upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/lib/fdtdec_common.c

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/*
* 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;
}