1#include <linux/of.h>	/* linux/of.h gets to determine #include ordering */
2#ifndef _POWERPC_PROM_H
3#define _POWERPC_PROM_H
4#ifdef __KERNEL__
5
6/*
7 * Definitions for talking to the Open Firmware PROM on
8 * Power Macintosh computers.
9 *
10 * Copyright (C) 1996-2005 Paul Mackerras.
11 *
12 * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation; either version
17 * 2 of the License, or (at your option) any later version.
18 */
19#include <linux/types.h>
20#include <asm/irq.h>
21#include <linux/atomic.h>
22
23#define HAVE_ARCH_DEVTREE_FIXUPS
24
25/*
26 * OF address retreival & translation
27 */
28
29/* Translate a DMA address from device space to CPU space */
30extern u64 of_translate_dma_address(struct device_node *dev,
31				    const __be32 *in_addr);
32
33#ifdef CONFIG_PCI
34extern unsigned long pci_address_to_pio(phys_addr_t address);
35#define pci_address_to_pio pci_address_to_pio
36#endif	/* CONFIG_PCI */
37
38/* Parse the ibm,dma-window property of an OF node into the busno, phys and
39 * size parameters.
40 */
41void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
42		unsigned long *busno, unsigned long *phys, unsigned long *size);
43
44extern void kdump_move_device_tree(void);
45
46/* CPU OF node matching */
47struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
48
49/* cache lookup */
50struct device_node *of_find_next_cache_node(struct device_node *np);
51
52#ifdef CONFIG_NUMA
53extern int of_node_to_nid(struct device_node *device);
54#else
55static inline int of_node_to_nid(struct device_node *device) { return 0; }
56#endif
57#define of_node_to_nid of_node_to_nid
58
59extern void of_instantiate_rtc(void);
60
61/* These includes are put at the bottom because they may contain things
62 * that are overridden by this file.  Ideally they shouldn't be included
63 * by this file, but there are a bunch of .c files that currently depend
64 * on it.  Eventually they will be cleaned up. */
65#include <linux/of_fdt.h>
66#include <linux/of_address.h>
67#include <linux/of_irq.h>
68#include <linux/platform_device.h>
69
70#endif /* __KERNEL__ */
71#endif /* _POWERPC_PROM_H */
72