// SPDX-License-Identifier: GPL-2.0+

/*

 * Copyright (c) 2014

 * Heiko Schocher, DENX Software Engineering, hs@denx.de.

 *

 * Based on lib/fdtdec.c:

 * Copyright (c) 2011 The Chromium OS Authors.

 */

#ifndef USE_HOSTCC

#include <log.h>

#include <linux/libfdt.h>

#include <fdtdec.h>

#else

#include "libfdt.h"

#include "fdt_support.h"

#define debug(...)

#endif

int fdtdec_get_int(const void *blob, int node, const char *prop_name,

    int default_val)

{

  const int *cell;

  int len;

  debug("%s: %s: ", __func__, prop_name);

  cell = fdt_getprop(blob, node, prop_name, &len);

  if (cell && len >= sizeof(int)) {

    int val = fdt32_to_cpu(cell[0]);

    debug("%#x (%d)\n", val, val);

    return val;

  }

  debug("(not found)\n");

  return default_val;

}

unsigned int fdtdec_get_uint(const void *blob, int node, const char *prop_name,

      unsigned int default_val)

{

  const int *cell;

  int len;

  debug("%s: %s: ", __func__, prop_name);

  cell = fdt_getprop(blob, node, prop_name, &len);

  if (cell && len >= sizeof(unsigned int)) {

    unsigned int val = fdt32_to_cpu(cell[0]);

    debug("%#x (%d)\n", val, val);

    return val;

  }

  debug("(not found)\n");

  return default_val;

}

int fdtdec_get_child_count(const void *blob, int node)

{

  int subnode;

  int num = 0;

  fdt_for_each_subnode(subnode, blob, node)

    num++;

  return num;

}