diff options
Diffstat (limited to 'arch/powerpc/kernel/pci_64.c')
-rw-r--r-- | arch/powerpc/kernel/pci_64.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 6b9a8564e735..bf06926f677d 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -578,99 +578,6 @@ int pci_proc_domain(struct pci_bus *bus) return hose->buid != 0; } -void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose, - struct device_node *dev, int prim) -{ - const unsigned int *ranges; - unsigned int pci_space; - unsigned long size; - int rlen = 0; - int memno = 0; - struct resource *res; - int np, na = of_n_addr_cells(dev); - unsigned long pci_addr, cpu_phys_addr; - - np = na + 5; - - /* From "PCI Binding to 1275" - * The ranges property is laid out as an array of elements, - * each of which comprises: - * cells 0 - 2: a PCI address - * cells 3 or 3+4: a CPU physical address - * (size depending on dev->n_addr_cells) - * cells 4+5 or 5+6: the size of the range - */ - ranges = of_get_property(dev, "ranges", &rlen); - if (ranges == NULL) - return; - hose->io_base_phys = 0; - while ((rlen -= np * sizeof(unsigned int)) >= 0) { - res = NULL; - pci_space = ranges[0]; - pci_addr = ((unsigned long)ranges[1] << 32) | ranges[2]; - cpu_phys_addr = of_translate_address(dev, &ranges[3]); - size = ((unsigned long)ranges[na+3] << 32) | ranges[na+4]; - ranges += np; - if (size == 0) - continue; - - /* Now consume following elements while they are contiguous */ - while (rlen >= np * sizeof(unsigned int)) { - unsigned long addr, phys; - - if (ranges[0] != pci_space) - break; - addr = ((unsigned long)ranges[1] << 32) | ranges[2]; - phys = ranges[3]; - if (na >= 2) - phys = (phys << 32) | ranges[4]; - if (addr != pci_addr + size || - phys != cpu_phys_addr + size) - break; - - size += ((unsigned long)ranges[na+3] << 32) - | ranges[na+4]; - ranges += np; - rlen -= np * sizeof(unsigned int); - } - - switch ((pci_space >> 24) & 0x3) { - case 1: /* I/O space */ - hose->io_base_phys = cpu_phys_addr - pci_addr; - /* handle from 0 to top of I/O window */ - hose->pci_io_size = pci_addr + size; - - res = &hose->io_resource; - res->flags = IORESOURCE_IO; - res->start = pci_addr; - DBG("phb%d: IO 0x%lx -> 0x%lx\n", hose->global_number, - res->start, res->start + size - 1); - break; - case 2: /* memory space */ - memno = 0; - while (memno < 3 && hose->mem_resources[memno].flags) - ++memno; - - if (memno == 0) - hose->pci_mem_offset = cpu_phys_addr - pci_addr; - if (memno < 3) { - res = &hose->mem_resources[memno]; - res->flags = IORESOURCE_MEM; - res->start = cpu_phys_addr; - DBG("phb%d: MEM 0x%lx -> 0x%lx\n", hose->global_number, - res->start, res->start + size - 1); - } - break; - } - if (res != NULL) { - res->name = dev->full_name; - res->end = res->start + size - 1; - res->parent = NULL; - res->sibling = NULL; - res->child = NULL; - } - } -} #ifdef CONFIG_HOTPLUG |