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_AS_PRESENT 0x018 /* (RO) Address space slots present */ 20 #define GPU_JS_PRESENT 0x01C /* (RO) Job slots present */ 21 22 #define GPU_INT_RAWSTAT 0x20 23 #define GPU_INT_CLEAR 0x24 24 #define GPU_INT_MASK 0x28 25 #define GPU_INT_STAT 0x2c 26 #define GPU_IRQ_FAULT BIT(0) 27 #define GPU_IRQ_MULTIPLE_FAULT BIT(7) 28 #define GPU_IRQ_RESET_COMPLETED BIT(8) 29 #define GPU_IRQ_POWER_CHANGED BIT(9) 30 #define GPU_IRQ_POWER_CHANGED_ALL BIT(10) 31 #define GPU_IRQ_PERFCNT_SAMPLE_COMPLETED BIT(16) 32 #define GPU_IRQ_CLEAN_CACHES_COMPLETED BIT(17) 33 #define GPU_IRQ_MASK_ALL \ 34 (GPU_IRQ_FAULT |\ 35 GPU_IRQ_MULTIPLE_FAULT |\ 36 GPU_IRQ_RESET_COMPLETED |\ 37 GPU_IRQ_POWER_CHANGED |\ 38 GPU_IRQ_POWER_CHANGED_ALL |\ 39 GPU_IRQ_PERFCNT_SAMPLE_COMPLETED |\ 40 GPU_IRQ_CLEAN_CACHES_COMPLETED) 41 #define GPU_IRQ_MASK_ERROR \ 42 ( \ 43 GPU_IRQ_FAULT |\ 44 GPU_IRQ_MULTIPLE_FAULT) 45 #define GPU_CMD 0x30 46 #define GPU_CMD_SOFT_RESET 0x01 47 #define GPU_STATUS 0x34 48 #define GPU_LATEST_FLUSH_ID 0x38 49 #define GPU_FAULT_STATUS 0x3C 50 #define GPU_FAULT_ADDRESS_LO 0x40 51 #define GPU_FAULT_ADDRESS_HI 0x44 52 53 #define GPU_THREAD_MAX_THREADS 0x0A0 /* (RO) Maximum number of threads per core */ 54 #define GPU_THREAD_MAX_WORKGROUP_SIZE 0x0A4 /* (RO) Maximum workgroup size */ 55 #define GPU_THREAD_MAX_BARRIER_SIZE 0x0A8 /* (RO) Maximum threads waiting at a barrier */ 56 #define GPU_THREAD_FEATURES 0x0AC /* (RO) Thread features */ 57 #define GPU_THREAD_TLS_ALLOC 0x310 /* (RO) Number of threads per core that 58 * TLS must be allocated for */ 59 60 #define GPU_TEXTURE_FEATURES(n) (0x0B0 + ((n) * 4)) 61 #define GPU_JS_FEATURES(n) (0x0C0 + ((n) * 4)) 62 63 #define GPU_SHADER_PRESENT_LO 0x100 /* (RO) Shader core present bitmap, low word */ 64 #define GPU_SHADER_PRESENT_HI 0x104 /* (RO) Shader core present bitmap, high word */ 65 #define GPU_TILER_PRESENT_LO 0x110 /* (RO) Tiler core present bitmap, low word */ 66 #define GPU_TILER_PRESENT_HI 0x114 /* (RO) Tiler core present bitmap, high word */ 67 68 #define GPU_L2_PRESENT_LO 0x120 /* (RO) Level 2 cache present bitmap, low word */ 69 #define GPU_L2_PRESENT_HI 0x124 /* (RO) Level 2 cache present bitmap, high word */ 70 71 #define GPU_COHERENCY_FEATURES 0x300 /* (RO) Coherency features present */ 72 #define COHERENCY_ACE_LITE BIT(0) 73 #define COHERENCY_ACE BIT(1) 74 75 #define GPU_STACK_PRESENT_LO 0xE00 /* (RO) Core stack present bitmap, low word */ 76 #define GPU_STACK_PRESENT_HI 0xE04 /* (RO) Core stack present bitmap, high word */ 77 78 #define SHADER_READY_LO 0x140 /* (RO) Shader core ready bitmap, low word */ 79 #define SHADER_READY_HI 0x144 /* (RO) Shader core ready bitmap, high word */ 80 81 #define TILER_READY_LO 0x150 /* (RO) Tiler core ready bitmap, low word */ 82 #define TILER_READY_HI 0x154 /* (RO) Tiler core ready bitmap, high word */ 83 84 #define L2_READY_LO 0x160 /* (RO) Level 2 cache ready bitmap, low word */ 85 #define L2_READY_HI 0x164 /* (RO) Level 2 cache ready bitmap, high word */ 86 87 #define STACK_READY_LO 0xE10 /* (RO) Core stack ready bitmap, low word */ 88 #define STACK_READY_HI 0xE14 /* (RO) Core stack ready bitmap, high word */ 89 90 91 #define SHADER_PWRON_LO 0x180 /* (WO) Shader core power on bitmap, low word */ 92 #define SHADER_PWRON_HI 0x184 /* (WO) Shader core power on bitmap, high word */ 93 94 #define TILER_PWRON_LO 0x190 /* (WO) Tiler core power on bitmap, low word */ 95 #define TILER_PWRON_HI 0x194 /* (WO) Tiler core power on bitmap, high word */ 96 97 #define L2_PWRON_LO 0x1A0 /* (WO) Level 2 cache power on bitmap, low word */ 98 #define L2_PWRON_HI 0x1A4 /* (WO) Level 2 cache power on bitmap, high word */ 99 100 #define STACK_PWRON_LO 0xE20 /* (RO) Core stack power on bitmap, low word */ 101 #define STACK_PWRON_HI 0xE24 /* (RO) Core stack power on bitmap, high word */ 102 103 104 #define SHADER_PWROFF_LO 0x1C0 /* (WO) Shader core power off bitmap, low word */ 105 #define SHADER_PWROFF_HI 0x1C4 /* (WO) Shader core power off bitmap, high word */ 106 107 #define TILER_PWROFF_LO 0x1D0 /* (WO) Tiler core power off bitmap, low word */ 108 #define TILER_PWROFF_HI 0x1D4 /* (WO) Tiler core power off bitmap, high word */ 109 110 #define L2_PWROFF_LO 0x1E0 /* (WO) Level 2 cache power off bitmap, low word */ 111 #define L2_PWROFF_HI 0x1E4 /* (WO) Level 2 cache power off bitmap, high word */ 112 113 #define STACK_PWROFF_LO 0xE30 /* (RO) Core stack power off bitmap, low word */ 114 #define STACK_PWROFF_HI 0xE34 /* (RO) Core stack power off bitmap, high word */ 115 116 117 #define SHADER_PWRTRANS_LO 0x200 /* (RO) Shader core power transition bitmap, low word */ 118 #define SHADER_PWRTRANS_HI 0x204 /* (RO) Shader core power transition bitmap, high word */ 119 120 #define TILER_PWRTRANS_LO 0x210 /* (RO) Tiler core power transition bitmap, low word */ 121 #define TILER_PWRTRANS_HI 0x214 /* (RO) Tiler core power transition bitmap, high word */ 122 123 #define L2_PWRTRANS_LO 0x220 /* (RO) Level 2 cache power transition bitmap, low word */ 124 #define L2_PWRTRANS_HI 0x224 /* (RO) Level 2 cache power transition bitmap, high word */ 125 126 #define STACK_PWRTRANS_LO 0xE40 /* (RO) Core stack power transition bitmap, low word */ 127 #define STACK_PWRTRANS_HI 0xE44 /* (RO) Core stack power transition bitmap, high word */ 128 129 130 #define SHADER_PWRACTIVE_LO 0x240 /* (RO) Shader core active bitmap, low word */ 131 #define SHADER_PWRACTIVE_HI 0x244 /* (RO) Shader core active bitmap, high word */ 132 133 #define TILER_PWRACTIVE_LO 0x250 /* (RO) Tiler core active bitmap, low word */ 134 #define TILER_PWRACTIVE_HI 0x254 /* (RO) Tiler core active bitmap, high word */ 135 136 #define L2_PWRACTIVE_LO 0x260 /* (RO) Level 2 cache active bitmap, low word */ 137 #define L2_PWRACTIVE_HI 0x264 /* (RO) Level 2 cache active bitmap, high word */ 138 139 #define GPU_JM_CONFIG 0xF00 /* (RW) Job Manager configuration register (Implementation specific register) */ 140 #define GPU_SHADER_CONFIG 0xF04 /* (RW) Shader core configuration settings (Implementation specific register) */ 141 #define GPU_TILER_CONFIG 0xF08 /* (RW) Tiler core configuration settings (Implementation specific register) */ 142 #define GPU_L2_MMU_CONFIG 0xF0C /* (RW) Configuration of the L2 cache and MMU (Implementation specific register) */ 143 144 /* L2_MMU_CONFIG register */ 145 #define L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY_SHIFT 23 146 #define L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY (0x1 << L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY_SHIFT) 147 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT 24 148 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) 149 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_OCTANT (0x1 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) 150 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_QUARTER (0x2 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) 151 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_HALF (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) 152 153 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT 26 154 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) 155 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_OCTANT (0x1 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) 156 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_QUARTER (0x2 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) 157 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_HALF (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) 158 159 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_READS_SHIFT 12 160 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_READS (0x7 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) 161 162 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_WRITES_SHIFT 15 163 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_WRITES (0x7 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) 164 165 /* SHADER_CONFIG register */ 166 #define SC_ALT_COUNTERS BIT(3) 167 #define SC_OVERRIDE_FWD_PIXEL_KILL BIT(4) 168 #define SC_SDC_DISABLE_OQ_DISCARD BIT(6) 169 #define SC_LS_ALLOW_ATTR_TYPES BIT(16) 170 #define SC_LS_PAUSEBUFFER_DISABLE BIT(16) 171 #define SC_TLS_HASH_ENABLE BIT(17) 172 #define SC_LS_ATTR_CHECK_DISABLE BIT(18) 173 #define SC_ENABLE_TEXGRD_FLAGS BIT(25) 174 /* End SHADER_CONFIG register */ 175 176 /* TILER_CONFIG register */ 177 #define TC_CLOCK_GATE_OVERRIDE BIT(0) 178 179 /* JM_CONFIG register */ 180 #define JM_TIMESTAMP_OVERRIDE BIT(0) 181 #define JM_CLOCK_GATE_OVERRIDE BIT(1) 182 #define JM_JOB_THROTTLE_ENABLE BIT(2) 183 #define JM_JOB_THROTTLE_LIMIT_SHIFT 3 184 #define JM_MAX_JOB_THROTTLE_LIMIT 0x3F 185 #define JM_FORCE_COHERENCY_FEATURES_SHIFT 2 186 #define JM_IDVS_GROUP_SIZE_SHIFT 16 187 #define JM_MAX_IDVS_GROUP_SIZE 0x3F 188 189 190 /* Job Control regs */ 191 #define JOB_INT_RAWSTAT 0x1000 192 #define JOB_INT_CLEAR 0x1004 193 #define JOB_INT_MASK 0x1008 194 #define JOB_INT_STAT 0x100c 195 #define JOB_INT_JS_STATE 0x1010 196 #define JOB_INT_THROTTLE 0x1014 197 198 #define MK_JS_MASK(j) (0x10001 << (j)) 199 #define JOB_INT_MASK_ERR(j) BIT((j) + 16) 200 #define JOB_INT_MASK_DONE(j) BIT(j) 201 202 #define JS_BASE 0x1800 203 #define JS_HEAD_LO(n) (JS_BASE + ((n) * 0x80) + 0x00) 204 #define JS_HEAD_HI(n) (JS_BASE + ((n) * 0x80) + 0x04) 205 #define JS_TAIL_LO(n) (JS_BASE + ((n) * 0x80) + 0x08) 206 #define JS_TAIL_HI(n) (JS_BASE + ((n) * 0x80) + 0x0c) 207 #define JS_AFFINITY_LO(n) (JS_BASE + ((n) * 0x80) + 0x10) 208 #define JS_AFFINITY_HI(n) (JS_BASE + ((n) * 0x80) + 0x14) 209 #define JS_CONFIG(n) (JS_BASE + ((n) * 0x80) + 0x18) 210 #define JS_XAFFINITY(n) (JS_BASE + ((n) * 0x80) + 0x1c) 211 #define JS_COMMAND(n) (JS_BASE + ((n) * 0x80) + 0x20) 212 #define JS_STATUS(n) (JS_BASE + ((n) * 0x80) + 0x24) 213 #define JS_HEAD_NEXT_LO(n) (JS_BASE + ((n) * 0x80) + 0x40) 214 #define JS_HEAD_NEXT_HI(n) (JS_BASE + ((n) * 0x80) + 0x44) 215 #define JS_AFFINITY_NEXT_LO(n) (JS_BASE + ((n) * 0x80) + 0x50) 216 #define JS_AFFINITY_NEXT_HI(n) (JS_BASE + ((n) * 0x80) + 0x54) 217 #define JS_CONFIG_NEXT(n) (JS_BASE + ((n) * 0x80) + 0x58) 218 #define JS_COMMAND_NEXT(n) (JS_BASE + ((n) * 0x80) + 0x60) 219 #define JS_FLUSH_ID_NEXT(n) (JS_BASE + ((n) * 0x80) + 0x70) 220 221 /* Possible values of JS_CONFIG and JS_CONFIG_NEXT registers */ 222 #define JS_CONFIG_START_FLUSH_CLEAN BIT(8) 223 #define JS_CONFIG_START_FLUSH_CLEAN_INVALIDATE (3u << 8) 224 #define JS_CONFIG_START_MMU BIT(10) 225 #define JS_CONFIG_JOB_CHAIN_FLAG BIT(11) 226 #define JS_CONFIG_END_FLUSH_CLEAN BIT(12) 227 #define JS_CONFIG_END_FLUSH_CLEAN_INVALIDATE (3u << 12) 228 #define JS_CONFIG_ENABLE_FLUSH_REDUCTION BIT(14) 229 #define JS_CONFIG_DISABLE_DESCRIPTOR_WR_BK BIT(15) 230 #define JS_CONFIG_THREAD_PRI(n) ((n) << 16) 231 232 #define JS_COMMAND_NOP 0x00 233 #define JS_COMMAND_START 0x01 234 #define JS_COMMAND_SOFT_STOP 0x02 /* Gently stop processing a job chain */ 235 #define JS_COMMAND_HARD_STOP 0x03 /* Rudely stop processing a job chain */ 236 #define JS_COMMAND_SOFT_STOP_0 0x04 /* Execute SOFT_STOP if JOB_CHAIN_FLAG is 0 */ 237 #define JS_COMMAND_HARD_STOP_0 0x05 /* Execute HARD_STOP if JOB_CHAIN_FLAG is 0 */ 238 #define JS_COMMAND_SOFT_STOP_1 0x06 /* Execute SOFT_STOP if JOB_CHAIN_FLAG is 1 */ 239 #define JS_COMMAND_HARD_STOP_1 0x07 /* Execute HARD_STOP if JOB_CHAIN_FLAG is 1 */ 240 241 #define JS_STATUS_EVENT_ACTIVE 0x08 242 243 244 /* MMU regs */ 245 #define MMU_INT_RAWSTAT 0x2000 246 #define MMU_INT_CLEAR 0x2004 247 #define MMU_INT_MASK 0x2008 248 #define MMU_INT_STAT 0x200c 249 250 /* AS_COMMAND register commands */ 251 #define AS_COMMAND_NOP 0x00 /* NOP Operation */ 252 #define AS_COMMAND_UPDATE 0x01 /* Broadcasts the values in AS_TRANSTAB and ASn_MEMATTR to all MMUs */ 253 #define AS_COMMAND_LOCK 0x02 /* Issue a lock region command to all MMUs */ 254 #define AS_COMMAND_UNLOCK 0x03 /* Issue a flush region command to all MMUs */ 255 #define AS_COMMAND_FLUSH 0x04 /* Flush all L2 caches then issue a flush region command to all MMUs 256 (deprecated - only for use with T60x) */ 257 #define AS_COMMAND_FLUSH_PT 0x04 /* Flush all L2 caches then issue a flush region command to all MMUs */ 258 #define AS_COMMAND_FLUSH_MEM 0x05 /* Wait for memory accesses to complete, flush all the L1s cache then 259 flush all L2 caches then issue a flush region command to all MMUs */ 260 261 #define MMU_AS(as) (0x2400 + ((as) << 6)) 262 263 #define AS_TRANSTAB_LO(as) (MMU_AS(as) + 0x00) /* (RW) Translation Table Base Address for address space n, low word */ 264 #define AS_TRANSTAB_HI(as) (MMU_AS(as) + 0x04) /* (RW) Translation Table Base Address for address space n, high word */ 265 #define AS_MEMATTR_LO(as) (MMU_AS(as) + 0x08) /* (RW) Memory attributes for address space n, low word. */ 266 #define AS_MEMATTR_HI(as) (MMU_AS(as) + 0x0C) /* (RW) Memory attributes for address space n, high word. */ 267 #define AS_LOCKADDR_LO(as) (MMU_AS(as) + 0x10) /* (RW) Lock region address for address space n, low word */ 268 #define AS_LOCKADDR_HI(as) (MMU_AS(as) + 0x14) /* (RW) Lock region address for address space n, high word */ 269 #define AS_COMMAND(as) (MMU_AS(as) + 0x18) /* (WO) MMU command register for address space n */ 270 #define AS_FAULTSTATUS(as) (MMU_AS(as) + 0x1C) /* (RO) MMU fault status register for address space n */ 271 #define AS_FAULTADDRESS_LO(as) (MMU_AS(as) + 0x20) /* (RO) Fault Address for address space n, low word */ 272 #define AS_FAULTADDRESS_HI(as) (MMU_AS(as) + 0x24) /* (RO) Fault Address for address space n, high word */ 273 #define AS_STATUS(as) (MMU_AS(as) + 0x28) /* (RO) Status flags for address space n */ 274 /* Additional Bifrost AS regsiters */ 275 #define AS_TRANSCFG_LO(as) (MMU_AS(as) + 0x30) /* (RW) Translation table configuration for address space n, low word */ 276 #define AS_TRANSCFG_HI(as) (MMU_AS(as) + 0x34) /* (RW) Translation table configuration for address space n, high word */ 277 #define AS_FAULTEXTRA_LO(as) (MMU_AS(as) + 0x38) /* (RO) Secondary fault address for address space n, low word */ 278 #define AS_FAULTEXTRA_HI(as) (MMU_AS(as) + 0x3C) /* (RO) Secondary fault address for address space n, high word */ 279 280 /* 281 * Begin LPAE MMU TRANSTAB register values 282 */ 283 #define AS_TRANSTAB_LPAE_ADDR_SPACE_MASK 0xfffffffffffff000 284 #define AS_TRANSTAB_LPAE_ADRMODE_IDENTITY 0x2 285 #define AS_TRANSTAB_LPAE_ADRMODE_TABLE 0x3 286 #define AS_TRANSTAB_LPAE_ADRMODE_MASK 0x3 287 #define AS_TRANSTAB_LPAE_READ_INNER BIT(2) 288 #define AS_TRANSTAB_LPAE_SHARE_OUTER BIT(4) 289 290 #define AS_STATUS_AS_ACTIVE 0x01 291 292 #define AS_FAULTSTATUS_ACCESS_TYPE_MASK (0x3 << 8) 293 #define AS_FAULTSTATUS_ACCESS_TYPE_ATOMIC (0x0 << 8) 294 #define AS_FAULTSTATUS_ACCESS_TYPE_EX (0x1 << 8) 295 #define AS_FAULTSTATUS_ACCESS_TYPE_READ (0x2 << 8) 296 #define AS_FAULTSTATUS_ACCESS_TYPE_WRITE (0x3 << 8) 297 298 #endif 299