mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-04 18:41:03 +00:00
10d887ddfa
The tool need to use fdtdec_get_child_count(), make it available for HOST_CC. Signed-off-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Punit Agrawal <punit1.agrawal@toshiba.co.jp> Reviewed-by: Simon Glass <sjg@chromium.org>
66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
// 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 <common.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;
|
|
}
|