xref: /openbmc/linux/drivers/net/ipa/reg/gsi_reg-v4.0.c (revision e724e7aa) 
1 // SPDX-License-Identifier: GPL-2.0
2 
3 /* Copyright (C) 2023 Linaro Ltd. */
4 
5 #include <linux/types.h>
6 
7 #include "../gsi.h"
8 #include "../reg.h"
9 #include "../gsi_reg.h"
10 
11 REG(INTER_EE_SRC_CH_IRQ_MSK, inter_ee_src_ch_irq_msk,
12     0x0000c020 + 0x1000 * GSI_EE_AP);
13 
14 REG(INTER_EE_SRC_EV_CH_IRQ_MSK, inter_ee_src_ev_ch_irq_msk,
15     0x0000c024 + 0x1000 * GSI_EE_AP);
16 
17 static const u32 reg_ch_c_cntxt_0_fmask[] = {
18 	[CHTYPE_PROTOCOL]				= GENMASK(2, 0),
19 	[CHTYPE_DIR]					= BIT(3),
20 	[CH_EE]						= GENMASK(7, 4),
21 	[CHID]						= GENMASK(12, 8),
22 						/* Bit 13 reserved */
23 	[ERINDEX]					= GENMASK(18, 14),
24 						/* Bit 19 reserved */
25 	[CHSTATE]					= GENMASK(23, 20),
26 	[ELEMENT_SIZE]					= GENMASK(31, 24),
27 };
28 
29 REG_STRIDE_FIELDS(CH_C_CNTXT_0, ch_c_cntxt_0,
30 		  0x0001c000 + 0x4000 * GSI_EE_AP, 0x80);
31 
32 static const u32 reg_ch_c_cntxt_1_fmask[] = {
33 	[CH_R_LENGTH]					= GENMASK(15, 0),
34 						/* Bits 16-31 reserved */
35 };
36 
37 REG_STRIDE_FIELDS(CH_C_CNTXT_1, ch_c_cntxt_1,
38 		  0x0001c004 + 0x4000 * GSI_EE_AP, 0x80);
39 
40 REG_STRIDE(CH_C_CNTXT_2, ch_c_cntxt_2, 0x0001c008 + 0x4000 * GSI_EE_AP, 0x80);
41 
42 REG_STRIDE(CH_C_CNTXT_3, ch_c_cntxt_3, 0x0001c00c + 0x4000 * GSI_EE_AP, 0x80);
43 
44 static const u32 reg_ch_c_qos_fmask[] = {
45 	[WRR_WEIGHT]					= GENMASK(3, 0),
46 						/* Bits 4-7 reserved */
47 	[MAX_PREFETCH]					= BIT(8),
48 	[USE_DB_ENG]					= BIT(9),
49 	[USE_ESCAPE_BUF_ONLY]				= BIT(10),
50 						/* Bits 11-31 reserved */
51 };
52 
53 REG_STRIDE_FIELDS(CH_C_QOS, ch_c_qos, 0x0001c05c + 0x4000 * GSI_EE_AP, 0x80);
54 
55 static const u32 reg_error_log_fmask[] = {
56 	[ERR_ARG3]					= GENMASK(3, 0),
57 	[ERR_ARG2]					= GENMASK(7, 4),
58 	[ERR_ARG1]					= GENMASK(11, 8),
59 	[ERR_CODE]					= GENMASK(15, 12),
60 						/* Bits 16-18 reserved */
61 	[ERR_VIRT_IDX]					= GENMASK(23, 19),
62 	[ERR_TYPE]					= GENMASK(27, 24),
63 	[ERR_EE]					= GENMASK(31, 28),
64 };
65 
66 REG_STRIDE(CH_C_SCRATCH_0, ch_c_scratch_0,
67 	   0x0001c060 + 0x4000 * GSI_EE_AP, 0x80);
68 
69 REG_STRIDE(CH_C_SCRATCH_1, ch_c_scratch_1,
70 	   0x0001c064 + 0x4000 * GSI_EE_AP, 0x80);
71 
72 REG_STRIDE(CH_C_SCRATCH_2, ch_c_scratch_2,
73 	   0x0001c068 + 0x4000 * GSI_EE_AP, 0x80);
74 
75 REG_STRIDE(CH_C_SCRATCH_3, ch_c_scratch_3,
76 	   0x0001c06c + 0x4000 * GSI_EE_AP, 0x80);
77 
78 static const u32 reg_ev_ch_e_cntxt_0_fmask[] = {
79 	[EV_CHTYPE]					= GENMASK(3, 0),
80 	[EV_EE]						= GENMASK(7, 4),
81 	[EV_EVCHID]					= GENMASK(15, 8),
82 	[EV_INTYPE]					= BIT(16),
83 						/* Bits 17-19 reserved */
84 	[EV_CHSTATE]					= GENMASK(23, 20),
85 	[EV_ELEMENT_SIZE]				= GENMASK(31, 24),
86 };
87 
88 REG_STRIDE_FIELDS(EV_CH_E_CNTXT_0, ev_ch_e_cntxt_0,
89 		  0x0001d000 + 0x4000 * GSI_EE_AP, 0x80);
90 
91 static const u32 reg_ev_ch_e_cntxt_1_fmask[] = {
92 	[R_LENGTH]					= GENMASK(15, 0),
93 };
94 
95 REG_STRIDE_FIELDS(EV_CH_E_CNTXT_1, ev_ch_e_cntxt_1,
96 		  0x0001d004 + 0x4000 * GSI_EE_AP, 0x80);
97 
98 REG_STRIDE(EV_CH_E_CNTXT_2, ev_ch_e_cntxt_2,
99 	   0x0001d008 + 0x4000 * GSI_EE_AP, 0x80);
100 
101 REG_STRIDE(EV_CH_E_CNTXT_3, ev_ch_e_cntxt_3,
102 	   0x0001d00c + 0x4000 * GSI_EE_AP, 0x80);
103 
104 REG_STRIDE(EV_CH_E_CNTXT_4, ev_ch_e_cntxt_4,
105 	   0x0001d010 + 0x4000 * GSI_EE_AP, 0x80);
106 
107 static const u32 reg_ev_ch_e_cntxt_8_fmask[] = {
108 	[EV_MODT]					= GENMASK(15, 0),
109 	[EV_MODC]					= GENMASK(23, 16),
110 	[EV_MOD_CNT]					= GENMASK(31, 24),
111 };
112 
113 REG_STRIDE_FIELDS(EV_CH_E_CNTXT_8, ev_ch_e_cntxt_8,
114 		  0x0001d020 + 0x4000 * GSI_EE_AP, 0x80);
115 
116 REG_STRIDE(EV_CH_E_CNTXT_9, ev_ch_e_cntxt_9,
117 	   0x0001d024 + 0x4000 * GSI_EE_AP, 0x80);
118 
119 REG_STRIDE(EV_CH_E_CNTXT_10, ev_ch_e_cntxt_10,
120 	   0x0001d028 + 0x4000 * GSI_EE_AP, 0x80);
121 
122 REG_STRIDE(EV_CH_E_CNTXT_11, ev_ch_e_cntxt_11,
123 	   0x0001d02c + 0x4000 * GSI_EE_AP, 0x80);
124 
125 REG_STRIDE(EV_CH_E_CNTXT_12, ev_ch_e_cntxt_12,
126 	   0x0001d030 + 0x4000 * GSI_EE_AP, 0x80);
127 
128 REG_STRIDE(EV_CH_E_CNTXT_13, ev_ch_e_cntxt_13,
129 	   0x0001d034 + 0x4000 * GSI_EE_AP, 0x80);
130 
131 REG_STRIDE(EV_CH_E_SCRATCH_0, ev_ch_e_scratch_0,
132 	   0x0001d048 + 0x4000 * GSI_EE_AP, 0x80);
133 
134 REG_STRIDE(EV_CH_E_SCRATCH_1, ev_ch_e_scratch_1,
135 	   0x0001d04c + 0x4000 * GSI_EE_AP, 0x80);
136 
137 REG_STRIDE(CH_C_DOORBELL_0, ch_c_doorbell_0,
138 	   0x0001e000 + 0x4000 * GSI_EE_AP, 0x08);
139 
140 REG_STRIDE(EV_CH_E_DOORBELL_0, ev_ch_e_doorbell_0,
141 	   0x0001e100 + 0x4000 * GSI_EE_AP, 0x08);
142 
143 static const u32 reg_gsi_status_fmask[] = {
144 	[ENABLED]					= BIT(0),
145 						/* Bits 1-31 reserved */
146 };
147 
148 REG_FIELDS(GSI_STATUS, gsi_status, 0x0001f000 + 0x4000 * GSI_EE_AP);
149 
150 static const u32 reg_ch_cmd_fmask[] = {
151 	[CH_CHID]					= GENMASK(7, 0),
152 						/* Bits 8-23 reserved */
153 	[CH_OPCODE]					= GENMASK(31, 24),
154 };
155 
156 REG_FIELDS(CH_CMD, ch_cmd, 0x0001f008 + 0x4000 * GSI_EE_AP);
157 
158 static const u32 reg_ev_ch_cmd_fmask[] = {
159 	[EV_CHID]					= GENMASK(7, 0),
160 						/* Bits 8-23 reserved */
161 	[EV_OPCODE]					= GENMASK(31, 24),
162 };
163 
164 REG_FIELDS(EV_CH_CMD, ev_ch_cmd, 0x0001f010 + 0x4000 * GSI_EE_AP);
165 
166 static const u32 reg_generic_cmd_fmask[] = {
167 	[GENERIC_OPCODE]				= GENMASK(4, 0),
168 	[GENERIC_CHID]					= GENMASK(9, 5),
169 	[GENERIC_EE]					= GENMASK(13, 10),
170 						/* Bits 14-31 reserved */
171 };
172 
173 REG_FIELDS(GENERIC_CMD, generic_cmd, 0x0001f018 + 0x4000 * GSI_EE_AP);
174 
175 static const u32 reg_hw_param_2_fmask[] = {
176 	[IRAM_SIZE]					= GENMASK(2, 0),
177 	[NUM_CH_PER_EE]					= GENMASK(7, 3),
178 	[NUM_EV_PER_EE]					= GENMASK(12, 8),
179 	[GSI_CH_PEND_TRANSLATE]				= BIT(13),
180 	[GSI_CH_FULL_LOGIC]				= BIT(14),
181 	[GSI_USE_SDMA]					= BIT(15),
182 	[GSI_SDMA_N_INT]				= GENMASK(18, 16),
183 	[GSI_SDMA_MAX_BURST]				= GENMASK(26, 19),
184 	[GSI_SDMA_N_IOVEC]				= GENMASK(29, 27),
185 						/* Bits 30-31 reserved */
186 };
187 
188 REG_FIELDS(HW_PARAM_2, hw_param_2, 0x0001f040 + 0x4000 * GSI_EE_AP);
189 
190 REG(CNTXT_TYPE_IRQ, cntxt_type_irq, 0x0001f080 + 0x4000 * GSI_EE_AP);
191 
192 REG(CNTXT_TYPE_IRQ_MSK, cntxt_type_irq_msk, 0x0001f088 + 0x4000 * GSI_EE_AP);
193 
194 REG(CNTXT_SRC_CH_IRQ, cntxt_src_ch_irq, 0x0001f090 + 0x4000 * GSI_EE_AP);
195 
196 REG(CNTXT_SRC_EV_CH_IRQ, cntxt_src_ev_ch_irq, 0x0001f094 + 0x4000 * GSI_EE_AP);
197 
198 REG(CNTXT_SRC_CH_IRQ_MSK, cntxt_src_ch_irq_msk,
199     0x0001f098 + 0x4000 * GSI_EE_AP);
200 
201 REG(CNTXT_SRC_EV_CH_IRQ_MSK, cntxt_src_ev_ch_irq_msk,
202     0x0001f09c + 0x4000 * GSI_EE_AP);
203 
204 REG(CNTXT_SRC_CH_IRQ_CLR, cntxt_src_ch_irq_clr,
205     0x0001f0a0 + 0x4000 * GSI_EE_AP);
206 
207 REG(CNTXT_SRC_EV_CH_IRQ_CLR, cntxt_src_ev_ch_irq_clr,
208     0x0001f0a4 + 0x4000 * GSI_EE_AP);
209 
210 REG(CNTXT_SRC_IEOB_IRQ, cntxt_src_ieob_irq, 0x0001f0b0 + 0x4000 * GSI_EE_AP);
211 
212 REG(CNTXT_SRC_IEOB_IRQ_MSK, cntxt_src_ieob_irq_msk,
213     0x0001f0b8 + 0x4000 * GSI_EE_AP);
214 
215 REG(CNTXT_SRC_IEOB_IRQ_CLR, cntxt_src_ieob_irq_clr,
216     0x0001f0c0 + 0x4000 * GSI_EE_AP);
217 
218 REG(CNTXT_GLOB_IRQ_STTS, cntxt_glob_irq_stts, 0x0001f100 + 0x4000 * GSI_EE_AP);
219 
220 REG(CNTXT_GLOB_IRQ_EN, cntxt_glob_irq_en, 0x0001f108 + 0x4000 * GSI_EE_AP);
221 
222 REG(CNTXT_GLOB_IRQ_CLR, cntxt_glob_irq_clr, 0x0001f110 + 0x4000 * GSI_EE_AP);
223 
224 REG(CNTXT_GSI_IRQ_STTS, cntxt_gsi_irq_stts, 0x0001f118 + 0x4000 * GSI_EE_AP);
225 
226 REG(CNTXT_GSI_IRQ_EN, cntxt_gsi_irq_en, 0x0001f120 + 0x4000 * GSI_EE_AP);
227 
228 REG(CNTXT_GSI_IRQ_CLR, cntxt_gsi_irq_clr, 0x0001f128 + 0x4000 * GSI_EE_AP);
229 
230 static const u32 reg_cntxt_intset_fmask[] = {
231 	[INTYPE]					= BIT(0)
232 						/* Bits 1-31 reserved */
233 };
234 
235 REG_FIELDS(CNTXT_INTSET, cntxt_intset, 0x0001f180 + 0x4000 * GSI_EE_AP);
236 
237 REG_FIELDS(ERROR_LOG, error_log, 0x0001f200 + 0x4000 * GSI_EE_AP);
238 
239 REG(ERROR_LOG_CLR, error_log_clr, 0x0001f210 + 0x4000 * GSI_EE_AP);
240 
241 static const u32 reg_cntxt_scratch_0_fmask[] = {
242 	[INTER_EE_RESULT]				= GENMASK(2, 0),
243 						/* Bits 3-4 reserved */
244 	[GENERIC_EE_RESULT]				= GENMASK(7, 5),
245 						/* Bits 8-31 reserved */
246 };
247 
248 REG_FIELDS(CNTXT_SCRATCH_0, cntxt_scratch_0, 0x0001f400 + 0x4000 * GSI_EE_AP);
249 
250 static const struct reg *reg_array[] = {
251 	[INTER_EE_SRC_CH_IRQ_MSK]	= &reg_inter_ee_src_ch_irq_msk,
252 	[INTER_EE_SRC_EV_CH_IRQ_MSK]	= &reg_inter_ee_src_ev_ch_irq_msk,
253 	[CH_C_CNTXT_0]			= &reg_ch_c_cntxt_0,
254 	[CH_C_CNTXT_1]			= &reg_ch_c_cntxt_1,
255 	[CH_C_CNTXT_2]			= &reg_ch_c_cntxt_2,
256 	[CH_C_CNTXT_3]			= &reg_ch_c_cntxt_3,
257 	[CH_C_QOS]			= &reg_ch_c_qos,
258 	[CH_C_SCRATCH_0]		= &reg_ch_c_scratch_0,
259 	[CH_C_SCRATCH_1]		= &reg_ch_c_scratch_1,
260 	[CH_C_SCRATCH_2]		= &reg_ch_c_scratch_2,
261 	[CH_C_SCRATCH_3]		= &reg_ch_c_scratch_3,
262 	[EV_CH_E_CNTXT_0]		= &reg_ev_ch_e_cntxt_0,
263 	[EV_CH_E_CNTXT_1]		= &reg_ev_ch_e_cntxt_1,
264 	[EV_CH_E_CNTXT_2]		= &reg_ev_ch_e_cntxt_2,
265 	[EV_CH_E_CNTXT_3]		= &reg_ev_ch_e_cntxt_3,
266 	[EV_CH_E_CNTXT_4]		= &reg_ev_ch_e_cntxt_4,
267 	[EV_CH_E_CNTXT_8]		= &reg_ev_ch_e_cntxt_8,
268 	[EV_CH_E_CNTXT_9]		= &reg_ev_ch_e_cntxt_9,
269 	[EV_CH_E_CNTXT_10]		= &reg_ev_ch_e_cntxt_10,
270 	[EV_CH_E_CNTXT_11]		= &reg_ev_ch_e_cntxt_11,
271 	[EV_CH_E_CNTXT_12]		= &reg_ev_ch_e_cntxt_12,
272 	[EV_CH_E_CNTXT_13]		= &reg_ev_ch_e_cntxt_13,
273 	[EV_CH_E_SCRATCH_0]		= &reg_ev_ch_e_scratch_0,
274 	[EV_CH_E_SCRATCH_1]		= &reg_ev_ch_e_scratch_1,
275 	[CH_C_DOORBELL_0]		= &reg_ch_c_doorbell_0,
276 	[EV_CH_E_DOORBELL_0]		= &reg_ev_ch_e_doorbell_0,
277 	[GSI_STATUS]			= &reg_gsi_status,
278 	[CH_CMD]			= &reg_ch_cmd,
279 	[EV_CH_CMD]			= &reg_ev_ch_cmd,
280 	[GENERIC_CMD]			= &reg_generic_cmd,
281 	[HW_PARAM_2]			= &reg_hw_param_2,
282 	[CNTXT_TYPE_IRQ]		= &reg_cntxt_type_irq,
283 	[CNTXT_TYPE_IRQ_MSK]		= &reg_cntxt_type_irq_msk,
284 	[CNTXT_SRC_CH_IRQ]		= &reg_cntxt_src_ch_irq,
285 	[CNTXT_SRC_EV_CH_IRQ]		= &reg_cntxt_src_ev_ch_irq,
286 	[CNTXT_SRC_CH_IRQ_MSK]		= &reg_cntxt_src_ch_irq_msk,
287 	[CNTXT_SRC_EV_CH_IRQ_MSK]	= &reg_cntxt_src_ev_ch_irq_msk,
288 	[CNTXT_SRC_CH_IRQ_CLR]		= &reg_cntxt_src_ch_irq_clr,
289 	[CNTXT_SRC_EV_CH_IRQ_CLR]	= &reg_cntxt_src_ev_ch_irq_clr,
290 	[CNTXT_SRC_IEOB_IRQ]		= &reg_cntxt_src_ieob_irq,
291 	[CNTXT_SRC_IEOB_IRQ_MSK]	= &reg_cntxt_src_ieob_irq_msk,
292 	[CNTXT_SRC_IEOB_IRQ_CLR]	= &reg_cntxt_src_ieob_irq_clr,
293 	[CNTXT_GLOB_IRQ_STTS]		= &reg_cntxt_glob_irq_stts,
294 	[CNTXT_GLOB_IRQ_EN]		= &reg_cntxt_glob_irq_en,
295 	[CNTXT_GLOB_IRQ_CLR]		= &reg_cntxt_glob_irq_clr,
296 	[CNTXT_GSI_IRQ_STTS]		= &reg_cntxt_gsi_irq_stts,
297 	[CNTXT_GSI_IRQ_EN]		= &reg_cntxt_gsi_irq_en,
298 	[CNTXT_GSI_IRQ_CLR]		= &reg_cntxt_gsi_irq_clr,
299 	[CNTXT_INTSET]			= &reg_cntxt_intset,
300 	[ERROR_LOG]			= &reg_error_log,
301 	[ERROR_LOG_CLR]			= &reg_error_log_clr,
302 	[CNTXT_SCRATCH_0]		= &reg_cntxt_scratch_0,
303 };
304 
305 const struct regs gsi_regs_v4_0 = {
306 	.reg_count	= ARRAY_SIZE(reg_array),
307 	.reg		= reg_array,
308 };
309