1/*- 2 * Copyright 2014 Svatopluk Kraus <onwahe@gmail.com> 3 * Copyright 2014 Michal Meloun <meloun@miracle.cz> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28/* 29 * Macros to make working with the System Control Registers simpler. 30 * 31 * Note that when register r0 is hard-coded in these definitions it means the 32 * cp15 operation neither reads nor writes the register, and r0 is used only 33 * because some syntatically-valid register name has to appear at that point to 34 * keep the asm parser happy. 35 */ 36 37#ifndef MACHINE_SYSREG_H 38#define MACHINE_SYSREG_H 39 40/* 41 * CP14 registers 42 */ 43#define CP14_DBGDIDR(rr) p14, 0, rr, c0, c0, 0 /* Debug ID Register */ 44#define CP14_DBGDSCRext_V6(rr) p14, 0, rr, c0, c1, 0 /* Debug Status and Ctrl Register v6 */ 45#define CP14_DBGDSCRext_V7(rr) p14, 0, rr, c0, c2, 2 /* Debug Status and Ctrl Register v7 */ 46#define CP14_DBGVCR(rr) p14, 0, rr, c0, c7, 0 /* Vector Catch Register */ 47#define CP14_DBGOSLAR(rr) p14, 0, rr, c1, c0, 4 /* OS Lock Access Register */ 48#define CP14_DBGOSLSR(rr) p14, 0, rr, c1, c1, 4 /* OS Lock Status Register */ 49#define CP14_DBGOSDLR(rr) p14, 0, rr, c1, c3, 4 /* OS Double Lock Register */ 50#define CP14_DBGPRSR(rr) p14, 0, rr, c1, c5, 4 /* Device Powerdown and Reset Status */ 51 52#define CP14_DBGDSCRint(rr) CP14_DBGDSCRext_V6(rr) /* Debug Status and Ctrl internal view */ 53 54/* 55 * CP15 C0 registers 56 */ 57#define CP15_MIDR(rr) p15, 0, rr, c0, c0, 0 /* Main ID Register */ 58#define CP15_CTR(rr) p15, 0, rr, c0, c0, 1 /* Cache Type Register */ 59#define CP15_TCMTR(rr) p15, 0, rr, c0, c0, 2 /* TCM Type Register */ 60#define CP15_TLBTR(rr) p15, 0, rr, c0, c0, 3 /* TLB Type Register */ 61#define CP15_MPIDR(rr) p15, 0, rr, c0, c0, 5 /* Multiprocessor Affinity Register */ 62#define CP15_REVIDR(rr) p15, 0, rr, c0, c0, 6 /* Revision ID Register */ 63 64#define CP15_ID_PFR0(rr) p15, 0, rr, c0, c1, 0 /* Processor Feature Register 0 */ 65#define CP15_ID_PFR1(rr) p15, 0, rr, c0, c1, 1 /* Processor Feature Register 1 */ 66#define CP15_ID_DFR0(rr) p15, 0, rr, c0, c1, 2 /* Debug Feature Register 0 */ 67#define CP15_ID_AFR0(rr) p15, 0, rr, c0, c1, 3 /* Auxiliary Feature Register 0 */ 68#define CP15_ID_MMFR0(rr) p15, 0, rr, c0, c1, 4 /* Memory Model Feature Register 0 */ 69#define CP15_ID_MMFR1(rr) p15, 0, rr, c0, c1, 5 /* Memory Model Feature Register 1 */ 70#define CP15_ID_MMFR2(rr) p15, 0, rr, c0, c1, 6 /* Memory Model Feature Register 2 */ 71#define CP15_ID_MMFR3(rr) p15, 0, rr, c0, c1, 7 /* Memory Model Feature Register 3 */ 72 73#define CP15_ID_ISAR0(rr) p15, 0, rr, c0, c2, 0 /* Instruction Set Attribute Register 0 */ 74#define CP15_ID_ISAR1(rr) p15, 0, rr, c0, c2, 1 /* Instruction Set Attribute Register 1 */ 75#define CP15_ID_ISAR2(rr) p15, 0, rr, c0, c2, 2 /* Instruction Set Attribute Register 2 */ 76#define CP15_ID_ISAR3(rr) p15, 0, rr, c0, c2, 3 /* Instruction Set Attribute Register 3 */ 77#define CP15_ID_ISAR4(rr) p15, 0, rr, c0, c2, 4 /* Instruction Set Attribute Register 4 */ 78#define CP15_ID_ISAR5(rr) p15, 0, rr, c0, c2, 5 /* Instruction Set Attribute Register 5 */ 79 80#define CP15_CCSIDR(rr) p15, 1, rr, c0, c0, 0 /* Cache Size ID Registers */ 81#define CP15_CLIDR(rr) p15, 1, rr, c0, c0, 1 /* Cache Level ID Register */ 82#define CP15_AIDR(rr) p15, 1, rr, c0, c0, 7 /* Auxiliary ID Register */ 83 84#define CP15_CSSELR(rr) p15, 2, rr, c0, c0, 0 /* Cache Size Selection Register */ 85 86#define CP15_VPIDR(rr) p15, 4, rr, c0, c0, 0 /* Virtualization Processor ID Register */ 87#define CP15_VMPIDR(rr) p15, 4, rr, c0, c0, 5 /* Virtualization Multiprocessor ID Register */ 88 89/* 90 * CP15 C1 registers 91 */ 92#define CP15_SCTLR(rr) p15, 0, rr, c1, c0, 0 /* System Control Register */ 93#define CP15_ACTLR(rr) p15, 0, rr, c1, c0, 1 /* IMPLEMENTATION DEFINED Auxiliary Control Register */ 94#define CP15_CPACR(rr) p15, 0, rr, c1, c0, 2 /* Coprocessor Access Control Register */ 95 96#define CP15_SCR(rr) p15, 0, rr, c1, c1, 0 /* Secure Configuration Register */ 97#define CP15_SDER(rr) p15, 0, rr, c1, c1, 1 /* Secure Debug Enable Register */ 98#define CP15_NSACR(rr) p15, 0, rr, c1, c1, 2 /* Non-Secure Access Control Register */ 99 100#define CP15_HSCTLR(rr) p15, 4, rr, c1, c0, 0 /* Hyp System Control Register */ 101 102#define CP15_HCR(rr) p15, 4, rr, c1, c1, 0 /* Hyp Configuration Register */ 103#define CP15_HDCR(rr) p15, 4, rr, c1, c1, 1 /* Hyp Debug Configuration Register */ 104#define CP15_HCPTR(rr) p15, 4, rr, c1, c1, 2 /* Hyp Coprocessor Trap Register */ 105#define CP15_HSTR(rr) p15, 4, rr, c1, c1, 3 /* Hyp System Trap Register */ 106 107/* 108 * CP15 C2 registers 109 */ 110#define CP15_TTBR0(rr) p15, 0, rr, c2, c0, 0 /* Translation Table Base Register 0 */ 111#define CP15_TTBR1(rr) p15, 0, rr, c2, c0, 1 /* Translation Table Base Register 1 */ 112#define CP15_TTBCR(rr) p15, 0, rr, c2, c0, 2 /* Translation Table Base Control Register */ 113 114#define CP15_HTCR(rr) p15, 4, rr, c2, c0, 2 /* Hyp Translation Control Register */ 115#define CP15_VTCR(rr) p15, 4, rr, c2, c1, 2 /* Virtualization Translation Control Register */ 116 117/* 118 * CP15 C3 registers 119 */ 120#define CP15_DACR(rr) p15, 0, rr, c3, c0, 0 /* Domain Access Control Register */ 121 122/* 123 * CP15 C5 registers 124 */ 125#define CP15_DFSR(rr) p15, 0, rr, c5, c0, 0 /* Data Fault Status Register */ 126#define CP15_HSR(rr) p15, 4, rr, c5, c2, 0 /* Hyp Syndrome Register */ 127 128/* From ARMv6: */ 129#define CP15_IFSR(rr) p15, 0, rr, c5, c0, 1 /* Instruction Fault Status Register */ 130#if __ARM_ARCH >= 7 131/* From ARMv7: */ 132#define CP15_ADFSR(rr) p15, 0, rr, c5, c1, 0 /* Auxiliary Data Fault Status Register */ 133#define CP15_AIFSR(rr) p15, 0, rr, c5, c1, 1 /* Auxiliary Instruction Fault Status Register */ 134#endif 135 136/* 137 * CP15 C6 registers 138 */ 139#define CP15_DFAR(rr) p15, 0, rr, c6, c0, 0 /* Data Fault Address Register */ 140#define CP15_HDFAR(rr) p15, 4, rr, c6, c0, 0 /* Hyp Data Fault Address Register */ 141#define CP15_HIFAR(rr) p15, 4, rr, c6, c0, 2 /* Hyp Instruction Fault Address Register */ 142#define CP15_HPFAR(rr) p15, 4, rr, c6, c0, 4 /* Hyp IPA Fault Address Register */ 143 144/* From ARMv6k: */ 145#define CP15_IFAR(rr) p15, 0, rr, c6, c0, 2 /* Instruction Fault Address Register */ 146 147/* 148 * CP15 C7 registers 149 */ 150#if __ARM_ARCH >= 7 && defined(SMP) 151/* From ARMv7: */ 152#define CP15_ICIALLUIS p15, 0, r0, c7, c1, 0 /* Instruction cache invalidate all PoU, IS */ 153#define CP15_BPIALLIS p15, 0, r0, c7, c1, 6 /* Branch predictor invalidate all IS */ 154#endif 155 156#define CP15_PAR(rr) p15, 0, rr, c7, c4, 0 /* Physical Address Register */ 157 158#define CP15_ICIALLU p15, 0, r0, c7, c5, 0 /* Instruction cache invalidate all PoU */ 159#define CP15_ICIMVAU(rr) p15, 0, rr, c7, c5, 1 /* Instruction cache invalidate */ 160#if __ARM_ARCH == 6 161/* Deprecated in ARMv7 */ 162#define CP15_CP15ISB p15, 0, r0, c7, c5, 4 /* ISB */ 163#endif 164#define CP15_BPIALL p15, 0, r0, c7, c5, 6 /* Branch predictor invalidate all */ 165#define CP15_BPIMVA p15, 0, rr, c7, c5, 7 /* Branch predictor invalidate by MVA */ 166 167#if __ARM_ARCH == 6 168/* Only ARMv6: */ 169#define CP15_DCIALL p15, 0, r0, c7, c6, 0 /* Data cache invalidate all */ 170#endif 171#define CP15_DCIMVAC(rr) p15, 0, rr, c7, c6, 1 /* Data cache invalidate by MVA PoC */ 172#define CP15_DCISW(rr) p15, 0, rr, c7, c6, 2 /* Data cache invalidate by set/way */ 173 174#define CP15_ATS1CPR(rr) p15, 0, rr, c7, c8, 0 /* Stage 1 Current state PL1 read */ 175#define CP15_ATS1CPW(rr) p15, 0, rr, c7, c8, 1 /* Stage 1 Current state PL1 write */ 176#define CP15_ATS1CUR(rr) p15, 0, rr, c7, c8, 2 /* Stage 1 Current state unprivileged read */ 177#define CP15_ATS1CUW(rr) p15, 0, rr, c7, c8, 3 /* Stage 1 Current state unprivileged write */ 178 179#if __ARM_ARCH >= 7 180/* From ARMv7: */ 181#define CP15_ATS12NSOPR(rr) p15, 0, rr, c7, c8, 4 /* Stages 1 and 2 Non-secure only PL1 read */ 182#define CP15_ATS12NSOPW(rr) p15, 0, rr, c7, c8, 5 /* Stages 1 and 2 Non-secure only PL1 write */ 183#define CP15_ATS12NSOUR(rr) p15, 0, rr, c7, c8, 6 /* Stages 1 and 2 Non-secure only unprivileged read */ 184#define CP15_ATS12NSOUW(rr) p15, 0, rr, c7, c8, 7 /* Stages 1 and 2 Non-secure only unprivileged write */ 185#endif 186 187#if __ARM_ARCH == 6 188/* Only ARMv6: */ 189#define CP15_DCCALL p15, 0, r0, c7, c10, 0 /* Data cache clean all */ 190#endif 191#define CP15_DCCMVAC(rr) p15, 0, rr, c7, c10, 1 /* Data cache clean by MVA PoC */ 192#define CP15_DCCSW(rr) p15, 0, rr, c7, c10, 2 /* Data cache clean by set/way */ 193#if __ARM_ARCH == 6 194/* Only ARMv6: */ 195#define CP15_CP15DSB p15, 0, r0, c7, c10, 4 /* DSB */ 196#define CP15_CP15DMB p15, 0, r0, c7, c10, 5 /* DMB */ 197#define CP15_CP15WFI p15, 0, r0, c7, c0, 4 /* WFI */ 198#endif 199 200#if __ARM_ARCH >= 7 201/* From ARMv7: */ 202#define CP15_DCCMVAU(rr) p15, 0, rr, c7, c11, 1 /* Data cache clean by MVA PoU */ 203#endif 204 205#if __ARM_ARCH == 6 206/* Only ARMv6: */ 207#define CP15_DCCIALL p15, 0, r0, c7, c14, 0 /* Data cache clean and invalidate all */ 208#endif 209#define CP15_DCCIMVAC(rr) p15, 0, rr, c7, c14, 1 /* Data cache clean and invalidate by MVA PoC */ 210#define CP15_DCCISW(rr) p15, 0, rr, c7, c14, 2 /* Data cache clean and invalidate by set/way */ 211 212/* 213 * CP15 C8 registers 214 */ 215#if __ARM_ARCH >= 7 && defined(SMP) 216/* From ARMv7: */ 217#define CP15_TLBIALLIS p15, 0, r0, c8, c3, 0 /* Invalidate entire unified TLB IS */ 218#define CP15_TLBIMVAIS(rr) p15, 0, rr, c8, c3, 1 /* Invalidate unified TLB by MVA IS */ 219#define CP15_TLBIASIDIS(rr) p15, 0, rr, c8, c3, 2 /* Invalidate unified TLB by ASID IS */ 220#define CP15_TLBIMVAAIS(rr) p15, 0, rr, c8, c3, 3 /* Invalidate unified TLB by MVA, all ASID IS */ 221#endif 222 223#define CP15_TLBIALL p15, 0, r0, c8, c7, 0 /* Invalidate entire unified TLB */ 224#define CP15_TLBIMVA(rr) p15, 0, rr, c8, c7, 1 /* Invalidate unified TLB by MVA */ 225#define CP15_TLBIASID(rr) p15, 0, rr, c8, c7, 2 /* Invalidate unified TLB by ASID */ 226 227#define CP15_TLBIALLH(rr) p15, 4, rr, c8, c7, 0 /* Invalidate Entire Hyp Unified TLB */ 228 229/* From ARMv6: */ 230#define CP15_TLBIMVAA(rr) p15, 0, rr, c8, c7, 3 /* Invalidate unified TLB by MVA, all ASID */ 231 232/* 233 * CP15 C9 registers 234 */ 235#if __ARM_ARCH == 6 && defined(CPU_ARM1176) 236#define CP15_PMUSERENR(rr) p15, 0, rr, c15, c9, 0 /* Access Validation Control Register */ 237#define CP15_PMCR(rr) p15, 0, rr, c15, c12, 0 /* Performance Monitor Control Register */ 238#define CP15_PMCCNTR(rr) p15, 0, rr, c15, c12, 1 /* PM Cycle Count Register */ 239#else 240#define CP15_L2CTLR(rr) p15, 1, rr, c9, c0, 2 /* L2 Control Register */ 241#define CP15_PMCR(rr) p15, 0, rr, c9, c12, 0 /* Performance Monitor Control Register */ 242#define CP15_PMCNTENSET(rr) p15, 0, rr, c9, c12, 1 /* PM Count Enable Set Register */ 243#define CP15_PMCNTENCLR(rr) p15, 0, rr, c9, c12, 2 /* PM Count Enable Clear Register */ 244#define CP15_PMOVSR(rr) p15, 0, rr, c9, c12, 3 /* PM Overflow Flag Status Register */ 245#define CP15_PMSWINC(rr) p15, 0, rr, c9, c12, 4 /* PM Software Increment Register */ 246#define CP15_PMSELR(rr) p15, 0, rr, c9, c12, 5 /* PM Event Counter Selection Register */ 247#define CP15_PMCCNTR(rr) p15, 0, rr, c9, c13, 0 /* PM Cycle Count Register */ 248#define CP15_PMXEVTYPER(rr) p15, 0, rr, c9, c13, 1 /* PM Event Type Select Register */ 249#define CP15_PMXEVCNTRR(rr) p15, 0, rr, c9, c13, 2 /* PM Event Count Register */ 250#define CP15_PMUSERENR(rr) p15, 0, rr, c9, c14, 0 /* PM User Enable Register */ 251#define CP15_PMINTENSET(rr) p15, 0, rr, c9, c14, 1 /* PM Interrupt Enable Set Register */ 252#define CP15_PMINTENCLR(rr) p15, 0, rr, c9, c14, 2 /* PM Interrupt Enable Clear Register */ 253#endif 254 255/* 256 * CP15 C10 registers 257 */ 258/* Without LPAE this is PRRR, with LPAE it's MAIR0 */ 259#define CP15_PRRR(rr) p15, 0, rr, c10, c2, 0 /* Primary Region Remap Register */ 260#define CP15_MAIR0(rr) p15, 0, rr, c10, c2, 0 /* Memory Attribute Indirection Register 0 */ 261/* Without LPAE this is NMRR, with LPAE it's MAIR1 */ 262#define CP15_NMRR(rr) p15, 0, rr, c10, c2, 1 /* Normal Memory Remap Register */ 263#define CP15_MAIR1(rr) p15, 0, rr, c10, c2, 1 /* Memory Attribute Indirection Register 1 */ 264 265#define CP15_AMAIR0(rr) p15, 0, rr, c10, c3, 0 /* Auxiliary Memory Attribute Indirection Register 0 */ 266#define CP15_AMAIR1(rr) p15, 0, rr, c10, c3, 1 /* Auxiliary Memory Attribute Indirection Register 1 */ 267 268#define CP15_HMAIR0(rr) p15, 4, rr, c10, c2, 0 /* Hyp Memory Attribute Indirection Register 0 */ 269#define CP15_HMAIR1(rr) p15, 4, rr, c10, c2, 1 /* Hyp Memory Attribute Indirection Register 1 */ 270 271/* 272 * CP15 C12 registers 273 */ 274#define CP15_VBAR(rr) p15, 0, rr, c12, c0, 0 /* Vector Base Address Register */ 275#define CP15_MVBAR(rr) p15, 0, rr, c12, c0, 1 /* Monitor Vector Base Address Register */ 276 277#define CP15_ISR(rr) p15, 0, rr, c12, c1, 0 /* Interrupt Status Register */ 278#define CP15_HVBAR(rr) p15, 4, rr, c12, c0, 0 /* Hyp Vector Base Address Register*/ 279 280/* 281 * CP15 C13 registers 282 */ 283#define CP15_FCSEIDR(rr) p15, 0, rr, c13, c0, 0 /* FCSE Process ID Register */ 284#define CP15_CONTEXTIDR(rr) p15, 0, rr, c13, c0, 1 /* Context ID Register */ 285#define CP15_TPIDRURW(rr) p15, 0, rr, c13, c0, 2 /* User Read/Write Thread ID Register */ 286#define CP15_TPIDRURO(rr) p15, 0, rr, c13, c0, 3 /* User Read-Only Thread ID Register */ 287#define CP15_TPIDRPRW(rr) p15, 0, rr, c13, c0, 4 /* PL1 only Thread ID Register */ 288#define CP15_HTPIDR(rr) p15, 4, rr, c13, c0, 2 /* Hyp Software Thread ID Register */ 289 290/* 291 * CP15 C14 registers 292 * These are the Generic Timer registers and may be unallocated on some SoCs. 293 * Only use these when you know the Generic Timer is available. 294 */ 295#define CP15_CNTFRQ(rr) p15, 0, rr, c14, c0, 0 /* Counter Frequency Register */ 296#define CP15_CNTKCTL(rr) p15, 0, rr, c14, c1, 0 /* Timer PL1 Control Register */ 297#define CP15_CNTP_TVAL(rr) p15, 0, rr, c14, c2, 0 /* PL1 Physical Timer Value Register */ 298#define CP15_CNTP_CTL(rr) p15, 0, rr, c14, c2, 1 /* PL1 Physical Timer Control Register */ 299#define CP15_CNTV_TVAL(rr) p15, 0, rr, c14, c3, 0 /* Virtual Timer Value Register */ 300#define CP15_CNTV_CTL(rr) p15, 0, rr, c14, c3, 1 /* Virtual Timer Control Register */ 301#define CP15_CNTHCTL(rr) p15, 4, rr, c14, c1, 0 /* Timer PL2 Control Register */ 302#define CP15_CNTHP_TVAL(rr) p15, 4, rr, c14, c2, 0 /* PL2 Physical Timer Value Register */ 303#define CP15_CNTHP_CTL(rr) p15, 4, rr, c14, c2, 1 /* PL2 Physical Timer Control Register */ 304/* 64-bit registers for use with mcrr/mrrc */ 305#define CP15_CNTPCT(rq, rr) p15, 0, rq, rr, c14 /* Physical Count Register */ 306#define CP15_CNTVCT(rq, rr) p15, 1, rq, rr, c14 /* Virtual Count Register */ 307#define CP15_CNTP_CVAL(rq, rr) p15, 2, rq, rr, c14 /* PL1 Physical Timer Compare Value Register */ 308#define CP15_CNTV_CVAL(rq, rr) p15, 3, rq, rr, c14 /* Virtual Timer Compare Value Register */ 309#define CP15_CNTVOFF(rq, rr) p15, 4, rq, rr, c14 /* Virtual Offset Register */ 310#define CP15_CNTHP_CVAL(rq, rr) p15, 6, rq, rr, c14 /* PL2 Physical Timer Compare Value Register */ 311 312#define CP15_VTTBR(rq, rr) p15, 6, rq, rr, c2 /* Virtualization Translation Table Base Register */ 313#define CP15_HTTBR(rq, rr) p15, 4, rq, rr, c2 /* Hyp Translation Table Base Register */ 314#define CP15_TTBR0_2(rq, rr) p15, 0, rq, rr, c2 /* Translation Table Base Register 0 */ 315#define CP15_TTBR1_2(rq, rr) p15, 1, rq, rr, c2 /* Translation Table Base Register 1 */ 316#define CP15_PAR_2(rq, rr) p15, 0, rq, rr, c7 /* Physical Address Register */ 317 318/* 319 * CP15 C15 registers 320 */ 321#define CP15_CBAR(rr) p15, 4, rr, c15, c0, 0 /* Configuration Base Address Register */ 322 323#endif /* !MACHINE_SYSREG_H */ 324