diff options
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 70 |
1 files changed, 46 insertions, 24 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b3ae3b1..16180cb 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -411,6 +411,40 @@ 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); +int __pci_skip_dev(struct pci_controller *hose, pci_dev_t dev) +{ + /* + * Check if pci device should be skipped in configuration + */ + if (dev == PCI_BDF(hose->first_busno, 0, 0)) { +#if defined(CONFIG_PCI_CONFIG_HOST_BRIDGE) /* don't skip host bridge */ + /* + * Only skip configuration if "pciconfighost" is not set + */ + if (getenv("pciconfighost") == NULL) + return 1; +#else + return 1; +#endif + } + + return 0; +} +int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev) + __attribute__((weak, alias("__pci_skip_dev"))); + +#ifdef CONFIG_PCI_SCAN_SHOW +int __pci_print_dev(struct pci_controller *hose, pci_dev_t dev) +{ + if (dev == PCI_BDF(hose->first_busno, 0, 0)) + return 0; + + return 1; +} +int pci_print_dev(struct pci_controller *hose, pci_dev_t dev) + __attribute__((weak, alias("__pci_print_dev"))); +#endif /* CONFIG_PCI_SCAN_SHOW */ + int pci_hose_scan_bus(struct pci_controller *hose, int bus) { unsigned int sub_bus, found_multi=0; @@ -423,21 +457,10 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus) for (dev = PCI_BDF(bus,0,0); dev < PCI_BDF(bus,PCI_MAX_PCI_DEVICES-1,PCI_MAX_PCI_FUNCTIONS-1); - dev += PCI_BDF(0,0,1)) - { - /* Skip our host bridge */ - if ( dev == PCI_BDF(hose->first_busno,0,0) ) { -#if defined(CONFIG_PCI_CONFIG_HOST_BRIDGE) /* don't skip host bridge */ - /* - * Only skip hostbridge configuration if "pciconfighost" is not set - */ - if (getenv("pciconfighost") == NULL) { - continue; /* Skip our host bridge */ - } -#else - continue; /* Skip our host bridge */ -#endif - } + dev += PCI_BDF(0,0,1)) { + + if (pci_skip_dev(hose, dev)) + continue; if (PCI_FUNC(dev) && !found_multi) continue; @@ -473,15 +496,14 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus) hose->fixup_irq(hose, dev); #ifdef CONFIG_PCI_SCAN_SHOW - /* Skip our host bridge */ - if ( dev != PCI_BDF(hose->first_busno,0,0) ) { - 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); + 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 } |