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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _SPARC_ASI_H
#define _SPARC_ASI_H
/* asi.h: Address Space Identifier values for the sparc.
*
* Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu)
*
* Pioneer work for sun4m: Paul Hatchman (paul@sfe.com.au)
* Joint edition for sun4c+sun4m: Pete A. Zaitcev <zaitcev@ipmce.su>
*/
/* The first batch are for the sun4c. */
#define ASI_NULL1 0x00
#define ASI_NULL2 0x01
/* sun4c and sun4 control registers and mmu/vac ops */
#define ASI_CONTROL 0x02
#define ASI_SEGMAP 0x03
#define ASI_PTE 0x04
#define ASI_HWFLUSHSEG 0x05
#define ASI_HWFLUSHPAGE 0x06
#define ASI_REGMAP 0x06
#define ASI_HWFLUSHCONTEXT 0x07
#define ASI_USERTXT 0x08
#define ASI_KERNELTXT 0x09
#define ASI_USERDATA 0x0a
#define ASI_KERNELDATA 0x0b
/* VAC Cache flushing on sun4c and sun4 */
#define ASI_FLUSHSEG 0x0c
#define ASI_FLUSHPG 0x0d
#define ASI_FLUSHCTX 0x0e
/* SPARCstation-5: only 6 bits are decoded. */
/* wo = Write Only, rw = Read Write; */
/* ss = Single Size, as = All Sizes; */
#define ASI_M_RES00 0x00 /* Don't touch... */
#define ASI_M_UNA01 0x01 /* Same here... */
#define ASI_M_MXCC 0x02 /* Access to TI VIKING MXCC registers */
#define ASI_M_FLUSH_PROBE 0x03 /* Reference MMU Flush/Probe; rw, ss */
#define ASI_M_MMUREGS 0x04 /* MMU Registers; rw, ss */
#define ASI_M_TLBDIAG 0x05 /* MMU TLB only Diagnostics */
#define ASI_M_DIAGS 0x06 /* Reference MMU Diagnostics */
#define ASI_M_IODIAG 0x07 /* MMU I/O TLB only Diagnostics */
#define ASI_M_USERTXT 0x08 /* Same as ASI_USERTXT; rw, as */
#define ASI_M_KERNELTXT 0x09 /* Same as ASI_KERNELTXT; rw, as */
#define ASI_M_USERDATA 0x0A /* Same as ASI_USERDATA; rw, as */
#define ASI_M_KERNELDATA 0x0B /* Same as ASI_KERNELDATA; rw, as */
#define ASI_M_TXTC_TAG 0x0C /* Instruction Cache Tag; rw, ss */
#define ASI_M_TXTC_DATA 0x0D /* Instruction Cache Data; rw, ss */
#define ASI_M_DATAC_TAG 0x0E /* Data Cache Tag; rw, ss */
#define ASI_M_DATAC_DATA 0x0F /* Data Cache Data; rw, ss */
/* The following cache flushing ASIs work only with the 'sta'
* instruction. Results are unpredictable for 'swap' and 'ldstuba',
* so don't do it.
*/
/* These ASI flushes affect external caches too. */
#define ASI_M_FLUSH_PAGE 0x10 /* Flush I&D Cache Line (page); wo, ss */
#define ASI_M_FLUSH_SEG 0x11 /* Flush I&D Cache Line (seg); wo, ss */
#define ASI_M_FLUSH_REGION 0x12 /* Flush I&D Cache Line (region); wo, ss */
#define ASI_M_FLUSH_CTX 0x13 /* Flush I&D Cache Line (context); wo, ss */
#define ASI_M_FLUSH_USER 0x14 /* Flush I&D Cache Line (user); wo, ss */
/* Block-copy operations are available only on certain V8 cpus. */
#define ASI_M_BCOPY 0x17 /* Block copy */
/* These affect only the ICACHE and are Ross HyperSparc and TurboSparc specific. */
#define ASI_M_IFLUSH_PAGE 0x18 /* Flush I Cache Line (page); wo, ss */
#define ASI_M_IFLUSH_SEG 0x19 /* Flush I Cache Line (seg); wo, ss */
#define ASI_M_IFLUSH_REGION 0x1A /* Flush I Cache Line (region); wo, ss */
#define ASI_M_IFLUSH_CTX 0x1B /* Flush I Cache Line (context); wo, ss */
#define ASI_M_IFLUSH_USER 0x1C /* Flush I Cache Line (user); wo, ss */
/* Block-fill operations are available on certain V8 cpus */
#define ASI_M_BFILL 0x1F
/* This allows direct access to main memory, actually 0x20 to 0x2f are
* the available ASI's for physical ram pass-through, but I don't have
* any idea what the other ones do....
*/
#define ASI_M_BYPASS 0x20 /* Reference MMU bypass; rw, as */
#define ASI_M_FBMEM 0x29 /* Graphics card frame buffer access */
#define ASI_M_VMEUS 0x2A /* VME user 16-bit access */
#define ASI_M_VMEPS 0x2B /* VME priv 16-bit access */
#define ASI_M_VMEUT 0x2C /* VME user 32-bit access */
#define ASI_M_VMEPT 0x2D /* VME priv 32-bit access */
#define ASI_M_SBUS 0x2E /* Direct SBus access */
#define ASI_M_CTL 0x2F /* Control Space (ECC and MXCC are here) */
/* This is ROSS HyperSparc only. */
#define ASI_M_FLUSH_IWHOLE 0x31 /* Flush entire ICACHE; wo, ss */
/* Tsunami/Viking/TurboSparc i/d cache flash clear. */
#define ASI_M_IC_FLCLEAR 0x36
#define ASI_M_DC_FLCLEAR 0x37
#define ASI_M_DCDR 0x39 /* Data Cache Diagnostics Register rw, ss */
#define ASI_M_VIKING_TMP1 0x40 /* Emulation temporary 1 on Viking */
/* only available on SuperSparc I */
/* #define ASI_M_VIKING_TMP2 0x41 */ /* Emulation temporary 2 on Viking */
#define ASI_M_ACTION 0x4c /* Breakpoint Action Register (GNU/Viking) */
/* LEON ASI */
#define ASI_LEON_NOCACHE 0x01
#define ASI_LEON_DCACHE_MISS 0x01
#define ASI_LEON_CACHEREGS 0x02
#define ASI_LEON_IFLUSH 0x10
#define ASI_LEON_DFLUSH 0x11
#define ASI_LEON_MMUFLUSH 0x18
#define ASI_LEON_MMUREGS 0x19
#define ASI_LEON_BYPASS 0x1c
#define ASI_LEON_FLUSH_PAGE 0x10
/* V9 Architecture mandary ASIs. */
#define ASI_N 0x04 /* Nucleus */
#define ASI_NL 0x0c /* Nucleus, little endian */
#define ASI_AIUP 0x10 /* Primary, user */
#define ASI_AIUS 0x11 /* Secondary, user */
#define ASI_AIUPL 0x18 /* Primary, user, little endian */
#define ASI_AIUSL 0x19 /* Secondary, user, little endian */
#define ASI_P 0x80 /* Primary, implicit */
#define ASI_S 0x81 /* Secondary, implicit */
#define ASI_PNF 0x82 /* Primary, no fault */
#define ASI_SNF 0x83 /* Secondary, no fault */
#define ASI_PL 0x88 /* Primary, implicit, l-endian */
#define ASI_SL 0x89 /* Secondary, implicit, l-endian */
#define ASI_PNFL 0x8a /* Primary, no fault, l-endian */
#define ASI_SNFL 0x8b /* Secondary, no fault, l-endian */
/* SpitFire and later extended ASIs. The "(III)" marker designates
* UltraSparc-III and later specific ASIs. The "(CMT)" marker designates
* Chip Multi Threading specific ASIs. "(NG)" designates Niagara specific
* ASIs, "(4V)" designates SUN4V specific ASIs. "(NG4)" designates SPARC-T4
* and later ASIs.
*/
#define ASI_MCD_PRIV_PRIMARY 0x02 /* (NG7) Privileged MCD version VA */
#define ASI_MCD_REAL 0x05 /* (NG7) Privileged MCD version PA */
#define ASI_PHYS_USE_EC 0x14 /* PADDR, E-cachable */
#define ASI_PHYS_BYPASS_EC_E 0x15 /* PADDR, E-bit */
#define ASI_BLK_AIUP_4V 0x16 /* (4V) Prim, user, block ld/st */
#define ASI_BLK_AIUS_4V 0x17 /* (4V) Sec, user, block ld/st */
#define ASI_PHYS_USE_EC_L 0x1c /* PADDR, E-cachable, little endian*/
#define ASI_PHYS_BYPASS_EC_E_L 0x1d /* PADDR, E-bit, little endian */
#define ASI_BLK_AIUP_L_4V 0x1e /* (4V) Prim, user, block, l-endian*/
#define ASI_BLK_AIUS_L_4V 0x1f /* (4V) Sec, user, block, l-endian */
#define ASI_SCRATCHPAD 0x20 /* (4V) Scratch Pad Registers */
#define ASI_MMU 0x21 /* (4V) MMU Context Registers */
#define ASI_BLK_INIT_QUAD_LDD_AIUS 0x23 /* (NG) init-store, twin load,
* secondary, user
*/
#define ASI_NUCLEUS_QUAD_LDD 0x24 /* Cachable, qword load */
#define ASI_QUEUE 0x25 /* (4V) Interrupt Queue Registers */
#define ASI_QUAD_LDD_PHYS_4V 0x26 /* (4V) Physical, qword load */
#define ASI_NUCLEUS_QUAD_LDD_L 0x2c /* Cachable, qword load, l-endian */
#define ASI_QUAD_LDD_PHYS_L_4V 0x2e /* (4V) Phys, qword load, l-endian */
#define ASI_PCACHE_DATA_STATUS 0x30 /* (III) PCache data stat RAM diag */
#define ASI_PCACHE_DATA 0x31 /* (III) PCache data RAM diag */
#define ASI_PCACHE_TAG 0x32 /* (III) PCache tag RAM diag */
#define ASI_PCACHE_SNOOP_TAG 0x33 /* (III) PCache snoop tag RAM diag */
#define ASI_QUAD_LDD_PHYS 0x34 /* (III+) PADDR, qword load */
#define ASI_WCACHE_VALID_BITS 0x38 /* (III) WCache Valid Bits diag */
#define ASI_WCACHE_DATA 0x39 /* (III) WCache data RAM diag */
#define ASI_WCACHE_TAG 0x3a /* (III) WCache tag RAM diag */
#define ASI_WCACHE_SNOOP_TAG 0x3b /* (III) WCache snoop tag RAM diag */
#define ASI_QUAD_LDD_PHYS_L 0x3c /* (III+) PADDR, qw-load, l-endian */
#define ASI_SRAM_FAST_INIT 0x40 /* (III+) Fast SRAM init */
#define ASI_CORE_AVAILABLE 0x41 /* (CMT) LP Available */
#define ASI_CORE_ENABLE_STAT 0x41 /* (CMT) LP Enable Status */
#define ASI_CORE_ENABLE 0x41 /* (CMT) LP Enable RW */
#define ASI_XIR_STEERING 0x41 /* (CMT) XIR Steering RW */
#define ASI_CORE_RUNNING_RW 0x41 /* (CMT) LP Running RW */
#define ASI_CORE_RUNNING_W1S 0x41 /* (CMT) LP Running Write-One Set */
#define ASI_CORE_RUNNING_W1C 0x41 /* (CMT) LP Running Write-One Clr */
#define ASI_CORE_RUNNING_STAT 0x41 /* (CMT) LP Running Status */
#define ASI_CMT_ERROR_STEERING 0x41 /* (CMT) Error Steering RW */
#define ASI_DCACHE_INVALIDATE 0x42 /* (III) DCache Invalidate diag */
#define ASI_DCACHE_UTAG 0x43 /* (III) DCache uTag diag */
#define ASI_DCACHE_SNOOP_TAG 0x44 /* (III) DCache snoop tag RAM diag */
#define ASI_LSU_CONTROL 0x45 /* Load-store control unit */
#define ASI_DCU_CONTROL_REG 0x45 /* (III) DCache Unit Control reg */
#define ASI_DCACHE_DATA 0x46 /* DCache data-ram diag access */
#define ASI_DCACHE_TAG 0x47 /* Dcache tag/valid ram diag access*/
#define ASI_INTR_DISPATCH_STAT 0x48 /* IRQ vector dispatch status */
#define ASI_INTR_RECEIVE 0x49 /* IRQ vector receive status */
#define ASI_UPA_CONFIG 0x4a /* UPA config space */
#define ASI_JBUS_CONFIG 0x4a /* (IIIi) JBUS Config Register */
#define ASI_SAFARI_CONFIG 0x4a /* (III) Safari Config Register */
#define ASI_SAFARI_ADDRESS 0x4a /* (III) Safari Address Register */
#define ASI_ESTATE_ERROR_EN 0x4b /* E-cache error enable space */
#define ASI_AFSR 0x4c /* Async fault status register */
#define ASI_AFAR 0x4d /* Async fault address register */
#define ASI_EC_TAG_DATA 0x4e /* E-cache tag/valid ram diag acc */
#define ASI_IMMU 0x50 /* Insn-MMU main register space */
#define ASI_IMMU_TSB_8KB_PTR 0x51 /* Insn-MMU 8KB TSB pointer reg */
#define ASI_IMMU_TSB_64KB_PTR 0x52 /* Insn-MMU 64KB TSB pointer reg */
#define ASI_ITLB_DATA_IN 0x54 /* Insn-MMU TLB data in reg */
#define ASI_ITLB_DATA_ACCESS 0x55 /* Insn-MMU TLB data access reg */
#define ASI_ITLB_TAG_READ 0x56 /* Insn-MMU TLB tag read reg */
#define ASI_IMMU_DEMAP 0x57 /* Insn-MMU TLB demap */
#define ASI_DMMU 0x58 /* Data-MMU main register space */
#define ASI_DMMU_TSB_8KB_PTR 0x59 /* Data-MMU 8KB TSB pointer reg */
#define ASI_DMMU_TSB_64KB_PTR 0x5a /* Data-MMU 16KB TSB pointer reg */
#define ASI_DMMU_TSB_DIRECT_PTR 0x5b /* Data-MMU TSB direct pointer reg */
#define ASI_DTLB_DATA_IN 0x5c /* Data-MMU TLB data in reg */
#define ASI_DTLB_DATA_ACCESS 0x5d /* Data-MMU TLB data access reg */
#define ASI_DTLB_TAG_READ 0x5e /* Data-MMU TLB tag read reg */
#define ASI_DMMU_DEMAP 0x5f /* Data-MMU TLB demap */
#define ASI_IIU_INST_TRAP 0x60 /* (III) Instruction Breakpoint */
#define ASI_INTR_ID 0x63 /* (CMT) Interrupt ID register */
#define ASI_CORE_ID 0x63 /* (CMT) LP ID register */
#define ASI_CESR_ID 0x63 /* (CMT) CESR ID register */
#define ASI_IC_INSTR 0x66 /* Insn cache instrucion ram diag */
#define ASI_IC_TAG 0x67 /* Insn cache tag/valid ram diag */
#define ASI_IC_STAG 0x68 /* (III) Insn cache snoop tag ram */
#define ASI_IC_PRE_DECODE 0x6e /* Insn cache pre-decode ram diag */
#define ASI_IC_NEXT_FIELD 0x6f /* Insn cache next-field ram diag */
#define ASI_BRPRED_ARRAY 0x6f /* (III) Branch Prediction RAM diag*/
#define ASI_BLK_AIUP 0x70 /* Primary, user, block load/store */
#define ASI_BLK_AIUS 0x71 /* Secondary, user, block ld/st */
#define ASI_MCU_CTRL_REG 0x72 /* (III) Memory controller regs */
#define ASI_EC_DATA 0x74 /* (III) E-cache data staging reg */
#define ASI_EC_CTRL 0x75 /* (III) E-cache control reg */
#define ASI_EC_W 0x76 /* E-cache diag write access */
#define ASI_UDB_ERROR_W 0x77 /* External UDB error regs W */
#define ASI_UDB_CONTROL_W 0x77 /* External UDB control regs W */
#define ASI_INTR_W 0x77 /* IRQ vector dispatch write */
#define ASI_INTR_DATAN_W 0x77 /* (III) Out irq vector data reg N */
#define ASI_INTR_DISPATCH_W 0x77 /* (III) Interrupt vector dispatch */
#define ASI_BLK_AIUPL 0x78 /* Primary, user, little, blk ld/st*/
#define ASI_BLK_AIUSL 0x79 /* Secondary, user, little, blk ld/st*/
#define ASI_EC_R 0x7e /* E-cache diag read access */
#define ASI_UDBH_ERROR_R 0x7f /* External UDB error regs rd hi */
#define ASI_UDBL_ERROR_R 0x7f /* External UDB error regs rd low */
#define ASI_UDBH_CONTROL_R 0x7f /* External UDB control regs rd hi */
#define ASI_UDBL_CONTROL_R 0x7f /* External UDB control regs rd low*/
#define ASI_INTR_R 0x7f /* IRQ vector dispatch read */
#define ASI_INTR_DATAN_R 0x7f /* (III) In irq vector data reg N */
#define ASI_MCD_PRIMARY 0x90 /* (NG7) MCD version load/store */
#define ASI_MCD_ST_BLKINIT_PRIMARY \
0x92 /* (NG7) MCD store BLKINIT primary */
#define ASI_PIC 0xb0 /* (NG4) PIC registers */
#define ASI_PST8_P 0xc0 /* Primary, 8 8-bit, partial */
#define ASI_PST8_S 0xc1 /* Secondary, 8 8-bit, partial */
#define ASI_PST16_P 0xc2 /* Primary, 4 16-bit, partial */
#define ASI_PST16_S 0xc3 /* Secondary, 4 16-bit, partial */
#define ASI_PST32_P 0xc4 /* Primary, 2 32-bit, partial */
#define ASI_PST32_S 0xc5 /* Secondary, 2 32-bit, partial */
#define ASI_PST8_PL 0xc8 /* Primary, 8 8-bit, partial, L */
#define ASI_PST8_SL 0xc9 /* Secondary, 8 8-bit, partial, L */
#define ASI_PST16_PL 0xca /* Primary, 4 16-bit, partial, L */
#define ASI_PST16_SL 0xcb /* Secondary, 4 16-bit, partial, L */
#define ASI_PST32_PL 0xcc /* Primary, 2 32-bit, partial, L */
#define ASI_PST32_SL 0xcd /* Secondary, 2 32-bit, partial, L */
#define ASI_FL8_P 0xd0 /* Primary, 1 8-bit, fpu ld/st */
#define ASI_FL8_S 0xd1 /* Secondary, 1 8-bit, fpu ld/st */
#define ASI_FL16_P 0xd2 /* Primary, 1 16-bit, fpu ld/st */
#define ASI_FL16_S 0xd3 /* Secondary, 1 16-bit, fpu ld/st */
#define ASI_FL8_PL 0xd8 /* Primary, 1 8-bit, fpu ld/st, L */
#define ASI_FL8_SL 0xd9 /* Secondary, 1 8-bit, fpu ld/st, L*/
#define ASI_FL16_PL 0xda /* Primary, 1 16-bit, fpu ld/st, L */
#define ASI_FL16_SL 0xdb /* Secondary, 1 16-bit, fpu ld/st,L*/
#define ASI_BLK_COMMIT_P 0xe0 /* Primary, blk store commit */
#define ASI_BLK_COMMIT_S 0xe1 /* Secondary, blk store commit */
#define ASI_BLK_INIT_QUAD_LDD_P 0xe2 /* (NG) init-store, twin load,
* primary, implicit
*/
#define ASI_BLK_INIT_QUAD_LDD_S 0xe3 /* (NG) init-store, twin load,
* secondary, implicit
*/
#define ASI_BLK_P 0xf0 /* Primary, blk ld/st */
#define ASI_BLK_S 0xf1 /* Secondary, blk ld/st */
#define ASI_ST_BLKINIT_MRU_P 0xf2 /* (NG4) init-store, twin load,
* Most-Recently-Used, primary,
* implicit
*/
#define ASI_ST_BLKINIT_MRU_S 0xf3 /* (NG4) init-store, twin load,
* Most-Recently-Used, secondary,
* implicit
*/
#define ASI_BLK_PL 0xf8 /* Primary, blk ld/st, little */
#define ASI_BLK_SL 0xf9 /* Secondary, blk ld/st, little */
#define ASI_ST_BLKINIT_MRU_PL 0xfa /* (NG4) init-store, twin load,
* Most-Recently-Used, primary,
* implicit, little-endian
*/
#define ASI_ST_BLKINIT_MRU_SL 0xfb /* (NG4) init-store, twin load,
* Most-Recently-Used, secondary,
* implicit, little-endian
*/
#endif /* _SPARC_ASI_H */
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