xref: /openbmc/u-boot/common/image.c (revision dac09fc1)
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 <linux/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_VYBRIDIMAGE, "vybridimage",  "Vybrid Boot Image", },
165 	{	IH_TYPE_ZYNQIMAGE,  "zynqimage",  "Xilinx Zynq Boot Image" },
166 	{	IH_TYPE_ZYNQMPIMAGE, "zynqmpimage", "Xilinx ZynqMP Boot Image" },
167 	{	IH_TYPE_FPGA,       "fpga",       "FPGA Image" },
168 	{	-1,		    "",		  "",			},
169 };
170 
171 static const table_entry_t uimage_comp[] = {
172 	{	IH_COMP_NONE,	"none",		"uncompressed",		},
173 	{	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	},
174 	{	IH_COMP_GZIP,	"gzip",		"gzip compressed",	},
175 	{	IH_COMP_LZMA,	"lzma",		"lzma compressed",	},
176 	{	IH_COMP_LZO,	"lzo",		"lzo compressed",	},
177 	{	IH_COMP_LZ4,	"lz4",		"lz4 compressed",	},
178 	{	-1,		"",		"",			},
179 };
180 
181 struct table_info {
182 	const char *desc;
183 	int count;
184 	const table_entry_t *table;
185 };
186 
187 static const struct table_info table_info[IH_COUNT] = {
188 	{ "architecture", IH_ARCH_COUNT, uimage_arch },
189 	{ "compression", IH_COMP_COUNT, uimage_comp },
190 	{ "operating system", IH_OS_COUNT, uimage_os },
191 	{ "image type", IH_TYPE_COUNT, uimage_type },
192 };
193 
194 /*****************************************************************************/
195 /* Legacy format routines */
196 /*****************************************************************************/
197 int image_check_hcrc(const image_header_t *hdr)
198 {
199 	ulong hcrc;
200 	ulong len = image_get_header_size();
201 	image_header_t header;
202 
203 	/* Copy header so we can blank CRC field for re-calculation */
204 	memmove(&header, (char *)hdr, image_get_header_size());
205 	image_set_hcrc(&header, 0);
206 
207 	hcrc = crc32(0, (unsigned char *)&header, len);
208 
209 	return (hcrc == image_get_hcrc(hdr));
210 }
211 
212 int image_check_dcrc(const image_header_t *hdr)
213 {
214 	ulong data = image_get_data(hdr);
215 	ulong len = image_get_data_size(hdr);
216 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
217 
218 	return (dcrc == image_get_dcrc(hdr));
219 }
220 
221 /**
222  * image_multi_count - get component (sub-image) count
223  * @hdr: pointer to the header of the multi component image
224  *
225  * image_multi_count() returns number of components in a multi
226  * component image.
227  *
228  * Note: no checking of the image type is done, caller must pass
229  * a valid multi component image.
230  *
231  * returns:
232  *     number of components
233  */
234 ulong image_multi_count(const image_header_t *hdr)
235 {
236 	ulong i, count = 0;
237 	uint32_t *size;
238 
239 	/* get start of the image payload, which in case of multi
240 	 * component images that points to a table of component sizes */
241 	size = (uint32_t *)image_get_data(hdr);
242 
243 	/* count non empty slots */
244 	for (i = 0; size[i]; ++i)
245 		count++;
246 
247 	return count;
248 }
249 
250 /**
251  * image_multi_getimg - get component data address and size
252  * @hdr: pointer to the header of the multi component image
253  * @idx: index of the requested component
254  * @data: pointer to a ulong variable, will hold component data address
255  * @len: pointer to a ulong variable, will hold component size
256  *
257  * image_multi_getimg() returns size and data address for the requested
258  * component in a multi component image.
259  *
260  * Note: no checking of the image type is done, caller must pass
261  * a valid multi component image.
262  *
263  * returns:
264  *     data address and size of the component, if idx is valid
265  *     0 in data and len, if idx is out of range
266  */
267 void image_multi_getimg(const image_header_t *hdr, ulong idx,
268 			ulong *data, ulong *len)
269 {
270 	int i;
271 	uint32_t *size;
272 	ulong offset, count, img_data;
273 
274 	/* get number of component */
275 	count = image_multi_count(hdr);
276 
277 	/* get start of the image payload, which in case of multi
278 	 * component images that points to a table of component sizes */
279 	size = (uint32_t *)image_get_data(hdr);
280 
281 	/* get address of the proper component data start, which means
282 	 * skipping sizes table (add 1 for last, null entry) */
283 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
284 
285 	if (idx < count) {
286 		*len = uimage_to_cpu(size[idx]);
287 		offset = 0;
288 
289 		/* go over all indices preceding requested component idx */
290 		for (i = 0; i < idx; i++) {
291 			/* add up i-th component size, rounding up to 4 bytes */
292 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
293 		}
294 
295 		/* calculate idx-th component data address */
296 		*data = img_data + offset;
297 	} else {
298 		*len = 0;
299 		*data = 0;
300 	}
301 }
302 
303 static void image_print_type(const image_header_t *hdr)
304 {
305 	const char __maybe_unused *os, *arch, *type, *comp;
306 
307 	os = genimg_get_os_name(image_get_os(hdr));
308 	arch = genimg_get_arch_name(image_get_arch(hdr));
309 	type = genimg_get_type_name(image_get_type(hdr));
310 	comp = genimg_get_comp_name(image_get_comp(hdr));
311 
312 	printf("%s %s %s (%s)\n", arch, os, type, comp);
313 }
314 
315 /**
316  * image_print_contents - prints out the contents of the legacy format image
317  * @ptr: pointer to the legacy format image header
318  * @p: pointer to prefix string
319  *
320  * image_print_contents() formats a multi line legacy image contents description.
321  * The routine prints out all header fields followed by the size/offset data
322  * for MULTI/SCRIPT images.
323  *
324  * returns:
325  *     no returned results
326  */
327 void image_print_contents(const void *ptr)
328 {
329 	const image_header_t *hdr = (const image_header_t *)ptr;
330 	const char __maybe_unused *p;
331 
332 	p = IMAGE_INDENT_STRING;
333 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
334 	if (IMAGE_ENABLE_TIMESTAMP) {
335 		printf("%sCreated:      ", p);
336 		genimg_print_time((time_t)image_get_time(hdr));
337 	}
338 	printf("%sImage Type:   ", p);
339 	image_print_type(hdr);
340 	printf("%sData Size:    ", p);
341 	genimg_print_size(image_get_data_size(hdr));
342 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
343 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
344 
345 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
346 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
347 		int i;
348 		ulong data, len;
349 		ulong count = image_multi_count(hdr);
350 
351 		printf("%sContents:\n", p);
352 		for (i = 0; i < count; i++) {
353 			image_multi_getimg(hdr, i, &data, &len);
354 
355 			printf("%s   Image %d: ", p, i);
356 			genimg_print_size(len);
357 
358 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
359 				/*
360 				 * the user may need to know offsets
361 				 * if planning to do something with
362 				 * multiple files
363 				 */
364 				printf("%s    Offset = 0x%08lx\n", p, data);
365 			}
366 		}
367 	}
368 }
369 
370 
371 #ifndef USE_HOSTCC
372 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
373 /**
374  * image_get_ramdisk - get and verify ramdisk image
375  * @rd_addr: ramdisk image start address
376  * @arch: expected ramdisk architecture
377  * @verify: checksum verification flag
378  *
379  * image_get_ramdisk() returns a pointer to the verified ramdisk image
380  * header. Routine receives image start address and expected architecture
381  * flag. Verification done covers data and header integrity and os/type/arch
382  * fields checking.
383  *
384  * If dataflash support is enabled routine checks for dataflash addresses
385  * and handles required dataflash reads.
386  *
387  * returns:
388  *     pointer to a ramdisk image header, if image was found and valid
389  *     otherwise, return NULL
390  */
391 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
392 						int verify)
393 {
394 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
395 
396 	if (!image_check_magic(rd_hdr)) {
397 		puts("Bad Magic Number\n");
398 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
399 		return NULL;
400 	}
401 
402 	if (!image_check_hcrc(rd_hdr)) {
403 		puts("Bad Header Checksum\n");
404 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
405 		return NULL;
406 	}
407 
408 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
409 	image_print_contents(rd_hdr);
410 
411 	if (verify) {
412 		puts("   Verifying Checksum ... ");
413 		if (!image_check_dcrc(rd_hdr)) {
414 			puts("Bad Data CRC\n");
415 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
416 			return NULL;
417 		}
418 		puts("OK\n");
419 	}
420 
421 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
422 
423 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
424 	    !image_check_arch(rd_hdr, arch) ||
425 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
426 		printf("No Linux %s Ramdisk Image\n",
427 				genimg_get_arch_name(arch));
428 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
429 		return NULL;
430 	}
431 
432 	return rd_hdr;
433 }
434 #endif
435 #endif /* !USE_HOSTCC */
436 
437 /*****************************************************************************/
438 /* Shared dual-format routines */
439 /*****************************************************************************/
440 #ifndef USE_HOSTCC
441 ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
442 ulong save_addr;			/* Default Save Address */
443 ulong save_size;			/* Default Save Size (in bytes) */
444 
445 static int on_loadaddr(const char *name, const char *value, enum env_op op,
446 	int flags)
447 {
448 	switch (op) {
449 	case env_op_create:
450 	case env_op_overwrite:
451 		load_addr = simple_strtoul(value, NULL, 16);
452 		break;
453 	default:
454 		break;
455 	}
456 
457 	return 0;
458 }
459 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
460 
461 ulong getenv_bootm_low(void)
462 {
463 	char *s = getenv("bootm_low");
464 	if (s) {
465 		ulong tmp = simple_strtoul(s, NULL, 16);
466 		return tmp;
467 	}
468 
469 #if defined(CONFIG_SYS_SDRAM_BASE)
470 	return CONFIG_SYS_SDRAM_BASE;
471 #elif defined(CONFIG_ARM)
472 	return gd->bd->bi_dram[0].start;
473 #else
474 	return 0;
475 #endif
476 }
477 
478 phys_size_t getenv_bootm_size(void)
479 {
480 	phys_size_t tmp, size;
481 	phys_addr_t start;
482 	char *s = getenv("bootm_size");
483 	if (s) {
484 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
485 		return tmp;
486 	}
487 
488 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
489 	start = gd->bd->bi_dram[0].start;
490 	size = gd->bd->bi_dram[0].size;
491 #else
492 	start = gd->bd->bi_memstart;
493 	size = gd->bd->bi_memsize;
494 #endif
495 
496 	s = getenv("bootm_low");
497 	if (s)
498 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
499 	else
500 		tmp = start;
501 
502 	return size - (tmp - start);
503 }
504 
505 phys_size_t getenv_bootm_mapsize(void)
506 {
507 	phys_size_t tmp;
508 	char *s = getenv("bootm_mapsize");
509 	if (s) {
510 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
511 		return tmp;
512 	}
513 
514 #if defined(CONFIG_SYS_BOOTMAPSZ)
515 	return CONFIG_SYS_BOOTMAPSZ;
516 #else
517 	return getenv_bootm_size();
518 #endif
519 }
520 
521 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
522 {
523 	if (to == from)
524 		return;
525 
526 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
527 	if (to > from) {
528 		from += len;
529 		to += len;
530 	}
531 	while (len > 0) {
532 		size_t tail = (len > chunksz) ? chunksz : len;
533 		WATCHDOG_RESET();
534 		if (to > from) {
535 			to -= tail;
536 			from -= tail;
537 		}
538 		memmove(to, from, tail);
539 		if (to < from) {
540 			to += tail;
541 			from += tail;
542 		}
543 		len -= tail;
544 	}
545 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
546 	memmove(to, from, len);
547 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
548 }
549 #endif /* !USE_HOSTCC */
550 
551 void genimg_print_size(uint32_t size)
552 {
553 #ifndef USE_HOSTCC
554 	printf("%d Bytes = ", size);
555 	print_size(size, "\n");
556 #else
557 	printf("%d Bytes = %.2f kB = %.2f MB\n",
558 			size, (double)size / 1.024e3,
559 			(double)size / 1.048576e6);
560 #endif
561 }
562 
563 #if IMAGE_ENABLE_TIMESTAMP
564 void genimg_print_time(time_t timestamp)
565 {
566 #ifndef USE_HOSTCC
567 	struct rtc_time tm;
568 
569 	rtc_to_tm(timestamp, &tm);
570 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
571 			tm.tm_year, tm.tm_mon, tm.tm_mday,
572 			tm.tm_hour, tm.tm_min, tm.tm_sec);
573 #else
574 	printf("%s", ctime(&timestamp));
575 #endif
576 }
577 #endif
578 
579 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
580 {
581 	for (; table->id >= 0; ++table) {
582 		if (table->id == id)
583 			return table;
584 	}
585 	return NULL;
586 }
587 
588 static const char *unknown_msg(enum ih_category category)
589 {
590 	static const char unknown_str[] = "Unknown ";
591 	static char msg[30];
592 
593 	strcpy(msg, unknown_str);
594 	strncat(msg, table_info[category].desc,
595 		sizeof(msg) - sizeof(unknown_str));
596 
597 	return msg;
598 }
599 
600 /**
601  * get_cat_table_entry_name - translate entry id to long name
602  * @category: category to look up (enum ih_category)
603  * @id: entry id to be translated
604  *
605  * This will scan the translation table trying to find the entry that matches
606  * the given id.
607  *
608  * @retur long entry name if translation succeeds; error string on failure
609  */
610 const char *genimg_get_cat_name(enum ih_category category, uint id)
611 {
612 	const table_entry_t *entry;
613 
614 	entry = get_table_entry(table_info[category].table, id);
615 	if (!entry)
616 		return unknown_msg(category);
617 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
618 	return entry->lname;
619 #else
620 	return entry->lname + gd->reloc_off;
621 #endif
622 }
623 
624 /**
625  * get_cat_table_entry_short_name - translate entry id to short name
626  * @category: category to look up (enum ih_category)
627  * @id: entry id to be translated
628  *
629  * This will scan the translation table trying to find the entry that matches
630  * the given id.
631  *
632  * @retur short entry name if translation succeeds; error string on failure
633  */
634 const char *genimg_get_cat_short_name(enum ih_category category, uint id)
635 {
636 	const table_entry_t *entry;
637 
638 	entry = get_table_entry(table_info[category].table, id);
639 	if (!entry)
640 		return unknown_msg(category);
641 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
642 	return entry->sname;
643 #else
644 	return entry->sname + gd->reloc_off;
645 #endif
646 }
647 
648 int genimg_get_cat_count(enum ih_category category)
649 {
650 	return table_info[category].count;
651 }
652 
653 const char *genimg_get_cat_desc(enum ih_category category)
654 {
655 	return table_info[category].desc;
656 }
657 
658 /**
659  * get_table_entry_name - translate entry id to long name
660  * @table: pointer to a translation table for entries of a specific type
661  * @msg: message to be returned when translation fails
662  * @id: entry id to be translated
663  *
664  * get_table_entry_name() will go over translation table trying to find
665  * entry that matches given id. If matching entry is found, its long
666  * name is returned to the caller.
667  *
668  * returns:
669  *     long entry name if translation succeeds
670  *     msg otherwise
671  */
672 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
673 {
674 	table = get_table_entry(table, id);
675 	if (!table)
676 		return msg;
677 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
678 	return table->lname;
679 #else
680 	return table->lname + gd->reloc_off;
681 #endif
682 }
683 
684 const char *genimg_get_os_name(uint8_t os)
685 {
686 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
687 }
688 
689 const char *genimg_get_arch_name(uint8_t arch)
690 {
691 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
692 					arch));
693 }
694 
695 const char *genimg_get_type_name(uint8_t type)
696 {
697 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
698 }
699 
700 static const char *genimg_get_short_name(const table_entry_t *table, int val)
701 {
702 	table = get_table_entry(table, val);
703 	if (!table)
704 		return "unknown";
705 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
706 	return table->sname;
707 #else
708 	return table->sname + gd->reloc_off;
709 #endif
710 }
711 
712 const char *genimg_get_type_short_name(uint8_t type)
713 {
714 	return genimg_get_short_name(uimage_type, type);
715 }
716 
717 const char *genimg_get_comp_name(uint8_t comp)
718 {
719 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
720 					comp));
721 }
722 
723 const char *genimg_get_comp_short_name(uint8_t comp)
724 {
725 	return genimg_get_short_name(uimage_comp, comp);
726 }
727 
728 const char *genimg_get_os_short_name(uint8_t os)
729 {
730 	return genimg_get_short_name(uimage_os, os);
731 }
732 
733 const char *genimg_get_arch_short_name(uint8_t arch)
734 {
735 	return genimg_get_short_name(uimage_arch, arch);
736 }
737 
738 /**
739  * get_table_entry_id - translate short entry name to id
740  * @table: pointer to a translation table for entries of a specific type
741  * @table_name: to be used in case of error
742  * @name: entry short name to be translated
743  *
744  * get_table_entry_id() will go over translation table trying to find
745  * entry that matches given short name. If matching entry is found,
746  * its id returned to the caller.
747  *
748  * returns:
749  *     entry id if translation succeeds
750  *     -1 otherwise
751  */
752 int get_table_entry_id(const table_entry_t *table,
753 		const char *table_name, const char *name)
754 {
755 	const table_entry_t *t;
756 
757 	for (t = table; t->id >= 0; ++t) {
758 #ifdef CONFIG_NEEDS_MANUAL_RELOC
759 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
760 #else
761 		if (t->sname && strcasecmp(t->sname, name) == 0)
762 #endif
763 			return (t->id);
764 	}
765 	debug("Invalid %s Type: %s\n", table_name, name);
766 
767 	return -1;
768 }
769 
770 int genimg_get_os_id(const char *name)
771 {
772 	return (get_table_entry_id(uimage_os, "OS", name));
773 }
774 
775 int genimg_get_arch_id(const char *name)
776 {
777 	return (get_table_entry_id(uimage_arch, "CPU", name));
778 }
779 
780 int genimg_get_type_id(const char *name)
781 {
782 	return (get_table_entry_id(uimage_type, "Image", name));
783 }
784 
785 int genimg_get_comp_id(const char *name)
786 {
787 	return (get_table_entry_id(uimage_comp, "Compression", name));
788 }
789 
790 #ifndef USE_HOSTCC
791 /**
792  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
793  *                              FIT strings
794  * @img_addr: a string might contain real image address
795  * @fit_uname_config: double pointer to a char, will hold pointer to a
796  *                    configuration unit name
797  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
798  *                    name
799  *
800  * genimg_get_kernel_addr_fit get the real kernel start address from a string
801  * which is normally the first argv of bootm/bootz
802  *
803  * returns:
804  *     kernel start address
805  */
806 ulong genimg_get_kernel_addr_fit(char * const img_addr,
807 			     const char **fit_uname_config,
808 			     const char **fit_uname_kernel)
809 {
810 	ulong kernel_addr;
811 
812 	/* find out kernel image address */
813 	if (!img_addr) {
814 		kernel_addr = load_addr;
815 		debug("*  kernel: default image load address = 0x%08lx\n",
816 		      load_addr);
817 #if CONFIG_IS_ENABLED(FIT)
818 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
819 				  fit_uname_config)) {
820 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
821 		      *fit_uname_config, kernel_addr);
822 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
823 				     fit_uname_kernel)) {
824 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
825 		      *fit_uname_kernel, kernel_addr);
826 #endif
827 	} else {
828 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
829 		debug("*  kernel: cmdline image address = 0x%08lx\n",
830 		      kernel_addr);
831 	}
832 
833 	return kernel_addr;
834 }
835 
836 /**
837  * genimg_get_kernel_addr() is the simple version of
838  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
839  */
840 ulong genimg_get_kernel_addr(char * const img_addr)
841 {
842 	const char *fit_uname_config = NULL;
843 	const char *fit_uname_kernel = NULL;
844 
845 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
846 					  &fit_uname_kernel);
847 }
848 
849 /**
850  * genimg_get_format - get image format type
851  * @img_addr: image start address
852  *
853  * genimg_get_format() checks whether provided address points to a valid
854  * legacy or FIT image.
855  *
856  * New uImage format and FDT blob are based on a libfdt. FDT blob
857  * may be passed directly or embedded in a FIT image. In both situations
858  * genimg_get_format() must be able to dectect libfdt header.
859  *
860  * returns:
861  *     image format type or IMAGE_FORMAT_INVALID if no image is present
862  */
863 int genimg_get_format(const void *img_addr)
864 {
865 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
866 	const image_header_t *hdr;
867 
868 	hdr = (const image_header_t *)img_addr;
869 	if (image_check_magic(hdr))
870 		return IMAGE_FORMAT_LEGACY;
871 #endif
872 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
873 	if (fdt_check_header(img_addr) == 0)
874 		return IMAGE_FORMAT_FIT;
875 #endif
876 #ifdef CONFIG_ANDROID_BOOT_IMAGE
877 	if (android_image_check_header(img_addr) == 0)
878 		return IMAGE_FORMAT_ANDROID;
879 #endif
880 
881 	return IMAGE_FORMAT_INVALID;
882 }
883 
884 /**
885  * genimg_get_image - get image from special storage (if necessary)
886  * @img_addr: image start address
887  *
888  * genimg_get_image() checks if provided image start address is located
889  * in a dataflash storage. If so, image is moved to a system RAM memory.
890  *
891  * returns:
892  *     image start address after possible relocation from special storage
893  */
894 ulong genimg_get_image(ulong img_addr)
895 {
896 	ulong ram_addr = img_addr;
897 
898 #ifdef CONFIG_HAS_DATAFLASH
899 	ulong h_size, d_size;
900 
901 	if (addr_dataflash(img_addr)) {
902 		void *buf;
903 
904 		/* ger RAM address */
905 		ram_addr = CONFIG_SYS_LOAD_ADDR;
906 
907 		/* get header size */
908 		h_size = image_get_header_size();
909 #if IMAGE_ENABLE_FIT
910 		if (sizeof(struct fdt_header) > h_size)
911 			h_size = sizeof(struct fdt_header);
912 #endif
913 
914 		/* read in header */
915 		debug("   Reading image header from dataflash address "
916 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
917 
918 		buf = map_sysmem(ram_addr, 0);
919 		read_dataflash(img_addr, h_size, buf);
920 
921 		/* get data size */
922 		switch (genimg_get_format(buf)) {
923 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
924 		case IMAGE_FORMAT_LEGACY:
925 			d_size = image_get_data_size(buf);
926 			debug("   Legacy format image found at 0x%08lx, "
927 					"size 0x%08lx\n",
928 					ram_addr, d_size);
929 			break;
930 #endif
931 #if IMAGE_ENABLE_FIT
932 		case IMAGE_FORMAT_FIT:
933 			d_size = fit_get_size(buf) - h_size;
934 			debug("   FIT/FDT format image found at 0x%08lx, "
935 					"size 0x%08lx\n",
936 					ram_addr, d_size);
937 			break;
938 #endif
939 		default:
940 			printf("   No valid image found at 0x%08lx\n",
941 				img_addr);
942 			return ram_addr;
943 		}
944 
945 		/* read in image data */
946 		debug("   Reading image remaining data from dataflash address "
947 			"%08lx to RAM address %08lx\n", img_addr + h_size,
948 			ram_addr + h_size);
949 
950 		read_dataflash(img_addr + h_size, d_size,
951 				(char *)(buf + h_size));
952 
953 	}
954 #endif /* CONFIG_HAS_DATAFLASH */
955 
956 	return ram_addr;
957 }
958 
959 /**
960  * fit_has_config - check if there is a valid FIT configuration
961  * @images: pointer to the bootm command headers structure
962  *
963  * fit_has_config() checks if there is a FIT configuration in use
964  * (if FTI support is present).
965  *
966  * returns:
967  *     0, no FIT support or no configuration found
968  *     1, configuration found
969  */
970 int genimg_has_config(bootm_headers_t *images)
971 {
972 #if IMAGE_ENABLE_FIT
973 	if (images->fit_uname_cfg)
974 		return 1;
975 #endif
976 	return 0;
977 }
978 
979 /**
980  * boot_get_ramdisk - main ramdisk handling routine
981  * @argc: command argument count
982  * @argv: command argument list
983  * @images: pointer to the bootm images structure
984  * @arch: expected ramdisk architecture
985  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
986  * @rd_end: pointer to a ulong variable, will hold ramdisk end
987  *
988  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
989  * Curently supported are the following ramdisk sources:
990  *      - multicomponent kernel/ramdisk image,
991  *      - commandline provided address of decicated ramdisk image.
992  *
993  * returns:
994  *     0, if ramdisk image was found and valid, or skiped
995  *     rd_start and rd_end are set to ramdisk start/end addresses if
996  *     ramdisk image is found and valid
997  *
998  *     1, if ramdisk image is found but corrupted, or invalid
999  *     rd_start and rd_end are set to 0 if no ramdisk exists
1000  */
1001 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
1002 		uint8_t arch, ulong *rd_start, ulong *rd_end)
1003 {
1004 	ulong rd_addr, rd_load;
1005 	ulong rd_data, rd_len;
1006 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
1007 	const image_header_t *rd_hdr;
1008 #endif
1009 	void *buf;
1010 #ifdef CONFIG_SUPPORT_RAW_INITRD
1011 	char *end;
1012 #endif
1013 #if IMAGE_ENABLE_FIT
1014 	const char	*fit_uname_config = images->fit_uname_cfg;
1015 	const char	*fit_uname_ramdisk = NULL;
1016 	ulong		default_addr;
1017 	int		rd_noffset;
1018 #endif
1019 	const char *select = NULL;
1020 
1021 	*rd_start = 0;
1022 	*rd_end = 0;
1023 
1024 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1025 	/*
1026 	 * Look for an Android boot image.
1027 	 */
1028 	buf = map_sysmem(images->os.start, 0);
1029 	if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
1030 		select = argv[0];
1031 #endif
1032 
1033 	if (argc >= 2)
1034 		select = argv[1];
1035 
1036 	/*
1037 	 * Look for a '-' which indicates to ignore the
1038 	 * ramdisk argument
1039 	 */
1040 	if (select && strcmp(select, "-") ==  0) {
1041 		debug("## Skipping init Ramdisk\n");
1042 		rd_len = rd_data = 0;
1043 	} else if (select || genimg_has_config(images)) {
1044 #if IMAGE_ENABLE_FIT
1045 		if (select) {
1046 			/*
1047 			 * If the init ramdisk comes from the FIT image and
1048 			 * the FIT image address is omitted in the command
1049 			 * line argument, try to use os FIT image address or
1050 			 * default load address.
1051 			 */
1052 			if (images->fit_uname_os)
1053 				default_addr = (ulong)images->fit_hdr_os;
1054 			else
1055 				default_addr = load_addr;
1056 
1057 			if (fit_parse_conf(select, default_addr,
1058 					   &rd_addr, &fit_uname_config)) {
1059 				debug("*  ramdisk: config '%s' from image at "
1060 						"0x%08lx\n",
1061 						fit_uname_config, rd_addr);
1062 			} else if (fit_parse_subimage(select, default_addr,
1063 						&rd_addr, &fit_uname_ramdisk)) {
1064 				debug("*  ramdisk: subimage '%s' from image at "
1065 						"0x%08lx\n",
1066 						fit_uname_ramdisk, rd_addr);
1067 			} else
1068 #endif
1069 			{
1070 				rd_addr = simple_strtoul(select, NULL, 16);
1071 				debug("*  ramdisk: cmdline image address = "
1072 						"0x%08lx\n",
1073 						rd_addr);
1074 			}
1075 #if IMAGE_ENABLE_FIT
1076 		} else {
1077 			/* use FIT configuration provided in first bootm
1078 			 * command argument. If the property is not defined,
1079 			 * quit silently.
1080 			 */
1081 			rd_addr = map_to_sysmem(images->fit_hdr_os);
1082 			rd_noffset = fit_get_node_from_config(images,
1083 					FIT_RAMDISK_PROP, rd_addr);
1084 			if (rd_noffset == -ENOENT)
1085 				return 0;
1086 			else if (rd_noffset < 0)
1087 				return 1;
1088 		}
1089 #endif
1090 
1091 		/* copy from dataflash if needed */
1092 		rd_addr = genimg_get_image(rd_addr);
1093 
1094 		/*
1095 		 * Check if there is an initrd image at the
1096 		 * address provided in the second bootm argument
1097 		 * check image type, for FIT images get FIT node.
1098 		 */
1099 		buf = map_sysmem(rd_addr, 0);
1100 		switch (genimg_get_format(buf)) {
1101 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
1102 		case IMAGE_FORMAT_LEGACY:
1103 			printf("## Loading init Ramdisk from Legacy "
1104 					"Image at %08lx ...\n", rd_addr);
1105 
1106 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
1107 			rd_hdr = image_get_ramdisk(rd_addr, arch,
1108 							images->verify);
1109 
1110 			if (rd_hdr == NULL)
1111 				return 1;
1112 
1113 			rd_data = image_get_data(rd_hdr);
1114 			rd_len = image_get_data_size(rd_hdr);
1115 			rd_load = image_get_load(rd_hdr);
1116 			break;
1117 #endif
1118 #if IMAGE_ENABLE_FIT
1119 		case IMAGE_FORMAT_FIT:
1120 			rd_noffset = fit_image_load(images,
1121 					rd_addr, &fit_uname_ramdisk,
1122 					&fit_uname_config, arch,
1123 					IH_TYPE_RAMDISK,
1124 					BOOTSTAGE_ID_FIT_RD_START,
1125 					FIT_LOAD_OPTIONAL_NON_ZERO,
1126 					&rd_data, &rd_len);
1127 			if (rd_noffset < 0)
1128 				return 1;
1129 
1130 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1131 			images->fit_uname_rd = fit_uname_ramdisk;
1132 			images->fit_noffset_rd = rd_noffset;
1133 			break;
1134 #endif
1135 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1136 		case IMAGE_FORMAT_ANDROID:
1137 			android_image_get_ramdisk((void *)images->os.start,
1138 				&rd_data, &rd_len);
1139 			break;
1140 #endif
1141 		default:
1142 #ifdef CONFIG_SUPPORT_RAW_INITRD
1143 			end = NULL;
1144 			if (select)
1145 				end = strchr(select, ':');
1146 			if (end) {
1147 				rd_len = simple_strtoul(++end, NULL, 16);
1148 				rd_data = rd_addr;
1149 			} else
1150 #endif
1151 			{
1152 				puts("Wrong Ramdisk Image Format\n");
1153 				rd_data = rd_len = rd_load = 0;
1154 				return 1;
1155 			}
1156 		}
1157 	} else if (images->legacy_hdr_valid &&
1158 			image_check_type(&images->legacy_hdr_os_copy,
1159 						IH_TYPE_MULTI)) {
1160 
1161 		/*
1162 		 * Now check if we have a legacy mult-component image,
1163 		 * get second entry data start address and len.
1164 		 */
1165 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1166 		printf("## Loading init Ramdisk from multi component "
1167 				"Legacy Image at %08lx ...\n",
1168 				(ulong)images->legacy_hdr_os);
1169 
1170 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1171 	} else {
1172 		/*
1173 		 * no initrd image
1174 		 */
1175 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1176 		rd_len = rd_data = 0;
1177 	}
1178 
1179 	if (!rd_data) {
1180 		debug("## No init Ramdisk\n");
1181 	} else {
1182 		*rd_start = rd_data;
1183 		*rd_end = rd_data + rd_len;
1184 	}
1185 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1186 			*rd_start, *rd_end);
1187 
1188 	return 0;
1189 }
1190 
1191 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1192 /**
1193  * boot_ramdisk_high - relocate init ramdisk
1194  * @lmb: pointer to lmb handle, will be used for memory mgmt
1195  * @rd_data: ramdisk data start address
1196  * @rd_len: ramdisk data length
1197  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1198  *      start address (after possible relocation)
1199  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1200  *      end address (after possible relocation)
1201  *
1202  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1203  * variable and if requested ramdisk data is moved to a specified location.
1204  *
1205  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1206  * start/end addresses if ramdisk image start and len were provided,
1207  * otherwise set initrd_start and initrd_end set to zeros.
1208  *
1209  * returns:
1210  *      0 - success
1211  *     -1 - failure
1212  */
1213 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1214 		  ulong *initrd_start, ulong *initrd_end)
1215 {
1216 	char	*s;
1217 	ulong	initrd_high;
1218 	int	initrd_copy_to_ram = 1;
1219 
1220 	if ((s = getenv("initrd_high")) != NULL) {
1221 		/* a value of "no" or a similar string will act like 0,
1222 		 * turning the "load high" feature off. This is intentional.
1223 		 */
1224 		initrd_high = simple_strtoul(s, NULL, 16);
1225 		if (initrd_high == ~0)
1226 			initrd_copy_to_ram = 0;
1227 	} else {
1228 		initrd_high = getenv_bootm_mapsize() + getenv_bootm_low();
1229 	}
1230 
1231 
1232 #ifdef CONFIG_LOGBUFFER
1233 	/* Prevent initrd from overwriting logbuffer */
1234 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1235 #endif
1236 
1237 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1238 			initrd_high, initrd_copy_to_ram);
1239 
1240 	if (rd_data) {
1241 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1242 			debug("   in-place initrd\n");
1243 			*initrd_start = rd_data;
1244 			*initrd_end = rd_data + rd_len;
1245 			lmb_reserve(lmb, rd_data, rd_len);
1246 		} else {
1247 			if (initrd_high)
1248 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1249 						rd_len, 0x1000, initrd_high);
1250 			else
1251 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1252 								 0x1000);
1253 
1254 			if (*initrd_start == 0) {
1255 				puts("ramdisk - allocation error\n");
1256 				goto error;
1257 			}
1258 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1259 
1260 			*initrd_end = *initrd_start + rd_len;
1261 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1262 					*initrd_start, *initrd_end);
1263 
1264 			memmove_wd((void *)*initrd_start,
1265 					(void *)rd_data, rd_len, CHUNKSZ);
1266 
1267 #ifdef CONFIG_MP
1268 			/*
1269 			 * Ensure the image is flushed to memory to handle
1270 			 * AMP boot scenarios in which we might not be
1271 			 * HW cache coherent
1272 			 */
1273 			flush_cache((unsigned long)*initrd_start, rd_len);
1274 #endif
1275 			puts("OK\n");
1276 		}
1277 	} else {
1278 		*initrd_start = 0;
1279 		*initrd_end = 0;
1280 	}
1281 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1282 			*initrd_start, *initrd_end);
1283 
1284 	return 0;
1285 
1286 error:
1287 	return -1;
1288 }
1289 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1290 
1291 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1292 		   ulong *setup_start, ulong *setup_len)
1293 {
1294 #if IMAGE_ENABLE_FIT
1295 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1296 #else
1297 	return -ENOENT;
1298 #endif
1299 }
1300 
1301 #if IMAGE_ENABLE_FIT
1302 #if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_XILINX)
1303 int boot_get_fpga(int argc, char * const argv[], bootm_headers_t *images,
1304 		  uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1305 {
1306 	ulong tmp_img_addr, img_data, img_len;
1307 	void *buf;
1308 	int conf_noffset;
1309 	int fit_img_result;
1310 	const char *uname, *name;
1311 	int err;
1312 	int devnum = 0; /* TODO support multi fpga platforms */
1313 	const fpga_desc * const desc = fpga_get_desc(devnum);
1314 	xilinx_desc *desc_xilinx = desc->devdesc;
1315 
1316 	/* Check to see if the images struct has a FIT configuration */
1317 	if (!genimg_has_config(images)) {
1318 		debug("## FIT configuration was not specified\n");
1319 		return 0;
1320 	}
1321 
1322 	/*
1323 	 * Obtain the os FIT header from the images struct
1324 	 * copy from dataflash if needed
1325 	 */
1326 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1327 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1328 	buf = map_sysmem(tmp_img_addr, 0);
1329 	/*
1330 	 * Check image type. For FIT images get FIT node
1331 	 * and attempt to locate a generic binary.
1332 	 */
1333 	switch (genimg_get_format(buf)) {
1334 	case IMAGE_FORMAT_FIT:
1335 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1336 
1337 		uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0,
1338 					   NULL);
1339 		if (!uname) {
1340 			debug("## FPGA image is not specified\n");
1341 			return 0;
1342 		}
1343 		fit_img_result = fit_image_load(images,
1344 						tmp_img_addr,
1345 						(const char **)&uname,
1346 						&(images->fit_uname_cfg),
1347 						arch,
1348 						IH_TYPE_FPGA,
1349 						BOOTSTAGE_ID_FPGA_INIT,
1350 						FIT_LOAD_OPTIONAL_NON_ZERO,
1351 						&img_data, &img_len);
1352 
1353 		debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
1354 		      uname, img_data, img_len);
1355 
1356 		if (fit_img_result < 0) {
1357 			/* Something went wrong! */
1358 			return fit_img_result;
1359 		}
1360 
1361 		if (img_len >= desc_xilinx->size) {
1362 			name = "full";
1363 			err = fpga_loadbitstream(devnum, (char *)img_data,
1364 						 img_len, BIT_FULL);
1365 			if (err)
1366 				err = fpga_load(devnum, (const void *)img_data,
1367 						img_len, BIT_FULL);
1368 		} else {
1369 			name = "partial";
1370 			err = fpga_loadbitstream(devnum, (char *)img_data,
1371 						 img_len, BIT_PARTIAL);
1372 			if (err)
1373 				err = fpga_load(devnum, (const void *)img_data,
1374 						img_len, BIT_PARTIAL);
1375 		}
1376 
1377 		printf("   Programming %s bitstream... ", name);
1378 		if (err)
1379 			printf("failed\n");
1380 		else
1381 			printf("OK\n");
1382 		break;
1383 	default:
1384 		printf("The given image format is not supported (corrupt?)\n");
1385 		return 1;
1386 	}
1387 
1388 	return 0;
1389 }
1390 #endif
1391 
1392 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1393 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1394 {
1395 	/*
1396 	 * These variables are used to hold the current image location
1397 	 * in system memory.
1398 	 */
1399 	ulong tmp_img_addr;
1400 	/*
1401 	 * These two variables are requirements for fit_image_load, but
1402 	 * their values are not used
1403 	 */
1404 	ulong img_data, img_len;
1405 	void *buf;
1406 	int loadables_index;
1407 	int conf_noffset;
1408 	int fit_img_result;
1409 	const char *uname;
1410 
1411 	/* Check to see if the images struct has a FIT configuration */
1412 	if (!genimg_has_config(images)) {
1413 		debug("## FIT configuration was not specified\n");
1414 		return 0;
1415 	}
1416 
1417 	/*
1418 	 * Obtain the os FIT header from the images struct
1419 	 * copy from dataflash if needed
1420 	 */
1421 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1422 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1423 	buf = map_sysmem(tmp_img_addr, 0);
1424 	/*
1425 	 * Check image type. For FIT images get FIT node
1426 	 * and attempt to locate a generic binary.
1427 	 */
1428 	switch (genimg_get_format(buf)) {
1429 	case IMAGE_FORMAT_FIT:
1430 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1431 
1432 		for (loadables_index = 0;
1433 		     uname = fdt_stringlist_get(buf, conf_noffset,
1434 					FIT_LOADABLE_PROP, loadables_index,
1435 					NULL), uname;
1436 		     loadables_index++)
1437 		{
1438 			fit_img_result = fit_image_load(images,
1439 				tmp_img_addr,
1440 				&uname,
1441 				&(images->fit_uname_cfg), arch,
1442 				IH_TYPE_LOADABLE,
1443 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1444 				FIT_LOAD_OPTIONAL_NON_ZERO,
1445 				&img_data, &img_len);
1446 			if (fit_img_result < 0) {
1447 				/* Something went wrong! */
1448 				return fit_img_result;
1449 			}
1450 		}
1451 		break;
1452 	default:
1453 		printf("The given image format is not supported (corrupt?)\n");
1454 		return 1;
1455 	}
1456 
1457 	return 0;
1458 }
1459 #endif
1460 
1461 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1462 /**
1463  * boot_get_cmdline - allocate and initialize kernel cmdline
1464  * @lmb: pointer to lmb handle, will be used for memory mgmt
1465  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1466  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1467  *
1468  * boot_get_cmdline() allocates space for kernel command line below
1469  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-Boot environemnt
1470  * variable is present its contents is copied to allocated kernel
1471  * command line.
1472  *
1473  * returns:
1474  *      0 - success
1475  *     -1 - failure
1476  */
1477 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1478 {
1479 	char *cmdline;
1480 	char *s;
1481 
1482 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1483 				getenv_bootm_mapsize() + getenv_bootm_low());
1484 
1485 	if (cmdline == NULL)
1486 		return -1;
1487 
1488 	if ((s = getenv("bootargs")) == NULL)
1489 		s = "";
1490 
1491 	strcpy(cmdline, s);
1492 
1493 	*cmd_start = (ulong) & cmdline[0];
1494 	*cmd_end = *cmd_start + strlen(cmdline);
1495 
1496 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1497 
1498 	return 0;
1499 }
1500 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1501 
1502 #ifdef CONFIG_SYS_BOOT_GET_KBD
1503 /**
1504  * boot_get_kbd - allocate and initialize kernel copy of board info
1505  * @lmb: pointer to lmb handle, will be used for memory mgmt
1506  * @kbd: double pointer to board info data
1507  *
1508  * boot_get_kbd() allocates space for kernel copy of board info data below
1509  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1510  * with the current u-boot board info data.
1511  *
1512  * returns:
1513  *      0 - success
1514  *     -1 - failure
1515  */
1516 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1517 {
1518 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1519 				getenv_bootm_mapsize() + getenv_bootm_low());
1520 	if (*kbd == NULL)
1521 		return -1;
1522 
1523 	**kbd = *(gd->bd);
1524 
1525 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1526 
1527 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1528 	do_bdinfo(NULL, 0, 0, NULL);
1529 #endif
1530 
1531 	return 0;
1532 }
1533 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1534 
1535 #ifdef CONFIG_LMB
1536 int image_setup_linux(bootm_headers_t *images)
1537 {
1538 	ulong of_size = images->ft_len;
1539 	char **of_flat_tree = &images->ft_addr;
1540 	ulong *initrd_start = &images->initrd_start;
1541 	ulong *initrd_end = &images->initrd_end;
1542 	struct lmb *lmb = &images->lmb;
1543 	ulong rd_len;
1544 	int ret;
1545 
1546 	if (IMAGE_ENABLE_OF_LIBFDT)
1547 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1548 
1549 	if (IMAGE_BOOT_GET_CMDLINE) {
1550 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1551 				&images->cmdline_end);
1552 		if (ret) {
1553 			puts("ERROR with allocation of cmdline\n");
1554 			return ret;
1555 		}
1556 	}
1557 	if (IMAGE_ENABLE_RAMDISK_HIGH) {
1558 		rd_len = images->rd_end - images->rd_start;
1559 		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1560 				initrd_start, initrd_end);
1561 		if (ret)
1562 			return ret;
1563 	}
1564 
1565 	if (IMAGE_ENABLE_OF_LIBFDT) {
1566 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1567 		if (ret)
1568 			return ret;
1569 	}
1570 
1571 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1572 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1573 		if (ret)
1574 			return ret;
1575 	}
1576 
1577 	return 0;
1578 }
1579 #endif /* CONFIG_LMB */
1580 #endif /* !USE_HOSTCC */
1581