_high")) != NULL) {
1132                 /* a value of "no" or a similar string will act like 0,
1133                  * turning the "load high" feature off. This is intentional.
1134                  */
1135                 initrd_high = simple_strtoul(s, NULL, 16);
1136                 if (initrd_high == ~0)
1137                         initrd_copy_to_ram = 0;
1138         } else {
1139                 initrd_high = getenv_bootm_mapsize() + getenv_bootm_low();
1140         }
1141
1142
1143 #ifdef CONFIG_LOGBUFFER
1144         /* Prevent initrd from overwriting logbuffer */
1145         lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1146 #endif
1147
1148         debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1149                         initrd_high, initrd_copy_to_ram);
1150
1151         if (rd_data) {
1152                 if (!initrd_copy_to_ram) {      /* zero-copy ramdisk support */
1153                         debug("   in-place initrd\n");
1154                         *initrd_start = rd_data;
1155                         *initrd_end = rd_data + rd_len;
1156                         lmb_reserve(lmb, rd_data, rd_len);
1157                 } else {
1158                         if (initrd_high)
1159                                 *initrd_start = (ulong)lmb_alloc_base(lmb,
1160                                                 rd_len, 0x1000, initrd_high);
1161                         else
1162                                 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1163                                                                  0x1000);
1164
1165                         if (*initrd_start == 0) {
1166                                 puts("ramdisk - allocation error\n");
1167                                 goto error;
1168                         }
1169                         bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1170
1171                         *initrd_end = *initrd_start + rd_len;
1172                         printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1173                                         *initrd_start, *initrd_end);
1174
1175                         memmove_wd((void *)*initrd_start,
1176                                         (void *)rd_data, rd_len, CHUNKSZ);
1177
1178 #ifdef CONFIG_MP
1179                         /*
1180                          * Ensure the image is flushed to memory to handle
1181                          * AMP boot scenarios in which we might not be
1182                          * HW cache coherent
1183                          */
1184                         flush_cache((unsigned long)*initrd_start, rd_len);
1185 #endif
1186                         puts("OK\n");
1187                 }
1188         } else {
1189                 *initrd_start = 0;
1190                 *initrd_end = 0;
1191         }
1192         debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1193                         *initrd_start, *initrd_end);
1194
1195         return 0;
1196
1197 error:
1198         return -1;
1199 }
1200 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1201
1202 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1203                    ulong *setup_start, ulong *setup_len)
1204 {
1205 #if IMAGE_ENABLE_FIT
1206         return boot_get_setup_fit(images, arch, setup_start, setup_len);
1207 #else
1208         return -ENOENT;
1209 #endif
1210 }
1211
1212 #if IMAGE_ENABLE_FIT
1213 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1214                 uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1215 {
1216         /*
1217          * These variables are used to hold the current image location
1218          * in system memory.
1219          */
1220         ulong tmp_img_addr;
1221         /*
1222          * These two variables are requirements for fit_image_load, but
1223          * their values are not used
1224          */
1225         ulong img_data, img_len;
1226         void *buf;
1227         int loadables_index;
1228         int conf_noffset;
1229         int fit_img_result;
1230         char *uname;
1231
1232         /* Check to see if the images struct has a FIT configuration */
1233         if (!genimg_has_config(images)) {
1234                 debug("## FIT configuration was not specified\n");
1235                 return 0;
1236         }
1237
1238         /*
1239          * Obtain the os FIT header from the images struct
1240          * copy from dataflash if needed
1241          */
1242         tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1243         tmp_img_addr = genimg_get_image(tmp_img_addr);
1244         buf = map_sysmem(tmp_img_addr, 0);
1245         /*
1246          * Check image type. For FIT images get FIT node
1247          * and attempt to locate a generic binary.
1248          */
1249         switch (genimg_get_format(buf)) {
1250         case IMAGE_FORMAT_FIT:
1251                 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1252
1253                 for (loadables_index = 0;
1254                      fdt_get_string_index(buf, conf_noffset,
1255                                 FIT_LOADABLE_PROP,
1256                                 loadables_index,
1257                                 (const char **)&uname) == 0;
1258                      loadables_index++)
1259                 {
1260                         fit_img_result = fit_image_load(images,
1261                                 tmp_img_addr,
1262                                 (const char **)&uname,
1263                                 &(images->fit_uname_cfg), arch,
1264                                 IH_TYPE_LOADABLE,
1265                                 BOOTSTAGE_ID_FIT_LOADABLE_START,
1266                                 FIT_LOAD_OPTIONAL_NON_ZERO,
1267                                 &img_data, &img_len);
1268                         if (fit_img_result < 0) {
1269                                 /* Something went wrong! */
1270                                 return fit_img_result;
1271                         }
1272                 }
1273                 break;
1274         default:
1275                 printf("The given image format is not supported (corrupt?)\n");
1276                 return 1;
1277         }
1278
1279         return 0;
1280 }
1281 #endif
1282
1283 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1284 /**
1285  * boot_get_cmdline - allocate and initialize kernel cmdline
1286  * @lmb: pointer to lmb handle, will be used for memory mgmt
1287  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1288  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1289  *
1290  * boot_get_cmdline() allocates space for kernel command line below
1291  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-Boot environemnt
1292  * variable is present its contents is copied to allocated kernel
1293  * command line.
1294  *
1295  * returns:
1296  *      0 - success
1297  *     -1 - failure
1298  */
1299 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1300 {
1301         char *cmdline;
1302         char *s;
1303
1304         cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1305                                 getenv_bootm_mapsize() + getenv_bootm_low());
1306
1307         if (cmdline == NULL)
1308                 return -1;
1309
1310         if ((s = getenv("bootargs")) == NULL)
1311                 s = "";
1312
1313         strcpy(cmdline, s);
1314
1315         *cmd_start = (ulong) & cmdline[0];
1316         *cmd_end = *cmd_start + strlen(cmdline);
1317
1318         debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1319
1320         return 0;
1321 }
1322 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1323
1324 #ifdef CONFIG_SYS_BOOT_GET_KBD
1325 /**
1326  * boot_get_kbd - allocate and initialize kernel copy of board info
1327  * @lmb: pointer to lmb handle, will be used for memory mgmt
1328  * @kbd: double pointer to board info data
1329  *
1330  * boot_get_kbd() allocates space for kernel copy of board info data below
1331  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1332  * with the current u-boot board info data.
1333  *
1334  * returns:
1335  *      0 - success
1336  *     -1 - failure
1337  */
1338 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1339 {
1340         *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1341                                 getenv_bootm_mapsize() + getenv_bootm_low());
1342         if (*kbd == NULL)
1343                 return -1;
1344
1345         **kbd = *(gd->bd);
1346
1347         debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1348
1349 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1350         do_bdinfo(NULL, 0, 0, NULL);
1351 #endif
1352
1353         return 0;
1354 }
1355 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1356
1357 #ifdef CONFIG_LMB
1358 int image_setup_linux(bootm_headers_t *images)
1359 {
1360         ulong of_size = images->ft_len;
1361         char **of_flat_tree = &images->ft_addr;
1362         ulong *initrd_start = &images->initrd_start;
1363         ulong *initrd_end = &images->initrd_end;
1364         struct lmb *lmb = &images->lmb;
1365         ulong rd_len;
1366         int ret;
1367
1368         if (IMAGE_ENABLE_OF_LIBFDT)
1369                 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1370
1371         if (IMAGE_BOOT_GET_CMDLINE) {
1372                 ret = boot_get_cmdline(lmb, &images->cmdline_start,
1373                                 &images->cmdline_end);
1374                 if (ret) {
1375                         puts("ERROR with allocation of cmdline\n");
1376                         return ret;
1377                 }
1378         }
1379         if (IMAGE_ENABLE_RAMDISK_HIGH) {
1380                 rd_len = images->rd_end - images->rd_start;
1381                 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1382                                 initrd_start, initrd_end);
1383                 if (ret)
1384                         return ret;
1385         }
1386
1387         if (IMAGE_ENABLE_OF_LIBFDT) {
1388                 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1389                 if (ret)
1390                         return ret;
1391         }
1392
1393         if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1394                 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1395                 if (ret)
1396                         return ret;
1397         }
1398
1399         return 0;
1400 }
1401 #endif /* CONFIG_LMB */
1402 #endif /* !USE_HOSTCC */