1 /* 2 ** asm/setup.h -- Definition of the Linux/m68k setup information 3 ** 4 ** Copyright 1992 by Greg Harp 5 ** 6 ** This file is subject to the terms and conditions of the GNU General Public 7 ** License. See the file COPYING in the main directory of this archive 8 ** for more details. 9 ** 10 ** Created 09/29/92 by Greg Harp 11 ** 12 ** 5/2/94 Roman Hodek: 13 ** Added bi_atari part of the machine dependent union bi_un; for now it 14 ** contains just a model field to distinguish between TT and Falcon. 15 ** 26/7/96 Roman Zippel: 16 ** Renamed to setup.h; added some useful macros to allow gcc some 17 ** optimizations if possible. 18 ** 5/10/96 Geert Uytterhoeven: 19 ** Redesign of the boot information structure; moved boot information 20 ** structure to bootinfo.h 21 */ 22 23 #ifndef _M68K_SETUP_H 24 #define _M68K_SETUP_H 25 26 27 28 /* 29 * Linux/m68k Architectures 30 */ 31 32 #define MACH_AMIGA 1 33 #define MACH_ATARI 2 34 #define MACH_MAC 3 35 #define MACH_APOLLO 4 36 #define MACH_SUN3 5 37 #define MACH_MVME147 6 38 #define MACH_MVME16x 7 39 #define MACH_BVME6000 8 40 #define MACH_HP300 9 41 #define MACH_Q40 10 42 #define MACH_SUN3X 11 43 44 #define COMMAND_LINE_SIZE 256 45 46 #ifdef __KERNEL__ 47 48 #define CL_SIZE COMMAND_LINE_SIZE 49 50 #ifndef __ASSEMBLY__ 51 extern unsigned long m68k_machtype; 52 #endif /* !__ASSEMBLY__ */ 53 54 #if !defined(CONFIG_AMIGA) 55 # define MACH_IS_AMIGA (0) 56 #elif defined(CONFIG_ATARI) || defined(CONFIG_MAC) || defined(CONFIG_APOLLO) \ 57 || defined(CONFIG_MVME16x) || defined(CONFIG_BVME6000) \ 58 || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ 59 || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) 60 # define MACH_IS_AMIGA (m68k_machtype == MACH_AMIGA) 61 #else 62 # define MACH_AMIGA_ONLY 63 # define MACH_IS_AMIGA (1) 64 # define MACH_TYPE (MACH_AMIGA) 65 #endif 66 67 #if !defined(CONFIG_ATARI) 68 # define MACH_IS_ATARI (0) 69 #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_APOLLO) \ 70 || defined(CONFIG_MVME16x) || defined(CONFIG_BVME6000) \ 71 || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ 72 || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) 73 # define MACH_IS_ATARI (m68k_machtype == MACH_ATARI) 74 #else 75 # define MACH_ATARI_ONLY 76 # define MACH_IS_ATARI (1) 77 # define MACH_TYPE (MACH_ATARI) 78 #endif 79 80 #if !defined(CONFIG_MAC) 81 # define MACH_IS_MAC (0) 82 #elif defined(CONFIG_AMIGA) || defined(CONFIG_ATARI) || defined(CONFIG_APOLLO) \ 83 || defined(CONFIG_MVME16x) || defined(CONFIG_BVME6000) \ 84 || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ 85 || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) 86 # define MACH_IS_MAC (m68k_machtype == MACH_MAC) 87 #else 88 # define MACH_MAC_ONLY 89 # define MACH_IS_MAC (1) 90 # define MACH_TYPE (MACH_MAC) 91 #endif 92 93 #if defined(CONFIG_SUN3) 94 #define MACH_IS_SUN3 (1) 95 #define MACH_SUN3_ONLY (1) 96 #define MACH_TYPE (MACH_SUN3) 97 #else 98 #define MACH_IS_SUN3 (0) 99 #endif 100 101 #if !defined (CONFIG_APOLLO) 102 # define MACH_IS_APOLLO (0) 103 #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ 104 || defined(CONFIG_MVME16x) || defined(CONFIG_BVME6000) \ 105 || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ 106 || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) 107 # define MACH_IS_APOLLO (m68k_machtype == MACH_APOLLO) 108 #else 109 # define MACH_APOLLO_ONLY 110 # define MACH_IS_APOLLO (1) 111 # define MACH_TYPE (MACH_APOLLO) 112 #endif 113 114 #if !defined (CONFIG_MVME147) 115 # define MACH_IS_MVME147 (0) 116 #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ 117 || defined(CONFIG_APOLLO) || defined(CONFIG_BVME6000) \ 118 || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ 119 || defined(CONFIG_SUN3X) || defined(CONFIG_MVME16x) 120 # define MACH_IS_MVME147 (m68k_machtype == MACH_MVME147) 121 #else 122 # define MACH_MVME147_ONLY 123 # define MACH_IS_MVME147 (1) 124 # define MACH_TYPE (MACH_MVME147) 125 #endif 126 127 #if !defined (CONFIG_MVME16x) 128 # define MACH_IS_MVME16x (0) 129 #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ 130 || defined(CONFIG_APOLLO) || defined(CONFIG_BVME6000) \ 131 || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ 132 || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) 133 # define MACH_IS_MVME16x (m68k_machtype == MACH_MVME16x) 134 #else 135 # define MACH_MVME16x_ONLY 136 # define MACH_IS_MVME16x (1) 137 # define MACH_TYPE (MACH_MVME16x) 138 #endif 139 140 #if !defined (CONFIG_BVME6000) 141 # define MACH_IS_BVME6000 (0) 142 #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ 143 || defined(CONFIG_APOLLO) || defined(CONFIG_MVME16x) \ 144 || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ 145 || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) 146 # define MACH_IS_BVME6000 (m68k_machtype == MACH_BVME6000) 147 #else 148 # define MACH_BVME6000_ONLY 149 # define MACH_IS_BVME6000 (1) 150 # define MACH_TYPE (MACH_BVME6000) 151 #endif 152 153 #if !defined (CONFIG_HP300) 154 # define MACH_IS_HP300 (0) 155 #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ 156 || defined(CONFIG_APOLLO) || defined(CONFIG_MVME16x) \ 157 || defined(CONFIG_BVME6000) || defined(CONFIG_Q40) \ 158 || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) 159 # define MACH_IS_HP300 (m68k_machtype == MACH_HP300) 160 #else 161 # define MACH_HP300_ONLY 162 # define MACH_IS_HP300 (1) 163 # define MACH_TYPE (MACH_HP300) 164 #endif 165 166 #if !defined (CONFIG_Q40) 167 # define MACH_IS_Q40 (0) 168 #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ 169 || defined(CONFIG_APOLLO) || defined(CONFIG_MVME16x) \ 170 || defined(CONFIG_BVME6000) || defined(CONFIG_HP300) \ 171 || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) 172 # define MACH_IS_Q40 (m68k_machtype == MACH_Q40) 173 #else 174 # define MACH_Q40_ONLY 175 # define MACH_IS_Q40 (1) 176 # define MACH_TYPE (MACH_Q40) 177 #endif 178 179 #if !defined (CONFIG_SUN3X) 180 # define MACH_IS_SUN3X (0) 181 #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ 182 || defined(CONFIG_APOLLO) || defined(CONFIG_MVME16x) \ 183 || defined(CONFIG_BVME6000) || defined(CONFIG_HP300) \ 184 || defined(CONFIG_Q40) || defined(CONFIG_MVME147) 185 # define MACH_IS_SUN3X (m68k_machtype == MACH_SUN3X) 186 #else 187 # define CONFIG_SUN3X_ONLY 188 # define MACH_IS_SUN3X (1) 189 # define MACH_TYPE (MACH_SUN3X) 190 #endif 191 192 #ifndef MACH_TYPE 193 # define MACH_TYPE (m68k_machtype) 194 #endif 195 196 #endif /* __KERNEL__ */ 197 198 199 /* 200 * CPU, FPU and MMU types 201 * 202 * Note: we may rely on the following equalities: 203 * 204 * CPU_68020 == MMU_68851 205 * CPU_68030 == MMU_68030 206 * CPU_68040 == FPU_68040 == MMU_68040 207 * CPU_68060 == FPU_68060 == MMU_68060 208 */ 209 210 #define CPUB_68020 0 211 #define CPUB_68030 1 212 #define CPUB_68040 2 213 #define CPUB_68060 3 214 215 #define CPU_68020 (1<<CPUB_68020) 216 #define CPU_68030 (1<<CPUB_68030) 217 #define CPU_68040 (1<<CPUB_68040) 218 #define CPU_68060 (1<<CPUB_68060) 219 220 #define FPUB_68881 0 221 #define FPUB_68882 1 222 #define FPUB_68040 2 /* Internal FPU */ 223 #define FPUB_68060 3 /* Internal FPU */ 224 #define FPUB_SUNFPA 4 /* Sun-3 FPA */ 225 226 #define FPU_68881 (1<<FPUB_68881) 227 #define FPU_68882 (1<<FPUB_68882) 228 #define FPU_68040 (1<<FPUB_68040) 229 #define FPU_68060 (1<<FPUB_68060) 230 #define FPU_SUNFPA (1<<FPUB_SUNFPA) 231 232 #define MMUB_68851 0 233 #define MMUB_68030 1 /* Internal MMU */ 234 #define MMUB_68040 2 /* Internal MMU */ 235 #define MMUB_68060 3 /* Internal MMU */ 236 #define MMUB_APOLLO 4 /* Custom Apollo */ 237 #define MMUB_SUN3 5 /* Custom Sun-3 */ 238 239 #define MMU_68851 (1<<MMUB_68851) 240 #define MMU_68030 (1<<MMUB_68030) 241 #define MMU_68040 (1<<MMUB_68040) 242 #define MMU_68060 (1<<MMUB_68060) 243 #define MMU_SUN3 (1<<MMUB_SUN3) 244 #define MMU_APOLLO (1<<MMUB_APOLLO) 245 246 #ifdef __KERNEL__ 247 248 #ifndef __ASSEMBLY__ 249 extern unsigned long m68k_cputype; 250 extern unsigned long m68k_fputype; 251 extern unsigned long m68k_mmutype; 252 #ifdef CONFIG_VME 253 extern unsigned long vme_brdtype; 254 #endif 255 256 /* 257 * m68k_is040or060 is != 0 for a '040 or higher; 258 * used numbers are 4 for 68040 and 6 for 68060. 259 */ 260 261 extern int m68k_is040or060; 262 #endif /* !__ASSEMBLY__ */ 263 264 #if !defined(CONFIG_M68020) 265 # define CPU_IS_020 (0) 266 # define MMU_IS_851 (0) 267 # define MMU_IS_SUN3 (0) 268 #elif defined(CONFIG_M68030) || defined(CONFIG_M68040) || defined(CONFIG_M68060) 269 # define CPU_IS_020 (m68k_cputype & CPU_68020) 270 # define MMU_IS_851 (m68k_mmutype & MMU_68851) 271 # define MMU_IS_SUN3 (0) /* Sun3 not supported with other CPU enabled */ 272 #else 273 # define CPU_M68020_ONLY 274 # define CPU_IS_020 (1) 275 #ifdef MACH_SUN3_ONLY 276 # define MMU_IS_SUN3 (1) 277 # define MMU_IS_851 (0) 278 #else 279 # define MMU_IS_SUN3 (0) 280 # define MMU_IS_851 (1) 281 #endif 282 #endif 283 284 #if !defined(CONFIG_M68030) 285 # define CPU_IS_030 (0) 286 # define MMU_IS_030 (0) 287 #elif defined(CONFIG_M68020) || defined(CONFIG_M68040) || defined(CONFIG_M68060) 288 # define CPU_IS_030 (m68k_cputype & CPU_68030) 289 # define MMU_IS_030 (m68k_mmutype & MMU_68030) 290 #else 291 # define CPU_M68030_ONLY 292 # define CPU_IS_030 (1) 293 # define MMU_IS_030 (1) 294 #endif 295 296 #if !defined(CONFIG_M68040) 297 # define CPU_IS_040 (0) 298 # define MMU_IS_040 (0) 299 #elif defined(CONFIG_M68020) || defined(CONFIG_M68030) || defined(CONFIG_M68060) 300 # define CPU_IS_040 (m68k_cputype & CPU_68040) 301 # define MMU_IS_040 (m68k_mmutype & MMU_68040) 302 #else 303 # define CPU_M68040_ONLY 304 # define CPU_IS_040 (1) 305 # define MMU_IS_040 (1) 306 #endif 307 308 #if !defined(CONFIG_M68060) 309 # define CPU_IS_060 (0) 310 # define MMU_IS_060 (0) 311 #elif defined(CONFIG_M68020) || defined(CONFIG_M68030) || defined(CONFIG_M68040) 312 # define CPU_IS_060 (m68k_cputype & CPU_68060) 313 # define MMU_IS_060 (m68k_mmutype & MMU_68060) 314 #else 315 # define CPU_M68060_ONLY 316 # define CPU_IS_060 (1) 317 # define MMU_IS_060 (1) 318 #endif 319 320 #if !defined(CONFIG_M68020) && !defined(CONFIG_M68030) 321 # define CPU_IS_020_OR_030 (0) 322 #else 323 # define CPU_M68020_OR_M68030 324 # if defined(CONFIG_M68040) || defined(CONFIG_M68060) 325 # define CPU_IS_020_OR_030 (!m68k_is040or060) 326 # else 327 # define CPU_M68020_OR_M68030_ONLY 328 # define CPU_IS_020_OR_030 (1) 329 # endif 330 #endif 331 332 #if !defined(CONFIG_M68040) && !defined(CONFIG_M68060) 333 # define CPU_IS_040_OR_060 (0) 334 #else 335 # define CPU_M68040_OR_M68060 336 # if defined(CONFIG_M68020) || defined(CONFIG_M68030) 337 # define CPU_IS_040_OR_060 (m68k_is040or060) 338 # else 339 # define CPU_M68040_OR_M68060_ONLY 340 # define CPU_IS_040_OR_060 (1) 341 # endif 342 #endif 343 344 #define CPU_TYPE (m68k_cputype) 345 346 #ifdef CONFIG_M68KFPU_EMU 347 # ifdef CONFIG_M68KFPU_EMU_ONLY 348 # define FPU_IS_EMU (1) 349 # else 350 # define FPU_IS_EMU (!m68k_fputype) 351 # endif 352 #else 353 # define FPU_IS_EMU (0) 354 #endif 355 356 357 /* 358 * Miscellaneous 359 */ 360 361 #define NUM_MEMINFO 4 362 363 #ifndef __ASSEMBLY__ 364 struct mem_info { 365 unsigned long addr; /* physical address of memory chunk */ 366 unsigned long size; /* length of memory chunk (in bytes) */ 367 }; 368 369 extern int m68k_num_memory; /* # of memory blocks found (and used) */ 370 extern int m68k_realnum_memory; /* real # of memory blocks found */ 371 extern struct mem_info m68k_memory[NUM_MEMINFO];/* memory description */ 372 #endif 373 374 #endif /* __KERNEL__ */ 375 376 #endif /* _M68K_SETUP_H */ 377