1 /* $NetBSD: a1k2cp.c,v 1.3 2012/10/27 17:17:26 chs Exp $ */ 2 3 /*- 4 * Copyright (c) 2012 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Radoslaw Kujawa. 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 /* Driver for A1200 on-board clockport. */ 33 34 #include <sys/cdefs.h> 35 36 #include <sys/systm.h> 37 #include <sys/types.h> 38 #include <sys/device.h> 39 #include <sys/bus.h> 40 #include <sys/conf.h> 41 #include <sys/kmem.h> 42 43 #include <machine/cpu.h> 44 45 #include <amiga/amiga/device.h> 46 47 #include <amiga/dev/zbusvar.h> 48 49 #include <amiga/clockport/clockportvar.h> 50 51 /* #define A1K2CP_DEBUG 1 */ 52 53 #define A1K2CP_BASE 0xD80001 54 55 static int a1k2cp_match(device_t, cfdata_t, void *); 56 static void a1k2cp_attach(device_t, device_t, void *); 57 58 struct a1k2cp_softc { 59 device_t sc_dev; 60 }; 61 62 CFATTACH_DECL_NEW(a1k2cp, sizeof(struct a1k2cp_softc), 63 a1k2cp_match, a1k2cp_attach, NULL, NULL); 64 65 static int 66 a1k2cp_match(device_t parent, cfdata_t cf, void *aux) 67 { 68 69 static int a1k2cp_matched = 0; 70 71 if (!matchname("a1k2cp", aux)) 72 return 0; 73 74 if (a1k2cp_matched) 75 return 0; 76 77 if (!is_a1200()) 78 return 0; 79 80 a1k2cp_matched = 1; 81 return 1; 82 } 83 84 static void 85 a1k2cp_attach(device_t parent, device_t self, void *aux) 86 { 87 struct a1k2cp_softc *sc; 88 struct clockportbus_attach_args a1k2cp_aa; 89 struct bus_space_tag a1k2cp_bst; 90 91 sc = device_private(self); 92 sc->sc_dev = self; 93 94 aprint_normal(": A1200 on-board clockport\n"); 95 96 a1k2cp_bst.base = (bus_addr_t) __UNVOLATILE(ztwomap(A1K2CP_BASE)); 97 a1k2cp_bst.absm = &amiga_bus_stride_4; 98 99 a1k2cp_aa.cp_iot = &a1k2cp_bst; 100 a1k2cp_aa.cp_intr_establish = clockport_generic_intr_establish; 101 102 #ifdef A1K2CP_DEBUG 103 aprint_normal_dev(sc->sc_dev, "pa %x va %p\n", 104 A1K2CP_BASE, (void*) a1k2cp_bst.base); 105 #endif /* A1K2CP_DEBUG */ 106 107 config_found(sc->sc_dev, &a1k2cp_aa, 0); 108 } 109