184 lines
5.4 KiB
C
184 lines
5.4 KiB
C
/* $NetBSD: if_xe.c,v 1.4 2000/06/01 00:49:51 matt Exp $ */
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/*
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* Copyright (c) 1998 Darrin B. Jewell
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Darrin B. Jewell
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "opt_inet.h"
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#include "bpfilter.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/syslog.h>
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#include <sys/socket.h>
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#include <sys/device.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/if_inarp.h>
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#endif
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#include <machine/autoconf.h>
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#include <machine/cpu.h>
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#include <machine/intr.h>
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#include <machine/bus.h>
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#include <next68k/next68k/isr.h>
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#include <next68k/dev/mb8795reg.h>
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#include <next68k/dev/mb8795var.h>
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#include <next68k/dev/nextdmareg.h>
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#include <next68k/dev/nextdmavar.h>
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#include <next68k/dev/if_xevar.h>
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int xe_match __P((struct device *, struct cfdata *, void *));
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void xe_attach __P((struct device *, struct device *, void *));
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int xe_tint __P((void *));
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int xe_rint __P((void *));
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struct cfattach xe_ca = {
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sizeof(struct xe_softc), xe_match, xe_attach
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};
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int
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xe_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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/* should probably probe here */
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/* Should also probably set up data from config */
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return (1);
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}
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void
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xe_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct xe_softc *xe_sc = (struct xe_softc *)self;
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struct mb8795_softc *sc = &xe_sc->sc_mb8795;
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{
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extern u_char rom_enetaddr[6]; /* kludge from machdep.c:next68k_bootargs() */
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int i;
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for(i=0;i<6;i++) {
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sc->sc_enaddr[i] = rom_enetaddr[i];
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}
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}
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printf("\n%s at MAC address %02x:%02x:%02x:%02x:%02x:%02x\n",
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sc->sc_dev.dv_xname,
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sc->sc_enaddr[0],sc->sc_enaddr[1],sc->sc_enaddr[2],
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sc->sc_enaddr[3],sc->sc_enaddr[4],sc->sc_enaddr[5]);
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/* @@@ This setup is really ugly. Instead, we should be attaching
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* the DMA controller all by itself and glue things together
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* with config.
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* Darrin B. Jewell <dbj@netbsd.org> Sat May 16 16:04:34 1998
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*/
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sc->sc_bst = NEXT68K_INTIO_BUS_SPACE;
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if (bus_space_map(sc->sc_bst, NEXT_P_ENET,
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sizeof(struct xe_regs), 0, &sc->sc_bsh)) {
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printf("\n%s: can't map mb8795 registers\n",
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sc->sc_dev.dv_xname);
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return;
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}
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/* initialize rx and tx dma channels */
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xe_sc->sc_rxdma.nd_bst = NEXT68K_INTIO_BUS_SPACE;
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if (bus_space_map(xe_sc->sc_rxdma.nd_bst, NEXT_P_ENETR_CSR,
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sizeof(struct dma_dev), BUS_SPACE_MAP_LINEAR, &xe_sc->sc_rxdma.nd_bsh)) {
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printf("\n%s: can't map ethernet receive DMA registers\n",
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sc->sc_dev.dv_xname);
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return;
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}
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xe_sc->sc_rxdma.nd_intr = NEXT_I_ENETR_DMA;
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xe_sc->sc_rxdma.nd_continue_cb = NULL;
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xe_sc->sc_rxdma.nd_completed_cb = NULL;
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xe_sc->sc_rxdma.nd_cb_arg = NULL;
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sc->sc_rx_dmat = &(xe_sc->sc_rxdma._nd_dmat);
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sc->sc_rx_nd = &(xe_sc->sc_rxdma);
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nextdma_config(sc->sc_rx_nd);
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xe_sc->sc_txdma.nd_bst = NEXT68K_INTIO_BUS_SPACE;
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if (bus_space_map(xe_sc->sc_txdma.nd_bst, NEXT_P_ENETX_CSR,
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sizeof(struct dma_dev), BUS_SPACE_MAP_LINEAR, &xe_sc->sc_txdma.nd_bsh)) {
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printf("\n%s: can't map ethernet transmit DMA registers\n",
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sc->sc_dev.dv_xname);
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return;
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}
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xe_sc->sc_txdma.nd_intr = NEXT_I_ENETX_DMA;
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xe_sc->sc_txdma.nd_continue_cb = NULL;
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xe_sc->sc_txdma.nd_completed_cb = NULL;
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xe_sc->sc_txdma.nd_cb_arg = NULL;
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sc->sc_tx_dmat = &(xe_sc->sc_txdma._nd_dmat);
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sc->sc_tx_nd = &(xe_sc->sc_txdma);
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nextdma_config(sc->sc_tx_nd);
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mb8795_config(sc);
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isrlink_autovec(xe_tint, sc, NEXT_I_IPL(NEXT_I_ENETX), 1);
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INTR_ENABLE(NEXT_I_ENETX);
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isrlink_autovec(xe_rint, sc, NEXT_I_IPL(NEXT_I_ENETR), 1);
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INTR_ENABLE(NEXT_I_ENETR);
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booted_device = &(sc->sc_dev);
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}
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int
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xe_tint(arg)
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void *arg;
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{
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if (!INTR_OCCURRED(NEXT_I_ENETX)) return 0;
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mb8795_tint((struct mb8795_softc *)arg);
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return(1);
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}
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int
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xe_rint(arg)
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void *arg;
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{
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if (!INTR_OCCURRED(NEXT_I_ENETR)) return(0);
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mb8795_rint((struct mb8795_softc *)arg);
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return(1);
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}
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