1/* $NetBSD: vme_two_68k.c,v 1.9 2008/04/28 20:23:29 martin Exp $ */ 2 3/*- 4 * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Steve C. Woodford. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32/* 33 * Front-end for the VMEchip2 found on the MVME-1[67][27] boards. 34 */ 35 36#include <sys/cdefs.h> 37__KERNEL_RCSID(0, "$NetBSD: vme_two_68k.c,v 1.9 2008/04/28 20:23:29 martin Exp $"); 38 39#include "vmetwo.h" 40 41#include <sys/param.h> 42#include <sys/kernel.h> 43#include <sys/systm.h> 44#include <sys/device.h> 45 46#include <machine/cpu.h> 47#include <machine/bus.h> 48 49#include <dev/vme/vmereg.h> 50#include <dev/vme/vmevar.h> 51 52#include <mvme68k/mvme68k/isr.h> 53#include <mvme68k/dev/mainbus.h> 54 55#include <dev/mvme/mvmebus.h> 56#include <dev/mvme/vme_tworeg.h> 57#include <dev/mvme/vme_twovar.h> 58 59#include "ioconf.h" 60 61static void vmetwoisrlink(void *, int (*)(void *), void *, 62 int, int, struct evcnt *); 63static void vmetwoisrunlink(void *, int); 64static struct evcnt *vmetwoisrevcnt(void *, int); 65 66#if NVMETWO > 0 67 68int vmetwo_match(device_t, cfdata_t, void *); 69void vmetwo_attach(device_t, device_t, void *); 70 71CFATTACH_DECL_NEW(vmetwo, sizeof(struct vmetwo_softc), 72 vmetwo_match, vmetwo_attach, NULL, NULL); 73 74 75/* ARGSUSED */ 76int 77vmetwo_match(device_t parent, cfdata_t cf, void *aux) 78{ 79 struct mainbus_attach_args *ma; 80 static int matched = 0; 81 82 ma = aux; 83 84 if (strcmp(ma->ma_name, vmetwo_cd.cd_name)) 85 return 0; 86 87 /* Only one VMEchip2, please. */ 88 if (matched++) 89 return 0; 90 91 /* 92 * Some mvme1[67]2 boards have a `no VMEchip2' build option... 93 */ 94 return vmetwo_probe(ma->ma_bust, ma->ma_offset) ? 1 : 0; 95} 96 97/* ARGSUSED */ 98void 99vmetwo_attach(device_t parent, device_t self, void *aux) 100{ 101 struct mainbus_attach_args *ma; 102 struct vmetwo_softc *sc; 103 104 sc = device_private(self); 105 sc->sc_mvmebus.sc_dev = self; 106 ma = aux; 107 108 /* 109 * Map the local control registers 110 */ 111 bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_LCSR_OFFSET, 112 VME2LCSR_SIZE, 0, &sc->sc_lcrh); 113 114#ifdef notyet 115 /* 116 * Map the global control registers 117 */ 118 bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_GCSR_OFFSET, 119 VME2GCSR_SIZE, 0, &sc->sc_gcrh); 120#endif 121 122 /* Initialise stuff for the common vme_two back-end */ 123 sc->sc_mvmebus.sc_bust = ma->ma_bust; 124 sc->sc_mvmebus.sc_dmat = ma->ma_dmat; 125 126 vmetwo_init(sc); 127} 128 129#endif /* NVMETWO > 0 */ 130 131void 132vmetwo_md_intr_init(struct vmetwo_softc *sc) 133{ 134 135 sc->sc_isrlink = vmetwoisrlink; 136 sc->sc_isrunlink = vmetwoisrunlink; 137 sc->sc_isrevcnt = vmetwoisrevcnt; 138} 139 140/* ARGSUSED */ 141static void 142vmetwoisrlink(void *cookie, int (*fn)(void *), void *arg, int ipl, int vec, 143 struct evcnt *evcnt) 144{ 145 146 isrlink_vectored(fn, arg, ipl, vec, evcnt); 147} 148 149/* ARGSUSED */ 150static void 151vmetwoisrunlink(void *cookie, int vec) 152{ 153 154 isrunlink_vectored(vec); 155} 156 157/* ARGSUSED */ 158static struct evcnt * 159vmetwoisrevcnt(void *cookie, int ipl) 160{ 161 162 return isrlink_evcnt(ipl); 163} 164