i82365_isa.c revision 1.13
1 /* $NetBSD: i82365_isa.c,v 1.13 2000/02/22 16:04:44 thorpej Exp $ */ 2 3 #define PCICISADEBUG 4 5 /* 6 * Copyright (c) 1997 Marc Horowitz. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Marc Horowitz. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/types.h> 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 #include <sys/extent.h> 39 #include <sys/malloc.h> 40 41 #include <vm/vm.h> 42 43 #include <machine/bus.h> 44 #include <machine/intr.h> 45 46 #include <dev/isa/isareg.h> 47 #include <dev/isa/isavar.h> 48 49 #include <dev/pcmcia/pcmciareg.h> 50 #include <dev/pcmcia/pcmciavar.h> 51 #include <dev/pcmcia/pcmciachip.h> 52 53 #include <dev/ic/i82365reg.h> 54 #include <dev/ic/i82365var.h> 55 #include <dev/isa/i82365_isavar.h> 56 57 #ifdef PCICISADEBUG 58 int pcicisa_debug = 0; 59 #define DPRINTF(arg) if (pcicisa_debug) printf arg; 60 #else 61 #define DPRINTF(arg) 62 #endif 63 64 int pcic_isa_probe __P((struct device *, struct cfdata *, void *)); 65 void pcic_isa_attach __P((struct device *, struct device *, void *)); 66 67 struct cfattach pcic_isa_ca = { 68 sizeof(struct pcic_isa_softc), pcic_isa_probe, pcic_isa_attach 69 }; 70 71 static struct pcmcia_chip_functions pcic_isa_functions = { 72 pcic_chip_mem_alloc, 73 pcic_chip_mem_free, 74 pcic_chip_mem_map, 75 pcic_chip_mem_unmap, 76 77 pcic_chip_io_alloc, 78 pcic_chip_io_free, 79 pcic_chip_io_map, 80 pcic_chip_io_unmap, 81 82 pcic_isa_chip_intr_establish, 83 pcic_isa_chip_intr_disestablish, 84 85 pcic_chip_socket_enable, 86 pcic_chip_socket_disable, 87 }; 88 89 int 90 pcic_isa_probe(parent, match, aux) 91 struct device *parent; 92 struct cfdata *match; 93 void *aux; 94 { 95 struct isa_attach_args *ia = aux; 96 bus_space_tag_t iot = ia->ia_iot; 97 bus_space_handle_t ioh, memh; 98 int val, found; 99 100 /* Disallow wildcarded i/o address. */ 101 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 102 return (0); 103 104 if (bus_space_map(iot, ia->ia_iobase, PCIC_IOSIZE, 0, &ioh)) 105 return (0); 106 107 if (ia->ia_msize == -1) 108 ia->ia_msize = PCIC_MEMSIZE; 109 110 if (bus_space_map(ia->ia_memt, ia->ia_maddr, ia->ia_msize, 0, &memh)) 111 return (0); 112 113 found = 0; 114 115 /* 116 * this could be done with a loop, but it would violate the 117 * abstraction 118 */ 119 120 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT); 121 122 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 123 124 if (pcic_ident_ok(val)) 125 found++; 126 127 128 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SB + PCIC_IDENT); 129 130 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 131 132 if (pcic_ident_ok(val)) 133 found++; 134 135 136 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SA + PCIC_IDENT); 137 138 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 139 140 if (pcic_ident_ok(val)) 141 found++; 142 143 144 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SB + PCIC_IDENT); 145 146 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 147 148 if (pcic_ident_ok(val)) 149 found++; 150 151 152 bus_space_unmap(iot, ioh, PCIC_IOSIZE); 153 bus_space_unmap(ia->ia_memt, memh, ia->ia_msize); 154 155 if (!found) 156 return (0); 157 158 ia->ia_iosize = PCIC_IOSIZE; 159 160 return (1); 161 } 162 163 void 164 pcic_isa_attach(parent, self, aux) 165 struct device *parent, *self; 166 void *aux; 167 { 168 struct pcic_softc *sc = (void *) self; 169 struct pcic_isa_softc *isc = (void *) self; 170 struct isa_attach_args *ia = aux; 171 isa_chipset_tag_t ic = ia->ia_ic; 172 bus_space_tag_t iot = ia->ia_iot; 173 bus_space_tag_t memt = ia->ia_memt; 174 bus_space_handle_t ioh; 175 bus_space_handle_t memh; 176 177 /* Map i/o space. */ 178 if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) { 179 printf(": can't map i/o space\n"); 180 return; 181 } 182 183 /* Map mem space. */ 184 if (bus_space_map(memt, ia->ia_maddr, ia->ia_msize, 0, &memh)) { 185 printf(": can't map mem space\n"); 186 return; 187 } 188 189 sc->membase = ia->ia_maddr; 190 sc->subregionmask = (1 << (ia->ia_msize / PCIC_MEM_PAGESIZE)) - 1; 191 192 isc->sc_ic = ic; 193 sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions; 194 195 sc->iot = iot; 196 sc->ioh = ioh; 197 sc->memt = memt; 198 sc->memh = memh; 199 sc->irq = ia->ia_irq; 200 201 printf("\n"); 202 203 pcic_attach(sc); 204 pcic_isa_bus_width_probe(sc, iot, ioh, ia->ia_iobase, ia->ia_iosize); 205 pcic_attach_sockets(sc); 206 207 config_interrupts(self, pcic_isa_config_interrupts); 208 } 209
Indexes created Fri Sep 26 20:09:58 GMT 2025