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git.odroid.com / yocto / kernel / common / c942fddf8793b2013be8c901b47d0a8dc02bf99f / . / arch / x86 / include / asm / prom.h
blob: b716d291d0d4442e688d8313a4138e4b5013a487 [file] [log] [blame]
Thomas Gleixner2874c5f2019-05-27 08:55:01 +0200[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0-or-later */
Sebastian Andrzej Siewiorda6b7372011-02-22 21:07:37 +0100[diff] [blame]2/*
3 * Definitions for Device tree / OpenFirmware handling on X86
4 *
5 * based on arch/powerpc/include/asm/prom.h which is
6 * Copyright (C) 1996-2005 Paul Mackerras.
Sebastian Andrzej Siewiorda6b7372011-02-22 21:07:37 +0100[diff] [blame]7 */
8
9#ifndef _ASM_X86_PROM_H
10#define _ASM_X86_PROM_H
11#ifndef __ASSEMBLY__
12
13#include <linux/of.h>
14#include <linux/types.h>
Sebastian Andrzej Siewior96e0a072011-02-22 21:07:42 +0100[diff] [blame]15#include <linux/pci.h>
Sebastian Andrzej Siewiorda6b7372011-02-22 21:07:37 +0100[diff] [blame]16
17#include <asm/irq.h>
Arun Sharma600634972011-07-26 16:09:06 -0700[diff] [blame]18#include <linux/atomic.h>
Sebastian Andrzej Siewiorda6b7372011-02-22 21:07:37 +0100[diff] [blame]19#include <asm/setup.h>
20
21#ifdef CONFIG_OF
Sebastian Andrzej Siewior3879a6f2011-02-22 21:07:40 +0100[diff] [blame]22extern int of_ioapic;
23extern u64 initial_dtb;
Sebastian Andrzej Siewiorda6b7372011-02-22 21:07:37 +0100[diff] [blame]24extern void add_dtb(u64 data);
Paul Gortmaker148f9bb2013-06-18 18:23:59 -0400[diff] [blame]25void x86_of_pci_init(void);
Thomas Gleixnera906fda2011-02-25 16:09:31 +0100[diff] [blame]26void x86_dtb_init(void);
Sebastian Andrzej Siewiorda6b7372011-02-22 21:07:37 +0100[diff] [blame]27#else
28static inline void add_dtb(u64 data) { }
Sebastian Andrzej Siewior96e0a072011-02-22 21:07:42 +0100[diff] [blame]29static inline void x86_of_pci_init(void) { }
Thomas Gleixnera906fda2011-02-25 16:09:31 +0100[diff] [blame]30static inline void x86_dtb_init(void) { }
Sebastian Andrzej Siewior3879a6f2011-02-22 21:07:40 +0100[diff] [blame]31#define of_ioapic 0
Sebastian Andrzej Siewiorda6b7372011-02-22 21:07:37 +0100[diff] [blame]32#endif
33
34extern char cmd_line[COMMAND_LINE_SIZE];
35
Sebastian Andrzej Siewiorda6b7372011-02-22 21:07:37 +0100[diff] [blame]36#endif /* __ASSEMBLY__ */
37#endif