1 /* $NetBSD: spc.c,v 1.33 2008/03/31 15:20:47 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jarle Greipsland, Charles M. Hannum and Masaru Oki. 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: spc.c,v 1.33 2008/03/31 15:20:47 tsutsui Exp $"); 41 42 #include "opt_ddb.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/kernel.h> 47 #include <sys/device.h> 48 49 #include <machine/bus.h> 50 #include <machine/cpu.h> 51 52 #include <dev/scsipi/scsi_all.h> 53 #include <dev/scsipi/scsipi_all.h> 54 #include <dev/scsipi/scsiconf.h> 55 56 #include <arch/x68k/dev/intiovar.h> 57 #include <arch/x68k/dev/scsiromvar.h> 58 #include <arch/x68k/x68k/iodevice.h> 59 60 #include <dev/ic/mb89352var.h> 61 #include <dev/ic/mb89352reg.h> 62 63 static int spc_intio_match(device_t, cfdata_t, void *); 64 static void spc_intio_attach(device_t, device_t, void *); 65 66 CFATTACH_DECL_NEW(spc_intio, sizeof(struct spc_softc), 67 spc_intio_match, spc_intio_attach, NULL, NULL); 68 69 static int 70 spc_intio_match(device_t parent, cfdata_t cf, void *aux) 71 { 72 struct intio_attach_args *ia = aux; 73 bus_space_tag_t iot = ia->ia_bst; 74 bus_space_handle_t ioh; 75 76 ia->ia_size = 0x20; 77 78 if (intio_map_allocate_region(device_parent(parent), ia, 79 INTIO_MAP_TESTONLY) < 0) 80 return 0; 81 82 if (bus_space_map(iot, ia->ia_addr, 0x20, BUS_SPACE_MAP_SHIFTED, 83 &ioh) < 0) 84 return 0; 85 if (badaddr(INTIO_ADDR(ia->ia_addr + BDID))) 86 return 0; 87 bus_space_unmap(iot, ioh, 0x20); 88 89 return 1; 90 } 91 92 static void 93 spc_intio_attach(device_t parent, device_t self, void *aux) 94 { 95 struct spc_softc *sc = device_private(self); 96 struct intio_attach_args *ia = aux; 97 bus_space_tag_t iot = ia->ia_bst; 98 bus_space_handle_t ioh; 99 100 sc->sc_dev = self; 101 102 intio_map_allocate_region(device_parent(parent), ia, 103 INTIO_MAP_ALLOCATE); 104 if (bus_space_map(iot, ia->ia_addr, 0x20, BUS_SPACE_MAP_SHIFTED, 105 &ioh)) { 106 aprint_error(": can't map i/o space\n"); 107 return; 108 } 109 aprint_normal("\n"); 110 111 sc->sc_iot = iot; 112 sc->sc_ioh = ioh; 113 sc->sc_initiator = IODEVbase->io_sram[0x70] & 0x7; /* XXX */ 114 115 if (intio_intr_establish(ia->ia_intr, "spc", spc_intr, sc)) 116 panic("spcattach: interrupt vector busy"); 117 118 spc_attach(sc); 119 } 120