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// 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;
}
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