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if_ef.c revision 1.23
      1  1.23  christos /*	$NetBSD: if_ef.c,v 1.23 2006/11/16 01:33:00 christos Exp $	*/
      2   1.1        pk 
      3   1.1        pk /*-
      4   1.1        pk  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5   1.1        pk  * All rights reserved.
      6   1.1        pk  *
      7   1.1        pk  * This code is derived from software contributed to The NetBSD Foundation
      8   1.1        pk  * by Rafal K. Boni.
      9   1.1        pk  *
     10   1.1        pk  * Redistribution and use in source and binary forms, with or without
     11   1.1        pk  * modification, are permitted provided that the following conditions
     12   1.1        pk  * are met:
     13   1.1        pk  * 1. Redistributions of source code must retain the above copyright
     14   1.1        pk  *    notice, this list of conditions and the following disclaimer.
     15   1.1        pk  * 2. Redistributions in binary form must reproduce the above copyright
     16   1.1        pk  *    notice, this list of conditions and the following disclaimer in the
     17   1.1        pk  *    documentation and/or other materials provided with the distribution.
     18   1.1        pk  * 3. All advertising materials mentioning features or use of this software
     19   1.1        pk  *    must display the following acknowledgement:
     20   1.1        pk  *	This product includes software developed by the NetBSD
     21   1.1        pk  *	Foundation, Inc. and its contributors.
     22   1.1        pk  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23   1.1        pk  *    contributors may be used to endorse or promote products derived
     24   1.1        pk  *    from this software without specific prior written permission.
     25   1.1        pk  *
     26   1.1        pk  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27   1.1        pk  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28   1.1        pk  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29   1.1        pk  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30   1.1        pk  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31   1.1        pk  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32   1.1        pk  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33   1.1        pk  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34   1.1        pk  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35   1.1        pk  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36   1.1        pk  * POSSIBILITY OF SUCH DAMAGE.
     37   1.1        pk  */
     38  1.10     lukem 
     39  1.10     lukem #include <sys/cdefs.h>
     40  1.23  christos __KERNEL_RCSID(0, "$NetBSD: if_ef.c,v 1.23 2006/11/16 01:33:00 christos Exp $");
     41   1.1        pk 
     42   1.1        pk #include <sys/param.h>
     43   1.1        pk #include <sys/systm.h>
     44   1.1        pk #include <sys/mbuf.h>
     45   1.1        pk #include <sys/errno.h>
     46   1.1        pk #include <sys/device.h>
     47   1.1        pk #include <sys/protosw.h>
     48   1.1        pk #include <sys/socket.h>
     49   1.1        pk 
     50   1.1        pk #include <net/if.h>
     51   1.1        pk #include <net/if_dl.h>
     52   1.1        pk #include <net/if_types.h>
     53   1.1        pk #include <net/if_media.h>
     54   1.1        pk #include <net/if_ether.h>
     55   1.1        pk 
     56   1.1        pk #include <machine/cpu.h>
     57   1.1        pk #include <machine/bus.h>
     58   1.1        pk #include <machine/intr.h>
     59   1.1        pk 
     60   1.1        pk #include <dev/isa/isareg.h>
     61   1.1        pk #include <dev/isa/isavar.h>
     62   1.1        pk 
     63   1.1        pk #include <dev/ic/i82586reg.h>
     64   1.1        pk #include <dev/ic/i82586var.h>
     65   1.1        pk #include <dev/isa/if_efreg.h>
     66   1.1        pk #include <dev/isa/elink.h>
     67   1.1        pk 
     68   1.1        pk #ifdef EF_DEBUG
     69   1.1        pk #define DPRINTF(x)	printf x
     70   1.1        pk #else
     71   1.2        pk #define DPRINTF(x)
     72   1.1        pk #endif
     73   1.1        pk 
     74   1.1        pk struct ef_softc {
     75   1.1        pk 	struct ie_softc sc_ie;
     76   1.1        pk 
     77   1.1        pk 	bus_space_tag_t sc_regt;	/* space tag for registers */
     78   1.1        pk 	bus_space_handle_t sc_regh;	/* space handle for registers */
     79   1.1        pk 
     80   1.1        pk 	void* sc_ih;			/* interrupt handle */
     81   1.1        pk 
     82   1.1        pk 	u_int8_t card_rev;		/* hardware revision */
     83   1.1        pk 	u_int8_t card_type;		/* card model -- AUI/BNC or TP */
     84   1.1        pk };
     85   1.1        pk 
     86   1.2        pk int ef_media[] = {
     87   1.1        pk 	IFM_ETHER | IFM_10_5,
     88   1.1        pk 	IFM_ETHER | IFM_10_2,
     89   1.1        pk };
     90   1.1        pk #define NEF_MEDIA       (sizeof(ef_media) / sizeof(ef_media[0]))
     91   1.1        pk 
     92   1.1        pk int eftp_media[] = {
     93   1.1        pk 	IFM_ETHER | IFM_10_T,
     94   1.1        pk };
     95   1.1        pk #define NEFTP_MEDIA       (sizeof(eftp_media) / sizeof(eftp_media[0]))
     96   1.1        pk 
     97   1.1        pk /* Routines required by the MI i82586 driver API */
     98  1.18     perry static void 	ef_reset(struct ie_softc *, int);
     99  1.18     perry static void 	ef_hwinit(struct ie_softc *);
    100  1.18     perry static void 	ef_atten(struct ie_softc *, int);
    101  1.18     perry static int 	ef_intrhook(struct ie_softc *, int);
    102  1.18     perry 
    103  1.18     perry static void	ef_copyin(struct ie_softc *, void *, int, size_t);
    104  1.18     perry static void	ef_copyout(struct ie_softc *, const void *, int, size_t);
    105  1.18     perry 
    106  1.18     perry static u_int16_t ef_read_16(struct ie_softc *, int);
    107  1.18     perry static void	ef_write_16(struct ie_softc *, int, u_int16_t);
    108  1.18     perry static void	ef_write_24(struct ie_softc *, int, int);
    109   1.1        pk 
    110  1.18     perry static void	ef_mediastatus(struct ie_softc *, struct ifmediareq *);
    111   1.1        pk 
    112   1.1        pk /* Local routines */
    113  1.18     perry static int 	ef_port_check(bus_space_tag_t, bus_space_handle_t);
    114   1.1        pk 
    115  1.18     perry int ef_match(struct device *, struct cfdata *, void *);
    116  1.18     perry void ef_attach(struct device *, struct device *, void *);
    117   1.1        pk 
    118   1.1        pk /*
    119   1.1        pk  * This keeps track of which ISAs have been through an ie probe sequence.
    120   1.1        pk  * A simple static variable isn't enough, since it's conceivable that
    121   1.1        pk  * a system might have more than one ISA bus.
    122   1.1        pk  *
    123   1.1        pk  * The "isa_bus" member is a pointer to the parent ISA bus device struct
    124   1.2        pk  * which will unique per ISA bus.
    125   1.1        pk  */
    126   1.1        pk 
    127   1.1        pk #define MAXCARDS_PER_ISABUS     8       /* if you have more than 8, you lose */
    128   1.1        pk 
    129   1.1        pk struct ef_isabus {
    130   1.2        pk 	LIST_ENTRY(ef_isabus) isa_link;
    131   1.2        pk 	struct device *isa_bus;
    132   1.1        pk 
    133   1.2        pk 	int bus_state;
    134   1.1        pk 
    135   1.2        pk 	struct card {
    136   1.2        pk 		bus_addr_t iobase;
    137   1.2        pk 		bus_addr_t maddr;
    138   1.2        pk 		bus_size_t msize;
    139   1.2        pk 		int irq;
    140   1.2        pk 		int available;
    141   1.2        pk 	} isa_cards[MAXCARDS_PER_ISABUS];
    142   1.1        pk };
    143   1.1        pk 
    144   1.1        pk static LIST_HEAD(, ef_isabus) ef_isa_buses;
    145   1.1        pk static int ef_isa_buses_inited;
    146   1.1        pk 
    147   1.1        pk static void
    148   1.1        pk ef_card_add(
    149   1.1        pk     struct ef_isabus *bus,
    150   1.1        pk     bus_addr_t iobase,
    151   1.1        pk     bus_addr_t maddr,
    152  1.19  christos     bus_size_t msiz,
    153   1.1        pk     int irq)
    154   1.1        pk {
    155   1.2        pk 	int idx;
    156   1.1        pk 
    157   1.2        pk 	DPRINTF(("Adding 3c507 at 0x%x, IRQ %d, Mem 0x%lx/%ld\n",
    158  1.19  christos 		 (u_int) iobase, irq, (u_long) maddr, msiz));
    159   1.1        pk 
    160   1.2        pk 	for (idx = 0; idx < MAXCARDS_PER_ISABUS; idx++) {
    161   1.2        pk 		if (bus->isa_cards[idx].available == 0) {
    162   1.2        pk 			bus->isa_cards[idx].iobase = iobase;
    163   1.2        pk 			bus->isa_cards[idx].maddr = maddr;
    164  1.19  christos 			bus->isa_cards[idx].msize = msiz;
    165   1.2        pk 			bus->isa_cards[idx].irq = irq;
    166   1.2        pk 			bus->isa_cards[idx].available = 1;
    167   1.2        pk 			break;
    168   1.2        pk 		}
    169   1.2        pk 	}
    170   1.1        pk }
    171   1.1        pk 
    172   1.1        pk /*
    173   1.1        pk  * 3C507 support routines
    174   1.1        pk  */
    175   1.1        pk static void
    176   1.1        pk ef_reset(sc, why)
    177   1.1        pk 	struct ie_softc *sc;
    178   1.1        pk 	int why;
    179   1.1        pk {
    180   1.2        pk 	struct ef_softc* esc = (struct ef_softc *) sc;
    181   1.1        pk 
    182   1.2        pk 	switch (why) {
    183   1.2        pk 	case CHIP_PROBE:
    184   1.2        pk 		/* reset to chip to see if it responds */
    185   1.2        pk 		bus_space_write_1(esc->sc_regt, esc->sc_regh,
    186   1.2        pk 				  EF_CTRL, EF_CTRL_RESET);
    187   1.2        pk 		DELAY(100);
    188   1.2        pk 		bus_space_write_1(esc->sc_regt, esc->sc_regh,
    189   1.2        pk 				  EF_CTRL, EF_CTRL_NORMAL);
    190   1.2        pk 		DELAY(100);
    191   1.2        pk 		break;
    192   1.2        pk 
    193   1.2        pk 	case CARD_RESET:
    194   1.2        pk 		/*
    195   1.2        pk 		 * this takes around 10sec, and we can get
    196   1.2        pk 		 * by quite well w/out it...
    197   1.2        pk 		 */
    198   1.2        pk 		break;
    199   1.2        pk 	}
    200   1.1        pk }
    201   1.1        pk 
    202   1.1        pk static void
    203  1.23  christos ef_atten(struct ie_softc *sc, int why)
    204   1.1        pk {
    205   1.2        pk 	struct ef_softc* esc = (struct ef_softc *) sc;
    206   1.2        pk 	bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ATTN, 1);
    207   1.1        pk }
    208   1.1        pk 
    209   1.1        pk static void
    210   1.1        pk ef_hwinit(sc)
    211   1.1        pk 	struct ie_softc *sc;
    212   1.1        pk {
    213   1.2        pk 	struct ef_softc* esc = (struct ef_softc *) sc;
    214   1.2        pk 	bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1);
    215   1.1        pk }
    216   1.1        pk 
    217   1.1        pk static int
    218   1.1        pk ef_intrhook(sc, where)
    219   1.1        pk 	struct ie_softc *sc;
    220   1.1        pk 	int where;
    221   1.1        pk {
    222   1.2        pk 	unsigned char cr;
    223   1.2        pk 	struct ef_softc* esc = (struct ef_softc *) sc;
    224   1.1        pk 
    225   1.2        pk 	switch (where) {
    226   1.2        pk 	case INTR_ENTER:
    227   1.2        pk 		/* entering ISR: disable, ack card interrupts */
    228   1.2        pk 		cr = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_CTRL);
    229   1.2        pk 		bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL,
    230   1.2        pk 				  cr & ~EF_CTRL_IEN);
    231   1.2        pk 		bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1);
    232   1.2        pk 		break;
    233   1.2        pk 
    234   1.2        pk 	case INTR_EXIT:
    235   1.2        pk 		/* exiting ISR: re-enable card interrupts */
    236   1.2        pk 		cr = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_CTRL);
    237   1.2        pk 		bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL,
    238   1.2        pk 				  cr | EF_CTRL_IEN);
    239   1.2        pk 		break;
    240   1.2        pk 
    241   1.2        pk 	case INTR_LOOP:
    242   1.2        pk 		/* looping in ISR: ack new interrupts */
    243   1.2        pk 		bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1);
    244   1.2        pk 		break;
    245   1.1        pk     }
    246   1.1        pk 
    247   1.1        pk     return 1;
    248   1.1        pk }
    249   1.1        pk 
    250   1.2        pk static u_int16_t
    251   1.1        pk ef_read_16 (sc, offset)
    252   1.1        pk 	struct ie_softc *sc;
    253   1.1        pk 	int offset;
    254   1.1        pk {
    255   1.1        pk 	bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_READ);
    256   1.1        pk 	return bus_space_read_2(sc->bt, sc->bh, offset);
    257   1.1        pk }
    258   1.1        pk 
    259   1.2        pk static void
    260   1.1        pk ef_copyin (sc, dst, offset, size)
    261   1.1        pk 	struct ie_softc *sc;
    262   1.1        pk 	void *dst;
    263   1.1        pk 	int offset;
    264   1.1        pk 	size_t size;
    265   1.1        pk {
    266   1.2        pk 	int dribble;
    267   1.2        pk 	u_int8_t* bptr = dst;
    268   1.1        pk 
    269   1.2        pk 	bus_space_barrier(sc->bt, sc->bh, offset, size,
    270   1.2        pk 			  BUS_SPACE_BARRIER_READ);
    271   1.1        pk 
    272   1.2        pk 	if (offset % 2) {
    273   1.2        pk 		*bptr = bus_space_read_1(sc->bt, sc->bh, offset);
    274   1.2        pk 		offset++; bptr++; size--;
    275   1.2        pk 	}
    276   1.1        pk 
    277   1.2        pk 	dribble = size % 2;
    278   1.2        pk 	bus_space_read_region_2(sc->bt, sc->bh, offset, (u_int16_t *) bptr,
    279   1.2        pk 				size >> 1);
    280   1.2        pk 
    281   1.2        pk 	if (dribble) {
    282   1.2        pk 		bptr += size - 1;
    283   1.2        pk 		offset += size - 1;
    284   1.2        pk 		*bptr = bus_space_read_1(sc->bt, sc->bh, offset);
    285   1.2        pk 	}
    286   1.1        pk }
    287   1.1        pk 
    288   1.2        pk static void
    289   1.1        pk ef_copyout (sc, src, offset, size)
    290   1.1        pk 	struct ie_softc *sc;
    291   1.1        pk 	const void *src;
    292   1.1        pk 	int offset;
    293   1.1        pk 	size_t size;
    294   1.1        pk {
    295   1.2        pk 	int dribble;
    296   1.2        pk 	int osize = size;
    297   1.2        pk 	int ooffset = offset;
    298   1.2        pk 	const u_int8_t* bptr = src;
    299   1.2        pk 
    300   1.2        pk 	if (offset % 2) {
    301   1.2        pk 		bus_space_write_1(sc->bt, sc->bh, offset, *bptr);
    302   1.2        pk 		offset++; bptr++; size--;
    303   1.2        pk 	}
    304   1.1        pk 
    305   1.2        pk 	dribble = size % 2;
    306  1.19  christos 	bus_space_write_region_2(sc->bt, sc->bh, offset,
    307  1.19  christos 	    (const u_int16_t *)bptr, size >> 1);
    308   1.2        pk 	if (dribble) {
    309   1.2        pk 		bptr += size - 1;
    310   1.2        pk 		offset += size - 1;
    311   1.2        pk 		bus_space_write_1(sc->bt, sc->bh, offset, *bptr);
    312   1.2        pk 	}
    313   1.1        pk 
    314   1.2        pk 	bus_space_barrier(sc->bt, sc->bh, ooffset, osize,
    315   1.2        pk 			  BUS_SPACE_BARRIER_WRITE);
    316   1.1        pk }
    317   1.1        pk 
    318   1.1        pk static void
    319   1.1        pk ef_write_16 (sc, offset, value)
    320   1.1        pk 	struct ie_softc *sc;
    321   1.1        pk 	int offset;
    322   1.1        pk 	u_int16_t value;
    323   1.1        pk {
    324   1.1        pk 	bus_space_write_2(sc->bt, sc->bh, offset, value);
    325   1.1        pk 	bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_WRITE);
    326   1.1        pk }
    327   1.1        pk 
    328   1.1        pk static void
    329   1.1        pk ef_write_24 (sc, offset, addr)
    330   1.1        pk 	struct ie_softc *sc;
    331   1.1        pk 	int offset, addr;
    332   1.1        pk {
    333   1.2        pk 	bus_space_write_4(sc->bt, sc->bh, offset, addr +
    334   1.2        pk 			  (u_long) sc->sc_maddr - (u_long) sc->sc_iobase);
    335   1.1        pk 	bus_space_barrier(sc->bt, sc->bh, offset, 4, BUS_SPACE_BARRIER_WRITE);
    336   1.1        pk }
    337   1.1        pk 
    338   1.1        pk static void
    339   1.1        pk ef_mediastatus(sc, ifmr)
    340   1.2        pk         struct ie_softc *sc;
    341   1.2        pk         struct ifmediareq *ifmr;
    342   1.1        pk {
    343   1.1        pk         struct ifmedia *ifm = &sc->sc_media;
    344   1.1        pk 
    345   1.1        pk         /*
    346   1.2        pk          * The currently selected media is always the active media.
    347   1.1        pk          */
    348   1.1        pk         ifmr->ifm_active = ifm->ifm_cur->ifm_media;
    349   1.1        pk }
    350   1.1        pk 
    351   1.1        pk int
    352  1.23  christos ef_match(struct device *parent, struct cfdata *cf, void *aux)
    353   1.1        pk {
    354   1.2        pk 	struct isa_attach_args * const ia = aux;
    355   1.2        pk 
    356   1.2        pk 	int idx;
    357   1.2        pk 	struct ef_isabus *bus;
    358   1.2        pk 
    359   1.2        pk 	bus_space_handle_t ioh;
    360   1.2        pk 	bus_space_tag_t iot = ia->ia_iot;
    361   1.1        pk 
    362  1.12   thorpej 	if (ISA_DIRECT_CONFIG(ia))
    363  1.12   thorpej 		return (0);
    364  1.12   thorpej 
    365   1.2        pk 	if (ef_isa_buses_inited == 0) {
    366   1.2        pk 		LIST_INIT(&ef_isa_buses);
    367   1.2        pk 		ef_isa_buses_inited = 1;
    368   1.2        pk 	}
    369   1.2        pk 
    370   1.2        pk 	/*
    371  1.12   thorpej 	 * Probe this bus if we haven't done so already.
    372  1.12   thorpej 	 */
    373   1.2        pk 	for (bus = ef_isa_buses.lh_first; bus != NULL;
    374   1.2        pk 	     bus = bus->isa_link.le_next) {
    375   1.2        pk 		if (bus->isa_bus == parent)
    376   1.2        pk 			break;
    377   1.2        pk 	}
    378   1.1        pk 
    379   1.2        pk 	if (bus == NULL) {
    380   1.2        pk 		bus_addr_t iobase;
    381   1.1        pk 
    382   1.2        pk 		/*
    383   1.2        pk 		 * Mark this bus so we don't probe it again.
    384   1.2        pk 		 */
    385   1.2        pk 		bus = (struct ef_isabus *)
    386   1.2        pk 			malloc(sizeof(struct ef_isabus), M_DEVBUF, M_NOWAIT);
    387   1.2        pk 		if (bus == NULL)
    388   1.2        pk 		    panic("ef_isa_probe: can't allocate state storage for %s",
    389   1.2        pk 			  parent->dv_xname);
    390   1.2        pk 
    391   1.2        pk 		bus->bus_state = 0;		/* nothing done yet */
    392   1.2        pk 		bus->isa_bus = parent;
    393   1.1        pk 
    394   1.2        pk 		LIST_INSERT_HEAD(&ef_isa_buses, bus, isa_link);
    395   1.1        pk 
    396   1.2        pk 		if (bus_space_map(iot, ELINK_ID_PORT, 1, 0, &ioh)) {
    397   1.2        pk 			DPRINTF(("3c507 probe: can't map Etherlink ID port\n"));
    398   1.2        pk 			return 0;
    399   1.2        pk 		}
    400   1.1        pk 
    401   1.2        pk 		/*
    402   1.2        pk 		 * Reset and put card in CONFIG state without
    403   1.2        pk 		 * changing address.
    404   1.2        pk 		 */
    405  1.21   thorpej 		elink_reset(iot, ioh, device_unit(parent));
    406   1.2        pk 		elink_idseq(iot, ioh, ELINK_507_POLY);
    407   1.2        pk 		elink_idseq(iot, ioh, ELINK_507_POLY);
    408   1.2        pk 		bus_space_write_1(iot, ioh, 0, 0xff);
    409   1.2        pk 
    410   1.2        pk 		/* Unmap the ID port */
    411   1.2        pk 		bus_space_unmap(iot, ioh, 1);
    412   1.2        pk 
    413   1.2        pk 		bus->bus_state++;	/* cards now in CONFIG state */
    414   1.2        pk 
    415   1.2        pk 		for (iobase = EF_IOBASE_LOW; iobase <= EF_IOBASE_HIGH;
    416   1.2        pk 		     iobase += EF_IOSIZE) {
    417   1.2        pk 			/*
    418   1.2        pk 			 * Map the 507's port-space for the probe sequence.
    419   1.2        pk 			 */
    420   1.2        pk 			if (bus_space_map(iot, iobase, EF_IOSIZE,
    421   1.2        pk 					  0, &ioh) != 0)
    422   1.2        pk 				continue;
    423   1.2        pk 
    424   1.2        pk 			/* Now look for the 3Com magic bytes */
    425   1.2        pk 
    426   1.2        pk 			if (ef_port_check(iot, ioh)) {
    427   1.2        pk 				int irq;
    428   1.2        pk 				u_int8_t v;
    429   1.2        pk 				bus_addr_t maddr;
    430  1.19  christos 				bus_addr_t msiz1;
    431   1.2        pk 				bus_space_handle_t memh;
    432   1.2        pk 
    433   1.2        pk 				irq = bus_space_read_1(iot, ioh, EF_IRQ) &
    434   1.2        pk 					EF_IRQ_MASK;
    435   1.2        pk 
    436   1.2        pk 				v = bus_space_read_1(iot, ioh, EF_MADDR);
    437   1.2        pk 				maddr = EF_MADDR_BASE +
    438   1.2        pk 				      ((v & EF_MADDR_MASK) << EF_MADDR_SHIFT);
    439  1.19  christos 				msiz1 = ((v & EF_MSIZE_MASK) + 1) *
    440   1.2        pk 					EF_MSIZE_STEP;
    441   1.2        pk 
    442   1.2        pk 				if (bus_space_map(ia->ia_memt, maddr,
    443  1.19  christos 						  msiz1, 0, &memh) == 0) {
    444   1.2        pk 					    ef_card_add(bus, iobase, maddr,
    445  1.19  christos 							msiz1, irq);
    446   1.2        pk 					    bus_space_unmap(ia->ia_memt,
    447  1.19  christos 							    memh, msiz1);
    448   1.2        pk 				}
    449   1.2        pk 			}
    450   1.2        pk 			bus_space_unmap(iot, ioh, EF_IOSIZE);
    451   1.2        pk 		}
    452   1.1        pk 	}
    453   1.1        pk 
    454  1.12   thorpej 	if (ia->ia_nio < 1)
    455  1.12   thorpej 		return (0);
    456  1.12   thorpej 	if (ia->ia_niomem < 1)
    457  1.12   thorpej 		return (0);
    458  1.12   thorpej 	if (ia->ia_nirq < 1)
    459  1.12   thorpej 		return (0);
    460  1.12   thorpej 
    461   1.2        pk 	for (idx = 0; idx < MAXCARDS_PER_ISABUS; idx++) {
    462   1.2        pk 		if (bus->isa_cards[idx].available != 1)
    463   1.2        pk 			continue;
    464   1.2        pk 
    465  1.17  drochner 		if (ia->ia_io[0].ir_addr != ISA_UNKNOWN_PORT &&
    466  1.12   thorpej 		    ia->ia_io[0].ir_addr != bus->isa_cards[idx].iobase)
    467   1.2        pk 			continue;
    468   1.2        pk 
    469  1.17  drochner 		if (ia->ia_iomem[0].ir_addr != ISA_UNKNOWN_IOMEM &&
    470  1.12   thorpej 		    ia->ia_iomem[0].ir_addr != bus->isa_cards[idx].maddr)
    471   1.2        pk 			continue;
    472   1.2        pk 
    473  1.17  drochner 		if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ &&
    474  1.12   thorpej 		    ia->ia_irq[0].ir_irq != bus->isa_cards[idx].irq)
    475   1.2        pk 			continue;
    476   1.2        pk 
    477   1.2        pk 		break;
    478   1.2        pk 	}
    479   1.1        pk 
    480   1.2        pk 	if (idx == MAXCARDS_PER_ISABUS)
    481   1.2        pk 		return (0);
    482   1.1        pk 
    483   1.2        pk 	bus->isa_cards[idx].available++;
    484  1.12   thorpej 
    485  1.12   thorpej 	ia->ia_nio = 1;
    486  1.12   thorpej 	ia->ia_io[0].ir_addr = bus->isa_cards[idx].iobase;
    487  1.12   thorpej 	ia->ia_io[0].ir_size = EF_IOSIZE;
    488  1.12   thorpej 
    489  1.12   thorpej 	ia->ia_niomem = 1;
    490  1.12   thorpej 	ia->ia_iomem[0].ir_addr = bus->isa_cards[idx].maddr;
    491  1.12   thorpej 	ia->ia_iomem[0].ir_size = bus->isa_cards[idx].msize;
    492  1.12   thorpej 
    493  1.12   thorpej 	ia->ia_nirq = 1;
    494  1.12   thorpej 	ia->ia_irq[0].ir_irq = bus->isa_cards[idx].irq;
    495  1.12   thorpej 
    496  1.12   thorpej 	ia->ia_ndrq = 0;
    497  1.12   thorpej 
    498   1.2        pk 	return (1);
    499   1.1        pk }
    500   1.1        pk 
    501   1.1        pk void
    502   1.1        pk ef_attach(parent, self, aux)
    503   1.1        pk 	struct device *parent;
    504   1.1        pk 	struct device *self;
    505   1.1        pk 	void   *aux;
    506   1.1        pk {
    507   1.2        pk 	struct ef_softc *esc = (void *)self;
    508   1.2        pk 	struct ie_softc *sc = &esc->sc_ie;
    509   1.2        pk 	struct isa_attach_args *ia = aux;
    510   1.2        pk 	bus_space_tag_t iot = ia->ia_iot;
    511   1.2        pk 
    512   1.2        pk 	int i;
    513  1.19  christos 	char vers[20];
    514   1.2        pk 	struct ef_isabus *bus;
    515   1.2        pk 	u_int8_t partno[EF_TYPE_LEN];
    516   1.2        pk 	bus_space_handle_t ioh, memh;
    517   1.2        pk 	u_int8_t ethaddr[ETHER_ADDR_LEN];
    518   1.2        pk 
    519   1.2        pk 	sc->hwinit = ef_hwinit;
    520   1.2        pk 	sc->hwreset = ef_reset;
    521   1.2        pk 	sc->chan_attn = ef_atten;
    522   1.2        pk 	sc->intrhook = ef_intrhook;
    523   1.8     bjh21 
    524   1.8     bjh21 	sc->ie_bus_barrier = NULL;
    525   1.2        pk 
    526   1.2        pk 	sc->memcopyin = ef_copyin;
    527   1.2        pk 	sc->memcopyout = ef_copyout;
    528   1.2        pk 	sc->ie_bus_read16 = ef_read_16;
    529   1.2        pk 	sc->ie_bus_write16 = ef_write_16;
    530   1.2        pk 	sc->ie_bus_write24 = ef_write_24;
    531   1.2        pk 
    532   1.2        pk 	sc->sc_msize = 0;
    533   1.2        pk 
    534   1.2        pk 	/*
    535   1.2        pk 	 * NOP chains don't give any advantage on this card, in fact they
    536   1.2        pk 	 * seem to slow it down some.  As the doctor says, "if it hurts,
    537   1.2        pk 	 * don't do it".
    538   1.2        pk 	 */
    539   1.2        pk 	sc->do_xmitnopchain = 0;
    540   1.1        pk 
    541   1.2        pk 	sc->sc_mediachange = NULL;
    542   1.2        pk 	sc->sc_mediastatus = ef_mediastatus;
    543   1.1        pk 
    544   1.2        pk 	/* Find the cards parent bus */
    545   1.2        pk 	for (bus = ef_isa_buses.lh_first; bus != NULL;
    546   1.2        pk 	     bus = bus->isa_link.le_next) {
    547   1.1        pk 
    548   1.2        pk 		if (bus->isa_bus == parent)
    549   1.2        pk 			break;
    550   1.1        pk 	}
    551   1.1        pk 
    552   1.2        pk 	if (bus == NULL)
    553   1.2        pk 		panic("%s: Can't find parent bus!", sc->sc_dev.dv_xname);
    554   1.2        pk 
    555   1.2        pk 
    556   1.2        pk 	/* If the bus hasn't been transitioned to the RUN state, do so now */
    557   1.2        pk 	if (bus->bus_state == 1) {
    558   1.2        pk 		if (bus_space_map(iot, ELINK_ID_PORT, 1, 0, &ioh) != 0) {
    559   1.2        pk 			DPRINTF(("\n%s: Can't map Elink ID port!\n",
    560   1.2        pk 				sc->sc_dev.dv_xname));
    561   1.2        pk 			return;
    562   1.2        pk 		}
    563   1.2        pk 
    564   1.2        pk 		bus_space_write_1(ia->ia_iot, ioh, 0, 0x00);
    565   1.2        pk 		elink_idseq(ia->ia_iot, ioh, ELINK_507_POLY);
    566   1.2        pk 		bus_space_write_1(ia->ia_iot, ioh, 0, 0x00);
    567   1.2        pk 		bus_space_unmap(ia->ia_iot, ioh, 1);
    568   1.1        pk 
    569   1.2        pk 		bus->bus_state++;
    570   1.2        pk 	}
    571   1.2        pk 
    572   1.2        pk 	/* Map i/o space. */
    573  1.12   thorpej 	if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr,
    574  1.12   thorpej 			  ia->ia_io[0].ir_size, 0, &ioh) != 0) {
    575   1.2        pk 
    576   1.2        pk 		DPRINTF(("\n%s: can't map i/o space 0x%x-0x%x\n",
    577  1.12   thorpej 			  sc->sc_dev.dv_xname, ia->ia_io[0].ir_addr,
    578  1.12   thorpej 			  ia->ia_io[0].ir_addr + ia->ia_io[0].ir_size - 1));
    579   1.2        pk 		return;
    580   1.2        pk 	}
    581   1.1        pk 
    582   1.2        pk 	esc->sc_regt = ia->ia_iot;
    583   1.2        pk 	esc->sc_regh = ioh;
    584   1.1        pk 
    585  1.12   thorpej 	if (bus_space_map(ia->ia_memt, ia->ia_iomem[0].ir_addr,
    586  1.12   thorpej 			  ia->ia_iomem[0].ir_size, 0, &memh) != 0) {
    587   1.1        pk 
    588   1.2        pk 		DPRINTF(("\n%s: can't map iomem space 0x%x-0x%x\n",
    589   1.2        pk 			sc->sc_dev.dv_xname, ia->ia_maddr,
    590   1.2        pk 			ia->ia_maddr + ia->ia_msize - 1));
    591  1.12   thorpej 		bus_space_unmap(ia->ia_iot, ioh, ia->ia_io[0].ir_size);
    592   1.2        pk 		return;
    593   1.2        pk 	}
    594   1.1        pk 
    595   1.2        pk 	sc->bt = ia->ia_memt;
    596   1.2        pk 	sc->bh = memh;
    597   1.1        pk 
    598  1.12   thorpej 	sc->sc_msize = ia->ia_iomem[0].ir_size;
    599   1.6  augustss 	sc->sc_maddr = (void *)memh;
    600   1.6  augustss 	sc->sc_iobase = (char *)sc->sc_maddr + sc->sc_msize - (1 << 24);
    601   1.2        pk 
    602   1.2        pk 	/* set up pointers to important on-card control structures */
    603   1.2        pk 	sc->iscp = 0;
    604   1.2        pk 	sc->scb = IE_ISCP_SZ;
    605   1.2        pk 	sc->scp = sc->sc_msize + IE_SCP_ADDR - (1 << 24);
    606   1.2        pk 
    607   1.2        pk 	sc->buf_area = sc->scb + IE_SCB_SZ;
    608   1.2        pk 	sc->buf_area_sz = sc->sc_msize - IE_ISCP_SZ - IE_SCB_SZ - IE_SCP_SZ;
    609   1.2        pk 
    610   1.2        pk 	/* zero card memory */
    611   1.2        pk 	bus_space_set_region_1(sc->bt, sc->bh, 0, 0, sc->sc_msize);
    612   1.2        pk 
    613   1.2        pk 	/* set card to 16-bit bus mode */
    614  1.11  fredette 	bus_space_write_1(sc->bt, sc->bh, IE_SCP_BUS_USE((u_long)sc->scp),
    615  1.11  fredette 			  IE_SYSBUS_16BIT);
    616   1.2        pk 
    617   1.2        pk 	/* set up pointers to key structures */
    618   1.2        pk 	ef_write_24(sc, IE_SCP_ISCP((u_long)sc->scp), (u_long) sc->iscp);
    619   1.2        pk 	ef_write_16(sc, IE_ISCP_SCB((u_long)sc->iscp), (u_long) sc->scb);
    620   1.2        pk 	ef_write_24(sc, IE_ISCP_BASE((u_long)sc->iscp), (u_long) sc->iscp);
    621   1.2        pk 
    622   1.2        pk 	/* flush setup of pointers, check if chip answers */
    623   1.2        pk 	bus_space_barrier(sc->bt, sc->bh, 0, sc->sc_msize,
    624   1.2        pk 			  BUS_SPACE_BARRIER_WRITE);
    625   1.2        pk 	if (!i82586_proberam(sc)) {
    626   1.2        pk 		DPRINTF(("\n%s: can't talk to i82586!\n",
    627   1.2        pk 			sc->sc_dev.dv_xname));
    628  1.12   thorpej 		bus_space_unmap(ia->ia_iot, ioh, ia->ia_io[0].ir_size);
    629  1.12   thorpej 		bus_space_unmap(ia->ia_memt, memh, ia->ia_iomem[0].ir_size);
    630   1.2        pk 		return;
    631   1.2        pk 	}
    632   1.1        pk 
    633   1.2        pk 	/* set bank 2 for card part number and revision */
    634   1.2        pk 	bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL,
    635   1.2        pk 			  EF_CTRL_NRST | EF_CTRL_BNK2);
    636   1.2        pk 
    637   1.2        pk 	/* card revision is encoded in BCD */
    638   1.2        pk 	i = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_REV);
    639   1.2        pk 	esc->card_rev = 10 * (i / 16) + (i % 16);
    640   1.2        pk 
    641   1.2        pk 	for (i = 0; i < EF_TYPE_LEN; i++)
    642   1.2        pk 		partno[i] = bus_space_read_1(esc->sc_regt, esc->sc_regh,
    643   1.2        pk 					     EF_TYPE + i);
    644   1.2        pk 
    645   1.2        pk 	/* use part number to guess if card is TP or AUI/BNC model */
    646   1.2        pk 	esc->card_type = EF_IS_TP(partno) ? EF_CARD_TP : EF_CARD_BNC;
    647   1.2        pk 
    648   1.2        pk 	/* set bank 0 for ethernet address */
    649   1.2        pk 	bus_space_write_1(esc->sc_regt, esc->sc_regh,
    650   1.2        pk 			  EF_CTRL, EF_CTRL_NORMAL);
    651   1.2        pk 
    652   1.2        pk 	for (i = 0; i < EF_ADDR_LEN; i++)
    653   1.2        pk 		ethaddr[i] = bus_space_read_1(esc->sc_regt, esc->sc_regh,
    654   1.2        pk 					      EF_ADDR + i);
    655   1.2        pk 
    656  1.19  christos 	snprintf(vers, sizeof(vers), "%s, rev. %d",
    657   1.2        pk 		(esc->card_type == EF_CARD_TP) ? "3C507-TP" : "3C507",
    658   1.2        pk 		esc->card_rev);
    659   1.2        pk 
    660   1.2        pk 	if (esc->card_type == EF_CARD_TP)
    661  1.19  christos 		i82586_attach(sc, vers, ethaddr, eftp_media, NEFTP_MEDIA,
    662   1.2        pk 			      eftp_media[0]);
    663   1.2        pk 	else {
    664   1.2        pk 		u_int8_t media = bus_space_read_1(esc->sc_regt, esc->sc_regh,
    665   1.2        pk 						  EF_MEDIA);
    666   1.2        pk 		media = (media & EF_MEDIA_MASK) >> EF_MEDIA_SHIFT;
    667   1.1        pk 
    668  1.19  christos 		i82586_attach(sc, vers, ethaddr, ef_media, NEF_MEDIA,
    669   1.2        pk 			      ef_media[media]);
    670   1.2        pk 	}
    671   1.1        pk 
    672   1.2        pk 	/* Clear the interrupt latch just in case. */
    673   1.2        pk 	bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1);
    674   1.1        pk 
    675  1.12   thorpej 	esc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
    676  1.12   thorpej 	    IST_EDGE, IPL_NET, i82586_intr, sc);
    677   1.2        pk 	if (esc->sc_ih == NULL) {
    678   1.2        pk 		DPRINTF(("\n%s: can't establish interrupt\n",
    679   1.2        pk 			sc->sc_dev.dv_xname));
    680   1.2        pk 	}
    681   1.1        pk }
    682   1.1        pk 
    683   1.2        pk static int
    684   1.1        pk ef_port_check(iot, ioh)
    685   1.1        pk 	bus_space_tag_t iot;
    686   1.1        pk 	bus_space_handle_t ioh;
    687   1.1        pk {
    688   1.1        pk 	int i;
    689   1.1        pk         u_char ch;
    690  1.19  christos 	const u_char* signature = EF_SIGNATURE;
    691   1.1        pk 
    692   1.1        pk 	for (i = 0; i < strlen(signature); i++) {
    693   1.1        pk 		ch = bus_space_read_1(iot, ioh, i);
    694   1.1        pk 		if (ch != signature[i])
    695   1.1        pk 			return 0;
    696   1.1        pk 	}
    697   1.2        pk 
    698   1.1        pk 	/* If card is mapped in high memory (above 15Meg), we can't use it */
    699   1.1        pk 	ch = bus_space_read_1(iot, ioh, EF_MADDR);
    700   1.1        pk 	if (ch & EF_MADDR_HIGH)
    701   1.1        pk 	    return 0;			/* XXX: maybe we should panic?? */
    702   1.1        pk 
    703   1.1        pk 	return 1;
    704   1.1        pk }
    705   1.1        pk 
    706  1.14   thorpej CFATTACH_DECL(ef, sizeof(struct ef_softc),
    707  1.15   thorpej     ef_match, ef_attach, NULL, NULL);
    708   1.1        pk 
    709