1 /* $NetBSD: mainbus.c,v 1.10 2001/07/27 18:38:54 scw 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 "vmetwo.h" 44 45 #include <sys/param.h> 46 #include <sys/kernel.h> 47 #include <sys/systm.h> 48 #include <sys/device.h> 49 50 #define _MVME68K_BUS_DMA_PRIVATE 51 #define _MVME68K_BUS_SPACE_PRIVATE 52 #include <machine/bus.h> 53 #undef _MVME68K_BUS_DMA_PRIVATE 54 #undef _MVME68K_BUS_SPACE_PRIVATE 55 #include <machine/cpu.h> 56 57 #include <mvme68k/dev/mainbus.h> 58 59 #if defined(MVME162) || defined(MVME172) || defined(MVME167) || defined(MVME177) 60 #if NVMETWO == 0 61 #include <dev/vme/vmevar.h> 62 #include <mvme68k/dev/mvmebus.h> 63 #include <mvme68k/dev/vme_twovar.h> 64 #endif 65 #endif 66 67 void mainbus_attach __P((struct device *, struct device *, void *)); 68 int mainbus_match __P((struct device *, struct cfdata *, void *)); 69 int mainbus_print __P((void *, const char *)); 70 71 struct cfattach mainbus_ca = { 72 sizeof(struct device), mainbus_match, mainbus_attach 73 }; 74 75 76 struct mainbus_devices { 77 const char *md_name; 78 bus_addr_t md_offset; 79 }; 80 81 #ifdef MVME147 82 static struct mainbus_devices mainbusdevs_147[] = { 83 {"pcc", MAINBUS_PCC_OFFSET}, 84 {NULL, 0} 85 }; 86 #endif 87 88 #if defined(MVME162) || defined(MVME167) || defined(MVME172) || defined(MVME177) 89 static struct mainbus_devices mainbusdevs_1x7[] = { 90 {"pcctwo", MAINBUS_PCCTWO_OFFSET}, 91 {"vmetwo", MAINBUS_VMETWO_OFFSET}, 92 {NULL, 0} 93 }; 94 #endif 95 96 struct mvme68k_bus_dma_tag _mainbus_dma_tag = { 97 NULL, 98 _bus_dmamap_create, 99 _bus_dmamap_destroy, 100 _bus_dmamap_load_direct, 101 _bus_dmamap_load_mbuf_direct, 102 _bus_dmamap_load_uio_direct, 103 _bus_dmamap_load_raw_direct, 104 _bus_dmamap_unload, 105 NULL, /* Set up at run-time */ 106 _bus_dmamem_alloc, 107 _bus_dmamem_free, 108 _bus_dmamem_map, 109 _bus_dmamem_unmap, 110 _bus_dmamem_mmap 111 }; 112 113 struct mvme68k_bus_space_tag _mainbus_space_tag = { 114 NULL, 115 _bus_space_map, 116 _bus_space_unmap, 117 _bus_space_peek_1, 118 _bus_space_peek_2, 119 _bus_space_peek_4, 120 _bus_space_poke_1, 121 _bus_space_poke_2, 122 _bus_space_poke_4 123 }; 124 125 126 /* ARGSUSED */ 127 int 128 mainbus_match(parent, cf, args) 129 struct device *parent; 130 struct cfdata *cf; 131 void *args; 132 { 133 static int mainbus_matched; 134 135 if (mainbus_matched) 136 return (0); 137 138 return ((mainbus_matched = 1)); 139 } 140 141 /* ARGSUSED */ 142 void 143 mainbus_attach(parent, self, args) 144 struct device *parent; 145 struct device *self; 146 void *args; 147 { 148 struct mainbus_attach_args ma; 149 struct mainbus_devices *devices; 150 int i; 151 152 printf("\n"); 153 154 /* 155 * Attach children appropriate for this CPU. 156 */ 157 switch (machineid) { 158 #ifdef MVME147 159 case MVME_147: 160 devices = mainbusdevs_147; 161 _mainbus_dma_tag._dmamap_sync = _bus_dmamap_sync_030; 162 break; 163 #endif 164 165 #if defined(MVME162) || defined(MVME167) || defined(MVME172) || defined(MVME177) 166 case MVME_162: 167 case MVME_167: 168 case MVME_172: 169 case MVME_177: 170 devices = mainbusdevs_1x7; 171 _mainbus_dma_tag._dmamap_sync = _bus_dmamap_sync_0460; 172 break; 173 #endif 174 175 default: 176 panic("mainbus_attach: impossible CPU type"); 177 } 178 179 for (i = 0; devices[i].md_name != NULL; ++i) { 180 ma.ma_name = devices[i].md_name; 181 ma.ma_dmat = &_mainbus_dma_tag; 182 ma.ma_bust = &_mainbus_space_tag; 183 ma.ma_offset = devices[i].md_offset + intiobase_phys; 184 185 (void) config_found(self, &ma, mainbus_print); 186 } 187 188 /* 189 * On mvme162 and up, if the kernel config file had no vmetwo0 190 * device, we have to do some manual initialisation on the 191 * VMEChip2 to get local interrupts working (ABORT switch, 192 * hardware assisted soft interrupts). 193 */ 194 #if defined(MVME162) || defined(MVME172) || defined(MVME167) || defined(MVME177) 195 #if NVMETWO == 0 196 #if defined(MVME147) 197 if (machineid != MVME_147) 198 #endif 199 { 200 (void) vmetwo_probe(&_mainbus_space_tag, 201 intiobase_phys + MAINBUS_VMETWO_OFFSET); 202 } 203 #endif 204 #endif 205 206 /* 207 * Attach the memory controllers on mvme162->mvme177. 208 * Note: These *must* be attached after the PCCChip2/MCChip. 209 * They must also be attached *after* the VMEchip2 has been 210 * initialised (either by the driver, or the vmetwo_probe() 211 * call above). 212 */ 213 #if defined(MVME162) || defined(MVME172) || defined(MVME167) || defined(MVME177) 214 #if defined(MVME147) 215 if (machineid != MVME_147) 216 #endif 217 { 218 ma.ma_name = "memc"; 219 ma.ma_dmat = &_mainbus_dma_tag; 220 ma.ma_bust = &_mainbus_space_tag; 221 ma.ma_offset = MAINBUS_MEMC1_OFFSET + intiobase_phys; 222 (void) config_found(self, &ma, mainbus_print); 223 ma.ma_offset = MAINBUS_MEMC2_OFFSET + intiobase_phys; 224 (void) config_found(self, &ma, mainbus_print); 225 } 226 #endif 227 228 /* 229 * Attach Industry Pack modules on mvme162 and mvme172 230 */ 231 #if defined(MVME162) || defined(MVME172) 232 #if defined(MVME147) || defined(MVME167) || defined(MVME177) 233 if (machineid == MVME_162 || machineid == MVME_172) 234 #endif 235 { 236 ma.ma_name = "ipack"; 237 ma.ma_dmat = &_mainbus_dma_tag; 238 ma.ma_bust = &_mainbus_space_tag; 239 ma.ma_offset = MAINBUS_IPACK_OFFSET + intiobase_phys; 240 (void) config_found(self, &ma, mainbus_print); 241 } 242 #endif 243 } 244 245 int 246 mainbus_print(aux, cp) 247 void *aux; 248 const char *cp; 249 { 250 struct mainbus_attach_args *ma; 251 252 ma = aux; 253 254 if (cp) 255 printf("%s at %s", ma->ma_name, cp); 256 257 printf(" address 0x%lx", ma->ma_offset); 258 259 return (UNCONF); 260 } 261