コード例 #1
0
ファイル: of_platform.c プロジェクト: 03199618/linux
static int of_pci_phb_probe(struct platform_device *dev)
{
	struct pci_controller *phb;

	/* Check if we can do that ... */
	if (ppc_md.pci_setup_phb == NULL)
		return -ENODEV;

	pr_info("Setting up PCI bus %s\n", dev->dev.of_node->full_name);

	/* Alloc and setup PHB data structure */
	phb = pcibios_alloc_controller(dev->dev.of_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->dev.of_node, 0);

	/* Init pci_dn data structures */
	pci_devs_phb_init_dynamic(phb);

	/* Create EEH devices for the PHB */
	eeh_dev_phb_init_dynamic(phb);

	/* Register devices with EEH */
	if (dev->dev.of_node->child)
		eeh_add_device_tree_early(dev->dev.of_node);

	/* Scan the bus */
	pcibios_scan_phb(phb);
	if (phb->bus == NULL)
		return -ENXIO;

	/* Claim resources. This might need some rework as well depending
	 * whether we are doing probe-only or not, like assigning unassigned
	 * resources etc...
	 */
	pcibios_claim_one_bus(phb->bus);

	/* Finish EEH setup */
	eeh_add_device_tree_late(phb->bus);

	/* Add probed PCI devices to the device model */
	pci_bus_add_devices(phb->bus);

	/* sysfs files should only be added after devices are added */
	eeh_add_sysfs_files(phb->bus);

	return 0;
}
コード例 #2
0
ファイル: rtas_pci.c プロジェクト: 1x23/unifi-gpl
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;
}
コード例 #3
0
ファイル: of_platform.c プロジェクト: 3sOx/asuswrt-merlin
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;
}
コード例 #4
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;
}