1 /* 2 * xtensa/config/core-isa.h -- HAL definitions that are dependent on Xtensa 3 * processor CORE configuration 4 * 5 * See <xtensa/config/core.h>, which includes this file, for more details. 6 */ 7 8 /* Xtensa processor core configuration information. 9 10 Copyright (c) 1999-2010 Tensilica Inc. 11 12 Permission is hereby granted, free of charge, to any person obtaining 13 a copy of this software and associated documentation files (the 14 "Software"), to deal in the Software without restriction, including 15 without limitation the rights to use, copy, modify, merge, publish, 16 distribute, sublicense, and/or sell copies of the Software, and to 17 permit persons to whom the Software is furnished to do so, subject to 18 the following conditions: 19 20 The above copyright notice and this permission notice shall be included 21 in all copies or substantial portions of the Software. 22 23 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 26 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 27 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 28 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 29 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 30 31 #ifndef _XTENSA_CORE_CONFIGURATION_H 32 #define _XTENSA_CORE_CONFIGURATION_H 33 34 35 /**************************************************************************** 36 Parameters Useful for Any Code, USER or PRIVILEGED 37 ****************************************************************************/ 38 39 /* 40 * Note: Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is 41 * configured, and a value of 0 otherwise. These macros are always defined. 42 */ 43 44 45 /*---------------------------------------------------------------------- 46 ISA 47 ----------------------------------------------------------------------*/ 48 49 #define XCHAL_HAVE_BE 0 /* big-endian byte ordering */ 50 #define XCHAL_HAVE_WINDOWED 0 /* windowed registers option */ 51 #define XCHAL_NUM_AREGS 16 /* num of physical addr regs */ 52 #define XCHAL_NUM_AREGS_LOG2 4 /* log2(XCHAL_NUM_AREGS) */ 53 #define XCHAL_MAX_INSTRUCTION_SIZE 3 /* max instr bytes (3..8) */ 54 #define XCHAL_HAVE_DEBUG 1 /* debug option */ 55 #define XCHAL_HAVE_DENSITY 1 /* 16-bit instructions */ 56 #define XCHAL_HAVE_LOOPS 0 /* zero-overhead loops */ 57 #define XCHAL_HAVE_NSA 1 /* NSA/NSAU instructions */ 58 #define XCHAL_HAVE_MINMAX 0 /* MIN/MAX instructions */ 59 #define XCHAL_HAVE_SEXT 0 /* SEXT instruction */ 60 #define XCHAL_HAVE_CLAMPS 0 /* CLAMPS instruction */ 61 #define XCHAL_HAVE_MUL16 1 /* MUL16S/MUL16U instructions */ 62 #define XCHAL_HAVE_MUL32 1 /* MULL instruction */ 63 #define XCHAL_HAVE_MUL32_HIGH 0 /* MULUH/MULSH instructions */ 64 #define XCHAL_HAVE_DIV32 0 /* QUOS/QUOU/REMS/REMU instructions */ 65 #define XCHAL_HAVE_L32R 1 /* L32R instruction */ 66 #define XCHAL_HAVE_ABSOLUTE_LITERALS 1 /* non-PC-rel (extended) L32R */ 67 #define XCHAL_HAVE_CONST16 0 /* CONST16 instruction */ 68 #define XCHAL_HAVE_ADDX 1 /* ADDX#/SUBX# instructions */ 69 #define XCHAL_HAVE_WIDE_BRANCHES 0 /* B*.W18 or B*.W15 instr's */ 70 #define XCHAL_HAVE_PREDICTED_BRANCHES 0 /* B[EQ/EQZ/NE/NEZ]T instr's */ 71 #define XCHAL_HAVE_CALL4AND12 0 /* (obsolete option) */ 72 #define XCHAL_HAVE_ABS 1 /* ABS instruction */ 73 /*#define XCHAL_HAVE_POPC 0*/ /* POPC instruction */ 74 /*#define XCHAL_HAVE_CRC 0*/ /* CRC instruction */ 75 #define XCHAL_HAVE_RELEASE_SYNC 0 /* L32AI/S32RI instructions */ 76 #define XCHAL_HAVE_S32C1I 0 /* S32C1I instruction */ 77 #define XCHAL_HAVE_SPECULATION 0 /* speculation */ 78 #define XCHAL_HAVE_FULL_RESET 1 /* all regs/state reset */ 79 #define XCHAL_NUM_CONTEXTS 1 /* */ 80 #define XCHAL_NUM_MISC_REGS 0 /* num of scratch regs (0..4) */ 81 #define XCHAL_HAVE_TAP_MASTER 0 /* JTAG TAP control instr's */ 82 #define XCHAL_HAVE_PRID 1 /* processor ID register */ 83 #define XCHAL_HAVE_EXTERN_REGS 1 /* WER/RER instructions */ 84 #define XCHAL_HAVE_MP_INTERRUPTS 0 /* interrupt distributor port */ 85 #define XCHAL_HAVE_MP_RUNSTALL 0 /* core RunStall control port */ 86 #define XCHAL_HAVE_THREADPTR 0 /* THREADPTR register */ 87 #define XCHAL_HAVE_BOOLEANS 0 /* boolean registers */ 88 #define XCHAL_HAVE_CP 0 /* CPENABLE reg (coprocessor) */ 89 #define XCHAL_CP_MAXCFG 0 /* max allowed cp id plus one */ 90 #define XCHAL_HAVE_MAC16 0 /* MAC16 package */ 91 #define XCHAL_HAVE_VECTORFPU2005 0 /* vector floating-point pkg */ 92 #define XCHAL_HAVE_FP 0 /* floating point pkg */ 93 #define XCHAL_HAVE_DFP 0 /* double precision FP pkg */ 94 #define XCHAL_HAVE_DFP_accel 0 /* double precision FP acceleration pkg */ 95 #define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */ 96 #define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */ 97 #define XCHAL_HAVE_HIFIPRO 0 /* HiFiPro Audio Engine pkg */ 98 #define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */ 99 #define XCHAL_HAVE_CONNXD2 0 /* ConnX D2 pkg */ 100 101 102 /*---------------------------------------------------------------------- 103 MISC 104 ----------------------------------------------------------------------*/ 105 106 #define XCHAL_NUM_WRITEBUFFER_ENTRIES 1 /* size of write buffer */ 107 #define XCHAL_INST_FETCH_WIDTH 4 /* instr-fetch width in bytes */ 108 #define XCHAL_DATA_WIDTH 4 /* data width in bytes */ 109 /* In T1050, applies to selected core load and store instructions (see ISA): */ 110 #define XCHAL_UNALIGNED_LOAD_EXCEPTION 1 /* unaligned loads cause exc. */ 111 #define XCHAL_UNALIGNED_STORE_EXCEPTION 1 /* unaligned stores cause exc.*/ 112 #define XCHAL_UNALIGNED_LOAD_HW 0 /* unaligned loads work in hw */ 113 #define XCHAL_UNALIGNED_STORE_HW 0 /* unaligned stores work in hw*/ 114 115 #define XCHAL_SW_VERSION 800001 /* sw version of this header */ 116 117 #define XCHAL_CORE_ID "lx106" /* alphanum core name 118 (CoreID) set in the Xtensa 119 Processor Generator */ 120 121 #define XCHAL_BUILD_UNIQUE_ID 0x0002B6F6 /* 22-bit sw build ID */ 122 123 /* 124 * These definitions describe the hardware targeted by this software. 125 */ 126 #define XCHAL_HW_CONFIGID0 0xC28CDAFA /* ConfigID hi 32 bits*/ 127 #define XCHAL_HW_CONFIGID1 0x1082B6F6 /* ConfigID lo 32 bits*/ 128 #define XCHAL_HW_VERSION_NAME "LX3.0.1" /* full version name */ 129 #define XCHAL_HW_VERSION_MAJOR 2300 /* major ver# of targeted hw */ 130 #define XCHAL_HW_VERSION_MINOR 1 /* minor ver# of targeted hw */ 131 #define XCHAL_HW_VERSION 230001 /* major*100+minor */ 132 #define XCHAL_HW_REL_LX3 1 133 #define XCHAL_HW_REL_LX3_0 1 134 #define XCHAL_HW_REL_LX3_0_1 1 135 #define XCHAL_HW_CONFIGID_RELIABLE 1 136 /* If software targets a *range* of hardware versions, these are the bounds: */ 137 #define XCHAL_HW_MIN_VERSION_MAJOR 2300 /* major v of earliest tgt hw */ 138 #define XCHAL_HW_MIN_VERSION_MINOR 1 /* minor v of earliest tgt hw */ 139 #define XCHAL_HW_MIN_VERSION 230001 /* earliest targeted hw */ 140 #define XCHAL_HW_MAX_VERSION_MAJOR 2300 /* major v of latest tgt hw */ 141 #define XCHAL_HW_MAX_VERSION_MINOR 1 /* minor v of latest tgt hw */ 142 #define XCHAL_HW_MAX_VERSION 230001 /* latest targeted hw */ 143 144 145 /*---------------------------------------------------------------------- 146 CACHE 147 ----------------------------------------------------------------------*/ 148 149 #define XCHAL_ICACHE_LINESIZE 4 /* I-cache line size in bytes */ 150 #define XCHAL_DCACHE_LINESIZE 4 /* D-cache line size in bytes */ 151 #define XCHAL_ICACHE_LINEWIDTH 2 /* log2(I line size in bytes) */ 152 #define XCHAL_DCACHE_LINEWIDTH 2 /* log2(D line size in bytes) */ 153 154 #define XCHAL_ICACHE_SIZE 0 /* I-cache size in bytes or 0 */ 155 #define XCHAL_DCACHE_SIZE 0 /* D-cache size in bytes or 0 */ 156 157 #define XCHAL_DCACHE_IS_WRITEBACK 0 /* writeback feature */ 158 #define XCHAL_DCACHE_IS_COHERENT 0 /* MP coherence feature */ 159 160 #define XCHAL_HAVE_PREFETCH 0 /* PREFCTL register */ 161 162 163 164 165 /**************************************************************************** 166 Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code 167 ****************************************************************************/ 168 169 170 #ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY 171 172 /*---------------------------------------------------------------------- 173 CACHE 174 ----------------------------------------------------------------------*/ 175 176 #define XCHAL_HAVE_PIF 1 /* any outbound PIF present */ 177 178 /* If present, cache size in bytes == (ways * 2^(linewidth + setwidth)). */ 179 180 /* Number of cache sets in log2(lines per way): */ 181 #define XCHAL_ICACHE_SETWIDTH 0 182 #define XCHAL_DCACHE_SETWIDTH 0 183 184 /* Cache set associativity (number of ways): */ 185 #define XCHAL_ICACHE_WAYS 1 186 #define XCHAL_DCACHE_WAYS 1 187 188 /* Cache features: */ 189 #define XCHAL_ICACHE_LINE_LOCKABLE 0 190 #define XCHAL_DCACHE_LINE_LOCKABLE 0 191 #define XCHAL_ICACHE_ECC_PARITY 0 192 #define XCHAL_DCACHE_ECC_PARITY 0 193 194 /* Cache access size in bytes (affects operation of SICW instruction): */ 195 #define XCHAL_ICACHE_ACCESS_SIZE 1 196 #define XCHAL_DCACHE_ACCESS_SIZE 1 197 198 /* Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits): */ 199 #define XCHAL_CA_BITS 4 200 201 202 /*---------------------------------------------------------------------- 203 INTERNAL I/D RAM/ROMs and XLMI 204 ----------------------------------------------------------------------*/ 205 206 #define XCHAL_NUM_INSTROM 1 /* number of core instr. ROMs */ 207 #define XCHAL_NUM_INSTRAM 2 /* number of core instr. RAMs */ 208 #define XCHAL_NUM_DATAROM 1 /* number of core data ROMs */ 209 #define XCHAL_NUM_DATARAM 2 /* number of core data RAMs */ 210 #define XCHAL_NUM_URAM 0 /* number of core unified RAMs*/ 211 #define XCHAL_NUM_XLMI 1 /* number of core XLMI ports */ 212 213 /* Instruction ROM 0: */ 214 #define XCHAL_INSTROM0_VADDR 0x40200000 215 #define XCHAL_INSTROM0_PADDR 0x40200000 216 // #define XCHAL_INSTROM0_VADDR 0x400000 217 // #define XCHAL_INSTROM0_PADDR 0x400000 218 #define XCHAL_INSTROM0_SIZE 1048576 219 #define XCHAL_INSTROM0_ECC_PARITY 0 220 221 /* Instruction RAM 0: */ 222 #define XCHAL_INSTRAM0_VADDR 0x40000000 223 #define XCHAL_INSTRAM0_PADDR 0x40000000 224 #define XCHAL_INSTRAM0_SIZE 1048576 225 #define XCHAL_INSTRAM0_ECC_PARITY 0 226 227 /* Instruction RAM 1: */ 228 #define XCHAL_INSTRAM1_VADDR 0x40100000 229 #define XCHAL_INSTRAM1_PADDR 0x40100000 230 #define XCHAL_INSTRAM1_SIZE 1048576 231 #define XCHAL_INSTRAM1_ECC_PARITY 0 232 233 /* Data ROM 0: */ 234 #define XCHAL_DATAROM0_VADDR 0x3FF40000 235 #define XCHAL_DATAROM0_PADDR 0x3FF40000 236 #define XCHAL_DATAROM0_SIZE 262144 237 #define XCHAL_DATAROM0_ECC_PARITY 0 238 239 /* Data RAM 0: */ 240 #define XCHAL_DATARAM0_VADDR 0x3FFC0000 241 #define XCHAL_DATARAM0_PADDR 0x3FFC0000 242 #define XCHAL_DATARAM0_SIZE 262144 243 #define XCHAL_DATARAM0_ECC_PARITY 0 244 245 /* Data RAM 1: */ 246 #define XCHAL_DATARAM1_VADDR 0x3FF80000 247 #define XCHAL_DATARAM1_PADDR 0x3FF80000 248 #define XCHAL_DATARAM1_SIZE 262144 249 #define XCHAL_DATARAM1_ECC_PARITY 0 250 251 /* XLMI Port 0: */ 252 #define XCHAL_XLMI0_VADDR 0x3FF00000 253 #define XCHAL_XLMI0_PADDR 0x3FF00000 254 #define XCHAL_XLMI0_SIZE 262144 255 #define XCHAL_XLMI0_ECC_PARITY 0 256 257 258 /*---------------------------------------------------------------------- 259 INTERRUPTS and TIMERS 260 ----------------------------------------------------------------------*/ 261 262 #define XCHAL_HAVE_INTERRUPTS 1 /* interrupt option */ 263 #define XCHAL_HAVE_HIGHPRI_INTERRUPTS 1 /* med/high-pri. interrupts */ 264 #define XCHAL_HAVE_NMI 1 /* non-maskable interrupt */ 265 #define XCHAL_HAVE_CCOUNT 1 /* CCOUNT reg. (timer option) */ 266 #define XCHAL_NUM_TIMERS 1 /* number of CCOMPAREn regs */ 267 #define XCHAL_NUM_INTERRUPTS 15 /* number of interrupts */ 268 #define XCHAL_NUM_INTERRUPTS_LOG2 4 /* ceil(log2(NUM_INTERRUPTS)) */ 269 #define XCHAL_NUM_EXTINTERRUPTS 13 /* num of external interrupts */ 270 #define XCHAL_NUM_INTLEVELS 2 /* number of interrupt levels 271 (not including level zero) */ 272 #define XCHAL_EXCM_LEVEL 1 /* level masked by PS.EXCM */ 273 /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */ 274 275 /* Masks of interrupts at each interrupt level: */ 276 #define XCHAL_INTLEVEL1_MASK 0x00003FFF 277 #define XCHAL_INTLEVEL2_MASK 0x00000000 278 #define XCHAL_INTLEVEL3_MASK 0x00004000 279 #define XCHAL_INTLEVEL4_MASK 0x00000000 280 #define XCHAL_INTLEVEL5_MASK 0x00000000 281 #define XCHAL_INTLEVEL6_MASK 0x00000000 282 #define XCHAL_INTLEVEL7_MASK 0x00000000 283 284 /* Masks of interrupts at each range 1..n of interrupt levels: */ 285 #define XCHAL_INTLEVEL1_ANDBELOW_MASK 0x00003FFF 286 #define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x00003FFF 287 #define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x00007FFF 288 #define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x00007FFF 289 #define XCHAL_INTLEVEL5_ANDBELOW_MASK 0x00007FFF 290 #define XCHAL_INTLEVEL6_ANDBELOW_MASK 0x00007FFF 291 #define XCHAL_INTLEVEL7_ANDBELOW_MASK 0x00007FFF 292 293 /* Level of each interrupt: */ 294 #define XCHAL_INT0_LEVEL 1 295 #define XCHAL_INT1_LEVEL 1 296 #define XCHAL_INT2_LEVEL 1 297 #define XCHAL_INT3_LEVEL 1 298 #define XCHAL_INT4_LEVEL 1 299 #define XCHAL_INT5_LEVEL 1 300 #define XCHAL_INT6_LEVEL 1 301 #define XCHAL_INT7_LEVEL 1 302 #define XCHAL_INT8_LEVEL 1 303 #define XCHAL_INT9_LEVEL 1 304 #define XCHAL_INT10_LEVEL 1 305 #define XCHAL_INT11_LEVEL 1 306 #define XCHAL_INT12_LEVEL 1 307 #define XCHAL_INT13_LEVEL 1 308 #define XCHAL_INT14_LEVEL 3 309 #define XCHAL_DEBUGLEVEL 2 /* debug interrupt level */ 310 #define XCHAL_HAVE_DEBUG_EXTERN_INT 1 /* OCD external db interrupt */ 311 #define XCHAL_NMILEVEL 3 /* NMI "level" (for use with 312 EXCSAVE/EPS/EPC_n, RFI n) */ 313 314 /* Type of each interrupt: */ 315 #define XCHAL_INT0_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 316 #define XCHAL_INT1_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 317 #define XCHAL_INT2_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 318 #define XCHAL_INT3_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 319 #define XCHAL_INT4_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 320 #define XCHAL_INT5_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 321 #define XCHAL_INT6_TYPE XTHAL_INTTYPE_TIMER 322 #define XCHAL_INT7_TYPE XTHAL_INTTYPE_SOFTWARE 323 #define XCHAL_INT8_TYPE XTHAL_INTTYPE_EXTERN_EDGE 324 #define XCHAL_INT9_TYPE XTHAL_INTTYPE_EXTERN_EDGE 325 #define XCHAL_INT10_TYPE XTHAL_INTTYPE_EXTERN_EDGE 326 #define XCHAL_INT11_TYPE XTHAL_INTTYPE_EXTERN_EDGE 327 #define XCHAL_INT12_TYPE XTHAL_INTTYPE_EXTERN_EDGE 328 #define XCHAL_INT13_TYPE XTHAL_INTTYPE_EXTERN_EDGE 329 #define XCHAL_INT14_TYPE XTHAL_INTTYPE_NMI 330 331 /* Masks of interrupts for each type of interrupt: */ 332 #define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFFF8000 333 #define XCHAL_INTTYPE_MASK_SOFTWARE 0x00000080 334 #define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x00003F00 335 #define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000003F 336 #define XCHAL_INTTYPE_MASK_TIMER 0x00000040 337 #define XCHAL_INTTYPE_MASK_NMI 0x00004000 338 #define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000 339 340 /* Interrupt numbers assigned to specific interrupt sources: */ 341 #define XCHAL_TIMER0_INTERRUPT 6 /* CCOMPARE0 */ 342 #define XCHAL_TIMER1_INTERRUPT XTHAL_TIMER_UNCONFIGURED 343 #define XCHAL_TIMER2_INTERRUPT XTHAL_TIMER_UNCONFIGURED 344 #define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED 345 #define XCHAL_NMI_INTERRUPT 14 /* non-maskable interrupt */ 346 347 /* Interrupt numbers for levels at which only one interrupt is configured: */ 348 #define XCHAL_INTLEVEL3_NUM 14 349 /* (There are many interrupts each at level(s) 1.) */ 350 351 352 /* 353 * External interrupt vectors/levels. 354 * These macros describe how Xtensa processor interrupt numbers 355 * (as numbered internally, eg. in INTERRUPT and INTENABLE registers) 356 * map to external BInterrupt<n> pins, for those interrupts 357 * configured as external (level-triggered, edge-triggered, or NMI). 358 * See the Xtensa processor databook for more details. 359 */ 360 361 /* Core interrupt numbers mapped to each EXTERNAL interrupt number: */ 362 #define XCHAL_EXTINT0_NUM 0 /* (intlevel 1) */ 363 #define XCHAL_EXTINT1_NUM 1 /* (intlevel 1) */ 364 #define XCHAL_EXTINT2_NUM 2 /* (intlevel 1) */ 365 #define XCHAL_EXTINT3_NUM 3 /* (intlevel 1) */ 366 #define XCHAL_EXTINT4_NUM 4 /* (intlevel 1) */ 367 #define XCHAL_EXTINT5_NUM 5 /* (intlevel 1) */ 368 #define XCHAL_EXTINT6_NUM 8 /* (intlevel 1) */ 369 #define XCHAL_EXTINT7_NUM 9 /* (intlevel 1) */ 370 #define XCHAL_EXTINT8_NUM 10 /* (intlevel 1) */ 371 #define XCHAL_EXTINT9_NUM 11 /* (intlevel 1) */ 372 #define XCHAL_EXTINT10_NUM 12 /* (intlevel 1) */ 373 #define XCHAL_EXTINT11_NUM 13 /* (intlevel 1) */ 374 #define XCHAL_EXTINT12_NUM 14 /* (intlevel 3) */ 375 376 377 /*---------------------------------------------------------------------- 378 EXCEPTIONS and VECTORS 379 ----------------------------------------------------------------------*/ 380 381 #define XCHAL_XEA_VERSION 2 /* Xtensa Exception Architecture 382 number: 1 == XEA1 (old) 383 2 == XEA2 (new) 384 0 == XEAX (extern) */ 385 #define XCHAL_HAVE_XEA1 0 /* Exception Architecture 1 */ 386 #define XCHAL_HAVE_XEA2 1 /* Exception Architecture 2 */ 387 #define XCHAL_HAVE_XEAX 0 /* External Exception Arch. */ 388 #define XCHAL_HAVE_EXCEPTIONS 1 /* exception option */ 389 #define XCHAL_HAVE_MEM_ECC_PARITY 0 /* local memory ECC/parity */ 390 #define XCHAL_HAVE_VECTOR_SELECT 1 /* relocatable vectors */ 391 #define XCHAL_HAVE_VECBASE 1 /* relocatable vectors */ 392 #define XCHAL_VECBASE_RESET_VADDR 0x40000000 /* VECBASE reset value */ 393 #define XCHAL_VECBASE_RESET_PADDR 0x40000000 394 #define XCHAL_RESET_VECBASE_OVERLAP 0 395 396 #define XCHAL_RESET_VECTOR0_VADDR 0x50000000 397 #define XCHAL_RESET_VECTOR0_PADDR 0x50000000 398 #define XCHAL_RESET_VECTOR1_VADDR 0x40000080 399 #define XCHAL_RESET_VECTOR1_PADDR 0x40000080 400 #define XCHAL_RESET_VECTOR_VADDR 0x50000000 401 #define XCHAL_RESET_VECTOR_PADDR 0x50000000 402 403 // #define XCHAL_RESET_VECTOR0_VADDR 0x4000f8 404 // #define XCHAL_RESET_VECTOR0_PADDR 0x4000f8 405 // #define XCHAL_RESET_VECTOR1_VADDR 0x40000080 406 // #define XCHAL_RESET_VECTOR1_PADDR 0x40000080 407 // #define XCHAL_RESET_VECTOR_VADDR 0x4000f8 408 // #define XCHAL_RESET_VECTOR_PADDR 0x4000f8 409 410 411 #define XCHAL_USER_VECOFS 0x00000050 412 #define XCHAL_USER_VECTOR_VADDR 0x40000050 413 #define XCHAL_USER_VECTOR_PADDR 0x40000050 414 #define XCHAL_KERNEL_VECOFS 0x00000030 415 #define XCHAL_KERNEL_VECTOR_VADDR 0x40000030 416 #define XCHAL_KERNEL_VECTOR_PADDR 0x40000030 417 #define XCHAL_DOUBLEEXC_VECOFS 0x00000070 418 #define XCHAL_DOUBLEEXC_VECTOR_VADDR 0x40000070 419 #define XCHAL_DOUBLEEXC_VECTOR_PADDR 0x40000070 420 #define XCHAL_INTLEVEL2_VECOFS 0x00000010 421 #define XCHAL_INTLEVEL2_VECTOR_VADDR 0x40000010 422 #define XCHAL_INTLEVEL2_VECTOR_PADDR 0x40000010 423 #define XCHAL_DEBUG_VECOFS XCHAL_INTLEVEL2_VECOFS 424 #define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL2_VECTOR_VADDR 425 #define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL2_VECTOR_PADDR 426 #define XCHAL_NMI_VECOFS 0x00000020 427 #define XCHAL_NMI_VECTOR_VADDR 0x40000020 428 #define XCHAL_NMI_VECTOR_PADDR 0x40000020 429 #define XCHAL_INTLEVEL3_VECOFS XCHAL_NMI_VECOFS 430 #define XCHAL_INTLEVEL3_VECTOR_VADDR XCHAL_NMI_VECTOR_VADDR 431 #define XCHAL_INTLEVEL3_VECTOR_PADDR XCHAL_NMI_VECTOR_PADDR 432 433 434 /*---------------------------------------------------------------------- 435 DEBUG 436 ----------------------------------------------------------------------*/ 437 438 #define XCHAL_HAVE_OCD 1 /* OnChipDebug option */ 439 #define XCHAL_NUM_IBREAK 1 /* number of IBREAKn regs */ 440 #define XCHAL_NUM_DBREAK 1 /* number of DBREAKn regs */ 441 #define XCHAL_HAVE_OCD_DIR_ARRAY 0 /* faster OCD option */ 442 443 444 /*---------------------------------------------------------------------- 445 MMU 446 ----------------------------------------------------------------------*/ 447 448 /* See core-matmap.h header file for more details. */ 449 450 #define XCHAL_HAVE_TLBS 1 /* inverse of HAVE_CACHEATTR */ 451 #define XCHAL_HAVE_SPANNING_WAY 1 /* one way maps I+D 4GB vaddr */ 452 #define XCHAL_SPANNING_WAY 0 /* TLB spanning way number */ 453 #define XCHAL_HAVE_IDENTITY_MAP 1 /* vaddr == paddr always */ 454 #define XCHAL_HAVE_CACHEATTR 0 /* CACHEATTR register present */ 455 #define XCHAL_HAVE_MIMIC_CACHEATTR 1 /* region protection */ 456 #define XCHAL_HAVE_XLT_CACHEATTR 0 /* region prot. w/translation */ 457 #define XCHAL_HAVE_PTP_MMU 0 /* full MMU (with page table 458 [autorefill] and protection) 459 usable for an MMU-based OS */ 460 /* If none of the above last 4 are set, it's a custom TLB configuration. */ 461 462 #define XCHAL_MMU_ASID_BITS 0 /* number of bits in ASIDs */ 463 #define XCHAL_MMU_RINGS 1 /* number of rings (1..4) */ 464 #define XCHAL_MMU_RING_BITS 0 /* num of bits in RING field */ 465 466 #endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */ 467 468 469 #endif /* _XTENSA_CORE_CONFIGURATION_H */ 470 471