| psycho.c (93066) | psycho.c (93067) |
|---|---|
| 1/* 2 * Copyright (c) 1999, 2000 Matthew R. Green 3 * All rights reserved. 4 * Copyright 2001 by Thomas Moestl <tmm@FreeBSD.org>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 14 unchanged lines hidden (view full) --- 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * from: NetBSD: psycho.c,v 1.39 2001/10/07 20:30:41 eeh Exp 30 * | 1/* 2 * Copyright (c) 1999, 2000 Matthew R. Green 3 * All rights reserved. 4 * Copyright 2001 by Thomas Moestl <tmm@FreeBSD.org>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 14 unchanged lines hidden (view full) --- 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * from: NetBSD: psycho.c,v 1.39 2001/10/07 20:30:41 eeh Exp 30 * |
| 31 * $FreeBSD: head/sys/sparc64/pci/psycho.c 93066 2002-03-24 01:51:29Z tmm $ | 31 * $FreeBSD: head/sys/sparc64/pci/psycho.c 93067 2002-03-24 02:11:06Z tmm $ |
| 32 */ 33 34/* 35 * Support for `psycho' and `psycho+' UPA to PCI bridge and 36 * UltraSPARC IIi and IIe `sabre' PCI controllers. 37 */ 38 39#include "opt_psycho.h" --- 433 unchanged lines hidden (view full) --- 473 sc->sc_dmat->dmamap_load = psycho_dmamap_load; 474 sc->sc_dmat->dmamap_unload = psycho_dmamap_unload; 475 sc->sc_dmat->dmamap_sync = psycho_dmamap_sync; 476 sc->sc_dmat->dmamem_alloc = psycho_dmamem_alloc; 477 sc->sc_dmat->dmamem_free = psycho_dmamem_free; 478 /* XXX: register as root dma tag (kluge). */ 479 sparc64_root_dma_tag = sc->sc_dmat; 480 | 32 */ 33 34/* 35 * Support for `psycho' and `psycho+' UPA to PCI bridge and 36 * UltraSPARC IIi and IIe `sabre' PCI controllers. 37 */ 38 39#include "opt_psycho.h" --- 433 unchanged lines hidden (view full) --- 473 sc->sc_dmat->dmamap_load = psycho_dmamap_load; 474 sc->sc_dmat->dmamap_unload = psycho_dmamap_unload; 475 sc->sc_dmat->dmamap_sync = psycho_dmamap_sync; 476 sc->sc_dmat->dmamem_alloc = psycho_dmamem_alloc; 477 sc->sc_dmat->dmamem_free = psycho_dmamem_free; 478 /* XXX: register as root dma tag (kluge). */ 479 sparc64_root_dma_tag = sc->sc_dmat; 480 |
| 481 if ((sc->sc_nintrmap = OF_getprop_alloc(sc->sc_node, "interrupt-map", 482 sizeof(*sc->sc_intrmap), (void **)&sc->sc_intrmap)) == -1 || 483 OF_getprop(sc->sc_node, "interrupt-map-mask", &sc->sc_intrmapmsk, 484 sizeof(sc->sc_intrmapmsk)) == -1) { 485 if (sc->sc_intrmap != NULL) { 486 free(sc->sc_intrmap, M_OFWPROP); 487 sc->sc_intrmap = NULL; 488 } 489 } 490 | |
| 491 /* Register the softc, this is needed for paired psychos. */ 492 if (psycho_ndevs < sizeof(psycho_softcs) / sizeof(psycho_softcs[0])) 493 psycho_softcs[psycho_ndevs] = sc; 494 else 495 device_printf(dev, "XXX: bump the number of psycho_softcs"); 496 psycho_ndevs++; 497 /* 498 * And finally, if we're a sabre or the first of a pair of psycho's to --- 113 unchanged lines hidden (view full) --- 612 /* 613 * Initialize the interrupt registers of all devices hanging from 614 * the host bridge directly or indirectly via PCI-PCI bridges. 615 * The MI code (and the PCI spec) assume that this is done during 616 * system initialization, however the firmware does not do this 617 * at least on some models, and we probably shouldn't trust that 618 * the firmware uses the same model as this driver if it does. 619 */ | 481 /* Register the softc, this is needed for paired psychos. */ 482 if (psycho_ndevs < sizeof(psycho_softcs) / sizeof(psycho_softcs[0])) 483 psycho_softcs[psycho_ndevs] = sc; 484 else 485 device_printf(dev, "XXX: bump the number of psycho_softcs"); 486 psycho_ndevs++; 487 /* 488 * And finally, if we're a sabre or the first of a pair of psycho's to --- 113 unchanged lines hidden (view full) --- 602 /* 603 * Initialize the interrupt registers of all devices hanging from 604 * the host bridge directly or indirectly via PCI-PCI bridges. 605 * The MI code (and the PCI spec) assume that this is done during 606 * system initialization, however the firmware does not do this 607 * at least on some models, and we probably shouldn't trust that 608 * the firmware uses the same model as this driver if it does. 609 */ |
| 620 ofw_pci_init_intr(dev, sc->sc_node, sc->sc_intrmap, sc->sc_nintrmap, 621 &sc->sc_intrmapmsk); | 610 ofw_pci_init_intr(dev, sc->sc_node); |
| 622 623 device_add_child(dev, "pci", device_get_unit(dev)); 624 return (bus_generic_attach(dev)); 625} 626 627static void 628psycho_set_intr(struct psycho_softc *sc, int index, 629 device_t dev, bus_addr_t map, int iflags, driver_intr_t handler) --- 331 unchanged lines hidden (view full) --- 961 default: 962 panic("psycho_write_config: bad width"); 963 } 964} 965 966static int 967psycho_route_interrupt(device_t bus, device_t dev, int pin) 968{ | 611 612 device_add_child(dev, "pci", device_get_unit(dev)); 613 return (bus_generic_attach(dev)); 614} 615 616static void 617psycho_set_intr(struct psycho_softc *sc, int index, 618 device_t dev, bus_addr_t map, int iflags, driver_intr_t handler) --- 331 unchanged lines hidden (view full) --- 950 default: 951 panic("psycho_write_config: bad width"); 952 } 953} 954 955static int 956psycho_route_interrupt(device_t bus, device_t dev, int pin) 957{ |
| 958 int intline; |
|
| 969 970 /* | 959 960 /* |
| 971 * Since we preinitialize all interrupt line registers, this should not 972 * happen for any built-in device. 973 * Devices on bridges that route interrupts cannot work now - the 974 * interrupt pin mappings are not known from the firmware... | 961 * XXX: ugly loathsome hack: 962 * We can't use ofw_pci_route_intr() here; the device passed may be 963 * the one of a bridge, so the original device can't be recovered. 964 * 965 * We need to use the firmware to route interrupts, however it has 966 * no interface which could be used to interpret intpins; instead, 967 * all assignments are done by device. 968 * 969 * The MI pci code will try to reroute interrupts of 0, although they 970 * are correct; all other interrupts are preinitialized, so if we 971 * get here, the intline is either 0 (so return 0), or we hit a 972 * device which was not preinitialized (e.g. hotplugged stuff), in 973 * which case we are lost. |
| 975 */ | 974 */ |
| 976 panic("psycho_route_interrupt"); | 975 return (0); |
| 977} 978 979static int 980psycho_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) 981{ 982 struct psycho_softc *sc; 983 984 sc = (struct psycho_softc *)device_get_softc(dev); --- 359 unchanged lines hidden --- | 976} 977 978static int 979psycho_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) 980{ 981 struct psycho_softc *sc; 982 983 sc = (struct psycho_softc *)device_get_softc(dev); --- 359 unchanged lines hidden --- |