/* $OpenBSD: if_ne_cbus.c,v 1.5 2024/06/01 00:48:16 aoyama Exp $ */ /* $NetBSD: if_ne_isa.c,v 1.6 1998/07/05 06:49:13 jonathan Exp $ */ /*- * Copyright (c) 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Driver for C-bus NE2000 based Ethernet board * based on: OpenBSD:src/sys/dev/isa/if_ne_isa.c */ /* * Supported boards: * - Allied Telesis CentreCOM LA-98 series * Available configuration: * INT(IRQ): 0(3), 1(5), 2(6), 3(9), 4(10), 5(12), 6(13) (default: INT0) * I/O address: 0xc8d0, 0xc2d0, 0xc4d0, 0xc460, 0xc9d0, 0xcad0, 0xcbd0 * (default 0xc8d0) */ #include "bpfilter.h" #include #include #include #include #include #include #include #include #include #include #include #include #if NBPFILTER > 0 #include #endif #include /* PC_BASE */ #include #include #include #include #include #include #include #include #include /* bus space tag for if_ne_cbus */ struct luna88k_bus_space_tag ne_cbus_io_bst = { .bs_stride_1 = 0, .bs_stride_2 = 0, .bs_stride_4 = 0, .bs_stride_8 = 0, /* not used */ .bs_offset = PCEXIO_BASE, .bs_flags = TAG_LITTLE_ENDIAN }; int ne_cbus_match(struct device *, void *, void *); void ne_cbus_attach(struct device *, struct device *, void *); struct ne_cbus_softc { struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ /* C-bus specific goo. */ void *sc_ih; /* interrupt cookie */ }; const struct cfattach ne_cbus_ca = { sizeof(struct ne_cbus_softc), ne_cbus_match, ne_cbus_attach }; int ne_cbus_match(struct device *parent, void *match, void *aux) { struct ne_cbus_softc *csc = match; struct ne2000_softc *nsc = &csc->sc_ne2000; struct dp8390_softc *dsc = &nsc->sc_dp8390; struct cbus_attach_args *caa = aux; bus_space_tag_t nict = &ne_cbus_io_bst; bus_space_handle_t nich; bus_space_tag_t asict; bus_space_handle_t asich; struct cfdata *cf = match; if (strcmp(caa->ca_name, cf->cf_driver->cd_name) != 0) return (0); SET_TAG_LITTLE_ENDIAN(nict); caa->ca_iobase = cf->cf_iobase; caa->ca_int = cf->cf_int; /* Disallow wildcarded values. */ if (caa->ca_int == -1) return (0); if (caa->ca_iobase == -1) return (0); #if 0 /* XXX: Is this not true on PC-9801? */ /* Make sure this is a valid NE[12]000 i/o address. */ if ((caa->ca_iobase & 0x1f) != 0) return (0); #endif /* Map i/o space. */ if (bus_space_map(nict, caa->ca_iobase, NE2000_NPORTS, 0, &nich)) return (0); asict = nict; if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE2000_ASIC_NPORTS, &asich)) goto out; dsc->sc_regt = nict; dsc->sc_regh = nich; nsc->sc_asict = asict; nsc->sc_asich = asich; /* Look for an NE2000-compatible card. */ nsc->sc_type = ne2000_detect(nsc); if (nsc->sc_type) caa->ca_iosize = NE2000_NPORTS; out: bus_space_unmap(nict, nich, NE2000_NPORTS); return (nsc->sc_type); } void ne_cbus_attach(struct device *parent, struct device *self, void *aux) { struct ne_cbus_softc *csc = (void *)self; struct ne2000_softc *nsc = &csc->sc_ne2000; struct dp8390_softc *dsc = &nsc->sc_dp8390; struct cbus_attach_args *caa = aux; bus_space_tag_t nict = &ne_cbus_io_bst; bus_space_handle_t nich; bus_space_tag_t asict = nict; bus_space_handle_t asich; const char *typestr; /* Map i/o space. */ if (bus_space_map(nict, caa->ca_iobase, NE2000_NPORTS, 0, &nich)) { printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); return; } if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE2000_ASIC_NPORTS, &asich)) { printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); return; } dsc->sc_regt = nict; dsc->sc_regh = nich; nsc->sc_asict = asict; nsc->sc_asich = asich; /* Look for an NE2000-compatible card. */ nsc->sc_type = ne2000_detect(nsc); switch (nsc->sc_type) { case NE2000_TYPE_NE1000: typestr = "NE1000"; break; case NE2000_TYPE_NE2000: typestr = "NE2000"; /* * Check for a Realtek 8019. */ bus_space_write_1(nict, nich, ED_P0_CR, ED_CR_PAGE_0 | ED_CR_STP); if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) == RTL0_8019ID0 && bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) == RTL0_8019ID1) { typestr = "NE2000 (RTL8019)"; dsc->sc_mediachange = rtl80x9_mediachange; dsc->sc_mediastatus = rtl80x9_mediastatus; dsc->init_card = rtl80x9_init_card; dsc->sc_media_init = rtl80x9_media_init; } break; default: printf(": where did the card go?!\n"); return; } printf(", %s", typestr); /* This interface is always enabled. */ dsc->sc_enabled = 1; /* * Do generic NE2000 attach. This will read the station address * from the EEPROM. */ ne2000_attach(nsc, NULL); /* Establish the interrupt handler. */ if (cbus_isrlink(dp8390_intr, dsc, caa->ca_int, IPL_NET, dsc->sc_dev.dv_xname) != 0) printf(": couldn't establish interrupt handler\n"); }