diff options
Diffstat (limited to 'sys/dev/pci')
| -rw-r--r-- | sys/dev/pci/pci.c | 11 | ||||
| -rw-r--r-- | sys/dev/pci/pci_pci.c | 7 |
2 files changed, 15 insertions, 3 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c index 22046c1..9cd5a1c 100644 --- a/sys/dev/pci/pci.c +++ b/sys/dev/pci/pci.c @@ -2576,6 +2576,17 @@ pci_add_map(device_t bus, device_t dev, int reg, struct resource_list *rl, uint16_t cmd; struct resource *res; + /* + * The BAR may already exist if the device is a CardBus card + * whose CIS is stored in this BAR. + */ + pm = pci_find_bar(dev, reg); + if (pm != NULL) { + maprange = pci_maprange(pm->pm_value); + barlen = maprange == 64 ? 2 : 1; + return (barlen); + } + pci_read_bar(dev, reg, &map, &testval); if (PCI_BAR_MEM(map)) { type = SYS_RES_MEMORY; diff --git a/sys/dev/pci/pci_pci.c b/sys/dev/pci/pci_pci.c index f68973b..da8465c 100644 --- a/sys/dev/pci/pci_pci.c +++ b/sys/dev/pci/pci_pci.c @@ -916,7 +916,8 @@ pcib_grow_window(struct pcib_softc *sc, struct pcib_window *w, int type, /* Move end_free down until it is properly aligned. */ end_free &= ~(align - 1); - front = end_free - count; + end_free--; + front = end_free - (count - 1); /* * The resource would now be allocated at (front, @@ -944,7 +945,7 @@ pcib_grow_window(struct pcib_softc *sc, struct pcib_window *w, int type, /* Move start_free up until it is properly aligned. */ start_free = roundup2(start_free, align); - back = start_free + count; + back = start_free + count - 1; /* * The resource would now be allocated at (start_free, @@ -957,7 +958,7 @@ pcib_grow_window(struct pcib_softc *sc, struct pcib_window *w, int type, if (bootverbose) printf("\tback candidate range: %#lx-%#lx\n", start_free, back); - back = roundup2(back, w->step) - 1; + back = roundup2(back + 1, w->step) - 1; back -= rman_get_end(w->res); } else back = 0; |
