1 /* $NetBSD: bha_eisa.c,v 1.20 2001/11/15 09:48:03 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: bha_eisa.c,v 1.20 2001/11/15 09:48:03 lukem Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 46 #include <machine/bus.h> 47 #include <machine/intr.h> 48 49 #include <dev/scsipi/scsipi_all.h> 50 #include <dev/scsipi/scsiconf.h> 51 52 #include <dev/eisa/eisavar.h> 53 #include <dev/eisa/eisadevs.h> 54 55 #include <dev/ic/bhareg.h> 56 #include <dev/ic/bhavar.h> 57 58 #define BHA_EISA_SLOT_OFFSET 0x0c80 59 #define BHA_EISA_IOSIZE 0x0010 60 #define BHA_ISA_IOSIZE 0x0004 61 62 #define BHA_EISA_IOCONF 0x0c 63 64 int bha_eisa_address __P((bus_space_tag_t, bus_space_handle_t, int *)); 65 int bha_eisa_match __P((struct device *, struct cfdata *, void *)); 66 void bha_eisa_attach __P((struct device *, struct device *, void *)); 67 68 struct cfattach bha_eisa_ca = { 69 sizeof(struct bha_softc), bha_eisa_match, bha_eisa_attach 70 }; 71 72 int 73 bha_eisa_address(iot, ioh, portp) 74 bus_space_tag_t iot; 75 bus_space_handle_t ioh; 76 int *portp; 77 { 78 int port; 79 80 switch (bus_space_read_1(iot, ioh, BHA_EISA_IOCONF) & 0x07) { 81 case 0x00: 82 port = 0x330; 83 break; 84 case 0x01: 85 port = 0x334; 86 break; 87 case 0x02: 88 port = 0x230; 89 break; 90 case 0x03: 91 port = 0x234; 92 break; 93 case 0x04: 94 port = 0x130; 95 break; 96 case 0x05: 97 port = 0x134; 98 break; 99 default: 100 return (1); 101 } 102 103 *portp = port; 104 return (0); 105 } 106 107 /* 108 * Check the slots looking for a board we recognise 109 * If we find one, note it's address (slot) and call 110 * the actual probe routine to check it out. 111 */ 112 int 113 bha_eisa_match(parent, match, aux) 114 struct device *parent; 115 struct cfdata *match; 116 void *aux; 117 { 118 struct eisa_attach_args *ea = aux; 119 bus_space_tag_t iot = ea->ea_iot; 120 bus_space_handle_t ioh, ioh2; 121 int port; 122 int rv; 123 124 /* must match one of our known ID strings */ 125 if (strcmp(ea->ea_idstring, "BUS4201") && 126 strcmp(ea->ea_idstring, "BUS4202")) 127 return (0); 128 129 if (bus_space_map(iot, 130 EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 131 0, &ioh)) 132 return (0); 133 134 if (bha_eisa_address(iot, ioh, &port) || 135 bus_space_map(iot, port, BHA_ISA_IOSIZE, 0, &ioh2)) { 136 bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE); 137 return (0); 138 } 139 140 rv = bha_find(iot, ioh2); 141 142 bus_space_unmap(iot, ioh2, BHA_ISA_IOSIZE); 143 bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE); 144 145 return (rv); 146 } 147 148 /* 149 * Attach all the sub-devices we can find 150 */ 151 void 152 bha_eisa_attach(parent, self, aux) 153 struct device *parent, *self; 154 void *aux; 155 { 156 struct eisa_attach_args *ea = aux; 157 struct bha_softc *sc = (void *)self; 158 bus_space_tag_t iot = ea->ea_iot; 159 bus_space_handle_t ioh, ioh2; 160 int port; 161 struct bha_probe_data bpd; 162 eisa_chipset_tag_t ec = ea->ea_ec; 163 eisa_intr_handle_t ih; 164 const char *model, *intrstr; 165 166 if (!strcmp(ea->ea_idstring, "BUS4201")) 167 model = EISA_PRODUCT_BUS4201; 168 else if (!strcmp(ea->ea_idstring, "BUS4202")) 169 model = EISA_PRODUCT_BUS4202; 170 else 171 model = "unknown model!"; 172 printf(": %s\n", model); 173 174 if (bus_space_map(iot, 175 EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 176 0, &ioh)) 177 panic("bha_eisa_attach: could not map EISA slot"); 178 179 if (bha_eisa_address(iot, ioh, &port) || 180 bus_space_map(iot, port, BHA_ISA_IOSIZE, 0, &ioh2)) 181 panic("bha_eisa_attach: could not map ISA address"); 182 183 sc->sc_iot = iot; 184 sc->sc_ioh = ioh2; 185 sc->sc_dmat = ea->ea_dmat; 186 if (!bha_probe_inquiry(iot, ioh2, &bpd)) 187 panic("bha_eisa_attach failed"); 188 189 sc->sc_dmaflags = 0; 190 191 if (eisa_intr_map(ec, bpd.sc_irq, &ih)) { 192 printf("%s: couldn't map interrupt (%d)\n", 193 sc->sc_dev.dv_xname, bpd.sc_irq); 194 return; 195 } 196 intrstr = eisa_intr_string(ec, ih); 197 sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO, 198 bha_intr, sc); 199 if (sc->sc_ih == NULL) { 200 printf("%s: couldn't establish interrupt", 201 sc->sc_dev.dv_xname); 202 if (intrstr != NULL) 203 printf(" at %s", intrstr); 204 printf("\n"); 205 return; 206 } 207 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 208 209 bha_attach(sc); 210 } 211