xref: /openbmc/linux/drivers/net/ipa/reg/gsi_reg-v3.1.c (revision 18da174d) 
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 						/* Bits 10-31 reserved */
50 };
51 
52 REG_STRIDE_FIELDS(CH_C_QOS, ch_c_qos, 0x0001c05c + 0x4000 * GSI_EE_AP, 0x80);
53 
54 static const u32 reg_error_log_fmask[] = {
55 	[ERR_ARG3]					= GENMASK(3, 0),
56 	[ERR_ARG2]					= GENMASK(7, 4),
57 	[ERR_ARG1]					= GENMASK(11, 8),
58 	[ERR_CODE]					= GENMASK(15, 12),
59 						/* Bits 16-18 reserved */
60 	[ERR_VIRT_IDX]					= GENMASK(23, 19),
61 	[ERR_TYPE]					= GENMASK(27, 24),
62 	[ERR_EE]					= GENMASK(31, 28),
63 };
64 
65 REG_STRIDE(CH_C_SCRATCH_0, ch_c_scratch_0,
66 	   0x0001c060 + 0x4000 * GSI_EE_AP, 0x80);
67 
68 REG_STRIDE(CH_C_SCRATCH_1, ch_c_scratch_1,
69 	   0x0001c064 + 0x4000 * GSI_EE_AP, 0x80);
70 
71 REG_STRIDE(CH_C_SCRATCH_2, ch_c_scratch_2,
72 	   0x0001c068 + 0x4000 * GSI_EE_AP, 0x80);
73 
74 REG_STRIDE(CH_C_SCRATCH_3, ch_c_scratch_3,
75 	   0x0001c06c + 0x4000 * GSI_EE_AP, 0x80);
76 
77 static const u32 reg_ev_ch_e_cntxt_0_fmask[] = {
78 	[EV_CHTYPE]					= GENMASK(3, 0),
79 	[EV_EE]						= GENMASK(7, 4),
80 	[EV_EVCHID]					= GENMASK(15, 8),
81 	[EV_INTYPE]					= BIT(16),
82 						/* Bits 17-19 reserved */
83 	[EV_CHSTATE]					= GENMASK(23, 20),
84 	[EV_ELEMENT_SIZE]				= GENMASK(31, 24),
85 };
86 
87 REG_STRIDE_FIELDS(EV_CH_E_CNTXT_0, ev_ch_e_cntxt_0,
88 		  0x0001d000 + 0x4000 * GSI_EE_AP, 0x80);
89 
90 static const u32 reg_ev_ch_e_cntxt_1_fmask[] = {
91 	[R_LENGTH]					= GENMASK(15, 0),
92 };
93 
94 REG_STRIDE_FIELDS(EV_CH_E_CNTXT_1, ev_ch_e_cntxt_1,
95 		  0x0001d004 + 0x4000 * GSI_EE_AP, 0x80);
96 
97 REG_STRIDE(EV_CH_E_CNTXT_2, ev_ch_e_cntxt_2,
98 	   0x0001d008 + 0x4000 * GSI_EE_AP, 0x80);
99 
100 REG_STRIDE(EV_CH_E_CNTXT_3, ev_ch_e_cntxt_3,
101 	   0x0001d00c + 0x4000 * GSI_EE_AP, 0x80);
102 
103 REG_STRIDE(EV_CH_E_CNTXT_4, ev_ch_e_cntxt_4,
104 	   0x0001d010 + 0x4000 * GSI_EE_AP, 0x80);
105 
106 static const u32 reg_ev_ch_e_cntxt_8_fmask[] = {
107 	[EV_MODT]					= GENMASK(15, 0),
108 	[EV_MODC]					= GENMASK(23, 16),
109 	[EV_MOD_CNT]					= GENMASK(31, 24),
110 };
111 
112 REG_STRIDE_FIELDS(EV_CH_E_CNTXT_8, ev_ch_e_cntxt_8,
113 		  0x0001d020 + 0x4000 * GSI_EE_AP, 0x80);
114 
115 REG_STRIDE(EV_CH_E_CNTXT_9, ev_ch_e_cntxt_9,
116 	   0x0001d024 + 0x4000 * GSI_EE_AP, 0x80);
117 
118 REG_STRIDE(EV_CH_E_CNTXT_10, ev_ch_e_cntxt_10,
119 	   0x0001d028 + 0x4000 * GSI_EE_AP, 0x80);
120 
121 REG_STRIDE(EV_CH_E_CNTXT_11, ev_ch_e_cntxt_11,
122 	   0x0001d02c + 0x4000 * GSI_EE_AP, 0x80);
123 
124 REG_STRIDE(EV_CH_E_CNTXT_12, ev_ch_e_cntxt_12,
125 	   0x0001d030 + 0x4000 * GSI_EE_AP, 0x80);
126 
127 REG_STRIDE(EV_CH_E_CNTXT_13, ev_ch_e_cntxt_13,
128 	   0x0001d034 + 0x4000 * GSI_EE_AP, 0x80);
129 
130 REG_STRIDE(EV_CH_E_SCRATCH_0, ev_ch_e_scratch_0,
131 	   0x0001d048 + 0x4000 * GSI_EE_AP, 0x80);
132 
133 REG_STRIDE(EV_CH_E_SCRATCH_1, ev_ch_e_scratch_1,
134 	   0x0001d04c + 0x4000 * GSI_EE_AP, 0x80);
135 
136 REG_STRIDE(CH_C_DOORBELL_0, ch_c_doorbell_0,
137 	   0x0001e000 + 0x4000 * GSI_EE_AP, 0x08);
138 
139 REG_STRIDE(EV_CH_E_DOORBELL_0, ev_ch_e_doorbell_0,
140 	   0x0001e100 + 0x4000 * GSI_EE_AP, 0x08);
141 
142 static const u32 reg_gsi_status_fmask[] = {
143 	[ENABLED]					= BIT(0),
144 						/* Bits 1-31 reserved */
145 };
146 
147 REG_FIELDS(GSI_STATUS, gsi_status, 0x0001f000 + 0x4000 * GSI_EE_AP);
148 
149 static const u32 reg_ch_cmd_fmask[] = {
150 	[CH_CHID]					= GENMASK(7, 0),
151 						/* Bits 8-23 reserved */
152 	[CH_OPCODE]					= GENMASK(31, 24),
153 };
154 
155 REG_FIELDS(CH_CMD, ch_cmd, 0x0001f008 + 0x4000 * GSI_EE_AP);
156 
157 static const u32 reg_ev_ch_cmd_fmask[] = {
158 	[EV_CHID]					= GENMASK(7, 0),
159 						/* Bits 8-23 reserved */
160 	[EV_OPCODE]					= GENMASK(31, 24),
161 };
162 
163 REG_FIELDS(EV_CH_CMD, ev_ch_cmd, 0x0001f010 + 0x4000 * GSI_EE_AP);
164 
165 static const u32 reg_generic_cmd_fmask[] = {
166 	[GENERIC_OPCODE]				= GENMASK(4, 0),
167 	[GENERIC_CHID]					= GENMASK(9, 5),
168 	[GENERIC_EE]					= GENMASK(13, 10),
169 						/* Bits 14-31 reserved */
170 };
171 
172 REG_FIELDS(GENERIC_CMD, generic_cmd, 0x0001f018 + 0x4000 * GSI_EE_AP);
173 
174 REG(CNTXT_TYPE_IRQ, cntxt_type_irq, 0x0001f080 + 0x4000 * GSI_EE_AP);
175 
176 REG(CNTXT_TYPE_IRQ_MSK, cntxt_type_irq_msk, 0x0001f088 + 0x4000 * GSI_EE_AP);
177 
178 REG(CNTXT_SRC_CH_IRQ, cntxt_src_ch_irq, 0x0001f090 + 0x4000 * GSI_EE_AP);
179 
180 REG(CNTXT_SRC_EV_CH_IRQ, cntxt_src_ev_ch_irq, 0x0001f094 + 0x4000 * GSI_EE_AP);
181 
182 REG(CNTXT_SRC_CH_IRQ_MSK, cntxt_src_ch_irq_msk,
183     0x0001f098 + 0x4000 * GSI_EE_AP);
184 
185 REG(CNTXT_SRC_EV_CH_IRQ_MSK, cntxt_src_ev_ch_irq_msk,
186     0x0001f09c + 0x4000 * GSI_EE_AP);
187 
188 REG(CNTXT_SRC_CH_IRQ_CLR, cntxt_src_ch_irq_clr,
189     0x0001f0a0 + 0x4000 * GSI_EE_AP);
190 
191 REG(CNTXT_SRC_EV_CH_IRQ_CLR, cntxt_src_ev_ch_irq_clr,
192     0x0001f0a4 + 0x4000 * GSI_EE_AP);
193 
194 REG(CNTXT_SRC_IEOB_IRQ, cntxt_src_ieob_irq, 0x0001f0b0 + 0x4000 * GSI_EE_AP);
195 
196 REG(CNTXT_SRC_IEOB_IRQ_MSK, cntxt_src_ieob_irq_msk,
197     0x0001f0b8 + 0x4000 * GSI_EE_AP);
198 
199 REG(CNTXT_SRC_IEOB_IRQ_CLR, cntxt_src_ieob_irq_clr,
200     0x0001f0c0 + 0x4000 * GSI_EE_AP);
201 
202 REG(CNTXT_GLOB_IRQ_STTS, cntxt_glob_irq_stts, 0x0001f100 + 0x4000 * GSI_EE_AP);
203 
204 REG(CNTXT_GLOB_IRQ_EN, cntxt_glob_irq_en, 0x0001f108 + 0x4000 * GSI_EE_AP);
205 
206 REG(CNTXT_GLOB_IRQ_CLR, cntxt_glob_irq_clr, 0x0001f110 + 0x4000 * GSI_EE_AP);
207 
208 REG(CNTXT_GSI_IRQ_STTS, cntxt_gsi_irq_stts, 0x0001f118 + 0x4000 * GSI_EE_AP);
209 
210 REG(CNTXT_GSI_IRQ_EN, cntxt_gsi_irq_en, 0x0001f120 + 0x4000 * GSI_EE_AP);
211 
212 REG(CNTXT_GSI_IRQ_CLR, cntxt_gsi_irq_clr, 0x0001f128 + 0x4000 * GSI_EE_AP);
213 
214 static const u32 reg_cntxt_intset_fmask[] = {
215 	[INTYPE]					= BIT(0)
216 						/* Bits 1-31 reserved */
217 };
218 
219 REG_FIELDS(CNTXT_INTSET, cntxt_intset, 0x0001f180 + 0x4000 * GSI_EE_AP);
220 
221 REG_FIELDS(ERROR_LOG, error_log, 0x0001f200 + 0x4000 * GSI_EE_AP);
222 
223 REG(ERROR_LOG_CLR, error_log_clr, 0x0001f210 + 0x4000 * GSI_EE_AP);
224 
225 static const u32 reg_cntxt_scratch_0_fmask[] = {
226 	[INTER_EE_RESULT]				= GENMASK(2, 0),
227 						/* Bits 3-4 reserved */
228 	[GENERIC_EE_RESULT]				= GENMASK(7, 5),
229 						/* Bits 8-31 reserved */
230 };
231 
232 REG_FIELDS(CNTXT_SCRATCH_0, cntxt_scratch_0, 0x0001f400 + 0x4000 * GSI_EE_AP);
233 
234 static const struct reg *reg_array[] = {
235 	[INTER_EE_SRC_CH_IRQ_MSK]	= &reg_inter_ee_src_ch_irq_msk,
236 	[INTER_EE_SRC_EV_CH_IRQ_MSK]	= &reg_inter_ee_src_ev_ch_irq_msk,
237 	[CH_C_CNTXT_0]			= &reg_ch_c_cntxt_0,
238 	[CH_C_CNTXT_1]			= &reg_ch_c_cntxt_1,
239 	[CH_C_CNTXT_2]			= &reg_ch_c_cntxt_2,
240 	[CH_C_CNTXT_3]			= &reg_ch_c_cntxt_3,
241 	[CH_C_QOS]			= &reg_ch_c_qos,
242 	[CH_C_SCRATCH_0]		= &reg_ch_c_scratch_0,
243 	[CH_C_SCRATCH_1]		= &reg_ch_c_scratch_1,
244 	[CH_C_SCRATCH_2]		= &reg_ch_c_scratch_2,
245 	[CH_C_SCRATCH_3]		= &reg_ch_c_scratch_3,
246 	[EV_CH_E_CNTXT_0]		= &reg_ev_ch_e_cntxt_0,
247 	[EV_CH_E_CNTXT_1]		= &reg_ev_ch_e_cntxt_1,
248 	[EV_CH_E_CNTXT_2]		= &reg_ev_ch_e_cntxt_2,
249 	[EV_CH_E_CNTXT_3]		= &reg_ev_ch_e_cntxt_3,
250 	[EV_CH_E_CNTXT_4]		= &reg_ev_ch_e_cntxt_4,
251 	[EV_CH_E_CNTXT_8]		= &reg_ev_ch_e_cntxt_8,
252 	[EV_CH_E_CNTXT_9]		= &reg_ev_ch_e_cntxt_9,
253 	[EV_CH_E_CNTXT_10]		= &reg_ev_ch_e_cntxt_10,
254 	[EV_CH_E_CNTXT_11]		= &reg_ev_ch_e_cntxt_11,
255 	[EV_CH_E_CNTXT_12]		= &reg_ev_ch_e_cntxt_12,
256 	[EV_CH_E_CNTXT_13]		= &reg_ev_ch_e_cntxt_13,
257 	[EV_CH_E_SCRATCH_0]		= &reg_ev_ch_e_scratch_0,
258 	[EV_CH_E_SCRATCH_1]		= &reg_ev_ch_e_scratch_1,
259 	[CH_C_DOORBELL_0]		= &reg_ch_c_doorbell_0,
260 	[EV_CH_E_DOORBELL_0]		= &reg_ev_ch_e_doorbell_0,
261 	[GSI_STATUS]			= &reg_gsi_status,
262 	[CH_CMD]			= &reg_ch_cmd,
263 	[EV_CH_CMD]			= &reg_ev_ch_cmd,
264 	[GENERIC_CMD]			= &reg_generic_cmd,
265 	[CNTXT_TYPE_IRQ]		= &reg_cntxt_type_irq,
266 	[CNTXT_TYPE_IRQ_MSK]		= &reg_cntxt_type_irq_msk,
267 	[CNTXT_SRC_CH_IRQ]		= &reg_cntxt_src_ch_irq,
268 	[CNTXT_SRC_EV_CH_IRQ]		= &reg_cntxt_src_ev_ch_irq,
269 	[CNTXT_SRC_CH_IRQ_MSK]		= &reg_cntxt_src_ch_irq_msk,
270 	[CNTXT_SRC_EV_CH_IRQ_MSK]	= &reg_cntxt_src_ev_ch_irq_msk,
271 	[CNTXT_SRC_CH_IRQ_CLR]		= &reg_cntxt_src_ch_irq_clr,
272 	[CNTXT_SRC_EV_CH_IRQ_CLR]	= &reg_cntxt_src_ev_ch_irq_clr,
273 	[CNTXT_SRC_IEOB_IRQ]		= &reg_cntxt_src_ieob_irq,
274 	[CNTXT_SRC_IEOB_IRQ_MSK]	= &reg_cntxt_src_ieob_irq_msk,
275 	[CNTXT_SRC_IEOB_IRQ_CLR]	= &reg_cntxt_src_ieob_irq_clr,
276 	[CNTXT_GLOB_IRQ_STTS]		= &reg_cntxt_glob_irq_stts,
277 	[CNTXT_GLOB_IRQ_EN]		= &reg_cntxt_glob_irq_en,
278 	[CNTXT_GLOB_IRQ_CLR]		= &reg_cntxt_glob_irq_clr,
279 	[CNTXT_GSI_IRQ_STTS]		= &reg_cntxt_gsi_irq_stts,
280 	[CNTXT_GSI_IRQ_EN]		= &reg_cntxt_gsi_irq_en,
281 	[CNTXT_GSI_IRQ_CLR]		= &reg_cntxt_gsi_irq_clr,
282 	[CNTXT_INTSET]			= &reg_cntxt_intset,
283 	[ERROR_LOG]			= &reg_error_log,
284 	[ERROR_LOG_CLR]			= &reg_error_log_clr,
285 	[CNTXT_SCRATCH_0]		= &reg_cntxt_scratch_0,
286 };
287 
288 const struct regs gsi_regs_v3_1 = {
289 	.reg_count	= ARRAY_SIZE(reg_array),
290 	.reg		= reg_array,
291 };
292