184 lines
4.8 KiB
C
184 lines
4.8 KiB
C
/* $NetBSD: if_ne_xsh.c,v 1.4 2013/08/13 15:43:25 rkujawa Exp $ */
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/*-
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* Copyright (c) 2013 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 Radoslaw Kujawa.
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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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#include <sys/cdefs.h>
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/*
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* X-Surf 100 driver, ne(4) attachment.
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*/
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/syslog.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <machine/cpu.h>
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#include <net/if.h>
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#include <net/if_media.h>
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#include <net/if_ether.h>
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#include <dev/ic/dp8390reg.h>
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#include <dev/ic/dp8390var.h>
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#include <dev/ic/ne2000reg.h>
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#include <dev/ic/ne2000var.h>
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#include <dev/ic/ax88190var.h>
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#include <amiga/amiga/device.h>
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#include <amiga/amiga/isr.h>
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#include <amiga/dev/xshvar.h>
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#include <amiga/dev/zbusvar.h>
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/* #define NE_XSH_DEBUG 1 */
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int ne_xsh_match(device_t, cfdata_t , void *);
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void ne_xsh_attach(device_t, device_t, void *);
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#ifdef NE_XSH_DEBUG
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void ne_xsh_debug_mapping(bus_space_tag_t, bus_space_handle_t,
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bus_space_handle_t);
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#endif /* NE_XSH_DEBUG */
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struct ne_xsh_softc {
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struct ne2000_softc sc_ne2000;
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struct bus_space_tag sc_bst;
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struct isr sc_isr;
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};
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CFATTACH_DECL_NEW(ne_xsh, sizeof(struct ne_xsh_softc),
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ne_xsh_match, ne_xsh_attach, NULL, NULL);
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int
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ne_xsh_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct xshbus_attach_args *xap = aux;
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if (strcmp(xap->xaa_name, "ne_xsh") != 0)
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return 0;
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return 1;
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}
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void
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ne_xsh_attach(device_t parent, device_t self, void *aux)
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{
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struct ne_xsh_softc *zsc = device_private(self);
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struct ne2000_softc *nsc = &zsc->sc_ne2000;
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struct dp8390_softc *dsc = &nsc->sc_dp8390;
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struct xshbus_attach_args *xap = aux;
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bus_space_tag_t xsht;
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bus_space_handle_t nich;
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bus_space_handle_t asich;
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dsc->sc_dev = self;
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zsc->sc_bst.base = xap->xaa_base;
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zsc->sc_bst.absm = &amiga_bus_stride_4;
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aprint_normal("\n");
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xsht = &zsc->sc_bst;
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/* Map the NIC and ASIC spaces. */
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if (bus_space_map(xsht, NE2000_NIC_OFFSET, NE2000_NPORTS, 0, &nich)) {
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aprint_error_dev(self, "can't map nic i/o space\n");
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return;
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}
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if (bus_space_subregion(xsht, nich, NE2000_ASIC_OFFSET,
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NE2000_ASIC_NPORTS, &asich)) {
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aprint_error_dev(self, "can't map asic i/o space\n");
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return;
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}
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#ifdef NE_XSH_DEBUG
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ne_xsh_debug_mapping(xsht, nich, asich);
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#endif /* NE_XSH_DEBUG */
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dsc->sc_regt = xsht;
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dsc->sc_regh = nich;
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nsc->sc_asict = xsht;
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nsc->sc_asich = asich;
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/* This interface is always enabled. */
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dsc->sc_enabled = 1;
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nsc->sc_type = NE2000_TYPE_AX88796;
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dsc->sc_mediachange = ax88190_mediachange;
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dsc->sc_mediastatus = ax88190_mediastatus;
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dsc->init_card = ax88190_init_card;
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dsc->stop_card = ax88190_stop_card;
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dsc->sc_media_init = ax88190_media_init;
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dsc->sc_media_fini = ax88190_media_fini;
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/*
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* Do generic NE2000 attach. This will read the station address
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* from the EEPROM.
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*/
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ne2000_attach(nsc, NULL);
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zsc->sc_isr.isr_intr = dp8390_intr;
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zsc->sc_isr.isr_arg = dsc;
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zsc->sc_isr.isr_ipl = 2;
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add_isr(&zsc->sc_isr);
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}
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#ifdef NE_XSH_DEBUG
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void
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ne_xsh_debug_mapping(bus_space_tag_t xsht, bus_space_handle_t nich,
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bus_space_handle_t asich)
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{
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bus_addr_t va;
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int i;
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aprint_normal("xsh: NIC mapping: ");
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for(va = nich, i = 0; i < NE2000_NIC_NPORTS; i++) {
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aprint_normal("%x:%x ", i, kvtop((void*) (va+i)));
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}
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aprint_normal("\n");
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aprint_normal("xsh: ASIC mapping: ");
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for(va = asich, i = 0; i < NE2000_ASIC_NPORTS; i++) {
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aprint_normal("%x:%x ", i, kvtop((void*) (va+i)));
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}
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aprint_normal("\n");
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}
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#endif /* NE_XSH_DEBUG */
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