1 /* $NetBSD: oosiop_gsc.c,v 1.1 2014/02/24 07:23:43 skrll Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Matt Fredette. 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: 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 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /*- 30 * Copyright (c) 2001,2002 Izumi Tsutsui. All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions 34 * are met: 35 * 1. Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * 2. Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in the 39 * documentation and/or other materials provided with the distribution. 40 * 41 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 42 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 44 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 45 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 50 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 51 */ 52 53 /* $OpenBSD: siop_gsc.c,v 1.1 1998/11/04 17:01:35 mickey Exp $ */ 54 55 /* 56 * Copyright (c) 1998 Michael Shalayeff 57 * All rights reserved. 58 * 59 * Redistribution and use in source and binary forms, with or without 60 * modification, are permitted provided that the following conditions 61 * are met: 62 * 1. Redistributions of source code must retain the above copyright 63 * notice, this list of conditions and the following disclaimer. 64 * 2. Redistributions in binary form must reproduce the above copyright 65 * notice, this list of conditions and the following disclaimer in the 66 * documentation and/or other materials provided with the distribution. 67 * 3. The name of the author may not be used to endorse or promote products 68 * derived from this software without specific prior written permission. 69 * 70 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 71 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 72 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 73 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 74 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 75 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 76 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 77 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 78 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 79 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 80 */ 81 82 #include <sys/cdefs.h> 83 __KERNEL_RCSID(0, "$NetBSD: oosiop_gsc.c,v 1.1 2014/02/24 07:23:43 skrll Exp $"); 84 85 #include <sys/param.h> 86 #include <sys/systm.h> 87 #include <sys/device.h> 88 #include <sys/buf.h> 89 #include <sys/malloc.h> 90 91 #include <dev/scsipi/scsi_all.h> 92 #include <dev/scsipi/scsipi_all.h> 93 #include <dev/scsipi/scsiconf.h> 94 95 #include <machine/cpu.h> 96 #include <machine/intr.h> 97 #include <machine/iomod.h> 98 #include <machine/autoconf.h> 99 #include <sys/bus.h> 100 101 #include <dev/ic/oosiopreg.h> 102 #include <dev/ic/oosiopvar.h> 103 104 #include <hppa/dev/cpudevs.h> 105 #include <hppa/gsc/gscbusvar.h> 106 #include <hppa/hppa/machdep.h> 107 108 #define OOSIOP_GSC_RESET 0x0000 109 #define OOSIOP_GSC_OFFSET 0x0100 110 111 int oosiop_gsc_match(device_t, cfdata_t, void *); 112 void oosiop_gsc_attach(device_t, device_t, void *); 113 int oosiop_gsc_intr(void *); 114 115 CFATTACH_DECL_NEW(oosiop_gsc, sizeof(struct oosiop_softc), 116 oosiop_gsc_match, oosiop_gsc_attach, NULL, NULL); 117 118 int 119 oosiop_gsc_match(device_t parent, cfdata_t cf, void *aux) 120 { 121 struct gsc_attach_args *ga = aux; 122 bus_space_handle_t ioh; 123 int rv = 1; 124 125 if (ga->ga_type.iodc_type != HPPA_TYPE_FIO || 126 ga->ga_type.iodc_sv_model != HPPA_FIO_SCSI) 127 return 0; 128 129 if (bus_space_map(ga->ga_iot, ga->ga_hpa, 130 OOSIOP_GSC_OFFSET + OOSIOP_NREGS, 0, &ioh)) 131 return 0; 132 133 134 bus_space_unmap(ga->ga_iot, ioh, OOSIOP_GSC_OFFSET + OOSIOP_NREGS); 135 return rv; 136 } 137 138 void 139 oosiop_gsc_attach(device_t parent, device_t self, void *aux) 140 { 141 struct oosiop_softc *sc = device_private(self); 142 struct gsc_attach_args *ga = aux; 143 bus_space_handle_t ioh; 144 145 sc->sc_dev = self; 146 sc->sc_bst = ga->ga_iot; 147 sc->sc_dmat = ga->ga_dmatag; 148 if (bus_space_map(sc->sc_bst, ga->ga_hpa, 149 OOSIOP_GSC_OFFSET + OOSIOP_NREGS, 0, &ioh)) { 150 aprint_error(": couldn't map I/O ports\n"); 151 return; 152 } 153 if (bus_space_subregion(sc->sc_bst, ioh, 154 OOSIOP_GSC_OFFSET, OOSIOP_NREGS, &sc->sc_bsh)) { 155 aprint_error(": couldn't get chip ports\n"); 156 return; 157 } 158 159 sc->sc_freq = ga->ga_ca.ca_pir.filler2[14]; 160 if (sc->sc_freq == 0) 161 sc->sc_freq = 50000000; 162 163 sc->sc_chip = OOSIOP_700; 164 sc->sc_id = ga->ga_scsi_target; 165 166 /* 167 * Reset SCSI subsystem. 168 */ 169 bus_space_write_1(sc->sc_bst, ioh, OOSIOP_GSC_RESET, 0); 170 DELAY(1000); 171 172 /* 173 * Call common attachment 174 */ 175 oosiop_attach(sc); 176 177 (void)hppa_intr_establish(IPL_BIO, oosiop_gsc_intr, sc, 178 ga->ga_ir, ga->ga_irq); 179 } 180 181 /* 182 * interrupt handler 183 */ 184 int 185 oosiop_gsc_intr(void *arg) 186 { 187 struct oosiop_softc *sc = arg; 188 int rv; 189 190 rv = oosiop_intr(sc); 191 192 /* Blink the LED. */ 193 hppa_led_blink(HPPA_LED_DISK); 194 195 return rv; 196 } 197