powerpc: move find_and_init_phbs() to pSeries specific code
Previously, find_and_init_phbs() was used in both PowerNV and pSeries
setup. However, since RTAS support has been dropped from PowerNV, we
can move it into a platform-specific file.
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 7030407..bcc6d24 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -461,6 +461,53 @@
}
#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);