diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/setup.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 70304070a260..bcc6d24c77aa 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -461,6 +461,53 @@ static long pseries_little_endian_exceptions(void) } #endif +static void __init find_and_init_phbs(void) +{ + struct device_node *node; + struct pci_controller *phb; + struct device_node *root = of_find_node_by_path("/"); + + for_each_child_of_node(root, node) { + if (node->type == NULL || (strcmp(node->type, "pci") != 0 && + strcmp(node->type, "pciex") != 0)) + continue; + + phb = pcibios_alloc_controller(node); + if (!phb) + continue; + rtas_setup_phb(phb); + pci_process_bridge_OF_ranges(phb, node, 0); + isa_bridge_find_early(phb); + } + + of_node_put(root); + pci_devs_phb_init(); + + /* + * PCI_PROBE_ONLY and PCI_REASSIGN_ALL_BUS can be set via properties + * in chosen. + */ + if (of_chosen) { + const int *prop; + + prop = of_get_property(of_chosen, + "linux,pci-probe-only", NULL); + if (prop) { + if (*prop) + pci_add_flags(PCI_PROBE_ONLY); + else + pci_clear_flags(PCI_PROBE_ONLY); + } + +#ifdef CONFIG_PPC32 /* Will be made generic soon */ + prop = of_get_property(of_chosen, + "linux,pci-assign-all-buses", NULL); + if (prop && *prop) + pci_add_flags(PCI_REASSIGN_ALL_BUS); +#endif /* CONFIG_PPC32 */ + } +} + static void __init pSeries_setup_arch(void) { set_arch_panic_timeout(10, ARCH_PANIC_TIMEOUT); |