diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/cpu/coreboot/pci.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/arch/x86/cpu/coreboot/pci.c b/arch/x86/cpu/coreboot/pci.c index 0ddc975..8f94167 100644 --- a/arch/x86/cpu/coreboot/pci.c +++ b/arch/x86/cpu/coreboot/pci.c @@ -31,15 +31,35 @@ static struct pci_controller coreboot_hose; +static void config_pci_bridge(struct pci_controller *hose, pci_dev_t dev, + struct pci_config_table *table) +{ + u8 secondary; + hose->read_byte(hose, dev, PCI_SECONDARY_BUS, &secondary); + hose->last_busno = max(hose->last_busno, secondary); + pci_hose_scan_bus(hose, secondary); +} + +static struct pci_config_table pci_coreboot_config_table[] = { + /* vendor, device, class, bus, dev, func */ + { PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_BRIDGE_PCI, + PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, &config_pci_bridge }, + {} +}; + void pci_init_board(void) { + coreboot_hose.config_table = pci_coreboot_config_table; coreboot_hose.first_busno = 0; - coreboot_hose.last_busno = 0xff; - coreboot_hose.region_count = 0; + coreboot_hose.last_busno = 0; + + pci_set_region(coreboot_hose.regions + 0, 0x0, 0x0, 0xffffffff, + PCI_REGION_MEM); + coreboot_hose.region_count = 1; pci_setup_type1(&coreboot_hose); pci_register_hose(&coreboot_hose); - coreboot_hose.last_busno = pci_hose_scan(&coreboot_hose); + pci_hose_scan(&coreboot_hose); } |