| libfdt.h (204431) | libfdt.h (204433) |
|---|---|
| 1#ifndef _LIBFDT_H 2#define _LIBFDT_H 3/* 4 * libfdt - Flat Device Tree manipulation 5 * Copyright (C) 2006 David Gibson, IBM Corporation. 6 * 7 * libfdt is dual licensed: you can use it either under the terms of 8 * the GPL, or the BSD license, at your option. --- 108 unchanged lines hidden (view full) --- 117 * libfdt itself. */ 118 119#define FDT_ERR_MAX 13 120 121/**********************************************************************/ 122/* Low-level functions (you probably don't need these) */ 123/**********************************************************************/ 124 | 1#ifndef _LIBFDT_H 2#define _LIBFDT_H 3/* 4 * libfdt - Flat Device Tree manipulation 5 * Copyright (C) 2006 David Gibson, IBM Corporation. 6 * 7 * libfdt is dual licensed: you can use it either under the terms of 8 * the GPL, or the BSD license, at your option. --- 108 unchanged lines hidden (view full) --- 117 * libfdt itself. */ 118 119#define FDT_ERR_MAX 13 120 121/**********************************************************************/ 122/* Low-level functions (you probably don't need these) */ 123/**********************************************************************/ 124 |
| 125const void *fdt_offset_ptr(const void *fdt, int offset, int checklen); | 125const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int checklen); |
| 126static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen) 127{ 128 return (void *)(uintptr_t)fdt_offset_ptr(fdt, offset, checklen); 129} 130 131uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset); 132 133/**********************************************************************/ --- 17 unchanged lines hidden (view full) --- 151#define fdt_last_comp_version(fdt) (fdt_get_header(fdt, last_comp_version)) 152#define fdt_boot_cpuid_phys(fdt) (fdt_get_header(fdt, boot_cpuid_phys)) 153#define fdt_size_dt_strings(fdt) (fdt_get_header(fdt, size_dt_strings)) 154#define fdt_size_dt_struct(fdt) (fdt_get_header(fdt, size_dt_struct)) 155 156#define __fdt_set_hdr(name) \ 157 static inline void fdt_set_##name(void *fdt, uint32_t val) \ 158 { \ | 126static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen) 127{ 128 return (void *)(uintptr_t)fdt_offset_ptr(fdt, offset, checklen); 129} 130 131uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset); 132 133/**********************************************************************/ --- 17 unchanged lines hidden (view full) --- 151#define fdt_last_comp_version(fdt) (fdt_get_header(fdt, last_comp_version)) 152#define fdt_boot_cpuid_phys(fdt) (fdt_get_header(fdt, boot_cpuid_phys)) 153#define fdt_size_dt_strings(fdt) (fdt_get_header(fdt, size_dt_strings)) 154#define fdt_size_dt_struct(fdt) (fdt_get_header(fdt, size_dt_struct)) 155 156#define __fdt_set_hdr(name) \ 157 static inline void fdt_set_##name(void *fdt, uint32_t val) \ 158 { \ |
| 159 struct fdt_header *fdth = fdt; \ | 159 struct fdt_header *fdth = (struct fdt_header*)fdt; \ |
| 160 fdth->name = cpu_to_fdt32(val); \ 161 } 162__fdt_set_hdr(magic); 163__fdt_set_hdr(totalsize); 164__fdt_set_hdr(off_dt_struct); 165__fdt_set_hdr(off_dt_strings); 166__fdt_set_hdr(off_mem_rsvmap); 167__fdt_set_hdr(version); --- 170 unchanged lines hidden (view full) --- 338 * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag 339 * -FDT_ERR_BADMAGIC, 340 * -FDT_ERR_BADVERSION, 341 * -FDT_ERR_BADSTATE, standard meanings 342 */ 343const char *fdt_get_name(const void *fdt, int nodeoffset, int *lenp); 344 345/** | 160 fdth->name = cpu_to_fdt32(val); \ 161 } 162__fdt_set_hdr(magic); 163__fdt_set_hdr(totalsize); 164__fdt_set_hdr(off_dt_struct); 165__fdt_set_hdr(off_dt_strings); 166__fdt_set_hdr(off_mem_rsvmap); 167__fdt_set_hdr(version); --- 170 unchanged lines hidden (view full) --- 338 * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag 339 * -FDT_ERR_BADMAGIC, 340 * -FDT_ERR_BADVERSION, 341 * -FDT_ERR_BADSTATE, standard meanings 342 */ 343const char *fdt_get_name(const void *fdt, int nodeoffset, int *lenp); 344 345/** |
| 346 * fdt_get_property_namelen - find a property based on substring 347 * @fdt: pointer to the device tree blob 348 * @nodeoffset: offset of the node whose property to find 349 * @name: name of the property to find 350 * @namelen: number of characters of name to consider 351 * @lenp: pointer to an integer variable (will be overwritten) or NULL 352 * 353 * Identical to fdt_get_property_namelen(), but only examine the first 354 * namelen characters of name for matching the property name. 355 */ 356const struct fdt_property *fdt_get_property_namelen(const void *fdt, 357 int nodeoffset, 358 const char *name, 359 int namelen, int *lenp); 360 361/** |
|
| 346 * fdt_get_property - find a given property in a given node 347 * @fdt: pointer to the device tree blob 348 * @nodeoffset: offset of the node whose property to find 349 * @name: name of the property to find 350 * @lenp: pointer to an integer variable (will be overwritten) or NULL 351 * 352 * fdt_get_property() retrieves a pointer to the fdt_property 353 * structure within the device tree blob corresponding to the property --- 21 unchanged lines hidden (view full) --- 375 const char *name, 376 int *lenp) 377{ 378 return (struct fdt_property *)(uintptr_t) 379 fdt_get_property(fdt, nodeoffset, name, lenp); 380} 381 382/** | 362 * fdt_get_property - find a given property in a given node 363 * @fdt: pointer to the device tree blob 364 * @nodeoffset: offset of the node whose property to find 365 * @name: name of the property to find 366 * @lenp: pointer to an integer variable (will be overwritten) or NULL 367 * 368 * fdt_get_property() retrieves a pointer to the fdt_property 369 * structure within the device tree blob corresponding to the property --- 21 unchanged lines hidden (view full) --- 391 const char *name, 392 int *lenp) 393{ 394 return (struct fdt_property *)(uintptr_t) 395 fdt_get_property(fdt, nodeoffset, name, lenp); 396} 397 398/** |
| 399 * fdt_getprop_namelen - get property value based on substring 400 * @fdt: pointer to the device tree blob 401 * @nodeoffset: offset of the node whose property to find 402 * @name: name of the property to find 403 * @namelen: number of characters of name to consider 404 * @lenp: pointer to an integer variable (will be overwritten) or NULL 405 * 406 * Identical to fdt_getprop(), but only examine the first namelen 407 * characters of name for matching the property name. 408 */ 409const void *fdt_getprop_namelen(const void *fdt, int nodeoffset, 410 const char *name, int namelen, int *lenp); 411 412/** |
|
| 383 * fdt_getprop - retrieve the value of a given property 384 * @fdt: pointer to the device tree blob 385 * @nodeoffset: offset of the node whose property to find 386 * @name: name of the property to find 387 * @lenp: pointer to an integer variable (will be overwritten) or NULL 388 * 389 * fdt_getprop() retrieves a pointer to the value of the property 390 * named 'name' of the node at offset nodeoffset (this will be a --- 33 unchanged lines hidden (view full) --- 424 * 425 * returns: 426 * the phandle of the node at nodeoffset, on success (!= 0, != -1) 427 * 0, if the node has no phandle, or another error occurs 428 */ 429uint32_t fdt_get_phandle(const void *fdt, int nodeoffset); 430 431/** | 413 * fdt_getprop - retrieve the value of a given property 414 * @fdt: pointer to the device tree blob 415 * @nodeoffset: offset of the node whose property to find 416 * @name: name of the property to find 417 * @lenp: pointer to an integer variable (will be overwritten) or NULL 418 * 419 * fdt_getprop() retrieves a pointer to the value of the property 420 * named 'name' of the node at offset nodeoffset (this will be a --- 33 unchanged lines hidden (view full) --- 454 * 455 * returns: 456 * the phandle of the node at nodeoffset, on success (!= 0, != -1) 457 * 0, if the node has no phandle, or another error occurs 458 */ 459uint32_t fdt_get_phandle(const void *fdt, int nodeoffset); 460 461/** |
| 462 * fdt_get_alias_namelen - get alias based on substring 463 * @fdt: pointer to the device tree blob 464 * @name: name of the alias th look up 465 * @namelen: number of characters of name to consider 466 * 467 * Identical to fdt_get_alias(), but only examine the first namelen 468 * characters of name for matching the alias name. 469 */ 470const char *fdt_get_alias_namelen(const void *fdt, 471 const char *name, int namelen); 472 473/** 474 * fdt_get_alias - retreive the path referenced by a given alias 475 * @fdt: pointer to the device tree blob 476 * @name: name of the alias th look up 477 * 478 * fdt_get_alias() retrieves the value of a given alias. That is, the 479 * value of the property named 'name' in the node /aliases. 480 * 481 * returns: 482 * a pointer to the expansion of the alias named 'name', of it exists 483 * NULL, if the given alias or the /aliases node does not exist 484 */ 485const char *fdt_get_alias(const void *fdt, const char *name); 486 487/** |
|
| 432 * fdt_get_path - determine the full path of a node 433 * @fdt: pointer to the device tree blob 434 * @nodeoffset: offset of the node whose path to find 435 * @buf: character buffer to contain the returned path (will be overwritten) 436 * @buflen: size of the character buffer at buf 437 * 438 * fdt_get_path() computes the full path of the node at offset 439 * nodeoffset, and records that path in the buffer at buf. --- 637 unchanged lines hidden --- | 488 * fdt_get_path - determine the full path of a node 489 * @fdt: pointer to the device tree blob 490 * @nodeoffset: offset of the node whose path to find 491 * @buf: character buffer to contain the returned path (will be overwritten) 492 * @buflen: size of the character buffer at buf 493 * 494 * fdt_get_path() computes the full path of the node at offset 495 * nodeoffset, and records that path in the buffer at buf. --- 637 unchanged lines hidden --- |