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 #ifdef CONFIG_OF_ADDRESS 8 extern u64 of_translate_address(struct device_node *np, const __be32 *addr); 9 extern int of_address_to_resource(struct device_node *dev, int index, 10 struct resource *r); 11 extern struct device_node *of_find_matching_node_by_address( 12 struct device_node *from, 13 const struct of_device_id *matches, 14 u64 base_address); 15 extern void __iomem *of_iomap(struct device_node *device, int index); 16 17 /* Extract an address from a device, returns the region size and 18 * the address space flags too. The PCI version uses a BAR number 19 * instead of an absolute index 20 */ 21 extern const u32 *of_get_address(struct device_node *dev, int index, 22 u64 *size, unsigned int *flags); 23 24 #ifndef pci_address_to_pio 25 static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; } 26 #define pci_address_to_pio pci_address_to_pio 27 #endif 28 29 #else /* CONFIG_OF_ADDRESS */ 30 static inline int of_address_to_resource(struct device_node *dev, int index, 31 struct resource *r) 32 { 33 return -EINVAL; 34 } 35 static inline struct device_node *of_find_matching_node_by_address( 36 struct device_node *from, 37 const struct of_device_id *matches, 38 u64 base_address) 39 { 40 return NULL; 41 } 42 static inline void __iomem *of_iomap(struct device_node *device, int index) 43 { 44 return NULL; 45 } 46 static inline const u32 *of_get_address(struct device_node *dev, int index, 47 u64 *size, unsigned int *flags) 48 { 49 return NULL; 50 } 51 #endif /* CONFIG_OF_ADDRESS */ 52 53 54 #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI) 55 extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, 56 u64 *size, unsigned int *flags); 57 extern int of_pci_address_to_resource(struct device_node *dev, int bar, 58 struct resource *r); 59 #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */ 60 static inline int of_pci_address_to_resource(struct device_node *dev, int bar, 61 struct resource *r) 62 { 63 return -ENOSYS; 64 } 65 66 static inline const __be32 *of_get_pci_address(struct device_node *dev, 67 int bar_no, u64 *size, unsigned int *flags) 68 { 69 return NULL; 70 } 71 #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */ 72 73 #endif /* __OF_ADDRESS_H */ 74 75