i82365_isa.c revision 1.14
1 /* $NetBSD: i82365_isa.c,v 1.14 2000/06/28 16:27:53 mrg 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 <machine/bus.h> 42 #include <machine/intr.h> 43 44 #include <dev/isa/isareg.h> 45 #include <dev/isa/isavar.h> 46 47 #include <dev/pcmcia/pcmciareg.h> 48 #include <dev/pcmcia/pcmciavar.h> 49 #include <dev/pcmcia/pcmciachip.h> 50 51 #include <dev/ic/i82365reg.h> 52 #include <dev/ic/i82365var.h> 53 #include <dev/isa/i82365_isavar.h> 54 55 #ifdef PCICISADEBUG 56 int pcicisa_debug = 0; 57 #define DPRINTF(arg) if (pcicisa_debug) printf arg; 58 #else 59 #define DPRINTF(arg) 60 #endif 61 62 int pcic_isa_probe __P((struct device *, struct cfdata *, void *)); 63 void pcic_isa_attach __P((struct device *, struct device *, void *)); 64 65 struct cfattach pcic_isa_ca = { 66 sizeof(struct pcic_isa_softc), pcic_isa_probe, pcic_isa_attach 67 }; 68 69 static struct pcmcia_chip_functions pcic_isa_functions = { 70 pcic_chip_mem_alloc, 71 pcic_chip_mem_free, 72 pcic_chip_mem_map, 73 pcic_chip_mem_unmap, 74 75 pcic_chip_io_alloc, 76 pcic_chip_io_free, 77 pcic_chip_io_map, 78 pcic_chip_io_unmap, 79 80 pcic_isa_chip_intr_establish, 81 pcic_isa_chip_intr_disestablish, 82 83 pcic_chip_socket_enable, 84 pcic_chip_socket_disable, 85 }; 86 87 int 88 pcic_isa_probe(parent, match, aux) 89 struct device *parent; 90 struct cfdata *match; 91 void *aux; 92 { 93 struct isa_attach_args *ia = aux; 94 bus_space_tag_t iot = ia->ia_iot; 95 bus_space_handle_t ioh, memh; 96 int val, found; 97 98 /* Disallow wildcarded i/o address. */ 99 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 100 return (0); 101 102 if (bus_space_map(iot, ia->ia_iobase, PCIC_IOSIZE, 0, &ioh)) 103 return (0); 104 105 if (ia->ia_msize == -1) 106 ia->ia_msize = PCIC_MEMSIZE; 107 108 if (bus_space_map(ia->ia_memt, ia->ia_maddr, ia->ia_msize, 0, &memh)) 109 return (0); 110 111 found = 0; 112 113 /* 114 * this could be done with a loop, but it would violate the 115 * abstraction 116 */ 117 118 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT); 119 120 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 121 122 if (pcic_ident_ok(val)) 123 found++; 124 125 126 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SB + PCIC_IDENT); 127 128 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 129 130 if (pcic_ident_ok(val)) 131 found++; 132 133 134 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SA + PCIC_IDENT); 135 136 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 137 138 if (pcic_ident_ok(val)) 139 found++; 140 141 142 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SB + PCIC_IDENT); 143 144 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 145 146 if (pcic_ident_ok(val)) 147 found++; 148 149 150 bus_space_unmap(iot, ioh, PCIC_IOSIZE); 151 bus_space_unmap(ia->ia_memt, memh, ia->ia_msize); 152 153 if (!found) 154 return (0); 155 156 ia->ia_iosize = PCIC_IOSIZE; 157 158 return (1); 159 } 160 161 void 162 pcic_isa_attach(parent, self, aux) 163 struct device *parent, *self; 164 void *aux; 165 { 166 struct pcic_softc *sc = (void *) self; 167 struct pcic_isa_softc *isc = (void *) self; 168 struct isa_attach_args *ia = aux; 169 isa_chipset_tag_t ic = ia->ia_ic; 170 bus_space_tag_t iot = ia->ia_iot; 171 bus_space_tag_t memt = ia->ia_memt; 172 bus_space_handle_t ioh; 173 bus_space_handle_t memh; 174 175 /* Map i/o space. */ 176 if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) { 177 printf(": can't map i/o space\n"); 178 return; 179 } 180 181 /* Map mem space. */ 182 if (bus_space_map(memt, ia->ia_maddr, ia->ia_msize, 0, &memh)) { 183 printf(": can't map mem space\n"); 184 return; 185 } 186 187 sc->membase = ia->ia_maddr; 188 sc->subregionmask = (1 << (ia->ia_msize / PCIC_MEM_PAGESIZE)) - 1; 189 190 isc->sc_ic = ic; 191 sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions; 192 193 sc->iot = iot; 194 sc->ioh = ioh; 195 sc->memt = memt; 196 sc->memh = memh; 197 sc->irq = ia->ia_irq; 198 199 printf("\n"); 200 201 pcic_attach(sc); 202 pcic_isa_bus_width_probe(sc, iot, ioh, ia->ia_iobase, ia->ia_iosize); 203 pcic_attach_sockets(sc); 204 205 config_interrupts(self, pcic_isa_config_interrupts); 206 } 207
Indexes created Mon Oct 20 20:10:13 GMT 2025