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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>
hifive-unleashed-5.1
Grant Likely 2009-10-15 10:57:53 -06:00
parent 61e955db53
commit d8678b5870
4 changed files with 29 additions and 23 deletions
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12
arch/microblaze/include/asm/prom.h
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@ -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>

2
arch/microblaze/kernel/head.S
View File

@ -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 */

12
arch/powerpc/include/asm/prom.h
View File

@ -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
*

26
include/linux/of_fdt.h 100644
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@ -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 */