1 /* $NetBSD: if_tscs_isa.c,v 1.5 2007/10/19 12:00:18 ad 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 * 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: if_tscs_isa.c,v 1.5 2007/10/19 12:00:18 ad Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/socket.h> 45 #include <sys/device.h> 46 47 #include "rnd.h" 48 #if NRND > 0 49 #include <sys/rnd.h> 50 #endif 51 52 #include <net/if.h> 53 #include <net/if_ether.h> 54 #include <net/if_media.h> 55 56 #include <sys/bus.h> 57 #include <sys/intr.h> 58 59 #include <dev/isa/isareg.h> 60 #include <dev/isa/isavar.h> 61 #include <dev/isa/isadmavar.h> 62 63 #include <dev/ic/cs89x0reg.h> 64 #include <dev/ic/cs89x0var.h> 65 #include <dev/isa/cs89x0isavar.h> 66 67 int tscs_isa_probe(struct device *, struct cfdata *, void *); 68 void tscs_isa_attach(struct device *, struct device *, void *); 69 70 CFATTACH_DECL(tscs_isa, sizeof(struct cs_softc), 71 tscs_isa_probe, tscs_isa_attach, NULL, NULL); 72 73 int 74 tscs_isa_probe(parent, cf, aux) 75 struct device *parent; 76 struct cfdata *cf; 77 void *aux; 78 { 79 struct isa_attach_args *ia = aux; 80 bus_space_tag_t iot = ia->ia_iot; 81 bus_space_handle_t ioh, pldh; 82 struct cs_softc sc; 83 int rv = 0, have_io = 0, have_pld = 0, irq; 84 u_int8_t jpcfg; 85 86 if (ia->ia_nio < 1) 87 return (0); 88 if (ia->ia_nirq < 1) 89 return (0); 90 91 if (ISA_DIRECT_CONFIG(ia)) 92 return (0); 93 94 /* 95 * Disallow wildcarded I/O base. 96 */ 97 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 98 return (0); 99 100 /* 101 * Map the I/O space. 102 */ 103 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr - 0x300, 9, 104 0, &pldh)) 105 goto out; 106 have_pld = 1; 107 108 if ((bus_space_read_1(ia->ia_iot, pldh, 0) & 0xf) == 0xa && 109 (bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf) == 0x5 && 110 (bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf) == 0xa) { 111 bus_space_read_1(ia->ia_iot, pldh, 0x8); /* PLD rev. */ 112 jpcfg = bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf; 113 } else { 114 goto out; 115 } 116 117 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, CS8900_IOSIZE, 118 0, &ioh)) 119 goto out; 120 have_io = 1; 121 122 memset(&sc, 0, sizeof sc); 123 sc.sc_iot = iot; 124 sc.sc_ioh = ioh; 125 /* Verify that it's a Crystal product. */ 126 if (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_EISA_NUM) != 127 EISA_NUM_CRYSTAL) 128 goto out; 129 130 /* 131 * Verify that it's a supported chip. 132 */ 133 switch (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_PRODUCT_ID) & 134 PROD_ID_MASK) { 135 case PROD_ID_CS8900: 136 break; 137 default: 138 /* invalid product ID */ 139 goto out; 140 } 141 142 /* 143 * If the IRQ wasn't specified, get it from the EEPROM. 144 */ 145 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) { 146 switch (jpcfg >> 1) { 147 case 0x1: 148 irq = 5; 149 break; 150 case 0x2: 151 irq = 6; 152 break; 153 case 0x4: 154 irq = 7; 155 break; 156 default: 157 goto out; 158 } 159 } else 160 irq = ia->ia_irq[0].ir_irq; 161 162 ia->ia_nio = 1; 163 ia->ia_io[0].ir_size = CS8900_IOSIZE; 164 ia->ia_niomem = 0; 165 ia->ia_nirq = 1; 166 ia->ia_ndrq = 0; 167 ia->ia_irq[0].ir_irq = irq; 168 169 rv = 1; 170 171 out: 172 if (have_io) 173 bus_space_unmap(iot, ioh, CS8900_IOSIZE); 174 if (have_pld) 175 bus_space_unmap(iot, pldh, 0x9); 176 177 return (rv); 178 } 179 180 void 181 tscs_isa_attach(parent, self, aux) 182 struct device *parent, *self; 183 void *aux; 184 { 185 struct cs_softc *sc = (struct cs_softc *) self; 186 struct cs_softc_isa *isc = (void *) self; 187 struct isa_attach_args *ia = aux; 188 189 isc->sc_ic = ia->ia_ic; 190 sc->sc_iot = ia->ia_iot; 191 sc->sc_memt = ia->ia_memt; 192 193 isc->sc_drq = -1; 194 sc->sc_irq = ia->ia_irq[0].ir_irq; 195 196 printf(": Technologic Systems TS-ETH10\n"); 197 198 /* 199 * Map the device. 200 */ 201 if (bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr, CS8900_IOSIZE, 202 0, &sc->sc_ioh)) { 203 printf("%s: unable to map i/o space\n", sc->sc_dev.dv_xname); 204 return; 205 } 206 207 sc->sc_ih = isa_intr_establish(ia->ia_ic, sc->sc_irq, IST_EDGE, 208 IPL_NET, cs_intr, sc); 209 if (sc->sc_ih == NULL) { 210 printf("%s: unable to establish interrupt\n", 211 sc->sc_dev.dv_xname); 212 return; 213 } 214 215 sc->sc_dma_chipinit = NULL; 216 sc->sc_dma_attach = NULL; 217 sc->sc_dma_process_rx = NULL; 218 219 /* all jumper routed IRQs are connected to pseudo CS8900 IRQ 5 */ 220 sc->sc_irq = 5; 221 222 cs_attach(sc, NULL, NULL, 0, 0); 223 } 224