xref: /openbmc/u-boot/common/image.c (revision a904a16b)
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 	{       IH_TYPE_TEE,        "tee",        "Trusted Execution Environment Image",},
169 	{	IH_TYPE_FIRMWARE_IVT, "firmware_ivt", "Firmware with HABv4 IVT" },
170 	{       IH_TYPE_PMMC,        "pmmc",        "TI Power Management Micro-Controller Firmware",},
171 	{	-1,		    "",		  "",			},
172 };
173 
174 static const table_entry_t uimage_comp[] = {
175 	{	IH_COMP_NONE,	"none",		"uncompressed",		},
176 	{	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	},
177 	{	IH_COMP_GZIP,	"gzip",		"gzip compressed",	},
178 	{	IH_COMP_LZMA,	"lzma",		"lzma compressed",	},
179 	{	IH_COMP_LZO,	"lzo",		"lzo compressed",	},
180 	{	IH_COMP_LZ4,	"lz4",		"lz4 compressed",	},
181 	{	-1,		"",		"",			},
182 };
183 
184 struct table_info {
185 	const char *desc;
186 	int count;
187 	const table_entry_t *table;
188 };
189 
190 static const struct table_info table_info[IH_COUNT] = {
191 	{ "architecture", IH_ARCH_COUNT, uimage_arch },
192 	{ "compression", IH_COMP_COUNT, uimage_comp },
193 	{ "operating system", IH_OS_COUNT, uimage_os },
194 	{ "image type", IH_TYPE_COUNT, uimage_type },
195 };
196 
197 /*****************************************************************************/
198 /* Legacy format routines */
199 /*****************************************************************************/
200 int image_check_hcrc(const image_header_t *hdr)
201 {
202 	ulong hcrc;
203 	ulong len = image_get_header_size();
204 	image_header_t header;
205 
206 	/* Copy header so we can blank CRC field for re-calculation */
207 	memmove(&header, (char *)hdr, image_get_header_size());
208 	image_set_hcrc(&header, 0);
209 
210 	hcrc = crc32(0, (unsigned char *)&header, len);
211 
212 	return (hcrc == image_get_hcrc(hdr));
213 }
214 
215 int image_check_dcrc(const image_header_t *hdr)
216 {
217 	ulong data = image_get_data(hdr);
218 	ulong len = image_get_data_size(hdr);
219 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
220 
221 	return (dcrc == image_get_dcrc(hdr));
222 }
223 
224 /**
225  * image_multi_count - get component (sub-image) count
226  * @hdr: pointer to the header of the multi component image
227  *
228  * image_multi_count() returns number of components in a multi
229  * component image.
230  *
231  * Note: no checking of the image type is done, caller must pass
232  * a valid multi component image.
233  *
234  * returns:
235  *     number of components
236  */
237 ulong image_multi_count(const image_header_t *hdr)
238 {
239 	ulong i, count = 0;
240 	uint32_t *size;
241 
242 	/* get start of the image payload, which in case of multi
243 	 * component images that points to a table of component sizes */
244 	size = (uint32_t *)image_get_data(hdr);
245 
246 	/* count non empty slots */
247 	for (i = 0; size[i]; ++i)
248 		count++;
249 
250 	return count;
251 }
252 
253 /**
254  * image_multi_getimg - get component data address and size
255  * @hdr: pointer to the header of the multi component image
256  * @idx: index of the requested component
257  * @data: pointer to a ulong variable, will hold component data address
258  * @len: pointer to a ulong variable, will hold component size
259  *
260  * image_multi_getimg() returns size and data address for the requested
261  * component in a multi component image.
262  *
263  * Note: no checking of the image type is done, caller must pass
264  * a valid multi component image.
265  *
266  * returns:
267  *     data address and size of the component, if idx is valid
268  *     0 in data and len, if idx is out of range
269  */
270 void image_multi_getimg(const image_header_t *hdr, ulong idx,
271 			ulong *data, ulong *len)
272 {
273 	int i;
274 	uint32_t *size;
275 	ulong offset, count, img_data;
276 
277 	/* get number of component */
278 	count = image_multi_count(hdr);
279 
280 	/* get start of the image payload, which in case of multi
281 	 * component images that points to a table of component sizes */
282 	size = (uint32_t *)image_get_data(hdr);
283 
284 	/* get address of the proper component data start, which means
285 	 * skipping sizes table (add 1 for last, null entry) */
286 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
287 
288 	if (idx < count) {
289 		*len = uimage_to_cpu(size[idx]);
290 		offset = 0;
291 
292 		/* go over all indices preceding requested component idx */
293 		for (i = 0; i < idx; i++) {
294 			/* add up i-th component size, rounding up to 4 bytes */
295 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
296 		}
297 
298 		/* calculate idx-th component data address */
299 		*data = img_data + offset;
300 	} else {
301 		*len = 0;
302 		*data = 0;
303 	}
304 }
305 
306 static void image_print_type(const image_header_t *hdr)
307 {
308 	const char __maybe_unused *os, *arch, *type, *comp;
309 
310 	os = genimg_get_os_name(image_get_os(hdr));
311 	arch = genimg_get_arch_name(image_get_arch(hdr));
312 	type = genimg_get_type_name(image_get_type(hdr));
313 	comp = genimg_get_comp_name(image_get_comp(hdr));
314 
315 	printf("%s %s %s (%s)\n", arch, os, type, comp);
316 }
317 
318 /**
319  * image_print_contents - prints out the contents of the legacy format image
320  * @ptr: pointer to the legacy format image header
321  * @p: pointer to prefix string
322  *
323  * image_print_contents() formats a multi line legacy image contents description.
324  * The routine prints out all header fields followed by the size/offset data
325  * for MULTI/SCRIPT images.
326  *
327  * returns:
328  *     no returned results
329  */
330 void image_print_contents(const void *ptr)
331 {
332 	const image_header_t *hdr = (const image_header_t *)ptr;
333 	const char __maybe_unused *p;
334 
335 	p = IMAGE_INDENT_STRING;
336 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
337 	if (IMAGE_ENABLE_TIMESTAMP) {
338 		printf("%sCreated:      ", p);
339 		genimg_print_time((time_t)image_get_time(hdr));
340 	}
341 	printf("%sImage Type:   ", p);
342 	image_print_type(hdr);
343 	printf("%sData Size:    ", p);
344 	genimg_print_size(image_get_data_size(hdr));
345 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
346 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
347 
348 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
349 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
350 		int i;
351 		ulong data, len;
352 		ulong count = image_multi_count(hdr);
353 
354 		printf("%sContents:\n", p);
355 		for (i = 0; i < count; i++) {
356 			image_multi_getimg(hdr, i, &data, &len);
357 
358 			printf("%s   Image %d: ", p, i);
359 			genimg_print_size(len);
360 
361 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
362 				/*
363 				 * the user may need to know offsets
364 				 * if planning to do something with
365 				 * multiple files
366 				 */
367 				printf("%s    Offset = 0x%08lx\n", p, data);
368 			}
369 		}
370 	} else if (image_check_type(hdr, IH_TYPE_FIRMWARE_IVT)) {
371 		printf("HAB Blocks:   0x%08x   0x0000   0x%08x\n",
372 				image_get_load(hdr) - image_get_header_size(),
373 				image_get_size(hdr) + image_get_header_size()
374 						- 0x1FE0);
375 	}
376 }
377 
378 
379 #ifndef USE_HOSTCC
380 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
381 /**
382  * image_get_ramdisk - get and verify ramdisk image
383  * @rd_addr: ramdisk image start address
384  * @arch: expected ramdisk architecture
385  * @verify: checksum verification flag
386  *
387  * image_get_ramdisk() returns a pointer to the verified ramdisk image
388  * header. Routine receives image start address and expected architecture
389  * flag. Verification done covers data and header integrity and os/type/arch
390  * fields checking.
391  *
392  * If dataflash support is enabled routine checks for dataflash addresses
393  * and handles required dataflash reads.
394  *
395  * returns:
396  *     pointer to a ramdisk image header, if image was found and valid
397  *     otherwise, return NULL
398  */
399 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
400 						int verify)
401 {
402 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
403 
404 	if (!image_check_magic(rd_hdr)) {
405 		puts("Bad Magic Number\n");
406 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
407 		return NULL;
408 	}
409 
410 	if (!image_check_hcrc(rd_hdr)) {
411 		puts("Bad Header Checksum\n");
412 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
413 		return NULL;
414 	}
415 
416 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
417 	image_print_contents(rd_hdr);
418 
419 	if (verify) {
420 		puts("   Verifying Checksum ... ");
421 		if (!image_check_dcrc(rd_hdr)) {
422 			puts("Bad Data CRC\n");
423 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
424 			return NULL;
425 		}
426 		puts("OK\n");
427 	}
428 
429 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
430 
431 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
432 	    !image_check_arch(rd_hdr, arch) ||
433 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
434 		printf("No Linux %s Ramdisk Image\n",
435 				genimg_get_arch_name(arch));
436 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
437 		return NULL;
438 	}
439 
440 	return rd_hdr;
441 }
442 #endif
443 #endif /* !USE_HOSTCC */
444 
445 /*****************************************************************************/
446 /* Shared dual-format routines */
447 /*****************************************************************************/
448 #ifndef USE_HOSTCC
449 ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
450 ulong save_addr;			/* Default Save Address */
451 ulong save_size;			/* Default Save Size (in bytes) */
452 
453 static int on_loadaddr(const char *name, const char *value, enum env_op op,
454 	int flags)
455 {
456 	switch (op) {
457 	case env_op_create:
458 	case env_op_overwrite:
459 		load_addr = simple_strtoul(value, NULL, 16);
460 		break;
461 	default:
462 		break;
463 	}
464 
465 	return 0;
466 }
467 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
468 
469 ulong env_get_bootm_low(void)
470 {
471 	char *s = env_get("bootm_low");
472 	if (s) {
473 		ulong tmp = simple_strtoul(s, NULL, 16);
474 		return tmp;
475 	}
476 
477 #if defined(CONFIG_SYS_SDRAM_BASE)
478 	return CONFIG_SYS_SDRAM_BASE;
479 #elif defined(CONFIG_ARM)
480 	return gd->bd->bi_dram[0].start;
481 #else
482 	return 0;
483 #endif
484 }
485 
486 phys_size_t env_get_bootm_size(void)
487 {
488 	phys_size_t tmp, size;
489 	phys_addr_t start;
490 	char *s = env_get("bootm_size");
491 	if (s) {
492 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
493 		return tmp;
494 	}
495 
496 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
497 	start = gd->bd->bi_dram[0].start;
498 	size = gd->bd->bi_dram[0].size;
499 #else
500 	start = gd->bd->bi_memstart;
501 	size = gd->bd->bi_memsize;
502 #endif
503 
504 	s = env_get("bootm_low");
505 	if (s)
506 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
507 	else
508 		tmp = start;
509 
510 	return size - (tmp - start);
511 }
512 
513 phys_size_t env_get_bootm_mapsize(void)
514 {
515 	phys_size_t tmp;
516 	char *s = env_get("bootm_mapsize");
517 	if (s) {
518 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
519 		return tmp;
520 	}
521 
522 #if defined(CONFIG_SYS_BOOTMAPSZ)
523 	return CONFIG_SYS_BOOTMAPSZ;
524 #else
525 	return env_get_bootm_size();
526 #endif
527 }
528 
529 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
530 {
531 	if (to == from)
532 		return;
533 
534 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
535 	if (to > from) {
536 		from += len;
537 		to += len;
538 	}
539 	while (len > 0) {
540 		size_t tail = (len > chunksz) ? chunksz : len;
541 		WATCHDOG_RESET();
542 		if (to > from) {
543 			to -= tail;
544 			from -= tail;
545 		}
546 		memmove(to, from, tail);
547 		if (to < from) {
548 			to += tail;
549 			from += tail;
550 		}
551 		len -= tail;
552 	}
553 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
554 	memmove(to, from, len);
555 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
556 }
557 #endif /* !USE_HOSTCC */
558 
559 void genimg_print_size(uint32_t size)
560 {
561 #ifndef USE_HOSTCC
562 	printf("%d Bytes = ", size);
563 	print_size(size, "\n");
564 #else
565 	printf("%d Bytes = %.2f KiB = %.2f MiB\n",
566 			size, (double)size / 1.024e3,
567 			(double)size / 1.048576e6);
568 #endif
569 }
570 
571 #if IMAGE_ENABLE_TIMESTAMP
572 void genimg_print_time(time_t timestamp)
573 {
574 #ifndef USE_HOSTCC
575 	struct rtc_time tm;
576 
577 	rtc_to_tm(timestamp, &tm);
578 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
579 			tm.tm_year, tm.tm_mon, tm.tm_mday,
580 			tm.tm_hour, tm.tm_min, tm.tm_sec);
581 #else
582 	printf("%s", ctime(&timestamp));
583 #endif
584 }
585 #endif
586 
587 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
588 {
589 	for (; table->id >= 0; ++table) {
590 		if (table->id == id)
591 			return table;
592 	}
593 	return NULL;
594 }
595 
596 static const char *unknown_msg(enum ih_category category)
597 {
598 	static const char unknown_str[] = "Unknown ";
599 	static char msg[30];
600 
601 	strcpy(msg, unknown_str);
602 	strncat(msg, table_info[category].desc,
603 		sizeof(msg) - sizeof(unknown_str));
604 
605 	return msg;
606 }
607 
608 /**
609  * get_cat_table_entry_name - translate entry id to long name
610  * @category: category to look up (enum ih_category)
611  * @id: entry id to be translated
612  *
613  * This will scan the translation table trying to find the entry that matches
614  * the given id.
615  *
616  * @retur long entry name if translation succeeds; error string on failure
617  */
618 const char *genimg_get_cat_name(enum ih_category category, uint id)
619 {
620 	const table_entry_t *entry;
621 
622 	entry = get_table_entry(table_info[category].table, id);
623 	if (!entry)
624 		return unknown_msg(category);
625 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
626 	return entry->lname;
627 #else
628 	return entry->lname + gd->reloc_off;
629 #endif
630 }
631 
632 /**
633  * get_cat_table_entry_short_name - translate entry id to short name
634  * @category: category to look up (enum ih_category)
635  * @id: entry id to be translated
636  *
637  * This will scan the translation table trying to find the entry that matches
638  * the given id.
639  *
640  * @retur short entry name if translation succeeds; error string on failure
641  */
642 const char *genimg_get_cat_short_name(enum ih_category category, uint id)
643 {
644 	const table_entry_t *entry;
645 
646 	entry = get_table_entry(table_info[category].table, id);
647 	if (!entry)
648 		return unknown_msg(category);
649 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
650 	return entry->sname;
651 #else
652 	return entry->sname + gd->reloc_off;
653 #endif
654 }
655 
656 int genimg_get_cat_count(enum ih_category category)
657 {
658 	return table_info[category].count;
659 }
660 
661 const char *genimg_get_cat_desc(enum ih_category category)
662 {
663 	return table_info[category].desc;
664 }
665 
666 /**
667  * get_table_entry_name - translate entry id to long name
668  * @table: pointer to a translation table for entries of a specific type
669  * @msg: message to be returned when translation fails
670  * @id: entry id to be translated
671  *
672  * get_table_entry_name() will go over translation table trying to find
673  * entry that matches given id. If matching entry is found, its long
674  * name is returned to the caller.
675  *
676  * returns:
677  *     long entry name if translation succeeds
678  *     msg otherwise
679  */
680 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
681 {
682 	table = get_table_entry(table, id);
683 	if (!table)
684 		return msg;
685 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
686 	return table->lname;
687 #else
688 	return table->lname + gd->reloc_off;
689 #endif
690 }
691 
692 const char *genimg_get_os_name(uint8_t os)
693 {
694 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
695 }
696 
697 const char *genimg_get_arch_name(uint8_t arch)
698 {
699 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
700 					arch));
701 }
702 
703 const char *genimg_get_type_name(uint8_t type)
704 {
705 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
706 }
707 
708 static const char *genimg_get_short_name(const table_entry_t *table, int val)
709 {
710 	table = get_table_entry(table, val);
711 	if (!table)
712 		return "unknown";
713 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
714 	return table->sname;
715 #else
716 	return table->sname + gd->reloc_off;
717 #endif
718 }
719 
720 const char *genimg_get_type_short_name(uint8_t type)
721 {
722 	return genimg_get_short_name(uimage_type, type);
723 }
724 
725 const char *genimg_get_comp_name(uint8_t comp)
726 {
727 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
728 					comp));
729 }
730 
731 const char *genimg_get_comp_short_name(uint8_t comp)
732 {
733 	return genimg_get_short_name(uimage_comp, comp);
734 }
735 
736 const char *genimg_get_os_short_name(uint8_t os)
737 {
738 	return genimg_get_short_name(uimage_os, os);
739 }
740 
741 const char *genimg_get_arch_short_name(uint8_t arch)
742 {
743 	return genimg_get_short_name(uimage_arch, arch);
744 }
745 
746 /**
747  * get_table_entry_id - translate short entry name to id
748  * @table: pointer to a translation table for entries of a specific type
749  * @table_name: to be used in case of error
750  * @name: entry short name to be translated
751  *
752  * get_table_entry_id() will go over translation table trying to find
753  * entry that matches given short name. If matching entry is found,
754  * its id returned to the caller.
755  *
756  * returns:
757  *     entry id if translation succeeds
758  *     -1 otherwise
759  */
760 int get_table_entry_id(const table_entry_t *table,
761 		const char *table_name, const char *name)
762 {
763 	const table_entry_t *t;
764 
765 	for (t = table; t->id >= 0; ++t) {
766 #ifdef CONFIG_NEEDS_MANUAL_RELOC
767 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
768 #else
769 		if (t->sname && strcasecmp(t->sname, name) == 0)
770 #endif
771 			return (t->id);
772 	}
773 	debug("Invalid %s Type: %s\n", table_name, name);
774 
775 	return -1;
776 }
777 
778 int genimg_get_os_id(const char *name)
779 {
780 	return (get_table_entry_id(uimage_os, "OS", name));
781 }
782 
783 int genimg_get_arch_id(const char *name)
784 {
785 	return (get_table_entry_id(uimage_arch, "CPU", name));
786 }
787 
788 int genimg_get_type_id(const char *name)
789 {
790 	return (get_table_entry_id(uimage_type, "Image", name));
791 }
792 
793 int genimg_get_comp_id(const char *name)
794 {
795 	return (get_table_entry_id(uimage_comp, "Compression", name));
796 }
797 
798 #ifndef USE_HOSTCC
799 /**
800  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
801  *                              FIT strings
802  * @img_addr: a string might contain real image address
803  * @fit_uname_config: double pointer to a char, will hold pointer to a
804  *                    configuration unit name
805  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
806  *                    name
807  *
808  * genimg_get_kernel_addr_fit get the real kernel start address from a string
809  * which is normally the first argv of bootm/bootz
810  *
811  * returns:
812  *     kernel start address
813  */
814 ulong genimg_get_kernel_addr_fit(char * const img_addr,
815 			     const char **fit_uname_config,
816 			     const char **fit_uname_kernel)
817 {
818 	ulong kernel_addr;
819 
820 	/* find out kernel image address */
821 	if (!img_addr) {
822 		kernel_addr = load_addr;
823 		debug("*  kernel: default image load address = 0x%08lx\n",
824 		      load_addr);
825 #if CONFIG_IS_ENABLED(FIT)
826 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
827 				  fit_uname_config)) {
828 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
829 		      *fit_uname_config, kernel_addr);
830 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
831 				     fit_uname_kernel)) {
832 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
833 		      *fit_uname_kernel, kernel_addr);
834 #endif
835 	} else {
836 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
837 		debug("*  kernel: cmdline image address = 0x%08lx\n",
838 		      kernel_addr);
839 	}
840 
841 	return kernel_addr;
842 }
843 
844 /**
845  * genimg_get_kernel_addr() is the simple version of
846  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
847  */
848 ulong genimg_get_kernel_addr(char * const img_addr)
849 {
850 	const char *fit_uname_config = NULL;
851 	const char *fit_uname_kernel = NULL;
852 
853 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
854 					  &fit_uname_kernel);
855 }
856 
857 /**
858  * genimg_get_format - get image format type
859  * @img_addr: image start address
860  *
861  * genimg_get_format() checks whether provided address points to a valid
862  * legacy or FIT image.
863  *
864  * New uImage format and FDT blob are based on a libfdt. FDT blob
865  * may be passed directly or embedded in a FIT image. In both situations
866  * genimg_get_format() must be able to dectect libfdt header.
867  *
868  * returns:
869  *     image format type or IMAGE_FORMAT_INVALID if no image is present
870  */
871 int genimg_get_format(const void *img_addr)
872 {
873 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
874 	const image_header_t *hdr;
875 
876 	hdr = (const image_header_t *)img_addr;
877 	if (image_check_magic(hdr))
878 		return IMAGE_FORMAT_LEGACY;
879 #endif
880 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
881 	if (fdt_check_header(img_addr) == 0)
882 		return IMAGE_FORMAT_FIT;
883 #endif
884 #ifdef CONFIG_ANDROID_BOOT_IMAGE
885 	if (android_image_check_header(img_addr) == 0)
886 		return IMAGE_FORMAT_ANDROID;
887 #endif
888 
889 	return IMAGE_FORMAT_INVALID;
890 }
891 
892 /**
893  * genimg_get_image - get image from special storage (if necessary)
894  * @img_addr: image start address
895  *
896  * genimg_get_image() checks if provided image start address is located
897  * in a dataflash storage. If so, image is moved to a system RAM memory.
898  *
899  * returns:
900  *     image start address after possible relocation from special storage
901  */
902 ulong genimg_get_image(ulong img_addr)
903 {
904 	ulong ram_addr = img_addr;
905 
906 #ifdef CONFIG_HAS_DATAFLASH
907 	ulong h_size, d_size;
908 
909 	if (addr_dataflash(img_addr)) {
910 		void *buf;
911 
912 		/* ger RAM address */
913 		ram_addr = CONFIG_SYS_LOAD_ADDR;
914 
915 		/* get header size */
916 		h_size = image_get_header_size();
917 #if IMAGE_ENABLE_FIT
918 		if (sizeof(struct fdt_header) > h_size)
919 			h_size = sizeof(struct fdt_header);
920 #endif
921 
922 		/* read in header */
923 		debug("   Reading image header from dataflash address "
924 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
925 
926 		buf = map_sysmem(ram_addr, 0);
927 		read_dataflash(img_addr, h_size, buf);
928 
929 		/* get data size */
930 		switch (genimg_get_format(buf)) {
931 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
932 		case IMAGE_FORMAT_LEGACY:
933 			d_size = image_get_data_size(buf);
934 			debug("   Legacy format image found at 0x%08lx, "
935 					"size 0x%08lx\n",
936 					ram_addr, d_size);
937 			break;
938 #endif
939 #if IMAGE_ENABLE_FIT
940 		case IMAGE_FORMAT_FIT:
941 			d_size = fit_get_size(buf) - h_size;
942 			debug("   FIT/FDT format image found at 0x%08lx, "
943 					"size 0x%08lx\n",
944 					ram_addr, d_size);
945 			break;
946 #endif
947 		default:
948 			printf("   No valid image found at 0x%08lx\n",
949 				img_addr);
950 			return ram_addr;
951 		}
952 
953 		/* read in image data */
954 		debug("   Reading image remaining data from dataflash address "
955 			"%08lx to RAM address %08lx\n", img_addr + h_size,
956 			ram_addr + h_size);
957 
958 		read_dataflash(img_addr + h_size, d_size,
959 				(char *)(buf + h_size));
960 
961 	}
962 #endif /* CONFIG_HAS_DATAFLASH */
963 
964 	return ram_addr;
965 }
966 
967 /**
968  * fit_has_config - check if there is a valid FIT configuration
969  * @images: pointer to the bootm command headers structure
970  *
971  * fit_has_config() checks if there is a FIT configuration in use
972  * (if FTI support is present).
973  *
974  * returns:
975  *     0, no FIT support or no configuration found
976  *     1, configuration found
977  */
978 int genimg_has_config(bootm_headers_t *images)
979 {
980 #if IMAGE_ENABLE_FIT
981 	if (images->fit_uname_cfg)
982 		return 1;
983 #endif
984 	return 0;
985 }
986 
987 /**
988  * boot_get_ramdisk - main ramdisk handling routine
989  * @argc: command argument count
990  * @argv: command argument list
991  * @images: pointer to the bootm images structure
992  * @arch: expected ramdisk architecture
993  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
994  * @rd_end: pointer to a ulong variable, will hold ramdisk end
995  *
996  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
997  * Curently supported are the following ramdisk sources:
998  *      - multicomponent kernel/ramdisk image,
999  *      - commandline provided address of decicated ramdisk image.
1000  *
1001  * returns:
1002  *     0, if ramdisk image was found and valid, or skiped
1003  *     rd_start and rd_end are set to ramdisk start/end addresses if
1004  *     ramdisk image is found and valid
1005  *
1006  *     1, if ramdisk image is found but corrupted, or invalid
1007  *     rd_start and rd_end are set to 0 if no ramdisk exists
1008  */
1009 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
1010 		uint8_t arch, ulong *rd_start, ulong *rd_end)
1011 {
1012 	ulong rd_addr, rd_load;
1013 	ulong rd_data, rd_len;
1014 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
1015 	const image_header_t *rd_hdr;
1016 #endif
1017 	void *buf;
1018 #ifdef CONFIG_SUPPORT_RAW_INITRD
1019 	char *end;
1020 #endif
1021 #if IMAGE_ENABLE_FIT
1022 	const char	*fit_uname_config = images->fit_uname_cfg;
1023 	const char	*fit_uname_ramdisk = NULL;
1024 	ulong		default_addr;
1025 	int		rd_noffset;
1026 #endif
1027 	const char *select = NULL;
1028 
1029 	*rd_start = 0;
1030 	*rd_end = 0;
1031 
1032 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1033 	/*
1034 	 * Look for an Android boot image.
1035 	 */
1036 	buf = map_sysmem(images->os.start, 0);
1037 	if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
1038 		select = argv[0];
1039 #endif
1040 
1041 	if (argc >= 2)
1042 		select = argv[1];
1043 
1044 	/*
1045 	 * Look for a '-' which indicates to ignore the
1046 	 * ramdisk argument
1047 	 */
1048 	if (select && strcmp(select, "-") ==  0) {
1049 		debug("## Skipping init Ramdisk\n");
1050 		rd_len = rd_data = 0;
1051 	} else if (select || genimg_has_config(images)) {
1052 #if IMAGE_ENABLE_FIT
1053 		if (select) {
1054 			/*
1055 			 * If the init ramdisk comes from the FIT image and
1056 			 * the FIT image address is omitted in the command
1057 			 * line argument, try to use os FIT image address or
1058 			 * default load address.
1059 			 */
1060 			if (images->fit_uname_os)
1061 				default_addr = (ulong)images->fit_hdr_os;
1062 			else
1063 				default_addr = load_addr;
1064 
1065 			if (fit_parse_conf(select, default_addr,
1066 					   &rd_addr, &fit_uname_config)) {
1067 				debug("*  ramdisk: config '%s' from image at "
1068 						"0x%08lx\n",
1069 						fit_uname_config, rd_addr);
1070 			} else if (fit_parse_subimage(select, default_addr,
1071 						&rd_addr, &fit_uname_ramdisk)) {
1072 				debug("*  ramdisk: subimage '%s' from image at "
1073 						"0x%08lx\n",
1074 						fit_uname_ramdisk, rd_addr);
1075 			} else
1076 #endif
1077 			{
1078 				rd_addr = simple_strtoul(select, NULL, 16);
1079 				debug("*  ramdisk: cmdline image address = "
1080 						"0x%08lx\n",
1081 						rd_addr);
1082 			}
1083 #if IMAGE_ENABLE_FIT
1084 		} else {
1085 			/* use FIT configuration provided in first bootm
1086 			 * command argument. If the property is not defined,
1087 			 * quit silently.
1088 			 */
1089 			rd_addr = map_to_sysmem(images->fit_hdr_os);
1090 			rd_noffset = fit_get_node_from_config(images,
1091 					FIT_RAMDISK_PROP, rd_addr);
1092 			if (rd_noffset == -ENOENT)
1093 				return 0;
1094 			else if (rd_noffset < 0)
1095 				return 1;
1096 		}
1097 #endif
1098 
1099 		/* copy from dataflash if needed */
1100 		rd_addr = genimg_get_image(rd_addr);
1101 
1102 		/*
1103 		 * Check if there is an initrd image at the
1104 		 * address provided in the second bootm argument
1105 		 * check image type, for FIT images get FIT node.
1106 		 */
1107 		buf = map_sysmem(rd_addr, 0);
1108 		switch (genimg_get_format(buf)) {
1109 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
1110 		case IMAGE_FORMAT_LEGACY:
1111 			printf("## Loading init Ramdisk from Legacy "
1112 					"Image at %08lx ...\n", rd_addr);
1113 
1114 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
1115 			rd_hdr = image_get_ramdisk(rd_addr, arch,
1116 							images->verify);
1117 
1118 			if (rd_hdr == NULL)
1119 				return 1;
1120 
1121 			rd_data = image_get_data(rd_hdr);
1122 			rd_len = image_get_data_size(rd_hdr);
1123 			rd_load = image_get_load(rd_hdr);
1124 			break;
1125 #endif
1126 #if IMAGE_ENABLE_FIT
1127 		case IMAGE_FORMAT_FIT:
1128 			rd_noffset = fit_image_load(images,
1129 					rd_addr, &fit_uname_ramdisk,
1130 					&fit_uname_config, arch,
1131 					IH_TYPE_RAMDISK,
1132 					BOOTSTAGE_ID_FIT_RD_START,
1133 					FIT_LOAD_OPTIONAL_NON_ZERO,
1134 					&rd_data, &rd_len);
1135 			if (rd_noffset < 0)
1136 				return 1;
1137 
1138 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1139 			images->fit_uname_rd = fit_uname_ramdisk;
1140 			images->fit_noffset_rd = rd_noffset;
1141 			break;
1142 #endif
1143 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1144 		case IMAGE_FORMAT_ANDROID:
1145 			android_image_get_ramdisk((void *)images->os.start,
1146 				&rd_data, &rd_len);
1147 			break;
1148 #endif
1149 		default:
1150 #ifdef CONFIG_SUPPORT_RAW_INITRD
1151 			end = NULL;
1152 			if (select)
1153 				end = strchr(select, ':');
1154 			if (end) {
1155 				rd_len = simple_strtoul(++end, NULL, 16);
1156 				rd_data = rd_addr;
1157 			} else
1158 #endif
1159 			{
1160 				puts("Wrong Ramdisk Image Format\n");
1161 				rd_data = rd_len = rd_load = 0;
1162 				return 1;
1163 			}
1164 		}
1165 	} else if (images->legacy_hdr_valid &&
1166 			image_check_type(&images->legacy_hdr_os_copy,
1167 						IH_TYPE_MULTI)) {
1168 
1169 		/*
1170 		 * Now check if we have a legacy mult-component image,
1171 		 * get second entry data start address and len.
1172 		 */
1173 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1174 		printf("## Loading init Ramdisk from multi component "
1175 				"Legacy Image at %08lx ...\n",
1176 				(ulong)images->legacy_hdr_os);
1177 
1178 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1179 	} else {
1180 		/*
1181 		 * no initrd image
1182 		 */
1183 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1184 		rd_len = rd_data = 0;
1185 	}
1186 
1187 	if (!rd_data) {
1188 		debug("## No init Ramdisk\n");
1189 	} else {
1190 		*rd_start = rd_data;
1191 		*rd_end = rd_data + rd_len;
1192 	}
1193 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1194 			*rd_start, *rd_end);
1195 
1196 	return 0;
1197 }
1198 
1199 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1200 /**
1201  * boot_ramdisk_high - relocate init ramdisk
1202  * @lmb: pointer to lmb handle, will be used for memory mgmt
1203  * @rd_data: ramdisk data start address
1204  * @rd_len: ramdisk data length
1205  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1206  *      start address (after possible relocation)
1207  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1208  *      end address (after possible relocation)
1209  *
1210  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1211  * variable and if requested ramdisk data is moved to a specified location.
1212  *
1213  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1214  * start/end addresses if ramdisk image start and len were provided,
1215  * otherwise set initrd_start and initrd_end set to zeros.
1216  *
1217  * returns:
1218  *      0 - success
1219  *     -1 - failure
1220  */
1221 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1222 		  ulong *initrd_start, ulong *initrd_end)
1223 {
1224 	char	*s;
1225 	ulong	initrd_high;
1226 	int	initrd_copy_to_ram = 1;
1227 
1228 	s = env_get("initrd_high");
1229 	if (s) {
1230 		/* a value of "no" or a similar string will act like 0,
1231 		 * turning the "load high" feature off. This is intentional.
1232 		 */
1233 		initrd_high = simple_strtoul(s, NULL, 16);
1234 		if (initrd_high == ~0)
1235 			initrd_copy_to_ram = 0;
1236 	} else {
1237 		initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
1238 	}
1239 
1240 
1241 #ifdef CONFIG_LOGBUFFER
1242 	/* Prevent initrd from overwriting logbuffer */
1243 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1244 #endif
1245 
1246 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1247 			initrd_high, initrd_copy_to_ram);
1248 
1249 	if (rd_data) {
1250 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1251 			debug("   in-place initrd\n");
1252 			*initrd_start = rd_data;
1253 			*initrd_end = rd_data + rd_len;
1254 			lmb_reserve(lmb, rd_data, rd_len);
1255 		} else {
1256 			if (initrd_high)
1257 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1258 						rd_len, 0x1000, initrd_high);
1259 			else
1260 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1261 								 0x1000);
1262 
1263 			if (*initrd_start == 0) {
1264 				puts("ramdisk - allocation error\n");
1265 				goto error;
1266 			}
1267 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1268 
1269 			*initrd_end = *initrd_start + rd_len;
1270 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1271 					*initrd_start, *initrd_end);
1272 
1273 			memmove_wd((void *)*initrd_start,
1274 					(void *)rd_data, rd_len, CHUNKSZ);
1275 
1276 #ifdef CONFIG_MP
1277 			/*
1278 			 * Ensure the image is flushed to memory to handle
1279 			 * AMP boot scenarios in which we might not be
1280 			 * HW cache coherent
1281 			 */
1282 			flush_cache((unsigned long)*initrd_start, rd_len);
1283 #endif
1284 			puts("OK\n");
1285 		}
1286 	} else {
1287 		*initrd_start = 0;
1288 		*initrd_end = 0;
1289 	}
1290 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1291 			*initrd_start, *initrd_end);
1292 
1293 	return 0;
1294 
1295 error:
1296 	return -1;
1297 }
1298 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1299 
1300 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1301 		   ulong *setup_start, ulong *setup_len)
1302 {
1303 #if IMAGE_ENABLE_FIT
1304 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1305 #else
1306 	return -ENOENT;
1307 #endif
1308 }
1309 
1310 #if IMAGE_ENABLE_FIT
1311 #if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_XILINX)
1312 int boot_get_fpga(int argc, char * const argv[], bootm_headers_t *images,
1313 		  uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1314 {
1315 	ulong tmp_img_addr, img_data, img_len;
1316 	void *buf;
1317 	int conf_noffset;
1318 	int fit_img_result;
1319 	const char *uname, *name;
1320 	int err;
1321 	int devnum = 0; /* TODO support multi fpga platforms */
1322 	const fpga_desc * const desc = fpga_get_desc(devnum);
1323 	xilinx_desc *desc_xilinx = desc->devdesc;
1324 
1325 	/* Check to see if the images struct has a FIT configuration */
1326 	if (!genimg_has_config(images)) {
1327 		debug("## FIT configuration was not specified\n");
1328 		return 0;
1329 	}
1330 
1331 	/*
1332 	 * Obtain the os FIT header from the images struct
1333 	 * copy from dataflash if needed
1334 	 */
1335 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1336 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1337 	buf = map_sysmem(tmp_img_addr, 0);
1338 	/*
1339 	 * Check image type. For FIT images get FIT node
1340 	 * and attempt to locate a generic binary.
1341 	 */
1342 	switch (genimg_get_format(buf)) {
1343 	case IMAGE_FORMAT_FIT:
1344 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1345 
1346 		uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0,
1347 					   NULL);
1348 		if (!uname) {
1349 			debug("## FPGA image is not specified\n");
1350 			return 0;
1351 		}
1352 		fit_img_result = fit_image_load(images,
1353 						tmp_img_addr,
1354 						(const char **)&uname,
1355 						&(images->fit_uname_cfg),
1356 						arch,
1357 						IH_TYPE_FPGA,
1358 						BOOTSTAGE_ID_FPGA_INIT,
1359 						FIT_LOAD_OPTIONAL_NON_ZERO,
1360 						&img_data, &img_len);
1361 
1362 		debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
1363 		      uname, img_data, img_len);
1364 
1365 		if (fit_img_result < 0) {
1366 			/* Something went wrong! */
1367 			return fit_img_result;
1368 		}
1369 
1370 		if (img_len >= desc_xilinx->size) {
1371 			name = "full";
1372 			err = fpga_loadbitstream(devnum, (char *)img_data,
1373 						 img_len, BIT_FULL);
1374 			if (err)
1375 				err = fpga_load(devnum, (const void *)img_data,
1376 						img_len, BIT_FULL);
1377 		} else {
1378 			name = "partial";
1379 			err = fpga_loadbitstream(devnum, (char *)img_data,
1380 						 img_len, BIT_PARTIAL);
1381 			if (err)
1382 				err = fpga_load(devnum, (const void *)img_data,
1383 						img_len, BIT_PARTIAL);
1384 		}
1385 
1386 		if (err)
1387 			return err;
1388 
1389 		printf("   Programming %s bitstream... OK\n", name);
1390 		break;
1391 	default:
1392 		printf("The given image format is not supported (corrupt?)\n");
1393 		return 1;
1394 	}
1395 
1396 	return 0;
1397 }
1398 #endif
1399 
1400 static void fit_loadable_process(uint8_t img_type,
1401 				 ulong img_data,
1402 				 ulong img_len)
1403 {
1404 	int i;
1405 	const unsigned int count =
1406 			ll_entry_count(struct fit_loadable_tbl, fit_loadable);
1407 	struct fit_loadable_tbl *fit_loadable_handler =
1408 			ll_entry_start(struct fit_loadable_tbl, fit_loadable);
1409 	/* For each loadable handler */
1410 	for (i = 0; i < count; i++, fit_loadable_handler++)
1411 		/* matching this type */
1412 		if (fit_loadable_handler->type == img_type)
1413 			/* call that handler with this image data */
1414 			fit_loadable_handler->handler(img_data, img_len);
1415 }
1416 
1417 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1418 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1419 {
1420 	/*
1421 	 * These variables are used to hold the current image location
1422 	 * in system memory.
1423 	 */
1424 	ulong tmp_img_addr;
1425 	/*
1426 	 * These two variables are requirements for fit_image_load, but
1427 	 * their values are not used
1428 	 */
1429 	ulong img_data, img_len;
1430 	void *buf;
1431 	int loadables_index;
1432 	int conf_noffset;
1433 	int fit_img_result;
1434 	const char *uname;
1435 	uint8_t img_type;
1436 
1437 	/* Check to see if the images struct has a FIT configuration */
1438 	if (!genimg_has_config(images)) {
1439 		debug("## FIT configuration was not specified\n");
1440 		return 0;
1441 	}
1442 
1443 	/*
1444 	 * Obtain the os FIT header from the images struct
1445 	 * copy from dataflash if needed
1446 	 */
1447 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1448 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1449 	buf = map_sysmem(tmp_img_addr, 0);
1450 	/*
1451 	 * Check image type. For FIT images get FIT node
1452 	 * and attempt to locate a generic binary.
1453 	 */
1454 	switch (genimg_get_format(buf)) {
1455 	case IMAGE_FORMAT_FIT:
1456 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1457 
1458 		for (loadables_index = 0;
1459 		     uname = fdt_stringlist_get(buf, conf_noffset,
1460 					FIT_LOADABLE_PROP, loadables_index,
1461 					NULL), uname;
1462 		     loadables_index++)
1463 		{
1464 			fit_img_result = fit_image_load(images,
1465 				tmp_img_addr,
1466 				&uname,
1467 				&(images->fit_uname_cfg), arch,
1468 				IH_TYPE_LOADABLE,
1469 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1470 				FIT_LOAD_OPTIONAL_NON_ZERO,
1471 				&img_data, &img_len);
1472 			if (fit_img_result < 0) {
1473 				/* Something went wrong! */
1474 				return fit_img_result;
1475 			}
1476 
1477 			fit_img_result = fit_image_get_node(buf, uname);
1478 			if (fit_img_result < 0) {
1479 				/* Something went wrong! */
1480 				return fit_img_result;
1481 			}
1482 			fit_img_result = fit_image_get_type(buf,
1483 							    fit_img_result,
1484 							    &img_type);
1485 			if (fit_img_result < 0) {
1486 				/* Something went wrong! */
1487 				return fit_img_result;
1488 			}
1489 
1490 			fit_loadable_process(img_type, img_data, img_len);
1491 		}
1492 		break;
1493 	default:
1494 		printf("The given image format is not supported (corrupt?)\n");
1495 		return 1;
1496 	}
1497 
1498 	return 0;
1499 }
1500 #endif
1501 
1502 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1503 /**
1504  * boot_get_cmdline - allocate and initialize kernel cmdline
1505  * @lmb: pointer to lmb handle, will be used for memory mgmt
1506  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1507  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1508  *
1509  * boot_get_cmdline() allocates space for kernel command line below
1510  * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environemnt
1511  * variable is present its contents is copied to allocated kernel
1512  * command line.
1513  *
1514  * returns:
1515  *      0 - success
1516  *     -1 - failure
1517  */
1518 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1519 {
1520 	char *cmdline;
1521 	char *s;
1522 
1523 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1524 				env_get_bootm_mapsize() + env_get_bootm_low());
1525 
1526 	if (cmdline == NULL)
1527 		return -1;
1528 
1529 	s = env_get("bootargs");
1530 	if (!s)
1531 		s = "";
1532 
1533 	strcpy(cmdline, s);
1534 
1535 	*cmd_start = (ulong) & cmdline[0];
1536 	*cmd_end = *cmd_start + strlen(cmdline);
1537 
1538 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1539 
1540 	return 0;
1541 }
1542 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1543 
1544 #ifdef CONFIG_SYS_BOOT_GET_KBD
1545 /**
1546  * boot_get_kbd - allocate and initialize kernel copy of board info
1547  * @lmb: pointer to lmb handle, will be used for memory mgmt
1548  * @kbd: double pointer to board info data
1549  *
1550  * boot_get_kbd() allocates space for kernel copy of board info data below
1551  * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized
1552  * with the current u-boot board info data.
1553  *
1554  * returns:
1555  *      0 - success
1556  *     -1 - failure
1557  */
1558 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1559 {
1560 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1561 				env_get_bootm_mapsize() + env_get_bootm_low());
1562 	if (*kbd == NULL)
1563 		return -1;
1564 
1565 	**kbd = *(gd->bd);
1566 
1567 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1568 
1569 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1570 	do_bdinfo(NULL, 0, 0, NULL);
1571 #endif
1572 
1573 	return 0;
1574 }
1575 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1576 
1577 #ifdef CONFIG_LMB
1578 int image_setup_linux(bootm_headers_t *images)
1579 {
1580 	ulong of_size = images->ft_len;
1581 	char **of_flat_tree = &images->ft_addr;
1582 	struct lmb *lmb = &images->lmb;
1583 	int ret;
1584 
1585 	if (IMAGE_ENABLE_OF_LIBFDT)
1586 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1587 
1588 	if (IMAGE_BOOT_GET_CMDLINE) {
1589 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1590 				&images->cmdline_end);
1591 		if (ret) {
1592 			puts("ERROR with allocation of cmdline\n");
1593 			return ret;
1594 		}
1595 	}
1596 
1597 	if (IMAGE_ENABLE_OF_LIBFDT) {
1598 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1599 		if (ret)
1600 			return ret;
1601 	}
1602 
1603 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1604 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1605 		if (ret)
1606 			return ret;
1607 	}
1608 
1609 	return 0;
1610 }
1611 #endif /* CONFIG_LMB */
1612 #endif /* !USE_HOSTCC */
1613