event: Add an event for device tree fixups
[platform/kernel/u-boot.git] / boot / image-fdt.c
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 <env.h>
15 #include <errno.h>
16 #include <image.h>
17 #include <lmb.h>
18 #include <log.h>
19 #include <malloc.h>
20 #include <asm/global_data.h>
21 #include <linux/libfdt.h>
22 #include <mapmem.h>
23 #include <asm/io.h>
24 #include <dm/ofnode.h>
25 #include <tee/optee.h>
26
27 #ifndef CONFIG_SYS_FDT_PAD
28 #define CONFIG_SYS_FDT_PAD 0x3000
29 #endif
30
31 /* adding a ramdisk needs 0x44 bytes in version 2008.10 */
32 #define FDT_RAMDISK_OVERHEAD    0x80
33
34 DECLARE_GLOBAL_DATA_PTR;
35
36 static void fdt_error(const char *msg)
37 {
38         puts("ERROR: ");
39         puts(msg);
40         puts(" - must RESET the board to recover.\n");
41 }
42
43 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
44 static const image_header_t *image_get_fdt(ulong fdt_addr)
45 {
46         const image_header_t *fdt_hdr = map_sysmem(fdt_addr, 0);
47
48         image_print_contents(fdt_hdr);
49
50         puts("   Verifying Checksum ... ");
51         if (!image_check_hcrc(fdt_hdr)) {
52                 fdt_error("fdt header checksum invalid");
53                 return NULL;
54         }
55
56         if (!image_check_dcrc(fdt_hdr)) {
57                 fdt_error("fdt checksum invalid");
58                 return NULL;
59         }
60         puts("OK\n");
61
62         if (!image_check_type(fdt_hdr, IH_TYPE_FLATDT)) {
63                 fdt_error("uImage is not a fdt");
64                 return NULL;
65         }
66         if (image_get_comp(fdt_hdr) != IH_COMP_NONE) {
67                 fdt_error("uImage is compressed");
68                 return NULL;
69         }
70         if (fdt_check_header((void *)image_get_data(fdt_hdr)) != 0) {
71                 fdt_error("uImage data is not a fdt");
72                 return NULL;
73         }
74         return fdt_hdr;
75 }
76 #endif
77
78 static void boot_fdt_reserve_region(struct lmb *lmb, uint64_t addr,
79                                     uint64_t size, enum lmb_flags flags)
80 {
81         long ret;
82
83         ret = lmb_reserve_flags(lmb, addr, size, flags);
84         if (ret >= 0) {
85                 debug("   reserving fdt memory region: addr=%llx size=%llx flags=%x\n",
86                       (unsigned long long)addr,
87                       (unsigned long long)size, flags);
88         } else {
89                 puts("ERROR: reserving fdt memory region failed ");
90                 printf("(addr=%llx size=%llx flags=%x)\n",
91                        (unsigned long long)addr,
92                        (unsigned long long)size, flags);
93         }
94 }
95
96 /**
97  * boot_fdt_add_mem_rsv_regions - Mark the memreserve and reserved-memory
98  * sections as unusable
99  * @lmb: pointer to lmb handle, will be used for memory mgmt
100  * @fdt_blob: pointer to fdt blob base address
101  *
102  * Adds the and reserved-memorymemreserve regions in the dtb to the lmb block.
103  * Adding the memreserve regions prevents u-boot from using them to store the
104  * initrd or the fdt blob.
105  */
106 void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob)
107 {
108         uint64_t addr, size;
109         int i, total, ret;
110         int nodeoffset, subnode;
111         struct fdt_resource res;
112         enum lmb_flags flags;
113
114         if (fdt_check_header(fdt_blob) != 0)
115                 return;
116
117         /* process memreserve sections */
118         total = fdt_num_mem_rsv(fdt_blob);
119         for (i = 0; i < total; i++) {
120                 if (fdt_get_mem_rsv(fdt_blob, i, &addr, &size) != 0)
121                         continue;
122                 boot_fdt_reserve_region(lmb, addr, size, LMB_NONE);
123         }
124
125         /* process reserved-memory */
126         nodeoffset = fdt_subnode_offset(fdt_blob, 0, "reserved-memory");
127         if (nodeoffset >= 0) {
128                 subnode = fdt_first_subnode(fdt_blob, nodeoffset);
129                 while (subnode >= 0) {
130                         /* check if this subnode has a reg property */
131                         ret = fdt_get_resource(fdt_blob, subnode, "reg", 0,
132                                                &res);
133                         if (!ret && fdtdec_get_is_enabled(fdt_blob, subnode)) {
134                                 flags = LMB_NONE;
135                                 if (fdtdec_get_bool(fdt_blob, subnode,
136                                                     "no-map"))
137                                         flags = LMB_NOMAP;
138                                 addr = res.start;
139                                 size = res.end - res.start + 1;
140                                 boot_fdt_reserve_region(lmb, addr, size, flags);
141                         }
142
143                         subnode = fdt_next_subnode(fdt_blob, subnode);
144                 }
145         }
146 }
147
148 /**
149  * boot_relocate_fdt - relocate flat device tree
150  * @lmb: pointer to lmb handle, will be used for memory mgmt
151  * @of_flat_tree: pointer to a char* variable, will hold fdt start address
152  * @of_size: pointer to a ulong variable, will hold fdt length
153  *
154  * boot_relocate_fdt() allocates a region of memory within the bootmap and
155  * relocates the of_flat_tree into that region, even if the fdt is already in
156  * the bootmap.  It also expands the size of the fdt by CONFIG_SYS_FDT_PAD
157  * bytes.
158  *
159  * of_flat_tree and of_size are set to final (after relocation) values
160  *
161  * returns:
162  *      0 - success
163  *      1 - failure
164  */
165 int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size)
166 {
167         void    *fdt_blob = *of_flat_tree;
168         void    *of_start = NULL;
169         u64     start, size, usable;
170         char    *fdt_high;
171         ulong   mapsize, low;
172         ulong   of_len = 0;
173         int     bank;
174         int     err;
175         int     disable_relocation = 0;
176
177         /* nothing to do */
178         if (*of_size == 0)
179                 return 0;
180
181         if (fdt_check_header(fdt_blob) != 0) {
182                 fdt_error("image is not a fdt");
183                 goto error;
184         }
185
186         /* position on a 4K boundary before the alloc_current */
187         /* Pad the FDT by a specified amount */
188         of_len = *of_size + CONFIG_SYS_FDT_PAD;
189
190         /* If fdt_high is set use it to select the relocation address */
191         fdt_high = env_get("fdt_high");
192         if (fdt_high) {
193                 void *desired_addr = (void *)hextoul(fdt_high, NULL);
194
195                 if (((ulong) desired_addr) == ~0UL) {
196                         /* All ones means use fdt in place */
197                         of_start = fdt_blob;
198                         lmb_reserve(lmb, (ulong)of_start, of_len);
199                         disable_relocation = 1;
200                 } else if (desired_addr) {
201                         of_start =
202                             (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000,
203                                                            (ulong)desired_addr);
204                         if (of_start == NULL) {
205                                 puts("Failed using fdt_high value for Device Tree");
206                                 goto error;
207                         }
208                 } else {
209                         of_start =
210                             (void *)(ulong) lmb_alloc(lmb, of_len, 0x1000);
211                 }
212         } else {
213                 mapsize = env_get_bootm_mapsize();
214                 low = env_get_bootm_low();
215                 of_start = NULL;
216
217                 for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
218                         start = gd->bd->bi_dram[bank].start;
219                         size = gd->bd->bi_dram[bank].size;
220
221                         /* DRAM bank addresses are too low, skip it. */
222                         if (start + size < low)
223                                 continue;
224
225                         usable = min(size, (u64)mapsize);
226
227                         /*
228                          * At least part of this DRAM bank is usable, try
229                          * using it for LMB allocation.
230                          */
231                         of_start =
232                             (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000,
233                                                            start + usable);
234                         /* Allocation succeeded, use this block. */
235                         if (of_start != NULL)
236                                 break;
237
238                         /*
239                          * Reduce the mapping size in the next bank
240                          * by the size of attempt in current bank.
241                          */
242                         mapsize -= usable - max(start, (u64)low);
243                         if (!mapsize)
244                                 break;
245                 }
246         }
247
248         if (of_start == NULL) {
249                 puts("device tree - allocation error\n");
250                 goto error;
251         }
252
253         if (disable_relocation) {
254                 /*
255                  * We assume there is space after the existing fdt to use
256                  * for padding
257                  */
258                 fdt_set_totalsize(of_start, of_len);
259                 printf("   Using Device Tree in place at %p, end %p\n",
260                        of_start, of_start + of_len - 1);
261         } else {
262                 debug("## device tree at %p ... %p (len=%ld [0x%lX])\n",
263                       fdt_blob, fdt_blob + *of_size - 1, of_len, of_len);
264
265                 printf("   Loading Device Tree to %p, end %p ... ",
266                        of_start, of_start + of_len - 1);
267
268                 err = fdt_open_into(fdt_blob, of_start, of_len);
269                 if (err != 0) {
270                         fdt_error("fdt move failed");
271                         goto error;
272                 }
273                 puts("OK\n");
274         }
275
276         *of_flat_tree = of_start;
277         *of_size = of_len;
278
279         if (CONFIG_IS_ENABLED(CMD_FDT))
280                 set_working_fdt_addr(map_to_sysmem(*of_flat_tree));
281         return 0;
282
283 error:
284         return 1;
285 }
286
287 /**
288  * select_fdt() - Select and locate the FDT to use
289  *
290  * @images: pointer to the bootm images structure
291  * @select: name of FDT to select, or NULL for any
292  * @arch: expected FDT architecture
293  * @fdt_addrp: pointer to a ulong variable, will hold FDT pointer
294  * Return: 0 if OK, -ENOPKG if no FDT (but an error should not be reported),
295  *      other -ve value on other error
296  */
297
298 static int select_fdt(bootm_headers_t *images, const char *select, u8 arch,
299                       ulong *fdt_addrp)
300 {
301         const char *buf;
302         ulong fdt_addr;
303
304 #if CONFIG_IS_ENABLED(FIT)
305         const char *fit_uname_config = images->fit_uname_cfg;
306         const char *fit_uname_fdt = NULL;
307         ulong default_addr;
308         int fdt_noffset;
309
310         if (select) {
311                         /*
312                          * If the FDT blob comes from the FIT image and the
313                          * FIT image address is omitted in the command line
314                          * argument, try to use ramdisk or os FIT image
315                          * address or default load address.
316                          */
317                         if (images->fit_uname_rd)
318                                 default_addr = (ulong)images->fit_hdr_rd;
319                         else if (images->fit_uname_os)
320                                 default_addr = (ulong)images->fit_hdr_os;
321                         else
322                                 default_addr = image_load_addr;
323
324                         if (fit_parse_conf(select, default_addr, &fdt_addr,
325                                            &fit_uname_config)) {
326                                 debug("*  fdt: config '%s' from image at 0x%08lx\n",
327                                       fit_uname_config, fdt_addr);
328                         } else if (fit_parse_subimage(select, default_addr, &fdt_addr,
329                                    &fit_uname_fdt)) {
330                                 debug("*  fdt: subimage '%s' from image at 0x%08lx\n",
331                                       fit_uname_fdt, fdt_addr);
332                         } else
333 #endif
334                 {
335                         fdt_addr = hextoul(select, NULL);
336                         debug("*  fdt: cmdline image address = 0x%08lx\n",
337                               fdt_addr);
338                 }
339 #if CONFIG_IS_ENABLED(FIT)
340         } else {
341                 /* use FIT configuration provided in first bootm
342                  * command argument
343                  */
344                 fdt_addr = map_to_sysmem(images->fit_hdr_os);
345                 fdt_noffset = fit_get_node_from_config(images, FIT_FDT_PROP,
346                                                        fdt_addr);
347                 if (fdt_noffset == -ENOENT)
348                         return -ENOPKG;
349                 else if (fdt_noffset < 0)
350                         return fdt_noffset;
351         }
352 #endif
353         debug("## Checking for 'FDT'/'FDT Image' at %08lx\n",
354               fdt_addr);
355
356         /*
357          * Check if there is an FDT image at the
358          * address provided in the second bootm argument
359          * check image type, for FIT images get a FIT node.
360          */
361         buf = map_sysmem(fdt_addr, 0);
362         switch (genimg_get_format(buf)) {
363 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
364         case IMAGE_FORMAT_LEGACY: {
365                         const image_header_t *fdt_hdr;
366                         ulong load, load_end;
367                         ulong image_start, image_data, image_end;
368
369                         /* verify fdt_addr points to a valid image header */
370                         printf("## Flattened Device Tree from Legacy Image at %08lx\n",
371                                fdt_addr);
372                         fdt_hdr = image_get_fdt(fdt_addr);
373                         if (!fdt_hdr)
374                                 return -ENOPKG;
375
376                         /*
377                          * move image data to the load address,
378                          * make sure we don't overwrite initial image
379                          */
380                         image_start = (ulong)fdt_hdr;
381                         image_data = (ulong)image_get_data(fdt_hdr);
382                         image_end = image_get_image_end(fdt_hdr);
383
384                         load = image_get_load(fdt_hdr);
385                         load_end = load + image_get_data_size(fdt_hdr);
386
387                         if (load == image_start ||
388                             load == image_data) {
389                                 fdt_addr = load;
390                                 break;
391                         }
392
393                         if ((load < image_end) && (load_end > image_start)) {
394                                 fdt_error("fdt overwritten");
395                                 return -EFAULT;
396                         }
397
398                         debug("   Loading FDT from 0x%08lx to 0x%08lx\n",
399                               image_data, load);
400
401                         memmove((void *)load,
402                                 (void *)image_data,
403                                 image_get_data_size(fdt_hdr));
404
405                         fdt_addr = load;
406                         break;
407                 }
408 #endif
409         case IMAGE_FORMAT_FIT:
410                 /*
411                  * This case will catch both: new uImage format
412                  * (libfdt based) and raw FDT blob (also libfdt
413                  * based).
414                  */
415 #if CONFIG_IS_ENABLED(FIT)
416                         /* check FDT blob vs FIT blob */
417                         if (!fit_check_format(buf, IMAGE_SIZE_INVAL)) {
418                                 ulong load, len;
419
420                                 fdt_noffset = boot_get_fdt_fit(images, fdt_addr,
421                                                                &fit_uname_fdt,
422                                                                &fit_uname_config,
423                                                                arch, &load, &len);
424
425                                 if (fdt_noffset < 0)
426                                         return -ENOENT;
427
428                                 images->fit_hdr_fdt = map_sysmem(fdt_addr, 0);
429                                 images->fit_uname_fdt = fit_uname_fdt;
430                                 images->fit_noffset_fdt = fdt_noffset;
431                                 fdt_addr = load;
432
433                                 break;
434                 } else
435 #endif
436                 {
437                         /*
438                          * FDT blob
439                          */
440                         debug("*  fdt: raw FDT blob\n");
441                         printf("## Flattened Device Tree blob at %08lx\n",
442                                (long)fdt_addr);
443                 }
444                 break;
445         default:
446                 puts("ERROR: Did not find a cmdline Flattened Device Tree\n");
447                 return -ENOENT;
448         }
449         *fdt_addrp = fdt_addr;
450
451         return 0;
452 }
453
454 /**
455  * boot_get_fdt - main fdt handling routine
456  * @argc: command argument count
457  * @argv: command argument list
458  * @arch: architecture (IH_ARCH_...)
459  * @images: pointer to the bootm images structure
460  * @of_flat_tree: pointer to a char* variable, will hold fdt start address
461  * @of_size: pointer to a ulong variable, will hold fdt length
462  *
463  * boot_get_fdt() is responsible for finding a valid flat device tree image.
464  * Currently supported are the following ramdisk sources:
465  *      - multicomponent kernel/ramdisk image,
466  *      - commandline provided address of decicated ramdisk image.
467  *
468  * returns:
469  *     0, if fdt image was found and valid, or skipped
470  *     of_flat_tree and of_size are set to fdt start address and length if
471  *     fdt image is found and valid
472  *
473  *     1, if fdt image is found but corrupted
474  *     of_flat_tree and of_size are set to 0 if no fdt exists
475  */
476 int boot_get_fdt(int flag, int argc, char *const argv[], uint8_t arch,
477                  bootm_headers_t *images, char **of_flat_tree, ulong *of_size)
478 {
479         ulong           img_addr;
480         ulong           fdt_addr;
481         char            *fdt_blob = NULL;
482         void            *buf;
483         const char *select = NULL;
484
485         *of_flat_tree = NULL;
486         *of_size = 0;
487
488         img_addr = (argc == 0) ? image_load_addr : hextoul(argv[0], NULL);
489         buf = map_sysmem(img_addr, 0);
490
491         if (argc > 2)
492                 select = argv[2];
493         if (select || genimg_has_config(images)) {
494                 int ret;
495
496                 ret = select_fdt(images, select, arch, &fdt_addr);
497                 if (ret == -ENOPKG)
498                         goto no_fdt;
499                 else if (ret)
500                         return 1;
501                 printf("   Booting using the fdt blob at %#08lx\n", fdt_addr);
502                 fdt_blob = map_sysmem(fdt_addr, 0);
503         } else if (images->legacy_hdr_valid &&
504                         image_check_type(&images->legacy_hdr_os_copy,
505                                          IH_TYPE_MULTI)) {
506                 ulong fdt_data, fdt_len;
507
508                 /*
509                  * Now check if we have a legacy multi-component image,
510                  * get second entry data start address and len.
511                  */
512                 printf("## Flattened Device Tree from multi component Image at %08lX\n",
513                        (ulong)images->legacy_hdr_os);
514
515                 image_multi_getimg(images->legacy_hdr_os, 2, &fdt_data,
516                                    &fdt_len);
517                 if (fdt_len) {
518                         fdt_blob = (char *)fdt_data;
519                         printf("   Booting using the fdt at 0x%p\n", fdt_blob);
520
521                         if (fdt_check_header(fdt_blob) != 0) {
522                                 fdt_error("image is not a fdt");
523                                 goto error;
524                         }
525
526                         if (fdt_totalsize(fdt_blob) != fdt_len) {
527                                 fdt_error("fdt size != image size");
528                                 goto error;
529                         }
530                 } else {
531                         debug("## No Flattened Device Tree\n");
532                         goto no_fdt;
533                 }
534 #ifdef CONFIG_ANDROID_BOOT_IMAGE
535         } else if (genimg_get_format(buf) == IMAGE_FORMAT_ANDROID) {
536                 struct andr_img_hdr *hdr = buf;
537                 ulong           fdt_data, fdt_len;
538                 u32                     fdt_size, dtb_idx;
539                 /*
540                  * Firstly check if this android boot image has dtb field.
541                  */
542                 dtb_idx = (u32)env_get_ulong("adtb_idx", 10, 0);
543                 if (android_image_get_dtb_by_index((ulong)hdr, dtb_idx, &fdt_addr, &fdt_size)) {
544                         fdt_blob = (char *)map_sysmem(fdt_addr, 0);
545                         if (fdt_check_header(fdt_blob))
546                                 goto no_fdt;
547
548                         debug("## Using FDT in Android image dtb area with idx %u\n", dtb_idx);
549                 } else if (!android_image_get_second(hdr, &fdt_data, &fdt_len) &&
550                         !fdt_check_header((char *)fdt_data)) {
551                         fdt_blob = (char *)fdt_data;
552                         if (fdt_totalsize(fdt_blob) != fdt_len)
553                                 goto error;
554
555                         debug("## Using FDT in Android image second area\n");
556                 } else {
557                         fdt_addr = env_get_hex("fdtaddr", 0);
558                         if (!fdt_addr)
559                                 goto no_fdt;
560
561                         fdt_blob = map_sysmem(fdt_addr, 0);
562                         if (fdt_check_header(fdt_blob))
563                                 goto no_fdt;
564
565                         debug("## Using FDT at ${fdtaddr}=Ox%lx\n", fdt_addr);
566                 }
567 #endif
568         } else {
569                 debug("## No Flattened Device Tree\n");
570                 goto no_fdt;
571         }
572
573         *of_flat_tree = fdt_blob;
574         *of_size = fdt_totalsize(fdt_blob);
575         debug("   of_flat_tree at 0x%08lx size 0x%08lx\n",
576               (ulong)*of_flat_tree, *of_size);
577
578         return 0;
579
580 no_fdt:
581         debug("Continuing to boot without FDT\n");
582         return 0;
583 error:
584         return 1;
585 }
586
587 /*
588  * Verify the device tree.
589  *
590  * This function is called after all device tree fix-ups have been enacted,
591  * so that the final device tree can be verified.  The definition of "verified"
592  * is up to the specific implementation.  However, it generally means that the
593  * addresses of some of the devices in the device tree are compared with the
594  * actual addresses at which U-Boot has placed them.
595  *
596  * Returns 1 on success, 0 on failure.  If 0 is returned, U-Boot will halt the
597  * boot process.
598  */
599 __weak int ft_verify_fdt(void *fdt)
600 {
601         return 1;
602 }
603
604 __weak int arch_fixup_fdt(void *blob)
605 {
606         return 0;
607 }
608
609 int image_setup_libfdt(bootm_headers_t *images, void *blob,
610                        int of_size, struct lmb *lmb)
611 {
612         ulong *initrd_start = &images->initrd_start;
613         ulong *initrd_end = &images->initrd_end;
614         int ret = -EPERM;
615         int fdt_ret;
616
617         if (fdt_root(blob) < 0) {
618                 printf("ERROR: root node setup failed\n");
619                 goto err;
620         }
621         if (fdt_chosen(blob) < 0) {
622                 printf("ERROR: /chosen node create failed\n");
623                 goto err;
624         }
625         if (arch_fixup_fdt(blob) < 0) {
626                 printf("ERROR: arch-specific fdt fixup failed\n");
627                 goto err;
628         }
629
630         fdt_ret = optee_copy_fdt_nodes(blob);
631         if (fdt_ret) {
632                 printf("ERROR: transfer of optee nodes to new fdt failed: %s\n",
633                        fdt_strerror(fdt_ret));
634                 goto err;
635         }
636
637         /* Store name of configuration node as u-boot,bootconf in /chosen node */
638         if (images->fit_uname_cfg)
639                 fdt_find_and_setprop(blob, "/chosen", "u-boot,bootconf",
640                                         images->fit_uname_cfg,
641                                         strlen(images->fit_uname_cfg) + 1, 1);
642
643         /* Update ethernet nodes */
644         fdt_fixup_ethernet(blob);
645 #if CONFIG_IS_ENABLED(CMD_PSTORE)
646         /* Append PStore configuration */
647         fdt_fixup_pstore(blob);
648 #endif
649         if (IS_ENABLED(CONFIG_OF_BOARD_SETUP)) {
650                 const char *skip_board_fixup;
651
652                 skip_board_fixup = env_get("skip_board_fixup");
653                 if (skip_board_fixup && ((int)simple_strtol(skip_board_fixup, NULL, 10) == 1)) {
654                         printf("skip board fdt fixup\n");
655                 } else {
656                         fdt_ret = ft_board_setup(blob, gd->bd);
657                         if (fdt_ret) {
658                                 printf("ERROR: board-specific fdt fixup failed: %s\n",
659                                        fdt_strerror(fdt_ret));
660                                 goto err;
661                         }
662                 }
663         }
664         if (IS_ENABLED(CONFIG_OF_SYSTEM_SETUP)) {
665                 fdt_ret = ft_system_setup(blob, gd->bd);
666                 if (fdt_ret) {
667                         printf("ERROR: system-specific fdt fixup failed: %s\n",
668                                fdt_strerror(fdt_ret));
669                         goto err;
670                 }
671         }
672         if (CONFIG_IS_ENABLED(EVENT)) {
673                 struct event_ft_fixup fixup;
674
675                 fixup.tree = oftree_default();
676                 ret = event_notify(EVT_FT_FIXUP, &fixup, sizeof(fixup));
677                 if (ret) {
678                         printf("ERROR: fdt fixup event failed: %d\n", ret);
679                         goto err;
680                 }
681         }
682
683         /* Delete the old LMB reservation */
684         if (lmb)
685                 lmb_free(lmb, (phys_addr_t)(u32)(uintptr_t)blob,
686                          (phys_size_t)fdt_totalsize(blob));
687
688         ret = fdt_shrink_to_minimum(blob, 0);
689         if (ret < 0)
690                 goto err;
691         of_size = ret;
692
693         if (*initrd_start && *initrd_end) {
694                 of_size += FDT_RAMDISK_OVERHEAD;
695                 fdt_set_totalsize(blob, of_size);
696         }
697         /* Create a new LMB reservation */
698         if (lmb)
699                 lmb_reserve(lmb, (ulong)blob, of_size);
700
701         fdt_initrd(blob, *initrd_start, *initrd_end);
702         if (!ft_verify_fdt(blob))
703                 goto err;
704
705 #if defined(CONFIG_ARCH_KEYSTONE)
706         if (IS_ENABLED(CONFIG_OF_BOARD_SETUP))
707                 ft_board_setup_ex(blob, gd->bd);
708 #endif
709
710         return 0;
711 err:
712         printf(" - must RESET the board to recover.\n\n");
713
714         return ret;
715 }