1 /* $NetBSD: c_isa.c,v 1.9 2005/11/20 04:38:11 tsutsui Exp $ */ 2 /* $OpenBSD: isabus.c,v 1.15 1998/03/16 09:38:46 pefo Exp $ */ 3 4 /*- 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * William Jolitz and Don Ahn. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)isa.c 7.2 (Berkeley) 5/12/91 36 */ 37 /*- 38 * Copyright (c) 1995 Per Fogelstrom 39 * Copyright (c) 1993, 1994 Charles M. Hannum. 40 * 41 * This code is derived from software contributed to Berkeley by 42 * William Jolitz and Don Ahn. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by the University of 55 * California, Berkeley and its contributors. 56 * 4. Neither the name of the University nor the names of its contributors 57 * may be used to endorse or promote products derived from this software 58 * without specific prior written permission. 59 * 60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70 * SUCH DAMAGE. 71 * 72 * @(#)isa.c 7.2 (Berkeley) 5/12/91 73 */ 74 /* 75 * Mach Operating System 76 * Copyright (c) 1991,1990,1989 Carnegie Mellon University 77 * All Rights Reserved. 78 * 79 * Permission to use, copy, modify and distribute this software and its 80 * documentation is hereby granted, provided that both the copyright 81 * notice and this permission notice appear in all copies of the 82 * software, derivative works or modified versions, and any portions 83 * thereof, and that both notices appear in supporting documentation. 84 * 85 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 86 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 87 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 88 * 89 * Carnegie Mellon requests users of this software to return to 90 * 91 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 92 * School of Computer Science 93 * Carnegie Mellon University 94 * Pittsburgh PA 15213-3890 95 * 96 * any improvements or extensions that they make and grant Carnegie Mellon 97 * the rights to redistribute these changes. 98 */ 99 /* 100 Copyright 1988, 1989 by Intel Corporation, Santa Clara, California. 101 102 All Rights Reserved 103 104 Permission to use, copy, modify, and distribute this software and 105 its documentation for any purpose and without fee is hereby 106 granted, provided that the above copyright notice appears in all 107 copies and that both the copyright notice and this permission notice 108 appear in supporting documentation, and that the name of Intel 109 not be used in advertising or publicity pertaining to distribution 110 of the software without specific, written prior permission. 111 112 INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 113 INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, 114 IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR 115 CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 116 LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, 117 NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 118 WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 119 */ 120 121 /* 122 * for "DESKTECH-ARCStation I" and DESKTECH-TYNE 123 */ 124 125 #include <sys/cdefs.h> 126 __KERNEL_RCSID(0, "$NetBSD: c_isa.c,v 1.9 2005/11/20 04:38:11 tsutsui Exp $"); 127 128 #include <sys/param.h> 129 #include <sys/systm.h> 130 #include <sys/device.h> 131 132 #include <machine/autoconf.h> 133 #include <machine/pio.h> 134 #include <machine/platform.h> 135 136 #include <dev/isa/isareg.h> 137 #include <dev/isa/isavar.h> 138 139 #include <arc/isa/mcclock_isavar.h> 140 #include <arc/isa/timer_isavar.h> 141 #include <arc/isa/isabrvar.h> 142 143 #include "pc.h" 144 #if NPC_ISA > 0 145 #include <arc/isa/pccons_isavar.h> 146 #endif 147 148 #include "vga_isa.h" 149 #if NVGA_ISA > 0 150 #include <dev/ic/mc6845reg.h> 151 #include <dev/ic/pcdisplayvar.h> 152 #include <dev/isa/vga_isavar.h> 153 #endif 154 155 #include "pckbc.h" 156 #if NPCKBC > 0 157 #include <dev/ic/pckbcvar.h> 158 #include <dev/ic/i8042reg.h> 159 #endif 160 161 #include "com.h" 162 #if NCOM > 0 163 #include <sys/termios.h> 164 #include <dev/ic/comreg.h> 165 #include <dev/ic/comvar.h> 166 #endif 167 168 /* 169 * chipset-dependent isa bus configuration 170 */ 171 172 int isabr_dti_intr_status(void); 173 174 struct isabr_config isabr_dti_conf = { 175 isabr_dti_intr_status, 176 }; 177 178 int 179 isabr_dti_intr_status(void) 180 { 181 int isa_vector; 182 char vector; 183 184 isa_outb(IO_ICU1, 0x0f); /* Poll */ 185 vector = isa_inb(IO_ICU1); 186 isa_vector = vector & 7; 187 if (vector > 0 || isa_vector == 2) { 188 isa_outb(IO_ICU2, 0x0f); 189 vector = isa_inb(IO_ICU2); 190 if (vector > 0) { 191 printf("isabr_dti_intr_status: spurious interrupt\n"); 192 return -1; 193 } 194 isa_vector = (vector & 7) | 8; 195 } 196 return isa_vector; 197 } 198 199 /* 200 * common configuration for DTI platforms 201 */ 202 void 203 c_isa_init(void) 204 { 205 206 /* chipset-dependent mcclock configuration */ 207 mcclock_isa_conf = 1; 208 209 /* chipset-dependent timer configuration */ 210 timer_isa_conf = 1; 211 212 /* chipset-dependent isa bus configuration */ 213 isabr_conf = &isabr_dti_conf; 214 } 215 216 /* 217 * console initialization 218 */ 219 void 220 c_isa_cons_init(void) 221 { 222 223 if (!com_console) { 224 #if NVGA_ISA > 0 225 if (vga_isa_cnattach(&arc_bus_io, &arc_bus_mem) == 0) { 226 #if NPCKBC > 0 227 pckbc_cnattach(&arc_bus_io, IO_KBD, KBCMDP, 228 PCKBC_KBD_SLOT); 229 return; 230 #endif 231 } 232 #endif 233 #if NPC_ISA > 0 234 if (pccons_isa_cnattach(&arc_bus_io, &arc_bus_mem) == 0) 235 return; 236 #endif 237 } 238 239 #if NCOM > 0 240 if (com_console_address == 0) 241 com_console_address = IO_COM1; 242 comcnattach(&arc_bus_io, com_console_address, 243 com_console_speed, com_freq, COM_TYPE_NORMAL, com_console_mode); 244 #endif 245 } 246