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-rw-r--r--include/linux/libfdt_env.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/libfdt_env.h b/include/linux/libfdt_env.h
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+++ b/include/linux/libfdt_env.h
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+/*
+ * libfdt - Flat Device Tree manipulation (build/run environment adaptation)
+ * Copyright (C) 2007 Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
+ * Original version written by David Gibson, IBM Corporation.
+ *
+ * SPDX-License-Identifier: LGPL-2.1+
+ */
+
+#ifndef _LIBFDT_ENV_H
+#define _LIBFDT_ENV_H
+
+#include "../compiler.h"
+#include "types.h"
+
+extern struct fdt_header *working_fdt; /* Pointer to the working fdt */
+
+typedef __be16 fdt16_t;
+typedef __be32 fdt32_t;
+typedef __be64 fdt64_t;
+
+#define fdt32_to_cpu(x) be32_to_cpu(x)
+#define cpu_to_fdt32(x) cpu_to_be32(x)
+#define fdt64_to_cpu(x) be64_to_cpu(x)
+#define cpu_to_fdt64(x) cpu_to_be64(x)
+
+#ifdef __UBOOT__
+#include <vsprintf.h>
+
+#define strtoul(cp, endp, base) simple_strtoul(cp, endp, base)
+#endif
+
+/* adding a ramdisk needs 0x44 bytes in version 2008.10 */
+#define FDT_RAMDISK_OVERHEAD 0x80
+
+#endif /* _LIBFDT_ENV_H */