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authorGrant Likely <grant.likely@secretlab.ca>2009-10-15 10:57:53 -0600
committerGrant Likely <grant.likely@secretlab.ca>2009-10-15 10:57:53 -0600
commitd8678b58708d7e6bf947ebd03eaf44baf2adfad8 (patch)
tree68890b18dff3044215b37f1132f574c1b13eb8d1 /include/linux/of_fdt.h
parent61e955db539e748cff2b8ea3bf7705259ebe9fb6 (diff)
of: add common header for flattened device tree representation
Add a common header file for working with the flattened device tree data structure and merge the shared data tags used by Microblaze and PowerPC Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Michal Simek <monstr@monstr.eu> Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'include/linux/of_fdt.h')
-rw-r--r--include/linux/of_fdt.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
new file mode 100644
index 000000000000..8b5ecc1cb6aa
--- /dev/null
+++ b/include/linux/of_fdt.h
@@ -0,0 +1,26 @@
+/*
+ * Definitions for working with the Flattened Device Tree data format
+ *
+ * Copyright 2009 Benjamin Herrenschmidt, IBM Corp
+ * benh@kernel.crashing.org
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef _LINUX_OF_FDT_H
+#define _LINUX_OF_FDT_H
+
+/* Definitions used by the flattened device tree */
+#define OF_DT_HEADER 0xd00dfeed /* marker */
+#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */
+#define OF_DT_END_NODE 0x2 /* End node */
+#define OF_DT_PROP 0x3 /* Property: name off, size,
+ * content */
+#define OF_DT_NOP 0x4 /* nop */
+#define OF_DT_END 0x9
+
+#define OF_DT_VERSION 0x10
+
+#endif /* _LINUX_OF_FDT_H */