diff options
Diffstat (limited to 'arch/powerpc/include/asm/pci.h')
| -rw-r--r-- | arch/powerpc/include/asm/pci.h | 114 |
1 files changed, 34 insertions, 80 deletions
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index a05a942b1c2..1b0739bc14b 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -22,6 +22,11 @@ #include <asm-generic/pci-dma-compat.h> +/* Return values for ppc_md.pci_probe_mode function */ +#define PCI_PROBE_NONE -1 /* Don't look at this bus at all */ +#define PCI_PROBE_NORMAL 0 /* Do normal PCI probing */ +#define PCI_PROBE_DEVTREE 1 /* Instantiate from device tree */ + #define PCIBIOS_MIN_IO 0x1000 #define PCIBIOS_MIN_MEM 0x10000000 @@ -38,19 +43,8 @@ struct pci_dev; * Set this to 1 if you want the kernel to re-assign all PCI * bus numbers (don't do that on ppc64 yet !) */ -#define pcibios_assign_all_busses() (ppc_pci_flags & \ - PPC_PCI_REASSIGN_ALL_BUS) -#define pcibios_scan_all_fns(a, b) 0 - -static inline void pcibios_set_master(struct pci_dev *dev) -{ - /* No special bus mastering setup handling */ -} - -static inline void pcibios_penalize_isa_irq(int irq, int active) -{ - /* We don't do dynamic PCI IRQ allocation */ -} +#define pcibios_assign_all_busses() \ + (pci_has_flag(PCI_REASSIGN_ALL_BUS)) #define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) @@ -60,6 +54,14 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) return channel ? 15 : 14; } +#ifdef CONFIG_PCI +extern void set_pci_dma_ops(struct dma_map_ops *dma_ops); +extern struct dma_map_ops *get_pci_dma_ops(void); +#else /* CONFIG_PCI */ +#define set_pci_dma_ops(d) +#define get_pci_dma_ops() NULL +#endif + #ifdef CONFIG_PPC64 /* @@ -70,9 +72,6 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) #define PCI_DISABLE_MWI #ifdef CONFIG_PCI -extern void set_pci_dma_ops(struct dma_mapping_ops *dma_ops); -extern struct dma_mapping_ops *get_pci_dma_ops(void); - static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, unsigned long *strategy_parameter) @@ -89,9 +88,6 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, *strat = PCI_DMA_BURST_MULTIPLE; *strategy_parameter = cacheline_size; } -#else /* CONFIG_PCI */ -#define set_pci_dma_ops(d) -#define get_pci_dma_ops() NULL #endif #else /* 32-bit */ @@ -112,7 +108,6 @@ extern int pci_domain_nr(struct pci_bus *bus); /* Decide whether to display the domain number in /proc */ extern int pci_proc_domain(struct pci_bus *bus); - struct vm_area_struct; /* Map a range of PCI memory or I/O space for a device into user space */ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, @@ -121,37 +116,15 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ #define HAVE_PCI_MMAP 1 -#if defined(CONFIG_PPC64) || defined(CONFIG_NOT_COHERENT_CACHE) -/* - * For 64-bit kernels, pci_unmap_{single,page} is not a nop. - * For 32-bit non-coherent kernels, pci_dma_sync_single_for_cpu() and - * so on are not nops. - * and 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 /* 32-bit && coherent */ - -/* 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_PPC64 || CONFIG_NOT_COHERENT_CACHE */ +extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, + size_t count); +extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, + size_t count); +extern int pci_mmap_legacy_page_range(struct pci_bus *bus, + struct vm_area_struct *vma, + enum pci_mmap_state mmap_state); + +#define HAVE_PCI_LEGACY 1 #ifdef CONFIG_PPC64 @@ -171,44 +144,22 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, #endif /* CONFIG_PPC64 */ -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); - -static inline struct resource *pcibios_select_root(struct pci_dev *pdev, - struct resource *res) -{ - struct resource *root = NULL; - - if (res->flags & IORESOURCE_IO) - root = &ioport_resource; - if (res->flags & IORESOURCE_MEM) - root = &iomem_resource; - - return root; -} - -extern void pcibios_setup_new_device(struct pci_dev *dev); - extern void pcibios_claim_one_bus(struct pci_bus *b); +extern void pcibios_finish_adding_to_bus(struct pci_bus *bus); + extern void pcibios_resource_survey(void); extern struct pci_controller *init_phb_dynamic(struct device_node *dn); +extern int remove_phb_dynamic(struct pci_controller *phb); extern struct pci_dev *of_create_pci_dev(struct device_node *node, struct pci_bus *bus, int devfn); -extern void of_scan_pci_bridge(struct device_node *node, - struct pci_dev *dev); +extern void of_scan_pci_bridge(struct pci_dev *dev); extern void of_scan_bus(struct device_node *node, struct pci_bus *bus); - -extern int pci_read_irq_line(struct pci_dev *dev); +extern void of_rescan_bus(struct device_node *node, struct pci_bus *bus); struct file; extern pgprot_t pci_phys_mem_access_prot(struct file *file, @@ -221,8 +172,11 @@ extern void pci_resource_to_user(const struct pci_dev *dev, int bar, const struct resource *rsrc, resource_size_t *start, resource_size_t *end); -extern void pcibios_do_bus_setup(struct pci_bus *bus); -extern void pcibios_fixup_of_probed_bus(struct pci_bus *bus); +extern resource_size_t pcibios_io_space_offset(struct pci_controller *hose); +extern void pcibios_setup_bus_devices(struct pci_bus *bus); +extern void pcibios_setup_bus_self(struct pci_bus *bus); +extern void pcibios_setup_phb_io_space(struct pci_controller *hose); +extern void pcibios_scan_phb(struct pci_controller *hose); #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_PCI_H */ |