/* $NetBSD: if_sm_obio.c,v 1.7 2018/02/08 09:05:17 dholland Exp $ */ /* * Copyright (c) 2002, 2003 Genetec Corporation. All rights reserved. * Written by Hiroyuki Bessho for Genetec 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. The name of Genetec Corporation may not be used to endorse or * promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY GENETEC 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 GENETEC 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. * * attach sm driver to Lubbock on-board bus * based on sys/dev/isa/if_sm_isa.c * */ /*- * 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_obio.c,v 1.7 2018/02/08 09:05:17 dholland Exp $"); #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> #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/lubbock/lubbock_var.h> #include "opt_lubbock.h" /* LUBBOCK_SMC91C96_16BIT */ int sm_obio_match(device_t, cfdata_t, void *); void sm_obio_attach(device_t, device_t, void *); struct sm_obio_softc { struct smc91cxx_softc sc_smc; /* real "smc" softc */ /* OBIO-specific goo. */ void *sc_ih; /* interrupt handler */ }; CFATTACH_DECL_NEW(sm_obio, sizeof(struct sm_obio_softc), sm_obio_match, sm_obio_attach, NULL, NULL); extern struct bus_space smobio8_bs_tag; #ifndef SM_OBIO_INTR_PARANOIA # define smintr smc91cxx_intr #else # define smintr smc_obio_intr static int smc_obio_intr(void *arg) { while (smc91cxx_intr(arg)) ; return 1; } #endif /* SM_OBIO_INTR_PARANOIA */ int sm_obio_match(device_t parent, cfdata_t match, void *aux) { struct obio_attach_args *oba = aux; bus_space_tag_t iot = &smobio8_bs_tag; bus_space_handle_t ioh; uint16_t tmp; int rv = 0; extern const char *smc91cxx_idstrs[]; /* Map i/o space. */ if (bus_space_map(iot, oba->oba_addr, 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_1(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_1(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. */ rv = 1; out: bus_space_unmap(iot, ioh, SMC_IOSIZE); if (!rv) { printf("on-board SMC probe failed\n"); } return (rv); } void sm_obio_attach(device_t parent, device_t self, void *aux) { struct sm_obio_softc *isc = device_private(self); struct smc91cxx_softc *sc = &isc->sc_smc; struct obio_attach_args *oba = aux; bus_space_handle_t ioh; #ifdef LUBBOCK_SMC91C96_16BIT bus_space_tag_t iot = &pxa2x0_a4x_bs_tag; #else bus_space_tag_t iot = &smobio8_bs_tag; #endif printf("\n"); /* Map i/o space. */ if (bus_space_map(iot, oba->oba_addr, SMC_IOSIZE, 0, &ioh)) panic("sm_obio_attach: can't map i/o space"); #ifdef LUBBOCK_SMC91C96_16BIT /* RedBoot initializes on-board SMSC91C96 in 8-bit mode. we take it back to 16-bit by clearing ECSR.IOIs8 */ { int tmp; bus_space_write_1(&smobio8_bs_tag, ioh, BANK_SELECT_REG_W, 4); tmp = bus_space_read_1(&smobio8_bs_tag, ioh, ECSR_REG_B); bus_space_write_1(&smobio8_bs_tag, ioh, ECSR_REG_B, tmp & ~ECSR_IOIS8); } obio16_write(LUBBOCK_MISCWR, obio16_read(LUBBOCK_MISCWR) & ~MISCWR_ENETEN16 ); #else /* Force 8bit mode */ obio16_write(LUBBOCK_MISCWR, obio16_read(LUBBOCK_MISCWR) | MISCWR_ENETEN16); #endif /* LUBBOCK_SMC91C96_16BIT */ sc->sc_dev = self; sc->sc_bst = iot; sc->sc_bsh = ioh; /* should always be enabled */ sc->sc_flags |= SMC_FLAGS_ENABLED; /* Perform generic initialization. */ smc91cxx_attach(sc, NULL); /* Establish the interrupt handler. */ isc->sc_ih = obio_intr_establish(device_private(parent), oba->oba_intr, IPL_NET, smintr, sc); if (isc->sc_ih == NULL) aprint_normal_dev(self, "couldn't establish interrupt handler\n"); }
