i82365_isa.c revision 1.15
1 /* $NetBSD: i82365_isa.c,v 1.15 2001/11/13 08:01:14 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Marc Horowitz. 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. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Marc Horowitz. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: i82365_isa.c,v 1.15 2001/11/13 08:01:14 lukem Exp $"); 34 35 #define PCICISADEBUG 36 37 #include <sys/types.h> 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/device.h> 41 #include <sys/extent.h> 42 #include <sys/malloc.h> 43 44 #include <machine/bus.h> 45 #include <machine/intr.h> 46 47 #include <dev/isa/isareg.h> 48 #include <dev/isa/isavar.h> 49 50 #include <dev/pcmcia/pcmciareg.h> 51 #include <dev/pcmcia/pcmciavar.h> 52 #include <dev/pcmcia/pcmciachip.h> 53 54 #include <dev/ic/i82365reg.h> 55 #include <dev/ic/i82365var.h> 56 #include <dev/isa/i82365_isavar.h> 57 58 #ifdef PCICISADEBUG 59 int pcicisa_debug = 0; 60 #define DPRINTF(arg) if (pcicisa_debug) printf arg; 61 #else 62 #define DPRINTF(arg) 63 #endif 64 65 int pcic_isa_probe __P((struct device *, struct cfdata *, void *)); 66 void pcic_isa_attach __P((struct device *, struct device *, void *)); 67 68 struct cfattach pcic_isa_ca = { 69 sizeof(struct pcic_isa_softc), pcic_isa_probe, pcic_isa_attach 70 }; 71 72 static struct pcmcia_chip_functions pcic_isa_functions = { 73 pcic_chip_mem_alloc, 74 pcic_chip_mem_free, 75 pcic_chip_mem_map, 76 pcic_chip_mem_unmap, 77 78 pcic_chip_io_alloc, 79 pcic_chip_io_free, 80 pcic_chip_io_map, 81 pcic_chip_io_unmap, 82 83 pcic_isa_chip_intr_establish, 84 pcic_isa_chip_intr_disestablish, 85 86 pcic_chip_socket_enable, 87 pcic_chip_socket_disable, 88 }; 89 90 int 91 pcic_isa_probe(parent, match, aux) 92 struct device *parent; 93 struct cfdata *match; 94 void *aux; 95 { 96 struct isa_attach_args *ia = aux; 97 bus_space_tag_t iot = ia->ia_iot; 98 bus_space_handle_t ioh, memh; 99 int val, found; 100 101 /* Disallow wildcarded i/o address. */ 102 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 103 return (0); 104 105 if (bus_space_map(iot, ia->ia_iobase, PCIC_IOSIZE, 0, &ioh)) 106 return (0); 107 108 if (ia->ia_msize == -1) 109 ia->ia_msize = PCIC_MEMSIZE; 110 111 if (bus_space_map(ia->ia_memt, ia->ia_maddr, ia->ia_msize, 0, &memh)) 112 return (0); 113 114 found = 0; 115 116 /* 117 * this could be done with a loop, but it would violate the 118 * abstraction 119 */ 120 121 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT); 122 123 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 124 125 if (pcic_ident_ok(val)) 126 found++; 127 128 129 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SB + PCIC_IDENT); 130 131 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 132 133 if (pcic_ident_ok(val)) 134 found++; 135 136 137 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SA + PCIC_IDENT); 138 139 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 140 141 if (pcic_ident_ok(val)) 142 found++; 143 144 145 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SB + PCIC_IDENT); 146 147 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 148 149 if (pcic_ident_ok(val)) 150 found++; 151 152 153 bus_space_unmap(iot, ioh, PCIC_IOSIZE); 154 bus_space_unmap(ia->ia_memt, memh, ia->ia_msize); 155 156 if (!found) 157 return (0); 158 159 ia->ia_iosize = PCIC_IOSIZE; 160 161 return (1); 162 } 163 164 void 165 pcic_isa_attach(parent, self, aux) 166 struct device *parent, *self; 167 void *aux; 168 { 169 struct pcic_softc *sc = (void *) self; 170 struct pcic_isa_softc *isc = (void *) self; 171 struct isa_attach_args *ia = aux; 172 isa_chipset_tag_t ic = ia->ia_ic; 173 bus_space_tag_t iot = ia->ia_iot; 174 bus_space_tag_t memt = ia->ia_memt; 175 bus_space_handle_t ioh; 176 bus_space_handle_t memh; 177 178 /* Map i/o space. */ 179 if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) { 180 printf(": can't map i/o space\n"); 181 return; 182 } 183 184 /* Map mem space. */ 185 if (bus_space_map(memt, ia->ia_maddr, ia->ia_msize, 0, &memh)) { 186 printf(": can't map mem space\n"); 187 return; 188 } 189 190 sc->membase = ia->ia_maddr; 191 sc->subregionmask = (1 << (ia->ia_msize / PCIC_MEM_PAGESIZE)) - 1; 192 193 isc->sc_ic = ic; 194 sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions; 195 196 sc->iot = iot; 197 sc->ioh = ioh; 198 sc->memt = memt; 199 sc->memh = memh; 200 sc->irq = ia->ia_irq; 201 202 printf("\n"); 203 204 pcic_attach(sc); 205 pcic_isa_bus_width_probe(sc, iot, ioh, ia->ia_iobase, ia->ia_iosize); 206 pcic_attach_sockets(sc); 207 208 config_interrupts(self, pcic_isa_config_interrupts); 209 } 210
Indexes created Mon Sep 29 21:09:56 GMT 2025