Ejemplo n.º 1
0
static int __init l4vpci_x86_init(void)
{
	struct pci_dev *dev = NULL;
	struct pci_bus *bus;
	struct pci_sysdata *sd = kzalloc(sizeof(*sd), GFP_KERNEL);
	if (!sd)
		return -ENOMEM;

	bus = pci_scan_bus(0, &l4vpci_ops, sd);
	if (!bus) {
		pr_err("Failed to scan PCI bus\n");
		return -ENODEV;
	}

	pci_bus_add_devices(bus);

	pr_info("l4vPCI: Using L4-IO for IRQ routing\n");

	for_each_pci_dev(dev)
		l4vpci_irq_enable(dev);

	pcibios_resource_survey();

	return 0;
}
Ejemplo n.º 2
0
int pcibios_enable_device(struct pci_dev *dev, int bars)
{
	int err;

	if ((err = pci_enable_resources(dev, bars)) < 0)
		return err;

	return l4vpci_irq_enable(dev);
}
Ejemplo n.º 3
0
struct pci_bus * __init l4vpci_scan_bus(int nr, struct pci_sys_data *sys)
{
	struct pci_bus *b;
	struct pci_dev *dev = NULL;
	b = pci_scan_root_bus(NULL, sys->busnr, &l4vpci_ops, sys,
	                      &sys->resources);
	for_each_pci_dev(dev)
		l4vpci_irq_enable(dev);

	pci_bus_add_devices(b);

	return b;
}
Ejemplo n.º 4
0
static int __init l4vpci_init(void)
{
	struct pci_dev *dev = NULL;
#ifdef CONFIG_ARM
	struct pci_sys_data *sd;
#else
	struct pci_sysdata *sd;
#endif
	int err;
	L4XV_V(f);

	vbus = l4re_get_env_cap("vbus");
	if (l4_is_invalid_cap(vbus))
		return -ENOENT;

	L4XV_L(f);

	err = l4vbus_get_device_by_hid(vbus, 0, &root_bridge, "PNP0A03", 0, 0);
	if (err < 0) {
		printk(KERN_INFO "PCI: no root bridge found, no PCI\n");
		L4XV_U(f);
		return err;
	}

	L4XV_U(f);

	printk(KERN_INFO "PCI: L4 root bridge is device %lx\n", root_bridge);

	sd = kzalloc(sizeof(*sd), GFP_KERNEL);
	if (!sd)
		return -ENOMEM;

	pci_scan_bus(0, &l4vpci_ops, sd);

	printk(KERN_INFO "PCI: Using L4-IO for IRQ routing\n");

	for_each_pci_dev(dev)
		l4vpci_irq_enable(dev);

#ifdef CONFIG_X86
	pcibios_resource_survey();
#endif

	return 0;
}