1 /* $OpenBSD: asp.c,v 1.14 2005/06/09 18:01:36 mickey 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 /* 30 * References: 31 * 32 * 1. Cobra/Coral I/O Subsystem External Reference Specification 33 * Hewlett-Packard 34 * 35 */ 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 #include <sys/reboot.h> 41 42 #include <machine/bus.h> 43 #include <machine/iomod.h> 44 #include <machine/autoconf.h> 45 #include <machine/cpufunc.h> 46 47 #include <hppa/dev/cpudevs.h> 48 #include <hppa/dev/viper.h> 49 50 #include <hppa/gsc/gscbusvar.h> 51 52 struct asp_hwr { 53 u_int8_t asp_reset; 54 u_int8_t asp_resv[31]; 55 u_int8_t asp_version; 56 u_int8_t asp_resv1[15]; 57 u_int8_t asp_scsidsync; 58 u_int8_t asp_resv2[15]; 59 u_int8_t asp_error; 60 }; 61 62 struct asp_trs { 63 u_int32_t asp_irr; 64 u_int32_t asp_imr; 65 u_int32_t asp_ipr; 66 u_int32_t asp_icr; 67 u_int32_t asp_iar; 68 u_int32_t asp_resv[3]; 69 u_int8_t asp_cled; 70 u_int8_t asp_resv1[3]; 71 struct { 72 u_int :20, 73 asp_spu : 3, /* SPU ID board jumper */ 74 #define ASP_SPUCOBRA 0 75 #define ASP_SPUCORAL 1 76 #define ASP_SPUBUSH 2 77 #define ASP_SPUHARDBALL 3 78 #define ASP_SPUSCORPIO 4 79 #define ASP_SPUCORAL2 5 80 asp_sw : 1, /* front switch is normal */ 81 asp_clk : 1, /* SCSI clock is doubled */ 82 asp_lan : 2, /* LAN iface selector */ 83 #define ASP_LANINVAL 0 84 #define ASP_LANAUI 1 85 #define ASP_LANTHIN 2 86 #define ASP_LANMISS 3 87 asp_lanf: 1, /* LAN AUI fuse is ok */ 88 asp_spwr: 1, /* SCSI power ok */ 89 asp_scsi: 3; /* SCSI ctrl ID */ 90 } _asp_ios; 91 #define asp_spu _asp_ios.asp_spu 92 #define asp_sw _asp_ios.asp_sw 93 #define asp_clk _asp_ios.asp_clk 94 #define asp_lan _asp_ios.asp_lan 95 #define asp_lanf _asp_ios.asp_lanf 96 #define asp_spwr _asp_ios.asp_spwr 97 #define asp_scsi _asp_ios.asp_scsi 98 }; 99 100 const struct asp_spus_tag { 101 char name[12]; 102 int ledword; 103 } asp_spus[] = { 104 { "Cobra", 0 }, 105 { "Coral", 0 }, 106 { "Bushmaster", 0 }, 107 { "Hardball", 1 }, 108 { "Scorpio", 0 }, 109 { "Coral II", 1 }, 110 { "#6", 0 }, 111 { "#7", 0 } 112 }; 113 114 struct asp_softc { 115 struct device sc_dev; 116 struct gscbus_ic sc_ic; 117 118 volatile struct asp_hwr *sc_hw; 119 volatile struct asp_trs *sc_trs; 120 }; 121 122 #define ASP_IOMASK 0xfe000000 123 /* ASP "Primary Controller" HPA */ 124 #define ASP_CHPA 0xF0800000 125 126 int aspmatch(struct device *, void *, void *); 127 void aspattach(struct device *, struct device *, void *); 128 129 struct cfattach asp_ca = { 130 sizeof(struct asp_softc), aspmatch, aspattach 131 }; 132 133 struct cfdriver asp_cd = { 134 NULL, "asp", DV_DULL 135 }; 136 137 int 138 aspmatch(parent, cfdata, aux) 139 struct device *parent; 140 void *cfdata; 141 void *aux; 142 { 143 struct confargs *ca = aux; 144 /* struct cfdata *cf = cfdata; */ 145 146 if (ca->ca_type.iodc_type != HPPA_TYPE_BHA || 147 ca->ca_type.iodc_sv_model != HPPA_BHA_ASP) 148 return 0; 149 150 return 1; 151 } 152 153 void 154 aspattach(parent, self, aux) 155 struct device *parent; 156 struct device *self; 157 void *aux; 158 { 159 register struct confargs *ca = aux; 160 register struct asp_softc *sc = (struct asp_softc *)self; 161 struct gsc_attach_args ga; 162 bus_space_handle_t ioh; 163 register u_int32_t irr; 164 register int s; 165 166 if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh)) { 167 printf(": can't map IO space\n"); 168 return; 169 } 170 171 sc->sc_trs = (struct asp_trs *)ASP_CHPA; 172 sc->sc_hw = (struct asp_hwr *)ca->ca_hpa; 173 174 #ifdef USELEDS 175 machine_ledaddr = &sc->sc_trs->asp_cled; 176 machine_ledword = asp_spus[sc->sc_trs->asp_spu].ledword; 177 #endif 178 179 /* reset ASP */ 180 /* sc->sc_hw->asp_reset = 1; */ 181 /* delay(400000); */ 182 183 s = splhigh(); 184 viper_setintrwnd(1 << ca->ca_irq); 185 186 sc->sc_trs->asp_imr = ~0; 187 irr = sc->sc_trs->asp_irr; 188 sc->sc_trs->asp_imr = 0; 189 splx(s); 190 191 printf (": %s rev %d, lan %d scsi %d\n", 192 asp_spus[sc->sc_trs->asp_spu].name, sc->sc_hw->asp_version, 193 sc->sc_trs->asp_lan, sc->sc_trs->asp_scsi); 194 195 sc->sc_ic.gsc_type = gsc_asp; 196 sc->sc_ic.gsc_dv = sc; 197 sc->sc_ic.gsc_base = sc->sc_trs; 198 199 ga.ga_ca = *ca; /* clone from us */ 200 ga.ga_dp.dp_bc[0] = ga.ga_dp.dp_bc[1]; 201 ga.ga_dp.dp_bc[1] = ga.ga_dp.dp_bc[2]; 202 ga.ga_dp.dp_bc[2] = ga.ga_dp.dp_bc[3]; 203 ga.ga_dp.dp_bc[3] = ga.ga_dp.dp_bc[4]; 204 ga.ga_dp.dp_bc[4] = ga.ga_dp.dp_bc[5]; 205 ga.ga_dp.dp_bc[5] = ga.ga_dp.dp_mod; 206 ga.ga_dp.dp_mod = 0; 207 ga.ga_hpamask = ASP_IOMASK; 208 ga.ga_name = "gsc"; 209 ga.ga_ic = &sc->sc_ic; 210 config_found(self, &ga, gscprint); 211 } 212