cpuregs.h revision 1.89.2.1
1 /* $NetBSD: cpuregs.h,v 1.89.2.1 2015/06/06 14:40:01 skrll Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Miodrag Vallat. 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /* 20 * Copyright (c) 1992, 1993 21 * The Regents of the University of California. All rights reserved. 22 * 23 * This code is derived from software contributed to Berkeley by 24 * Ralph Campbell and Rick Macklem. 25 * 26 * Redistribution and use in source and binary forms, with or without 27 * modification, are permitted provided that the following conditions 28 * are met: 29 * 1. Redistributions of source code must retain the above copyright 30 * notice, this list of conditions and the following disclaimer. 31 * 2. Redistributions in binary form must reproduce the above copyright 32 * notice, this list of conditions and the following disclaimer in the 33 * documentation and/or other materials provided with the distribution. 34 * 3. Neither the name of the University nor the names of its contributors 35 * may be used to endorse or promote products derived from this software 36 * without specific prior written permission. 37 * 38 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 39 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 41 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 42 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 43 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 44 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 46 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 47 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * 50 * @(#)machConst.h 8.1 (Berkeley) 6/10/93 51 * 52 * machConst.h -- 53 * 54 * Machine dependent constants. 55 * 56 * Copyright (C) 1989 Digital Equipment Corporation. 57 * Permission to use, copy, modify, and distribute this software and 58 * its documentation for any purpose and without fee is hereby granted, 59 * provided that the above copyright notice appears in all copies. 60 * Digital Equipment Corporation makes no representations about the 61 * suitability of this software for any purpose. It is provided "as is" 62 * without express or implied warranty. 63 * 64 * from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machConst.h, 65 * v 9.2 89/10/21 15:55:22 jhh Exp SPRITE (DECWRL) 66 * from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machAddrs.h, 67 * v 1.2 89/08/15 18:28:21 rab Exp SPRITE (DECWRL) 68 * from: Header: /sprite/src/kernel/vm/ds3100.md/RCS/vmPmaxConst.h, 69 * v 9.1 89/09/18 17:33:00 shirriff Exp SPRITE (DECWRL) 70 */ 71 72 #ifndef _MIPS_CPUREGS_H_ 73 #define _MIPS_CPUREGS_H_ 74 75 #include <sys/cdefs.h> /* For __CONCAT() */ 76 77 #if defined(_KERNEL_OPT) 78 #include "opt_cputype.h" 79 #endif 80 81 /* 82 * Address space. 83 * 32-bit mips CPUS partition their 32-bit address space into four segments: 84 * 85 * kuseg 0x00000000 - 0x7fffffff User virtual mem, mapped 86 * kseg0 0x80000000 - 0x9fffffff Physical memory, cached, unmapped 87 * kseg1 0xa0000000 - 0xbfffffff Physical memory, uncached, unmapped 88 * kseg2 0xc0000000 - 0xffffffff kernel-virtual, mapped 89 * 90 * mips1 physical memory is limited to 512Mbytes, which is 91 * doubly mapped in kseg0 (cached) and kseg1 (uncached.) 92 * Caching of mapped addresses is controlled by bits in the TLB entry. 93 */ 94 95 #ifdef _LP64 96 #define MIPS_XUSEG_START (0L << 62) 97 #define MIPS_XUSEG_P(x) (((uint64_t)(x) >> 62) == 0) 98 #define MIPS_USEG_P(x) ((uintptr_t)(x) < 0x80000000L) 99 #define MIPS_XSSEG_START (1L << 62) 100 #define MIPS_XSSEG_P(x) (((uint64_t)(x) >> 62) == 1) 101 #endif 102 103 /* 104 * MIPS addresses are signed and we defining as negative so that 105 * in LP64 kern they get sign-extended correctly. 106 */ 107 #ifndef _LOCORE 108 #define MIPS_KSEG0_START (-0x7fffffffL-1) /* 0x80000000 */ 109 #define MIPS_KSEG1_START -0x60000000L /* 0xa0000000 */ 110 #define MIPS_KSEG2_START -0x40000000L /* 0xc0000000 */ 111 #define MIPS_MAX_MEM_ADDR -0x42000000L /* 0xbe000000 */ 112 #define MIPS_RESERVED_ADDR -0x40380000L /* 0xbfc80000 */ 113 #endif 114 115 #define MIPS_PHYS_MASK 0x1fffffff 116 117 #define MIPS_KSEG0_TO_PHYS(x) ((uintptr_t)(x) & MIPS_PHYS_MASK) 118 #define MIPS_PHYS_TO_KSEG0(x) ((uintptr_t)(x) | (intptr_t)MIPS_KSEG0_START) 119 #define MIPS_KSEG1_TO_PHYS(x) ((uintptr_t)(x) & MIPS_PHYS_MASK) 120 #define MIPS_PHYS_TO_KSEG1(x) ((uintptr_t)(x) | (intptr_t)MIPS_KSEG1_START) 121 122 #define MIPS_KSEG0_P(x) (((intptr_t)(x) & ~MIPS_PHYS_MASK) == MIPS_KSEG0_START) 123 #define MIPS_KSEG1_P(x) (((intptr_t)(x) & ~MIPS_PHYS_MASK) == MIPS_KSEG1_START) 124 #define MIPS_KSEG2_P(x) ((uintptr_t)MIPS_KSEG2_START <= (uintptr_t)(x)) 125 126 /* Map virtual address to index in mips3 r4k virtually-indexed cache */ 127 #define MIPS3_VA_TO_CINDEX(x) \ 128 (((intptr_t)(x) & 0xffffff) | MIPS_KSEG0_START) 129 130 #ifndef _LOCORE 131 #define MIPS_XSEG_MASK (0x3fffffffffffffffLL) 132 #define MIPS_XKSEG_START (0x3ULL << 62) 133 #define MIPS_XKSEG_P(x) (((uint64_t)(x) >> 62) == 3) 134 135 #define MIPS_XKPHYS_START (0x2ULL << 62) 136 #define MIPS_PHYS_TO_XKPHYS_UNCACHED(x) \ 137 (MIPS_XKPHYS_START | ((uint64_t)(CCA_UNCACHED) << 59) | (x)) 138 #define MIPS_PHYS_TO_XKPHYS_ACC(x) \ 139 (MIPS_XKPHYS_START | ((uint64_t)(mips_options.mips3_cca_devmem) << 59) | (x)) 140 #define MIPS_PHYS_TO_XKPHYS_CACHED(x) \ 141 (mips_options.mips3_xkphys_cached | (x)) 142 #define MIPS_PHYS_TO_XKPHYS(cca,x) \ 143 (MIPS_XKPHYS_START | ((uint64_t)(cca) << 59) | (x)) 144 #define MIPS_XKPHYS_TO_PHYS(x) ((uint64_t)(x) & 0x07ffffffffffffffLL) 145 #define MIPS_XKPHYS_TO_CCA(x) (((uint64_t)(x) >> 59) & 7) 146 #define MIPS_XKPHYS_P(x) (((uint64_t)(x) >> 62) == 2) 147 #endif /* _LOCORE */ 148 149 #define CCA_UNCACHED 2 150 #define CCA_CACHEABLE 3 /* cacheable non-coherent */ 151 #define CCA_ACCEL 7 /* non-cached, write combining */ 152 153 /* CPU dependent mtc0 hazard hook */ 154 #if (MIPS32R2 + MIPS64R2) > 0 155 # if (MIPS1 + MIPS3 + MIPS32 + MIPS64) == 0 156 # define COP0_SYNC sll $0,$0,3 /* EHB */ 157 # define JR_HB_RA .set push; .set mips32r2; jr.hb ra; nop; .set pop 158 # else 159 # define COP0_SYNC sll $0,$0,1; sll $0,$0,1; sll $0,$0,3 160 # define JR_HB_RA sll $0,$0,1; sll $0,$0,1; jr ra; sll $0,$0,3 161 # endif 162 #elif (MIPS32 + MIPS64) > 0 163 # define COP0_SYNC sll $0,$0,1; sll $0,$0,1; sll $0,$0,1 164 # define JR_HB_RA sll $0,$0,1; sll $0,$0,1; jr ra; sll $0,$0,1 165 #elif MIPS3 > 0 166 # define COP0_SYNC nop; nop; nop 167 # define JR_HB_RA nop; nop; jr ra; nop 168 #else 169 # define COP0_SYNC nop 170 # define JR_HB_RA jr ra; nop 171 #endif 172 #define COP0_HAZARD_FPUENABLE nop; nop; nop; nop; 173 174 /* 175 * The bits in the cause register. 176 * 177 * Bits common to r3000 and r4000: 178 * 179 * MIPS_CR_BR_DELAY Exception happened in branch delay slot. 180 * MIPS_CR_COP_ERR Coprocessor error. 181 * MIPS_CR_IP Interrupt pending bits defined below. 182 * (same meaning as in CAUSE register). 183 * MIPS_CR_EXC_CODE The exception type (see exception codes below). 184 * 185 * Differences: 186 * r3k has 4 bits of exception type, r4k has 5 bits. 187 */ 188 #define MIPS_CR_BR_DELAY 0x80000000 189 #define MIPS_CR_COP_ERR 0x30000000 190 #define MIPS1_CR_EXC_CODE 0x0000003C /* four bits */ 191 #define MIPS3_CR_EXC_CODE 0x0000007C /* five bits */ 192 #define MIPS_CR_IP 0x0000FF00 193 #define MIPS_CR_EXC_CODE_SHIFT 2 194 195 /* 196 * The bits in the status register. All bits are active when set to 1. 197 * 198 * R3000 status register fields: 199 * MIPS_SR_COP_USABILITY Control the usability of the four coprocessors. 200 * MIPS_SR_TS TLB shutdown. 201 * 202 * MIPS_SR_INT_IE Master (current) interrupt enable bit. 203 * 204 * Differences: 205 * r3k has cache control is via frobbing SR register bits, whereas the 206 * r4k cache control is via explicit instructions. 207 * r3k has a 3-entry stack of kernel/user bits, whereas the 208 * r4k has kernel/supervisor/user. 209 */ 210 #define MIPS_SR_COP_USABILITY 0xf0000000 211 #define MIPS_SR_COP_0_BIT 0x10000000 212 #define MIPS_SR_COP_1_BIT 0x20000000 213 #define MIPS_SR_COP_2_BIT 0x40000000 214 215 /* r4k and r3k differences, see below */ 216 217 #define MIPS_SR_MX 0x01000000 /* MIPS64 */ 218 #define MIPS_SR_PX 0x00800000 /* MIPS64 */ 219 #define MIPS_SR_BEV 0x00400000 /* Use boot exception vector */ 220 #define MIPS_SR_TS 0x00200000 221 222 /* r4k and r3k differences, see below */ 223 224 #define MIPS_SR_INT_IE 0x00000001 225 /*#define MIPS_SR_MBZ 0x0f8000c0*/ /* Never used, true for r3k */ 226 /*#define MIPS_SR_INT_MASK 0x0000ff00*/ 227 228 229 /* 230 * The R2000/R3000-specific status register bit definitions. 231 * all bits are active when set to 1. 232 * 233 * MIPS_SR_PARITY_ERR Parity error. 234 * MIPS_SR_CACHE_MISS Most recent D-cache load resulted in a miss. 235 * MIPS_SR_PARITY_ZERO Zero replaces outgoing parity bits. 236 * MIPS_SR_SWAP_CACHES Swap I-cache and D-cache. 237 * MIPS_SR_ISOL_CACHES Isolate D-cache from main memory. 238 * Interrupt enable bits defined below. 239 * MIPS_SR_KU_OLD Old kernel/user mode bit. 1 => user mode. 240 * MIPS_SR_INT_ENA_OLD Old interrupt enable bit. 241 * MIPS_SR_KU_PREV Previous kernel/user mode bit. 1 => user mode. 242 * MIPS_SR_INT_ENA_PREV Previous interrupt enable bit. 243 * MIPS_SR_KU_CUR Current kernel/user mode bit. 1 => user mode. 244 */ 245 246 #define MIPS1_PARITY_ERR 0x00100000 247 #define MIPS1_CACHE_MISS 0x00080000 248 #define MIPS1_PARITY_ZERO 0x00040000 249 #define MIPS1_SWAP_CACHES 0x00020000 250 #define MIPS1_ISOL_CACHES 0x00010000 251 252 #define MIPS1_SR_KU_OLD 0x00000020 /* 2nd stacked KU/IE*/ 253 #define MIPS1_SR_INT_ENA_OLD 0x00000010 /* 2nd stacked KU/IE*/ 254 #define MIPS1_SR_KU_PREV 0x00000008 /* 1st stacked KU/IE*/ 255 #define MIPS1_SR_INT_ENA_PREV 0x00000004 /* 1st stacked KU/IE*/ 256 #define MIPS1_SR_KU_CUR 0x00000002 /* current KU */ 257 258 /* backwards compatibility */ 259 #define MIPS_SR_PARITY_ERR MIPS1_PARITY_ERR 260 #define MIPS_SR_CACHE_MISS MIPS1_CACHE_MISS 261 #define MIPS_SR_PARITY_ZERO MIPS1_PARITY_ZERO 262 #define MIPS_SR_SWAP_CACHES MIPS1_SWAP_CACHES 263 #define MIPS_SR_ISOL_CACHES MIPS1_ISOL_CACHES 264 265 #define MIPS_SR_KU_OLD MIPS1_SR_KU_OLD 266 #define MIPS_SR_INT_ENA_OLD MIPS1_SR_INT_ENA_OLD 267 #define MIPS_SR_KU_PREV MIPS1_SR_KU_PREV 268 #define MIPS_SR_KU_CUR MIPS1_SR_KU_CUR 269 #define MIPS_SR_INT_ENA_PREV MIPS1_SR_INT_ENA_PREV 270 271 /* 272 * R4000 status register bit definitons, 273 * where different from r2000/r3000. 274 */ 275 #define MIPS3_SR_XX 0x80000000 276 #define MIPS3_SR_RP 0x08000000 277 #define MIPS3_SR_FR 0x04000000 278 #define MIPS3_SR_RE 0x02000000 279 280 #define MIPS3_SR_DIAG_DL 0x01000000 /* QED 52xx */ 281 #define MIPS3_SR_DIAG_IL 0x00800000 /* QED 52xx */ 282 #define MIPS3_SR_PX 0x00800000 /* MIPS64 */ 283 #define MIPS3_SR_SR 0x00100000 284 #define MIPS3_SR_NMI 0x00080000 /* MIPS32/64 */ 285 #define MIPS3_SR_DIAG_CH 0x00040000 286 #define MIPS3_SR_DIAG_CE 0x00020000 287 #define MIPS3_SR_DIAG_PE 0x00010000 288 #define MIPS3_SR_KX 0x00000080 289 #define MIPS3_SR_SX 0x00000040 290 #define MIPS3_SR_UX 0x00000020 291 #define MIPS3_SR_KSU_MASK 0x00000018 292 #define MIPS3_SR_KSU_USER 0x00000010 293 #define MIPS3_SR_KSU_SUPER 0x00000008 294 #define MIPS3_SR_KSU_KERNEL 0x00000000 295 #define MIPS3_SR_ERL 0x00000004 296 #define MIPS3_SR_EXL 0x00000002 297 298 #define MIPS_SR_SOFT_RESET MIPS3_SR_SOFT_RESET 299 #define MIPS_SR_DIAG_CH MIPS3_SR_DIAG_CH 300 #define MIPS_SR_DIAG_CE MIPS3_SR_DIAG_CE 301 #define MIPS_SR_DIAG_PE MIPS3_SR_DIAG_PE 302 #define MIPS_SR_KX MIPS3_SR_KX 303 #define MIPS_SR_SX MIPS3_SR_SX 304 #define MIPS_SR_UX MIPS3_SR_UX 305 306 #define MIPS_SR_KSU_MASK MIPS3_SR_KSU_MASK 307 #define MIPS_SR_KSU_USER MIPS3_SR_KSU_USER 308 #define MIPS_SR_KSU_SUPER MIPS3_SR_KSU_SUPER 309 #define MIPS_SR_KSU_KERNEL MIPS3_SR_KSU_KERNEL 310 #define MIPS_SR_ERL MIPS3_SR_ERL 311 #define MIPS_SR_EXL MIPS3_SR_EXL 312 313 314 /* 315 * The interrupt masks. 316 * If a bit in the mask is 1 then the interrupt is enabled (or pending). 317 */ 318 #define MIPS_INT_MASK 0xff00 319 #define MIPS_INT_MASK_5 0x8000 320 #define MIPS_INT_MASK_4 0x4000 321 #define MIPS_INT_MASK_3 0x2000 322 #define MIPS_INT_MASK_2 0x1000 323 #define MIPS_INT_MASK_1 0x0800 324 #define MIPS_INT_MASK_0 0x0400 325 #define MIPS_HARD_INT_MASK 0xfc00 326 #define MIPS_SOFT_INT_MASK_1 0x0200 327 #define MIPS_SOFT_INT_MASK_0 0x0100 328 #define MIPS_SOFT_INT_MASK 0x0300 329 #define MIPS_INT_MASK_SHIFT 8 330 331 /* 332 * mips3 CPUs have on-chip timer at INT_MASK_5. Each platform can 333 * choose to enable this interrupt. 334 */ 335 #if defined(MIPS3_ENABLE_CLOCK_INTR) 336 #define MIPS3_INT_MASK MIPS_INT_MASK 337 #define MIPS3_HARD_INT_MASK MIPS_HARD_INT_MASK 338 #else 339 #define MIPS3_INT_MASK (MIPS_INT_MASK & ~MIPS_INT_MASK_5) 340 #define MIPS3_HARD_INT_MASK (MIPS_HARD_INT_MASK & ~MIPS_INT_MASK_5) 341 #endif 342 343 /* 344 * The bits in the context register. 345 */ 346 #define MIPS1_CNTXT_PTE_BASE 0xFFE00000 347 #define MIPS1_CNTXT_BAD_VPN 0x001FFFFC 348 349 #define MIPS3_CNTXT_PTE_BASE 0xFF800000 350 #define MIPS3_CNTXT_BAD_VPN2 0x007FFFF0 351 352 /* 353 * The bits in the MIPS3 config register. 354 * 355 * bit 0..5: R/W, Bit 6..31: R/O 356 */ 357 358 /* kseg0 coherency algorithm - see MIPS3_TLB_ATTR values */ 359 #define MIPS3_CONFIG_K0_MASK 0x00000007 360 361 /* 362 * R/W Update on Store Conditional 363 * 0: Store Conditional uses coherency algorithm specified by TLB 364 * 1: Store Conditional uses cacheable coherent update on write 365 */ 366 #define MIPS3_CONFIG_CU 0x00000008 367 368 #define MIPS3_CONFIG_DB 0x00000010 /* Primary D-cache line size */ 369 #define MIPS3_CONFIG_IB 0x00000020 /* Primary I-cache line size */ 370 #define MIPS3_CONFIG_CACHE_L1_LSIZE(config, bit) \ 371 (((config) & (bit)) ? 32 : 16) 372 373 #define MIPS3_CONFIG_DC_MASK 0x000001c0 /* Primary D-cache size */ 374 #define MIPS3_CONFIG_DC_SHIFT 6 375 #define MIPS3_CONFIG_IC_MASK 0x00000e00 /* Primary I-cache size */ 376 #define MIPS3_CONFIG_IC_SHIFT 9 377 #define MIPS3_CONFIG_C_DEFBASE 0x1000 /* default base 2^12 */ 378 379 /* Cache size mode indication: available only on Vr41xx CPUs */ 380 #define MIPS3_CONFIG_CS 0x00001000 381 #define MIPS3_CONFIG_C_4100BASE 0x0400 /* base is 2^10 if CS=1 */ 382 #define MIPS3_CONFIG_CACHE_SIZE(config, mask, base, shift) \ 383 ((base) << (((config) & (mask)) >> (shift))) 384 385 /* External cache enable: Controls L2 for R5000/Rm527x and L3 for Rm7000 */ 386 #define MIPS3_CONFIG_SE 0x00001000 387 388 /* Block ordering: 0: sequential, 1: sub-block */ 389 #define MIPS3_CONFIG_EB 0x00002000 390 391 /* ECC mode - 0: ECC mode, 1: parity mode */ 392 #define MIPS3_CONFIG_EM 0x00004000 393 394 /* BigEndianMem - 0: kernel and memory are little endian, 1: big endian */ 395 #define MIPS3_CONFIG_BE 0x00008000 396 397 /* Dirty Shared coherency state - 0: enabled, 1: disabled */ 398 #define MIPS3_CONFIG_SM 0x00010000 399 400 /* Secondary Cache - 0: present, 1: not present */ 401 #define MIPS3_CONFIG_SC 0x00020000 402 403 /* System Port width - 0: 64-bit, 1: 32-bit (QED RM523x), 2,3: reserved */ 404 #define MIPS3_CONFIG_EW_MASK 0x000c0000 405 #define MIPS3_CONFIG_EW_SHIFT 18 406 407 /* Secondary Cache port width - 0: 128-bit data path to S-cache, 1: reserved */ 408 #define MIPS3_CONFIG_SW 0x00100000 409 410 /* Split Secondary Cache Mode - 0: I/D mixed, 1: I/D separated by SCAddr(17) */ 411 #define MIPS3_CONFIG_SS 0x00200000 412 413 /* Secondary Cache line size */ 414 #define MIPS3_CONFIG_SB_MASK 0x00c00000 415 #define MIPS3_CONFIG_SB_SHIFT 22 416 #define MIPS3_CONFIG_CACHE_L2_LSIZE(config) \ 417 (0x10 << (((config) & MIPS3_CONFIG_SB_MASK) >> MIPS3_CONFIG_SB_SHIFT)) 418 419 /* Write back data rate */ 420 #define MIPS3_CONFIG_EP_MASK 0x0f000000 421 #define MIPS3_CONFIG_EP_SHIFT 24 422 423 /* System clock ratio - this value is CPU dependent */ 424 #define MIPS3_CONFIG_EC_MASK 0x70000000 425 #define MIPS3_CONFIG_EC_SHIFT 28 426 427 /* Master-Checker Mode - 1: enabled */ 428 #define MIPS3_CONFIG_CM 0x80000000 429 430 /* 431 * The bits in the MIPS4 config register. 432 */ 433 434 /* kseg0 coherency algorithm - see MIPS3_TLB_ATTR values */ 435 #define MIPS4_CONFIG_K0_MASK MIPS3_CONFIG_K0_MASK 436 #define MIPS4_CONFIG_DN_MASK 0x00000018 /* Device number */ 437 #define MIPS4_CONFIG_CT 0x00000020 /* CohPrcReqTar */ 438 #define MIPS4_CONFIG_PE 0x00000040 /* PreElmReq */ 439 #define MIPS4_CONFIG_PM_MASK 0x00000180 /* PreReqMax */ 440 #define MIPS4_CONFIG_EC_MASK 0x00001e00 /* SysClkDiv */ 441 #define MIPS4_CONFIG_SB 0x00002000 /* SCBlkSize */ 442 #define MIPS4_CONFIG_SK 0x00004000 /* SCColEn */ 443 #define MIPS4_CONFIG_BE 0x00008000 /* MemEnd */ 444 #define MIPS4_CONFIG_SS_MASK 0x00070000 /* SCSize */ 445 #define MIPS4_CONFIG_SC_MASK 0x00380000 /* SCClkDiv */ 446 #define MIPS4_CONFIG_RESERVED 0x03c00000 /* Reserved wired 0 */ 447 #define MIPS4_CONFIG_DC_MASK 0x1c000000 /* Primary D-Cache size */ 448 #define MIPS4_CONFIG_IC_MASK 0xe0000000 /* Primary I-Cache size */ 449 450 #define MIPS4_CONFIG_DC_SHIFT 26 451 #define MIPS4_CONFIG_IC_SHIFT 29 452 453 #define MIPS4_CONFIG_CACHE_SIZE(config, mask, base, shift) \ 454 ((base) << (((config) & (mask)) >> (shift))) 455 456 #define MIPS4_CONFIG_CACHE_L2_LSIZE(config) \ 457 (((config) & MIPS4_CONFIG_SB) ? 128 : 64) 458 459 /* 460 * Location of exception vectors. 461 * 462 * Common vectors: reset and UTLB miss. 463 */ 464 #define MIPS_RESET_EXC_VEC MIPS_PHYS_TO_KSEG1(0x1FC00000) 465 #define MIPS_UTLB_MISS_EXC_VEC MIPS_PHYS_TO_KSEG0(0) 466 467 /* 468 * MIPS-1 general exception vector (everything else) 469 */ 470 #define MIPS1_GEN_EXC_VEC MIPS_PHYS_TO_KSEG0(0x0080) 471 472 /* 473 * MIPS-III exception vectors 474 */ 475 #define MIPS3_XTLB_MISS_EXC_VEC MIPS_PHYS_TO_KSEG0(0x0080) 476 #define MIPS3_CACHE_ERR_EXC_VEC MIPS_PHYS_TO_KSEG0(0x0100) 477 #define MIPS3_GEN_EXC_VEC MIPS_PHYS_TO_KSEG0(0x0180) 478 479 /* 480 * MIPS32/MIPS64 (and some MIPS3) dedicated interrupt vector. 481 */ 482 #define MIPS3_INTR_EXC_VEC MIPS_PHYS_TO_KSEG0(0x0200) 483 484 /* 485 * Coprocessor 0 registers: 486 * 487 * v--- width for mips I,III,32,64 488 * (3=32bit, 6=64bit, i=impl dep) 489 * 0 MIPS_COP_0_TLB_INDEX 3333 TLB Index. 490 * 1 MIPS_COP_0_TLB_RANDOM 3333 TLB Random. 491 * 2 MIPS_COP_0_TLB_LOW 3... r3k TLB entry low. 492 * 2 MIPS_COP_0_TLB_LO0 .636 r4k TLB entry low. 493 * 3 MIPS_COP_0_TLB_LO1 .636 r4k TLB entry low, extended. 494 * 4 MIPS_COP_0_TLB_CONTEXT 3636 TLB Context. 495 * 4/2 MIPS_COP_0_USERLOCAL ..36 UserLocal. 496 * 5 MIPS_COP_0_TLB_PG_MASK .333 TLB Page Mask register. 497 * 6 MIPS_COP_0_TLB_WIRED .333 Wired TLB number. 498 * 7 MIPS_COP_0_HWRENA ..33 rdHWR Enable. 499 * 8 MIPS_COP_0_BAD_VADDR 3636 Bad virtual address. 500 * 9 MIPS_COP_0_COUNT .333 Count register. 501 * 10 MIPS_COP_0_TLB_HI 3636 TLB entry high. 502 * 11 MIPS_COP_0_COMPARE .333 Compare (against Count). 503 * 12 MIPS_COP_0_STATUS 3333 Status register. 504 * 12/1 MIPS_COP_0_INTCTL ..33 Interrupt Control. 505 * 12/2 MIPS_COP_0_SRSCTL ..33 Shadow Register Set Selectors. 506 * 12/3 MIPS_COP_0_SRSMAP ..33 Shadow Set Map. 507 * 13 MIPS_COP_0_CAUSE 3333 Exception cause register. 508 * 14 MIPS_COP_0_EXC_PC 3636 Exception PC. 509 * 15 MIPS_COP_0_PRID 3333 Processor revision identifier. 510 * 15/1 MIPS_COP_0_EBASE ..33 Exception Base. 511 * 16 MIPS_COP_0_CONFIG 3333 Configuration register. 512 * 16/1 MIPS_COP_0_CONFIG1 ..33 Configuration register 1. 513 * 16/2 MIPS_COP_0_CONFIG2 ..33 Configuration register 2. 514 * 16/3 MIPS_COP_0_CONFIG3 ..33 Configuration register 3. 515 * 16/6 MIPS_COP_0_CONFIG6 ..33 Configuration register 6. 516 * 16/7 MIPS_COP_0_CONFIG7 ..33 Configuration register 7. 517 * 17 MIPS_COP_0_LLADDR .336 Load Linked Address. 518 * 18 MIPS_COP_0_WATCH_LO .336 WatchLo register. 519 * 19 MIPS_COP_0_WATCH_HI .333 WatchHi register. 520 * 20 MIPS_COP_0_TLB_XCONTEXT .6.6 TLB XContext register. 521 * 22 MIPS_COP_0_OSSCRATCH ...6 [RMI] OS Scratch register. (select 0..7) 522 * 22 MIPS_COP_0_DIAG ...6 [LOONGSON2] Diagnostic register. 523 * 23 MIPS_COP_0_DEBUG .... Debug JTAG register. 524 * 24 MIPS_COP_0_DEPC .... DEPC JTAG register. 525 * 25 MIPS_COP_0_PERFCNT ..36 Performance Counter register. 526 * 26 MIPS_COP_0_ECC .3ii ECC / Error Control register. 527 * 27 MIPS_COP_0_CACHE_ERR .3ii Cache Error register. 528 * 28/0 MIPS_COP_0_TAG_LO .3ii Cache TagLo register (instr). 529 * 28/1 MIPS_COP_0_DATA_LO ..ii Cache DataLo register (instr). 530 * 28/2 MIPS_COP_0_TAG_LO ..ii Cache TagLo register (data). 531 * 28/3 MIPS_COP_0_DATA_LO ..ii Cache DataLo register (data). 532 * 29/0 MIPS_COP_0_TAG_HI .3ii Cache TagHi register (instr). 533 * 29/1 MIPS_COP_0_DATA_HI ..ii Cache DataHi register (instr). 534 * 29/2 MIPS_COP_0_TAG_HI ..ii Cache TagHi register (data). 535 * 29/3 MIPS_COP_0_DATA_HI ..ii Cache DataHi register (data). 536 * 30 MIPS_COP_0_ERROR_PC .636 Error EPC register. 537 * 31 MIPS_COP_0_DESAVE .... DESAVE JTAG register. 538 */ 539 #ifdef _LOCORE 540 #define _(n) __CONCAT($,n) 541 #else 542 #define _(n) n 543 #endif 544 #define MIPS_COP_0_TLB_INDEX _(0) 545 #define MIPS_COP_0_TLB_RANDOM _(1) 546 /* Name and meaning of TLB bits for $2 differ on r3k and r4k. */ 547 548 #define MIPS_COP_0_TLB_CONTEXT _(4) 549 /* $5 and $6 new with MIPS-III */ 550 #define MIPS_COP_0_BAD_VADDR _(8) 551 #define MIPS_COP_0_TLB_HI _(10) 552 #define MIPS_COP_0_STATUS _(12) 553 #define MIPS_COP_0_CAUSE _(13) 554 #define MIPS_COP_0_EXC_PC _(14) 555 #define MIPS_COP_0_PRID _(15) 556 557 558 /* MIPS-I */ 559 #define MIPS_COP_0_TLB_LOW _(2) 560 561 /* MIPS-III */ 562 #define MIPS_COP_0_TLB_LO0 _(2) 563 #define MIPS_COP_0_TLB_LO1 _(3) 564 565 #define MIPS_COP_0_TLB_PG_MASK _(5) 566 #define MIPS_COP_0_TLB_WIRED _(6) 567 568 #define MIPS_COP_0_COUNT _(9) 569 #define MIPS_COP_0_COMPARE _(11) 570 571 #define MIPS_COP_0_CONFIG _(16) 572 #define MIPS_COP_0_LLADDR _(17) 573 #define MIPS_COP_0_WATCH_LO _(18) 574 #define MIPS_COP_0_WATCH_HI _(19) 575 #define MIPS_COP_0_TLB_XCONTEXT _(20) 576 #define MIPS_COP_0_ECC _(26) 577 #define MIPS_COP_0_CACHE_ERR _(27) 578 #define MIPS_COP_0_TAG_LO _(28) 579 #define MIPS_COP_0_TAG_HI _(29) 580 #define MIPS_COP_0_ERROR_PC _(30) 581 582 /* MIPS32/64 */ 583 #define MIPS_COP_0_HWRENA _(7) 584 #define MIPS_COP_0_OSSCRATCH _(22) 585 #define MIPS_COP_0_DIAG _(22) 586 #define MIPS_COP_0_DEBUG _(23) 587 #define MIPS_COP_0_DEPC _(24) 588 #define MIPS_COP_0_PERFCNT _(25) 589 #define MIPS_COP_0_DATA_LO _(28) 590 #define MIPS_COP_0_DATA_HI _(29) 591 #define MIPS_COP_0_DESAVE _(31) 592 593 #define MIPS_DIAG_RAS_DISABLE 0x00000001 /* Loongson2 */ 594 #define MIPS_DIAG_BTB_CLEAR 0x00000002 /* Loongson2 */ 595 #define MIPS_DIAG_ITLB_CLEAR 0x00000004 /* Loongson2 */ 596 597 /* 598 * Values for the code field in a break instruction. 599 */ 600 #define MIPS_BREAK_INSTR 0x0000000d 601 #define MIPS_BREAK_VAL_MASK 0x03ff0000 602 #define MIPS_BREAK_VAL_SHIFT 16 603 #define MIPS_BREAK_KDB_VAL 512 604 #define MIPS_BREAK_SSTEP_VAL 513 605 #define MIPS_BREAK_BRKPT_VAL 514 606 #define MIPS_BREAK_SOVER_VAL 515 607 #define MIPS_BREAK_KDB (MIPS_BREAK_INSTR | \ 608 (MIPS_BREAK_KDB_VAL << MIPS_BREAK_VAL_SHIFT)) 609 #define MIPS_BREAK_SSTEP (MIPS_BREAK_INSTR | \ 610 (MIPS_BREAK_SSTEP_VAL << MIPS_BREAK_VAL_SHIFT)) 611 #define MIPS_BREAK_BRKPT (MIPS_BREAK_INSTR | \ 612 (MIPS_BREAK_BRKPT_VAL << MIPS_BREAK_VAL_SHIFT)) 613 #define MIPS_BREAK_SOVER (MIPS_BREAK_INSTR | \ 614 (MIPS_BREAK_SOVER_VAL << MIPS_BREAK_VAL_SHIFT)) 615 616 /* 617 * Mininum and maximum cache sizes. 618 */ 619 #define MIPS_MIN_CACHE_SIZE (16 * 1024) 620 #define MIPS_MAX_CACHE_SIZE (256 * 1024) 621 #define MIPS3_MAX_PCACHE_SIZE (32 * 1024) /* max. primary cache size */ 622 623 /* 624 * The floating point version and status registers. 625 */ 626 #define MIPS_FPU_ID $0 627 #define MIPS_FPU_CSR $31 628 629 /* 630 * The floating point coprocessor status register bits. 631 */ 632 #define MIPS_FPU_ROUNDING_BITS 0x00000003 633 #define MIPS_FPU_ROUND_RN 0x00000000 634 #define MIPS_FPU_ROUND_RZ 0x00000001 635 #define MIPS_FPU_ROUND_RP 0x00000002 636 #define MIPS_FPU_ROUND_RM 0x00000003 637 #define MIPS_FPU_STICKY_BITS 0x0000007c 638 #define MIPS_FPU_STICKY_INEXACT 0x00000004 639 #define MIPS_FPU_STICKY_UNDERFLOW 0x00000008 640 #define MIPS_FPU_STICKY_OVERFLOW 0x00000010 641 #define MIPS_FPU_STICKY_DIV0 0x00000020 642 #define MIPS_FPU_STICKY_INVALID 0x00000040 643 #define MIPS_FPU_ENABLE_BITS 0x00000f80 644 #define MIPS_FPU_ENABLE_INEXACT 0x00000080 645 #define MIPS_FPU_ENABLE_UNDERFLOW 0x00000100 646 #define MIPS_FPU_ENABLE_OVERFLOW 0x00000200 647 #define MIPS_FPU_ENABLE_DIV0 0x00000400 648 #define MIPS_FPU_ENABLE_INVALID 0x00000800 649 #define MIPS_FPU_EXCEPTION_BITS 0x0003f000 650 #define MIPS_FPU_EXCEPTION_INEXACT 0x00001000 651 #define MIPS_FPU_EXCEPTION_UNDERFLOW 0x00002000 652 #define MIPS_FPU_EXCEPTION_OVERFLOW 0x00004000 653 #define MIPS_FPU_EXCEPTION_DIV0 0x00008000 654 #define MIPS_FPU_EXCEPTION_INVALID 0x00010000 655 #define MIPS_FPU_EXCEPTION_UNIMPL 0x00020000 656 #define MIPS_FPU_COND_BIT 0x00800000 657 #define MIPS_FPU_FLUSH_BIT 0x01000000 /* r4k, MBZ on r3k */ 658 #define MIPS1_FPC_MBZ_BITS 0xff7c0000 659 #define MIPS3_FPC_MBZ_BITS 0xfe7c0000 660 661 662 /* 663 * Constants to determine if have a floating point instruction. 664 */ 665 #define MIPS_OPCODE_SHIFT 26 666 #define MIPS_OPCODE_C1 0x11 667 668 669 /* 670 * The low part of the TLB entry. 671 */ 672 #define MIPS1_TLB_PFN 0xfffff000 673 #define MIPS1_TLB_NON_CACHEABLE_BIT 0x00000800 674 #define MIPS1_TLB_DIRTY_BIT 0x00000400 675 #define MIPS1_TLB_VALID_BIT 0x00000200 676 #define MIPS1_TLB_GLOBAL_BIT 0x00000100 677 678 #define MIPS3_TLB_PFN 0x3fffffc0 679 #define MIPS3_TLB_ATTR_MASK 0x00000038 680 #define MIPS3_TLB_ATTR_SHIFT 3 681 #define MIPS3_TLB_DIRTY_BIT 0x00000004 682 #define MIPS3_TLB_VALID_BIT 0x00000002 683 #define MIPS3_TLB_GLOBAL_BIT 0x00000001 684 685 #define MIPS1_TLB_PHYS_PAGE_SHIFT 12 686 #define MIPS3_TLB_PHYS_PAGE_SHIFT 6 687 #define MIPS1_TLB_PF_NUM MIPS1_TLB_PFN 688 #define MIPS3_TLB_PF_NUM MIPS3_TLB_PFN 689 #define MIPS1_TLB_MOD_BIT MIPS1_TLB_DIRTY_BIT 690 #define MIPS3_TLB_MOD_BIT MIPS3_TLB_DIRTY_BIT 691 692 /* 693 * MIPS3_TLB_ATTR (CCA) values - coherency algorithm: 694 * 0: cacheable, noncoherent, write-through, no write allocate 695 * 1: cacheable, noncoherent, write-through, write allocate 696 * 2: uncached 697 * 3: cacheable, noncoherent, write-back (noncoherent) 698 * 4: cacheable, coherent, write-back, exclusive (exclusive) 699 * 5: cacheable, coherent, write-back, exclusive on write (sharable) 700 * 6: cacheable, coherent, write-back, update on write (update) 701 * 7: uncached, accelerated (gather STORE operations) 702 */ 703 #define MIPS3_TLB_ATTR_WT 0 /* IDT */ 704 #define MIPS3_TLB_ATTR_WT_WRITEALLOCATE 1 /* IDT */ 705 #define MIPS3_TLB_ATTR_UNCACHED 2 /* R4000/R4400, IDT */ 706 #define MIPS3_TLB_ATTR_WB_NONCOHERENT 3 /* R4000/R4400, IDT */ 707 #define MIPS3_TLB_ATTR_WB_EXCLUSIVE 4 /* R4000/R4400 */ 708 #define MIPS3_TLB_ATTR_WB_SHARABLE 5 /* R4000/R4400 */ 709 #define MIPS3_TLB_ATTR_WB_UPDATE 6 /* R4000/R4400 */ 710 #define MIPS4_TLB_ATTR_UNCACHED_ACCELERATED 7 /* R10000 */ 711 712 713 /* 714 * The high part of the TLB entry. 715 */ 716 #define MIPS1_TLB_VPN 0xfffff000 717 #define MIPS1_TLB_PID 0x00000fc0 718 #define MIPS1_TLB_PID_SHIFT 6 719 720 #define MIPS3_TLB_VPN2 0xffffe000 721 #define MIPS3_TLB_ASID 0x000000ff 722 723 #define MIPS1_TLB_VIRT_PAGE_NUM MIPS1_TLB_VPN 724 #define MIPS3_TLB_VIRT_PAGE_NUM MIPS3_TLB_VPN2 725 #define MIPS3_TLB_PID MIPS3_TLB_ASID 726 #define MIPS_TLB_VIRT_PAGE_SHIFT 12 727 728 /* 729 * r3000: shift count to put the index in the right spot. 730 */ 731 #define MIPS1_TLB_INDEX_SHIFT 8 732 733 /* 734 * The first TLB that write random hits. 735 */ 736 #define MIPS1_TLB_FIRST_RAND_ENTRY 8 737 #define MIPS3_TLB_WIRED_UPAGES 1 738 739 /* 740 * The number of process id entries. 741 */ 742 #define MIPS1_TLB_NUM_PIDS 64 743 #define MIPS3_TLB_NUM_ASIDS 256 744 745 /* 746 * Patch codes to hide CPU design differences between MIPS1 and MIPS3. 747 */ 748 749 /* XXX simonb: this is before MIPS3_PLUS is defined (and is ugly!) */ 750 751 #if (MIPS3 + MIPS4 + MIPS32 + MIPS32R2 + MIPS64 + MIPS64R2) == 0 && MIPS1 != 0 752 #define MIPS_TLB_PID_SHIFT MIPS1_TLB_PID_SHIFT 753 #define MIPS_TLB_PID MIPS1_TLB_PID 754 #define MIPS_TLB_NUM_PIDS MIPS1_TLB_NUM_PIDS 755 #endif 756 757 #if (MIPS3 + MIPS4 + MIPS32 + MIPS32R2 + MIPS64 + MIPS64R2) != 0 && MIPS1 == 0 758 #define MIPS_TLB_PID_SHIFT 0 759 #define MIPS_TLB_PID MIPS3_TLB_PID 760 #define MIPS_TLB_NUM_PIDS MIPS3_TLB_NUM_ASIDS 761 #endif 762 763 764 #if !defined(MIPS_TLB_PID_SHIFT) 765 #define MIPS_TLB_PID_SHIFT \ 766 ((MIPS_HAS_R4K_MMU) ? 0 : MIPS1_TLB_PID_SHIFT) 767 768 #define MIPS_TLB_PID \ 769 ((MIPS_HAS_R4K_MMU) ? MIPS3_TLB_PID : MIPS1_TLB_PID) 770 771 #define MIPS_TLB_NUM_PIDS \ 772 ((MIPS_HAS_R4K_MMU) ? MIPS3_TLB_NUM_ASIDS : MIPS1_TLB_NUM_PIDS) 773 #endif 774 775 /* 776 * Bits defined for HWREna (CP0 register 7, select 0). 777 */ 778 #define MIPS_HWRENA_IMPL31 __BIT(31) 779 #define MIPS_HWRENA_IMPL30 __BIT(30) 780 #define MIPS_HWRENA_UL __BIT(29) /* Userlocal */ 781 #define MIPS_HWRENA_CCRES __BIT(3) 782 #define MIPS_HWRENA_CC __BIT(2) 783 #define MIPS_HWRENA_SYNCI_STEP __BIT(1) 784 #define MIPS_HWRENA_CPUNUM __BIT(0) 785 786 /* 787 * Bits defined for EBASE (CP0 register 15, select 1). 788 */ 789 #define MIPS_EBASE_CPUNUM __BITS(9, 0) 790 791 /* 792 * Hints for the prefetch instruction 793 */ 794 795 /* 796 * Prefetched data is expected to be read (not modified) 797 */ 798 #define PREF_LOAD 0 799 #define PREF_LOAD_STREAMED 4 /* but not reused extensively; it */ 800 /* "streams" through cache. */ 801 #define PREF_LOAD_RETAINED 6 /* and reused extensively; it should */ 802 /* be "retained" in the cache. */ 803 804 /* 805 * Prefetched data is expected to be stored or modified 806 */ 807 #define PREF_STORE 1 808 #define PREF_STORE_STREAMED 5 /* but not reused extensively; it */ 809 /* "streams" through cache. */ 810 #define PREF_STORE_RETAINED 7 /* and reused extensively; it should */ 811 /* be "retained" in the cache. */ 812 813 /* 814 * data is no longer expected to be used. For a WB cache, schedule a 815 * writeback of any dirty data and afterwards free the cache lines. 816 */ 817 #define PREF_WB_INV 25 818 #define PREF_NUDGE PREF_WB_INV 819 820 /* 821 * Prepare for writing an entire cache line without the overhead 822 * involved in filling the line from memory. 823 */ 824 #define PREF_PREPAREFORSTORE 30 825 826 /* 827 * CPU processor revision IDs for company ID == 0 (non mips32/64 chips) 828 */ 829 #define MIPS_R2000 0x01 /* MIPS R2000 ISA I */ 830 #define MIPS_R3000 0x02 /* MIPS R3000 ISA I */ 831 #define MIPS_R6000 0x03 /* MIPS R6000 ISA II */ 832 #define MIPS_R4000 0x04 /* MIPS R4000/R4400 ISA III */ 833 #define MIPS_R3LSI 0x05 /* LSI Logic R3000 derivative ISA I */ 834 #define MIPS_R6000A 0x06 /* MIPS R6000A ISA II */ 835 #define MIPS_R3IDT 0x07 /* IDT R3041 or RC36100 ISA I */ 836 #define MIPS_R10000 0x09 /* MIPS R10000 ISA IV */ 837 #define MIPS_R4200 0x0a /* NEC VR4200 ISA III */ 838 #define MIPS_R4300 0x0b /* NEC VR4300 ISA III */ 839 #define MIPS_R4100 0x0c /* NEC VR4100 ISA III */ 840 #define MIPS_R12000 0x0e /* MIPS R12000 ISA IV */ 841 #define MIPS_R14000 0x0f /* MIPS R14000 ISA IV */ 842 #define MIPS_R8000 0x10 /* MIPS R8000 Blackbird/TFP ISA IV */ 843 #define MIPS_RC32300 0x18 /* IDT RC32334,332,355 ISA 32 */ 844 #define MIPS_R4600 0x20 /* QED R4600 Orion ISA III */ 845 #define MIPS_R4700 0x21 /* QED R4700 Orion ISA III */ 846 #define MIPS_R3SONY 0x21 /* Sony R3000 based ISA I */ 847 #define MIPS_R4650 0x22 /* QED R4650 ISA III */ 848 #define MIPS_TX3900 0x22 /* Toshiba TX39 family ISA I */ 849 #define MIPS_R5000 0x23 /* MIPS R5000 ISA IV */ 850 #define MIPS_R3NKK 0x23 /* NKK R3000 based ISA I */ 851 #define MIPS_RC32364 0x26 /* IDT RC32364 ISA 32 */ 852 #define MIPS_RM7000 0x27 /* QED RM7000 ISA IV */ 853 #define MIPS_RM5200 0x28 /* QED RM5200s ISA IV */ 854 #define MIPS_TX4900 0x2d /* Toshiba TX49 family ISA III */ 855 #define MIPS_R5900 0x2e /* Toshiba R5900 (EECore) ISA --- */ 856 #define MIPS_RC64470 0x30 /* IDT RC64474/RC64475 ISA III */ 857 #define MIPS_TX7900 0x38 /* Toshiba TX79 ISA III+*/ 858 #define MIPS_R5400 0x54 /* NEC VR5400 ISA IV */ 859 #define MIPS_R5500 0x55 /* NEC VR5500 ISA IV */ 860 #define MIPS_LOONGSON2 0x63 /* ICT Loongson-2 ISA III */ 861 862 /* 863 * CPU revision IDs for some prehistoric processors. 864 */ 865 866 /* For MIPS_R3000 */ 867 #define MIPS_REV_R2000A 0x16 /* R2000A uses R3000 proc revision */ 868 #define MIPS_REV_R3000 0x20 869 #define MIPS_REV_R3000A 0x30 870 871 /* For MIPS_TX3900 */ 872 #define MIPS_REV_TX3912 0x10 873 #define MIPS_REV_TX3922 0x30 874 #define MIPS_REV_TX3927 0x40 875 876 /* For MIPS_R4000 */ 877 #define MIPS_REV_R4000_A 0x00 878 #define MIPS_REV_R4000_B 0x22 879 #define MIPS_REV_R4000_C 0x30 880 #define MIPS_REV_R4400_A 0x40 881 #define MIPS_REV_R4400_B 0x50 882 #define MIPS_REV_R4400_C 0x60 883 884 /* For MIPS_TX4900 */ 885 #define MIPS_REV_TX4927 0x22 886 887 /* For MIPS_LOONGSON2 */ 888 #define MIPS_REV_LOONGSON2E 0x02 889 #define MIPS_REV_LOONGSON2F 0x03 890 891 /* 892 * CPU processor revision IDs for company ID == 1 (MIPS) 893 */ 894 #define MIPS_4Kc 0x80 /* MIPS 4Kc ISA 32 */ 895 #define MIPS_5Kc 0x81 /* MIPS 5Kc ISA 64 */ 896 #define MIPS_20Kc 0x82 /* MIPS 20Kc ISA 64 */ 897 #define MIPS_4Kmp 0x83 /* MIPS 4Km/4Kp ISA 32 */ 898 #define MIPS_4KEc 0x84 /* MIPS 4KEc ISA 32 */ 899 #define MIPS_4KEmp 0x85 /* MIPS 4KEm/4KEp ISA 32 */ 900 #define MIPS_4KSc 0x86 /* MIPS 4KSc ISA 32 */ 901 #define MIPS_M4K 0x87 /* MIPS M4K ISA 32 Rel 2 */ 902 #define MIPS_25Kf 0x88 /* MIPS 25Kf ISA 64 */ 903 #define MIPS_5KE 0x89 /* MIPS 5KE ISA 64 Rel 2 */ 904 #define MIPS_4KEc_R2 0x90 /* MIPS 4KEc_R2 ISA 32 Rel 2 */ 905 #define MIPS_4KEmp_R2 0x91 /* MIPS 4KEm/4KEp_R2 ISA 32 Rel 2 */ 906 #define MIPS_4KSd 0x92 /* MIPS 4KSd ISA 32 Rel 2 */ 907 #define MIPS_24K 0x93 /* MIPS 24Kc/24Kf ISA 32 Rel 2 */ 908 #define MIPS_34K 0x95 /* MIPS 34K ISA 32 R2 MT */ 909 #define MIPS_24KE 0x96 /* MIPS 24KEc ISA 32 Rel 2 */ 910 #define MIPS_74K 0x97 /* MIPS 74Kc/74Kf ISA 32 Rel 2 */ 911 #define MIPS_1004K 0x99 /* MIPS 1004Kc/1004Kf ISA 32 Rel 2 */ 912 913 /* 914 * CPU processor revision IDs for company ID == 2 (Broadcom) 915 */ 916 #define MIPS_BCM3302 0x90 /* MIPS 4KEc_R2-like? ISA 32 Rel 2 */ 917 918 /* 919 * Alchemy (company ID 3) use the processor ID field to donote the CPU core 920 * revision and the company options field do donate the SOC chip type. 921 */ 922 /* CPU processor revision IDs */ 923 #define MIPS_AU_REV1 0x01 /* Alchemy Au1000 (Rev 1) ISA 32 */ 924 #define MIPS_AU_REV2 0x02 /* Alchemy Au1000 (Rev 2) ISA 32 */ 925 /* CPU company options IDs */ 926 #define MIPS_AU1000 0x00 927 #define MIPS_AU1500 0x01 928 #define MIPS_AU1100 0x02 929 #define MIPS_AU1550 0x03 930 931 /* 932 * CPU processor revision IDs for company ID == 4 (SiByte) 933 */ 934 #define MIPS_SB1 0x01 /* SiByte SB1 ISA 64 */ 935 936 /* 937 * CPU processor revision IDs for company ID == 5 (SandCraft) 938 */ 939 #define MIPS_SR7100 0x04 /* SandCraft SR7100 ISA 64 */ 940 941 /* 942 * CPU revision IDs for company ID == 12 (RMI) 943 * note: unlisted Rev values may indicate pre-production silicon 944 */ 945 #define MIPS_XLR_B2 0x04 /* RMI XLR Production Rev B2 */ 946 #define MIPS_XLR_C4 0x91 /* RMI XLR Production Rev C4 */ 947 948 /* 949 * CPU processor IDs for company ID == 12 (RMI) 950 */ 951 #define MIPS_XLR308B 0x06 /* RMI XLR308-B ISA 64 */ 952 #define MIPS_XLR508B 0x07 /* RMI XLR508-B ISA 64 */ 953 #define MIPS_XLR516B 0x08 /* RMI XLR516-B ISA 64 */ 954 #define MIPS_XLR532B 0x09 /* RMI XLR532-B ISA 64 */ 955 #define MIPS_XLR716B 0x0a /* RMI XLR716-B ISA 64 */ 956 #define MIPS_XLR732B 0x0b /* RMI XLR732-B ISA 64 */ 957 #define MIPS_XLR732C 0x00 /* RMI XLR732-C ISA 64 */ 958 #define MIPS_XLR716C 0x02 /* RMI XLR716-C ISA 64 */ 959 #define MIPS_XLR532C 0x08 /* RMI XLR532-C ISA 64 */ 960 #define MIPS_XLR516C 0x0a /* RMI XLR516-C ISA 64 */ 961 #define MIPS_XLR508C 0x0b /* RMI XLR508-C ISA 64 */ 962 #define MIPS_XLR308C 0x0f /* RMI XLR308-C ISA 64 */ 963 #define MIPS_XLS616 0x40 /* RMI XLS616 ISA 64 */ 964 #define MIPS_XLS416 0x44 /* RMI XLS416 ISA 64 */ 965 #define MIPS_XLS608 0x4A /* RMI XLS608 ISA 64 */ 966 #define MIPS_XLS408 0x4E /* RMI XLS406 ISA 64 */ 967 #define MIPS_XLS404 0x4F /* RMI XLS404 ISA 64 */ 968 #define MIPS_XLS408LITE 0x88 /* RMI XLS408-Lite ISA 64 */ 969 #define MIPS_XLS404LITE 0x8C /* RMI XLS404-Lite ISA 64 */ 970 #define MIPS_XLS208 0x8E /* RMI XLS208 ISA 64 */ 971 #define MIPS_XLS204 0x8F /* RMI XLS204 ISA 64 */ 972 #define MIPS_XLS108 0xCE /* RMI XLS108 ISA 64 */ 973 #define MIPS_XLS104 0xCF /* RMI XLS104 ISA 64 */ 974 975 /* 976 * CPU processor IDs for company ID == 13 (Cavium) 977 */ 978 #define MIPS_CN38XX 0x00 /* Cavium Octeon CN38XX ISA 64 */ 979 #define MIPS_CN31XX 0x01 /* Cavium Octeon CN31XX ISA 64 */ 980 #define MIPS_CN30XX 0x02 /* Cavium Octeon CN30XX ISA 64 */ 981 #define MIPS_CN58XX 0x03 /* Cavium Octeon CN58XX ISA 64 */ 982 #define MIPS_CN56XX 0x04 /* Cavium Octeon CN56XX ISA 64 */ 983 #define MIPS_CN50XX 0x06 /* Cavium Octeon CN50XX ISA 64 */ 984 #define MIPS_CN52XX 0x07 /* Cavium Octeon CN52XX ISA 64 */ 985 #define MIPS_CN63XX 0x90 /* Cavium Octeon CN63XX ISA 64 */ 986 #define MIPS_CN68XX 0x91 /* Cavium Octeon CN68XX ISA 64 */ 987 #define MIPS_CN66XX 0x92 /* Cavium Octeon CN66XX ISA 64 */ 988 #define MIPS_CN61XX 0x93 /* Cavium Octeon CN61XX ISA 64 */ 989 #define MIPS_CNF71XX 0x94 /* Cavium Octeon CNF71XX ISA 64 */ 990 #define MIPS_CN78XX 0x95 /* Cavium Octeon CN78XX ISA 64 */ 991 #define MIPS_CN70XX 0x96 /* Cavium Octeon CN70XX ISA 64 */ 992 993 /* 994 * CPU processor revision IDs for company ID == 7 (Microsoft) 995 */ 996 #define MIPS_eMIPS 0x04 /* MSR's eMIPS */ 997 998 /* 999 * CPU processor revision IDs for company ID == e1 (Ingenic) 1000 */ 1001 #define MIPS_XBURST 0x02 /* Ingenic XBurst */ 1002 1003 /* 1004 * FPU processor revision ID 1005 */ 1006 #define MIPS_SOFT 0x00 /* Software emulation ISA I */ 1007 #define MIPS_R2360 0x01 /* MIPS R2360 FPC ISA I */ 1008 #define MIPS_R2010 0x02 /* MIPS R2010 FPC ISA I */ 1009 #define MIPS_R3010 0x03 /* MIPS R3010 FPC ISA I */ 1010 #define MIPS_R6010 0x04 /* MIPS R6010 FPC ISA II */ 1011 #define MIPS_R4010 0x05 /* MIPS R4010 FPC ISA II */ 1012 #define MIPS_R31LSI 0x06 /* LSI Logic derivate ISA I */ 1013 #define MIPS_R3TOSH 0x22 /* Toshiba R3000 based FPU ISA I */ 1014 1015 #ifdef ENABLE_MIPS_TX3900 1016 #include <mips/r3900regs.h> 1017 #endif 1018 #ifdef MIPS64_SB1 1019 #include <mips/sb1regs.h> 1020 #endif 1021 #if defined(MIPS64_XLP) || defined(MIPS64_XLR) || defined(MIPS64_XLS) 1022 #include <mips/rmi/rmixlreg.h> 1023 #endif 1024 1025 #ifdef MIPS3_LOONGSON2 1026 /* 1027 * Loongson 2E/2F specific defines 1028 */ 1029 1030 /* 1031 * Address Window registers physical addresses 1032 * 1033 * The Loongson 2F processor has an AXI crossbar with four possible bus 1034 * masters, each one having four programmable address windows. 1035 * 1036 * Each window is defined with three 64-bit registers: 1037 * - a base address register, defining the address in the master address 1038 * space (base register). 1039 * - an address mask register, defining which address bits are valid in this 1040 * window. A given address matches a window if (addr & mask) == base. 1041 * - the location of the window base in the target, as well at the target 1042 * number itself (mmap register). The lower 20 bits of the address are 1043 * forced as zeroes regardless of their value in this register. 1044 * The translated address is thus (addr & ~mask) | (mmap & ~0xfffff). 1045 */ 1046 1047 #define LOONGSON_AWR_BASE_ADDRESS 0x3ff00000ULL 1048 1049 #define LOONGSON_AWR_BASE(master, window) \ 1050 (LOONGSON_AWR_BASE_ADDRESS + (window) * 0x08 + (master) * 0x60 + 0x00) 1051 #define LOONGSON_AWR_SIZE(master, window) \ 1052 (LOONGSON_AWR_BASE_ADDRESS + (window) * 0x08 + (master) * 0x60 + 0x20) 1053 #define LOONGSON_AWR_MMAP(master, window) \ 1054 (LOONGSON_AWR_BASE_ADDRESS + (window) * 0x08 + (master) * 0x60 + 0x40) 1055 1056 /* 1057 * Bits in the diagnostic register 1058 */ 1059 1060 #define COP_0_DIAG_ITLB_CLEAR 0x04 1061 #define COP_0_DIAG_BTB_CLEAR 0x02 1062 #define COP_0_DIAG_RAS_DISABLE 0x01 1063 1064 #endif /* MIPS3_LOONGSON2 */ 1065 1066 #endif /* _MIPS_CPUREGS_H_ */ 1067
Indexes created Mon Oct 27 20:09:55 GMT 2025