xref: /linux/arch/x86/include/asm/prom.h (revision bfd5bb6f90af092aa345b15cd78143956a13c2a8)
1 /*
2  * Definitions for Device tree / OpenFirmware handling on X86
3  *
4  * based on arch/powerpc/include/asm/prom.h which is
5  *         Copyright (C) 1996-2005 Paul Mackerras.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version
10  * 2 of the License, or (at your option) any later version.
11  */
12 
13 #ifndef _ASM_X86_PROM_H
14 #define _ASM_X86_PROM_H
15 #ifndef __ASSEMBLY__
16 
17 #include <linux/of.h>
18 #include <linux/types.h>
19 #include <linux/pci.h>
20 
21 #include <asm/irq.h>
22 #include <linux/atomic.h>
23 #include <asm/setup.h>
24 
25 #ifdef CONFIG_OF
26 extern int of_ioapic;
27 extern u64 initial_dtb;
28 extern void add_dtb(u64 data);
29 void x86_of_pci_init(void);
30 void x86_dtb_init(void);
31 #else
32 static inline void add_dtb(u64 data) { }
33 static inline void x86_of_pci_init(void) { }
34 static inline void x86_dtb_init(void) { }
35 #define of_ioapic 0
36 #endif
37 
38 extern char cmd_line[COMMAND_LINE_SIZE];
39 
40 #endif /* __ASSEMBLY__ */
41 #endif
42