Linux_SDK_V0.9.5Linux_SDK_V0.9.5

1 files changed, 55 insertions, 0 deletions

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 <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;
+}