Annotation of sys/dev/sbus/if_hme_sbus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_hme_sbus.c,v 1.11 2006/12/21 22:13:36 jason Exp $ */
! 2: /* $NetBSD: if_hme_sbus.c,v 1.6 2001/02/28 14:52:48 mrg Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1999 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Paul Kranenburg.
! 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 device driver for the HME ethernet device.
! 42: */
! 43:
! 44: #include <sys/param.h>
! 45: #include <sys/systm.h>
! 46: #include <sys/syslog.h>
! 47: #include <sys/device.h>
! 48: #include <sys/malloc.h>
! 49: #include <sys/socket.h>
! 50:
! 51: #include <net/if.h>
! 52: #include <net/if_dl.h>
! 53: #include <net/if_media.h>
! 54:
! 55: #ifdef INET
! 56: #include <netinet/in.h>
! 57: #include <netinet/in_systm.h>
! 58: #include <netinet/in_var.h>
! 59: #include <netinet/ip.h>
! 60: #include <netinet/if_ether.h>
! 61: #endif
! 62:
! 63: #include <dev/mii/mii.h>
! 64: #include <dev/mii/miivar.h>
! 65:
! 66: #include <machine/bus.h>
! 67: #include <machine/intr.h>
! 68: #include <machine/autoconf.h>
! 69:
! 70: #include <dev/sbus/sbusvar.h>
! 71: #include <dev/ic/hmevar.h>
! 72: #include <dev/ofw/openfirm.h>
! 73:
! 74: struct hmesbus_softc {
! 75: struct hme_softc hsc_hme; /* HME device */
! 76: };
! 77:
! 78: int hmematch_sbus(struct device *, void *, void *);
! 79: void hmeattach_sbus(struct device *, struct device *, void *);
! 80:
! 81: struct cfattach hme_sbus_ca = {
! 82: sizeof(struct hmesbus_softc), hmematch_sbus, hmeattach_sbus
! 83: };
! 84:
! 85: int
! 86: hmematch_sbus(struct device *parent, void *vcf, void *aux)
! 87: {
! 88: struct cfdata *cf = vcf;
! 89: struct sbus_attach_args *sa = aux;
! 90:
! 91: return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0 ||
! 92: strcmp("SUNW,qfe", sa->sa_name) == 0 ||
! 93: strcmp("SUNW,hme", sa->sa_name) == 0);
! 94: }
! 95:
! 96: void
! 97: hmeattach_sbus(struct device *parent, struct device *self, void *aux)
! 98: {
! 99: struct sbus_attach_args *sa = aux;
! 100: struct hmesbus_softc *hsc = (void *)self;
! 101: struct hme_softc *sc = &hsc->hsc_hme;
! 102: u_int32_t burst, sbusburst;
! 103: int node;
! 104: /* XXX the following declarations should be elsewhere */
! 105: extern void myetheraddr(u_char *);
! 106:
! 107: node = sa->sa_node;
! 108:
! 109: /* Pass on the bus tags */
! 110: sc->sc_bustag = sa->sa_bustag;
! 111: sc->sc_dmatag = sa->sa_dmatag;
! 112:
! 113: if (sa->sa_nreg < 5) {
! 114: printf("%s: only %d register sets\n",
! 115: self->dv_xname, sa->sa_nreg);
! 116: return;
! 117: }
! 118:
! 119: /*
! 120: * Map five register banks:
! 121: *
! 122: * bank 0: HME SEB registers
! 123: * bank 1: HME ETX registers
! 124: * bank 2: HME ERX registers
! 125: * bank 3: HME MAC registers
! 126: * bank 4: HME MIF registers
! 127: *
! 128: */
! 129: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot,
! 130: (bus_addr_t)sa->sa_reg[0].sbr_offset,
! 131: (bus_size_t)sa->sa_reg[0].sbr_size, 0, 0, &sc->sc_seb) != 0) {
! 132: printf("%s @ sbus: cannot map registers\n", self->dv_xname);
! 133: return;
! 134: }
! 135: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[1].sbr_slot,
! 136: (bus_addr_t)sa->sa_reg[1].sbr_offset,
! 137: (bus_size_t)sa->sa_reg[1].sbr_size, 0, 0, &sc->sc_etx) != 0) {
! 138: printf("%s @ sbus: cannot map registers\n", self->dv_xname);
! 139: return;
! 140: }
! 141: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[2].sbr_slot,
! 142: (bus_addr_t)sa->sa_reg[2].sbr_offset,
! 143: (bus_size_t)sa->sa_reg[2].sbr_size, 0, 0, &sc->sc_erx) != 0) {
! 144: printf("%s @ sbus: cannot map registers\n", self->dv_xname);
! 145: return;
! 146: }
! 147: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[3].sbr_slot,
! 148: (bus_addr_t)sa->sa_reg[3].sbr_offset,
! 149: (bus_size_t)sa->sa_reg[3].sbr_size, 0, 0, &sc->sc_mac) != 0) {
! 150: printf("%s @ sbus: cannot map registers\n", self->dv_xname);
! 151: return;
! 152: }
! 153: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[4].sbr_slot,
! 154: (bus_addr_t)sa->sa_reg[4].sbr_offset,
! 155: (bus_size_t)sa->sa_reg[4].sbr_size, 0, 0, &sc->sc_mif) != 0) {
! 156: printf("%s @ sbus: cannot map registers\n", self->dv_xname);
! 157: return;
! 158: }
! 159:
! 160: if (OF_getprop(sa->sa_node, "local-mac-address",
! 161: sc->sc_arpcom.ac_enaddr, ETHER_ADDR_LEN) <= 0)
! 162: myetheraddr(sc->sc_arpcom.ac_enaddr);
! 163:
! 164: /*
! 165: * Get transfer burst size from PROM and pass it on
! 166: * to the back-end driver.
! 167: */
! 168: sbusburst = ((struct sbus_softc *)parent)->sc_burst;
! 169: if (sbusburst == 0)
! 170: sbusburst = SBUS_BURST_32 - 1; /* 1->16 */
! 171:
! 172: burst = getpropint(node, "burst-sizes", -1);
! 173: if (burst == -1)
! 174: /* take SBus burst sizes */
! 175: burst = sbusburst;
! 176:
! 177: /* Clamp at parent's burst sizes */
! 178: burst &= sbusburst;
! 179:
! 180: /* Translate into plain numerical format */
! 181: if ((burst & SBUS_BURST_64))
! 182: sc->sc_burst = 64;
! 183: else if ((burst & SBUS_BURST_32))
! 184: sc->sc_burst = 32;
! 185: else if ((burst & SBUS_BURST_16))
! 186: sc->sc_burst = 16;
! 187: else
! 188: sc->sc_burst = 0;
! 189:
! 190: sc->sc_pci = 0; /* XXXXX should all be done in bus_dma. */
! 191:
! 192: /* Establish interrupt handler */
! 193: if (sa->sa_nintr != 0)
! 194: (void)bus_intr_establish(sa->sa_bustag, sa->sa_pri, IPL_NET, 0,
! 195: hme_intr, sc, self->dv_xname);
! 196:
! 197: hme_config(sc);
! 198: }
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