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if_ed.c (1349) if_ed.c (1358)
1/*
2 * Device driver for National Semiconductor DS8390/WD83C690 based ethernet
3 * adapters. By David Greenman, 29-April-1993
4 *
5 * Copyright (C) 1993, David Greenman. This software may be used, modified,
6 * copied, distributed, and sold, in both source and binary form provided
7 * that the above copyright and these terms are retained. Under no
8 * circumstances is the author responsible for the proper functioning
9 * of this software, nor does the author assume any responsibility
10 * for damages incurred with its use.
11 *
12 * Currently supports the Western Digital/SMC 8003 and 8013 series,
13 * the SMC Elite Ultra (8216), the 3Com 3c503, the NE1000 and NE2000,
14 * and a variety of similar clones.
15 *
16 */
17
18/*
1/*
2 * Device driver for National Semiconductor DS8390/WD83C690 based ethernet
3 * adapters. By David Greenman, 29-April-1993
4 *
5 * Copyright (C) 1993, David Greenman. This software may be used, modified,
6 * copied, distributed, and sold, in both source and binary form provided
7 * that the above copyright and these terms are retained. Under no
8 * circumstances is the author responsible for the proper functioning
9 * of this software, nor does the author assume any responsibility
10 * for damages incurred with its use.
11 *
12 * Currently supports the Western Digital/SMC 8003 and 8013 series,
13 * the SMC Elite Ultra (8216), the 3Com 3c503, the NE1000 and NE2000,
14 * and a variety of similar clones.
15 *
16 */
17
18/*
19 * $Id: if_ed.c,v 1.35 1994/03/02 05:50:01 davidg Exp $
19 * $Id: if_ed.c,v 1.36 1994/04/10 20:06:26 davidg Exp $
20 */
21
22#include "ed.h"
23#if NED > 0
24/* bpfilter included here in case it is needed in future net includes */
25#include "bpfilter.h"
26
27#include "param.h"

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522
523 /*
524 * Set upper address bits and 8/16 bit access to shared memory
525 */
526 if (isa16bit) {
527 if (sc->is790) {
528 sc->wd_laar_proto = inb(sc->asic_addr + ED_WD_LAAR);
529 outb(sc->asic_addr + ED_WD_LAAR, ED_WD_LAAR_M16EN);
20 */
21
22#include "ed.h"
23#if NED > 0
24/* bpfilter included here in case it is needed in future net includes */
25#include "bpfilter.h"
26
27#include "param.h"

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522
523 /*
524 * Set upper address bits and 8/16 bit access to shared memory
525 */
526 if (isa16bit) {
527 if (sc->is790) {
528 sc->wd_laar_proto = inb(sc->asic_addr + ED_WD_LAAR);
529 outb(sc->asic_addr + ED_WD_LAAR, ED_WD_LAAR_M16EN);
530 (void) inb(0x84);
530 } else {
531 outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto =
532 ED_WD_LAAR_L16EN | ED_WD_LAAR_M16EN |
533 ((kvtop(sc->mem_start) >> 19) & ED_WD_LAAR_ADDRHI)));
534 }
535 } else {
536 if ((sc->type & ED_WD_SOFTCONFIG) ||
537#ifdef TOSH_ETHER

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551 for (i = 0; i < memsize; ++i)
552 if (sc->mem_start[i]) {
553 printf("ed%d: failed to clear shared memory at %x - check configuration\n",
554 isa_dev->id_unit, kvtop(sc->mem_start + i));
555
556 /*
557 * Disable 16 bit access to shared memory
558 */
531 } else {
532 outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto =
533 ED_WD_LAAR_L16EN | ED_WD_LAAR_M16EN |
534 ((kvtop(sc->mem_start) >> 19) & ED_WD_LAAR_ADDRHI)));
535 }
536 } else {
537 if ((sc->type & ED_WD_SOFTCONFIG) ||
538#ifdef TOSH_ETHER

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552 for (i = 0; i < memsize; ++i)
553 if (sc->mem_start[i]) {
554 printf("ed%d: failed to clear shared memory at %x - check configuration\n",
555 isa_dev->id_unit, kvtop(sc->mem_start + i));
556
557 /*
558 * Disable 16 bit access to shared memory
559 */
559 if (isa16bit)
560 if (isa16bit) {
560 outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto &=
561 ~ED_WD_LAAR_M16EN));
561 outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto &=
562 ~ED_WD_LAAR_M16EN));
563 (void) inb(0x84);
564 }
562
563 return(0);
564 }
565
566 /*
567 * Disable 16bit access to shared memory - we leave it disabled so
568 * that 1) machines reboot properly when the board is set
569 * 16 bit mode and there are conflicting 8bit devices/ROMS
570 * in the same 128k address space as this boards shared
571 * memory. and 2) so that other 8 bit devices with shared
572 * memory can be used in this 128k region, too.
573 */
565
566 return(0);
567 }
568
569 /*
570 * Disable 16bit access to shared memory - we leave it disabled so
571 * that 1) machines reboot properly when the board is set
572 * 16 bit mode and there are conflicting 8bit devices/ROMS
573 * in the same 128k address space as this boards shared
574 * memory. and 2) so that other 8 bit devices with shared
575 * memory can be used in this 128k region, too.
576 */
574 if (isa16bit)
577 if (isa16bit) {
575 outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto &=
576 ~ED_WD_LAAR_M16EN));
578 outb(sc->asic_addr + ED_WD_LAAR, (sc->wd_laar_proto &=
579 ~ED_WD_LAAR_M16EN));
577
580 (void) inb(0x84);
581 }
578 }
579
580 return (ED_WD_IO_PORTS);
581}
582
583/*
584 * Probe and vendor-specific initialization routine for 3Com 3c503 boards
585 */

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1451 * Don't update wd_laar_proto because we want to restore the
1452 * previous state (because an arp reply in the input code
1453 * may cause a call-back to ed_start)
1454 * XXX - the call-back to 'start' is a bug, IMHO.
1455 */
1456 case ED_VENDOR_WD_SMC: {
1457 outb(sc->asic_addr + ED_WD_LAAR,
1458 (sc->wd_laar_proto | ED_WD_LAAR_M16EN));
582 }
583
584 return (ED_WD_IO_PORTS);
585}
586
587/*
588 * Probe and vendor-specific initialization routine for 3Com 3c503 boards
589 */

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1455 * Don't update wd_laar_proto because we want to restore the
1456 * previous state (because an arp reply in the input code
1457 * may cause a call-back to ed_start)
1458 * XXX - the call-back to 'start' is a bug, IMHO.
1459 */
1460 case ED_VENDOR_WD_SMC: {
1461 outb(sc->asic_addr + ED_WD_LAAR,
1462 (sc->wd_laar_proto | ED_WD_LAAR_M16EN));
1459 if (sc->is790)
1460 outb(sc->asic_addr + ED_WD_MSR, ED_WD_MSR_MENB);
1463 (void) inb(0x84);
1464 if (sc->is790) {
1465 outb(sc->asic_addr + ED_WD_MSR, ED_WD_MSR_MENB);
1466 (void) inb(0x84);
1467 }
1468 (void) inb(0x84);
1461 break;
1462 }
1463 }
1464 }
1465
1466 for (len = 0; m != 0; m = m->m_next) {
1467 bcopy(mtod(m, caddr_t), buffer, m->m_len);
1468 buffer += m->m_len;

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1475 if (sc->isa16bit) {
1476 switch (sc->vendor) {
1477 case ED_VENDOR_3COM:
1478 outb(sc->asic_addr + ED_3COM_GACFR,
1479 ED_3COM_GACFR_RSEL | ED_3COM_GACFR_MBS0);
1480 break;
1481 case ED_VENDOR_WD_SMC: {
1482 outb(sc->asic_addr + ED_WD_LAAR, sc->wd_laar_proto);
1469 break;
1470 }
1471 }
1472 }
1473
1474 for (len = 0; m != 0; m = m->m_next) {
1475 bcopy(mtod(m, caddr_t), buffer, m->m_len);
1476 buffer += m->m_len;

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1483 if (sc->isa16bit) {
1484 switch (sc->vendor) {
1485 case ED_VENDOR_3COM:
1486 outb(sc->asic_addr + ED_3COM_GACFR,
1487 ED_3COM_GACFR_RSEL | ED_3COM_GACFR_MBS0);
1488 break;
1489 case ED_VENDOR_WD_SMC: {
1490 outb(sc->asic_addr + ED_WD_LAAR, sc->wd_laar_proto);
1483 if (sc->is790)
1484 outb(sc->asic_addr + ED_WD_MSR, 0x00);
1491 (void) inb(0x84);
1492 if (sc->is790) {
1493 outb(sc->asic_addr + ED_WD_MSR, 0x00);
1494 (void) inb(0x84);
1495 }
1485 break;
1486 }
1487 }
1488 }
1489 } else {
1490 len = ed_pio_write_mbufs(sc, m, buffer);
1491 }
1492

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1834 * on WD/SMC boards.
1835 */
1836 if (sc->isa16bit &&
1837 (sc->vendor == ED_VENDOR_WD_SMC)) {
1838
1839 outb(sc->asic_addr + ED_WD_LAAR,
1840 (sc->wd_laar_proto |=
1841 ED_WD_LAAR_M16EN));
1496 break;
1497 }
1498 }
1499 }
1500 } else {
1501 len = ed_pio_write_mbufs(sc, m, buffer);
1502 }
1503

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1845 * on WD/SMC boards.
1846 */
1847 if (sc->isa16bit &&
1848 (sc->vendor == ED_VENDOR_WD_SMC)) {
1849
1850 outb(sc->asic_addr + ED_WD_LAAR,
1851 (sc->wd_laar_proto |=
1852 ED_WD_LAAR_M16EN));
1842 if (sc->is790)
1843 outb(sc->asic_addr + ED_WD_MSR,
1844 ED_WD_MSR_MENB);
1853 (void) inb(0x84);
1854 if (sc->is790) {
1855 outb(sc->asic_addr + ED_WD_MSR,
1856 ED_WD_MSR_MENB);
1857 (void) inb(0x84);
1858 }
1845 }
1846
1847 ed_rint (unit);
1848
1849 /* disable 16bit access */
1850 if (sc->isa16bit &&
1851 (sc->vendor == ED_VENDOR_WD_SMC)) {
1852
1853 outb(sc->asic_addr + ED_WD_LAAR,
1854 (sc->wd_laar_proto &=
1855 ~ED_WD_LAAR_M16EN));
1859 }
1860
1861 ed_rint (unit);
1862
1863 /* disable 16bit access */
1864 if (sc->isa16bit &&
1865 (sc->vendor == ED_VENDOR_WD_SMC)) {
1866
1867 outb(sc->asic_addr + ED_WD_LAAR,
1868 (sc->wd_laar_proto &=
1869 ~ED_WD_LAAR_M16EN));
1856 if (sc->is790)
1857 outb(sc->asic_addr + ED_WD_MSR, 0x00);
1870 (void) inb(0x84);
1871 if (sc->is790) {
1872 outb(sc->asic_addr + ED_WD_MSR, 0x00);
1873 (void) inb(0x84);
1874 }
1858 }
1859 }
1860 }
1861
1862 /*
1863 * If it looks like the transmitter can take more data,
1864 * attempt to start output on the interface.
1865 * This is done after handling the receiver to

--- 606 unchanged lines hidden --- 		1875 }
1876 }
1877 }
1878
1879 /*
1880 * If it looks like the transmitter can take more data,
1881 * attempt to start output on the interface.
1882 * This is done after handling the receiver to

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