Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/usb/mos/@/dev/gem/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/usb/mos/@/dev/gem/if_gem_sbus.c |
/*- * Copyright (C) 2001 Eduardo Horvath. * Copyright (c) 2007 Marius Strobl <marius@FreeBSD.org> * All rights reserved. * * * 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 AUTHOR ``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 AUTHOR 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. * * from: NetBSD: if_gem_pci.c,v 1.7 2001/10/18 15:09:15 thorpej Exp */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/gem/if_gem_sbus.c 229093 2011-12-31 14:12:12Z hselasky $"); /* * SBus bindings for Sun GEM Ethernet controllers */ #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/kernel.h> #include <sys/lock.h> #include <sys/module.h> #include <sys/mutex.h> #include <sys/resource.h> #include <sys/rman.h> #include <sys/socket.h> #include <net/ethernet.h> #include <net/if.h> #include <dev/ofw/ofw_bus.h> #include <machine/bus.h> #include <machine/ofw_machdep.h> #include <machine/resource.h> #include <sparc64/sbus/sbusvar.h> #include <dev/gem/if_gemreg.h> #include <dev/gem/if_gemvar.h> #include "miibus_if.h" static device_probe_t gem_sbus_probe; static device_attach_t gem_sbus_attach; static device_detach_t gem_sbus_detach; static device_suspend_t gem_sbus_suspend; static device_resume_t gem_sbus_resume; static device_method_t gem_sbus_methods[] = { /* Device interface */ DEVMETHOD(device_probe, gem_sbus_probe), DEVMETHOD(device_attach, gem_sbus_attach), DEVMETHOD(device_detach, gem_sbus_detach), DEVMETHOD(device_suspend, gem_sbus_suspend), DEVMETHOD(device_resume, gem_sbus_resume), /* Use the suspend handler here, it is all that is required. */ DEVMETHOD(device_shutdown, gem_sbus_suspend), /* MII interface */ DEVMETHOD(miibus_readreg, gem_mii_readreg), DEVMETHOD(miibus_writereg, gem_mii_writereg), DEVMETHOD(miibus_statchg, gem_mii_statchg), DEVMETHOD_END }; static driver_t gem_sbus_driver = { "gem", gem_sbus_methods, sizeof(struct gem_softc) }; DRIVER_MODULE(gem, sbus, gem_sbus_driver, gem_devclass, 0, 0); MODULE_DEPEND(gem, sbus, 1, 1, 1); MODULE_DEPEND(gem, ether, 1, 1, 1); static int gem_sbus_probe(device_t dev) { if (strcmp(ofw_bus_get_name(dev), "network") == 0 && ofw_bus_get_compat(dev) != NULL && strcmp(ofw_bus_get_compat(dev), "SUNW,sbus-gem") == 0) { device_set_desc(dev, "Sun GEM Gigabit Ethernet"); return (0); } return (ENXIO); } static struct resource_spec gem_sbus_res_spec[] = { { SYS_RES_IRQ, 0, RF_SHAREABLE | RF_ACTIVE }, /* GEM_RES_INTR */ { SYS_RES_MEMORY, 1, RF_ACTIVE }, /* GEM_RES_BANK1 */ { SYS_RES_MEMORY, 0, RF_ACTIVE }, /* GEM_RES_BANK2 */ { -1, 0 } }; static int gem_sbus_attach(device_t dev) { struct gem_softc *sc; int burst; uint32_t val; sc = device_get_softc(dev); sc->sc_variant = GEM_SUN_GEM; sc->sc_dev = dev; /* All known SBus models use a SERDES. */ sc->sc_flags = GEM_SERDES; if (bus_alloc_resources(dev, gem_sbus_res_spec, sc->sc_res)) { device_printf(dev, "failed to allocate resources\n"); bus_release_resources(dev, gem_sbus_res_spec, sc->sc_res); return (ENXIO); } GEM_LOCK_INIT(sc, device_get_nameunit(dev)); OF_getetheraddr(dev, sc->sc_enaddr); burst = sbus_get_burstsz(dev); val = GEM_SBUS_CFG_PARITY; if ((burst & SBUS_BURST64_MASK) != 0) { val |= GEM_SBUS_CFG_64BIT; burst >>= SBUS_BURST64_SHIFT; } if ((burst & SBUS_BURST_64) != 0) val |= GEM_SBUS_CFG_BURST_64; else if ((burst & SBUS_BURST_32) != 0) val |= GEM_SBUS_CFG_BURST_32; else { device_printf(dev, "unsupported burst size\n"); goto fail; } /* Reset the SBus interface only. */ (void)GEM_BANK2_READ_4(sc, GEM_SBUS_BIF_RESET); DELAY(100); GEM_BANK2_WRITE_4(sc, GEM_SBUS_CONFIG, val); if (gem_attach(sc) != 0) { device_printf(dev, "could not be attached\n"); goto fail; } if (bus_setup_intr(dev, sc->sc_res[GEM_RES_INTR], INTR_TYPE_NET | INTR_MPSAFE, NULL, gem_intr, sc, &sc->sc_ih) != 0) { device_printf(dev, "failed to set up interrupt\n"); gem_detach(sc); goto fail; } return (0); fail: GEM_LOCK_DESTROY(sc); bus_release_resources(dev, gem_sbus_res_spec, sc->sc_res); return (ENXIO); } static int gem_sbus_detach(device_t dev) { struct gem_softc *sc; sc = device_get_softc(dev); bus_teardown_intr(dev, sc->sc_res[GEM_RES_INTR], sc->sc_ih); gem_detach(sc); GEM_LOCK_DESTROY(sc); bus_release_resources(dev, gem_sbus_res_spec, sc->sc_res); return (0); } static int gem_sbus_suspend(device_t dev) { gem_suspend(device_get_softc(dev)); return (0); } static int gem_sbus_resume(device_t dev) { gem_resume(device_get_softc(dev)); return (0); }