diff options
Diffstat (limited to 'sys/dev/isa/if_sm_isa.c')
| -rw-r--r-- | sys/dev/isa/if_sm_isa.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/sys/dev/isa/if_sm_isa.c b/sys/dev/isa/if_sm_isa.c new file mode 100644 index 00000000000..8bd46293d1a --- /dev/null +++ b/sys/dev/isa/if_sm_isa.c @@ -0,0 +1,203 @@ +/* $OpenBSD: if_sm_isa.c,v 1.1 1998/09/26 19:09:15 fgsch Exp $ */ +/* $NetBSD: if_sm_isa.c,v 1.4 1998/07/05 06:49:14 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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. + */ + +#include "bpfilter.h" + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/mbuf.h> +#include <sys/socket.h> +#include <sys/ioctl.h> +#include <sys/errno.h> +#include <sys/syslog.h> +#include <sys/select.h> +#include <sys/device.h> + +#include <net/if.h> +#include <net/if_dl.h> +#ifdef __NetBSD__ +#include <net/if_ether.h> +#endif +#include <net/if_media.h> + +#ifdef INET +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/in_var.h> +#include <netinet/ip.h> +#ifdef __NetBSD__ +#include <netinet/if_inarp.h> +#else +#include <netinet/if_ether.h> +#endif +#endif + +#ifdef NS +#include <netns/ns.h> +#include <netns/ns_if.h> +#endif + +#if NBPFILTER > 0 +#include <net/bpf.h> +#include <net/bpfdesc.h> +#endif + +#include <machine/intr.h> +#include <machine/bus.h> + +#include <dev/ic/smc91cxxreg.h> +#include <dev/ic/smc91cxxvar.h> + +#include <dev/isa/isavar.h> + +int sm_isa_match __P((struct device *, void *, void *)); +void sm_isa_attach __P((struct device *, struct device *, void *)); + +struct sm_isa_softc { + struct smc91cxx_softc sc_smc; /* real "smc" softc */ + + /* ISA-specific goo. */ + void *sc_ih; /* interrupt cookie */ +}; + +struct cfattach sm_isa_ca = { + sizeof(struct sm_isa_softc), sm_isa_match, sm_isa_attach +}; + +int +sm_isa_match(parent, match, aux) + struct device *parent; + void *match, *aux; +{ + struct isa_attach_args *ia = aux; + bus_space_tag_t iot = ia->ia_iot; + bus_space_handle_t ioh; + u_int16_t tmp; + int rv = 0; + extern const char *smc91cxx_idstrs[]; + + /* Disallow wildcarded values. */ + if (ia->ia_irq == -1) + return (0); + if (ia->ia_iobase == -1) + return (0); + + /* Map i/o space. */ + if (bus_space_map(iot, ia->ia_iobase, SMC_IOSIZE, 0, &ioh)) + return (0); + + /* Check that high byte of BANK_SELECT is what we expect. */ + tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W); + if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE) + goto out; + + /* + * Switch to bank 0 and perform the test again. + * XXX INVASIVE! + */ + bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 0); + tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W); + if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE) + goto out; + + /* + * Switch to bank 1 and check the base address register. + * XXX INVASIVE! + */ + bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 1); + tmp = bus_space_read_2(iot, ioh, BASE_ADDR_REG_W); + if (ia->ia_iobase != ((tmp >> 3) & 0x3e0)) + goto out; + + /* + * Check for a recognized chip id. + * XXX INVASIVE! + */ + bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 3); + tmp = bus_space_read_2(iot, ioh, REVISION_REG_W); + if (smc91cxx_idstrs[RR_ID(tmp)] == NULL) + goto out; + + /* + * Assume we have an SMC91Cxx. + */ + ia->ia_iosize = SMC_IOSIZE; + rv = 1; + + out: + bus_space_unmap(iot, ioh, SMC_IOSIZE); + return (rv); +} + +void +sm_isa_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct sm_isa_softc *isc = (struct sm_isa_softc *)self; + struct smc91cxx_softc *sc = &isc->sc_smc; + struct isa_attach_args *ia = aux; + bus_space_tag_t iot = ia->ia_iot; + bus_space_handle_t ioh; + + printf("\n"); + + /* Map i/o space. */ + if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) + panic("sm_isa_attach: can't map i/o space"); + + sc->sc_bst = iot; + sc->sc_bsh = ioh; + + /* should always be enabled */ + sc->sc_enabled = 1; + + /* XXX Should get Ethernet address from EEPROM!! */ + + /* Perform generic intialization. */ + smc91cxx_attach(sc, NULL); + + /* Establish the interrupt handler. */ + isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, + IPL_NET, smc91cxx_intr, sc, sc->sc_dev.dv_xname); + if (isc->sc_ih == NULL) + printf("%s: couldn't establish interrupt handler\n", + sc->sc_dev.dv_xname); +} |