1 /* $NetBSD: spc.c,v 1.35 2008/12/18 05:56:42 isaki 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 * 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 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: spc.c,v 1.35 2008/12/18 05:56:42 isaki Exp $"); 34 35 #include "opt_ddb.h" 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/device.h> 41 42 #include <machine/bus.h> 43 #include <machine/cpu.h> 44 45 #include <dev/scsipi/scsi_all.h> 46 #include <dev/scsipi/scsipi_all.h> 47 #include <dev/scsipi/scsiconf.h> 48 49 #include <arch/x68k/dev/intiovar.h> 50 #include <arch/x68k/dev/scsiromvar.h> 51 #include <arch/x68k/x68k/iodevice.h> 52 53 #include <dev/ic/mb89352var.h> 54 #include <dev/ic/mb89352reg.h> 55 56 static int spc_intio_match(device_t, cfdata_t, void *); 57 static void spc_intio_attach(device_t, device_t, void *); 58 59 CFATTACH_DECL_NEW(spc_intio, sizeof(struct spc_softc), 60 spc_intio_match, spc_intio_attach, NULL, NULL); 61 62 static int 63 spc_intio_match(device_t parent, cfdata_t cf, void *aux) 64 { 65 struct intio_attach_args *ia = aux; 66 bus_space_tag_t iot = ia->ia_bst; 67 bus_space_handle_t ioh; 68 69 ia->ia_size = 0x20; 70 71 if (intio_map_allocate_region(device_parent(parent), ia, 72 INTIO_MAP_TESTONLY) < 0) 73 return 0; 74 75 if (bus_space_map(iot, ia->ia_addr, 0x20, BUS_SPACE_MAP_SHIFTED, 76 &ioh) < 0) 77 return 0; 78 if (badaddr((void *)IIOV(ia->ia_addr + BDID))) 79 return 0; 80 bus_space_unmap(iot, ioh, 0x20); 81 82 return 1; 83 } 84 85 static void 86 spc_intio_attach(device_t parent, device_t self, void *aux) 87 { 88 struct spc_softc *sc = device_private(self); 89 struct intio_attach_args *ia = aux; 90 bus_space_tag_t iot = ia->ia_bst; 91 bus_space_handle_t ioh; 92 93 sc->sc_dev = self; 94 95 intio_map_allocate_region(device_parent(parent), ia, 96 INTIO_MAP_ALLOCATE); 97 if (bus_space_map(iot, ia->ia_addr, 0x20, BUS_SPACE_MAP_SHIFTED, 98 &ioh)) { 99 aprint_error(": can't map i/o space\n"); 100 return; 101 } 102 aprint_normal("\n"); 103 104 sc->sc_iot = iot; 105 sc->sc_ioh = ioh; 106 sc->sc_initiator = IODEVbase->io_sram[0x70] & 0x7; /* XXX */ 107 108 if (intio_intr_establish(ia->ia_intr, "spc", spc_intr, sc)) 109 panic("spcattach: interrupt vector busy"); 110 111 spc_attach(sc); 112 } 113