1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright 2018 Marty E. Plummer <hanetzer@startmail.com> */ 3 /* Copyright 2019 Linaro, Ltd, Rob Herring <robh@kernel.org> */ 4 /* 5 * Register definitions based on mali_midg_regmap.h 6 * (C) COPYRIGHT 2010-2018 ARM Limited. All rights reserved. 7 */ 8 #ifndef __PANFROST_REGS_H__ 9 #define __PANFROST_REGS_H__ 10 11 #define GPU_ID 0x00 12 #define GPU_L2_FEATURES 0x004 /* (RO) Level 2 cache features */ 13 #define GPU_CORE_FEATURES 0x008 /* (RO) Shader Core Features */ 14 #define GPU_TILER_FEATURES 0x00C /* (RO) Tiler Features */ 15 #define GPU_MEM_FEATURES 0x010 /* (RO) Memory system features */ 16 #define GROUPS_L2_COHERENT BIT(0) /* Cores groups are l2 coherent */ 17 18 #define GPU_MMU_FEATURES 0x014 /* (RO) MMU features */ 19 #define GPU_MMU_FEATURES_VA_BITS(x) ((x) & GENMASK(7, 0)) 20 #define GPU_MMU_FEATURES_PA_BITS(x) (((x) >> 8) & GENMASK(7, 0)) 21 #define GPU_AS_PRESENT 0x018 /* (RO) Address space slots present */ 22 #define GPU_JS_PRESENT 0x01C /* (RO) Job slots present */ 23 24 #define GPU_INT_RAWSTAT 0x20 25 #define GPU_INT_CLEAR 0x24 26 #define GPU_INT_MASK 0x28 27 #define GPU_INT_STAT 0x2c 28 #define GPU_IRQ_FAULT BIT(0) 29 #define GPU_IRQ_MULTIPLE_FAULT BIT(7) 30 #define GPU_IRQ_RESET_COMPLETED BIT(8) 31 #define GPU_IRQ_POWER_CHANGED BIT(9) 32 #define GPU_IRQ_POWER_CHANGED_ALL BIT(10) 33 #define GPU_IRQ_PERFCNT_SAMPLE_COMPLETED BIT(16) 34 #define GPU_IRQ_CLEAN_CACHES_COMPLETED BIT(17) 35 #define GPU_IRQ_MASK_ALL \ 36 (GPU_IRQ_FAULT |\ 37 GPU_IRQ_MULTIPLE_FAULT |\ 38 GPU_IRQ_RESET_COMPLETED |\ 39 GPU_IRQ_POWER_CHANGED |\ 40 GPU_IRQ_POWER_CHANGED_ALL |\ 41 GPU_IRQ_PERFCNT_SAMPLE_COMPLETED |\ 42 GPU_IRQ_CLEAN_CACHES_COMPLETED) 43 #define GPU_IRQ_MASK_ERROR \ 44 ( \ 45 GPU_IRQ_FAULT |\ 46 GPU_IRQ_MULTIPLE_FAULT) 47 #define GPU_CMD 0x30 48 #define GPU_CMD_SOFT_RESET 0x01 49 #define GPU_CMD_HARD_RESET 0x02 50 #define GPU_CMD_PERFCNT_CLEAR 0x03 51 #define GPU_CMD_PERFCNT_SAMPLE 0x04 52 #define GPU_CMD_CYCLE_COUNT_START 0x05 53 #define GPU_CMD_CYCLE_COUNT_STOP 0x06 54 #define GPU_CMD_CLEAN_CACHES 0x07 55 #define GPU_CMD_CLEAN_INV_CACHES 0x08 56 #define GPU_STATUS 0x34 57 #define GPU_STATUS_PRFCNT_ACTIVE BIT(2) 58 #define GPU_LATEST_FLUSH_ID 0x38 59 #define GPU_PWR_KEY 0x50 /* (WO) Power manager key register */ 60 #define GPU_PWR_KEY_UNLOCK 0x2968A819 61 #define GPU_PWR_OVERRIDE0 0x54 /* (RW) Power manager override settings */ 62 #define GPU_PWR_OVERRIDE1 0x58 /* (RW) Power manager override settings */ 63 #define GPU_FAULT_STATUS 0x3C 64 #define GPU_FAULT_ADDRESS_LO 0x40 65 #define GPU_FAULT_ADDRESS_HI 0x44 66 67 #define GPU_PERFCNT_BASE_LO 0x60 68 #define GPU_PERFCNT_BASE_HI 0x64 69 #define GPU_PERFCNT_CFG 0x68 70 #define GPU_PERFCNT_CFG_MODE(x) (x) 71 #define GPU_PERFCNT_CFG_MODE_OFF 0 72 #define GPU_PERFCNT_CFG_MODE_MANUAL 1 73 #define GPU_PERFCNT_CFG_MODE_TILE 2 74 #define GPU_PERFCNT_CFG_AS(x) ((x) << 4) 75 #define GPU_PERFCNT_CFG_SETSEL(x) ((x) << 8) 76 #define GPU_PRFCNT_JM_EN 0x6c 77 #define GPU_PRFCNT_SHADER_EN 0x70 78 #define GPU_PRFCNT_TILER_EN 0x74 79 #define GPU_PRFCNT_MMU_L2_EN 0x7c 80 81 #define GPU_CYCLE_COUNT_LO 0x90 82 #define GPU_CYCLE_COUNT_HI 0x94 83 #define GPU_TIMESTAMP_LO 0x98 84 #define GPU_TIMESTAMP_HI 0x9C 85 86 #define GPU_THREAD_MAX_THREADS 0x0A0 /* (RO) Maximum number of threads per core */ 87 #define GPU_THREAD_MAX_WORKGROUP_SIZE 0x0A4 /* (RO) Maximum workgroup size */ 88 #define GPU_THREAD_MAX_BARRIER_SIZE 0x0A8 /* (RO) Maximum threads waiting at a barrier */ 89 #define GPU_THREAD_FEATURES 0x0AC /* (RO) Thread features */ 90 #define GPU_THREAD_TLS_ALLOC 0x310 /* (RO) Number of threads per core that 91 * TLS must be allocated for */ 92 93 #define GPU_TEXTURE_FEATURES(n) (0x0B0 + ((n) * 4)) 94 #define GPU_JS_FEATURES(n) (0x0C0 + ((n) * 4)) 95 #define GPU_AFBC_FEATURES (0x4C) /* (RO) AFBC support on Bifrost */ 96 97 #define GPU_SHADER_PRESENT_LO 0x100 /* (RO) Shader core present bitmap, low word */ 98 #define GPU_SHADER_PRESENT_HI 0x104 /* (RO) Shader core present bitmap, high word */ 99 #define GPU_TILER_PRESENT_LO 0x110 /* (RO) Tiler core present bitmap, low word */ 100 #define GPU_TILER_PRESENT_HI 0x114 /* (RO) Tiler core present bitmap, high word */ 101 102 #define GPU_L2_PRESENT_LO 0x120 /* (RO) Level 2 cache present bitmap, low word */ 103 #define GPU_L2_PRESENT_HI 0x124 /* (RO) Level 2 cache present bitmap, high word */ 104 105 /* GPU_COHERENCY_FEATURES is a bitmask of BIT(COHERENCY_xxx) values encoding the 106 * set of supported coherency protocols. GPU_COHERENCY_ENABLE is passed a 107 * COHERENCY_xxx value. 108 */ 109 #define GPU_COHERENCY_FEATURES 0x300 /* (RO) Coherency features present */ 110 #define GPU_COHERENCY_ENABLE 0x304 /* (RW) Coherency protocol selection */ 111 #define COHERENCY_ACE_LITE 0 112 #define COHERENCY_ACE 1 113 #define COHERENCY_NONE 31 114 115 #define GPU_STACK_PRESENT_LO 0xE00 /* (RO) Core stack present bitmap, low word */ 116 #define GPU_STACK_PRESENT_HI 0xE04 /* (RO) Core stack present bitmap, high word */ 117 118 #define SHADER_READY_LO 0x140 /* (RO) Shader core ready bitmap, low word */ 119 #define SHADER_READY_HI 0x144 /* (RO) Shader core ready bitmap, high word */ 120 121 #define TILER_READY_LO 0x150 /* (RO) Tiler core ready bitmap, low word */ 122 #define TILER_READY_HI 0x154 /* (RO) Tiler core ready bitmap, high word */ 123 124 #define L2_READY_LO 0x160 /* (RO) Level 2 cache ready bitmap, low word */ 125 #define L2_READY_HI 0x164 /* (RO) Level 2 cache ready bitmap, high word */ 126 127 #define STACK_READY_LO 0xE10 /* (RO) Core stack ready bitmap, low word */ 128 #define STACK_READY_HI 0xE14 /* (RO) Core stack ready bitmap, high word */ 129 130 131 #define SHADER_PWRON_LO 0x180 /* (WO) Shader core power on bitmap, low word */ 132 #define SHADER_PWRON_HI 0x184 /* (WO) Shader core power on bitmap, high word */ 133 134 #define TILER_PWRON_LO 0x190 /* (WO) Tiler core power on bitmap, low word */ 135 #define TILER_PWRON_HI 0x194 /* (WO) Tiler core power on bitmap, high word */ 136 137 #define L2_PWRON_LO 0x1A0 /* (WO) Level 2 cache power on bitmap, low word */ 138 #define L2_PWRON_HI 0x1A4 /* (WO) Level 2 cache power on bitmap, high word */ 139 140 #define STACK_PWRON_LO 0xE20 /* (RO) Core stack power on bitmap, low word */ 141 #define STACK_PWRON_HI 0xE24 /* (RO) Core stack power on bitmap, high word */ 142 143 144 #define SHADER_PWROFF_LO 0x1C0 /* (WO) Shader core power off bitmap, low word */ 145 #define SHADER_PWROFF_HI 0x1C4 /* (WO) Shader core power off bitmap, high word */ 146 147 #define TILER_PWROFF_LO 0x1D0 /* (WO) Tiler core power off bitmap, low word */ 148 #define TILER_PWROFF_HI 0x1D4 /* (WO) Tiler core power off bitmap, high word */ 149 150 #define L2_PWROFF_LO 0x1E0 /* (WO) Level 2 cache power off bitmap, low word */ 151 #define L2_PWROFF_HI 0x1E4 /* (WO) Level 2 cache power off bitmap, high word */ 152 153 #define STACK_PWROFF_LO 0xE30 /* (RO) Core stack power off bitmap, low word */ 154 #define STACK_PWROFF_HI 0xE34 /* (RO) Core stack power off bitmap, high word */ 155 156 157 #define SHADER_PWRTRANS_LO 0x200 /* (RO) Shader core power transition bitmap, low word */ 158 #define SHADER_PWRTRANS_HI 0x204 /* (RO) Shader core power transition bitmap, high word */ 159 160 #define TILER_PWRTRANS_LO 0x210 /* (RO) Tiler core power transition bitmap, low word */ 161 #define TILER_PWRTRANS_HI 0x214 /* (RO) Tiler core power transition bitmap, high word */ 162 163 #define L2_PWRTRANS_LO 0x220 /* (RO) Level 2 cache power transition bitmap, low word */ 164 #define L2_PWRTRANS_HI 0x224 /* (RO) Level 2 cache power transition bitmap, high word */ 165 166 #define STACK_PWRTRANS_LO 0xE40 /* (RO) Core stack power transition bitmap, low word */ 167 #define STACK_PWRTRANS_HI 0xE44 /* (RO) Core stack power transition bitmap, high word */ 168 169 170 #define SHADER_PWRACTIVE_LO 0x240 /* (RO) Shader core active bitmap, low word */ 171 #define SHADER_PWRACTIVE_HI 0x244 /* (RO) Shader core active bitmap, high word */ 172 173 #define TILER_PWRACTIVE_LO 0x250 /* (RO) Tiler core active bitmap, low word */ 174 #define TILER_PWRACTIVE_HI 0x254 /* (RO) Tiler core active bitmap, high word */ 175 176 #define L2_PWRACTIVE_LO 0x260 /* (RO) Level 2 cache active bitmap, low word */ 177 #define L2_PWRACTIVE_HI 0x264 /* (RO) Level 2 cache active bitmap, high word */ 178 179 #define GPU_JM_CONFIG 0xF00 /* (RW) Job Manager configuration register (Implementation specific register) */ 180 #define GPU_SHADER_CONFIG 0xF04 /* (RW) Shader core configuration settings (Implementation specific register) */ 181 #define GPU_TILER_CONFIG 0xF08 /* (RW) Tiler core configuration settings (Implementation specific register) */ 182 #define GPU_L2_MMU_CONFIG 0xF0C /* (RW) Configuration of the L2 cache and MMU (Implementation specific register) */ 183 184 /* L2_MMU_CONFIG register */ 185 #define L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY_SHIFT 23 186 #define L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY (0x1 << L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY_SHIFT) 187 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT 24 188 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) 189 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_OCTANT (0x1 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) 190 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_QUARTER (0x2 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) 191 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_HALF (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) 192 193 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT 26 194 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) 195 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_OCTANT (0x1 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) 196 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_QUARTER (0x2 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) 197 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_HALF (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) 198 199 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_READS_SHIFT 12 200 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_READS (0x7 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) 201 202 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_WRITES_SHIFT 15 203 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_WRITES (0x7 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) 204 205 /* SHADER_CONFIG register */ 206 #define SC_ALT_COUNTERS BIT(3) 207 #define SC_OVERRIDE_FWD_PIXEL_KILL BIT(4) 208 #define SC_SDC_DISABLE_OQ_DISCARD BIT(6) 209 #define SC_LS_ALLOW_ATTR_TYPES BIT(16) 210 #define SC_LS_PAUSEBUFFER_DISABLE BIT(16) 211 #define SC_TLS_HASH_ENABLE BIT(17) 212 #define SC_LS_ATTR_CHECK_DISABLE BIT(18) 213 #define SC_ENABLE_TEXGRD_FLAGS BIT(25) 214 #define SC_VAR_ALGORITHM BIT(29) 215 /* End SHADER_CONFIG register */ 216 217 /* TILER_CONFIG register */ 218 #define TC_CLOCK_GATE_OVERRIDE BIT(0) 219 220 /* JM_CONFIG register */ 221 #define JM_TIMESTAMP_OVERRIDE BIT(0) 222 #define JM_CLOCK_GATE_OVERRIDE BIT(1) 223 #define JM_JOB_THROTTLE_ENABLE BIT(2) 224 #define JM_JOB_THROTTLE_LIMIT_SHIFT 3 225 #define JM_MAX_JOB_THROTTLE_LIMIT 0x3F 226 #define JM_FORCE_COHERENCY_FEATURES_SHIFT 2 227 #define JM_IDVS_GROUP_SIZE_SHIFT 16 228 #define JM_DEFAULT_IDVS_GROUP_SIZE 0xF 229 #define JM_MAX_IDVS_GROUP_SIZE 0x3F 230 231 232 /* Job Control regs */ 233 #define JOB_INT_RAWSTAT 0x1000 234 #define JOB_INT_CLEAR 0x1004 235 #define JOB_INT_MASK 0x1008 236 #define JOB_INT_STAT 0x100c 237 #define JOB_INT_JS_STATE 0x1010 238 #define JOB_INT_THROTTLE 0x1014 239 240 #define MK_JS_MASK(j) (0x10001 << (j)) 241 #define JOB_INT_MASK_ERR(j) BIT((j) + 16) 242 #define JOB_INT_MASK_DONE(j) BIT(j) 243 244 #define JS_BASE 0x1800 245 #define JS_SLOT_STRIDE 0x80 246 247 #define JS_HEAD_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x00) 248 #define JS_HEAD_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x04) 249 #define JS_TAIL_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x08) 250 #define JS_TAIL_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x0c) 251 #define JS_AFFINITY_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x10) 252 #define JS_AFFINITY_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x14) 253 #define JS_CONFIG(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x18) 254 #define JS_XAFFINITY(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x1c) 255 #define JS_COMMAND(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x20) 256 #define JS_STATUS(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x24) 257 #define JS_HEAD_NEXT_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x40) 258 #define JS_HEAD_NEXT_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x44) 259 #define JS_AFFINITY_NEXT_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x50) 260 #define JS_AFFINITY_NEXT_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x54) 261 #define JS_CONFIG_NEXT(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x58) 262 #define JS_COMMAND_NEXT(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x60) 263 #define JS_FLUSH_ID_NEXT(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x70) 264 265 /* Possible values of JS_CONFIG and JS_CONFIG_NEXT registers */ 266 #define JS_CONFIG_START_FLUSH_CLEAN BIT(8) 267 #define JS_CONFIG_START_FLUSH_CLEAN_INVALIDATE (3u << 8) 268 #define JS_CONFIG_START_MMU BIT(10) 269 #define JS_CONFIG_JOB_CHAIN_FLAG BIT(11) 270 #define JS_CONFIG_END_FLUSH_CLEAN BIT(12) 271 #define JS_CONFIG_END_FLUSH_CLEAN_INVALIDATE (3u << 12) 272 #define JS_CONFIG_ENABLE_FLUSH_REDUCTION BIT(14) 273 #define JS_CONFIG_DISABLE_DESCRIPTOR_WR_BK BIT(15) 274 #define JS_CONFIG_THREAD_PRI(n) ((n) << 16) 275 276 #define JS_COMMAND_NOP 0x00 277 #define JS_COMMAND_START 0x01 278 #define JS_COMMAND_SOFT_STOP 0x02 /* Gently stop processing a job chain */ 279 #define JS_COMMAND_HARD_STOP 0x03 /* Rudely stop processing a job chain */ 280 #define JS_COMMAND_SOFT_STOP_0 0x04 /* Execute SOFT_STOP if JOB_CHAIN_FLAG is 0 */ 281 #define JS_COMMAND_HARD_STOP_0 0x05 /* Execute HARD_STOP if JOB_CHAIN_FLAG is 0 */ 282 #define JS_COMMAND_SOFT_STOP_1 0x06 /* Execute SOFT_STOP if JOB_CHAIN_FLAG is 1 */ 283 #define JS_COMMAND_HARD_STOP_1 0x07 /* Execute HARD_STOP if JOB_CHAIN_FLAG is 1 */ 284 285 /* MMU regs */ 286 #define MMU_INT_RAWSTAT 0x2000 287 #define MMU_INT_CLEAR 0x2004 288 #define MMU_INT_MASK 0x2008 289 #define MMU_INT_STAT 0x200c 290 291 /* AS_COMMAND register commands */ 292 #define AS_COMMAND_NOP 0x00 /* NOP Operation */ 293 #define AS_COMMAND_UPDATE 0x01 /* Broadcasts the values in AS_TRANSTAB and ASn_MEMATTR to all MMUs */ 294 #define AS_COMMAND_LOCK 0x02 /* Issue a lock region command to all MMUs */ 295 #define AS_COMMAND_UNLOCK 0x03 /* Issue a flush region command to all MMUs */ 296 #define AS_COMMAND_FLUSH 0x04 /* Flush all L2 caches then issue a flush region command to all MMUs 297 (deprecated - only for use with T60x) */ 298 #define AS_COMMAND_FLUSH_PT 0x04 /* Flush all L2 caches then issue a flush region command to all MMUs */ 299 #define AS_COMMAND_FLUSH_MEM 0x05 /* Wait for memory accesses to complete, flush all the L1s cache then 300 flush all L2 caches then issue a flush region command to all MMUs */ 301 302 #define MMU_BASE 0x2400 303 #define MMU_AS_SHIFT 0x06 304 #define MMU_AS(as) (MMU_BASE + ((as) << MMU_AS_SHIFT)) 305 306 #define AS_TRANSTAB_LO(as) (MMU_AS(as) + 0x00) /* (RW) Translation Table Base Address for address space n, low word */ 307 #define AS_TRANSTAB_HI(as) (MMU_AS(as) + 0x04) /* (RW) Translation Table Base Address for address space n, high word */ 308 #define AS_MEMATTR_LO(as) (MMU_AS(as) + 0x08) /* (RW) Memory attributes for address space n, low word. */ 309 #define AS_MEMATTR_HI(as) (MMU_AS(as) + 0x0C) /* (RW) Memory attributes for address space n, high word. */ 310 #define AS_MEMATTR_AARCH64_INNER_ALLOC_IMPL (2 << 2) 311 #define AS_MEMATTR_AARCH64_INNER_ALLOC_EXPL(w, r) ((3 << 2) | \ 312 ((w) ? BIT(0) : 0) | \ 313 ((r) ? BIT(1) : 0)) 314 #define AS_MEMATTR_AARCH64_SH_MIDGARD_INNER (0 << 4) 315 #define AS_MEMATTR_AARCH64_SH_CPU_INNER (1 << 4) 316 #define AS_MEMATTR_AARCH64_SH_CPU_INNER_SHADER_COH (2 << 4) 317 #define AS_MEMATTR_AARCH64_SHARED (0 << 6) 318 #define AS_MEMATTR_AARCH64_INNER_OUTER_NC (1 << 6) 319 #define AS_MEMATTR_AARCH64_INNER_OUTER_WB (2 << 6) 320 #define AS_MEMATTR_AARCH64_FAULT (3 << 6) 321 #define AS_LOCKADDR_LO(as) (MMU_AS(as) + 0x10) /* (RW) Lock region address for address space n, low word */ 322 #define AS_LOCKADDR_HI(as) (MMU_AS(as) + 0x14) /* (RW) Lock region address for address space n, high word */ 323 #define AS_COMMAND(as) (MMU_AS(as) + 0x18) /* (WO) MMU command register for address space n */ 324 #define AS_FAULTSTATUS(as) (MMU_AS(as) + 0x1C) /* (RO) MMU fault status register for address space n */ 325 #define AS_FAULTADDRESS_LO(as) (MMU_AS(as) + 0x20) /* (RO) Fault Address for address space n, low word */ 326 #define AS_FAULTADDRESS_HI(as) (MMU_AS(as) + 0x24) /* (RO) Fault Address for address space n, high word */ 327 #define AS_STATUS(as) (MMU_AS(as) + 0x28) /* (RO) Status flags for address space n */ 328 /* Additional Bifrost AS registers */ 329 #define AS_TRANSCFG_LO(as) (MMU_AS(as) + 0x30) /* (RW) Translation table configuration for address space n, low word */ 330 #define AS_TRANSCFG_HI(as) (MMU_AS(as) + 0x34) /* (RW) Translation table configuration for address space n, high word */ 331 #define AS_TRANSCFG_ADRMODE_LEGACY (0 << 0) 332 #define AS_TRANSCFG_ADRMODE_UNMAPPED (1 << 0) 333 #define AS_TRANSCFG_ADRMODE_IDENTITY (2 << 0) 334 #define AS_TRANSCFG_ADRMODE_AARCH64_4K (6 << 0) 335 #define AS_TRANSCFG_ADRMODE_AARCH64_64K (8 << 0) 336 #define AS_TRANSCFG_INA_BITS(x) ((x) << 6) 337 #define AS_TRANSCFG_OUTA_BITS(x) ((x) << 14) 338 #define AS_TRANSCFG_SL_CONCAT BIT(22) 339 #define AS_TRANSCFG_PTW_MEMATTR_NC (1 << 24) 340 #define AS_TRANSCFG_PTW_MEMATTR_WB (2 << 24) 341 #define AS_TRANSCFG_PTW_SH_NS (0 << 28) 342 #define AS_TRANSCFG_PTW_SH_OS (2 << 28) 343 #define AS_TRANSCFG_PTW_SH_IS (3 << 28) 344 #define AS_TRANSCFG_PTW_RA BIT(30) 345 #define AS_TRANSCFG_DISABLE_HIER_AP BIT(33) 346 #define AS_TRANSCFG_DISABLE_AF_FAULT BIT(34) 347 #define AS_TRANSCFG_WXN BIT(35) 348 #define AS_TRANSCFG_XREADABLE BIT(36) 349 #define AS_FAULTEXTRA_LO(as) (MMU_AS(as) + 0x38) /* (RO) Secondary fault address for address space n, low word */ 350 #define AS_FAULTEXTRA_HI(as) (MMU_AS(as) + 0x3C) /* (RO) Secondary fault address for address space n, high word */ 351 352 #define MMU_AS_STRIDE (1 << MMU_AS_SHIFT) 353 354 /* 355 * Begin LPAE MMU TRANSTAB register values 356 */ 357 #define AS_TRANSTAB_LPAE_ADDR_SPACE_MASK 0xfffffffffffff000 358 #define AS_TRANSTAB_LPAE_ADRMODE_IDENTITY 0x2 359 #define AS_TRANSTAB_LPAE_ADRMODE_TABLE 0x3 360 #define AS_TRANSTAB_LPAE_ADRMODE_MASK 0x3 361 #define AS_TRANSTAB_LPAE_READ_INNER BIT(2) 362 #define AS_TRANSTAB_LPAE_SHARE_OUTER BIT(4) 363 364 /* 365 * Begin AARCH64_4K MMU TRANSTAB register values 366 */ 367 #define AS_TRANSTAB_AARCH64_4K_ADDR_MASK 0xfffffffffffffff0 368 369 #define AS_STATUS_AS_ACTIVE 0x01 370 371 #define AS_FAULTSTATUS_ACCESS_TYPE_MASK (0x3 << 8) 372 #define AS_FAULTSTATUS_ACCESS_TYPE_ATOMIC (0x0 << 8) 373 #define AS_FAULTSTATUS_ACCESS_TYPE_EX (0x1 << 8) 374 #define AS_FAULTSTATUS_ACCESS_TYPE_READ (0x2 << 8) 375 #define AS_FAULTSTATUS_ACCESS_TYPE_WRITE (0x3 << 8) 376 377 #define AS_LOCK_REGION_MIN_SIZE (1ULL << 15) 378 379 #define gpu_write(dev, reg, data) writel(data, dev->iomem + reg) 380 #define gpu_read(dev, reg) readl(dev->iomem + reg) 381 382 #endif 383