amdpcib_hpet.c revision 1.1.10.2
1 1.1.10.2 bouyer /* $NetBSD: amdpcib_hpet.c,v 1.1.10.2 2007/11/13 16:00:19 bouyer Exp $ */ 2 1.1.10.2 bouyer 3 1.1.10.2 bouyer /* 4 1.1.10.2 bouyer * Copyright (c) 2006 Nicolas Joly 5 1.1.10.2 bouyer * All rights reserved. 6 1.1.10.2 bouyer * 7 1.1.10.2 bouyer * Redistribution and use in source and binary forms, with or without 8 1.1.10.2 bouyer * modification, are permitted provided that the following conditions 9 1.1.10.2 bouyer * are met: 10 1.1.10.2 bouyer * 1. Redistributions of source code must retain the above copyright 11 1.1.10.2 bouyer * notice, this list of conditions and the following disclaimer. 12 1.1.10.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.10.2 bouyer * notice, this list of conditions and the following disclaimer in the 14 1.1.10.2 bouyer * documentation and/or other materials provided with the distribution. 15 1.1.10.2 bouyer * 3. The name of the author may not be used to endorse or promote products 16 1.1.10.2 bouyer * derived from this software without specific prior written permission. 17 1.1.10.2 bouyer * 18 1.1.10.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS 19 1.1.10.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 1.1.10.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 1.1.10.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 1.1.10.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 1.1.10.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 1.1.10.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 1.1.10.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 1.1.10.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 1.1.10.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 1.1.10.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 29 1.1.10.2 bouyer */ 30 1.1.10.2 bouyer 31 1.1.10.2 bouyer #include <sys/cdefs.h> 32 1.1.10.2 bouyer __KERNEL_RCSID(0, "$NetBSD: amdpcib_hpet.c,v 1.1.10.2 2007/11/13 16:00:19 bouyer Exp $"); 33 1.1.10.2 bouyer 34 1.1.10.2 bouyer #include <sys/systm.h> 35 1.1.10.2 bouyer #include <sys/device.h> 36 1.1.10.2 bouyer 37 1.1.10.2 bouyer #include <sys/time.h> 38 1.1.10.2 bouyer #include <sys/timetc.h> 39 1.1.10.2 bouyer 40 1.1.10.2 bouyer #include <machine/bus.h> 41 1.1.10.2 bouyer 42 1.1.10.2 bouyer #include <dev/pci/pcivar.h> 43 1.1.10.2 bouyer #include <dev/pci/pcireg.h> 44 1.1.10.2 bouyer #include <dev/pci/pcidevs.h> 45 1.1.10.2 bouyer 46 1.1.10.2 bouyer #include <dev/ic/hpetvar.h> 47 1.1.10.2 bouyer 48 1.1.10.2 bouyer 49 1.1.10.2 bouyer static int amdpcib_hpet_match(struct device *, struct cfdata *, void *); 50 1.1.10.2 bouyer static void amdpcib_hpet_attach(struct device *, struct device *, void *); 51 1.1.10.2 bouyer 52 1.1.10.2 bouyer CFATTACH_DECL(amdpcib_hpet, sizeof(struct hpet_softc), amdpcib_hpet_match, 53 1.1.10.2 bouyer amdpcib_hpet_attach, NULL, NULL); 54 1.1.10.2 bouyer 55 1.1.10.2 bouyer static int 56 1.1.10.2 bouyer amdpcib_hpet_match(struct device *parent, struct cfdata *match, void *aux) 57 1.1.10.2 bouyer { 58 1.1.10.2 bouyer return 1; 59 1.1.10.2 bouyer } 60 1.1.10.2 bouyer 61 1.1.10.2 bouyer static void 62 1.1.10.2 bouyer amdpcib_hpet_attach(struct device *parent, struct device *self, void *aux) 63 1.1.10.2 bouyer { 64 1.1.10.2 bouyer struct hpet_softc *sc; 65 1.1.10.2 bouyer struct pci_attach_args *pa; 66 1.1.10.2 bouyer pcireg_t conf, addr; 67 1.1.10.2 bouyer 68 1.1.10.2 bouyer sc = (struct hpet_softc *)self; 69 1.1.10.2 bouyer pa = (struct pci_attach_args *)aux; 70 1.1.10.2 bouyer 71 1.1.10.2 bouyer aprint_naive("\n"); 72 1.1.10.2 bouyer aprint_normal(": HPET timer\n"); 73 1.1.10.2 bouyer 74 1.1.10.2 bouyer conf = pci_conf_read(pa->pa_pc, pa->pa_tag, 0xa0); 75 1.1.10.2 bouyer if ((conf & 1) == 0) { 76 1.1.10.2 bouyer printf("%s: HPET timer is disabled\n", sc->sc_dev.dv_xname); 77 1.1.10.2 bouyer return; 78 1.1.10.2 bouyer } 79 1.1.10.2 bouyer 80 1.1.10.2 bouyer sc->sc_memt = pa->pa_memt; 81 1.1.10.2 bouyer 82 1.1.10.2 bouyer addr = conf & 0xfffffc00; 83 1.1.10.2 bouyer if (bus_space_map(sc->sc_memt, addr, 1024, 0, 84 1.1.10.2 bouyer &sc->sc_memh)) { 85 1.1.10.2 bouyer printf("%s: failed to map mem\n", sc->sc_dev.dv_xname); 86 1.1.10.2 bouyer return; 87 1.1.10.2 bouyer } 88 1.1.10.2 bouyer 89 1.1.10.2 bouyer #ifdef __HAVE_TIMECOUNTER 90 1.1.10.2 bouyer hpet_attach_subr(sc); 91 1.1.10.2 bouyer #endif 92 1.1.10.2 bouyer } 93
Indexes created Thu Oct 23 22:10:10 GMT 2025