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prom.h
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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 */
31  const __be32 *in_addr);
32 
33 #ifdef CONFIG_PCI
34 extern 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  */
41 void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
42  unsigned long *busno, unsigned long *phys, unsigned long *size);
43 
44 extern void kdump_move_device_tree(void);
45 
46 /* CPU OF node matching */
47 struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
48 
49 /* cache lookup */
51 
52 #ifdef CONFIG_NUMA
53 extern int of_node_to_nid(struct device_node *device);
54 #else
55 static 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 
59 extern 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 */