2 * Copyright (c) 1996, Javier MartÃn Rueda (jmrueda@diatel.upm.es)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * $FreeBSD: src/sys/dev/ex/if_ex.c,v 1.26.2.3 2001/03/05 05:33:20 imp Exp $
28 * $DragonFly: src/sys/dev/netif/ex/if_ex.c,v 1.2 2003/06/17 04:28:25 dillon Exp $
30 * MAINTAINER: Matthew N. Dodd <winter@jurai.net>
35 * Intel EtherExpress Pro/10, Pro/10+ Ethernet driver
39 * 30-Oct-1996: first beta version. Inet and BPF supported, but no multicast.
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/sockio.h>
47 #include <sys/socket.h>
49 #include <sys/module.h>
52 #include <machine/bus.h>
53 #include <machine/resource.h>
57 #include <net/if_arp.h>
58 #include <net/if_media.h>
59 #include <net/ethernet.h>
62 #include <netinet/in.h>
63 #include <netinet/if_ether.h>
66 #include <isa/isavar.h>
67 #include <isa/pnpvar.h>
69 #include <dev/ex/if_exreg.h>
70 #include <dev/ex/if_exvar.h>
77 static int debug_mask = 0;
78 static int exintr_count = 0;
79 # define DODEBUG(level, action) if (level & debug_mask) action
81 # define DODEBUG(level, action)
85 { -1, -1, 0, 1, -1, 2, -1, -1, -1, 0, 3, 4, -1, -1, -1, -1 };
87 { 9, 3, 5, 10, 11, 0, 0, 0 };
89 char plus_irq2eemap[] =
90 { -1, -1, -1, 0, 1, 2, -1, 3, -1, 4, 5, 6, 7, -1, -1, -1 };
91 u_char plus_ee2irqmap[] =
92 { 3, 4, 5, 7, 9, 10, 11, 12 };
94 /* Network Interface Functions */
95 static void ex_init __P((void *));
96 static void ex_start __P((struct ifnet *));
97 static int ex_ioctl __P((struct ifnet *, u_long, caddr_t));
98 static void ex_watchdog __P((struct ifnet *));
100 /* ifmedia Functions */
101 static int ex_ifmedia_upd __P((struct ifnet *));
102 static void ex_ifmedia_sts __P((struct ifnet *, struct ifmediareq *));
104 static int ex_get_media __P((u_int32_t iobase));
106 static void ex_reset __P((struct ex_softc *));
108 static void ex_tx_intr __P((struct ex_softc *));
109 static void ex_rx_intr __P((struct ex_softc *));
112 look_for_card (u_int32_t iobase)
117 * Check for the i82595 signature, and check that the round robin
118 * counter actually advances.
120 if (((count1 = inb(iobase + ID_REG)) & Id_Mask) != Id_Sig)
122 count2 = inb(iobase + ID_REG);
123 count2 = inb(iobase + ID_REG);
124 count2 = inb(iobase + ID_REG);
126 return((count2 & Counter_bits) == ((count1 + 0xc0) & Counter_bits));
130 ex_get_address (u_int32_t iobase, u_char *enaddr)
134 eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Lo);
135 enaddr[5] = eaddr_tmp & 0xff;
136 enaddr[4] = eaddr_tmp >> 8;
137 eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Mid);
138 enaddr[3] = eaddr_tmp & 0xff;
139 enaddr[2] = eaddr_tmp >> 8;
140 eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Hi);
141 enaddr[1] = eaddr_tmp & 0xff;
142 enaddr[0] = eaddr_tmp >> 8;
148 ex_card_type (u_char *enaddr)
150 if ((enaddr[0] == 0x00) && (enaddr[1] == 0xA0) && (enaddr[2] == 0xC9))
151 return (CARD_TYPE_EX_10_PLUS);
153 return (CARD_TYPE_EX_10);
157 * Caller is responsible for eventually calling
158 * ex_release_resources() on failure.
161 ex_alloc_resources (device_t dev)
163 struct ex_softc * sc = device_get_softc(dev);
166 sc->ioport = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->ioport_rid,
167 0, ~0, 1, RF_ACTIVE);
169 device_printf(dev, "No I/O space?!\n");
174 sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
175 0, ~0, 1, RF_ACTIVE);
178 device_printf(dev, "No IRQ?!\n");
188 ex_release_resources (device_t dev)
190 struct ex_softc * sc = device_get_softc(dev);
193 bus_teardown_intr(dev, sc->irq, sc->ih);
198 bus_release_resource(dev, SYS_RES_IOPORT,
199 sc->ioport_rid, sc->ioport);
204 bus_release_resource(dev, SYS_RES_IRQ,
205 sc->irq_rid, sc->irq);
213 ex_attach(device_t dev)
215 struct ex_softc * sc = device_get_softc(dev);
216 struct ifnet * ifp = &sc->arpcom.ac_if;
217 struct ifmedia * ifm;
218 int unit = device_get_unit(dev);
221 /* work out which set of irq <-> internal tables to use */
222 if (ex_card_type(sc->arpcom.ac_enaddr) == CARD_TYPE_EX_10_PLUS) {
223 sc->irq2ee = plus_irq2eemap;
224 sc->ee2irq = plus_ee2irqmap;
226 sc->irq2ee = irq2eemap;
227 sc->ee2irq = ee2irqmap;
230 sc->mem_size = CARD_RAM_SIZE; /* XXX This should be read from the card itself. */
233 * Initialize the ifnet structure.
238 ifp->if_mtu = ETHERMTU;
239 ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST /* XXX not done yet. | IFF_MULTICAST */;
240 ifp->if_output = ether_output;
241 ifp->if_start = ex_start;
242 ifp->if_ioctl = ex_ioctl;
243 ifp->if_watchdog = ex_watchdog;
244 ifp->if_init = ex_init;
245 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
247 ifmedia_init(&sc->ifmedia, 0, ex_ifmedia_upd, ex_ifmedia_sts);
249 temp = eeprom_read(sc->iobase, EE_W5);
250 if (temp & EE_W5_PORT_TPE)
251 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
252 if (temp & EE_W5_PORT_BNC)
253 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_2, 0, NULL);
254 if (temp & EE_W5_PORT_AUI)
255 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_5, 0, NULL);
257 ifmedia_set(&sc->ifmedia, ex_get_media(sc->iobase));
260 ifm->ifm_media = ifm->ifm_cur->ifm_media;
264 * Attach the interface.
266 ether_ifattach(ifp, ETHER_BPF_SUPPORTED);
268 device_printf(sc->dev, "Ethernet address %6D\n",
269 sc->arpcom.ac_enaddr, ":");
277 struct ex_softc * sc = (struct ex_softc *) xsc;
278 struct ifnet * ifp = &sc->arpcom.ac_if;
281 register int iobase = sc->iobase;
282 unsigned short temp_reg;
284 DODEBUG(Start_End, printf("ex_init%d: start\n", ifp->if_unit););
286 if (TAILQ_FIRST(&ifp->if_addrhead) == NULL) {
293 * Load the ethernet address into the card.
295 outb(iobase + CMD_REG, Bank2_Sel);
296 temp_reg = inb(iobase + EEPROM_REG);
297 if (temp_reg & Trnoff_Enable) {
298 outb(iobase + EEPROM_REG, temp_reg & ~Trnoff_Enable);
300 for (i = 0; i < ETHER_ADDR_LEN; i++) {
301 outb(iobase + I_ADDR_REG0 + i, sc->arpcom.ac_enaddr[i]);
304 * - Setup transmit chaining and discard bad received frames.
307 * - Set receiving mode.
310 outb(iobase + REG1, inb(iobase + REG1) | Tx_Chn_Int_Md | Tx_Chn_ErStp | Disc_Bad_Fr);
311 outb(iobase + REG2, inb(iobase + REG2) | No_SA_Ins | RX_CRC_InMem);
312 outb(iobase + REG3, inb(iobase + REG3) & 0x3f /* XXX constants. */ );
313 outb(iobase + CMD_REG, Bank1_Sel);
314 outb(iobase + INT_NO_REG, (inb(iobase + INT_NO_REG) & 0xf8) | sc->irq2ee[sc->irq_no]);
317 * Divide the available memory in the card into rcv and xmt buffers.
318 * By default, I use the first 3/4 of the memory for the rcv buffer,
319 * and the remaining 1/4 of the memory for the xmt buffer.
321 sc->rx_mem_size = sc->mem_size * 3 / 4;
322 sc->tx_mem_size = sc->mem_size - sc->rx_mem_size;
323 sc->rx_lower_limit = 0x0000;
324 sc->rx_upper_limit = sc->rx_mem_size - 2;
325 sc->tx_lower_limit = sc->rx_mem_size;
326 sc->tx_upper_limit = sc->mem_size - 2;
327 outb(iobase + RCV_LOWER_LIMIT_REG, sc->rx_lower_limit >> 8);
328 outb(iobase + RCV_UPPER_LIMIT_REG, sc->rx_upper_limit >> 8);
329 outb(iobase + XMT_LOWER_LIMIT_REG, sc->tx_lower_limit >> 8);
330 outb(iobase + XMT_UPPER_LIMIT_REG, sc->tx_upper_limit >> 8);
333 * Enable receive and transmit interrupts, and clear any pending int.
335 outb(iobase + REG1, inb(iobase + REG1) | TriST_INT);
336 outb(iobase + CMD_REG, Bank0_Sel);
337 outb(iobase + MASK_REG, All_Int & ~(Rx_Int | Tx_Int));
338 outb(iobase + STATUS_REG, All_Int);
341 * Initialize receive and transmit ring buffers.
343 outw(iobase + RCV_BAR, sc->rx_lower_limit);
344 sc->rx_head = sc->rx_lower_limit;
345 outw(iobase + RCV_STOP_REG, sc->rx_upper_limit | 0xfe);
346 outw(iobase + XMT_BAR, sc->tx_lower_limit);
347 sc->tx_head = sc->tx_tail = sc->tx_lower_limit;
349 ifp->if_flags |= IFF_RUNNING;
350 ifp->if_flags &= ~IFF_OACTIVE;
351 DODEBUG(Status, printf("OIDLE init\n"););
354 * Final reset of the board, and enable operation.
356 outb(iobase + CMD_REG, Sel_Reset_CMD);
358 outb(iobase + CMD_REG, Rcv_Enable_CMD);
363 DODEBUG(Start_End, printf("ex_init%d: finish\n", ifp->if_unit););
368 ex_start(struct ifnet *ifp)
370 struct ex_softc * sc = ifp->if_softc;
371 int iobase = sc->iobase;
372 int i, s, len, data_len, avail, dest, next;
373 unsigned char tmp16[2];
377 DODEBUG(Start_End, printf("ex_start%d: start\n", unit););
382 * Main loop: send outgoing packets to network card until there are no
383 * more packets left, or the card cannot accept any more yet.
385 while (((opkt = ifp->if_snd.ifq_head) != NULL) &&
386 !(ifp->if_flags & IFF_OACTIVE)) {
389 * Ensure there is enough free transmit buffer space for
390 * this packet, including its header. Note: the header
391 * cannot wrap around the end of the transmit buffer and
392 * must be kept together, so we allow space for twice the
393 * length of the header, just in case.
396 for (len = 0, m = opkt; m != NULL; m = m->m_next) {
402 DODEBUG(Sent_Pkts, printf("1. Sending packet with %d data bytes. ", data_len););
405 len += XMT_HEADER_LEN + 1;
407 len += XMT_HEADER_LEN;
410 if ((i = sc->tx_tail - sc->tx_head) >= 0) {
411 avail = sc->tx_mem_size - i;
416 DODEBUG(Sent_Pkts, printf("i=%d, avail=%d\n", i, avail););
418 if (avail >= len + XMT_HEADER_LEN) {
419 IF_DEQUEUE(&ifp->if_snd, opkt);
423 * Disable rx and tx interrupts, to avoid corruption
424 * of the host address register by interrupt service
426 * XXX Is this necessary with splimp() enabled?
428 outb(iobase + MASK_REG, All_Int);
432 * Compute the start and end addresses of this
433 * frame in the tx buffer.
438 if (next > sc->tx_upper_limit) {
439 if ((sc->tx_upper_limit + 2 - sc->tx_tail) <=
441 dest = sc->tx_lower_limit;
444 next = sc->tx_lower_limit +
445 next - sc->tx_upper_limit - 2;
450 * Build the packet frame in the card's ring buffer.
452 DODEBUG(Sent_Pkts, printf("2. dest=%d, next=%d. ", dest, next););
454 outw(iobase + HOST_ADDR_REG, dest);
455 outw(iobase + IO_PORT_REG, Transmit_CMD);
456 outw(iobase + IO_PORT_REG, 0);
457 outw(iobase + IO_PORT_REG, next);
458 outw(iobase + IO_PORT_REG, data_len);
461 * Output the packet data to the card. Ensure all
462 * transfers are 16-bit wide, even if individual
463 * mbufs have odd length.
466 for (m = opkt, i = 0; m != NULL; m = m->m_next) {
467 DODEBUG(Sent_Pkts, printf("[%d]", m->m_len););
469 tmp16[1] = *(mtod(m, caddr_t));
470 outsw(iobase + IO_PORT_REG, tmp16, 1);
472 outsw(iobase + IO_PORT_REG,
473 mtod(m, caddr_t) + i, (m->m_len - i) / 2);
475 if ((i = (m->m_len - i) & 1) != 0) {
476 tmp16[0] = *(mtod(m, caddr_t) +
481 outsw(iobase + IO_PORT_REG, tmp16, 1);
485 * If there were other frames chained, update the
486 * chain in the last one.
488 if (sc->tx_head != sc->tx_tail) {
489 if (sc->tx_tail != dest) {
490 outw(iobase + HOST_ADDR_REG,
491 sc->tx_last + XMT_Chain_Point);
492 outw(iobase + IO_PORT_REG, dest);
494 outw(iobase + HOST_ADDR_REG,
495 sc->tx_last + XMT_Byte_Count);
496 i = inw(iobase + IO_PORT_REG);
497 outw(iobase + HOST_ADDR_REG,
498 sc->tx_last + XMT_Byte_Count);
499 outw(iobase + IO_PORT_REG, i | Ch_bit);
503 * Resume normal operation of the card:
504 * - Make a dummy read to flush the DRAM write
506 * - Enable receive and transmit interrupts.
507 * - Send Transmit or Resume_XMT command, as
510 inw(iobase + IO_PORT_REG);
512 outb(iobase + MASK_REG, All_Int & ~(Rx_Int | Tx_Int));
514 if (sc->tx_head == sc->tx_tail) {
515 outw(iobase + XMT_BAR, dest);
516 outb(iobase + CMD_REG, Transmit_CMD);
518 DODEBUG(Sent_Pkts, printf("Transmit\n"););
520 outb(iobase + CMD_REG, Resume_XMT_List_CMD);
521 DODEBUG(Sent_Pkts, printf("Resume\n"););
527 if (ifp->if_bpf != NULL) {
535 ifp->if_flags |= IFF_OACTIVE;
536 DODEBUG(Status, printf("OACTIVE start\n"););
542 DODEBUG(Start_End, printf("ex_start%d: finish\n", unit););
546 ex_stop(struct ex_softc *sc)
548 int iobase = sc->iobase;
550 DODEBUG(Start_End, printf("ex_stop%d: start\n", unit););
553 * Disable card operation:
554 * - Disable the interrupt line.
555 * - Flush transmission and disable reception.
556 * - Mask and clear all interrupts.
559 outb(iobase + CMD_REG, Bank1_Sel);
560 outb(iobase + REG1, inb(iobase + REG1) & ~TriST_INT);
561 outb(iobase + CMD_REG, Bank0_Sel);
562 outb(iobase + CMD_REG, Rcv_Stop);
563 sc->tx_head = sc->tx_tail = sc->tx_lower_limit;
564 sc->tx_last = 0; /* XXX I think these two lines are not necessary, because ex_init will always be called again to reinit the interface. */
565 outb(iobase + MASK_REG, All_Int);
566 outb(iobase + STATUS_REG, All_Int);
567 outb(iobase + CMD_REG, Reset_CMD);
570 DODEBUG(Start_End, printf("ex_stop%d: finish\n", unit););
578 struct ex_softc * sc = (struct ex_softc *)arg;
579 struct ifnet * ifp = &sc->arpcom.ac_if;
580 int iobase = sc->iobase;
581 int int_status, send_pkts;
583 DODEBUG(Start_End, printf("ex_intr%d: start\n", unit););
586 if (++exintr_count != 1)
587 printf("WARNING: nested interrupt (%d). Mail the author.\n", exintr_count);
591 while ((int_status = inb(iobase + STATUS_REG)) & (Tx_Int | Rx_Int)) {
592 if (int_status & Rx_Int) {
593 outb(iobase + STATUS_REG, Rx_Int);
596 } else if (int_status & Tx_Int) {
597 outb(iobase + STATUS_REG, Tx_Int);
605 * If any packet has been transmitted, and there are queued packets to
606 * be sent, attempt to send more packets to the network card.
609 if (send_pkts && (ifp->if_snd.ifq_head != NULL)) {
617 DODEBUG(Start_End, printf("ex_intr%d: finish\n", unit););
623 ex_tx_intr(struct ex_softc *sc)
625 struct ifnet * ifp = &sc->arpcom.ac_if;
626 int iobase = sc->iobase;
629 DODEBUG(Start_End, printf("ex_tx_intr%d: start\n", unit););
632 * - Cancel the watchdog.
633 * For all packets transmitted since last transmit interrupt:
634 * - Advance chain pointer to next queued packet.
635 * - Update statistics.
640 while (sc->tx_head != sc->tx_tail) {
641 outw(iobase + HOST_ADDR_REG, sc->tx_head);
643 if (! inw(iobase + IO_PORT_REG) & Done_bit)
646 tx_status = inw(iobase + IO_PORT_REG);
647 sc->tx_head = inw(iobase + IO_PORT_REG);
649 if (tx_status & TX_OK_bit) {
655 ifp->if_collisions += tx_status & No_Collisions_bits;
659 * The card should be ready to accept more packets now.
662 ifp->if_flags &= ~IFF_OACTIVE;
664 DODEBUG(Status, printf("OIDLE tx_intr\n"););
665 DODEBUG(Start_End, printf("ex_tx_intr%d: finish\n", unit););
671 ex_rx_intr(struct ex_softc *sc)
673 struct ifnet * ifp = &sc->arpcom.ac_if;
674 int iobase = sc->iobase;
680 struct ether_header * eh;
682 DODEBUG(Start_End, printf("ex_rx_intr%d: start\n", unit););
685 * For all packets received since last receive interrupt:
686 * - If packet ok, read it into a new mbuf and queue it to interface,
687 * updating statistics.
688 * - If packet bad, just discard it, and update statistics.
689 * Finally, advance receive stop limit in card's memory to new location.
692 outw(iobase + HOST_ADDR_REG, sc->rx_head);
694 while (inw(iobase + IO_PORT_REG) == RCV_Done) {
696 rx_status = inw(iobase + IO_PORT_REG);
697 sc->rx_head = inw(iobase + IO_PORT_REG);
698 QQQ = pkt_len = inw(iobase + IO_PORT_REG);
700 if (rx_status & RCV_OK_bit) {
701 MGETHDR(m, M_DONTWAIT, MT_DATA);
706 ipkt->m_pkthdr.rcvif = ifp;
707 ipkt->m_pkthdr.len = pkt_len;
710 while (pkt_len > 0) {
711 if (pkt_len > MINCLSIZE) {
712 MCLGET(m, M_DONTWAIT);
713 if (m->m_flags & M_EXT) {
721 m->m_len = min(m->m_len, pkt_len);
724 * NOTE: I'm assuming that all mbufs allocated are of even length,
725 * except for the last one in an odd-length packet.
728 insw(iobase + IO_PORT_REG,
729 mtod(m, caddr_t), m->m_len / 2);
732 *(mtod(m, caddr_t) + m->m_len - 1) = inb(iobase + IO_PORT_REG);
737 MGET(m->m_next, M_DONTWAIT, MT_DATA);
738 if (m->m_next == NULL) {
747 eh = mtod(ipkt, struct ether_header *);
749 if (debug_mask & Rcvd_Pkts) {
750 if ((eh->ether_dhost[5] != 0xff) || (eh->ether_dhost[0] != 0xff)) {
751 printf("Receive packet with %d data bytes: %6D -> ", QQQ, eh->ether_shost, ":");
752 printf("%6D\n", eh->ether_dhost, ":");
756 m_adj(ipkt, sizeof(struct ether_header));
757 ether_input(ifp, eh, ipkt);
763 outw(iobase + HOST_ADDR_REG, sc->rx_head);
767 if (sc->rx_head < sc->rx_lower_limit + 2)
768 outw(iobase + RCV_STOP_REG, sc->rx_upper_limit);
770 outw(iobase + RCV_STOP_REG, sc->rx_head - 2);
772 DODEBUG(Start_End, printf("ex_rx_intr%d: finish\n", unit););
779 ex_ioctl(register struct ifnet *ifp, u_long cmd, caddr_t data)
781 struct ex_softc * sc = ifp->if_softc;
782 struct ifreq * ifr = (struct ifreq *)data;
786 DODEBUG(Start_End, printf("ex_ioctl%d: start ", ifp->if_unit););
794 error = ether_ioctl(ifp, cmd, data);
798 DODEBUG(Start_End, printf("SIOCSIFFLAGS"););
799 if ((ifp->if_flags & IFF_UP) == 0 &&
800 (ifp->if_flags & IFF_RUNNING)) {
802 ifp->if_flags &= ~IFF_RUNNING;
810 DODEBUG(Start_End, printf("SIOCGHWADDR"););
811 bcopy((caddr_t)sc->sc_addr, (caddr_t)&ifr->ifr_data,
812 sizeof(sc->sc_addr));
816 DODEBUG(Start_End, printf("SIOCADDMULTI"););
818 DODEBUG(Start_End, printf("SIOCDELMULTI"););
819 /* XXX Support not done yet. */
824 error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, cmd);
827 DODEBUG(Start_End, printf("unknown"););
833 DODEBUG(Start_End, printf("\nex_ioctl%d: finish\n", ifp->if_unit););
840 ex_reset(struct ex_softc *sc)
844 DODEBUG(Start_End, printf("ex_reset%d: start\n", unit););
853 DODEBUG(Start_End, printf("ex_reset%d: finish\n", unit););
859 ex_watchdog(struct ifnet *ifp)
861 struct ex_softc * sc = ifp->if_softc;
863 DODEBUG(Start_End, printf("ex_watchdog%d: start\n", ifp->if_unit););
865 ifp->if_flags &= ~IFF_OACTIVE;
867 DODEBUG(Status, printf("OIDLE watchdog\n"););
873 DODEBUG(Start_End, printf("ex_watchdog%d: finish\n", ifp->if_unit););
879 ex_get_media (u_int32_t iobase)
883 outb(iobase + CMD_REG, Bank2_Sel);
884 tmp = inb(iobase + REG3);
885 outb(iobase + CMD_REG, Bank0_Sel);
888 return(IFM_ETHER|IFM_10_T);
890 return(IFM_ETHER|IFM_10_2);
892 return (IFM_ETHER|IFM_10_5);
904 ex_ifmedia_sts(ifp, ifmr)
906 struct ifmediareq * ifmr;
908 struct ex_softc * sc = ifp->if_softc;
910 ifmr->ifm_active = ex_get_media(sc->iobase);
916 eeprom_read(u_int32_t iobase, int location)
921 int read_cmd = location | EE_READ_CMD;
922 short ctrl_val = EECS;
924 ee_addr = iobase + EEPROM_REG;
925 outb(iobase + CMD_REG, Bank2_Sel);
927 for (i = 8; i >= 0; i--) {
928 short outval = (read_cmd & (1 << i)) ? ctrl_val | EEDI : ctrl_val;
929 outb(ee_addr, outval);
930 outb(ee_addr, outval | EESK);
932 outb(ee_addr, outval);
935 outb(ee_addr, ctrl_val);
937 for (i = 16; i > 0; i--) {
938 outb(ee_addr, ctrl_val | EESK);
940 data = (data << 1) | ((inb(ee_addr) & EEDO) ? 1 : 0);
941 outb(ee_addr, ctrl_val);
946 outb(ee_addr, ctrl_val | EESK);
948 outb(ee_addr, ctrl_val);
950 outb(iobase + CMD_REG, Bank0_Sel);