4 files changed, 0 insertions, 1293 deletions

diff --git a/sys/dev/cm/if_cm_isa.c b/sys/dev/cm/if_cm_isa.c
deleted file mode 100644
index 885354b579bbb..0000000000000
--- a/sys/dev/cm/if_cm_isa.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/*	$NetBSD: if_bah_zbus.c,v 1.6 2000/01/23 21:06:12 aymeric Exp $ */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-NetBSD
- *
- * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Ignatios Souvatzis.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/socket.h>
-#include <sys/kernel.h>
-#include <sys/malloc.h>
-
-#include <sys/module.h>
-#include <sys/bus.h>
-
-#include <machine/bus.h>
-#include <sys/rman.h>
-#include <machine/resource.h>
-
-#include <net/if.h>
-#include <net/if_var.h>
-#include <net/if_arc.h>
-
-#include <dev/cm/smc90cx6reg.h>
-#include <dev/cm/smc90cx6var.h>
-
-static int cm_isa_probe		(device_t);
-static int cm_isa_attach	(device_t);
-
-static int
-cm_isa_probe(dev)
-	device_t dev;
-{
-	struct cm_softc *sc = device_get_softc(dev);
-	int rid;
-
-	rid = 0;
-	sc->port_res = bus_alloc_resource_anywhere(
-	    dev, SYS_RES_IOPORT, &rid, CM_IO_PORTS, RF_ACTIVE);
-	if (sc->port_res == NULL)
-		return (ENOENT);
-
-	if (GETREG(CMSTAT) == 0xff) {
-		cm_release_resources(dev);
-		return (ENXIO);
-	}
-
-	rid = 0;
-	sc->mem_res = bus_alloc_resource_anywhere(
-	    dev, SYS_RES_MEMORY, &rid, CM_MEM_SIZE, RF_ACTIVE);
-	if (sc->mem_res == NULL) {
-		cm_release_resources(dev);
-		return (ENOENT);
-	}
-
-	rid = 0;
-	sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
-	if (sc->irq_res == NULL) {
-		cm_release_resources(dev);
-		return (ENOENT);
-	}
-
-	return (0);
-}
-
-static int
-cm_isa_attach(dev)
-	device_t dev;
-{
-	struct cm_softc *sc = device_get_softc(dev);
-	int error;
-
-	/* init mtx and setup interrupt */
-	mtx_init(&sc->sc_mtx, device_get_nameunit(dev),
-	    MTX_NETWORK_LOCK, MTX_DEF);
-	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
-	    NULL, cmintr, sc, &sc->irq_handle);
-	if (error)
-		goto err;
-
-	/* attach */
-	error = cm_attach(dev);
-	if (error)
-		goto err;
-
-	gone_in_dev(dev, 12, "cm(4) driver");
-	return 0;
-
-err:
-	mtx_destroy(&sc->sc_mtx);
-	cm_release_resources(dev);
-	return (error);
-}
-
-static int
-cm_isa_detach(device_t dev)
-{
-	struct cm_softc *sc = device_get_softc(dev);
-	struct ifnet *ifp = sc->sc_ifp;
-
-	/* stop and detach */
-	CM_LOCK(sc);
-	cm_stop_locked(sc);
-	ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
-	CM_UNLOCK(sc);
-
-	callout_drain(&sc->sc_recon_ch);
-	arc_ifdetach(ifp);
-
-	/* teardown interrupt, destroy mtx and release resources */
-	bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
-	mtx_destroy(&sc->sc_mtx);
-	if_free(ifp);
-	cm_release_resources(dev);
-
-	bus_generic_detach(dev);
-	return (0);
-}
-
-static device_method_t cm_isa_methods[] = {
-	/* Device interface */
-	DEVMETHOD(device_probe,		cm_isa_probe),
-	DEVMETHOD(device_attach,	cm_isa_attach),
-	DEVMETHOD(device_detach,	cm_isa_detach),
-
-	{ 0, 0 }
-};
-
-static driver_t cm_isa_driver = {
-	"cm",
-	cm_isa_methods,
-	sizeof(struct cm_softc)
-};
-
-DRIVER_MODULE(cm, isa, cm_isa_driver, cm_devclass, 0, 0);
-MODULE_DEPEND(cm, isa, 1, 1, 1);
diff --git a/sys/dev/cm/smc90cx6.c b/sys/dev/cm/smc90cx6.c
deleted file mode 100644
index dd3bc401851a0..0000000000000
--- a/sys/dev/cm/smc90cx6.c
+++ /dev/null
@@ -1,926 +0,0 @@
-/*	$NetBSD: smc90cx6.c,v 1.38 2001/07/07 15:57:53 thorpej Exp $ */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-NetBSD
- *
- * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Ignatios Souvatzis.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * Chip core driver for the SMC90c26 / SMC90c56 (and SMC90c66 in '56
- * compatibility mode) boards
- */
-
-/* #define CMSOFTCOPY */
-#define CMRETRANSMIT /**/
-/* #define CM_DEBUG */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/sockio.h>
-#include <sys/mbuf.h>
-#include <sys/module.h>
-#include <sys/kernel.h>
-#include <sys/socket.h>
-#include <sys/syslog.h>
-#include <sys/bus.h>
-
-#include <machine/bus.h>
-#include <sys/rman.h>
-#include <machine/resource.h>
-
-#include <net/if.h>
-#include <net/if_var.h>
-#include <net/if_dl.h>
-#include <net/if_types.h>
-#include <net/if_arc.h>
-
-#include <dev/cm/smc90cx6reg.h>
-#include <dev/cm/smc90cx6var.h>
-
-MODULE_DEPEND(if_cm, arcnet, 1, 1, 1);
-
-/* these should be elsewhere */
-
-#define ARC_MIN_LEN 1
-#define ARC_MIN_FORBID_LEN 254
-#define ARC_MAX_FORBID_LEN 256
-#define ARC_MAX_LEN 508
-#define ARC_ADDR_LEN 1
-
-/* for watchdog timer. This should be more than enough. */
-#define ARCTIMEOUT (5*IFNET_SLOWHZ)
-
-devclass_t cm_devclass;
-
-/*
- * This currently uses 2 bufs for tx, 2 for rx
- *
- * New rx protocol:
- *
- * rx has a fillcount variable. If fillcount > (NRXBUF-1),
- * rx can be switched off from rx hard int.
- * Else rx is restarted on the other receiver.
- * rx soft int counts down. if it is == (NRXBUF-1), it restarts
- * the receiver.
- * To ensure packet ordering (we need that for 1201 later), we have a counter
- * which is incremented modulo 256 on each receive and a per buffer
- * variable, which is set to the counter on filling. The soft int can
- * compare both values to determine the older packet.
- *
- * Transmit direction:
- *
- * cm_start checks tx_fillcount
- * case 2: return
- *
- * else fill tx_act ^ 1 && inc tx_fillcount
- *
- * check tx_fillcount again.
- * case 2: set IFF_DRV_OACTIVE to stop arc_output from filling us.
- * case 1: start tx
- *
- * tint clears IFF_OACTIVE, decrements and checks tx_fillcount
- * case 1: start tx on tx_act ^ 1, softcall cm_start
- * case 0: softcall cm_start
- *
- * #define fill(i) get mbuf && copy mbuf to chip(i)
- */
-
-void	cm_init(void *);
-static void cm_init_locked(struct cm_softc *);
-static void cm_reset_locked(struct cm_softc *);
-void	cm_start(struct ifnet *);
-void	cm_start_locked(struct ifnet *);
-int	cm_ioctl(struct ifnet *, unsigned long, caddr_t);
-void	cm_watchdog(void *);
-void	cm_srint_locked(void *vsc);
-static	void cm_tint_locked(struct cm_softc *, int);
-void	cm_reconwatch_locked(void *);
-
-/*
- * Release all resources
- */
-void
-cm_release_resources(dev)
-	device_t dev;
-{
-	struct cm_softc *sc = device_get_softc(dev);
-
-	if (sc->port_res != NULL) {
-		bus_release_resource(dev, SYS_RES_IOPORT,
-				     0, sc->port_res);
-		sc->port_res = NULL;
-	}
-	if (sc->mem_res != NULL) {
-		bus_release_resource(dev, SYS_RES_MEMORY,
-				     0, sc->mem_res);
-		sc->mem_res = NULL;
-	}
-	if (sc->irq_res != NULL) {
-		bus_release_resource(dev, SYS_RES_IRQ,
-				     0, sc->irq_res);
-		sc->irq_res = NULL;
-	}
-}
-
-int
-cm_attach(dev)
-	device_t dev;
-{
-	struct cm_softc *sc = device_get_softc(dev);
-	struct ifnet *ifp;
-	u_int8_t linkaddress;
-
-	ifp = sc->sc_ifp = if_alloc(IFT_ARCNET);
-	if (ifp == NULL)
-		return (ENOSPC);
-
-	/*
-	 * read the arcnet address from the board
-	 */
-	GETREG(CMRESET);
-	do {
-		DELAY(200);
-	} while (!(GETREG(CMSTAT) & CM_POR));
-	linkaddress = GETMEM(CMMACOFF);
-
-	/* clear the int mask... */
-	sc->sc_intmask = 0;
-	PUTREG(CMSTAT, 0);
-
-	PUTREG(CMCMD, CM_CONF(CONF_LONG));
-	PUTREG(CMCMD, CM_CLR(CLR_POR|CLR_RECONFIG));
-	sc->sc_recontime = sc->sc_reconcount = 0;
-
-	/*
-	 * set interface to stopped condition (reset)
-	 */
-	cm_stop_locked(sc);
-
-	ifp->if_softc = sc;
-	if_initname(ifp, device_get_name(dev), device_get_unit(dev));
-	ifp->if_output = arc_output;
-	ifp->if_start = cm_start;
-	ifp->if_ioctl = cm_ioctl;
-	ifp->if_init = cm_init;
-	/* XXX IFQ_SET_READY(&ifp->if_snd); */
-	ifp->if_snd.ifq_maxlen = ifqmaxlen;
-	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX;
-
-	arc_ifattach(ifp, linkaddress);
-
-#ifdef CMSOFTCOPY
-	sc->sc_rxcookie = softintr_establish(IPL_SOFTNET, cm_srint, sc);
-	sc->sc_txcookie = softintr_establish(IPL_SOFTNET,
-		(void (*)(void *))cm_start, ifp);
-#endif
-
-	callout_init_mtx(&sc->sc_recon_ch, &sc->sc_mtx, 0);
-	callout_init_mtx(&sc->sc_watchdog_timer, &sc->sc_mtx, 0);
-
-	if_printf(ifp, "link addr 0x%02x (%d)\n", linkaddress, linkaddress);
-	return 0;
-}
-
-/*
- * Initialize device
- *
- */
-void
-cm_init(xsc)
-	void *xsc;
-{
-	struct cm_softc *sc = (struct cm_softc *)xsc;
-
-	CM_LOCK(sc);
-	cm_init_locked(sc);
-	CM_UNLOCK(sc);
-}
-
-static void
-cm_init_locked(struct cm_softc *sc)
-{
-	struct ifnet *ifp = sc->sc_ifp;
-
-	if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
-		ifp->if_drv_flags |= IFF_DRV_RUNNING;
-		cm_reset_locked(sc);
-	}
-}
-
-/*
- * Reset the interface...
- *
- * Assumes that it is called with sc_mtx held
- */
-void
-cm_reset_locked(sc)
-	struct cm_softc *sc;
-{
-	struct ifnet *ifp;
-	int linkaddress;
-
-	ifp = sc->sc_ifp;
-
-#ifdef CM_DEBUG
-	if_printf(ifp, "reset\n");
-#endif
-	/* stop and restart hardware */
-
-	GETREG(CMRESET);
-	do {
-		DELAY(200);
-	} while (!(GETREG(CMSTAT) & CM_POR));
-
-	linkaddress = GETMEM(CMMACOFF);
-
-#if defined(CM_DEBUG) && (CM_DEBUG > 2)
-	if_printf(ifp, "reset: card reset, link addr = 0x%02x (%d)\n",
-	    linkaddress, linkaddress);
-#endif
-
-	/* tell the routing level about the (possibly changed) link address */
-	arc_storelladdr(ifp, linkaddress);
-	arc_frag_init(ifp);
-
-	/* POR is NMI, but we need it below: */
-	sc->sc_intmask = CM_RECON|CM_POR;
-	PUTREG(CMSTAT, sc->sc_intmask);
-	PUTREG(CMCMD, CM_CONF(CONF_LONG));
-
-#ifdef CM_DEBUG
-	if_printf(ifp, "reset: chip configured, status=0x%02x\n",
-	    GETREG(CMSTAT));
-#endif
-	PUTREG(CMCMD, CM_CLR(CLR_POR|CLR_RECONFIG));
-
-#ifdef CM_DEBUG
-	if_printf(ifp, "reset: bits cleared, status=0x%02x\n",
-	     GETREG(CMSTAT));
-#endif
-
-	sc->sc_reconcount_excessive = ARC_EXCESSIVE_RECONS;
-
-	/* start receiver */
-
-	sc->sc_intmask  |= CM_RI;
-	sc->sc_rx_fillcount = 0;
-	sc->sc_rx_act = 2;
-
-	PUTREG(CMCMD, CM_RXBC(2));
-	PUTREG(CMSTAT, sc->sc_intmask);
-
-#ifdef CM_DEBUG
-	if_printf(ifp, "reset: started receiver, status=0x%02x\n",
-	    GETREG(CMSTAT));
-#endif
-
-	/* and init transmitter status */
-	sc->sc_tx_act = 0;
-	sc->sc_tx_fillcount = 0;
-
-	ifp->if_drv_flags |= IFF_DRV_RUNNING;
-	ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
-
-	callout_reset(&sc->sc_watchdog_timer, hz, cm_watchdog, sc);
-	cm_start_locked(ifp);
-}
-
-/*
- * Take interface offline
- */
-void
-cm_stop_locked(sc)
-	struct cm_softc *sc;
-{
-	/* Stop the interrupts */
-	PUTREG(CMSTAT, 0);
-
-	/* Stop the interface */
-	GETREG(CMRESET);
-
-	/* Stop watchdog timer */
-	callout_stop(&sc->sc_watchdog_timer);
-	sc->sc_timer = 0;
-}
-
-void
-cm_start(struct ifnet *ifp)
-{
-	struct cm_softc *sc = ifp->if_softc;
-
-	CM_LOCK(sc);
-	cm_start_locked(ifp);
-	CM_UNLOCK(sc);
-}
-
-/*
- * Start output on interface. Get another datagram to send
- * off the interface queue, and copy it to the
- * interface becore starting the output
- *
- * Assumes that sc_mtx is held
- */
-void
-cm_start_locked(ifp)
-	struct ifnet *ifp;
-{
-	struct cm_softc *sc = ifp->if_softc;
-	struct mbuf *m, *mp;
-
-	int cm_ram_ptr;
-	int len, tlen, offset, buffer;
-#ifdef CMTIMINGS
-	u_long copystart, lencopy, perbyte;
-#endif
-
-#if defined(CM_DEBUG) && (CM_DEBUG > 3)
-	if_printf(ifp, "start(%p)\n", ifp);
-#endif
-
-	if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
-		return;
-
-	if (sc->sc_tx_fillcount >= 2)
-		return;
-
-	m = arc_frag_next(ifp);
-	buffer = sc->sc_tx_act ^ 1;
-
-	if (m == NULL)
-		return;
-
-#ifdef CM_DEBUG
-	if (m->m_len < ARC_HDRLEN)
-		m = m_pullup(m, ARC_HDRLEN);/* gcc does structure padding */
-	if_printf(ifp, "start: filling %d from %d to %d type %d\n",
-	    buffer, mtod(m, u_char *)[0],
-	    mtod(m, u_char *)[1], mtod(m, u_char *)[2]);
-#else
-	if (m->m_len < 2)
-		m = m_pullup(m, 2);
-#endif
-	cm_ram_ptr = buffer * 512;
-
-	if (m == NULL)
-		return;
-
-	/* write the addresses to RAM and throw them away */
-
-	/*
-	 * Hardware does this: Yet Another Microsecond Saved.
-	 * (btw, timing code says usually 2 microseconds)
-	 * PUTMEM(cm_ram_ptr + 0, mtod(m, u_char *)[0]);
-	 */
-
-	PUTMEM(cm_ram_ptr + 1, mtod(m, u_char *)[1]);
-	m_adj(m, 2);
-
-	/* get total length left at this point */
-	tlen = m->m_pkthdr.len;
-	if (tlen < ARC_MIN_FORBID_LEN) {
-		offset = 256 - tlen;
-		PUTMEM(cm_ram_ptr + 2, offset);
-	} else {
-		PUTMEM(cm_ram_ptr + 2, 0);
-		if (tlen <= ARC_MAX_FORBID_LEN)
-			offset = 255;		/* !!! */
-		else {
-			if (tlen > ARC_MAX_LEN)
-				tlen = ARC_MAX_LEN;
-			offset = 512 - tlen;
-		}
-		PUTMEM(cm_ram_ptr + 3, offset);
-
-	}
-	cm_ram_ptr += offset;
-
-	/* lets loop through the mbuf chain */
-
-	for (mp = m; mp; mp = mp->m_next) {
-		if ((len = mp->m_len)) {		/* YAMS */
-			bus_space_write_region_1(
-			    rman_get_bustag(sc->mem_res),
-			    rman_get_bushandle(sc->mem_res),
-			    cm_ram_ptr, mtod(mp, caddr_t), len);
-
-			cm_ram_ptr += len;
-		}
-	}
-
-	sc->sc_broadcast[buffer] = (m->m_flags & M_BCAST) != 0;
-	sc->sc_retransmits[buffer] = (m->m_flags & M_BCAST) ? 1 : 5;
-
-	if (++sc->sc_tx_fillcount > 1) {
-		/*
-		 * We are filled up to the rim. No more bufs for the moment,
-		 * please.
-		 */
-		ifp->if_drv_flags |= IFF_DRV_OACTIVE;
-	} else {
-#ifdef CM_DEBUG
-		if_printf(ifp, "start: starting transmitter on buffer %d\n",
-		    buffer);
-#endif
-		/* Transmitter was off, start it */
-		sc->sc_tx_act = buffer;
-
-		/*
-		 * We still can accept another buf, so don't:
-		 * ifp->if_drv_flags |= IFF_DRV_OACTIVE;
-		 */
-		sc->sc_intmask |= CM_TA;
-		PUTREG(CMCMD, CM_TX(buffer));
-		PUTREG(CMSTAT, sc->sc_intmask);
-
-		sc->sc_timer = ARCTIMEOUT;
-	}
-	m_freem(m);
-
-	/*
-	 * After 10 times reading the docs, I realized
-	 * that in the case the receiver NAKs the buffer request,
-	 * the hardware retries till shutdown.
-	 * This is integrated now in the code above.
-	 */
-}
-
-#ifdef CMSOFTCOPY
-void
-cm_srint(void *vsc)
-{
-	struct cm_softc *sc = (struct cm_softc *)vsc;
-
-	CM_LOCK(sc);
-	cm_srint_locked(vsc);
-	CM_UNLOCK(sc);
-}
-#endif
-
-/*
- * Arcnet interface receiver soft interrupt:
- * get the stuff out of any filled buffer we find.
- */
-void
-cm_srint_locked(vsc)
-	void *vsc;
-{
-	struct cm_softc *sc = (struct cm_softc *)vsc;
-	int buffer, len, offset, type;
-	int cm_ram_ptr;
-	struct mbuf *m;
-	struct arc_header *ah;
-	struct ifnet *ifp;
-
-	ifp = sc->sc_ifp;
-
-	buffer = sc->sc_rx_act ^ 1;
-
-	/* Allocate header mbuf */
-	MGETHDR(m, M_NOWAIT, MT_DATA);
-
-	if (m == NULL) {
-		/*
-		 * in case s.th. goes wrong with mem, drop it
-		 * to make sure the receiver can be started again
-		 * count it as input error (we dont have any other
-		 * detectable)
-		 */
-		if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
-		goto cleanup;
-	}
-
-	m->m_pkthdr.rcvif = ifp;
-
-	/*
-	 * Align so that IP packet will be longword aligned. Here we
-	 * assume that m_data of new packet is longword aligned.
-	 * When implementing PHDS, we might have to change it to 2,
-	 * (2*sizeof(ulong) - CM_HDRNEWLEN)), packet type dependent.
-	 */
-
-	cm_ram_ptr = buffer * 512;
-	offset = GETMEM(cm_ram_ptr + 2);
-	if (offset)
-		len = 256 - offset;
-	else {
-		offset = GETMEM(cm_ram_ptr + 3);
-		len = 512 - offset;
-	}
-
-	/*
-	 * first +2 bytes for align fixup below
-	 * second +2 bytes are for src/dst addresses
-	 */
-	if ((len + 2 + 2) > MHLEN) {
-		/* attach an mbuf cluster */
-		if (!(MCLGET(m, M_NOWAIT))) {
-			if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
-			goto cleanup;
-		}
-	}
-
-	if (m == NULL) {
-		if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
-		goto cleanup;
-	}
-
-	type = GETMEM(cm_ram_ptr + offset);
-	m->m_data += 1 + arc_isphds(type);
-	/* mbuf filled with ARCnet addresses */
-	m->m_pkthdr.len = m->m_len = len + 2;
-
-	ah = mtod(m, struct arc_header *);
-	ah->arc_shost = GETMEM(cm_ram_ptr + 0);
-	ah->arc_dhost = GETMEM(cm_ram_ptr + 1);
-
-	bus_space_read_region_1(
-	    rman_get_bustag(sc->mem_res), rman_get_bushandle(sc->mem_res),
-	    cm_ram_ptr + offset, mtod(m, u_char *) + 2, len);
-
-	CM_UNLOCK(sc);
-	arc_input(ifp, m);
-	CM_LOCK(sc);
-
-	m = NULL;
-	if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1);
-
-cleanup:
-
-	if (m != NULL)
-		m_freem(m);
-
-	/* mark buffer as invalid by source id 0 */
-	PUTMEM(buffer << 9, 0);
-	if (--sc->sc_rx_fillcount == 2 - 1) {
-
-		/* was off, restart it on buffer just emptied */
-		sc->sc_rx_act = buffer;
-		sc->sc_intmask |= CM_RI;
-
-		/* this also clears the RI flag interrupt: */
-		PUTREG(CMCMD, CM_RXBC(buffer));
-		PUTREG(CMSTAT, sc->sc_intmask);
-
-#ifdef CM_DEBUG
-		if_printf(ifp, "srint: restarted rx on buf %d\n", buffer);
-#endif
-	}
-}
-
-static inline void
-cm_tint_locked(sc, isr)
-	struct cm_softc *sc;
-	int isr;
-{
-	struct ifnet *ifp;
-
-	int buffer;
-#ifdef CMTIMINGS
-	int clknow;
-#endif
-
-	ifp = sc->sc_ifp;
-	buffer = sc->sc_tx_act;
-
-	/*
-	 * retransmit code:
-	 * Normal situtations first for fast path:
-	 * If acknowledgement received ok or broadcast, we're ok.
-	 * else if
-	 */
-
-	if (isr & CM_TMA || sc->sc_broadcast[buffer])
-		if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
-#ifdef CMRETRANSMIT
-	else if (ifp->if_flags & IFF_LINK2 && sc->sc_timer > 0
-	    && --sc->sc_retransmits[buffer] > 0) {
-		/* retransmit same buffer */
-		PUTREG(CMCMD, CM_TX(buffer));
-		return;
-	}
-#endif
-	else
-		if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
-
-
-	/* We know we can accept another buffer at this point. */
-	ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
-
-	if (--sc->sc_tx_fillcount > 0) {
-
-		/*
-		 * start tx on other buffer.
-		 * This also clears the int flag
-		 */
-		buffer ^= 1;
-		sc->sc_tx_act = buffer;
-
-		/*
-		 * already given:
-		 * sc->sc_intmask |= CM_TA;
-		 * PUTREG(CMSTAT, sc->sc_intmask);
-		 */
-		PUTREG(CMCMD, CM_TX(buffer));
-		/* init watchdog timer */
-		sc->sc_timer = ARCTIMEOUT;
-
-#if defined(CM_DEBUG) && (CM_DEBUG > 1)
-		if_printf(ifp,
-		    "tint: starting tx on buffer %d, status 0x%02x\n",
-		    buffer, GETREG(CMSTAT));
-#endif
-	} else {
-		/* have to disable TX interrupt */
-		sc->sc_intmask &= ~CM_TA;
-		PUTREG(CMSTAT, sc->sc_intmask);
-		/* ... and watchdog timer */
-		sc->sc_timer = 0;
-
-#ifdef CM_DEBUG
-		if_printf(ifp, "tint: no more buffers to send, status 0x%02x\n",
-		    GETREG(CMSTAT));
-#endif
-	}
-
-	/* XXXX TODO */
-#ifdef CMSOFTCOPY
-	/* schedule soft int to fill a new buffer for us */
-	softintr_schedule(sc->sc_txcookie);
-#else
-	/* call it directly */
-	cm_start_locked(ifp);
-#endif
-}
-
-/*
- * Our interrupt routine
- */
-void
-cmintr(arg)
-	void *arg;
-{
-	struct cm_softc *sc = arg;
-	struct ifnet *ifp = sc->sc_ifp;
-
-	u_char isr, maskedisr;
-	int buffer;
-	u_long newsec;
-
-	CM_LOCK(sc);
-
-	isr = GETREG(CMSTAT);
-	maskedisr = isr & sc->sc_intmask;
-	if (!maskedisr || (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
-		CM_UNLOCK(sc);
-		return;
-	}
-
-	do {
-
-#if defined(CM_DEBUG) && (CM_DEBUG > 1)
-		if_printf(ifp, "intr: status 0x%02x, intmask 0x%02x\n",
-		    isr, sc->sc_intmask);
-#endif
-
-		if (maskedisr & CM_POR) {
-			/*
-			 * XXX We should never see this. Don't bother to store
-			 * the address.
-			 * sc->sc_ifp->if_l2com->ac_anaddr = GETMEM(CMMACOFF);
-			 */
-			PUTREG(CMCMD, CM_CLR(CLR_POR));
-			log(LOG_WARNING,
-			    "%s: intr: got spurious power on reset int\n",
-			    ifp->if_xname);
-		}
-
-		if (maskedisr & CM_RECON) {
-			/*
-			 * we dont need to:
-			 * PUTREG(CMCMD, CM_CONF(CONF_LONG));
-			 */
-			PUTREG(CMCMD, CM_CLR(CLR_RECONFIG));
-			if_inc_counter(ifp, IFCOUNTER_COLLISIONS, 1);
-
-			/*
-			 * If less than 2 seconds per reconfig:
-			 *	If ARC_EXCESSIVE_RECONFIGS
-			 *	since last burst, complain and set treshold for
-			 *	warnings to ARC_EXCESSIVE_RECONS_REWARN.
-			 *
-			 * This allows for, e.g., new stations on the cable, or
-			 * cable switching as long as it is over after
-			 * (normally) 16 seconds.
-			 *
-			 * XXX TODO: check timeout bits in status word and
-			 * double time if necessary.
-			 */
-
-			callout_stop(&sc->sc_recon_ch);
-			newsec = time_second;
-			if ((newsec - sc->sc_recontime <= 2) &&
-			    (++sc->sc_reconcount == ARC_EXCESSIVE_RECONS)) {
-				log(LOG_WARNING,
-				    "%s: excessive token losses, "
-				    "cable problem?\n",
-				    ifp->if_xname);
-			}
-			sc->sc_recontime = newsec;
-			callout_reset(&sc->sc_recon_ch, 15 * hz,
-			    cm_reconwatch_locked, (void *)sc);
-		}
-
-		if (maskedisr & CM_RI) {
-#if defined(CM_DEBUG) && (CM_DEBUG > 1)
-			if_printf(ifp, "intr: hard rint, act %d\n",
-			    sc->sc_rx_act);
-#endif
-
-			buffer = sc->sc_rx_act;
-			/* look if buffer is marked invalid: */
-			if (GETMEM(buffer * 512) == 0) {
-				/*
-				 * invalid marked buffer (or illegally
-				 * configured sender)
-				 */
-				log(LOG_WARNING,
-				    "%s: spurious RX interrupt or sender 0 "
-				    " (ignored)\n", ifp->if_xname);
-				/*
-				 * restart receiver on same buffer.
-				 * XXX maybe better reset interface?
-				 */
-				PUTREG(CMCMD, CM_RXBC(buffer));
-			} else {
-				if (++sc->sc_rx_fillcount > 1) {
-					sc->sc_intmask &= ~CM_RI;
-					PUTREG(CMSTAT, sc->sc_intmask);
-				} else {
-					buffer ^= 1;
-					sc->sc_rx_act = buffer;
-
-					/*
-					 * Start receiver on other receive
-					 * buffer. This also clears the RI
-					 * interrupt flag.
-					 */
-					PUTREG(CMCMD, CM_RXBC(buffer));
-					/* in RX intr, so mask is ok for RX */
-
-#ifdef CM_DEBUG
-					if_printf(ifp, "strt rx for buf %d, "
-					    "stat 0x%02x\n",
-					    sc->sc_rx_act, GETREG(CMSTAT));
-#endif
-				}
-
-#ifdef CMSOFTCOPY
-				/*
-				 * this one starts a soft int to copy out
-				 * of the hw
-				 */
-				softintr_schedule(sc->sc_rxcookie);
-#else
-				/* this one does the copy here */
-				cm_srint_locked(sc);
-#endif
-			}
-		}
-		if (maskedisr & CM_TA) {
-			cm_tint_locked(sc, isr);
-		}
-		isr = GETREG(CMSTAT);
-		maskedisr = isr & sc->sc_intmask;
-	} while (maskedisr);
-#if defined(CM_DEBUG) && (CM_DEBUG > 1)
-	if_printf(ifp, "intr (exit): status 0x%02x, intmask 0x%02x\n",
-	    isr, sc->sc_intmask);
-#endif
-	CM_UNLOCK(sc);
-}
-
-void
-cm_reconwatch_locked(arg)
-	void *arg;
-{
-	struct cm_softc *sc = arg;
-	struct ifnet *ifp = sc->sc_ifp;
-
-	if (sc->sc_reconcount >= ARC_EXCESSIVE_RECONS) {
-		sc->sc_reconcount = 0;
-		log(LOG_WARNING, "%s: token valid again.\n",
-		    ifp->if_xname);
-	}
-	sc->sc_reconcount = 0;
-}
-
-
-/*
- * Process an ioctl request.
- * This code needs some work - it looks pretty ugly.
- */
-int
-cm_ioctl(ifp, command, data)
-	struct ifnet *ifp;
-	u_long command;
-	caddr_t data;
-{
-	struct cm_softc *sc;
-	int error;
-
-	error = 0;
-	sc = ifp->if_softc;
-
-#if defined(CM_DEBUG) && (CM_DEBUG > 2)
-	if_printf(ifp, "ioctl() called, cmd = 0x%lx\n", command);
-#endif
-
-	switch (command) {
-	case SIOCSIFADDR:
-	case SIOCGIFADDR:
-	case SIOCADDMULTI:
-	case SIOCDELMULTI:
-	case SIOCSIFMTU:
-		error = arc_ioctl(ifp, command, data);
-		break;
-
-	case SIOCSIFFLAGS:
-		CM_LOCK(sc);
-		if ((ifp->if_flags & IFF_UP) == 0 &&
-		    (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
-			/*
-			 * If interface is marked down and it is running,
-			 * then stop it.
-			 */
-			cm_stop_locked(sc);
-			ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
-		} else if ((ifp->if_flags & IFF_UP) != 0 &&
-			   (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
-			/*
-			 * If interface is marked up and it is stopped, then
-			 * start it.
-			 */
-			cm_init_locked(sc);
-		}
-		CM_UNLOCK(sc);
-		break;
-
-	default:
-		error = EINVAL;
-		break;
-	}
-
-	return (error);
-}
-
-/*
- * watchdog routine for transmitter.
- *
- * We need this, because else a receiver whose hardware is alive, but whose
- * software has not enabled the Receiver, would make our hardware wait forever
- * Discovered this after 20 times reading the docs.
- *
- * Only thing we do is disable transmitter. We'll get a transmit timeout,
- * and the int handler will have to decide not to retransmit (in case
- * retransmission is implemented).
- */
-void
-cm_watchdog(void *arg)
-{
-	struct cm_softc *sc;
-
-	sc = arg;
-	callout_reset(&sc->sc_watchdog_timer, hz, cm_watchdog, sc);
-	if (sc->sc_timer == 0 || --sc->sc_timer > 0)
-		return;
-	PUTREG(CMCMD, CM_TXDIS);
-}
diff --git a/sys/dev/cm/smc90cx6reg.h b/sys/dev/cm/smc90cx6reg.h
deleted file mode 100644
index 6e7d5a5b4af87..0000000000000
--- a/sys/dev/cm/smc90cx6reg.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*	$NetBSD: smc90cx6reg.h,v 1.7 1999/02/16 23:34:13 is Exp $ */
-/*	$FreeBSD$ */
-
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-NetBSD
- *
- * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Ignatios Souvatzis.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * chip offsets and bits for the SMC Arcnet chipset.
- */
-
-#ifndef _SMC90CXVAR_H_
-#define _SMC90CXVAR_H_
-
-#define CM_IO_PORTS 16
-#define CM_MEM_SIZE	0x800
-
-/* register offsets */
-
-#define CMSTAT	0
-#define	CMCMD	1
-#define CMRESET 8
-
-/* memory offsets */
-#define CMCHECKBYTE 0
-#define CMMACOFF 1
-
-#define CM_TXDIS	0x01
-#define CM_RXDIS	0x02
-#define CM_TX(x)	(0x03 | ((x)<<3))
-#define CM_RX(x)	(0x04 | ((x)<<3))
-#define CM_RXBC(x)	(0x84 | ((x)<<3))
-
-#define CM_CONF(x)	(0x05 | (x))
-#define CLR_POR		0x08
-#define CLR_RECONFIG	0x10
-
-#define CM_CLR(x)	(0x06 | (x))
-#define CONF_LONG	0x08
-#define CONF_SHORT	0x00
-
-/*
- * These are not in the COM90C65 docs. Derived from the arcnet.asm
- * packet driver by Philippe Prindeville and Russel Nelson.
- */
-
-#define CM_LDTST(x)	(0x07 | (x))
-#define TEST_ON		0x08
-#define TEST_OFF	0x00
-
-#define CM_TA		1	/* int mask also */
-#define CM_TMA		2
-#define CM_RECON	4	/* int mask also */
-#define CM_TEST	8		/* not in the COM90C65 docs (see above) */
-#define CM_POR		0x10	/* non maskable interrupt */
-#define CM_ET1		0x20	/* timeout value bits, normally 1 */
-#define CM_ET2		0x40	/* timeout value bits, normally 1 */
-#define CM_RI		0x80	/* int mask also */
-
-#endif
diff --git a/sys/dev/cm/smc90cx6var.h b/sys/dev/cm/smc90cx6var.h
deleted file mode 100644
index cd8afdaa4ce17..0000000000000
--- a/sys/dev/cm/smc90cx6var.h
+++ /dev/null
@@ -1,114 +0,0 @@
-/*	$NetBSD: smc90cx6var.h,v 1.5 2000/03/23 07:01:32 thorpej Exp $	*/
-/*	$FreeBSD$ */
-
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-NetBSD
- *
- * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Ignatios Souvatzis.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * BAH (SMC 8bit ARCnet chipset) k/dpi
- *
- * The SMC 8bit ARCnet chip family uses a register and a memory window, which
- * we get passed via bus_space_tags and bus_space_handles.
- *
- * As the reset functionality differs between the Amiga boards (using the
- * 90c26 chip) and middle-aged ISA boards (using the 90c56 chip), we have
- * a sc_reset callback function in the softc, which does a stop function
- * (reset and leave dead) or a reset function depending on wether the 2nd
- * parameter is 0 or 1.
- */
-
-#ifndef _SMC90CX6VAR_H_
-#define _SMC90CX6VAR_H_
-
-#include <sys/callout.h>
-
-struct cm_softc {
-	struct	ifnet	*sc_ifp;	/* Common arcnet structures */
-	struct	mtx	sc_mtx;		/* sc mutex */
-
-	int	port_rid;		/* resource id for port range */
-	struct resource *port_res;	/* resource for port range */
-
-	int	mem_rid;		/* resource id for memory range */
-	struct resource *mem_res;	/* resource for memory range */
-
-	int	irq_rid;		/* resource id for irq */
-	struct resource *irq_res;	/* resource for irq */
-	void *	irq_handle;		/* handle for irq handler */
-
-	void	*sc_rxcookie;		/* softcallback cookies */
-	void	*sc_txcookie;
-	struct callout sc_recon_ch;
-	u_long	sc_recontime;		/* seconds only, I'm lazy */
-	u_long	sc_reconcount;		/* for the above */
-	u_long	sc_reconcount_excessive; /* for the above */
-#define ARC_EXCESSIVE_RECONS 20
-#define ARC_EXCESSIVE_RECONS_REWARN 400
-	struct callout sc_watchdog_timer;
-	int	sc_timer;
-	u_char	sc_intmask;
-	u_char	sc_rx_act;		/* 2..3 */
-	u_char	sc_tx_act;		/* 0..1 */
-	u_char	sc_rx_fillcount;
-	u_char	sc_tx_fillcount;
-	u_char	sc_broadcast[2];	/* is it a broadcast packet? */
-	u_char	sc_retransmits[2];	/* unused at the moment */
-};
-
-int	cm_attach(device_t dev);
-void	cmintr(void *);
-void	cm_stop_locked(struct cm_softc *sc);
-void	cm_release_resources(device_t dev);
-
-extern	devclass_t cm_devclass;
-
-#define CM_LOCK(sc)	mtx_lock(&(sc)->sc_mtx)
-#define CM_UNLOCK(sc)	mtx_unlock(&(sc)->sc_mtx)
-
-/* short notation */
-#define GETREG(off)							\
-	bus_space_read_1(rman_get_bustag((sc)->port_res),		\
-			 rman_get_bushandle((sc)->port_res),		\
-			 (off))
-#define PUTREG(off, value)						\
-	bus_space_write_1(rman_get_bustag((sc)->port_res),		\
-			  rman_get_bushandle((sc)->port_res),		\
-			  (off), (value))
-#define GETMEM(off)							\
-	bus_space_read_1(rman_get_bustag((sc)->mem_res),		\
-			 rman_get_bushandle((sc)->mem_res),		\
-			 (off))
-#define PUTMEM(off, value)						\
-	bus_space_write_1(rman_get_bustag((sc)->mem_res),		\
-			  rman_get_bushandle((sc)->mem_res),		\
-			  (off), (value))
-
-#endif