tcbus.c revision 1.20.64.1
1 /* $NetBSD: tcbus.c,v 1.20.64.1 2008/06/23 04:30:37 wrstuden 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by Tohru Nishimura 21 * for the NetBSD Project. 22 * 4. The name of the author may not be used to endorse or promote products 23 * derived from this software without specific prior written permission 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 30 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 38 __KERNEL_RCSID(0, "$NetBSD: tcbus.c,v 1.20.64.1 2008/06/23 04:30:37 wrstuden Exp $"); 39 40 /* 41 * Which system models were configured? 42 */ 43 #include "opt_dec_3max.h" 44 #include "opt_dec_3min.h" 45 #include "opt_dec_maxine.h" 46 #include "opt_dec_3maxplus.h" 47 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 #include <sys/device.h> 51 52 #include <machine/autoconf.h> 53 #include <machine/sysconf.h> 54 55 #define _PMAX_BUS_DMA_PRIVATE 56 #include <machine/bus.h> 57 58 #include <dev/tc/tcvar.h> 59 #include <pmax/pmax/pmaxtype.h> 60 61 static const struct evcnt *tc_ds_intr_evcnt __P((struct device *, void *)); 62 static void tc_ds_intr_establish __P((struct device *, void *, 63 int, int (*)(void *), void *)); 64 static void tc_ds_intr_disestablish __P((struct device *, void *)); 65 static bus_dma_tag_t tc_ds_get_dma_tag __P((int)); 66 67 extern struct tcbus_attach_args kn02_tc_desc[]; /* XXX */ 68 extern struct tcbus_attach_args kmin_tc_desc[]; /* XXX */ 69 extern struct tcbus_attach_args xine_tc_desc[]; /* XXX */ 70 extern struct tcbus_attach_args kn03_tc_desc[]; /* XXX */ 71 72 static int tcbus_match __P((struct device *, struct cfdata *, void *)); 73 static void tcbus_attach __P((struct device *, struct device *, void *)); 74 75 CFATTACH_DECL(tcbus, sizeof(struct tc_softc), 76 tcbus_match, tcbus_attach, NULL, NULL); 77 78 static int tcbus_found; 79 80 static int 81 tcbus_match(parent, cfdata, aux) 82 struct device *parent; 83 struct cfdata *cfdata; 84 void *aux; 85 { 86 struct mainbus_attach_args *ma = aux; 87 88 if (tcbus_found || strcmp(ma->ma_name, "tcbus")) 89 return 0; 90 91 return 1; 92 } 93 94 static void 95 tcbus_attach(parent, self, aux) 96 struct device *parent, *self; 97 void *aux; 98 { 99 struct tcbus_attach_args *tba; 100 101 tcbus_found = 1; 102 103 switch (systype) { 104 #ifdef DEC_3MAX 105 case DS_3MAX: 106 tba = &kn02_tc_desc[0]; break; 107 #endif 108 #ifdef DEC_3MIN 109 case DS_3MIN: 110 tba = &kmin_tc_desc[0]; break; 111 #endif 112 #ifdef DEC_MAXINE 113 case DS_MAXINE: 114 tba = &xine_tc_desc[0]; break; 115 #endif 116 #ifdef DEC_3MAXPLUS 117 case DS_3MAXPLUS: 118 tba = &kn03_tc_desc[0]; break; 119 #endif 120 default: 121 panic("tcbus_attach: no TURBOchannel configured for systype = %d", systype); 122 } 123 124 tba->tba_busname = "tc"; 125 tba->tba_memt = 0; 126 tba->tba_intr_evcnt = tc_ds_intr_evcnt; 127 tba->tba_intr_establish = tc_ds_intr_establish; 128 tba->tba_intr_disestablish = tc_ds_intr_disestablish; 129 tba->tba_get_dma_tag = tc_ds_get_dma_tag; 130 131 tcattach(parent, self, tba); 132 } 133 134 /* 135 * Dispatch to model specific interrupt line evcnt fetch rontine 136 */ 137 static const struct evcnt * 138 tc_ds_intr_evcnt(dev, cookie) 139 struct device *dev; 140 void *cookie; 141 { 142 143 /* XXX for now, no evcnt parent reported */ 144 return NULL; 145 } 146 147 /* 148 * Dispatch to model specific interrupt establishing routine 149 */ 150 static void 151 tc_ds_intr_establish(dev, cookie, level, handler, val) 152 struct device *dev; 153 void *cookie; 154 int level; 155 int (*handler) __P((void *)); 156 void *val; 157 { 158 159 (*platform.intr_establish)(dev, cookie, level, handler, val); 160 } 161 162 static void 163 tc_ds_intr_disestablish(dev, arg) 164 struct device *dev; 165 void *arg; 166 { 167 168 printf("cannot disestablish TC interrupts\n"); 169 } 170 171 /* 172 * Return the DMA tag for use by the specified TURBOchannel slot. 173 */ 174 static bus_dma_tag_t 175 tc_ds_get_dma_tag(slot) 176 int slot; 177 { 178 /* 179 * All DECstations use the default DMA tag. 180 */ 181 return (&pmax_default_bus_dma_tag); 182 } 183 184 #include "wsdisplay.h" 185 186 #if NWSDISPLAY > 0 187 188 #include "sfb.h" 189 /* #include "sfbp.h" */ 190 #include "cfb.h" 191 #include "mfb.h" 192 #include "tfb.h" 193 #include "xcfb.h" 194 #include "px.h" 195 #include "pxg.h" 196 197 #include <pmax/pmax/cons.h> 198 #include <machine/dec_prom.h> 199 200 int tc_checkslot __P((tc_addr_t, char *)); 201 202 struct cnboards { 203 const char *cb_tcname; 204 void (*cb_cnattach)(tc_addr_t); 205 } static const cnboards[] = { 206 #if NXCFB > 0 207 { "PMAG-DV ", xcfb_cnattach }, 208 #endif 209 #if NSFB > 0 210 { "PMAGB-BA", sfb_cnattach }, 211 #endif 212 #if NSFBP > 0 213 { "PMAGD ", sfbp_cnattach }, 214 #endif 215 #if NCFB > 0 216 { "PMAG-BA ", cfb_cnattach }, 217 #endif 218 #if NMFB > 0 219 { "PMAG-AA ", mfb_cnattach }, 220 #endif 221 #if NTFB > 0 222 { "PMAG-JA ", tfb_cnattach }, 223 #endif 224 #if NPX > 0 225 { "PMAG-CA ", px_cnattach }, 226 #endif 227 #if NPXG > 0 228 { "PMAG-DA ", pxg_cnattach }, 229 { "PMAG-FA ", pxg_cnattach }, 230 { "PMAG-FB ", pxg_cnattach }, 231 { "PMAGB-FA", pxg_cnattach }, 232 { "PMAGB-FB", pxg_cnattach }, 233 #endif 234 }; 235 236 int 237 tcfb_cnattach(slotno) 238 int slotno; 239 { 240 paddr_t tcaddr; 241 char tcname[TC_ROM_LLEN]; 242 int i; 243 244 tcaddr = (*callv->_slot_address)(slotno); 245 if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0) 246 panic("TC console designated by PROM does not exist!?"); 247 248 for (i = 0; i < sizeof(cnboards) / sizeof(cnboards[0]); i++) 249 if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0) 250 break; 251 252 if (i == sizeof(cnboards) / sizeof(cnboards[0])) 253 return (0); 254 255 (cnboards[i].cb_cnattach)((tc_addr_t)TC_PHYS_TO_UNCACHED(tcaddr)); 256 return (1); 257 } 258 259 #endif /* NWSDISPLAY */ 260
Indexes created Mon Oct 20 20:10:13 GMT 2025