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1 | // SPDX-License-Identifier: GPL-2.0+ | |
2 | /* | |
3 | * Copyright (c) 2013, Google Inc. | |
4 | * | |
5 | * (C) Copyright 2008 Semihalf | |
6 | * | |
7 | * (C) Copyright 2000-2006 | |
8 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
9 | */ | |
10 | ||
11 | #include <common.h> | |
12 | #include <fdt_support.h> | |
13 | #include <fdtdec.h> | |
14 | #include <errno.h> | |
15 | #include <image.h> | |
16 | #include <linux/libfdt.h> | |
17 | #include <mapmem.h> | |
18 | #include <asm/io.h> | |
19 | ||
20 | #ifndef CONFIG_SYS_FDT_PAD | |
21 | #define CONFIG_SYS_FDT_PAD 0x3000 | |
22 | #endif | |
23 | ||
24 | /* adding a ramdisk needs 0x44 bytes in version 2008.10 */ | |
25 | #define FDT_RAMDISK_OVERHEAD 0x80 | |
26 | ||
27 | DECLARE_GLOBAL_DATA_PTR; | |
28 | ||
29 | static void fdt_error(const char *msg) | |
30 | { | |
31 | puts("ERROR: "); | |
32 | puts(msg); | |
33 | puts(" - must RESET the board to recover.\n"); | |
34 | } | |
35 | ||
36 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
37 | static const image_header_t *image_get_fdt(ulong fdt_addr) | |
38 | { | |
39 | const image_header_t *fdt_hdr = map_sysmem(fdt_addr, 0); | |
40 | ||
41 | image_print_contents(fdt_hdr); | |
42 | ||
43 | puts(" Verifying Checksum ... "); | |
44 | if (!image_check_hcrc(fdt_hdr)) { | |
45 | fdt_error("fdt header checksum invalid"); | |
46 | return NULL; | |
47 | } | |
48 | ||
49 | if (!image_check_dcrc(fdt_hdr)) { | |
50 | fdt_error("fdt checksum invalid"); | |
51 | return NULL; | |
52 | } | |
53 | puts("OK\n"); | |
54 | ||
55 | if (!image_check_type(fdt_hdr, IH_TYPE_FLATDT)) { | |
56 | fdt_error("uImage is not a fdt"); | |
57 | return NULL; | |
58 | } | |
59 | if (image_get_comp(fdt_hdr) != IH_COMP_NONE) { | |
60 | fdt_error("uImage is compressed"); | |
61 | return NULL; | |
62 | } | |
63 | if (fdt_check_header((void *)image_get_data(fdt_hdr)) != 0) { | |
64 | fdt_error("uImage data is not a fdt"); | |
65 | return NULL; | |
66 | } | |
67 | return fdt_hdr; | |
68 | } | |
69 | #endif | |
70 | ||
71 | static void boot_fdt_reserve_region(struct lmb *lmb, uint64_t addr, | |
72 | uint64_t size) | |
73 | { | |
74 | int ret; | |
75 | ||
76 | ret = lmb_reserve(lmb, addr, size); | |
77 | if (!ret) { | |
78 | debug(" reserving fdt memory region: addr=%llx size=%llx\n", | |
79 | (unsigned long long)addr, (unsigned long long)size); | |
80 | } else { | |
81 | puts("ERROR: reserving fdt memory region failed "); | |
82 | printf("(addr=%llx size=%llx)\n", | |
83 | (unsigned long long)addr, (unsigned long long)size); | |
84 | } | |
85 | } | |
86 | ||
87 | /** | |
88 | * boot_fdt_add_mem_rsv_regions - Mark the memreserve and reserved-memory | |
89 | * sections as unusable | |
90 | * @lmb: pointer to lmb handle, will be used for memory mgmt | |
91 | * @fdt_blob: pointer to fdt blob base address | |
92 | * | |
93 | * Adds the and reserved-memorymemreserve regions in the dtb to the lmb block. | |
94 | * Adding the memreserve regions prevents u-boot from using them to store the | |
95 | * initrd or the fdt blob. | |
96 | */ | |
97 | void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob) | |
98 | { | |
99 | uint64_t addr, size; | |
100 | int i, total, ret; | |
101 | int nodeoffset, subnode; | |
102 | struct fdt_resource res; | |
103 | ||
104 | if (fdt_check_header(fdt_blob) != 0) | |
105 | return; | |
106 | ||
107 | /* process memreserve sections */ | |
108 | total = fdt_num_mem_rsv(fdt_blob); | |
109 | for (i = 0; i < total; i++) { | |
110 | if (fdt_get_mem_rsv(fdt_blob, i, &addr, &size) != 0) | |
111 | continue; | |
112 | boot_fdt_reserve_region(lmb, addr, size); | |
113 | } | |
114 | ||
115 | /* process reserved-memory */ | |
116 | nodeoffset = fdt_subnode_offset(fdt_blob, 0, "reserved-memory"); | |
117 | if (nodeoffset >= 0) { | |
118 | subnode = fdt_first_subnode(fdt_blob, nodeoffset); | |
119 | while (subnode >= 0) { | |
120 | /* check if this subnode has a reg property */ | |
121 | ret = fdt_get_resource(fdt_blob, subnode, "reg", 0, | |
122 | &res); | |
123 | if (!ret) { | |
124 | addr = res.start; | |
125 | size = res.end - res.start + 1; | |
126 | boot_fdt_reserve_region(lmb, addr, size); | |
127 | } | |
128 | ||
129 | subnode = fdt_next_subnode(fdt_blob, subnode); | |
130 | } | |
131 | } | |
132 | } | |
133 | ||
134 | /** | |
135 | * boot_relocate_fdt - relocate flat device tree | |
136 | * @lmb: pointer to lmb handle, will be used for memory mgmt | |
137 | * @of_flat_tree: pointer to a char* variable, will hold fdt start address | |
138 | * @of_size: pointer to a ulong variable, will hold fdt length | |
139 | * | |
140 | * boot_relocate_fdt() allocates a region of memory within the bootmap and | |
141 | * relocates the of_flat_tree into that region, even if the fdt is already in | |
142 | * the bootmap. It also expands the size of the fdt by CONFIG_SYS_FDT_PAD | |
143 | * bytes. | |
144 | * | |
145 | * of_flat_tree and of_size are set to final (after relocation) values | |
146 | * | |
147 | * returns: | |
148 | * 0 - success | |
149 | * 1 - failure | |
150 | */ | |
151 | int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size) | |
152 | { | |
153 | void *fdt_blob = *of_flat_tree; | |
154 | void *of_start = NULL; | |
155 | char *fdt_high; | |
156 | ulong of_len = 0; | |
157 | int err; | |
158 | int disable_relocation = 0; | |
159 | ||
160 | /* nothing to do */ | |
161 | if (*of_size == 0) | |
162 | return 0; | |
163 | ||
164 | if (fdt_check_header(fdt_blob) != 0) { | |
165 | fdt_error("image is not a fdt"); | |
166 | goto error; | |
167 | } | |
168 | ||
169 | /* position on a 4K boundary before the alloc_current */ | |
170 | /* Pad the FDT by a specified amount */ | |
171 | of_len = *of_size + CONFIG_SYS_FDT_PAD; | |
172 | ||
173 | /* If fdt_high is set use it to select the relocation address */ | |
174 | fdt_high = env_get("fdt_high"); | |
175 | if (fdt_high) { | |
176 | void *desired_addr = (void *)simple_strtoul(fdt_high, NULL, 16); | |
177 | ||
178 | if (((ulong) desired_addr) == ~0UL) { | |
179 | /* All ones means use fdt in place */ | |
180 | of_start = fdt_blob; | |
181 | lmb_reserve(lmb, (ulong)of_start, of_len); | |
182 | disable_relocation = 1; | |
183 | } else if (desired_addr) { | |
184 | of_start = | |
185 | (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000, | |
186 | (ulong)desired_addr); | |
187 | if (of_start == NULL) { | |
188 | puts("Failed using fdt_high value for Device Tree"); | |
189 | goto error; | |
190 | } | |
191 | } else { | |
192 | of_start = | |
193 | (void *)(ulong) lmb_alloc(lmb, of_len, 0x1000); | |
194 | } | |
195 | } else { | |
196 | of_start = | |
197 | (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000, | |
198 | env_get_bootm_mapsize() | |
199 | + env_get_bootm_low()); | |
200 | } | |
201 | ||
202 | if (of_start == NULL) { | |
203 | puts("device tree - allocation error\n"); | |
204 | goto error; | |
205 | } | |
206 | ||
207 | if (disable_relocation) { | |
208 | /* | |
209 | * We assume there is space after the existing fdt to use | |
210 | * for padding | |
211 | */ | |
212 | fdt_set_totalsize(of_start, of_len); | |
213 | printf(" Using Device Tree in place at %p, end %p\n", | |
214 | of_start, of_start + of_len - 1); | |
215 | } else { | |
216 | debug("## device tree at %p ... %p (len=%ld [0x%lX])\n", | |
217 | fdt_blob, fdt_blob + *of_size - 1, of_len, of_len); | |
218 | ||
219 | printf(" Loading Device Tree to %p, end %p ... ", | |
220 | of_start, of_start + of_len - 1); | |
221 | ||
222 | err = fdt_open_into(fdt_blob, of_start, of_len); | |
223 | if (err != 0) { | |
224 | fdt_error("fdt move failed"); | |
225 | goto error; | |
226 | } | |
227 | puts("OK\n"); | |
228 | } | |
229 | ||
230 | *of_flat_tree = of_start; | |
231 | *of_size = of_len; | |
232 | ||
233 | if (CONFIG_IS_ENABLED(CMD_FDT)) | |
234 | set_working_fdt_addr(map_to_sysmem(*of_flat_tree)); | |
235 | return 0; | |
236 | ||
237 | error: | |
238 | return 1; | |
239 | } | |
240 | ||
241 | /** | |
242 | * boot_get_fdt - main fdt handling routine | |
243 | * @argc: command argument count | |
244 | * @argv: command argument list | |
245 | * @arch: architecture (IH_ARCH_...) | |
246 | * @images: pointer to the bootm images structure | |
247 | * @of_flat_tree: pointer to a char* variable, will hold fdt start address | |
248 | * @of_size: pointer to a ulong variable, will hold fdt length | |
249 | * | |
250 | * boot_get_fdt() is responsible for finding a valid flat device tree image. | |
251 | * Curently supported are the following ramdisk sources: | |
252 | * - multicomponent kernel/ramdisk image, | |
253 | * - commandline provided address of decicated ramdisk image. | |
254 | * | |
255 | * returns: | |
256 | * 0, if fdt image was found and valid, or skipped | |
257 | * of_flat_tree and of_size are set to fdt start address and length if | |
258 | * fdt image is found and valid | |
259 | * | |
260 | * 1, if fdt image is found but corrupted | |
261 | * of_flat_tree and of_size are set to 0 if no fdt exists | |
262 | */ | |
263 | int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch, | |
264 | bootm_headers_t *images, char **of_flat_tree, ulong *of_size) | |
265 | { | |
266 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
267 | const image_header_t *fdt_hdr; | |
268 | ulong load, load_end; | |
269 | ulong image_start, image_data, image_end; | |
270 | #endif | |
271 | ulong img_addr; | |
272 | ulong fdt_addr; | |
273 | char *fdt_blob = NULL; | |
274 | void *buf; | |
275 | #if CONFIG_IS_ENABLED(FIT) | |
276 | const char *fit_uname_config = images->fit_uname_cfg; | |
277 | const char *fit_uname_fdt = NULL; | |
278 | ulong default_addr; | |
279 | int fdt_noffset; | |
280 | #endif | |
281 | const char *select = NULL; | |
282 | int ok_no_fdt = 0; | |
283 | ||
284 | *of_flat_tree = NULL; | |
285 | *of_size = 0; | |
286 | ||
287 | img_addr = simple_strtoul(argv[0], NULL, 16); | |
288 | buf = map_sysmem(img_addr, 0); | |
289 | ||
290 | if (argc > 2) | |
291 | select = argv[2]; | |
292 | if (select || genimg_has_config(images)) { | |
293 | #if CONFIG_IS_ENABLED(FIT) | |
294 | if (select) { | |
295 | /* | |
296 | * If the FDT blob comes from the FIT image and the | |
297 | * FIT image address is omitted in the command line | |
298 | * argument, try to use ramdisk or os FIT image | |
299 | * address or default load address. | |
300 | */ | |
301 | if (images->fit_uname_rd) | |
302 | default_addr = (ulong)images->fit_hdr_rd; | |
303 | else if (images->fit_uname_os) | |
304 | default_addr = (ulong)images->fit_hdr_os; | |
305 | else | |
306 | default_addr = load_addr; | |
307 | ||
308 | if (fit_parse_conf(select, default_addr, | |
309 | &fdt_addr, &fit_uname_config)) { | |
310 | debug("* fdt: config '%s' from image at 0x%08lx\n", | |
311 | fit_uname_config, fdt_addr); | |
312 | } else if (fit_parse_subimage(select, default_addr, | |
313 | &fdt_addr, &fit_uname_fdt)) { | |
314 | debug("* fdt: subimage '%s' from image at 0x%08lx\n", | |
315 | fit_uname_fdt, fdt_addr); | |
316 | } else | |
317 | #endif | |
318 | { | |
319 | fdt_addr = simple_strtoul(select, NULL, 16); | |
320 | debug("* fdt: cmdline image address = 0x%08lx\n", | |
321 | fdt_addr); | |
322 | } | |
323 | #if CONFIG_IS_ENABLED(FIT) | |
324 | } else { | |
325 | /* use FIT configuration provided in first bootm | |
326 | * command argument | |
327 | */ | |
328 | fdt_addr = map_to_sysmem(images->fit_hdr_os); | |
329 | fdt_noffset = fit_get_node_from_config(images, | |
330 | FIT_FDT_PROP, | |
331 | fdt_addr); | |
332 | if (fdt_noffset == -ENOENT) | |
333 | return 0; | |
334 | else if (fdt_noffset < 0) | |
335 | return 1; | |
336 | } | |
337 | #endif | |
338 | debug("## Checking for 'FDT'/'FDT Image' at %08lx\n", | |
339 | fdt_addr); | |
340 | ||
341 | /* | |
342 | * Check if there is an FDT image at the | |
343 | * address provided in the second bootm argument | |
344 | * check image type, for FIT images get a FIT node. | |
345 | */ | |
346 | buf = map_sysmem(fdt_addr, 0); | |
347 | switch (genimg_get_format(buf)) { | |
348 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
349 | case IMAGE_FORMAT_LEGACY: | |
350 | /* verify fdt_addr points to a valid image header */ | |
351 | printf("## Flattened Device Tree from Legacy Image at %08lx\n", | |
352 | fdt_addr); | |
353 | fdt_hdr = image_get_fdt(fdt_addr); | |
354 | if (!fdt_hdr) | |
355 | goto no_fdt; | |
356 | ||
357 | /* | |
358 | * move image data to the load address, | |
359 | * make sure we don't overwrite initial image | |
360 | */ | |
361 | image_start = (ulong)fdt_hdr; | |
362 | image_data = (ulong)image_get_data(fdt_hdr); | |
363 | image_end = image_get_image_end(fdt_hdr); | |
364 | ||
365 | load = image_get_load(fdt_hdr); | |
366 | load_end = load + image_get_data_size(fdt_hdr); | |
367 | ||
368 | if (load == image_start || | |
369 | load == image_data) { | |
370 | fdt_addr = load; | |
371 | break; | |
372 | } | |
373 | ||
374 | if ((load < image_end) && (load_end > image_start)) { | |
375 | fdt_error("fdt overwritten"); | |
376 | goto error; | |
377 | } | |
378 | ||
379 | debug(" Loading FDT from 0x%08lx to 0x%08lx\n", | |
380 | image_data, load); | |
381 | ||
382 | memmove((void *)load, | |
383 | (void *)image_data, | |
384 | image_get_data_size(fdt_hdr)); | |
385 | ||
386 | fdt_addr = load; | |
387 | break; | |
388 | #endif | |
389 | case IMAGE_FORMAT_FIT: | |
390 | /* | |
391 | * This case will catch both: new uImage format | |
392 | * (libfdt based) and raw FDT blob (also libfdt | |
393 | * based). | |
394 | */ | |
395 | #if CONFIG_IS_ENABLED(FIT) | |
396 | /* check FDT blob vs FIT blob */ | |
397 | if (fit_check_format(buf)) { | |
398 | ulong load, len; | |
399 | ||
400 | fdt_noffset = boot_get_fdt_fit(images, | |
401 | fdt_addr, &fit_uname_fdt, | |
402 | &fit_uname_config, | |
403 | arch, &load, &len); | |
404 | ||
405 | images->fit_hdr_fdt = map_sysmem(fdt_addr, 0); | |
406 | images->fit_uname_fdt = fit_uname_fdt; | |
407 | images->fit_noffset_fdt = fdt_noffset; | |
408 | fdt_addr = load; | |
409 | ||
410 | break; | |
411 | } else | |
412 | #endif | |
413 | { | |
414 | /* | |
415 | * FDT blob | |
416 | */ | |
417 | debug("* fdt: raw FDT blob\n"); | |
418 | printf("## Flattened Device Tree blob at %08lx\n", | |
419 | (long)fdt_addr); | |
420 | } | |
421 | break; | |
422 | default: | |
423 | puts("ERROR: Did not find a cmdline Flattened Device Tree\n"); | |
424 | goto no_fdt; | |
425 | } | |
426 | ||
427 | printf(" Booting using the fdt blob at %#08lx\n", fdt_addr); | |
428 | fdt_blob = map_sysmem(fdt_addr, 0); | |
429 | } else if (images->legacy_hdr_valid && | |
430 | image_check_type(&images->legacy_hdr_os_copy, | |
431 | IH_TYPE_MULTI)) { | |
432 | ulong fdt_data, fdt_len; | |
433 | ||
434 | /* | |
435 | * Now check if we have a legacy multi-component image, | |
436 | * get second entry data start address and len. | |
437 | */ | |
438 | printf("## Flattened Device Tree from multi component Image at %08lX\n", | |
439 | (ulong)images->legacy_hdr_os); | |
440 | ||
441 | image_multi_getimg(images->legacy_hdr_os, 2, &fdt_data, | |
442 | &fdt_len); | |
443 | if (fdt_len) { | |
444 | fdt_blob = (char *)fdt_data; | |
445 | printf(" Booting using the fdt at 0x%p\n", fdt_blob); | |
446 | ||
447 | if (fdt_check_header(fdt_blob) != 0) { | |
448 | fdt_error("image is not a fdt"); | |
449 | goto error; | |
450 | } | |
451 | ||
452 | if (fdt_totalsize(fdt_blob) != fdt_len) { | |
453 | fdt_error("fdt size != image size"); | |
454 | goto error; | |
455 | } | |
456 | } else { | |
457 | debug("## No Flattened Device Tree\n"); | |
458 | goto no_fdt; | |
459 | } | |
460 | #ifdef CONFIG_ANDROID_BOOT_IMAGE | |
461 | } else if (genimg_get_format(buf) == IMAGE_FORMAT_ANDROID) { | |
462 | struct andr_img_hdr *hdr = buf; | |
463 | ulong fdt_data, fdt_len; | |
464 | ||
465 | if (android_image_get_second(hdr, &fdt_data, &fdt_len) != 0) | |
466 | goto no_fdt; | |
467 | ||
468 | fdt_blob = (char *)fdt_data; | |
469 | if (fdt_check_header(fdt_blob) != 0) | |
470 | goto no_fdt; | |
471 | ||
472 | if (fdt_totalsize(fdt_blob) != fdt_len) | |
473 | goto error; | |
474 | ||
475 | debug("## Using FDT found in Android image second area\n"); | |
476 | #endif | |
477 | } else { | |
478 | debug("## No Flattened Device Tree\n"); | |
479 | goto no_fdt; | |
480 | } | |
481 | ||
482 | *of_flat_tree = fdt_blob; | |
483 | *of_size = fdt_totalsize(fdt_blob); | |
484 | debug(" of_flat_tree at 0x%08lx size 0x%08lx\n", | |
485 | (ulong)*of_flat_tree, *of_size); | |
486 | ||
487 | return 0; | |
488 | ||
489 | no_fdt: | |
490 | ok_no_fdt = 1; | |
491 | error: | |
492 | *of_flat_tree = NULL; | |
493 | *of_size = 0; | |
494 | if (!select && ok_no_fdt) { | |
495 | debug("Continuing to boot without FDT\n"); | |
496 | return 0; | |
497 | } | |
498 | return 1; | |
499 | } | |
500 | ||
501 | /* | |
502 | * Verify the device tree. | |
503 | * | |
504 | * This function is called after all device tree fix-ups have been enacted, | |
505 | * so that the final device tree can be verified. The definition of "verified" | |
506 | * is up to the specific implementation. However, it generally means that the | |
507 | * addresses of some of the devices in the device tree are compared with the | |
508 | * actual addresses at which U-Boot has placed them. | |
509 | * | |
510 | * Returns 1 on success, 0 on failure. If 0 is returned, U-Boot will halt the | |
511 | * boot process. | |
512 | */ | |
513 | __weak int ft_verify_fdt(void *fdt) | |
514 | { | |
515 | return 1; | |
516 | } | |
517 | ||
518 | __weak int arch_fixup_fdt(void *blob) | |
519 | { | |
520 | return 0; | |
521 | } | |
522 | ||
523 | int image_setup_libfdt(bootm_headers_t *images, void *blob, | |
524 | int of_size, struct lmb *lmb) | |
525 | { | |
526 | ulong *initrd_start = &images->initrd_start; | |
527 | ulong *initrd_end = &images->initrd_end; | |
528 | int ret = -EPERM; | |
529 | int fdt_ret; | |
530 | ||
531 | if (fdt_root(blob) < 0) { | |
532 | printf("ERROR: root node setup failed\n"); | |
533 | goto err; | |
534 | } | |
535 | if (fdt_chosen(blob) < 0) { | |
536 | printf("ERROR: /chosen node create failed\n"); | |
537 | goto err; | |
538 | } | |
539 | if (arch_fixup_fdt(blob) < 0) { | |
540 | printf("ERROR: arch-specific fdt fixup failed\n"); | |
541 | goto err; | |
542 | } | |
543 | /* Update ethernet nodes */ | |
544 | fdt_fixup_ethernet(blob); | |
545 | if (IMAGE_OF_BOARD_SETUP) { | |
546 | fdt_ret = ft_board_setup(blob, gd->bd); | |
547 | if (fdt_ret) { | |
548 | printf("ERROR: board-specific fdt fixup failed: %s\n", | |
549 | fdt_strerror(fdt_ret)); | |
550 | goto err; | |
551 | } | |
552 | } | |
553 | if (IMAGE_OF_SYSTEM_SETUP) { | |
554 | fdt_ret = ft_system_setup(blob, gd->bd); | |
555 | if (fdt_ret) { | |
556 | printf("ERROR: system-specific fdt fixup failed: %s\n", | |
557 | fdt_strerror(fdt_ret)); | |
558 | goto err; | |
559 | } | |
560 | } | |
561 | ||
562 | /* Delete the old LMB reservation */ | |
563 | if (lmb) | |
564 | lmb_free(lmb, (phys_addr_t)(u32)(uintptr_t)blob, | |
565 | (phys_size_t)fdt_totalsize(blob)); | |
566 | ||
567 | ret = fdt_shrink_to_minimum(blob, 0); | |
568 | if (ret < 0) | |
569 | goto err; | |
570 | of_size = ret; | |
571 | ||
572 | if (*initrd_start && *initrd_end) { | |
573 | of_size += FDT_RAMDISK_OVERHEAD; | |
574 | fdt_set_totalsize(blob, of_size); | |
575 | } | |
576 | /* Create a new LMB reservation */ | |
577 | if (lmb) | |
578 | lmb_reserve(lmb, (ulong)blob, of_size); | |
579 | ||
580 | fdt_initrd(blob, *initrd_start, *initrd_end); | |
581 | if (!ft_verify_fdt(blob)) | |
582 | goto err; | |
583 | ||
584 | #if defined(CONFIG_SOC_KEYSTONE) | |
585 | if (IMAGE_OF_BOARD_SETUP) | |
586 | ft_board_setup_ex(blob, gd->bd); | |
587 | #endif | |
588 | ||
589 | return 0; | |
590 | err: | |
591 | printf(" - must RESET the board to recover.\n\n"); | |
592 | ||
593 | return ret; | |
594 | } |