if_le.c revision 1.24
1 /* $NetBSD: if_le.c,v 1.24 1995/12/10 00:49:33 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c) 1995 Charles M. Hannum. All rights reserved. 5 * Copyright (c) 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Ralph Campbell and Rick Macklem. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 40 */ 41 42 #include "bpfilter.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/mbuf.h> 47 #include <sys/syslog.h> 48 #include <sys/socket.h> 49 #include <sys/device.h> 50 51 #include <net/if.h> 52 53 #ifdef INET 54 #include <netinet/in.h> 55 #include <netinet/if_ether.h> 56 #endif 57 58 #include <machine/cpu.h> 59 #include <machine/mtpr.h> 60 61 #include <hp300/hp300/isr.h> 62 #ifdef USELEDS 63 #include <hp300/hp300/led.h> 64 #endif 65 66 #include <hp300/dev/device.h> 67 #include <hp300/dev/if_lereg.h> 68 #include <hp300/dev/if_levar.h> 69 #include <dev/ic/am7990reg.h> 70 #define LE_NEED_BUF_CONTIG 71 #include <dev/ic/am7990var.h> 72 73 #include "le.h" 74 struct le_softc le_softc[NLE]; 75 76 #define LE_SOFTC(unit) &le_softc[unit] 77 #define LE_DELAY(x) DELAY(x) 78 #define LEINTR_UNIT 79 80 int lematch __P((struct hp_device *)); 81 void leattach __P((struct hp_device *)); 82 int leintr __P((int)); 83 84 struct driver ledriver = { 85 lematch, leattach, "le", 86 }; 87 88 /* offsets for: ID, REGS, MEM, NVRAM */ 89 int lestd[] = { 0, 0x4000, 0x8000, 0xC008 }; 90 91 integrate void 92 lewrcsr(sc, port, val) 93 struct le_softc *sc; 94 u_int16_t port, val; 95 { 96 register struct lereg0 *ler0 = sc->sc_r0; 97 register struct lereg1 *ler1 = sc->sc_r1; 98 99 do { 100 ler1->ler1_rap = port; 101 } while ((ler0->ler0_status & LE_ACK) == 0); 102 do { 103 ler1->ler1_rdp = val; 104 } while ((ler0->ler0_status & LE_ACK) == 0); 105 } 106 107 integrate u_int16_t 108 lerdcsr(sc, port) 109 struct le_softc *sc; 110 u_int16_t port; 111 { 112 register struct lereg0 *ler0 = sc->sc_r0; 113 register struct lereg1 *ler1 = sc->sc_r1; 114 u_int16_t val; 115 116 do { 117 ler1->ler1_rap = port; 118 } while ((ler0->ler0_status & LE_ACK) == 0); 119 do { 120 val = ler1->ler1_rdp; 121 } while ((ler0->ler0_status & LE_ACK) == 0); 122 return (val); 123 } 124 125 int 126 lematch(hd) 127 struct hp_device *hd; 128 { 129 register struct lereg0 *ler0; 130 struct le_softc *sc = LE_SOFTC(hd->hp_unit); 131 132 ler0 = (struct lereg0 *)(lestd[0] + (int)hd->hp_addr); 133 if (ler0->ler0_id != LEID) 134 return (0); 135 136 hd->hp_ipl = LE_IPL(ler0->ler0_status); 137 sc->sc_hd = hd; 138 139 return (1); 140 } 141 142 /* 143 * Interface exists: make available by filling in network interface 144 * record. System will initialize the interface when it is ready 145 * to accept packets. 146 */ 147 void 148 leattach(hd) 149 struct hp_device *hd; 150 { 151 register struct lereg0 *ler0; 152 struct le_softc *sc = LE_SOFTC(hd->hp_unit); 153 char *cp; 154 int i; 155 156 ler0 = sc->sc_r0 = (struct lereg0 *)(lestd[0] + (int)hd->hp_addr); 157 ler0->ler0_id = 0xFF; 158 DELAY(100); 159 160 /* XXXX kluge for now */ 161 sc->sc_dev.dv_unit = hd->hp_unit; 162 sprintf(sc->sc_dev.dv_xname, "%s%d", ledriver.d_name, hd->hp_unit); 163 164 sc->sc_r1 = (struct lereg1 *)(lestd[1] + (int)hd->hp_addr); 165 sc->sc_mem = (void *)(lestd[2] + (int)hd->hp_addr); 166 sc->sc_conf3 = LE_C3_BSWP; 167 sc->sc_addr = 0; 168 sc->sc_memsize = 16384; 169 170 /* 171 * Read the ethernet address off the board, one nibble at a time. 172 */ 173 cp = (char *)(lestd[3] + (int)hd->hp_addr); 174 for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++) { 175 sc->sc_arpcom.ac_enaddr[i] = (*++cp & 0xF) << 4; 176 cp++; 177 sc->sc_arpcom.ac_enaddr[i] |= *++cp & 0xF; 178 cp++; 179 } 180 181 sc->sc_copytodesc = copytobuf_contig; 182 sc->sc_copyfromdesc = copyfrombuf_contig; 183 sc->sc_copytobuf = copytobuf_contig; 184 sc->sc_copyfrombuf = copyfrombuf_contig; 185 sc->sc_zerobuf = zerobuf_contig; 186 187 sc->sc_arpcom.ac_if.if_name = ledriver.d_name; 188 leconfig(sc); 189 190 sc->sc_isr.isr_intr = leintr; 191 sc->sc_isr.isr_arg = hd->hp_unit; 192 sc->sc_isr.isr_ipl = hd->hp_ipl; 193 isrlink(&sc->sc_isr); 194 ler0->ler0_status = LE_IE; 195 } 196 197 #include <dev/ic/am7990.c> 198
Indexes created Thu Sep 25 06:09:39 GMT 2025