18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Definitions for Device tree / OpenFirmware handling on X86 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * based on arch/powerpc/include/asm/prom.h which is 68c2ecf20Sopenharmony_ci * Copyright (C) 1996-2005 Paul Mackerras. 78c2ecf20Sopenharmony_ci */ 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci#ifndef _ASM_X86_PROM_H 108c2ecf20Sopenharmony_ci#define _ASM_X86_PROM_H 118c2ecf20Sopenharmony_ci#ifndef __ASSEMBLY__ 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci#include <linux/of.h> 148c2ecf20Sopenharmony_ci#include <linux/types.h> 158c2ecf20Sopenharmony_ci#include <linux/pci.h> 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ci#include <asm/irq.h> 188c2ecf20Sopenharmony_ci#include <linux/atomic.h> 198c2ecf20Sopenharmony_ci#include <asm/setup.h> 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_ci#ifdef CONFIG_OF 228c2ecf20Sopenharmony_ciextern int of_ioapic; 238c2ecf20Sopenharmony_ciextern u64 initial_dtb; 248c2ecf20Sopenharmony_ciextern void add_dtb(u64 data); 258c2ecf20Sopenharmony_civoid x86_of_pci_init(void); 268c2ecf20Sopenharmony_civoid x86_dtb_init(void); 278c2ecf20Sopenharmony_ci#else 288c2ecf20Sopenharmony_cistatic inline void add_dtb(u64 data) { } 298c2ecf20Sopenharmony_cistatic inline void x86_of_pci_init(void) { } 308c2ecf20Sopenharmony_cistatic inline void x86_dtb_init(void) { } 318c2ecf20Sopenharmony_ci#define of_ioapic 0 328c2ecf20Sopenharmony_ci#endif 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ciextern char cmd_line[COMMAND_LINE_SIZE]; 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_ci#endif /* __ASSEMBLY__ */ 378c2ecf20Sopenharmony_ci#endif 38