diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/pci-bridge.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/pci.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci-common.c | 30 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci_64.c | 40 |
4 files changed, 40 insertions, 36 deletions
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 882b6aa..5d48765 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -226,7 +226,6 @@ extern void pci_process_bridge_OF_ranges(struct pci_controller *hose, /* 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); -extern void pcibios_setup_phb_resources(struct pci_controller *hose); #ifdef CONFIG_PCI extern int pcibios_vaddr_is_ioport(void __iomem *address); diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index 1c92013..f54b3d2 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -46,11 +46,6 @@ struct pci_dev; #define pcibios_assign_all_busses() \ (pci_has_flag(PCI_REASSIGN_ALL_BUS)) -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 */ diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index fa4a573..cce98d7 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1131,6 +1131,11 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus) } } +void pcibios_set_master(struct pci_dev *dev) +{ + /* No special bus mastering setup handling */ +} + void __devinit pcibios_fixup_bus(struct pci_bus *bus) { /* When called from the generic PCI probe, read PCI<->PCI bridge @@ -1560,14 +1565,13 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return pci_enable_resources(dev, mask); } -void __devinit pcibios_setup_phb_resources(struct pci_controller *hose) +static void __devinit pcibios_setup_phb_resources(struct pci_controller *hose, struct list_head *resources) { - struct pci_bus *bus = hose->bus; struct resource *res; int i; /* Hookup PHB IO resource */ - bus->resource[0] = res = &hose->io_resource; + res = &hose->io_resource; if (!res->flags) { printk(KERN_WARNING "PCI: I/O resource not set for host" @@ -1585,6 +1589,7 @@ void __devinit pcibios_setup_phb_resources(struct pci_controller *hose) (unsigned long long)res->start, (unsigned long long)res->end, (unsigned long)res->flags); + pci_add_resource(resources, res); /* Hookup PHB Memory resources */ for (i = 0; i < 3; ++i) { @@ -1602,12 +1607,12 @@ void __devinit pcibios_setup_phb_resources(struct pci_controller *hose) res->flags = IORESOURCE_MEM; #endif /* CONFIG_PPC32 */ } - bus->resource[i+1] = res; pr_debug("PCI: PHB MEM resource %d = %016llx-%016llx [%lx]\n", i, (unsigned long long)res->start, (unsigned long long)res->end, (unsigned long)res->flags); + pci_add_resource(resources, res); } pr_debug("PCI: PHB MEM offset = %016llx\n", @@ -1701,6 +1706,7 @@ struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus) */ void __devinit pcibios_scan_phb(struct pci_controller *hose) { + LIST_HEAD(resources); struct pci_bus *bus; struct device_node *node = hose->dn; int mode; @@ -1708,22 +1714,24 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose) pr_debug("PCI: Scanning PHB %s\n", node ? node->full_name : "<NO NAME>"); + /* Get some IO space for the new PHB */ + pcibios_setup_phb_io_space(hose); + + /* Wire up PHB bus resources */ + pcibios_setup_phb_resources(hose, &resources); + /* Create an empty bus for the toplevel */ - bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops, hose); + bus = pci_create_root_bus(hose->parent, hose->first_busno, + hose->ops, hose, &resources); if (bus == NULL) { pr_err("Failed to create bus for PCI domain %04x\n", hose->global_number); + pci_free_resource_list(&resources); return; } bus->secondary = hose->first_busno; hose->bus = bus; - /* Get some IO space for the new PHB */ - pcibios_setup_phb_io_space(hose); - - /* Wire up PHB bus resources */ - pcibios_setup_phb_resources(hose); - /* Get probe mode and perform scan */ mode = PCI_PROBE_NORMAL; if (node && ppc_md.pci_probe_mode) diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index bcf4bf9..3318d39 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -131,30 +131,13 @@ EXPORT_SYMBOL_GPL(pcibios_unmap_io_space); #endif /* CONFIG_HOTPLUG */ -int __devinit pcibios_map_io_space(struct pci_bus *bus) +static int __devinit pcibios_map_phb_io_space(struct pci_controller *hose) { struct vm_struct *area; unsigned long phys_page; unsigned long size_page; unsigned long io_virt_offset; - struct pci_controller *hose; - - WARN_ON(bus == NULL); - - /* If this not a PHB, nothing to do, page tables still exist and - * thus HPTEs will be faulted in when needed - */ - if (bus->self) { - pr_debug("IO mapping for PCI-PCI bridge %s\n", - pci_name(bus->self)); - pr_debug(" virt=0x%016llx...0x%016llx\n", - bus->resource[0]->start + _IO_BASE, - bus->resource[0]->end + _IO_BASE); - return 0; - } - /* Get the host bridge */ - hose = pci_bus_to_host(bus); phys_page = _ALIGN_DOWN(hose->io_base_phys, PAGE_SIZE); size_page = _ALIGN_UP(hose->pci_io_size, PAGE_SIZE); @@ -198,11 +181,30 @@ int __devinit pcibios_map_io_space(struct pci_bus *bus) return 0; } + +int __devinit pcibios_map_io_space(struct pci_bus *bus) +{ + WARN_ON(bus == NULL); + + /* If this not a PHB, nothing to do, page tables still exist and + * thus HPTEs will be faulted in when needed + */ + if (bus->self) { + pr_debug("IO mapping for PCI-PCI bridge %s\n", + pci_name(bus->self)); + pr_debug(" virt=0x%016llx...0x%016llx\n", + bus->resource[0]->start + _IO_BASE, + bus->resource[0]->end + _IO_BASE); + return 0; + } + + return pcibios_map_phb_io_space(pci_bus_to_host(bus)); +} EXPORT_SYMBOL_GPL(pcibios_map_io_space); void __devinit pcibios_setup_phb_io_space(struct pci_controller *hose) { - pcibios_map_io_space(hose->bus); + pcibios_map_phb_io_space(hose); } #define IOBASE_BRIDGE_NUMBER 0 |
