xref: /rk3399_rockchip-uboot/common/image.c (revision f9a3c278b98a17eddbf0ad903689cce47e3e6f47)
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 	{	IH_TYPE_RKSD,       "rksd",       "Rockchip SD Boot Image" },
160 	{	-1,		    "",		  "",			},
161 };
162 
163 static const table_entry_t uimage_comp[] = {
164 	{	IH_COMP_NONE,	"none",		"uncompressed",		},
165 	{	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	},
166 	{	IH_COMP_GZIP,	"gzip",		"gzip compressed",	},
167 	{	IH_COMP_LZMA,	"lzma",		"lzma compressed",	},
168 	{	IH_COMP_LZO,	"lzo",		"lzo compressed",	},
169 	{	-1,		"",		"",			},
170 };
171 
172 /*****************************************************************************/
173 /* Legacy format routines */
174 /*****************************************************************************/
175 int image_check_hcrc(const image_header_t *hdr)
176 {
177 	ulong hcrc;
178 	ulong len = image_get_header_size();
179 	image_header_t header;
180 
181 	/* Copy header so we can blank CRC field for re-calculation */
182 	memmove(&header, (char *)hdr, image_get_header_size());
183 	image_set_hcrc(&header, 0);
184 
185 	hcrc = crc32(0, (unsigned char *)&header, len);
186 
187 	return (hcrc == image_get_hcrc(hdr));
188 }
189 
190 int image_check_dcrc(const image_header_t *hdr)
191 {
192 	ulong data = image_get_data(hdr);
193 	ulong len = image_get_data_size(hdr);
194 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
195 
196 	return (dcrc == image_get_dcrc(hdr));
197 }
198 
199 /**
200  * image_multi_count - get component (sub-image) count
201  * @hdr: pointer to the header of the multi component image
202  *
203  * image_multi_count() returns number of components in a multi
204  * component image.
205  *
206  * Note: no checking of the image type is done, caller must pass
207  * a valid multi component image.
208  *
209  * returns:
210  *     number of components
211  */
212 ulong image_multi_count(const image_header_t *hdr)
213 {
214 	ulong i, count = 0;
215 	uint32_t *size;
216 
217 	/* get start of the image payload, which in case of multi
218 	 * component images that points to a table of component sizes */
219 	size = (uint32_t *)image_get_data(hdr);
220 
221 	/* count non empty slots */
222 	for (i = 0; size[i]; ++i)
223 		count++;
224 
225 	return count;
226 }
227 
228 /**
229  * image_multi_getimg - get component data address and size
230  * @hdr: pointer to the header of the multi component image
231  * @idx: index of the requested component
232  * @data: pointer to a ulong variable, will hold component data address
233  * @len: pointer to a ulong variable, will hold component size
234  *
235  * image_multi_getimg() returns size and data address for the requested
236  * component in a multi component image.
237  *
238  * Note: no checking of the image type is done, caller must pass
239  * a valid multi component image.
240  *
241  * returns:
242  *     data address and size of the component, if idx is valid
243  *     0 in data and len, if idx is out of range
244  */
245 void image_multi_getimg(const image_header_t *hdr, ulong idx,
246 			ulong *data, ulong *len)
247 {
248 	int i;
249 	uint32_t *size;
250 	ulong offset, count, img_data;
251 
252 	/* get number of component */
253 	count = image_multi_count(hdr);
254 
255 	/* get start of the image payload, which in case of multi
256 	 * component images that points to a table of component sizes */
257 	size = (uint32_t *)image_get_data(hdr);
258 
259 	/* get address of the proper component data start, which means
260 	 * skipping sizes table (add 1 for last, null entry) */
261 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
262 
263 	if (idx < count) {
264 		*len = uimage_to_cpu(size[idx]);
265 		offset = 0;
266 
267 		/* go over all indices preceding requested component idx */
268 		for (i = 0; i < idx; i++) {
269 			/* add up i-th component size, rounding up to 4 bytes */
270 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
271 		}
272 
273 		/* calculate idx-th component data address */
274 		*data = img_data + offset;
275 	} else {
276 		*len = 0;
277 		*data = 0;
278 	}
279 }
280 
281 static void image_print_type(const image_header_t *hdr)
282 {
283 	const char __maybe_unused *os, *arch, *type, *comp;
284 
285 	os = genimg_get_os_name(image_get_os(hdr));
286 	arch = genimg_get_arch_name(image_get_arch(hdr));
287 	type = genimg_get_type_name(image_get_type(hdr));
288 	comp = genimg_get_comp_name(image_get_comp(hdr));
289 
290 	printf("%s %s %s (%s)\n", arch, os, type, comp);
291 }
292 
293 /**
294  * image_print_contents - prints out the contents of the legacy format image
295  * @ptr: pointer to the legacy format image header
296  * @p: pointer to prefix string
297  *
298  * image_print_contents() formats a multi line legacy image contents description.
299  * The routine prints out all header fields followed by the size/offset data
300  * for MULTI/SCRIPT images.
301  *
302  * returns:
303  *     no returned results
304  */
305 void image_print_contents(const void *ptr)
306 {
307 	const image_header_t *hdr = (const image_header_t *)ptr;
308 	const char __maybe_unused *p;
309 
310 	p = IMAGE_INDENT_STRING;
311 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
312 	if (IMAGE_ENABLE_TIMESTAMP) {
313 		printf("%sCreated:      ", p);
314 		genimg_print_time((time_t)image_get_time(hdr));
315 	}
316 	printf("%sImage Type:   ", p);
317 	image_print_type(hdr);
318 	printf("%sData Size:    ", p);
319 	genimg_print_size(image_get_data_size(hdr));
320 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
321 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
322 
323 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
324 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
325 		int i;
326 		ulong data, len;
327 		ulong count = image_multi_count(hdr);
328 
329 		printf("%sContents:\n", p);
330 		for (i = 0; i < count; i++) {
331 			image_multi_getimg(hdr, i, &data, &len);
332 
333 			printf("%s   Image %d: ", p, i);
334 			genimg_print_size(len);
335 
336 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
337 				/*
338 				 * the user may need to know offsets
339 				 * if planning to do something with
340 				 * multiple files
341 				 */
342 				printf("%s    Offset = 0x%08lx\n", p, data);
343 			}
344 		}
345 	}
346 }
347 
348 
349 #ifndef USE_HOSTCC
350 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
351 /**
352  * image_get_ramdisk - get and verify ramdisk image
353  * @rd_addr: ramdisk image start address
354  * @arch: expected ramdisk architecture
355  * @verify: checksum verification flag
356  *
357  * image_get_ramdisk() returns a pointer to the verified ramdisk image
358  * header. Routine receives image start address and expected architecture
359  * flag. Verification done covers data and header integrity and os/type/arch
360  * fields checking.
361  *
362  * If dataflash support is enabled routine checks for dataflash addresses
363  * and handles required dataflash reads.
364  *
365  * returns:
366  *     pointer to a ramdisk image header, if image was found and valid
367  *     otherwise, return NULL
368  */
369 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
370 						int verify)
371 {
372 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
373 
374 	if (!image_check_magic(rd_hdr)) {
375 		puts("Bad Magic Number\n");
376 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
377 		return NULL;
378 	}
379 
380 	if (!image_check_hcrc(rd_hdr)) {
381 		puts("Bad Header Checksum\n");
382 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
383 		return NULL;
384 	}
385 
386 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
387 	image_print_contents(rd_hdr);
388 
389 	if (verify) {
390 		puts("   Verifying Checksum ... ");
391 		if (!image_check_dcrc(rd_hdr)) {
392 			puts("Bad Data CRC\n");
393 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
394 			return NULL;
395 		}
396 		puts("OK\n");
397 	}
398 
399 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
400 
401 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
402 	    !image_check_arch(rd_hdr, arch) ||
403 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
404 		printf("No Linux %s Ramdisk Image\n",
405 				genimg_get_arch_name(arch));
406 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
407 		return NULL;
408 	}
409 
410 	return rd_hdr;
411 }
412 #endif
413 #endif /* !USE_HOSTCC */
414 
415 /*****************************************************************************/
416 /* Shared dual-format routines */
417 /*****************************************************************************/
418 #ifndef USE_HOSTCC
419 ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
420 ulong save_addr;			/* Default Save Address */
421 ulong save_size;			/* Default Save Size (in bytes) */
422 
423 static int on_loadaddr(const char *name, const char *value, enum env_op op,
424 	int flags)
425 {
426 	switch (op) {
427 	case env_op_create:
428 	case env_op_overwrite:
429 		load_addr = simple_strtoul(value, NULL, 16);
430 		break;
431 	default:
432 		break;
433 	}
434 
435 	return 0;
436 }
437 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
438 
439 ulong getenv_bootm_low(void)
440 {
441 	char *s = getenv("bootm_low");
442 	if (s) {
443 		ulong tmp = simple_strtoul(s, NULL, 16);
444 		return tmp;
445 	}
446 
447 #if defined(CONFIG_SYS_SDRAM_BASE)
448 	return CONFIG_SYS_SDRAM_BASE;
449 #elif defined(CONFIG_ARM)
450 	return gd->bd->bi_dram[0].start;
451 #else
452 	return 0;
453 #endif
454 }
455 
456 phys_size_t getenv_bootm_size(void)
457 {
458 	phys_size_t tmp;
459 	char *s = getenv("bootm_size");
460 	if (s) {
461 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
462 		return tmp;
463 	}
464 	s = getenv("bootm_low");
465 	if (s)
466 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
467 	else
468 		tmp = 0;
469 
470 
471 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
472 	return gd->bd->bi_dram[0].size - tmp;
473 #else
474 	return gd->bd->bi_memsize - tmp;
475 #endif
476 }
477 
478 phys_size_t getenv_bootm_mapsize(void)
479 {
480 	phys_size_t tmp;
481 	char *s = getenv("bootm_mapsize");
482 	if (s) {
483 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
484 		return tmp;
485 	}
486 
487 #if defined(CONFIG_SYS_BOOTMAPSZ)
488 	return CONFIG_SYS_BOOTMAPSZ;
489 #else
490 	return getenv_bootm_size();
491 #endif
492 }
493 
494 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
495 {
496 	if (to == from)
497 		return;
498 
499 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
500 	if (to > from) {
501 		from += len;
502 		to += len;
503 	}
504 	while (len > 0) {
505 		size_t tail = (len > chunksz) ? chunksz : len;
506 		WATCHDOG_RESET();
507 		if (to > from) {
508 			to -= tail;
509 			from -= tail;
510 		}
511 		memmove(to, from, tail);
512 		if (to < from) {
513 			to += tail;
514 			from += tail;
515 		}
516 		len -= tail;
517 	}
518 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
519 	memmove(to, from, len);
520 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
521 }
522 #endif /* !USE_HOSTCC */
523 
524 void genimg_print_size(uint32_t size)
525 {
526 #ifndef USE_HOSTCC
527 	printf("%d Bytes = ", size);
528 	print_size(size, "\n");
529 #else
530 	printf("%d Bytes = %.2f kB = %.2f MB\n",
531 			size, (double)size / 1.024e3,
532 			(double)size / 1.048576e6);
533 #endif
534 }
535 
536 #if IMAGE_ENABLE_TIMESTAMP
537 void genimg_print_time(time_t timestamp)
538 {
539 #ifndef USE_HOSTCC
540 	struct rtc_time tm;
541 
542 	rtc_to_tm(timestamp, &tm);
543 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
544 			tm.tm_year, tm.tm_mon, tm.tm_mday,
545 			tm.tm_hour, tm.tm_min, tm.tm_sec);
546 #else
547 	printf("%s", ctime(&timestamp));
548 #endif
549 }
550 #endif
551 
552 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
553 {
554 	for (; table->id >= 0; ++table) {
555 		if (table->id == id)
556 			return table;
557 	}
558 	return NULL;
559 }
560 
561 /**
562  * get_table_entry_name - translate entry id to long name
563  * @table: pointer to a translation table for entries of a specific type
564  * @msg: message to be returned when translation fails
565  * @id: entry id to be translated
566  *
567  * get_table_entry_name() will go over translation table trying to find
568  * entry that matches given id. If matching entry is found, its long
569  * name is returned to the caller.
570  *
571  * returns:
572  *     long entry name if translation succeeds
573  *     msg otherwise
574  */
575 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
576 {
577 	table = get_table_entry(table, id);
578 	if (!table)
579 		return msg;
580 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
581 	return table->lname;
582 #else
583 	return table->lname + gd->reloc_off;
584 #endif
585 }
586 
587 const char *genimg_get_os_name(uint8_t os)
588 {
589 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
590 }
591 
592 const char *genimg_get_arch_name(uint8_t arch)
593 {
594 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
595 					arch));
596 }
597 
598 const char *genimg_get_type_name(uint8_t type)
599 {
600 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
601 }
602 
603 const char *genimg_get_type_short_name(uint8_t type)
604 {
605 	const table_entry_t *table;
606 
607 	table = get_table_entry(uimage_type, type);
608 	if (!table)
609 		return "unknown";
610 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
611 	return table->sname;
612 #else
613 	return table->sname + gd->reloc_off;
614 #endif
615 }
616 
617 const char *genimg_get_comp_name(uint8_t comp)
618 {
619 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
620 					comp));
621 }
622 
623 /**
624  * get_table_entry_id - translate short entry name to id
625  * @table: pointer to a translation table for entries of a specific type
626  * @table_name: to be used in case of error
627  * @name: entry short name to be translated
628  *
629  * get_table_entry_id() will go over translation table trying to find
630  * entry that matches given short name. If matching entry is found,
631  * its id returned to the caller.
632  *
633  * returns:
634  *     entry id if translation succeeds
635  *     -1 otherwise
636  */
637 int get_table_entry_id(const table_entry_t *table,
638 		const char *table_name, const char *name)
639 {
640 	const table_entry_t *t;
641 
642 	for (t = table; t->id >= 0; ++t) {
643 #ifdef CONFIG_NEEDS_MANUAL_RELOC
644 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
645 #else
646 		if (t->sname && strcasecmp(t->sname, name) == 0)
647 #endif
648 			return (t->id);
649 	}
650 	debug("Invalid %s Type: %s\n", table_name, name);
651 
652 	return -1;
653 }
654 
655 int genimg_get_os_id(const char *name)
656 {
657 	return (get_table_entry_id(uimage_os, "OS", name));
658 }
659 
660 int genimg_get_arch_id(const char *name)
661 {
662 	return (get_table_entry_id(uimage_arch, "CPU", name));
663 }
664 
665 int genimg_get_type_id(const char *name)
666 {
667 	return (get_table_entry_id(uimage_type, "Image", name));
668 }
669 
670 int genimg_get_comp_id(const char *name)
671 {
672 	return (get_table_entry_id(uimage_comp, "Compression", name));
673 }
674 
675 #ifndef USE_HOSTCC
676 /**
677  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
678  *                              FIT strings
679  * @img_addr: a string might contain real image address
680  * @fit_uname_config: double pointer to a char, will hold pointer to a
681  *                    configuration unit name
682  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
683  *                    name
684  *
685  * genimg_get_kernel_addr_fit get the real kernel start address from a string
686  * which is normally the first argv of bootm/bootz
687  *
688  * returns:
689  *     kernel start address
690  */
691 ulong genimg_get_kernel_addr_fit(char * const img_addr,
692 			     const char **fit_uname_config,
693 			     const char **fit_uname_kernel)
694 {
695 	ulong kernel_addr;
696 
697 	/* find out kernel image address */
698 	if (!img_addr) {
699 		kernel_addr = load_addr;
700 		debug("*  kernel: default image load address = 0x%08lx\n",
701 		      load_addr);
702 #if defined(CONFIG_FIT)
703 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
704 				  fit_uname_config)) {
705 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
706 		      *fit_uname_config, kernel_addr);
707 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
708 				     fit_uname_kernel)) {
709 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
710 		      *fit_uname_kernel, kernel_addr);
711 #endif
712 	} else {
713 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
714 		debug("*  kernel: cmdline image address = 0x%08lx\n",
715 		      kernel_addr);
716 	}
717 
718 	return kernel_addr;
719 }
720 
721 /**
722  * genimg_get_kernel_addr() is the simple version of
723  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
724  */
725 ulong genimg_get_kernel_addr(char * const img_addr)
726 {
727 	const char *fit_uname_config = NULL;
728 	const char *fit_uname_kernel = NULL;
729 
730 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
731 					  &fit_uname_kernel);
732 }
733 
734 /**
735  * genimg_get_format - get image format type
736  * @img_addr: image start address
737  *
738  * genimg_get_format() checks whether provided address points to a valid
739  * legacy or FIT image.
740  *
741  * New uImage format and FDT blob are based on a libfdt. FDT blob
742  * may be passed directly or embedded in a FIT image. In both situations
743  * genimg_get_format() must be able to dectect libfdt header.
744  *
745  * returns:
746  *     image format type or IMAGE_FORMAT_INVALID if no image is present
747  */
748 int genimg_get_format(const void *img_addr)
749 {
750 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
751 	const image_header_t *hdr;
752 
753 	hdr = (const image_header_t *)img_addr;
754 	if (image_check_magic(hdr))
755 		return IMAGE_FORMAT_LEGACY;
756 #endif
757 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
758 	if (fdt_check_header(img_addr) == 0)
759 		return IMAGE_FORMAT_FIT;
760 #endif
761 #ifdef CONFIG_ANDROID_BOOT_IMAGE
762 	if (android_image_check_header(img_addr) == 0)
763 		return IMAGE_FORMAT_ANDROID;
764 #endif
765 
766 	return IMAGE_FORMAT_INVALID;
767 }
768 
769 /**
770  * genimg_get_image - get image from special storage (if necessary)
771  * @img_addr: image start address
772  *
773  * genimg_get_image() checks if provided image start address is located
774  * in a dataflash storage. If so, image is moved to a system RAM memory.
775  *
776  * returns:
777  *     image start address after possible relocation from special storage
778  */
779 ulong genimg_get_image(ulong img_addr)
780 {
781 	ulong ram_addr = img_addr;
782 
783 #ifdef CONFIG_HAS_DATAFLASH
784 	ulong h_size, d_size;
785 
786 	if (addr_dataflash(img_addr)) {
787 		void *buf;
788 
789 		/* ger RAM address */
790 		ram_addr = CONFIG_SYS_LOAD_ADDR;
791 
792 		/* get header size */
793 		h_size = image_get_header_size();
794 #if defined(CONFIG_FIT)
795 		if (sizeof(struct fdt_header) > h_size)
796 			h_size = sizeof(struct fdt_header);
797 #endif
798 
799 		/* read in header */
800 		debug("   Reading image header from dataflash address "
801 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
802 
803 		buf = map_sysmem(ram_addr, 0);
804 		read_dataflash(img_addr, h_size, buf);
805 
806 		/* get data size */
807 		switch (genimg_get_format(buf)) {
808 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
809 		case IMAGE_FORMAT_LEGACY:
810 			d_size = image_get_data_size(buf);
811 			debug("   Legacy format image found at 0x%08lx, "
812 					"size 0x%08lx\n",
813 					ram_addr, d_size);
814 			break;
815 #endif
816 #if defined(CONFIG_FIT)
817 		case IMAGE_FORMAT_FIT:
818 			d_size = fit_get_size(buf) - h_size;
819 			debug("   FIT/FDT format image found at 0x%08lx, "
820 					"size 0x%08lx\n",
821 					ram_addr, d_size);
822 			break;
823 #endif
824 		default:
825 			printf("   No valid image found at 0x%08lx\n",
826 				img_addr);
827 			return ram_addr;
828 		}
829 
830 		/* read in image data */
831 		debug("   Reading image remaining data from dataflash address "
832 			"%08lx to RAM address %08lx\n", img_addr + h_size,
833 			ram_addr + h_size);
834 
835 		read_dataflash(img_addr + h_size, d_size,
836 				(char *)(buf + h_size));
837 
838 	}
839 #endif /* CONFIG_HAS_DATAFLASH */
840 
841 	return ram_addr;
842 }
843 
844 /**
845  * fit_has_config - check if there is a valid FIT configuration
846  * @images: pointer to the bootm command headers structure
847  *
848  * fit_has_config() checks if there is a FIT configuration in use
849  * (if FTI support is present).
850  *
851  * returns:
852  *     0, no FIT support or no configuration found
853  *     1, configuration found
854  */
855 int genimg_has_config(bootm_headers_t *images)
856 {
857 #if defined(CONFIG_FIT)
858 	if (images->fit_uname_cfg)
859 		return 1;
860 #endif
861 	return 0;
862 }
863 
864 /**
865  * boot_get_ramdisk - main ramdisk handling routine
866  * @argc: command argument count
867  * @argv: command argument list
868  * @images: pointer to the bootm images structure
869  * @arch: expected ramdisk architecture
870  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
871  * @rd_end: pointer to a ulong variable, will hold ramdisk end
872  *
873  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
874  * Curently supported are the following ramdisk sources:
875  *      - multicomponent kernel/ramdisk image,
876  *      - commandline provided address of decicated ramdisk image.
877  *
878  * returns:
879  *     0, if ramdisk image was found and valid, or skiped
880  *     rd_start and rd_end are set to ramdisk start/end addresses if
881  *     ramdisk image is found and valid
882  *
883  *     1, if ramdisk image is found but corrupted, or invalid
884  *     rd_start and rd_end are set to 0 if no ramdisk exists
885  */
886 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
887 		uint8_t arch, ulong *rd_start, ulong *rd_end)
888 {
889 	ulong rd_addr, rd_load;
890 	ulong rd_data, rd_len;
891 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
892 	const image_header_t *rd_hdr;
893 #endif
894 	void *buf;
895 #ifdef CONFIG_SUPPORT_RAW_INITRD
896 	char *end;
897 #endif
898 #if defined(CONFIG_FIT)
899 	const char	*fit_uname_config = images->fit_uname_cfg;
900 	const char	*fit_uname_ramdisk = NULL;
901 	ulong		default_addr;
902 	int		rd_noffset;
903 #endif
904 	const char *select = NULL;
905 
906 	*rd_start = 0;
907 	*rd_end = 0;
908 
909 	if (argc >= 2)
910 		select = argv[1];
911 
912 	/*
913 	 * Look for a '-' which indicates to ignore the
914 	 * ramdisk argument
915 	 */
916 	if (select && strcmp(select, "-") ==  0) {
917 		debug("## Skipping init Ramdisk\n");
918 		rd_len = rd_data = 0;
919 	} else if (select || genimg_has_config(images)) {
920 #if defined(CONFIG_FIT)
921 		if (select) {
922 			/*
923 			 * If the init ramdisk comes from the FIT image and
924 			 * the FIT image address is omitted in the command
925 			 * line argument, try to use os FIT image address or
926 			 * default load address.
927 			 */
928 			if (images->fit_uname_os)
929 				default_addr = (ulong)images->fit_hdr_os;
930 			else
931 				default_addr = load_addr;
932 
933 			if (fit_parse_conf(select, default_addr,
934 					   &rd_addr, &fit_uname_config)) {
935 				debug("*  ramdisk: config '%s' from image at "
936 						"0x%08lx\n",
937 						fit_uname_config, rd_addr);
938 			} else if (fit_parse_subimage(select, default_addr,
939 						&rd_addr, &fit_uname_ramdisk)) {
940 				debug("*  ramdisk: subimage '%s' from image at "
941 						"0x%08lx\n",
942 						fit_uname_ramdisk, rd_addr);
943 			} else
944 #endif
945 			{
946 				rd_addr = simple_strtoul(select, NULL, 16);
947 				debug("*  ramdisk: cmdline image address = "
948 						"0x%08lx\n",
949 						rd_addr);
950 			}
951 #if defined(CONFIG_FIT)
952 		} else {
953 			/* use FIT configuration provided in first bootm
954 			 * command argument. If the property is not defined,
955 			 * quit silently.
956 			 */
957 			rd_addr = map_to_sysmem(images->fit_hdr_os);
958 			rd_noffset = fit_get_node_from_config(images,
959 					FIT_RAMDISK_PROP, rd_addr);
960 			if (rd_noffset == -ENOLINK)
961 				return 0;
962 			else if (rd_noffset < 0)
963 				return 1;
964 		}
965 #endif
966 
967 		/* copy from dataflash if needed */
968 		rd_addr = genimg_get_image(rd_addr);
969 
970 		/*
971 		 * Check if there is an initrd image at the
972 		 * address provided in the second bootm argument
973 		 * check image type, for FIT images get FIT node.
974 		 */
975 		buf = map_sysmem(rd_addr, 0);
976 		switch (genimg_get_format(buf)) {
977 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
978 		case IMAGE_FORMAT_LEGACY:
979 			printf("## Loading init Ramdisk from Legacy "
980 					"Image at %08lx ...\n", rd_addr);
981 
982 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
983 			rd_hdr = image_get_ramdisk(rd_addr, arch,
984 							images->verify);
985 
986 			if (rd_hdr == NULL)
987 				return 1;
988 
989 			rd_data = image_get_data(rd_hdr);
990 			rd_len = image_get_data_size(rd_hdr);
991 			rd_load = image_get_load(rd_hdr);
992 			break;
993 #endif
994 #if defined(CONFIG_FIT)
995 		case IMAGE_FORMAT_FIT:
996 			rd_noffset = fit_image_load(images,
997 					rd_addr, &fit_uname_ramdisk,
998 					&fit_uname_config, arch,
999 					IH_TYPE_RAMDISK,
1000 					BOOTSTAGE_ID_FIT_RD_START,
1001 					FIT_LOAD_OPTIONAL_NON_ZERO,
1002 					&rd_data, &rd_len);
1003 			if (rd_noffset < 0)
1004 				return 1;
1005 
1006 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1007 			images->fit_uname_rd = fit_uname_ramdisk;
1008 			images->fit_noffset_rd = rd_noffset;
1009 			break;
1010 #endif
1011 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1012 		case IMAGE_FORMAT_ANDROID:
1013 			android_image_get_ramdisk((void *)images->os.start,
1014 				&rd_data, &rd_len);
1015 			break;
1016 #endif
1017 		default:
1018 #ifdef CONFIG_SUPPORT_RAW_INITRD
1019 			end = NULL;
1020 			if (select)
1021 				end = strchr(select, ':');
1022 			if (end) {
1023 				rd_len = simple_strtoul(++end, NULL, 16);
1024 				rd_data = rd_addr;
1025 			} else
1026 #endif
1027 			{
1028 				puts("Wrong Ramdisk Image Format\n");
1029 				rd_data = rd_len = rd_load = 0;
1030 				return 1;
1031 			}
1032 		}
1033 	} else if (images->legacy_hdr_valid &&
1034 			image_check_type(&images->legacy_hdr_os_copy,
1035 						IH_TYPE_MULTI)) {
1036 
1037 		/*
1038 		 * Now check if we have a legacy mult-component image,
1039 		 * get second entry data start address and len.
1040 		 */
1041 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1042 		printf("## Loading init Ramdisk from multi component "
1043 				"Legacy Image at %08lx ...\n",
1044 				(ulong)images->legacy_hdr_os);
1045 
1046 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1047 	} else {
1048 		/*
1049 		 * no initrd image
1050 		 */
1051 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1052 		rd_len = rd_data = 0;
1053 	}
1054 
1055 	if (!rd_data) {
1056 		debug("## No init Ramdisk\n");
1057 	} else {
1058 		*rd_start = rd_data;
1059 		*rd_end = rd_data + rd_len;
1060 	}
1061 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1062 			*rd_start, *rd_end);
1063 
1064 	return 0;
1065 }
1066 
1067 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1068 /**
1069  * boot_ramdisk_high - relocate init ramdisk
1070  * @lmb: pointer to lmb handle, will be used for memory mgmt
1071  * @rd_data: ramdisk data start address
1072  * @rd_len: ramdisk data length
1073  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1074  *      start address (after possible relocation)
1075  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1076  *      end address (after possible relocation)
1077  *
1078  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1079  * variable and if requested ramdisk data is moved to a specified location.
1080  *
1081  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1082  * start/end addresses if ramdisk image start and len were provided,
1083  * otherwise set initrd_start and initrd_end set to zeros.
1084  *
1085  * returns:
1086  *      0 - success
1087  *     -1 - failure
1088  */
1089 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1090 		  ulong *initrd_start, ulong *initrd_end)
1091 {
1092 	char	*s;
1093 	ulong	initrd_high;
1094 	int	initrd_copy_to_ram = 1;
1095 
1096 	if ((s = getenv("initrd_high")) != NULL) {
1097 		/* a value of "no" or a similar string will act like 0,
1098 		 * turning the "load high" feature off. This is intentional.
1099 		 */
1100 		initrd_high = simple_strtoul(s, NULL, 16);
1101 		if (initrd_high == ~0)
1102 			initrd_copy_to_ram = 0;
1103 	} else {
1104 		/* not set, no restrictions to load high */
1105 		initrd_high = ~0;
1106 	}
1107 
1108 
1109 #ifdef CONFIG_LOGBUFFER
1110 	/* Prevent initrd from overwriting logbuffer */
1111 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1112 #endif
1113 
1114 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1115 			initrd_high, initrd_copy_to_ram);
1116 
1117 	if (rd_data) {
1118 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1119 			debug("   in-place initrd\n");
1120 			*initrd_start = rd_data;
1121 			*initrd_end = rd_data + rd_len;
1122 			lmb_reserve(lmb, rd_data, rd_len);
1123 		} else {
1124 			if (initrd_high)
1125 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1126 						rd_len, 0x1000, initrd_high);
1127 			else
1128 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1129 								 0x1000);
1130 
1131 			if (*initrd_start == 0) {
1132 				puts("ramdisk - allocation error\n");
1133 				goto error;
1134 			}
1135 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1136 
1137 			*initrd_end = *initrd_start + rd_len;
1138 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1139 					*initrd_start, *initrd_end);
1140 
1141 			memmove_wd((void *)*initrd_start,
1142 					(void *)rd_data, rd_len, CHUNKSZ);
1143 
1144 #ifdef CONFIG_MP
1145 			/*
1146 			 * Ensure the image is flushed to memory to handle
1147 			 * AMP boot scenarios in which we might not be
1148 			 * HW cache coherent
1149 			 */
1150 			flush_cache((unsigned long)*initrd_start, rd_len);
1151 #endif
1152 			puts("OK\n");
1153 		}
1154 	} else {
1155 		*initrd_start = 0;
1156 		*initrd_end = 0;
1157 	}
1158 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1159 			*initrd_start, *initrd_end);
1160 
1161 	return 0;
1162 
1163 error:
1164 	return -1;
1165 }
1166 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1167 
1168 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1169 		   ulong *setup_start, ulong *setup_len)
1170 {
1171 #if defined(CONFIG_FIT)
1172 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1173 #else
1174 	return -ENOENT;
1175 #endif
1176 }
1177 
1178 #if defined(CONFIG_FIT)
1179 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1180 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1181 {
1182 	/*
1183 	 * These variables are used to hold the current image location
1184 	 * in system memory.
1185 	 */
1186 	ulong tmp_img_addr;
1187 	/*
1188 	 * These two variables are requirements for fit_image_load, but
1189 	 * their values are not used
1190 	 */
1191 	ulong img_data, img_len;
1192 	void *buf;
1193 	int loadables_index;
1194 	int conf_noffset;
1195 	int fit_img_result;
1196 	char *uname;
1197 
1198 	/* Check to see if the images struct has a FIT configuration */
1199 	if (!genimg_has_config(images)) {
1200 		debug("## FIT configuration was not specified\n");
1201 		return 0;
1202 	}
1203 
1204 	/*
1205 	 * Obtain the os FIT header from the images struct
1206 	 * copy from dataflash if needed
1207 	 */
1208 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1209 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1210 	buf = map_sysmem(tmp_img_addr, 0);
1211 	/*
1212 	 * Check image type. For FIT images get FIT node
1213 	 * and attempt to locate a generic binary.
1214 	 */
1215 	switch (genimg_get_format(buf)) {
1216 	case IMAGE_FORMAT_FIT:
1217 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1218 
1219 		for (loadables_index = 0;
1220 		     fdt_get_string_index(buf, conf_noffset,
1221 				FIT_LOADABLE_PROP,
1222 				loadables_index,
1223 				(const char **)&uname) == 0;
1224 		     loadables_index++)
1225 		{
1226 			fit_img_result = fit_image_load(images,
1227 				tmp_img_addr,
1228 				(const char **)&uname,
1229 				&(images->fit_uname_cfg), arch,
1230 				IH_TYPE_LOADABLE,
1231 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1232 				FIT_LOAD_OPTIONAL_NON_ZERO,
1233 				&img_data, &img_len);
1234 			if (fit_img_result < 0) {
1235 				/* Something went wrong! */
1236 				return fit_img_result;
1237 			}
1238 		}
1239 		break;
1240 	default:
1241 		printf("The given image format is not supported (corrupt?)\n");
1242 		return 1;
1243 	}
1244 
1245 	return 0;
1246 }
1247 #endif
1248 
1249 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1250 /**
1251  * boot_get_cmdline - allocate and initialize kernel cmdline
1252  * @lmb: pointer to lmb handle, will be used for memory mgmt
1253  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1254  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1255  *
1256  * boot_get_cmdline() allocates space for kernel command line below
1257  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1258  * variable is present its contents is copied to allocated kernel
1259  * command line.
1260  *
1261  * returns:
1262  *      0 - success
1263  *     -1 - failure
1264  */
1265 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1266 {
1267 	char *cmdline;
1268 	char *s;
1269 
1270 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1271 				getenv_bootm_mapsize() + getenv_bootm_low());
1272 
1273 	if (cmdline == NULL)
1274 		return -1;
1275 
1276 	if ((s = getenv("bootargs")) == NULL)
1277 		s = "";
1278 
1279 	strcpy(cmdline, s);
1280 
1281 	*cmd_start = (ulong) & cmdline[0];
1282 	*cmd_end = *cmd_start + strlen(cmdline);
1283 
1284 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1285 
1286 	return 0;
1287 }
1288 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1289 
1290 #ifdef CONFIG_SYS_BOOT_GET_KBD
1291 /**
1292  * boot_get_kbd - allocate and initialize kernel copy of board info
1293  * @lmb: pointer to lmb handle, will be used for memory mgmt
1294  * @kbd: double pointer to board info data
1295  *
1296  * boot_get_kbd() allocates space for kernel copy of board info data below
1297  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1298  * with the current u-boot board info data.
1299  *
1300  * returns:
1301  *      0 - success
1302  *     -1 - failure
1303  */
1304 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1305 {
1306 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1307 				getenv_bootm_mapsize() + getenv_bootm_low());
1308 	if (*kbd == NULL)
1309 		return -1;
1310 
1311 	**kbd = *(gd->bd);
1312 
1313 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1314 
1315 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1316 	do_bdinfo(NULL, 0, 0, NULL);
1317 #endif
1318 
1319 	return 0;
1320 }
1321 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1322 
1323 #ifdef CONFIG_LMB
1324 int image_setup_linux(bootm_headers_t *images)
1325 {
1326 	ulong of_size = images->ft_len;
1327 	char **of_flat_tree = &images->ft_addr;
1328 	ulong *initrd_start = &images->initrd_start;
1329 	ulong *initrd_end = &images->initrd_end;
1330 	struct lmb *lmb = &images->lmb;
1331 	ulong rd_len;
1332 	int ret;
1333 
1334 	if (IMAGE_ENABLE_OF_LIBFDT)
1335 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1336 
1337 	if (IMAGE_BOOT_GET_CMDLINE) {
1338 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1339 				&images->cmdline_end);
1340 		if (ret) {
1341 			puts("ERROR with allocation of cmdline\n");
1342 			return ret;
1343 		}
1344 	}
1345 	if (IMAGE_ENABLE_RAMDISK_HIGH) {
1346 		rd_len = images->rd_end - images->rd_start;
1347 		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1348 				initrd_start, initrd_end);
1349 		if (ret)
1350 			return ret;
1351 	}
1352 
1353 	if (IMAGE_ENABLE_OF_LIBFDT) {
1354 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1355 		if (ret)
1356 			return ret;
1357 	}
1358 
1359 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1360 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1361 		if (ret)
1362 			return ret;
1363 	}
1364 
1365 	return 0;
1366 }
1367 #endif /* CONFIG_LMB */
1368 #endif /* !USE_HOSTCC */
1369