diff options
Diffstat (limited to 'sys/arch/armish/dev')
| -rw-r--r-- | sys/arch/armish/dev/pci_addr_fixup.c | 78 |
1 files changed, 16 insertions, 62 deletions
diff --git a/sys/arch/armish/dev/pci_addr_fixup.c b/sys/arch/armish/dev/pci_addr_fixup.c index 82153bc9ace..8aa9cd87d24 100644 --- a/sys/arch/armish/dev/pci_addr_fixup.c +++ b/sys/arch/armish/dev/pci_addr_fixup.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pci_addr_fixup.c,v 1.3 2006/05/31 05:57:32 drahn Exp $ */ +/* $OpenBSD: pci_addr_fixup.c,v 1.4 2006/06/01 03:44:20 drahn Exp $ */ /* $NetBSD: pci_addr_fixup.c,v 1.7 2000/08/03 20:10:45 nathanw Exp $ */ /*- @@ -219,14 +219,15 @@ pciaddr_resource_manage(struct i80321_softc *sc, pci_chipset_tag_t pc, ex = sc->extent_mem; } else { /* XXX some devices give 32bit value */ - addr = PCI_MAPREG_IO_ADDR(val); - if (sc->sc_iobus_space.bus_base != PCIADDR_PORT_START && - addr < sc->sc_iobus_space.bus_base) { - /* skew address to be in range */ - addr = PCI_MAPREG_IO_ADDR(val) & - PCIADDR_PORT_END; - addr |= sc->sc_iobus_space.bus_base; + if (sc->sc_iobus_space.bus_base != PCIADDR_PORT_START) { + /* + * if the bus base is not 0 skew all addresses + */ + val &= PCIADDR_PORT_END; + val |= sc->sc_iobus_space.bus_base; + pci_conf_write(pc, tag, mapreg, val); } + addr = PCI_MAPREG_IO_ADDR(val); size = PCI_MAPREG_IO_SIZE(mask); ex = sc->extent_port; } @@ -266,7 +267,10 @@ pciaddr_do_resource_allocate(struct i80321_softc *sc, pci_chipset_tag_t pc, bus_addr_t start; int error; - if (*addr) /* no need to allocate */ + if (type == PCI_MAPREG_TYPE_IO) { + if ((*addr & PCIADDR_PORT_END) != 0) + return (0); + } else if (*addr) /* no need to allocate */ return (0); /* XXX Don't allocate if device is AGP device to avoid conflict. */ @@ -274,7 +278,7 @@ pciaddr_do_resource_allocate(struct i80321_softc *sc, pci_chipset_tag_t pc, return (0); start = (type == PCI_MAPREG_TYPE_MEM ? sc->sc_membus_space.bus_base - : PCIADDR_PORT_START); + : sc->sc_iobus_space.bus_base); if (start < ex->ex_start || start + size - 1 >= ex->ex_end) { PCIBIOS_PRINTV(("No available resources. fixup failed\n")); return (1); @@ -312,6 +316,8 @@ pciaddr_do_resource_reserve(struct i80321_softc *sc, pci_chipset_tag_t pc, { int error; + if ((type == PCI_MAPREG_TYPE_IO) && ((*addr & PCIADDR_PORT_END) == 0)) + return (1); if (*addr == 0) return (1); @@ -369,58 +375,6 @@ pciaddr_device_is_agp(pci_chipset_tag_t pc, pcitag_t tag) return (0); } - -#if 0 -struct extent * -pciaddr_search(int mem_port, struct device *parent, bus_addr_t *startp, - bus_size_t size) -{ - struct i80321_softc *sc; - - /* find the bridge, 'mpcpcibr' */ - - sc = NULL; - while (parent != NULL) { - if (strncmp("mpcpcibr", parent->dv_xname, 8) == 0) { - sc = (void *)parent; - break; - } - parent = parent->dv_parent; - } - - if (sc && !(pcibr_flags & PCIBR_ADDR_FIXUP)) { - struct extent_region *rp; - struct extent *ex = mem_port? sc->extent_mem : sc->extent_port; - - /* Search the PCI I/O memory space extent for free - * space that will accommodate size. Remember that the - * extent stores allocated space and we're searching - * for the gaps. - * - * If we're at the end or the gap between this region - * and the next region big enough, then we're done - */ - *startp = ex->ex_start; - rp = LIST_FIRST(&ex->ex_regions); - - for (rp = LIST_FIRST(&ex->ex_regions); - rp && *startp + size > rp->er_start; - rp = LIST_NEXT(rp, er_link)) { - bus_addr_t new_start; - - new_start = (rp->er_end - 1 + size) & ~(size - 1); - if (new_start > *startp) - *startp = new_start; - } - - return (ex); - } - - return (NULL); -} -#endif - - void pci_device_foreach(struct i80321_softc *sc, pci_chipset_tag_t pc, int maxbus, void (*func)(struct i80321_softc *, pci_chipset_tag_t, pcitag_t)) |