include/asm/prom.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * Definitions for Device tree / OpenFirmware handling on X86
0004  *
0005  * based on arch/powerpc/include/asm/prom.h which is
0006  *         Copyright (C) 1996-2005 Paul Mackerras.
0007  */
0008
0009 #ifndef _ASM_X86_PROM_H
0010 #define _ASM_X86_PROM_H
0011 #ifndef __ASSEMBLY__
0012
0013 #include <linux/of.h>
0014 #include <linux/types.h>
0015 #include <linux/pci.h>
0016
0017 #include <asm/irq.h>
0018 #include <linux/atomic.h>
0019 #include <asm/setup.h>
0020
0021 #ifdef CONFIG_OF
0022 extern int of_ioapic;
0023 extern u64 initial_dtb;
0024 extern void add_dtb(u64 data);
0025 void x86_of_pci_init(void);
0026 void x86_dtb_init(void);
0027 #else
0028 static inline void add_dtb(u64 data) { }
0029 static inline void x86_of_pci_init(void) { }
0030 static inline void x86_dtb_init(void) { }
0031 #define of_ioapic 0
0032 #endif
0033
0034 extern char cmd_line[COMMAND_LINE_SIZE];
0035
0036 #endif /* __ASSEMBLY__ */
0037 #endif