void __init pcibios_init(void)
{
struct pci_channel *p;
struct pci_bus *bus;
int busno;
#ifdef CONFIG_PCI_AUTO
/* assign resources */
busno=0;
for (p= mips_pci_channels; p->pci_ops != NULL; p++) {
busno = pciauto_assign_resources(busno, p) + 1;
}
#endif
/* scan the buses */
busno = 0;
for (p= mips_pci_channels; p->pci_ops != NULL; p++) {
bus = pci_scan_bus(busno, p->pci_ops, p);
busno = bus->subordinate+1;
}
/* machine dependent fixups */
pcibios_fixup();
/* fixup irqs (board specific routines) */
pcibios_fixup_irqs();
}
static int __init pcibios_init(void)
{
struct pci_channel *p;
struct pci_bus *bus;
int busno;
#if 1
/* assign resources */
busno = 0;
for (p = board_pci_channels; p->pci_ops != NULL; p++) {
busno = pciauto_assign_resources(busno, p) + 1;
}
#endif
/* scan the buses */
busno = 0;
for (p= board_pci_channels; p->pci_ops != NULL; p++) {
bus = pci_scan_bus(busno, p->pci_ops, p);
busno = bus->subordinate+1;
}
/* board-specific fixups */
pcibios_fixup_irqs();
return 0;
}
void __init pcibios_init(void)
{
struct pci_channel *p;
struct pci_bus *bus;
int busno;
/* assign resources */
busno=0;
for (p= mips_pci_channels; p->pci_ops != NULL; p++) {
busno = pciauto_assign_resources(busno, p) + 1;
}
/* scan the buses */
busno = 0;
for (p= mips_pci_channels; p->pci_ops != NULL; p++) {
bus = pci_scan_bus(busno, p->pci_ops, p);
busno = bus->subordinate+1;
}
/* fixup irqs (board specific routines) */
pcibios_fixup_irqs();
/*
* should we do a fixup of ioport_resource and iomem_resource
* based on mips_pci_channels?
* Let us wait and see if this is a common need and whether there
* are exceptions. Until then, each board should adjust them
* perhaps in their setup() function.
*/
}
/*
* Initialization. Try all known PCI access methods. Note that we support
* using both PCI BIOS and direct access: in such cases, we use I/O ports
* to access config space, but we still keep BIOS order of cards to be
* compatible with 2.0.X. This should go away some day.
*/
static int __init pcibios_init(void)
{
ioport_resource.start = 0xA0000000;
ioport_resource.end = 0xDFFFFFFF;
iomem_resource.start = 0xA0000000;
iomem_resource.end = 0xDFFFFFFF;
if (insert_resource(&iomem_resource, &pci_iomem_resource) < 0)
panic("Unable to insert PCI IOMEM resource\n");
if (insert_resource(&ioport_resource, &pci_ioport_resource) < 0)
panic("Unable to insert PCI IOPORT resource\n");
if (!pci_probe)
return 0;
if (pci_check_direct() < 0) {
printk(KERN_WARNING "PCI: No PCI bus detected\n");
return 0;
}
printk(KERN_INFO "PCI: Probing PCI hardware [mempage %08x]\n",
MEM_PAGING_REG);
pci_root_bus = pci_scan_bus(0, &pci_direct_ampci, NULL);
pcibios_irq_init();
pcibios_fixup_irqs();
pcibios_resource_survey();
return 0;
}
/*
* Initialization. Try all known PCI access methods. Note that we support
* using both PCI BIOS and direct access: in such cases, we use I/O ports
* to access config space, but we still keep BIOS order of cards to be
* compatible with 2.0.X. This should go away some day.
*/
static int __init pcibios_init(void)
{
ioport_resource.start = 0xA0000000;
ioport_resource.end = 0xDFFFFFFF;
iomem_resource.start = 0xA0000000;
iomem_resource.end = 0xDFFFFFFF;
if (!pci_probe)
return 0;
if (pci_check_direct() < 0) {
printk(KERN_WARNING "PCI: No PCI bus detected\n");
return 0;
}
printk(KERN_INFO "PCI: Probing PCI hardware [mempage %08x]\n",
MEM_PAGING_REG);
{
#if 0
static struct pci_bus am33_root_bus = {
.children = LIST_HEAD_INIT(am33_root_bus.children),
.devices = LIST_HEAD_INIT(am33_root_bus.devices),
.number = 0,
.secondary = 0,
.resource = { &ioport_resource, &iomem_resource },
};
am33_root_bus.ops = pci_root_ops;
list_add_tail(&am33_root_bus.node, &pci_root_buses);
am33_root_bus.subordinate = pci_do_scan_bus(0);
pci_root_bus = &am33_root_bus;
#else
pci_root_bus = pci_scan_bus(0, &pci_direct_ampci, NULL);
#endif
}
pcibios_irq_init();
pcibios_fixup_irqs();
#if 0
pcibios_resource_survey();
#endif
return 0;
}
arch_initcall(pcibios_init);
char *__init pcibios_setup(char *str)
{
if (!strcmp(str, "off")) {
pci_probe = 0;
return NULL;
} else if (!strncmp(str, "lastbus=", 8)) {
pcibios_last_bus = simple_strtol(str+8, NULL, 0);
return NULL;
}
return str;
}
int pcibios_enable_device(struct pci_dev *dev, int mask)
{
int err;
err = pcibios_enable_resources(dev, mask);
if (err == 0)
pcibios_enable_irq(dev);
return err;
}
