1/* $NetBSD$ */ 2/* 3 * Copyright (c) 2010 KIYOHARA Takashi 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28#include <sys/cdefs.h> 29__KERNEL_RCSID(0, "$NetBSD$"); 30 31#include <sys/param.h> 32#include <sys/bus.h> 33#include <sys/device.h> 34#include <sys/errno.h> 35 36#include <machine/autoconf.h> 37#include <machine/intr.h> 38#include <machine/mmeye.h> 39 40#include <net/if.h> 41#include <net/if_dl.h> 42#include <net/if_ether.h> 43#include <net/if_media.h> 44 45#include <dev/ic/dp8390reg.h> 46#include <dev/ic/dp8390var.h> 47 48#include <dev/ic/ne2000reg.h> 49#include <dev/ic/ne2000var.h> 50 51#include "locators.h" 52 53static int ne_mainbus_match(device_t, cfdata_t , void *); 54static void ne_mainbus_attach(device_t, device_t, void *); 55 56CFATTACH_DECL_NEW(ne_mainbus, sizeof(struct ne2000_softc), 57 ne_mainbus_match, ne_mainbus_attach, NULL, NULL); 58 59static int 60ne_mainbus_match(device_t parent, cfdata_t match, void *aux) 61{ 62 struct mainbus_attach_args *ma = aux; 63 bus_space_tag_t nict, asict; 64 bus_space_handle_t nich, asich; 65 int rv = 0; 66 67 if (strcmp(ma->ma_name, match->cf_name) != 0) 68 return 0; 69 70 /* Disallow wildcarded values. */ 71 if (ma->ma_addr1 == MAINBUSCF_ADDR1_DEFAULT || 72 ma->ma_irq1 == MAINBUSCF_IRQ1_DEFAULT) 73 return 0; 74 75 /* Make sure this is a valid NE[12]000 i/o address. */ 76 if ((ma->ma_addr1 & 0x1f) != 0) 77 return 0; 78 79 /* Map i/o space. */ 80 nict = SH3_BUS_SPACE_PCMCIA_IO; 81 if (bus_space_map(nict, ma->ma_addr1, NE2000_NPORTS, 0, &nich)) 82 return 0; 83 84 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 85 NE2000_ASIC_NPORTS, &asich)) 86 goto out; 87 asict = nict; 88 89 /* Look for an NE2000-compatible card. */ 90 rv = ne2000_detect(nict, nich, asict, asich); 91 92 out: 93 bus_space_unmap(nict, nich, NE2000_NPORTS); 94 return rv; 95} 96 97void 98ne_mainbus_attach(device_t parent, device_t self, void *aux) 99{ 100 struct ne2000_softc *sc = device_private(self); 101 struct dp8390_softc *dsc = &sc->sc_dp8390; 102 struct mainbus_attach_args *ma = aux; 103 bus_space_tag_t nict, asict; 104 bus_space_handle_t nich, asich; 105 int netype; 106 const char *typestr; 107 void *ih; 108 109 dsc->sc_dev = self; 110 aprint_normal("\n"); 111 112 /* Map i/o space. */ 113 nict = SH3_BUS_SPACE_PCMCIA_IO; 114 if (bus_space_map(nict, ma->ma_addr1, NE2000_NPORTS, 0, &nich)) { 115 aprint_error_dev(self, "can't map i/o space\n"); 116 return; 117 } 118 119 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 120 NE2000_ASIC_NPORTS, &asich)) { 121 aprint_error_dev(self, "can't subregion i/o space\n"); 122 return; 123 } 124 asict = nict; 125 126 dsc->sc_regt = nict; 127 dsc->sc_regh = nich; 128 129 sc->sc_asict = asict; 130 sc->sc_asich = asich; 131 132 /* 133 * Detect it again, so we can print some information about the 134 * interface. 135 */ 136 netype = ne2000_detect(nict, nich, asict, asich); 137 switch (netype) { 138 case NE2000_TYPE_RTL8019: 139 typestr = "NE2000 (RTL8019)"; 140 break; 141 142 case NE2000_TYPE_NE1000: 143 case NE2000_TYPE_NE2000: 144 default: 145 aprint_error_dev(self, "where did the card go?!\n"); 146 return; 147 } 148 149 aprint_normal_dev(self, "%s Ethernet\n", typestr); 150 151 /* This interface is always enabled. */ 152 dsc->sc_enabled = 1; 153 154 /* 155 * Do generic NE2000 attach. This will read the station address 156 * from the EEPROM. 157 */ 158 ne2000_attach(sc, NULL); 159 160 /* Establish the interrupt handler. */ 161 ih = mmeye_intr_establish(ma->ma_irq1, IST_LEVEL, IPL_NET, 162 dp8390_intr, dsc); 163 if (ih == NULL) 164 aprint_error_dev(self, 165 "couldn't establish interrupt handler\n"); 166} 167