xref: /openbmc/u-boot/common/image.c (revision 067716ba)
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 #include <fpga.h>
36 #include <xilinx.h>
37 #endif
38 
39 #include <u-boot/md5.h>
40 #include <u-boot/sha1.h>
41 #include <asm/errno.h>
42 #include <asm/io.h>
43 
44 #ifdef CONFIG_CMD_BDI
45 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
46 #endif
47 
48 DECLARE_GLOBAL_DATA_PTR;
49 
50 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
51 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
52 						int verify);
53 #endif
54 #else
55 #include "mkimage.h"
56 #include <u-boot/md5.h>
57 #include <time.h>
58 #include <image.h>
59 
60 #ifndef __maybe_unused
61 # define __maybe_unused		/* unimplemented */
62 #endif
63 #endif /* !USE_HOSTCC*/
64 
65 #include <u-boot/crc.h>
66 
67 #ifndef CONFIG_SYS_BARGSIZE
68 #define CONFIG_SYS_BARGSIZE 512
69 #endif
70 
71 static const table_entry_t uimage_arch[] = {
72 	{	IH_ARCH_INVALID,	"invalid",	"Invalid ARCH",	},
73 	{	IH_ARCH_ALPHA,		"alpha",	"Alpha",	},
74 	{	IH_ARCH_ARM,		"arm",		"ARM",		},
75 	{	IH_ARCH_I386,		"x86",		"Intel x86",	},
76 	{	IH_ARCH_IA64,		"ia64",		"IA64",		},
77 	{	IH_ARCH_M68K,		"m68k",		"M68K",		},
78 	{	IH_ARCH_MICROBLAZE,	"microblaze",	"MicroBlaze",	},
79 	{	IH_ARCH_MIPS,		"mips",		"MIPS",		},
80 	{	IH_ARCH_MIPS64,		"mips64",	"MIPS 64 Bit",	},
81 	{	IH_ARCH_NIOS2,		"nios2",	"NIOS II",	},
82 	{	IH_ARCH_PPC,		"powerpc",	"PowerPC",	},
83 	{	IH_ARCH_PPC,		"ppc",		"PowerPC",	},
84 	{	IH_ARCH_S390,		"s390",		"IBM S390",	},
85 	{	IH_ARCH_SH,		"sh",		"SuperH",	},
86 	{	IH_ARCH_SPARC,		"sparc",	"SPARC",	},
87 	{	IH_ARCH_SPARC64,	"sparc64",	"SPARC 64 Bit",	},
88 	{	IH_ARCH_BLACKFIN,	"blackfin",	"Blackfin",	},
89 	{	IH_ARCH_AVR32,		"avr32",	"AVR32",	},
90 	{	IH_ARCH_NDS32,		"nds32",	"NDS32",	},
91 	{	IH_ARCH_OPENRISC,	"or1k",		"OpenRISC 1000",},
92 	{	IH_ARCH_SANDBOX,	"sandbox",	"Sandbox",	},
93 	{	IH_ARCH_ARM64,		"arm64",	"AArch64",	},
94 	{	IH_ARCH_ARC,		"arc",		"ARC",		},
95 	{	IH_ARCH_X86_64,		"x86_64",	"AMD x86_64",	},
96 	{	IH_ARCH_XTENSA,		"xtensa",	"Xtensa",	},
97 	{	-1,			"",		"",		},
98 };
99 
100 static const table_entry_t uimage_os[] = {
101 	{	IH_OS_INVALID,	"invalid",	"Invalid OS",		},
102 	{	IH_OS_LINUX,	"linux",	"Linux",		},
103 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
104 	{	IH_OS_LYNXOS,	"lynxos",	"LynxOS",		},
105 #endif
106 	{	IH_OS_NETBSD,	"netbsd",	"NetBSD",		},
107 	{	IH_OS_OSE,	"ose",		"Enea OSE",		},
108 	{	IH_OS_PLAN9,	"plan9",	"Plan 9",		},
109 	{	IH_OS_RTEMS,	"rtems",	"RTEMS",		},
110 	{	IH_OS_U_BOOT,	"u-boot",	"U-Boot",		},
111 	{	IH_OS_VXWORKS,	"vxworks",	"VxWorks",		},
112 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
113 	{	IH_OS_QNX,	"qnx",		"QNX",			},
114 #endif
115 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
116 	{	IH_OS_INTEGRITY,"integrity",	"INTEGRITY",		},
117 #endif
118 #ifdef USE_HOSTCC
119 	{	IH_OS_4_4BSD,	"4_4bsd",	"4_4BSD",		},
120 	{	IH_OS_DELL,	"dell",		"Dell",			},
121 	{	IH_OS_ESIX,	"esix",		"Esix",			},
122 	{	IH_OS_FREEBSD,	"freebsd",	"FreeBSD",		},
123 	{	IH_OS_IRIX,	"irix",		"Irix",			},
124 	{	IH_OS_NCR,	"ncr",		"NCR",			},
125 	{	IH_OS_OPENBSD,	"openbsd",	"OpenBSD",		},
126 	{	IH_OS_PSOS,	"psos",		"pSOS",			},
127 	{	IH_OS_SCO,	"sco",		"SCO",			},
128 	{	IH_OS_SOLARIS,	"solaris",	"Solaris",		},
129 	{	IH_OS_SVR4,	"svr4",		"SVR4",			},
130 #endif
131 #if defined(CONFIG_BOOTM_OPENRTOS) || defined(USE_HOSTCC)
132 	{	IH_OS_OPENRTOS,	"openrtos",	"OpenRTOS",		},
133 #endif
134 
135 	{	-1,		"",		"",			},
136 };
137 
138 static const table_entry_t uimage_type[] = {
139 	{	IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
140 	{	IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",	},
141 	{	IH_TYPE_FIRMWARE,   "firmware",	  "Firmware",		},
142 	{	IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",	},
143 	{	IH_TYPE_GPIMAGE,    "gpimage",    "TI Keystone SPL Image",},
144 	{	IH_TYPE_KERNEL,	    "kernel",	  "Kernel Image",	},
145 	{	IH_TYPE_KERNEL_NOLOAD, "kernel_noload",  "Kernel Image (no loading done)", },
146 	{	IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
147 	{	IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
148 	{	IH_TYPE_INVALID,    "invalid",	  "Invalid Image",	},
149 	{	IH_TYPE_MULTI,	    "multi",	  "Multi-File Image",	},
150 	{	IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
151 	{	IH_TYPE_PBLIMAGE,   "pblimage",   "Freescale PBL Boot Image",},
152 	{	IH_TYPE_RAMDISK,    "ramdisk",	  "RAMDisk Image",	},
153 	{	IH_TYPE_SCRIPT,     "script",	  "Script",		},
154 	{	IH_TYPE_SOCFPGAIMAGE, "socfpgaimage", "Altera SOCFPGA preloader",},
155 	{	IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
156 	{	IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
157 	{	IH_TYPE_MXSIMAGE,   "mxsimage",   "Freescale MXS Boot Image",},
158 	{	IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",},
159 	{	IH_TYPE_X86_SETUP,  "x86_setup",  "x86 setup.bin",    },
160 	{	IH_TYPE_LPC32XXIMAGE, "lpc32xximage",  "LPC32XX Boot Image", },
161 	{	IH_TYPE_RKIMAGE,    "rkimage",    "Rockchip Boot Image" },
162 	{	IH_TYPE_RKSD,       "rksd",       "Rockchip SD Boot Image" },
163 	{	IH_TYPE_RKSPI,      "rkspi",      "Rockchip SPI Boot Image" },
164 	{	IH_TYPE_ZYNQIMAGE,  "zynqimage",  "Xilinx Zynq Boot Image" },
165 	{	IH_TYPE_ZYNQMPIMAGE, "zynqmpimage", "Xilinx ZynqMP Boot Image" },
166 	{	IH_TYPE_FPGA,       "fpga",       "FPGA Image" },
167 	{	-1,		    "",		  "",			},
168 };
169 
170 static const table_entry_t uimage_comp[] = {
171 	{	IH_COMP_NONE,	"none",		"uncompressed",		},
172 	{	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	},
173 	{	IH_COMP_GZIP,	"gzip",		"gzip compressed",	},
174 	{	IH_COMP_LZMA,	"lzma",		"lzma compressed",	},
175 	{	IH_COMP_LZO,	"lzo",		"lzo compressed",	},
176 	{	IH_COMP_LZ4,	"lz4",		"lz4 compressed",	},
177 	{	-1,		"",		"",			},
178 };
179 
180 struct table_info {
181 	const char *desc;
182 	int count;
183 	const table_entry_t *table;
184 };
185 
186 static const struct table_info table_info[IH_COUNT] = {
187 	{ "architecture", IH_ARCH_COUNT, uimage_arch },
188 	{ "compression", IH_COMP_COUNT, uimage_comp },
189 	{ "operating system", IH_OS_COUNT, uimage_os },
190 	{ "image type", IH_TYPE_COUNT, uimage_type },
191 };
192 
193 /*****************************************************************************/
194 /* Legacy format routines */
195 /*****************************************************************************/
196 int image_check_hcrc(const image_header_t *hdr)
197 {
198 	ulong hcrc;
199 	ulong len = image_get_header_size();
200 	image_header_t header;
201 
202 	/* Copy header so we can blank CRC field for re-calculation */
203 	memmove(&header, (char *)hdr, image_get_header_size());
204 	image_set_hcrc(&header, 0);
205 
206 	hcrc = crc32(0, (unsigned char *)&header, len);
207 
208 	return (hcrc == image_get_hcrc(hdr));
209 }
210 
211 int image_check_dcrc(const image_header_t *hdr)
212 {
213 	ulong data = image_get_data(hdr);
214 	ulong len = image_get_data_size(hdr);
215 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
216 
217 	return (dcrc == image_get_dcrc(hdr));
218 }
219 
220 /**
221  * image_multi_count - get component (sub-image) count
222  * @hdr: pointer to the header of the multi component image
223  *
224  * image_multi_count() returns number of components in a multi
225  * component image.
226  *
227  * Note: no checking of the image type is done, caller must pass
228  * a valid multi component image.
229  *
230  * returns:
231  *     number of components
232  */
233 ulong image_multi_count(const image_header_t *hdr)
234 {
235 	ulong i, count = 0;
236 	uint32_t *size;
237 
238 	/* get start of the image payload, which in case of multi
239 	 * component images that points to a table of component sizes */
240 	size = (uint32_t *)image_get_data(hdr);
241 
242 	/* count non empty slots */
243 	for (i = 0; size[i]; ++i)
244 		count++;
245 
246 	return count;
247 }
248 
249 /**
250  * image_multi_getimg - get component data address and size
251  * @hdr: pointer to the header of the multi component image
252  * @idx: index of the requested component
253  * @data: pointer to a ulong variable, will hold component data address
254  * @len: pointer to a ulong variable, will hold component size
255  *
256  * image_multi_getimg() returns size and data address for the requested
257  * component in a multi component image.
258  *
259  * Note: no checking of the image type is done, caller must pass
260  * a valid multi component image.
261  *
262  * returns:
263  *     data address and size of the component, if idx is valid
264  *     0 in data and len, if idx is out of range
265  */
266 void image_multi_getimg(const image_header_t *hdr, ulong idx,
267 			ulong *data, ulong *len)
268 {
269 	int i;
270 	uint32_t *size;
271 	ulong offset, count, img_data;
272 
273 	/* get number of component */
274 	count = image_multi_count(hdr);
275 
276 	/* get start of the image payload, which in case of multi
277 	 * component images that points to a table of component sizes */
278 	size = (uint32_t *)image_get_data(hdr);
279 
280 	/* get address of the proper component data start, which means
281 	 * skipping sizes table (add 1 for last, null entry) */
282 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
283 
284 	if (idx < count) {
285 		*len = uimage_to_cpu(size[idx]);
286 		offset = 0;
287 
288 		/* go over all indices preceding requested component idx */
289 		for (i = 0; i < idx; i++) {
290 			/* add up i-th component size, rounding up to 4 bytes */
291 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
292 		}
293 
294 		/* calculate idx-th component data address */
295 		*data = img_data + offset;
296 	} else {
297 		*len = 0;
298 		*data = 0;
299 	}
300 }
301 
302 static void image_print_type(const image_header_t *hdr)
303 {
304 	const char __maybe_unused *os, *arch, *type, *comp;
305 
306 	os = genimg_get_os_name(image_get_os(hdr));
307 	arch = genimg_get_arch_name(image_get_arch(hdr));
308 	type = genimg_get_type_name(image_get_type(hdr));
309 	comp = genimg_get_comp_name(image_get_comp(hdr));
310 
311 	printf("%s %s %s (%s)\n", arch, os, type, comp);
312 }
313 
314 /**
315  * image_print_contents - prints out the contents of the legacy format image
316  * @ptr: pointer to the legacy format image header
317  * @p: pointer to prefix string
318  *
319  * image_print_contents() formats a multi line legacy image contents description.
320  * The routine prints out all header fields followed by the size/offset data
321  * for MULTI/SCRIPT images.
322  *
323  * returns:
324  *     no returned results
325  */
326 void image_print_contents(const void *ptr)
327 {
328 	const image_header_t *hdr = (const image_header_t *)ptr;
329 	const char __maybe_unused *p;
330 
331 	p = IMAGE_INDENT_STRING;
332 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
333 	if (IMAGE_ENABLE_TIMESTAMP) {
334 		printf("%sCreated:      ", p);
335 		genimg_print_time((time_t)image_get_time(hdr));
336 	}
337 	printf("%sImage Type:   ", p);
338 	image_print_type(hdr);
339 	printf("%sData Size:    ", p);
340 	genimg_print_size(image_get_data_size(hdr));
341 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
342 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
343 
344 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
345 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
346 		int i;
347 		ulong data, len;
348 		ulong count = image_multi_count(hdr);
349 
350 		printf("%sContents:\n", p);
351 		for (i = 0; i < count; i++) {
352 			image_multi_getimg(hdr, i, &data, &len);
353 
354 			printf("%s   Image %d: ", p, i);
355 			genimg_print_size(len);
356 
357 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
358 				/*
359 				 * the user may need to know offsets
360 				 * if planning to do something with
361 				 * multiple files
362 				 */
363 				printf("%s    Offset = 0x%08lx\n", p, data);
364 			}
365 		}
366 	}
367 }
368 
369 
370 #ifndef USE_HOSTCC
371 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
372 /**
373  * image_get_ramdisk - get and verify ramdisk image
374  * @rd_addr: ramdisk image start address
375  * @arch: expected ramdisk architecture
376  * @verify: checksum verification flag
377  *
378  * image_get_ramdisk() returns a pointer to the verified ramdisk image
379  * header. Routine receives image start address and expected architecture
380  * flag. Verification done covers data and header integrity and os/type/arch
381  * fields checking.
382  *
383  * If dataflash support is enabled routine checks for dataflash addresses
384  * and handles required dataflash reads.
385  *
386  * returns:
387  *     pointer to a ramdisk image header, if image was found and valid
388  *     otherwise, return NULL
389  */
390 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
391 						int verify)
392 {
393 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
394 
395 	if (!image_check_magic(rd_hdr)) {
396 		puts("Bad Magic Number\n");
397 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
398 		return NULL;
399 	}
400 
401 	if (!image_check_hcrc(rd_hdr)) {
402 		puts("Bad Header Checksum\n");
403 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
404 		return NULL;
405 	}
406 
407 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
408 	image_print_contents(rd_hdr);
409 
410 	if (verify) {
411 		puts("   Verifying Checksum ... ");
412 		if (!image_check_dcrc(rd_hdr)) {
413 			puts("Bad Data CRC\n");
414 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
415 			return NULL;
416 		}
417 		puts("OK\n");
418 	}
419 
420 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
421 
422 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
423 	    !image_check_arch(rd_hdr, arch) ||
424 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
425 		printf("No Linux %s Ramdisk Image\n",
426 				genimg_get_arch_name(arch));
427 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
428 		return NULL;
429 	}
430 
431 	return rd_hdr;
432 }
433 #endif
434 #endif /* !USE_HOSTCC */
435 
436 /*****************************************************************************/
437 /* Shared dual-format routines */
438 /*****************************************************************************/
439 #ifndef USE_HOSTCC
440 ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
441 ulong save_addr;			/* Default Save Address */
442 ulong save_size;			/* Default Save Size (in bytes) */
443 
444 static int on_loadaddr(const char *name, const char *value, enum env_op op,
445 	int flags)
446 {
447 	switch (op) {
448 	case env_op_create:
449 	case env_op_overwrite:
450 		load_addr = simple_strtoul(value, NULL, 16);
451 		break;
452 	default:
453 		break;
454 	}
455 
456 	return 0;
457 }
458 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
459 
460 ulong getenv_bootm_low(void)
461 {
462 	char *s = getenv("bootm_low");
463 	if (s) {
464 		ulong tmp = simple_strtoul(s, NULL, 16);
465 		return tmp;
466 	}
467 
468 #if defined(CONFIG_SYS_SDRAM_BASE)
469 	return CONFIG_SYS_SDRAM_BASE;
470 #elif defined(CONFIG_ARM)
471 	return gd->bd->bi_dram[0].start;
472 #else
473 	return 0;
474 #endif
475 }
476 
477 phys_size_t getenv_bootm_size(void)
478 {
479 	phys_size_t tmp, size;
480 	phys_addr_t start;
481 	char *s = getenv("bootm_size");
482 	if (s) {
483 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
484 		return tmp;
485 	}
486 
487 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
488 	start = gd->bd->bi_dram[0].start;
489 	size = gd->bd->bi_dram[0].size;
490 #else
491 	start = gd->bd->bi_memstart;
492 	size = gd->bd->bi_memsize;
493 #endif
494 
495 	s = getenv("bootm_low");
496 	if (s)
497 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
498 	else
499 		tmp = start;
500 
501 	return size - (tmp - start);
502 }
503 
504 phys_size_t getenv_bootm_mapsize(void)
505 {
506 	phys_size_t tmp;
507 	char *s = getenv("bootm_mapsize");
508 	if (s) {
509 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
510 		return tmp;
511 	}
512 
513 #if defined(CONFIG_SYS_BOOTMAPSZ)
514 	return CONFIG_SYS_BOOTMAPSZ;
515 #else
516 	return getenv_bootm_size();
517 #endif
518 }
519 
520 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
521 {
522 	if (to == from)
523 		return;
524 
525 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
526 	if (to > from) {
527 		from += len;
528 		to += len;
529 	}
530 	while (len > 0) {
531 		size_t tail = (len > chunksz) ? chunksz : len;
532 		WATCHDOG_RESET();
533 		if (to > from) {
534 			to -= tail;
535 			from -= tail;
536 		}
537 		memmove(to, from, tail);
538 		if (to < from) {
539 			to += tail;
540 			from += tail;
541 		}
542 		len -= tail;
543 	}
544 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
545 	memmove(to, from, len);
546 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
547 }
548 #endif /* !USE_HOSTCC */
549 
550 void genimg_print_size(uint32_t size)
551 {
552 #ifndef USE_HOSTCC
553 	printf("%d Bytes = ", size);
554 	print_size(size, "\n");
555 #else
556 	printf("%d Bytes = %.2f kB = %.2f MB\n",
557 			size, (double)size / 1.024e3,
558 			(double)size / 1.048576e6);
559 #endif
560 }
561 
562 #if IMAGE_ENABLE_TIMESTAMP
563 void genimg_print_time(time_t timestamp)
564 {
565 #ifndef USE_HOSTCC
566 	struct rtc_time tm;
567 
568 	rtc_to_tm(timestamp, &tm);
569 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
570 			tm.tm_year, tm.tm_mon, tm.tm_mday,
571 			tm.tm_hour, tm.tm_min, tm.tm_sec);
572 #else
573 	printf("%s", ctime(&timestamp));
574 #endif
575 }
576 #endif
577 
578 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
579 {
580 	for (; table->id >= 0; ++table) {
581 		if (table->id == id)
582 			return table;
583 	}
584 	return NULL;
585 }
586 
587 static const char *unknown_msg(enum ih_category category)
588 {
589 	static char msg[30];
590 
591 	strcpy(msg, "Unknown ");
592 	strcat(msg, table_info[category].desc);
593 
594 	return msg;
595 }
596 
597 /**
598  * get_cat_table_entry_name - translate entry id to long name
599  * @category: category to look up (enum ih_category)
600  * @id: entry id to be translated
601  *
602  * This will scan the translation table trying to find the entry that matches
603  * the given id.
604  *
605  * @retur long entry name if translation succeeds; error string on failure
606  */
607 const char *genimg_get_cat_name(enum ih_category category, uint id)
608 {
609 	const table_entry_t *entry;
610 
611 	entry = get_table_entry(table_info[category].table, id);
612 	if (!entry)
613 		return unknown_msg(category);
614 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
615 	return entry->lname;
616 #else
617 	return entry->lname + gd->reloc_off;
618 #endif
619 }
620 
621 /**
622  * get_cat_table_entry_short_name - translate entry id to short name
623  * @category: category to look up (enum ih_category)
624  * @id: entry id to be translated
625  *
626  * This will scan the translation table trying to find the entry that matches
627  * the given id.
628  *
629  * @retur short entry name if translation succeeds; error string on failure
630  */
631 const char *genimg_get_cat_short_name(enum ih_category category, uint id)
632 {
633 	const table_entry_t *entry;
634 
635 	entry = get_table_entry(table_info[category].table, id);
636 	if (!entry)
637 		return unknown_msg(category);
638 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
639 	return entry->sname;
640 #else
641 	return entry->sname + gd->reloc_off;
642 #endif
643 }
644 
645 int genimg_get_cat_count(enum ih_category category)
646 {
647 	return table_info[category].count;
648 }
649 
650 const char *genimg_get_cat_desc(enum ih_category category)
651 {
652 	return table_info[category].desc;
653 }
654 
655 /**
656  * get_table_entry_name - translate entry id to long name
657  * @table: pointer to a translation table for entries of a specific type
658  * @msg: message to be returned when translation fails
659  * @id: entry id to be translated
660  *
661  * get_table_entry_name() will go over translation table trying to find
662  * entry that matches given id. If matching entry is found, its long
663  * name is returned to the caller.
664  *
665  * returns:
666  *     long entry name if translation succeeds
667  *     msg otherwise
668  */
669 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
670 {
671 	table = get_table_entry(table, id);
672 	if (!table)
673 		return msg;
674 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
675 	return table->lname;
676 #else
677 	return table->lname + gd->reloc_off;
678 #endif
679 }
680 
681 const char *genimg_get_os_name(uint8_t os)
682 {
683 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
684 }
685 
686 const char *genimg_get_arch_name(uint8_t arch)
687 {
688 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
689 					arch));
690 }
691 
692 const char *genimg_get_type_name(uint8_t type)
693 {
694 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
695 }
696 
697 static const char *genimg_get_short_name(const table_entry_t *table, int val)
698 {
699 	table = get_table_entry(table, val);
700 	if (!table)
701 		return "unknown";
702 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
703 	return table->sname;
704 #else
705 	return table->sname + gd->reloc_off;
706 #endif
707 }
708 
709 const char *genimg_get_type_short_name(uint8_t type)
710 {
711 	return genimg_get_short_name(uimage_type, type);
712 }
713 
714 const char *genimg_get_comp_name(uint8_t comp)
715 {
716 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
717 					comp));
718 }
719 
720 const char *genimg_get_comp_short_name(uint8_t comp)
721 {
722 	return genimg_get_short_name(uimage_comp, comp);
723 }
724 
725 const char *genimg_get_os_short_name(uint8_t os)
726 {
727 	return genimg_get_short_name(uimage_os, os);
728 }
729 
730 const char *genimg_get_arch_short_name(uint8_t arch)
731 {
732 	return genimg_get_short_name(uimage_arch, arch);
733 }
734 
735 /**
736  * get_table_entry_id - translate short entry name to id
737  * @table: pointer to a translation table for entries of a specific type
738  * @table_name: to be used in case of error
739  * @name: entry short name to be translated
740  *
741  * get_table_entry_id() will go over translation table trying to find
742  * entry that matches given short name. If matching entry is found,
743  * its id returned to the caller.
744  *
745  * returns:
746  *     entry id if translation succeeds
747  *     -1 otherwise
748  */
749 int get_table_entry_id(const table_entry_t *table,
750 		const char *table_name, const char *name)
751 {
752 	const table_entry_t *t;
753 
754 	for (t = table; t->id >= 0; ++t) {
755 #ifdef CONFIG_NEEDS_MANUAL_RELOC
756 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
757 #else
758 		if (t->sname && strcasecmp(t->sname, name) == 0)
759 #endif
760 			return (t->id);
761 	}
762 	debug("Invalid %s Type: %s\n", table_name, name);
763 
764 	return -1;
765 }
766 
767 int genimg_get_os_id(const char *name)
768 {
769 	return (get_table_entry_id(uimage_os, "OS", name));
770 }
771 
772 int genimg_get_arch_id(const char *name)
773 {
774 	return (get_table_entry_id(uimage_arch, "CPU", name));
775 }
776 
777 int genimg_get_type_id(const char *name)
778 {
779 	return (get_table_entry_id(uimage_type, "Image", name));
780 }
781 
782 int genimg_get_comp_id(const char *name)
783 {
784 	return (get_table_entry_id(uimage_comp, "Compression", name));
785 }
786 
787 #ifndef USE_HOSTCC
788 /**
789  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
790  *                              FIT strings
791  * @img_addr: a string might contain real image address
792  * @fit_uname_config: double pointer to a char, will hold pointer to a
793  *                    configuration unit name
794  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
795  *                    name
796  *
797  * genimg_get_kernel_addr_fit get the real kernel start address from a string
798  * which is normally the first argv of bootm/bootz
799  *
800  * returns:
801  *     kernel start address
802  */
803 ulong genimg_get_kernel_addr_fit(char * const img_addr,
804 			     const char **fit_uname_config,
805 			     const char **fit_uname_kernel)
806 {
807 	ulong kernel_addr;
808 
809 	/* find out kernel image address */
810 	if (!img_addr) {
811 		kernel_addr = load_addr;
812 		debug("*  kernel: default image load address = 0x%08lx\n",
813 		      load_addr);
814 #if CONFIG_IS_ENABLED(FIT)
815 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
816 				  fit_uname_config)) {
817 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
818 		      *fit_uname_config, kernel_addr);
819 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
820 				     fit_uname_kernel)) {
821 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
822 		      *fit_uname_kernel, kernel_addr);
823 #endif
824 	} else {
825 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
826 		debug("*  kernel: cmdline image address = 0x%08lx\n",
827 		      kernel_addr);
828 	}
829 
830 	return kernel_addr;
831 }
832 
833 /**
834  * genimg_get_kernel_addr() is the simple version of
835  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
836  */
837 ulong genimg_get_kernel_addr(char * const img_addr)
838 {
839 	const char *fit_uname_config = NULL;
840 	const char *fit_uname_kernel = NULL;
841 
842 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
843 					  &fit_uname_kernel);
844 }
845 
846 /**
847  * genimg_get_format - get image format type
848  * @img_addr: image start address
849  *
850  * genimg_get_format() checks whether provided address points to a valid
851  * legacy or FIT image.
852  *
853  * New uImage format and FDT blob are based on a libfdt. FDT blob
854  * may be passed directly or embedded in a FIT image. In both situations
855  * genimg_get_format() must be able to dectect libfdt header.
856  *
857  * returns:
858  *     image format type or IMAGE_FORMAT_INVALID if no image is present
859  */
860 int genimg_get_format(const void *img_addr)
861 {
862 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
863 	const image_header_t *hdr;
864 
865 	hdr = (const image_header_t *)img_addr;
866 	if (image_check_magic(hdr))
867 		return IMAGE_FORMAT_LEGACY;
868 #endif
869 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
870 	if (fdt_check_header(img_addr) == 0)
871 		return IMAGE_FORMAT_FIT;
872 #endif
873 #ifdef CONFIG_ANDROID_BOOT_IMAGE
874 	if (android_image_check_header(img_addr) == 0)
875 		return IMAGE_FORMAT_ANDROID;
876 #endif
877 
878 	return IMAGE_FORMAT_INVALID;
879 }
880 
881 /**
882  * genimg_get_image - get image from special storage (if necessary)
883  * @img_addr: image start address
884  *
885  * genimg_get_image() checks if provided image start address is located
886  * in a dataflash storage. If so, image is moved to a system RAM memory.
887  *
888  * returns:
889  *     image start address after possible relocation from special storage
890  */
891 ulong genimg_get_image(ulong img_addr)
892 {
893 	ulong ram_addr = img_addr;
894 
895 #ifdef CONFIG_HAS_DATAFLASH
896 	ulong h_size, d_size;
897 
898 	if (addr_dataflash(img_addr)) {
899 		void *buf;
900 
901 		/* ger RAM address */
902 		ram_addr = CONFIG_SYS_LOAD_ADDR;
903 
904 		/* get header size */
905 		h_size = image_get_header_size();
906 #if IMAGE_ENABLE_FIT
907 		if (sizeof(struct fdt_header) > h_size)
908 			h_size = sizeof(struct fdt_header);
909 #endif
910 
911 		/* read in header */
912 		debug("   Reading image header from dataflash address "
913 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
914 
915 		buf = map_sysmem(ram_addr, 0);
916 		read_dataflash(img_addr, h_size, buf);
917 
918 		/* get data size */
919 		switch (genimg_get_format(buf)) {
920 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
921 		case IMAGE_FORMAT_LEGACY:
922 			d_size = image_get_data_size(buf);
923 			debug("   Legacy format image found at 0x%08lx, "
924 					"size 0x%08lx\n",
925 					ram_addr, d_size);
926 			break;
927 #endif
928 #if IMAGE_ENABLE_FIT
929 		case IMAGE_FORMAT_FIT:
930 			d_size = fit_get_size(buf) - h_size;
931 			debug("   FIT/FDT format image found at 0x%08lx, "
932 					"size 0x%08lx\n",
933 					ram_addr, d_size);
934 			break;
935 #endif
936 		default:
937 			printf("   No valid image found at 0x%08lx\n",
938 				img_addr);
939 			return ram_addr;
940 		}
941 
942 		/* read in image data */
943 		debug("   Reading image remaining data from dataflash address "
944 			"%08lx to RAM address %08lx\n", img_addr + h_size,
945 			ram_addr + h_size);
946 
947 		read_dataflash(img_addr + h_size, d_size,
948 				(char *)(buf + h_size));
949 
950 	}
951 #endif /* CONFIG_HAS_DATAFLASH */
952 
953 	return ram_addr;
954 }
955 
956 /**
957  * fit_has_config - check if there is a valid FIT configuration
958  * @images: pointer to the bootm command headers structure
959  *
960  * fit_has_config() checks if there is a FIT configuration in use
961  * (if FTI support is present).
962  *
963  * returns:
964  *     0, no FIT support or no configuration found
965  *     1, configuration found
966  */
967 int genimg_has_config(bootm_headers_t *images)
968 {
969 #if IMAGE_ENABLE_FIT
970 	if (images->fit_uname_cfg)
971 		return 1;
972 #endif
973 	return 0;
974 }
975 
976 /**
977  * boot_get_ramdisk - main ramdisk handling routine
978  * @argc: command argument count
979  * @argv: command argument list
980  * @images: pointer to the bootm images structure
981  * @arch: expected ramdisk architecture
982  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
983  * @rd_end: pointer to a ulong variable, will hold ramdisk end
984  *
985  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
986  * Curently supported are the following ramdisk sources:
987  *      - multicomponent kernel/ramdisk image,
988  *      - commandline provided address of decicated ramdisk image.
989  *
990  * returns:
991  *     0, if ramdisk image was found and valid, or skiped
992  *     rd_start and rd_end are set to ramdisk start/end addresses if
993  *     ramdisk image is found and valid
994  *
995  *     1, if ramdisk image is found but corrupted, or invalid
996  *     rd_start and rd_end are set to 0 if no ramdisk exists
997  */
998 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
999 		uint8_t arch, ulong *rd_start, ulong *rd_end)
1000 {
1001 	ulong rd_addr, rd_load;
1002 	ulong rd_data, rd_len;
1003 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
1004 	const image_header_t *rd_hdr;
1005 #endif
1006 	void *buf;
1007 #ifdef CONFIG_SUPPORT_RAW_INITRD
1008 	char *end;
1009 #endif
1010 #if IMAGE_ENABLE_FIT
1011 	const char	*fit_uname_config = images->fit_uname_cfg;
1012 	const char	*fit_uname_ramdisk = NULL;
1013 	ulong		default_addr;
1014 	int		rd_noffset;
1015 #endif
1016 	const char *select = NULL;
1017 
1018 	*rd_start = 0;
1019 	*rd_end = 0;
1020 
1021 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1022 	/*
1023 	 * Look for an Android boot image.
1024 	 */
1025 	buf = map_sysmem(images->os.start, 0);
1026 	if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
1027 		select = argv[0];
1028 #endif
1029 
1030 	if (argc >= 2)
1031 		select = argv[1];
1032 
1033 	/*
1034 	 * Look for a '-' which indicates to ignore the
1035 	 * ramdisk argument
1036 	 */
1037 	if (select && strcmp(select, "-") ==  0) {
1038 		debug("## Skipping init Ramdisk\n");
1039 		rd_len = rd_data = 0;
1040 	} else if (select || genimg_has_config(images)) {
1041 #if IMAGE_ENABLE_FIT
1042 		if (select) {
1043 			/*
1044 			 * If the init ramdisk comes from the FIT image and
1045 			 * the FIT image address is omitted in the command
1046 			 * line argument, try to use os FIT image address or
1047 			 * default load address.
1048 			 */
1049 			if (images->fit_uname_os)
1050 				default_addr = (ulong)images->fit_hdr_os;
1051 			else
1052 				default_addr = load_addr;
1053 
1054 			if (fit_parse_conf(select, default_addr,
1055 					   &rd_addr, &fit_uname_config)) {
1056 				debug("*  ramdisk: config '%s' from image at "
1057 						"0x%08lx\n",
1058 						fit_uname_config, rd_addr);
1059 			} else if (fit_parse_subimage(select, default_addr,
1060 						&rd_addr, &fit_uname_ramdisk)) {
1061 				debug("*  ramdisk: subimage '%s' from image at "
1062 						"0x%08lx\n",
1063 						fit_uname_ramdisk, rd_addr);
1064 			} else
1065 #endif
1066 			{
1067 				rd_addr = simple_strtoul(select, NULL, 16);
1068 				debug("*  ramdisk: cmdline image address = "
1069 						"0x%08lx\n",
1070 						rd_addr);
1071 			}
1072 #if IMAGE_ENABLE_FIT
1073 		} else {
1074 			/* use FIT configuration provided in first bootm
1075 			 * command argument. If the property is not defined,
1076 			 * quit silently.
1077 			 */
1078 			rd_addr = map_to_sysmem(images->fit_hdr_os);
1079 			rd_noffset = fit_get_node_from_config(images,
1080 					FIT_RAMDISK_PROP, rd_addr);
1081 			if (rd_noffset == -ENOLINK)
1082 				return 0;
1083 			else if (rd_noffset < 0)
1084 				return 1;
1085 		}
1086 #endif
1087 
1088 		/* copy from dataflash if needed */
1089 		rd_addr = genimg_get_image(rd_addr);
1090 
1091 		/*
1092 		 * Check if there is an initrd image at the
1093 		 * address provided in the second bootm argument
1094 		 * check image type, for FIT images get FIT node.
1095 		 */
1096 		buf = map_sysmem(rd_addr, 0);
1097 		switch (genimg_get_format(buf)) {
1098 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
1099 		case IMAGE_FORMAT_LEGACY:
1100 			printf("## Loading init Ramdisk from Legacy "
1101 					"Image at %08lx ...\n", rd_addr);
1102 
1103 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
1104 			rd_hdr = image_get_ramdisk(rd_addr, arch,
1105 							images->verify);
1106 
1107 			if (rd_hdr == NULL)
1108 				return 1;
1109 
1110 			rd_data = image_get_data(rd_hdr);
1111 			rd_len = image_get_data_size(rd_hdr);
1112 			rd_load = image_get_load(rd_hdr);
1113 			break;
1114 #endif
1115 #if IMAGE_ENABLE_FIT
1116 		case IMAGE_FORMAT_FIT:
1117 			rd_noffset = fit_image_load(images,
1118 					rd_addr, &fit_uname_ramdisk,
1119 					&fit_uname_config, arch,
1120 					IH_TYPE_RAMDISK,
1121 					BOOTSTAGE_ID_FIT_RD_START,
1122 					FIT_LOAD_OPTIONAL_NON_ZERO,
1123 					&rd_data, &rd_len);
1124 			if (rd_noffset < 0)
1125 				return 1;
1126 
1127 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1128 			images->fit_uname_rd = fit_uname_ramdisk;
1129 			images->fit_noffset_rd = rd_noffset;
1130 			break;
1131 #endif
1132 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1133 		case IMAGE_FORMAT_ANDROID:
1134 			android_image_get_ramdisk((void *)images->os.start,
1135 				&rd_data, &rd_len);
1136 			break;
1137 #endif
1138 		default:
1139 #ifdef CONFIG_SUPPORT_RAW_INITRD
1140 			end = NULL;
1141 			if (select)
1142 				end = strchr(select, ':');
1143 			if (end) {
1144 				rd_len = simple_strtoul(++end, NULL, 16);
1145 				rd_data = rd_addr;
1146 			} else
1147 #endif
1148 			{
1149 				puts("Wrong Ramdisk Image Format\n");
1150 				rd_data = rd_len = rd_load = 0;
1151 				return 1;
1152 			}
1153 		}
1154 	} else if (images->legacy_hdr_valid &&
1155 			image_check_type(&images->legacy_hdr_os_copy,
1156 						IH_TYPE_MULTI)) {
1157 
1158 		/*
1159 		 * Now check if we have a legacy mult-component image,
1160 		 * get second entry data start address and len.
1161 		 */
1162 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1163 		printf("## Loading init Ramdisk from multi component "
1164 				"Legacy Image at %08lx ...\n",
1165 				(ulong)images->legacy_hdr_os);
1166 
1167 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1168 	} else {
1169 		/*
1170 		 * no initrd image
1171 		 */
1172 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1173 		rd_len = rd_data = 0;
1174 	}
1175 
1176 	if (!rd_data) {
1177 		debug("## No init Ramdisk\n");
1178 	} else {
1179 		*rd_start = rd_data;
1180 		*rd_end = rd_data + rd_len;
1181 	}
1182 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1183 			*rd_start, *rd_end);
1184 
1185 	return 0;
1186 }
1187 
1188 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1189 /**
1190  * boot_ramdisk_high - relocate init ramdisk
1191  * @lmb: pointer to lmb handle, will be used for memory mgmt
1192  * @rd_data: ramdisk data start address
1193  * @rd_len: ramdisk data length
1194  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1195  *      start address (after possible relocation)
1196  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1197  *      end address (after possible relocation)
1198  *
1199  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1200  * variable and if requested ramdisk data is moved to a specified location.
1201  *
1202  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1203  * start/end addresses if ramdisk image start and len were provided,
1204  * otherwise set initrd_start and initrd_end set to zeros.
1205  *
1206  * returns:
1207  *      0 - success
1208  *     -1 - failure
1209  */
1210 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1211 		  ulong *initrd_start, ulong *initrd_end)
1212 {
1213 	char	*s;
1214 	ulong	initrd_high;
1215 	int	initrd_copy_to_ram = 1;
1216 
1217 	if ((s = getenv("initrd_high")) != NULL) {
1218 		/* a value of "no" or a similar string will act like 0,
1219 		 * turning the "load high" feature off. This is intentional.
1220 		 */
1221 		initrd_high = simple_strtoul(s, NULL, 16);
1222 		if (initrd_high == ~0)
1223 			initrd_copy_to_ram = 0;
1224 	} else {
1225 		initrd_high = getenv_bootm_mapsize() + getenv_bootm_low();
1226 	}
1227 
1228 
1229 #ifdef CONFIG_LOGBUFFER
1230 	/* Prevent initrd from overwriting logbuffer */
1231 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1232 #endif
1233 
1234 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1235 			initrd_high, initrd_copy_to_ram);
1236 
1237 	if (rd_data) {
1238 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1239 			debug("   in-place initrd\n");
1240 			*initrd_start = rd_data;
1241 			*initrd_end = rd_data + rd_len;
1242 			lmb_reserve(lmb, rd_data, rd_len);
1243 		} else {
1244 			if (initrd_high)
1245 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1246 						rd_len, 0x1000, initrd_high);
1247 			else
1248 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1249 								 0x1000);
1250 
1251 			if (*initrd_start == 0) {
1252 				puts("ramdisk - allocation error\n");
1253 				goto error;
1254 			}
1255 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1256 
1257 			*initrd_end = *initrd_start + rd_len;
1258 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1259 					*initrd_start, *initrd_end);
1260 
1261 			memmove_wd((void *)*initrd_start,
1262 					(void *)rd_data, rd_len, CHUNKSZ);
1263 
1264 #ifdef CONFIG_MP
1265 			/*
1266 			 * Ensure the image is flushed to memory to handle
1267 			 * AMP boot scenarios in which we might not be
1268 			 * HW cache coherent
1269 			 */
1270 			flush_cache((unsigned long)*initrd_start, rd_len);
1271 #endif
1272 			puts("OK\n");
1273 		}
1274 	} else {
1275 		*initrd_start = 0;
1276 		*initrd_end = 0;
1277 	}
1278 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1279 			*initrd_start, *initrd_end);
1280 
1281 	return 0;
1282 
1283 error:
1284 	return -1;
1285 }
1286 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1287 
1288 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1289 		   ulong *setup_start, ulong *setup_len)
1290 {
1291 #if IMAGE_ENABLE_FIT
1292 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1293 #else
1294 	return -ENOENT;
1295 #endif
1296 }
1297 
1298 #if IMAGE_ENABLE_FIT
1299 #if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_XILINX)
1300 int boot_get_fpga(int argc, char * const argv[], bootm_headers_t *images,
1301 		  uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1302 {
1303 	ulong tmp_img_addr, img_data, img_len;
1304 	void *buf;
1305 	int conf_noffset;
1306 	int fit_img_result;
1307 	char *uname, *name;
1308 	int err;
1309 	int devnum = 0; /* TODO support multi fpga platforms */
1310 	const fpga_desc * const desc = fpga_get_desc(devnum);
1311 	xilinx_desc *desc_xilinx = desc->devdesc;
1312 
1313 	/* Check to see if the images struct has a FIT configuration */
1314 	if (!genimg_has_config(images)) {
1315 		debug("## FIT configuration was not specified\n");
1316 		return 0;
1317 	}
1318 
1319 	/*
1320 	 * Obtain the os FIT header from the images struct
1321 	 * copy from dataflash if needed
1322 	 */
1323 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1324 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1325 	buf = map_sysmem(tmp_img_addr, 0);
1326 	/*
1327 	 * Check image type. For FIT images get FIT node
1328 	 * and attempt to locate a generic binary.
1329 	 */
1330 	switch (genimg_get_format(buf)) {
1331 	case IMAGE_FORMAT_FIT:
1332 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1333 
1334 		err = fdt_get_string_index(buf, conf_noffset, FIT_FPGA_PROP, 0,
1335 					   (const char **)&uname);
1336 		if (err < 0) {
1337 			debug("## FPGA image is not specified\n");
1338 			return 0;
1339 		}
1340 		fit_img_result = fit_image_load(images,
1341 						tmp_img_addr,
1342 						(const char **)&uname,
1343 						&(images->fit_uname_cfg),
1344 						arch,
1345 						IH_TYPE_FPGA,
1346 						BOOTSTAGE_ID_FPGA_INIT,
1347 						FIT_LOAD_OPTIONAL_NON_ZERO,
1348 						&img_data, &img_len);
1349 
1350 		debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
1351 		      uname, img_data, img_len);
1352 
1353 		if (fit_img_result < 0) {
1354 			/* Something went wrong! */
1355 			return fit_img_result;
1356 		}
1357 
1358 		if (img_len >= desc_xilinx->size) {
1359 			name = "full";
1360 			err = fpga_loadbitstream(devnum, (char *)img_data,
1361 						 img_len, BIT_FULL);
1362 			if (err)
1363 				err = fpga_load(devnum, (const void *)img_data,
1364 						img_len, BIT_FULL);
1365 		} else {
1366 			name = "partial";
1367 			err = fpga_loadbitstream(devnum, (char *)img_data,
1368 						 img_len, BIT_PARTIAL);
1369 			if (err)
1370 				err = fpga_load(devnum, (const void *)img_data,
1371 						img_len, BIT_PARTIAL);
1372 		}
1373 
1374 		printf("   Programming %s bitstream... ", name);
1375 		if (err)
1376 			printf("failed\n");
1377 		else
1378 			printf("OK\n");
1379 		break;
1380 	default:
1381 		printf("The given image format is not supported (corrupt?)\n");
1382 		return 1;
1383 	}
1384 
1385 	return 0;
1386 }
1387 #endif
1388 
1389 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1390 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1391 {
1392 	/*
1393 	 * These variables are used to hold the current image location
1394 	 * in system memory.
1395 	 */
1396 	ulong tmp_img_addr;
1397 	/*
1398 	 * These two variables are requirements for fit_image_load, but
1399 	 * their values are not used
1400 	 */
1401 	ulong img_data, img_len;
1402 	void *buf;
1403 	int loadables_index;
1404 	int conf_noffset;
1405 	int fit_img_result;
1406 	char *uname;
1407 
1408 	/* Check to see if the images struct has a FIT configuration */
1409 	if (!genimg_has_config(images)) {
1410 		debug("## FIT configuration was not specified\n");
1411 		return 0;
1412 	}
1413 
1414 	/*
1415 	 * Obtain the os FIT header from the images struct
1416 	 * copy from dataflash if needed
1417 	 */
1418 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1419 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1420 	buf = map_sysmem(tmp_img_addr, 0);
1421 	/*
1422 	 * Check image type. For FIT images get FIT node
1423 	 * and attempt to locate a generic binary.
1424 	 */
1425 	switch (genimg_get_format(buf)) {
1426 	case IMAGE_FORMAT_FIT:
1427 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1428 
1429 		for (loadables_index = 0;
1430 		     fdt_get_string_index(buf, conf_noffset,
1431 				FIT_LOADABLE_PROP,
1432 				loadables_index,
1433 				(const char **)&uname) == 0;
1434 		     loadables_index++)
1435 		{
1436 			fit_img_result = fit_image_load(images,
1437 				tmp_img_addr,
1438 				(const char **)&uname,
1439 				&(images->fit_uname_cfg), arch,
1440 				IH_TYPE_LOADABLE,
1441 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1442 				FIT_LOAD_OPTIONAL_NON_ZERO,
1443 				&img_data, &img_len);
1444 			if (fit_img_result < 0) {
1445 				/* Something went wrong! */
1446 				return fit_img_result;
1447 			}
1448 		}
1449 		break;
1450 	default:
1451 		printf("The given image format is not supported (corrupt?)\n");
1452 		return 1;
1453 	}
1454 
1455 	return 0;
1456 }
1457 #endif
1458 
1459 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1460 /**
1461  * boot_get_cmdline - allocate and initialize kernel cmdline
1462  * @lmb: pointer to lmb handle, will be used for memory mgmt
1463  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1464  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1465  *
1466  * boot_get_cmdline() allocates space for kernel command line below
1467  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-Boot environemnt
1468  * variable is present its contents is copied to allocated kernel
1469  * command line.
1470  *
1471  * returns:
1472  *      0 - success
1473  *     -1 - failure
1474  */
1475 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1476 {
1477 	char *cmdline;
1478 	char *s;
1479 
1480 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1481 				getenv_bootm_mapsize() + getenv_bootm_low());
1482 
1483 	if (cmdline == NULL)
1484 		return -1;
1485 
1486 	if ((s = getenv("bootargs")) == NULL)
1487 		s = "";
1488 
1489 	strcpy(cmdline, s);
1490 
1491 	*cmd_start = (ulong) & cmdline[0];
1492 	*cmd_end = *cmd_start + strlen(cmdline);
1493 
1494 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1495 
1496 	return 0;
1497 }
1498 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1499 
1500 #ifdef CONFIG_SYS_BOOT_GET_KBD
1501 /**
1502  * boot_get_kbd - allocate and initialize kernel copy of board info
1503  * @lmb: pointer to lmb handle, will be used for memory mgmt
1504  * @kbd: double pointer to board info data
1505  *
1506  * boot_get_kbd() allocates space for kernel copy of board info data below
1507  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1508  * with the current u-boot board info data.
1509  *
1510  * returns:
1511  *      0 - success
1512  *     -1 - failure
1513  */
1514 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1515 {
1516 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1517 				getenv_bootm_mapsize() + getenv_bootm_low());
1518 	if (*kbd == NULL)
1519 		return -1;
1520 
1521 	**kbd = *(gd->bd);
1522 
1523 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1524 
1525 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1526 	do_bdinfo(NULL, 0, 0, NULL);
1527 #endif
1528 
1529 	return 0;
1530 }
1531 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1532 
1533 #ifdef CONFIG_LMB
1534 int image_setup_linux(bootm_headers_t *images)
1535 {
1536 	ulong of_size = images->ft_len;
1537 	char **of_flat_tree = &images->ft_addr;
1538 	ulong *initrd_start = &images->initrd_start;
1539 	ulong *initrd_end = &images->initrd_end;
1540 	struct lmb *lmb = &images->lmb;
1541 	ulong rd_len;
1542 	int ret;
1543 
1544 	if (IMAGE_ENABLE_OF_LIBFDT)
1545 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1546 
1547 	if (IMAGE_BOOT_GET_CMDLINE) {
1548 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1549 				&images->cmdline_end);
1550 		if (ret) {
1551 			puts("ERROR with allocation of cmdline\n");
1552 			return ret;
1553 		}
1554 	}
1555 	if (IMAGE_ENABLE_RAMDISK_HIGH) {
1556 		rd_len = images->rd_end - images->rd_start;
1557 		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1558 				initrd_start, initrd_end);
1559 		if (ret)
1560 			return ret;
1561 	}
1562 
1563 	if (IMAGE_ENABLE_OF_LIBFDT) {
1564 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1565 		if (ret)
1566 			return ret;
1567 	}
1568 
1569 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1570 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1571 		if (ret)
1572 			return ret;
1573 	}
1574 
1575 	return 0;
1576 }
1577 #endif /* CONFIG_LMB */
1578 #endif /* !USE_HOSTCC */
1579