diff options
Diffstat (limited to 'sys/pci/pci.c')
-rw-r--r-- | sys/pci/pci.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/sys/pci/pci.c b/sys/pci/pci.c index 3583a98..d09665f0 100644 --- a/sys/pci/pci.c +++ b/sys/pci/pci.c @@ -23,7 +23,7 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * - * $Id: pci.c,v 1.102 1999/05/09 20:27:26 peter Exp $ + * $Id: pci.c,v 1.103 1999/05/10 17:56:22 dfr Exp $ * */ @@ -199,6 +199,26 @@ pci_readmaps(pcicfgregs *cfg, int maxmaps) map[j].base = base; map64 = 0; } +#ifdef __alpha__ + /* + * XXX: encode hose number in the base addr, + * This will go away once the bus_space functions + * can deal with multiple hoses + */ + + if(cfg->hose){ + if(map[j].base & 0x80000000){ + printf("base addr = 0x%x\n", map[j].base); + printf("hacked addr = 0x%x\n", + map[j].base | (cfg->hose << 31)); + + panic("hose encoding hack would clobber base addr"); + } + if(cfg->hose > 1 ) + panic("only one hose supported!"); + map[j].base |= (cfg->hose << 31); + } +#endif j++; } } @@ -339,7 +359,8 @@ pci_readcfg(pcicfgregs *probe) bzero(devlist_entry, sizeof *devlist_entry); cfg = &devlist_entry->cfg; - + + cfg->hose = probe->hose; cfg->bus = probe->bus; cfg->slot = probe->slot; cfg->func = probe->func; @@ -447,6 +468,7 @@ pci_freecfg(struct pci_devinfo *dinfo) } #endif + /* * This is the user interface to PCI configuration space. */ @@ -991,7 +1013,14 @@ pci_add_children(device_t dev, int busno) #endif bzero(&probe, sizeof probe); +#ifdef __alpha__ + probe.hose = pcib_get_hose(dev); +#endif +#ifdef __i386__ + probe.hose = 0; +#endif probe.bus = busno; + for (probe.slot = 0; probe.slot <= PCI_SLOTMAX; probe.slot++) { int pcifunchigh = 0; for (probe.func = 0; probe.func <= pcifunchigh; probe.func++) { @@ -1097,6 +1126,12 @@ pci_read_ivar(device_t dev, device_t child, int which, u_long *result) case PCI_IVAR_SUBORDINATEBUS: *result = cfg->subordinatebus; break; + case PCI_IVAR_HOSE: + /* + * Pass up to parent bridge. + */ + *result = pcib_get_hose(dev); + break; default: return ENOENT; } |