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