1 1.13 thorpej /* $NetBSD: dma_obio.c,v 1.13 2023/12/20 05:33:18 thorpej Exp $ */ 2 1.1 pk 3 1.1 pk /*- 4 1.1 pk * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 1.1 pk * All rights reserved. 6 1.1 pk * 7 1.1 pk * This code is derived from software contributed to The NetBSD Foundation 8 1.1 pk * by Paul Kranenburg. 9 1.1 pk * 10 1.1 pk * Redistribution and use in source and binary forms, with or without 11 1.1 pk * modification, are permitted provided that the following conditions 12 1.1 pk * are met: 13 1.1 pk * 1. Redistributions of source code must retain the above copyright 14 1.1 pk * notice, this list of conditions and the following disclaimer. 15 1.1 pk * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 pk * notice, this list of conditions and the following disclaimer in the 17 1.1 pk * documentation and/or other materials provided with the distribution. 18 1.1 pk * 19 1.1 pk * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 pk * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 pk * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 pk * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 pk * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 pk * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 pk * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 pk * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 pk * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 pk * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 pk * POSSIBILITY OF SUCH DAMAGE. 30 1.1 pk */ 31 1.8 lukem 32 1.8 lukem #include <sys/cdefs.h> 33 1.13 thorpej __KERNEL_RCSID(0, "$NetBSD: dma_obio.c,v 1.13 2023/12/20 05:33:18 thorpej Exp $"); 34 1.1 pk 35 1.1 pk #include <sys/types.h> 36 1.1 pk #include <sys/param.h> 37 1.1 pk #include <sys/systm.h> 38 1.1 pk #include <sys/kernel.h> 39 1.1 pk #include <sys/errno.h> 40 1.1 pk #include <sys/device.h> 41 1.1 pk 42 1.12 dyoung #include <sys/bus.h> 43 1.1 pk #include <machine/autoconf.h> 44 1.1 pk #include <machine/cpu.h> 45 1.1 pk 46 1.1 pk #include <dev/sbus/sbusvar.h> 47 1.1 pk 48 1.1 pk #include <dev/ic/lsi64854reg.h> 49 1.1 pk #include <dev/ic/lsi64854var.h> 50 1.1 pk 51 1.10 tsutsui int dmamatch_obio(device_t, cfdata_t, void *); 52 1.10 tsutsui void dmaattach_obio(device_t, device_t, void *); 53 1.1 pk 54 1.10 tsutsui CFATTACH_DECL_NEW(dma_obio, sizeof(struct lsi64854_softc), 55 1.7 thorpej dmamatch_obio, dmaattach_obio, NULL, NULL); 56 1.1 pk 57 1.1 pk int 58 1.10 tsutsui dmamatch_obio(device_t parent, cfdata_t cf, void *aux) 59 1.1 pk { 60 1.1 pk union obio_attach_args *uoba = aux; 61 1.1 pk struct obio4_attach_args *oba; 62 1.1 pk 63 1.1 pk if (uoba->uoba_isobio4 == 0) 64 1.10 tsutsui return 0; 65 1.1 pk 66 1.1 pk oba = &uoba->uoba_oba4; 67 1.10 tsutsui return bus_space_probe(oba->oba_bustag, oba->oba_paddr, 68 1.1 pk 4, /* probe size */ 69 1.1 pk 0, /* offset */ 70 1.1 pk 0, /* flags */ 71 1.10 tsutsui NULL, NULL); 72 1.1 pk } 73 1.1 pk 74 1.1 pk 75 1.1 pk void 76 1.10 tsutsui dmaattach_obio(device_t parent, device_t self, void *aux) 77 1.1 pk { 78 1.10 tsutsui struct lsi64854_softc *sc = device_private(self); 79 1.1 pk union obio_attach_args *uoba = aux; 80 1.1 pk struct obio4_attach_args *oba = &uoba->uoba_oba4; 81 1.1 pk 82 1.10 tsutsui sc->sc_dev = self; 83 1.1 pk sc->sc_bustag = oba->oba_bustag; 84 1.1 pk sc->sc_dmatag = oba->oba_dmatag; 85 1.1 pk 86 1.4 pk if (bus_space_map(oba->oba_bustag, oba->oba_paddr, 87 1.9 uwe 4 * sizeof(uint32_t), 88 1.4 pk 0, &sc->sc_regs) != 0) { 89 1.10 tsutsui aprint_error(": cannot map registers\n"); 90 1.1 pk return; 91 1.1 pk } 92 1.1 pk 93 1.3 pk /* Any point in setting `sc_burst' to anything here? */ 94 1.3 pk sc->sc_channel = L64854_CHANNEL_SCSI; 95 1.1 pk lsi64854_attach(sc); 96 1.1 pk } 97
Indexes created Mon Sep 22 13:09:51 GMT 2025