1 /* $OpenBSD: wax.c,v 1.12 2024/05/22 14:25:47 jsg Exp $ */ 2 3 /* 4 * Copyright (c) 1998-2003 Michael Shalayeff 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/param.h> 30 #include <sys/systm.h> 31 #include <sys/device.h> 32 #include <sys/reboot.h> 33 34 #include <machine/iomod.h> 35 #include <machine/autoconf.h> 36 37 #include <hppa/dev/cpudevs.h> 38 39 #include <hppa/gsc/gscbusvar.h> 40 41 #define WAX_IOMASK 0xfff00000 42 43 int waxmatch(struct device *, void *, void *); 44 void waxattach(struct device *, struct device *, void *); 45 46 const struct cfattach wax_ca = { 47 sizeof(struct device), waxmatch, waxattach 48 }; 49 50 struct cfdriver wax_cd = { 51 NULL, "wax", DV_DULL 52 }; 53 54 int 55 waxmatch(parent, cfdata, aux) 56 struct device *parent; 57 void *cfdata; 58 void *aux; 59 { 60 struct confargs *ca = aux; 61 struct cfdata *cf = cfdata; 62 63 /* there will be only one */ 64 if (cf->cf_unit > 0 || 65 ca->ca_type.iodc_type != HPPA_TYPE_BHA || 66 ca->ca_type.iodc_sv_model != HPPA_BHA_WAX) 67 return 0; 68 69 return 1; 70 } 71 72 void 73 waxattach(parent, self, aux) 74 struct device *parent; 75 struct device *self; 76 void *aux; 77 { 78 struct confargs *ca = aux; 79 struct gsc_attach_args ga; 80 struct gscbus_ic *ic; 81 bus_space_handle_t ioh; 82 int s; 83 84 if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh)) { 85 printf(": can't map IO space\n"); 86 return; 87 } 88 89 printf("\n"); 90 91 /* interrupts guts */ 92 ic = (struct gscbus_ic *)ca->ca_hpa; 93 s = splhigh(); 94 ic->iar = 0; /* will be set up by gsc when attaching */ 95 ic->icr = 0; 96 ic->imr = ~0U; 97 (void)ic->irr; 98 ic->imr = 0; 99 splx(s); 100 101 ga.ga_ca = *ca; /* clone from us */ 102 if (!strcmp(parent->dv_xname, "mainbus0")) { 103 ga.ga_dp.dp_bc[0] = ga.ga_dp.dp_bc[1]; 104 ga.ga_dp.dp_bc[1] = ga.ga_dp.dp_bc[2]; 105 ga.ga_dp.dp_bc[2] = ga.ga_dp.dp_bc[3]; 106 ga.ga_dp.dp_bc[3] = ga.ga_dp.dp_bc[4]; 107 ga.ga_dp.dp_bc[4] = ga.ga_dp.dp_bc[5]; 108 ga.ga_dp.dp_bc[5] = ga.ga_dp.dp_mod; 109 ga.ga_dp.dp_mod = 0; 110 } 111 112 ga.ga_name = "gsc"; 113 ga.ga_hpamask = WAX_IOMASK; 114 ga.ga_parent = gsc_wax; 115 ga.ga_ic = ic; 116 117 config_found(self, &ga, gscprint); 118 } 119