1 #ifndef __OF_ADDRESS_H
2 #define __OF_ADDRESS_H
3 #include <linux/ioport.h>
4 #include <linux/errno.h>
5 #include <linux/of.h>
6
7 extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
8 extern int of_address_to_resource(struct device_node *dev, int index,
9 struct resource *r);
10 extern struct device_node *of_find_matching_node_by_address(
11 struct device_node *from,
12 const struct of_device_id *matches,
13 u64 base_address);
14 extern void __iomem *of_iomap(struct device_node *device, int index);
15
16 /* Extract an address from a device, returns the region size and
17 * the address space flags too. The PCI version uses a BAR number
18 * instead of an absolute index
19 */
20 extern const u32 *of_get_address(struct device_node *dev, int index,
21 u64 *size, unsigned int *flags);
22
23 #ifndef pci_address_to_pio
pci_address_to_pio(phys_addr_t addr)24 static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
25 #define pci_address_to_pio pci_address_to_pio
26 #endif
27
28 #ifdef CONFIG_PCI
29 extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no,
30 u64 *size, unsigned int *flags);
31 extern int of_pci_address_to_resource(struct device_node *dev, int bar,
32 struct resource *r);
33 #else /* CONFIG_PCI */
of_pci_address_to_resource(struct device_node * dev,int bar,struct resource * r)34 static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
35 struct resource *r)
36 {
37 return -ENOSYS;
38 }
39
of_get_pci_address(struct device_node * dev,int bar_no,u64 * size,unsigned int * flags)40 static inline const __be32 *of_get_pci_address(struct device_node *dev,
41 int bar_no, u64 *size, unsigned int *flags)
42 {
43 return NULL;
44 }
45 #endif /* CONFIG_PCI */
46
47
48 #endif /* __OF_ADDRESS_H */
49
50