1*d0b73b48SPete Delaney /* 2*d0b73b48SPete Delaney * xtensa/config/core-isa.h -- HAL definitions that are dependent on Xtensa 3*d0b73b48SPete Delaney * processor CORE configuration 4*d0b73b48SPete Delaney * 5*d0b73b48SPete Delaney * See <xtensa/config/core.h>, which includes this file, for more details. 6*d0b73b48SPete Delaney */ 7*d0b73b48SPete Delaney 8*d0b73b48SPete Delaney /* Xtensa processor core configuration information. 9*d0b73b48SPete Delaney 10*d0b73b48SPete Delaney Copyright (c) 1999-2010 Tensilica Inc. 11*d0b73b48SPete Delaney 12*d0b73b48SPete Delaney Permission is hereby granted, free of charge, to any person obtaining 13*d0b73b48SPete Delaney a copy of this software and associated documentation files (the 14*d0b73b48SPete Delaney "Software"), to deal in the Software without restriction, including 15*d0b73b48SPete Delaney without limitation the rights to use, copy, modify, merge, publish, 16*d0b73b48SPete Delaney distribute, sublicense, and/or sell copies of the Software, and to 17*d0b73b48SPete Delaney permit persons to whom the Software is furnished to do so, subject to 18*d0b73b48SPete Delaney the following conditions: 19*d0b73b48SPete Delaney 20*d0b73b48SPete Delaney The above copyright notice and this permission notice shall be included 21*d0b73b48SPete Delaney in all copies or substantial portions of the Software. 22*d0b73b48SPete Delaney 23*d0b73b48SPete Delaney THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24*d0b73b48SPete Delaney EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25*d0b73b48SPete Delaney MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 26*d0b73b48SPete Delaney IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 27*d0b73b48SPete Delaney CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 28*d0b73b48SPete Delaney TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 29*d0b73b48SPete Delaney SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 30*d0b73b48SPete Delaney 31*d0b73b48SPete Delaney #ifndef _XTENSA_CORE_CONFIGURATION_H 32*d0b73b48SPete Delaney #define _XTENSA_CORE_CONFIGURATION_H 33*d0b73b48SPete Delaney 34*d0b73b48SPete Delaney 35*d0b73b48SPete Delaney /**************************************************************************** 36*d0b73b48SPete Delaney Parameters Useful for Any Code, USER or PRIVILEGED 37*d0b73b48SPete Delaney ****************************************************************************/ 38*d0b73b48SPete Delaney 39*d0b73b48SPete Delaney /* 40*d0b73b48SPete Delaney * Note: Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is 41*d0b73b48SPete Delaney * configured, and a value of 0 otherwise. These macros are always defined. 42*d0b73b48SPete Delaney */ 43*d0b73b48SPete Delaney 44*d0b73b48SPete Delaney 45*d0b73b48SPete Delaney /*---------------------------------------------------------------------- 46*d0b73b48SPete Delaney ISA 47*d0b73b48SPete Delaney ----------------------------------------------------------------------*/ 48*d0b73b48SPete Delaney 49*d0b73b48SPete Delaney #define XCHAL_HAVE_BE 0 /* big-endian byte ordering */ 50*d0b73b48SPete Delaney #define XCHAL_HAVE_WINDOWED 1 /* windowed registers option */ 51*d0b73b48SPete Delaney #define XCHAL_NUM_AREGS 32 /* num of physical addr regs */ 52*d0b73b48SPete Delaney #define XCHAL_NUM_AREGS_LOG2 5 /* log2(XCHAL_NUM_AREGS) */ 53*d0b73b48SPete Delaney #define XCHAL_MAX_INSTRUCTION_SIZE 3 /* max instr bytes (3..8) */ 54*d0b73b48SPete Delaney #define XCHAL_HAVE_DEBUG 1 /* debug option */ 55*d0b73b48SPete Delaney #define XCHAL_HAVE_DENSITY 1 /* 16-bit instructions */ 56*d0b73b48SPete Delaney #define XCHAL_HAVE_LOOPS 1 /* zero-overhead loops */ 57*d0b73b48SPete Delaney #define XCHAL_HAVE_NSA 1 /* NSA/NSAU instructions */ 58*d0b73b48SPete Delaney #define XCHAL_HAVE_MINMAX 1 /* MIN/MAX instructions */ 59*d0b73b48SPete Delaney #define XCHAL_HAVE_SEXT 1 /* SEXT instruction */ 60*d0b73b48SPete Delaney #define XCHAL_HAVE_CLAMPS 1 /* CLAMPS instruction */ 61*d0b73b48SPete Delaney #define XCHAL_HAVE_MUL16 1 /* MUL16S/MUL16U instructions */ 62*d0b73b48SPete Delaney #define XCHAL_HAVE_MUL32 1 /* MULL instruction */ 63*d0b73b48SPete Delaney #define XCHAL_HAVE_MUL32_HIGH 0 /* MULUH/MULSH instructions */ 64*d0b73b48SPete Delaney #define XCHAL_HAVE_DIV32 1 /* QUOS/QUOU/REMS/REMU instructions */ 65*d0b73b48SPete Delaney #define XCHAL_HAVE_L32R 1 /* L32R instruction */ 66*d0b73b48SPete Delaney #define XCHAL_HAVE_ABSOLUTE_LITERALS 1 /* non-PC-rel (extended) L32R */ 67*d0b73b48SPete Delaney #define XCHAL_HAVE_CONST16 0 /* CONST16 instruction */ 68*d0b73b48SPete Delaney #define XCHAL_HAVE_ADDX 1 /* ADDX#/SUBX# instructions */ 69*d0b73b48SPete Delaney #define XCHAL_HAVE_WIDE_BRANCHES 0 /* B*.W18 or B*.W15 instr's */ 70*d0b73b48SPete Delaney #define XCHAL_HAVE_PREDICTED_BRANCHES 0 /* B[EQ/EQZ/NE/NEZ]T instr's */ 71*d0b73b48SPete Delaney #define XCHAL_HAVE_CALL4AND12 1 /* (obsolete option) */ 72*d0b73b48SPete Delaney #define XCHAL_HAVE_ABS 1 /* ABS instruction */ 73*d0b73b48SPete Delaney /*#define XCHAL_HAVE_POPC 0*/ /* POPC instruction */ 74*d0b73b48SPete Delaney /*#define XCHAL_HAVE_CRC 0*/ /* CRC instruction */ 75*d0b73b48SPete Delaney #define XCHAL_HAVE_RELEASE_SYNC 1 /* L32AI/S32RI instructions */ 76*d0b73b48SPete Delaney #define XCHAL_HAVE_S32C1I 1 /* S32C1I instruction */ 77*d0b73b48SPete Delaney #define XCHAL_HAVE_SPECULATION 0 /* speculation */ 78*d0b73b48SPete Delaney #define XCHAL_HAVE_FULL_RESET 1 /* all regs/state reset */ 79*d0b73b48SPete Delaney #define XCHAL_NUM_CONTEXTS 1 /* */ 80*d0b73b48SPete Delaney #define XCHAL_NUM_MISC_REGS 2 /* num of scratch regs (0..4) */ 81*d0b73b48SPete Delaney #define XCHAL_HAVE_TAP_MASTER 0 /* JTAG TAP control instr's */ 82*d0b73b48SPete Delaney #define XCHAL_HAVE_PRID 1 /* processor ID register */ 83*d0b73b48SPete Delaney #define XCHAL_HAVE_EXTERN_REGS 1 /* WER/RER instructions */ 84*d0b73b48SPete Delaney #define XCHAL_HAVE_MP_INTERRUPTS 0 /* interrupt distributor port */ 85*d0b73b48SPete Delaney #define XCHAL_HAVE_MP_RUNSTALL 0 /* core RunStall control port */ 86*d0b73b48SPete Delaney #define XCHAL_HAVE_THREADPTR 1 /* THREADPTR register */ 87*d0b73b48SPete Delaney #define XCHAL_HAVE_BOOLEANS 0 /* boolean registers */ 88*d0b73b48SPete Delaney #define XCHAL_HAVE_CP 1 /* CPENABLE reg (coprocessor) */ 89*d0b73b48SPete Delaney #define XCHAL_CP_MAXCFG 8 /* max allowed cp id plus one */ 90*d0b73b48SPete Delaney #define XCHAL_HAVE_MAC16 1 /* MAC16 package */ 91*d0b73b48SPete Delaney #define XCHAL_HAVE_VECTORFPU2005 0 /* vector floating-point pkg */ 92*d0b73b48SPete Delaney #define XCHAL_HAVE_FP 0 /* floating point pkg */ 93*d0b73b48SPete Delaney #define XCHAL_HAVE_DFP 0 /* double precision FP pkg */ 94*d0b73b48SPete Delaney #define XCHAL_HAVE_DFP_accel 0 /* double precision FP acceleration pkg */ 95*d0b73b48SPete Delaney #define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */ 96*d0b73b48SPete Delaney #define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */ 97*d0b73b48SPete Delaney #define XCHAL_HAVE_HIFIPRO 0 /* HiFiPro Audio Engine pkg */ 98*d0b73b48SPete Delaney #define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */ 99*d0b73b48SPete Delaney #define XCHAL_HAVE_HIFI2EP 0 /* HiFi2EP */ 100*d0b73b48SPete Delaney #define XCHAL_HAVE_CONNXD2 0 /* ConnX D2 pkg */ 101*d0b73b48SPete Delaney #define XCHAL_HAVE_BBE16 0 /* ConnX BBE16 pkg */ 102*d0b73b48SPete Delaney #define XCHAL_HAVE_BBE16_RSQRT 0 /* BBE16 & vector recip sqrt */ 103*d0b73b48SPete Delaney #define XCHAL_HAVE_BBE16_VECDIV 0 /* BBE16 & vector divide */ 104*d0b73b48SPete Delaney #define XCHAL_HAVE_BBE16_DESPREAD 0 /* BBE16 & despread */ 105*d0b73b48SPete Delaney #define XCHAL_HAVE_BSP3 0 /* ConnX BSP3 pkg */ 106*d0b73b48SPete Delaney #define XCHAL_HAVE_SSP16 0 /* ConnX SSP16 pkg */ 107*d0b73b48SPete Delaney #define XCHAL_HAVE_SSP16_VITERBI 0 /* SSP16 & viterbi */ 108*d0b73b48SPete Delaney #define XCHAL_HAVE_TURBO16 0 /* ConnX Turbo16 pkg */ 109*d0b73b48SPete Delaney #define XCHAL_HAVE_BBP16 0 /* ConnX BBP16 pkg */ 110*d0b73b48SPete Delaney 111*d0b73b48SPete Delaney 112*d0b73b48SPete Delaney /*---------------------------------------------------------------------- 113*d0b73b48SPete Delaney MISC 114*d0b73b48SPete Delaney ----------------------------------------------------------------------*/ 115*d0b73b48SPete Delaney 116*d0b73b48SPete Delaney #define XCHAL_NUM_WRITEBUFFER_ENTRIES 8 /* size of write buffer */ 117*d0b73b48SPete Delaney #define XCHAL_INST_FETCH_WIDTH 4 /* instr-fetch width in bytes */ 118*d0b73b48SPete Delaney #define XCHAL_DATA_WIDTH 4 /* data width in bytes */ 119*d0b73b48SPete Delaney /* In T1050, applies to selected core load and store instructions (see ISA): */ 120*d0b73b48SPete Delaney #define XCHAL_UNALIGNED_LOAD_EXCEPTION 1 /* unaligned loads cause exc. */ 121*d0b73b48SPete Delaney #define XCHAL_UNALIGNED_STORE_EXCEPTION 1 /* unaligned stores cause exc.*/ 122*d0b73b48SPete Delaney #define XCHAL_UNALIGNED_LOAD_HW 0 /* unaligned loads work in hw */ 123*d0b73b48SPete Delaney #define XCHAL_UNALIGNED_STORE_HW 0 /* unaligned stores work in hw*/ 124*d0b73b48SPete Delaney 125*d0b73b48SPete Delaney #define XCHAL_SW_VERSION 900001 /* sw version of this header */ 126*d0b73b48SPete Delaney 127*d0b73b48SPete Delaney #define XCHAL_CORE_ID "dc233c" /* alphanum core name 128*d0b73b48SPete Delaney (CoreID) set in the Xtensa 129*d0b73b48SPete Delaney Processor Generator */ 130*d0b73b48SPete Delaney 131*d0b73b48SPete Delaney #define XCHAL_CORE_DESCRIPTION "dc233c" 132*d0b73b48SPete Delaney #define XCHAL_BUILD_UNIQUE_ID 0x00004B21 /* 22-bit sw build ID */ 133*d0b73b48SPete Delaney 134*d0b73b48SPete Delaney /* 135*d0b73b48SPete Delaney * These definitions describe the hardware targeted by this software. 136*d0b73b48SPete Delaney */ 137*d0b73b48SPete Delaney #define XCHAL_HW_CONFIGID0 0xC56707FE /* ConfigID hi 32 bits*/ 138*d0b73b48SPete Delaney #define XCHAL_HW_CONFIGID1 0x14404B21 /* ConfigID lo 32 bits*/ 139*d0b73b48SPete Delaney #define XCHAL_HW_VERSION_NAME "LX4.0.1" /* full version name */ 140*d0b73b48SPete Delaney #define XCHAL_HW_VERSION_MAJOR 2400 /* major ver# of targeted hw */ 141*d0b73b48SPete Delaney #define XCHAL_HW_VERSION_MINOR 1 /* minor ver# of targeted hw */ 142*d0b73b48SPete Delaney #define XCHAL_HW_VERSION 240001 /* major*100+minor */ 143*d0b73b48SPete Delaney #define XCHAL_HW_REL_LX4 1 144*d0b73b48SPete Delaney #define XCHAL_HW_REL_LX4_0 1 145*d0b73b48SPete Delaney #define XCHAL_HW_REL_LX4_0_1 1 146*d0b73b48SPete Delaney #define XCHAL_HW_CONFIGID_RELIABLE 1 147*d0b73b48SPete Delaney /* If software targets a *range* of hardware versions, these are the bounds: */ 148*d0b73b48SPete Delaney #define XCHAL_HW_MIN_VERSION_MAJOR 2400 /* major v of earliest tgt hw */ 149*d0b73b48SPete Delaney #define XCHAL_HW_MIN_VERSION_MINOR 1 /* minor v of earliest tgt hw */ 150*d0b73b48SPete Delaney #define XCHAL_HW_MIN_VERSION 240001 /* earliest targeted hw */ 151*d0b73b48SPete Delaney #define XCHAL_HW_MAX_VERSION_MAJOR 2400 /* major v of latest tgt hw */ 152*d0b73b48SPete Delaney #define XCHAL_HW_MAX_VERSION_MINOR 1 /* minor v of latest tgt hw */ 153*d0b73b48SPete Delaney #define XCHAL_HW_MAX_VERSION 240001 /* latest targeted hw */ 154*d0b73b48SPete Delaney 155*d0b73b48SPete Delaney 156*d0b73b48SPete Delaney /*---------------------------------------------------------------------- 157*d0b73b48SPete Delaney CACHE 158*d0b73b48SPete Delaney ----------------------------------------------------------------------*/ 159*d0b73b48SPete Delaney 160*d0b73b48SPete Delaney #define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */ 161*d0b73b48SPete Delaney #define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */ 162*d0b73b48SPete Delaney #define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */ 163*d0b73b48SPete Delaney #define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */ 164*d0b73b48SPete Delaney 165*d0b73b48SPete Delaney #define XCHAL_ICACHE_SIZE 16384 /* I-cache size in bytes or 0 */ 166*d0b73b48SPete Delaney #define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */ 167*d0b73b48SPete Delaney 168*d0b73b48SPete Delaney #define XCHAL_DCACHE_IS_WRITEBACK 1 /* writeback feature */ 169*d0b73b48SPete Delaney #define XCHAL_DCACHE_IS_COHERENT 0 /* MP coherence feature */ 170*d0b73b48SPete Delaney 171*d0b73b48SPete Delaney #define XCHAL_HAVE_PREFETCH 0 /* PREFCTL register */ 172*d0b73b48SPete Delaney 173*d0b73b48SPete Delaney 174*d0b73b48SPete Delaney 175*d0b73b48SPete Delaney 176*d0b73b48SPete Delaney /**************************************************************************** 177*d0b73b48SPete Delaney Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code 178*d0b73b48SPete Delaney ****************************************************************************/ 179*d0b73b48SPete Delaney 180*d0b73b48SPete Delaney 181*d0b73b48SPete Delaney #ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY 182*d0b73b48SPete Delaney 183*d0b73b48SPete Delaney /*---------------------------------------------------------------------- 184*d0b73b48SPete Delaney CACHE 185*d0b73b48SPete Delaney ----------------------------------------------------------------------*/ 186*d0b73b48SPete Delaney 187*d0b73b48SPete Delaney #define XCHAL_HAVE_PIF 1 /* any outbound PIF present */ 188*d0b73b48SPete Delaney 189*d0b73b48SPete Delaney /* If present, cache size in bytes == (ways * 2^(linewidth + setwidth)). */ 190*d0b73b48SPete Delaney 191*d0b73b48SPete Delaney /* Number of cache sets in log2(lines per way): */ 192*d0b73b48SPete Delaney #define XCHAL_ICACHE_SETWIDTH 7 193*d0b73b48SPete Delaney #define XCHAL_DCACHE_SETWIDTH 7 194*d0b73b48SPete Delaney 195*d0b73b48SPete Delaney /* Cache set associativity (number of ways): */ 196*d0b73b48SPete Delaney #define XCHAL_ICACHE_WAYS 4 197*d0b73b48SPete Delaney #define XCHAL_DCACHE_WAYS 4 198*d0b73b48SPete Delaney 199*d0b73b48SPete Delaney /* Cache features: */ 200*d0b73b48SPete Delaney #define XCHAL_ICACHE_LINE_LOCKABLE 1 201*d0b73b48SPete Delaney #define XCHAL_DCACHE_LINE_LOCKABLE 1 202*d0b73b48SPete Delaney #define XCHAL_ICACHE_ECC_PARITY 0 203*d0b73b48SPete Delaney #define XCHAL_DCACHE_ECC_PARITY 0 204*d0b73b48SPete Delaney 205*d0b73b48SPete Delaney /* Cache access size in bytes (affects operation of SICW instruction): */ 206*d0b73b48SPete Delaney #define XCHAL_ICACHE_ACCESS_SIZE 4 207*d0b73b48SPete Delaney #define XCHAL_DCACHE_ACCESS_SIZE 4 208*d0b73b48SPete Delaney 209*d0b73b48SPete Delaney /* Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits): */ 210*d0b73b48SPete Delaney #define XCHAL_CA_BITS 4 211*d0b73b48SPete Delaney 212*d0b73b48SPete Delaney 213*d0b73b48SPete Delaney /*---------------------------------------------------------------------- 214*d0b73b48SPete Delaney INTERNAL I/D RAM/ROMs and XLMI 215*d0b73b48SPete Delaney ----------------------------------------------------------------------*/ 216*d0b73b48SPete Delaney 217*d0b73b48SPete Delaney #define XCHAL_NUM_INSTROM 0 /* number of core instr. ROMs */ 218*d0b73b48SPete Delaney #define XCHAL_NUM_INSTRAM 0 /* number of core instr. RAMs */ 219*d0b73b48SPete Delaney #define XCHAL_NUM_DATAROM 0 /* number of core data ROMs */ 220*d0b73b48SPete Delaney #define XCHAL_NUM_DATARAM 0 /* number of core data RAMs */ 221*d0b73b48SPete Delaney #define XCHAL_NUM_URAM 0 /* number of core unified RAMs*/ 222*d0b73b48SPete Delaney #define XCHAL_NUM_XLMI 0 /* number of core XLMI ports */ 223*d0b73b48SPete Delaney 224*d0b73b48SPete Delaney #define XCHAL_HAVE_IMEM_LOADSTORE 1 /* can load/store to IROM/IRAM*/ 225*d0b73b48SPete Delaney 226*d0b73b48SPete Delaney 227*d0b73b48SPete Delaney /*---------------------------------------------------------------------- 228*d0b73b48SPete Delaney INTERRUPTS and TIMERS 229*d0b73b48SPete Delaney ----------------------------------------------------------------------*/ 230*d0b73b48SPete Delaney 231*d0b73b48SPete Delaney #define XCHAL_HAVE_INTERRUPTS 1 /* interrupt option */ 232*d0b73b48SPete Delaney #define XCHAL_HAVE_HIGHPRI_INTERRUPTS 1 /* med/high-pri. interrupts */ 233*d0b73b48SPete Delaney #define XCHAL_HAVE_NMI 1 /* non-maskable interrupt */ 234*d0b73b48SPete Delaney #define XCHAL_HAVE_CCOUNT 1 /* CCOUNT reg. (timer option) */ 235*d0b73b48SPete Delaney #define XCHAL_NUM_TIMERS 3 /* number of CCOMPAREn regs */ 236*d0b73b48SPete Delaney #define XCHAL_NUM_INTERRUPTS 22 /* number of interrupts */ 237*d0b73b48SPete Delaney #define XCHAL_NUM_INTERRUPTS_LOG2 5 /* ceil(log2(NUM_INTERRUPTS)) */ 238*d0b73b48SPete Delaney #define XCHAL_NUM_EXTINTERRUPTS 17 /* num of external interrupts */ 239*d0b73b48SPete Delaney #define XCHAL_NUM_INTLEVELS 6 /* number of interrupt levels 240*d0b73b48SPete Delaney (not including level zero) */ 241*d0b73b48SPete Delaney #define XCHAL_EXCM_LEVEL 3 /* level masked by PS.EXCM */ 242*d0b73b48SPete Delaney /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */ 243*d0b73b48SPete Delaney 244*d0b73b48SPete Delaney /* Masks of interrupts at each interrupt level: */ 245*d0b73b48SPete Delaney #define XCHAL_INTLEVEL1_MASK 0x001F80FF 246*d0b73b48SPete Delaney #define XCHAL_INTLEVEL2_MASK 0x00000100 247*d0b73b48SPete Delaney #define XCHAL_INTLEVEL3_MASK 0x00200E00 248*d0b73b48SPete Delaney #define XCHAL_INTLEVEL4_MASK 0x00001000 249*d0b73b48SPete Delaney #define XCHAL_INTLEVEL5_MASK 0x00002000 250*d0b73b48SPete Delaney #define XCHAL_INTLEVEL6_MASK 0x00000000 251*d0b73b48SPete Delaney #define XCHAL_INTLEVEL7_MASK 0x00004000 252*d0b73b48SPete Delaney 253*d0b73b48SPete Delaney /* Masks of interrupts at each range 1..n of interrupt levels: */ 254*d0b73b48SPete Delaney #define XCHAL_INTLEVEL1_ANDBELOW_MASK 0x001F80FF 255*d0b73b48SPete Delaney #define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x001F81FF 256*d0b73b48SPete Delaney #define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x003F8FFF 257*d0b73b48SPete Delaney #define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x003F9FFF 258*d0b73b48SPete Delaney #define XCHAL_INTLEVEL5_ANDBELOW_MASK 0x003FBFFF 259*d0b73b48SPete Delaney #define XCHAL_INTLEVEL6_ANDBELOW_MASK 0x003FBFFF 260*d0b73b48SPete Delaney #define XCHAL_INTLEVEL7_ANDBELOW_MASK 0x003FFFFF 261*d0b73b48SPete Delaney 262*d0b73b48SPete Delaney /* Level of each interrupt: */ 263*d0b73b48SPete Delaney #define XCHAL_INT0_LEVEL 1 264*d0b73b48SPete Delaney #define XCHAL_INT1_LEVEL 1 265*d0b73b48SPete Delaney #define XCHAL_INT2_LEVEL 1 266*d0b73b48SPete Delaney #define XCHAL_INT3_LEVEL 1 267*d0b73b48SPete Delaney #define XCHAL_INT4_LEVEL 1 268*d0b73b48SPete Delaney #define XCHAL_INT5_LEVEL 1 269*d0b73b48SPete Delaney #define XCHAL_INT6_LEVEL 1 270*d0b73b48SPete Delaney #define XCHAL_INT7_LEVEL 1 271*d0b73b48SPete Delaney #define XCHAL_INT8_LEVEL 2 272*d0b73b48SPete Delaney #define XCHAL_INT9_LEVEL 3 273*d0b73b48SPete Delaney #define XCHAL_INT10_LEVEL 3 274*d0b73b48SPete Delaney #define XCHAL_INT11_LEVEL 3 275*d0b73b48SPete Delaney #define XCHAL_INT12_LEVEL 4 276*d0b73b48SPete Delaney #define XCHAL_INT13_LEVEL 5 277*d0b73b48SPete Delaney #define XCHAL_INT14_LEVEL 7 278*d0b73b48SPete Delaney #define XCHAL_INT15_LEVEL 1 279*d0b73b48SPete Delaney #define XCHAL_INT16_LEVEL 1 280*d0b73b48SPete Delaney #define XCHAL_INT17_LEVEL 1 281*d0b73b48SPete Delaney #define XCHAL_INT18_LEVEL 1 282*d0b73b48SPete Delaney #define XCHAL_INT19_LEVEL 1 283*d0b73b48SPete Delaney #define XCHAL_INT20_LEVEL 1 284*d0b73b48SPete Delaney #define XCHAL_INT21_LEVEL 3 285*d0b73b48SPete Delaney #define XCHAL_DEBUGLEVEL 6 /* debug interrupt level */ 286*d0b73b48SPete Delaney #define XCHAL_HAVE_DEBUG_EXTERN_INT 1 /* OCD external db interrupt */ 287*d0b73b48SPete Delaney #define XCHAL_NMILEVEL 7 /* NMI "level" (for use with 288*d0b73b48SPete Delaney EXCSAVE/EPS/EPC_n, RFI n) */ 289*d0b73b48SPete Delaney 290*d0b73b48SPete Delaney /* Type of each interrupt: */ 291*d0b73b48SPete Delaney #define XCHAL_INT0_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 292*d0b73b48SPete Delaney #define XCHAL_INT1_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 293*d0b73b48SPete Delaney #define XCHAL_INT2_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 294*d0b73b48SPete Delaney #define XCHAL_INT3_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 295*d0b73b48SPete Delaney #define XCHAL_INT4_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 296*d0b73b48SPete Delaney #define XCHAL_INT5_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 297*d0b73b48SPete Delaney #define XCHAL_INT6_TYPE XTHAL_INTTYPE_TIMER 298*d0b73b48SPete Delaney #define XCHAL_INT7_TYPE XTHAL_INTTYPE_SOFTWARE 299*d0b73b48SPete Delaney #define XCHAL_INT8_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 300*d0b73b48SPete Delaney #define XCHAL_INT9_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 301*d0b73b48SPete Delaney #define XCHAL_INT10_TYPE XTHAL_INTTYPE_TIMER 302*d0b73b48SPete Delaney #define XCHAL_INT11_TYPE XTHAL_INTTYPE_SOFTWARE 303*d0b73b48SPete Delaney #define XCHAL_INT12_TYPE XTHAL_INTTYPE_EXTERN_LEVEL 304*d0b73b48SPete Delaney #define XCHAL_INT13_TYPE XTHAL_INTTYPE_TIMER 305*d0b73b48SPete Delaney #define XCHAL_INT14_TYPE XTHAL_INTTYPE_NMI 306*d0b73b48SPete Delaney #define XCHAL_INT15_TYPE XTHAL_INTTYPE_EXTERN_EDGE 307*d0b73b48SPete Delaney #define XCHAL_INT16_TYPE XTHAL_INTTYPE_EXTERN_EDGE 308*d0b73b48SPete Delaney #define XCHAL_INT17_TYPE XTHAL_INTTYPE_EXTERN_EDGE 309*d0b73b48SPete Delaney #define XCHAL_INT18_TYPE XTHAL_INTTYPE_EXTERN_EDGE 310*d0b73b48SPete Delaney #define XCHAL_INT19_TYPE XTHAL_INTTYPE_EXTERN_EDGE 311*d0b73b48SPete Delaney #define XCHAL_INT20_TYPE XTHAL_INTTYPE_EXTERN_EDGE 312*d0b73b48SPete Delaney #define XCHAL_INT21_TYPE XTHAL_INTTYPE_EXTERN_EDGE 313*d0b73b48SPete Delaney 314*d0b73b48SPete Delaney /* Masks of interrupts for each type of interrupt: */ 315*d0b73b48SPete Delaney #define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFC00000 316*d0b73b48SPete Delaney #define XCHAL_INTTYPE_MASK_SOFTWARE 0x00000880 317*d0b73b48SPete Delaney #define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x003F8000 318*d0b73b48SPete Delaney #define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000133F 319*d0b73b48SPete Delaney #define XCHAL_INTTYPE_MASK_TIMER 0x00002440 320*d0b73b48SPete Delaney #define XCHAL_INTTYPE_MASK_NMI 0x00004000 321*d0b73b48SPete Delaney #define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000 322*d0b73b48SPete Delaney 323*d0b73b48SPete Delaney /* Interrupt numbers assigned to specific interrupt sources: */ 324*d0b73b48SPete Delaney #define XCHAL_TIMER0_INTERRUPT 6 /* CCOMPARE0 */ 325*d0b73b48SPete Delaney #define XCHAL_TIMER1_INTERRUPT 10 /* CCOMPARE1 */ 326*d0b73b48SPete Delaney #define XCHAL_TIMER2_INTERRUPT 13 /* CCOMPARE2 */ 327*d0b73b48SPete Delaney #define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED 328*d0b73b48SPete Delaney #define XCHAL_NMI_INTERRUPT 14 /* non-maskable interrupt */ 329*d0b73b48SPete Delaney 330*d0b73b48SPete Delaney /* Interrupt numbers for levels at which only one interrupt is configured: */ 331*d0b73b48SPete Delaney #define XCHAL_INTLEVEL2_NUM 8 332*d0b73b48SPete Delaney #define XCHAL_INTLEVEL4_NUM 12 333*d0b73b48SPete Delaney #define XCHAL_INTLEVEL5_NUM 13 334*d0b73b48SPete Delaney #define XCHAL_INTLEVEL7_NUM 14 335*d0b73b48SPete Delaney /* (There are many interrupts each at level(s) 1, 3.) */ 336*d0b73b48SPete Delaney 337*d0b73b48SPete Delaney 338*d0b73b48SPete Delaney /* 339*d0b73b48SPete Delaney * External interrupt vectors/levels. 340*d0b73b48SPete Delaney * These macros describe how Xtensa processor interrupt numbers 341*d0b73b48SPete Delaney * (as numbered internally, eg. in INTERRUPT and INTENABLE registers) 342*d0b73b48SPete Delaney * map to external BInterrupt<n> pins, for those interrupts 343*d0b73b48SPete Delaney * configured as external (level-triggered, edge-triggered, or NMI). 344*d0b73b48SPete Delaney * See the Xtensa processor databook for more details. 345*d0b73b48SPete Delaney */ 346*d0b73b48SPete Delaney 347*d0b73b48SPete Delaney /* Core interrupt numbers mapped to each EXTERNAL interrupt number: */ 348*d0b73b48SPete Delaney #define XCHAL_EXTINT0_NUM 0 /* (intlevel 1) */ 349*d0b73b48SPete Delaney #define XCHAL_EXTINT1_NUM 1 /* (intlevel 1) */ 350*d0b73b48SPete Delaney #define XCHAL_EXTINT2_NUM 2 /* (intlevel 1) */ 351*d0b73b48SPete Delaney #define XCHAL_EXTINT3_NUM 3 /* (intlevel 1) */ 352*d0b73b48SPete Delaney #define XCHAL_EXTINT4_NUM 4 /* (intlevel 1) */ 353*d0b73b48SPete Delaney #define XCHAL_EXTINT5_NUM 5 /* (intlevel 1) */ 354*d0b73b48SPete Delaney #define XCHAL_EXTINT6_NUM 8 /* (intlevel 2) */ 355*d0b73b48SPete Delaney #define XCHAL_EXTINT7_NUM 9 /* (intlevel 3) */ 356*d0b73b48SPete Delaney #define XCHAL_EXTINT8_NUM 12 /* (intlevel 4) */ 357*d0b73b48SPete Delaney #define XCHAL_EXTINT9_NUM 14 /* (intlevel 7) */ 358*d0b73b48SPete Delaney #define XCHAL_EXTINT10_NUM 15 /* (intlevel 1) */ 359*d0b73b48SPete Delaney #define XCHAL_EXTINT11_NUM 16 /* (intlevel 1) */ 360*d0b73b48SPete Delaney #define XCHAL_EXTINT12_NUM 17 /* (intlevel 1) */ 361*d0b73b48SPete Delaney #define XCHAL_EXTINT13_NUM 18 /* (intlevel 1) */ 362*d0b73b48SPete Delaney #define XCHAL_EXTINT14_NUM 19 /* (intlevel 1) */ 363*d0b73b48SPete Delaney #define XCHAL_EXTINT15_NUM 20 /* (intlevel 1) */ 364*d0b73b48SPete Delaney #define XCHAL_EXTINT16_NUM 21 /* (intlevel 3) */ 365*d0b73b48SPete Delaney 366*d0b73b48SPete Delaney 367*d0b73b48SPete Delaney /*---------------------------------------------------------------------- 368*d0b73b48SPete Delaney EXCEPTIONS and VECTORS 369*d0b73b48SPete Delaney ----------------------------------------------------------------------*/ 370*d0b73b48SPete Delaney 371*d0b73b48SPete Delaney #define XCHAL_XEA_VERSION 2 /* Xtensa Exception Architecture 372*d0b73b48SPete Delaney number: 1 == XEA1 (old) 373*d0b73b48SPete Delaney 2 == XEA2 (new) 374*d0b73b48SPete Delaney 0 == XEAX (extern) or TX */ 375*d0b73b48SPete Delaney #define XCHAL_HAVE_XEA1 0 /* Exception Architecture 1 */ 376*d0b73b48SPete Delaney #define XCHAL_HAVE_XEA2 1 /* Exception Architecture 2 */ 377*d0b73b48SPete Delaney #define XCHAL_HAVE_XEAX 0 /* External Exception Arch. */ 378*d0b73b48SPete Delaney #define XCHAL_HAVE_EXCEPTIONS 1 /* exception option */ 379*d0b73b48SPete Delaney #define XCHAL_HAVE_HALT 0 /* halt architecture option */ 380*d0b73b48SPete Delaney #define XCHAL_HAVE_BOOTLOADER 0 /* boot loader (for TX) */ 381*d0b73b48SPete Delaney #define XCHAL_HAVE_MEM_ECC_PARITY 0 /* local memory ECC/parity */ 382*d0b73b48SPete Delaney #define XCHAL_HAVE_VECTOR_SELECT 1 /* relocatable vectors */ 383*d0b73b48SPete Delaney #define XCHAL_HAVE_VECBASE 1 /* relocatable vectors */ 384*d0b73b48SPete Delaney #define XCHAL_VECBASE_RESET_VADDR 0x00002000 /* VECBASE reset value */ 385*d0b73b48SPete Delaney #define XCHAL_VECBASE_RESET_PADDR 0x00002000 386*d0b73b48SPete Delaney #define XCHAL_RESET_VECBASE_OVERLAP 0 387*d0b73b48SPete Delaney 388*d0b73b48SPete Delaney #define XCHAL_RESET_VECTOR0_VADDR 0xFE000000 389*d0b73b48SPete Delaney #define XCHAL_RESET_VECTOR0_PADDR 0xFE000000 390*d0b73b48SPete Delaney #define XCHAL_RESET_VECTOR1_VADDR 0x00001000 391*d0b73b48SPete Delaney #define XCHAL_RESET_VECTOR1_PADDR 0x00001000 392*d0b73b48SPete Delaney #define XCHAL_RESET_VECTOR_VADDR 0xFE000000 393*d0b73b48SPete Delaney #define XCHAL_RESET_VECTOR_PADDR 0xFE000000 394*d0b73b48SPete Delaney #define XCHAL_USER_VECOFS 0x00000340 395*d0b73b48SPete Delaney #define XCHAL_USER_VECTOR_VADDR 0x00002340 396*d0b73b48SPete Delaney #define XCHAL_USER_VECTOR_PADDR 0x00002340 397*d0b73b48SPete Delaney #define XCHAL_KERNEL_VECOFS 0x00000300 398*d0b73b48SPete Delaney #define XCHAL_KERNEL_VECTOR_VADDR 0x00002300 399*d0b73b48SPete Delaney #define XCHAL_KERNEL_VECTOR_PADDR 0x00002300 400*d0b73b48SPete Delaney #define XCHAL_DOUBLEEXC_VECOFS 0x000003C0 401*d0b73b48SPete Delaney #define XCHAL_DOUBLEEXC_VECTOR_VADDR 0x000023C0 402*d0b73b48SPete Delaney #define XCHAL_DOUBLEEXC_VECTOR_PADDR 0x000023C0 403*d0b73b48SPete Delaney #define XCHAL_WINDOW_OF4_VECOFS 0x00000000 404*d0b73b48SPete Delaney #define XCHAL_WINDOW_UF4_VECOFS 0x00000040 405*d0b73b48SPete Delaney #define XCHAL_WINDOW_OF8_VECOFS 0x00000080 406*d0b73b48SPete Delaney #define XCHAL_WINDOW_UF8_VECOFS 0x000000C0 407*d0b73b48SPete Delaney #define XCHAL_WINDOW_OF12_VECOFS 0x00000100 408*d0b73b48SPete Delaney #define XCHAL_WINDOW_UF12_VECOFS 0x00000140 409*d0b73b48SPete Delaney #define XCHAL_WINDOW_VECTORS_VADDR 0x00002000 410*d0b73b48SPete Delaney #define XCHAL_WINDOW_VECTORS_PADDR 0x00002000 411*d0b73b48SPete Delaney #define XCHAL_INTLEVEL2_VECOFS 0x00000180 412*d0b73b48SPete Delaney #define XCHAL_INTLEVEL2_VECTOR_VADDR 0x00002180 413*d0b73b48SPete Delaney #define XCHAL_INTLEVEL2_VECTOR_PADDR 0x00002180 414*d0b73b48SPete Delaney #define XCHAL_INTLEVEL3_VECOFS 0x000001C0 415*d0b73b48SPete Delaney #define XCHAL_INTLEVEL3_VECTOR_VADDR 0x000021C0 416*d0b73b48SPete Delaney #define XCHAL_INTLEVEL3_VECTOR_PADDR 0x000021C0 417*d0b73b48SPete Delaney #define XCHAL_INTLEVEL4_VECOFS 0x00000200 418*d0b73b48SPete Delaney #define XCHAL_INTLEVEL4_VECTOR_VADDR 0x00002200 419*d0b73b48SPete Delaney #define XCHAL_INTLEVEL4_VECTOR_PADDR 0x00002200 420*d0b73b48SPete Delaney #define XCHAL_INTLEVEL5_VECOFS 0x00000240 421*d0b73b48SPete Delaney #define XCHAL_INTLEVEL5_VECTOR_VADDR 0x00002240 422*d0b73b48SPete Delaney #define XCHAL_INTLEVEL5_VECTOR_PADDR 0x00002240 423*d0b73b48SPete Delaney #define XCHAL_INTLEVEL6_VECOFS 0x00000280 424*d0b73b48SPete Delaney #define XCHAL_INTLEVEL6_VECTOR_VADDR 0x00002280 425*d0b73b48SPete Delaney #define XCHAL_INTLEVEL6_VECTOR_PADDR 0x00002280 426*d0b73b48SPete Delaney #define XCHAL_DEBUG_VECOFS XCHAL_INTLEVEL6_VECOFS 427*d0b73b48SPete Delaney #define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR 428*d0b73b48SPete Delaney #define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL6_VECTOR_PADDR 429*d0b73b48SPete Delaney #define XCHAL_NMI_VECOFS 0x000002C0 430*d0b73b48SPete Delaney #define XCHAL_NMI_VECTOR_VADDR 0x000022C0 431*d0b73b48SPete Delaney #define XCHAL_NMI_VECTOR_PADDR 0x000022C0 432*d0b73b48SPete Delaney #define XCHAL_INTLEVEL7_VECOFS XCHAL_NMI_VECOFS 433*d0b73b48SPete Delaney #define XCHAL_INTLEVEL7_VECTOR_VADDR XCHAL_NMI_VECTOR_VADDR 434*d0b73b48SPete Delaney #define XCHAL_INTLEVEL7_VECTOR_PADDR XCHAL_NMI_VECTOR_PADDR 435*d0b73b48SPete Delaney 436*d0b73b48SPete Delaney 437*d0b73b48SPete Delaney /*---------------------------------------------------------------------- 438*d0b73b48SPete Delaney DEBUG 439*d0b73b48SPete Delaney ----------------------------------------------------------------------*/ 440*d0b73b48SPete Delaney 441*d0b73b48SPete Delaney #define XCHAL_HAVE_OCD 1 /* OnChipDebug option */ 442*d0b73b48SPete Delaney #define XCHAL_NUM_IBREAK 2 /* number of IBREAKn regs */ 443*d0b73b48SPete Delaney #define XCHAL_NUM_DBREAK 2 /* number of DBREAKn regs */ 444*d0b73b48SPete Delaney #define XCHAL_HAVE_OCD_DIR_ARRAY 1 /* faster OCD option */ 445*d0b73b48SPete Delaney 446*d0b73b48SPete Delaney 447*d0b73b48SPete Delaney /*---------------------------------------------------------------------- 448*d0b73b48SPete Delaney MMU 449*d0b73b48SPete Delaney ----------------------------------------------------------------------*/ 450*d0b73b48SPete Delaney 451*d0b73b48SPete Delaney /* See core-matmap.h header file for more details. */ 452*d0b73b48SPete Delaney 453*d0b73b48SPete Delaney #define XCHAL_HAVE_TLBS 1 /* inverse of HAVE_CACHEATTR */ 454*d0b73b48SPete Delaney #define XCHAL_HAVE_SPANNING_WAY 1 /* one way maps I+D 4GB vaddr */ 455*d0b73b48SPete Delaney #define XCHAL_SPANNING_WAY 6 /* TLB spanning way number */ 456*d0b73b48SPete Delaney #define XCHAL_HAVE_IDENTITY_MAP 0 /* vaddr == paddr always */ 457*d0b73b48SPete Delaney #define XCHAL_HAVE_CACHEATTR 0 /* CACHEATTR register present */ 458*d0b73b48SPete Delaney #define XCHAL_HAVE_MIMIC_CACHEATTR 0 /* region protection */ 459*d0b73b48SPete Delaney #define XCHAL_HAVE_XLT_CACHEATTR 0 /* region prot. w/translation */ 460*d0b73b48SPete Delaney #define XCHAL_HAVE_PTP_MMU 1 /* full MMU (with page table 461*d0b73b48SPete Delaney [autorefill] and protection) 462*d0b73b48SPete Delaney usable for an MMU-based OS */ 463*d0b73b48SPete Delaney /* If none of the above last 4 are set, it's a custom TLB configuration. */ 464*d0b73b48SPete Delaney #define XCHAL_ITLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */ 465*d0b73b48SPete Delaney #define XCHAL_DTLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */ 466*d0b73b48SPete Delaney 467*d0b73b48SPete Delaney #define XCHAL_MMU_ASID_BITS 8 /* number of bits in ASIDs */ 468*d0b73b48SPete Delaney #define XCHAL_MMU_RINGS 4 /* number of rings (1..4) */ 469*d0b73b48SPete Delaney #define XCHAL_MMU_RING_BITS 2 /* num of bits in RING field */ 470*d0b73b48SPete Delaney 471*d0b73b48SPete Delaney #endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */ 472*d0b73b48SPete Delaney 473*d0b73b48SPete Delaney 474*d0b73b48SPete Delaney #endif /* _XTENSA_CORE_CONFIGURATION_H */ 475*d0b73b48SPete Delaney 476