int __init pci_acpi_init(void)
{
struct pci_dev *dev = NULL;
if (acpi_noirq)
return -ENODEV;
printk(KERN_INFO "PCI: Using ACPI for IRQ routing\n");
acpi_irq_penalty_init();
pcibios_enable_irq = acpi_pci_irq_enable;
pcibios_disable_irq = acpi_pci_irq_disable;
x86_init.pci.init_irq = x86_init_noop;
if (pci_routeirq) {
/*
* PCI IRQ routing is set up by pci_enable_device(), but we
* also do it here in case there are still broken drivers that
* don't use pci_enable_device().
*/
printk(KERN_INFO "PCI: Routing PCI interrupts for all devices because \"pci=routeirq\" specified\n");
for_each_pci_dev(dev)
acpi_pci_irq_enable(dev);
}
return 0;
}
static void __init cell_pcibios_fixup(void)
{
struct pci_dev *dev = NULL;
for_each_pci_dev(dev)
pci_read_irq_line(dev);
}
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;
}
/*
* pci_dev parity list iterator
*
* Scan the PCI device list looking for SERRORs, Master Parity ERRORS or
* Parity ERRORs on primary or secondary devices.
*/
static inline void edac_pci_dev_parity_iterator(pci_parity_check_fn_t fn)
{
struct pci_dev *dev = NULL;
for_each_pci_dev(dev)
fn(dev);
}
void __devinit
pci_fixup_irqs(u8 (*swizzle)(struct pci_dev *, u8 *),
int (*map_irq)(const struct pci_dev *, u8, u8))
{
struct pci_dev *dev = NULL;
for_each_pci_dev(dev)
pdev_fixup_irq(dev, swizzle, map_irq);
}
void __init mpc83xx_pcibios_fixup(void)
{
struct pci_dev *dev = NULL;
/* map all the PCI irqs */
for_each_pci_dev(dev)
pci_read_irq_line(dev);
}
static int __init pci_proc_init(void)
{
struct pci_dev *dev = NULL;
proc_bus_pci_dir = proc_mkdir("bus/pci", NULL);
proc_create("devices", 0, proc_bus_pci_dir,
&proc_bus_pci_dev_operations);
proc_initialized = 1;
for_each_pci_dev(dev)
pci_proc_attach_device(dev);
return 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;
}
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;
}
