| 1 | /*	$NetBSD: armreg.h,v 1.37 2007/01/06 00:50:54 christos Exp $	*/ |
| 2 | |
| 3 | /*- |
| 4 | * SPDX-License-Identifier: BSD-4-Clause |
| 5 | * |
| 6 | * Copyright (c) 1998, 2001 Ben Harris |
| 7 | * Copyright (c) 1994-1996 Mark Brinicombe. |
| 8 | * Copyright (c) 1994 Brini. |
| 9 | * All rights reserved. |
| 10 | * |
| 11 | * This code is derived from software written for Brini by Mark Brinicombe |
| 12 | * |
| 13 | * Redistribution and use in source and binary forms, with or without |
| 14 | * modification, are permitted provided that the following conditions |
| 15 | * are met: |
| 16 | * 1. Redistributions of source code must retain the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer. |
| 18 | * 2. Redistributions in binary form must reproduce the above copyright |
| 19 | * notice, this list of conditions and the following disclaimer in the |
| 20 | * documentation and/or other materials provided with the distribution. |
| 21 | * 3. All advertising materials mentioning features or use of this software |
| 22 | * must display the following acknowledgement: |
| 23 | *	This product includes software developed by Brini. |
| 24 | * 4. The name of the company nor the name of the author may be used to |
| 25 | * endorse or promote products derived from this software without specific |
| 26 | * prior written permission. |
| 27 | * |
| 28 | * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 29 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 30 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 31 | * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| 32 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 33 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 34 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 36 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 37 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 38 | * SUCH DAMAGE. |
| 39 | */ |
| 40 | |
| 41 | #ifndef MACHINE_ARMREG_H |
| 42 | #define MACHINE_ARMREG_H |
| 43 | |
| 44 | #define PSR_MODE 0x0000001f /* mode mask */ |
| 45 | #define PSR_USR32_MODE 0x00000010 |
| 46 | #define PSR_FIQ32_MODE 0x00000011 |
| 47 | #define PSR_IRQ32_MODE 0x00000012 |
| 48 | #define PSR_SVC32_MODE 0x00000013 |
| 49 | #define PSR_MON32_MODE	0x00000016 |
| 50 | #define PSR_ABT32_MODE 0x00000017 |
| 51 | #define PSR_HYP32_MODE	0x0000001a |
| 52 | #define PSR_UND32_MODE 0x0000001b |
| 53 | #define PSR_SYS32_MODE 0x0000001f |
| 54 | #define PSR_32_MODE 0x00000010 |
| 55 | #define PSR_T		0x00000020	/* Instruction set bit */ |
| 56 | #define PSR_F		0x00000040	/* FIQ disable bit */ |
| 57 | #define PSR_I		0x00000080	/* IRQ disable bit */ |
| 58 | #define PSR_A		0x00000100	/* Imprecise abort bit */ |
| 59 | #define PSR_E		0x00000200	/* Data endianess bit */ |
| 60 | #define PSR_GE		0x000f0000	/* Greater than or equal to bits */ |
| 61 | #define PSR_J		0x01000000	/* Java bit */ |
| 62 | #define PSR_Q		0x08000000	/* Sticky overflow bit */ |
| 63 | #define PSR_V		0x10000000	/* Overflow bit */ |
| 64 | #define PSR_C		0x20000000	/* Carry bit */ |
| 65 | #define PSR_Z		0x40000000	/* Zero bit */ |
| 66 | #define PSR_N		0x80000000	/* Negative bit */ |
| 67 | #define PSR_FLAGS	0xf0000000	/* Flags mask. */ |
| 68 | |
| 69 | /* The high-order byte is always the implementor */ |
| 70 | #define CPU_ID_IMPLEMENTOR_MASK	0xff000000 |
| 71 | #define CPU_ID_ARM_LTD		0x41000000 /* 'A' */ |
| 72 | #define CPU_ID_DEC		0x44000000 /* 'D' */ |
| 73 | #define	CPU_ID_MOTOROLA		0x4D000000 /* 'M' */ |
| 74 | #define	CPU_ID_QUALCOM		0x51000000 /* 'Q' */ |
| 75 | #define	CPU_ID_TI		0x54000000 /* 'T' */ |
| 76 | #define	CPU_ID_MARVELL		0x56000000 /* 'V' */ |
| 77 | #define	CPU_ID_INTEL		0x69000000 /* 'i' */ |
| 78 | #define	CPU_ID_FARADAY		0x66000000 /* 'f' */ |
| 79 | |
| 80 | #define	CPU_ID_VARIANT_SHIFT	20 |
| 81 | #define	CPU_ID_VARIANT_MASK	0x00f00000 |
| 82 | |
| 83 | /* How to decide what format the CPUID is in. */ |
| 84 | #define CPU_ID_ISOLD(x)		(((x) & 0x0000f000) == 0x00000000) |
| 85 | #define CPU_ID_IS7(x)		(((x) & 0x0000f000) == 0x00007000) |
| 86 | #define CPU_ID_ISNEW(x)		(!CPU_ID_ISOLD(x) && !CPU_ID_IS7(x)) |
| 87 | |
| 88 | /* On recent ARMs this byte holds the architecture and variant (sub-model) */ |
| 89 | #define CPU_ID_ARCH_MASK	0x000f0000 |
| 90 | #define CPU_ID_ARCH_V3		0x00000000 |
| 91 | #define CPU_ID_ARCH_V4		0x00010000 |
| 92 | #define CPU_ID_ARCH_V4T		0x00020000 |
| 93 | #define CPU_ID_ARCH_V5		0x00030000 |
| 94 | #define CPU_ID_ARCH_V5T		0x00040000 |
| 95 | #define CPU_ID_ARCH_V5TE	0x00050000 |
| 96 | #define CPU_ID_ARCH_V5TEJ	0x00060000 |
| 97 | #define CPU_ID_ARCH_V6		0x00070000 |
| 98 | #define CPU_ID_CPUID_SCHEME	0x000f0000 |
| 99 | |
| 100 | /* Next three nybbles are part number */ |
| 101 | #define CPU_ID_PARTNO_MASK	0x0000fff0 |
| 102 | |
| 103 | /* Intel XScale has sub fields in part number */ |
| 104 | #define CPU_ID_XSCALE_COREGEN_MASK	0x0000e000 /* core generation */ |
| 105 | #define CPU_ID_XSCALE_COREREV_MASK	0x00001c00 /* core revision */ |
| 106 | #define CPU_ID_XSCALE_PRODUCT_MASK	0x000003f0 /* product number */ |
| 107 | |
| 108 | /* And finally, the revision number. */ |
| 109 | #define CPU_ID_REVISION_MASK	0x0000000f |
| 110 | |
| 111 | /* Individual CPUs are probably best IDed by everything but the revision. */ |
| 112 | #define CPU_ID_CPU_MASK		0xfffffff0 |
| 113 | |
| 114 | /* ARM9 and later CPUs */ |
| 115 | #define CPU_ID_ARM920T		0x41129200 |
| 116 | #define CPU_ID_ARM920T_ALT	0x41009200 |
| 117 | #define CPU_ID_ARM922T		0x41029220 |
| 118 | #define CPU_ID_ARM926EJS	0x41069260 |
| 119 | #define CPU_ID_ARM940T		0x41029400 /* XXX no MMU */ |
| 120 | #define CPU_ID_ARM946ES		0x41049460 /* XXX no MMU */ |
| 121 | #define	CPU_ID_ARM966ES		0x41049660 /* XXX no MMU */ |
| 122 | #define	CPU_ID_ARM966ESR1	0x41059660 /* XXX no MMU */ |
| 123 | #define CPU_ID_ARM1020E		0x4115a200 /* (AKA arm10 rev 1) */ |
| 124 | #define CPU_ID_ARM1022ES	0x4105a220 |
| 125 | #define CPU_ID_ARM1026EJS	0x4106a260 |
| 126 | #define CPU_ID_ARM1136JS	0x4107b360 |
| 127 | #define CPU_ID_ARM1136JSR1	0x4117b360 |
| 128 | #define CPU_ID_ARM1176JZS	0x410fb760 |
| 129 | |
| 130 | /* CPUs that follow the CPUID scheme */ |
| 131 | #define	CPU_ID_SCHEME_MASK	\ |
| 132 | (CPU_ID_IMPLEMENTOR_MASK | CPU_ID_ARCH_MASK | CPU_ID_PARTNO_MASK) |
| 133 | |
| 134 | #define	CPU_ID_CORTEXA5		(CPU_ID_ARM_LTD | CPU_ID_CPUID_SCHEME | 0xc050) |
| 135 | #define	CPU_ID_CORTEXA7		(CPU_ID_ARM_LTD | CPU_ID_CPUID_SCHEME | 0xc070) |
| 136 | #define	CPU_ID_CORTEXA8		(CPU_ID_ARM_LTD | CPU_ID_CPUID_SCHEME | 0xc080) |
| 137 | #define	 CPU_ID_CORTEXA8R1	(CPU_ID_CORTEXA8 | (1 << CPU_ID_VARIANT_SHIFT)) |
| 138 | #define	 CPU_ID_CORTEXA8R2	(CPU_ID_CORTEXA8 | (2 << CPU_ID_VARIANT_SHIFT)) |
| 139 | #define	 CPU_ID_CORTEXA8R3	(CPU_ID_CORTEXA8 | (3 << CPU_ID_VARIANT_SHIFT)) |
| 140 | #define	CPU_ID_CORTEXA9		(CPU_ID_ARM_LTD | CPU_ID_CPUID_SCHEME | 0xc090) |
| 141 | #define	 CPU_ID_CORTEXA9R1	(CPU_ID_CORTEXA9 | (1 << CPU_ID_VARIANT_SHIFT)) |
| 142 | #define	 CPU_ID_CORTEXA9R2	(CPU_ID_CORTEXA9 | (2 << CPU_ID_VARIANT_SHIFT)) |
| 143 | #define	 CPU_ID_CORTEXA9R3	(CPU_ID_CORTEXA9 | (3 << CPU_ID_VARIANT_SHIFT)) |
| 144 | #define	 CPU_ID_CORTEXA9R4	(CPU_ID_CORTEXA9 | (4 << CPU_ID_VARIANT_SHIFT)) |
| 145 | /* XXX: Cortex-A12 is the old name for this part, it has been renamed the A17 */ |
| 146 | #define	CPU_ID_CORTEXA12	(CPU_ID_ARM_LTD | CPU_ID_CPUID_SCHEME | 0xc0d0) |
| 147 | #define	 CPU_ID_CORTEXA12R0	(CPU_ID_CORTEXA12 | (0 << CPU_ID_VARIANT_SHIFT)) |
| 148 | #define	CPU_ID_CORTEXA15	(CPU_ID_ARM_LTD | CPU_ID_CPUID_SCHEME | 0xc0f0) |
| 149 | #define	 CPU_ID_CORTEXA15R0	(CPU_ID_CORTEXA15 | (0 << CPU_ID_VARIANT_SHIFT)) |
| 150 | #define	 CPU_ID_CORTEXA15R1	(CPU_ID_CORTEXA15 | (1 << CPU_ID_VARIANT_SHIFT)) |
| 151 | #define	 CPU_ID_CORTEXA15R2	(CPU_ID_CORTEXA15 | (2 << CPU_ID_VARIANT_SHIFT)) |
| 152 | #define	 CPU_ID_CORTEXA15R3	(CPU_ID_CORTEXA15 | (3 << CPU_ID_VARIANT_SHIFT)) |
| 153 | #define	CPU_ID_CORTEXA53	(CPU_ID_ARM_LTD | CPU_ID_CPUID_SCHEME | 0xd030) |
| 154 | #define	CPU_ID_CORTEXA57	(CPU_ID_ARM_LTD | CPU_ID_CPUID_SCHEME | 0xd070) |
| 155 | #define	CPU_ID_CORTEXA72	(CPU_ID_ARM_LTD | CPU_ID_CPUID_SCHEME | 0xd080) |
| 156 | |
| 157 | #define	CPU_ID_KRAIT300		(CPU_ID_QUALCOM | CPU_ID_CPUID_SCHEME | 0x06f0) |
| 158 | /* Snapdragon S4 Pro/APQ8064 */ |
| 159 | #define	 CPU_ID_KRAIT300R0	(CPU_ID_KRAIT300 | (0 << CPU_ID_VARIANT_SHIFT)) |
| 160 | #define	 CPU_ID_KRAIT300R1	(CPU_ID_KRAIT300 | (1 << CPU_ID_VARIANT_SHIFT)) |
| 161 | |
| 162 | #define	CPU_ID_TI925T		0x54029250 |
| 163 | #define CPU_ID_MV88FR131	0x56251310 /* Marvell Feroceon 88FR131 Core */ |
| 164 | #define CPU_ID_MV88FR331	0x56153310 /* Marvell Feroceon 88FR331 Core */ |
| 165 | #define CPU_ID_MV88FR571_VD	0x56155710 /* Marvell Feroceon 88FR571-VD Core (ID from datasheet) */ |
| 166 | |
| 167 | /* |
| 168 | * LokiPlus core has also ID set to 0x41159260 and this define cause execution of unsupported |
| 169 | * L2-cache instructions so need to disable it. 0x41159260 is a generic ARM926E-S ID. |
| 170 | */ |
| 171 | #ifdef SOC_MV_LOKIPLUS |
| 172 | #define CPU_ID_MV88FR571_41	0x00000000 |
| 173 | #else |
| 174 | #define CPU_ID_MV88FR571_41	0x41159260 /* Marvell Feroceon 88FR571-VD Core (actual ID from CPU reg) */ |
| 175 | #endif |
| 176 | |
| 177 | #define CPU_ID_MV88SV581X_V7		0x561F5810 /* Marvell Sheeva 88SV581x v7 Core */ |
| 178 | #define CPU_ID_MV88SV584X_V7		0x562F5840 /* Marvell Sheeva 88SV584x v7 Core */ |
| 179 | /* Marvell's CPUIDs with ARM ID in implementor field */ |
| 180 | #define CPU_ID_ARM_88SV581X_V7		0x413FC080 /* Marvell Sheeva 88SV581x v7 Core */ |
| 181 | |
| 182 | #define	CPU_ID_FA526		0x66015260 |
| 183 | #define	CPU_ID_FA626TE		0x66056260 |
| 184 | #define CPU_ID_80200		0x69052000 |
| 185 | #define CPU_ID_PXA250 	0x69052100 /* sans core revision */ |
| 186 | #define CPU_ID_PXA210 	0x69052120 |
| 187 | #define CPU_ID_PXA250A		0x69052100 /* 1st version Core */ |
| 188 | #define CPU_ID_PXA210A		0x69052120 /* 1st version Core */ |
| 189 | #define CPU_ID_PXA250B		0x69052900 /* 3rd version Core */ |
| 190 | #define CPU_ID_PXA210B		0x69052920 /* 3rd version Core */ |
| 191 | #define CPU_ID_PXA250C		0x69052d00 /* 4th version Core */ |
| 192 | #define CPU_ID_PXA210C		0x69052d20 /* 4th version Core */ |
| 193 | #define	CPU_ID_PXA27X		0x69054110 |
| 194 | #define	CPU_ID_80321_400	0x69052420 |
| 195 | #define	CPU_ID_80321_600	0x69052430 |
| 196 | #define	CPU_ID_80321_400_B0	0x69052c20 |
| 197 | #define	CPU_ID_80321_600_B0	0x69052c30 |
| 198 | #define	CPU_ID_80219_400	0x69052e20 /* A0 stepping/revision. */ |
| 199 | #define	CPU_ID_80219_600	0x69052e30 /* A0 stepping/revision. */ |
| 200 | #define	CPU_ID_81342		0x69056810 |
| 201 | #define	CPU_ID_IXP425		0x690541c0 |
| 202 | #define	CPU_ID_IXP425_533	0x690541c0 |
| 203 | #define	CPU_ID_IXP425_400	0x690541d0 |
| 204 | #define	CPU_ID_IXP425_266	0x690541f0 |
| 205 | #define	CPU_ID_IXP435		0x69054040 |
| 206 | #define	CPU_ID_IXP465		0x69054200 |
| 207 | |
| 208 | /* CPUID registers */ |
| 209 | #define ARM_PFR0_ARM_ISA_MASK	0x0000000f |
| 210 | |
| 211 | #define ARM_PFR0_THUMB_MASK	0x000000f0 |
| 212 | #define ARM_PFR0_THUMB		0x10 |
| 213 | #define ARM_PFR0_THUMB2		0x30 |
| 214 | |
| 215 | #define ARM_PFR0_JAZELLE_MASK	0x00000f00 |
| 216 | #define ARM_PFR0_THUMBEE_MASK	0x0000f000 |
| 217 | |
| 218 | #define ARM_PFR1_ARMV4_MASK	0x0000000f |
| 219 | #define ARM_PFR1_SEC_EXT_MASK	0x000000f0 |
| 220 | #define ARM_PFR1_MICROCTRL_MASK	0x00000f00 |
| 221 | |
| 222 | /* |
| 223 | * Post-ARM3 CP15 registers: |
| 224 | * |
| 225 | *	1	Control register |
| 226 | * |
| 227 | *	2	Translation Table Base |
| 228 | * |
| 229 | *	3	Domain Access Control |
| 230 | * |
| 231 | *	4	Reserved |
| 232 | * |
| 233 | *	5	Fault Status |
| 234 | * |
| 235 | *	6	Fault Address |
| 236 | * |
| 237 | *	7	Cache/write-buffer Control |
| 238 | * |
| 239 | *	8	TLB Control |
| 240 | * |
| 241 | *	9	Cache Lockdown |
| 242 | * |
| 243 | *	10	TLB Lockdown |
| 244 | * |
| 245 | *	11	Reserved |
| 246 | * |
| 247 | *	12	Reserved |
| 248 | * |
| 249 | *	13	Process ID (for FCSE) |
| 250 | * |
| 251 | *	14	Reserved |
| 252 | * |
| 253 | *	15	Implementation Dependent |
| 254 | */ |
| 255 | |
| 256 | /* Some of the definitions below need cleaning up for V3/V4 architectures */ |
| 257 | |
| 258 | /* CPU control register (CP15 register 1) */ |
| 259 | #define CPU_CONTROL_MMU_ENABLE	0x00000001 /* M: MMU/Protection unit enable */ |
| 260 | #define CPU_CONTROL_AFLT_ENABLE	0x00000002 /* A: Alignment fault enable */ |
| 261 | #define CPU_CONTROL_DC_ENABLE	0x00000004 /* C: IDC/DC enable */ |
| 262 | #define CPU_CONTROL_WBUF_ENABLE 0x00000008 /* W: Write buffer enable */ |
| 263 | #define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */ |
| 264 | #define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */ |
| 265 | #define CPU_CONTROL_LABT_ENABLE 0x00000040 /* L: Late abort enable */ |
| 266 | #define CPU_CONTROL_BEND_ENABLE 0x00000080 /* B: Big-endian mode */ |
| 267 | #define CPU_CONTROL_SYST_ENABLE 0x00000100 /* S: System protection bit */ |
| 268 | #define CPU_CONTROL_ROM_ENABLE	0x00000200 /* R: ROM protection bit */ |
| 269 | #define CPU_CONTROL_CPCLK	0x00000400 /* F: Implementation defined */ |
| 270 | #define CPU_CONTROL_SW_ENABLE	0x00000400 /* SW: SWP instruction enable */ |
| 271 | #define CPU_CONTROL_BPRD_ENABLE 0x00000800 /* Z: Branch prediction enable */ |
| 272 | #define CPU_CONTROL_IC_ENABLE 0x00001000 /* I: IC enable */ |
| 273 | #define CPU_CONTROL_VECRELOC	0x00002000 /* V: Vector relocation */ |
| 274 | #define CPU_CONTROL_ROUNDROBIN	0x00004000 /* RR: Predictable replacement */ |
| 275 | #define CPU_CONTROL_V4COMPAT	0x00008000 /* L4: ARMv4 compat LDR R15 etc */ |
| 276 | #define CPU_CONTROL_HAF_ENABLE	0x00020000 /* HA: Hardware Access Flag Enable */ |
| 277 | #define CPU_CONTROL_FI_ENABLE	0x00200000 /* FI: Low interrupt latency */ |
| 278 | #define CPU_CONTROL_UNAL_ENABLE 0x00400000 /* U: unaligned data access */ |
| 279 | #define CPU_CONTROL_V6_EXTPAGE	0x00800000 /* XP: ARMv6 extended page tables */ |
| 280 | #define CPU_CONTROL_V_ENABLE	0x01000000 /* VE: Interrupt vectors enable */ |
| 281 | #define CPU_CONTROL_EX_BEND	0x02000000 /* EE: exception endianness */ |
| 282 | #define CPU_CONTROL_L2_ENABLE	0x04000000 /* L2 Cache enabled */ |
| 283 | #define CPU_CONTROL_NMFI	0x08000000 /* NMFI: Non maskable FIQ */ |
| 284 | #define CPU_CONTROL_TR_ENABLE	0x10000000 /* TRE: TEX Remap*/ |
| 285 | #define CPU_CONTROL_AF_ENABLE	0x20000000 /* AFE: Access Flag enable */ |
| 286 | #define CPU_CONTROL_TE_ENABLE	0x40000000 /* TE: Thumb Exception enable */ |
| 287 | |
| 288 | #define CPU_CONTROL_IDC_ENABLE	CPU_CONTROL_DC_ENABLE |
| 289 | |
| 290 | /* ARM11x6 Auxiliary Control Register (CP15 register 1, opcode2 1) */ |
| 291 | #define	ARM11X6_AUXCTL_RS	0x00000001 /* return stack */ |
| 292 | #define	ARM11X6_AUXCTL_DB	0x00000002 /* dynamic branch prediction */ |
| 293 | #define	ARM11X6_AUXCTL_SB	0x00000004 /* static branch prediction */ |
| 294 | #define	ARM11X6_AUXCTL_TR	0x00000008 /* MicroTLB replacement strat. */ |
| 295 | #define	ARM11X6_AUXCTL_EX	0x00000010 /* exclusive L1/L2 cache */ |
| 296 | #define	ARM11X6_AUXCTL_RA	0x00000020 /* clean entire cache disable */ |
| 297 | #define	ARM11X6_AUXCTL_RV	0x00000040 /* block transfer cache disable */ |
| 298 | #define	ARM11X6_AUXCTL_CZ	0x00000080 /* restrict cache size */ |
| 299 | |
| 300 | /* ARM1136 Auxiliary Control Register (CP15 register 1, opcode2 1) */ |
| 301 | #define ARM1136_AUXCTL_PFI	0x80000000 /* PFI: partial FI mode. */ |
| 302 | 					 /* This is an undocumented flag |
| 303 | 					 * used to work around a cache bug |
| 304 | 					 * in r0 steppings. See errata |
| 305 | 					 * 364296. |
| 306 | 					 */ |
| 307 | /* ARM1176 Auxiliary Control Register (CP15 register 1, opcode2 1) */ |
| 308 | #define	ARM1176_AUXCTL_PHD	0x10000000 /* inst. prefetch halting disable */ |
| 309 | #define	ARM1176_AUXCTL_BFD	0x20000000 /* branch folding disable */ |
| 310 | #define	ARM1176_AUXCTL_FSD	0x40000000 /* force speculative ops disable */ |
| 311 | #define	ARM1176_AUXCTL_FIO	0x80000000 /* low intr latency override */ |
| 312 | |
| 313 | /* XScale Auxillary Control Register (CP15 register 1, opcode2 1) */ |
| 314 | #define	XSCALE_AUXCTL_K		0x00000001 /* dis. write buffer coalescing */ |
| 315 | #define	XSCALE_AUXCTL_P		0x00000002 /* ECC protect page table access */ |
| 316 | /* Note: XSCale core 3 uses those for LLR DCcahce attributes */ |
| 317 | #define	XSCALE_AUXCTL_MD_WB_RA	0x00000000 /* mini-D$ wb, read-allocate */ |
| 318 | #define	XSCALE_AUXCTL_MD_WB_RWA	0x00000010 /* mini-D$ wb, read/write-allocate */ |
| 319 | #define	XSCALE_AUXCTL_MD_WT	0x00000020 /* mini-D$ wt, read-allocate */ |
| 320 | #define	XSCALE_AUXCTL_MD_MASK	0x00000030 |
| 321 | |
| 322 | /* Xscale Core 3 only */ |
| 323 | #define XSCALE_AUXCTL_LLR	0x00000400 /* Enable L2 for LLR Cache */ |
| 324 | |
| 325 | /* Marvell Extra Features Register (CP15 register 1, opcode2 0) */ |
| 326 | #define MV_DC_REPLACE_LOCK	0x80000000 /* Replace DCache Lock */ |
| 327 | #define MV_DC_STREAM_ENABLE	0x20000000 /* DCache Streaming Switch */ |
| 328 | #define MV_WA_ENABLE		0x10000000 /* Enable Write Allocate */ |
| 329 | #define MV_L2_PREFETCH_DISABLE	0x01000000 /* L2 Cache Prefetch Disable */ |
| 330 | #define MV_L2_INV_EVICT_ERR	0x00800000 /* L2 Invalidates Uncorrectable Error Line Eviction */ |
| 331 | #define MV_L2_ENABLE		0x00400000 /* L2 Cache enable */ |
| 332 | #define MV_IC_REPLACE_LOCK	0x00080000 /* Replace ICache Lock */ |
| 333 | #define MV_BGH_ENABLE		0x00040000 /* Branch Global History Register Enable */ |
| 334 | #define MV_BTB_DISABLE		0x00020000 /* Branch Target Buffer Disable */ |
| 335 | #define MV_L1_PARERR_ENABLE	0x00010000 /* L1 Parity Error Enable */ |
| 336 | |
| 337 | /* Cache type register definitions */ |
| 338 | #define	CPU_CT_ISIZE(x)		((x) & 0xfff)		/* I$ info */ |
| 339 | #define	CPU_CT_DSIZE(x)		(((x) >> 12) & 0xfff)	/* D$ info */ |
| 340 | #define	CPU_CT_S		(1U << 24)		/* split cache */ |
| 341 | #define	CPU_CT_CTYPE(x)		(((x) >> 25) & 0xf)	/* cache type */ |
| 342 | #define	CPU_CT_FORMAT(x)	((x) >> 29) |
| 343 | /* Cache type register definitions for ARM v7 */ |
| 344 | #define	CPU_CT_IMINLINE(x)	((x) & 0xf)		/* I$ min line size */ |
| 345 | #define	CPU_CT_DMINLINE(x)	(((x) >> 16) & 0xf)	/* D$ min line size */ |
| 346 | |
| 347 | #define	CPU_CT_CTYPE_WT		0	/* write-through */ |
| 348 | #define	CPU_CT_CTYPE_WB1	1	/* write-back, clean w/ read */ |
| 349 | #define	CPU_CT_CTYPE_WB2	2	/* w/b, clean w/ cp15,7 */ |
| 350 | #define	CPU_CT_CTYPE_WB6	6	/* w/b, cp15,7, lockdown fmt A */ |
| 351 | #define	CPU_CT_CTYPE_WB7	7	/* w/b, cp15,7, lockdown fmt B */ |
| 352 | |
| 353 | #define	CPU_CT_xSIZE_LEN(x)	((x) & 0x3)		/* line size */ |
| 354 | #define	CPU_CT_xSIZE_M		(1U << 2)		/* multiplier */ |
| 355 | #define	CPU_CT_xSIZE_ASSOC(x)	(((x) >> 3) & 0x7)	/* associativity */ |
| 356 | #define	CPU_CT_xSIZE_SIZE(x)	(((x) >> 6) & 0x7)	/* size */ |
| 357 | |
| 358 | #define	CPU_CT_ARMV7		0x4 |
| 359 | /* ARM v7 Cache type definitions */ |
| 360 | #define	CPUV7_CT_CTYPE_WT	(1U << 31) |
| 361 | #define	CPUV7_CT_CTYPE_WB	(1 << 30) |
| 362 | #define	CPUV7_CT_CTYPE_RA	(1 << 29) |
| 363 | #define	CPUV7_CT_CTYPE_WA	(1 << 28) |
| 364 | |
| 365 | #define	CPUV7_CT_xSIZE_LEN(x)	((x) & 0x7)		/* line size */ |
| 366 | #define	CPUV7_CT_xSIZE_ASSOC(x)	(((x) >> 3) & 0x3ff)	/* associativity */ |
| 367 | #define	CPUV7_CT_xSIZE_SET(x)	(((x) >> 13) & 0x7fff)	/* num sets */ |
| 368 | |
| 369 | #define	CPUV7_L2CTLR_NPROC_SHIFT	24 |
| 370 | #define	CPUV7_L2CTLR_NPROC(r)	((((r) >> CPUV7_L2CTLR_NPROC_SHIFT) & 3) + 1) |
| 371 | |
| 372 | #define	CPU_CLIDR_CTYPE(reg,x)	(((reg) >> ((x) * 3)) & 0x7) |
| 373 | #define	CPU_CLIDR_LOUIS(reg)	(((reg) >> 21) & 0x7) |
| 374 | #define	CPU_CLIDR_LOC(reg)	(((reg) >> 24) & 0x7) |
| 375 | #define	CPU_CLIDR_LOUU(reg)	(((reg) >> 27) & 0x7) |
| 376 | |
| 377 | #define	CACHE_ICACHE		1 |
| 378 | #define	CACHE_DCACHE		2 |
| 379 | #define	CACHE_SEP_CACHE		3 |
| 380 | #define	CACHE_UNI_CACHE		4 |
| 381 | |
| 382 | /* Fault status register definitions */ |
| 383 | #define FAULT_USER 0x10 |
| 384 | |
| 385 | #define FAULT_ALIGN		0x001	/* Alignment Fault */ |
| 386 | #define FAULT_DEBUG		0x002	/* Debug Event */ |
| 387 | #define FAULT_ACCESS_L1		0x003	/* Access Bit (L1) */ |
| 388 | #define FAULT_ICACHE		0x004	/* Instruction cache maintenance */ |
| 389 | #define FAULT_TRAN_L1		0x005	/* Translation Fault (L1) */ |
| 390 | #define FAULT_ACCESS_L2		0x006	/* Access Bit (L2) */ |
| 391 | #define FAULT_TRAN_L2		0x007	/* Translation Fault (L2) */ |
| 392 | #define FAULT_EA_PREC		0x008	/* External Abort */ |
| 393 | #define FAULT_DOMAIN_L1		0x009	/* Domain Fault (L1) */ |
| 394 | #define FAULT_DOMAIN_L2		0x00B	/* Domain Fault (L2) */ |
| 395 | #define FAULT_EA_TRAN_L1	0x00C	/* External Translation Abort (L1) */ |
| 396 | #define FAULT_PERM_L1		0x00D	/* Permission Fault (L1) */ |
| 397 | #define FAULT_EA_TRAN_L2	0x00E	/* External Translation Abort (L2) */ |
| 398 | #define FAULT_PERM_L2		0x00F	/* Permission Fault (L2) */ |
| 399 | #define FAULT_TLB_CONFLICT	0x010	/* TLB Conflict Abort */ |
| 400 | #define FAULT_EA_IMPREC		0x016	/* Asynchronous External Abort */ |
| 401 | #define FAULT_PE_IMPREC		0x018	/* Asynchronous Parity Error */ |
| 402 | #define FAULT_PARITY		0x019	/* Parity Error */ |
| 403 | #define FAULT_PE_TRAN_L1	0x01C	/* Parity Error on Translation (L1) */ |
| 404 | #define FAULT_PE_TRAN_L2	0x01E	/* Parity Error on Translation (L2) */ |
| 405 | |
| 406 | #define FSR_TO_FAULT(fsr)	(((fsr) & 0xF) | 			\ |
| 407 | 				 ((((fsr) & (1 << 10)) >> (10 - 4)))) |
| 408 | #define FSR_LPAE		(1 << 9) /* LPAE indicator */ |
| 409 | #define FSR_WNR			(1 << 11) /* Write-not-Read access */ |
| 410 | #define FSR_EXT			(1 << 12) /* DECERR/SLVERR for external*/ |
| 411 | #define FSR_CM			(1 << 13) /* Cache maintenance fault */ |
| 412 | |
| 413 | /* |
| 414 | * Address of the vector page, low and high versions. |
| 415 | */ |
| 416 | #ifndef __ASSEMBLER__ |
| 417 | #define	ARM_VECTORS_LOW		0x00000000U |
| 418 | #define	ARM_VECTORS_HIGH	0xffff0000U |
| 419 | #else |
| 420 | #define	ARM_VECTORS_LOW		0 |
| 421 | #define	ARM_VECTORS_HIGH	0xffff0000 |
| 422 | #endif |
| 423 | |
| 424 | /* |
| 425 | * ARM Instructions |
| 426 | * |
| 427 | * 3 3 2 2 2 |
| 428 | * 1 0 9 8 7 0 |
| 429 | * +-------+-------------------------------------------------------+ |
| 430 | * | cond | instruction dependant | |
| 431 | * |c c c c| | |
| 432 | * +-------+-------------------------------------------------------+ |
| 433 | */ |
| 434 | |
| 435 | #define INSN_SIZE		4		/* Always 4 bytes */ |
| 436 | #define INSN_COND_MASK		0xf0000000	/* Condition mask */ |
| 437 | #define INSN_COND_AL		0xe0000000	/* Always condition */ |
| 438 | |
| 439 | /* ARM register defines */ |
| 440 | #define	ARM_REG_SIZE		4 |
| 441 | #define	ARM_REG_NUM_PC		15 |
| 442 | #define	ARM_REG_NUM_LR		14 |
| 443 | #define	ARM_REG_NUM_SP		13 |
| 444 | |
| 445 | #define THUMB_INSN_SIZE		2		/* Some are 4 bytes. */ |
| 446 | |
| 447 | /* ARM Hypervisor Related Defines */ |
| 448 | #define	ARM_CP15_HDCR_HPMN	0x0000001f |
| 449 | |
| 450 | #endif /* !MACHINE_ARMREG_H */ |