1 /* $NetBSD: if_tscs_isa.c,v 1.14 2009/09/22 16:44:08 tsutsui 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 1.14 2009/09/22 16:44:08 tsutsui 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 static int tscs_isa_probe(device_t, cfdata_t, void *); 61 static void tscs_isa_attach(device_t, device_t, void *); 62 63 CFATTACH_DECL_NEW(tscs_isa, sizeof(struct cs_softc_isa), 64 tscs_isa_probe, tscs_isa_attach, NULL, NULL); 65 66 int 67 tscs_isa_probe(device_t parent, cfdata_t cf, void *aux) 68 { 69 struct isa_attach_args *ia = aux; 70 bus_space_tag_t iot = ia->ia_iot; 71 bus_space_handle_t ioh, pldh; 72 struct cs_softc sc; 73 int rv = 0, have_io = 0, have_pld = 0, irq; 74 u_int8_t jpcfg; 75 76 if (ia->ia_nio < 1) 77 return (0); 78 if (ia->ia_nirq < 1) 79 return (0); 80 81 if (ISA_DIRECT_CONFIG(ia)) 82 return (0); 83 84 /* 85 * Disallow wildcarded I/O base. 86 */ 87 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 88 return (0); 89 90 /* 91 * Map the I/O space. 92 */ 93 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr - 0x300, 9, 94 0, &pldh)) 95 goto out; 96 have_pld = 1; 97 98 if ((bus_space_read_1(ia->ia_iot, pldh, 0) & 0xf) == 0xa && 99 (bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf) == 0x5 && 100 (bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf) == 0xa) { 101 bus_space_read_1(ia->ia_iot, pldh, 0x8); /* PLD rev. */ 102 jpcfg = bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf; 103 } else { 104 goto out; 105 } 106 107 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, CS8900_IOSIZE, 108 0, &ioh)) 109 goto out; 110 have_io = 1; 111 112 memset(&sc, 0, sizeof sc); 113 sc.sc_iot = iot; 114 sc.sc_ioh = ioh; 115 /* Verify that it's a Crystal product. */ 116 if (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_EISA_NUM) != 117 EISA_NUM_CRYSTAL) 118 goto out; 119 120 /* 121 * Verify that it's a supported chip. 122 */ 123 switch (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_PRODUCT_ID) & 124 PROD_ID_MASK) { 125 case PROD_ID_CS8900: 126 break; 127 default: 128 /* invalid product ID */ 129 goto out; 130 } 131 132 /* 133 * If the IRQ wasn't specified, get it from the EEPROM. 134 */ 135 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) { 136 switch (jpcfg >> 1) { 137 case 0x1: 138 irq = 5; 139 break; 140 case 0x2: 141 irq = 6; 142 break; 143 case 0x4: 144 irq = 7; 145 break; 146 default: 147 goto out; 148 } 149 } else 150 irq = ia->ia_irq[0].ir_irq; 151 152 ia->ia_nio = 1; 153 ia->ia_io[0].ir_size = CS8900_IOSIZE; 154 ia->ia_niomem = 0; 155 ia->ia_nirq = 1; 156 ia->ia_ndrq = 0; 157 ia->ia_irq[0].ir_irq = irq; 158 159 rv = 1; 160 161 out: 162 if (have_io) 163 bus_space_unmap(iot, ioh, CS8900_IOSIZE); 164 if (have_pld) 165 bus_space_unmap(iot, pldh, 0x9); 166 167 return (rv); 168 } 169 170 void 171 tscs_isa_attach(device_t parent, device_t self, void *aux) 172 { 173 struct cs_softc_isa *isc = device_private(self); 174 struct cs_softc *sc = &isc->sc_cs; 175 struct isa_attach_args *ia = aux; 176 177 sc->sc_dev = self; 178 isc->sc_ic = ia->ia_ic; 179 sc->sc_iot = ia->ia_iot; 180 sc->sc_memt = ia->ia_memt; 181 182 isc->sc_drq = -1; 183 sc->sc_irq = ia->ia_irq[0].ir_irq; 184 185 printf(": Technologic Systems TS-ETH10\n"); 186 187 /* 188 * Map the device. 189 */ 190 if (bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr, CS8900_IOSIZE, 191 0, &sc->sc_ioh)) { 192 aprint_error_dev(self, "unable to map i/o space\n"); 193 return; 194 } 195 196 sc->sc_ih = isa_intr_establish(ia->ia_ic, sc->sc_irq, IST_EDGE, 197 IPL_NET, cs_intr, sc); 198 if (sc->sc_ih == NULL) { 199 aprint_error_dev(self, "unable to establish interrupt\n"); 200 return; 201 } 202 203 sc->sc_dma_chipinit = NULL; 204 sc->sc_dma_attach = NULL; 205 sc->sc_dma_process_rx = NULL; 206 207 /* all jumper routed IRQs are connected to pseudo CS8900 IRQ 5 */ 208 sc->sc_irq = 5; 209 210 cs_attach(sc, NULL, NULL, 0, 0); 211 } 212