1204431Sraj/* 2204431Sraj * libfdt - Flat Device Tree manipulation 3204431Sraj * Copyright (C) 2006 David Gibson, IBM Corporation. 4204431Sraj * 5204431Sraj * libfdt is dual licensed: you can use it either under the terms of 6204431Sraj * the GPL, or the BSD license, at your option. 7204431Sraj * 8204431Sraj * a) This library is free software; you can redistribute it and/or 9204431Sraj * modify it under the terms of the GNU General Public License as 10204431Sraj * published by the Free Software Foundation; either version 2 of the 11204431Sraj * License, or (at your option) any later version. 12204431Sraj * 13204431Sraj * This library is distributed in the hope that it will be useful, 14204431Sraj * but WITHOUT ANY WARRANTY; without even the implied warranty of 15204431Sraj * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16204431Sraj * GNU General Public License for more details. 17204431Sraj * 18204431Sraj * You should have received a copy of the GNU General Public 19204431Sraj * License along with this library; if not, write to the Free 20204431Sraj * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, 21204431Sraj * MA 02110-1301 USA 22204431Sraj * 23204431Sraj * Alternatively, 24204431Sraj * 25204431Sraj * b) Redistribution and use in source and binary forms, with or 26204431Sraj * without modification, are permitted provided that the following 27204431Sraj * conditions are met: 28204431Sraj * 29204431Sraj * 1. Redistributions of source code must retain the above 30204431Sraj * copyright notice, this list of conditions and the following 31204431Sraj * disclaimer. 32204431Sraj * 2. Redistributions in binary form must reproduce the above 33204431Sraj * copyright notice, this list of conditions and the following 34204431Sraj * disclaimer in the documentation and/or other materials 35204431Sraj * provided with the distribution. 36204431Sraj * 37204431Sraj * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 38204431Sraj * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 39204431Sraj * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 40204431Sraj * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 41204431Sraj * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 42204431Sraj * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 43204431Sraj * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 44204431Sraj * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 45204431Sraj * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 46204431Sraj * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 47204431Sraj * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 48204431Sraj * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 49204431Sraj * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 50204431Sraj */ 51204431Sraj#include "libfdt_env.h" 52204431Sraj 53204431Sraj#include <fdt.h> 54204431Sraj#include <libfdt.h> 55204431Sraj 56204431Sraj#include "libfdt_internal.h" 57204431Sraj 58204431Srajstatic int _fdt_blocks_misordered(const void *fdt, 59204431Sraj int mem_rsv_size, int struct_size) 60204431Sraj{ 61204431Sraj return (fdt_off_mem_rsvmap(fdt) < FDT_ALIGN(sizeof(struct fdt_header), 8)) 62204431Sraj || (fdt_off_dt_struct(fdt) < 63204431Sraj (fdt_off_mem_rsvmap(fdt) + mem_rsv_size)) 64204431Sraj || (fdt_off_dt_strings(fdt) < 65204431Sraj (fdt_off_dt_struct(fdt) + struct_size)) 66204431Sraj || (fdt_totalsize(fdt) < 67204431Sraj (fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt))); 68204431Sraj} 69204431Sraj 70204431Srajstatic int _fdt_rw_check_header(void *fdt) 71204431Sraj{ 72204431Sraj FDT_CHECK_HEADER(fdt); 73204431Sraj 74204431Sraj if (fdt_version(fdt) < 17) 75204431Sraj return -FDT_ERR_BADVERSION; 76204431Sraj if (_fdt_blocks_misordered(fdt, sizeof(struct fdt_reserve_entry), 77204431Sraj fdt_size_dt_struct(fdt))) 78204431Sraj return -FDT_ERR_BADLAYOUT; 79204431Sraj if (fdt_version(fdt) > 17) 80204431Sraj fdt_set_version(fdt, 17); 81204431Sraj 82204431Sraj return 0; 83204431Sraj} 84204431Sraj 85204431Sraj#define FDT_RW_CHECK_HEADER(fdt) \ 86204431Sraj { \ 87204431Sraj int err; \ 88204431Sraj if ((err = _fdt_rw_check_header(fdt)) != 0) \ 89204431Sraj return err; \ 90204431Sraj } 91204431Sraj 92204431Srajstatic inline int _fdt_data_size(void *fdt) 93204431Sraj{ 94204431Sraj return fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt); 95204431Sraj} 96204431Sraj 97204431Srajstatic int _fdt_splice(void *fdt, void *splicepoint, int oldlen, int newlen) 98204431Sraj{ 99204431Sraj char *p = splicepoint; 100204431Sraj char *end = (char *)fdt + _fdt_data_size(fdt); 101204431Sraj 102204431Sraj if (((p + oldlen) < p) || ((p + oldlen) > end)) 103204431Sraj return -FDT_ERR_BADOFFSET; 104204431Sraj if ((end - oldlen + newlen) > ((char *)fdt + fdt_totalsize(fdt))) 105204431Sraj return -FDT_ERR_NOSPACE; 106204431Sraj memmove(p + newlen, p + oldlen, end - p - oldlen); 107204431Sraj return 0; 108204431Sraj} 109204431Sraj 110204431Srajstatic int _fdt_splice_mem_rsv(void *fdt, struct fdt_reserve_entry *p, 111204431Sraj int oldn, int newn) 112204431Sraj{ 113204431Sraj int delta = (newn - oldn) * sizeof(*p); 114204431Sraj int err; 115204431Sraj err = _fdt_splice(fdt, p, oldn * sizeof(*p), newn * sizeof(*p)); 116204431Sraj if (err) 117204431Sraj return err; 118204431Sraj fdt_set_off_dt_struct(fdt, fdt_off_dt_struct(fdt) + delta); 119204431Sraj fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta); 120204431Sraj return 0; 121204431Sraj} 122204431Sraj 123204431Srajstatic int _fdt_splice_struct(void *fdt, void *p, 124204431Sraj int oldlen, int newlen) 125204431Sraj{ 126204431Sraj int delta = newlen - oldlen; 127204431Sraj int err; 128204431Sraj 129204431Sraj if ((err = _fdt_splice(fdt, p, oldlen, newlen))) 130204431Sraj return err; 131204431Sraj 132204431Sraj fdt_set_size_dt_struct(fdt, fdt_size_dt_struct(fdt) + delta); 133204431Sraj fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta); 134204431Sraj return 0; 135204431Sraj} 136204431Sraj 137204431Srajstatic int _fdt_splice_string(void *fdt, int newlen) 138204431Sraj{ 139204431Sraj void *p = (char *)fdt 140204431Sraj + fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt); 141204431Sraj int err; 142204431Sraj 143204431Sraj if ((err = _fdt_splice(fdt, p, 0, newlen))) 144204431Sraj return err; 145204431Sraj 146204431Sraj fdt_set_size_dt_strings(fdt, fdt_size_dt_strings(fdt) + newlen); 147204431Sraj return 0; 148204431Sraj} 149204431Sraj 150204431Srajstatic int _fdt_find_add_string(void *fdt, const char *s) 151204431Sraj{ 152204431Sraj char *strtab = (char *)fdt + fdt_off_dt_strings(fdt); 153204431Sraj const char *p; 154204431Sraj char *new; 155204431Sraj int len = strlen(s) + 1; 156204431Sraj int err; 157204431Sraj 158204431Sraj p = _fdt_find_string(strtab, fdt_size_dt_strings(fdt), s); 159204431Sraj if (p) 160204431Sraj /* found it */ 161204431Sraj return (p - strtab); 162204431Sraj 163204431Sraj new = strtab + fdt_size_dt_strings(fdt); 164204431Sraj err = _fdt_splice_string(fdt, len); 165204431Sraj if (err) 166204431Sraj return err; 167204431Sraj 168204431Sraj memcpy(new, s, len); 169204431Sraj return (new - strtab); 170204431Sraj} 171204431Sraj 172204431Srajint fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size) 173204431Sraj{ 174204431Sraj struct fdt_reserve_entry *re; 175204431Sraj int err; 176204431Sraj 177204431Sraj FDT_RW_CHECK_HEADER(fdt); 178204431Sraj 179204431Sraj re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt)); 180204431Sraj err = _fdt_splice_mem_rsv(fdt, re, 0, 1); 181204431Sraj if (err) 182204431Sraj return err; 183204431Sraj 184204431Sraj re->address = cpu_to_fdt64(address); 185204431Sraj re->size = cpu_to_fdt64(size); 186204431Sraj return 0; 187204431Sraj} 188204431Sraj 189204431Srajint fdt_del_mem_rsv(void *fdt, int n) 190204431Sraj{ 191204431Sraj struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n); 192204431Sraj int err; 193204431Sraj 194204431Sraj FDT_RW_CHECK_HEADER(fdt); 195204431Sraj 196204431Sraj if (n >= fdt_num_mem_rsv(fdt)) 197204431Sraj return -FDT_ERR_NOTFOUND; 198204431Sraj 199204431Sraj err = _fdt_splice_mem_rsv(fdt, re, 1, 0); 200204431Sraj if (err) 201204431Sraj return err; 202204431Sraj return 0; 203204431Sraj} 204204431Sraj 205204431Srajstatic int _fdt_resize_property(void *fdt, int nodeoffset, const char *name, 206204431Sraj int len, struct fdt_property **prop) 207204431Sraj{ 208204431Sraj int oldlen; 209204431Sraj int err; 210204431Sraj 211204431Sraj *prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen); 212204431Sraj if (! (*prop)) 213204431Sraj return oldlen; 214204431Sraj 215204431Sraj if ((err = _fdt_splice_struct(fdt, (*prop)->data, FDT_TAGALIGN(oldlen), 216204431Sraj FDT_TAGALIGN(len)))) 217204431Sraj return err; 218204431Sraj 219204431Sraj (*prop)->len = cpu_to_fdt32(len); 220204431Sraj return 0; 221204431Sraj} 222204431Sraj 223204431Srajstatic int _fdt_add_property(void *fdt, int nodeoffset, const char *name, 224204431Sraj int len, struct fdt_property **prop) 225204431Sraj{ 226204431Sraj int proplen; 227204431Sraj int nextoffset; 228204431Sraj int namestroff; 229204431Sraj int err; 230204431Sraj 231204431Sraj if ((nextoffset = _fdt_check_node_offset(fdt, nodeoffset)) < 0) 232204431Sraj return nextoffset; 233204431Sraj 234204431Sraj namestroff = _fdt_find_add_string(fdt, name); 235204431Sraj if (namestroff < 0) 236204431Sraj return namestroff; 237204431Sraj 238204431Sraj *prop = _fdt_offset_ptr_w(fdt, nextoffset); 239204431Sraj proplen = sizeof(**prop) + FDT_TAGALIGN(len); 240204431Sraj 241204431Sraj err = _fdt_splice_struct(fdt, *prop, 0, proplen); 242204431Sraj if (err) 243204431Sraj return err; 244204431Sraj 245204431Sraj (*prop)->tag = cpu_to_fdt32(FDT_PROP); 246204431Sraj (*prop)->nameoff = cpu_to_fdt32(namestroff); 247204431Sraj (*prop)->len = cpu_to_fdt32(len); 248204431Sraj return 0; 249204431Sraj} 250204431Sraj 251204431Srajint fdt_set_name(void *fdt, int nodeoffset, const char *name) 252204431Sraj{ 253204431Sraj char *namep; 254204431Sraj int oldlen, newlen; 255204431Sraj int err; 256204431Sraj 257204431Sraj FDT_RW_CHECK_HEADER(fdt); 258204431Sraj 259204431Sraj namep = (char *)(uintptr_t)fdt_get_name(fdt, nodeoffset, &oldlen); 260204431Sraj if (!namep) 261204431Sraj return oldlen; 262204431Sraj 263204431Sraj newlen = strlen(name); 264204431Sraj 265204431Sraj err = _fdt_splice_struct(fdt, namep, FDT_TAGALIGN(oldlen+1), 266204431Sraj FDT_TAGALIGN(newlen+1)); 267204431Sraj if (err) 268204431Sraj return err; 269204431Sraj 270204431Sraj memcpy(namep, name, newlen+1); 271204431Sraj return 0; 272204431Sraj} 273204431Sraj 274204431Srajint fdt_setprop(void *fdt, int nodeoffset, const char *name, 275204431Sraj const void *val, int len) 276204431Sraj{ 277204431Sraj struct fdt_property *prop; 278204431Sraj int err; 279204431Sraj 280204431Sraj FDT_RW_CHECK_HEADER(fdt); 281204431Sraj 282204431Sraj err = _fdt_resize_property(fdt, nodeoffset, name, len, &prop); 283204431Sraj if (err == -FDT_ERR_NOTFOUND) 284204431Sraj err = _fdt_add_property(fdt, nodeoffset, name, len, &prop); 285204431Sraj if (err) 286204431Sraj return err; 287204431Sraj 288204431Sraj memcpy(prop->data, val, len); 289204431Sraj return 0; 290204431Sraj} 291204431Sraj 292238742Simpint fdt_appendprop(void *fdt, int nodeoffset, const char *name, 293238742Simp const void *val, int len) 294238742Simp{ 295238742Simp struct fdt_property *prop; 296238742Simp int err, oldlen, newlen; 297238742Simp 298238742Simp FDT_RW_CHECK_HEADER(fdt); 299238742Simp 300238742Simp prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen); 301238742Simp if (prop) { 302238742Simp newlen = len + oldlen; 303238742Simp err = _fdt_splice_struct(fdt, prop->data, 304238742Simp FDT_TAGALIGN(oldlen), 305238742Simp FDT_TAGALIGN(newlen)); 306238742Simp if (err) 307238742Simp return err; 308238742Simp prop->len = cpu_to_fdt32(newlen); 309238742Simp memcpy(prop->data + oldlen, val, len); 310238742Simp } else { 311238742Simp err = _fdt_add_property(fdt, nodeoffset, name, len, &prop); 312238742Simp if (err) 313238742Simp return err; 314238742Simp memcpy(prop->data, val, len); 315238742Simp } 316238742Simp return 0; 317238742Simp} 318238742Simp 319204431Srajint fdt_delprop(void *fdt, int nodeoffset, const char *name) 320204431Sraj{ 321204431Sraj struct fdt_property *prop; 322204431Sraj int len, proplen; 323204431Sraj 324204431Sraj FDT_RW_CHECK_HEADER(fdt); 325204431Sraj 326204431Sraj prop = fdt_get_property_w(fdt, nodeoffset, name, &len); 327204431Sraj if (! prop) 328204431Sraj return len; 329204431Sraj 330204431Sraj proplen = sizeof(*prop) + FDT_TAGALIGN(len); 331204431Sraj return _fdt_splice_struct(fdt, prop, proplen, 0); 332204431Sraj} 333204431Sraj 334204431Srajint fdt_add_subnode_namelen(void *fdt, int parentoffset, 335204431Sraj const char *name, int namelen) 336204431Sraj{ 337204431Sraj struct fdt_node_header *nh; 338204431Sraj int offset, nextoffset; 339204431Sraj int nodelen; 340204431Sraj int err; 341204431Sraj uint32_t tag; 342204431Sraj uint32_t *endtag; 343204431Sraj 344204431Sraj FDT_RW_CHECK_HEADER(fdt); 345204431Sraj 346204431Sraj offset = fdt_subnode_offset_namelen(fdt, parentoffset, name, namelen); 347204431Sraj if (offset >= 0) 348204431Sraj return -FDT_ERR_EXISTS; 349204431Sraj else if (offset != -FDT_ERR_NOTFOUND) 350204431Sraj return offset; 351204431Sraj 352204431Sraj /* Try to place the new node after the parent's properties */ 353204431Sraj fdt_next_tag(fdt, parentoffset, &nextoffset); /* skip the BEGIN_NODE */ 354204431Sraj do { 355204431Sraj offset = nextoffset; 356204431Sraj tag = fdt_next_tag(fdt, offset, &nextoffset); 357204431Sraj } while ((tag == FDT_PROP) || (tag == FDT_NOP)); 358204431Sraj 359204431Sraj nh = _fdt_offset_ptr_w(fdt, offset); 360204431Sraj nodelen = sizeof(*nh) + FDT_TAGALIGN(namelen+1) + FDT_TAGSIZE; 361204431Sraj 362204431Sraj err = _fdt_splice_struct(fdt, nh, 0, nodelen); 363204431Sraj if (err) 364204431Sraj return err; 365204431Sraj 366204431Sraj nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE); 367204431Sraj memset(nh->name, 0, FDT_TAGALIGN(namelen+1)); 368204431Sraj memcpy(nh->name, name, namelen); 369204431Sraj endtag = (uint32_t *)((char *)nh + nodelen - FDT_TAGSIZE); 370204431Sraj *endtag = cpu_to_fdt32(FDT_END_NODE); 371204431Sraj 372204431Sraj return offset; 373204431Sraj} 374204431Sraj 375204431Srajint fdt_add_subnode(void *fdt, int parentoffset, const char *name) 376204431Sraj{ 377204431Sraj return fdt_add_subnode_namelen(fdt, parentoffset, name, strlen(name)); 378204431Sraj} 379204431Sraj 380204431Srajint fdt_del_node(void *fdt, int nodeoffset) 381204431Sraj{ 382204431Sraj int endoffset; 383204431Sraj 384204431Sraj FDT_RW_CHECK_HEADER(fdt); 385204431Sraj 386204431Sraj endoffset = _fdt_node_end_offset(fdt, nodeoffset); 387204431Sraj if (endoffset < 0) 388204431Sraj return endoffset; 389204431Sraj 390204431Sraj return _fdt_splice_struct(fdt, _fdt_offset_ptr_w(fdt, nodeoffset), 391204431Sraj endoffset - nodeoffset, 0); 392204431Sraj} 393204431Sraj 394204431Srajstatic void _fdt_packblocks(const char *old, char *new, 395204431Sraj int mem_rsv_size, int struct_size) 396204431Sraj{ 397204431Sraj int mem_rsv_off, struct_off, strings_off; 398204431Sraj 399204431Sraj mem_rsv_off = FDT_ALIGN(sizeof(struct fdt_header), 8); 400204431Sraj struct_off = mem_rsv_off + mem_rsv_size; 401204431Sraj strings_off = struct_off + struct_size; 402204431Sraj 403204431Sraj memmove(new + mem_rsv_off, old + fdt_off_mem_rsvmap(old), mem_rsv_size); 404204431Sraj fdt_set_off_mem_rsvmap(new, mem_rsv_off); 405204431Sraj 406204431Sraj memmove(new + struct_off, old + fdt_off_dt_struct(old), struct_size); 407204431Sraj fdt_set_off_dt_struct(new, struct_off); 408204431Sraj fdt_set_size_dt_struct(new, struct_size); 409204431Sraj 410204431Sraj memmove(new + strings_off, old + fdt_off_dt_strings(old), 411204431Sraj fdt_size_dt_strings(old)); 412204431Sraj fdt_set_off_dt_strings(new, strings_off); 413204431Sraj fdt_set_size_dt_strings(new, fdt_size_dt_strings(old)); 414204431Sraj} 415204431Sraj 416204431Srajint fdt_open_into(const void *fdt, void *buf, int bufsize) 417204431Sraj{ 418204431Sraj int err; 419204431Sraj int mem_rsv_size, struct_size; 420204431Sraj int newsize; 421204431Sraj const char *fdtstart = fdt; 422204431Sraj const char *fdtend = fdtstart + fdt_totalsize(fdt); 423204431Sraj char *tmp; 424204431Sraj 425204431Sraj FDT_CHECK_HEADER(fdt); 426204431Sraj 427204431Sraj mem_rsv_size = (fdt_num_mem_rsv(fdt)+1) 428204431Sraj * sizeof(struct fdt_reserve_entry); 429204431Sraj 430204431Sraj if (fdt_version(fdt) >= 17) { 431204431Sraj struct_size = fdt_size_dt_struct(fdt); 432204431Sraj } else { 433204431Sraj struct_size = 0; 434204431Sraj while (fdt_next_tag(fdt, struct_size, &struct_size) != FDT_END) 435204431Sraj ; 436204433Sraj if (struct_size < 0) 437204433Sraj return struct_size; 438204431Sraj } 439204431Sraj 440204431Sraj if (!_fdt_blocks_misordered(fdt, mem_rsv_size, struct_size)) { 441204431Sraj /* no further work necessary */ 442204431Sraj err = fdt_move(fdt, buf, bufsize); 443204431Sraj if (err) 444204431Sraj return err; 445204431Sraj fdt_set_version(buf, 17); 446204431Sraj fdt_set_size_dt_struct(buf, struct_size); 447204431Sraj fdt_set_totalsize(buf, bufsize); 448204431Sraj return 0; 449204431Sraj } 450204431Sraj 451204431Sraj /* Need to reorder */ 452204431Sraj newsize = FDT_ALIGN(sizeof(struct fdt_header), 8) + mem_rsv_size 453204431Sraj + struct_size + fdt_size_dt_strings(fdt); 454204431Sraj 455204431Sraj if (bufsize < newsize) 456204431Sraj return -FDT_ERR_NOSPACE; 457204431Sraj 458204431Sraj /* First attempt to build converted tree at beginning of buffer */ 459204431Sraj tmp = buf; 460204431Sraj /* But if that overlaps with the old tree... */ 461204431Sraj if (((tmp + newsize) > fdtstart) && (tmp < fdtend)) { 462204431Sraj /* Try right after the old tree instead */ 463204431Sraj tmp = (char *)(uintptr_t)fdtend; 464204431Sraj if ((tmp + newsize) > ((char *)buf + bufsize)) 465204431Sraj return -FDT_ERR_NOSPACE; 466204431Sraj } 467204431Sraj 468204431Sraj _fdt_packblocks(fdt, tmp, mem_rsv_size, struct_size); 469204431Sraj memmove(buf, tmp, newsize); 470204431Sraj 471204431Sraj fdt_set_magic(buf, FDT_MAGIC); 472204431Sraj fdt_set_totalsize(buf, bufsize); 473204431Sraj fdt_set_version(buf, 17); 474204431Sraj fdt_set_last_comp_version(buf, 16); 475204431Sraj fdt_set_boot_cpuid_phys(buf, fdt_boot_cpuid_phys(fdt)); 476204431Sraj 477204431Sraj return 0; 478204431Sraj} 479204431Sraj 480204431Srajint fdt_pack(void *fdt) 481204431Sraj{ 482204431Sraj int mem_rsv_size; 483204431Sraj 484204431Sraj FDT_RW_CHECK_HEADER(fdt); 485204431Sraj 486204431Sraj mem_rsv_size = (fdt_num_mem_rsv(fdt)+1) 487204431Sraj * sizeof(struct fdt_reserve_entry); 488204431Sraj _fdt_packblocks(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt)); 489204431Sraj fdt_set_totalsize(fdt, _fdt_data_size(fdt)); 490204431Sraj 491204431Sraj return 0; 492204431Sraj} 493