Annotation of sys/dev/sbus/if_gem_sbus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_gem_sbus.c,v 1.2 2006/12/21 22:16:09 jason Exp $ */
! 2: /* $NetBSD: if_gem_sbus.c,v 1.1 2006/11/24 13:23:32 martin Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 2006 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Martin Husemann.
! 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 NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: /*
! 41: * SBus front-end for the GEM network driver
! 42: */
! 43:
! 44: #if 0
! 45: #include <sys/cdefs.h>
! 46: __KERNEL_RCSID(0, "$NetBSD: if_gem_sbus.c,v 1.1 2006/11/24 13:23:32 martin Exp $");
! 47: #endif
! 48:
! 49: #include <sys/param.h>
! 50: #include <sys/systm.h>
! 51: #include <sys/syslog.h>
! 52: #include <sys/device.h>
! 53: #include <sys/malloc.h>
! 54: #include <sys/socket.h>
! 55:
! 56: #include <net/if.h>
! 57: #include <net/if_dl.h>
! 58: #include <net/if_media.h>
! 59:
! 60: #ifdef INET
! 61: #include <netinet/in.h>
! 62: #include <netinet/in_systm.h>
! 63: #include <netinet/in_var.h>
! 64: #include <netinet/ip.h>
! 65: #include <netinet/if_ether.h>
! 66: #endif
! 67:
! 68: #include <dev/mii/mii.h>
! 69: #include <dev/mii/miivar.h>
! 70:
! 71: #include <machine/bus.h>
! 72: #include <machine/intr.h>
! 73: #include <machine/autoconf.h>
! 74:
! 75: #include <dev/sbus/sbusvar.h>
! 76:
! 77: #include <dev/ic/gemreg.h>
! 78: #include <dev/ic/gemvar.h>
! 79:
! 80: #include <dev/ofw/openfirm.h>
! 81:
! 82: struct gem_sbus_softc {
! 83: struct gem_softc gsc_gem; /* GEM device */
! 84: };
! 85:
! 86: int gemmatch_sbus(struct device *, void *, void *);
! 87: void gemattach_sbus(struct device *, struct device *, void *);
! 88:
! 89: struct cfattach gem_sbus_ca = {
! 90: sizeof(struct gem_sbus_softc), gemmatch_sbus, gemattach_sbus
! 91: };
! 92:
! 93: int
! 94: gemmatch_sbus(struct device *parent, void *vcf, void *aux)
! 95: {
! 96: struct sbus_attach_args *sa = aux;
! 97:
! 98: return (strcmp("network", sa->sa_name) == 0);
! 99: }
! 100:
! 101: void
! 102: gemattach_sbus(struct device *parent, struct device *self, void *aux)
! 103: {
! 104: struct sbus_attach_args *sa = aux;
! 105: struct gem_sbus_softc *gsc = (void *)self;
! 106: struct gem_softc *sc = &gsc->gsc_gem;
! 107: /* XXX the following declarations should be elsewhere */
! 108: extern void myetheraddr(u_char *);
! 109:
! 110: /* Pass on the bus tags */
! 111: sc->sc_bustag = sa->sa_bustag;
! 112: sc->sc_dmatag = sa->sa_dmatag;
! 113:
! 114: if (sa->sa_nreg < 2) {
! 115: printf("%s: only %d register sets\n",
! 116: self->dv_xname, sa->sa_nreg);
! 117: return;
! 118: }
! 119:
! 120: /*
! 121: * Map two register banks:
! 122: *
! 123: * bank 0: status, config, reset
! 124: * bank 1: various gem parts
! 125: *
! 126: */
! 127: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot,
! 128: (bus_addr_t)sa->sa_reg[0].sbr_offset,
! 129: (bus_size_t)sa->sa_reg[0].sbr_size, 0, 0,
! 130: &sc->sc_h2) != 0) {
! 131: printf("%s: cannot map registers\n", self->dv_xname);
! 132: return;
! 133: }
! 134: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot,
! 135: (bus_addr_t)sa->sa_reg[1].sbr_offset,
! 136: (bus_size_t)sa->sa_reg[1].sbr_size, 0, 0,
! 137: &sc->sc_h1) != 0) {
! 138: printf("%s: cannot map registers\n", self->dv_xname);
! 139: return;
! 140: }
! 141:
! 142: if (OF_getprop(sa->sa_node, "local-mac-address",
! 143: sc->sc_arpcom.ac_enaddr, ETHER_ADDR_LEN) <= 0)
! 144: myetheraddr(sc->sc_arpcom.ac_enaddr);
! 145:
! 146: /*
! 147: * SBUS config
! 148: */
! 149: bus_space_write_4(sa->sa_bustag, sc->sc_h2, GEM_SBUS_CONFIG,
! 150: GEM_SBUS_CFG_PARITY|GEM_SBUS_CFG_BMODE64);
! 151:
! 152: /* Establish interrupt handler */
! 153: if (sa->sa_nintr != 0)
! 154: (void)bus_intr_establish(sa->sa_bustag, sa->sa_pri, IPL_NET, 0,
! 155: gem_intr, sc, self->dv_xname);
! 156:
! 157: gem_config(sc);
! 158: }
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