diff options
Diffstat (limited to 'include/asm-ppc/pci-bridge.h')
| -rw-r--r-- | include/asm-ppc/pci-bridge.h | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/include/asm-ppc/pci-bridge.h b/include/asm-ppc/pci-bridge.h deleted file mode 100644 index 4d35b844bc58..000000000000 --- a/include/asm-ppc/pci-bridge.h +++ /dev/null @@ -1,151 +0,0 @@ -#ifdef __KERNEL__ -#ifndef _ASM_PCI_BRIDGE_H -#define _ASM_PCI_BRIDGE_H - -#include <linux/ioport.h> -#include <linux/pci.h> - -struct device_node; -struct pci_controller; - -/* - * pci_io_base returns the memory address at which you can access - * the I/O space for PCI bus number `bus' (or NULL on error). - */ -extern void __iomem *pci_bus_io_base(unsigned int bus); -extern unsigned long pci_bus_io_base_phys(unsigned int bus); -extern unsigned long pci_bus_mem_base_phys(unsigned int bus); - -/* Allocate a new PCI host bridge structure */ -extern struct pci_controller* pcibios_alloc_controller(void); - -/* Helper function for setting up resources */ -extern void pci_init_resource(struct resource *res, resource_size_t start, - resource_size_t end, int flags, char *name); - -/* Get the PCI host controller for a bus */ -extern struct pci_controller* pci_bus_to_hose(int bus); - -/* Get the PCI host controller for an OF device */ -extern struct pci_controller* -pci_find_hose_for_OF_device(struct device_node* node); - -/* Fill up host controller resources from the OF node */ -extern void -pci_process_bridge_OF_ranges(struct pci_controller *hose, - struct device_node *dev, int primary); - -/* - * Structure of a PCI controller (host bridge) - */ -struct pci_controller { - int index; /* PCI domain number */ - struct pci_controller *next; - struct pci_bus *bus; - void *arch_data; - struct device *parent; - - int first_busno; - int last_busno; - int bus_offset; - - void __iomem *io_base_virt; - resource_size_t io_base_phys; - - /* Some machines (PReP) have a non 1:1 mapping of - * the PCI memory space in the CPU bus space - */ - resource_size_t pci_mem_offset; - - struct pci_ops *ops; - volatile unsigned int __iomem *cfg_addr; - volatile void __iomem *cfg_data; - /* - * If set, indirect method will set the cfg_type bit as - * needed to generate type 1 configuration transactions. - */ - int set_cfg_type; - - /* Currently, we limit ourselves to 1 IO range and 3 mem - * ranges since the common pci_bus structure can't handle more - */ - struct resource io_resource; - struct resource mem_resources[3]; - int mem_resource_count; - - /* Host bridge I/O and Memory space - * Used for BAR placement algorithms - */ - struct resource io_space; - struct resource mem_space; -}; - -static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus) -{ - return bus->sysdata; -} - -/* These are used for config access before all the PCI probing - has been done. */ -int early_read_config_byte(struct pci_controller *hose, int bus, int dev_fn, - int where, u8 *val); -int early_read_config_word(struct pci_controller *hose, int bus, int dev_fn, - int where, u16 *val); -int early_read_config_dword(struct pci_controller *hose, int bus, int dev_fn, - int where, u32 *val); -int early_write_config_byte(struct pci_controller *hose, int bus, int dev_fn, - int where, u8 val); -int early_write_config_word(struct pci_controller *hose, int bus, int dev_fn, - int where, u16 val); -int early_write_config_dword(struct pci_controller *hose, int bus, int dev_fn, - int where, u32 val); - -extern void setup_indirect_pci_nomap(struct pci_controller* hose, - void __iomem *cfg_addr, void __iomem *cfg_data); -extern void setup_indirect_pci(struct pci_controller* hose, - u32 cfg_addr, u32 cfg_data); -extern void setup_grackle(struct pci_controller *hose); - -extern unsigned char common_swizzle(struct pci_dev *, unsigned char *); - -/* - * The following code swizzles for exactly one bridge. The routine - * common_swizzle below handles multiple bridges. But there are a - * some boards that don't follow the PCI spec's suggestion so we - * break this piece out separately. - */ -static inline unsigned char bridge_swizzle(unsigned char pin, - unsigned char idsel) -{ - return (((pin-1) + idsel) % 4) + 1; -} - -/* - * The following macro is used to lookup irqs in a standard table - * format for those PPC systems that do not already have PCI - * interrupts properly routed. - */ -/* FIXME - double check this */ -#define PCI_IRQ_TABLE_LOOKUP \ -({ long _ctl_ = -1; \ - if (idsel >= min_idsel && idsel <= max_idsel && pin <= irqs_per_slot) \ - _ctl_ = pci_irq_table[idsel - min_idsel][pin-1]; \ - _ctl_; }) - -/* - * Scan the buses below a given PCI host bridge and assign suitable - * resources to all devices found. - */ -extern int pciauto_bus_scan(struct pci_controller *, int); - -#ifdef CONFIG_PCI -extern unsigned long pci_address_to_pio(phys_addr_t address); -#else -static inline unsigned long pci_address_to_pio(phys_addr_t address) -{ - return (unsigned long)-1; -} -#endif - -#endif -#endif /* __KERNEL__ */ |