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Commit | Line | Data |
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47d1a6e1 | 1 | /* |
ca95c9df | 2 | * (C) Copyright 2000-2009 |
47d1a6e1 WD |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
47d1a6e1 WD |
6 | */ |
7 | ||
b97a2a0a | 8 | |
47d1a6e1 WD |
9 | /* |
10 | * Boot support | |
11 | */ | |
12 | #include <common.h> | |
13 | #include <watchdog.h> | |
14 | #include <command.h> | |
47d1a6e1 WD |
15 | #include <image.h> |
16 | #include <malloc.h> | |
a31e091a | 17 | #include <u-boot/zlib.h> |
c29fdfc1 | 18 | #include <bzlib.h> |
7f70e853 | 19 | #include <environment.h> |
4ed6552f | 20 | #include <lmb.h> |
49c3a861 | 21 | #include <linux/ctype.h> |
47d1a6e1 | 22 | #include <asm/byteorder.h> |
35e7b0f1 | 23 | #include <asm/io.h> |
5bf2766b | 24 | #include <linux/compiler.h> |
8bde7f77 | 25 | |
ebb86c4e | 26 | #if defined(CONFIG_CMD_USB) |
3d71c81a MK |
27 | #include <usb.h> |
28 | #endif | |
29 | ||
6d0f6bcf | 30 | #ifdef CONFIG_SYS_HUSH_PARSER |
47d1a6e1 WD |
31 | #include <hush.h> |
32 | #endif | |
33 | ||
54f9c866 | 34 | #if defined(CONFIG_OF_LIBFDT) |
54f9c866 KG |
35 | #include <libfdt.h> |
36 | #include <fdt_support.h> | |
37 | #endif | |
38 | ||
fc9c1727 | 39 | #ifdef CONFIG_LZMA |
fc9c1727 | 40 | #include <lzma/LzmaTypes.h> |
caf72ff3 | 41 | #include <lzma/LzmaDec.h> |
fc9c1727 LCM |
42 | #include <lzma/LzmaTools.h> |
43 | #endif /* CONFIG_LZMA */ | |
44 | ||
20dde48b PK |
45 | #ifdef CONFIG_LZO |
46 | #include <linux/lzo.h> | |
47 | #endif /* CONFIG_LZO */ | |
48 | ||
1ee1180b | 49 | DECLARE_GLOBAL_DATA_PTR; |
228f29ac | 50 | |
6d0f6bcf JCPV |
51 | #ifndef CONFIG_SYS_BOOTM_LEN |
52 | #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */ | |
2abbe075 WD |
53 | #endif |
54 | ||
321359f2 MB |
55 | #ifdef CONFIG_BZIP2 |
56 | extern void bz_internal_error(int); | |
47d1a6e1 WD |
57 | #endif |
58 | ||
baa26db4 | 59 | #if defined(CONFIG_CMD_IMI) |
712fbcf3 | 60 | static int image_info(unsigned long addr); |
47d1a6e1 | 61 | #endif |
27b207fd | 62 | |
baa26db4 | 63 | #if defined(CONFIG_CMD_IMLS) |
27b207fd | 64 | #include <flash.h> |
ca5def3f | 65 | #include <mtd/cfi_flash.h> |
e6f2e902 | 66 | extern flash_info_t flash_info[]; /* info for FLASH chips */ |
8fdf1e0f VK |
67 | #endif |
68 | ||
69 | #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND) | |
712fbcf3 | 70 | static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); |
27b207fd WD |
71 | #endif |
72 | ||
8fdf1e0f VK |
73 | #include <linux/err.h> |
74 | #include <nand.h> | |
75 | ||
be2e5a09 | 76 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) |
712fbcf3 | 77 | static void fixup_silent_linux(void); |
1ee1180b | 78 | #endif |
47d1a6e1 | 79 | |
35e7b0f1 | 80 | static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, |
712fbcf3 SW |
81 | char * const argv[], bootm_headers_t *images, |
82 | ulong *os_data, ulong *os_len); | |
47d1a6e1 WD |
83 | |
84 | /* | |
85 | * Continue booting an OS image; caller already has: | |
86 | * - copied image header to global variable `header' | |
87 | * - checked header magic number, checksums (both header & image), | |
88 | * - verified image architecture (PPC) and type (KERNEL or MULTI), | |
89 | * - loaded (first part of) image to header load address, | |
90 | * - disabled interrupts. | |
983c72f4 | 91 | * |
35fc84fa | 92 | * @flag: Flags indicating what to do (BOOTM_STATE_...) |
983c72f4 SG |
93 | * @argc: Number of arguments. Note that the arguments are shifted down |
94 | * so that 0 is the first argument not processed by U-Boot, and | |
95 | * argc is adjusted accordingly. This avoids confusion as to how | |
96 | * many arguments are available for the OS. | |
97 | * @images: Pointers to os/initrd/fdt | |
98 | * @return 1 on error. On success the OS boots so this function does | |
99 | * not return. | |
47d1a6e1 | 100 | */ |
712fbcf3 | 101 | typedef int boot_os_fn(int flag, int argc, char * const argv[], |
983c72f4 | 102 | bootm_headers_t *images); |
1ee1180b | 103 | |
b1d0db18 | 104 | #ifdef CONFIG_BOOTM_LINUX |
1ee1180b | 105 | extern boot_os_fn do_bootm_linux; |
b1d0db18 KG |
106 | #endif |
107 | #ifdef CONFIG_BOOTM_NETBSD | |
1ee1180b | 108 | static boot_os_fn do_bootm_netbsd; |
b1d0db18 | 109 | #endif |
f13e7b2e | 110 | #if defined(CONFIG_LYNXKDI) |
1ee1180b | 111 | static boot_os_fn do_bootm_lynxkdi; |
712fbcf3 | 112 | extern void lynxkdi_boot(image_header_t *); |
47d1a6e1 | 113 | #endif |
b1d0db18 | 114 | #ifdef CONFIG_BOOTM_RTEMS |
1ee1180b | 115 | static boot_os_fn do_bootm_rtems; |
b1d0db18 | 116 | #endif |
3df61957 TL |
117 | #if defined(CONFIG_BOOTM_OSE) |
118 | static boot_os_fn do_bootm_ose; | |
119 | #endif | |
04d41409 SS |
120 | #if defined(CONFIG_BOOTM_PLAN9) |
121 | static boot_os_fn do_bootm_plan9; | |
122 | #endif | |
baa26db4 | 123 | #if defined(CONFIG_CMD_ELF) |
1ee1180b MB |
124 | static boot_os_fn do_bootm_vxworks; |
125 | static boot_os_fn do_bootm_qnxelf; | |
712fbcf3 SW |
126 | int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); |
127 | int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); | |
90253178 | 128 | #endif |
f5ed9e39 PT |
129 | #if defined(CONFIG_INTEGRITY) |
130 | static boot_os_fn do_bootm_integrity; | |
131 | #endif | |
47d1a6e1 | 132 | |
0008555f | 133 | static boot_os_fn *boot_os[] = { |
b1d0db18 | 134 | #ifdef CONFIG_BOOTM_LINUX |
be083159 | 135 | [IH_OS_LINUX] = do_bootm_linux, |
b1d0db18 KG |
136 | #endif |
137 | #ifdef CONFIG_BOOTM_NETBSD | |
be083159 | 138 | [IH_OS_NETBSD] = do_bootm_netbsd, |
b1d0db18 | 139 | #endif |
be083159 KG |
140 | #ifdef CONFIG_LYNXKDI |
141 | [IH_OS_LYNXOS] = do_bootm_lynxkdi, | |
142 | #endif | |
b1d0db18 | 143 | #ifdef CONFIG_BOOTM_RTEMS |
be083159 | 144 | [IH_OS_RTEMS] = do_bootm_rtems, |
b1d0db18 | 145 | #endif |
3df61957 TL |
146 | #if defined(CONFIG_BOOTM_OSE) |
147 | [IH_OS_OSE] = do_bootm_ose, | |
148 | #endif | |
04d41409 SS |
149 | #if defined(CONFIG_BOOTM_PLAN9) |
150 | [IH_OS_PLAN9] = do_bootm_plan9, | |
151 | #endif | |
be083159 KG |
152 | #if defined(CONFIG_CMD_ELF) |
153 | [IH_OS_VXWORKS] = do_bootm_vxworks, | |
154 | [IH_OS_QNX] = do_bootm_qnxelf, | |
155 | #endif | |
156 | #ifdef CONFIG_INTEGRITY | |
157 | [IH_OS_INTEGRITY] = do_bootm_integrity, | |
158 | #endif | |
159 | }; | |
160 | ||
dee17768 | 161 | bootm_headers_t images; /* pointers to os/initrd/fdt images */ |
15940c9a | 162 | |
3dfad40a | 163 | /* Allow for arch specific config before we boot */ |
088f1b19 | 164 | static void __arch_preboot_os(void) |
3dfad40a KG |
165 | { |
166 | /* please define platform specific arch_preboot_os() */ | |
167 | } | |
168 | void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os"))); | |
169 | ||
476af299 | 170 | #define IH_INITRD_ARCH IH_ARCH_DEFAULT |
47d1a6e1 | 171 | |
a16028da | 172 | #ifdef CONFIG_LMB |
44f074c7 MV |
173 | static void boot_start_lmb(bootm_headers_t *images) |
174 | { | |
391fd93a BB |
175 | ulong mem_start; |
176 | phys_size_t mem_size; | |
47d1a6e1 | 177 | |
44f074c7 | 178 | lmb_init(&images->lmb); |
47d1a6e1 | 179 | |
d3f2fa0d KG |
180 | mem_start = getenv_bootm_low(); |
181 | mem_size = getenv_bootm_size(); | |
47d1a6e1 | 182 | |
44f074c7 | 183 | lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size); |
47d1a6e1 | 184 | |
44f074c7 MV |
185 | arch_lmb_reserve(&images->lmb); |
186 | board_lmb_reserve(&images->lmb); | |
187 | } | |
a16028da | 188 | #else |
35cf5fe5 | 189 | #define lmb_reserve(lmb, base, size) |
44f074c7 | 190 | static inline void boot_start_lmb(bootm_headers_t *images) { } |
a16028da | 191 | #endif |
a16028da | 192 | |
54841ab5 | 193 | static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
a16028da | 194 | { |
712fbcf3 SW |
195 | memset((void *)&images, 0, sizeof(images)); |
196 | images.verify = getenv_yesno("verify"); | |
a16028da | 197 | |
44f074c7 | 198 | boot_start_lmb(&images); |
47d1a6e1 | 199 | |
573f14fe | 200 | bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start"); |
35fc84fa SG |
201 | images.state = BOOTM_STATE_START; |
202 | ||
203 | return 0; | |
204 | } | |
205 | ||
206 | static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc, | |
207 | char * const argv[]) | |
208 | { | |
209 | const void *os_hdr; | |
573f14fe | 210 | |
5cf746c3 | 211 | /* get kernel image header, start address and length */ |
712fbcf3 | 212 | os_hdr = boot_get_kernel(cmdtp, flag, argc, argv, |
396f635b KG |
213 | &images, &images.os.image_start, &images.os.image_len); |
214 | if (images.os.image_len == 0) { | |
712fbcf3 | 215 | puts("ERROR: can't get kernel image!\n"); |
47d1a6e1 | 216 | return 1; |
bccae903 | 217 | } |
bccae903 | 218 | |
d5934ad7 | 219 | /* get image parameters */ |
712fbcf3 | 220 | switch (genimg_get_format(os_hdr)) { |
d5934ad7 | 221 | case IMAGE_FORMAT_LEGACY: |
712fbcf3 SW |
222 | images.os.type = image_get_type(os_hdr); |
223 | images.os.comp = image_get_comp(os_hdr); | |
224 | images.os.os = image_get_os(os_hdr); | |
bccae903 | 225 | |
712fbcf3 SW |
226 | images.os.end = image_get_image_end(os_hdr); |
227 | images.os.load = image_get_load(os_hdr); | |
d5934ad7 MB |
228 | break; |
229 | #if defined(CONFIG_FIT) | |
230 | case IMAGE_FORMAT_FIT: | |
712fbcf3 | 231 | if (fit_image_get_type(images.fit_hdr_os, |
396f635b | 232 | images.fit_noffset_os, &images.os.type)) { |
712fbcf3 | 233 | puts("Can't get image type!\n"); |
770605e4 | 234 | bootstage_error(BOOTSTAGE_ID_FIT_TYPE); |
6986a385 MB |
235 | return 1; |
236 | } | |
47d1a6e1 | 237 | |
712fbcf3 | 238 | if (fit_image_get_comp(images.fit_hdr_os, |
396f635b | 239 | images.fit_noffset_os, &images.os.comp)) { |
712fbcf3 | 240 | puts("Can't get image compression!\n"); |
770605e4 | 241 | bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION); |
6986a385 MB |
242 | return 1; |
243 | } | |
47d1a6e1 | 244 | |
712fbcf3 | 245 | if (fit_image_get_os(images.fit_hdr_os, |
396f635b | 246 | images.fit_noffset_os, &images.os.os)) { |
712fbcf3 | 247 | puts("Can't get image OS!\n"); |
770605e4 | 248 | bootstage_error(BOOTSTAGE_ID_FIT_OS); |
47d1a6e1 WD |
249 | return 1; |
250 | } | |
47d1a6e1 | 251 | |
712fbcf3 | 252 | images.os.end = fit_get_end(images.fit_hdr_os); |
6986a385 | 253 | |
712fbcf3 | 254 | if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os, |
396f635b | 255 | &images.os.load)) { |
712fbcf3 | 256 | puts("Can't get image load address!\n"); |
770605e4 | 257 | bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR); |
6986a385 | 258 | return 1; |
b13fb01a WD |
259 | } |
260 | break; | |
d5934ad7 MB |
261 | #endif |
262 | default: | |
712fbcf3 | 263 | puts("ERROR: unknown image format type!\n"); |
47d1a6e1 WD |
264 | return 1; |
265 | } | |
d5934ad7 | 266 | |
c160a954 KG |
267 | /* find kernel entry point */ |
268 | if (images.legacy_hdr_valid) { | |
712fbcf3 | 269 | images.ep = image_get_ep(&images.legacy_hdr_os_copy); |
c160a954 KG |
270 | #if defined(CONFIG_FIT) |
271 | } else if (images.fit_uname_os) { | |
35fc84fa SG |
272 | int ret; |
273 | ||
712fbcf3 | 274 | ret = fit_image_get_entry(images.fit_hdr_os, |
c19d13b0 | 275 | images.fit_noffset_os, &images.ep); |
c160a954 | 276 | if (ret) { |
712fbcf3 | 277 | puts("Can't get entry point property!\n"); |
c160a954 KG |
278 | return 1; |
279 | } | |
280 | #endif | |
281 | } else { | |
712fbcf3 | 282 | puts("Could not find kernel entry point!\n"); |
c160a954 KG |
283 | return 1; |
284 | } | |
285 | ||
b9b50e89 SW |
286 | if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { |
287 | images.os.load = images.os.image_start; | |
288 | images.ep += images.os.load; | |
289 | } | |
290 | ||
35fc84fa SG |
291 | images.os.start = (ulong)os_hdr; |
292 | ||
293 | return 0; | |
294 | } | |
295 | ||
225fd8c5 TR |
296 | static int bootm_find_ramdisk(int flag, int argc, char * const argv[]) |
297 | { | |
298 | int ret; | |
299 | ||
300 | /* find ramdisk */ | |
301 | ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH, | |
302 | &images.rd_start, &images.rd_end); | |
303 | if (ret) { | |
304 | puts("Ramdisk image is corrupt or invalid\n"); | |
305 | return 1; | |
306 | } | |
307 | ||
308 | return 0; | |
309 | } | |
310 | ||
311 | #if defined(CONFIG_OF_LIBFDT) | |
312 | static int bootm_find_fdt(int flag, int argc, char * const argv[]) | |
35fc84fa SG |
313 | { |
314 | int ret; | |
315 | ||
225fd8c5 TR |
316 | /* find flattened device tree */ |
317 | ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images, | |
318 | &images.ft_addr, &images.ft_len); | |
319 | if (ret) { | |
320 | puts("Could not find a valid device tree\n"); | |
321 | return 1; | |
322 | } | |
323 | ||
324 | set_working_fdt_addr(images.ft_addr); | |
325 | ||
326 | return 0; | |
327 | } | |
328 | #endif | |
329 | ||
330 | static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc, | |
331 | char * const argv[]) | |
332 | { | |
24de2f4b | 333 | if (((images.os.type == IH_TYPE_KERNEL) || |
b9b50e89 | 334 | (images.os.type == IH_TYPE_KERNEL_NOLOAD) || |
24de2f4b | 335 | (images.os.type == IH_TYPE_MULTI)) && |
8b828a8f | 336 | (images.os.os == IH_OS_LINUX)) { |
225fd8c5 | 337 | if (bootm_find_ramdisk(flag, argc, argv)) |
c4f9419c | 338 | return 1; |
06a09918 KG |
339 | |
340 | #if defined(CONFIG_OF_LIBFDT) | |
225fd8c5 | 341 | if (bootm_find_fdt(flag, argc, argv)) |
06a09918 | 342 | return 1; |
06a09918 | 343 | #endif |
c4f9419c KG |
344 | } |
345 | ||
396f635b KG |
346 | return 0; |
347 | } | |
3d71c81a | 348 | |
396f635b KG |
349 | #define BOOTM_ERR_RESET -1 |
350 | #define BOOTM_ERR_OVERLAP -2 | |
351 | #define BOOTM_ERR_UNIMPLEMENTED -3 | |
d366438d TR |
352 | static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end, |
353 | int boot_progress) | |
396f635b | 354 | { |
d366438d | 355 | image_info_t os = images->os; |
396f635b KG |
356 | uint8_t comp = os.comp; |
357 | ulong load = os.load; | |
358 | ulong blob_start = os.start; | |
359 | ulong blob_end = os.end; | |
360 | ulong image_start = os.image_start; | |
361 | ulong image_len = os.image_len; | |
5bf2766b | 362 | __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN; |
d510859b | 363 | int no_overlap = 0; |
aed161e5 | 364 | void *load_buf, *image_buf; |
60fdc5f2 MW |
365 | #if defined(CONFIG_LZMA) || defined(CONFIG_LZO) |
366 | int ret; | |
367 | #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */ | |
3d71c81a | 368 | |
712fbcf3 | 369 | const char *type_name = genimg_get_type_name(os.type); |
c7de829c | 370 | |
315c0ace | 371 | load_buf = map_sysmem(load, unc_len); |
aed161e5 | 372 | image_buf = map_sysmem(image_start, image_len); |
d5934ad7 | 373 | switch (comp) { |
47d1a6e1 | 374 | case IH_COMP_NONE: |
02cf3459 | 375 | if (load == blob_start || load == image_start) { |
712fbcf3 | 376 | printf(" XIP %s ... ", type_name); |
d510859b | 377 | no_overlap = 1; |
47d1a6e1 | 378 | } else { |
712fbcf3 | 379 | printf(" Loading %s ... ", type_name); |
aed161e5 | 380 | memmove_wd(load_buf, image_buf, image_len, CHUNKSZ); |
47d1a6e1 | 381 | } |
396f635b | 382 | *load_end = load + image_len; |
47d1a6e1 | 383 | break; |
44431cab | 384 | #ifdef CONFIG_GZIP |
47d1a6e1 | 385 | case IH_COMP_GZIP: |
712fbcf3 | 386 | printf(" Uncompressing %s ... ", type_name); |
aed161e5 | 387 | if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) { |
712fbcf3 SW |
388 | puts("GUNZIP: uncompress, out-of-mem or overwrite " |
389 | "error - must RESET board to recover\n"); | |
396f635b | 390 | if (boot_progress) |
770605e4 | 391 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
396f635b | 392 | return BOOTM_ERR_RESET; |
47d1a6e1 | 393 | } |
7582438c | 394 | |
396f635b | 395 | *load_end = load + image_len; |
47d1a6e1 | 396 | break; |
44431cab | 397 | #endif /* CONFIG_GZIP */ |
c29fdfc1 WD |
398 | #ifdef CONFIG_BZIP2 |
399 | case IH_COMP_BZIP2: | |
712fbcf3 | 400 | printf(" Uncompressing %s ... ", type_name); |
5653fc33 WD |
401 | /* |
402 | * If we've got less than 4 MB of malloc() space, | |
403 | * use slower decompression algorithm which requires | |
404 | * at most 2300 KB of memory. | |
405 | */ | |
aed161e5 SG |
406 | int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len, |
407 | image_buf, image_len, | |
408 | CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0); | |
c29fdfc1 | 409 | if (i != BZ_OK) { |
712fbcf3 | 410 | printf("BUNZIP2: uncompress or overwrite error %d " |
2682ce8a | 411 | "- must RESET board to recover\n", i); |
396f635b | 412 | if (boot_progress) |
770605e4 | 413 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
396f635b | 414 | return BOOTM_ERR_RESET; |
c29fdfc1 | 415 | } |
7582438c | 416 | |
396f635b | 417 | *load_end = load + unc_len; |
c29fdfc1 WD |
418 | break; |
419 | #endif /* CONFIG_BZIP2 */ | |
fc9c1727 | 420 | #ifdef CONFIG_LZMA |
78e1e846 MF |
421 | case IH_COMP_LZMA: { |
422 | SizeT lzma_len = unc_len; | |
712fbcf3 | 423 | printf(" Uncompressing %s ... ", type_name); |
fc9c1727 | 424 | |
aed161e5 SG |
425 | ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len, |
426 | image_buf, image_len); | |
78e1e846 | 427 | unc_len = lzma_len; |
caf72ff3 | 428 | if (ret != SZ_OK) { |
712fbcf3 | 429 | printf("LZMA: uncompress or overwrite error %d " |
fc9c1727 | 430 | "- must RESET board to recover\n", ret); |
770605e4 | 431 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
fc9c1727 LCM |
432 | return BOOTM_ERR_RESET; |
433 | } | |
434 | *load_end = load + unc_len; | |
435 | break; | |
78e1e846 | 436 | } |
fc9c1727 | 437 | #endif /* CONFIG_LZMA */ |
20dde48b | 438 | #ifdef CONFIG_LZO |
628af179 SG |
439 | case IH_COMP_LZO: { |
440 | size_t size; | |
441 | ||
712fbcf3 | 442 | printf(" Uncompressing %s ... ", type_name); |
20dde48b | 443 | |
628af179 | 444 | ret = lzop_decompress(image_buf, image_len, load_buf, &size); |
20dde48b | 445 | if (ret != LZO_E_OK) { |
712fbcf3 | 446 | printf("LZO: uncompress or overwrite error %d " |
20dde48b PK |
447 | "- must RESET board to recover\n", ret); |
448 | if (boot_progress) | |
770605e4 | 449 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
20dde48b PK |
450 | return BOOTM_ERR_RESET; |
451 | } | |
452 | ||
628af179 | 453 | *load_end = load + size; |
20dde48b | 454 | break; |
628af179 | 455 | } |
20dde48b | 456 | #endif /* CONFIG_LZO */ |
47d1a6e1 | 457 | default: |
712fbcf3 | 458 | printf("Unimplemented compression type %d\n", comp); |
396f635b | 459 | return BOOTM_ERR_UNIMPLEMENTED; |
47d1a6e1 | 460 | } |
99ffccbd DC |
461 | |
462 | flush_cache(load, (*load_end - load) * sizeof(ulong)); | |
463 | ||
712fbcf3 SW |
464 | puts("OK\n"); |
465 | debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end); | |
770605e4 | 466 | bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); |
47d1a6e1 | 467 | |
d510859b | 468 | if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) { |
712fbcf3 SW |
469 | debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n", |
470 | blob_start, blob_end); | |
471 | debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load, | |
472 | *load_end); | |
47d1a6e1 | 473 | |
d366438d TR |
474 | /* Check what type of image this is. */ |
475 | if (images->legacy_hdr_valid) { | |
476 | if (image_get_type(&images->legacy_hdr_os_copy) | |
477 | == IH_TYPE_MULTI) | |
478 | puts("WARNING: legacy format multi component image overwritten\n"); | |
479 | return BOOTM_ERR_OVERLAP; | |
480 | } else { | |
481 | puts("ERROR: new format image overwritten - must RESET the board to recover\n"); | |
482 | bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); | |
483 | return BOOTM_ERR_RESET; | |
484 | } | |
396f635b KG |
485 | } |
486 | ||
487 | return 0; | |
488 | } | |
489 | ||
35fc84fa | 490 | static int bootm_start_standalone(int argc, char * const argv[]) |
f97ec30b DZ |
491 | { |
492 | char *s; | |
54841ab5 | 493 | int (*appl)(int, char * const []); |
f97ec30b DZ |
494 | |
495 | /* Don't start if "autostart" is set to "no" */ | |
496 | if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) { | |
41ef372c | 497 | setenv_hex("filesize", images.os.image_len); |
f97ec30b DZ |
498 | return 0; |
499 | } | |
6d6f1236 | 500 | appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep); |
983c72f4 | 501 | (*appl)(argc, argv); |
f97ec30b DZ |
502 | return 0; |
503 | } | |
504 | ||
49c3a861 KG |
505 | /* we overload the cmd field with our state machine info instead of a |
506 | * function pointer */ | |
f74d9bd2 | 507 | static cmd_tbl_t cmd_bootm_sub[] = { |
49c3a861 KG |
508 | U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""), |
509 | U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""), | |
fca43cc8 | 510 | #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH |
49c3a861 KG |
511 | U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""), |
512 | #endif | |
513 | #ifdef CONFIG_OF_LIBFDT | |
514 | U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""), | |
515 | #endif | |
49c3a861 | 516 | U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""), |
224c90d1 | 517 | U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""), |
49c3a861 | 518 | U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""), |
d0ae31eb | 519 | U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""), |
49c3a861 KG |
520 | U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""), |
521 | }; | |
522 | ||
35fc84fa | 523 | static int boot_selected_os(int argc, char * const argv[], int state, |
5ff0d083 | 524 | bootm_headers_t *images, boot_os_fn *boot_fn) |
35fc84fa SG |
525 | { |
526 | if (images->os.type == IH_TYPE_STANDALONE) { | |
527 | /* This may return when 'autostart' is 'no' */ | |
528 | bootm_start_standalone(argc, argv); | |
529 | return 0; | |
530 | } | |
35fc84fa SG |
531 | arch_preboot_os(); |
532 | boot_fn(state, argc, argv, images); | |
d0ae31eb SG |
533 | if (state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */ |
534 | return 0; | |
35fc84fa SG |
535 | bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED); |
536 | #ifdef DEBUG | |
537 | puts("\n## Control returned to monitor - resetting...\n"); | |
538 | #endif | |
539 | return BOOTM_ERR_RESET; | |
540 | } | |
541 | ||
385501d3 SG |
542 | /** |
543 | * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot | |
544 | * | |
545 | * @return interrupt flag (0 if interrupts were disabled, non-zero if they were | |
546 | * enabled) | |
547 | */ | |
548 | static ulong bootm_disable_interrupts(void) | |
549 | { | |
550 | ulong iflag; | |
551 | ||
552 | /* | |
553 | * We have reached the point of no return: we are going to | |
554 | * overwrite all exception vector code, so we cannot easily | |
555 | * recover from any failures any more... | |
556 | */ | |
557 | iflag = disable_interrupts(); | |
558 | #ifdef CONFIG_NETCONSOLE | |
559 | /* Stop the ethernet stack if NetConsole could have left it up */ | |
560 | eth_halt(); | |
561 | #endif | |
562 | ||
563 | #if defined(CONFIG_CMD_USB) | |
564 | /* | |
565 | * turn off USB to prevent the host controller from writing to the | |
566 | * SDRAM while Linux is booting. This could happen (at least for OHCI | |
567 | * controller), because the HCCA (Host Controller Communication Area) | |
568 | * lies within the SDRAM and the host controller writes continously to | |
569 | * this area (as busmaster!). The HccaFrameNumber is for example | |
570 | * updated every 1 ms within the HCCA structure in SDRAM! For more | |
571 | * details see the OpenHCI specification. | |
572 | */ | |
573 | usb_stop(); | |
574 | #endif | |
575 | return iflag; | |
576 | } | |
577 | ||
35fc84fa SG |
578 | /** |
579 | * Execute selected states of the bootm command. | |
580 | * | |
581 | * Note the arguments to this state must be the first argument, Any 'bootm' | |
582 | * or sub-command arguments must have already been taken. | |
583 | * | |
584 | * Note that if states contains more than one flag it MUST contain | |
585 | * BOOTM_STATE_START, since this handles and consumes the command line args. | |
586 | * | |
d366438d TR |
587 | * Also note that aside from boot_os_fn functions and bootm_load_os no other |
588 | * functions we store the return value of in 'ret' may use a negative return | |
589 | * value, without special handling. | |
590 | * | |
35fc84fa SG |
591 | * @param cmdtp Pointer to bootm command table entry |
592 | * @param flag Command flags (CMD_FLAG_...) | |
593 | * @param argc Number of subcommand arguments (0 = no arguments) | |
594 | * @param argv Arguments | |
595 | * @param states Mask containing states to run (BOOTM_STATE_...) | |
596 | * @param images Image header information | |
597 | * @param boot_progress 1 to show boot progress, 0 to not do this | |
598 | * @return 0 if ok, something else on error. Some errors will cause this | |
599 | * function to perform a reboot! If states contains BOOTM_STATE_OS_GO | |
600 | * then the intent is to boot an OS, so this function will not return | |
601 | * unless the image type is standalone. | |
602 | */ | |
603 | static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, | |
604 | char * const argv[], int states, bootm_headers_t *images, | |
605 | int boot_progress) | |
606 | { | |
607 | boot_os_fn *boot_fn; | |
608 | ulong iflag = 0; | |
a26913f3 | 609 | int ret = 0, need_boot_fn; |
35fc84fa SG |
610 | |
611 | images->state |= states; | |
612 | ||
613 | /* | |
614 | * Work through the states and see how far we get. We stop on | |
615 | * any error. | |
616 | */ | |
617 | if (states & BOOTM_STATE_START) | |
618 | ret = bootm_start(cmdtp, flag, argc, argv); | |
619 | ||
620 | if (!ret && (states & BOOTM_STATE_FINDOS)) | |
621 | ret = bootm_find_os(cmdtp, flag, argc, argv); | |
622 | ||
623 | if (!ret && (states & BOOTM_STATE_FINDOTHER)) { | |
624 | ret = bootm_find_other(cmdtp, flag, argc, argv); | |
625 | argc = 0; /* consume the args */ | |
626 | } | |
627 | ||
628 | /* Load the OS */ | |
629 | if (!ret && (states & BOOTM_STATE_LOADOS)) { | |
630 | ulong load_end; | |
631 | ||
385501d3 | 632 | iflag = bootm_disable_interrupts(); |
d366438d | 633 | ret = bootm_load_os(images, &load_end, 0); |
d366438d | 634 | if (ret == 0) |
35fc84fa SG |
635 | lmb_reserve(&images->lmb, images->os.load, |
636 | (load_end - images->os.load)); | |
970150a1 TR |
637 | else if (ret && ret != BOOTM_ERR_OVERLAP) |
638 | goto err; | |
d366438d TR |
639 | else if (ret == BOOTM_ERR_OVERLAP) |
640 | ret = 0; | |
bd4a3997 | 641 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) |
576aacdb SG |
642 | if (images->os.os == IH_OS_LINUX) |
643 | fixup_silent_linux(); | |
644 | #endif | |
35fc84fa SG |
645 | } |
646 | ||
647 | /* Relocate the ramdisk */ | |
648 | #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH | |
649 | if (!ret && (states & BOOTM_STATE_RAMDISK)) { | |
650 | ulong rd_len = images->rd_end - images->rd_start; | |
651 | ||
652 | ret = boot_ramdisk_high(&images->lmb, images->rd_start, | |
653 | rd_len, &images->initrd_start, &images->initrd_end); | |
654 | if (!ret) { | |
655 | setenv_hex("initrd_start", images->initrd_start); | |
656 | setenv_hex("initrd_end", images->initrd_end); | |
657 | } | |
658 | } | |
659 | #endif | |
660 | #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB) | |
661 | if (!ret && (states & BOOTM_STATE_FDT)) { | |
662 | boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); | |
663 | ret = boot_relocate_fdt(&images->lmb, &images->ft_addr, | |
664 | &images->ft_len); | |
665 | } | |
666 | #endif | |
667 | ||
668 | /* From now on, we need the OS boot function */ | |
669 | if (ret) | |
670 | return ret; | |
671 | boot_fn = boot_os[images->os.os]; | |
a26913f3 SG |
672 | need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE | |
673 | BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP | | |
674 | BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO); | |
675 | if (boot_fn == NULL && need_boot_fn) { | |
35fc84fa SG |
676 | if (iflag) |
677 | enable_interrupts(); | |
678 | printf("ERROR: booting os '%s' (%d) is not supported\n", | |
679 | genimg_get_os_name(images->os.os), images->os.os); | |
680 | bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS); | |
681 | return 1; | |
682 | } | |
683 | ||
684 | /* Call various other states that are not generally used */ | |
685 | if (!ret && (states & BOOTM_STATE_OS_CMDLINE)) | |
686 | ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images); | |
687 | if (!ret && (states & BOOTM_STATE_OS_BD_T)) | |
688 | ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images); | |
689 | if (!ret && (states & BOOTM_STATE_OS_PREP)) | |
690 | ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images); | |
691 | ||
d0ae31eb SG |
692 | #ifdef CONFIG_TRACE |
693 | /* Pretend to run the OS, then run a user command */ | |
694 | if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) { | |
695 | char *cmd_list = getenv("fakegocmd"); | |
696 | ||
697 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO, | |
5ff0d083 | 698 | images, boot_fn); |
d0ae31eb SG |
699 | if (!ret && cmd_list) |
700 | ret = run_command_list(cmd_list, -1, flag); | |
701 | } | |
702 | #endif | |
b7a1d134 SG |
703 | |
704 | /* Check for unsupported subcommand. */ | |
705 | if (ret) { | |
706 | puts("subcommand not supported\n"); | |
707 | return ret; | |
708 | } | |
709 | ||
35fc84fa | 710 | /* Now run the OS! We hope this doesn't return */ |
b7a1d134 | 711 | if (!ret && (states & BOOTM_STATE_OS_GO)) |
35fc84fa | 712 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO, |
5ff0d083 | 713 | images, boot_fn); |
35fc84fa SG |
714 | |
715 | /* Deal with any fallout */ | |
d366438d | 716 | err: |
35fc84fa SG |
717 | if (iflag) |
718 | enable_interrupts(); | |
d366438d TR |
719 | |
720 | if (ret == BOOTM_ERR_UNIMPLEMENTED) | |
721 | bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL); | |
722 | else if (ret == BOOTM_ERR_RESET) | |
723 | do_reset(cmdtp, flag, argc, argv); | |
35fc84fa SG |
724 | |
725 | return ret; | |
726 | } | |
727 | ||
088f1b19 | 728 | static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc, |
712fbcf3 | 729 | char * const argv[]) |
49c3a861 KG |
730 | { |
731 | int ret = 0; | |
6d6f1236 | 732 | long state; |
49c3a861 | 733 | cmd_tbl_t *c; |
49c3a861 | 734 | |
983c72f4 SG |
735 | c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub)); |
736 | argc--; argv++; | |
49c3a861 KG |
737 | |
738 | if (c) { | |
6d6f1236 | 739 | state = (long)c->cmd; |
983c72f4 | 740 | if (state == BOOTM_STATE_START) |
35fc84fa | 741 | state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER; |
47e26b1b WD |
742 | } else { |
743 | /* Unrecognized command */ | |
4c12eeb8 | 744 | return CMD_RET_USAGE; |
49c3a861 KG |
745 | } |
746 | ||
35fc84fa | 747 | if (state != BOOTM_STATE_START && images.state >= state) { |
712fbcf3 | 748 | printf("Trying to execute a command out of order\n"); |
4c12eeb8 | 749 | return CMD_RET_USAGE; |
49c3a861 KG |
750 | } |
751 | ||
35fc84fa | 752 | ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0); |
49c3a861 KG |
753 | |
754 | return ret; | |
755 | } | |
756 | ||
396f635b KG |
757 | /*******************************************************************/ |
758 | /* bootm - boot application image from image in memory */ | |
759 | /*******************************************************************/ | |
be083159 | 760 | |
712fbcf3 | 761 | int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
396f635b | 762 | { |
2e5167cc | 763 | #ifdef CONFIG_NEEDS_MANUAL_RELOC |
521af04d | 764 | static int relocated = 0; |
be083159 | 765 | |
be083159 KG |
766 | if (!relocated) { |
767 | int i; | |
58bd77db DS |
768 | |
769 | /* relocate boot function table */ | |
be083159 | 770 | for (i = 0; i < ARRAY_SIZE(boot_os); i++) |
ca95c9df DZ |
771 | if (boot_os[i] != NULL) |
772 | boot_os[i] += gd->reloc_off; | |
58bd77db DS |
773 | |
774 | /* relocate names of sub-command table */ | |
775 | for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++) | |
776 | cmd_bootm_sub[i].name += gd->reloc_off; | |
777 | ||
be083159 KG |
778 | relocated = 1; |
779 | } | |
521af04d | 780 | #endif |
396f635b | 781 | |
49c3a861 | 782 | /* determine if we have a sub command */ |
983c72f4 SG |
783 | argc--; argv++; |
784 | if (argc > 0) { | |
49c3a861 KG |
785 | char *endp; |
786 | ||
983c72f4 SG |
787 | simple_strtoul(argv[0], &endp, 16); |
788 | /* endp pointing to NULL means that argv[0] was just a | |
49c3a861 KG |
789 | * valid number, pass it along to the normal bootm processing |
790 | * | |
791 | * If endp is ':' or '#' assume a FIT identifier so pass | |
792 | * along for normal processing. | |
793 | * | |
794 | * Right now we assume the first arg should never be '-' | |
795 | */ | |
796 | if ((*endp != 0) && (*endp != ':') && (*endp != '#')) | |
797 | return do_bootm_subcommand(cmdtp, flag, argc, argv); | |
798 | } | |
799 | ||
35fc84fa SG |
800 | return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START | |
801 | BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER | | |
5c427e49 PB |
802 | BOOTM_STATE_LOADOS | BOOTM_STATE_OS_CMDLINE | |
803 | BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO | | |
804 | BOOTM_STATE_OS_GO, &images, 1); | |
47d1a6e1 WD |
805 | } |
806 | ||
67d668bf MF |
807 | int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd) |
808 | { | |
809 | const char *ep = getenv("autostart"); | |
810 | ||
811 | if (ep && !strcmp(ep, "yes")) { | |
812 | char *local_args[2]; | |
813 | local_args[0] = (char *)cmd; | |
814 | local_args[1] = NULL; | |
815 | printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr); | |
816 | return do_bootm(cmdtp, 0, 1, local_args); | |
817 | } | |
818 | ||
819 | return 0; | |
820 | } | |
821 | ||
1efd4360 | 822 | /** |
9a4daad0 MB |
823 | * image_get_kernel - verify legacy format kernel image |
824 | * @img_addr: in RAM address of the legacy format image to be verified | |
825 | * @verify: data CRC verification flag | |
1efd4360 | 826 | * |
9a4daad0 MB |
827 | * image_get_kernel() verifies legacy image integrity and returns pointer to |
828 | * legacy image header if image verification was completed successfully. | |
1efd4360 MB |
829 | * |
830 | * returns: | |
9a4daad0 MB |
831 | * pointer to a legacy image header if valid image was found |
832 | * otherwise return NULL | |
1efd4360 | 833 | */ |
712fbcf3 | 834 | static image_header_t *image_get_kernel(ulong img_addr, int verify) |
f72da340 | 835 | { |
1efd4360 | 836 | image_header_t *hdr = (image_header_t *)img_addr; |
f72da340 | 837 | |
1efd4360 | 838 | if (!image_check_magic(hdr)) { |
712fbcf3 | 839 | puts("Bad Magic Number\n"); |
770605e4 | 840 | bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC); |
1efd4360 MB |
841 | return NULL; |
842 | } | |
770605e4 | 843 | bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER); |
f72da340 | 844 | |
712fbcf3 SW |
845 | if (!image_check_hcrc(hdr)) { |
846 | puts("Bad Header Checksum\n"); | |
770605e4 | 847 | bootstage_error(BOOTSTAGE_ID_CHECK_HEADER); |
1efd4360 MB |
848 | return NULL; |
849 | } | |
850 | ||
770605e4 | 851 | bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM); |
712fbcf3 | 852 | image_print_contents(hdr); |
1efd4360 MB |
853 | |
854 | if (verify) { | |
712fbcf3 SW |
855 | puts(" Verifying Checksum ... "); |
856 | if (!image_check_dcrc(hdr)) { | |
857 | printf("Bad Data CRC\n"); | |
770605e4 | 858 | bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM); |
1efd4360 | 859 | return NULL; |
f72da340 | 860 | } |
712fbcf3 | 861 | puts("OK\n"); |
f72da340 | 862 | } |
770605e4 | 863 | bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH); |
f72da340 | 864 | |
712fbcf3 SW |
865 | if (!image_check_target_arch(hdr)) { |
866 | printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr)); | |
770605e4 | 867 | bootstage_error(BOOTSTAGE_ID_CHECK_ARCH); |
1efd4360 MB |
868 | return NULL; |
869 | } | |
870 | return hdr; | |
f72da340 | 871 | } |
f72da340 | 872 | |
5cf746c3 | 873 | /** |
9a4daad0 | 874 | * boot_get_kernel - find kernel image |
5cf746c3 MB |
875 | * @os_data: pointer to a ulong variable, will hold os data start address |
876 | * @os_len: pointer to a ulong variable, will hold os data length | |
877 | * | |
9a4daad0 | 878 | * boot_get_kernel() tries to find a kernel image, verifies its integrity |
5cf746c3 MB |
879 | * and locates kernel data. |
880 | * | |
881 | * returns: | |
882 | * pointer to image header if valid image was found, plus kernel start | |
883 | * address and length, otherwise NULL | |
884 | */ | |
35e7b0f1 | 885 | static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, |
712fbcf3 SW |
886 | char * const argv[], bootm_headers_t *images, ulong *os_data, |
887 | ulong *os_len) | |
5cf746c3 MB |
888 | { |
889 | image_header_t *hdr; | |
890 | ulong img_addr; | |
35e7b0f1 | 891 | const void *buf; |
d5934ad7 | 892 | #if defined(CONFIG_FIT) |
d5934ad7 MB |
893 | const char *fit_uname_config = NULL; |
894 | const char *fit_uname_kernel = NULL; | |
6986a385 | 895 | int os_noffset; |
d5934ad7 | 896 | #endif |
56f94be3 | 897 | |
d5934ad7 | 898 | /* find out kernel image address */ |
983c72f4 | 899 | if (argc < 1) { |
5cf746c3 | 900 | img_addr = load_addr; |
712fbcf3 | 901 | debug("* kernel: default image load address = 0x%08lx\n", |
d5934ad7 MB |
902 | load_addr); |
903 | #if defined(CONFIG_FIT) | |
983c72f4 | 904 | } else if (fit_parse_conf(argv[0], load_addr, &img_addr, |
d5934ad7 | 905 | &fit_uname_config)) { |
712fbcf3 | 906 | debug("* kernel: config '%s' from image at 0x%08lx\n", |
d5934ad7 | 907 | fit_uname_config, img_addr); |
983c72f4 | 908 | } else if (fit_parse_subimage(argv[0], load_addr, &img_addr, |
d5934ad7 | 909 | &fit_uname_kernel)) { |
712fbcf3 | 910 | debug("* kernel: subimage '%s' from image at 0x%08lx\n", |
d5934ad7 MB |
911 | fit_uname_kernel, img_addr); |
912 | #endif | |
5cf746c3 | 913 | } else { |
983c72f4 | 914 | img_addr = simple_strtoul(argv[0], NULL, 16); |
712fbcf3 | 915 | debug("* kernel: cmdline image address = 0x%08lx\n", img_addr); |
5cf746c3 | 916 | } |
47d1a6e1 | 917 | |
770605e4 | 918 | bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); |
56f94be3 | 919 | |
fff888a1 | 920 | /* copy from dataflash if needed */ |
712fbcf3 | 921 | img_addr = genimg_get_image(img_addr); |
5cf746c3 | 922 | |
d5934ad7 | 923 | /* check image type, for FIT images get FIT kernel node */ |
6986a385 | 924 | *os_data = *os_len = 0; |
35e7b0f1 SG |
925 | buf = map_sysmem(img_addr, 0); |
926 | switch (genimg_get_format(buf)) { | |
d5934ad7 | 927 | case IMAGE_FORMAT_LEGACY: |
712fbcf3 | 928 | printf("## Booting kernel from Legacy Image at %08lx ...\n", |
6986a385 | 929 | img_addr); |
712fbcf3 | 930 | hdr = image_get_kernel(img_addr, images->verify); |
1efd4360 | 931 | if (!hdr) |
d5934ad7 | 932 | return NULL; |
770605e4 | 933 | bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE); |
d5934ad7 | 934 | |
6986a385 | 935 | /* get os_data and os_len */ |
712fbcf3 | 936 | switch (image_get_type(hdr)) { |
d5934ad7 | 937 | case IH_TYPE_KERNEL: |
b9b50e89 | 938 | case IH_TYPE_KERNEL_NOLOAD: |
712fbcf3 SW |
939 | *os_data = image_get_data(hdr); |
940 | *os_len = image_get_data_size(hdr); | |
d5934ad7 MB |
941 | break; |
942 | case IH_TYPE_MULTI: | |
712fbcf3 | 943 | image_multi_getimg(hdr, 0, os_data, os_len); |
d5934ad7 | 944 | break; |
f97ec30b | 945 | case IH_TYPE_STANDALONE: |
712fbcf3 SW |
946 | *os_data = image_get_data(hdr); |
947 | *os_len = image_get_data_size(hdr); | |
f97ec30b | 948 | break; |
d5934ad7 | 949 | default: |
712fbcf3 SW |
950 | printf("Wrong Image Type for %s command\n", |
951 | cmdtp->name); | |
770605e4 | 952 | bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); |
d5934ad7 MB |
953 | return NULL; |
954 | } | |
cb1c4896 MB |
955 | |
956 | /* | |
712fbcf3 SW |
957 | * copy image header to allow for image overwrites during |
958 | * kernel decompression. | |
cb1c4896 | 959 | */ |
712fbcf3 SW |
960 | memmove(&images->legacy_hdr_os_copy, hdr, |
961 | sizeof(image_header_t)); | |
cb1c4896 MB |
962 | |
963 | /* save pointer to image header */ | |
d5934ad7 | 964 | images->legacy_hdr_os = hdr; |
47d1a6e1 | 965 | |
cb1c4896 | 966 | images->legacy_hdr_valid = 1; |
770605e4 | 967 | bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); |
5cf746c3 | 968 | break; |
d5934ad7 MB |
969 | #if defined(CONFIG_FIT) |
970 | case IMAGE_FORMAT_FIT: | |
4651800d SG |
971 | os_noffset = fit_image_load(images, FIT_KERNEL_PROP, |
972 | img_addr, | |
f320a4d8 | 973 | &fit_uname_kernel, &fit_uname_config, |
4651800d SG |
974 | IH_ARCH_DEFAULT, IH_TYPE_KERNEL, |
975 | BOOTSTAGE_ID_FIT_KERNEL_START, | |
976 | FIT_LOAD_IGNORED, os_data, os_len); | |
977 | if (os_noffset < 0) | |
6986a385 | 978 | return NULL; |
47d1a6e1 | 979 | |
4651800d | 980 | images->fit_hdr_os = map_sysmem(img_addr, 0); |
6986a385 | 981 | images->fit_uname_os = fit_uname_kernel; |
f320a4d8 | 982 | images->fit_uname_cfg = fit_uname_config; |
3dfe1101 | 983 | images->fit_noffset_os = os_noffset; |
6986a385 | 984 | break; |
9c4c5ae3 | 985 | #endif |
5cf746c3 | 986 | default: |
712fbcf3 | 987 | printf("Wrong Image Format for %s command\n", cmdtp->name); |
770605e4 | 988 | bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO); |
5cf746c3 | 989 | return NULL; |
47d1a6e1 WD |
990 | } |
991 | ||
712fbcf3 | 992 | debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", |
6986a385 | 993 | *os_data, *os_len, *os_len); |
47d1a6e1 | 994 | |
35e7b0f1 | 995 | return buf; |
5cf746c3 | 996 | } |
98a9c4d4 | 997 | |
088f1b19 KP |
998 | #ifdef CONFIG_SYS_LONGHELP |
999 | static char bootm_help_text[] = | |
1ee1180b MB |
1000 | "[addr [arg ...]]\n - boot application image stored in memory\n" |
1001 | "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n" | |
1002 | "\t'arg' can be the address of an initrd image\n" | |
4a2ad5ff | 1003 | #if defined(CONFIG_OF_LIBFDT) |
98a9c4d4 | 1004 | "\tWhen booting a Linux kernel which requires a flat device-tree\n" |
5441f61a | 1005 | "\ta third argument is required which is the address of the\n" |
98a9c4d4 MM |
1006 | "\tdevice-tree blob. To boot that kernel without an initrd image,\n" |
1007 | "\tuse a '-' for the second argument. If you do not pass a third\n" | |
1008 | "\ta bd_info struct will be passed instead\n" | |
98a9c4d4 | 1009 | #endif |
6986a385 MB |
1010 | #if defined(CONFIG_FIT) |
1011 | "\t\nFor the new multi component uImage format (FIT) addresses\n" | |
1012 | "\tmust be extened to include component or configuration unit name:\n" | |
1013 | "\taddr:<subimg_uname> - direct component image specification\n" | |
1014 | "\taddr#<conf_uname> - configuration specification\n" | |
1015 | "\tUse iminfo command to get the list of existing component\n" | |
1016 | "\timages and configurations.\n" | |
1017 | #endif | |
49c3a861 KG |
1018 | "\nSub-commands to do part of the bootm sequence. The sub-commands " |
1019 | "must be\n" | |
1020 | "issued in the order below (it's ok to not issue all sub-commands):\n" | |
1021 | "\tstart [addr [arg ...]]\n" | |
1022 | "\tloados - load OS image\n" | |
59af76d9 | 1023 | #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH) |
49c3a861 KG |
1024 | "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n" |
1025 | #endif | |
1026 | #if defined(CONFIG_OF_LIBFDT) | |
1027 | "\tfdt - relocate flat device tree\n" | |
1028 | #endif | |
49c3a861 | 1029 | "\tcmdline - OS specific command line processing/setup\n" |
224c90d1 | 1030 | "\tbdt - OS specific bd_t processing\n" |
49c3a861 | 1031 | "\tprep - OS specific prep before relocation or go\n" |
088f1b19 KP |
1032 | "\tgo - start OS"; |
1033 | #endif | |
1034 | ||
1035 | U_BOOT_CMD( | |
1036 | bootm, CONFIG_SYS_MAXARGS, 1, do_bootm, | |
1037 | "boot application image from memory", bootm_help_text | |
8bde7f77 | 1038 | ); |
47d1a6e1 | 1039 | |
1ee1180b MB |
1040 | /*******************************************************************/ |
1041 | /* bootd - boot default image */ | |
1042 | /*******************************************************************/ | |
baa26db4 | 1043 | #if defined(CONFIG_CMD_BOOTD) |
712fbcf3 | 1044 | int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
47d1a6e1 WD |
1045 | { |
1046 | int rcode = 0; | |
47d1a6e1 | 1047 | |
53071532 | 1048 | if (run_command(getenv("bootcmd"), flag) < 0) |
1ee1180b | 1049 | rcode = 1; |
47d1a6e1 WD |
1050 | return rcode; |
1051 | } | |
47d1a6e1 | 1052 | |
0d498393 | 1053 | U_BOOT_CMD( |
1ee1180b | 1054 | boot, 1, 1, do_bootd, |
2fb2604d | 1055 | "boot default, i.e., run 'bootcmd'", |
a89c33db | 1056 | "" |
9d2b18a0 | 1057 | ); |
47d1a6e1 | 1058 | |
9d2b18a0 | 1059 | /* keep old command name "bootd" for backward compatibility */ |
0d498393 | 1060 | U_BOOT_CMD( |
1ee1180b | 1061 | bootd, 1, 1, do_bootd, |
2fb2604d | 1062 | "boot default, i.e., run 'bootcmd'", |
a89c33db | 1063 | "" |
8bde7f77 | 1064 | ); |
47d1a6e1 | 1065 | |
47d1a6e1 | 1066 | #endif |
47d1a6e1 | 1067 | |
47d1a6e1 | 1068 | |
1ee1180b MB |
1069 | /*******************************************************************/ |
1070 | /* iminfo - print header info for a requested image */ | |
1071 | /*******************************************************************/ | |
baa26db4 | 1072 | #if defined(CONFIG_CMD_IMI) |
088f1b19 | 1073 | static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
47d1a6e1 WD |
1074 | { |
1075 | int arg; | |
1076 | ulong addr; | |
1ee1180b | 1077 | int rcode = 0; |
47d1a6e1 | 1078 | |
47d1a6e1 | 1079 | if (argc < 2) { |
712fbcf3 | 1080 | return image_info(load_addr); |
47d1a6e1 | 1081 | } |
47d1a6e1 | 1082 | |
1ee1180b | 1083 | for (arg = 1; arg < argc; ++arg) { |
712fbcf3 SW |
1084 | addr = simple_strtoul(argv[arg], NULL, 16); |
1085 | if (image_info(addr) != 0) | |
1ee1180b | 1086 | rcode = 1; |
47d1a6e1 WD |
1087 | } |
1088 | return rcode; | |
1089 | } | |
47d1a6e1 | 1090 | |
712fbcf3 | 1091 | static int image_info(ulong addr) |
47d1a6e1 | 1092 | { |
d5934ad7 | 1093 | void *hdr = (void *)addr; |
47d1a6e1 | 1094 | |
712fbcf3 | 1095 | printf("\n## Checking Image at %08lx ...\n", addr); |
47d1a6e1 | 1096 | |
712fbcf3 | 1097 | switch (genimg_get_format(hdr)) { |
d5934ad7 | 1098 | case IMAGE_FORMAT_LEGACY: |
712fbcf3 SW |
1099 | puts(" Legacy image found\n"); |
1100 | if (!image_check_magic(hdr)) { | |
1101 | puts(" Bad Magic Number\n"); | |
d5934ad7 MB |
1102 | return 1; |
1103 | } | |
47d1a6e1 | 1104 | |
712fbcf3 SW |
1105 | if (!image_check_hcrc(hdr)) { |
1106 | puts(" Bad Header Checksum\n"); | |
d5934ad7 | 1107 | return 1; |
47d1a6e1 WD |
1108 | } |
1109 | ||
712fbcf3 | 1110 | image_print_contents(hdr); |
47d1a6e1 | 1111 | |
712fbcf3 SW |
1112 | puts(" Verifying Checksum ... "); |
1113 | if (!image_check_dcrc(hdr)) { | |
1114 | puts(" Bad Data CRC\n"); | |
d5934ad7 | 1115 | return 1; |
47d1a6e1 | 1116 | } |
712fbcf3 | 1117 | puts("OK\n"); |
d5934ad7 MB |
1118 | return 0; |
1119 | #if defined(CONFIG_FIT) | |
1120 | case IMAGE_FORMAT_FIT: | |
712fbcf3 | 1121 | puts(" FIT image found\n"); |
47d1a6e1 | 1122 | |
712fbcf3 SW |
1123 | if (!fit_check_format(hdr)) { |
1124 | puts("Bad FIT image format!\n"); | |
e32fea6a | 1125 | return 1; |
47d1a6e1 WD |
1126 | } |
1127 | ||
712fbcf3 | 1128 | fit_print_contents(hdr); |
a4f24345 | 1129 | |
b8da8366 | 1130 | if (!fit_all_image_verify(hdr)) { |
712fbcf3 | 1131 | puts("Bad hash in FIT image!\n"); |
a4f24345 BS |
1132 | return 1; |
1133 | } | |
1134 | ||
d5934ad7 MB |
1135 | return 0; |
1136 | #endif | |
1137 | default: | |
712fbcf3 | 1138 | puts("Unknown image format!\n"); |
d5934ad7 | 1139 | break; |
47d1a6e1 WD |
1140 | } |
1141 | ||
d5934ad7 | 1142 | return 1; |
47d1a6e1 | 1143 | } |
0d498393 WD |
1144 | |
1145 | U_BOOT_CMD( | |
6d0f6bcf | 1146 | iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo, |
2fb2604d | 1147 | "print header information for application image", |
8bde7f77 WD |
1148 | "addr [addr ...]\n" |
1149 | " - print header information for application image starting at\n" | |
1150 | " address 'addr' in memory; this includes verification of the\n" | |
a89c33db | 1151 | " image contents (magic number, header and payload checksums)" |
8bde7f77 | 1152 | ); |
25c751e9 | 1153 | #endif |
87a449c8 | 1154 | |
25c751e9 | 1155 | |
1ee1180b MB |
1156 | /*******************************************************************/ |
1157 | /* imls - list all images found in flash */ | |
1158 | /*******************************************************************/ | |
baa26db4 | 1159 | #if defined(CONFIG_CMD_IMLS) |
8fdf1e0f | 1160 | static int do_imls_nor(void) |
27b207fd WD |
1161 | { |
1162 | flash_info_t *info; | |
1163 | int i, j; | |
d5934ad7 | 1164 | void *hdr; |
25c751e9 | 1165 | |
1ee1180b | 1166 | for (i = 0, info = &flash_info[0]; |
6d0f6bcf | 1167 | i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) { |
25c751e9 | 1168 | |
27b207fd WD |
1169 | if (info->flash_id == FLASH_UNKNOWN) |
1170 | goto next_bank; | |
1ee1180b | 1171 | for (j = 0; j < info->sector_count; ++j) { |
25c751e9 | 1172 | |
d5934ad7 MB |
1173 | hdr = (void *)info->start[j]; |
1174 | if (!hdr) | |
b97a2a0a | 1175 | goto next_sector; |
27b207fd | 1176 | |
712fbcf3 | 1177 | switch (genimg_get_format(hdr)) { |
d5934ad7 | 1178 | case IMAGE_FORMAT_LEGACY: |
712fbcf3 | 1179 | if (!image_check_hcrc(hdr)) |
d5934ad7 MB |
1180 | goto next_sector; |
1181 | ||
712fbcf3 SW |
1182 | printf("Legacy Image at %08lX:\n", (ulong)hdr); |
1183 | image_print_contents(hdr); | |
d5934ad7 | 1184 | |
712fbcf3 SW |
1185 | puts(" Verifying Checksum ... "); |
1186 | if (!image_check_dcrc(hdr)) { | |
1187 | puts("Bad Data CRC\n"); | |
d5934ad7 | 1188 | } else { |
712fbcf3 | 1189 | puts("OK\n"); |
d5934ad7 MB |
1190 | } |
1191 | break; | |
1192 | #if defined(CONFIG_FIT) | |
1193 | case IMAGE_FORMAT_FIT: | |
712fbcf3 | 1194 | if (!fit_check_format(hdr)) |
e32fea6a MB |
1195 | goto next_sector; |
1196 | ||
712fbcf3 SW |
1197 | printf("FIT Image at %08lX:\n", (ulong)hdr); |
1198 | fit_print_contents(hdr); | |
d5934ad7 | 1199 | break; |
213bf8c8 | 1200 | #endif |
d5934ad7 | 1201 | default: |
27b207fd | 1202 | goto next_sector; |
25c751e9 | 1203 | } |
87a449c8 | 1204 | |
bdccc4fe | 1205 | next_sector: ; |
c76f951a | 1206 | } |
bdccc4fe | 1207 | next_bank: ; |
27b207fd | 1208 | } |
8fdf1e0f VK |
1209 | return 0; |
1210 | } | |
1211 | #endif | |
1212 | ||
1213 | #if defined(CONFIG_CMD_IMLS_NAND) | |
1214 | static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off, | |
1215 | size_t len) | |
1216 | { | |
1217 | void *imgdata; | |
1218 | int ret; | |
1219 | ||
1220 | imgdata = malloc(len); | |
1221 | if (!imgdata) { | |
1222 | printf("May be a Legacy Image at NAND device %d offset %08llX:\n", | |
1223 | nand_dev, off); | |
1224 | printf(" Low memory(cannot allocate memory for image)\n"); | |
1225 | return -ENOMEM; | |
1226 | } | |
1227 | ||
1228 | ret = nand_read_skip_bad(nand, off, &len, | |
1229 | imgdata); | |
1230 | if (ret < 0 && ret != -EUCLEAN) { | |
1231 | free(imgdata); | |
1232 | return ret; | |
1233 | } | |
1234 | ||
1235 | if (!image_check_hcrc(imgdata)) { | |
1236 | free(imgdata); | |
1237 | return 0; | |
1238 | } | |
1239 | ||
1240 | printf("Legacy Image at NAND device %d offset %08llX:\n", | |
1241 | nand_dev, off); | |
1242 | image_print_contents(imgdata); | |
1243 | ||
1244 | puts(" Verifying Checksum ... "); | |
1245 | if (!image_check_dcrc(imgdata)) | |
1246 | puts("Bad Data CRC\n"); | |
1247 | else | |
1248 | puts("OK\n"); | |
1249 | ||
1250 | free(imgdata); | |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
1255 | static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off, | |
1256 | size_t len) | |
1257 | { | |
1258 | void *imgdata; | |
1259 | int ret; | |
1260 | ||
1261 | imgdata = malloc(len); | |
1262 | if (!imgdata) { | |
1263 | printf("May be a FIT Image at NAND device %d offset %08llX:\n", | |
1264 | nand_dev, off); | |
1265 | printf(" Low memory(cannot allocate memory for image)\n"); | |
1266 | return -ENOMEM; | |
1267 | } | |
1268 | ||
1269 | ret = nand_read_skip_bad(nand, off, &len, | |
1270 | imgdata); | |
1271 | if (ret < 0 && ret != -EUCLEAN) { | |
1272 | free(imgdata); | |
1273 | return ret; | |
1274 | } | |
1275 | ||
1276 | if (!fit_check_format(imgdata)) { | |
1277 | free(imgdata); | |
1278 | return 0; | |
1279 | } | |
1280 | ||
1281 | printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off); | |
1282 | ||
1283 | fit_print_contents(imgdata); | |
1284 | free(imgdata); | |
1285 | ||
1286 | return 0; | |
1287 | } | |
1288 | ||
1289 | static int do_imls_nand(void) | |
1290 | { | |
1291 | nand_info_t *nand; | |
1292 | int nand_dev = nand_curr_device; | |
1293 | size_t len; | |
1294 | loff_t off; | |
1295 | u32 buffer[16]; | |
1296 | ||
1297 | if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) { | |
1298 | puts("\nNo NAND devices available\n"); | |
1299 | return -ENODEV; | |
1300 | } | |
1301 | ||
1302 | printf("\n"); | |
1303 | ||
1304 | for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) { | |
1305 | nand = &nand_info[nand_dev]; | |
1306 | if (!nand->name || !nand->size) | |
1307 | continue; | |
1308 | ||
1309 | for (off = 0; off < nand->size; off += nand->erasesize) { | |
1310 | const image_header_t *header; | |
1311 | int ret; | |
1312 | ||
1313 | if (nand_block_isbad(nand, off)) | |
1314 | continue; | |
1315 | ||
1316 | len = sizeof(buffer); | |
1317 | ||
1318 | ret = nand_read(nand, off, &len, (u8 *)buffer); | |
1319 | if (ret < 0 && ret != -EUCLEAN) { | |
1320 | printf("NAND read error %d at offset %08llX\n", | |
1321 | ret, off); | |
1322 | continue; | |
1323 | } | |
1324 | ||
1325 | switch (genimg_get_format(buffer)) { | |
1326 | case IMAGE_FORMAT_LEGACY: | |
1327 | header = (const image_header_t *)buffer; | |
1328 | ||
1329 | len = image_get_image_size(header); | |
1330 | nand_imls_legacyimage(nand, nand_dev, off, len); | |
1331 | break; | |
1332 | #if defined(CONFIG_FIT) | |
1333 | case IMAGE_FORMAT_FIT: | |
1334 | len = fit_get_size(buffer); | |
1335 | nand_imls_fitimage(nand, nand_dev, off, len); | |
1336 | break; | |
1337 | #endif | |
1338 | } | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | return 0; | |
1343 | } | |
1344 | #endif | |
1345 | ||
1346 | #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND) | |
1347 | static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
1348 | { | |
1349 | int ret_nor = 0, ret_nand = 0; | |
1350 | ||
1351 | #if defined(CONFIG_CMD_IMLS) | |
1352 | ret_nor = do_imls_nor(); | |
1353 | #endif | |
1354 | ||
1355 | #if defined(CONFIG_CMD_IMLS_NAND) | |
1356 | ret_nand = do_imls_nand(); | |
1357 | #endif | |
1358 | ||
1359 | if (ret_nor) | |
1360 | return ret_nor; | |
1361 | ||
1362 | if (ret_nand) | |
1363 | return ret_nand; | |
c76f951a | 1364 | |
27b207fd WD |
1365 | return (0); |
1366 | } | |
c76f951a | 1367 | |
27b207fd WD |
1368 | U_BOOT_CMD( |
1369 | imls, 1, 1, do_imls, | |
2fb2604d | 1370 | "list all images found in flash", |
27b207fd | 1371 | "\n" |
8fdf1e0f VK |
1372 | " - Prints information about all images found at sector/block\n" |
1373 | " boundaries in nor/nand flash." | |
27b207fd | 1374 | ); |
98a9c4d4 | 1375 | #endif |
47d1a6e1 | 1376 | |
1ee1180b | 1377 | /*******************************************************************/ |
5cf746c3 | 1378 | /* helper routines */ |
1ee1180b | 1379 | /*******************************************************************/ |
be2e5a09 | 1380 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) |
a558ad71 DA |
1381 | |
1382 | #define CONSOLE_ARG "console=" | |
1383 | #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1) | |
1384 | ||
3a8653b3 | 1385 | static void fixup_silent_linux(void) |
1ee1180b | 1386 | { |
a558ad71 DA |
1387 | char *buf; |
1388 | const char *env_val; | |
3a8653b3 | 1389 | char *cmdline = getenv("bootargs"); |
8d51aacd | 1390 | int want_silent; |
47d1a6e1 | 1391 | |
8d51aacd SG |
1392 | /* |
1393 | * Only fix cmdline when requested. The environment variable can be: | |
1394 | * | |
1395 | * no - we never fixup | |
1396 | * yes - we always fixup | |
1397 | * unset - we rely on the console silent flag | |
1398 | */ | |
1399 | want_silent = getenv_yesno("silent_linux"); | |
1400 | if (want_silent == 0) | |
1401 | return; | |
1402 | else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT)) | |
1ee1180b | 1403 | return; |
47d1a6e1 | 1404 | |
3a8653b3 | 1405 | debug("before silent fix-up: %s\n", cmdline); |
a558ad71 DA |
1406 | if (cmdline && (cmdline[0] != '\0')) { |
1407 | char *start = strstr(cmdline, CONSOLE_ARG); | |
1408 | ||
1409 | /* Allocate space for maximum possible new command line */ | |
1410 | buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1); | |
1411 | if (!buf) { | |
1412 | debug("%s: out of memory\n", __func__); | |
1413 | return; | |
1414 | } | |
1415 | ||
3a8653b3 | 1416 | if (start) { |
a558ad71 DA |
1417 | char *end = strchr(start, ' '); |
1418 | int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN; | |
1419 | ||
1420 | strncpy(buf, cmdline, num_start_bytes); | |
1ee1180b | 1421 | if (end) |
a558ad71 | 1422 | strcpy(buf + num_start_bytes, end); |
1ee1180b | 1423 | else |
a558ad71 | 1424 | buf[num_start_bytes] = '\0'; |
1ee1180b | 1425 | } else { |
a558ad71 | 1426 | sprintf(buf, "%s %s", cmdline, CONSOLE_ARG); |
47d1a6e1 | 1427 | } |
a558ad71 | 1428 | env_val = buf; |
47d1a6e1 | 1429 | } else { |
a558ad71 DA |
1430 | buf = NULL; |
1431 | env_val = CONSOLE_ARG; | |
e7902122 | 1432 | } |
10aaf716 | 1433 | |
a558ad71 DA |
1434 | setenv("bootargs", env_val); |
1435 | debug("after silent fix-up: %s\n", env_val); | |
1436 | free(buf); | |
1ee1180b MB |
1437 | } |
1438 | #endif /* CONFIG_SILENT_CONSOLE */ | |
38eb508e | 1439 | |
eeaef5e4 SS |
1440 | #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9) |
1441 | static void copy_args(char *dest, int argc, char * const argv[], char delim) | |
1442 | { | |
1443 | int i; | |
1444 | ||
1445 | for (i = 0; i < argc; i++) { | |
1446 | if (i > 0) | |
1447 | *dest++ = delim; | |
1448 | strcpy(dest, argv[i]); | |
1449 | dest += strlen(argv[i]); | |
1450 | } | |
1451 | } | |
1452 | #endif | |
38eb508e | 1453 | |
1ee1180b MB |
1454 | /*******************************************************************/ |
1455 | /* OS booting routines */ | |
1456 | /*******************************************************************/ | |
c76f951a | 1457 | |
b1d0db18 | 1458 | #ifdef CONFIG_BOOTM_NETBSD |
712fbcf3 | 1459 | static int do_bootm_netbsd(int flag, int argc, char * const argv[], |
8a5ea3e6 | 1460 | bootm_headers_t *images) |
d791b1dc | 1461 | { |
1ee1180b | 1462 | void (*loader)(bd_t *, image_header_t *, char *, char *); |
d5934ad7 | 1463 | image_header_t *os_hdr, *hdr; |
f13e7b2e | 1464 | ulong kernel_data, kernel_len; |
1ee1180b MB |
1465 | char *consdev; |
1466 | char *cmdline; | |
1467 | ||
7af26b16 SG |
1468 | if (flag & BOOTM_STATE_OS_PREP) |
1469 | return 0; | |
49c3a861 KG |
1470 | if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) |
1471 | return 1; | |
1472 | ||
d5934ad7 MB |
1473 | #if defined(CONFIG_FIT) |
1474 | if (!images->legacy_hdr_valid) { | |
712fbcf3 | 1475 | fit_unsupported_reset("NetBSD"); |
40d7e99d | 1476 | return 1; |
38eb508e GVB |
1477 | } |
1478 | #endif | |
d5934ad7 | 1479 | hdr = images->legacy_hdr_os; |
47d1a6e1 WD |
1480 | |
1481 | /* | |
1482 | * Booting a (NetBSD) kernel image | |
1483 | * | |
1484 | * This process is pretty similar to a standalone application: | |
1485 | * The (first part of an multi-) image must be a stage-2 loader, | |
1486 | * which in turn is responsible for loading & invoking the actual | |
1487 | * kernel. The only differences are the parameters being passed: | |
1488 | * besides the board info strucure, the loader expects a command | |
1489 | * line, the name of the console device, and (optionally) the | |
1490 | * address of the original image header. | |
1491 | */ | |
d5934ad7 | 1492 | os_hdr = NULL; |
712fbcf3 SW |
1493 | if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { |
1494 | image_multi_getimg(hdr, 1, &kernel_data, &kernel_len); | |
f13e7b2e | 1495 | if (kernel_len) |
d5934ad7 | 1496 | os_hdr = hdr; |
f13e7b2e | 1497 | } |
47d1a6e1 WD |
1498 | |
1499 | consdev = ""; | |
712fbcf3 | 1500 | #if defined(CONFIG_8xx_CONS_SMC1) |
47d1a6e1 | 1501 | consdev = "smc1"; |
712fbcf3 | 1502 | #elif defined(CONFIG_8xx_CONS_SMC2) |
47d1a6e1 | 1503 | consdev = "smc2"; |
712fbcf3 | 1504 | #elif defined(CONFIG_8xx_CONS_SCC2) |
47d1a6e1 | 1505 | consdev = "scc2"; |
712fbcf3 | 1506 | #elif defined(CONFIG_8xx_CONS_SCC3) |
47d1a6e1 WD |
1507 | consdev = "scc3"; |
1508 | #endif | |
1509 | ||
983c72f4 | 1510 | if (argc > 0) { |
47d1a6e1 WD |
1511 | ulong len; |
1512 | int i; | |
1513 | ||
983c72f4 | 1514 | for (i = 0, len = 0; i < argc; i += 1) |
712fbcf3 SW |
1515 | len += strlen(argv[i]) + 1; |
1516 | cmdline = malloc(len); | |
eeaef5e4 | 1517 | copy_args(cmdline, argc, argv, ' '); |
712fbcf3 | 1518 | } else if ((cmdline = getenv("bootargs")) == NULL) { |
47d1a6e1 WD |
1519 | cmdline = ""; |
1520 | } | |
1521 | ||
c160a954 | 1522 | loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep; |
47d1a6e1 | 1523 | |
712fbcf3 SW |
1524 | printf("## Transferring control to NetBSD stage-2 loader " |
1525 | "(at address %08lx) ...\n", | |
47d1a6e1 WD |
1526 | (ulong)loader); |
1527 | ||
770605e4 | 1528 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
47d1a6e1 WD |
1529 | |
1530 | /* | |
1531 | * NetBSD Stage-2 Loader Parameters: | |
1532 | * r3: ptr to board info data | |
1533 | * r4: image address | |
1534 | * r5: console device | |
1535 | * r6: boot args string | |
1536 | */ | |
712fbcf3 | 1537 | (*loader)(gd->bd, os_hdr, consdev, cmdline); |
40d7e99d KG |
1538 | |
1539 | return 1; | |
47d1a6e1 | 1540 | } |
b1d0db18 | 1541 | #endif /* CONFIG_BOOTM_NETBSD*/ |
47d1a6e1 | 1542 | |
1ee1180b | 1543 | #ifdef CONFIG_LYNXKDI |
712fbcf3 | 1544 | static int do_bootm_lynxkdi(int flag, int argc, char * const argv[], |
8a5ea3e6 | 1545 | bootm_headers_t *images) |
1ee1180b | 1546 | { |
cb1c4896 | 1547 | image_header_t *hdr = &images->legacy_hdr_os_copy; |
d5934ad7 | 1548 | |
7af26b16 SG |
1549 | if (flag & BOOTM_STATE_OS_PREP) |
1550 | return 0; | |
49c3a861 KG |
1551 | if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) |
1552 | return 1; | |
1553 | ||
d5934ad7 MB |
1554 | #if defined(CONFIG_FIT) |
1555 | if (!images->legacy_hdr_valid) { | |
712fbcf3 | 1556 | fit_unsupported_reset("Lynx"); |
40d7e99d | 1557 | return 1; |
d5934ad7 MB |
1558 | } |
1559 | #endif | |
1560 | ||
712fbcf3 | 1561 | lynxkdi_boot((image_header_t *)hdr); |
40d7e99d KG |
1562 | |
1563 | return 1; | |
1ee1180b MB |
1564 | } |
1565 | #endif /* CONFIG_LYNXKDI */ | |
1566 | ||
b1d0db18 | 1567 | #ifdef CONFIG_BOOTM_RTEMS |
712fbcf3 | 1568 | static int do_bootm_rtems(int flag, int argc, char * const argv[], |
8a5ea3e6 | 1569 | bootm_headers_t *images) |
1ee1180b | 1570 | { |
1ee1180b | 1571 | void (*entry_point)(bd_t *); |
d791b1dc | 1572 | |
7af26b16 SG |
1573 | if (flag & BOOTM_STATE_OS_PREP) |
1574 | return 0; | |
49c3a861 KG |
1575 | if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) |
1576 | return 1; | |
1577 | ||
d5934ad7 MB |
1578 | #if defined(CONFIG_FIT) |
1579 | if (!images->legacy_hdr_valid) { | |
712fbcf3 | 1580 | fit_unsupported_reset("RTEMS"); |
40d7e99d | 1581 | return 1; |
d5934ad7 MB |
1582 | } |
1583 | #endif | |
1584 | ||
c160a954 | 1585 | entry_point = (void (*)(bd_t *))images->ep; |
d791b1dc | 1586 | |
712fbcf3 | 1587 | printf("## Transferring control to RTEMS (at address %08lx) ...\n", |
d791b1dc WD |
1588 | (ulong)entry_point); |
1589 | ||
770605e4 | 1590 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
d791b1dc WD |
1591 | |
1592 | /* | |
1593 | * RTEMS Parameters: | |
1594 | * r3: ptr to board info data | |
1595 | */ | |
1ee1180b | 1596 | (*entry_point)(gd->bd); |
40d7e99d KG |
1597 | |
1598 | return 1; | |
d791b1dc | 1599 | } |
b1d0db18 | 1600 | #endif /* CONFIG_BOOTM_RTEMS */ |
7f70e853 | 1601 | |
3df61957 | 1602 | #if defined(CONFIG_BOOTM_OSE) |
712fbcf3 | 1603 | static int do_bootm_ose(int flag, int argc, char * const argv[], |
3df61957 TL |
1604 | bootm_headers_t *images) |
1605 | { | |
1606 | void (*entry_point)(void); | |
1607 | ||
7af26b16 SG |
1608 | if (flag & BOOTM_STATE_OS_PREP) |
1609 | return 0; | |
3df61957 TL |
1610 | if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) |
1611 | return 1; | |
1612 | ||
1613 | #if defined(CONFIG_FIT) | |
1614 | if (!images->legacy_hdr_valid) { | |
712fbcf3 | 1615 | fit_unsupported_reset("OSE"); |
3df61957 TL |
1616 | return 1; |
1617 | } | |
1618 | #endif | |
1619 | ||
1620 | entry_point = (void (*)(void))images->ep; | |
1621 | ||
712fbcf3 | 1622 | printf("## Transferring control to OSE (at address %08lx) ...\n", |
3df61957 TL |
1623 | (ulong)entry_point); |
1624 | ||
770605e4 | 1625 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
3df61957 TL |
1626 | |
1627 | /* | |
1628 | * OSE Parameters: | |
1629 | * None | |
1630 | */ | |
1631 | (*entry_point)(); | |
1632 | ||
1633 | return 1; | |
1634 | } | |
1635 | #endif /* CONFIG_BOOTM_OSE */ | |
1636 | ||
04d41409 SS |
1637 | #if defined(CONFIG_BOOTM_PLAN9) |
1638 | static int do_bootm_plan9(int flag, int argc, char * const argv[], | |
1639 | bootm_headers_t *images) | |
1640 | { | |
1641 | void (*entry_point)(void); | |
eeaef5e4 | 1642 | char *s; |
04d41409 | 1643 | |
7af26b16 SG |
1644 | if (flag & BOOTM_STATE_OS_PREP) |
1645 | return 0; | |
04d41409 SS |
1646 | if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) |
1647 | return 1; | |
1648 | ||
1649 | #if defined(CONFIG_FIT) | |
1650 | if (!images->legacy_hdr_valid) { | |
1651 | fit_unsupported_reset("Plan 9"); | |
1652 | return 1; | |
1653 | } | |
1654 | #endif | |
1655 | ||
eeaef5e4 SS |
1656 | /* See README.plan9 */ |
1657 | s = getenv("confaddr"); | |
1658 | if (s != NULL) { | |
1659 | char *confaddr = (char *)simple_strtoul(s, NULL, 16); | |
1660 | ||
1661 | if (argc > 0) { | |
1662 | copy_args(confaddr, argc, argv, '\n'); | |
1663 | } else { | |
1664 | s = getenv("bootargs"); | |
1665 | if (s != NULL) | |
1666 | strcpy(confaddr, s); | |
1667 | } | |
1668 | } | |
1669 | ||
04d41409 SS |
1670 | entry_point = (void (*)(void))images->ep; |
1671 | ||
1672 | printf("## Transferring control to Plan 9 (at address %08lx) ...\n", | |
1673 | (ulong)entry_point); | |
1674 | ||
1675 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); | |
1676 | ||
1677 | /* | |
1678 | * Plan 9 Parameters: | |
1679 | * None | |
1680 | */ | |
1681 | (*entry_point)(); | |
1682 | ||
1683 | return 1; | |
1684 | } | |
1685 | #endif /* CONFIG_BOOTM_PLAN9 */ | |
1686 | ||
baa26db4 | 1687 | #if defined(CONFIG_CMD_ELF) |
712fbcf3 | 1688 | static int do_bootm_vxworks(int flag, int argc, char * const argv[], |
8a5ea3e6 | 1689 | bootm_headers_t *images) |
47d1a6e1 | 1690 | { |
47d1a6e1 | 1691 | char str[80]; |
7f70e853 | 1692 | |
7af26b16 SG |
1693 | if (flag & BOOTM_STATE_OS_PREP) |
1694 | return 0; | |
49c3a861 KG |
1695 | if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) |
1696 | return 1; | |
1697 | ||
d5934ad7 | 1698 | #if defined(CONFIG_FIT) |
cb1c4896 | 1699 | if (!images->legacy_hdr_valid) { |
712fbcf3 | 1700 | fit_unsupported_reset("VxWorks"); |
40d7e99d | 1701 | return 1; |
d5934ad7 MB |
1702 | } |
1703 | #endif | |
47d1a6e1 | 1704 | |
c160a954 | 1705 | sprintf(str, "%lx", images->ep); /* write entry-point into string */ |
47d1a6e1 | 1706 | setenv("loadaddr", str); |
40d7e99d KG |
1707 | do_bootvx(NULL, 0, 0, NULL); |
1708 | ||
1709 | return 1; | |
47d1a6e1 WD |
1710 | } |
1711 | ||
54841ab5 | 1712 | static int do_bootm_qnxelf(int flag, int argc, char * const argv[], |
8a5ea3e6 | 1713 | bootm_headers_t *images) |
47d1a6e1 | 1714 | { |
47d1a6e1 WD |
1715 | char *local_args[2]; |
1716 | char str[16]; | |
d5934ad7 | 1717 | |
7af26b16 SG |
1718 | if (flag & BOOTM_STATE_OS_PREP) |
1719 | return 0; | |
49c3a861 KG |
1720 | if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) |
1721 | return 1; | |
1722 | ||
d5934ad7 MB |
1723 | #if defined(CONFIG_FIT) |
1724 | if (!images->legacy_hdr_valid) { | |
712fbcf3 | 1725 | fit_unsupported_reset("QNX"); |
40d7e99d | 1726 | return 1; |
d5934ad7 MB |
1727 | } |
1728 | #endif | |
47d1a6e1 | 1729 | |
c160a954 | 1730 | sprintf(str, "%lx", images->ep); /* write entry-point into string */ |
47d1a6e1 WD |
1731 | local_args[0] = argv[0]; |
1732 | local_args[1] = str; /* and provide it via the arguments */ | |
40d7e99d KG |
1733 | do_bootelf(NULL, 0, 2, local_args); |
1734 | ||
1735 | return 1; | |
47d1a6e1 | 1736 | } |
90253178 | 1737 | #endif |
f5ed9e39 PT |
1738 | |
1739 | #ifdef CONFIG_INTEGRITY | |
712fbcf3 | 1740 | static int do_bootm_integrity(int flag, int argc, char * const argv[], |
f5ed9e39 PT |
1741 | bootm_headers_t *images) |
1742 | { | |
1743 | void (*entry_point)(void); | |
1744 | ||
7af26b16 SG |
1745 | if (flag & BOOTM_STATE_OS_PREP) |
1746 | return 0; | |
49c3a861 KG |
1747 | if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) |
1748 | return 1; | |
1749 | ||
f5ed9e39 PT |
1750 | #if defined(CONFIG_FIT) |
1751 | if (!images->legacy_hdr_valid) { | |
712fbcf3 | 1752 | fit_unsupported_reset("INTEGRITY"); |
f5ed9e39 PT |
1753 | return 1; |
1754 | } | |
1755 | #endif | |
1756 | ||
1757 | entry_point = (void (*)(void))images->ep; | |
1758 | ||
712fbcf3 | 1759 | printf("## Transferring control to INTEGRITY (at address %08lx) ...\n", |
f5ed9e39 PT |
1760 | (ulong)entry_point); |
1761 | ||
770605e4 | 1762 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
f5ed9e39 PT |
1763 | |
1764 | /* | |
1765 | * INTEGRITY Parameters: | |
1766 | * None | |
1767 | */ | |
1768 | (*entry_point)(); | |
1769 | ||
1770 | return 1; | |
1771 | } | |
1772 | #endif | |
44f074c7 MV |
1773 | |
1774 | #ifdef CONFIG_CMD_BOOTZ | |
1775 | ||
a5266d6b | 1776 | int __weak bootz_setup(ulong image, ulong *start, ulong *end) |
44f074c7 MV |
1777 | { |
1778 | /* Please define bootz_setup() for your platform */ | |
1779 | ||
1780 | puts("Your platform's zImage format isn't supported yet!\n"); | |
1781 | return -1; | |
1782 | } | |
44f074c7 MV |
1783 | |
1784 | /* | |
1785 | * zImage booting support | |
1786 | */ | |
1787 | static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc, | |
1788 | char * const argv[], bootm_headers_t *images) | |
1789 | { | |
1790 | int ret; | |
a5266d6b | 1791 | ulong zi_start, zi_end; |
44f074c7 | 1792 | |
35fc84fa SG |
1793 | ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START, |
1794 | images, 1); | |
44f074c7 MV |
1795 | |
1796 | /* Setup Linux kernel zImage entry point */ | |
2b9599e0 | 1797 | if (!argc) { |
44f074c7 MV |
1798 | images->ep = load_addr; |
1799 | debug("* kernel: default image load address = 0x%08lx\n", | |
1800 | load_addr); | |
1801 | } else { | |
2b9599e0 | 1802 | images->ep = simple_strtoul(argv[0], NULL, 16); |
44f074c7 MV |
1803 | debug("* kernel: cmdline image address = 0x%08lx\n", |
1804 | images->ep); | |
1805 | } | |
1806 | ||
a5266d6b | 1807 | ret = bootz_setup(images->ep, &zi_start, &zi_end); |
44f074c7 MV |
1808 | if (ret != 0) |
1809 | return 1; | |
1810 | ||
1811 | lmb_reserve(&images->lmb, images->ep, zi_end - zi_start); | |
1812 | ||
225fd8c5 TR |
1813 | /* |
1814 | * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not | |
1815 | * have a header that provide this informaiton. | |
1816 | */ | |
2b9599e0 TR |
1817 | if (bootm_find_ramdisk(flag, argc, argv)) |
1818 | return 1; | |
44f074c7 | 1819 | |
2b9599e0 TR |
1820 | #if defined(CONFIG_OF_LIBFDT) |
1821 | if (bootm_find_fdt(flag, argc, argv)) | |
1822 | return 1; | |
1823 | #endif | |
1824 | ||
1825 | return 0; | |
44f074c7 MV |
1826 | } |
1827 | ||
da620222 | 1828 | int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
44f074c7 | 1829 | { |
35fc84fa | 1830 | int ret; |
44f074c7 | 1831 | |
2b9599e0 TR |
1832 | /* Consume 'bootz' */ |
1833 | argc--; argv++; | |
1834 | ||
44f074c7 MV |
1835 | if (bootz_start(cmdtp, flag, argc, argv, &images)) |
1836 | return 1; | |
1837 | ||
385501d3 SG |
1838 | /* |
1839 | * We are doing the BOOTM_STATE_LOADOS state ourselves, so must | |
1840 | * disable interrupts ourselves | |
1841 | */ | |
1842 | bootm_disable_interrupts(); | |
1843 | ||
fb1b139b | 1844 | images.os.os = IH_OS_LINUX; |
35fc84fa | 1845 | ret = do_bootm_states(cmdtp, flag, argc, argv, |
fb1b139b SG |
1846 | BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO | |
1847 | BOOTM_STATE_OS_GO, | |
d0ae31eb | 1848 | &images, 1); |
f8be7d65 | 1849 | |
35fc84fa | 1850 | return ret; |
44f074c7 MV |
1851 | } |
1852 | ||
088f1b19 KP |
1853 | #ifdef CONFIG_SYS_LONGHELP |
1854 | static char bootz_help_text[] = | |
017e1f3f MV |
1855 | "[addr [initrd[:size]] [fdt]]\n" |
1856 | " - boot Linux zImage stored in memory\n" | |
44f074c7 | 1857 | "\tThe argument 'initrd' is optional and specifies the address\n" |
017e1f3f MV |
1858 | "\tof the initrd in memory. The optional argument ':size' allows\n" |
1859 | "\tspecifying the size of RAW initrd.\n" | |
44f074c7 MV |
1860 | #if defined(CONFIG_OF_LIBFDT) |
1861 | "\tWhen booting a Linux kernel which requires a flat device-tree\n" | |
1862 | "\ta third argument is required which is the address of the\n" | |
1863 | "\tdevice-tree blob. To boot that kernel without an initrd image,\n" | |
1864 | "\tuse a '-' for the second argument. If you do not pass a third\n" | |
1865 | "\ta bd_info struct will be passed instead\n" | |
1866 | #endif | |
088f1b19 KP |
1867 | ""; |
1868 | #endif | |
1869 | ||
1870 | U_BOOT_CMD( | |
1871 | bootz, CONFIG_SYS_MAXARGS, 1, do_bootz, | |
1872 | "boot Linux zImage image from memory", bootz_help_text | |
44f074c7 MV |
1873 | ); |
1874 | #endif /* CONFIG_CMD_BOOTZ */ |