1/* $NetBSD: if_tscs_isa.c,v 1.15 2012/02/02 19:43:04 tls 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 1.15 2012/02/02 19:43:04 tls 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 <net/if.h> 41#include <net/if_ether.h> 42#include <net/if_media.h> 43 44#include <sys/bus.h> 45#include <sys/intr.h> 46 47#include <dev/isa/isareg.h> 48#include <dev/isa/isavar.h> 49#include <dev/isa/isadmavar.h> 50 51#include <dev/ic/cs89x0reg.h> 52#include <dev/ic/cs89x0var.h> 53#include <dev/isa/cs89x0isavar.h> 54 55static int tscs_isa_probe(device_t, cfdata_t, void *); 56static void tscs_isa_attach(device_t, device_t, void *); 57 58CFATTACH_DECL_NEW(tscs_isa, sizeof(struct cs_softc_isa), 59 tscs_isa_probe, tscs_isa_attach, NULL, NULL); 60 61int 62tscs_isa_probe(device_t parent, cfdata_t cf, void *aux) 63{ 64 struct isa_attach_args *ia = aux; 65 bus_space_tag_t iot = ia->ia_iot; 66 bus_space_handle_t ioh, pldh; 67 struct cs_softc sc; 68 int rv = 0, have_io = 0, have_pld = 0, irq; 69 u_int8_t jpcfg; 70 71 if (ia->ia_nio < 1) 72 return (0); 73 if (ia->ia_nirq < 1) 74 return (0); 75 76 if (ISA_DIRECT_CONFIG(ia)) 77 return (0); 78 79 /* 80 * Disallow wildcarded I/O base. 81 */ 82 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 83 return (0); 84 85 /* 86 * Map the I/O space. 87 */ 88 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr - 0x300, 9, 89 0, &pldh)) 90 goto out; 91 have_pld = 1; 92 93 if ((bus_space_read_1(ia->ia_iot, pldh, 0) & 0xf) == 0xa && 94 (bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf) == 0x5 && 95 (bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf) == 0xa) { 96 bus_space_read_1(ia->ia_iot, pldh, 0x8); /* PLD rev. */ 97 jpcfg = bus_space_read_1(ia->ia_iot, pldh, 0x8) & 0xf; 98 } else { 99 goto out; 100 } 101 102 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, CS8900_IOSIZE, 103 0, &ioh)) 104 goto out; 105 have_io = 1; 106 107 memset(&sc, 0, sizeof sc); 108 sc.sc_iot = iot; 109 sc.sc_ioh = ioh; 110 /* Verify that it's a Crystal product. */ 111 if (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_EISA_NUM) != 112 EISA_NUM_CRYSTAL) 113 goto out; 114 115 /* 116 * Verify that it's a supported chip. 117 */ 118 switch (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_PRODUCT_ID) & 119 PROD_ID_MASK) { 120 case PROD_ID_CS8900: 121 break; 122 default: 123 /* invalid product ID */ 124 goto out; 125 } 126 127 /* 128 * If the IRQ wasn't specified, get it from the EEPROM. 129 */ 130 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) { 131 switch (jpcfg >> 1) { 132 case 0x1: 133 irq = 5; 134 break; 135 case 0x2: 136 irq = 6; 137 break; 138 case 0x4: 139 irq = 7; 140 break; 141 default: 142 goto out; 143 } 144 } else 145 irq = ia->ia_irq[0].ir_irq; 146 147 ia->ia_nio = 1; 148 ia->ia_io[0].ir_size = CS8900_IOSIZE; 149 ia->ia_niomem = 0; 150 ia->ia_nirq = 1; 151 ia->ia_ndrq = 0; 152 ia->ia_irq[0].ir_irq = irq; 153 154 rv = 1; 155 156 out: 157 if (have_io) 158 bus_space_unmap(iot, ioh, CS8900_IOSIZE); 159 if (have_pld) 160 bus_space_unmap(iot, pldh, 0x9); 161 162 return (rv); 163} 164 165void 166tscs_isa_attach(device_t parent, device_t self, void *aux) 167{ 168 struct cs_softc_isa *isc = device_private(self); 169 struct cs_softc *sc = &isc->sc_cs; 170 struct isa_attach_args *ia = aux; 171 172 sc->sc_dev = self; 173 isc->sc_ic = ia->ia_ic; 174 sc->sc_iot = ia->ia_iot; 175 sc->sc_memt = ia->ia_memt; 176 177 isc->sc_drq = -1; 178 sc->sc_irq = ia->ia_irq[0].ir_irq; 179 180 printf(": Technologic Systems TS-ETH10\n"); 181 182 /* 183 * Map the device. 184 */ 185 if (bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr, CS8900_IOSIZE, 186 0, &sc->sc_ioh)) { 187 aprint_error_dev(self, "unable to map i/o space\n"); 188 return; 189 } 190 191 sc->sc_ih = isa_intr_establish(ia->ia_ic, sc->sc_irq, IST_EDGE, 192 IPL_NET, cs_intr, sc); 193 if (sc->sc_ih == NULL) { 194 aprint_error_dev(self, "unable to establish interrupt\n"); 195 return; 196 } 197 198 sc->sc_dma_chipinit = NULL; 199 sc->sc_dma_attach = NULL; 200 sc->sc_dma_process_rx = NULL; 201 202 /* all jumper routed IRQs are connected to pseudo CS8900 IRQ 5 */ 203 sc->sc_irq = 5; 204 205 cs_attach(sc, NULL, NULL, 0, 0); 206} 207