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if_ed.c (118607) if_ed.c (121118)
1/*
2 * Copyright (c) 1995, David Greenman
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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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
25 * SUCH DAMAGE.
26 *
1/*
2 * Copyright (c) 1995, David Greenman
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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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
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: head/sys/dev/ed/if_ed.c 118607 2003-08-07 15:04:27Z jhb $
27 * $FreeBSD: head/sys/dev/ed/if_ed.c 121118 2003-10-15 17:22:15Z shiba $
28 */
29
30/*
31 * Device driver for National Semiconductor DS8390/WD83C690 based ethernet
32 * adapters. By David Greenman, 29-April-1993
33 *
34 * Currently supports the Western Digital/SMC 8003 and 8013 series,
35 * the SMC Elite Ultra (8216), the 3Com 3c503, the NE1000 and NE2000,

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906 device_printf(dev, "failed to clear shared memory at %jx - check configuration\n",
907 (uintmax_t)kvtop(sc->mem_start + i));
908 return (ENXIO);
909 }
910 return (0);
911}
912
913/*
28 */
29
30/*
31 * Device driver for National Semiconductor DS8390/WD83C690 based ethernet
32 * adapters. By David Greenman, 29-April-1993
33 *
34 * Currently supports the Western Digital/SMC 8003 and 8013 series,
35 * the SMC Elite Ultra (8216), the 3Com 3c503, the NE1000 and NE2000,

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906 device_printf(dev, "failed to clear shared memory at %jx - check configuration\n",
907 (uintmax_t)kvtop(sc->mem_start + i));
908 return (ENXIO);
909 }
910 return (0);
911}
912
913/*
914 * Probe and vendor-specific initialization routine for SIC boards
915 */
916int
917ed_probe_SIC(dev, port_rid, flags)
918 device_t dev;
919 int port_rid;
920 int flags;
921{
922 struct ed_softc *sc = device_get_softc(dev);
923 int error;
924 int i;
925 u_int memsize;
926 u_long conf_maddr, conf_msize;
927 u_char sum;
928
929 error = ed_alloc_port(dev, 0, ED_SIC_IO_PORTS);
930 if (error)
931 return (error);
932
933 sc->asic_offset = ED_SIC_ASIC_OFFSET;
934 sc->nic_offset = ED_SIC_NIC_OFFSET;
935
936 error = bus_get_resource(dev, SYS_RES_MEMORY, 0,
937 &conf_maddr, &conf_msize);
938 if (error)
939 return (error);
940
941 memsize = 16384;
942 if (conf_msize > 1)
943 memsize = conf_msize;
944
945 error = ed_alloc_memory(dev, 0, memsize);
946 if (error)
947 return (error);
948
949 sc->mem_start = (caddr_t) rman_get_virtual(sc->mem_res);
950 sc->mem_size = memsize;
951
952 /* Reset card to force it into a known state. */
953 ed_asic_outb(sc, 0, 0x00);
954 DELAY(100);
955
956 /*
957 * Here we check the card ROM, if the checksum passes, and the
958 * type code and ethernet address check out, then we know we have
959 * an SIC card.
960 */
961 ed_asic_outb(sc, 0, 0x81);
962 DELAY(100);
963
964 sum = sc->mem_start[6];
965 for (i = 0; i < ETHER_ADDR_LEN; i++) {
966 sum ^= (sc->arpcom.ac_enaddr[i] = sc->mem_start[i]);
967 }
968#ifdef ED_DEBUG
969 device_printf(dev, "ed_probe_sic: got address %6D\n",
970 sc->arpcom.ac_enaddr, ":");
971#endif
972 if (sum != 0) {
973 return (ENXIO);
974 }
975 if ((sc->arpcom.ac_enaddr[0] | sc->arpcom.ac_enaddr[1] |
976 sc->arpcom.ac_enaddr[2]) == 0) {
977 return (ENXIO);
978 }
979
980 sc->vendor = ED_VENDOR_SIC;
981 sc->type_str = "SIC";
982 sc->isa16bit = 0;
983 sc->cr_proto = 0;
984
985 /*
986 * SIC RAM page 0x0000-0x3fff(or 0x7fff)
987 */
988 ed_asic_outb(sc, 0, 0x80);
989 DELAY(100);
990
991 /*
992 * Now zero memory and verify that it is clear
993 */
994 bzero(sc->mem_start, sc->mem_size);
995
996 for (i = 0; i < sc->mem_size; i++) {
997 if (sc->mem_start[i]) {
998 device_printf(dev, "failed to clear shared memory "
999 "at %jx - check configuration\n",
1000 (uintmax_t)kvtop(sc->mem_start + i));
1001
1002 return (ENXIO);
1003 }
1004 }
1005
1006 sc->mem_shared = 1;
1007 sc->mem_end = sc->mem_start + sc->mem_size;
1008
1009 /*
1010 * allocate one xmit buffer if < 16k, two buffers otherwise
1011 */
1012 if ((sc->mem_size < 16384) || (flags & ED_FLAGS_NO_MULTI_BUFFERING)) {
1013 sc->txb_cnt = 1;
1014 } else {
1015 sc->txb_cnt = 2;
1016 }
1017 sc->tx_page_start = 0;
1018
1019 sc->rec_page_start = sc->tx_page_start + ED_TXBUF_SIZE * sc->txb_cnt;
1020 sc->rec_page_stop = sc->tx_page_start + sc->mem_size / ED_PAGE_SIZE;
1021
1022 sc->mem_ring = sc->mem_start + sc->txb_cnt * ED_PAGE_SIZE * ED_TXBUF_SIZE;
1023
1024 return (0);
1025}
1026
1027/*
914 * Probe and vendor-specific initialization routine for NE1000/2000 boards
915 */
916int
917ed_probe_Novell_generic(dev, flags)
918 device_t dev;
919 int flags;
920{
921 struct ed_softc *sc = device_get_softc(dev);

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1029 */
1030int
1031ed_probe_Novell_generic(dev, flags)
1032 device_t dev;
1033 int flags;
1034{
1035 struct ed_softc *sc = device_get_softc(dev);

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