struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
{
struct device_node *root = of_find_node_by_path("/");
unsigned int root_size_cells = 0;
struct pci_controller *phb;
int primary;
root_size_cells = prom_n_size_cells(root);
primary = list_empty(&hose_list);
phb = pcibios_alloc_controller(dn);
if (!phb)
return NULL;
setup_phb(dn, phb, root_size_cells);
pci_process_bridge_OF_ranges(phb, dn, primary);
pci_setup_phb_io_dynamic(phb, primary);
of_node_put(root);
pci_devs_phb_init_dynamic(phb);
scan_phb(phb);
return phb;
}
static int __devinit of_pci_phb_probe(struct of_device *dev,
const struct of_device_id *match)
{
struct pci_controller *phb;
/* Check if we can do that ... */
if (ppc_md.pci_setup_phb == NULL)
return -ENODEV;
printk(KERN_INFO "Setting up PCI bus %s\n", dev->node->full_name);
/* Alloc and setup PHB data structure */
phb = pcibios_alloc_controller(dev->node);
if (!phb)
return -ENODEV;
/* Setup parent in sysfs */
phb->parent = &dev->dev;
/* Setup the PHB using arch provided callback */
if (ppc_md.pci_setup_phb(phb)) {
pcibios_free_controller(phb);
return -ENODEV;
}
/* Process "ranges" property */
pci_process_bridge_OF_ranges(phb, dev->node, 0);
/* Setup IO space. We use the non-dynamic version of that code here,
* which doesn't quite support unplugging. Next kernel release will
* have a better fix for this.
* Note also that we don't do ISA, this will also be fixed with a
* more massive rework.
*/
pci_setup_phb_io(phb, pci_io_base == 0);
/* Init pci_dn data structures */
pci_devs_phb_init_dynamic(phb);
/* Register devices with EEH */
#ifdef CONFIG_EEH
if (dev->node->child)
eeh_add_device_tree_early(dev->node);
#endif /* CONFIG_EEH */
/* Scan the bus */
scan_phb(phb);
/* Claim resources. This might need some rework as well depending
* wether we are doing probe-only or not, like assigning unassigned
* resources etc...
*/
pcibios_claim_one_bus(phb->bus);
/* Finish EEH setup */
#ifdef CONFIG_EEH
eeh_add_device_tree_late(phb->bus);
#endif
/* Add probed PCI devices to the device model */
pci_bus_add_devices(phb->bus);
return 0;
}
static int __devinit of_pci_phb_probe(struct of_device *dev,
const struct of_device_id *match)
{
struct pci_controller *phb;
/* Check if we can do that ... */
if (ppc_md.pci_setup_phb == NULL)
return -ENODEV;
printk(KERN_INFO "Setting up PCI bus %s\n", dev->node->full_name);
/* Alloc and setup PHB data structure */
phb = pcibios_alloc_controller(dev->node);
if (!phb)
return -ENODEV;
/* Setup parent in sysfs */
phb->parent = &dev->dev;
/* Setup the PHB using arch provided callback */
if (ppc_md.pci_setup_phb(phb)) {
pcibios_free_controller(phb);
return -ENODEV;
}
/* Process "ranges" property */
pci_process_bridge_OF_ranges(phb, dev->node, 0);
/* Setup IO space.
* This will not work properly for ISA IOs, something needs to be done
* about it if we ever generalize that way of probing PCI brigdes
*/
pci_setup_phb_io_dynamic(phb, 0);
/* Init pci_dn data structures */
pci_devs_phb_init_dynamic(phb);
/* Register devices with EEH */
#ifdef CONFIG_EEH
if (dev->node->child)
eeh_add_device_tree_early(dev->node);
#endif /* CONFIG_EEH */
/* Scan the bus */
scan_phb(phb);
/* Claim resources. This might need some rework as well depending
* wether we are doing probe-only or not, like assigning unassigned
* resources etc...
*/
pcibios_claim_one_bus(phb->bus);
/* Finish EEH setup */
#ifdef CONFIG_EEH
eeh_add_device_tree_late(phb->bus);
#endif
/* Add probed PCI devices to the device model */
pci_bus_add_devices(phb->bus);
return 0;
}
