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) 1999-2015 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 1 /* windowed registers option */ 51 #define XCHAL_NUM_AREGS 32 /* num of physical addr regs */ 52 #define XCHAL_NUM_AREGS_LOG2 5 /* 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 1 /* zero-overhead loops */ 57 #define XCHAL_LOOP_BUFFER_SIZE 0 /* zero-ov. loop instr buffer size */ 58 #define XCHAL_HAVE_NSA 1 /* NSA/NSAU instructions */ 59 #define XCHAL_HAVE_MINMAX 1 /* MIN/MAX instructions */ 60 #define XCHAL_HAVE_SEXT 1 /* SEXT instruction */ 61 #define XCHAL_HAVE_DEPBITS 0 /* DEPBITS instruction */ 62 #define XCHAL_HAVE_CLAMPS 1 /* CLAMPS instruction */ 63 #define XCHAL_HAVE_MUL16 1 /* MUL16S/MUL16U instructions */ 64 #define XCHAL_HAVE_MUL32 1 /* MULL instruction */ 65 #define XCHAL_HAVE_MUL32_HIGH 0 /* MULUH/MULSH instructions */ 66 #define XCHAL_HAVE_DIV32 1 /* QUOS/QUOU/REMS/REMU instructions */ 67 #define XCHAL_HAVE_L32R 1 /* L32R instruction */ 68 #define XCHAL_HAVE_ABSOLUTE_LITERALS 0 /* non-PC-rel (extended) L32R */ 69 #define XCHAL_HAVE_CONST16 0 /* CONST16 instruction */ 70 #define XCHAL_HAVE_ADDX 1 /* ADDX#/SUBX# instructions */ 71 #define XCHAL_HAVE_WIDE_BRANCHES 0 /* B*.W18 or B*.W15 instr's */ 72 #define XCHAL_HAVE_PREDICTED_BRANCHES 0 /* B[EQ/EQZ/NE/NEZ]T instr's */ 73 #define XCHAL_HAVE_CALL4AND12 1 /* (obsolete option) */ 74 #define XCHAL_HAVE_ABS 1 /* ABS instruction */ 75 /*#define XCHAL_HAVE_POPC 0*/ /* POPC instruction */ 76 /*#define XCHAL_HAVE_CRC 0*/ /* CRC instruction */ 77 #define XCHAL_HAVE_RELEASE_SYNC 1 /* L32AI/S32RI instructions */ 78 #define XCHAL_HAVE_S32C1I 1 /* S32C1I instruction */ 79 #define XCHAL_HAVE_SPECULATION 0 /* speculation */ 80 #define XCHAL_HAVE_FULL_RESET 1 /* all regs/state reset */ 81 #define XCHAL_NUM_CONTEXTS 1 /* */ 82 #define XCHAL_NUM_MISC_REGS 2 /* num of scratch regs (0..4) */ 83 #define XCHAL_HAVE_TAP_MASTER 0 /* JTAG TAP control instr's */ 84 #define XCHAL_HAVE_PRID 1 /* processor ID register */ 85 #define XCHAL_HAVE_EXTERN_REGS 1 /* WER/RER instructions */ 86 #define XCHAL_HAVE_MX 0 /* MX core (Tensilica internal) */ 87 #define XCHAL_HAVE_MP_INTERRUPTS 0 /* interrupt distributor port */ 88 #define XCHAL_HAVE_MP_RUNSTALL 0 /* core RunStall control port */ 89 #define XCHAL_HAVE_PSO 0 /* Power Shut-Off */ 90 #define XCHAL_HAVE_PSO_CDM 0 /* core/debug/mem pwr domains */ 91 #define XCHAL_HAVE_PSO_FULL_RETENTION 0 /* all regs preserved on PSO */ 92 #define XCHAL_HAVE_THREADPTR 0 /* THREADPTR register */ 93 #define XCHAL_HAVE_BOOLEANS 0 /* boolean registers */ 94 #define XCHAL_HAVE_CP 0 /* CPENABLE reg (coprocessor) */ 95 #define XCHAL_CP_MAXCFG 0 /* max allowed cp id plus one */ 96 #define XCHAL_HAVE_MAC16 1 /* MAC16 package */ 97 98 #define XCHAL_HAVE_FUSION 0 /* Fusion*/ 99 #define XCHAL_HAVE_FUSION_FP 0 /* Fusion FP option */ 100 #define XCHAL_HAVE_FUSION_LOW_POWER 0 /* Fusion Low Power option */ 101 #define XCHAL_HAVE_FUSION_AES 0 /* Fusion BLE/Wifi AES-128 CCM option */ 102 #define XCHAL_HAVE_FUSION_CONVENC 0 /* Fusion Conv Encode option */ 103 #define XCHAL_HAVE_FUSION_LFSR_CRC 0 /* Fusion LFSR-CRC option */ 104 #define XCHAL_HAVE_FUSION_BITOPS 0 /* Fusion Bit Operations Support option */ 105 #define XCHAL_HAVE_FUSION_AVS 0 /* Fusion AVS option */ 106 #define XCHAL_HAVE_FUSION_16BIT_BASEBAND 0 /* Fusion 16-bit Baseband option */ 107 #define XCHAL_HAVE_HIFIPRO 0 /* HiFiPro Audio Engine pkg */ 108 #define XCHAL_HAVE_HIFI4 0 /* HiFi4 Audio Engine pkg */ 109 #define XCHAL_HAVE_HIFI4_VFPU 0 /* HiFi4 Audio Engine VFPU option */ 110 #define XCHAL_HAVE_HIFI3 0 /* HiFi3 Audio Engine pkg */ 111 #define XCHAL_HAVE_HIFI3_VFPU 0 /* HiFi3 Audio Engine VFPU option */ 112 #define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */ 113 #define XCHAL_HAVE_HIFI2EP 0 /* HiFi2EP */ 114 #define XCHAL_HAVE_HIFI_MINI 0 115 116 117 #define XCHAL_HAVE_VECTORFPU2005 0 /* vector or user floating-point pkg */ 118 #define XCHAL_HAVE_USER_DPFPU 0 /* user DP floating-point pkg */ 119 #define XCHAL_HAVE_USER_SPFPU 0 /* user DP floating-point pkg */ 120 #define XCHAL_HAVE_FP 0 /* single prec floating point */ 121 #define XCHAL_HAVE_FP_DIV 0 /* FP with DIV instructions */ 122 #define XCHAL_HAVE_FP_RECIP 0 /* FP with RECIP instructions */ 123 #define XCHAL_HAVE_FP_SQRT 0 /* FP with SQRT instructions */ 124 #define XCHAL_HAVE_FP_RSQRT 0 /* FP with RSQRT instructions */ 125 #define XCHAL_HAVE_DFP 0 /* double precision FP pkg */ 126 #define XCHAL_HAVE_DFP_DIV 0 /* DFP with DIV instructions */ 127 #define XCHAL_HAVE_DFP_RECIP 0 /* DFP with RECIP instructions*/ 128 #define XCHAL_HAVE_DFP_SQRT 0 /* DFP with SQRT instructions */ 129 #define XCHAL_HAVE_DFP_RSQRT 0 /* DFP with RSQRT instructions*/ 130 #define XCHAL_HAVE_DFP_ACCEL 0 /* double precision FP acceleration pkg */ 131 #define XCHAL_HAVE_DFP_accel XCHAL_HAVE_DFP_ACCEL /* for backward compatibility */ 132 133 #define XCHAL_HAVE_DFPU_SINGLE_ONLY 0 /* DFPU Coprocessor, single precision only */ 134 #define XCHAL_HAVE_DFPU_SINGLE_DOUBLE 0 /* DFPU Coprocessor, single and double precision */ 135 #define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */ 136 #define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */ 137 #define XCHAL_HAVE_PDX4 0 /* PDX4 */ 138 #define XCHAL_HAVE_CONNXD2 0 /* ConnX D2 pkg */ 139 #define XCHAL_HAVE_CONNXD2_DUALLSFLIX 0 /* ConnX D2 & Dual LoadStore Flix */ 140 #define XCHAL_HAVE_BBE16 0 /* ConnX BBE16 pkg */ 141 #define XCHAL_HAVE_BBE16_RSQRT 0 /* BBE16 & vector recip sqrt */ 142 #define XCHAL_HAVE_BBE16_VECDIV 0 /* BBE16 & vector divide */ 143 #define XCHAL_HAVE_BBE16_DESPREAD 0 /* BBE16 & despread */ 144 #define XCHAL_HAVE_BBENEP 0 /* ConnX BBENEP pkgs */ 145 #define XCHAL_HAVE_BSP3 0 /* ConnX BSP3 pkg */ 146 #define XCHAL_HAVE_BSP3_TRANSPOSE 0 /* BSP3 & transpose32x32 */ 147 #define XCHAL_HAVE_SSP16 0 /* ConnX SSP16 pkg */ 148 #define XCHAL_HAVE_SSP16_VITERBI 0 /* SSP16 & viterbi */ 149 #define XCHAL_HAVE_TURBO16 0 /* ConnX Turbo16 pkg */ 150 #define XCHAL_HAVE_BBP16 0 /* ConnX BBP16 pkg */ 151 #define XCHAL_HAVE_FLIX3 0 /* basic 3-way FLIX option */ 152 #define XCHAL_HAVE_GRIVPEP 0 /* GRIVPEP is General Release of IVPEP */ 153 #define XCHAL_HAVE_GRIVPEP_HISTOGRAM 0 /* Histogram option on GRIVPEP */ 154 155 156 /*---------------------------------------------------------------------- 157 MISC 158 ----------------------------------------------------------------------*/ 159 160 #define XCHAL_NUM_LOADSTORE_UNITS 1 /* load/store units */ 161 #define XCHAL_NUM_WRITEBUFFER_ENTRIES 8 /* size of write buffer */ 162 #define XCHAL_INST_FETCH_WIDTH 4 /* instr-fetch width in bytes */ 163 #define XCHAL_DATA_WIDTH 4 /* data width in bytes */ 164 #define XCHAL_DATA_PIPE_DELAY 1 /* d-side pipeline delay 165 (1 = 5-stage, 2 = 7-stage) */ 166 #define XCHAL_CLOCK_GATING_GLOBAL 0 /* global clock gating */ 167 #define XCHAL_CLOCK_GATING_FUNCUNIT 0 /* funct. unit clock gating */ 168 /* In T1050, applies to selected core load and store instructions (see ISA): */ 169 #define XCHAL_UNALIGNED_LOAD_EXCEPTION 1 /* unaligned loads cause exc. */ 170 #define XCHAL_UNALIGNED_STORE_EXCEPTION 1 /* unaligned stores cause exc.*/ 171 #define XCHAL_UNALIGNED_LOAD_HW 0 /* unaligned loads work in hw */ 172 #define XCHAL_UNALIGNED_STORE_HW 0 /* unaligned stores work in hw*/ 173 174 #define XCHAL_SW_VERSION 1100002 /* sw version of this header */ 175 176 #define XCHAL_CORE_ID "de212" /* alphanum core name 177 (CoreID) set in the Xtensa 178 Processor Generator */ 179 180 #define XCHAL_BUILD_UNIQUE_ID 0x0005A985 /* 22-bit sw build ID */ 181 182 /* 183 * These definitions describe the hardware targeted by this software. 184 */ 185 #define XCHAL_HW_CONFIGID0 0xC283DFFE /* ConfigID hi 32 bits*/ 186 #define XCHAL_HW_CONFIGID1 0x1C85A985 /* ConfigID lo 32 bits*/ 187 #define XCHAL_HW_VERSION_NAME "LX6.0.2" /* full version name */ 188 #define XCHAL_HW_VERSION_MAJOR 2600 /* major ver# of targeted hw */ 189 #define XCHAL_HW_VERSION_MINOR 2 /* minor ver# of targeted hw */ 190 #define XCHAL_HW_VERSION 260002 /* major*100+minor */ 191 #define XCHAL_HW_REL_LX6 1 192 #define XCHAL_HW_REL_LX6_0 1 193 #define XCHAL_HW_REL_LX6_0_2 1 194 #define XCHAL_HW_CONFIGID_RELIABLE 1 195 /* If software targets a *range* of hardware versions, these are the bounds: */ 196 #define XCHAL_HW_MIN_VERSION_MAJOR 2600 /* major v of earliest tgt hw */ 197 #define XCHAL_HW_MIN_VERSION_MINOR 2 /* minor v of earliest tgt hw */ 198 #define XCHAL_HW_MIN_VERSION 260002 /* earliest targeted hw */ 199 #define XCHAL_HW_MAX_VERSION_MAJOR 2600 /* major v of latest tgt hw */ 200 #define XCHAL_HW_MAX_VERSION_MINOR 2 /* minor v of latest tgt hw */ 201 #define XCHAL_HW_MAX_VERSION 260002 /* latest targeted hw */ 202 203 204 /*---------------------------------------------------------------------- 205 CACHE 206 ----------------------------------------------------------------------*/ 207 208 #define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */ 209 #define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */ 210 #define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */ 211 #define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */ 212 213 #define XCHAL_ICACHE_SIZE 8192 /* I-cache size in bytes or 0 */ 214 #define XCHAL_DCACHE_SIZE 8192 /* D-cache size in bytes or 0 */ 215 216 #define XCHAL_DCACHE_IS_WRITEBACK 1 /* writeback feature */ 217 #define XCHAL_DCACHE_IS_COHERENT 0 /* MP coherence feature */ 218 219 #define XCHAL_HAVE_PREFETCH 0 /* PREFCTL register */ 220 #define XCHAL_HAVE_PREFETCH_L1 0 /* prefetch to L1 dcache */ 221 #define XCHAL_PREFETCH_CASTOUT_LINES 0 /* dcache pref. castout bufsz */ 222 #define XCHAL_PREFETCH_ENTRIES 0 /* cache prefetch entries */ 223 #define XCHAL_PREFETCH_BLOCK_ENTRIES 0 /* prefetch block streams */ 224 #define XCHAL_HAVE_CACHE_BLOCKOPS 0 /* block prefetch for caches */ 225 #define XCHAL_HAVE_ICACHE_TEST 1 /* Icache test instructions */ 226 #define XCHAL_HAVE_DCACHE_TEST 1 /* Dcache test instructions */ 227 #define XCHAL_HAVE_ICACHE_DYN_WAYS 0 /* Icache dynamic way support */ 228 #define XCHAL_HAVE_DCACHE_DYN_WAYS 0 /* Dcache dynamic way support */ 229 230 231 232 233 /**************************************************************************** 234 Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code 235 ****************************************************************************/ 236 237 238 #ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY 239 240 /*---------------------------------------------------------------------- 241 CACHE 242 ----------------------------------------------------------------------*/ 243 244 #define XCHAL_HAVE_PIF 1 /* any outbound PIF present */ 245 246 /* If present, cache size in bytes == (ways * 2^(linewidth + setwidth)). */ 247 248 /* Number of cache sets in log2(lines per way): */ 249 #define XCHAL_ICACHE_SETWIDTH 7 250 #define XCHAL_DCACHE_SETWIDTH 7 251 252 /* Cache set associativity (number of ways): */ 253 #define XCHAL_ICACHE_WAYS 2 254 #define XCHAL_DCACHE_WAYS 2 255 256 /* Cache features: */ 257 #define XCHAL_ICACHE_LINE_LOCKABLE 1 258 #define XCHAL_DCACHE_LINE_LOCKABLE 1 259 #define XCHAL_ICACHE_ECC_PARITY 0 260 #define XCHAL_DCACHE_ECC_PARITY 0 261 262 /* Cache access size in bytes (affects operation of SICW instruction): */ 263 #define XCHAL_ICACHE_ACCESS_SIZE 4 264 #define XCHAL_DCACHE_ACCESS_SIZE 4 265 266 #define XCHAL_DCACHE_BANKS 1 /* number of banks */ 267 268 /* Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits): */ 269 #define XCHAL_CA_BITS 4 270 271 /* Whether MEMCTL register has anything useful */ 272 #define XCHAL_USE_MEMCTL (((XCHAL_LOOP_BUFFER_SIZE > 0) || \ 273 XCHAL_DCACHE_IS_COHERENT || \ 274 XCHAL_HAVE_ICACHE_DYN_WAYS || \ 275 XCHAL_HAVE_DCACHE_DYN_WAYS) && \ 276 (XCHAL_HW_MIN_VERSION >= XTENSA_HWVERSION_RE_2012_0)) 277 278 279 /*---------------------------------------------------------------------- 280 INTERNAL I/D RAM/ROMs and XLMI 281 ----------------------------------------------------------------------*/ 282 283 #define XCHAL_NUM_INSTROM 0 /* number of core instr. ROMs */ 284 #define XCHAL_NUM_INSTRAM 1 /* number of core instr. RAMs */ 285 #define XCHAL_NUM_DATAROM 0 /* number of core data ROMs */ 286 #define XCHAL_NUM_DATARAM 1 /* number of core data RAMs */ 287 #define XCHAL_NUM_URAM 0 /* number of core unified RAMs*/ 288 #define XCHAL_NUM_XLMI 1 /* number of core XLMI ports */ 289 290 /* Instruction RAM 0: */ 291 #define XCHAL_INSTRAM0_VADDR 0x40000000 /* virtual address */ 292 #define XCHAL_INSTRAM0_PADDR 0x40000000 /* physical address */ 293 #define XCHAL_INSTRAM0_SIZE 131072 /* size in bytes */ 294 #define XCHAL_INSTRAM0_ECC_PARITY 0 /* ECC/parity type, 0=none */ 295 296 /* Data RAM 0: */ 297 #define XCHAL_DATARAM0_VADDR 0x3FFE0000 /* virtual address */ 298 #define XCHAL_DATARAM0_PADDR 0x3FFE0000 /* physical address */ 299 #define XCHAL_DATARAM0_SIZE 131072 /* size in bytes */ 300 #define XCHAL_DATARAM0_ECC_PARITY 0 /* ECC/parity type, 0=none */ 301 #define XCHAL_DATARAM0_BANKS 1 /* number of banks */ 302 303 /* XLMI Port 0: */ 304 #define XCHAL_XLMI0_VADDR 0x3FFC0000 /* virtual address */ 305 #define XCHAL_XLMI0_PADDR 0x3FFC0000 /* physical address */ 306 #define XCHAL_XLMI0_SIZE 131072 /* size in bytes */ 307 #define XCHAL_XLMI0_ECC_PARITY 0 /* ECC/parity type, 0=none */ 308 309 #define XCHAL_HAVE_IMEM_LOADSTORE 1 /* can load/store to IROM/IRAM*/ 310 311 312 /*---------------------------------------------------------------------- 313 INTERRUPTS and TIMERS 314 ----------------------------------------------------------------------*/ 315 316 #define XCHAL_HAVE_INTERRUPTS 1 /* interrupt option */ 317 #define XCHAL_HAVE_HIGHPRI_INTERRUPTS 1 /* med/high-pri. interrupts */ 318 #define XCHAL_HAVE_NMI 1 /* non-maskable interrupt */ 319 #define XCHAL_HAVE_CCOUNT 1 /* CCOUNT reg. (timer option) */ 320 #define XCHAL_NUM_TIMERS 3 /* number of CCOMPAREn regs */ 321 #define XCHAL_NUM_INTERRUPTS 22 /* number of interrupts */ 322 #define XCHAL_NUM_INTERRUPTS_LOG2 5 /* ceil(log2(NUM_INTERRUPTS)) */ 323 #define XCHAL_NUM_EXTINTERRUPTS 17 /* num of external interrupts */ 324 #define XCHAL_NUM_INTLEVELS 6 /* number of interrupt levels 325 (not including level zero) */ 326 #define XCHAL_EXCM_LEVEL 3 /* level masked by PS.EXCM */ 327 /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */ 328 329 /* Masks of interrupts at each interrupt level: */ 330 #define XCHAL_INTLEVEL1_MASK 0x001F80FF 331 #define XCHAL_INTLEVEL2_MASK 0x00000100 332 #define XCHAL_INTLEVEL3_MASK 0x00200E00 333 #define XCHAL_INTLEVEL4_MASK 0x00001000 334 #define XCHAL_INTLEVEL5_MASK 0x00002000 335 #define XCHAL_INTLEVEL6_MASK 0x00000000 336 #define XCHAL_INTLEVEL7_MASK 0x00004000 337 338 /* Masks of interrupts at each range 1..n of interrupt levels: */ 339 #define XCHAL_INTLEVEL1_ANDBELOW_MASK 0x001F80FF 340 #define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x001F81FF 341 #define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x003F8FFF 342 #define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x003F9FFF 343 #define XCHAL_INTLEVEL5_ANDBELOW_MASK 0x003FBFFF 344 #define XCHAL_INTLEVEL6_ANDBELOW_MASK 0x003FBFFF 345 #define XCHAL_INTLEVEL7_ANDBELOW_MASK 0x003FFFFF 346 347 /* Level of each interrupt: */ 348 #define XCHAL_INT0_LEVEL 1 349 #define XCHAL_INT1_LEVEL 1 350 #define XCHAL_INT2_LEVEL 1 351 #define XCHAL_INT3_LEVEL 1 352 #define XCHAL_INT4_LEVEL 1 353 #define XCHAL_INT5_LEVEL 1 354 #define XCHAL_INT6_LEVEL 1 355 #define XCHAL_INT7_LEVEL 1 356 #define XCHAL_INT8_LEVEL 2 357 #define XCHAL_INT9_LEVEL 3 358 #define XCHAL_INT10_LEVEL 3 359 #define XCHAL_INT11_LEVEL 3 360 #define XCHAL_INT12_LEVEL 4 361 #define XCHAL_INT13_LEVEL 5 362 #define XCHAL_INT14_LEVEL 7 363 #define XCHAL_INT15_LEVEL 1 364 #define XCHAL_INT16_LEVEL 1 365 #define XCHAL_INT17_LEVEL 1 366 #define XCHAL_INT18_LEVEL 1 367 #define XCHAL_INT19_LEVEL 1 368 #define XCHAL_INT20_LEVEL 1 369 #define XCHAL_INT21_LEVEL 3 370 #define XCHAL_DEBUGLEVEL 6 /* debug interrupt level */ 371 #define XCHAL_HAVE_DEBUG_EXTERN_INT 1 /* OCD external db interrupt */ 372 #define XCHAL_NMILEVEL 7 /* NMI "level" (for use with 373 EXCSAVE/EPS/EPC_n, RFI n) */ 374 375 /* Type of each interrupt: */ 376 #define XCHAL_INT0_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 377 #define XCHAL_INT1_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 378 #define XCHAL_INT2_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 379 #define XCHAL_INT3_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 380 #define XCHAL_INT4_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 381 #define XCHAL_INT5_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 382 #define XCHAL_INT6_TYPE XTHAL_INTTYPE_TIMER 383 #define XCHAL_INT7_TYPE XTHAL_INTTYPE_SOFTWARE 384 #define XCHAL_INT8_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 385 #define XCHAL_INT9_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 386 #define XCHAL_INT10_TYPE XTHAL_INTTYPE_TIMER 387 #define XCHAL_INT11_TYPE XTHAL_INTTYPE_SOFTWARE 388 #define XCHAL_INT12_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 389 #define XCHAL_INT13_TYPE XTHAL_INTTYPE_TIMER 390 #define XCHAL_INT14_TYPE XTHAL_INTTYPE_NMI 391 #define XCHAL_INT15_TYPE XTHAL_INTTYPE_EXTERN_EDGE 392 #define XCHAL_INT16_TYPE XTHAL_INTTYPE_EXTERN_EDGE 393 #define XCHAL_INT17_TYPE XTHAL_INTTYPE_EXTERN_EDGE 394 #define XCHAL_INT18_TYPE XTHAL_INTTYPE_EXTERN_EDGE 395 #define XCHAL_INT19_TYPE XTHAL_INTTYPE_EXTERN_EDGE 396 #define XCHAL_INT20_TYPE XTHAL_INTTYPE_EXTERN_EDGE 397 #define XCHAL_INT21_TYPE XTHAL_INTTYPE_EXTERN_EDGE 398 399 /* Masks of interrupts for each type of interrupt: */ 400 #define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFC00000 401 #define XCHAL_INTTYPE_MASK_SOFTWARE 0x00000880 402 #define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x003F8000 403 #define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000133F 404 #define XCHAL_INTTYPE_MASK_TIMER 0x00002440 405 #define XCHAL_INTTYPE_MASK_NMI 0x00004000 406 #define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000 407 #define XCHAL_INTTYPE_MASK_PROFILING 0x00000000 408 409 /* Interrupt numbers assigned to specific interrupt sources: */ 410 #define XCHAL_TIMER0_INTERRUPT 6 /* CCOMPARE0 */ 411 #define XCHAL_TIMER1_INTERRUPT 10 /* CCOMPARE1 */ 412 #define XCHAL_TIMER2_INTERRUPT 13 /* CCOMPARE2 */ 413 #define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED 414 #define XCHAL_NMI_INTERRUPT 14 /* non-maskable interrupt */ 415 416 /* Interrupt numbers for levels at which only one interrupt is configured: */ 417 #define XCHAL_INTLEVEL2_NUM 8 418 #define XCHAL_INTLEVEL4_NUM 12 419 #define XCHAL_INTLEVEL5_NUM 13 420 #define XCHAL_INTLEVEL7_NUM 14 421 /* (There are many interrupts each at level(s) 1, 3.) */ 422 423 424 /* 425 * External interrupt mapping. 426 * These macros describe how Xtensa processor interrupt numbers 427 * (as numbered internally, eg. in INTERRUPT and INTENABLE registers) 428 * map to external BInterrupt<n> pins, for those interrupts 429 * configured as external (level-triggered, edge-triggered, or NMI). 430 * See the Xtensa processor databook for more details. 431 */ 432 433 /* Core interrupt numbers mapped to each EXTERNAL BInterrupt pin number: */ 434 #define XCHAL_EXTINT0_NUM 0 /* (intlevel 1) */ 435 #define XCHAL_EXTINT1_NUM 1 /* (intlevel 1) */ 436 #define XCHAL_EXTINT2_NUM 2 /* (intlevel 1) */ 437 #define XCHAL_EXTINT3_NUM 3 /* (intlevel 1) */ 438 #define XCHAL_EXTINT4_NUM 4 /* (intlevel 1) */ 439 #define XCHAL_EXTINT5_NUM 5 /* (intlevel 1) */ 440 #define XCHAL_EXTINT6_NUM 8 /* (intlevel 2) */ 441 #define XCHAL_EXTINT7_NUM 9 /* (intlevel 3) */ 442 #define XCHAL_EXTINT8_NUM 12 /* (intlevel 4) */ 443 #define XCHAL_EXTINT9_NUM 14 /* (intlevel 7) */ 444 #define XCHAL_EXTINT10_NUM 15 /* (intlevel 1) */ 445 #define XCHAL_EXTINT11_NUM 16 /* (intlevel 1) */ 446 #define XCHAL_EXTINT12_NUM 17 /* (intlevel 1) */ 447 #define XCHAL_EXTINT13_NUM 18 /* (intlevel 1) */ 448 #define XCHAL_EXTINT14_NUM 19 /* (intlevel 1) */ 449 #define XCHAL_EXTINT15_NUM 20 /* (intlevel 1) */ 450 #define XCHAL_EXTINT16_NUM 21 /* (intlevel 3) */ 451 /* EXTERNAL BInterrupt pin numbers mapped to each core interrupt number: */ 452 #define XCHAL_INT0_EXTNUM 0 /* (intlevel 1) */ 453 #define XCHAL_INT1_EXTNUM 1 /* (intlevel 1) */ 454 #define XCHAL_INT2_EXTNUM 2 /* (intlevel 1) */ 455 #define XCHAL_INT3_EXTNUM 3 /* (intlevel 1) */ 456 #define XCHAL_INT4_EXTNUM 4 /* (intlevel 1) */ 457 #define XCHAL_INT5_EXTNUM 5 /* (intlevel 1) */ 458 #define XCHAL_INT8_EXTNUM 6 /* (intlevel 2) */ 459 #define XCHAL_INT9_EXTNUM 7 /* (intlevel 3) */ 460 #define XCHAL_INT12_EXTNUM 8 /* (intlevel 4) */ 461 #define XCHAL_INT14_EXTNUM 9 /* (intlevel 7) */ 462 #define XCHAL_INT15_EXTNUM 10 /* (intlevel 1) */ 463 #define XCHAL_INT16_EXTNUM 11 /* (intlevel 1) */ 464 #define XCHAL_INT17_EXTNUM 12 /* (intlevel 1) */ 465 #define XCHAL_INT18_EXTNUM 13 /* (intlevel 1) */ 466 #define XCHAL_INT19_EXTNUM 14 /* (intlevel 1) */ 467 #define XCHAL_INT20_EXTNUM 15 /* (intlevel 1) */ 468 #define XCHAL_INT21_EXTNUM 16 /* (intlevel 3) */ 469 470 471 /*---------------------------------------------------------------------- 472 EXCEPTIONS and VECTORS 473 ----------------------------------------------------------------------*/ 474 475 #define XCHAL_XEA_VERSION 2 /* Xtensa Exception Architecture 476 number: 1 == XEA1 (old) 477 2 == XEA2 (new) 478 0 == XEAX (extern) or TX */ 479 #define XCHAL_HAVE_XEA1 0 /* Exception Architecture 1 */ 480 #define XCHAL_HAVE_XEA2 1 /* Exception Architecture 2 */ 481 #define XCHAL_HAVE_XEAX 0 /* External Exception Arch. */ 482 #define XCHAL_HAVE_EXCEPTIONS 1 /* exception option */ 483 #define XCHAL_HAVE_HALT 0 /* halt architecture option */ 484 #define XCHAL_HAVE_BOOTLOADER 0 /* boot loader (for TX) */ 485 #define XCHAL_HAVE_MEM_ECC_PARITY 0 /* local memory ECC/parity */ 486 #define XCHAL_HAVE_VECTOR_SELECT 1 /* relocatable vectors */ 487 #define XCHAL_HAVE_VECBASE 1 /* relocatable vectors */ 488 #define XCHAL_VECBASE_RESET_VADDR 0x60000000 /* VECBASE reset value */ 489 #define XCHAL_VECBASE_RESET_PADDR 0x60000000 490 #define XCHAL_RESET_VECBASE_OVERLAP 0 491 492 #define XCHAL_RESET_VECTOR0_VADDR 0x50000000 493 #define XCHAL_RESET_VECTOR0_PADDR 0x50000000 494 #define XCHAL_RESET_VECTOR1_VADDR 0x40000400 495 #define XCHAL_RESET_VECTOR1_PADDR 0x40000400 496 #define XCHAL_RESET_VECTOR_VADDR 0x50000000 497 #define XCHAL_RESET_VECTOR_PADDR 0x50000000 498 #define XCHAL_USER_VECOFS 0x00000340 499 #define XCHAL_USER_VECTOR_VADDR 0x60000340 500 #define XCHAL_USER_VECTOR_PADDR 0x60000340 501 #define XCHAL_KERNEL_VECOFS 0x00000300 502 #define XCHAL_KERNEL_VECTOR_VADDR 0x60000300 503 #define XCHAL_KERNEL_VECTOR_PADDR 0x60000300 504 #define XCHAL_DOUBLEEXC_VECOFS 0x000003C0 505 #define XCHAL_DOUBLEEXC_VECTOR_VADDR 0x600003C0 506 #define XCHAL_DOUBLEEXC_VECTOR_PADDR 0x600003C0 507 #define XCHAL_WINDOW_OF4_VECOFS 0x00000000 508 #define XCHAL_WINDOW_UF4_VECOFS 0x00000040 509 #define XCHAL_WINDOW_OF8_VECOFS 0x00000080 510 #define XCHAL_WINDOW_UF8_VECOFS 0x000000C0 511 #define XCHAL_WINDOW_OF12_VECOFS 0x00000100 512 #define XCHAL_WINDOW_UF12_VECOFS 0x00000140 513 #define XCHAL_WINDOW_VECTORS_VADDR 0x60000000 514 #define XCHAL_WINDOW_VECTORS_PADDR 0x60000000 515 #define XCHAL_INTLEVEL2_VECOFS 0x00000180 516 #define XCHAL_INTLEVEL2_VECTOR_VADDR 0x60000180 517 #define XCHAL_INTLEVEL2_VECTOR_PADDR 0x60000180 518 #define XCHAL_INTLEVEL3_VECOFS 0x000001C0 519 #define XCHAL_INTLEVEL3_VECTOR_VADDR 0x600001C0 520 #define XCHAL_INTLEVEL3_VECTOR_PADDR 0x600001C0 521 #define XCHAL_INTLEVEL4_VECOFS 0x00000200 522 #define XCHAL_INTLEVEL4_VECTOR_VADDR 0x60000200 523 #define XCHAL_INTLEVEL4_VECTOR_PADDR 0x60000200 524 #define XCHAL_INTLEVEL5_VECOFS 0x00000240 525 #define XCHAL_INTLEVEL5_VECTOR_VADDR 0x60000240 526 #define XCHAL_INTLEVEL5_VECTOR_PADDR 0x60000240 527 #define XCHAL_INTLEVEL6_VECOFS 0x00000280 528 #define XCHAL_INTLEVEL6_VECTOR_VADDR 0x60000280 529 #define XCHAL_INTLEVEL6_VECTOR_PADDR 0x60000280 530 #define XCHAL_DEBUG_VECOFS XCHAL_INTLEVEL6_VECOFS 531 #define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR 532 #define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL6_VECTOR_PADDR 533 #define XCHAL_NMI_VECOFS 0x000002C0 534 #define XCHAL_NMI_VECTOR_VADDR 0x600002C0 535 #define XCHAL_NMI_VECTOR_PADDR 0x600002C0 536 #define XCHAL_INTLEVEL7_VECOFS XCHAL_NMI_VECOFS 537 #define XCHAL_INTLEVEL7_VECTOR_VADDR XCHAL_NMI_VECTOR_VADDR 538 #define XCHAL_INTLEVEL7_VECTOR_PADDR XCHAL_NMI_VECTOR_PADDR 539 540 541 /*---------------------------------------------------------------------- 542 DEBUG MODULE 543 ----------------------------------------------------------------------*/ 544 545 /* Misc */ 546 #define XCHAL_HAVE_DEBUG_ERI 1 /* ERI to debug module */ 547 #define XCHAL_HAVE_DEBUG_APB 0 /* APB to debug module */ 548 #define XCHAL_HAVE_DEBUG_JTAG 1 /* JTAG to debug module */ 549 550 /* On-Chip Debug (OCD) */ 551 #define XCHAL_HAVE_OCD 1 /* OnChipDebug option */ 552 #define XCHAL_NUM_IBREAK 2 /* number of IBREAKn regs */ 553 #define XCHAL_NUM_DBREAK 2 /* number of DBREAKn regs */ 554 #define XCHAL_HAVE_OCD_DIR_ARRAY 0 /* faster OCD option (to LX4) */ 555 #define XCHAL_HAVE_OCD_LS32DDR 1 /* L32DDR/S32DDR (faster OCD) */ 556 557 /* TRAX (in core) */ 558 #define XCHAL_HAVE_TRAX 1 /* TRAX in debug module */ 559 #define XCHAL_TRAX_MEM_SIZE 262144 /* TRAX memory size in bytes */ 560 #define XCHAL_TRAX_MEM_SHAREABLE 0 /* start/end regs; ready sig. */ 561 #define XCHAL_TRAX_ATB_WIDTH 0 /* ATB width (bits), 0=no ATB */ 562 #define XCHAL_TRAX_TIME_WIDTH 0 /* timestamp bitwidth, 0=none */ 563 564 /* Perf counters */ 565 #define XCHAL_NUM_PERF_COUNTERS 0 /* performance counters */ 566 567 568 /*---------------------------------------------------------------------- 569 MMU 570 ----------------------------------------------------------------------*/ 571 572 /* See core-matmap.h header file for more details. */ 573 574 #define XCHAL_HAVE_TLBS 1 /* inverse of HAVE_CACHEATTR */ 575 #define XCHAL_HAVE_SPANNING_WAY 1 /* one way maps I+D 4GB vaddr */ 576 #define XCHAL_SPANNING_WAY 0 /* TLB spanning way number */ 577 #define XCHAL_HAVE_IDENTITY_MAP 1 /* vaddr == paddr always */ 578 #define XCHAL_HAVE_CACHEATTR 0 /* CACHEATTR register present */ 579 #define XCHAL_HAVE_MIMIC_CACHEATTR 1 /* region protection */ 580 #define XCHAL_HAVE_XLT_CACHEATTR 0 /* region prot. w/translation */ 581 #define XCHAL_HAVE_PTP_MMU 0 /* full MMU (with page table 582 [autorefill] and protection) 583 usable for an MMU-based OS */ 584 /* If none of the above last 4 are set, it's a custom TLB configuration. */ 585 586 #define XCHAL_MMU_ASID_BITS 0 /* number of bits in ASIDs */ 587 #define XCHAL_MMU_RINGS 1 /* number of rings (1..4) */ 588 #define XCHAL_MMU_RING_BITS 0 /* num of bits in RING field */ 589 590 #endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */ 591 592 593 #endif /* _XTENSA_CORE_CONFIGURATION_H */ 594 595