xref: /rk3399_rockchip-uboot/common/image.c (revision a131c1f44231e3546b1cca8480400c98d1dd7ac8)
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 defined(CONFIG_FIT) || defined(CONFIG_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 	{	-1,		    "",		  "",			},
160 };
161 
162 static const table_entry_t uimage_comp[] = {
163 	{	IH_COMP_NONE,	"none",		"uncompressed",		},
164 	{	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	},
165 	{	IH_COMP_GZIP,	"gzip",		"gzip compressed",	},
166 	{	IH_COMP_LZMA,	"lzma",		"lzma compressed",	},
167 	{	IH_COMP_LZO,	"lzo",		"lzo compressed",	},
168 	{	-1,		"",		"",			},
169 };
170 
171 /*****************************************************************************/
172 /* Legacy format routines */
173 /*****************************************************************************/
174 int image_check_hcrc(const image_header_t *hdr)
175 {
176 	ulong hcrc;
177 	ulong len = image_get_header_size();
178 	image_header_t header;
179 
180 	/* Copy header so we can blank CRC field for re-calculation */
181 	memmove(&header, (char *)hdr, image_get_header_size());
182 	image_set_hcrc(&header, 0);
183 
184 	hcrc = crc32(0, (unsigned char *)&header, len);
185 
186 	return (hcrc == image_get_hcrc(hdr));
187 }
188 
189 int image_check_dcrc(const image_header_t *hdr)
190 {
191 	ulong data = image_get_data(hdr);
192 	ulong len = image_get_data_size(hdr);
193 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
194 
195 	return (dcrc == image_get_dcrc(hdr));
196 }
197 
198 /**
199  * image_multi_count - get component (sub-image) count
200  * @hdr: pointer to the header of the multi component image
201  *
202  * image_multi_count() returns number of components in a multi
203  * component image.
204  *
205  * Note: no checking of the image type is done, caller must pass
206  * a valid multi component image.
207  *
208  * returns:
209  *     number of components
210  */
211 ulong image_multi_count(const image_header_t *hdr)
212 {
213 	ulong i, count = 0;
214 	uint32_t *size;
215 
216 	/* get start of the image payload, which in case of multi
217 	 * component images that points to a table of component sizes */
218 	size = (uint32_t *)image_get_data(hdr);
219 
220 	/* count non empty slots */
221 	for (i = 0; size[i]; ++i)
222 		count++;
223 
224 	return count;
225 }
226 
227 /**
228  * image_multi_getimg - get component data address and size
229  * @hdr: pointer to the header of the multi component image
230  * @idx: index of the requested component
231  * @data: pointer to a ulong variable, will hold component data address
232  * @len: pointer to a ulong variable, will hold component size
233  *
234  * image_multi_getimg() returns size and data address for the requested
235  * component in a multi component image.
236  *
237  * Note: no checking of the image type is done, caller must pass
238  * a valid multi component image.
239  *
240  * returns:
241  *     data address and size of the component, if idx is valid
242  *     0 in data and len, if idx is out of range
243  */
244 void image_multi_getimg(const image_header_t *hdr, ulong idx,
245 			ulong *data, ulong *len)
246 {
247 	int i;
248 	uint32_t *size;
249 	ulong offset, count, img_data;
250 
251 	/* get number of component */
252 	count = image_multi_count(hdr);
253 
254 	/* get start of the image payload, which in case of multi
255 	 * component images that points to a table of component sizes */
256 	size = (uint32_t *)image_get_data(hdr);
257 
258 	/* get address of the proper component data start, which means
259 	 * skipping sizes table (add 1 for last, null entry) */
260 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
261 
262 	if (idx < count) {
263 		*len = uimage_to_cpu(size[idx]);
264 		offset = 0;
265 
266 		/* go over all indices preceding requested component idx */
267 		for (i = 0; i < idx; i++) {
268 			/* add up i-th component size, rounding up to 4 bytes */
269 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
270 		}
271 
272 		/* calculate idx-th component data address */
273 		*data = img_data + offset;
274 	} else {
275 		*len = 0;
276 		*data = 0;
277 	}
278 }
279 
280 static void image_print_type(const image_header_t *hdr)
281 {
282 	const char __maybe_unused *os, *arch, *type, *comp;
283 
284 	os = genimg_get_os_name(image_get_os(hdr));
285 	arch = genimg_get_arch_name(image_get_arch(hdr));
286 	type = genimg_get_type_name(image_get_type(hdr));
287 	comp = genimg_get_comp_name(image_get_comp(hdr));
288 
289 	printf("%s %s %s (%s)\n", arch, os, type, comp);
290 }
291 
292 /**
293  * image_print_contents - prints out the contents of the legacy format image
294  * @ptr: pointer to the legacy format image header
295  * @p: pointer to prefix string
296  *
297  * image_print_contents() formats a multi line legacy image contents description.
298  * The routine prints out all header fields followed by the size/offset data
299  * for MULTI/SCRIPT images.
300  *
301  * returns:
302  *     no returned results
303  */
304 void image_print_contents(const void *ptr)
305 {
306 	const image_header_t *hdr = (const image_header_t *)ptr;
307 	const char __maybe_unused *p;
308 
309 	p = IMAGE_INDENT_STRING;
310 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
311 	if (IMAGE_ENABLE_TIMESTAMP) {
312 		printf("%sCreated:      ", p);
313 		genimg_print_time((time_t)image_get_time(hdr));
314 	}
315 	printf("%sImage Type:   ", p);
316 	image_print_type(hdr);
317 	printf("%sData Size:    ", p);
318 	genimg_print_size(image_get_data_size(hdr));
319 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
320 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
321 
322 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
323 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
324 		int i;
325 		ulong data, len;
326 		ulong count = image_multi_count(hdr);
327 
328 		printf("%sContents:\n", p);
329 		for (i = 0; i < count; i++) {
330 			image_multi_getimg(hdr, i, &data, &len);
331 
332 			printf("%s   Image %d: ", p, i);
333 			genimg_print_size(len);
334 
335 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
336 				/*
337 				 * the user may need to know offsets
338 				 * if planning to do something with
339 				 * multiple files
340 				 */
341 				printf("%s    Offset = 0x%08lx\n", p, data);
342 			}
343 		}
344 	}
345 }
346 
347 
348 #ifndef USE_HOSTCC
349 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
350 /**
351  * image_get_ramdisk - get and verify ramdisk image
352  * @rd_addr: ramdisk image start address
353  * @arch: expected ramdisk architecture
354  * @verify: checksum verification flag
355  *
356  * image_get_ramdisk() returns a pointer to the verified ramdisk image
357  * header. Routine receives image start address and expected architecture
358  * flag. Verification done covers data and header integrity and os/type/arch
359  * fields checking.
360  *
361  * If dataflash support is enabled routine checks for dataflash addresses
362  * and handles required dataflash reads.
363  *
364  * returns:
365  *     pointer to a ramdisk image header, if image was found and valid
366  *     otherwise, return NULL
367  */
368 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
369 						int verify)
370 {
371 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
372 
373 	if (!image_check_magic(rd_hdr)) {
374 		puts("Bad Magic Number\n");
375 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
376 		return NULL;
377 	}
378 
379 	if (!image_check_hcrc(rd_hdr)) {
380 		puts("Bad Header Checksum\n");
381 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
382 		return NULL;
383 	}
384 
385 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
386 	image_print_contents(rd_hdr);
387 
388 	if (verify) {
389 		puts("   Verifying Checksum ... ");
390 		if (!image_check_dcrc(rd_hdr)) {
391 			puts("Bad Data CRC\n");
392 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
393 			return NULL;
394 		}
395 		puts("OK\n");
396 	}
397 
398 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
399 
400 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
401 	    !image_check_arch(rd_hdr, arch) ||
402 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
403 		printf("No Linux %s Ramdisk Image\n",
404 				genimg_get_arch_name(arch));
405 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
406 		return NULL;
407 	}
408 
409 	return rd_hdr;
410 }
411 #endif
412 #endif /* !USE_HOSTCC */
413 
414 /*****************************************************************************/
415 /* Shared dual-format routines */
416 /*****************************************************************************/
417 #ifndef USE_HOSTCC
418 ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
419 ulong save_addr;			/* Default Save Address */
420 ulong save_size;			/* Default Save Size (in bytes) */
421 
422 static int on_loadaddr(const char *name, const char *value, enum env_op op,
423 	int flags)
424 {
425 	switch (op) {
426 	case env_op_create:
427 	case env_op_overwrite:
428 		load_addr = simple_strtoul(value, NULL, 16);
429 		break;
430 	default:
431 		break;
432 	}
433 
434 	return 0;
435 }
436 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
437 
438 ulong getenv_bootm_low(void)
439 {
440 	char *s = getenv("bootm_low");
441 	if (s) {
442 		ulong tmp = simple_strtoul(s, NULL, 16);
443 		return tmp;
444 	}
445 
446 #if defined(CONFIG_SYS_SDRAM_BASE)
447 	return CONFIG_SYS_SDRAM_BASE;
448 #elif defined(CONFIG_ARM)
449 	return gd->bd->bi_dram[0].start;
450 #else
451 	return 0;
452 #endif
453 }
454 
455 phys_size_t getenv_bootm_size(void)
456 {
457 	phys_size_t tmp;
458 	char *s = getenv("bootm_size");
459 	if (s) {
460 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
461 		return tmp;
462 	}
463 	s = getenv("bootm_low");
464 	if (s)
465 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
466 	else
467 		tmp = 0;
468 
469 
470 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
471 	return gd->bd->bi_dram[0].size - tmp;
472 #else
473 	return gd->bd->bi_memsize - tmp;
474 #endif
475 }
476 
477 phys_size_t getenv_bootm_mapsize(void)
478 {
479 	phys_size_t tmp;
480 	char *s = getenv("bootm_mapsize");
481 	if (s) {
482 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
483 		return tmp;
484 	}
485 
486 #if defined(CONFIG_SYS_BOOTMAPSZ)
487 	return CONFIG_SYS_BOOTMAPSZ;
488 #else
489 	return getenv_bootm_size();
490 #endif
491 }
492 
493 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
494 {
495 	if (to == from)
496 		return;
497 
498 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
499 	if (to > from) {
500 		from += len;
501 		to += len;
502 	}
503 	while (len > 0) {
504 		size_t tail = (len > chunksz) ? chunksz : len;
505 		WATCHDOG_RESET();
506 		if (to > from) {
507 			to -= tail;
508 			from -= tail;
509 		}
510 		memmove(to, from, tail);
511 		if (to < from) {
512 			to += tail;
513 			from += tail;
514 		}
515 		len -= tail;
516 	}
517 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
518 	memmove(to, from, len);
519 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
520 }
521 #endif /* !USE_HOSTCC */
522 
523 void genimg_print_size(uint32_t size)
524 {
525 #ifndef USE_HOSTCC
526 	printf("%d Bytes = ", size);
527 	print_size(size, "\n");
528 #else
529 	printf("%d Bytes = %.2f kB = %.2f MB\n",
530 			size, (double)size / 1.024e3,
531 			(double)size / 1.048576e6);
532 #endif
533 }
534 
535 #if IMAGE_ENABLE_TIMESTAMP
536 void genimg_print_time(time_t timestamp)
537 {
538 #ifndef USE_HOSTCC
539 	struct rtc_time tm;
540 
541 	rtc_to_tm(timestamp, &tm);
542 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
543 			tm.tm_year, tm.tm_mon, tm.tm_mday,
544 			tm.tm_hour, tm.tm_min, tm.tm_sec);
545 #else
546 	printf("%s", ctime(&timestamp));
547 #endif
548 }
549 #endif
550 
551 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
552 {
553 	for (; table->id >= 0; ++table) {
554 		if (table->id == id)
555 			return table;
556 	}
557 	return NULL;
558 }
559 
560 /**
561  * get_table_entry_name - translate entry id to long name
562  * @table: pointer to a translation table for entries of a specific type
563  * @msg: message to be returned when translation fails
564  * @id: entry id to be translated
565  *
566  * get_table_entry_name() will go over translation table trying to find
567  * entry that matches given id. If matching entry is found, its long
568  * name is returned to the caller.
569  *
570  * returns:
571  *     long entry name if translation succeeds
572  *     msg otherwise
573  */
574 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
575 {
576 	table = get_table_entry(table, id);
577 	if (!table)
578 		return msg;
579 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
580 	return table->lname;
581 #else
582 	return table->lname + gd->reloc_off;
583 #endif
584 }
585 
586 const char *genimg_get_os_name(uint8_t os)
587 {
588 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
589 }
590 
591 const char *genimg_get_arch_name(uint8_t arch)
592 {
593 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
594 					arch));
595 }
596 
597 const char *genimg_get_type_name(uint8_t type)
598 {
599 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
600 }
601 
602 const char *genimg_get_type_short_name(uint8_t type)
603 {
604 	const table_entry_t *table;
605 
606 	table = get_table_entry(uimage_type, type);
607 	if (!table)
608 		return "unknown";
609 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
610 	return table->sname;
611 #else
612 	return table->sname + gd->reloc_off;
613 #endif
614 }
615 
616 const char *genimg_get_comp_name(uint8_t comp)
617 {
618 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
619 					comp));
620 }
621 
622 /**
623  * get_table_entry_id - translate short entry name to id
624  * @table: pointer to a translation table for entries of a specific type
625  * @table_name: to be used in case of error
626  * @name: entry short name to be translated
627  *
628  * get_table_entry_id() will go over translation table trying to find
629  * entry that matches given short name. If matching entry is found,
630  * its id returned to the caller.
631  *
632  * returns:
633  *     entry id if translation succeeds
634  *     -1 otherwise
635  */
636 int get_table_entry_id(const table_entry_t *table,
637 		const char *table_name, const char *name)
638 {
639 	const table_entry_t *t;
640 
641 	for (t = table; t->id >= 0; ++t) {
642 #ifdef CONFIG_NEEDS_MANUAL_RELOC
643 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
644 #else
645 		if (t->sname && strcasecmp(t->sname, name) == 0)
646 #endif
647 			return (t->id);
648 	}
649 	debug("Invalid %s Type: %s\n", table_name, name);
650 
651 	return -1;
652 }
653 
654 int genimg_get_os_id(const char *name)
655 {
656 	return (get_table_entry_id(uimage_os, "OS", name));
657 }
658 
659 int genimg_get_arch_id(const char *name)
660 {
661 	return (get_table_entry_id(uimage_arch, "CPU", name));
662 }
663 
664 int genimg_get_type_id(const char *name)
665 {
666 	return (get_table_entry_id(uimage_type, "Image", name));
667 }
668 
669 int genimg_get_comp_id(const char *name)
670 {
671 	return (get_table_entry_id(uimage_comp, "Compression", name));
672 }
673 
674 #ifndef USE_HOSTCC
675 /**
676  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
677  *                              FIT strings
678  * @img_addr: a string might contain real image address
679  * @fit_uname_config: double pointer to a char, will hold pointer to a
680  *                    configuration unit name
681  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
682  *                    name
683  *
684  * genimg_get_kernel_addr_fit get the real kernel start address from a string
685  * which is normally the first argv of bootm/bootz
686  *
687  * returns:
688  *     kernel start address
689  */
690 ulong genimg_get_kernel_addr_fit(char * const img_addr,
691 			     const char **fit_uname_config,
692 			     const char **fit_uname_kernel)
693 {
694 	ulong kernel_addr;
695 
696 	/* find out kernel image address */
697 	if (!img_addr) {
698 		kernel_addr = load_addr;
699 		debug("*  kernel: default image load address = 0x%08lx\n",
700 		      load_addr);
701 #if defined(CONFIG_FIT)
702 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
703 				  fit_uname_config)) {
704 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
705 		      *fit_uname_config, kernel_addr);
706 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
707 				     fit_uname_kernel)) {
708 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
709 		      *fit_uname_kernel, kernel_addr);
710 #endif
711 	} else {
712 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
713 		debug("*  kernel: cmdline image address = 0x%08lx\n",
714 		      kernel_addr);
715 	}
716 
717 	return kernel_addr;
718 }
719 
720 /**
721  * genimg_get_kernel_addr() is the simple version of
722  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
723  */
724 ulong genimg_get_kernel_addr(char * const img_addr)
725 {
726 	const char *fit_uname_config = NULL;
727 	const char *fit_uname_kernel = NULL;
728 
729 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
730 					  &fit_uname_kernel);
731 }
732 
733 /**
734  * genimg_get_format - get image format type
735  * @img_addr: image start address
736  *
737  * genimg_get_format() checks whether provided address points to a valid
738  * legacy or FIT image.
739  *
740  * New uImage format and FDT blob are based on a libfdt. FDT blob
741  * may be passed directly or embedded in a FIT image. In both situations
742  * genimg_get_format() must be able to dectect libfdt header.
743  *
744  * returns:
745  *     image format type or IMAGE_FORMAT_INVALID if no image is present
746  */
747 int genimg_get_format(const void *img_addr)
748 {
749 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
750 	const image_header_t *hdr;
751 
752 	hdr = (const image_header_t *)img_addr;
753 	if (image_check_magic(hdr))
754 		return IMAGE_FORMAT_LEGACY;
755 #endif
756 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
757 	if (fdt_check_header(img_addr) == 0)
758 		return IMAGE_FORMAT_FIT;
759 #endif
760 #ifdef CONFIG_ANDROID_BOOT_IMAGE
761 	if (android_image_check_header(img_addr) == 0)
762 		return IMAGE_FORMAT_ANDROID;
763 #endif
764 
765 	return IMAGE_FORMAT_INVALID;
766 }
767 
768 /**
769  * genimg_get_image - get image from special storage (if necessary)
770  * @img_addr: image start address
771  *
772  * genimg_get_image() checks if provided image start address is located
773  * in a dataflash storage. If so, image is moved to a system RAM memory.
774  *
775  * returns:
776  *     image start address after possible relocation from special storage
777  */
778 ulong genimg_get_image(ulong img_addr)
779 {
780 	ulong ram_addr = img_addr;
781 
782 #ifdef CONFIG_HAS_DATAFLASH
783 	ulong h_size, d_size;
784 
785 	if (addr_dataflash(img_addr)) {
786 		void *buf;
787 
788 		/* ger RAM address */
789 		ram_addr = CONFIG_SYS_LOAD_ADDR;
790 
791 		/* get header size */
792 		h_size = image_get_header_size();
793 #if defined(CONFIG_FIT)
794 		if (sizeof(struct fdt_header) > h_size)
795 			h_size = sizeof(struct fdt_header);
796 #endif
797 
798 		/* read in header */
799 		debug("   Reading image header from dataflash address "
800 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
801 
802 		buf = map_sysmem(ram_addr, 0);
803 		read_dataflash(img_addr, h_size, buf);
804 
805 		/* get data size */
806 		switch (genimg_get_format(buf)) {
807 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
808 		case IMAGE_FORMAT_LEGACY:
809 			d_size = image_get_data_size(buf);
810 			debug("   Legacy format image found at 0x%08lx, "
811 					"size 0x%08lx\n",
812 					ram_addr, d_size);
813 			break;
814 #endif
815 #if defined(CONFIG_FIT)
816 		case IMAGE_FORMAT_FIT:
817 			d_size = fit_get_size(buf) - h_size;
818 			debug("   FIT/FDT format image found at 0x%08lx, "
819 					"size 0x%08lx\n",
820 					ram_addr, d_size);
821 			break;
822 #endif
823 		default:
824 			printf("   No valid image found at 0x%08lx\n",
825 				img_addr);
826 			return ram_addr;
827 		}
828 
829 		/* read in image data */
830 		debug("   Reading image remaining data from dataflash address "
831 			"%08lx to RAM address %08lx\n", img_addr + h_size,
832 			ram_addr + h_size);
833 
834 		read_dataflash(img_addr + h_size, d_size,
835 				(char *)(buf + h_size));
836 
837 	}
838 #endif /* CONFIG_HAS_DATAFLASH */
839 
840 	return ram_addr;
841 }
842 
843 /**
844  * fit_has_config - check if there is a valid FIT configuration
845  * @images: pointer to the bootm command headers structure
846  *
847  * fit_has_config() checks if there is a FIT configuration in use
848  * (if FTI support is present).
849  *
850  * returns:
851  *     0, no FIT support or no configuration found
852  *     1, configuration found
853  */
854 int genimg_has_config(bootm_headers_t *images)
855 {
856 #if defined(CONFIG_FIT)
857 	if (images->fit_uname_cfg)
858 		return 1;
859 #endif
860 	return 0;
861 }
862 
863 /**
864  * boot_get_ramdisk - main ramdisk handling routine
865  * @argc: command argument count
866  * @argv: command argument list
867  * @images: pointer to the bootm images structure
868  * @arch: expected ramdisk architecture
869  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
870  * @rd_end: pointer to a ulong variable, will hold ramdisk end
871  *
872  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
873  * Curently supported are the following ramdisk sources:
874  *      - multicomponent kernel/ramdisk image,
875  *      - commandline provided address of decicated ramdisk image.
876  *
877  * returns:
878  *     0, if ramdisk image was found and valid, or skiped
879  *     rd_start and rd_end are set to ramdisk start/end addresses if
880  *     ramdisk image is found and valid
881  *
882  *     1, if ramdisk image is found but corrupted, or invalid
883  *     rd_start and rd_end are set to 0 if no ramdisk exists
884  */
885 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
886 		uint8_t arch, ulong *rd_start, ulong *rd_end)
887 {
888 	ulong rd_addr, rd_load;
889 	ulong rd_data, rd_len;
890 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
891 	const image_header_t *rd_hdr;
892 #endif
893 	void *buf;
894 #ifdef CONFIG_SUPPORT_RAW_INITRD
895 	char *end;
896 #endif
897 #if defined(CONFIG_FIT)
898 	const char	*fit_uname_config = images->fit_uname_cfg;
899 	const char	*fit_uname_ramdisk = NULL;
900 	ulong		default_addr;
901 	int		rd_noffset;
902 #endif
903 	const char *select = NULL;
904 
905 	*rd_start = 0;
906 	*rd_end = 0;
907 
908 	if (argc >= 2)
909 		select = argv[1];
910 
911 	/*
912 	 * Look for a '-' which indicates to ignore the
913 	 * ramdisk argument
914 	 */
915 	if (select && strcmp(select, "-") ==  0) {
916 		debug("## Skipping init Ramdisk\n");
917 		rd_len = rd_data = 0;
918 	} else if (select || genimg_has_config(images)) {
919 #if defined(CONFIG_FIT)
920 		if (select) {
921 			/*
922 			 * If the init ramdisk comes from the FIT image and
923 			 * the FIT image address is omitted in the command
924 			 * line argument, try to use os FIT image address or
925 			 * default load address.
926 			 */
927 			if (images->fit_uname_os)
928 				default_addr = (ulong)images->fit_hdr_os;
929 			else
930 				default_addr = load_addr;
931 
932 			if (fit_parse_conf(select, default_addr,
933 					   &rd_addr, &fit_uname_config)) {
934 				debug("*  ramdisk: config '%s' from image at "
935 						"0x%08lx\n",
936 						fit_uname_config, rd_addr);
937 			} else if (fit_parse_subimage(select, default_addr,
938 						&rd_addr, &fit_uname_ramdisk)) {
939 				debug("*  ramdisk: subimage '%s' from image at "
940 						"0x%08lx\n",
941 						fit_uname_ramdisk, rd_addr);
942 			} else
943 #endif
944 			{
945 				rd_addr = simple_strtoul(select, NULL, 16);
946 				debug("*  ramdisk: cmdline image address = "
947 						"0x%08lx\n",
948 						rd_addr);
949 			}
950 #if defined(CONFIG_FIT)
951 		} else {
952 			/* use FIT configuration provided in first bootm
953 			 * command argument. If the property is not defined,
954 			 * quit silently.
955 			 */
956 			rd_addr = map_to_sysmem(images->fit_hdr_os);
957 			rd_noffset = fit_get_node_from_config(images,
958 					FIT_RAMDISK_PROP, rd_addr);
959 			if (rd_noffset == -ENOLINK)
960 				return 0;
961 			else if (rd_noffset < 0)
962 				return 1;
963 		}
964 #endif
965 
966 		/* copy from dataflash if needed */
967 		rd_addr = genimg_get_image(rd_addr);
968 
969 		/*
970 		 * Check if there is an initrd image at the
971 		 * address provided in the second bootm argument
972 		 * check image type, for FIT images get FIT node.
973 		 */
974 		buf = map_sysmem(rd_addr, 0);
975 		switch (genimg_get_format(buf)) {
976 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
977 		case IMAGE_FORMAT_LEGACY:
978 			printf("## Loading init Ramdisk from Legacy "
979 					"Image at %08lx ...\n", rd_addr);
980 
981 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
982 			rd_hdr = image_get_ramdisk(rd_addr, arch,
983 							images->verify);
984 
985 			if (rd_hdr == NULL)
986 				return 1;
987 
988 			rd_data = image_get_data(rd_hdr);
989 			rd_len = image_get_data_size(rd_hdr);
990 			rd_load = image_get_load(rd_hdr);
991 			break;
992 #endif
993 #if defined(CONFIG_FIT)
994 		case IMAGE_FORMAT_FIT:
995 			rd_noffset = fit_image_load(images,
996 					rd_addr, &fit_uname_ramdisk,
997 					&fit_uname_config, arch,
998 					IH_TYPE_RAMDISK,
999 					BOOTSTAGE_ID_FIT_RD_START,
1000 					FIT_LOAD_OPTIONAL_NON_ZERO,
1001 					&rd_data, &rd_len);
1002 			if (rd_noffset < 0)
1003 				return 1;
1004 
1005 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1006 			images->fit_uname_rd = fit_uname_ramdisk;
1007 			images->fit_noffset_rd = rd_noffset;
1008 			break;
1009 #endif
1010 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1011 		case IMAGE_FORMAT_ANDROID:
1012 			android_image_get_ramdisk((void *)images->os.start,
1013 				&rd_data, &rd_len);
1014 			break;
1015 #endif
1016 		default:
1017 #ifdef CONFIG_SUPPORT_RAW_INITRD
1018 			end = NULL;
1019 			if (select)
1020 				end = strchr(select, ':');
1021 			if (end) {
1022 				rd_len = simple_strtoul(++end, NULL, 16);
1023 				rd_data = rd_addr;
1024 			} else
1025 #endif
1026 			{
1027 				puts("Wrong Ramdisk Image Format\n");
1028 				rd_data = rd_len = rd_load = 0;
1029 				return 1;
1030 			}
1031 		}
1032 	} else if (images->legacy_hdr_valid &&
1033 			image_check_type(&images->legacy_hdr_os_copy,
1034 						IH_TYPE_MULTI)) {
1035 
1036 		/*
1037 		 * Now check if we have a legacy mult-component image,
1038 		 * get second entry data start address and len.
1039 		 */
1040 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1041 		printf("## Loading init Ramdisk from multi component "
1042 				"Legacy Image at %08lx ...\n",
1043 				(ulong)images->legacy_hdr_os);
1044 
1045 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1046 	} else {
1047 		/*
1048 		 * no initrd image
1049 		 */
1050 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1051 		rd_len = rd_data = 0;
1052 	}
1053 
1054 	if (!rd_data) {
1055 		debug("## No init Ramdisk\n");
1056 	} else {
1057 		*rd_start = rd_data;
1058 		*rd_end = rd_data + rd_len;
1059 	}
1060 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1061 			*rd_start, *rd_end);
1062 
1063 	return 0;
1064 }
1065 
1066 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1067 /**
1068  * boot_ramdisk_high - relocate init ramdisk
1069  * @lmb: pointer to lmb handle, will be used for memory mgmt
1070  * @rd_data: ramdisk data start address
1071  * @rd_len: ramdisk data length
1072  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1073  *      start address (after possible relocation)
1074  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1075  *      end address (after possible relocation)
1076  *
1077  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1078  * variable and if requested ramdisk data is moved to a specified location.
1079  *
1080  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1081  * start/end addresses if ramdisk image start and len were provided,
1082  * otherwise set initrd_start and initrd_end set to zeros.
1083  *
1084  * returns:
1085  *      0 - success
1086  *     -1 - failure
1087  */
1088 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1089 		  ulong *initrd_start, ulong *initrd_end)
1090 {
1091 	char	*s;
1092 	ulong	initrd_high;
1093 	int	initrd_copy_to_ram = 1;
1094 
1095 	if ((s = getenv("initrd_high")) != NULL) {
1096 		/* a value of "no" or a similar string will act like 0,
1097 		 * turning the "load high" feature off. This is intentional.
1098 		 */
1099 		initrd_high = simple_strtoul(s, NULL, 16);
1100 		if (initrd_high == ~0)
1101 			initrd_copy_to_ram = 0;
1102 	} else {
1103 		/* not set, no restrictions to load high */
1104 		initrd_high = ~0;
1105 	}
1106 
1107 
1108 #ifdef CONFIG_LOGBUFFER
1109 	/* Prevent initrd from overwriting logbuffer */
1110 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1111 #endif
1112 
1113 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1114 			initrd_high, initrd_copy_to_ram);
1115 
1116 	if (rd_data) {
1117 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1118 			debug("   in-place initrd\n");
1119 			*initrd_start = rd_data;
1120 			*initrd_end = rd_data + rd_len;
1121 			lmb_reserve(lmb, rd_data, rd_len);
1122 		} else {
1123 			if (initrd_high)
1124 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1125 						rd_len, 0x1000, initrd_high);
1126 			else
1127 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1128 								 0x1000);
1129 
1130 			if (*initrd_start == 0) {
1131 				puts("ramdisk - allocation error\n");
1132 				goto error;
1133 			}
1134 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1135 
1136 			*initrd_end = *initrd_start + rd_len;
1137 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1138 					*initrd_start, *initrd_end);
1139 
1140 			memmove_wd((void *)*initrd_start,
1141 					(void *)rd_data, rd_len, CHUNKSZ);
1142 
1143 #ifdef CONFIG_MP
1144 			/*
1145 			 * Ensure the image is flushed to memory to handle
1146 			 * AMP boot scenarios in which we might not be
1147 			 * HW cache coherent
1148 			 */
1149 			flush_cache((unsigned long)*initrd_start, rd_len);
1150 #endif
1151 			puts("OK\n");
1152 		}
1153 	} else {
1154 		*initrd_start = 0;
1155 		*initrd_end = 0;
1156 	}
1157 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1158 			*initrd_start, *initrd_end);
1159 
1160 	return 0;
1161 
1162 error:
1163 	return -1;
1164 }
1165 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1166 
1167 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1168 		   ulong *setup_start, ulong *setup_len)
1169 {
1170 #if defined(CONFIG_FIT)
1171 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1172 #else
1173 	return -ENOENT;
1174 #endif
1175 }
1176 
1177 #if defined(CONFIG_FIT)
1178 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1179 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1180 {
1181 	/*
1182 	 * These variables are used to hold the current image location
1183 	 * in system memory.
1184 	 */
1185 	ulong tmp_img_addr;
1186 	/*
1187 	 * These two variables are requirements for fit_image_load, but
1188 	 * their values are not used
1189 	 */
1190 	ulong img_data, img_len;
1191 	void *buf;
1192 	int loadables_index;
1193 	int conf_noffset;
1194 	int fit_img_result;
1195 	char *uname;
1196 
1197 	/* Check to see if the images struct has a FIT configuration */
1198 	if (!genimg_has_config(images)) {
1199 		debug("## FIT configuration was not specified\n");
1200 		return 0;
1201 	}
1202 
1203 	/*
1204 	 * Obtain the os FIT header from the images struct
1205 	 * copy from dataflash if needed
1206 	 */
1207 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1208 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1209 	buf = map_sysmem(tmp_img_addr, 0);
1210 	/*
1211 	 * Check image type. For FIT images get FIT node
1212 	 * and attempt to locate a generic binary.
1213 	 */
1214 	switch (genimg_get_format(buf)) {
1215 	case IMAGE_FORMAT_FIT:
1216 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1217 
1218 		for (loadables_index = 0;
1219 		     fdt_get_string_index(buf, conf_noffset,
1220 				FIT_LOADABLE_PROP,
1221 				loadables_index,
1222 				(const char **)&uname) == 0;
1223 		     loadables_index++)
1224 		{
1225 			fit_img_result = fit_image_load(images,
1226 				tmp_img_addr,
1227 				(const char **)&uname,
1228 				&(images->fit_uname_cfg), arch,
1229 				IH_TYPE_LOADABLE,
1230 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1231 				FIT_LOAD_OPTIONAL_NON_ZERO,
1232 				&img_data, &img_len);
1233 			if (fit_img_result < 0) {
1234 				/* Something went wrong! */
1235 				return fit_img_result;
1236 			}
1237 		}
1238 		break;
1239 	default:
1240 		printf("The given image format is not supported (corrupt?)\n");
1241 		return 1;
1242 	}
1243 
1244 	return 0;
1245 }
1246 #endif
1247 
1248 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1249 /**
1250  * boot_get_cmdline - allocate and initialize kernel cmdline
1251  * @lmb: pointer to lmb handle, will be used for memory mgmt
1252  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1253  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1254  *
1255  * boot_get_cmdline() allocates space for kernel command line below
1256  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1257  * variable is present its contents is copied to allocated kernel
1258  * command line.
1259  *
1260  * returns:
1261  *      0 - success
1262  *     -1 - failure
1263  */
1264 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1265 {
1266 	char *cmdline;
1267 	char *s;
1268 
1269 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1270 				getenv_bootm_mapsize() + getenv_bootm_low());
1271 
1272 	if (cmdline == NULL)
1273 		return -1;
1274 
1275 	if ((s = getenv("bootargs")) == NULL)
1276 		s = "";
1277 
1278 	strcpy(cmdline, s);
1279 
1280 	*cmd_start = (ulong) & cmdline[0];
1281 	*cmd_end = *cmd_start + strlen(cmdline);
1282 
1283 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1284 
1285 	return 0;
1286 }
1287 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1288 
1289 #ifdef CONFIG_SYS_BOOT_GET_KBD
1290 /**
1291  * boot_get_kbd - allocate and initialize kernel copy of board info
1292  * @lmb: pointer to lmb handle, will be used for memory mgmt
1293  * @kbd: double pointer to board info data
1294  *
1295  * boot_get_kbd() allocates space for kernel copy of board info data below
1296  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1297  * with the current u-boot board info data.
1298  *
1299  * returns:
1300  *      0 - success
1301  *     -1 - failure
1302  */
1303 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1304 {
1305 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1306 				getenv_bootm_mapsize() + getenv_bootm_low());
1307 	if (*kbd == NULL)
1308 		return -1;
1309 
1310 	**kbd = *(gd->bd);
1311 
1312 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1313 
1314 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1315 	do_bdinfo(NULL, 0, 0, NULL);
1316 #endif
1317 
1318 	return 0;
1319 }
1320 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1321 
1322 #ifdef CONFIG_LMB
1323 int image_setup_linux(bootm_headers_t *images)
1324 {
1325 	ulong of_size = images->ft_len;
1326 	char **of_flat_tree = &images->ft_addr;
1327 	ulong *initrd_start = &images->initrd_start;
1328 	ulong *initrd_end = &images->initrd_end;
1329 	struct lmb *lmb = &images->lmb;
1330 	ulong rd_len;
1331 	int ret;
1332 
1333 	if (IMAGE_ENABLE_OF_LIBFDT)
1334 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1335 
1336 	if (IMAGE_BOOT_GET_CMDLINE) {
1337 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1338 				&images->cmdline_end);
1339 		if (ret) {
1340 			puts("ERROR with allocation of cmdline\n");
1341 			return ret;
1342 		}
1343 	}
1344 	if (IMAGE_ENABLE_RAMDISK_HIGH) {
1345 		rd_len = images->rd_end - images->rd_start;
1346 		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1347 				initrd_start, initrd_end);
1348 		if (ret)
1349 			return ret;
1350 	}
1351 
1352 	if (IMAGE_ENABLE_OF_LIBFDT) {
1353 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1354 		if (ret)
1355 			return ret;
1356 	}
1357 
1358 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1359 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1360 		if (ret)
1361 			return ret;
1362 	}
1363 
1364 	return 0;
1365 }
1366 #endif /* CONFIG_LMB */
1367 #endif /* !USE_HOSTCC */
1368