diff options
Diffstat (limited to 'include/linux/of_address.h')
| -rw-r--r-- | include/linux/of_address.h | 71 |
1 files changed, 41 insertions, 30 deletions
diff --git a/include/linux/of_address.h b/include/linux/of_address.h index eac7ab109df4..45598dbec269 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -6,25 +6,34 @@ #include <linux/of.h> #include <linux/io.h> +struct of_bus; + struct of_pci_range_parser { struct device_node *node; + struct of_bus *bus; const __be32 *range; const __be32 *end; - int np; + int na; + int ns; int pna; bool dma; }; +#define of_range_parser of_pci_range_parser struct of_pci_range { - u32 pci_space; - u64 pci_addr; + union { + u64 pci_addr; + u64 bus_addr; + }; u64 cpu_addr; u64 size; u32 flags; }; +#define of_range of_pci_range #define for_each_of_pci_range(parser, range) \ for (; of_pci_range_parser_one(parser, range);) +#define for_each_of_range for_each_of_pci_range /* Translate a DMA address from device space to CPU space */ extern u64 of_translate_dma_address(struct device_node *dev, @@ -42,8 +51,8 @@ void __iomem *of_io_request_and_map(struct device_node *device, * 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); +extern const __be32 *__of_get_address(struct device_node *dev, int index, int bar_no, + u64 *size, unsigned int *flags); extern int of_pci_range_parser_init(struct of_pci_range_parser *parser, struct device_node *node); @@ -52,6 +61,11 @@ extern int of_pci_dma_range_parser_init(struct of_pci_range_parser *parser, extern struct of_pci_range *of_pci_range_parser_one( struct of_pci_range_parser *parser, struct of_pci_range *range); +extern int of_pci_address_to_resource(struct device_node *dev, int bar, + struct resource *r); +extern int of_pci_range_to_resource(struct of_pci_range *range, + struct device_node *np, + struct resource *res); extern bool of_dma_is_coherent(struct device_node *np); #else /* CONFIG_OF_ADDRESS */ static inline void __iomem *of_io_request_and_map(struct device_node *device, @@ -66,8 +80,8 @@ static inline u64 of_translate_address(struct device_node *np, return OF_BAD_ADDR; } -static inline const __be32 *of_get_address(struct device_node *dev, int index, - u64 *size, unsigned int *flags) +static inline const __be32 *__of_get_address(struct device_node *dev, int index, int bar_no, + u64 *size, unsigned int *flags) { return NULL; } @@ -91,6 +105,19 @@ static inline struct of_pci_range *of_pci_range_parser_one( return NULL; } +static inline int of_pci_address_to_resource(struct device_node *dev, int bar, + struct resource *r) +{ + return -ENOSYS; +} + +static inline int of_pci_range_to_resource(struct of_pci_range *range, + struct device_node *np, + struct resource *res) +{ + return -ENOSYS; +} + static inline bool of_dma_is_coherent(struct device_node *np) { return false; @@ -113,34 +140,18 @@ static inline void __iomem *of_iomap(struct device_node *device, int index) return NULL; } #endif +#define of_range_parser_init of_pci_range_parser_init -#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); -extern int of_pci_range_to_resource(struct of_pci_range *range, - struct device_node *np, - struct resource *res); -#else /* CONFIG_OF_ADDRESS && CONFIG_PCI */ -static inline int of_pci_address_to_resource(struct device_node *dev, int bar, - struct resource *r) +static inline const __be32 *of_get_address(struct device_node *dev, int index, + u64 *size, unsigned int *flags) { - return -ENOSYS; + return __of_get_address(dev, index, -1, size, flags); } -static inline const __be32 *of_get_pci_address(struct device_node *dev, - int bar_no, u64 *size, unsigned int *flags) +static inline const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, + u64 *size, unsigned int *flags) { - return NULL; + return __of_get_address(dev, -1, bar_no, size, flags); } -static inline int of_pci_range_to_resource(struct of_pci_range *range, - struct device_node *np, - struct resource *res) -{ - return -ENOSYS; -} -#endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */ #endif /* __OF_ADDRESS_H */ - |