1 /* $OpenBSD: if_ti_sbus.c,v 1.4 2015/11/24 17:11:40 mpi Exp $ */ 2 /* 3 * Copyright (c) 2009 Mark Kettenis 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <sys/param.h> 19 #include <sys/device.h> 20 #include <sys/socket.h> 21 #include <sys/systm.h> 22 23 #include <net/if.h> 24 #include <net/if_media.h> 25 26 #include <netinet/in.h> 27 #include <netinet/if_ether.h> 28 29 #include <machine/bus.h> 30 #include <machine/intr.h> 31 #include <machine/autoconf.h> 32 33 #include <dev/sbus/sbusvar.h> 34 35 #include <dev/pci/pcireg.h> 36 37 #include <dev/ic/tireg.h> 38 #include <dev/ic/tivar.h> 39 40 struct ti_sbus_softc { 41 struct ti_softc tsc_sc; 42 }; 43 44 int ti_sbus_match(struct device *, void *, void *); 45 void ti_sbus_attach(struct device *, struct device *, void *); 46 47 struct cfattach ti_sbus_ca = { 48 sizeof(struct ti_sbus_softc), ti_sbus_match, ti_sbus_attach 49 }; 50 51 int 52 ti_sbus_match(struct device *parent, void *match, void *aux) 53 { 54 struct sbus_attach_args *sa = aux; 55 56 return (strcmp("SUNW,vge", sa->sa_name) == 0); 57 } 58 59 void 60 ti_sbus_attach(struct device *parent, struct device *self, void *aux) 61 { 62 struct sbus_attach_args *sa = aux; 63 struct ti_sbus_softc *tsc = (void *)self; 64 struct ti_softc *sc = &tsc->tsc_sc; 65 bus_space_handle_t ioh; 66 67 /* Pass on the bus tags */ 68 sc->ti_btag = sa->sa_bustag; 69 sc->sc_dmatag = sa->sa_dmatag; 70 71 if (sa->sa_nintr < 1) { 72 printf(": no interrupt\n"); 73 return; 74 } 75 76 if (sa->sa_nreg < 2) { 77 printf(": only %d register sets\n", sa->sa_nreg); 78 return; 79 } 80 81 if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[1].sbr_slot, 82 sa->sa_reg[1].sbr_offset, sa->sa_reg[1].sbr_size, 83 0, 0, &sc->ti_bhandle)) { 84 printf(": can't map registers\n"); 85 return; 86 } 87 88 if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot, 89 sa->sa_reg[0].sbr_offset, sa->sa_reg[0].sbr_size, 90 0, 0, &ioh)) { 91 printf(": can't map registers\n"); 92 goto unmap; 93 } 94 95 bus_intr_establish(sa->sa_bustag, sa->sa_pri, IPL_NET, 0, ti_intr, 96 sc, self->dv_xname); 97 98 bus_space_write_4(sa->sa_bustag, ioh, TI_PCI_CMDSTAT, 0x02000006); 99 bus_space_write_4(sa->sa_bustag, ioh, TI_PCI_BIST, 0xffffffff); 100 bus_space_write_4(sa->sa_bustag, ioh, TI_PCI_LOMEM, 0x00000400); 101 102 bus_space_unmap(sa->sa_bustag, ioh, sa->sa_reg[0].sbr_size); 103 104 sc->ti_sbus = 1; 105 if (ti_attach(sc) == 0) 106 return; 107 108 unmap: 109 bus_space_unmap(sa->sa_bustag, sc->ti_bhandle, 110 sa->sa_reg[1].sbr_size); 111 } 112