1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 2014
4 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
5 *
6 * Based on lib/fdtdec.c:
7 * Copyright (c) 2011 The Chromium OS Authors.
8 */
9
10 #ifndef USE_HOSTCC
11 #include <common.h>
12 #include <linux/libfdt.h>
13 #include <fdtdec.h>
14 #else
15 #include "libfdt.h"
16 #include "fdt_support.h"
17
18 #define debug(...)
19 #endif
20
fdtdec_get_int(const void * blob,int node,const char * prop_name,int default_val)21 int fdtdec_get_int(const void *blob, int node, const char *prop_name,
22 int default_val)
23 {
24 const int *cell;
25 int len;
26
27 debug("%s: %s: ", __func__, prop_name);
28 cell = fdt_getprop(blob, node, prop_name, &len);
29 if (cell && len >= sizeof(int)) {
30 int val = fdt32_to_cpu(cell[0]);
31
32 debug("%#x (%d)\n", val, val);
33 return val;
34 }
35 debug("(not found)\n");
36 return default_val;
37 }
38
fdtdec_get_uint(const void * blob,int node,const char * prop_name,unsigned int default_val)39 unsigned int fdtdec_get_uint(const void *blob, int node, const char *prop_name,
40 unsigned int default_val)
41 {
42 const int *cell;
43 int len;
44
45 debug("%s: %s: ", __func__, prop_name);
46 cell = fdt_getprop(blob, node, prop_name, &len);
47 if (cell && len >= sizeof(unsigned int)) {
48 unsigned int val = fdt32_to_cpu(cell[0]);
49
50 debug("%#x (%d)\n", val, val);
51 return val;
52 }
53 debug("(not found)\n");
54 return default_val;
55 }
56