1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (c) 2014
3*4882a593Smuzhiyun * Heiko Schocher, DENX Software Engineering, hs@denx.de.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Based on lib/fdtdec.c:
6*4882a593Smuzhiyun * Copyright (c) 2011 The Chromium OS Authors.
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #ifndef USE_HOSTCC
12*4882a593Smuzhiyun #include <common.h>
13*4882a593Smuzhiyun #include <linux/libfdt.h>
14*4882a593Smuzhiyun #include <fdtdec.h>
15*4882a593Smuzhiyun #else
16*4882a593Smuzhiyun #include "libfdt.h"
17*4882a593Smuzhiyun #include "fdt_support.h"
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #define debug(...)
20*4882a593Smuzhiyun #endif
21*4882a593Smuzhiyun
fdtdec_get_int(const void * blob,int node,const char * prop_name,int default_val)22*4882a593Smuzhiyun int fdtdec_get_int(const void *blob, int node, const char *prop_name,
23*4882a593Smuzhiyun int default_val)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun const int *cell;
26*4882a593Smuzhiyun int len;
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun debug("%s: %s: ", __func__, prop_name);
29*4882a593Smuzhiyun cell = fdt_getprop(blob, node, prop_name, &len);
30*4882a593Smuzhiyun if (cell && len >= sizeof(int)) {
31*4882a593Smuzhiyun int val = fdt32_to_cpu(cell[0]);
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun debug("%#x (%d)\n", val, val);
34*4882a593Smuzhiyun return val;
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun debug("(not found)\n");
37*4882a593Smuzhiyun return default_val;
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun
fdtdec_get_uint(const void * blob,int node,const char * prop_name,unsigned int default_val)40*4882a593Smuzhiyun unsigned int fdtdec_get_uint(const void *blob, int node, const char *prop_name,
41*4882a593Smuzhiyun unsigned int default_val)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun const int *cell;
44*4882a593Smuzhiyun int len;
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun debug("%s: %s: ", __func__, prop_name);
47*4882a593Smuzhiyun cell = fdt_getprop(blob, node, prop_name, &len);
48*4882a593Smuzhiyun if (cell && len >= sizeof(unsigned int)) {
49*4882a593Smuzhiyun unsigned int val = fdt32_to_cpu(cell[0]);
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun debug("%#x (%d)\n", val, val);
52*4882a593Smuzhiyun return val;
53*4882a593Smuzhiyun }
54*4882a593Smuzhiyun debug("(not found)\n");
55*4882a593Smuzhiyun return default_val;
56*4882a593Smuzhiyun }
57