X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fpci%2Fpci_common.c;h=faf25d96cbcaa6a6cdb80c8bb11d487269fe8b9b;hb=6e6cf015e7cdd7ca83a933320a81201972bd5e5e;hp=b9ff23f35bc8627650994c0e573adbe9c63eff14;hpb=238fe16c40f640e5b78828b21990a0565f408813;p=u-boot diff --git a/drivers/pci/pci_common.c b/drivers/pci/pci_common.c index b9ff23f35b..faf25d96cb 100644 --- a/drivers/pci/pci_common.c +++ b/drivers/pci/pci_common.c @@ -11,6 +11,7 @@ */ #include +#include #include #include #include @@ -78,48 +79,6 @@ const char *pci_class_str(u8 class) }; } -pci_dev_t pci_find_class(uint find_class, int index) -{ - int bus; - int devnum; - pci_dev_t bdf; - uint32_t class; - - for (bus = 0; bus <= pci_last_busno(); bus++) { - for (devnum = 0; devnum < PCI_MAX_PCI_DEVICES - 1; devnum++) { - pci_read_config_dword(PCI_BDF(bus, devnum, 0), - PCI_CLASS_REVISION, &class); - if (class >> 16 == 0xffff) - continue; - - for (bdf = PCI_BDF(bus, devnum, 0); - bdf <= PCI_BDF(bus, devnum, - PCI_MAX_PCI_FUNCTIONS - 1); - bdf += PCI_BDF(0, 0, 1)) { - pci_read_config_dword(bdf, PCI_CLASS_REVISION, - &class); - class >>= 8; - - if (class != find_class) - continue; - /* - * Decrement the index. We want to return the - * correct device, so index is 0 for the first - * matching device, 1 for the second, etc. - */ - if (index) { - index--; - continue; - } - /* Return index'th controller. */ - return bdf; - } - } - } - - return -ENODEV; -} - __weak int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev) { /* @@ -130,7 +89,7 @@ __weak int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev) /* * Only skip configuration if "pciconfighost" is not set */ - if (getenv("pciconfighost") == NULL) + if (env_get("pciconfighost") == NULL) return 1; #else return 1; @@ -140,6 +99,7 @@ __weak int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev) return 0; } +#if !defined(CONFIG_DM_PCI) || defined(CONFIG_DM_PCI_COMPAT) /* Get a virtual address associated with a BAR region */ void *pci_map_bar(pci_dev_t pdev, int bar, int flags) { @@ -225,7 +185,7 @@ phys_addr_t pci_hose_bus_to_phys(struct pci_controller *hose, * if PCI_REGION_MEM is set we do a two pass search with preference * on matches that don't have PCI_REGION_SYS_MEMORY set */ - if ((flags & PCI_REGION_MEM) == PCI_REGION_MEM) { + if ((flags & PCI_REGION_TYPE) == PCI_REGION_MEM) { ret = __pci_hose_bus_to_phys(hose, bus_addr, flags, PCI_REGION_SYS_MEMORY, &phys_addr); if (!ret) @@ -262,7 +222,7 @@ int __pci_hose_phys_to_bus(struct pci_controller *hose, bus_addr = phys_addr - res->phys_start + res->bus_start; if (bus_addr >= res->bus_start && - bus_addr < res->bus_start + res->size) { + (bus_addr - res->bus_start) < res->size) { *ba = bus_addr; return 0; } @@ -271,6 +231,13 @@ int __pci_hose_phys_to_bus(struct pci_controller *hose, return 1; } +/* + * pci_hose_phys_to_bus(): Convert physical address to bus address + * @hose: PCI hose of the root PCI controller + * @phys_addr: physical address to convert + * @flags: flags of pci regions + * @return bus address if OK, 0 on error + */ pci_addr_t pci_hose_phys_to_bus(struct pci_controller *hose, phys_addr_t phys_addr, unsigned long flags) @@ -287,7 +254,7 @@ pci_addr_t pci_hose_phys_to_bus(struct pci_controller *hose, * if PCI_REGION_MEM is set we do a two pass search with preference * on matches that don't have PCI_REGION_SYS_MEMORY set */ - if ((flags & PCI_REGION_MEM) == PCI_REGION_MEM) { + if ((flags & PCI_REGION_TYPE) == PCI_REGION_MEM) { ret = __pci_hose_phys_to_bus(hose, phys_addr, flags, PCI_REGION_SYS_MEMORY, &bus_addr); if (!ret) @@ -352,3 +319,46 @@ pci_dev_t pci_hose_find_devices(struct pci_controller *hose, int busnum, return -1; } + +pci_dev_t pci_find_class(uint find_class, int index) +{ + int bus; + int devnum; + pci_dev_t bdf; + uint32_t class; + + for (bus = 0; bus <= pci_last_busno(); bus++) { + for (devnum = 0; devnum < PCI_MAX_PCI_DEVICES - 1; devnum++) { + pci_read_config_dword(PCI_BDF(bus, devnum, 0), + PCI_CLASS_REVISION, &class); + if (class >> 16 == 0xffff) + continue; + + for (bdf = PCI_BDF(bus, devnum, 0); + bdf <= PCI_BDF(bus, devnum, + PCI_MAX_PCI_FUNCTIONS - 1); + bdf += PCI_BDF(0, 0, 1)) { + pci_read_config_dword(bdf, PCI_CLASS_REVISION, + &class); + class >>= 8; + + if (class != find_class) + continue; + /* + * Decrement the index. We want to return the + * correct device, so index is 0 for the first + * matching device, 1 for the second, etc. + */ + if (index) { + index--; + continue; + } + /* Return index'th controller. */ + return bdf; + } + } + } + + return -ENODEV; +} +#endif /* !CONFIG_DM_PCI || CONFIG_DM_PCI_COMPAT */