From 43db9e00d5837c100c0b2fbbee64a08ab807d1e0 Mon Sep 17 00:00:00 2001 From: thead_admin Date: Tue, 13 Sep 2022 11:04:33 +0800 Subject: Linux_SDK_V0.9.5 --- lib/fdtdec_common.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 lib/fdtdec_common.c (limited to 'lib/fdtdec_common.c') diff --git a/lib/fdtdec_common.c b/lib/fdtdec_common.c new file mode 100644 index 00000000..088e9e90 --- /dev/null +++ b/lib/fdtdec_common.c @@ -0,0 +1,55 @@ +// 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 +#include +#include +#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; +} -- cgit v1.2.3