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-rw-r--r--arch/powerpc/include/asm/pci-bridge.h1
-rw-r--r--arch/powerpc/include/asm/pci.h5
-rw-r--r--arch/powerpc/kernel/pci-common.c30
-rw-r--r--arch/powerpc/kernel/pci_64.c40
4 files changed, 40 insertions, 36 deletions
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 882b6aa6c85..5d487657322 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -226,7 +226,6 @@ extern void pci_process_bridge_OF_ranges(struct pci_controller *hose,
/* Allocate & free a PCI host bridge structure */
extern struct pci_controller *pcibios_alloc_controller(struct device_node *dev);
extern void pcibios_free_controller(struct pci_controller *phb);
-extern void pcibios_setup_phb_resources(struct pci_controller *hose);
#ifdef CONFIG_PCI
extern int pcibios_vaddr_is_ioport(void __iomem *address);
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index 1c92013466e..f54b3d26ce9 100644
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -46,11 +46,6 @@ struct pci_dev;
#define pcibios_assign_all_busses() \
(pci_has_flag(PCI_REASSIGN_ALL_BUS))
-static inline void pcibios_set_master(struct pci_dev *dev)
-{
- /* No special bus mastering setup handling */
-}
-
static inline void pcibios_penalize_isa_irq(int irq, int active)
{
/* We don't do dynamic PCI IRQ allocation */
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index fa4a573d671..cce98d76e90 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1131,6 +1131,11 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
}
}
+void pcibios_set_master(struct pci_dev *dev)
+{
+ /* No special bus mastering setup handling */
+}
+
void __devinit pcibios_fixup_bus(struct pci_bus *bus)
{
/* When called from the generic PCI probe, read PCI<->PCI bridge
@@ -1560,14 +1565,13 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
return pci_enable_resources(dev, mask);
}
-void __devinit pcibios_setup_phb_resources(struct pci_controller *hose)
+static void __devinit pcibios_setup_phb_resources(struct pci_controller *hose, struct list_head *resources)
{
- struct pci_bus *bus = hose->bus;
struct resource *res;
int i;
/* Hookup PHB IO resource */
- bus->resource[0] = res = &hose->io_resource;
+ res = &hose->io_resource;
if (!res->flags) {
printk(KERN_WARNING "PCI: I/O resource not set for host"
@@ -1585,6 +1589,7 @@ void __devinit pcibios_setup_phb_resources(struct pci_controller *hose)
(unsigned long long)res->start,
(unsigned long long)res->end,
(unsigned long)res->flags);
+ pci_add_resource(resources, res);
/* Hookup PHB Memory resources */
for (i = 0; i < 3; ++i) {
@@ -1602,12 +1607,12 @@ void __devinit pcibios_setup_phb_resources(struct pci_controller *hose)
res->flags = IORESOURCE_MEM;
#endif /* CONFIG_PPC32 */
}
- bus->resource[i+1] = res;
pr_debug("PCI: PHB MEM resource %d = %016llx-%016llx [%lx]\n", i,
(unsigned long long)res->start,
(unsigned long long)res->end,
(unsigned long)res->flags);
+ pci_add_resource(resources, res);
}
pr_debug("PCI: PHB MEM offset = %016llx\n",
@@ -1701,6 +1706,7 @@ struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus)
*/
void __devinit pcibios_scan_phb(struct pci_controller *hose)
{
+ LIST_HEAD(resources);
struct pci_bus *bus;
struct device_node *node = hose->dn;
int mode;
@@ -1708,22 +1714,24 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose)
pr_debug("PCI: Scanning PHB %s\n",
node ? node->full_name : "<NO NAME>");
+ /* Get some IO space for the new PHB */
+ pcibios_setup_phb_io_space(hose);
+
+ /* Wire up PHB bus resources */
+ pcibios_setup_phb_resources(hose, &resources);
+
/* Create an empty bus for the toplevel */
- bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops, hose);
+ bus = pci_create_root_bus(hose->parent, hose->first_busno,
+ hose->ops, hose, &resources);
if (bus == NULL) {
pr_err("Failed to create bus for PCI domain %04x\n",
hose->global_number);
+ pci_free_resource_list(&resources);
return;
}
bus->secondary = hose->first_busno;
hose->bus = bus;
- /* Get some IO space for the new PHB */
- pcibios_setup_phb_io_space(hose);
-
- /* Wire up PHB bus resources */
- pcibios_setup_phb_resources(hose);
-
/* Get probe mode and perform scan */
mode = PCI_PROBE_NORMAL;
if (node && ppc_md.pci_probe_mode)
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index bcf4bf9e72d..3318d39b7d4 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -131,30 +131,13 @@ EXPORT_SYMBOL_GPL(pcibios_unmap_io_space);
#endif /* CONFIG_HOTPLUG */
-int __devinit pcibios_map_io_space(struct pci_bus *bus)
+static int __devinit pcibios_map_phb_io_space(struct pci_controller *hose)
{
struct vm_struct *area;
unsigned long phys_page;
unsigned long size_page;
unsigned long io_virt_offset;
- struct pci_controller *hose;
-
- WARN_ON(bus == NULL);
-
- /* If this not a PHB, nothing to do, page tables still exist and
- * thus HPTEs will be faulted in when needed
- */
- if (bus->self) {
- pr_debug("IO mapping for PCI-PCI bridge %s\n",
- pci_name(bus->self));
- pr_debug(" virt=0x%016llx...0x%016llx\n",
- bus->resource[0]->start + _IO_BASE,
- bus->resource[0]->end + _IO_BASE);
- return 0;
- }
- /* Get the host bridge */
- hose = pci_bus_to_host(bus);
phys_page = _ALIGN_DOWN(hose->io_base_phys, PAGE_SIZE);
size_page = _ALIGN_UP(hose->pci_io_size, PAGE_SIZE);
@@ -198,11 +181,30 @@ int __devinit pcibios_map_io_space(struct pci_bus *bus)
return 0;
}
+
+int __devinit pcibios_map_io_space(struct pci_bus *bus)
+{
+ WARN_ON(bus == NULL);
+
+ /* If this not a PHB, nothing to do, page tables still exist and
+ * thus HPTEs will be faulted in when needed
+ */
+ if (bus->self) {
+ pr_debug("IO mapping for PCI-PCI bridge %s\n",
+ pci_name(bus->self));
+ pr_debug(" virt=0x%016llx...0x%016llx\n",
+ bus->resource[0]->start + _IO_BASE,
+ bus->resource[0]->end + _IO_BASE);
+ return 0;
+ }
+
+ return pcibios_map_phb_io_space(pci_bus_to_host(bus));
+}
EXPORT_SYMBOL_GPL(pcibios_map_io_space);
void __devinit pcibios_setup_phb_io_space(struct pci_controller *hose)
{
- pcibios_map_io_space(hose->bus);
+ pcibios_map_phb_io_space(hose);
}
#define IOBASE_BRIDGE_NUMBER 0
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 06:05:52 +0000