tcbus.c revision 1.23
1 /* $NetBSD: tcbus.c,v 1.23 2009/03/14 15:36:12 dsl Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Tohru Nishimura. 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: tcbus.c,v 1.23 2009/03/14 15:36:12 dsl Exp $"); 34 35 /* 36 * Which system models were configured? 37 */ 38 #include "opt_dec_3max.h" 39 #include "opt_dec_3min.h" 40 #include "opt_dec_maxine.h" 41 #include "opt_dec_3maxplus.h" 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 47 #include <machine/autoconf.h> 48 #include <machine/sysconf.h> 49 50 #define _PMAX_BUS_DMA_PRIVATE 51 #include <machine/bus.h> 52 53 #include <dev/tc/tcvar.h> 54 #include <pmax/pmax/pmaxtype.h> 55 56 static const struct evcnt *tc_ds_intr_evcnt(struct device *, void *); 57 static void tc_ds_intr_establish(struct device *, void *, 58 int, int (*)(void *), void *); 59 static void tc_ds_intr_disestablish(struct device *, void *); 60 static bus_dma_tag_t tc_ds_get_dma_tag(int); 61 62 extern struct tcbus_attach_args kn02_tc_desc[]; /* XXX */ 63 extern struct tcbus_attach_args kmin_tc_desc[]; /* XXX */ 64 extern struct tcbus_attach_args xine_tc_desc[]; /* XXX */ 65 extern struct tcbus_attach_args kn03_tc_desc[]; /* XXX */ 66 67 static int tcbus_match(struct device *, struct cfdata *, void *); 68 static void tcbus_attach(struct device *, struct device *, void *); 69 70 CFATTACH_DECL(tcbus, sizeof(struct tc_softc), 71 tcbus_match, tcbus_attach, NULL, NULL); 72 73 static int tcbus_found; 74 75 static int 76 tcbus_match(struct device *parent, struct cfdata *cfdata, void *aux) 77 { 78 struct mainbus_attach_args *ma = aux; 79 80 if (tcbus_found || strcmp(ma->ma_name, "tcbus")) 81 return 0; 82 83 return 1; 84 } 85 86 static void 87 tcbus_attach(parent, self, aux) 88 struct device *parent, *self; 89 void *aux; 90 { 91 struct tcbus_attach_args *tba; 92 93 tcbus_found = 1; 94 95 switch (systype) { 96 #ifdef DEC_3MAX 97 case DS_3MAX: 98 tba = &kn02_tc_desc[0]; break; 99 #endif 100 #ifdef DEC_3MIN 101 case DS_3MIN: 102 tba = &kmin_tc_desc[0]; break; 103 #endif 104 #ifdef DEC_MAXINE 105 case DS_MAXINE: 106 tba = &xine_tc_desc[0]; break; 107 #endif 108 #ifdef DEC_3MAXPLUS 109 case DS_3MAXPLUS: 110 tba = &kn03_tc_desc[0]; break; 111 #endif 112 default: 113 panic("tcbus_attach: no TURBOchannel configured for systype = %d", systype); 114 } 115 116 tba->tba_busname = "tc"; 117 tba->tba_memt = 0; 118 tba->tba_intr_evcnt = tc_ds_intr_evcnt; 119 tba->tba_intr_establish = tc_ds_intr_establish; 120 tba->tba_intr_disestablish = tc_ds_intr_disestablish; 121 tba->tba_get_dma_tag = tc_ds_get_dma_tag; 122 123 tcattach(parent, self, tba); 124 } 125 126 /* 127 * Dispatch to model specific interrupt line evcnt fetch rontine 128 */ 129 static const struct evcnt * 130 tc_ds_intr_evcnt(struct device *dev, void *cookie) 131 { 132 133 /* XXX for now, no evcnt parent reported */ 134 return NULL; 135 } 136 137 /* 138 * Dispatch to model specific interrupt establishing routine 139 */ 140 static void 141 tc_ds_intr_establish(dev, cookie, level, handler, val) 142 struct device *dev; 143 void *cookie; 144 int level; 145 int (*handler)(void *); 146 void *val; 147 { 148 149 (*platform.intr_establish)(dev, cookie, level, handler, val); 150 } 151 152 static void 153 tc_ds_intr_disestablish(struct device *dev, void *arg) 154 { 155 156 printf("cannot disestablish TC interrupts\n"); 157 } 158 159 /* 160 * Return the DMA tag for use by the specified TURBOchannel slot. 161 */ 162 static bus_dma_tag_t 163 tc_ds_get_dma_tag(int slot) 164 { 165 /* 166 * All DECstations use the default DMA tag. 167 */ 168 return (&pmax_default_bus_dma_tag); 169 } 170 171 #include "wsdisplay.h" 172 173 #if NWSDISPLAY > 0 174 175 #include "sfb.h" 176 /* #include "sfbp.h" */ 177 #include "cfb.h" 178 #include "mfb.h" 179 #include "tfb.h" 180 #include "xcfb.h" 181 #include "px.h" 182 #include "pxg.h" 183 184 #include <pmax/pmax/cons.h> 185 #include <machine/dec_prom.h> 186 187 int tc_checkslot(tc_addr_t, char *); 188 189 struct cnboards { 190 const char *cb_tcname; 191 void (*cb_cnattach)(tc_addr_t); 192 } static const cnboards[] = { 193 #if NXCFB > 0 194 { "PMAG-DV ", xcfb_cnattach }, 195 #endif 196 #if NSFB > 0 197 { "PMAGB-BA", sfb_cnattach }, 198 #endif 199 #if NSFBP > 0 200 { "PMAGD ", sfbp_cnattach }, 201 #endif 202 #if NCFB > 0 203 { "PMAG-BA ", cfb_cnattach }, 204 #endif 205 #if NMFB > 0 206 { "PMAG-AA ", mfb_cnattach }, 207 #endif 208 #if NTFB > 0 209 { "PMAG-JA ", tfb_cnattach }, 210 #endif 211 #if NPX > 0 212 { "PMAG-CA ", px_cnattach }, 213 #endif 214 #if NPXG > 0 215 { "PMAG-DA ", pxg_cnattach }, 216 { "PMAG-FA ", pxg_cnattach }, 217 { "PMAG-FB ", pxg_cnattach }, 218 { "PMAGB-FA", pxg_cnattach }, 219 { "PMAGB-FB", pxg_cnattach }, 220 #endif 221 }; 222 223 int 224 tcfb_cnattach(int slotno) 225 { 226 paddr_t tcaddr; 227 char tcname[TC_ROM_LLEN]; 228 int i; 229 230 tcaddr = (*callv->_slot_address)(slotno); 231 if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0) 232 panic("TC console designated by PROM does not exist!?"); 233 234 for (i = 0; i < sizeof(cnboards) / sizeof(cnboards[0]); i++) 235 if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0) 236 break; 237 238 if (i == sizeof(cnboards) / sizeof(cnboards[0])) 239 return (0); 240 241 (cnboards[i].cb_cnattach)((tc_addr_t)TC_PHYS_TO_UNCACHED(tcaddr)); 242 return (1); 243 } 244 245 #endif /* NWSDISPLAY */ 246
Indexes created Tue Sep 30 20:09:53 GMT 2025