xref: /openbmc/u-boot/common/image.c (revision ec90ac73)
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 char msg[30];
591 
592 	strcpy(msg, "Unknown ");
593 	strcat(msg, table_info[category].desc);
594 
595 	return msg;
596 }
597 
598 /**
599  * get_cat_table_entry_name - translate entry id to long name
600  * @category: category to look up (enum ih_category)
601  * @id: entry id to be translated
602  *
603  * This will scan the translation table trying to find the entry that matches
604  * the given id.
605  *
606  * @retur long entry name if translation succeeds; error string on failure
607  */
608 const char *genimg_get_cat_name(enum ih_category category, uint id)
609 {
610 	const table_entry_t *entry;
611 
612 	entry = get_table_entry(table_info[category].table, id);
613 	if (!entry)
614 		return unknown_msg(category);
615 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
616 	return entry->lname;
617 #else
618 	return entry->lname + gd->reloc_off;
619 #endif
620 }
621 
622 /**
623  * get_cat_table_entry_short_name - translate entry id to short name
624  * @category: category to look up (enum ih_category)
625  * @id: entry id to be translated
626  *
627  * This will scan the translation table trying to find the entry that matches
628  * the given id.
629  *
630  * @retur short entry name if translation succeeds; error string on failure
631  */
632 const char *genimg_get_cat_short_name(enum ih_category category, uint id)
633 {
634 	const table_entry_t *entry;
635 
636 	entry = get_table_entry(table_info[category].table, id);
637 	if (!entry)
638 		return unknown_msg(category);
639 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
640 	return entry->sname;
641 #else
642 	return entry->sname + gd->reloc_off;
643 #endif
644 }
645 
646 int genimg_get_cat_count(enum ih_category category)
647 {
648 	return table_info[category].count;
649 }
650 
651 const char *genimg_get_cat_desc(enum ih_category category)
652 {
653 	return table_info[category].desc;
654 }
655 
656 /**
657  * get_table_entry_name - translate entry id to long name
658  * @table: pointer to a translation table for entries of a specific type
659  * @msg: message to be returned when translation fails
660  * @id: entry id to be translated
661  *
662  * get_table_entry_name() will go over translation table trying to find
663  * entry that matches given id. If matching entry is found, its long
664  * name is returned to the caller.
665  *
666  * returns:
667  *     long entry name if translation succeeds
668  *     msg otherwise
669  */
670 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
671 {
672 	table = get_table_entry(table, id);
673 	if (!table)
674 		return msg;
675 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
676 	return table->lname;
677 #else
678 	return table->lname + gd->reloc_off;
679 #endif
680 }
681 
682 const char *genimg_get_os_name(uint8_t os)
683 {
684 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
685 }
686 
687 const char *genimg_get_arch_name(uint8_t arch)
688 {
689 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
690 					arch));
691 }
692 
693 const char *genimg_get_type_name(uint8_t type)
694 {
695 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
696 }
697 
698 static const char *genimg_get_short_name(const table_entry_t *table, int val)
699 {
700 	table = get_table_entry(table, val);
701 	if (!table)
702 		return "unknown";
703 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
704 	return table->sname;
705 #else
706 	return table->sname + gd->reloc_off;
707 #endif
708 }
709 
710 const char *genimg_get_type_short_name(uint8_t type)
711 {
712 	return genimg_get_short_name(uimage_type, type);
713 }
714 
715 const char *genimg_get_comp_name(uint8_t comp)
716 {
717 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
718 					comp));
719 }
720 
721 const char *genimg_get_comp_short_name(uint8_t comp)
722 {
723 	return genimg_get_short_name(uimage_comp, comp);
724 }
725 
726 const char *genimg_get_os_short_name(uint8_t os)
727 {
728 	return genimg_get_short_name(uimage_os, os);
729 }
730 
731 const char *genimg_get_arch_short_name(uint8_t arch)
732 {
733 	return genimg_get_short_name(uimage_arch, arch);
734 }
735 
736 /**
737  * get_table_entry_id - translate short entry name to id
738  * @table: pointer to a translation table for entries of a specific type
739  * @table_name: to be used in case of error
740  * @name: entry short name to be translated
741  *
742  * get_table_entry_id() will go over translation table trying to find
743  * entry that matches given short name. If matching entry is found,
744  * its id returned to the caller.
745  *
746  * returns:
747  *     entry id if translation succeeds
748  *     -1 otherwise
749  */
750 int get_table_entry_id(const table_entry_t *table,
751 		const char *table_name, const char *name)
752 {
753 	const table_entry_t *t;
754 
755 	for (t = table; t->id >= 0; ++t) {
756 #ifdef CONFIG_NEEDS_MANUAL_RELOC
757 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
758 #else
759 		if (t->sname && strcasecmp(t->sname, name) == 0)
760 #endif
761 			return (t->id);
762 	}
763 	debug("Invalid %s Type: %s\n", table_name, name);
764 
765 	return -1;
766 }
767 
768 int genimg_get_os_id(const char *name)
769 {
770 	return (get_table_entry_id(uimage_os, "OS", name));
771 }
772 
773 int genimg_get_arch_id(const char *name)
774 {
775 	return (get_table_entry_id(uimage_arch, "CPU", name));
776 }
777 
778 int genimg_get_type_id(const char *name)
779 {
780 	return (get_table_entry_id(uimage_type, "Image", name));
781 }
782 
783 int genimg_get_comp_id(const char *name)
784 {
785 	return (get_table_entry_id(uimage_comp, "Compression", name));
786 }
787 
788 #ifndef USE_HOSTCC
789 /**
790  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
791  *                              FIT strings
792  * @img_addr: a string might contain real image address
793  * @fit_uname_config: double pointer to a char, will hold pointer to a
794  *                    configuration unit name
795  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
796  *                    name
797  *
798  * genimg_get_kernel_addr_fit get the real kernel start address from a string
799  * which is normally the first argv of bootm/bootz
800  *
801  * returns:
802  *     kernel start address
803  */
804 ulong genimg_get_kernel_addr_fit(char * const img_addr,
805 			     const char **fit_uname_config,
806 			     const char **fit_uname_kernel)
807 {
808 	ulong kernel_addr;
809 
810 	/* find out kernel image address */
811 	if (!img_addr) {
812 		kernel_addr = load_addr;
813 		debug("*  kernel: default image load address = 0x%08lx\n",
814 		      load_addr);
815 #if CONFIG_IS_ENABLED(FIT)
816 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
817 				  fit_uname_config)) {
818 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
819 		      *fit_uname_config, kernel_addr);
820 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
821 				     fit_uname_kernel)) {
822 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
823 		      *fit_uname_kernel, kernel_addr);
824 #endif
825 	} else {
826 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
827 		debug("*  kernel: cmdline image address = 0x%08lx\n",
828 		      kernel_addr);
829 	}
830 
831 	return kernel_addr;
832 }
833 
834 /**
835  * genimg_get_kernel_addr() is the simple version of
836  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
837  */
838 ulong genimg_get_kernel_addr(char * const img_addr)
839 {
840 	const char *fit_uname_config = NULL;
841 	const char *fit_uname_kernel = NULL;
842 
843 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
844 					  &fit_uname_kernel);
845 }
846 
847 /**
848  * genimg_get_format - get image format type
849  * @img_addr: image start address
850  *
851  * genimg_get_format() checks whether provided address points to a valid
852  * legacy or FIT image.
853  *
854  * New uImage format and FDT blob are based on a libfdt. FDT blob
855  * may be passed directly or embedded in a FIT image. In both situations
856  * genimg_get_format() must be able to dectect libfdt header.
857  *
858  * returns:
859  *     image format type or IMAGE_FORMAT_INVALID if no image is present
860  */
861 int genimg_get_format(const void *img_addr)
862 {
863 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
864 	const image_header_t *hdr;
865 
866 	hdr = (const image_header_t *)img_addr;
867 	if (image_check_magic(hdr))
868 		return IMAGE_FORMAT_LEGACY;
869 #endif
870 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
871 	if (fdt_check_header(img_addr) == 0)
872 		return IMAGE_FORMAT_FIT;
873 #endif
874 #ifdef CONFIG_ANDROID_BOOT_IMAGE
875 	if (android_image_check_header(img_addr) == 0)
876 		return IMAGE_FORMAT_ANDROID;
877 #endif
878 
879 	return IMAGE_FORMAT_INVALID;
880 }
881 
882 /**
883  * genimg_get_image - get image from special storage (if necessary)
884  * @img_addr: image start address
885  *
886  * genimg_get_image() checks if provided image start address is located
887  * in a dataflash storage. If so, image is moved to a system RAM memory.
888  *
889  * returns:
890  *     image start address after possible relocation from special storage
891  */
892 ulong genimg_get_image(ulong img_addr)
893 {
894 	ulong ram_addr = img_addr;
895 
896 #ifdef CONFIG_HAS_DATAFLASH
897 	ulong h_size, d_size;
898 
899 	if (addr_dataflash(img_addr)) {
900 		void *buf;
901 
902 		/* ger RAM address */
903 		ram_addr = CONFIG_SYS_LOAD_ADDR;
904 
905 		/* get header size */
906 		h_size = image_get_header_size();
907 #if IMAGE_ENABLE_FIT
908 		if (sizeof(struct fdt_header) > h_size)
909 			h_size = sizeof(struct fdt_header);
910 #endif
911 
912 		/* read in header */
913 		debug("   Reading image header from dataflash address "
914 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
915 
916 		buf = map_sysmem(ram_addr, 0);
917 		read_dataflash(img_addr, h_size, buf);
918 
919 		/* get data size */
920 		switch (genimg_get_format(buf)) {
921 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
922 		case IMAGE_FORMAT_LEGACY:
923 			d_size = image_get_data_size(buf);
924 			debug("   Legacy format image found at 0x%08lx, "
925 					"size 0x%08lx\n",
926 					ram_addr, d_size);
927 			break;
928 #endif
929 #if IMAGE_ENABLE_FIT
930 		case IMAGE_FORMAT_FIT:
931 			d_size = fit_get_size(buf) - h_size;
932 			debug("   FIT/FDT format image found at 0x%08lx, "
933 					"size 0x%08lx\n",
934 					ram_addr, d_size);
935 			break;
936 #endif
937 		default:
938 			printf("   No valid image found at 0x%08lx\n",
939 				img_addr);
940 			return ram_addr;
941 		}
942 
943 		/* read in image data */
944 		debug("   Reading image remaining data from dataflash address "
945 			"%08lx to RAM address %08lx\n", img_addr + h_size,
946 			ram_addr + h_size);
947 
948 		read_dataflash(img_addr + h_size, d_size,
949 				(char *)(buf + h_size));
950 
951 	}
952 #endif /* CONFIG_HAS_DATAFLASH */
953 
954 	return ram_addr;
955 }
956 
957 /**
958  * fit_has_config - check if there is a valid FIT configuration
959  * @images: pointer to the bootm command headers structure
960  *
961  * fit_has_config() checks if there is a FIT configuration in use
962  * (if FTI support is present).
963  *
964  * returns:
965  *     0, no FIT support or no configuration found
966  *     1, configuration found
967  */
968 int genimg_has_config(bootm_headers_t *images)
969 {
970 #if IMAGE_ENABLE_FIT
971 	if (images->fit_uname_cfg)
972 		return 1;
973 #endif
974 	return 0;
975 }
976 
977 /**
978  * boot_get_ramdisk - main ramdisk handling routine
979  * @argc: command argument count
980  * @argv: command argument list
981  * @images: pointer to the bootm images structure
982  * @arch: expected ramdisk architecture
983  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
984  * @rd_end: pointer to a ulong variable, will hold ramdisk end
985  *
986  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
987  * Curently supported are the following ramdisk sources:
988  *      - multicomponent kernel/ramdisk image,
989  *      - commandline provided address of decicated ramdisk image.
990  *
991  * returns:
992  *     0, if ramdisk image was found and valid, or skiped
993  *     rd_start and rd_end are set to ramdisk start/end addresses if
994  *     ramdisk image is found and valid
995  *
996  *     1, if ramdisk image is found but corrupted, or invalid
997  *     rd_start and rd_end are set to 0 if no ramdisk exists
998  */
999 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
1000 		uint8_t arch, ulong *rd_start, ulong *rd_end)
1001 {
1002 	ulong rd_addr, rd_load;
1003 	ulong rd_data, rd_len;
1004 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
1005 	const image_header_t *rd_hdr;
1006 #endif
1007 	void *buf;
1008 #ifdef CONFIG_SUPPORT_RAW_INITRD
1009 	char *end;
1010 #endif
1011 #if IMAGE_ENABLE_FIT
1012 	const char	*fit_uname_config = images->fit_uname_cfg;
1013 	const char	*fit_uname_ramdisk = NULL;
1014 	ulong		default_addr;
1015 	int		rd_noffset;
1016 #endif
1017 	const char *select = NULL;
1018 
1019 	*rd_start = 0;
1020 	*rd_end = 0;
1021 
1022 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1023 	/*
1024 	 * Look for an Android boot image.
1025 	 */
1026 	buf = map_sysmem(images->os.start, 0);
1027 	if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
1028 		select = argv[0];
1029 #endif
1030 
1031 	if (argc >= 2)
1032 		select = argv[1];
1033 
1034 	/*
1035 	 * Look for a '-' which indicates to ignore the
1036 	 * ramdisk argument
1037 	 */
1038 	if (select && strcmp(select, "-") ==  0) {
1039 		debug("## Skipping init Ramdisk\n");
1040 		rd_len = rd_data = 0;
1041 	} else if (select || genimg_has_config(images)) {
1042 #if IMAGE_ENABLE_FIT
1043 		if (select) {
1044 			/*
1045 			 * If the init ramdisk comes from the FIT image and
1046 			 * the FIT image address is omitted in the command
1047 			 * line argument, try to use os FIT image address or
1048 			 * default load address.
1049 			 */
1050 			if (images->fit_uname_os)
1051 				default_addr = (ulong)images->fit_hdr_os;
1052 			else
1053 				default_addr = load_addr;
1054 
1055 			if (fit_parse_conf(select, default_addr,
1056 					   &rd_addr, &fit_uname_config)) {
1057 				debug("*  ramdisk: config '%s' from image at "
1058 						"0x%08lx\n",
1059 						fit_uname_config, rd_addr);
1060 			} else if (fit_parse_subimage(select, default_addr,
1061 						&rd_addr, &fit_uname_ramdisk)) {
1062 				debug("*  ramdisk: subimage '%s' from image at "
1063 						"0x%08lx\n",
1064 						fit_uname_ramdisk, rd_addr);
1065 			} else
1066 #endif
1067 			{
1068 				rd_addr = simple_strtoul(select, NULL, 16);
1069 				debug("*  ramdisk: cmdline image address = "
1070 						"0x%08lx\n",
1071 						rd_addr);
1072 			}
1073 #if IMAGE_ENABLE_FIT
1074 		} else {
1075 			/* use FIT configuration provided in first bootm
1076 			 * command argument. If the property is not defined,
1077 			 * quit silently.
1078 			 */
1079 			rd_addr = map_to_sysmem(images->fit_hdr_os);
1080 			rd_noffset = fit_get_node_from_config(images,
1081 					FIT_RAMDISK_PROP, rd_addr);
1082 			if (rd_noffset == -ENOENT)
1083 				return 0;
1084 			else if (rd_noffset < 0)
1085 				return 1;
1086 		}
1087 #endif
1088 
1089 		/* copy from dataflash if needed */
1090 		rd_addr = genimg_get_image(rd_addr);
1091 
1092 		/*
1093 		 * Check if there is an initrd image at the
1094 		 * address provided in the second bootm argument
1095 		 * check image type, for FIT images get FIT node.
1096 		 */
1097 		buf = map_sysmem(rd_addr, 0);
1098 		switch (genimg_get_format(buf)) {
1099 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
1100 		case IMAGE_FORMAT_LEGACY:
1101 			printf("## Loading init Ramdisk from Legacy "
1102 					"Image at %08lx ...\n", rd_addr);
1103 
1104 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
1105 			rd_hdr = image_get_ramdisk(rd_addr, arch,
1106 							images->verify);
1107 
1108 			if (rd_hdr == NULL)
1109 				return 1;
1110 
1111 			rd_data = image_get_data(rd_hdr);
1112 			rd_len = image_get_data_size(rd_hdr);
1113 			rd_load = image_get_load(rd_hdr);
1114 			break;
1115 #endif
1116 #if IMAGE_ENABLE_FIT
1117 		case IMAGE_FORMAT_FIT:
1118 			rd_noffset = fit_image_load(images,
1119 					rd_addr, &fit_uname_ramdisk,
1120 					&fit_uname_config, arch,
1121 					IH_TYPE_RAMDISK,
1122 					BOOTSTAGE_ID_FIT_RD_START,
1123 					FIT_LOAD_OPTIONAL_NON_ZERO,
1124 					&rd_data, &rd_len);
1125 			if (rd_noffset < 0)
1126 				return 1;
1127 
1128 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1129 			images->fit_uname_rd = fit_uname_ramdisk;
1130 			images->fit_noffset_rd = rd_noffset;
1131 			break;
1132 #endif
1133 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1134 		case IMAGE_FORMAT_ANDROID:
1135 			android_image_get_ramdisk((void *)images->os.start,
1136 				&rd_data, &rd_len);
1137 			break;
1138 #endif
1139 		default:
1140 #ifdef CONFIG_SUPPORT_RAW_INITRD
1141 			end = NULL;
1142 			if (select)
1143 				end = strchr(select, ':');
1144 			if (end) {
1145 				rd_len = simple_strtoul(++end, NULL, 16);
1146 				rd_data = rd_addr;
1147 			} else
1148 #endif
1149 			{
1150 				puts("Wrong Ramdisk Image Format\n");
1151 				rd_data = rd_len = rd_load = 0;
1152 				return 1;
1153 			}
1154 		}
1155 	} else if (images->legacy_hdr_valid &&
1156 			image_check_type(&images->legacy_hdr_os_copy,
1157 						IH_TYPE_MULTI)) {
1158 
1159 		/*
1160 		 * Now check if we have a legacy mult-component image,
1161 		 * get second entry data start address and len.
1162 		 */
1163 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1164 		printf("## Loading init Ramdisk from multi component "
1165 				"Legacy Image at %08lx ...\n",
1166 				(ulong)images->legacy_hdr_os);
1167 
1168 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1169 	} else {
1170 		/*
1171 		 * no initrd image
1172 		 */
1173 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1174 		rd_len = rd_data = 0;
1175 	}
1176 
1177 	if (!rd_data) {
1178 		debug("## No init Ramdisk\n");
1179 	} else {
1180 		*rd_start = rd_data;
1181 		*rd_end = rd_data + rd_len;
1182 	}
1183 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1184 			*rd_start, *rd_end);
1185 
1186 	return 0;
1187 }
1188 
1189 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1190 /**
1191  * boot_ramdisk_high - relocate init ramdisk
1192  * @lmb: pointer to lmb handle, will be used for memory mgmt
1193  * @rd_data: ramdisk data start address
1194  * @rd_len: ramdisk data length
1195  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1196  *      start address (after possible relocation)
1197  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1198  *      end address (after possible relocation)
1199  *
1200  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1201  * variable and if requested ramdisk data is moved to a specified location.
1202  *
1203  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1204  * start/end addresses if ramdisk image start and len were provided,
1205  * otherwise set initrd_start and initrd_end set to zeros.
1206  *
1207  * returns:
1208  *      0 - success
1209  *     -1 - failure
1210  */
1211 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1212 		  ulong *initrd_start, ulong *initrd_end)
1213 {
1214 	char	*s;
1215 	ulong	initrd_high;
1216 	int	initrd_copy_to_ram = 1;
1217 
1218 	if ((s = getenv("initrd_high")) != NULL) {
1219 		/* a value of "no" or a similar string will act like 0,
1220 		 * turning the "load high" feature off. This is intentional.
1221 		 */
1222 		initrd_high = simple_strtoul(s, NULL, 16);
1223 		if (initrd_high == ~0)
1224 			initrd_copy_to_ram = 0;
1225 	} else {
1226 		initrd_high = getenv_bootm_mapsize() + getenv_bootm_low();
1227 	}
1228 
1229 
1230 #ifdef CONFIG_LOGBUFFER
1231 	/* Prevent initrd from overwriting logbuffer */
1232 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1233 #endif
1234 
1235 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1236 			initrd_high, initrd_copy_to_ram);
1237 
1238 	if (rd_data) {
1239 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1240 			debug("   in-place initrd\n");
1241 			*initrd_start = rd_data;
1242 			*initrd_end = rd_data + rd_len;
1243 			lmb_reserve(lmb, rd_data, rd_len);
1244 		} else {
1245 			if (initrd_high)
1246 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1247 						rd_len, 0x1000, initrd_high);
1248 			else
1249 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1250 								 0x1000);
1251 
1252 			if (*initrd_start == 0) {
1253 				puts("ramdisk - allocation error\n");
1254 				goto error;
1255 			}
1256 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1257 
1258 			*initrd_end = *initrd_start + rd_len;
1259 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1260 					*initrd_start, *initrd_end);
1261 
1262 			memmove_wd((void *)*initrd_start,
1263 					(void *)rd_data, rd_len, CHUNKSZ);
1264 
1265 #ifdef CONFIG_MP
1266 			/*
1267 			 * Ensure the image is flushed to memory to handle
1268 			 * AMP boot scenarios in which we might not be
1269 			 * HW cache coherent
1270 			 */
1271 			flush_cache((unsigned long)*initrd_start, rd_len);
1272 #endif
1273 			puts("OK\n");
1274 		}
1275 	} else {
1276 		*initrd_start = 0;
1277 		*initrd_end = 0;
1278 	}
1279 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1280 			*initrd_start, *initrd_end);
1281 
1282 	return 0;
1283 
1284 error:
1285 	return -1;
1286 }
1287 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1288 
1289 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1290 		   ulong *setup_start, ulong *setup_len)
1291 {
1292 #if IMAGE_ENABLE_FIT
1293 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1294 #else
1295 	return -ENOENT;
1296 #endif
1297 }
1298 
1299 #if IMAGE_ENABLE_FIT
1300 #if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_XILINX)
1301 int boot_get_fpga(int argc, char * const argv[], bootm_headers_t *images,
1302 		  uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1303 {
1304 	ulong tmp_img_addr, img_data, img_len;
1305 	void *buf;
1306 	int conf_noffset;
1307 	int fit_img_result;
1308 	char *uname, *name;
1309 	int err;
1310 	int devnum = 0; /* TODO support multi fpga platforms */
1311 	const fpga_desc * const desc = fpga_get_desc(devnum);
1312 	xilinx_desc *desc_xilinx = desc->devdesc;
1313 
1314 	/* Check to see if the images struct has a FIT configuration */
1315 	if (!genimg_has_config(images)) {
1316 		debug("## FIT configuration was not specified\n");
1317 		return 0;
1318 	}
1319 
1320 	/*
1321 	 * Obtain the os FIT header from the images struct
1322 	 * copy from dataflash if needed
1323 	 */
1324 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1325 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1326 	buf = map_sysmem(tmp_img_addr, 0);
1327 	/*
1328 	 * Check image type. For FIT images get FIT node
1329 	 * and attempt to locate a generic binary.
1330 	 */
1331 	switch (genimg_get_format(buf)) {
1332 	case IMAGE_FORMAT_FIT:
1333 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1334 
1335 		err = fdt_get_string_index(buf, conf_noffset, FIT_FPGA_PROP, 0,
1336 					   (const char **)&uname);
1337 		if (err < 0) {
1338 			debug("## FPGA image is not specified\n");
1339 			return 0;
1340 		}
1341 		fit_img_result = fit_image_load(images,
1342 						tmp_img_addr,
1343 						(const char **)&uname,
1344 						&(images->fit_uname_cfg),
1345 						arch,
1346 						IH_TYPE_FPGA,
1347 						BOOTSTAGE_ID_FPGA_INIT,
1348 						FIT_LOAD_OPTIONAL_NON_ZERO,
1349 						&img_data, &img_len);
1350 
1351 		debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
1352 		      uname, img_data, img_len);
1353 
1354 		if (fit_img_result < 0) {
1355 			/* Something went wrong! */
1356 			return fit_img_result;
1357 		}
1358 
1359 		if (img_len >= desc_xilinx->size) {
1360 			name = "full";
1361 			err = fpga_loadbitstream(devnum, (char *)img_data,
1362 						 img_len, BIT_FULL);
1363 			if (err)
1364 				err = fpga_load(devnum, (const void *)img_data,
1365 						img_len, BIT_FULL);
1366 		} else {
1367 			name = "partial";
1368 			err = fpga_loadbitstream(devnum, (char *)img_data,
1369 						 img_len, BIT_PARTIAL);
1370 			if (err)
1371 				err = fpga_load(devnum, (const void *)img_data,
1372 						img_len, BIT_PARTIAL);
1373 		}
1374 
1375 		printf("   Programming %s bitstream... ", name);
1376 		if (err)
1377 			printf("failed\n");
1378 		else
1379 			printf("OK\n");
1380 		break;
1381 	default:
1382 		printf("The given image format is not supported (corrupt?)\n");
1383 		return 1;
1384 	}
1385 
1386 	return 0;
1387 }
1388 #endif
1389 
1390 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1391 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1392 {
1393 	/*
1394 	 * These variables are used to hold the current image location
1395 	 * in system memory.
1396 	 */
1397 	ulong tmp_img_addr;
1398 	/*
1399 	 * These two variables are requirements for fit_image_load, but
1400 	 * their values are not used
1401 	 */
1402 	ulong img_data, img_len;
1403 	void *buf;
1404 	int loadables_index;
1405 	int conf_noffset;
1406 	int fit_img_result;
1407 	char *uname;
1408 
1409 	/* Check to see if the images struct has a FIT configuration */
1410 	if (!genimg_has_config(images)) {
1411 		debug("## FIT configuration was not specified\n");
1412 		return 0;
1413 	}
1414 
1415 	/*
1416 	 * Obtain the os FIT header from the images struct
1417 	 * copy from dataflash if needed
1418 	 */
1419 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1420 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1421 	buf = map_sysmem(tmp_img_addr, 0);
1422 	/*
1423 	 * Check image type. For FIT images get FIT node
1424 	 * and attempt to locate a generic binary.
1425 	 */
1426 	switch (genimg_get_format(buf)) {
1427 	case IMAGE_FORMAT_FIT:
1428 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1429 
1430 		for (loadables_index = 0;
1431 		     fdt_get_string_index(buf, conf_noffset,
1432 				FIT_LOADABLE_PROP,
1433 				loadables_index,
1434 				(const char **)&uname) == 0;
1435 		     loadables_index++)
1436 		{
1437 			fit_img_result = fit_image_load(images,
1438 				tmp_img_addr,
1439 				(const char **)&uname,
1440 				&(images->fit_uname_cfg), arch,
1441 				IH_TYPE_LOADABLE,
1442 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1443 				FIT_LOAD_OPTIONAL_NON_ZERO,
1444 				&img_data, &img_len);
1445 			if (fit_img_result < 0) {
1446 				/* Something went wrong! */
1447 				return fit_img_result;
1448 			}
1449 		}
1450 		break;
1451 	default:
1452 		printf("The given image format is not supported (corrupt?)\n");
1453 		return 1;
1454 	}
1455 
1456 	return 0;
1457 }
1458 #endif
1459 
1460 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1461 /**
1462  * boot_get_cmdline - allocate and initialize kernel cmdline
1463  * @lmb: pointer to lmb handle, will be used for memory mgmt
1464  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1465  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1466  *
1467  * boot_get_cmdline() allocates space for kernel command line below
1468  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-Boot environemnt
1469  * variable is present its contents is copied to allocated kernel
1470  * command line.
1471  *
1472  * returns:
1473  *      0 - success
1474  *     -1 - failure
1475  */
1476 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1477 {
1478 	char *cmdline;
1479 	char *s;
1480 
1481 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1482 				getenv_bootm_mapsize() + getenv_bootm_low());
1483 
1484 	if (cmdline == NULL)
1485 		return -1;
1486 
1487 	if ((s = getenv("bootargs")) == NULL)
1488 		s = "";
1489 
1490 	strcpy(cmdline, s);
1491 
1492 	*cmd_start = (ulong) & cmdline[0];
1493 	*cmd_end = *cmd_start + strlen(cmdline);
1494 
1495 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1496 
1497 	return 0;
1498 }
1499 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1500 
1501 #ifdef CONFIG_SYS_BOOT_GET_KBD
1502 /**
1503  * boot_get_kbd - allocate and initialize kernel copy of board info
1504  * @lmb: pointer to lmb handle, will be used for memory mgmt
1505  * @kbd: double pointer to board info data
1506  *
1507  * boot_get_kbd() allocates space for kernel copy of board info data below
1508  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1509  * with the current u-boot board info data.
1510  *
1511  * returns:
1512  *      0 - success
1513  *     -1 - failure
1514  */
1515 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1516 {
1517 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1518 				getenv_bootm_mapsize() + getenv_bootm_low());
1519 	if (*kbd == NULL)
1520 		return -1;
1521 
1522 	**kbd = *(gd->bd);
1523 
1524 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1525 
1526 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1527 	do_bdinfo(NULL, 0, 0, NULL);
1528 #endif
1529 
1530 	return 0;
1531 }
1532 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1533 
1534 #ifdef CONFIG_LMB
1535 int image_setup_linux(bootm_headers_t *images)
1536 {
1537 	ulong of_size = images->ft_len;
1538 	char **of_flat_tree = &images->ft_addr;
1539 	ulong *initrd_start = &images->initrd_start;
1540 	ulong *initrd_end = &images->initrd_end;
1541 	struct lmb *lmb = &images->lmb;
1542 	ulong rd_len;
1543 	int ret;
1544 
1545 	if (IMAGE_ENABLE_OF_LIBFDT)
1546 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1547 
1548 	if (IMAGE_BOOT_GET_CMDLINE) {
1549 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1550 				&images->cmdline_end);
1551 		if (ret) {
1552 			puts("ERROR with allocation of cmdline\n");
1553 			return ret;
1554 		}
1555 	}
1556 	if (IMAGE_ENABLE_RAMDISK_HIGH) {
1557 		rd_len = images->rd_end - images->rd_start;
1558 		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1559 				initrd_start, initrd_end);
1560 		if (ret)
1561 			return ret;
1562 	}
1563 
1564 	if (IMAGE_ENABLE_OF_LIBFDT) {
1565 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1566 		if (ret)
1567 			return ret;
1568 	}
1569 
1570 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1571 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1572 		if (ret)
1573 			return ret;
1574 	}
1575 
1576 	return 0;
1577 }
1578 #endif /* CONFIG_LMB */
1579 #endif /* !USE_HOSTCC */
1580