diff options
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 60c333e2c0..3daf73c30a 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -195,6 +195,9 @@ pci_dev_t pci_find_devices(struct pci_device_id *ids, int index) bdf < PCI_BDF(bus + 1, 0, 0); #endif bdf += PCI_BDF(0, 0, 1)) { + if (pci_skip_dev(hose, bdf)) + continue; + if (!PCI_FUNC(bdf)) { pci_read_config_byte(bdf, PCI_HEADER_TYPE, @@ -363,9 +366,27 @@ phys_addr_t pci_hose_bus_to_phys(struct pci_controller* hose, return phys_addr; } -/* - * - */ +void pci_write_bar32(struct pci_controller *hose, pci_dev_t dev, int barnum, + u32 addr_and_ctrl) +{ + int bar; + + bar = PCI_BASE_ADDRESS_0 + barnum * 4; + pci_hose_write_config_dword(hose, dev, bar, addr_and_ctrl); +} + +u32 pci_read_bar32(struct pci_controller *hose, pci_dev_t dev, int barnum) +{ + u32 addr; + int bar; + + bar = PCI_BASE_ADDRESS_0 + barnum * 4; + pci_hose_read_config_dword(hose, dev, bar, &addr); + if (addr & PCI_BASE_ADDRESS_SPACE_IO) + return addr & PCI_BASE_ADDRESS_IO_MASK; + else + return addr & PCI_BASE_ADDRESS_MEM_MASK; +} int pci_hose_config_device(struct pci_controller *hose, pci_dev_t dev, @@ -662,13 +683,15 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus) #endif #ifdef CONFIG_PCI_PNP - sub_bus = max(pciauto_config_device(hose, dev), sub_bus); + sub_bus = max((unsigned int)pciauto_config_device(hose, dev), + sub_bus); #else cfg = pci_find_config(hose, class, vendor, device, PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev)); if (cfg) { cfg->config_device(hose, dev, cfg); - sub_bus = max(sub_bus, hose->current_busno); + sub_bus = max(sub_bus, + (unsigned int)hose->current_busno); } #endif |