arch/sparc/include/uapi/asm/asi.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _SPARC_ASI_H
   3 #define _SPARC_ASI_H
   4
   5 /* asi.h:  Address Space Identifier values for the sparc.
   6  *
   7  * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu)
   8  *
   9  * Pioneer work for sun4m: Paul Hatchman (paul@sfe.com.au)
  10  * Joint edition for sun4c+sun4m: Pete A. Zaitcev <zaitcev@ipmce.su>
  11  */
  12
  13 /* The first batch are for the sun4c. */
  14
  15 #define ASI_NULL1           0x00
  16 #define ASI_NULL2           0x01
  17
  18 /* sun4c and sun4 control registers and mmu/vac ops */
  19 #define ASI_CONTROL         0x02
  20 #define ASI_SEGMAP          0x03
  21 #define ASI_PTE             0x04
  22 #define ASI_HWFLUSHSEG      0x05
  23 #define ASI_HWFLUSHPAGE     0x06
  24 #define ASI_REGMAP          0x06
  25 #define ASI_HWFLUSHCONTEXT  0x07
  26
  27 #define ASI_USERTXT         0x08
  28 #define ASI_KERNELTXT       0x09
  29 #define ASI_USERDATA        0x0a
  30 #define ASI_KERNELDATA      0x0b
  31
  32 /* VAC Cache flushing on sun4c and sun4 */
  33 #define ASI_FLUSHSEG        0x0c
  34 #define ASI_FLUSHPG         0x0d
  35 #define ASI_FLUSHCTX        0x0e
  36
  37 /* SPARCstation-5: only 6 bits are decoded. */
  38 /* wo = Write Only, rw = Read Write;        */
  39 /* ss = Single Size, as = All Sizes;        */
  40 #define ASI_M_RES00         0x00   /* Don't touch... */
  41 #define ASI_M_UNA01         0x01   /* Same here... */
  42 #define ASI_M_MXCC          0x02   /* Access to TI VIKING MXCC registers */
  43 #define ASI_M_FLUSH_PROBE   0x03   /* Reference MMU Flush/Probe; rw, ss */
  44 #define ASI_M_MMUREGS       0x04   /* MMU Registers; rw, ss */
  45 #define ASI_M_TLBDIAG       0x05   /* MMU TLB only Diagnostics */
  46 #define ASI_M_DIAGS         0x06   /* Reference MMU Diagnostics */
  47 #define ASI_M_IODIAG        0x07   /* MMU I/O TLB only Diagnostics */
  48 #define ASI_M_USERTXT       0x08   /* Same as ASI_USERTXT; rw, as */
  49 #define ASI_M_KERNELTXT     0x09   /* Same as ASI_KERNELTXT; rw, as */
  50 #define ASI_M_USERDATA      0x0A   /* Same as ASI_USERDATA; rw, as */
  51 #define ASI_M_KERNELDATA    0x0B   /* Same as ASI_KERNELDATA; rw, as */
  52 #define ASI_M_TXTC_TAG      0x0C   /* Instruction Cache Tag; rw, ss */
  53 #define ASI_M_TXTC_DATA     0x0D   /* Instruction Cache Data; rw, ss */
  54 #define ASI_M_DATAC_TAG     0x0E   /* Data Cache Tag; rw, ss */
  55 #define ASI_M_DATAC_DATA    0x0F   /* Data Cache Data; rw, ss */
  56
  57 /* The following cache flushing ASIs work only with the 'sta'
  58  * instruction. Results are unpredictable for 'swap' and 'ldstuba',
  59  * so don't do it.
  60  */
  61
  62 /* These ASI flushes affect external caches too. */
  63 #define ASI_M_FLUSH_PAGE    0x10   /* Flush I&D Cache Line (page); wo, ss */
  64 #define ASI_M_FLUSH_SEG     0x11   /* Flush I&D Cache Line (seg); wo, ss */
  65 #define ASI_M_FLUSH_REGION  0x12   /* Flush I&D Cache Line (region); wo, ss */
  66 #define ASI_M_FLUSH_CTX     0x13   /* Flush I&D Cache Line (context); wo, ss */
  67 #define ASI_M_FLUSH_USER    0x14   /* Flush I&D Cache Line (user); wo, ss */
  68
  69 /* Block-copy operations are available only on certain V8 cpus. */
  70 #define ASI_M_BCOPY         0x17   /* Block copy */
  71
  72 /* These affect only the ICACHE and are Ross HyperSparc and TurboSparc specific. */
  73 #define ASI_M_IFLUSH_PAGE   0x18   /* Flush I Cache Line (page); wo, ss */
  74 #define ASI_M_IFLUSH_SEG    0x19   /* Flush I Cache Line (seg); wo, ss */
  75 #define ASI_M_IFLUSH_REGION 0x1A   /* Flush I Cache Line (region); wo, ss */
  76 #define ASI_M_IFLUSH_CTX    0x1B   /* Flush I Cache Line (context); wo, ss */
  77 #define ASI_M_IFLUSH_USER   0x1C   /* Flush I Cache Line (user); wo, ss */
  78
  79 /* Block-fill operations are available on certain V8 cpus */
  80 #define ASI_M_BFILL         0x1F
  81
  82 /* This allows direct access to main memory, actually 0x20 to 0x2f are
  83  * the available ASI's for physical ram pass-through, but I don't have
  84  * any idea what the other ones do....
  85  */
  86
  87 #define ASI_M_BYPASS       0x20   /* Reference MMU bypass; rw, as */
  88 #define ASI_M_FBMEM        0x29   /* Graphics card frame buffer access */
  89 #define ASI_M_VMEUS        0x2A   /* VME user 16-bit access */
  90 #define ASI_M_VMEPS        0x2B   /* VME priv 16-bit access */
  91 #define ASI_M_VMEUT        0x2C   /* VME user 32-bit access */
  92 #define ASI_M_VMEPT        0x2D   /* VME priv 32-bit access */
  93 #define ASI_M_SBUS         0x2E   /* Direct SBus access */
  94 #define ASI_M_CTL          0x2F   /* Control Space (ECC and MXCC are here) */
  95
  96
  97 /* This is ROSS HyperSparc only. */
  98 #define ASI_M_FLUSH_IWHOLE 0x31   /* Flush entire ICACHE; wo, ss */
  99
 100 /* Tsunami/Viking/TurboSparc i/d cache flash clear. */
 101 #define ASI_M_IC_FLCLEAR   0x36
 102 #define ASI_M_DC_FLCLEAR   0x37
 103
 104 #define ASI_M_DCDR         0x39   /* Data Cache Diagnostics Register rw, ss */
 105
 106 #define ASI_M_VIKING_TMP1  0x40   /* Emulation temporary 1 on Viking */
 107 /* only available on SuperSparc I */
 108 /* #define ASI_M_VIKING_TMP2  0x41 */  /* Emulation temporary 2 on Viking */
 109
 110 #define ASI_M_ACTION       0x4c   /* Breakpoint Action Register (GNU/Viking) */
 111
 112 /* LEON ASI */
 113 #define ASI_LEON_NOCACHE        0x01
 114
 115 #define ASI_LEON_DCACHE_MISS    0x01
 116
 117 #define ASI_LEON_CACHEREGS      0x02
 118 #define ASI_LEON_IFLUSH         0x10
 119 #define ASI_LEON_DFLUSH         0x11
 120
 121 #define ASI_LEON_MMUFLUSH       0x18
 122 #define ASI_LEON_MMUREGS        0x19
 123 #define ASI_LEON_BYPASS         0x1c
 124 #define ASI_LEON_FLUSH_PAGE     0x10
 125
 126 /* V9 Architecture mandary ASIs. */
 127 #define ASI_N                   0x04 /* Nucleus                         */
 128 #define ASI_NL                  0x0c /* Nucleus, little endian          */
 129 #define ASI_AIUP                0x10 /* Primary, user                   */
 130 #define ASI_AIUS                0x11 /* Secondary, user                 */
 131 #define ASI_AIUPL               0x18 /* Primary, user, little endian    */
 132 #define ASI_AIUSL               0x19 /* Secondary, user, little endian  */
 133 #define ASI_P                   0x80 /* Primary, implicit               */
 134 #define ASI_S                   0x81 /* Secondary, implicit             */
 135 #define ASI_PNF                 0x82 /* Primary, no fault               */
 136 #define ASI_SNF                 0x83 /* Secondary, no fault             */
 137 #define ASI_PL                  0x88 /* Primary, implicit, l-endian     */
 138 #define ASI_SL                  0x89 /* Secondary, implicit, l-endian   */
 139 #define ASI_PNFL                0x8a /* Primary, no fault, l-endian     */
 140 #define ASI_SNFL                0x8b /* Secondary, no fault, l-endian   */
 141
 142 /* SpitFire and later extended ASIs.  The "(III)" marker designates
 143  * UltraSparc-III and later specific ASIs.  The "(CMT)" marker designates
 144  * Chip Multi Threading specific ASIs.  "(NG)" designates Niagara specific
 145  * ASIs, "(4V)" designates SUN4V specific ASIs.  "(NG4)" designates SPARC-T4
 146  * and later ASIs.
 147  */
 148 #define ASI_PHYS_USE_EC         0x14 /* PADDR, E-cachable               */
 149 #define ASI_PHYS_BYPASS_EC_E    0x15 /* PADDR, E-bit                    */
 150 #define ASI_BLK_AIUP_4V         0x16 /* (4V) Prim, user, block ld/st    */
 151 #define ASI_BLK_AIUS_4V         0x17 /* (4V) Sec, user, block ld/st     */
 152 #define ASI_PHYS_USE_EC_L       0x1c /* PADDR, E-cachable, little endian*/
 153 #define ASI_PHYS_BYPASS_EC_E_L  0x1d /* PADDR, E-bit, little endian     */
 154 #define ASI_BLK_AIUP_L_4V       0x1e /* (4V) Prim, user, block, l-endian*/
 155 #define ASI_BLK_AIUS_L_4V       0x1f /* (4V) Sec, user, block, l-endian */
 156 #define ASI_SCRATCHPAD          0x20 /* (4V) Scratch Pad Registers      */
 157 #define ASI_MMU                 0x21 /* (4V) MMU Context Registers      */
 158 #define ASI_BLK_INIT_QUAD_LDD_AIUS 0x23 /* (NG) init-store, twin load,
 159                                          * secondary, user
 160                                          */
 161 #define ASI_NUCLEUS_QUAD_LDD    0x24 /* Cachable, qword load            */
 162 #define ASI_QUEUE               0x25 /* (4V) Interrupt Queue Registers  */
 163 #define ASI_QUAD_LDD_PHYS_4V    0x26 /* (4V) Physical, qword load       */
 164 #define ASI_NUCLEUS_QUAD_LDD_L  0x2c /* Cachable, qword load, l-endian  */
 165 #define ASI_QUAD_LDD_PHYS_L_4V  0x2e /* (4V) Phys, qword load, l-endian */
 166 #define ASI_PCACHE_DATA_STATUS  0x30 /* (III) PCache data stat RAM diag */
 167 #define ASI_PCACHE_DATA         0x31 /* (III) PCache data RAM diag      */
 168 #define ASI_PCACHE_TAG          0x32 /* (III) PCache tag RAM diag       */
 169 #define ASI_PCACHE_SNOOP_TAG    0x33 /* (III) PCache snoop tag RAM diag */
 170 #define ASI_QUAD_LDD_PHYS       0x34 /* (III+) PADDR, qword load        */
 171 #define ASI_WCACHE_VALID_BITS   0x38 /* (III) WCache Valid Bits diag    */
 172 #define ASI_WCACHE_DATA         0x39 /* (III) WCache data RAM diag      */
 173 #define ASI_WCACHE_TAG          0x3a /* (III) WCache tag RAM diag       */
 174 #define ASI_WCACHE_SNOOP_TAG    0x3b /* (III) WCache snoop tag RAM diag */
 175 #define ASI_QUAD_LDD_PHYS_L     0x3c /* (III+) PADDR, qw-load, l-endian */
 176 #define ASI_SRAM_FAST_INIT      0x40 /* (III+) Fast SRAM init           */
 177 #define ASI_CORE_AVAILABLE      0x41 /* (CMT) LP Available              */
 178 #define ASI_CORE_ENABLE_STAT    0x41 /* (CMT) LP Enable Status          */
 179 #define ASI_CORE_ENABLE         0x41 /* (CMT) LP Enable RW              */
 180 #define ASI_XIR_STEERING        0x41 /* (CMT) XIR Steering RW           */
 181 #define ASI_CORE_RUNNING_RW     0x41 /* (CMT) LP Running RW             */
 182 #define ASI_CORE_RUNNING_W1S    0x41 /* (CMT) LP Running Write-One Set  */
 183 #define ASI_CORE_RUNNING_W1C    0x41 /* (CMT) LP Running Write-One Clr  */
 184 #define ASI_CORE_RUNNING_STAT   0x41 /* (CMT) LP Running Status         */
 185 #define ASI_CMT_ERROR_STEERING  0x41 /* (CMT) Error Steering RW         */
 186 #define ASI_DCACHE_INVALIDATE   0x42 /* (III) DCache Invalidate diag    */
 187 #define ASI_DCACHE_UTAG         0x43 /* (III) DCache uTag diag          */
 188 #define ASI_DCACHE_SNOOP_TAG    0x44 /* (III) DCache snoop tag RAM diag */
 189 #define ASI_LSU_CONTROL         0x45 /* Load-store control unit         */
 190 #define ASI_DCU_CONTROL_REG     0x45 /* (III) DCache Unit Control reg   */
 191 #define ASI_DCACHE_DATA         0x46 /* DCache data-ram diag access     */
 192 #define ASI_DCACHE_TAG          0x47 /* Dcache tag/valid ram diag access*/
 193 #define ASI_INTR_DISPATCH_STAT  0x48 /* IRQ vector dispatch status      */
 194 #define ASI_INTR_RECEIVE        0x49 /* IRQ vector receive status       */
 195 #define ASI_UPA_CONFIG          0x4a /* UPA config space                */
 196 #define ASI_JBUS_CONFIG         0x4a /* (IIIi) JBUS Config Register     */
 197 #define ASI_SAFARI_CONFIG       0x4a /* (III) Safari Config Register    */
 198 #define ASI_SAFARI_ADDRESS      0x4a /* (III) Safari Address Register   */
 199 #define ASI_ESTATE_ERROR_EN     0x4b /* E-cache error enable space      */
 200 #define ASI_AFSR                0x4c /* Async fault status register     */
 201 #define ASI_AFAR                0x4d /* Async fault address register    */
 202 #define ASI_EC_TAG_DATA         0x4e /* E-cache tag/valid ram diag acc  */
 203 #define ASI_IMMU                0x50 /* Insn-MMU main register space    */
 204 #define ASI_IMMU_TSB_8KB_PTR    0x51 /* Insn-MMU 8KB TSB pointer reg    */
 205 #define ASI_IMMU_TSB_64KB_PTR   0x52 /* Insn-MMU 64KB TSB pointer reg   */
 206 #define ASI_ITLB_DATA_IN        0x54 /* Insn-MMU TLB data in reg        */
 207 #define ASI_ITLB_DATA_ACCESS    0x55 /* Insn-MMU TLB data access reg    */
 208 #define ASI_ITLB_TAG_READ       0x56 /* Insn-MMU TLB tag read reg       */
 209 #define ASI_IMMU_DEMAP          0x57 /* Insn-MMU TLB demap              */
 210 #define ASI_DMMU                0x58 /* Data-MMU main register space    */
 211 #define ASI_DMMU_TSB_8KB_PTR    0x59 /* Data-MMU 8KB TSB pointer reg    */
 212 #define ASI_DMMU_TSB_64KB_PTR   0x5a /* Data-MMU 16KB TSB pointer reg   */
 213 #define ASI_DMMU_TSB_DIRECT_PTR 0x5b /* Data-MMU TSB direct pointer reg */
 214 #define ASI_DTLB_DATA_IN        0x5c /* Data-MMU TLB data in reg        */
 215 #define ASI_DTLB_DATA_ACCESS    0x5d /* Data-MMU TLB data access reg    */
 216 #define ASI_DTLB_TAG_READ       0x5e /* Data-MMU TLB tag read reg       */
 217 #define ASI_DMMU_DEMAP          0x5f /* Data-MMU TLB demap              */
 218 #define ASI_IIU_INST_TRAP       0x60 /* (III) Instruction Breakpoint    */
 219 #define ASI_INTR_ID             0x63 /* (CMT) Interrupt ID register     */
 220 #define ASI_CORE_ID             0x63 /* (CMT) LP ID register            */
 221 #define ASI_CESR_ID             0x63 /* (CMT) CESR ID register          */
 222 #define ASI_IC_INSTR            0x66 /* Insn cache instrucion ram diag  */
 223 #define ASI_IC_TAG              0x67 /* Insn cache tag/valid ram diag   */
 224 #define ASI_IC_STAG             0x68 /* (III) Insn cache snoop tag ram  */
 225 #define ASI_IC_PRE_DECODE       0x6e /* Insn cache pre-decode ram diag  */
 226 #define ASI_IC_NEXT_FIELD       0x6f /* Insn cache next-field ram diag  */
 227 #define ASI_BRPRED_ARRAY        0x6f /* (III) Branch Prediction RAM diag*/
 228 #define ASI_BLK_AIUP            0x70 /* Primary, user, block load/store */
 229 #define ASI_BLK_AIUS            0x71 /* Secondary, user, block ld/st    */
 230 #define ASI_MCU_CTRL_REG        0x72 /* (III) Memory controller regs    */
 231 #define ASI_EC_DATA             0x74 /* (III) E-cache data staging reg  */
 232 #define ASI_EC_CTRL             0x75 /* (III) E-cache control reg       */
 233 #define ASI_EC_W                0x76 /* E-cache diag write access       */
 234 #define ASI_UDB_ERROR_W         0x77 /* External UDB error regs W       */
 235 #define ASI_UDB_CONTROL_W       0x77 /* External UDB control regs W     */
 236 #define ASI_INTR_W              0x77 /* IRQ vector dispatch write       */
 237 #define ASI_INTR_DATAN_W        0x77 /* (III) Out irq vector data reg N */
 238 #define ASI_INTR_DISPATCH_W     0x77 /* (III) Interrupt vector dispatch */
 239 #define ASI_BLK_AIUPL           0x78 /* Primary, user, little, blk ld/st*/
 240 #define ASI_BLK_AIUSL           0x79 /* Secondary, user, little, blk ld/st*/
 241 #define ASI_EC_R                0x7e /* E-cache diag read access        */
 242 #define ASI_UDBH_ERROR_R        0x7f /* External UDB error regs rd hi   */
 243 #define ASI_UDBL_ERROR_R        0x7f /* External UDB error regs rd low  */
 244 #define ASI_UDBH_CONTROL_R      0x7f /* External UDB control regs rd hi */
 245 #define ASI_UDBL_CONTROL_R      0x7f /* External UDB control regs rd low*/
 246 #define ASI_INTR_R              0x7f /* IRQ vector dispatch read        */
 247 #define ASI_INTR_DATAN_R        0x7f /* (III) In irq vector data reg N  */
 248 #define ASI_PIC                 0xb0 /* (NG4) PIC registers             */
 249 #define ASI_PST8_P              0xc0 /* Primary, 8 8-bit, partial       */
 250 #define ASI_PST8_S              0xc1 /* Secondary, 8 8-bit, partial     */
 251 #define ASI_PST16_P             0xc2 /* Primary, 4 16-bit, partial      */
 252 #define ASI_PST16_S             0xc3 /* Secondary, 4 16-bit, partial    */
 253 #define ASI_PST32_P             0xc4 /* Primary, 2 32-bit, partial      */
 254 #define ASI_PST32_S             0xc5 /* Secondary, 2 32-bit, partial    */
 255 #define ASI_PST8_PL             0xc8 /* Primary, 8 8-bit, partial, L    */
 256 #define ASI_PST8_SL             0xc9 /* Secondary, 8 8-bit, partial, L  */
 257 #define ASI_PST16_PL            0xca /* Primary, 4 16-bit, partial, L   */
 258 #define ASI_PST16_SL            0xcb /* Secondary, 4 16-bit, partial, L */
 259 #define ASI_PST32_PL            0xcc /* Primary, 2 32-bit, partial, L   */
 260 #define ASI_PST32_SL            0xcd /* Secondary, 2 32-bit, partial, L */
 261 #define ASI_FL8_P               0xd0 /* Primary, 1 8-bit, fpu ld/st     */
 262 #define ASI_FL8_S               0xd1 /* Secondary, 1 8-bit, fpu ld/st   */
 263 #define ASI_FL16_P              0xd2 /* Primary, 1 16-bit, fpu ld/st    */
 264 #define ASI_FL16_S              0xd3 /* Secondary, 1 16-bit, fpu ld/st  */
 265 #define ASI_FL8_PL              0xd8 /* Primary, 1 8-bit, fpu ld/st, L  */
 266 #define ASI_FL8_SL              0xd9 /* Secondary, 1 8-bit, fpu ld/st, L*/
 267 #define ASI_FL16_PL             0xda /* Primary, 1 16-bit, fpu ld/st, L */
 268 #define ASI_FL16_SL             0xdb /* Secondary, 1 16-bit, fpu ld/st,L*/
 269 #define ASI_BLK_COMMIT_P        0xe0 /* Primary, blk store commit       */
 270 #define ASI_BLK_COMMIT_S        0xe1 /* Secondary, blk store commit     */
 271 #define ASI_BLK_INIT_QUAD_LDD_P 0xe2 /* (NG) init-store, twin load,
 272                                       * primary, implicit
 273                                       */
 274 #define ASI_BLK_INIT_QUAD_LDD_S 0xe3 /* (NG) init-store, twin load,
 275                                       * secondary, implicit
 276                                       */
 277 #define ASI_BLK_P               0xf0 /* Primary, blk ld/st              */
 278 #define ASI_BLK_S               0xf1 /* Secondary, blk ld/st            */
 279 #define ASI_ST_BLKINIT_MRU_P    0xf2 /* (NG4) init-store, twin load,
 280                                       * Most-Recently-Used, primary,
 281                                       * implicit
 282                                       */
 283 #define ASI_ST_BLKINIT_MRU_S    0xf3 /* (NG4) init-store, twin load,
 284                                       * Most-Recently-Used, secondary,
 285                                       * implicit
 286                                       */
 287 #define ASI_BLK_PL              0xf8 /* Primary, blk ld/st, little      */
 288 #define ASI_BLK_SL              0xf9 /* Secondary, blk ld/st, little    */
 289 #define ASI_ST_BLKINIT_MRU_PL   0xfa /* (NG4) init-store, twin load,
 290                                       * Most-Recently-Used, primary,
 291                                       * implicit, little-endian
 292                                       */
 293 #define ASI_ST_BLKINIT_MRU_SL   0xfb /* (NG4) init-store, twin load,
 294                                       * Most-Recently-Used, secondary,
 295                                       * implicit, little-endian
 296                                       */
 297
 298 #endif /* _SPARC_ASI_H */