xref: /linux/drivers/gpu/drm/panthor/panthor_regs.h (revision f6e8dc9edf963dbc99085e54f6ced6da9daa6100)
1 /* SPDX-License-Identifier: GPL-2.0 or MIT */
2 /* Copyright 2018 Marty E. Plummer <hanetzer@startmail.com> */
3 /* Copyright 2019 Linaro, Ltd, Rob Herring <robh@kernel.org> */
4 /* Copyright 2023 Collabora ltd. */
5 /*
6  * Register definitions based on mali_kbase_gpu_regmap.h and
7  * mali_kbase_gpu_regmap_csf.h
8  * (C) COPYRIGHT 2010-2022 ARM Limited. All rights reserved.
9  */
10 #ifndef __PANTHOR_REGS_H__
11 #define __PANTHOR_REGS_H__
12 
13 #define GPU_ID						0x0
14 #define   GPU_ARCH_MAJOR(x)				((x) >> 28)
15 #define   GPU_ARCH_MINOR(x)				(((x) & GENMASK(27, 24)) >> 24)
16 #define   GPU_ARCH_REV(x)				(((x) & GENMASK(23, 20)) >> 20)
17 #define   GPU_PROD_MAJOR(x)				(((x) & GENMASK(19, 16)) >> 16)
18 #define   GPU_VER_MAJOR(x)				(((x) & GENMASK(15, 12)) >> 12)
19 #define   GPU_VER_MINOR(x)				(((x) & GENMASK(11, 4)) >> 4)
20 #define   GPU_VER_STATUS(x)				((x) & GENMASK(3, 0))
21 
22 #define GPU_L2_FEATURES					0x4
23 #define  GPU_L2_FEATURES_LINE_SIZE(x)			(1 << ((x) & GENMASK(7, 0)))
24 
25 #define GPU_CORE_FEATURES				0x8
26 
27 #define GPU_TILER_FEATURES				0xC
28 #define GPU_MEM_FEATURES				0x10
29 #define   GROUPS_L2_COHERENT				BIT(0)
30 
31 #define GPU_MMU_FEATURES				0x14
32 #define  GPU_MMU_FEATURES_VA_BITS(x)			((x) & GENMASK(7, 0))
33 #define  GPU_MMU_FEATURES_PA_BITS(x)			(((x) >> 8) & GENMASK(7, 0))
34 #define GPU_AS_PRESENT					0x18
35 #define GPU_CSF_ID					0x1C
36 
37 #define GPU_INT_RAWSTAT					0x20
38 #define GPU_INT_CLEAR					0x24
39 #define GPU_INT_MASK					0x28
40 #define GPU_INT_STAT					0x2c
41 #define   GPU_IRQ_FAULT					BIT(0)
42 #define   GPU_IRQ_PROTM_FAULT				BIT(1)
43 #define   GPU_IRQ_RESET_COMPLETED			BIT(8)
44 #define   GPU_IRQ_POWER_CHANGED				BIT(9)
45 #define   GPU_IRQ_POWER_CHANGED_ALL			BIT(10)
46 #define   GPU_IRQ_CLEAN_CACHES_COMPLETED		BIT(17)
47 #define   GPU_IRQ_DOORBELL_MIRROR			BIT(18)
48 #define   GPU_IRQ_MCU_STATUS_CHANGED			BIT(19)
49 #define GPU_CMD						0x30
50 #define   GPU_CMD_DEF(type, payload)			((type) | ((payload) << 8))
51 #define   GPU_SOFT_RESET				GPU_CMD_DEF(1, 1)
52 #define   GPU_HARD_RESET				GPU_CMD_DEF(1, 2)
53 #define   CACHE_CLEAN					BIT(0)
54 #define   CACHE_INV					BIT(1)
55 #define   GPU_FLUSH_CACHES(l2, lsc, oth)		\
56 	  GPU_CMD_DEF(4, ((l2) << 0) | ((lsc) << 4) | ((oth) << 8))
57 
58 #define GPU_STATUS					0x34
59 #define   GPU_STATUS_ACTIVE				BIT(0)
60 #define   GPU_STATUS_PWR_ACTIVE				BIT(1)
61 #define   GPU_STATUS_PAGE_FAULT				BIT(4)
62 #define   GPU_STATUS_PROTM_ACTIVE			BIT(7)
63 #define   GPU_STATUS_DBG_ENABLED			BIT(8)
64 
65 #define GPU_FAULT_STATUS				0x3C
66 #define GPU_FAULT_ADDR					0x40
67 #define GPU_L2_CONFIG					0x48
68 #define   GPU_L2_CONFIG_ASN_HASH_ENABLE			BIT(24)
69 
70 #define GPU_PWR_KEY					0x50
71 #define  GPU_PWR_KEY_UNLOCK				0x2968A819
72 #define GPU_PWR_OVERRIDE0				0x54
73 #define GPU_PWR_OVERRIDE1				0x58
74 
75 #define GPU_FEATURES					0x60
76 #define   GPU_FEATURES_RAY_INTERSECTION			BIT(2)
77 
78 #define GPU_TIMESTAMP_OFFSET				0x88
79 #define GPU_CYCLE_COUNT					0x90
80 #define GPU_TIMESTAMP					0x98
81 
82 #define GPU_THREAD_MAX_THREADS				0xA0
83 #define GPU_THREAD_MAX_WORKGROUP_SIZE			0xA4
84 #define GPU_THREAD_MAX_BARRIER_SIZE			0xA8
85 #define GPU_THREAD_FEATURES				0xAC
86 
87 #define GPU_TEXTURE_FEATURES(n)				(0xB0 + ((n) * 4))
88 
89 #define GPU_SHADER_PRESENT				0x100
90 #define GPU_TILER_PRESENT				0x110
91 #define GPU_L2_PRESENT					0x120
92 
93 #define SHADER_READY					0x140
94 #define TILER_READY					0x150
95 #define L2_READY					0x160
96 
97 #define SHADER_PWRON					0x180
98 #define TILER_PWRON					0x190
99 #define L2_PWRON					0x1A0
100 
101 #define SHADER_PWROFF					0x1C0
102 #define TILER_PWROFF					0x1D0
103 #define L2_PWROFF					0x1E0
104 
105 #define SHADER_PWRTRANS					0x200
106 #define TILER_PWRTRANS					0x210
107 #define L2_PWRTRANS					0x220
108 
109 #define SHADER_PWRACTIVE				0x240
110 #define TILER_PWRACTIVE					0x250
111 #define L2_PWRACTIVE					0x260
112 
113 #define GPU_REVID					0x280
114 
115 #define GPU_ASN_HASH(n)					(0x2C0 + ((n) * 4))
116 
117 #define GPU_COHERENCY_FEATURES				0x300
118 #define GPU_COHERENCY_PROT_BIT(name)			BIT(GPU_COHERENCY_  ## name)
119 
120 #define GPU_COHERENCY_PROTOCOL				0x304
121 #define   GPU_COHERENCY_ACE_LITE			0
122 #define   GPU_COHERENCY_ACE				1
123 #define   GPU_COHERENCY_NONE				31
124 
125 #define MCU_CONTROL					0x700
126 #define MCU_CONTROL_ENABLE				1
127 #define MCU_CONTROL_AUTO				2
128 #define MCU_CONTROL_DISABLE				0
129 
130 #define MCU_STATUS					0x704
131 #define MCU_STATUS_DISABLED				0
132 #define MCU_STATUS_ENABLED				1
133 #define MCU_STATUS_HALT					2
134 #define MCU_STATUS_FATAL				3
135 
136 /* Job Control regs */
137 #define JOB_INT_RAWSTAT					0x1000
138 #define JOB_INT_CLEAR					0x1004
139 #define JOB_INT_MASK					0x1008
140 #define JOB_INT_STAT					0x100c
141 #define   JOB_INT_GLOBAL_IF				BIT(31)
142 #define   JOB_INT_CSG_IF(x)				BIT(x)
143 
144 /* MMU regs */
145 #define MMU_INT_RAWSTAT					0x2000
146 #define MMU_INT_CLEAR					0x2004
147 #define MMU_INT_MASK					0x2008
148 #define MMU_INT_STAT					0x200c
149 
150 /* AS_COMMAND register commands */
151 
152 #define MMU_BASE					0x2400
153 #define MMU_AS_SHIFT					6
154 #define MMU_AS(as)					(MMU_BASE + ((as) << MMU_AS_SHIFT))
155 
156 #define AS_TRANSTAB(as)					(MMU_AS(as) + 0x0)
157 #define AS_MEMATTR(as)					(MMU_AS(as) + 0x8)
158 #define   AS_MEMATTR_AARCH64_INNER_ALLOC_IMPL		(2 << 2)
159 #define   AS_MEMATTR_AARCH64_INNER_ALLOC_EXPL(w, r)	((3 << 2) | \
160 							 ((w) ? BIT(0) : 0) | \
161 							 ((r) ? BIT(1) : 0))
162 #define   AS_MEMATTR_AARCH64_SH_MIDGARD_INNER		(0 << 4)
163 #define   AS_MEMATTR_AARCH64_SH_CPU_INNER		(1 << 4)
164 #define   AS_MEMATTR_AARCH64_SH_CPU_INNER_SHADER_COH	(2 << 4)
165 #define   AS_MEMATTR_AARCH64_SHARED			(0 << 6)
166 #define   AS_MEMATTR_AARCH64_INNER_OUTER_NC		(1 << 6)
167 #define   AS_MEMATTR_AARCH64_INNER_OUTER_WB		(2 << 6)
168 #define   AS_MEMATTR_AARCH64_FAULT			(3 << 6)
169 #define AS_LOCKADDR(as)					(MMU_AS(as) + 0x10)
170 #define AS_COMMAND(as)					(MMU_AS(as) + 0x18)
171 #define   AS_COMMAND_NOP				0
172 #define   AS_COMMAND_UPDATE				1
173 #define   AS_COMMAND_LOCK				2
174 #define   AS_COMMAND_UNLOCK				3
175 #define   AS_COMMAND_FLUSH_PT				4
176 #define   AS_COMMAND_FLUSH_MEM				5
177 #define   AS_LOCK_REGION_MIN_SIZE			(1ULL << 15)
178 #define AS_FAULTSTATUS(as)				(MMU_AS(as) + 0x1C)
179 #define  AS_FAULTSTATUS_ACCESS_TYPE_MASK		(0x3 << 8)
180 #define  AS_FAULTSTATUS_ACCESS_TYPE_ATOMIC		(0x0 << 8)
181 #define  AS_FAULTSTATUS_ACCESS_TYPE_EX			(0x1 << 8)
182 #define  AS_FAULTSTATUS_ACCESS_TYPE_READ		(0x2 << 8)
183 #define  AS_FAULTSTATUS_ACCESS_TYPE_WRITE		(0x3 << 8)
184 #define AS_FAULTADDRESS(as)				(MMU_AS(as) + 0x20)
185 #define AS_STATUS(as)					(MMU_AS(as) + 0x28)
186 #define   AS_STATUS_AS_ACTIVE				BIT(0)
187 #define AS_TRANSCFG(as)					(MMU_AS(as) + 0x30)
188 #define   AS_TRANSCFG_ADRMODE_UNMAPPED			(1 << 0)
189 #define   AS_TRANSCFG_ADRMODE_IDENTITY			(2 << 0)
190 #define   AS_TRANSCFG_ADRMODE_AARCH64_4K		(6 << 0)
191 #define   AS_TRANSCFG_ADRMODE_AARCH64_64K		(8 << 0)
192 #define   AS_TRANSCFG_INA_BITS(x)			((x) << 6)
193 #define   AS_TRANSCFG_OUTA_BITS(x)			((x) << 14)
194 #define   AS_TRANSCFG_SL_CONCAT				BIT(22)
195 #define   AS_TRANSCFG_PTW_MEMATTR_NC			(1 << 24)
196 #define   AS_TRANSCFG_PTW_MEMATTR_WB			(2 << 24)
197 #define   AS_TRANSCFG_PTW_SH_NS				(0 << 28)
198 #define   AS_TRANSCFG_PTW_SH_OS				(2 << 28)
199 #define   AS_TRANSCFG_PTW_SH_IS				(3 << 28)
200 #define   AS_TRANSCFG_PTW_RA				BIT(30)
201 #define   AS_TRANSCFG_DISABLE_HIER_AP			BIT(33)
202 #define   AS_TRANSCFG_DISABLE_AF_FAULT			BIT(34)
203 #define   AS_TRANSCFG_WXN				BIT(35)
204 #define   AS_TRANSCFG_XREADABLE				BIT(36)
205 #define AS_FAULTEXTRA(as)				(MMU_AS(as) + 0x38)
206 
207 #define CSF_GPU_LATEST_FLUSH_ID				0x10000
208 
209 #define CSF_DOORBELL(i)					(0x80000 + ((i) * 0x10000))
210 #define CSF_GLB_DOORBELL_ID				0
211 
212 #endif
213