X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fpci-bridge.h;h=d8bdc79db12e2767b1dec66cf74a530975fb8f49;hb=07232b971577442de0821afa0abafb6531b6192e;hp=7a00b8e388ec53869b5485bf535423cdcf14138e;hpb=38805e5f096162867a70c7468c654d7f9bb507da;p=linux-2.6 diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h index 7a00b8e388..d8bdc79db1 100644 --- a/include/asm-powerpc/pci-bridge.h +++ b/include/asm-powerpc/pci-bridge.h @@ -45,10 +45,17 @@ struct pci_controller { * on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS * to determine which bus number to match on when generating type0 * config cycles + * NO_PCIE_LINK - the Freescale PCI-e controllers have issues with + * hanging if we don't have link and try to do config cycles to + * anything but the PHB. Only allow talking to the PHB if this is + * set. + * BIG_ENDIAN - cfg_addr is a big endian register */ #define PPC_INDIRECT_TYPE_SET_CFG_TYPE (0x00000001) #define PPC_INDIRECT_TYPE_EXT_REG (0x00000002) #define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS (0x00000004) +#define PPC_INDIRECT_TYPE_NO_PCIE_LINK (0x00000008) +#define PPC_INDIRECT_TYPE_BIG_ENDIAN (0x00000010) u32 indirect_type; /* Currently, we limit ourselves to 1 IO range and 3 mem @@ -64,6 +71,14 @@ static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus) return bus->sysdata; } +static inline int isa_vaddr_is_ioport(void __iomem *address) +{ + /* No specific ISA handling on ppc32 at this stage, it + * all goes through PCI + */ + return 0; +} + /* 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, @@ -82,11 +97,12 @@ int early_write_config_dword(struct pci_controller *hose, int bus, int dev_fn, extern int early_find_capability(struct pci_controller *hose, int bus, int dev_fn, int cap); -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); + resource_size_t cfg_addr, + resource_size_t cfg_data, u32 flags); extern void setup_grackle(struct pci_controller *hose); +extern void __init update_bridge_resource(struct pci_dev *dev, + struct resource *res); #else @@ -230,10 +246,16 @@ static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus) return PCI_DN(busdn)->phb; } -extern void pcibios_free_controller(struct pci_controller *phb); extern void isa_bridge_find_early(struct pci_controller *hose); +static inline int isa_vaddr_is_ioport(void __iomem *address) +{ + /* Check if address hits the reserved legacy IO range */ + unsigned long ea = (unsigned long)address; + return ea >= ISA_IO_BASE && ea < ISA_IO_END; +} + extern int pcibios_unmap_io_space(struct pci_bus *bus); extern int pcibios_map_io_space(struct pci_bus *bus); @@ -259,16 +281,23 @@ extern void pci_process_bridge_OF_ranges(struct pci_controller *hose, struct device_node *dev, int primary); -/* Allocate a new PCI host bridge structure */ +/* Allocate & free a PCI host bridge structure */ extern struct pci_controller * pcibios_alloc_controller(struct device_node *dev); +extern void pcibios_free_controller(struct pci_controller *phb); + #ifdef CONFIG_PCI extern unsigned long pci_address_to_pio(phys_addr_t address); +extern int pcibios_vaddr_is_ioport(void __iomem *address); #else static inline unsigned long pci_address_to_pio(phys_addr_t address) { return (unsigned long)-1; } +static inline int pcibios_vaddr_is_ioport(void __iomem *address) +{ + return 0; +} #endif