1 /* $NetBSD: if_tscs_isa.c,v 1.7 2008/04/28 20:23:52 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2005 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jesse Off 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: if_tscs_isa.c,v 1.7 2008/04/28 20:23:52 martin Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/socket.h> 38 #include <sys/device.h> 39 40 #include "rnd.h" 41 #if NRND > 0 42 #include <sys/rnd.h> 43 #endif 44 45 #include <net/if.h> 46 #include <net/if_ether.h> 47 #include <net/if_media.h> 48 49 #include <sys/bus.h> 50 #include <sys/intr.h> 51 52 #include <dev/isa/isareg.h> 53 #include <dev/isa/isavar.h> 54 #include <dev/isa/isadmavar.h> 55 56 #include <dev/ic/cs89x0reg.h> 57 #include <dev/ic/cs89x0var.h> 58 #include <dev/isa/cs89x0isavar.h> 59 60 int tscs_isa_probe(struct device *, struct cfdata *, void *); 61 void tscs_isa_attach(struct device *, struct device *, void *); 62 63 CFATTACH_DECL(tscs_isa, sizeof(struct cs_softc), 64 tscs_isa_probe, tscs_isa_attach, NULL, NULL); 65 66 int 67 tscs_isa_probe(parent, cf, aux) 68 struct device *parent; 69 struct cfdata *cf; 70 void *aux; 71 { 72 struct isa_attach_args *ia = aux; 73 bus_space_tag_t iot = ia->ia_iot; 74 bus_space_handle_t ioh, pldh; 75 struct cs_softc sc; 76 int rv = 0, have_io = 0, have_pld = 0, irq; 77 u_int8_t jpcfg; 78 79 if (ia->ia_nio < 1) 80 return (0); 81 if (ia->ia_nirq < 1) 82 return (0); 83 84 if (ISA_DIRECT_CONFIG(ia)) 85 return (0); 86 87 /* 88 * Disallow wildcarded I/O base. 89 */ 90 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 91 return (0); 92 93 /* 94 * Map the I/O space. 95 */ 96 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr - 0x300, 9, 97 0, &pldh)) 98 goto out; 99 have_pld = 1; 100 101 if ((bus_space_read_1(ia->ia_iot, pldh, 0) & 0xf) == 0xa && 102 (bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf) == 0x5 && 103 (bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf) == 0xa) { 104 bus_space_read_1(ia->ia_iot, pldh, 0x8); /* PLD rev. */ 105 jpcfg = bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf; 106 } else { 107 goto out; 108 } 109 110 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, CS8900_IOSIZE, 111 0, &ioh)) 112 goto out; 113 have_io = 1; 114 115 memset(&sc, 0, sizeof sc); 116 sc.sc_iot = iot; 117 sc.sc_ioh = ioh; 118 /* Verify that it's a Crystal product. */ 119 if (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_EISA_NUM) != 120 EISA_NUM_CRYSTAL) 121 goto out; 122 123 /* 124 * Verify that it's a supported chip. 125 */ 126 switch (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_PRODUCT_ID) & 127 PROD_ID_MASK) { 128 case PROD_ID_CS8900: 129 break; 130 default: 131 /* invalid product ID */ 132 goto out; 133 } 134 135 /* 136 * If the IRQ wasn't specified, get it from the EEPROM. 137 */ 138 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) { 139 switch (jpcfg >> 1) { 140 case 0x1: 141 irq = 5; 142 break; 143 case 0x2: 144 irq = 6; 145 break; 146 case 0x4: 147 irq = 7; 148 break; 149 default: 150 goto out; 151 } 152 } else 153 irq = ia->ia_irq[0].ir_irq; 154 155 ia->ia_nio = 1; 156 ia->ia_io[0].ir_size = CS8900_IOSIZE; 157 ia->ia_niomem = 0; 158 ia->ia_nirq = 1; 159 ia->ia_ndrq = 0; 160 ia->ia_irq[0].ir_irq = irq; 161 162 rv = 1; 163 164 out: 165 if (have_io) 166 bus_space_unmap(iot, ioh, CS8900_IOSIZE); 167 if (have_pld) 168 bus_space_unmap(iot, pldh, 0x9); 169 170 return (rv); 171 } 172 173 void 174 tscs_isa_attach(parent, self, aux) 175 struct device *parent, *self; 176 void *aux; 177 { 178 struct cs_softc *sc = (struct cs_softc *) self; 179 struct cs_softc_isa *isc = (void *) self; 180 struct isa_attach_args *ia = aux; 181 182 isc->sc_ic = ia->ia_ic; 183 sc->sc_iot = ia->ia_iot; 184 sc->sc_memt = ia->ia_memt; 185 186 isc->sc_drq = -1; 187 sc->sc_irq = ia->ia_irq[0].ir_irq; 188 189 printf(": Technologic Systems TS-ETH10\n"); 190 191 /* 192 * Map the device. 193 */ 194 if (bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr, CS8900_IOSIZE, 195 0, &sc->sc_ioh)) { 196 aprint_error_dev(&sc->sc_dev, "unable to map i/o space\n"); 197 return; 198 } 199 200 sc->sc_ih = isa_intr_establish(ia->ia_ic, sc->sc_irq, IST_EDGE, 201 IPL_NET, cs_intr, sc); 202 if (sc->sc_ih == NULL) { 203 aprint_error_dev(&sc->sc_dev, "unable to establish interrupt\n"); 204 return; 205 } 206 207 sc->sc_dma_chipinit = NULL; 208 sc->sc_dma_attach = NULL; 209 sc->sc_dma_process_rx = NULL; 210 211 /* all jumper routed IRQs are connected to pseudo CS8900 IRQ 5 */ 212 sc->sc_irq = 5; 213 214 cs_attach(sc, NULL, NULL, 0, 0); 215 } 216