xref: /linux/drivers/gpu/drm/panthor/panthor_regs.h (revision db5d28c0bfe566908719bec8e25443aabecbb802)
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_LO				0x40
67 #define GPU_FAULT_ADDR_HI				0x44
68 
69 #define GPU_PWR_KEY					0x50
70 #define  GPU_PWR_KEY_UNLOCK				0x2968A819
71 #define GPU_PWR_OVERRIDE0				0x54
72 #define GPU_PWR_OVERRIDE1				0x58
73 
74 #define GPU_TIMESTAMP_OFFSET_LO				0x88
75 #define GPU_TIMESTAMP_OFFSET_HI				0x8C
76 #define GPU_CYCLE_COUNT_LO				0x90
77 #define GPU_CYCLE_COUNT_HI				0x94
78 #define GPU_TIMESTAMP_LO				0x98
79 #define GPU_TIMESTAMP_HI				0x9C
80 
81 #define GPU_THREAD_MAX_THREADS				0xA0
82 #define GPU_THREAD_MAX_WORKGROUP_SIZE			0xA4
83 #define GPU_THREAD_MAX_BARRIER_SIZE			0xA8
84 #define GPU_THREAD_FEATURES				0xAC
85 
86 #define GPU_TEXTURE_FEATURES(n)				(0xB0 + ((n) * 4))
87 
88 #define GPU_SHADER_PRESENT_LO				0x100
89 #define GPU_SHADER_PRESENT_HI				0x104
90 #define GPU_TILER_PRESENT_LO				0x110
91 #define GPU_TILER_PRESENT_HI				0x114
92 #define GPU_L2_PRESENT_LO				0x120
93 #define GPU_L2_PRESENT_HI				0x124
94 
95 #define SHADER_READY_LO					0x140
96 #define SHADER_READY_HI					0x144
97 #define TILER_READY_LO					0x150
98 #define TILER_READY_HI					0x154
99 #define L2_READY_LO					0x160
100 #define L2_READY_HI					0x164
101 
102 #define SHADER_PWRON_LO					0x180
103 #define SHADER_PWRON_HI					0x184
104 #define TILER_PWRON_LO					0x190
105 #define TILER_PWRON_HI					0x194
106 #define L2_PWRON_LO					0x1A0
107 #define L2_PWRON_HI					0x1A4
108 
109 #define SHADER_PWROFF_LO				0x1C0
110 #define SHADER_PWROFF_HI				0x1C4
111 #define TILER_PWROFF_LO					0x1D0
112 #define TILER_PWROFF_HI					0x1D4
113 #define L2_PWROFF_LO					0x1E0
114 #define L2_PWROFF_HI					0x1E4
115 
116 #define SHADER_PWRTRANS_LO				0x200
117 #define SHADER_PWRTRANS_HI				0x204
118 #define TILER_PWRTRANS_LO				0x210
119 #define TILER_PWRTRANS_HI				0x214
120 #define L2_PWRTRANS_LO					0x220
121 #define L2_PWRTRANS_HI					0x224
122 
123 #define SHADER_PWRACTIVE_LO				0x240
124 #define SHADER_PWRACTIVE_HI				0x244
125 #define TILER_PWRACTIVE_LO				0x250
126 #define TILER_PWRACTIVE_HI				0x254
127 #define L2_PWRACTIVE_LO					0x260
128 #define L2_PWRACTIVE_HI					0x264
129 
130 #define GPU_REVID					0x280
131 
132 #define GPU_COHERENCY_FEATURES				0x300
133 #define GPU_COHERENCY_PROT_BIT(name)			BIT(GPU_COHERENCY_  ## name)
134 
135 #define GPU_COHERENCY_PROTOCOL				0x304
136 #define   GPU_COHERENCY_ACE				0
137 #define   GPU_COHERENCY_ACE_LITE			1
138 #define   GPU_COHERENCY_NONE				31
139 
140 #define MCU_CONTROL					0x700
141 #define MCU_CONTROL_ENABLE				1
142 #define MCU_CONTROL_AUTO				2
143 #define MCU_CONTROL_DISABLE				0
144 
145 #define MCU_STATUS					0x704
146 #define MCU_STATUS_DISABLED				0
147 #define MCU_STATUS_ENABLED				1
148 #define MCU_STATUS_HALT					2
149 #define MCU_STATUS_FATAL				3
150 
151 /* Job Control regs */
152 #define JOB_INT_RAWSTAT					0x1000
153 #define JOB_INT_CLEAR					0x1004
154 #define JOB_INT_MASK					0x1008
155 #define JOB_INT_STAT					0x100c
156 #define   JOB_INT_GLOBAL_IF				BIT(31)
157 #define   JOB_INT_CSG_IF(x)				BIT(x)
158 
159 /* MMU regs */
160 #define MMU_INT_RAWSTAT					0x2000
161 #define MMU_INT_CLEAR					0x2004
162 #define MMU_INT_MASK					0x2008
163 #define MMU_INT_STAT					0x200c
164 
165 /* AS_COMMAND register commands */
166 
167 #define MMU_BASE					0x2400
168 #define MMU_AS_SHIFT					6
169 #define MMU_AS(as)					(MMU_BASE + ((as) << MMU_AS_SHIFT))
170 
171 #define AS_TRANSTAB_LO(as)				(MMU_AS(as) + 0x0)
172 #define AS_TRANSTAB_HI(as)				(MMU_AS(as) + 0x4)
173 #define AS_MEMATTR_LO(as)				(MMU_AS(as) + 0x8)
174 #define AS_MEMATTR_HI(as)				(MMU_AS(as) + 0xC)
175 #define   AS_MEMATTR_AARCH64_INNER_ALLOC_IMPL		(2 << 2)
176 #define   AS_MEMATTR_AARCH64_INNER_ALLOC_EXPL(w, r)	((3 << 2) | \
177 							 ((w) ? BIT(0) : 0) | \
178 							 ((r) ? BIT(1) : 0))
179 #define   AS_MEMATTR_AARCH64_SH_MIDGARD_INNER		(0 << 4)
180 #define   AS_MEMATTR_AARCH64_SH_CPU_INNER		(1 << 4)
181 #define   AS_MEMATTR_AARCH64_SH_CPU_INNER_SHADER_COH	(2 << 4)
182 #define   AS_MEMATTR_AARCH64_SHARED			(0 << 6)
183 #define   AS_MEMATTR_AARCH64_INNER_OUTER_NC		(1 << 6)
184 #define   AS_MEMATTR_AARCH64_INNER_OUTER_WB		(2 << 6)
185 #define   AS_MEMATTR_AARCH64_FAULT			(3 << 6)
186 #define AS_LOCKADDR_LO(as)				(MMU_AS(as) + 0x10)
187 #define AS_LOCKADDR_HI(as)				(MMU_AS(as) + 0x14)
188 #define AS_COMMAND(as)					(MMU_AS(as) + 0x18)
189 #define   AS_COMMAND_NOP				0
190 #define   AS_COMMAND_UPDATE				1
191 #define   AS_COMMAND_LOCK				2
192 #define   AS_COMMAND_UNLOCK				3
193 #define   AS_COMMAND_FLUSH_PT				4
194 #define   AS_COMMAND_FLUSH_MEM				5
195 #define   AS_LOCK_REGION_MIN_SIZE			(1ULL << 15)
196 #define AS_FAULTSTATUS(as)				(MMU_AS(as) + 0x1C)
197 #define  AS_FAULTSTATUS_ACCESS_TYPE_MASK		(0x3 << 8)
198 #define  AS_FAULTSTATUS_ACCESS_TYPE_ATOMIC		(0x0 << 8)
199 #define  AS_FAULTSTATUS_ACCESS_TYPE_EX			(0x1 << 8)
200 #define  AS_FAULTSTATUS_ACCESS_TYPE_READ		(0x2 << 8)
201 #define  AS_FAULTSTATUS_ACCESS_TYPE_WRITE		(0x3 << 8)
202 #define AS_FAULTADDRESS_LO(as)				(MMU_AS(as) + 0x20)
203 #define AS_FAULTADDRESS_HI(as)				(MMU_AS(as) + 0x24)
204 #define AS_STATUS(as)					(MMU_AS(as) + 0x28)
205 #define   AS_STATUS_AS_ACTIVE				BIT(0)
206 #define AS_TRANSCFG_LO(as)				(MMU_AS(as) + 0x30)
207 #define AS_TRANSCFG_HI(as)				(MMU_AS(as) + 0x34)
208 #define   AS_TRANSCFG_ADRMODE_UNMAPPED			(1 << 0)
209 #define   AS_TRANSCFG_ADRMODE_IDENTITY			(2 << 0)
210 #define   AS_TRANSCFG_ADRMODE_AARCH64_4K		(6 << 0)
211 #define   AS_TRANSCFG_ADRMODE_AARCH64_64K		(8 << 0)
212 #define   AS_TRANSCFG_INA_BITS(x)			((x) << 6)
213 #define   AS_TRANSCFG_OUTA_BITS(x)			((x) << 14)
214 #define   AS_TRANSCFG_SL_CONCAT				BIT(22)
215 #define   AS_TRANSCFG_PTW_MEMATTR_NC			(1 << 24)
216 #define   AS_TRANSCFG_PTW_MEMATTR_WB			(2 << 24)
217 #define   AS_TRANSCFG_PTW_SH_NS				(0 << 28)
218 #define   AS_TRANSCFG_PTW_SH_OS				(2 << 28)
219 #define   AS_TRANSCFG_PTW_SH_IS				(3 << 28)
220 #define   AS_TRANSCFG_PTW_RA				BIT(30)
221 #define   AS_TRANSCFG_DISABLE_HIER_AP			BIT(33)
222 #define   AS_TRANSCFG_DISABLE_AF_FAULT			BIT(34)
223 #define   AS_TRANSCFG_WXN				BIT(35)
224 #define   AS_TRANSCFG_XREADABLE				BIT(36)
225 #define AS_FAULTEXTRA_LO(as)				(MMU_AS(as) + 0x38)
226 #define AS_FAULTEXTRA_HI(as)				(MMU_AS(as) + 0x3C)
227 
228 #define CSF_GPU_LATEST_FLUSH_ID				0x10000
229 
230 #define CSF_DOORBELL(i)					(0x80000 + ((i) * 0x10000))
231 #define CSF_GLB_DOORBELL_ID				0
232 
233 #define gpu_write(dev, reg, data) \
234 	writel(data, (dev)->iomem + (reg))
235 
236 #define gpu_read(dev, reg) \
237 	readl((dev)->iomem + (reg))
238 
239 #endif
240