xref: /openbmc/u-boot/common/image.c (revision 08592136)
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 */
1403