1 /* $NetBSD: mainbus.c,v 1.18 2005/12/11 12:18:17 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Steve C. Woodford 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 the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Derived from the mainbus code in mvme68k/autoconf.c by Chuck Cranor. 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.18 2005/12/11 12:18:17 christos Exp $"); 45 46 #include "vmetwo.h" 47 48 #include <sys/param.h> 49 #include <sys/kernel.h> 50 #include <sys/systm.h> 51 #include <sys/device.h> 52 53 #define _MVME68K_BUS_DMA_PRIVATE 54 #define _MVME68K_BUS_SPACE_PRIVATE 55 #include <machine/bus.h> 56 #undef _MVME68K_BUS_DMA_PRIVATE 57 #undef _MVME68K_BUS_SPACE_PRIVATE 58 #include <machine/cpu.h> 59 60 #include <mvme68k/dev/mainbus.h> 61 62 #if defined(MVME162) || defined(MVME172) || defined(MVME167) || defined(MVME177) 63 #if NVMETWO == 0 64 #include <dev/vme/vmevar.h> 65 #include <dev/mvme/mvmebus.h> 66 #include <dev/mvme/vme_twovar.h> 67 #endif 68 #endif 69 70 void mainbus_attach __P((struct device *, struct device *, void *)); 71 int mainbus_match __P((struct device *, struct cfdata *, void *)); 72 int mainbus_print __P((void *, const char *)); 73 74 CFATTACH_DECL(mainbus, sizeof(struct device), 75 mainbus_match, mainbus_attach, NULL, NULL); 76 77 78 struct mainbus_devices { 79 const char *md_name; 80 bus_addr_t md_offset; 81 }; 82 83 #ifdef MVME147 84 static struct mainbus_devices mainbusdevs_147[] = { 85 {"pcc", MAINBUS_PCC_OFFSET}, 86 {"timekeeper", MAINBUS_TK147_OFFSET}, 87 {NULL, 0} 88 }; 89 #endif 90 91 #if defined(MVME162) || defined(MVME167) || defined(MVME172) || defined(MVME177) 92 static struct mainbus_devices mainbusdevs_1x7[] = { 93 {"pcctwo", MAINBUS_PCCTWO_OFFSET}, 94 {"vmetwo", MAINBUS_VMETWO_OFFSET}, 95 {"timekeeper", MAINBUS_TIMEKEEPER_OFFSET}, 96 {NULL, 0} 97 }; 98 #endif 99 100 struct mvme68k_bus_dma_tag _mainbus_dma_tag = { 101 NULL, 102 _bus_dmamap_create, 103 _bus_dmamap_destroy, 104 _bus_dmamap_load_direct, 105 _bus_dmamap_load_mbuf_direct, 106 _bus_dmamap_load_uio_direct, 107 _bus_dmamap_load_raw_direct, 108 _bus_dmamap_unload, 109 NULL, /* Set up at run-time */ 110 _bus_dmamem_alloc, 111 _bus_dmamem_free, 112 _bus_dmamem_map, 113 _bus_dmamem_unmap, 114 _bus_dmamem_mmap 115 }; 116 117 struct mvme68k_bus_space_tag _mainbus_space_tag = { 118 NULL, 119 _bus_space_map, 120 _bus_space_unmap, 121 _bus_space_peek_1, 122 _bus_space_peek_2, 123 _bus_space_peek_4, 124 _bus_space_poke_1, 125 _bus_space_poke_2, 126 _bus_space_poke_4 127 }; 128 129 130 /* ARGSUSED */ 131 int 132 mainbus_match(parent, cf, args) 133 struct device *parent; 134 struct cfdata *cf; 135 void *args; 136 { 137 static int mainbus_matched; 138 139 if (mainbus_matched) 140 return (0); 141 142 return ((mainbus_matched = 1)); 143 } 144 145 /* ARGSUSED */ 146 void 147 mainbus_attach(parent, self, args) 148 struct device *parent; 149 struct device *self; 150 void *args; 151 { 152 struct mainbus_attach_args ma; 153 struct mainbus_devices *devices; 154 int i; 155 156 printf("\n"); 157 158 /* 159 * Attach children appropriate for this CPU. 160 */ 161 switch (machineid) { 162 #ifdef MVME147 163 case MVME_147: 164 devices = mainbusdevs_147; 165 _mainbus_dma_tag._dmamap_sync = _bus_dmamap_sync_030; 166 break; 167 #endif 168 169 #if defined(MVME162) || defined(MVME167) || defined(MVME172) || defined(MVME177) 170 case MVME_162: 171 case MVME_167: 172 case MVME_172: 173 case MVME_177: 174 devices = mainbusdevs_1x7; 175 _mainbus_dma_tag._dmamap_sync = _bus_dmamap_sync_0460; 176 break; 177 #endif 178 179 default: 180 panic("mainbus_attach: impossible CPU type"); 181 } 182 183 for (i = 0; devices[i].md_name != NULL; ++i) { 184 /* 185 * On mvme162 and up, if the kernel config file had no vmetwo0 186 * device, we have to do some manual initialisation on the 187 * VMEChip2 to get local interrupts working (ABORT switch, 188 * hardware assisted soft interrupts). 189 */ 190 #if defined(MVME162) || defined(MVME172) || defined(MVME167) || defined(MVME177) 191 #if NVMETWO == 0 192 if (devices[i].md_offset == MAINBUS_VMETWO_OFFSET 193 #if defined(MVME147) 194 && machineid != MVME_147 195 #endif 196 ) { 197 (void) vmetwo_probe(&_mainbus_space_tag, 198 intiobase_phys + MAINBUS_VMETWO_OFFSET); 199 continue; 200 } 201 #endif 202 #endif 203 ma.ma_name = devices[i].md_name; 204 ma.ma_dmat = &_mainbus_dma_tag; 205 ma.ma_bust = &_mainbus_space_tag; 206 ma.ma_offset = devices[i].md_offset + intiobase_phys; 207 208 (void) config_found(self, &ma, mainbus_print); 209 } 210 211 212 /* 213 * Attach the memory controllers on mvme162->mvme177. 214 * Note: These *must* be attached after the PCCChip2/MCChip. 215 * They must also be attached *after* the VMEchip2 has been 216 * initialised (either by the driver, or the vmetwo_probe() 217 * call above). 218 */ 219 #if defined(MVME162) || defined(MVME172) || defined(MVME167) || defined(MVME177) 220 #if defined(MVME147) 221 if (machineid != MVME_147) 222 #endif 223 { 224 ma.ma_name = "memc"; 225 ma.ma_dmat = &_mainbus_dma_tag; 226 ma.ma_bust = &_mainbus_space_tag; 227 ma.ma_offset = MAINBUS_MEMC1_OFFSET + intiobase_phys; 228 (void) config_found(self, &ma, mainbus_print); 229 ma.ma_offset = MAINBUS_MEMC2_OFFSET + intiobase_phys; 230 (void) config_found(self, &ma, mainbus_print); 231 } 232 #endif 233 234 /* 235 * Attach Industry Pack modules on mvme162 and mvme172 236 */ 237 #if defined(MVME162) || defined(MVME172) 238 #if defined(MVME147) || defined(MVME167) || defined(MVME177) 239 if (machineid == MVME_162 || machineid == MVME_172) 240 #endif 241 { 242 ma.ma_name = "ipack"; 243 ma.ma_dmat = &_mainbus_dma_tag; 244 ma.ma_bust = &_mainbus_space_tag; 245 ma.ma_offset = MAINBUS_IPACK_OFFSET + intiobase_phys; 246 (void) config_found(self, &ma, mainbus_print); 247 } 248 #endif 249 } 250 251 int 252 mainbus_print(aux, cp) 253 void *aux; 254 const char *cp; 255 { 256 struct mainbus_attach_args *ma; 257 258 ma = aux; 259 260 if (cp) 261 aprint_normal("%s at %s", ma->ma_name, cp); 262 263 aprint_normal(" address 0x%lx", ma->ma_offset); 264 265 return (UNCONF); 266 } 267