diff options
Diffstat (limited to 'arch/xtensa/variants')
| -rw-r--r-- | arch/xtensa/variants/dc232b/include/variant/core.h | 424 | ||||
| -rw-r--r-- | arch/xtensa/variants/dc232b/include/variant/tie-asm.h | 122 | ||||
| -rw-r--r-- | arch/xtensa/variants/dc232b/include/variant/tie.h | 131 | ||||
| -rw-r--r-- | arch/xtensa/variants/fsf/include/variant/core.h | 359 | ||||
| -rw-r--r-- | arch/xtensa/variants/fsf/include/variant/tie-asm.h | 70 | ||||
| -rw-r--r-- | arch/xtensa/variants/fsf/include/variant/tie.h | 77 |
6 files changed, 1183 insertions, 0 deletions
diff --git a/arch/xtensa/variants/dc232b/include/variant/core.h b/arch/xtensa/variants/dc232b/include/variant/core.h new file mode 100644 index 000000000000..525bd3d90154 --- /dev/null +++ b/arch/xtensa/variants/dc232b/include/variant/core.h | |||
| @@ -0,0 +1,424 @@ | |||
| 1 | /* | ||
| 2 | * Xtensa processor core configuration information. | ||
| 3 | * | ||
| 4 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 5 | * License. See the file "COPYING" in the main directory of this archive | ||
| 6 | * for more details. | ||
| 7 | * | ||
| 8 | * Copyright (c) 1999-2007 Tensilica Inc. | ||
| 9 | */ | ||
| 10 | |||
| 11 | #ifndef _XTENSA_CORE_CONFIGURATION_H | ||
| 12 | #define _XTENSA_CORE_CONFIGURATION_H | ||
| 13 | |||
| 14 | |||
| 15 | /**************************************************************************** | ||
| 16 | Parameters Useful for Any Code, USER or PRIVILEGED | ||
| 17 | ****************************************************************************/ | ||
| 18 | |||
| 19 | /* | ||
| 20 | * Note: Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is | ||
| 21 | * configured, and a value of 0 otherwise. These macros are always defined. | ||
| 22 | */ | ||
| 23 | |||
| 24 | |||
| 25 | /*---------------------------------------------------------------------- | ||
| 26 | ISA | ||
| 27 | ----------------------------------------------------------------------*/ | ||
| 28 | |||
| 29 | #define XCHAL_HAVE_BE 0 /* big-endian byte ordering */ | ||
| 30 | #define XCHAL_HAVE_WINDOWED 1 /* windowed registers option */ | ||
| 31 | #define XCHAL_NUM_AREGS 32 /* num of physical addr regs */ | ||
| 32 | #define XCHAL_NUM_AREGS_LOG2 5 /* log2(XCHAL_NUM_AREGS) */ | ||
| 33 | #define XCHAL_MAX_INSTRUCTION_SIZE 3 /* max instr bytes (3..8) */ | ||
| 34 | #define XCHAL_HAVE_DEBUG 1 /* debug option */ | ||
| 35 | #define XCHAL_HAVE_DENSITY 1 /* 16-bit instructions */ | ||
| 36 | #define XCHAL_HAVE_LOOPS 1 /* zero-overhead loops */ | ||
| 37 | #define XCHAL_HAVE_NSA 1 /* NSA/NSAU instructions */ | ||
| 38 | #define XCHAL_HAVE_MINMAX 1 /* MIN/MAX instructions */ | ||
| 39 | #define XCHAL_HAVE_SEXT 1 /* SEXT instruction */ | ||
| 40 | #define XCHAL_HAVE_CLAMPS 1 /* CLAMPS instruction */ | ||
| 41 | #define XCHAL_HAVE_MUL16 1 /* MUL16S/MUL16U instructions */ | ||
| 42 | #define XCHAL_HAVE_MUL32 1 /* MULL instruction */ | ||
| 43 | #define XCHAL_HAVE_MUL32_HIGH 0 /* MULUH/MULSH instructions */ | ||
| 44 | #define XCHAL_HAVE_DIV32 1 /* QUOS/QUOU/REMS/REMU instructions */ | ||
| 45 | #define XCHAL_HAVE_L32R 1 /* L32R instruction */ | ||
| 46 | #define XCHAL_HAVE_ABSOLUTE_LITERALS 1 /* non-PC-rel (extended) L32R */ | ||
| 47 | #define XCHAL_HAVE_CONST16 0 /* CONST16 instruction */ | ||
| 48 | #define XCHAL_HAVE_ADDX 1 /* ADDX#/SUBX# instructions */ | ||
| 49 | #define XCHAL_HAVE_WIDE_BRANCHES 0 /* B*.W18 or B*.W15 instr's */ | ||
| 50 | #define XCHAL_HAVE_PREDICTED_BRANCHES 0 /* B[EQ/EQZ/NE/NEZ]T instr's */ | ||
| 51 | #define XCHAL_HAVE_CALL4AND12 1 /* (obsolete option) */ | ||
| 52 | #define XCHAL_HAVE_ABS 1 /* ABS instruction */ | ||
| 53 | /*#define XCHAL_HAVE_POPC 0*/ /* POPC instruction */ | ||
| 54 | /*#define XCHAL_HAVE_CRC 0*/ /* CRC instruction */ | ||
| 55 | #define XCHAL_HAVE_RELEASE_SYNC 1 /* L32AI/S32RI instructions */ | ||
| 56 | #define XCHAL_HAVE_S32C1I 1 /* S32C1I instruction */ | ||
| 57 | #define XCHAL_HAVE_SPECULATION 0 /* speculation */ | ||
| 58 | #define XCHAL_HAVE_FULL_RESET 1 /* all regs/state reset */ | ||
| 59 | #define XCHAL_NUM_CONTEXTS 1 /* */ | ||
| 60 | #define XCHAL_NUM_MISC_REGS 2 /* num of scratch regs (0..4) */ | ||
| 61 | #define XCHAL_HAVE_TAP_MASTER 0 /* JTAG TAP control instr's */ | ||
| 62 | #define XCHAL_HAVE_PRID 1 /* processor ID register */ | ||
| 63 | #define XCHAL_HAVE_THREADPTR 1 /* THREADPTR register */ | ||
| 64 | #define XCHAL_HAVE_BOOLEANS 0 /* boolean registers */ | ||
| 65 | #define XCHAL_HAVE_CP 1 /* CPENABLE reg (coprocessor) */ | ||
| 66 | #define XCHAL_CP_MAXCFG 8 /* max allowed cp id plus one */ | ||
| 67 | #define XCHAL_HAVE_MAC16 1 /* MAC16 package */ | ||
| 68 | #define XCHAL_HAVE_VECTORFPU2005 0 /* vector floating-point pkg */ | ||
| 69 | #define XCHAL_HAVE_FP 0 /* floating point pkg */ | ||
| 70 | #define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */ | ||
| 71 | #define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */ | ||
| 72 | #define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */ | ||
| 73 | |||
| 74 | |||
| 75 | /*---------------------------------------------------------------------- | ||
| 76 | MISC | ||
| 77 | ----------------------------------------------------------------------*/ | ||
| 78 | |||
| 79 | #define XCHAL_NUM_WRITEBUFFER_ENTRIES 8 /* size of write buffer */ | ||
| 80 | #define XCHAL_INST_FETCH_WIDTH 4 /* instr-fetch width in bytes */ | ||
| 81 | #define XCHAL_DATA_WIDTH 4 /* data width in bytes */ | ||
| 82 | /* In T1050, applies to selected core load and store instructions (see ISA): */ | ||
| 83 | #define XCHAL_UNALIGNED_LOAD_EXCEPTION 1 /* unaligned loads cause exc. */ | ||
| 84 | #define XCHAL_UNALIGNED_STORE_EXCEPTION 1 /* unaligned stores cause exc.*/ | ||
| 85 | |||
| 86 | #define XCHAL_SW_VERSION 701001 /* sw version of this header */ | ||
| 87 | |||
| 88 | #define XCHAL_CORE_ID "dc232b" /* alphanum core name | ||
| 89 | (CoreID) set in the Xtensa | ||
| 90 | Processor Generator */ | ||
| 91 | |||
| 92 | #define XCHAL_CORE_DESCRIPTION "Diamond 232L Standard Core Rev.B (LE)" | ||
| 93 | #define XCHAL_BUILD_UNIQUE_ID 0x0000BEEF /* 22-bit sw build ID */ | ||
| 94 | |||
| 95 | /* | ||
| 96 | * These definitions describe the hardware targeted by this software. | ||
| 97 | */ | ||
| 98 | #define XCHAL_HW_CONFIGID0 0xC56307FE /* ConfigID hi 32 bits*/ | ||
| 99 | #define XCHAL_HW_CONFIGID1 0x0D40BEEF /* ConfigID lo 32 bits*/ | ||
| 100 | #define XCHAL_HW_VERSION_NAME "LX2.1.1" /* full version name */ | ||
| 101 | #define XCHAL_HW_VERSION_MAJOR 2210 /* major ver# of targeted hw */ | ||
| 102 | #define XCHAL_HW_VERSION_MINOR 1 /* minor ver# of targeted hw */ | ||
| 103 | #define XCHAL_HW_VERSION 221001 /* major*100+minor */ | ||
| 104 | #define XCHAL_HW_REL_LX2 1 | ||
| 105 | #define XCHAL_HW_REL_LX2_1 1 | ||
| 106 | #define XCHAL_HW_REL_LX2_1_1 1 | ||
| 107 | #define XCHAL_HW_CONFIGID_RELIABLE 1 | ||
| 108 | /* If software targets a *range* of hardware versions, these are the bounds: */ | ||
| 109 | #define XCHAL_HW_MIN_VERSION_MAJOR 2210 /* major v of earliest tgt hw */ | ||
| 110 | #define XCHAL_HW_MIN_VERSION_MINOR 1 /* minor v of earliest tgt hw */ | ||
| 111 | #define XCHAL_HW_MIN_VERSION 221001 /* earliest targeted hw */ | ||
| 112 | #define XCHAL_HW_MAX_VERSION_MAJOR 2210 /* major v of latest tgt hw */ | ||
| 113 | #define XCHAL_HW_MAX_VERSION_MINOR 1 /* minor v of latest tgt hw */ | ||
| 114 | #define XCHAL_HW_MAX_VERSION 221001 /* latest targeted hw */ | ||
| 115 | |||
| 116 | |||
| 117 | /*---------------------------------------------------------------------- | ||
| 118 | CACHE | ||
| 119 | ----------------------------------------------------------------------*/ | ||
| 120 | |||
| 121 | #define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */ | ||
| 122 | #define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */ | ||
| 123 | #define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */ | ||
| 124 | #define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */ | ||
| 125 | |||
| 126 | #define XCHAL_ICACHE_SIZE 16384 /* I-cache size in bytes or 0 */ | ||
| 127 | #define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */ | ||
| 128 | |||
| 129 | #define XCHAL_DCACHE_IS_WRITEBACK 1 /* writeback feature */ | ||
| 130 | |||
| 131 | |||
| 132 | |||
| 133 | |||
| 134 | /**************************************************************************** | ||
| 135 | Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code | ||
| 136 | ****************************************************************************/ | ||
| 137 | |||
| 138 | |||
| 139 | #ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY | ||
| 140 | |||
| 141 | /*---------------------------------------------------------------------- | ||
| 142 | CACHE | ||
| 143 | ----------------------------------------------------------------------*/ | ||
| 144 | |||
| 145 | #define XCHAL_HAVE_PIF 1 /* any outbound PIF present */ | ||
| 146 | |||
| 147 | /* If present, cache size in bytes == (ways * 2^(linewidth + setwidth)). */ | ||
| 148 | |||
| 149 | /* Number of cache sets in log2(lines per way): */ | ||
| 150 | #define XCHAL_ICACHE_SETWIDTH 7 | ||
| 151 | #define XCHAL_DCACHE_SETWIDTH 7 | ||
| 152 | |||
| 153 | /* Cache set associativity (number of ways): */ | ||
| 154 | #define XCHAL_ICACHE_WAYS 4 | ||
| 155 | #define XCHAL_DCACHE_WAYS 4 | ||
| 156 | |||
| 157 | /* Cache features: */ | ||
| 158 | #define XCHAL_ICACHE_LINE_LOCKABLE 1 | ||
| 159 | #define XCHAL_DCACHE_LINE_LOCKABLE 1 | ||
| 160 | #define XCHAL_ICACHE_ECC_PARITY 0 | ||
| 161 | #define XCHAL_DCACHE_ECC_PARITY 0 | ||
| 162 | |||
| 163 | /* Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits): */ | ||
| 164 | #define XCHAL_CA_BITS 4 | ||
| 165 | |||
| 166 | |||
| 167 | /*---------------------------------------------------------------------- | ||
| 168 | INTERNAL I/D RAM/ROMs and XLMI | ||
| 169 | ----------------------------------------------------------------------*/ | ||
| 170 | |||
| 171 | #define XCHAL_NUM_INSTROM 0 /* number of core instr. ROMs */ | ||
| 172 | #define XCHAL_NUM_INSTRAM 0 /* number of core instr. RAMs */ | ||
| 173 | #define XCHAL_NUM_DATAROM 0 /* number of core data ROMs */ | ||
| 174 | #define XCHAL_NUM_DATARAM 0 /* number of core data RAMs */ | ||
| 175 | #define XCHAL_NUM_URAM 0 /* number of core unified RAMs*/ | ||
| 176 | #define XCHAL_NUM_XLMI 0 /* number of core XLMI ports */ | ||
| 177 | |||
| 178 | |||
| 179 | /*---------------------------------------------------------------------- | ||
| 180 | INTERRUPTS and TIMERS | ||
| 181 | ----------------------------------------------------------------------*/ | ||
| 182 | |||
| 183 | #define XCHAL_HAVE_INTERRUPTS 1 /* interrupt option */ | ||
| 184 | #define XCHAL_HAVE_HIGHPRI_INTERRUPTS 1 /* med/high-pri. interrupts */ | ||
| 185 | #define XCHAL_HAVE_NMI 1 /* non-maskable interrupt */ | ||
| 186 | #define XCHAL_HAVE_CCOUNT 1 /* CCOUNT reg. (timer option) */ | ||
| 187 | #define XCHAL_NUM_TIMERS 3 /* number of CCOMPAREn regs */ | ||
| 188 | #define XCHAL_NUM_INTERRUPTS 22 /* number of interrupts */ | ||
| 189 | #define XCHAL_NUM_INTERRUPTS_LOG2 5 /* ceil(log2(NUM_INTERRUPTS)) */ | ||
| 190 | #define XCHAL_NUM_EXTINTERRUPTS 17 /* num of external interrupts */ | ||
| 191 | #define XCHAL_NUM_INTLEVELS 6 /* number of interrupt levels | ||
| 192 | (not including level zero) */ | ||
| 193 | #define XCHAL_EXCM_LEVEL 3 /* level masked by PS.EXCM */ | ||
| 194 | /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */ | ||
| 195 | |||
| 196 | /* Masks of interrupts at each interrupt level: */ | ||
| 197 | #define XCHAL_INTLEVEL1_MASK 0x001F80FF | ||
| 198 | #define XCHAL_INTLEVEL2_MASK 0x00000100 | ||
| 199 | #define XCHAL_INTLEVEL3_MASK 0x00200E00 | ||
| 200 | #define XCHAL_INTLEVEL4_MASK 0x00001000 | ||
| 201 | #define XCHAL_INTLEVEL5_MASK 0x00002000 | ||
| 202 | #define XCHAL_INTLEVEL6_MASK 0x00000000 | ||
| 203 | #define XCHAL_INTLEVEL7_MASK 0x00004000 | ||
| 204 | |||
| 205 | /* Masks of interrupts at each range 1..n of interrupt levels: */ | ||
| 206 | #define XCHAL_INTLEVEL1_ANDBELOW_MASK 0x001F80FF | ||
| 207 | #define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x001F81FF | ||
| 208 | #define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x003F8FFF | ||
| 209 | #define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x003F9FFF | ||
| 210 | #define XCHAL_INTLEVEL5_ANDBELOW_MASK 0x003FBFFF | ||
| 211 | #define XCHAL_INTLEVEL6_ANDBELOW_MASK 0x003FBFFF | ||
| 212 | #define XCHAL_INTLEVEL7_ANDBELOW_MASK 0x003FFFFF | ||
| 213 | |||
| 214 | /* Level of each interrupt: */ | ||
| 215 | #define XCHAL_INT0_LEVEL 1 | ||
| 216 | #define XCHAL_INT1_LEVEL 1 | ||
| 217 | #define XCHAL_INT2_LEVEL 1 | ||
| 218 | #define XCHAL_INT3_LEVEL 1 | ||
| 219 | #define XCHAL_INT4_LEVEL 1 | ||
| 220 | #define XCHAL_INT5_LEVEL 1 | ||
| 221 | #define XCHAL_INT6_LEVEL 1 | ||
| 222 | #define XCHAL_INT7_LEVEL 1 | ||
| 223 | #define XCHAL_INT8_LEVEL 2 | ||
| 224 | #define XCHAL_INT9_LEVEL 3 | ||
| 225 | #define XCHAL_INT10_LEVEL 3 | ||
| 226 | #define XCHAL_INT11_LEVEL 3 | ||
| 227 | #define XCHAL_INT12_LEVEL 4 | ||
| 228 | #define XCHAL_INT13_LEVEL 5 | ||
| 229 | #define XCHAL_INT14_LEVEL 7 | ||
| 230 | #define XCHAL_INT15_LEVEL 1 | ||
| 231 | #define XCHAL_INT16_LEVEL 1 | ||
| 232 | #define XCHAL_INT17_LEVEL 1 | ||
| 233 | #define XCHAL_INT18_LEVEL 1 | ||
| 234 | #define XCHAL_INT19_LEVEL 1 | ||
| 235 | #define XCHAL_INT20_LEVEL 1 | ||
| 236 | #define XCHAL_INT21_LEVEL 3 | ||
| 237 | #define XCHAL_DEBUGLEVEL 6 /* debug interrupt level */ | ||
| 238 | #define XCHAL_HAVE_DEBUG_EXTERN_INT 1 /* OCD external db interrupt */ | ||
| 239 | #define XCHAL_NMILEVEL 7 /* NMI "level" (for use with | ||
| 240 | EXCSAVE/EPS/EPC_n, RFI n) */ | ||
| 241 | |||
| 242 | /* Type of each interrupt: */ | ||
| 243 | #define XCHAL_INT0_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 244 | #define XCHAL_INT1_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 245 | #define XCHAL_INT2_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 246 | #define XCHAL_INT3_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 247 | #define XCHAL_INT4_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 248 | #define XCHAL_INT5_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 249 | #define XCHAL_INT6_TYPE XTHAL_INTTYPE_TIMER | ||
| 250 | #define XCHAL_INT7_TYPE XTHAL_INTTYPE_SOFTWARE | ||
| 251 | #define XCHAL_INT8_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 252 | #define XCHAL_INT9_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 253 | #define XCHAL_INT10_TYPE XTHAL_INTTYPE_TIMER | ||
| 254 | #define XCHAL_INT11_TYPE XTHAL_INTTYPE_SOFTWARE | ||
| 255 | #define XCHAL_INT12_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 256 | #define XCHAL_INT13_TYPE XTHAL_INTTYPE_TIMER | ||
| 257 | #define XCHAL_INT14_TYPE XTHAL_INTTYPE_NMI | ||
| 258 | #define XCHAL_INT15_TYPE XTHAL_INTTYPE_EXTERN_EDGE | ||
| 259 | #define XCHAL_INT16_TYPE XTHAL_INTTYPE_EXTERN_EDGE | ||
| 260 | #define XCHAL_INT17_TYPE XTHAL_INTTYPE_EXTERN_EDGE | ||
| 261 | #define XCHAL_INT18_TYPE XTHAL_INTTYPE_EXTERN_EDGE | ||
| 262 | #define XCHAL_INT19_TYPE XTHAL_INTTYPE_EXTERN_EDGE | ||
| 263 | #define XCHAL_INT20_TYPE XTHAL_INTTYPE_EXTERN_EDGE | ||
| 264 | #define XCHAL_INT21_TYPE XTHAL_INTTYPE_EXTERN_EDGE | ||
| 265 | |||
| 266 | /* Masks of interrupts for each type of interrupt: */ | ||
| 267 | #define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFC00000 | ||
| 268 | #define XCHAL_INTTYPE_MASK_SOFTWARE 0x00000880 | ||
| 269 | #define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x003F8000 | ||
| 270 | #define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000133F | ||
| 271 | #define XCHAL_INTTYPE_MASK_TIMER 0x00002440 | ||
| 272 | #define XCHAL_INTTYPE_MASK_NMI 0x00004000 | ||
| 273 | #define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000 | ||
| 274 | |||
| 275 | /* Interrupt numbers assigned to specific interrupt sources: */ | ||
| 276 | #define XCHAL_TIMER0_INTERRUPT 6 /* CCOMPARE0 */ | ||
| 277 | #define XCHAL_TIMER1_INTERRUPT 10 /* CCOMPARE1 */ | ||
| 278 | #define XCHAL_TIMER2_INTERRUPT 13 /* CCOMPARE2 */ | ||
| 279 | #define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED | ||
| 280 | #define XCHAL_NMI_INTERRUPT 14 /* non-maskable interrupt */ | ||
| 281 | |||
| 282 | /* Interrupt numbers for levels at which only one interrupt is configured: */ | ||
| 283 | #define XCHAL_INTLEVEL2_NUM 8 | ||
| 284 | #define XCHAL_INTLEVEL4_NUM 12 | ||
| 285 | #define XCHAL_INTLEVEL5_NUM 13 | ||
| 286 | #define XCHAL_INTLEVEL7_NUM 14 | ||
| 287 | /* (There are many interrupts each at level(s) 1, 3.) */ | ||
| 288 | |||
| 289 | |||
| 290 | /* | ||
| 291 | * External interrupt vectors/levels. | ||
| 292 | * These macros describe how Xtensa processor interrupt numbers | ||
| 293 | * (as numbered internally, eg. in INTERRUPT and INTENABLE registers) | ||
| 294 | * map to external BInterrupt<n> pins, for those interrupts | ||
| 295 | * configured as external (level-triggered, edge-triggered, or NMI). | ||
| 296 | * See the Xtensa processor databook for more details. | ||
| 297 | */ | ||
| 298 | |||
| 299 | /* Core interrupt numbers mapped to each EXTERNAL interrupt number: */ | ||
| 300 | #define XCHAL_EXTINT0_NUM 0 /* (intlevel 1) */ | ||
| 301 | #define XCHAL_EXTINT1_NUM 1 /* (intlevel 1) */ | ||
| 302 | #define XCHAL_EXTINT2_NUM 2 /* (intlevel 1) */ | ||
| 303 | #define XCHAL_EXTINT3_NUM 3 /* (intlevel 1) */ | ||
| 304 | #define XCHAL_EXTINT4_NUM 4 /* (intlevel 1) */ | ||
| 305 | #define XCHAL_EXTINT5_NUM 5 /* (intlevel 1) */ | ||
| 306 | #define XCHAL_EXTINT6_NUM 8 /* (intlevel 2) */ | ||
| 307 | #define XCHAL_EXTINT7_NUM 9 /* (intlevel 3) */ | ||
| 308 | #define XCHAL_EXTINT8_NUM 12 /* (intlevel 4) */ | ||
| 309 | #define XCHAL_EXTINT9_NUM 14 /* (intlevel 7) */ | ||
| 310 | #define XCHAL_EXTINT10_NUM 15 /* (intlevel 1) */ | ||
| 311 | #define XCHAL_EXTINT11_NUM 16 /* (intlevel 1) */ | ||
| 312 | #define XCHAL_EXTINT12_NUM 17 /* (intlevel 1) */ | ||
| 313 | #define XCHAL_EXTINT13_NUM 18 /* (intlevel 1) */ | ||
| 314 | #define XCHAL_EXTINT14_NUM 19 /* (intlevel 1) */ | ||
| 315 | #define XCHAL_EXTINT15_NUM 20 /* (intlevel 1) */ | ||
| 316 | #define XCHAL_EXTINT16_NUM 21 /* (intlevel 3) */ | ||
| 317 | |||
| 318 | |||
| 319 | /*---------------------------------------------------------------------- | ||
| 320 | EXCEPTIONS and VECTORS | ||
| 321 | ----------------------------------------------------------------------*/ | ||
| 322 | |||
| 323 | #define XCHAL_XEA_VERSION 2 /* Xtensa Exception Architecture | ||
| 324 | number: 1 == XEA1 (old) | ||
| 325 | 2 == XEA2 (new) | ||
| 326 | 0 == XEAX (extern) */ | ||
| 327 | #define XCHAL_HAVE_XEA1 0 /* Exception Architecture 1 */ | ||
| 328 | #define XCHAL_HAVE_XEA2 1 /* Exception Architecture 2 */ | ||
| 329 | #define XCHAL_HAVE_XEAX 0 /* External Exception Arch. */ | ||
| 330 | #define XCHAL_HAVE_EXCEPTIONS 1 /* exception option */ | ||
| 331 | #define XCHAL_HAVE_MEM_ECC_PARITY 0 /* local memory ECC/parity */ | ||
| 332 | #define XCHAL_HAVE_VECTOR_SELECT 1 /* relocatable vectors */ | ||
| 333 | #define XCHAL_HAVE_VECBASE 1 /* relocatable vectors */ | ||
| 334 | #define XCHAL_VECBASE_RESET_VADDR 0xD0000000 /* VECBASE reset value */ | ||
| 335 | #define XCHAL_VECBASE_RESET_PADDR 0x00000000 | ||
| 336 | #define XCHAL_RESET_VECBASE_OVERLAP 0 | ||
| 337 | |||
| 338 | #define XCHAL_RESET_VECTOR0_VADDR 0xFE000000 | ||
| 339 | #define XCHAL_RESET_VECTOR0_PADDR 0xFE000000 | ||
| 340 | #define XCHAL_RESET_VECTOR1_VADDR 0xD8000500 | ||
| 341 | #define XCHAL_RESET_VECTOR1_PADDR 0x00000500 | ||
| 342 | #define XCHAL_RESET_VECTOR_VADDR 0xFE000000 | ||
| 343 | #define XCHAL_RESET_VECTOR_PADDR 0xFE000000 | ||
| 344 | #define XCHAL_USER_VECOFS 0x00000340 | ||
| 345 | #define XCHAL_USER_VECTOR_VADDR 0xD0000340 | ||
| 346 | #define XCHAL_USER_VECTOR_PADDR 0x00000340 | ||
| 347 | #define XCHAL_KERNEL_VECOFS 0x00000300 | ||
| 348 | #define XCHAL_KERNEL_VECTOR_VADDR 0xD0000300 | ||
| 349 | #define XCHAL_KERNEL_VECTOR_PADDR 0x00000300 | ||
| 350 | #define XCHAL_DOUBLEEXC_VECOFS 0x000003C0 | ||
| 351 | #define XCHAL_DOUBLEEXC_VECTOR_VADDR 0xD00003C0 | ||
| 352 | #define XCHAL_DOUBLEEXC_VECTOR_PADDR 0x000003C0 | ||
| 353 | #define XCHAL_WINDOW_OF4_VECOFS 0x00000000 | ||
| 354 | #define XCHAL_WINDOW_UF4_VECOFS 0x00000040 | ||
| 355 | #define XCHAL_WINDOW_OF8_VECOFS 0x00000080 | ||
| 356 | #define XCHAL_WINDOW_UF8_VECOFS 0x000000C0 | ||
| 357 | #define XCHAL_WINDOW_OF12_VECOFS 0x00000100 | ||
| 358 | #define XCHAL_WINDOW_UF12_VECOFS 0x00000140 | ||
| 359 | #define XCHAL_WINDOW_VECTORS_VADDR 0xD0000000 | ||
| 360 | #define XCHAL_WINDOW_VECTORS_PADDR 0x00000000 | ||
| 361 | #define XCHAL_INTLEVEL2_VECOFS 0x00000180 | ||
| 362 | #define XCHAL_INTLEVEL2_VECTOR_VADDR 0xD0000180 | ||
| 363 | #define XCHAL_INTLEVEL2_VECTOR_PADDR 0x00000180 | ||
| 364 | #define XCHAL_INTLEVEL3_VECOFS 0x000001C0 | ||
| 365 | #define XCHAL_INTLEVEL3_VECTOR_VADDR 0xD00001C0 | ||
| 366 | #define XCHAL_INTLEVEL3_VECTOR_PADDR 0x000001C0 | ||
| 367 | #define XCHAL_INTLEVEL4_VECOFS 0x00000200 | ||
| 368 | #define XCHAL_INTLEVEL4_VECTOR_VADDR 0xD0000200 | ||
| 369 | #define XCHAL_INTLEVEL4_VECTOR_PADDR 0x00000200 | ||
| 370 | #define XCHAL_INTLEVEL5_VECOFS 0x00000240 | ||
| 371 | #define XCHAL_INTLEVEL5_VECTOR_VADDR 0xD0000240 | ||
| 372 | #define XCHAL_INTLEVEL5_VECTOR_PADDR 0x00000240 | ||
| 373 | #define XCHAL_INTLEVEL6_VECOFS 0x00000280 | ||
| 374 | #define XCHAL_INTLEVEL6_VECTOR_VADDR 0xD0000280 | ||
| 375 | #define XCHAL_INTLEVEL6_VECTOR_PADDR 0x00000280 | ||
| 376 | #define XCHAL_DEBUG_VECOFS XCHAL_INTLEVEL6_VECOFS | ||
| 377 | #define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR | ||
| 378 | #define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL6_VECTOR_PADDR | ||
| 379 | #define XCHAL_NMI_VECOFS 0x000002C0 | ||
| 380 | #define XCHAL_NMI_VECTOR_VADDR 0xD00002C0 | ||
| 381 | #define XCHAL_NMI_VECTOR_PADDR 0x000002C0 | ||
| 382 | #define XCHAL_INTLEVEL7_VECOFS XCHAL_NMI_VECOFS | ||
| 383 | #define XCHAL_INTLEVEL7_VECTOR_VADDR XCHAL_NMI_VECTOR_VADDR | ||
| 384 | #define XCHAL_INTLEVEL7_VECTOR_PADDR XCHAL_NMI_VECTOR_PADDR | ||
| 385 | |||
| 386 | |||
| 387 | /*---------------------------------------------------------------------- | ||
| 388 | DEBUG | ||
| 389 | ----------------------------------------------------------------------*/ | ||
| 390 | |||
| 391 | #define XCHAL_HAVE_OCD 1 /* OnChipDebug option */ | ||
| 392 | #define XCHAL_NUM_IBREAK 2 /* number of IBREAKn regs */ | ||
| 393 | #define XCHAL_NUM_DBREAK 2 /* number of DBREAKn regs */ | ||
| 394 | #define XCHAL_HAVE_OCD_DIR_ARRAY 1 /* faster OCD option */ | ||
| 395 | |||
| 396 | |||
| 397 | /*---------------------------------------------------------------------- | ||
| 398 | MMU | ||
| 399 | ----------------------------------------------------------------------*/ | ||
| 400 | |||
| 401 | /* See core-matmap.h header file for more details. */ | ||
| 402 | |||
| 403 | #define XCHAL_HAVE_TLBS 1 /* inverse of HAVE_CACHEATTR */ | ||
| 404 | #define XCHAL_HAVE_SPANNING_WAY 0 /* one way maps I+D 4GB vaddr */ | ||
| 405 | #define XCHAL_HAVE_IDENTITY_MAP 0 /* vaddr == paddr always */ | ||
| 406 | #define XCHAL_HAVE_CACHEATTR 0 /* CACHEATTR register present */ | ||
| 407 | #define XCHAL_HAVE_MIMIC_CACHEATTR 0 /* region protection */ | ||
| 408 | #define XCHAL_HAVE_XLT_CACHEATTR 0 /* region prot. w/translation */ | ||
| 409 | #define XCHAL_HAVE_PTP_MMU 1 /* full MMU (with page table | ||
| 410 | [autorefill] and protection) | ||
| 411 | usable for an MMU-based OS */ | ||
| 412 | /* If none of the above last 4 are set, it's a custom TLB configuration. */ | ||
| 413 | #define XCHAL_ITLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */ | ||
| 414 | #define XCHAL_DTLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */ | ||
| 415 | |||
| 416 | #define XCHAL_MMU_ASID_BITS 8 /* number of bits in ASIDs */ | ||
| 417 | #define XCHAL_MMU_RINGS 4 /* number of rings (1..4) */ | ||
| 418 | #define XCHAL_MMU_RING_BITS 2 /* num of bits in RING field */ | ||
| 419 | |||
| 420 | #endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */ | ||
| 421 | |||
| 422 | |||
| 423 | #endif /* _XTENSA_CORE_CONFIGURATION_H */ | ||
| 424 | |||
diff --git a/arch/xtensa/variants/dc232b/include/variant/tie-asm.h b/arch/xtensa/variants/dc232b/include/variant/tie-asm.h new file mode 100644 index 000000000000..ed4f53f529db --- /dev/null +++ b/arch/xtensa/variants/dc232b/include/variant/tie-asm.h | |||
| @@ -0,0 +1,122 @@ | |||
| 1 | /* | ||
| 2 | * This header file contains assembly-language definitions (assembly | ||
| 3 | * macros, etc.) for this specific Xtensa processor's TIE extensions | ||
| 4 | * and options. It is customized to this Xtensa processor configuration. | ||
| 5 | * | ||
| 6 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 7 | * License. See the file "COPYING" in the main directory of this archive | ||
| 8 | * for more details. | ||
| 9 | * | ||
| 10 | * Copyright (C) 1999-2007 Tensilica Inc. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef _XTENSA_CORE_TIE_ASM_H | ||
| 14 | #define _XTENSA_CORE_TIE_ASM_H | ||
| 15 | |||
| 16 | /* Selection parameter values for save-area save/restore macros: */ | ||
| 17 | /* Option vs. TIE: */ | ||
| 18 | #define XTHAL_SAS_TIE 0x0001 /* custom extension or coprocessor */ | ||
| 19 | #define XTHAL_SAS_OPT 0x0002 /* optional (and not a coprocessor) */ | ||
| 20 | /* Whether used automatically by compiler: */ | ||
| 21 | #define XTHAL_SAS_NOCC 0x0004 /* not used by compiler w/o special opts/code */ | ||
| 22 | #define XTHAL_SAS_CC 0x0008 /* used by compiler without special opts/code */ | ||
| 23 | /* ABI handling across function calls: */ | ||
| 24 | #define XTHAL_SAS_CALR 0x0010 /* caller-saved */ | ||
| 25 | #define XTHAL_SAS_CALE 0x0020 /* callee-saved */ | ||
| 26 | #define XTHAL_SAS_GLOB 0x0040 /* global across function calls (in thread) */ | ||
| 27 | /* Misc */ | ||
| 28 | #define XTHAL_SAS_ALL 0xFFFF /* include all default NCP contents */ | ||
| 29 | |||
| 30 | |||
| 31 | |||
| 32 | /* Macro to save all non-coprocessor (extra) custom TIE and optional state | ||
| 33 | * (not including zero-overhead loop registers). | ||
| 34 | * Save area ptr (clobbered): ptr (1 byte aligned) | ||
| 35 | * Scratch regs (clobbered): at1..at4 (only first XCHAL_NCP_NUM_ATMPS needed) | ||
| 36 | */ | ||
| 37 | .macro xchal_ncp_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL | ||
| 38 | xchal_sa_start \continue, \ofs | ||
| 39 | .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~\select | ||
| 40 | xchal_sa_align \ptr, 0, 1024-8, 4, 4 | ||
| 41 | rsr \at1, ACCLO // MAC16 accumulator | ||
| 42 | rsr \at2, ACCHI | ||
| 43 | s32i \at1, \ptr, .Lxchal_ofs_ + 0 | ||
| 44 | s32i \at2, \ptr, .Lxchal_ofs_ + 4 | ||
| 45 | .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 | ||
| 46 | .endif | ||
| 47 | .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select | ||
| 48 | xchal_sa_align \ptr, 0, 1024-16, 4, 4 | ||
| 49 | rsr \at1, M0 // MAC16 registers | ||
| 50 | rsr \at2, M1 | ||
| 51 | s32i \at1, \ptr, .Lxchal_ofs_ + 0 | ||
| 52 | s32i \at2, \ptr, .Lxchal_ofs_ + 4 | ||
| 53 | rsr \at1, M2 | ||
| 54 | rsr \at2, M3 | ||
| 55 | s32i \at1, \ptr, .Lxchal_ofs_ + 8 | ||
| 56 | s32i \at2, \ptr, .Lxchal_ofs_ + 12 | ||
| 57 | .set .Lxchal_ofs_, .Lxchal_ofs_ + 16 | ||
| 58 | .endif | ||
| 59 | .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select | ||
| 60 | xchal_sa_align \ptr, 0, 1024-4, 4, 4 | ||
| 61 | rsr \at1, SCOMPARE1 // conditional store option | ||
| 62 | s32i \at1, \ptr, .Lxchal_ofs_ + 0 | ||
| 63 | .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 | ||
| 64 | .endif | ||
| 65 | .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~\select | ||
| 66 | xchal_sa_align \ptr, 0, 1024-4, 4, 4 | ||
| 67 | rur \at1, THREADPTR // threadptr option | ||
| 68 | s32i \at1, \ptr, .Lxchal_ofs_ + 0 | ||
| 69 | .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 | ||
| 70 | .endif | ||
| 71 | .endm // xchal_ncp_store | ||
| 72 | |||
| 73 | /* Macro to save all non-coprocessor (extra) custom TIE and optional state | ||
| 74 | * (not including zero-overhead loop registers). | ||
| 75 | * Save area ptr (clobbered): ptr (1 byte aligned) | ||
| 76 | * Scratch regs (clobbered): at1..at4 (only first XCHAL_NCP_NUM_ATMPS needed) | ||
| 77 | */ | ||
| 78 | .macro xchal_ncp_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL | ||
| 79 | xchal_sa_start \continue, \ofs | ||
| 80 | .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~\select | ||
| 81 | xchal_sa_align \ptr, 0, 1024-8, 4, 4 | ||
| 82 | l32i \at1, \ptr, .Lxchal_ofs_ + 0 | ||
| 83 | l32i \at2, \ptr, .Lxchal_ofs_ + 4 | ||
| 84 | wsr \at1, ACCLO // MAC16 accumulator | ||
| 85 | wsr \at2, ACCHI | ||
| 86 | .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 | ||
| 87 | .endif | ||
| 88 | .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select | ||
| 89 | xchal_sa_align \ptr, 0, 1024-16, 4, 4 | ||
| 90 | l32i \at1, \ptr, .Lxchal_ofs_ + 0 | ||
| 91 | l32i \at2, \ptr, .Lxchal_ofs_ + 4 | ||
| 92 | wsr \at1, M0 // MAC16 registers | ||
| 93 | wsr \at2, M1 | ||
| 94 | l32i \at1, \ptr, .Lxchal_ofs_ + 8 | ||
| 95 | l32i \at2, \ptr, .Lxchal_ofs_ + 12 | ||
| 96 | wsr \at1, M2 | ||
| 97 | wsr \at2, M3 | ||
| 98 | .set .Lxchal_ofs_, .Lxchal_ofs_ + 16 | ||
| 99 | .endif | ||
| 100 | .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select | ||
| 101 | xchal_sa_align \ptr, 0, 1024-4, 4, 4 | ||
| 102 | l32i \at1, \ptr, .Lxchal_ofs_ + 0 | ||
| 103 | wsr \at1, SCOMPARE1 // conditional store option | ||
| 104 | .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 | ||
| 105 | .endif | ||
| 106 | .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~\select | ||
| 107 | xchal_sa_align \ptr, 0, 1024-4, 4, 4 | ||
| 108 | l32i \at1, \ptr, .Lxchal_ofs_ + 0 | ||
| 109 | wur \at1, THREADPTR // threadptr option | ||
| 110 | .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 | ||
| 111 | .endif | ||
| 112 | .endm // xchal_ncp_load | ||
| 113 | |||
| 114 | |||
| 115 | |||
| 116 | #define XCHAL_NCP_NUM_ATMPS 2 | ||
| 117 | |||
| 118 | |||
| 119 | #define XCHAL_SA_NUM_ATMPS 2 | ||
| 120 | |||
| 121 | #endif /*_XTENSA_CORE_TIE_ASM_H*/ | ||
| 122 | |||
diff --git a/arch/xtensa/variants/dc232b/include/variant/tie.h b/arch/xtensa/variants/dc232b/include/variant/tie.h new file mode 100644 index 000000000000..018e81af4393 --- /dev/null +++ b/arch/xtensa/variants/dc232b/include/variant/tie.h | |||
| @@ -0,0 +1,131 @@ | |||
| 1 | /* | ||
| 2 | * This header file describes this specific Xtensa processor's TIE extensions | ||
| 3 | * that extend basic Xtensa core functionality. It is customized to this | ||
| 4 | * Xtensa processor configuration. | ||
| 5 | * | ||
| 6 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 7 | * License. See the file "COPYING" in the main directory of this archive | ||
| 8 | * for more details. | ||
| 9 | * | ||
| 10 | * Copyright (C) 1999-2007 Tensilica Inc. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef _XTENSA_CORE_TIE_H | ||
| 14 | #define _XTENSA_CORE_TIE_H | ||
| 15 | |||
| 16 | #define XCHAL_CP_NUM 1 /* number of coprocessors */ | ||
| 17 | #define XCHAL_CP_MAX 8 /* max CP ID + 1 (0 if none) */ | ||
| 18 | #define XCHAL_CP_MASK 0x80 /* bitmask of all CPs by ID */ | ||
| 19 | #define XCHAL_CP_PORT_MASK 0x80 /* bitmask of only port CPs */ | ||
| 20 | |||
| 21 | /* Basic parameters of each coprocessor: */ | ||
| 22 | #define XCHAL_CP7_NAME "XTIOP" | ||
| 23 | #define XCHAL_CP7_IDENT XTIOP | ||
| 24 | #define XCHAL_CP7_SA_SIZE 0 /* size of state save area */ | ||
| 25 | #define XCHAL_CP7_SA_ALIGN 1 /* min alignment of save area */ | ||
| 26 | #define XCHAL_CP_ID_XTIOP 7 /* coprocessor ID (0..7) */ | ||
| 27 | |||
| 28 | /* Filler info for unassigned coprocessors, to simplify arrays etc: */ | ||
| 29 | #define XCHAL_CP0_SA_SIZE 0 | ||
| 30 | #define XCHAL_CP0_SA_ALIGN 1 | ||
| 31 | #define XCHAL_CP1_SA_SIZE 0 | ||
| 32 | #define XCHAL_CP1_SA_ALIGN 1 | ||
| 33 | #define XCHAL_CP2_SA_SIZE 0 | ||
| 34 | #define XCHAL_CP2_SA_ALIGN 1 | ||
| 35 | #define XCHAL_CP3_SA_SIZE 0 | ||
| 36 | #define XCHAL_CP3_SA_ALIGN 1 | ||
| 37 | #define XCHAL_CP4_SA_SIZE 0 | ||
| 38 | #define XCHAL_CP4_SA_ALIGN 1 | ||
| 39 | #define XCHAL_CP5_SA_SIZE 0 | ||
| 40 | #define XCHAL_CP5_SA_ALIGN 1 | ||
| 41 | #define XCHAL_CP6_SA_SIZE 0 | ||
| 42 | #define XCHAL_CP6_SA_ALIGN 1 | ||
| 43 | |||
| 44 | /* Save area for non-coprocessor optional and custom (TIE) state: */ | ||
| 45 | #define XCHAL_NCP_SA_SIZE 32 | ||
| 46 | #define XCHAL_NCP_SA_ALIGN 4 | ||
| 47 | |||
| 48 | /* Total save area for optional and custom state (NCP + CPn): */ | ||
| 49 | #define XCHAL_TOTAL_SA_SIZE 32 /* with 16-byte align padding */ | ||
| 50 | #define XCHAL_TOTAL_SA_ALIGN 4 /* actual minimum alignment */ | ||
| 51 | |||
| 52 | /* | ||
| 53 | * Detailed contents of save areas. | ||
| 54 | * NOTE: caller must define the XCHAL_SA_REG macro (not defined here) | ||
| 55 | * before expanding the XCHAL_xxx_SA_LIST() macros. | ||
| 56 | * | ||
| 57 | * XCHAL_SA_REG(s,ccused,abikind,kind,opt,name,galign,align,asize, | ||
| 58 | * dbnum,base,regnum,bitsz,gapsz,reset,x...) | ||
| 59 | * | ||
| 60 | * s = passed from XCHAL_*_LIST(s), eg. to select how to expand | ||
| 61 | * ccused = set if used by compiler without special options or code | ||
| 62 | * abikind = 0 (caller-saved), 1 (callee-saved), or 2 (thread-global) | ||
| 63 | * kind = 0 (special reg), 1 (TIE user reg), or 2 (TIE regfile reg) | ||
| 64 | * opt = 0 (custom TIE extension or coprocessor), or 1 (optional reg) | ||
| 65 | * name = lowercase reg name (no quotes) | ||
| 66 | * galign = group byte alignment (power of 2) (galign >= align) | ||
| 67 | * align = register byte alignment (power of 2) | ||
| 68 | * asize = allocated size in bytes (asize*8 == bitsz + gapsz + padsz) | ||
| 69 | * (not including any pad bytes required to galign this or next reg) | ||
| 70 | * dbnum = unique target number f/debug (see <xtensa-libdb-macros.h>) | ||
| 71 | * base = reg shortname w/o index (or sr=special, ur=TIE user reg) | ||
| 72 | * regnum = reg index in regfile, or special/TIE-user reg number | ||
| 73 | * bitsz = number of significant bits (regfile width, or ur/sr mask bits) | ||
| 74 | * gapsz = intervening bits, if bitsz bits not stored contiguously | ||
| 75 | * (padsz = pad bits at end [TIE regfile] or at msbits [ur,sr] of asize) | ||
| 76 | * reset = register reset value (or 0 if undefined at reset) | ||
| 77 | * x = reserved for future use (0 until then) | ||
| 78 | * | ||
| 79 | * To filter out certain registers, e.g. to expand only the non-global | ||
| 80 | * registers used by the compiler, you can do something like this: | ||
| 81 | * | ||
| 82 | * #define XCHAL_SA_REG(s,ccused,p...) SELCC##ccused(p) | ||
| 83 | * #define SELCC0(p...) | ||
| 84 | * #define SELCC1(abikind,p...) SELAK##abikind(p) | ||
| 85 | * #define SELAK0(p...) REG(p) | ||
| 86 | * #define SELAK1(p...) REG(p) | ||
| 87 | * #define SELAK2(p...) | ||
| 88 | * #define REG(kind,tie,name,galn,aln,asz,csz,dbnum,base,rnum,bsz,rst,x...) \ | ||
| 89 | * ...what you want to expand... | ||
| 90 | */ | ||
| 91 | |||
| 92 | #define XCHAL_NCP_SA_NUM 8 | ||
| 93 | #define XCHAL_NCP_SA_LIST(s) \ | ||
| 94 | XCHAL_SA_REG(s,1,0,0,1, acclo, 4, 4, 4,0x0210, sr,16 , 32,0,0,0) \ | ||
| 95 | XCHAL_SA_REG(s,1,0,0,1, acchi, 4, 4, 4,0x0211, sr,17 , 8,0,0,0) \ | ||
| 96 | XCHAL_SA_REG(s,0,0,0,1, m0, 4, 4, 4,0x0220, sr,32 , 32,0,0,0) \ | ||
| 97 | XCHAL_SA_REG(s,0,0,0,1, m1, 4, 4, 4,0x0221, sr,33 , 32,0,0,0) \ | ||
| 98 | XCHAL_SA_REG(s,0,0,0,1, m2, 4, 4, 4,0x0222, sr,34 , 32,0,0,0) \ | ||
| 99 | XCHAL_SA_REG(s,0,0,0,1, m3, 4, 4, 4,0x0223, sr,35 , 32,0,0,0) \ | ||
| 100 | XCHAL_SA_REG(s,0,0,0,1, scompare1, 4, 4, 4,0x020C, sr,12 , 32,0,0,0) \ | ||
| 101 | XCHAL_SA_REG(s,1,2,1,1, threadptr, 4, 4, 4,0x03E7, ur,231, 32,0,0,0) | ||
| 102 | |||
| 103 | #define XCHAL_CP0_SA_NUM 0 | ||
| 104 | #define XCHAL_CP0_SA_LIST(s) /* empty */ | ||
| 105 | |||
| 106 | #define XCHAL_CP1_SA_NUM 0 | ||
| 107 | #define XCHAL_CP1_SA_LIST(s) /* empty */ | ||
| 108 | |||
| 109 | #define XCHAL_CP2_SA_NUM 0 | ||
| 110 | #define XCHAL_CP2_SA_LIST(s) /* empty */ | ||
| 111 | |||
| 112 | #define XCHAL_CP3_SA_NUM 0 | ||
| 113 | #define XCHAL_CP3_SA_LIST(s) /* empty */ | ||
| 114 | |||
| 115 | #define XCHAL_CP4_SA_NUM 0 | ||
| 116 | #define XCHAL_CP4_SA_LIST(s) /* empty */ | ||
| 117 | |||
| 118 | #define XCHAL_CP5_SA_NUM 0 | ||
| 119 | #define XCHAL_CP5_SA_LIST(s) /* empty */ | ||
| 120 | |||
| 121 | #define XCHAL_CP6_SA_NUM 0 | ||
| 122 | #define XCHAL_CP6_SA_LIST(s) /* empty */ | ||
| 123 | |||
| 124 | #define XCHAL_CP7_SA_NUM 0 | ||
| 125 | #define XCHAL_CP7_SA_LIST(s) /* empty */ | ||
| 126 | |||
| 127 | /* Byte length of instruction from its first nibble (op0 field), per FLIX. */ | ||
| 128 | #define XCHAL_OP0_FORMAT_LENGTHS 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3 | ||
| 129 | |||
| 130 | #endif /*_XTENSA_CORE_TIE_H*/ | ||
| 131 | |||
diff --git a/arch/xtensa/variants/fsf/include/variant/core.h b/arch/xtensa/variants/fsf/include/variant/core.h new file mode 100644 index 000000000000..2f337605c744 --- /dev/null +++ b/arch/xtensa/variants/fsf/include/variant/core.h | |||
| @@ -0,0 +1,359 @@ | |||
| 1 | /* | ||
| 2 | * Xtensa processor core configuration information. | ||
| 3 | * | ||
| 4 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 5 | * License. See the file "COPYING" in the main directory of this archive | ||
| 6 | * for more details. | ||
| 7 | * | ||
| 8 | * Copyright (C) 1999-2006 Tensilica Inc. | ||
| 9 | */ | ||
| 10 | |||
| 11 | #ifndef _XTENSA_CORE_H | ||
| 12 | #define _XTENSA_CORE_H | ||
| 13 | |||
| 14 | |||
| 15 | /**************************************************************************** | ||
| 16 | Parameters Useful for Any Code, USER or PRIVILEGED | ||
| 17 | ****************************************************************************/ | ||
| 18 | |||
| 19 | /* | ||
| 20 | * Note: Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is | ||
| 21 | * configured, and a value of 0 otherwise. These macros are always defined. | ||
| 22 | */ | ||
| 23 | |||
| 24 | |||
| 25 | /*---------------------------------------------------------------------- | ||
| 26 | ISA | ||
| 27 | ----------------------------------------------------------------------*/ | ||
| 28 | |||
| 29 | #define XCHAL_HAVE_BE 1 /* big-endian byte ordering */ | ||
| 30 | #define XCHAL_HAVE_WINDOWED 1 /* windowed registers option */ | ||
| 31 | #define XCHAL_NUM_AREGS 64 /* num of physical addr regs */ | ||
| 32 | #define XCHAL_NUM_AREGS_LOG2 6 /* log2(XCHAL_NUM_AREGS) */ | ||
| 33 | #define XCHAL_MAX_INSTRUCTION_SIZE 3 /* max instr bytes (3..8) */ | ||
| 34 | #define XCHAL_HAVE_DEBUG 1 /* debug option */ | ||
| 35 | #define XCHAL_HAVE_DENSITY 1 /* 16-bit instructions */ | ||
| 36 | #define XCHAL_HAVE_LOOPS 1 /* zero-overhead loops */ | ||
| 37 | #define XCHAL_HAVE_NSA 1 /* NSA/NSAU instructions */ | ||
| 38 | #define XCHAL_HAVE_MINMAX 0 /* MIN/MAX instructions */ | ||
| 39 | #define XCHAL_HAVE_SEXT 0 /* SEXT instruction */ | ||
| 40 | #define XCHAL_HAVE_CLAMPS 0 /* CLAMPS instruction */ | ||
| 41 | #define XCHAL_HAVE_MUL16 0 /* MUL16S/MUL16U instructions */ | ||
| 42 | #define XCHAL_HAVE_MUL32 0 /* MULL instruction */ | ||
| 43 | #define XCHAL_HAVE_MUL32_HIGH 0 /* MULUH/MULSH instructions */ | ||
| 44 | #define XCHAL_HAVE_L32R 1 /* L32R instruction */ | ||
| 45 | #define XCHAL_HAVE_ABSOLUTE_LITERALS 1 /* non-PC-rel (extended) L32R */ | ||
| 46 | #define XCHAL_HAVE_CONST16 0 /* CONST16 instruction */ | ||
| 47 | #define XCHAL_HAVE_ADDX 1 /* ADDX#/SUBX# instructions */ | ||
| 48 | #define XCHAL_HAVE_WIDE_BRANCHES 0 /* B*.W18 or B*.W15 instr's */ | ||
| 49 | #define XCHAL_HAVE_PREDICTED_BRANCHES 0 /* B[EQ/EQZ/NE/NEZ]T instr's */ | ||
| 50 | #define XCHAL_HAVE_CALL4AND12 1 /* (obsolete option) */ | ||
| 51 | #define XCHAL_HAVE_ABS 1 /* ABS instruction */ | ||
| 52 | /*#define XCHAL_HAVE_POPC 0*/ /* POPC instruction */ | ||
| 53 | /*#define XCHAL_HAVE_CRC 0*/ /* CRC instruction */ | ||
| 54 | #define XCHAL_HAVE_RELEASE_SYNC 0 /* L32AI/S32RI instructions */ | ||
| 55 | #define XCHAL_HAVE_S32C1I 0 /* S32C1I instruction */ | ||
| 56 | #define XCHAL_HAVE_SPECULATION 0 /* speculation */ | ||
| 57 | #define XCHAL_HAVE_FULL_RESET 1 /* all regs/state reset */ | ||
| 58 | #define XCHAL_NUM_CONTEXTS 1 /* */ | ||
| 59 | #define XCHAL_NUM_MISC_REGS 2 /* num of scratch regs (0..4) */ | ||
| 60 | #define XCHAL_HAVE_TAP_MASTER 0 /* JTAG TAP control instr's */ | ||
| 61 | #define XCHAL_HAVE_PRID 1 /* processor ID register */ | ||
| 62 | #define XCHAL_HAVE_THREADPTR 1 /* THREADPTR register */ | ||
| 63 | #define XCHAL_HAVE_BOOLEANS 0 /* boolean registers */ | ||
| 64 | #define XCHAL_HAVE_CP 0 /* CPENABLE reg (coprocessor) */ | ||
| 65 | #define XCHAL_CP_MAXCFG 0 /* max allowed cp id plus one */ | ||
| 66 | #define XCHAL_HAVE_MAC16 0 /* MAC16 package */ | ||
| 67 | #define XCHAL_HAVE_VECTORFPU2005 0 /* vector floating-point pkg */ | ||
| 68 | #define XCHAL_HAVE_FP 0 /* floating point pkg */ | ||
| 69 | #define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */ | ||
| 70 | #define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */ | ||
| 71 | #define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */ | ||
| 72 | |||
| 73 | |||
| 74 | /*---------------------------------------------------------------------- | ||
| 75 | MISC | ||
| 76 | ----------------------------------------------------------------------*/ | ||
| 77 | |||
| 78 | #define XCHAL_NUM_WRITEBUFFER_ENTRIES 4 /* size of write buffer */ | ||
| 79 | #define XCHAL_INST_FETCH_WIDTH 4 /* instr-fetch width in bytes */ | ||
| 80 | #define XCHAL_DATA_WIDTH 4 /* data width in bytes */ | ||
| 81 | /* In T1050, applies to selected core load and store instructions (see ISA): */ | ||
| 82 | #define XCHAL_UNALIGNED_LOAD_EXCEPTION 1 /* unaligned loads cause exc. */ | ||
| 83 | #define XCHAL_UNALIGNED_STORE_EXCEPTION 1 /* unaligned stores cause exc.*/ | ||
| 84 | |||
| 85 | #define XCHAL_CORE_ID "fsf" /* alphanum core name | ||
| 86 | (CoreID) set in the Xtensa | ||
| 87 | Processor Generator */ | ||
| 88 | |||
| 89 | #define XCHAL_BUILD_UNIQUE_ID 0x00006700 /* 22-bit sw build ID */ | ||
| 90 | |||
| 91 | /* | ||
| 92 | * These definitions describe the hardware targeted by this software. | ||
| 93 | */ | ||
| 94 | #define XCHAL_HW_CONFIGID0 0xC103C3FF /* ConfigID hi 32 bits*/ | ||
| 95 | #define XCHAL_HW_CONFIGID1 0x0C006700 /* ConfigID lo 32 bits*/ | ||
| 96 | #define XCHAL_HW_VERSION_NAME "LX2.0.0" /* full version name */ | ||
| 97 | #define XCHAL_HW_VERSION_MAJOR 2200 /* major ver# of targeted hw */ | ||
| 98 | #define XCHAL_HW_VERSION_MINOR 0 /* minor ver# of targeted hw */ | ||
| 99 | #define XTHAL_HW_REL_LX2 1 | ||
| 100 | #define XTHAL_HW_REL_LX2_0 1 | ||
| 101 | #define XTHAL_HW_REL_LX2_0_0 1 | ||
| 102 | #define XCHAL_HW_CONFIGID_RELIABLE 1 | ||
| 103 | /* If software targets a *range* of hardware versions, these are the bounds: */ | ||
| 104 | #define XCHAL_HW_MIN_VERSION_MAJOR 2200 /* major v of earliest tgt hw */ | ||
| 105 | #define XCHAL_HW_MIN_VERSION_MINOR 0 /* minor v of earliest tgt hw */ | ||
| 106 | #define XCHAL_HW_MAX_VERSION_MAJOR 2200 /* major v of latest tgt hw */ | ||
| 107 | #define XCHAL_HW_MAX_VERSION_MINOR 0 /* minor v of latest tgt hw */ | ||
| 108 | |||
| 109 | |||
| 110 | /*---------------------------------------------------------------------- | ||
| 111 | CACHE | ||
| 112 | ----------------------------------------------------------------------*/ | ||
| 113 | |||
| 114 | #define XCHAL_ICACHE_LINESIZE 16 /* I-cache line size in bytes */ | ||
| 115 | #define XCHAL_DCACHE_LINESIZE 16 /* D-cache line size in bytes */ | ||
| 116 | #define XCHAL_ICACHE_LINEWIDTH 4 /* log2(I line size in bytes) */ | ||
| 117 | #define XCHAL_DCACHE_LINEWIDTH 4 /* log2(D line size in bytes) */ | ||
| 118 | |||
| 119 | #define XCHAL_ICACHE_SIZE 8192 /* I-cache size in bytes or 0 */ | ||
| 120 | #define XCHAL_DCACHE_SIZE 8192 /* D-cache size in bytes or 0 */ | ||
| 121 | |||
| 122 | #define XCHAL_DCACHE_IS_WRITEBACK 0 /* writeback feature */ | ||
| 123 | |||
| 124 | |||
| 125 | |||
| 126 | |||
| 127 | /**************************************************************************** | ||
| 128 | Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code | ||
| 129 | ****************************************************************************/ | ||
| 130 | |||
| 131 | |||
| 132 | #ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY | ||
| 133 | |||
| 134 | /*---------------------------------------------------------------------- | ||
| 135 | CACHE | ||
| 136 | ----------------------------------------------------------------------*/ | ||
| 137 | |||
| 138 | #define XCHAL_HAVE_PIF 1 /* any outbound PIF present */ | ||
| 139 | |||
| 140 | /* If present, cache size in bytes == (ways * 2^(linewidth + setwidth)). */ | ||
| 141 | |||
| 142 | /* Number of cache sets in log2(lines per way): */ | ||
| 143 | #define XCHAL_ICACHE_SETWIDTH 8 | ||
| 144 | #define XCHAL_DCACHE_SETWIDTH 8 | ||
| 145 | |||
| 146 | /* Cache set associativity (number of ways): */ | ||
| 147 | #define XCHAL_ICACHE_WAYS 2 | ||
| 148 | #define XCHAL_DCACHE_WAYS 2 | ||
| 149 | |||
| 150 | /* Cache features: */ | ||
| 151 | #define XCHAL_ICACHE_LINE_LOCKABLE 0 | ||
| 152 | #define XCHAL_DCACHE_LINE_LOCKABLE 0 | ||
| 153 | #define XCHAL_ICACHE_ECC_PARITY 0 | ||
| 154 | #define XCHAL_DCACHE_ECC_PARITY 0 | ||
| 155 | |||
| 156 | /* Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits): */ | ||
| 157 | #define XCHAL_CA_BITS 4 | ||
| 158 | |||
| 159 | |||
| 160 | /*---------------------------------------------------------------------- | ||
| 161 | INTERNAL I/D RAM/ROMs and XLMI | ||
| 162 | ----------------------------------------------------------------------*/ | ||
| 163 | |||
| 164 | #define XCHAL_NUM_INSTROM 0 /* number of core instr. ROMs */ | ||
| 165 | #define XCHAL_NUM_INSTRAM 0 /* number of core instr. RAMs */ | ||
| 166 | #define XCHAL_NUM_DATAROM 0 /* number of core data ROMs */ | ||
| 167 | #define XCHAL_NUM_DATARAM 0 /* number of core data RAMs */ | ||
| 168 | #define XCHAL_NUM_URAM 0 /* number of core unified RAMs*/ | ||
| 169 | #define XCHAL_NUM_XLMI 0 /* number of core XLMI ports */ | ||
| 170 | |||
| 171 | |||
| 172 | /*---------------------------------------------------------------------- | ||
| 173 | INTERRUPTS and TIMERS | ||
| 174 | ----------------------------------------------------------------------*/ | ||
| 175 | |||
| 176 | #define XCHAL_HAVE_INTERRUPTS 1 /* interrupt option */ | ||
| 177 | #define XCHAL_HAVE_HIGHPRI_INTERRUPTS 1 /* med/high-pri. interrupts */ | ||
| 178 | #define XCHAL_HAVE_NMI 0 /* non-maskable interrupt */ | ||
| 179 | #define XCHAL_HAVE_CCOUNT 1 /* CCOUNT reg. (timer option) */ | ||
| 180 | #define XCHAL_NUM_TIMERS 3 /* number of CCOMPAREn regs */ | ||
| 181 | #define XCHAL_NUM_INTERRUPTS 17 /* number of interrupts */ | ||
| 182 | #define XCHAL_NUM_INTERRUPTS_LOG2 5 /* ceil(log2(NUM_INTERRUPTS)) */ | ||
| 183 | #define XCHAL_NUM_EXTINTERRUPTS 10 /* num of external interrupts */ | ||
| 184 | #define XCHAL_NUM_INTLEVELS 4 /* number of interrupt levels | ||
| 185 | (not including level zero) */ | ||
| 186 | #define XCHAL_EXCM_LEVEL 1 /* level masked by PS.EXCM */ | ||
| 187 | /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */ | ||
| 188 | |||
| 189 | /* Masks of interrupts at each interrupt level: */ | ||
| 190 | #define XCHAL_INTLEVEL1_MASK 0x000064F9 | ||
| 191 | #define XCHAL_INTLEVEL2_MASK 0x00008902 | ||
| 192 | #define XCHAL_INTLEVEL3_MASK 0x00011204 | ||
| 193 | #define XCHAL_INTLEVEL4_MASK 0x00000000 | ||
| 194 | #define XCHAL_INTLEVEL5_MASK 0x00000000 | ||
| 195 | #define XCHAL_INTLEVEL6_MASK 0x00000000 | ||
| 196 | #define XCHAL_INTLEVEL7_MASK 0x00000000 | ||
| 197 | |||
| 198 | /* Masks of interrupts at each range 1..n of interrupt levels: */ | ||
| 199 | #define XCHAL_INTLEVEL1_ANDBELOW_MASK 0x000064F9 | ||
| 200 | #define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x0000EDFB | ||
| 201 | #define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x0001FFFF | ||
| 202 | #define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x0001FFFF | ||
| 203 | #define XCHAL_INTLEVEL5_ANDBELOW_MASK 0x0001FFFF | ||
| 204 | #define XCHAL_INTLEVEL6_ANDBELOW_MASK 0x0001FFFF | ||
| 205 | #define XCHAL_INTLEVEL7_ANDBELOW_MASK 0x0001FFFF | ||
| 206 | |||
| 207 | /* Level of each interrupt: */ | ||
| 208 | #define XCHAL_INT0_LEVEL 1 | ||
| 209 | #define XCHAL_INT1_LEVEL 2 | ||
| 210 | #define XCHAL_INT2_LEVEL 3 | ||
| 211 | #define XCHAL_INT3_LEVEL 1 | ||
| 212 | #define XCHAL_INT4_LEVEL 1 | ||
| 213 | #define XCHAL_INT5_LEVEL 1 | ||
| 214 | #define XCHAL_INT6_LEVEL 1 | ||
| 215 | #define XCHAL_INT7_LEVEL 1 | ||
| 216 | #define XCHAL_INT8_LEVEL 2 | ||
| 217 | #define XCHAL_INT9_LEVEL 3 | ||
| 218 | #define XCHAL_INT10_LEVEL 1 | ||
| 219 | #define XCHAL_INT11_LEVEL 2 | ||
| 220 | #define XCHAL_INT12_LEVEL 3 | ||
| 221 | #define XCHAL_INT13_LEVEL 1 | ||
| 222 | #define XCHAL_INT14_LEVEL 1 | ||
| 223 | #define XCHAL_INT15_LEVEL 2 | ||
| 224 | #define XCHAL_INT16_LEVEL 3 | ||
| 225 | #define XCHAL_DEBUGLEVEL 4 /* debug interrupt level */ | ||
| 226 | #define XCHAL_HAVE_DEBUG_EXTERN_INT 0 /* OCD external db interrupt */ | ||
| 227 | |||
| 228 | /* Type of each interrupt: */ | ||
| 229 | #define XCHAL_INT0_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 230 | #define XCHAL_INT1_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 231 | #define XCHAL_INT2_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 232 | #define XCHAL_INT3_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 233 | #define XCHAL_INT4_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 234 | #define XCHAL_INT5_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 235 | #define XCHAL_INT6_TYPE XTHAL_INTTYPE_EXTERN_LEVEL | ||
| 236 | #define XCHAL_INT7_TYPE XTHAL_INTTYPE_EXTERN_EDGE | ||
| 237 | #define XCHAL_INT8_TYPE XTHAL_INTTYPE_EXTERN_EDGE | ||
| 238 | #define XCHAL_INT9_TYPE XTHAL_INTTYPE_EXTERN_EDGE | ||
| 239 | #define XCHAL_INT10_TYPE XTHAL_INTTYPE_TIMER | ||
| 240 | #define XCHAL_INT11_TYPE XTHAL_INTTYPE_TIMER | ||
| 241 | #define XCHAL_INT12_TYPE XTHAL_INTTYPE_TIMER | ||
| 242 | #define XCHAL_INT13_TYPE XTHAL_INTTYPE_SOFTWARE | ||
| 243 | #define XCHAL_INT14_TYPE XTHAL_INTTYPE_SOFTWARE | ||
| 244 | #define XCHAL_INT15_TYPE XTHAL_INTTYPE_SOFTWARE | ||
| 245 | #define XCHAL_INT16_TYPE XTHAL_INTTYPE_SOFTWARE | ||
| 246 | |||
| 247 | /* Masks of interrupts for each type of interrupt: */ | ||
| 248 | #define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFFE0000 | ||
| 249 | #define XCHAL_INTTYPE_MASK_SOFTWARE 0x0001E000 | ||
| 250 | #define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x00000380 | ||
| 251 | #define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000007F | ||
| 252 | #define XCHAL_INTTYPE_MASK_TIMER 0x00001C00 | ||
| 253 | #define XCHAL_INTTYPE_MASK_NMI 0x00000000 | ||
| 254 | #define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000 | ||
| 255 | |||
| 256 | /* Interrupt numbers assigned to specific interrupt sources: */ | ||
| 257 | #define XCHAL_TIMER0_INTERRUPT 10 /* CCOMPARE0 */ | ||
| 258 | #define XCHAL_TIMER1_INTERRUPT 11 /* CCOMPARE1 */ | ||
| 259 | #define XCHAL_TIMER2_INTERRUPT 12 /* CCOMPARE2 */ | ||
| 260 | #define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED | ||
| 261 | |||
| 262 | /* Interrupt numbers for levels at which only one interrupt is configured: */ | ||
| 263 | /* (There are many interrupts each at level(s) 1, 2, 3.) */ | ||
| 264 | |||
| 265 | |||
| 266 | /* | ||
| 267 | * External interrupt vectors/levels. | ||
| 268 | * These macros describe how Xtensa processor interrupt numbers | ||
| 269 | * (as numbered internally, eg. in INTERRUPT and INTENABLE registers) | ||
| 270 | * map to external BInterrupt<n> pins, for those interrupts | ||
| 271 | * configured as external (level-triggered, edge-triggered, or NMI). | ||
| 272 | * See the Xtensa processor databook for more details. | ||
| 273 | */ | ||
| 274 | |||
| 275 | /* Core interrupt numbers mapped to each EXTERNAL interrupt number: */ | ||
| 276 | #define XCHAL_EXTINT0_NUM 0 /* (intlevel 1) */ | ||
| 277 | #define XCHAL_EXTINT1_NUM 1 /* (intlevel 2) */ | ||
| 278 | #define XCHAL_EXTINT2_NUM 2 /* (intlevel 3) */ | ||
| 279 | #define XCHAL_EXTINT3_NUM 3 /* (intlevel 1) */ | ||
| 280 | #define XCHAL_EXTINT4_NUM 4 /* (intlevel 1) */ | ||
| 281 | #define XCHAL_EXTINT5_NUM 5 /* (intlevel 1) */ | ||
| 282 | #define XCHAL_EXTINT6_NUM 6 /* (intlevel 1) */ | ||
| 283 | #define XCHAL_EXTINT7_NUM 7 /* (intlevel 1) */ | ||
| 284 | #define XCHAL_EXTINT8_NUM 8 /* (intlevel 2) */ | ||
| 285 | #define XCHAL_EXTINT9_NUM 9 /* (intlevel 3) */ | ||
| 286 | |||
| 287 | |||
| 288 | /*---------------------------------------------------------------------- | ||
| 289 | EXCEPTIONS and VECTORS | ||
| 290 | ----------------------------------------------------------------------*/ | ||
| 291 | |||
| 292 | #define XCHAL_XEA_VERSION 2 /* Xtensa Exception Architecture | ||
| 293 | number: 1 == XEA1 (old) | ||
| 294 | 2 == XEA2 (new) | ||
| 295 | 0 == XEAX (extern) */ | ||
| 296 | #define XCHAL_HAVE_XEA1 0 /* Exception Architecture 1 */ | ||
| 297 | #define XCHAL_HAVE_XEA2 1 /* Exception Architecture 2 */ | ||
| 298 | #define XCHAL_HAVE_XEAX 0 /* External Exception Arch. */ | ||
| 299 | #define XCHAL_HAVE_EXCEPTIONS 1 /* exception option */ | ||
| 300 | #define XCHAL_HAVE_MEM_ECC_PARITY 0 /* local memory ECC/parity */ | ||
| 301 | |||
| 302 | #define XCHAL_RESET_VECTOR_VADDR 0xFE000020 | ||
| 303 | #define XCHAL_RESET_VECTOR_PADDR 0xFE000020 | ||
| 304 | #define XCHAL_USER_VECTOR_VADDR 0xD0000220 | ||
| 305 | #define XCHAL_USER_VECTOR_PADDR 0x00000220 | ||
| 306 | #define XCHAL_KERNEL_VECTOR_VADDR 0xD0000200 | ||
| 307 | #define XCHAL_KERNEL_VECTOR_PADDR 0x00000200 | ||
| 308 | #define XCHAL_DOUBLEEXC_VECTOR_VADDR 0xD0000290 | ||
| 309 | #define XCHAL_DOUBLEEXC_VECTOR_PADDR 0x00000290 | ||
| 310 | #define XCHAL_WINDOW_VECTORS_VADDR 0xD0000000 | ||
| 311 | #define XCHAL_WINDOW_VECTORS_PADDR 0x00000000 | ||
| 312 | #define XCHAL_INTLEVEL2_VECTOR_VADDR 0xD0000240 | ||
| 313 | #define XCHAL_INTLEVEL2_VECTOR_PADDR 0x00000240 | ||
| 314 | #define XCHAL_INTLEVEL3_VECTOR_VADDR 0xD0000250 | ||
| 315 | #define XCHAL_INTLEVEL3_VECTOR_PADDR 0x00000250 | ||
| 316 | #define XCHAL_INTLEVEL4_VECTOR_VADDR 0xFE000520 | ||
| 317 | #define XCHAL_INTLEVEL4_VECTOR_PADDR 0xFE000520 | ||
| 318 | #define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL4_VECTOR_VADDR | ||
| 319 | #define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL4_VECTOR_PADDR | ||
| 320 | |||
| 321 | |||
| 322 | /*---------------------------------------------------------------------- | ||
| 323 | DEBUG | ||
| 324 | ----------------------------------------------------------------------*/ | ||
| 325 | |||
| 326 | #define XCHAL_HAVE_OCD 1 /* OnChipDebug option */ | ||
| 327 | #define XCHAL_NUM_IBREAK 2 /* number of IBREAKn regs */ | ||
| 328 | #define XCHAL_NUM_DBREAK 2 /* number of DBREAKn regs */ | ||
| 329 | #define XCHAL_HAVE_OCD_DIR_ARRAY 1 /* faster OCD option */ | ||
| 330 | |||
| 331 | |||
| 332 | /*---------------------------------------------------------------------- | ||
| 333 | MMU | ||
| 334 | ----------------------------------------------------------------------*/ | ||
| 335 | |||
| 336 | /* See <xtensa/config/core-matmap.h> header file for more details. */ | ||
| 337 | |||
| 338 | #define XCHAL_HAVE_TLBS 1 /* inverse of HAVE_CACHEATTR */ | ||
| 339 | #define XCHAL_HAVE_SPANNING_WAY 0 /* one way maps I+D 4GB vaddr */ | ||
| 340 | #define XCHAL_HAVE_IDENTITY_MAP 0 /* vaddr == paddr always */ | ||
| 341 | #define XCHAL_HAVE_CACHEATTR 0 /* CACHEATTR register present */ | ||
| 342 | #define XCHAL_HAVE_MIMIC_CACHEATTR 0 /* region protection */ | ||
| 343 | #define XCHAL_HAVE_XLT_CACHEATTR 0 /* region prot. w/translation */ | ||
| 344 | #define XCHAL_HAVE_PTP_MMU 1 /* full MMU (with page table | ||
| 345 | [autorefill] and protection) | ||
| 346 | usable for an MMU-based OS */ | ||
| 347 | /* If none of the above last 4 are set, it's a custom TLB configuration. */ | ||
| 348 | #define XCHAL_ITLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */ | ||
| 349 | #define XCHAL_DTLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */ | ||
| 350 | |||
| 351 | #define XCHAL_MMU_ASID_BITS 8 /* number of bits in ASIDs */ | ||
| 352 | #define XCHAL_MMU_RINGS 4 /* number of rings (1..4) */ | ||
| 353 | #define XCHAL_MMU_RING_BITS 2 /* num of bits in RING field */ | ||
| 354 | |||
| 355 | #endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */ | ||
| 356 | |||
| 357 | |||
| 358 | #endif /* _XTENSA_CORE_CONFIGURATION_H */ | ||
| 359 | |||
diff --git a/arch/xtensa/variants/fsf/include/variant/tie-asm.h b/arch/xtensa/variants/fsf/include/variant/tie-asm.h new file mode 100644 index 000000000000..68a73bf4ffc5 --- /dev/null +++ b/arch/xtensa/variants/fsf/include/variant/tie-asm.h | |||
| @@ -0,0 +1,70 @@ | |||
| 1 | /* | ||
| 2 | * This header file contains assembly-language definitions (assembly | ||
| 3 | * macros, etc.) for this specific Xtensa processor's TIE extensions | ||
| 4 | * and options. It is customized to this Xtensa processor configuration. | ||
| 5 | * | ||
| 6 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 7 | * License. See the file "COPYING" in the main directory of this archive | ||
| 8 | * for more details. | ||
| 9 | * | ||
| 10 | * Copyright (C) 1999-2008 Tensilica Inc. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef _XTENSA_CORE_TIE_ASM_H | ||
| 14 | #define _XTENSA_CORE_TIE_ASM_H | ||
| 15 | |||
| 16 | /* Selection parameter values for save-area save/restore macros: */ | ||
| 17 | /* Option vs. TIE: */ | ||
| 18 | #define XTHAL_SAS_TIE 0x0001 /* custom extension or coprocessor */ | ||
| 19 | #define XTHAL_SAS_OPT 0x0002 /* optional (and not a coprocessor) */ | ||
| 20 | /* Whether used automatically by compiler: */ | ||
| 21 | #define XTHAL_SAS_NOCC 0x0004 /* not used by compiler w/o special opts/code */ | ||
| 22 | #define XTHAL_SAS_CC 0x0008 /* used by compiler without special opts/code */ | ||
| 23 | /* ABI handling across function calls: */ | ||
| 24 | #define XTHAL_SAS_CALR 0x0010 /* caller-saved */ | ||
| 25 | #define XTHAL_SAS_CALE 0x0020 /* callee-saved */ | ||
| 26 | #define XTHAL_SAS_GLOB 0x0040 /* global across function calls (in thread) */ | ||
| 27 | /* Misc */ | ||
| 28 | #define XTHAL_SAS_ALL 0xFFFF /* include all default NCP contents */ | ||
| 29 | |||
| 30 | |||
| 31 | |||
| 32 | /* Macro to save all non-coprocessor (extra) custom TIE and optional state | ||
| 33 | * (not including zero-overhead loop registers). | ||
| 34 | * Save area ptr (clobbered): ptr (1 byte aligned) | ||
| 35 | * Scratch regs (clobbered): at1..at4 (only first XCHAL_NCP_NUM_ATMPS needed) | ||
| 36 | */ | ||
| 37 | .macro xchal_ncp_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL | ||
| 38 | xchal_sa_start \continue, \ofs | ||
| 39 | .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~\select | ||
| 40 | xchal_sa_align \ptr, 0, 1024-4, 4, 4 | ||
| 41 | rur \at1, THREADPTR // threadptr option | ||
| 42 | s32i \at1, \ptr, .Lxchal_ofs_ + 0 | ||
| 43 | .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 | ||
| 44 | .endif | ||
| 45 | .endm // xchal_ncp_store | ||
| 46 | |||
| 47 | /* Macro to save all non-coprocessor (extra) custom TIE and optional state | ||
| 48 | * (not including zero-overhead loop registers). | ||
| 49 | * Save area ptr (clobbered): ptr (1 byte aligned) | ||
| 50 | * Scratch regs (clobbered): at1..at4 (only first XCHAL_NCP_NUM_ATMPS needed) | ||
| 51 | */ | ||
| 52 | .macro xchal_ncp_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL | ||
| 53 | xchal_sa_start \continue, \ofs | ||
| 54 | .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~\select | ||
| 55 | xchal_sa_align \ptr, 0, 1024-4, 4, 4 | ||
| 56 | l32i \at1, \ptr, .Lxchal_ofs_ + 0 | ||
| 57 | wur \at1, THREADPTR // threadptr option | ||
| 58 | .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 | ||
| 59 | .endif | ||
| 60 | .endm // xchal_ncp_load | ||
| 61 | |||
| 62 | |||
| 63 | |||
| 64 | #define XCHAL_NCP_NUM_ATMPS 1 | ||
| 65 | |||
| 66 | |||
| 67 | #define XCHAL_SA_NUM_ATMPS 1 | ||
| 68 | |||
| 69 | #endif /*_XTENSA_CORE_TIE_ASM_H*/ | ||
| 70 | |||
diff --git a/arch/xtensa/variants/fsf/include/variant/tie.h b/arch/xtensa/variants/fsf/include/variant/tie.h new file mode 100644 index 000000000000..bf4020116df5 --- /dev/null +++ b/arch/xtensa/variants/fsf/include/variant/tie.h | |||
| @@ -0,0 +1,77 @@ | |||
| 1 | /* | ||
| 2 | * This header file describes this specific Xtensa processor's TIE extensions | ||
| 3 | * that extend basic Xtensa core functionality. It is customized to this | ||
| 4 | * Xtensa processor configuration. | ||
| 5 | * | ||
| 6 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 7 | * License. See the file "COPYING" in the main directory of this archive | ||
| 8 | * for more details. | ||
| 9 | * | ||
| 10 | * Copyright (C) 1999-2007 Tensilica Inc. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef _XTENSA_CORE_TIE_H | ||
| 14 | #define _XTENSA_CORE_TIE_H | ||
| 15 | |||
| 16 | #define XCHAL_CP_NUM 0 /* number of coprocessors */ | ||
| 17 | #define XCHAL_CP_MAX 0 /* max CP ID + 1 (0 if none) */ | ||
| 18 | #define XCHAL_CP_MASK 0x00 /* bitmask of all CPs by ID */ | ||
| 19 | #define XCHAL_CP_PORT_MASK 0x00 /* bitmask of only port CPs */ | ||
| 20 | |||
| 21 | /* Basic parameters of each coprocessor: */ | ||
| 22 | #define XCHAL_CP7_NAME "XTIOP" | ||
| 23 | #define XCHAL_CP7_IDENT XTIOP | ||
| 24 | #define XCHAL_CP7_SA_SIZE 0 /* size of state save area */ | ||
| 25 | #define XCHAL_CP7_SA_ALIGN 1 /* min alignment of save area */ | ||
| 26 | #define XCHAL_CP_ID_XTIOP 7 /* coprocessor ID (0..7) */ | ||
| 27 | |||
| 28 | /* Filler info for unassigned coprocessors, to simplify arrays etc: */ | ||
| 29 | #define XCHAL_NCP_SA_SIZE 0 | ||
| 30 | #define XCHAL_NCP_SA_ALIGN 1 | ||
| 31 | #define XCHAL_CP0_SA_SIZE 0 | ||
| 32 | #define XCHAL_CP0_SA_ALIGN 1 | ||
| 33 | #define XCHAL_CP1_SA_SIZE 0 | ||
| 34 | #define XCHAL_CP1_SA_ALIGN 1 | ||
| 35 | #define XCHAL_CP2_SA_SIZE 0 | ||
| 36 | #define XCHAL_CP2_SA_ALIGN 1 | ||
| 37 | #define XCHAL_CP3_SA_SIZE 0 | ||
| 38 | #define XCHAL_CP3_SA_ALIGN 1 | ||
| 39 | #define XCHAL_CP4_SA_SIZE 0 | ||
| 40 | #define XCHAL_CP4_SA_ALIGN 1 | ||
| 41 | #define XCHAL_CP5_SA_SIZE 0 | ||
| 42 | #define XCHAL_CP5_SA_ALIGN 1 | ||
| 43 | #define XCHAL_CP6_SA_SIZE 0 | ||
| 44 | #define XCHAL_CP6_SA_ALIGN 1 | ||
| 45 | |||
| 46 | /* Save area for non-coprocessor optional and custom (TIE) state: */ | ||
| 47 | #define XCHAL_NCP_SA_SIZE 0 | ||
| 48 | #define XCHAL_NCP_SA_ALIGN 1 | ||
| 49 | |||
| 50 | /* Total save area for optional and custom state (NCP + CPn): */ | ||
| 51 | #define XCHAL_TOTAL_SA_SIZE 0 /* with 16-byte align padding */ | ||
| 52 | #define XCHAL_TOTAL_SA_ALIGN 1 /* actual minimum alignment */ | ||
| 53 | |||
| 54 | #define XCHAL_NCP_SA_NUM 0 | ||
| 55 | #define XCHAL_NCP_SA_LIST(s) | ||
| 56 | #define XCHAL_CP0_SA_NUM 0 | ||
| 57 | #define XCHAL_CP0_SA_LIST(s) | ||
| 58 | #define XCHAL_CP1_SA_NUM 0 | ||
| 59 | #define XCHAL_CP1_SA_LIST(s) | ||
| 60 | #define XCHAL_CP2_SA_NUM 0 | ||
| 61 | #define XCHAL_CP2_SA_LIST(s) | ||
| 62 | #define XCHAL_CP3_SA_NUM 0 | ||
| 63 | #define XCHAL_CP3_SA_LIST(s) | ||
| 64 | #define XCHAL_CP4_SA_NUM 0 | ||
| 65 | #define XCHAL_CP4_SA_LIST(s) | ||
| 66 | #define XCHAL_CP5_SA_NUM 0 | ||
| 67 | #define XCHAL_CP5_SA_LIST(s) | ||
| 68 | #define XCHAL_CP6_SA_NUM 0 | ||
| 69 | #define XCHAL_CP6_SA_LIST(s) | ||
| 70 | #define XCHAL_CP7_SA_NUM 0 | ||
| 71 | #define XCHAL_CP7_SA_LIST(s) | ||
| 72 | |||
| 73 | /* Byte length of instruction from its first nibble (op0 field), per FLIX. */ | ||
| 74 | #define XCHAL_OP0_FORMAT_LENGTHS 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3 | ||
| 75 | |||
| 76 | #endif /*_XTENSA_CORE_TIE_H*/ | ||
| 77 | |||