1 /* $NetBSD: dec_1000a.c,v 1.36 2025/03/09 01:06:41 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is based on dec_kn20aa.c, written by Chris G. Demetriou at 8 * Carnegie-Mellon University. Platform support for Noritake, Pintake, and 9 * Corelle by Ross Harvey with copyright assignment by permission of Avalon 10 * Computer Systems, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University. 36 * All rights reserved. 37 * 38 * Author: Chris G. Demetriou 39 * 40 * Permission to use, copy, modify and distribute this software and 41 * its documentation is hereby granted, provided that both the copyright 42 * notice and this permission notice appear in all copies of the 43 * software, derivative works or modified versions, and any portions 44 * thereof, and that both notices appear in supporting documentation. 45 * 46 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 47 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 48 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 49 * 50 * Carnegie Mellon requests users of this software to return to 51 * 52 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 53 * School of Computer Science 54 * Carnegie Mellon University 55 * Pittsburgh PA 15213-3890 56 * 57 * any improvements or extensions that they make and grant Carnegie the 58 * rights to redistribute these changes. 59 */ 60 /* 61 * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center 62 */ 63 64 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 65 66 __KERNEL_RCSID(0, "$NetBSD: dec_1000a.c,v 1.36 2025/03/09 01:06:41 thorpej Exp $"); 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #include <sys/device.h> 71 72 #include <machine/rpb.h> 73 #include <machine/autoconf.h> 74 #include <machine/cpuconf.h> 75 76 #include <dev/pci/pcivar.h> 77 78 #include <alpha/pci/apecsreg.h> 79 #include <alpha/pci/apecsvar.h> 80 #include <alpha/pci/ciareg.h> 81 #include <alpha/pci/ciavar.h> 82 83 void _dec_1000a_init(void); 84 static void dec_1000a_cons_init(void); 85 static void dec_1000a_device_register(device_t, void *); 86 87 static const struct alpha_variation_table dec_1000_variations[] = { 88 { 0, "AlphaServer 1000" }, 89 { 0, NULL }, 90 }; 91 92 static const struct alpha_variation_table dec_1000a_variations[] = { 93 { 0, "AlphaServer 1000A" }, 94 { 0, NULL }, 95 }; 96 97 void 98 _dec_1000a_init(void) 99 { 100 uint64_t variation; 101 102 platform.family = "AlphaServer 1000/1000A"; 103 104 if ((platform.model = alpha_dsr_sysname()) == NULL) { 105 variation = hwrpb->rpb_variation & SV_ST_MASK; 106 if ((platform.model = alpha_variation_name(variation, 107 cputype == ST_DEC_1000 ? dec_1000_variations 108 : dec_1000a_variations)) == NULL) 109 platform.model = alpha_unknown_sysname(); 110 } 111 112 switch(PCS_CPU_MAJORTYPE(LOCATE_PCS(hwrpb, 0))) { 113 case PCS_PROC_EV4: 114 case PCS_PROC_EV45: 115 platform.iobus = "apecs"; 116 break; 117 default: 118 platform.iobus = "cia"; 119 break; 120 } 121 platform.cons_init = dec_1000a_cons_init; 122 platform.device_register = dec_1000a_device_register; 123 } 124 125 static void 126 dec_1000a_cons_init(void) 127 { 128 struct ctb *ctb; 129 struct cia_config *ccp; 130 struct apecs_config *acp; 131 extern struct cia_config cia_configuration; 132 extern struct apecs_config apecs_configuration; 133 bus_space_tag_t iot, memt; 134 struct alpha_pci_chipset *pcichipset; 135 uint64_t saveslot; 136 137 if (strcmp(platform.iobus, "cia") == 0) { 138 ccp = &cia_configuration; 139 cia_init(ccp); 140 iot = &ccp->cc_iot; 141 memt = &ccp->cc_memt; 142 pcichipset = &ccp->cc_pc; 143 } else { 144 acp = &apecs_configuration; 145 apecs_init(acp); 146 iot = &acp->ac_iot; 147 memt = &acp->ac_memt; 148 pcichipset = &acp->ac_pc; 149 } 150 151 ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off); 152 153 saveslot = ctb->ctb_turboslot; 154 155 if (ctb->ctb_term_type == CTB_GRAPHICS && 156 CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) != CTB_TURBOSLOT_TYPE_PCI) { 157 /* 158 * AlphaServer 1000s have a firmware bug whereby the 159 * built-in ISA VGA is reported incorrectly -- ctb_turboslot 160 * is mostly 0. Patch it up to what the common code expects. 161 * We'll restore it at the end in case the firmware is picky. 162 */ 163 ctb->ctb_turboslot = CTB_TURBOSLOT_TYPE_ISA << 16; 164 } 165 166 pci_consinit(pcichipset, iot, memt, iot, memt); 167 168 ctb->ctb_turboslot = saveslot; 169 } 170 171 static void 172 dec_1000a_device_register(device_t dev, void *aux) 173 { 174 pci_find_bootdev(NULL, dev, aux); 175 } 176
Indexes created Fri Sep 26 20:09:58 GMT 2025