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 * $FreeBSD$ 28 */ 29 30 /* 31 * Macros to make working with the System Control Registers simpler. 32 * 33 * Note that when register r0 is hard-coded in these definitions it means the 34 * cp15 operation neither reads nor writes the register, and r0 is used only 35 * because some syntatically-valid register name has to appear at that point to 36 * keep the asm parser happy. 37 */ 38 39 #ifndef MACHINE_SYSREG_H 40 #define MACHINE_SYSREG_H 41 42 /* 43 * CP14 registers 44 */ 45 #if __ARM_ARCH >= 6 46 47 #define CP14_DBGDIDR(rr) p14, 0, rr, c0, c0, 0 /* Debug ID Register */ 48 #define CP14_DBGDSCRext_V6(rr) p14, 0, rr, c0, c1, 0 /* Debug Status and Ctrl Register v6 */ 49 #define CP14_DBGDSCRext_V7(rr) p14, 0, rr, c0, c2, 2 /* Debug Status and Ctrl Register v7 */ 50 #define CP14_DBGVCR(rr) p14, 0, rr, c0, c7, 0 /* Vector Catch Register */ 51 #define CP14_DBGOSLAR(rr) p14, 0, rr, c1, c0, 4 /* OS Lock Access Register */ 52 #define CP14_DBGOSLSR(rr) p14, 0, rr, c1, c1, 4 /* OS Lock Status Register */ 53 #define CP14_DBGOSDLR(rr) p14, 0, rr, c1, c3, 4 /* OS Double Lock Register */ 54 #define CP14_DBGPRSR(rr) p14, 0, rr, c1, c5, 4 /* Device Powerdown and Reset Status */ 55 56 #define CP14_DBGDSCRint(rr) CP14_DBGDSCRext_V6(rr) /* Debug Status and Ctrl internal view */ 57 58 #endif 59 60 /* 61 * CP15 C0 registers 62 */ 63 #define CP15_MIDR(rr) p15, 0, rr, c0, c0, 0 /* Main ID Register */ 64 #define CP15_CTR(rr) p15, 0, rr, c0, c0, 1 /* Cache Type Register */ 65 #define CP15_TCMTR(rr) p15, 0, rr, c0, c0, 2 /* TCM Type Register */ 66 #define CP15_TLBTR(rr) p15, 0, rr, c0, c0, 3 /* TLB Type Register */ 67 #define CP15_MPIDR(rr) p15, 0, rr, c0, c0, 5 /* Multiprocessor Affinity Register */ 68 #define CP15_REVIDR(rr) p15, 0, rr, c0, c0, 6 /* Revision ID Register */ 69 70 #define CP15_ID_PFR0(rr) p15, 0, rr, c0, c1, 0 /* Processor Feature Register 0 */ 71 #define CP15_ID_PFR1(rr) p15, 0, rr, c0, c1, 1 /* Processor Feature Register 1 */ 72 #define CP15_ID_DFR0(rr) p15, 0, rr, c0, c1, 2 /* Debug Feature Register 0 */ 73 #define CP15_ID_AFR0(rr) p15, 0, rr, c0, c1, 3 /* Auxiliary Feature Register 0 */ 74 #define CP15_ID_MMFR0(rr) p15, 0, rr, c0, c1, 4 /* Memory Model Feature Register 0 */ 75 #define CP15_ID_MMFR1(rr) p15, 0, rr, c0, c1, 5 /* Memory Model Feature Register 1 */ 76 #define CP15_ID_MMFR2(rr) p15, 0, rr, c0, c1, 6 /* Memory Model Feature Register 2 */ 77 #define CP15_ID_MMFR3(rr) p15, 0, rr, c0, c1, 7 /* Memory Model Feature Register 3 */ 78 79 #define CP15_ID_ISAR0(rr) p15, 0, rr, c0, c2, 0 /* Instruction Set Attribute Register 0 */ 80 #define CP15_ID_ISAR1(rr) p15, 0, rr, c0, c2, 1 /* Instruction Set Attribute Register 1 */ 81 #define CP15_ID_ISAR2(rr) p15, 0, rr, c0, c2, 2 /* Instruction Set Attribute Register 2 */ 82 #define CP15_ID_ISAR3(rr) p15, 0, rr, c0, c2, 3 /* Instruction Set Attribute Register 3 */ 83 #define CP15_ID_ISAR4(rr) p15, 0, rr, c0, c2, 4 /* Instruction Set Attribute Register 4 */ 84 #define CP15_ID_ISAR5(rr) p15, 0, rr, c0, c2, 5 /* Instruction Set Attribute Register 5 */ 85 86 #define CP15_CCSIDR(rr) p15, 1, rr, c0, c0, 0 /* Cache Size ID Registers */ 87 #define CP15_CLIDR(rr) p15, 1, rr, c0, c0, 1 /* Cache Level ID Register */ 88 #define CP15_AIDR(rr) p15, 1, rr, c0, c0, 7 /* Auxiliary ID Register */ 89 90 #define CP15_CSSELR(rr) p15, 2, rr, c0, c0, 0 /* Cache Size Selection Register */ 91 92 /* 93 * CP15 C1 registers 94 */ 95 #define CP15_SCTLR(rr) p15, 0, rr, c1, c0, 0 /* System Control Register */ 96 #define CP15_ACTLR(rr) p15, 0, rr, c1, c0, 1 /* IMPLEMENTATION DEFINED Auxiliary Control Register */ 97 #define CP15_CPACR(rr) p15, 0, rr, c1, c0, 2 /* Coprocessor Access Control Register */ 98 99 #define CP15_SCR(rr) p15, 0, rr, c1, c1, 0 /* Secure Configuration Register */ 100 #define CP15_SDER(rr) p15, 0, rr, c1, c1, 1 /* Secure Debug Enable Register */ 101 #define CP15_NSACR(rr) p15, 0, rr, c1, c1, 2 /* Non-Secure Access Control Register */ 102 103 /* 104 * CP15 C2 registers 105 */ 106 #define CP15_TTBR0(rr) p15, 0, rr, c2, c0, 0 /* Translation Table Base Register 0 */ 107 #define CP15_TTBR1(rr) p15, 0, rr, c2, c0, 1 /* Translation Table Base Register 1 */ 108 #define CP15_TTBCR(rr) p15, 0, rr, c2, c0, 2 /* Translation Table Base Control Register */ 109 110 /* 111 * CP15 C3 registers 112 */ 113 #define CP15_DACR(rr) p15, 0, rr, c3, c0, 0 /* Domain Access Control Register */ 114 115 /* 116 * CP15 C5 registers 117 */ 118 #define CP15_DFSR(rr) p15, 0, rr, c5, c0, 0 /* Data Fault Status Register */ 119 120 #if __ARM_ARCH >= 6 121 /* From ARMv6: */ 122 #define CP15_IFSR(rr) p15, 0, rr, c5, c0, 1 /* Instruction Fault Status Register */ 123 #endif 124 #if __ARM_ARCH >= 7 125 /* From ARMv7: */ 126 #define CP15_ADFSR(rr) p15, 0, rr, c5, c1, 0 /* Auxiliary Data Fault Status Register */ 127 #define CP15_AIFSR(rr) p15, 0, rr, c5, c1, 1 /* Auxiliary Instruction Fault Status Register */ 128 #endif 129 130 /* 131 * CP15 C6 registers 132 */ 133 #define CP15_DFAR(rr) p15, 0, rr, c6, c0, 0 /* Data Fault Address Register */ 134 135 #if __ARM_ARCH >= 6 136 /* From ARMv6k: */ 137 #define CP15_IFAR(rr) p15, 0, rr, c6, c0, 2 /* Instruction Fault Address Register */ 138 #endif 139 140 /* 141 * CP15 C7 registers 142 */ 143 #if __ARM_ARCH >= 7 && defined(SMP) 144 /* From ARMv7: */ 145 #define CP15_ICIALLUIS p15, 0, r0, c7, c1, 0 /* Instruction cache invalidate all PoU, IS */ 146 #define CP15_BPIALLIS p15, 0, r0, c7, c1, 6 /* Branch predictor invalidate all IS */ 147 #endif 148 149 #define CP15_PAR(rr) p15, 0, rr, c7, c4, 0 /* Physical Address Register */ 150 151 #define CP15_ICIALLU p15, 0, r0, c7, c5, 0 /* Instruction cache invalidate all PoU */ 152 #define CP15_ICIMVAU(rr) p15, 0, rr, c7, c5, 1 /* Instruction cache invalidate */ 153 #if __ARM_ARCH == 6 154 /* Deprecated in ARMv7 */ 155 #define CP15_CP15ISB p15, 0, r0, c7, c5, 4 /* ISB */ 156 #endif 157 #define CP15_BPIALL p15, 0, r0, c7, c5, 6 /* Branch predictor invalidate all */ 158 #define CP15_BPIMVA p15, 0, rr, c7, c5, 7 /* Branch predictor invalidate by MVA */ 159 160 #if __ARM_ARCH == 6 161 /* Only ARMv6: */ 162 #define CP15_DCIALL p15, 0, r0, c7, c6, 0 /* Data cache invalidate all */ 163 #endif 164 #define CP15_DCIMVAC(rr) p15, 0, rr, c7, c6, 1 /* Data cache invalidate by MVA PoC */ 165 #define CP15_DCISW(rr) p15, 0, rr, c7, c6, 2 /* Data cache invalidate by set/way */ 166 167 #define CP15_ATS1CPR(rr) p15, 0, rr, c7, c8, 0 /* Stage 1 Current state PL1 read */ 168 #define CP15_ATS1CPW(rr) p15, 0, rr, c7, c8, 1 /* Stage 1 Current state PL1 write */ 169 #define CP15_ATS1CUR(rr) p15, 0, rr, c7, c8, 2 /* Stage 1 Current state unprivileged read */ 170 #define CP15_ATS1CUW(rr) p15, 0, rr, c7, c8, 3 /* Stage 1 Current state unprivileged write */ 171 172 #if __ARM_ARCH >= 7 173 /* From ARMv7: */ 174 #define CP15_ATS12NSOPR(rr) p15, 0, rr, c7, c8, 4 /* Stages 1 and 2 Non-secure only PL1 read */ 175 #define CP15_ATS12NSOPW(rr) p15, 0, rr, c7, c8, 5 /* Stages 1 and 2 Non-secure only PL1 write */ 176 #define CP15_ATS12NSOUR(rr) p15, 0, rr, c7, c8, 6 /* Stages 1 and 2 Non-secure only unprivileged read */ 177 #define CP15_ATS12NSOUW(rr) p15, 0, rr, c7, c8, 7 /* Stages 1 and 2 Non-secure only unprivileged write */ 178 #endif 179 180 #if __ARM_ARCH == 6 181 /* Only ARMv6: */ 182 #define CP15_DCCALL p15, 0, r0, c7, c10, 0 /* Data cache clean all */ 183 #endif 184 #define CP15_DCCMVAC(rr) p15, 0, rr, c7, c10, 1 /* Data cache clean by MVA PoC */ 185 #define CP15_DCCSW(rr) p15, 0, rr, c7, c10, 2 /* Data cache clean by set/way */ 186 #if __ARM_ARCH == 6 187 /* Only ARMv6: */ 188 #define CP15_CP15DSB p15, 0, r0, c7, c10, 4 /* DSB */ 189 #define CP15_CP15DMB p15, 0, r0, c7, c10, 5 /* DMB */ 190 #define CP15_CP15WFI p15, 0, r0, c7, c0, 4 /* WFI */ 191 #endif 192 193 #if __ARM_ARCH >= 7 194 /* From ARMv7: */ 195 #define CP15_DCCMVAU(rr) p15, 0, rr, c7, c11, 1 /* Data cache clean by MVA PoU */ 196 #endif 197 198 #if __ARM_ARCH == 6 199 /* Only ARMv6: */ 200 #define CP15_DCCIALL p15, 0, r0, c7, c14, 0 /* Data cache clean and invalidate all */ 201 #endif 202 #define CP15_DCCIMVAC(rr) p15, 0, rr, c7, c14, 1 /* Data cache clean and invalidate by MVA PoC */ 203 #define CP15_DCCISW(rr) p15, 0, rr, c7, c14, 2 /* Data cache clean and invalidate by set/way */ 204 205 /* 206 * CP15 C8 registers 207 */ 208 #if __ARM_ARCH >= 7 && defined(SMP) 209 /* From ARMv7: */ 210 #define CP15_TLBIALLIS p15, 0, r0, c8, c3, 0 /* Invalidate entire unified TLB IS */ 211 #define CP15_TLBIMVAIS(rr) p15, 0, rr, c8, c3, 1 /* Invalidate unified TLB by MVA IS */ 212 #define CP15_TLBIASIDIS(rr) p15, 0, rr, c8, c3, 2 /* Invalidate unified TLB by ASID IS */ 213 #define CP15_TLBIMVAAIS(rr) p15, 0, rr, c8, c3, 3 /* Invalidate unified TLB by MVA, all ASID IS */ 214 #endif 215 216 #define CP15_TLBIALL p15, 0, r0, c8, c7, 0 /* Invalidate entire unified TLB */ 217 #define CP15_TLBIMVA(rr) p15, 0, rr, c8, c7, 1 /* Invalidate unified TLB by MVA */ 218 #define CP15_TLBIASID(rr) p15, 0, rr, c8, c7, 2 /* Invalidate unified TLB by ASID */ 219 220 #if __ARM_ARCH >= 6 221 /* From ARMv6: */ 222 #define CP15_TLBIMVAA(rr) p15, 0, rr, c8, c7, 3 /* Invalidate unified TLB by MVA, all ASID */ 223 #endif 224 225 /* 226 * CP15 C9 registers 227 */ 228 #if __ARM_ARCH == 6 && defined(CPU_ARM1176) 229 #define CP15_PMUSERENR(rr) p15, 0, rr, c15, c9, 0 /* Access Validation Control Register */ 230 #define CP15_PMCR(rr) p15, 0, rr, c15, c12, 0 /* Performance Monitor Control Register */ 231 #define CP15_PMCCNTR(rr) p15, 0, rr, c15, c12, 1 /* PM Cycle Count Register */ 232 #elif __ARM_ARCH > 6 233 #define CP15_L2CTLR(rr) p15, 1, rr, c9, c0, 2 /* L2 Control Register */ 234 #define CP15_PMCR(rr) p15, 0, rr, c9, c12, 0 /* Performance Monitor Control Register */ 235 #define CP15_PMCNTENSET(rr) p15, 0, rr, c9, c12, 1 /* PM Count Enable Set Register */ 236 #define CP15_PMCNTENCLR(rr) p15, 0, rr, c9, c12, 2 /* PM Count Enable Clear Register */ 237 #define CP15_PMOVSR(rr) p15, 0, rr, c9, c12, 3 /* PM Overflow Flag Status Register */ 238 #define CP15_PMSWINC(rr) p15, 0, rr, c9, c12, 4 /* PM Software Increment Register */ 239 #define CP15_PMSELR(rr) p15, 0, rr, c9, c12, 5 /* PM Event Counter Selection Register */ 240 #define CP15_PMCCNTR(rr) p15, 0, rr, c9, c13, 0 /* PM Cycle Count Register */ 241 #define CP15_PMXEVTYPER(rr) p15, 0, rr, c9, c13, 1 /* PM Event Type Select Register */ 242 #define CP15_PMXEVCNTRR(rr) p15, 0, rr, c9, c13, 2 /* PM Event Count Register */ 243 #define CP15_PMUSERENR(rr) p15, 0, rr, c9, c14, 0 /* PM User Enable Register */ 244 #define CP15_PMINTENSET(rr) p15, 0, rr, c9, c14, 1 /* PM Interrupt Enable Set Register */ 245 #define CP15_PMINTENCLR(rr) p15, 0, rr, c9, c14, 2 /* PM Interrupt Enable Clear Register */ 246 #endif 247 248 /* 249 * CP15 C10 registers 250 */ 251 /* Without LPAE this is PRRR, with LPAE it's MAIR0 */ 252 #define CP15_PRRR(rr) p15, 0, rr, c10, c2, 0 /* Primary Region Remap Register */ 253 #define CP15_MAIR0(rr) p15, 0, rr, c10, c2, 0 /* Memory Attribute Indirection Register 0 */ 254 /* Without LPAE this is NMRR, with LPAE it's MAIR1 */ 255 #define CP15_NMRR(rr) p15, 0, rr, c10, c2, 1 /* Normal Memory Remap Register */ 256 #define CP15_MAIR1(rr) p15, 0, rr, c10, c2, 1 /* Memory Attribute Indirection Register 1 */ 257 258 #define CP15_AMAIR0(rr) p15, 0, rr, c10, c3, 0 /* Auxiliary Memory Attribute Indirection Register 0 */ 259 #define CP15_AMAIR1(rr) p15, 0, rr, c10, c3, 1 /* Auxiliary Memory Attribute Indirection Register 1 */ 260 261 /* 262 * CP15 C12 registers 263 */ 264 #define CP15_VBAR(rr) p15, 0, rr, c12, c0, 0 /* Vector Base Address Register */ 265 #define CP15_MVBAR(rr) p15, 0, rr, c12, c0, 1 /* Monitor Vector Base Address Register */ 266 267 #define CP15_ISR(rr) p15, 0, rr, c12, c1, 0 /* Interrupt Status Register */ 268 269 /* 270 * CP15 C13 registers 271 */ 272 #define CP15_FCSEIDR(rr) p15, 0, rr, c13, c0, 0 /* FCSE Process ID Register */ 273 #define CP15_CONTEXTIDR(rr) p15, 0, rr, c13, c0, 1 /* Context ID Register */ 274 #define CP15_TPIDRURW(rr) p15, 0, rr, c13, c0, 2 /* User Read/Write Thread ID Register */ 275 #define CP15_TPIDRURO(rr) p15, 0, rr, c13, c0, 3 /* User Read-Only Thread ID Register */ 276 #define CP15_TPIDRPRW(rr) p15, 0, rr, c13, c0, 4 /* PL1 only Thread ID Register */ 277 278 /* 279 * CP15 C14 registers 280 * These are the Generic Timer registers and may be unallocated on some SoCs. 281 * Only use these when you know the Generic Timer is available. 282 */ 283 #define CP15_CNTFRQ(rr) p15, 0, rr, c14, c0, 0 /* Counter Frequency Register */ 284 #define CP15_CNTKCTL(rr) p15, 0, rr, c14, c1, 0 /* Timer PL1 Control Register */ 285 #define CP15_CNTP_TVAL(rr) p15, 0, rr, c14, c2, 0 /* PL1 Physical Timer Value Register */ 286 #define CP15_CNTP_CTL(rr) p15, 0, rr, c14, c2, 1 /* PL1 Physical Timer Control Register */ 287 #define CP15_CNTV_TVAL(rr) p15, 0, rr, c14, c3, 0 /* Virtual Timer Value Register */ 288 #define CP15_CNTV_CTL(rr) p15, 0, rr, c14, c3, 1 /* Virtual Timer Control Register */ 289 #define CP15_CNTHCTL(rr) p15, 4, rr, c14, c1, 0 /* Timer PL2 Control Register */ 290 #define CP15_CNTHP_TVAL(rr) p15, 4, rr, c14, c2, 0 /* PL2 Physical Timer Value Register */ 291 #define CP15_CNTHP_CTL(rr) p15, 4, rr, c14, c2, 1 /* PL2 Physical Timer Control Register */ 292 /* 64-bit registers for use with mcrr/mrrc */ 293 #define CP15_CNTPCT(rq, rr) p15, 0, rq, rr, c14 /* Physical Count Register */ 294 #define CP15_CNTVCT(rq, rr) p15, 1, rq, rr, c14 /* Virtual Count Register */ 295 #define CP15_CNTP_CVAL(rq, rr) p15, 2, rq, rr, c14 /* PL1 Physical Timer Compare Value Register */ 296 #define CP15_CNTV_CVAL(rq, rr) p15, 3, rq, rr, c14 /* Virtual Timer Compare Value Register */ 297 #define CP15_CNTVOFF(rq, rr) p15, 4, rq, rr, c14 /* Virtual Offset Register */ 298 #define CP15_CNTHP_CVAL(rq, rr) p15, 6, rq, rr, c14 /* PL2 Physical Timer Compare Value Register */ 299 300 /* 301 * CP15 C15 registers 302 */ 303 #define CP15_CBAR(rr) p15, 4, rr, c15, c0, 0 /* Configuration Base Address Register */ 304 305 #endif /* !MACHINE_SYSREG_H */ 306