diff options
Diffstat (limited to 'arch/mips/include/asm/pci.h')
| -rw-r--r-- | arch/mips/include/asm/pci.h | 66 |
1 files changed, 27 insertions, 39 deletions
diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index 5ebf82572ec..974b0e30896 100644 --- a/arch/mips/include/asm/pci.h +++ b/arch/mips/include/asm/pci.h @@ -12,20 +12,22 @@ /* * This file essentially defines the interface between board - * specific PCI code and MIPS common PCI code. Should potentially put + * specific PCI code and MIPS common PCI code. Should potentially put * into include/asm/pci.h file. */ #include <linux/ioport.h> +#include <linux/of.h> /* - * Each pci channel is a top-level PCI bus seem by CPU. A machine with + * Each pci channel is a top-level PCI bus seem by CPU. A machine with * multiple PCI channels may have multiple PCI host controllers or a * single controller supporting multiple channels. */ struct pci_controller { struct pci_controller *next; struct pci_bus *bus; + struct device_node *of_node; struct pci_ops *pci_ops; struct resource *mem_resource; @@ -50,7 +52,6 @@ struct pci_controller { /* * Used by boards to register their PCI busses before the actual scanning. */ -extern struct pci_controller * alloc_pci_controller(void); extern void register_pci_controller(struct pci_controller *hose); /* @@ -72,16 +73,23 @@ extern unsigned long PCIBIOS_MIN_MEM; extern void pcibios_set_master(struct pci_dev *dev); -static inline void pcibios_penalize_isa_irq(int irq, int active) -{ - /* We don't do dynamic PCI IRQ allocation */ -} - #define HAVE_PCI_MMAP extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine); +#define HAVE_ARCH_PCI_RESOURCE_TO_USER + +static inline void pci_resource_to_user(const struct pci_dev *dev, int bar, + const struct resource *rsrc, resource_size_t *start, + resource_size_t *end) +{ + phys_t size = resource_size(rsrc); + + *start = fixup_bigphys_addr(rsrc->start, size); + *end = rsrc->start + size; +} + /* * Dynamic DMA mapping stuff. * MIPS has everything mapped statically. @@ -92,38 +100,17 @@ extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, #include <asm/scatterlist.h> #include <linux/string.h> #include <asm/io.h> +#include <asm-generic/pci-bridge.h> struct pci_dev; /* - * The PCI address space does equal the physical memory address space. The + * The PCI address space does equal the physical memory address space. The * networking and block device layers use this boolean for bounce buffer * decisions. This is set if any hose does not have an IOMMU. */ extern unsigned int PCI_DMA_BUS_IS_PHYS; -#ifdef CONFIG_DMA_NEED_PCI_MAP_STATE - -/* pci_unmap_{single,page} is not a nop, thus... */ -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME; -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME; -#define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME) -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL)) -#define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME) -#define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL)) - -#else /* CONFIG_DMA_NEED_PCI_MAP_STATE */ - -/* pci_unmap_{page,single} is a nop so... */ -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) -#define pci_unmap_addr(PTR, ADDR_NAME) (0) -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) -#define pci_unmap_len(PTR, LEN_NAME) (0) -#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) - -#endif /* CONFIG_DMA_NEED_PCI_MAP_STATE */ - #ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, @@ -134,12 +121,6 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, } #endif -extern void pcibios_resource_to_bus(struct pci_dev *dev, - struct pci_bus_region *region, struct resource *res); - -extern void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, - struct pci_bus_region *region); - #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index static inline int pci_proc_domain(struct pci_bus *bus) @@ -162,8 +143,15 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) return channel ? 15 : 14; } -extern int pci_probe_only; - extern char * (*pcibios_plat_setup)(char *str); +#ifdef CONFIG_OF +/* this function parses memory ranges from a device node */ +extern void pci_load_of_ranges(struct pci_controller *hose, + struct device_node *node); +#else +static inline void pci_load_of_ranges(struct pci_controller *hose, + struct device_node *node) {} +#endif + #endif /* _ASM_PCI_H */ |