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- #ifndef __OF_ADDRESS_H
- #define __OF_ADDRESS_H
- #include <linux/ioport.h>
- #include <linux/errno.h>
- #include <linux/of.h>
- #ifdef CONFIG_OF_ADDRESS
- extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
- extern bool of_can_translate_address(struct device_node *dev);
- extern int of_address_to_resource(struct device_node *dev, int index,
- struct resource *r);
- extern struct device_node *of_find_matching_node_by_address(
- struct device_node *from,
- const struct of_device_id *matches,
- u64 base_address);
- extern void __iomem *of_iomap(struct device_node *device, int index);
- /* Extract an address from a device, returns the region size and
- * the address space flags too. The PCI version uses a BAR number
- * instead of an absolute index
- */
- extern const __be32 *of_get_address(struct device_node *dev, int index,
- u64 *size, unsigned int *flags);
- #ifndef pci_address_to_pio
- static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
- #define pci_address_to_pio pci_address_to_pio
- #endif
- #else /* CONFIG_OF_ADDRESS */
- #ifndef of_address_to_resource
- static inline int of_address_to_resource(struct device_node *dev, int index,
- struct resource *r)
- {
- return -EINVAL;
- }
- #endif
- static inline struct device_node *of_find_matching_node_by_address(
- struct device_node *from,
- const struct of_device_id *matches,
- u64 base_address)
- {
- return NULL;
- }
- #ifndef of_iomap
- static inline void __iomem *of_iomap(struct device_node *device, int index)
- {
- return NULL;
- }
- #endif
- static inline const __be32 *of_get_address(struct device_node *dev, int index,
- u64 *size, unsigned int *flags)
- {
- return NULL;
- }
- #endif /* CONFIG_OF_ADDRESS */
- #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI)
- extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no,
- u64 *size, unsigned int *flags);
- extern int of_pci_address_to_resource(struct device_node *dev, int bar,
- struct resource *r);
- #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */
- static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
- struct resource *r)
- {
- return -ENOSYS;
- }
- static inline const __be32 *of_get_pci_address(struct device_node *dev,
- int bar_no, u64 *size, unsigned int *flags)
- {
- return NULL;
- }
- #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */
- #endif /* __OF_ADDRESS_H */
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