Merge branch 'linux-2.6' into for-linus
[powerpc.git] / arch / powerpc / kernel / pci_64.c
index c1b1e14..80ae9ea 100644 (file)
@@ -30,6 +30,7 @@
 #include <asm/byteorder.h>
 #include <asm/machdep.h>
 #include <asm/ppc-pci.h>
+#include <asm/firmware.h>
 
 #ifdef DEBUG
 #include <asm/udbg.h>
 unsigned long pci_probe_only = 1;
 int pci_assign_all_buses = 0;
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
 static void fixup_resource(struct resource *res, struct pci_dev *dev);
 static void do_bus_setup(struct pci_bus *bus);
 static void phbs_remap_io(void);
-#endif
 
 /* pci_io_base -- the base address from which io bars are offsets.
  * This is the lowest I/O base address (so bar values are always positive),
@@ -198,8 +197,14 @@ struct pci_controller * pcibios_alloc_controller(struct device_node *dev)
        pci_setup_pci_controller(phb);
        phb->arch_data = dev;
        phb->is_dynamic = mem_init_done;
-       if (dev)
-               PHB_SET_NODE(phb, of_node_to_nid(dev));
+       if (dev) {
+               int nid = of_node_to_nid(dev);
+
+               if (nid < 0 || !node_online(nid))
+                       nid = -1;
+
+               PHB_SET_NODE(phb, nid);
+       }
        return phb;
 }
 
@@ -209,7 +214,6 @@ void pcibios_free_controller(struct pci_controller *phb)
                kfree(phb);
 }
 
-#ifndef CONFIG_PPC_ISERIES
 void __devinit pcibios_claim_one_bus(struct pci_bus *b)
 {
        struct pci_dev *dev;
@@ -238,12 +242,13 @@ static void __init pcibios_claim_of_setup(void)
 {
        struct pci_bus *b;
 
+       if (firmware_has_feature(FW_FEATURE_ISERIES))
+               return;
+
        list_for_each_entry(b, &pci_root_buses, node)
                pcibios_claim_one_bus(b);
 }
-#endif
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
 static u32 get_int_prop(struct device_node *np, const char *name, u32 def)
 {
        const u32 *prop;
@@ -498,7 +503,6 @@ void __devinit of_scan_pci_bridge(struct device_node *node,
                pci_scan_child_bus(bus);
 }
 EXPORT_SYMBOL(of_scan_pci_bridge);
-#endif /* CONFIG_PPC_MULTIPLATFORM */
 
 void __devinit scan_phb(struct pci_controller *hose)
 {
@@ -532,7 +536,7 @@ void __devinit scan_phb(struct pci_controller *hose)
        }
 
        mode = PCI_PROBE_NORMAL;
-#ifdef CONFIG_PPC_MULTIPLATFORM
+
        if (node && ppc_md.pci_probe_mode)
                mode = ppc_md.pci_probe_mode(bus);
        DBG("    probe mode: %d\n", mode);
@@ -540,7 +544,7 @@ void __devinit scan_phb(struct pci_controller *hose)
                bus->subordinate = hose->last_busno;
                of_scan_bus(node, bus);
        }
-#endif /* CONFIG_PPC_MULTIPLATFORM */
+
        if (mode == PCI_PROBE_NORMAL)
                hose->last_busno = bus->subordinate = pci_scan_child_bus(bus);
 }
@@ -554,9 +558,8 @@ static int __init pcibios_init(void)
         */
        ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot;
 
-#ifdef CONFIG_PPC_ISERIES
-       iSeries_pcibios_init(); 
-#endif
+       if (firmware_has_feature(FW_FEATURE_ISERIES))
+               iSeries_pcibios_init();
 
        printk(KERN_DEBUG "PCI: Probing PCI hardware\n");
 
@@ -566,15 +569,15 @@ static int __init pcibios_init(void)
                pci_bus_add_devices(hose->bus);
        }
 
-#ifndef CONFIG_PPC_ISERIES
-       if (pci_probe_only)
-               pcibios_claim_of_setup();
-       else
-               /* FIXME: `else' will be removed when
-                  pci_assign_unassigned_resources() is able to work
-                  correctly with [partially] allocated PCI tree. */
-               pci_assign_unassigned_resources();
-#endif /* !CONFIG_PPC_ISERIES */
+       if (!firmware_has_feature(FW_FEATURE_ISERIES)) {
+               if (pci_probe_only)
+                       pcibios_claim_of_setup();
+               else
+                       /* FIXME: `else' will be removed when
+                          pci_assign_unassigned_resources() is able to work
+                          correctly with [partially] allocated PCI tree. */
+                       pci_assign_unassigned_resources();
+       }
 
        /* Call machine dependent final fixup */
        if (ppc_md.pcibios_fixup)
@@ -585,10 +588,9 @@ static int __init pcibios_init(void)
        if (ppc64_isabridge_dev != NULL)
                printk(KERN_DEBUG "ISA bridge at %s\n", pci_name(ppc64_isabridge_dev));
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
-       /* map in PCI I/O space */
-       phbs_remap_io();
-#endif
+       if (!firmware_has_feature(FW_FEATURE_ISERIES))
+               /* map in PCI I/O space */
+               phbs_remap_io();
 
        printk(KERN_DEBUG "PCI: Probing PCI hardware done\n");
 
@@ -637,13 +639,13 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
  */
 int pci_domain_nr(struct pci_bus *bus)
 {
-#ifdef CONFIG_PPC_ISERIES
-       return 0;
-#else
-       struct pci_controller *hose = pci_bus_to_host(bus);
+       if (firmware_has_feature(FW_FEATURE_ISERIES))
+               return 0;
+       else {
+               struct pci_controller *hose = pci_bus_to_host(bus);
 
-       return hose->global_number;
-#endif
+               return hose->global_number;
+       }
 }
 
 EXPORT_SYMBOL(pci_domain_nr);
@@ -651,12 +653,12 @@ EXPORT_SYMBOL(pci_domain_nr);
 /* Decide whether to display the domain number in /proc */
 int pci_proc_domain(struct pci_bus *bus)
 {
-#ifdef CONFIG_PPC_ISERIES
-       return 0;
-#else
-       struct pci_controller *hose = pci_bus_to_host(bus);
-       return hose->buid;
-#endif
+       if (firmware_has_feature(FW_FEATURE_ISERIES))
+               return 0;
+       else {
+               struct pci_controller *hose = pci_bus_to_host(bus);
+               return hose->buid;
+       }
 }
 
 /*
@@ -865,8 +867,6 @@ void pcibios_add_platform_entries(struct pci_dev *pdev)
        device_create_file(&pdev->dev, &dev_attr_devspec);
 }
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
-
 #define ISA_SPACE_MASK 0x1
 #define ISA_SPACE_IO 0x1
 
@@ -1335,8 +1335,6 @@ struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node)
        return NULL;
 }
 
-#endif /* CONFIG_PPC_MULTIPLATFORM */
-
 unsigned long pci_address_to_pio(phys_addr_t address)
 {
        struct pci_controller *hose, *tmp;