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Grant Likely6b884a82010-06-08 07:48:09 -06001#ifndef __OF_ADDRESS_H
2#define __OF_ADDRESS_H
3#include <linux/ioport.h>
Grant Likely99ce39e2011-07-05 23:42:37 -06004#include <linux/errno.h>
Grant Likely6b884a82010-06-08 07:48:09 -06005#include <linux/of.h>
6
Sebastian Andrzej Siewior0131d892010-12-01 10:54:46 +01007extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
Grant Likely1f5bef32010-06-08 07:48:09 -06008extern int of_address_to_resource(struct device_node *dev, int index,
9 struct resource *r);
Grant Likely90e33f62011-07-05 23:42:28 -060010extern 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);
Grant Likely6b884a82010-06-08 07:48:09 -060014extern void __iomem *of_iomap(struct device_node *device, int index);
15
Grant Likely22ae7822010-07-29 11:49:01 -060016/* 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 */
20extern const u32 *of_get_address(struct device_node *dev, int index,
21 u64 *size, unsigned int *flags);
22
23#ifndef pci_address_to_pio
24static 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
Sebastian Andrzej Siewior0131d892010-12-01 10:54:46 +010029extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no,
Grant Likely22ae7822010-07-29 11:49:01 -060030 u64 *size, unsigned int *flags);
31extern int of_pci_address_to_resource(struct device_node *dev, int bar,
32 struct resource *r);
33#else /* CONFIG_PCI */
34static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
35 struct resource *r)
36{
37 return -ENOSYS;
38}
39
Sebastian Andrzej Siewior0131d892010-12-01 10:54:46 +010040static inline const __be32 *of_get_pci_address(struct device_node *dev,
Grant Likely22ae7822010-07-29 11:49:01 -060041 int bar_no, u64 *size, unsigned int *flags)
42{
43 return NULL;
44}
45#endif /* CONFIG_PCI */
46
47
Grant Likely6b884a82010-06-08 07:48:09 -060048#endif /* __OF_ADDRESS_H */
49