1 #include <linux/of.h> /* linux/of.h gets to determine #include ordering */
2 #ifndef _POWERPC_PROM_H
3 #define _POWERPC_PROM_H
7 * Definitions for talking to the Open Firmware PROM on
8 * Power Macintosh computers.
10 * Copyright (C) 1996-2005 Paul Mackerras.
12 * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
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.
19 #include <linux/types.h>
21 #include <asm/atomic.h>
23 #define HAVE_ARCH_DEVTREE_FIXUPS
27 * PCI <-> OF matching functions
28 * (XXX should these be here?)
32 extern int pci_device_from_OF_node(struct device_node *node,
34 extern struct device_node* pci_busdev_to_OF_node(struct pci_bus *, int);
35 extern struct device_node* pci_device_to_OF_node(struct pci_dev *);
36 extern void pci_create_OF_bus_map(void);
40 * OF address retreival & translation
43 /* Translate a DMA address from device space to CPU space */
44 extern u64 of_translate_dma_address(struct device_node *dev,
48 extern unsigned long pci_address_to_pio(phys_addr_t address);
49 #define pci_address_to_pio pci_address_to_pio
50 #endif /* CONFIG_PCI */
52 /* Parse the ibm,dma-window property of an OF node into the busno, phys and
55 void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
56 unsigned long *busno, unsigned long *phys, unsigned long *size);
58 extern void kdump_move_device_tree(void);
60 /* CPU OF node matching */
61 struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
64 struct device_node *of_find_next_cache_node(struct device_node *np);
66 /* Get the MAC address */
67 extern const void *of_get_mac_address(struct device_node *np);
70 extern int of_node_to_nid(struct device_node *device);
72 static inline int of_node_to_nid(struct device_node *device) { return 0; }
74 #define of_node_to_nid of_node_to_nid
77 * of_irq_map_pci - Resolve the interrupt for a PCI device
78 * @pdev: the device whose interrupt is to be resolved
79 * @out_irq: structure of_irq filled by this function
81 * This function resolves the PCI interrupt for a given PCI device. If a
82 * device-node exists for a given pci_dev, it will use normal OF tree
83 * walking. If not, it will implement standard swizzling and walk up the
84 * PCI tree until an device-node is found, at which point it will finish
85 * resolving using the OF tree walking.
89 extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
91 extern void of_instantiate_rtc(void);
93 /* These includes are put at the bottom because they may contain things
94 * that are overridden by this file. Ideally they shouldn't be included
95 * by this file, but there are a bunch of .c files that currently depend
96 * on it. Eventually they will be cleaned up. */
97 #include <linux/of_fdt.h>
98 #include <linux/of_address.h>
99 #include <linux/of_irq.h>
100 #include <linux/platform_device.h>
102 #endif /* __KERNEL__ */
103 #endif /* _POWERPC_PROM_H */