216 lines
6.8 KiB
C
216 lines
6.8 KiB
C
/* $NetBSD: if_le.c,v 1.36 2010/01/19 22:06:21 pooka Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Charles M. Hannum.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell and Rick Macklem.
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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. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)if_le.c 8.2 (Berkeley) 11/16/93
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.36 2010/01/19 22:06:21 pooka Exp $");
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#include "opt_inet.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 <uvm/uvm_extern.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/bus.h>
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#include <mvme68k/dev/pccreg.h>
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#include <mvme68k/dev/pccvar.h>
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#include <dev/ic/lancereg.h>
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#include <dev/ic/lancevar.h>
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#include <dev/ic/am7990reg.h>
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#include <dev/ic/am7990var.h>
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#include <mvme68k/dev/if_lereg.h>
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#include <mvme68k/dev/if_levar.h>
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#include "ioconf.h"
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int le_pcc_match(device_t, cfdata_t, void *);
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void le_pcc_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(le_pcc, sizeof(struct le_softc),
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le_pcc_match, le_pcc_attach, NULL, NULL);
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#if defined(_KERNEL_OPT)
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#include "opt_ddb.h"
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#endif
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#ifdef DDB
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#define hide
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#else
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#define hide static
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#endif
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hide void le_pcc_wrcsr(struct lance_softc *, uint16_t, uint16_t);
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hide uint16_t le_pcc_rdcsr(struct lance_softc *, uint16_t);
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hide void
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le_pcc_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
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{
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struct le_softc *lsc;
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lsc = (struct le_softc *)sc;
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bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port);
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bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP, val);
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}
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hide uint16_t
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le_pcc_rdcsr(struct lance_softc *sc, uint16_t port)
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{
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struct le_softc *lsc;
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lsc = (struct le_softc *)sc;
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bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port);
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return bus_space_read_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP);
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}
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/* ARGSUSED */
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int
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le_pcc_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct pcc_attach_args *pa = aux;
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if (strcmp(pa->pa_name, le_cd.cd_name))
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return 0;
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pa->pa_ipl = cf->pcccf_ipl;
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return 1;
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}
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/* ARGSUSED */
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void
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le_pcc_attach(device_t parent, device_t self, void *aux)
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{
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struct le_softc *lsc;
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struct lance_softc *sc;
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struct pcc_attach_args *pa;
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bus_dma_segment_t seg;
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int rseg;
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lsc = device_private(self);
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sc = &lsc->sc_am7990.lsc;
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sc->sc_dev = self;
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pa = aux;
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/* Map control registers. */
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lsc->sc_bust = pa->pa_bust;
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bus_space_map(pa->pa_bust, pa->pa_offset, 4, 0, &lsc->sc_bush);
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/* Get contiguous DMA-able memory for the lance */
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if (bus_dmamem_alloc(pa->pa_dmat, ether_data_buff_size, PAGE_SIZE, 0,
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&seg, 1, &rseg,
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BUS_DMA_NOWAIT | BUS_DMA_ONBOARD_RAM | BUS_DMA_24BIT)) {
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aprint_error(": Failed to allocate ether buffer\n");
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return;
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}
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if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, ether_data_buff_size,
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(void **)&sc->sc_mem, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) {
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aprint_error(": Failed to map ether buffer\n");
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bus_dmamem_free(pa->pa_dmat, &seg, rseg);
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return;
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}
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sc->sc_addr = seg.ds_addr;
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sc->sc_memsize = ether_data_buff_size;
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sc->sc_conf3 = LE_C3_BSWP;
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memcpy(sc->sc_enaddr, mvme_ea, ETHER_ADDR_LEN);
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sc->sc_copytodesc = lance_copytobuf_contig;
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sc->sc_copyfromdesc = lance_copyfrombuf_contig;
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sc->sc_copytobuf = lance_copytobuf_contig;
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sc->sc_copyfrombuf = lance_copyfrombuf_contig;
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sc->sc_zerobuf = lance_zerobuf_contig;
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sc->sc_rdcsr = le_pcc_rdcsr;
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sc->sc_wrcsr = le_pcc_wrcsr;
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sc->sc_hwinit = NULL;
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am7990_config(&lsc->sc_am7990);
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evcnt_attach_dynamic(&lsc->sc_evcnt, EVCNT_TYPE_INTR,
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pccintr_evcnt(pa->pa_ipl), "ether", device_xname(self));
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pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc, &lsc->sc_evcnt);
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pcc_reg_write(sys_pcc, PCCREG_LANCE_INTR_CTRL,
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pa->pa_ipl | PCC_IENABLE);
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}
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