/* $NetBSD: if_sm_gxio.c,v 1.11 2012/10/27 17:17:47 chs Exp $ */ /* * Copyright (C) 2005, 2006 WIDE Project and SOUM Corporation. * All rights reserved. * * Written by Takashi Kiyohara and Susumu Miki for WIDE Project and SOUM * Corporation. * * 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. Neither the name of the project nor the name of SOUM Corporation * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT and SOUM CORPORATION ``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 PROJECT AND SOUM CORPORATION * 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. */ /*- * 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. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: if_sm_gxio.c,v 1.11 2012/10/27 17:17:47 chs Exp $"); #include <sys/param.h> #include <sys/device.h> #include <sys/errno.h> #include <sys/systm.h> #include <sys/mbuf.h> #include <sys/socket.h> #include <sys/ioctl.h> #include <sys/syslog.h> #include <sys/select.h> #include <net/if.h> #include <net/if_dl.h> #include <net/if_ether.h> #include <net/if_media.h> #include <machine/intr.h> #include <sys/bus.h> #include <dev/mii/mii.h> #include <dev/mii/miivar.h> #include <dev/ic/smc91cxxreg.h> #include <dev/ic/smc91cxxvar.h> #include <evbarm/gumstix/gumstixvar.h> #include "locators.h" static int sm_gxio_match(device_t, struct cfdata *, void *); static void sm_gxio_attach(device_t, device_t, void *); static int ether_serial_digit = 1; struct sm_gxio_softc { struct smc91cxx_softc sc_smc; void *sc_ih; }; CFATTACH_DECL_NEW(sm_gxio, sizeof(struct sm_gxio_softc), sm_gxio_match, sm_gxio_attach, NULL, NULL); /* ARGSUSED */ static int sm_gxio_match(device_t parent, struct cfdata *match, void *aux) { struct gxio_attach_args *gxa = aux; bus_space_tag_t iot = gxa->gxa_iot; bus_space_handle_t ioh; uint16_t tmp; int rv = 0; extern const char *smc91cxx_idstrs[]; /* Disallow wildcarded values. */ if (gxa->gxa_addr == GXIOCF_ADDR_DEFAULT) return 0; if (gxa->gxa_gpirq == GXIOCF_GPIRQ_DEFAULT) return 0; if (bus_space_map(iot, gxa->gxa_addr, SMC_IOSIZE, 0, &ioh) != 0) 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; /* * 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; if (ether_serial_digit > 15) goto out; /* * Assume we have an SMC91Cxx. */ rv = 1; out: bus_space_unmap(iot, ioh, SMC_IOSIZE); return rv; } /* ARGSUSED */ static void sm_gxio_attach(device_t parent, device_t self, void *aux) { struct sm_gxio_softc *gsc = device_private(self); struct smc91cxx_softc *sc = &gsc->sc_smc; struct gxio_attach_args *gxa = aux; bus_space_handle_t ioh; uint8_t myea[ETHER_ADDR_LEN]; aprint_normal("\n"); aprint_naive("\n"); KASSERT(system_serial_high != 0 || system_serial_low != 0); /* Map i/o space. */ if (bus_space_map(gxa->gxa_iot, gxa->gxa_addr, SMC_IOSIZE, 0, &ioh)) panic("sm_gxio_attach: can't map i/o space"); sc->sc_dev = self; sc->sc_bst = gxa->gxa_iot; sc->sc_bsh = ioh; /* should always be enabled */ sc->sc_flags |= SMC_FLAGS_ENABLED; myea[0] = ((system_serial_high >> 8) & 0xfe) | 0x02; myea[1] = system_serial_high; myea[2] = system_serial_low >> 24; myea[3] = system_serial_low >> 16; myea[4] = system_serial_low >> 8; myea[5] = (system_serial_low & 0xc0) | (1 << 4) | ((ether_serial_digit++) & 0x0f); smc91cxx_attach(sc, myea); /* Establish the interrupt handler. */ gsc->sc_ih = gxio_intr_establish(gxa->gxa_sc, gxa->gxa_gpirq, IST_EDGE_RISING, IPL_NET, smc91cxx_intr, sc); if (gsc->sc_ih == NULL) aprint_error_dev(self, "couldn't establish interrupt handler\n"); }
