diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/pci.c | 117 |
1 files changed, 89 insertions, 28 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 848746f..3dccf88 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -510,6 +510,71 @@ void pci_cfgfunc_do_nothing(struct pci_controller *hose, extern int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev); extern void pciauto_config_init(struct pci_controller *hose); +#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI_SCAN_SHOW) +const char * pci_class_str(u8 class) +{ + switch (class) { + case PCI_CLASS_NOT_DEFINED: + return "Build before PCI Rev2.0"; + break; + case PCI_BASE_CLASS_STORAGE: + return "Mass storage controller"; + break; + case PCI_BASE_CLASS_NETWORK: + return "Network controller"; + break; + case PCI_BASE_CLASS_DISPLAY: + return "Display controller"; + break; + case PCI_BASE_CLASS_MULTIMEDIA: + return "Multimedia device"; + break; + case PCI_BASE_CLASS_MEMORY: + return "Memory controller"; + break; + case PCI_BASE_CLASS_BRIDGE: + return "Bridge device"; + break; + case PCI_BASE_CLASS_COMMUNICATION: + return "Simple comm. controller"; + break; + case PCI_BASE_CLASS_SYSTEM: + return "Base system peripheral"; + break; + case PCI_BASE_CLASS_INPUT: + return "Input device"; + break; + case PCI_BASE_CLASS_DOCKING: + return "Docking station"; + break; + case PCI_BASE_CLASS_PROCESSOR: + return "Processor"; + break; + case PCI_BASE_CLASS_SERIAL: + return "Serial bus controller"; + break; + case PCI_BASE_CLASS_INTELLIGENT: + return "Intelligent controller"; + break; + case PCI_BASE_CLASS_SATELLITE: + return "Satellite controller"; + break; + case PCI_BASE_CLASS_CRYPT: + return "Cryptographic device"; + break; + case PCI_BASE_CLASS_SIGNAL_PROCESSING: + return "DSP"; + break; + case PCI_CLASS_OTHERS: + return "Does not fit any class"; + break; + default: + return "???"; + break; + }; +} +#endif /* CONFIG_CMD_PCI || CONFIG_PCI_SCAN_SHOW */ + int __pci_skip_dev(struct pci_controller *hose, pci_dev_t dev) { /* @@ -568,44 +633,40 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus) pci_hose_read_config_word(hose, dev, PCI_VENDOR_ID, &vendor); - if (vendor != 0xffff && vendor != 0x0000) { + if (vendor == 0xffff || vendor == 0x0000) + continue; - if (!PCI_FUNC(dev)) - found_multi = header_type & 0x80; + if (!PCI_FUNC(dev)) + found_multi = header_type & 0x80; - debug ("PCI Scan: Found Bus %d, Device %d, Function %d\n", - PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev) ); + debug ("PCI Scan: Found Bus %d, Device %d, Function %d\n", + PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev) ); - pci_hose_read_config_word(hose, dev, PCI_DEVICE_ID, &device); - pci_hose_read_config_word(hose, dev, PCI_CLASS_DEVICE, &class); + pci_hose_read_config_word(hose, dev, PCI_DEVICE_ID, &device); + pci_hose_read_config_word(hose, dev, PCI_CLASS_DEVICE, &class); - 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); + 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); #ifdef CONFIG_PCI_PNP - } else { - int n = pciauto_config_device(hose, dev); + } else { + int n = pciauto_config_device(hose, dev); - sub_bus = max(sub_bus, n); + sub_bus = max(sub_bus, n); #endif - } - if (hose->fixup_irq) - hose->fixup_irq(hose, dev); + } + if (hose->fixup_irq) + hose->fixup_irq(hose, dev); #ifdef CONFIG_PCI_SCAN_SHOW - if (pci_print_dev(hose, dev)) { - unsigned char int_line; - - pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_LINE, - &int_line); - printf(" %02x %02x %04x %04x %04x %02x\n", - PCI_BUS(dev), PCI_DEV(dev), vendor, device, class, - int_line); - } -#endif + if (pci_print_dev(hose, dev)) { + printf(" %02x:%02x.%x - %04x:%04x - %s\n", + PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev), + vendor, device, pci_class_str(class >> 8)); } +#endif } return sub_bus; |