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> */
5 * Register definitions based on mali_midg_regmap.h
6 * (C) COPYRIGHT 2010-2018 ARM Limited. All rights reserved.
8 #ifndef __PANFROST_REGS_H__
9 #define __PANFROST_REGS_H__
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 */
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 */
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 \
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 \
44 GPU_IRQ_MULTIPLE_FAULT)
46 #define GPU_CMD_SOFT_RESET 0x01
47 #define GPU_CMD_HARD_RESET 0x02
48 #define GPU_CMD_PERFCNT_CLEAR 0x03
49 #define GPU_CMD_PERFCNT_SAMPLE 0x04
50 #define GPU_CMD_CYCLE_COUNT_START 0x05
51 #define GPU_CMD_CYCLE_COUNT_STOP 0x06
52 #define GPU_CMD_CLEAN_CACHES 0x07
53 #define GPU_CMD_CLEAN_INV_CACHES 0x08
54 #define GPU_STATUS 0x34
55 #define GPU_STATUS_PRFCNT_ACTIVE BIT(2)
56 #define GPU_LATEST_FLUSH_ID 0x38
57 #define GPU_PWR_KEY 0x50 /* (WO) Power manager key register */
58 #define GPU_PWR_KEY_UNLOCK 0x2968A819
59 #define GPU_PWR_OVERRIDE0 0x54 /* (RW) Power manager override settings */
60 #define GPU_PWR_OVERRIDE1 0x58 /* (RW) Power manager override settings */
61 #define GPU_FAULT_STATUS 0x3C
62 #define GPU_FAULT_ADDRESS_LO 0x40
63 #define GPU_FAULT_ADDRESS_HI 0x44
65 #define GPU_PERFCNT_BASE_LO 0x60
66 #define GPU_PERFCNT_BASE_HI 0x64
67 #define GPU_PERFCNT_CFG 0x68
68 #define GPU_PERFCNT_CFG_MODE(x) (x)
69 #define GPU_PERFCNT_CFG_MODE_OFF 0
70 #define GPU_PERFCNT_CFG_MODE_MANUAL 1
71 #define GPU_PERFCNT_CFG_MODE_TILE 2
72 #define GPU_PERFCNT_CFG_AS(x) ((x) << 4)
73 #define GPU_PERFCNT_CFG_SETSEL(x) ((x) << 8)
74 #define GPU_PRFCNT_JM_EN 0x6c
75 #define GPU_PRFCNT_SHADER_EN 0x70
76 #define GPU_PRFCNT_TILER_EN 0x74
77 #define GPU_PRFCNT_MMU_L2_EN 0x7c
79 #define GPU_CYCLE_COUNT_LO 0x90
80 #define GPU_CYCLE_COUNT_HI 0x94
82 #define GPU_THREAD_MAX_THREADS 0x0A0 /* (RO) Maximum number of threads per core */
83 #define GPU_THREAD_MAX_WORKGROUP_SIZE 0x0A4 /* (RO) Maximum workgroup size */
84 #define GPU_THREAD_MAX_BARRIER_SIZE 0x0A8 /* (RO) Maximum threads waiting at a barrier */
85 #define GPU_THREAD_FEATURES 0x0AC /* (RO) Thread features */
86 #define GPU_THREAD_TLS_ALLOC 0x310 /* (RO) Number of threads per core that
87 * TLS must be allocated for */
89 #define GPU_TEXTURE_FEATURES(n) (0x0B0 + ((n) * 4))
90 #define GPU_JS_FEATURES(n) (0x0C0 + ((n) * 4))
91 #define GPU_AFBC_FEATURES (0x4C) /* (RO) AFBC support on Bifrost */
93 #define GPU_SHADER_PRESENT_LO 0x100 /* (RO) Shader core present bitmap, low word */
94 #define GPU_SHADER_PRESENT_HI 0x104 /* (RO) Shader core present bitmap, high word */
95 #define GPU_TILER_PRESENT_LO 0x110 /* (RO) Tiler core present bitmap, low word */
96 #define GPU_TILER_PRESENT_HI 0x114 /* (RO) Tiler core present bitmap, high word */
98 #define GPU_L2_PRESENT_LO 0x120 /* (RO) Level 2 cache present bitmap, low word */
99 #define GPU_L2_PRESENT_HI 0x124 /* (RO) Level 2 cache present bitmap, high word */
101 #define GPU_COHERENCY_FEATURES 0x300 /* (RO) Coherency features present */
102 #define COHERENCY_ACE_LITE BIT(0)
103 #define COHERENCY_ACE BIT(1)
105 #define GPU_STACK_PRESENT_LO 0xE00 /* (RO) Core stack present bitmap, low word */
106 #define GPU_STACK_PRESENT_HI 0xE04 /* (RO) Core stack present bitmap, high word */
108 #define SHADER_READY_LO 0x140 /* (RO) Shader core ready bitmap, low word */
109 #define SHADER_READY_HI 0x144 /* (RO) Shader core ready bitmap, high word */
111 #define TILER_READY_LO 0x150 /* (RO) Tiler core ready bitmap, low word */
112 #define TILER_READY_HI 0x154 /* (RO) Tiler core ready bitmap, high word */
114 #define L2_READY_LO 0x160 /* (RO) Level 2 cache ready bitmap, low word */
115 #define L2_READY_HI 0x164 /* (RO) Level 2 cache ready bitmap, high word */
117 #define STACK_READY_LO 0xE10 /* (RO) Core stack ready bitmap, low word */
118 #define STACK_READY_HI 0xE14 /* (RO) Core stack ready bitmap, high word */
121 #define SHADER_PWRON_LO 0x180 /* (WO) Shader core power on bitmap, low word */
122 #define SHADER_PWRON_HI 0x184 /* (WO) Shader core power on bitmap, high word */
124 #define TILER_PWRON_LO 0x190 /* (WO) Tiler core power on bitmap, low word */
125 #define TILER_PWRON_HI 0x194 /* (WO) Tiler core power on bitmap, high word */
127 #define L2_PWRON_LO 0x1A0 /* (WO) Level 2 cache power on bitmap, low word */
128 #define L2_PWRON_HI 0x1A4 /* (WO) Level 2 cache power on bitmap, high word */
130 #define STACK_PWRON_LO 0xE20 /* (RO) Core stack power on bitmap, low word */
131 #define STACK_PWRON_HI 0xE24 /* (RO) Core stack power on bitmap, high word */
134 #define SHADER_PWROFF_LO 0x1C0 /* (WO) Shader core power off bitmap, low word */
135 #define SHADER_PWROFF_HI 0x1C4 /* (WO) Shader core power off bitmap, high word */
137 #define TILER_PWROFF_LO 0x1D0 /* (WO) Tiler core power off bitmap, low word */
138 #define TILER_PWROFF_HI 0x1D4 /* (WO) Tiler core power off bitmap, high word */
140 #define L2_PWROFF_LO 0x1E0 /* (WO) Level 2 cache power off bitmap, low word */
141 #define L2_PWROFF_HI 0x1E4 /* (WO) Level 2 cache power off bitmap, high word */
143 #define STACK_PWROFF_LO 0xE30 /* (RO) Core stack power off bitmap, low word */
144 #define STACK_PWROFF_HI 0xE34 /* (RO) Core stack power off bitmap, high word */
147 #define SHADER_PWRTRANS_LO 0x200 /* (RO) Shader core power transition bitmap, low word */
148 #define SHADER_PWRTRANS_HI 0x204 /* (RO) Shader core power transition bitmap, high word */
150 #define TILER_PWRTRANS_LO 0x210 /* (RO) Tiler core power transition bitmap, low word */
151 #define TILER_PWRTRANS_HI 0x214 /* (RO) Tiler core power transition bitmap, high word */
153 #define L2_PWRTRANS_LO 0x220 /* (RO) Level 2 cache power transition bitmap, low word */
154 #define L2_PWRTRANS_HI 0x224 /* (RO) Level 2 cache power transition bitmap, high word */
156 #define STACK_PWRTRANS_LO 0xE40 /* (RO) Core stack power transition bitmap, low word */
157 #define STACK_PWRTRANS_HI 0xE44 /* (RO) Core stack power transition bitmap, high word */
160 #define SHADER_PWRACTIVE_LO 0x240 /* (RO) Shader core active bitmap, low word */
161 #define SHADER_PWRACTIVE_HI 0x244 /* (RO) Shader core active bitmap, high word */
163 #define TILER_PWRACTIVE_LO 0x250 /* (RO) Tiler core active bitmap, low word */
164 #define TILER_PWRACTIVE_HI 0x254 /* (RO) Tiler core active bitmap, high word */
166 #define L2_PWRACTIVE_LO 0x260 /* (RO) Level 2 cache active bitmap, low word */
167 #define L2_PWRACTIVE_HI 0x264 /* (RO) Level 2 cache active bitmap, high word */
169 #define GPU_JM_CONFIG 0xF00 /* (RW) Job Manager configuration register (Implementation specific register) */
170 #define GPU_SHADER_CONFIG 0xF04 /* (RW) Shader core configuration settings (Implementation specific register) */
171 #define GPU_TILER_CONFIG 0xF08 /* (RW) Tiler core configuration settings (Implementation specific register) */
172 #define GPU_L2_MMU_CONFIG 0xF0C /* (RW) Configuration of the L2 cache and MMU (Implementation specific register) */
174 /* L2_MMU_CONFIG register */
175 #define L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY_SHIFT 23
176 #define L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY (0x1 << L2_MMU_CONFIG_ALLOW_SNOOP_DISPARITY_SHIFT)
177 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT 24
178 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT)
179 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_OCTANT (0x1 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT)
180 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_QUARTER (0x2 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT)
181 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_HALF (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT)
183 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT 26
184 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT)
185 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_OCTANT (0x1 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT)
186 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_QUARTER (0x2 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT)
187 #define L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_HALF (0x3 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT)
189 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_READS_SHIFT 12
190 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_READS (0x7 << L2_MMU_CONFIG_LIMIT_EXTERNAL_READS_SHIFT)
192 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_WRITES_SHIFT 15
193 #define L2_MMU_CONFIG_3BIT_LIMIT_EXTERNAL_WRITES (0x7 << L2_MMU_CONFIG_LIMIT_EXTERNAL_WRITES_SHIFT)
195 /* SHADER_CONFIG register */
196 #define SC_ALT_COUNTERS BIT(3)
197 #define SC_OVERRIDE_FWD_PIXEL_KILL BIT(4)
198 #define SC_SDC_DISABLE_OQ_DISCARD BIT(6)
199 #define SC_LS_ALLOW_ATTR_TYPES BIT(16)
200 #define SC_LS_PAUSEBUFFER_DISABLE BIT(16)
201 #define SC_TLS_HASH_ENABLE BIT(17)
202 #define SC_LS_ATTR_CHECK_DISABLE BIT(18)
203 #define SC_ENABLE_TEXGRD_FLAGS BIT(25)
204 #define SC_VAR_ALGORITHM BIT(29)
205 /* End SHADER_CONFIG register */
207 /* TILER_CONFIG register */
208 #define TC_CLOCK_GATE_OVERRIDE BIT(0)
210 /* JM_CONFIG register */
211 #define JM_TIMESTAMP_OVERRIDE BIT(0)
212 #define JM_CLOCK_GATE_OVERRIDE BIT(1)
213 #define JM_JOB_THROTTLE_ENABLE BIT(2)
214 #define JM_JOB_THROTTLE_LIMIT_SHIFT 3
215 #define JM_MAX_JOB_THROTTLE_LIMIT 0x3F
216 #define JM_FORCE_COHERENCY_FEATURES_SHIFT 2
217 #define JM_IDVS_GROUP_SIZE_SHIFT 16
218 #define JM_DEFAULT_IDVS_GROUP_SIZE 0xF
219 #define JM_MAX_IDVS_GROUP_SIZE 0x3F
222 /* Job Control regs */
223 #define JOB_INT_RAWSTAT 0x1000
224 #define JOB_INT_CLEAR 0x1004
225 #define JOB_INT_MASK 0x1008
226 #define JOB_INT_STAT 0x100c
227 #define JOB_INT_JS_STATE 0x1010
228 #define JOB_INT_THROTTLE 0x1014
230 #define MK_JS_MASK(j) (0x10001 << (j))
231 #define JOB_INT_MASK_ERR(j) BIT((j) + 16)
232 #define JOB_INT_MASK_DONE(j) BIT(j)
234 #define JS_BASE 0x1800
235 #define JS_SLOT_STRIDE 0x80
237 #define JS_HEAD_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x00)
238 #define JS_HEAD_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x04)
239 #define JS_TAIL_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x08)
240 #define JS_TAIL_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x0c)
241 #define JS_AFFINITY_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x10)
242 #define JS_AFFINITY_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x14)
243 #define JS_CONFIG(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x18)
244 #define JS_XAFFINITY(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x1c)
245 #define JS_COMMAND(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x20)
246 #define JS_STATUS(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x24)
247 #define JS_HEAD_NEXT_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x40)
248 #define JS_HEAD_NEXT_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x44)
249 #define JS_AFFINITY_NEXT_LO(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x50)
250 #define JS_AFFINITY_NEXT_HI(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x54)
251 #define JS_CONFIG_NEXT(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x58)
252 #define JS_COMMAND_NEXT(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x60)
253 #define JS_FLUSH_ID_NEXT(n) (JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x70)
255 /* Possible values of JS_CONFIG and JS_CONFIG_NEXT registers */
256 #define JS_CONFIG_START_FLUSH_CLEAN BIT(8)
257 #define JS_CONFIG_START_FLUSH_CLEAN_INVALIDATE (3u << 8)
258 #define JS_CONFIG_START_MMU BIT(10)
259 #define JS_CONFIG_JOB_CHAIN_FLAG BIT(11)
260 #define JS_CONFIG_END_FLUSH_CLEAN BIT(12)
261 #define JS_CONFIG_END_FLUSH_CLEAN_INVALIDATE (3u << 12)
262 #define JS_CONFIG_ENABLE_FLUSH_REDUCTION BIT(14)
263 #define JS_CONFIG_DISABLE_DESCRIPTOR_WR_BK BIT(15)
264 #define JS_CONFIG_THREAD_PRI(n) ((n) << 16)
266 #define JS_COMMAND_NOP 0x00
267 #define JS_COMMAND_START 0x01
268 #define JS_COMMAND_SOFT_STOP 0x02 /* Gently stop processing a job chain */
269 #define JS_COMMAND_HARD_STOP 0x03 /* Rudely stop processing a job chain */
270 #define JS_COMMAND_SOFT_STOP_0 0x04 /* Execute SOFT_STOP if JOB_CHAIN_FLAG is 0 */
271 #define JS_COMMAND_HARD_STOP_0 0x05 /* Execute HARD_STOP if JOB_CHAIN_FLAG is 0 */
272 #define JS_COMMAND_SOFT_STOP_1 0x06 /* Execute SOFT_STOP if JOB_CHAIN_FLAG is 1 */
273 #define JS_COMMAND_HARD_STOP_1 0x07 /* Execute HARD_STOP if JOB_CHAIN_FLAG is 1 */
276 #define MMU_INT_RAWSTAT 0x2000
277 #define MMU_INT_CLEAR 0x2004
278 #define MMU_INT_MASK 0x2008
279 #define MMU_INT_STAT 0x200c
281 /* AS_COMMAND register commands */
282 #define AS_COMMAND_NOP 0x00 /* NOP Operation */
283 #define AS_COMMAND_UPDATE 0x01 /* Broadcasts the values in AS_TRANSTAB and ASn_MEMATTR to all MMUs */
284 #define AS_COMMAND_LOCK 0x02 /* Issue a lock region command to all MMUs */
285 #define AS_COMMAND_UNLOCK 0x03 /* Issue a flush region command to all MMUs */
286 #define AS_COMMAND_FLUSH 0x04 /* Flush all L2 caches then issue a flush region command to all MMUs
287 (deprecated - only for use with T60x) */
288 #define AS_COMMAND_FLUSH_PT 0x04 /* Flush all L2 caches then issue a flush region command to all MMUs */
289 #define AS_COMMAND_FLUSH_MEM 0x05 /* Wait for memory accesses to complete, flush all the L1s cache then
290 flush all L2 caches then issue a flush region command to all MMUs */
292 #define MMU_BASE 0x2400
293 #define MMU_AS_SHIFT 0x06
294 #define MMU_AS(as) (MMU_BASE + ((as) << MMU_AS_SHIFT))
296 #define AS_TRANSTAB_LO(as) (MMU_AS(as) + 0x00) /* (RW) Translation Table Base Address for address space n, low word */
297 #define AS_TRANSTAB_HI(as) (MMU_AS(as) + 0x04) /* (RW) Translation Table Base Address for address space n, high word */
298 #define AS_MEMATTR_LO(as) (MMU_AS(as) + 0x08) /* (RW) Memory attributes for address space n, low word. */
299 #define AS_MEMATTR_HI(as) (MMU_AS(as) + 0x0C) /* (RW) Memory attributes for address space n, high word. */
300 #define AS_LOCKADDR_LO(as) (MMU_AS(as) + 0x10) /* (RW) Lock region address for address space n, low word */
301 #define AS_LOCKADDR_HI(as) (MMU_AS(as) + 0x14) /* (RW) Lock region address for address space n, high word */
302 #define AS_COMMAND(as) (MMU_AS(as) + 0x18) /* (WO) MMU command register for address space n */
303 #define AS_FAULTSTATUS(as) (MMU_AS(as) + 0x1C) /* (RO) MMU fault status register for address space n */
304 #define AS_FAULTADDRESS_LO(as) (MMU_AS(as) + 0x20) /* (RO) Fault Address for address space n, low word */
305 #define AS_FAULTADDRESS_HI(as) (MMU_AS(as) + 0x24) /* (RO) Fault Address for address space n, high word */
306 #define AS_STATUS(as) (MMU_AS(as) + 0x28) /* (RO) Status flags for address space n */
307 /* Additional Bifrost AS registers */
308 #define AS_TRANSCFG_LO(as) (MMU_AS(as) + 0x30) /* (RW) Translation table configuration for address space n, low word */
309 #define AS_TRANSCFG_HI(as) (MMU_AS(as) + 0x34) /* (RW) Translation table configuration for address space n, high word */
310 #define AS_FAULTEXTRA_LO(as) (MMU_AS(as) + 0x38) /* (RO) Secondary fault address for address space n, low word */
311 #define AS_FAULTEXTRA_HI(as) (MMU_AS(as) + 0x3C) /* (RO) Secondary fault address for address space n, high word */
313 #define MMU_AS_STRIDE (1 << MMU_AS_SHIFT)
316 * Begin LPAE MMU TRANSTAB register values
318 #define AS_TRANSTAB_LPAE_ADDR_SPACE_MASK 0xfffffffffffff000
319 #define AS_TRANSTAB_LPAE_ADRMODE_IDENTITY 0x2
320 #define AS_TRANSTAB_LPAE_ADRMODE_TABLE 0x3
321 #define AS_TRANSTAB_LPAE_ADRMODE_MASK 0x3
322 #define AS_TRANSTAB_LPAE_READ_INNER BIT(2)
323 #define AS_TRANSTAB_LPAE_SHARE_OUTER BIT(4)
325 #define AS_STATUS_AS_ACTIVE 0x01
327 #define AS_FAULTSTATUS_ACCESS_TYPE_MASK (0x3 << 8)
328 #define AS_FAULTSTATUS_ACCESS_TYPE_ATOMIC (0x0 << 8)
329 #define AS_FAULTSTATUS_ACCESS_TYPE_EX (0x1 << 8)
330 #define AS_FAULTSTATUS_ACCESS_TYPE_READ (0x2 << 8)
331 #define AS_FAULTSTATUS_ACCESS_TYPE_WRITE (0x3 << 8)
333 #define AS_LOCK_REGION_MIN_SIZE (1ULL << 15)
335 #define gpu_write(dev, reg, data) writel(data, dev->iomem + reg)
336 #define gpu_read(dev, reg) readl(dev->iomem + reg)