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_MCD_PRIV_PRIMARY 0x02 /* (NG7) Privileged MCD version VA */ 149#define ASI_MCD_REAL 0x05 /* (NG7) Privileged MCD version PA */ 150#define ASI_PHYS_USE_EC 0x14 /* PADDR, E-cachable */ 151#define ASI_PHYS_BYPASS_EC_E 0x15 /* PADDR, E-bit */ 152#define ASI_BLK_AIUP_4V 0x16 /* (4V) Prim, user, block ld/st */ 153#define ASI_BLK_AIUS_4V 0x17 /* (4V) Sec, user, block ld/st */ 154#define ASI_PHYS_USE_EC_L 0x1c /* PADDR, E-cachable, little endian*/ 155#define ASI_PHYS_BYPASS_EC_E_L 0x1d /* PADDR, E-bit, little endian */ 156#define ASI_BLK_AIUP_L_4V 0x1e /* (4V) Prim, user, block, l-endian*/ 157#define ASI_BLK_AIUS_L_4V 0x1f /* (4V) Sec, user, block, l-endian */ 158#define ASI_SCRATCHPAD 0x20 /* (4V) Scratch Pad Registers */ 159#define ASI_MMU 0x21 /* (4V) MMU Context Registers */ 160#define ASI_BLK_INIT_QUAD_LDD_AIUS 0x23 /* (NG) init-store, twin load, 161 * secondary, user 162 */ 163#define ASI_NUCLEUS_QUAD_LDD 0x24 /* Cachable, qword load */ 164#define ASI_QUEUE 0x25 /* (4V) Interrupt Queue Registers */ 165#define ASI_QUAD_LDD_PHYS_4V 0x26 /* (4V) Physical, qword load */ 166#define ASI_NUCLEUS_QUAD_LDD_L 0x2c /* Cachable, qword load, l-endian */ 167#define ASI_QUAD_LDD_PHYS_L_4V 0x2e /* (4V) Phys, qword load, l-endian */ 168#define ASI_PCACHE_DATA_STATUS 0x30 /* (III) PCache data stat RAM diag */ 169#define ASI_PCACHE_DATA 0x31 /* (III) PCache data RAM diag */ 170#define ASI_PCACHE_TAG 0x32 /* (III) PCache tag RAM diag */ 171#define ASI_PCACHE_SNOOP_TAG 0x33 /* (III) PCache snoop tag RAM diag */ 172#define ASI_QUAD_LDD_PHYS 0x34 /* (III+) PADDR, qword load */ 173#define ASI_WCACHE_VALID_BITS 0x38 /* (III) WCache Valid Bits diag */ 174#define ASI_WCACHE_DATA 0x39 /* (III) WCache data RAM diag */ 175#define ASI_WCACHE_TAG 0x3a /* (III) WCache tag RAM diag */ 176#define ASI_WCACHE_SNOOP_TAG 0x3b /* (III) WCache snoop tag RAM diag */ 177#define ASI_QUAD_LDD_PHYS_L 0x3c /* (III+) PADDR, qw-load, l-endian */ 178#define ASI_SRAM_FAST_INIT 0x40 /* (III+) Fast SRAM init */ 179#define ASI_CORE_AVAILABLE 0x41 /* (CMT) LP Available */ 180#define ASI_CORE_ENABLE_STAT 0x41 /* (CMT) LP Enable Status */ 181#define ASI_CORE_ENABLE 0x41 /* (CMT) LP Enable RW */ 182#define ASI_XIR_STEERING 0x41 /* (CMT) XIR Steering RW */ 183#define ASI_CORE_RUNNING_RW 0x41 /* (CMT) LP Running RW */ 184#define ASI_CORE_RUNNING_W1S 0x41 /* (CMT) LP Running Write-One Set */ 185#define ASI_CORE_RUNNING_W1C 0x41 /* (CMT) LP Running Write-One Clr */ 186#define ASI_CORE_RUNNING_STAT 0x41 /* (CMT) LP Running Status */ 187#define ASI_CMT_ERROR_STEERING 0x41 /* (CMT) Error Steering RW */ 188#define ASI_DCACHE_INVALIDATE 0x42 /* (III) DCache Invalidate diag */ 189#define ASI_DCACHE_UTAG 0x43 /* (III) DCache uTag diag */ 190#define ASI_DCACHE_SNOOP_TAG 0x44 /* (III) DCache snoop tag RAM diag */ 191#define ASI_LSU_CONTROL 0x45 /* Load-store control unit */ 192#define ASI_DCU_CONTROL_REG 0x45 /* (III) DCache Unit Control reg */ 193#define ASI_DCACHE_DATA 0x46 /* DCache data-ram diag access */ 194#define ASI_DCACHE_TAG 0x47 /* Dcache tag/valid ram diag access*/ 195#define ASI_INTR_DISPATCH_STAT 0x48 /* IRQ vector dispatch status */ 196#define ASI_INTR_RECEIVE 0x49 /* IRQ vector receive status */ 197#define ASI_UPA_CONFIG 0x4a /* UPA config space */ 198#define ASI_JBUS_CONFIG 0x4a /* (IIIi) JBUS Config Register */ 199#define ASI_SAFARI_CONFIG 0x4a /* (III) Safari Config Register */ 200#define ASI_SAFARI_ADDRESS 0x4a /* (III) Safari Address Register */ 201#define ASI_ESTATE_ERROR_EN 0x4b /* E-cache error enable space */ 202#define ASI_AFSR 0x4c /* Async fault status register */ 203#define ASI_AFAR 0x4d /* Async fault address register */ 204#define ASI_EC_TAG_DATA 0x4e /* E-cache tag/valid ram diag acc */ 205#define ASI_IMMU 0x50 /* Insn-MMU main register space */ 206#define ASI_IMMU_TSB_8KB_PTR 0x51 /* Insn-MMU 8KB TSB pointer reg */ 207#define ASI_IMMU_TSB_64KB_PTR 0x52 /* Insn-MMU 64KB TSB pointer reg */ 208#define ASI_ITLB_DATA_IN 0x54 /* Insn-MMU TLB data in reg */ 209#define ASI_ITLB_DATA_ACCESS 0x55 /* Insn-MMU TLB data access reg */ 210#define ASI_ITLB_TAG_READ 0x56 /* Insn-MMU TLB tag read reg */ 211#define ASI_IMMU_DEMAP 0x57 /* Insn-MMU TLB demap */ 212#define ASI_DMMU 0x58 /* Data-MMU main register space */ 213#define ASI_DMMU_TSB_8KB_PTR 0x59 /* Data-MMU 8KB TSB pointer reg */ 214#define ASI_DMMU_TSB_64KB_PTR 0x5a /* Data-MMU 16KB TSB pointer reg */ 215#define ASI_DMMU_TSB_DIRECT_PTR 0x5b /* Data-MMU TSB direct pointer reg */ 216#define ASI_DTLB_DATA_IN 0x5c /* Data-MMU TLB data in reg */ 217#define ASI_DTLB_DATA_ACCESS 0x5d /* Data-MMU TLB data access reg */ 218#define ASI_DTLB_TAG_READ 0x5e /* Data-MMU TLB tag read reg */ 219#define ASI_DMMU_DEMAP 0x5f /* Data-MMU TLB demap */ 220#define ASI_IIU_INST_TRAP 0x60 /* (III) Instruction Breakpoint */ 221#define ASI_INTR_ID 0x63 /* (CMT) Interrupt ID register */ 222#define ASI_CORE_ID 0x63 /* (CMT) LP ID register */ 223#define ASI_CESR_ID 0x63 /* (CMT) CESR ID register */ 224#define ASI_IC_INSTR 0x66 /* Insn cache instrucion ram diag */ 225#define ASI_IC_TAG 0x67 /* Insn cache tag/valid ram diag */ 226#define ASI_IC_STAG 0x68 /* (III) Insn cache snoop tag ram */ 227#define ASI_IC_PRE_DECODE 0x6e /* Insn cache pre-decode ram diag */ 228#define ASI_IC_NEXT_FIELD 0x6f /* Insn cache next-field ram diag */ 229#define ASI_BRPRED_ARRAY 0x6f /* (III) Branch Prediction RAM diag*/ 230#define ASI_BLK_AIUP 0x70 /* Primary, user, block load/store */ 231#define ASI_BLK_AIUS 0x71 /* Secondary, user, block ld/st */ 232#define ASI_MCU_CTRL_REG 0x72 /* (III) Memory controller regs */ 233#define ASI_EC_DATA 0x74 /* (III) E-cache data staging reg */ 234#define ASI_EC_CTRL 0x75 /* (III) E-cache control reg */ 235#define ASI_EC_W 0x76 /* E-cache diag write access */ 236#define ASI_UDB_ERROR_W 0x77 /* External UDB error regs W */ 237#define ASI_UDB_CONTROL_W 0x77 /* External UDB control regs W */ 238#define ASI_INTR_W 0x77 /* IRQ vector dispatch write */ 239#define ASI_INTR_DATAN_W 0x77 /* (III) Out irq vector data reg N */ 240#define ASI_INTR_DISPATCH_W 0x77 /* (III) Interrupt vector dispatch */ 241#define ASI_BLK_AIUPL 0x78 /* Primary, user, little, blk ld/st*/ 242#define ASI_BLK_AIUSL 0x79 /* Secondary, user, little, blk ld/st*/ 243#define ASI_EC_R 0x7e /* E-cache diag read access */ 244#define ASI_UDBH_ERROR_R 0x7f /* External UDB error regs rd hi */ 245#define ASI_UDBL_ERROR_R 0x7f /* External UDB error regs rd low */ 246#define ASI_UDBH_CONTROL_R 0x7f /* External UDB control regs rd hi */ 247#define ASI_UDBL_CONTROL_R 0x7f /* External UDB control regs rd low*/ 248#define ASI_INTR_R 0x7f /* IRQ vector dispatch read */ 249#define ASI_INTR_DATAN_R 0x7f /* (III) In irq vector data reg N */ 250#define ASI_MCD_PRIMARY 0x90 /* (NG7) MCD version load/store */ 251#define ASI_MCD_ST_BLKINIT_PRIMARY \ 252 0x92 /* (NG7) MCD store BLKINIT primary */ 253#define ASI_PIC 0xb0 /* (NG4) PIC registers */ 254#define ASI_PST8_P 0xc0 /* Primary, 8 8-bit, partial */ 255#define ASI_PST8_S 0xc1 /* Secondary, 8 8-bit, partial */ 256#define ASI_PST16_P 0xc2 /* Primary, 4 16-bit, partial */ 257#define ASI_PST16_S 0xc3 /* Secondary, 4 16-bit, partial */ 258#define ASI_PST32_P 0xc4 /* Primary, 2 32-bit, partial */ 259#define ASI_PST32_S 0xc5 /* Secondary, 2 32-bit, partial */ 260#define ASI_PST8_PL 0xc8 /* Primary, 8 8-bit, partial, L */ 261#define ASI_PST8_SL 0xc9 /* Secondary, 8 8-bit, partial, L */ 262#define ASI_PST16_PL 0xca /* Primary, 4 16-bit, partial, L */ 263#define ASI_PST16_SL 0xcb /* Secondary, 4 16-bit, partial, L */ 264#define ASI_PST32_PL 0xcc /* Primary, 2 32-bit, partial, L */ 265#define ASI_PST32_SL 0xcd /* Secondary, 2 32-bit, partial, L */ 266#define ASI_FL8_P 0xd0 /* Primary, 1 8-bit, fpu ld/st */ 267#define ASI_FL8_S 0xd1 /* Secondary, 1 8-bit, fpu ld/st */ 268#define ASI_FL16_P 0xd2 /* Primary, 1 16-bit, fpu ld/st */ 269#define ASI_FL16_S 0xd3 /* Secondary, 1 16-bit, fpu ld/st */ 270#define ASI_FL8_PL 0xd8 /* Primary, 1 8-bit, fpu ld/st, L */ 271#define ASI_FL8_SL 0xd9 /* Secondary, 1 8-bit, fpu ld/st, L*/ 272#define ASI_FL16_PL 0xda /* Primary, 1 16-bit, fpu ld/st, L */ 273#define ASI_FL16_SL 0xdb /* Secondary, 1 16-bit, fpu ld/st,L*/ 274#define ASI_BLK_COMMIT_P 0xe0 /* Primary, blk store commit */ 275#define ASI_BLK_COMMIT_S 0xe1 /* Secondary, blk store commit */ 276#define ASI_BLK_INIT_QUAD_LDD_P 0xe2 /* (NG) init-store, twin load, 277 * primary, implicit 278 */ 279#define ASI_BLK_INIT_QUAD_LDD_S 0xe3 /* (NG) init-store, twin load, 280 * secondary, implicit 281 */ 282#define ASI_BLK_P 0xf0 /* Primary, blk ld/st */ 283#define ASI_BLK_S 0xf1 /* Secondary, blk ld/st */ 284#define ASI_ST_BLKINIT_MRU_P 0xf2 /* (NG4) init-store, twin load, 285 * Most-Recently-Used, primary, 286 * implicit 287 */ 288#define ASI_ST_BLKINIT_MRU_S 0xf3 /* (NG4) init-store, twin load, 289 * Most-Recently-Used, secondary, 290 * implicit 291 */ 292#define ASI_BLK_PL 0xf8 /* Primary, blk ld/st, little */ 293#define ASI_BLK_SL 0xf9 /* Secondary, blk ld/st, little */ 294#define ASI_ST_BLKINIT_MRU_PL 0xfa /* (NG4) init-store, twin load, 295 * Most-Recently-Used, primary, 296 * implicit, little-endian 297 */ 298#define ASI_ST_BLKINIT_MRU_SL 0xfb /* (NG4) init-store, twin load, 299 * Most-Recently-Used, secondary, 300 * implicit, little-endian 301 */ 302 303#endif /* _SPARC_ASI_H */ 304