diff options
Diffstat (limited to 'arch/mips/ddb5074/pci.c')
| -rw-r--r-- | arch/mips/ddb5074/pci.c | 64 |
1 files changed, 53 insertions, 11 deletions
diff --git a/arch/mips/ddb5074/pci.c b/arch/mips/ddb5074/pci.c index 2fcd3fbf7..63a7271dc 100644 --- a/arch/mips/ddb5074/pci.c +++ b/arch/mips/ddb5074/pci.c @@ -5,7 +5,7 @@ * Albert Dorofeev <albert@sonycom.com> * Sony Suprastructure Center Europe (SUPC-E), Brussels * - * $Id$ + * $Id: pci.c,v 1.1 2000/01/26 00:07:44 ralf Exp $ */ #include <linux/init.h> @@ -171,13 +171,17 @@ struct pci_ops nile4_pci_ops = { }; -static void __init pcibios_claim_resources(struct pci_bus *bus) +static void __init pcibios_claim_resources(struct list_head *bus_list) { + struct list_head *ln, *dn; + struct pci_bus *bus; struct pci_dev *dev; int idx; - while (bus) { - for (dev=bus->devices; dev; dev=dev->sibling) { + for (ln = bus_list->next; ln != bus_list; ln = ln->next) { + bus = pci_bus_b(ln); + for (dn = bus->devices.next; dn != &bus->devices; dn = dn->next) { + dev = pci_dev_b(dn); for (idx = 0; idx < PCI_NUM_RESOURCES; idx++) { struct resource *r = &dev->resource[idx]; struct resource *pr; @@ -190,9 +194,7 @@ static void __init pcibios_claim_resources(struct pci_bus *bus) } } } - if (bus->children) - pcibios_claim_resources(bus->children); - bus = bus->next; + pcibios_claim_resources(&bus->children); } } @@ -202,7 +204,7 @@ void pcibios_init(void) printk("PCI: Probing PCI hardware\n"); ioport_resource.end = 0x1ffffff; pci_scan_bus(0, &nile4_pci_ops, NULL); - pcibios_claim_resources(pci_root); + pcibios_claim_resources(&pci_root_buses); #if 0 { @@ -224,16 +226,19 @@ void pcibios_init(void) void pcibios_fixup_bus(struct pci_bus *bus) { + struct list_head *dn; struct pci_dev *dev; extern struct pci_dev *pci_pmu; /* for LEDs D2 and D3 */ + int slot_num, func_num; u8 t8; /* * FIXME: PMON doesn't autoconfigure the PCI devices * For now we just hardcode them for our configuration */ - for (dev = bus->devices; dev; dev = dev->sibling) { - int slot_num, func_num; + printk("PCI: Configuring PCI devices (hardcoded)\n"); + for (dn = bus->devices.next; dn != &bus->devices; dn = dn->next) { + dev = pci_dev_b(dn); slot_num = PCI_SLOT(dev->devfn); func_num = PCI_FUNC(dev->devfn); @@ -277,7 +282,7 @@ void pcibios_fixup_bus(struct pci_bus *bus) break; case 4: printk("[slot 3] Promise Technology IDE UltraDMA/33"); - printk(" Or 3Com 3c905 :-)\n"); + printk(" or 3Com 3c905 :-)\n"); dev->irq = nile4_to_irq(NILE4_INT_INTC); dev->resource[0].start = 0x1800000; dev->resource[0].end = dev->resource[0].start+0x7fffff; @@ -316,5 +321,42 @@ char *pcibios_setup (char *str) return str; } +void __init pcibios_update_resource(struct pci_dev *dev, struct resource *root, + struct resource *res, int resource) +{ + unsigned long where, size; + u32 reg; + + where = PCI_BASE_ADDRESS_0 + (resource * 4); + size = res->end - res->start; + pci_read_config_dword(dev, where, ®); + reg = (reg & size) | (((u32)(res->start - root->start)) & ~size); + pci_write_config_dword(dev, where, reg); +} + +void __init pcibios_update_irq(struct pci_dev *dev, int irq) +{ + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); +} + +void __init pcibios_fixup_pbus_ranges(struct pci_bus *bus, + struct pbus_set_ranges_data *ranges) +{ + ranges->io_start -= bus->resource[0]->start; + ranges->io_end -= bus->resource[0]->start; + ranges->mem_start -= bus->resource[1]->start; + ranges->mem_end -= bus->resource[1]->start; +} + +void __init pcibios_align_resource(void *data, struct resource *res, + unsigned long size) +{} + +int pci_assign_resource(struct pci_dev *dev, int i) +{ + panic("pci_assign_resource: not yet implemented\n"); +} + + struct pci_fixup pcibios_fixups[] = {}; |