1 /* $OpenBSD: mongoose_gsc.c,v 1.1 2004/10/30 10:26:32 miod Exp $ */ 2 3 /* 4 * Copyright (c) 2004, Miodrag Vallat. 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: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/param.h> 29 #include <sys/systm.h> 30 #include <sys/device.h> 31 32 #include <machine/bus.h> 33 #include <machine/autoconf.h> 34 35 #include <hppa/dev/cpudevs.h> 36 37 #include <dev/eisa/eisavar.h> 38 #include <dev/isa/isavar.h> 39 40 #include <hppa/dev/mongoosereg.h> 41 #include <hppa/dev/mongoosevar.h> 42 43 #include <hppa/gsc/gscbusvar.h> 44 45 void mgattach_gsc(struct device *, struct device *, void *); 46 int mgmatch_gsc(struct device *, void *, void *); 47 48 struct cfattach mg_gsc_ca = { 49 sizeof(struct mongoose_softc), mgmatch_gsc, mgattach_gsc 50 }; 51 52 int 53 mgmatch_gsc(struct device *parent, void *cfdata, void *aux) 54 { 55 struct gsc_attach_args *ga = aux; 56 57 if (ga->ga_type.iodc_type != HPPA_TYPE_BHA || 58 ga->ga_type.iodc_sv_model != HPPA_BHA_WEISA) 59 return (0); 60 61 return (1); 62 } 63 64 void 65 mgattach_gsc(struct device *parent, struct device *self, void *aux) 66 { 67 struct mongoose_softc *sc = (struct mongoose_softc *)self; 68 struct gsc_attach_args *ga = aux; 69 bus_space_handle_t ioh; 70 71 sc->sc_bt = ga->ga_iot; 72 sc->sc_iomap = ga->ga_hpa; 73 74 if (bus_space_map(ga->ga_iot, ga->ga_hpa + MONGOOSE_MONGOOSE, 75 sizeof(struct mongoose_regs), 0, &ioh) != 0) { 76 printf(": can't map IO space\n"); 77 return; 78 } 79 sc->sc_regs = (struct mongoose_regs *)ioh; 80 81 if (bus_space_map(ga->ga_iot, ga->ga_hpa + MONGOOSE_CTRL, 82 sizeof(struct mongoose_ctrl), 0, &ioh) != 0) { 83 printf(": can't map control registers\n"); 84 bus_space_unmap(ga->ga_iot, (bus_space_handle_t)sc->sc_regs, 85 sizeof(struct mongoose_regs)); 86 return; 87 } 88 sc->sc_ctrl = (struct mongoose_ctrl *)ioh; 89 90 if (mgattach_common(sc) != 0) 91 return; 92 93 sc->sc_ih = gsc_intr_establish((struct gsc_softc *)parent, 94 ga->ga_irq, IPL_HIGH, mg_intr, sc, sc->sc_dev.dv_xname); 95 } 96