/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright 2018 Marty E. Plummer <hanetzer@startmail.com> */ /* Copyright 2019 Linaro, Ltd, Rob Herring <robh@kernel.org> */ /* * Register definitions based on mali_midg_regmap.h * (C) COPYRIGHT 2010-2018 ARM Limited. All rights reserved. */ #ifndef __PANFROST_REGS_H__ #define __PANFROST_REGS_H__ #define GPU_ID 0x00 #define GPU_L2_FEATURES 0x004 /* (RO) Level 2 cache features */ #define GPU_CORE_FEATURES 0x008 /* (RO) Shader Core Features */ #define GPU_TILER_FEATURES 0x00C /* (RO) Tiler Features */ #define GPU_MEM_FEATURES 0x010 /* (RO) Memory system features */ #define GROUPS_L2_COHERENT BIT(0) /* Cores groups are l2 coherent */ #define GPU_MMU_FEATURES 0x014 /* (RO) MMU features */ #define GPU_AS_PRESENT 0x018 /* (RO) Address space slots present */ #define GPU_JS_PRESENT 0x01C /* (RO) Job slots present */ #define GPU_INT_RAWSTAT 0x20 #define GPU_INT_CLEAR 0x24 #define GPU_INT_MASK 0x28 #define GPU_INT_STAT 0x2c #define GPU_IRQ_FAULT BIT(0) #define GPU_IRQ_MULTIPLE_FAULT BIT(7) #define GPU_IRQ_RESET_COMPLETED BIT(8) #define GPU_IRQ_POWER_CHANGED BIT(9) #define GPU_IRQ_POWER_CHANGED_ALL BIT(10) #define GPU_IRQ_PERFCNT_SAMPLE_COMPLETED BIT(16) #define GPU_IRQ_CLEAN_CACHES_COMPLETED BIT(17) #define GPU_IRQ_MASK_ALL \ (GPU_IRQ_FAULT |\ GPU_IRQ_MULTIPLE_FAULT |\ GPU_IRQ_RESET_COMPLETED |\ GPU_IRQ_POWER_CHANGED |\ GPU_IRQ_POWER_CHANGED_ALL |\ GPU_IRQ_PERFCNT_SAMPLE_COMPLETED |\ GPU_IRQ_CLEAN_CACHES_COMPLETED) #define GPU_IRQ_MASK_ERROR \ ( \ GPU_IRQ_FAULT |\ GPU_IRQ_MULTIPLE_FAULT) #define GPU_CMD 0x30 #define GPU_CMD_SOFT_RESET 0x01 #define GPU_CMD_PERFCNT_CLEAR 0x03 #define GPU_CMD_PERFCNT_SAMPLE 0x04 #define GPU_CMD_CLEAN_CACHES 0x07 #define GPU_CMD_CLEAN_INV_CACHES 0x08 #define GPU_STATUS 0x34 #define GPU_STATUS_PRFCNT_ACTIVE BIT(2) #define GPU_LATEST_FLUSH_ID 0x38 #define GPU_PWR_KEY 0x50 /* (WO) Power manager key register */ #define GPU_PWR_KEY_UNLOCK 0x2968A819 #define GPU_PWR_OVERRIDE0 0x54 /* (RW) Power manager override settings */ #define GPU_PWR_OVERRIDE1 0x58 /* (RW) Power manager override settings */ #define GPU_FAULT_STATUS 0x3C #define GPU_FAULT_ADDRESS_LO 0x40 #define GPU_FAULT_ADDRESS_HI 0x44 #define GPU_PERFCNT_BASE_LO 0x60 #define GPU_PERFCNT_BASE_HI 0x64 #define GPU_PERFCNT_CFG 0x68 #define GPU_PERFCNT_CFG_MODE(x) (x) #define GPU_PERFCNT_CFG_MODE_OFF 0 #define GPU_PERFCNT_CFG_MODE_MANUAL 1 #define GPU_PERFCNT_CFG_MODE_TILE 2 #define GPU_PERFCNT_CFG_AS(x) ((x) << 4) #define GPU_PERFCNT_CFG_SETSEL(x) ((x) << 8) #define GPU_PRFCNT_JM_EN 0x6c #define GPU_PRFCNT_SHADER_EN 0x70 #define GPU_PRFCNT_TILER_EN 0x74 #define GPU_PRFCNT_MMU_L2_EN 0x7c #define GPU_THREAD_MAX_THREADS 0x0A0 /* (RO) Maximum number of threads per core */ #define GPU_THREAD_MAX_WORKGROUP_SIZE 0x0A4 /* (RO) Maximum workgroup size */ #define GPU_THREAD_MAX_BARRIER_SIZE 0x0A8 /* (RO) Maximum threads waiting at a barrier */ #define GPU_THREAD_FEATURES 0x0AC /* (RO) Thread features */ #define GPU_THREAD_TLS_ALLOC 0x310 /* (RO) Number of threads per core that * TLS must be allocated for */ #define GPU_TEXTURE_FEATURES(n) (0x0B0 + ((n) * 4)) #define GPU_JS_FEATURES(n) (0x0C0 + ((n) * 4)) #define GPU_SHADER_PRESENT_LO 0x100 /* (RO) Shader core present bitmap, low word */ #define GPU_SHADER_PRESENT_HI 0x104 /* (RO) Shader core present bitmap, high word */ #define GPU_TILER_PRESENT_LO 0x110 /* (RO) Tiler core present bitmap, low word */ #define GPU_TILER_PRESENT_HI 0x114 /* (RO) Tiler core present bitmap, high word */ #define GPU_L2_PRESENT_LO 0x120 /* (RO) Level 2 cache present bitmap, low word */ #define GPU_L2_PRESENT_HI 0x124 /* (RO) Level 2 cache present bitmap, high word */ #define GPU_COHERENCY_FEATURES 0x300 /* (RO) Coherency features present */ #define COHERENCY_ACE_LITE BIT(0) #define COHERENCY_ACE BIT(1) #define GPU_STACK_PRESENT_LO 0xE00 /* (RO) Core stack present bitmap, low word */ #define GPU_STACK_PRESENT_HI 0xE04 /* (RO) Core stack present bitmap, high word */ #define SHADER_READY_LO 0x140 /* (RO) Shader core ready bitmap, low word */ #define SHADER_READY_HI 0x144 /* (RO) Shader core ready bitmap, high word */ #define TILER_READY_LO 0x150 /* (RO) Tiler core ready bitmap, low word */ #define TILER_READY_HI 0x154 /* (RO) Tiler core ready bitmap, high word */ #define L2_READY_LO 0x160 /* (RO) Level 2 cache ready bitmap, low word */ #define L2_READY_HI 0x164 /* (RO) Level 2 cache ready bitmap, high word */ #define STACK_READY_LO 0xE10 /* (RO) Core stack ready bitmap, low word */ #define STACK_READY_HI 0xE14 /* (RO) Core stack ready bitmap, high word */ #define SHADER_PWRON_LO 0x180 /* (WO) Shader core power on bitmap, low word */ #define SHADER_PWRON_HI 0x184 /* (WO) Shader core power on bitmap, high word */ #define TILER_PWRON_LO 0x190 /* (WO) Tiler core power on bitmap, low word */ #define TILER_PWRON_HI 0x194 /* (WO) Tiler core power on bitmap, high word */ #define L2_PWRON_LO 0x1A0 /* (WO) Level 2 cache power on bitmap, low word */ #define L2_PWRON_HI 0x1A4 /* (WO) Level 2 cache power on bitmap, high word */ #define STACK_PWRON_LO 0xE20 /* (RO) Core stack power on bitmap, low word */ #define STACK_PWRON_HI 0xE24 /* (RO) Core stack power on bitmap, high word */ #define SHADER_PWROFF_LO 0x1C0 /* (WO) Shader core power off bitmap, low word */ #define SHADER_PWROFF_HI 0x1C4 /* (WO) Shader core power off bitmap, high word */ #define TILER_PWROFF_LO 0x1D0 /* (WO) Tiler core power off bitmap, low word */ #define TILER_PWROFF_HI 0x1D4 /* (WO) Tiler core power off bitmap, high word */ #define L2_PWROFF_LO 0x1E0 /* (WO) Level 2 cache power off bitmap, low word */ #define L2_PWROFF_HI 0x1E4 /* (WO) Level 2 cache power off bitmap, high word */ #define STACK_PWROFF_LO 0xE30 /* (RO) Core stack power off bitmap, low word */ #define STACK_PWROFF_HI 0xE34 /* (RO) Core stack power off bitmap, high word */ #define SHADER_PWRTRANS_LO 0x200 /* (RO) Shader core power transition bitmap, low word */ #define SHADER_PWRTRANS_HI 0x204 /* (RO) Shader core power transition bitmap, high word */ #define TILER_PWRTRANS_LO 0x210 /* (RO) Tiler core power transition bitmap, low word */ #define TILER_PWRTRANS_HI 0x214 /* (RO) Tiler core power transition bitmap, high word */ #define L2_PWRTRANS_LO 0x220 /* (RO) Level 2 cache power transition bitmap, low word */ #define L2_PWRTRANS_HI 0x224 /* (RO) Level 2 cache power transition bitmap, high word */ #define STACK_PWRTRANS_LO 0xE40 /* (RO) Core stack power transition bitmap, low word */ #define STACK_PWRTRANS_HI 0xE44 /* (RO) Core stack power transition bitmap, high word */ #define SHADER_PWRACTIVE_LO 0x240 /* (RO) Shader core active bitmap, low word */ #define SHADER_PWRACTIVE_HI 0x244 /* (RO) Shader core active bitmap, high word */ #define TILER_PWRACTIVE_LO 0x250 /* (RO) Tiler core active bitmap, low word */ #define TILER_PWRACTIVE_HI 0x254 /* (RO) Tiler core active bitmap, high word */ #define L2_PWRACTIVE_LO 0x260 /* (RO) Level 2 cache active bitmap, low word */ #define L2_PWRACTIVE_HI 0x264 /* (RO) Level 2 cache active bitmap, high word */ #define GPU_JM_CONFIG 0xF00 /* (RW) Job Manager configuration register (Implementation specific register) */ #define GPU_SHADER_CONFIG 0xF04 /* (RW) Shader core configuration settings (Implementation specific register) */ #define GPU_TILER_CONFIG 0xF08 /* (RW) Tiler core configuration settings (Implementation specific register) */ #define GPU_L2_MMU_CONFIG 0xF0C /* (RW) Configuration of the L2 cache and MMU (Implementation specific register) */ /* L2_MMU_CONFIG register */ #define L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY_SHIFT 23 #define L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY (0x1 << L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY_SHIFT) #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT 24 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_OCTANT (0x1 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_QUARTER (0x2 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_HALF (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT 26 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_OCTANT (0x1 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_QUARTER (0x2 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_HALF (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_READS_SHIFT 12 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_READS (0x7 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT) #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_WRITES_SHIFT 15 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_WRITES (0x7 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT) /* SHADER_CONFIG register */ #define SC_ALT_COUNTERS BIT(3) #define SC_OVERRIDE_FWD_PIXEL_KILL BIT(4) #define SC_SDC_DISABLE_OQ_DISCARD BIT(6) #define SC_LS_ALLOW_ATTR_TYPES BIT(16) #define SC_LS_PAUSEBUFFER_DISABLE BIT(16) #define SC_TLS_HASH_ENABLE BIT(17) #define SC_LS_ATTR_CHECK_DISABLE BIT(18) #define SC_ENABLE_TEXGRD_FLAGS BIT(25) /* End SHADER_CONFIG register */ /* TILER_CONFIG register */ #define TC_CLOCK_GATE_OVERRIDE BIT(0) /* JM_CONFIG register */ #define JM_TIMESTAMP_OVERRIDE BIT(0) #define JM_CLOCK_GATE_OVERRIDE BIT(1) #define JM_JOB_THROTTLE_ENABLE BIT(2) #define JM_JOB_THROTTLE_LIMIT_SHIFT 3 #define JM_MAX_JOB_THROTTLE_LIMIT 0x3F #define JM_FORCE_COHERENCY_FEATURES_SHIFT 2 #define JM_IDVS_GROUP_SIZE_SHIFT 16 #define JM_MAX_IDVS_GROUP_SIZE 0x3F /* Job Control regs */ #define JOB_INT_RAWSTAT 0x1000 #define JOB_INT_CLEAR 0x1004 #define JOB_INT_MASK 0x1008 #define JOB_INT_STAT 0x100c #define JOB_INT_JS_STATE 0x1010 #define JOB_INT_THROTTLE 0x1014 #define MK_JS_MASK(j) (0x10001 << (j)) #define JOB_INT_MASK_ERR(j) BIT((j) + 16) #define JOB_INT_MASK_DONE(j) BIT(j) #define JS_BASE 0x1800 #define JS_HEAD_LO(n) (JS_BASE + ((n) * 0x80) + 0x00) #define JS_HEAD_HI(n) (JS_BASE + ((n) * 0x80) + 0x04) #define JS_TAIL_LO(n) (JS_BASE + ((n) * 0x80) + 0x08) #define JS_TAIL_HI(n) (JS_BASE + ((n) * 0x80) + 0x0c) #define JS_AFFINITY_LO(n) (JS_BASE + ((n) * 0x80) + 0x10) #define JS_AFFINITY_HI(n) (JS_BASE + ((n) * 0x80) + 0x14) #define JS_CONFIG(n) (JS_BASE + ((n) * 0x80) + 0x18) #define JS_XAFFINITY(n) (JS_BASE + ((n) * 0x80) + 0x1c) #define JS_COMMAND(n) (JS_BASE + ((n) * 0x80) + 0x20) #define JS_STATUS(n) (JS_BASE + ((n) * 0x80) + 0x24) #define JS_HEAD_NEXT_LO(n) (JS_BASE + ((n) * 0x80) + 0x40) #define JS_HEAD_NEXT_HI(n) (JS_BASE + ((n) * 0x80) + 0x44) #define JS_AFFINITY_NEXT_LO(n) (JS_BASE + ((n) * 0x80) + 0x50) #define JS_AFFINITY_NEXT_HI(n) (JS_BASE + ((n) * 0x80) + 0x54) #define JS_CONFIG_NEXT(n) (JS_BASE + ((n) * 0x80) + 0x58) #define JS_COMMAND_NEXT(n) (JS_BASE + ((n) * 0x80) + 0x60) #define JS_FLUSH_ID_NEXT(n) (JS_BASE + ((n) * 0x80) + 0x70) /* Possible values of JS_CONFIG and JS_CONFIG_NEXT registers */ #define JS_CONFIG_START_FLUSH_CLEAN BIT(8) #define JS_CONFIG_START_FLUSH_CLEAN_INVALIDATE (3u << 8) #define JS_CONFIG_START_MMU BIT(10) #define JS_CONFIG_JOB_CHAIN_FLAG BIT(11) #define JS_CONFIG_END_FLUSH_CLEAN BIT(12) #define JS_CONFIG_END_FLUSH_CLEAN_INVALIDATE (3u << 12) #define JS_CONFIG_ENABLE_FLUSH_REDUCTION BIT(14) #define JS_CONFIG_DISABLE_DESCRIPTOR_WR_BK BIT(15) #define JS_CONFIG_THREAD_PRI(n) ((n) << 16) #define JS_COMMAND_NOP 0x00 #define JS_COMMAND_START 0x01 #define JS_COMMAND_SOFT_STOP 0x02 /* Gently stop processing a job chain */ #define JS_COMMAND_HARD_STOP 0x03 /* Rudely stop processing a job chain */ #define JS_COMMAND_SOFT_STOP_0 0x04 /* Execute SOFT_STOP if JOB_CHAIN_FLAG is 0 */ #define JS_COMMAND_HARD_STOP_0 0x05 /* Execute HARD_STOP if JOB_CHAIN_FLAG is 0 */ #define JS_COMMAND_SOFT_STOP_1 0x06 /* Execute SOFT_STOP if JOB_CHAIN_FLAG is 1 */ #define JS_COMMAND_HARD_STOP_1 0x07 /* Execute HARD_STOP if JOB_CHAIN_FLAG is 1 */ #define JS_STATUS_EVENT_ACTIVE 0x08 /* MMU regs */ #define MMU_INT_RAWSTAT 0x2000 #define MMU_INT_CLEAR 0x2004 #define MMU_INT_MASK 0x2008 #define MMU_INT_STAT 0x200c /* AS_COMMAND register commands */ #define AS_COMMAND_NOP 0x00 /* NOP Operation */ #define AS_COMMAND_UPDATE 0x01 /* Broadcasts the values in AS_TRANSTAB and ASn_MEMATTR to all MMUs */ #define AS_COMMAND_LOCK 0x02 /* Issue a lock region command to all MMUs */ #define AS_COMMAND_UNLOCK 0x03 /* Issue a flush region command to all MMUs */ #define AS_COMMAND_FLUSH 0x04 /* Flush all L2 caches then issue a flush region command to all MMUs (deprecated - only for use with T60x) */ #define AS_COMMAND_FLUSH_PT 0x04 /* Flush all L2 caches then issue a flush region command to all MMUs */ #define AS_COMMAND_FLUSH_MEM 0x05 /* Wait for memory accesses to complete, flush all the L1s cache then flush all L2 caches then issue a flush region command to all MMUs */ #define MMU_AS(as) (0x2400 + ((as) << 6)) #define AS_TRANSTAB_LO(as) (MMU_AS(as) + 0x00) /* (RW) Translation Table Base Address for address space n, low word */ #define AS_TRANSTAB_HI(as) (MMU_AS(as) + 0x04) /* (RW) Translation Table Base Address for address space n, high word */ #define AS_MEMATTR_LO(as) (MMU_AS(as) + 0x08) /* (RW) Memory attributes for address space n, low word. */ #define AS_MEMATTR_HI(as) (MMU_AS(as) + 0x0C) /* (RW) Memory attributes for address space n, high word. */ #define AS_LOCKADDR_LO(as) (MMU_AS(as) + 0x10) /* (RW) Lock region address for address space n, low word */ #define AS_LOCKADDR_HI(as) (MMU_AS(as) + 0x14) /* (RW) Lock region address for address space n, high word */ #define AS_COMMAND(as) (MMU_AS(as) + 0x18) /* (WO) MMU command register for address space n */ #define AS_FAULTSTATUS(as) (MMU_AS(as) + 0x1C) /* (RO) MMU fault status register for address space n */ #define AS_FAULTADDRESS_LO(as) (MMU_AS(as) + 0x20) /* (RO) Fault Address for address space n, low word */ #define AS_FAULTADDRESS_HI(as) (MMU_AS(as) + 0x24) /* (RO) Fault Address for address space n, high word */ #define AS_STATUS(as) (MMU_AS(as) + 0x28) /* (RO) Status flags for address space n */ /* Additional Bifrost AS regsiters */ #define AS_TRANSCFG_LO(as) (MMU_AS(as) + 0x30) /* (RW) Translation table configuration for address space n, low word */ #define AS_TRANSCFG_HI(as) (MMU_AS(as) + 0x34) /* (RW) Translation table configuration for address space n, high word */ #define AS_FAULTEXTRA_LO(as) (MMU_AS(as) + 0x38) /* (RO) Secondary fault address for address space n, low word */ #define AS_FAULTEXTRA_HI(as) (MMU_AS(as) + 0x3C) /* (RO) Secondary fault address for address space n, high word */ /* * Begin LPAE MMU TRANSTAB register values */ #define AS_TRANSTAB_LPAE_ADDR_SPACE_MASK 0xfffffffffffff000 #define AS_TRANSTAB_LPAE_ADRMODE_IDENTITY 0x2 #define AS_TRANSTAB_LPAE_ADRMODE_TABLE 0x3 #define AS_TRANSTAB_LPAE_ADRMODE_MASK 0x3 #define AS_TRANSTAB_LPAE_READ_INNER BIT(2) #define AS_TRANSTAB_LPAE_SHARE_OUTER BIT(4) #define AS_STATUS_AS_ACTIVE 0x01 #define AS_FAULTSTATUS_ACCESS_TYPE_MASK (0x3 << 8) #define AS_FAULTSTATUS_ACCESS_TYPE_ATOMIC (0x0 << 8) #define AS_FAULTSTATUS_ACCESS_TYPE_EX (0x1 << 8) #define AS_FAULTSTATUS_ACCESS_TYPE_READ (0x2 << 8) #define AS_FAULTSTATUS_ACCESS_TYPE_WRITE (0x3 << 8) #define gpu_write(dev, reg, data) writel(data, dev->iomem + reg) #define gpu_read(dev, reg) readl(dev->iomem + reg) #endif