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 #define CP14_DBGDIDR(rr) p14, 0, rr, c0, c0, 0 /* Debug ID Register */
46 #define CP14_DBGDSCRext_V6(rr) p14, 0, rr, c0, c1, 0 /* Debug Status and Ctrl Register v6 */
47 #define CP14_DBGDSCRext_V7(rr) p14, 0, rr, c0, c2, 2 /* Debug Status and Ctrl Register v7 */
48 #define CP14_DBGVCR(rr) p14, 0, rr, c0, c7, 0 /* Vector Catch Register */
49 #define CP14_DBGOSLAR(rr) p14, 0, rr, c1, c0, 4 /* OS Lock Access Register */
50 #define CP14_DBGOSLSR(rr) p14, 0, rr, c1, c1, 4 /* OS Lock Status Register */
51 #define CP14_DBGOSDLR(rr) p14, 0, rr, c1, c3, 4 /* OS Double Lock Register */
52 #define CP14_DBGPRSR(rr) p14, 0, rr, c1, c5, 4 /* Device Powerdown and Reset Status */
53
54 #define CP14_DBGDSCRint(rr) CP14_DBGDSCRext_V6(rr) /* Debug Status and Ctrl internal view */
55
56 /*
57 * CP15 C0 registers
58 */
59 #define CP15_MIDR(rr) p15, 0, rr, c0, c0, 0 /* Main ID Register */
60 #define CP15_CTR(rr) p15, 0, rr, c0, c0, 1 /* Cache Type Register */
61 #define CP15_TCMTR(rr) p15, 0, rr, c0, c0, 2 /* TCM Type Register */
62 #define CP15_TLBTR(rr) p15, 0, rr, c0, c0, 3 /* TLB Type Register */
63 #define CP15_MPIDR(rr) p15, 0, rr, c0, c0, 5 /* Multiprocessor Affinity Register */
64 #define CP15_REVIDR(rr) p15, 0, rr, c0, c0, 6 /* Revision ID Register */
65
66 #define CP15_ID_PFR0(rr) p15, 0, rr, c0, c1, 0 /* Processor Feature Register 0 */
67 #define CP15_ID_PFR1(rr) p15, 0, rr, c0, c1, 1 /* Processor Feature Register 1 */
68 #define CP15_ID_DFR0(rr) p15, 0, rr, c0, c1, 2 /* Debug Feature Register 0 */
69 #define CP15_ID_AFR0(rr) p15, 0, rr, c0, c1, 3 /* Auxiliary Feature Register 0 */
70 #define CP15_ID_MMFR0(rr) p15, 0, rr, c0, c1, 4 /* Memory Model Feature Register 0 */
71 #define CP15_ID_MMFR1(rr) p15, 0, rr, c0, c1, 5 /* Memory Model Feature Register 1 */
72 #define CP15_ID_MMFR2(rr) p15, 0, rr, c0, c1, 6 /* Memory Model Feature Register 2 */
73 #define CP15_ID_MMFR3(rr) p15, 0, rr, c0, c1, 7 /* Memory Model Feature Register 3 */
74
75 #define CP15_ID_ISAR0(rr) p15, 0, rr, c0, c2, 0 /* Instruction Set Attribute Register 0 */
76 #define CP15_ID_ISAR1(rr) p15, 0, rr, c0, c2, 1 /* Instruction Set Attribute Register 1 */
77 #define CP15_ID_ISAR2(rr) p15, 0, rr, c0, c2, 2 /* Instruction Set Attribute Register 2 */
78 #define CP15_ID_ISAR3(rr) p15, 0, rr, c0, c2, 3 /* Instruction Set Attribute Register 3 */
79 #define CP15_ID_ISAR4(rr) p15, 0, rr, c0, c2, 4 /* Instruction Set Attribute Register 4 */
80 #define CP15_ID_ISAR5(rr) p15, 0, rr, c0, c2, 5 /* Instruction Set Attribute Register 5 */
81
82 #define CP15_CCSIDR(rr) p15, 1, rr, c0, c0, 0 /* Cache Size ID Registers */
83 #define CP15_CLIDR(rr) p15, 1, rr, c0, c0, 1 /* Cache Level ID Register */
84 #define CP15_AIDR(rr) p15, 1, rr, c0, c0, 7 /* Auxiliary ID Register */
85
86 #define CP15_CSSELR(rr) p15, 2, rr, c0, c0, 0 /* Cache Size Selection Register */
87
88 #define CP15_VPIDR(rr) p15, 4, rr, c0, c0, 0 /* Virtualization Processor ID Register */
89 #define CP15_VMPIDR(rr) p15, 4, rr, c0, c0, 5 /* Virtualization Multiprocessor ID Register */
90
91 /*
92 * CP15 C1 registers
93 */
94 #define CP15_SCTLR(rr) p15, 0, rr, c1, c0, 0 /* System Control Register */
95 #define CP15_ACTLR(rr) p15, 0, rr, c1, c0, 1 /* IMPLEMENTATION DEFINED Auxiliary Control Register */
96 #define CP15_CPACR(rr) p15, 0, rr, c1, c0, 2 /* Coprocessor Access Control Register */
97
98 #define CP15_SCR(rr) p15, 0, rr, c1, c1, 0 /* Secure Configuration Register */
99 #define CP15_SDER(rr) p15, 0, rr, c1, c1, 1 /* Secure Debug Enable Register */
100 #define CP15_NSACR(rr) p15, 0, rr, c1, c1, 2 /* Non-Secure Access Control Register */
101
102 #define CP15_HSCTLR(rr) p15, 4, rr, c1, c0, 0 /* Hyp System Control Register */
103
104 #define CP15_HCR(rr) p15, 4, rr, c1, c1, 0 /* Hyp Configuration Register */
105 #define CP15_HDCR(rr) p15, 4, rr, c1, c1, 1 /* Hyp Debug Configuration Register */
106 #define CP15_HCPTR(rr) p15, 4, rr, c1, c1, 2 /* Hyp Coprocessor Trap Register */
107 #define CP15_HSTR(rr) p15, 4, rr, c1, c1, 3 /* Hyp System Trap Register */
108
109 /*
110 * CP15 C2 registers
111 */
112 #define CP15_TTBR0(rr) p15, 0, rr, c2, c0, 0 /* Translation Table Base Register 0 */
113 #define CP15_TTBR1(rr) p15, 0, rr, c2, c0, 1 /* Translation Table Base Register 1 */
114 #define CP15_TTBCR(rr) p15, 0, rr, c2, c0, 2 /* Translation Table Base Control Register */
115
116 #define CP15_HTCR(rr) p15, 4, rr, c2, c0, 2 /* Hyp Translation Control Register */
117 #define CP15_VTCR(rr) p15, 4, rr, c2, c1, 2 /* Virtualization Translation Control Register */
118
119 /*
120 * CP15 C3 registers
121 */
122 #define CP15_DACR(rr) p15, 0, rr, c3, c0, 0 /* Domain Access Control Register */
123
124 /*
125 * CP15 C5 registers
126 */
127 #define CP15_DFSR(rr) p15, 0, rr, c5, c0, 0 /* Data Fault Status Register */
128 #define CP15_HSR(rr) p15, 4, rr, c5, c2, 0 /* Hyp Syndrome Register */
129
130 /* From ARMv6: */
131 #define CP15_IFSR(rr) p15, 0, rr, c5, c0, 1 /* Instruction Fault Status Register */
132 #if __ARM_ARCH >= 7
133 /* From ARMv7: */
134 #define CP15_ADFSR(rr) p15, 0, rr, c5, c1, 0 /* Auxiliary Data Fault Status Register */
135 #define CP15_AIFSR(rr) p15, 0, rr, c5, c1, 1 /* Auxiliary Instruction Fault Status Register */
136 #endif
137
138 /*
139 * CP15 C6 registers
140 */
141 #define CP15_DFAR(rr) p15, 0, rr, c6, c0, 0 /* Data Fault Address Register */
142 #define CP15_HDFAR(rr) p15, 4, rr, c6, c0, 0 /* Hyp Data Fault Address Register */
143 #define CP15_HIFAR(rr) p15, 4, rr, c6, c0, 2 /* Hyp Instruction Fault Address Register */
144 #define CP15_HPFAR(rr) p15, 4, rr, c6, c0, 4 /* Hyp IPA Fault Address Register */
145
146 /* From ARMv6k: */
147 #define CP15_IFAR(rr) p15, 0, rr, c6, c0, 2 /* Instruction Fault Address Register */
148
149 /*
150 * CP15 C7 registers
151 */
152 #if __ARM_ARCH >= 7 && defined(SMP)
153 /* From ARMv7: */
154 #define CP15_ICIALLUIS p15, 0, r0, c7, c1, 0 /* Instruction cache invalidate all PoU, IS */
155 #define CP15_BPIALLIS p15, 0, r0, c7, c1, 6 /* Branch predictor invalidate all IS */
156 #endif
157
158 #define CP15_PAR(rr) p15, 0, rr, c7, c4, 0 /* Physical Address Register */
159
160 #define CP15_ICIALLU p15, 0, r0, c7, c5, 0 /* Instruction cache invalidate all PoU */
161 #define CP15_ICIMVAU(rr) p15, 0, rr, c7, c5, 1 /* Instruction cache invalidate */
162 #if __ARM_ARCH == 6
163 /* Deprecated in ARMv7 */
164 #define CP15_CP15ISB p15, 0, r0, c7, c5, 4 /* ISB */
165 #endif
166 #define CP15_BPIALL p15, 0, r0, c7, c5, 6 /* Branch predictor invalidate all */
167 #define CP15_BPIMVA p15, 0, rr, c7, c5, 7 /* Branch predictor invalidate by MVA */
168
169 #if __ARM_ARCH == 6
170 /* Only ARMv6: */
171 #define CP15_DCIALL p15, 0, r0, c7, c6, 0 /* Data cache invalidate all */
172 #endif
173 #define CP15_DCIMVAC(rr) p15, 0, rr, c7, c6, 1 /* Data cache invalidate by MVA PoC */
174 #define CP15_DCISW(rr) p15, 0, rr, c7, c6, 2 /* Data cache invalidate by set/way */
175
176 #define CP15_ATS1CPR(rr) p15, 0, rr, c7, c8, 0 /* Stage 1 Current state PL1 read */
177 #define CP15_ATS1CPW(rr) p15, 0, rr, c7, c8, 1 /* Stage 1 Current state PL1 write */
178 #define CP15_ATS1CUR(rr) p15, 0, rr, c7, c8, 2 /* Stage 1 Current state unprivileged read */
179 #define CP15_ATS1CUW(rr) p15, 0, rr, c7, c8, 3 /* Stage 1 Current state unprivileged write */
180
181 #if __ARM_ARCH >= 7
182 /* From ARMv7: */
183 #define CP15_ATS12NSOPR(rr) p15, 0, rr, c7, c8, 4 /* Stages 1 and 2 Non-secure only PL1 read */
184 #define CP15_ATS12NSOPW(rr) p15, 0, rr, c7, c8, 5 /* Stages 1 and 2 Non-secure only PL1 write */
185 #define CP15_ATS12NSOUR(rr) p15, 0, rr, c7, c8, 6 /* Stages 1 and 2 Non-secure only unprivileged read */
186 #define CP15_ATS12NSOUW(rr) p15, 0, rr, c7, c8, 7 /* Stages 1 and 2 Non-secure only unprivileged write */
187 #endif
188
189 #if __ARM_ARCH == 6
190 /* Only ARMv6: */
191 #define CP15_DCCALL p15, 0, r0, c7, c10, 0 /* Data cache clean all */
192 #endif
193 #define CP15_DCCMVAC(rr) p15, 0, rr, c7, c10, 1 /* Data cache clean by MVA PoC */
194 #define CP15_DCCSW(rr) p15, 0, rr, c7, c10, 2 /* Data cache clean by set/way */
195 #if __ARM_ARCH == 6
196 /* Only ARMv6: */
197 #define CP15_CP15DSB p15, 0, r0, c7, c10, 4 /* DSB */
198 #define CP15_CP15DMB p15, 0, r0, c7, c10, 5 /* DMB */
199 #define CP15_CP15WFI p15, 0, r0, c7, c0, 4 /* WFI */
200 #endif
201
202 #if __ARM_ARCH >= 7
203 /* From ARMv7: */
204 #define CP15_DCCMVAU(rr) p15, 0, rr, c7, c11, 1 /* Data cache clean by MVA PoU */
205 #endif
206
207 #if __ARM_ARCH == 6
208 /* Only ARMv6: */
209 #define CP15_DCCIALL p15, 0, r0, c7, c14, 0 /* Data cache clean and invalidate all */
210 #endif
211 #define CP15_DCCIMVAC(rr) p15, 0, rr, c7, c14, 1 /* Data cache clean and invalidate by MVA PoC */
212 #define CP15_DCCISW(rr) p15, 0, rr, c7, c14, 2 /* Data cache clean and invalidate by set/way */
213
214 /*
215 * CP15 C8 registers
216 */
217 #if __ARM_ARCH >= 7 && defined(SMP)
218 /* From ARMv7: */
219 #define CP15_TLBIALLIS p15, 0, r0, c8, c3, 0 /* Invalidate entire unified TLB IS */
220 #define CP15_TLBIMVAIS(rr) p15, 0, rr, c8, c3, 1 /* Invalidate unified TLB by MVA IS */
221 #define CP15_TLBIASIDIS(rr) p15, 0, rr, c8, c3, 2 /* Invalidate unified TLB by ASID IS */
222 #define CP15_TLBIMVAAIS(rr) p15, 0, rr, c8, c3, 3 /* Invalidate unified TLB by MVA, all ASID IS */
223 #endif
224
225 #define CP15_TLBIALL p15, 0, r0, c8, c7, 0 /* Invalidate entire unified TLB */
226 #define CP15_TLBIMVA(rr) p15, 0, rr, c8, c7, 1 /* Invalidate unified TLB by MVA */
227 #define CP15_TLBIASID(rr) p15, 0, rr, c8, c7, 2 /* Invalidate unified TLB by ASID */
228
229 #define CP15_TLBIALLH(rr) p15, 4, rr, c8, c7, 0 /* Invalidate Entire Hyp Unified TLB */
230
231 /* From ARMv6: */
232 #define CP15_TLBIMVAA(rr) p15, 0, rr, c8, c7, 3 /* Invalidate unified TLB by MVA, all ASID */
233
234 /*
235 * CP15 C9 registers
236 */
237 #if __ARM_ARCH == 6 && defined(CPU_ARM1176)
238 #define CP15_PMUSERENR(rr) p15, 0, rr, c15, c9, 0 /* Access Validation Control Register */
239 #define CP15_PMCR(rr) p15, 0, rr, c15, c12, 0 /* Performance Monitor Control Register */
240 #define CP15_PMCCNTR(rr) p15, 0, rr, c15, c12, 1 /* PM Cycle Count Register */
241 #else
242 #define CP15_L2CTLR(rr) p15, 1, rr, c9, c0, 2 /* L2 Control Register */
243 #define CP15_PMCR(rr) p15, 0, rr, c9, c12, 0 /* Performance Monitor Control Register */
244 #define CP15_PMCNTENSET(rr) p15, 0, rr, c9, c12, 1 /* PM Count Enable Set Register */
245 #define CP15_PMCNTENCLR(rr) p15, 0, rr, c9, c12, 2 /* PM Count Enable Clear Register */
246 #define CP15_PMOVSR(rr) p15, 0, rr, c9, c12, 3 /* PM Overflow Flag Status Register */
247 #define CP15_PMSWINC(rr) p15, 0, rr, c9, c12, 4 /* PM Software Increment Register */
248 #define CP15_PMSELR(rr) p15, 0, rr, c9, c12, 5 /* PM Event Counter Selection Register */
249 #define CP15_PMCCNTR(rr) p15, 0, rr, c9, c13, 0 /* PM Cycle Count Register */
250 #define CP15_PMXEVTYPER(rr) p15, 0, rr, c9, c13, 1 /* PM Event Type Select Register */
251 #define CP15_PMXEVCNTRR(rr) p15, 0, rr, c9, c13, 2 /* PM Event Count Register */
252 #define CP15_PMUSERENR(rr) p15, 0, rr, c9, c14, 0 /* PM User Enable Register */
253 #define CP15_PMINTENSET(rr) p15, 0, rr, c9, c14, 1 /* PM Interrupt Enable Set Register */
254 #define CP15_PMINTENCLR(rr) p15, 0, rr, c9, c14, 2 /* PM Interrupt Enable Clear Register */
255 #endif
256
257 /*
258 * CP15 C10 registers
259 */
260 /* Without LPAE this is PRRR, with LPAE it's MAIR0 */
261 #define CP15_PRRR(rr) p15, 0, rr, c10, c2, 0 /* Primary Region Remap Register */
262 #define CP15_MAIR0(rr) p15, 0, rr, c10, c2, 0 /* Memory Attribute Indirection Register 0 */
263 /* Without LPAE this is NMRR, with LPAE it's MAIR1 */
264 #define CP15_NMRR(rr) p15, 0, rr, c10, c2, 1 /* Normal Memory Remap Register */
265 #define CP15_MAIR1(rr) p15, 0, rr, c10, c2, 1 /* Memory Attribute Indirection Register 1 */
266
267 #define CP15_AMAIR0(rr) p15, 0, rr, c10, c3, 0 /* Auxiliary Memory Attribute Indirection Register 0 */
268 #define CP15_AMAIR1(rr) p15, 0, rr, c10, c3, 1 /* Auxiliary Memory Attribute Indirection Register 1 */
269
270 #define CP15_HMAIR0(rr) p15, 4, rr, c10, c2, 0 /* Hyp Memory Attribute Indirection Register 0 */
271 #define CP15_HMAIR1(rr) p15, 4, rr, c10, c2, 1 /* Hyp Memory Attribute Indirection Register 1 */
272
273 /*
274 * CP15 C12 registers
275 */
276 #define CP15_VBAR(rr) p15, 0, rr, c12, c0, 0 /* Vector Base Address Register */
277 #define CP15_MVBAR(rr) p15, 0, rr, c12, c0, 1 /* Monitor Vector Base Address Register */
278
279 #define CP15_ISR(rr) p15, 0, rr, c12, c1, 0 /* Interrupt Status Register */
280 #define CP15_HVBAR(rr) p15, 4, rr, c12, c0, 0 /* Hyp Vector Base Address Register*/
281
282 /*
283 * CP15 C13 registers
284 */
285 #define CP15_FCSEIDR(rr) p15, 0, rr, c13, c0, 0 /* FCSE Process ID Register */
286 #define CP15_CONTEXTIDR(rr) p15, 0, rr, c13, c0, 1 /* Context ID Register */
287 #define CP15_TPIDRURW(rr) p15, 0, rr, c13, c0, 2 /* User Read/Write Thread ID Register */
288 #define CP15_TPIDRURO(rr) p15, 0, rr, c13, c0, 3 /* User Read-Only Thread ID Register */
289 #define CP15_TPIDRPRW(rr) p15, 0, rr, c13, c0, 4 /* PL1 only Thread ID Register */
290 #define CP15_HTPIDR(rr) p15, 4, rr, c13, c0, 2 /* Hyp Software Thread ID Register */
291
292 /*
293 * CP15 C14 registers
294 * These are the Generic Timer registers and may be unallocated on some SoCs.
295 * Only use these when you know the Generic Timer is available.
296 */
297 #define CP15_CNTFRQ(rr) p15, 0, rr, c14, c0, 0 /* Counter Frequency Register */
298 #define CP15_CNTKCTL(rr) p15, 0, rr, c14, c1, 0 /* Timer PL1 Control Register */
299 #define CP15_CNTP_TVAL(rr) p15, 0, rr, c14, c2, 0 /* PL1 Physical Timer Value Register */
300 #define CP15_CNTP_CTL(rr) p15, 0, rr, c14, c2, 1 /* PL1 Physical Timer Control Register */
301 #define CP15_CNTV_TVAL(rr) p15, 0, rr, c14, c3, 0 /* Virtual Timer Value Register */
302 #define CP15_CNTV_CTL(rr) p15, 0, rr, c14, c3, 1 /* Virtual Timer Control Register */
303 #define CP15_CNTHCTL(rr) p15, 4, rr, c14, c1, 0 /* Timer PL2 Control Register */
304 #define CP15_CNTHP_TVAL(rr) p15, 4, rr, c14, c2, 0 /* PL2 Physical Timer Value Register */
305 #define CP15_CNTHP_CTL(rr) p15, 4, rr, c14, c2, 1 /* PL2 Physical Timer Control Register */
306 /* 64-bit registers for use with mcrr/mrrc */
307 #define CP15_CNTPCT(rq, rr) p15, 0, rq, rr, c14 /* Physical Count Register */
308 #define CP15_CNTVCT(rq, rr) p15, 1, rq, rr, c14 /* Virtual Count Register */
309 #define CP15_CNTP_CVAL(rq, rr) p15, 2, rq, rr, c14 /* PL1 Physical Timer Compare Value Register */
310 #define CP15_CNTV_CVAL(rq, rr) p15, 3, rq, rr, c14 /* Virtual Timer Compare Value Register */
311 #define CP15_CNTVOFF(rq, rr) p15, 4, rq, rr, c14 /* Virtual Offset Register */
312 #define CP15_CNTHP_CVAL(rq, rr) p15, 6, rq, rr, c14 /* PL2 Physical Timer Compare Value Register */
313
314 #define CP15_VTTBR(rq, rr) p15, 6, rq, rr, c2 /* Virtualization Translation Table Base Register */
315 #define CP15_HTTBR(rq, rr) p15, 4, rq, rr, c2 /* Hyp Translation Table Base Register */
316 #define CP15_TTBR0_2(rq, rr) p15, 0, rq, rr, c2 /* Translation Table Base Register 0 */
317 #define CP15_TTBR1_2(rq, rr) p15, 1, rq, rr, c2 /* Translation Table Base Register 1 */
318 #define CP15_PAR_2(rq, rr) p15, 0, rq, rr, c7 /* Physical Address Register */
319
320 /*
321 * CP15 C15 registers
322 */
323 #define CP15_CBAR(rr) p15, 4, rr, c15, c0, 0 /* Configuration Base Address Register */
324
325 #endif /* !MACHINE_SYSREG_H */
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