3 #include <linux/ioport.h>
4 #include <linux/errno.h>
7 struct of_pci_range_parser
{
8 struct device_node
*node
;
23 #define for_each_of_pci_range(parser, range) \
24 for (; of_pci_range_parser_one(parser, range);)
26 static inline void of_pci_range_to_resource(struct of_pci_range
*range
,
27 struct device_node
*np
,
30 res
->flags
= range
->flags
;
31 res
->start
= range
->cpu_addr
;
32 res
->end
= range
->cpu_addr
+ range
->size
- 1;
33 res
->parent
= res
->child
= res
->sibling
= NULL
;
34 res
->name
= np
->full_name
;
37 /* Translate a DMA address from device space to CPU space */
38 extern u64
of_translate_dma_address(struct device_node
*dev
,
39 const __be32
*in_addr
);
41 #ifdef CONFIG_OF_ADDRESS
42 extern u64
of_translate_address(struct device_node
*np
, const __be32
*addr
);
43 extern bool of_can_translate_address(struct device_node
*dev
);
44 extern int of_address_to_resource(struct device_node
*dev
, int index
,
46 extern struct device_node
*of_find_matching_node_by_address(
47 struct device_node
*from
,
48 const struct of_device_id
*matches
,
50 extern void __iomem
*of_iomap(struct device_node
*device
, int index
);
52 /* Extract an address from a device, returns the region size and
53 * the address space flags too. The PCI version uses a BAR number
54 * instead of an absolute index
56 extern const __be32
*of_get_address(struct device_node
*dev
, int index
,
57 u64
*size
, unsigned int *flags
);
59 extern unsigned long pci_address_to_pio(phys_addr_t addr
);
61 extern int of_pci_range_parser_init(struct of_pci_range_parser
*parser
,
62 struct device_node
*node
);
63 extern struct of_pci_range
*of_pci_range_parser_one(
64 struct of_pci_range_parser
*parser
,
65 struct of_pci_range
*range
);
66 #else /* CONFIG_OF_ADDRESS */
67 static inline struct device_node
*of_find_matching_node_by_address(
68 struct device_node
*from
,
69 const struct of_device_id
*matches
,
75 static inline const __be32
*of_get_address(struct device_node
*dev
, int index
,
76 u64
*size
, unsigned int *flags
)
81 static inline int of_pci_range_parser_init(struct of_pci_range_parser
*parser
,
82 struct device_node
*node
)
87 static inline struct of_pci_range
*of_pci_range_parser_one(
88 struct of_pci_range_parser
*parser
,
89 struct of_pci_range
*range
)
93 #endif /* CONFIG_OF_ADDRESS */
96 extern int of_address_to_resource(struct device_node
*dev
, int index
,
98 void __iomem
*of_iomap(struct device_node
*node
, int index
);
100 static inline int of_address_to_resource(struct device_node
*dev
, int index
,
106 static inline void __iomem
*of_iomap(struct device_node
*device
, int index
)
112 #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI)
113 extern const __be32
*of_get_pci_address(struct device_node
*dev
, int bar_no
,
114 u64
*size
, unsigned int *flags
);
115 extern int of_pci_address_to_resource(struct device_node
*dev
, int bar
,
117 #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */
118 static inline int of_pci_address_to_resource(struct device_node
*dev
, int bar
,
124 static inline const __be32
*of_get_pci_address(struct device_node
*dev
,
125 int bar_no
, u64
*size
, unsigned int *flags
)
129 #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */
131 #endif /* __OF_ADDRESS_H */