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 int of_address_to_resource(struct device_node
*dev
, int index
,
45 extern struct device_node
*of_find_matching_node_by_address(
46 struct device_node
*from
,
47 const struct of_device_id
*matches
,
49 extern void __iomem
*of_iomap(struct device_node
*device
, int index
);
51 /* Extract an address from a device, returns the region size and
52 * the address space flags too. The PCI version uses a BAR number
53 * instead of an absolute index
55 extern const __be32
*of_get_address(struct device_node
*dev
, int index
,
56 u64
*size
, unsigned int *flags
);
58 extern unsigned long pci_address_to_pio(phys_addr_t addr
);
60 extern int of_pci_range_parser_init(struct of_pci_range_parser
*parser
,
61 struct device_node
*node
);
62 extern struct of_pci_range
*of_pci_range_parser_one(
63 struct of_pci_range_parser
*parser
,
64 struct of_pci_range
*range
);
65 extern int of_dma_get_range(struct device_node
*np
, u64
*dma_addr
,
66 u64
*paddr
, u64
*size
);
67 extern bool of_dma_is_coherent(struct device_node
*np
);
68 #else /* CONFIG_OF_ADDRESS */
69 static inline struct device_node
*of_find_matching_node_by_address(
70 struct device_node
*from
,
71 const struct of_device_id
*matches
,
77 static inline const __be32
*of_get_address(struct device_node
*dev
, int index
,
78 u64
*size
, unsigned int *flags
)
83 static inline int of_pci_range_parser_init(struct of_pci_range_parser
*parser
,
84 struct device_node
*node
)
89 static inline struct of_pci_range
*of_pci_range_parser_one(
90 struct of_pci_range_parser
*parser
,
91 struct of_pci_range
*range
)
96 static inline int of_dma_get_range(struct device_node
*np
, u64
*dma_addr
,
97 u64
*paddr
, u64
*size
)
102 static inline bool of_dma_is_coherent(struct device_node
*np
)
106 #endif /* CONFIG_OF_ADDRESS */
109 extern int of_address_to_resource(struct device_node
*dev
, int index
,
111 void __iomem
*of_iomap(struct device_node
*node
, int index
);
113 static inline int of_address_to_resource(struct device_node
*dev
, int index
,
119 static inline void __iomem
*of_iomap(struct device_node
*device
, int index
)
125 #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI)
126 extern const __be32
*of_get_pci_address(struct device_node
*dev
, int bar_no
,
127 u64
*size
, unsigned int *flags
);
128 extern int of_pci_address_to_resource(struct device_node
*dev
, int bar
,
130 #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */
131 static inline int of_pci_address_to_resource(struct device_node
*dev
, int bar
,
137 static inline const __be32
*of_get_pci_address(struct device_node
*dev
,
138 int bar_no
, u64
*size
, unsigned int *flags
)
142 #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */
144 #endif /* __OF_ADDRESS_H */
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