X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fkernel%2Fpci_32.c;h=09b1e1bbb29b8420d799021f42b37d997e715696;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=b129d2e4b7598af004ad6b52d1cd82dc9f3b4a21;hpb=16cf0ec7408f389279d413869e94c1a351392f97;p=linux-2.6.git diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index b129d2e4b..09b1e1bbb 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -2,7 +2,6 @@ * Common pmac/prep/chrp pci routines. -- Cort */ -#include #include #include #include @@ -12,6 +11,7 @@ #include #include #include +#include #include #include @@ -19,7 +19,6 @@ #include #include #include -#include #include #include @@ -99,7 +98,7 @@ pcibios_fixup_resources(struct pci_dev *dev) if (!res->flags) continue; if (res->end == 0xffffffff) { - DBG("PCI:%s Resource %d [%08lx-%08lx] is unassigned\n", + DBG("PCI:%s Resource %d [%016llx-%016llx] is unassigned\n", pci_name(dev), i, res->start, res->end); res->end -= res->start; res->start = 0; @@ -117,7 +116,7 @@ pcibios_fixup_resources(struct pci_dev *dev) res->start += offset; res->end += offset; #ifdef DEBUG - printk("Fixup res %d (%lx) of dev %s: %lx -> %lx\n", + printk("Fixup res %d (%lx) of dev %s: %llx -> %llx\n", i, res->flags, pci_name(dev), res->start - offset, res->start); #endif @@ -173,18 +172,18 @@ EXPORT_SYMBOL(pcibios_bus_to_resource); * but we want to try to avoid allocating at 0x2900-0x2bff * which might have be mirrored at 0x0100-0x03ff.. */ -void pcibios_align_resource(void *data, struct resource *res, unsigned long size, - unsigned long align) +void pcibios_align_resource(void *data, struct resource *res, + resource_size_t size, resource_size_t align) { struct pci_dev *dev = data; if (res->flags & IORESOURCE_IO) { - unsigned long start = res->start; + resource_size_t start = res->start; if (size > 0x100) { printk(KERN_ERR "PCI: I/O Region %s/%d too large" - " (%ld bytes)\n", pci_name(dev), - dev->resource - res, size); + " (%lld bytes)\n", pci_name(dev), + dev->resource - res, (unsigned long long)size); } if (start & 0x300) { @@ -255,8 +254,8 @@ pcibios_allocate_bus_resources(struct list_head *bus_list) } } - DBG("PCI: bridge rsrc %lx..%lx (%lx), parent %p\n", - res->start, res->end, res->flags, pr); + DBG("PCI: bridge rsrc %llx..%llx (%lx), parent %p\n", + res->start, res->end, res->flags, pr); if (pr) { if (request_resource(pr, res) == 0) continue; @@ -306,7 +305,7 @@ reparent_resources(struct resource *parent, struct resource *res) *pp = NULL; for (p = res->child; p != NULL; p = p->sibling) { p->parent = res; - DBG(KERN_INFO "PCI: reparented %s [%lx..%lx] under %s\n", + DBG(KERN_INFO "PCI: reparented %s [%llx..%llx] under %s\n", p->name, p->start, p->end, res->name); } return 0; @@ -362,13 +361,14 @@ pci_relocate_bridge_resource(struct pci_bus *bus, int i) try = conflict->start - 1; } if (request_resource(pr, res)) { - DBG(KERN_ERR "PCI: huh? couldn't move to %lx..%lx\n", + DBG(KERN_ERR "PCI: huh? couldn't move to %llx..%llx\n", res->start, res->end); return -1; /* "can't happen" */ } update_bridge_base(bus, i); - printk(KERN_INFO "PCI: bridge %d resource %d moved to %lx..%lx\n", - bus->number, i, res->start, res->end); + printk(KERN_INFO "PCI: bridge %d resource %d moved to %llx..%llx\n", + bus->number, i, (unsigned long long)res->start, + (unsigned long long)res->end); return 0; } @@ -479,14 +479,14 @@ static inline void alloc_resource(struct pci_dev *dev, int idx) { struct resource *pr, *r = &dev->resource[idx]; - DBG("PCI:%s: Resource %d: %08lx-%08lx (f=%lx)\n", + DBG("PCI:%s: Resource %d: %016llx-%016llx (f=%lx)\n", pci_name(dev), idx, r->start, r->end, r->flags); pr = pci_find_parent_resource(dev, r); if (!pr || request_resource(pr, r) < 0) { printk(KERN_ERR "PCI: Cannot allocate resource region %d" " of device %s\n", idx, pci_name(dev)); if (pr) - DBG("PCI: parent is %p: %08lx-%08lx (f=%lx)\n", + DBG("PCI: parent is %p: %016llx-%016llx (f=%lx)\n", pr, pr->start, pr->end, pr->flags); /* We'll assign a new address later */ r->flags |= IORESOURCE_UNSET; @@ -956,7 +956,7 @@ pci_process_bridge_OF_ranges(struct pci_controller *hose, res = &hose->io_resource; res->flags = IORESOURCE_IO; res->start = ranges[2]; - DBG("PCI: IO 0x%lx -> 0x%lx\n", + DBG("PCI: IO 0x%llx -> 0x%llx\n", res->start, res->start + size - 1); break; case 2: /* memory space */ @@ -978,7 +978,7 @@ pci_process_bridge_OF_ranges(struct pci_controller *hose, if(ranges[0] & 0x40000000) res->flags |= IORESOURCE_PREFETCH; res->start = ranges[na+2]; - DBG("PCI: MEM[%d] 0x%lx -> 0x%lx\n", memno, + DBG("PCI: MEM[%d] 0x%llx -> 0x%llx\n", memno, res->start, res->start + size - 1); } break; @@ -1074,7 +1074,7 @@ do_update_p2p_io_resource(struct pci_bus *bus, int enable_vga) DBG("Remapping Bus %d, bridge: %s\n", bus->number, pci_name(bridge)); res.start -= ((unsigned long) hose->io_base_virt - isa_io_base); res.end -= ((unsigned long) hose->io_base_virt - isa_io_base); - DBG(" IO window: %08lx-%08lx\n", res.start, res.end); + DBG(" IO window: %016llx-%016llx\n", res.start, res.end); /* Set up the top and bottom of the PCI I/O segment for this bus. */ pci_read_config_dword(bridge, PCI_IO_BASE, &l); @@ -1113,9 +1113,10 @@ check_for_io_childs(struct pci_bus *bus, struct resource* res, int *found_vga) int i; int rc = 0; -#define push_end(res, size) do { unsigned long __sz = (size) ; \ - res->end = ((res->end + __sz) / (__sz + 1)) * (__sz + 1) + __sz; \ - } while (0) +#define push_end(res, mask) do { \ + BUG_ON((mask+1) & mask); \ + res->end = (res->end + mask) | mask; \ +} while (0) list_for_each_entry(dev, &bus->devices, bus_list) { u16 class = dev->class >> 8; @@ -1222,8 +1223,8 @@ do_fixup_p2p_level(struct pci_bus *bus) continue; if ((r->flags & IORESOURCE_IO) == 0) continue; - DBG("Trying to allocate from %08lx, size %08lx from parent" - " res %d: %08lx -> %08lx\n", + DBG("Trying to allocate from %016llx, size %016llx from parent" + " res %d: %016llx -> %016llx\n", res->start, res->end, i, r->start, r->end); if (allocate_resource(r, res, res->end + 1, res->start, max, @@ -1403,6 +1404,65 @@ pcibios_update_irq(struct pci_dev *dev, int irq) /* XXX FIXME - update OF device tree node interrupt property */ } +#ifdef CONFIG_PPC_MERGE +/* XXX This is a copy of the ppc64 version. This is temporary until we start + * merging the 2 PCI layers + */ +/* + * Reads the interrupt pin to determine if interrupt is use by card. + * If the interrupt is used, then gets the interrupt line from the + * openfirmware and sets it in the pci_dev and pci_config line. + */ +int pci_read_irq_line(struct pci_dev *pci_dev) +{ + struct of_irq oirq; + unsigned int virq; + + DBG("Try to map irq for %s...\n", pci_name(pci_dev)); + + /* Try to get a mapping from the device-tree */ + if (of_irq_map_pci(pci_dev, &oirq)) { + u8 line, pin; + + /* If that fails, lets fallback to what is in the config + * space and map that through the default controller. We + * also set the type to level low since that's what PCI + * interrupts are. If your platform does differently, then + * either provide a proper interrupt tree or don't use this + * function. + */ + if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_PIN, &pin)) + return -1; + if (pin == 0) + return -1; + if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_LINE, &line) || + line == 0xff) { + return -1; + } + DBG(" -> no map ! Using irq line %d from PCI config\n", line); + + virq = irq_create_mapping(NULL, line); + if (virq != NO_IRQ) + set_irq_type(virq, IRQ_TYPE_LEVEL_LOW); + } else { + DBG(" -> got one, spec %d cells (0x%08x...) on %s\n", + oirq.size, oirq.specifier[0], oirq.controller->full_name); + + virq = irq_create_of_mapping(oirq.controller, oirq.specifier, + oirq.size); + } + if(virq == NO_IRQ) { + DBG(" -> failed to map !\n"); + return -1; + } + pci_dev->irq = virq; + pci_write_config_byte(pci_dev, PCI_INTERRUPT_LINE, virq); + + return 0; +} +EXPORT_SYMBOL(pci_read_irq_line); +#endif /* CONFIG_PPC_MERGE */ + int pcibios_enable_device(struct pci_dev *dev, int mask) { u16 cmd, old_cmd; @@ -1573,8 +1633,8 @@ static pgprot_t __pci_mmap_set_pgprot(struct pci_dev *dev, struct resource *rp, else prot |= _PAGE_GUARDED; - printk("PCI map for %s:%lx, prot: %lx\n", pci_name(dev), rp->start, - prot); + printk("PCI map for %s:%llx, prot: %lx\n", pci_name(dev), + (unsigned long long)rp->start, prot); return __pgprot(prot); } @@ -1653,7 +1713,6 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, return -EINVAL; vma->vm_pgoff = offset >> PAGE_SHIFT; - vma->vm_flags |= VM_SHM | VM_LOCKED | VM_IO; vma->vm_page_prot = __pci_mmap_set_pgprot(dev, rp, vma->vm_page_prot, mmap_state, write_combine); @@ -1755,7 +1814,7 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) void pci_resource_to_user(const struct pci_dev *dev, int bar, const struct resource *rsrc, - u64 *start, u64 *end) + resource_size_t *start, resource_size_t *end) { struct pci_controller *hose = pci_bus_to_hose(dev->bus->number); unsigned long offset = 0;