hw/device_tree.h

   1 /*
   2  * Header with function prototypes to help device tree manipulation using
   3  * libfdt. It also provides functions to read entries from device tree proc
   4  * interface.
   5  *
   6  * Copyright 2008 IBM Corporation.
   7  * Authors: Jerone Young <jyoung5@us.ibm.com>
   8  *
   9  * This work is licensed under the GNU GPL license version 2 or later.
  10  *
  11  */
  12
  13 /* device-tree proc support functions */
  14 uint32_t read_proc_dt_prop_cell(char *path_in_device_tree);
  15
  16 #ifdef CONFIG_LIBFDT
  17 /* device tree functions */
  18 void *load_device_tree(char *filename_path, target_ulong load_addr);
  19 void dump_device_tree_to_file(void *fdt, char *filename);
  20 void dt_cell(void *fdt, char *node_path, char *property,
  21                 uint32_t val);
  22 void dt_cell_multi(void *fdt, char *node_path, char *property,
  23                 uint32_t *val_array, int size);
  24 void dt_string(void *fdt, char *node_path, char *property,
  25                 char *string);
  26 #endif