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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
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>
-rw-r--r--arch/microblaze/include/asm/prom.h12
-rw-r--r--arch/microblaze/kernel/head.S2
-rw-r--r--arch/powerpc/include/asm/prom.h12
-rw-r--r--include/linux/of_fdt.h26
4 files changed, 29 insertions, 23 deletions
diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index 64e8b3a8c3cf..5f461f08db11 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -17,20 +17,10 @@
#ifndef _ASM_MICROBLAZE_PROM_H
#define _ASM_MICROBLAZE_PROM_H
#ifdef __KERNEL__
-
-/* 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
-
#ifndef __ASSEMBLY__
#include <linux/types.h>
+#include <linux/of_fdt.h>
#include <linux/proc_fs.h>
#include <linux/platform_device.h>
#include <asm/irq.h>
diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index 697ce3007f30..30916193fcc7 100644
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -31,7 +31,7 @@
#include <linux/linkage.h>
#include <asm/thread_info.h>
#include <asm/page.h>
-#include <asm/prom.h> /* for OF_DT_HEADER */
+#include <linux/of_fdt.h> /* for OF_DT_HEADER */
#ifdef CONFIG_MMU
#include <asm/setup.h> /* COMMAND_LINE_SIZE */
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index c918db535f08..7181f8ac40f9 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -17,6 +17,7 @@
* 2 of the License, or (at your option) any later version.
*/
#include <linux/types.h>
+#include <linux/of_fdt.h>
#include <linux/proc_fs.h>
#include <linux/platform_device.h>
#include <asm/irq.h>
@@ -29,17 +30,6 @@
#define of_prop_cmp(s1, s2) strcmp((s1), (s2))
#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
-/* 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
-
/*
* This is what gets passed to the kernel by prom_init or kexec
*
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 */