Annotation of sys/arch/aviion/dev/if_le_syscon.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_le_syscon.c,v 1.2 2006/05/21 12:22:02 miod Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 1996 The NetBSD Foundation, Inc.
! 5: * All rights reserved.
! 6: *
! 7: * This code is derived from software contributed to The NetBSD Foundation
! 8: * by Adam Glass and Gordon W. Ross.
! 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 REGENTS OR CONTRIBUTORS BE
! 30: * 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/param.h>
! 40: #include <sys/systm.h>
! 41: #include <sys/mbuf.h>
! 42: #include <sys/syslog.h>
! 43: #include <sys/socket.h>
! 44: #include <sys/device.h>
! 45:
! 46: #include <net/if.h>
! 47:
! 48: #ifdef INET
! 49: #include <netinet/in.h>
! 50: #include <netinet/if_ether.h>
! 51: #endif
! 52:
! 53: #include <net/if_media.h>
! 54:
! 55: #include <machine/autoconf.h>
! 56: #include <machine/cpu.h>
! 57:
! 58: #include <aviion/dev/sysconreg.h>
! 59:
! 60: #include <dev/ic/am7990reg.h>
! 61: #include <dev/ic/am7990var.h>
! 62:
! 63: /*
! 64: * LANCE registers. Although these are 16 bit registers, on the AV400
! 65: * design, they need to be accessed as 32 bit registers. Bus magic...
! 66: * The real stuff is in dev/ic/am7990reg.h
! 67: */
! 68: struct av_lereg {
! 69: volatile u_int32_t ler1_rdp; /* data port */
! 70: volatile u_int32_t ler1_rap; /* register select port */
! 71: };
! 72:
! 73: /*
! 74: * Ethernet software status per interface.
! 75: * The real stuff is in dev/ic/am7990var.h
! 76: */
! 77: struct le_softc {
! 78: struct am7990_softc sc_am7990; /* glue to MI code */
! 79:
! 80: struct av_lereg *sc_r1; /* LANCE registers */
! 81: struct intrhand sc_ih;
! 82: };
! 83:
! 84: int le_syscon_match(struct device *, void *, void *);
! 85: void le_syscon_attach(struct device *, struct device *, void *);
! 86:
! 87: struct cfattach le_syscon_ca = {
! 88: sizeof(struct le_softc), le_syscon_match, le_syscon_attach
! 89: };
! 90:
! 91: void le_syscon_wrcsr(struct am7990_softc *, u_int16_t, u_int16_t);
! 92: u_int16_t le_syscon_rdcsr(struct am7990_softc *, u_int16_t);
! 93:
! 94: void
! 95: le_syscon_wrcsr(sc, port, val)
! 96: struct am7990_softc *sc;
! 97: u_int16_t port, val;
! 98: {
! 99: struct av_lereg *ler1 = ((struct le_softc *)sc)->sc_r1;
! 100:
! 101: ler1->ler1_rap = port;
! 102: ler1->ler1_rdp = val;
! 103: }
! 104:
! 105: u_int16_t
! 106: le_syscon_rdcsr(sc, port)
! 107: struct am7990_softc *sc;
! 108: u_int16_t port;
! 109: {
! 110: struct av_lereg *ler1 = ((struct le_softc *)sc)->sc_r1;
! 111: u_int16_t val;
! 112:
! 113: ler1->ler1_rap = port;
! 114: val = ler1->ler1_rdp;
! 115: return (val);
! 116: }
! 117:
! 118: int
! 119: le_syscon_match(parent, cf, aux)
! 120: struct device *parent;
! 121: void *cf, *aux;
! 122: {
! 123: return (1);
! 124: }
! 125:
! 126: void
! 127: le_syscon_attach(parent, self, aux)
! 128: struct device *parent, *self;
! 129: void *aux;
! 130: {
! 131: struct le_softc *lesc = (struct le_softc *)self;
! 132: struct am7990_softc *sc = &lesc->sc_am7990;
! 133: struct confargs *ca = aux;
! 134: extern void *etherbuf;
! 135: extern size_t etherlen;
! 136:
! 137: if (etherbuf == NULL) {
! 138: printf(": no available memory, kernel is too large\n");
! 139: return;
! 140: }
! 141:
! 142: lesc->sc_r1 = (struct av_lereg *)ca->ca_paddr;
! 143:
! 144: sc->sc_mem = (void *)etherbuf;
! 145: etherbuf = NULL;
! 146: sc->sc_conf3 = LE_C3_BSWP;
! 147: sc->sc_addr = (u_long)sc->sc_mem & 0x00ffffff;
! 148: sc->sc_memsize = etherlen;
! 149:
! 150: myetheraddr(sc->sc_arpcom.ac_enaddr);
! 151:
! 152: sc->sc_copytodesc = am7990_copytobuf_contig;
! 153: sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
! 154: sc->sc_copytobuf = am7990_copytobuf_contig;
! 155: sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
! 156: sc->sc_zerobuf = am7990_zerobuf_contig;
! 157:
! 158: sc->sc_rdcsr = le_syscon_rdcsr;
! 159: sc->sc_wrcsr = le_syscon_wrcsr;
! 160: sc->sc_hwreset = NULL;
! 161: sc->sc_hwinit = NULL;
! 162:
! 163: am7990_config(sc);
! 164:
! 165: lesc->sc_ih.ih_fn = am7990_intr;
! 166: lesc->sc_ih.ih_arg = sc;
! 167: lesc->sc_ih.ih_wantframe = 0;
! 168: lesc->sc_ih.ih_ipl = ca->ca_ipl;
! 169:
! 170: sysconintr_establish(SYSCV_LE, &lesc->sc_ih, self->dv_xname);
! 171: }
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