1 /* $NetBSD: bha_eisa.c,v 1.23 2002/10/02 16:33:46 thorpej 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 1.23 2002/10/02 16:33:46 thorpej 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 CFATTACH_DECL(bha_eisa, sizeof(struct bha_softc), 69 bha_eisa_match, bha_eisa_attach, NULL, NULL); 70 71 int 72 bha_eisa_address(iot, ioh, portp) 73 bus_space_tag_t iot; 74 bus_space_handle_t ioh; 75 int *portp; 76 { 77 int port; 78 79 switch (bus_space_read_1(iot, ioh, BHA_EISA_IOCONF) & 0x07) { 80 case 0x00: 81 port = 0x330; 82 break; 83 case 0x01: 84 port = 0x334; 85 break; 86 case 0x02: 87 port = 0x230; 88 break; 89 case 0x03: 90 port = 0x234; 91 break; 92 case 0x04: 93 port = 0x130; 94 break; 95 case 0x05: 96 port = 0x134; 97 break; 98 default: 99 return (1); 100 } 101 102 *portp = port; 103 return (0); 104 } 105 106 /* 107 * Check the slots looking for a board we recognise 108 * If we find one, note it's address (slot) and call 109 * the actual probe routine to check it out. 110 */ 111 int 112 bha_eisa_match(parent, match, aux) 113 struct device *parent; 114 struct cfdata *match; 115 void *aux; 116 { 117 struct eisa_attach_args *ea = aux; 118 bus_space_tag_t iot = ea->ea_iot; 119 bus_space_handle_t ioh, ioh2; 120 int port; 121 int rv; 122 123 /* must match one of our known ID strings */ 124 if (strcmp(ea->ea_idstring, "BUS4201") && 125 strcmp(ea->ea_idstring, "BUS4202")) 126 return (0); 127 128 if (bus_space_map(iot, 129 EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 130 0, &ioh)) 131 return (0); 132 133 if (bha_eisa_address(iot, ioh, &port) || 134 bus_space_map(iot, port, BHA_ISA_IOSIZE, 0, &ioh2)) { 135 bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE); 136 return (0); 137 } 138 139 rv = bha_find(iot, ioh2); 140 141 bus_space_unmap(iot, ioh2, BHA_ISA_IOSIZE); 142 bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE); 143 144 return (rv); 145 } 146 147 /* 148 * Attach all the sub-devices we can find 149 */ 150 void 151 bha_eisa_attach(parent, self, aux) 152 struct device *parent, *self; 153 void *aux; 154 { 155 struct eisa_attach_args *ea = aux; 156 struct bha_softc *sc = (void *)self; 157 bus_space_tag_t iot = ea->ea_iot; 158 bus_space_handle_t ioh, ioh2; 159 int port; 160 struct bha_probe_data bpd; 161 eisa_chipset_tag_t ec = ea->ea_ec; 162 eisa_intr_handle_t ih; 163 const char *model, *intrstr; 164 165 if (!strcmp(ea->ea_idstring, "BUS4201")) 166 model = EISA_PRODUCT_BUS4201; 167 else if (!strcmp(ea->ea_idstring, "BUS4202")) 168 model = EISA_PRODUCT_BUS4202; 169 else 170 model = "unknown model!"; 171 printf(": %s\n", model); 172 173 if (bus_space_map(iot, 174 EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 175 0, &ioh)) 176 panic("bha_eisa_attach: could not map EISA slot"); 177 178 if (bha_eisa_address(iot, ioh, &port) || 179 bus_space_map(iot, port, BHA_ISA_IOSIZE, 0, &ioh2)) 180 panic("bha_eisa_attach: could not map ISA address"); 181 182 sc->sc_iot = iot; 183 sc->sc_ioh = ioh2; 184 sc->sc_dmat = ea->ea_dmat; 185 if (!bha_probe_inquiry(iot, ioh2, &bpd)) 186 panic("bha_eisa_attach failed"); 187 188 sc->sc_dmaflags = 0; 189 190 if (eisa_intr_map(ec, bpd.sc_irq, &ih)) { 191 printf("%s: couldn't map interrupt (%d)\n", 192 sc->sc_dev.dv_xname, bpd.sc_irq); 193 return; 194 } 195 intrstr = eisa_intr_string(ec, ih); 196 sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO, 197 bha_intr, sc); 198 if (sc->sc_ih == NULL) { 199 printf("%s: couldn't establish interrupt", 200 sc->sc_dev.dv_xname); 201 if (intrstr != NULL) 202 printf(" at %s", intrstr); 203 printf("\n"); 204 return; 205 } 206 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 207 208 bha_attach(sc); 209 } 210