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6b884a8d GL |
1 | #ifndef __OF_ADDRESS_H |
2 | #define __OF_ADDRESS_H | |
3 | #include <linux/ioport.h> | |
99ce39e3 | 4 | #include <linux/errno.h> |
6b884a8d GL |
5 | #include <linux/of.h> |
6 | ||
a850a755 | 7 | #ifdef CONFIG_OF_ADDRESS |
0131d897 | 8 | extern u64 of_translate_address(struct device_node *np, const __be32 *addr); |
5d61b165 | 9 | extern bool of_can_translate_address(struct device_node *dev); |
1f5bef30 GL |
10 | extern int of_address_to_resource(struct device_node *dev, int index, |
11 | struct resource *r); | |
90e33f62 GL |
12 | extern struct device_node *of_find_matching_node_by_address( |
13 | struct device_node *from, | |
14 | const struct of_device_id *matches, | |
15 | u64 base_address); | |
6b884a8d GL |
16 | extern void __iomem *of_iomap(struct device_node *device, int index); |
17 | ||
22ae782f GL |
18 | /* Extract an address from a device, returns the region size and |
19 | * the address space flags too. The PCI version uses a BAR number | |
20 | * instead of an absolute index | |
21 | */ | |
22 | extern const u32 *of_get_address(struct device_node *dev, int index, | |
23 | u64 *size, unsigned int *flags); | |
24 | ||
25 | #ifndef pci_address_to_pio | |
26 | static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; } | |
27 | #define pci_address_to_pio pci_address_to_pio | |
28 | #endif | |
29 | ||
a850a755 GL |
30 | #else /* CONFIG_OF_ADDRESS */ |
31 | static inline int of_address_to_resource(struct device_node *dev, int index, | |
32 | struct resource *r) | |
33 | { | |
34 | return -EINVAL; | |
35 | } | |
36 | static inline struct device_node *of_find_matching_node_by_address( | |
37 | struct device_node *from, | |
38 | const struct of_device_id *matches, | |
39 | u64 base_address) | |
40 | { | |
41 | return NULL; | |
42 | } | |
43 | static inline void __iomem *of_iomap(struct device_node *device, int index) | |
44 | { | |
45 | return NULL; | |
46 | } | |
47 | static inline const u32 *of_get_address(struct device_node *dev, int index, | |
48 | u64 *size, unsigned int *flags) | |
49 | { | |
50 | return NULL; | |
51 | } | |
52 | #endif /* CONFIG_OF_ADDRESS */ | |
53 | ||
54 | ||
55 | #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI) | |
0131d897 | 56 | extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, |
22ae782f GL |
57 | u64 *size, unsigned int *flags); |
58 | extern int of_pci_address_to_resource(struct device_node *dev, int bar, | |
59 | struct resource *r); | |
a850a755 | 60 | #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */ |
22ae782f GL |
61 | static inline int of_pci_address_to_resource(struct device_node *dev, int bar, |
62 | struct resource *r) | |
63 | { | |
64 | return -ENOSYS; | |
65 | } | |
66 | ||
0131d897 | 67 | static inline const __be32 *of_get_pci_address(struct device_node *dev, |
22ae782f GL |
68 | int bar_no, u64 *size, unsigned int *flags) |
69 | { | |
70 | return NULL; | |
71 | } | |
a850a755 | 72 | #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */ |
22ae782f | 73 | |
6b884a8d GL |
74 | #endif /* __OF_ADDRESS_H */ |
75 |