tcbus.c revision 1.20
1 /* $NetBSD: tcbus.c,v 1.20 2006/07/31 00:19:05 ad Exp $ */ 2 3 /* 4 * Copyright (c) 1999, 2000 Tohru Nishimura. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Tohru Nishimura 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 34 __KERNEL_RCSID(0, "$NetBSD: tcbus.c,v 1.20 2006/07/31 00:19:05 ad Exp $"); 35 36 /* 37 * Which system models were configured? 38 */ 39 #include "opt_dec_3max.h" 40 #include "opt_dec_3min.h" 41 #include "opt_dec_maxine.h" 42 #include "opt_dec_3maxplus.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/device.h> 47 48 #include <machine/autoconf.h> 49 #include <machine/sysconf.h> 50 51 #define _PMAX_BUS_DMA_PRIVATE 52 #include <machine/bus.h> 53 54 #include <dev/tc/tcvar.h> 55 #include <pmax/pmax/pmaxtype.h> 56 57 static const struct evcnt *tc_ds_intr_evcnt __P((struct device *, void *)); 58 static void tc_ds_intr_establish __P((struct device *, void *, 59 int, int (*)(void *), void *)); 60 static void tc_ds_intr_disestablish __P((struct device *, void *)); 61 static bus_dma_tag_t tc_ds_get_dma_tag __P((int)); 62 63 extern struct tcbus_attach_args kn02_tc_desc[]; /* XXX */ 64 extern struct tcbus_attach_args kmin_tc_desc[]; /* XXX */ 65 extern struct tcbus_attach_args xine_tc_desc[]; /* XXX */ 66 extern struct tcbus_attach_args kn03_tc_desc[]; /* XXX */ 67 68 static int tcbus_match __P((struct device *, struct cfdata *, void *)); 69 static void tcbus_attach __P((struct device *, struct device *, void *)); 70 71 CFATTACH_DECL(tcbus, sizeof(struct tc_softc), 72 tcbus_match, tcbus_attach, NULL, NULL); 73 74 static int tcbus_found; 75 76 static int 77 tcbus_match(parent, cfdata, aux) 78 struct device *parent; 79 struct cfdata *cfdata; 80 void *aux; 81 { 82 struct mainbus_attach_args *ma = aux; 83 84 if (tcbus_found || strcmp(ma->ma_name, "tcbus")) 85 return 0; 86 87 return 1; 88 } 89 90 static void 91 tcbus_attach(parent, self, aux) 92 struct device *parent, *self; 93 void *aux; 94 { 95 struct tcbus_attach_args *tba; 96 97 tcbus_found = 1; 98 99 switch (systype) { 100 #ifdef DEC_3MAX 101 case DS_3MAX: 102 tba = &kn02_tc_desc[0]; break; 103 #endif 104 #ifdef DEC_3MIN 105 case DS_3MIN: 106 tba = &kmin_tc_desc[0]; break; 107 #endif 108 #ifdef DEC_MAXINE 109 case DS_MAXINE: 110 tba = &xine_tc_desc[0]; break; 111 #endif 112 #ifdef DEC_3MAXPLUS 113 case DS_3MAXPLUS: 114 tba = &kn03_tc_desc[0]; break; 115 #endif 116 default: 117 panic("tcbus_attach: no TURBOchannel configured for systype = %d", systype); 118 } 119 120 tba->tba_busname = "tc"; 121 tba->tba_memt = 0; 122 tba->tba_intr_evcnt = tc_ds_intr_evcnt; 123 tba->tba_intr_establish = tc_ds_intr_establish; 124 tba->tba_intr_disestablish = tc_ds_intr_disestablish; 125 tba->tba_get_dma_tag = tc_ds_get_dma_tag; 126 127 tcattach(parent, self, tba); 128 } 129 130 /* 131 * Dispatch to model specific interrupt line evcnt fetch rontine 132 */ 133 static const struct evcnt * 134 tc_ds_intr_evcnt(dev, cookie) 135 struct device *dev; 136 void *cookie; 137 { 138 139 /* XXX for now, no evcnt parent reported */ 140 return NULL; 141 } 142 143 /* 144 * Dispatch to model specific interrupt establishing routine 145 */ 146 static void 147 tc_ds_intr_establish(dev, cookie, level, handler, val) 148 struct device *dev; 149 void *cookie; 150 int level; 151 int (*handler) __P((void *)); 152 void *val; 153 { 154 155 (*platform.intr_establish)(dev, cookie, level, handler, val); 156 } 157 158 static void 159 tc_ds_intr_disestablish(dev, arg) 160 struct device *dev; 161 void *arg; 162 { 163 164 printf("cannot disestablish TC interrupts\n"); 165 } 166 167 /* 168 * Return the DMA tag for use by the specified TURBOchannel slot. 169 */ 170 static bus_dma_tag_t 171 tc_ds_get_dma_tag(slot) 172 int slot; 173 { 174 /* 175 * All DECstations use the default DMA tag. 176 */ 177 return (&pmax_default_bus_dma_tag); 178 } 179 180 #include "wsdisplay.h" 181 182 #if NWSDISPLAY > 0 183 184 #include "sfb.h" 185 /* #include "sfbp.h" */ 186 #include "cfb.h" 187 #include "mfb.h" 188 #include "tfb.h" 189 #include "xcfb.h" 190 #include "px.h" 191 #include "pxg.h" 192 193 #include <pmax/pmax/cons.h> 194 #include <machine/dec_prom.h> 195 196 int tc_checkslot __P((tc_addr_t, char *)); 197 198 struct cnboards { 199 const char *cb_tcname; 200 void (*cb_cnattach)(tc_addr_t); 201 } static const cnboards[] = { 202 #if NXCFB > 0 203 { "PMAG-DV ", xcfb_cnattach }, 204 #endif 205 #if NSFB > 0 206 { "PMAGB-BA", sfb_cnattach }, 207 #endif 208 #if NSFBP > 0 209 { "PMAGD ", sfbp_cnattach }, 210 #endif 211 #if NCFB > 0 212 { "PMAG-BA ", cfb_cnattach }, 213 #endif 214 #if NMFB > 0 215 { "PMAG-AA ", mfb_cnattach }, 216 #endif 217 #if NTFB > 0 218 { "PMAG-JA ", tfb_cnattach }, 219 #endif 220 #if NPX > 0 221 { "PMAG-CA ", px_cnattach }, 222 #endif 223 #if NPXG > 0 224 { "PMAG-DA ", pxg_cnattach }, 225 { "PMAG-FA ", pxg_cnattach }, 226 { "PMAG-FB ", pxg_cnattach }, 227 { "PMAGB-FA", pxg_cnattach }, 228 { "PMAGB-FB", pxg_cnattach }, 229 #endif 230 }; 231 232 int 233 tcfb_cnattach(slotno) 234 int slotno; 235 { 236 paddr_t tcaddr; 237 char tcname[TC_ROM_LLEN]; 238 int i; 239 240 tcaddr = (*callv->_slot_address)(slotno); 241 if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0) 242 panic("TC console designated by PROM does not exist!?"); 243 244 for (i = 0; i < sizeof(cnboards) / sizeof(cnboards[0]); i++) 245 if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0) 246 break; 247 248 if (i == sizeof(cnboards) / sizeof(cnboards[0])) 249 return (0); 250 251 (cnboards[i].cb_cnattach)((tc_addr_t)TC_PHYS_TO_UNCACHED(tcaddr)); 252 return (1); 253 } 254 255 #endif /* NWSDISPLAY */ 256
Indexes created Tue Sep 30 20:09:53 GMT 2025