u-boot/lib/fdtdec_common.c
Chin Liang See bfa3e55b44 lib, fdt: Adding fdtdec_get_uint function
Adding fdtdec_get_uint function which is the
unsigned version for fdtdec_get_int

Signed-off-by: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Dinh Nguyen <dinh.linux@gmail.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Stefan Roese <sr@denx.de>
Cc: Vikas Manocha <vikas.manocha@st.com>
Cc: Jagannadh Teki <jteki@openedev.com>
Cc: Pavel Machek <pavel@denx.de>
Cc: Heiko Schocher <hs@denx.de>
2015-11-05 02:34:14 +01:00

56 lines
1.1 KiB
C

/*
* Copyright (c) 2014
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
* Based on lib/fdtdec.c:
* Copyright (c) 2011 The Chromium OS Authors.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef USE_HOSTCC
#include <common.h>
#include <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;
}