xref: /openbmc/linux/drivers/net/ipa/reg/gsi_reg-v3.1.c (revision 330ce9d3462e825c44368f58c32d2e2fcf819128)
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 /* The inter-EE IRQ registers are relative to gsi->virt_raw (IPA v3.5+) */
12 
13 REG(INTER_EE_SRC_CH_IRQ_MSK, inter_ee_src_ch_irq_msk,
14     0x0000c020 + 0x1000 * GSI_EE_AP);
15 
16 REG(INTER_EE_SRC_EV_CH_IRQ_MSK, inter_ee_src_ev_ch_irq_msk,
17     0x0000c024 + 0x1000 * GSI_EE_AP);
18 
19 /* All other register offsets are relative to gsi->virt */
20 
21 static const u32 reg_ch_c_cntxt_0_fmask[] = {
22 	[CHTYPE_PROTOCOL]				= GENMASK(2, 0),
23 	[CHTYPE_DIR]					= BIT(3),
24 	[CH_EE]						= GENMASK(7, 4),
25 	[CHID]						= GENMASK(12, 8),
26 						/* Bit 13 reserved */
27 	[ERINDEX]					= GENMASK(18, 14),
28 						/* Bit 19 reserved */
29 	[CHSTATE]					= GENMASK(23, 20),
30 	[ELEMENT_SIZE]					= GENMASK(31, 24),
31 };
32 
33 REG_STRIDE_FIELDS(CH_C_CNTXT_0, ch_c_cntxt_0,
34 		  0x0001c000 + 0x4000 * GSI_EE_AP, 0x80);
35 
36 static const u32 reg_ch_c_cntxt_1_fmask[] = {
37 	[CH_R_LENGTH]					= GENMASK(15, 0),
38 						/* Bits 16-31 reserved */
39 };
40 
41 REG_STRIDE_FIELDS(CH_C_CNTXT_1, ch_c_cntxt_1,
42 		  0x0001c004 + 0x4000 * GSI_EE_AP, 0x80);
43 
44 REG_STRIDE(CH_C_CNTXT_2, ch_c_cntxt_2, 0x0001c008 + 0x4000 * GSI_EE_AP, 0x80);
45 
46 REG_STRIDE(CH_C_CNTXT_3, ch_c_cntxt_3, 0x0001c00c + 0x4000 * GSI_EE_AP, 0x80);
47 
48 static const u32 reg_ch_c_qos_fmask[] = {
49 	[WRR_WEIGHT]					= GENMASK(3, 0),
50 						/* Bits 4-7 reserved */
51 	[MAX_PREFETCH]					= BIT(8),
52 	[USE_DB_ENG]					= BIT(9),
53 						/* Bits 10-31 reserved */
54 };
55 
56 REG_STRIDE_FIELDS(CH_C_QOS, ch_c_qos, 0x0001c05c + 0x4000 * GSI_EE_AP, 0x80);
57 
58 REG(ERROR_LOG, error_log, 0x0001f200 + 0x4000 * GSI_EE_AP);
59 
60 REG(ERROR_LOG_CLR, error_log_clr, 0x0001f210 + 0x4000 * GSI_EE_AP);
61 
62 REG_STRIDE(CH_C_SCRATCH_0, ch_c_scratch_0,
63 	   0x0001c060 + 0x4000 * GSI_EE_AP, 0x80);
64 
65 REG_STRIDE(CH_C_SCRATCH_1, ch_c_scratch_1,
66 	   0x0001c064 + 0x4000 * GSI_EE_AP, 0x80);
67 
68 REG_STRIDE(CH_C_SCRATCH_2, ch_c_scratch_2,
69 	   0x0001c068 + 0x4000 * GSI_EE_AP, 0x80);
70 
71 REG_STRIDE(CH_C_SCRATCH_3, ch_c_scratch_3,
72 	   0x0001c06c + 0x4000 * GSI_EE_AP, 0x80);
73 
74 REG_STRIDE(EV_CH_E_CNTXT_0, ev_ch_e_cntxt_0,
75 	   0x0001d000 + 0x4000 * GSI_EE_AP, 0x80);
76 
77 REG_STRIDE(EV_CH_E_CNTXT_1, ev_ch_e_cntxt_1,
78 	   0x0001d004 + 0x4000 * GSI_EE_AP, 0x80);
79 
80 REG_STRIDE(EV_CH_E_CNTXT_2, ev_ch_e_cntxt_2,
81 	   0x0001d008 + 0x4000 * GSI_EE_AP, 0x80);
82 
83 REG_STRIDE(EV_CH_E_CNTXT_3, ev_ch_e_cntxt_3,
84 	   0x0001d00c + 0x4000 * GSI_EE_AP, 0x80);
85 
86 REG_STRIDE(EV_CH_E_CNTXT_4, ev_ch_e_cntxt_4,
87 	   0x0001d010 + 0x4000 * GSI_EE_AP, 0x80);
88 
89 REG_STRIDE(EV_CH_E_CNTXT_8, ev_ch_e_cntxt_8,
90 	   0x0001d020 + 0x4000 * GSI_EE_AP, 0x80);
91 
92 REG_STRIDE(EV_CH_E_CNTXT_9, ev_ch_e_cntxt_9,
93 	   0x0001d024 + 0x4000 * GSI_EE_AP, 0x80);
94 
95 REG_STRIDE(EV_CH_E_CNTXT_10, ev_ch_e_cntxt_10,
96 	   0x0001d028 + 0x4000 * GSI_EE_AP, 0x80);
97 
98 REG_STRIDE(EV_CH_E_CNTXT_11, ev_ch_e_cntxt_11,
99 	   0x0001d02c + 0x4000 * GSI_EE_AP, 0x80);
100 
101 REG_STRIDE(EV_CH_E_CNTXT_12, ev_ch_e_cntxt_12,
102 	   0x0001d030 + 0x4000 * GSI_EE_AP, 0x80);
103 
104 REG_STRIDE(EV_CH_E_CNTXT_13, ev_ch_e_cntxt_13,
105 	   0x0001d034 + 0x4000 * GSI_EE_AP, 0x80);
106 
107 REG_STRIDE(EV_CH_E_SCRATCH_0, ev_ch_e_scratch_0,
108 	   0x0001d048 + 0x4000 * GSI_EE_AP, 0x80);
109 
110 REG_STRIDE(EV_CH_E_SCRATCH_1, ev_ch_e_scratch_1,
111 	   0x0001d04c + 0x4000 * GSI_EE_AP, 0x80);
112 
113 REG_STRIDE(CH_C_DOORBELL_0, ch_c_doorbell_0,
114 	   0x0001e000 + 0x4000 * GSI_EE_AP, 0x08);
115 
116 REG_STRIDE(EV_CH_E_DOORBELL_0, ev_ch_e_doorbell_0,
117 	   0x0001e100 + 0x4000 * GSI_EE_AP, 0x08);
118 
119 REG(GSI_STATUS, gsi_status, 0x0001f000 + 0x4000 * GSI_EE_AP);
120 
121 REG(CH_CMD, ch_cmd, 0x0001f008 + 0x4000 * GSI_EE_AP);
122 
123 REG(EV_CH_CMD, ev_ch_cmd, 0x0001f010 + 0x4000 * GSI_EE_AP);
124 
125 REG(GENERIC_CMD, generic_cmd, 0x0001f018 + 0x4000 * GSI_EE_AP);
126 
127 REG(CNTXT_TYPE_IRQ, cntxt_type_irq, 0x0001f080 + 0x4000 * GSI_EE_AP);
128 
129 REG(CNTXT_TYPE_IRQ_MSK, cntxt_type_irq_msk, 0x0001f088 + 0x4000 * GSI_EE_AP);
130 
131 REG(CNTXT_SRC_CH_IRQ, cntxt_src_ch_irq, 0x0001f090 + 0x4000 * GSI_EE_AP);
132 
133 REG(CNTXT_SRC_EV_CH_IRQ, cntxt_src_ev_ch_irq, 0x0001f094 + 0x4000 * GSI_EE_AP);
134 
135 REG(CNTXT_SRC_CH_IRQ_MSK, cntxt_src_ch_irq_msk,
136     0x0001f098 + 0x4000 * GSI_EE_AP);
137 
138 REG(CNTXT_SRC_EV_CH_IRQ_MSK, cntxt_src_ev_ch_irq_msk,
139     0x0001f09c + 0x4000 * GSI_EE_AP);
140 
141 REG(CNTXT_SRC_CH_IRQ_CLR, cntxt_src_ch_irq_clr,
142     0x0001f0a0 + 0x4000 * GSI_EE_AP);
143 
144 REG(CNTXT_SRC_EV_CH_IRQ_CLR, cntxt_src_ev_ch_irq_clr,
145     0x0001f0a4 + 0x4000 * GSI_EE_AP);
146 
147 REG(CNTXT_SRC_IEOB_IRQ, cntxt_src_ieob_irq, 0x0001f0b0 + 0x4000 * GSI_EE_AP);
148 
149 REG(CNTXT_SRC_IEOB_IRQ_MSK, cntxt_src_ieob_irq_msk,
150     0x0001f0b8 + 0x4000 * GSI_EE_AP);
151 
152 REG(CNTXT_SRC_IEOB_IRQ_CLR, cntxt_src_ieob_irq_clr,
153     0x0001f0c0 + 0x4000 * GSI_EE_AP);
154 
155 REG(CNTXT_GLOB_IRQ_STTS, cntxt_glob_irq_stts, 0x0001f100 + 0x4000 * GSI_EE_AP);
156 
157 REG(CNTXT_GLOB_IRQ_EN, cntxt_glob_irq_en, 0x0001f108 + 0x4000 * GSI_EE_AP);
158 
159 REG(CNTXT_GLOB_IRQ_CLR, cntxt_glob_irq_clr, 0x0001f110 + 0x4000 * GSI_EE_AP);
160 
161 REG(CNTXT_GSI_IRQ_STTS, cntxt_gsi_irq_stts, 0x0001f118 + 0x4000 * GSI_EE_AP);
162 
163 REG(CNTXT_GSI_IRQ_EN, cntxt_gsi_irq_en, 0x0001f120 + 0x4000 * GSI_EE_AP);
164 
165 REG(CNTXT_GSI_IRQ_CLR, cntxt_gsi_irq_clr, 0x0001f128 + 0x4000 * GSI_EE_AP);
166 
167 REG(CNTXT_INTSET, cntxt_intset, 0x0001f180 + 0x4000 * GSI_EE_AP);
168 
169 REG(CNTXT_SCRATCH_0, cntxt_scratch_0, 0x0001f400 + 0x4000 * GSI_EE_AP);
170 
171 static const struct reg *reg_array[] = {
172 	[INTER_EE_SRC_CH_IRQ_MSK]	= &reg_inter_ee_src_ch_irq_msk,
173 	[INTER_EE_SRC_EV_CH_IRQ_MSK]	= &reg_inter_ee_src_ev_ch_irq_msk,
174 	[CH_C_CNTXT_0]			= &reg_ch_c_cntxt_0,
175 	[CH_C_CNTXT_1]			= &reg_ch_c_cntxt_1,
176 	[CH_C_CNTXT_2]			= &reg_ch_c_cntxt_2,
177 	[CH_C_CNTXT_3]			= &reg_ch_c_cntxt_3,
178 	[CH_C_QOS]			= &reg_ch_c_qos,
179 	[CH_C_SCRATCH_0]		= &reg_ch_c_scratch_0,
180 	[CH_C_SCRATCH_1]		= &reg_ch_c_scratch_1,
181 	[CH_C_SCRATCH_2]		= &reg_ch_c_scratch_2,
182 	[CH_C_SCRATCH_3]		= &reg_ch_c_scratch_3,
183 	[EV_CH_E_CNTXT_0]		= &reg_ev_ch_e_cntxt_0,
184 	[EV_CH_E_CNTXT_1]		= &reg_ev_ch_e_cntxt_1,
185 	[EV_CH_E_CNTXT_2]		= &reg_ev_ch_e_cntxt_2,
186 	[EV_CH_E_CNTXT_3]		= &reg_ev_ch_e_cntxt_3,
187 	[EV_CH_E_CNTXT_4]		= &reg_ev_ch_e_cntxt_4,
188 	[EV_CH_E_CNTXT_8]		= &reg_ev_ch_e_cntxt_8,
189 	[EV_CH_E_CNTXT_9]		= &reg_ev_ch_e_cntxt_9,
190 	[EV_CH_E_CNTXT_10]		= &reg_ev_ch_e_cntxt_10,
191 	[EV_CH_E_CNTXT_11]		= &reg_ev_ch_e_cntxt_11,
192 	[EV_CH_E_CNTXT_12]		= &reg_ev_ch_e_cntxt_12,
193 	[EV_CH_E_CNTXT_13]		= &reg_ev_ch_e_cntxt_13,
194 	[EV_CH_E_SCRATCH_0]		= &reg_ev_ch_e_scratch_0,
195 	[EV_CH_E_SCRATCH_1]		= &reg_ev_ch_e_scratch_1,
196 	[CH_C_DOORBELL_0]		= &reg_ch_c_doorbell_0,
197 	[EV_CH_E_DOORBELL_0]		= &reg_ev_ch_e_doorbell_0,
198 	[GSI_STATUS]			= &reg_gsi_status,
199 	[CH_CMD]			= &reg_ch_cmd,
200 	[EV_CH_CMD]			= &reg_ev_ch_cmd,
201 	[GENERIC_CMD]			= &reg_generic_cmd,
202 	[CNTXT_TYPE_IRQ]		= &reg_cntxt_type_irq,
203 	[CNTXT_TYPE_IRQ_MSK]		= &reg_cntxt_type_irq_msk,
204 	[CNTXT_SRC_CH_IRQ]		= &reg_cntxt_src_ch_irq,
205 	[CNTXT_SRC_EV_CH_IRQ]		= &reg_cntxt_src_ev_ch_irq,
206 	[CNTXT_SRC_CH_IRQ_MSK]		= &reg_cntxt_src_ch_irq_msk,
207 	[CNTXT_SRC_EV_CH_IRQ_MSK]	= &reg_cntxt_src_ev_ch_irq_msk,
208 	[CNTXT_SRC_CH_IRQ_CLR]		= &reg_cntxt_src_ch_irq_clr,
209 	[CNTXT_SRC_EV_CH_IRQ_CLR]	= &reg_cntxt_src_ev_ch_irq_clr,
210 	[CNTXT_SRC_IEOB_IRQ]		= &reg_cntxt_src_ieob_irq,
211 	[CNTXT_SRC_IEOB_IRQ_MSK]	= &reg_cntxt_src_ieob_irq_msk,
212 	[CNTXT_SRC_IEOB_IRQ_CLR]	= &reg_cntxt_src_ieob_irq_clr,
213 	[CNTXT_GLOB_IRQ_STTS]		= &reg_cntxt_glob_irq_stts,
214 	[CNTXT_GLOB_IRQ_EN]		= &reg_cntxt_glob_irq_en,
215 	[CNTXT_GLOB_IRQ_CLR]		= &reg_cntxt_glob_irq_clr,
216 	[CNTXT_GSI_IRQ_STTS]		= &reg_cntxt_gsi_irq_stts,
217 	[CNTXT_GSI_IRQ_EN]		= &reg_cntxt_gsi_irq_en,
218 	[CNTXT_GSI_IRQ_CLR]		= &reg_cntxt_gsi_irq_clr,
219 	[CNTXT_INTSET]			= &reg_cntxt_intset,
220 	[ERROR_LOG]			= &reg_error_log,
221 	[ERROR_LOG_CLR]			= &reg_error_log_clr,
222 	[CNTXT_SCRATCH_0]		= &reg_cntxt_scratch_0,
223 };
224 
225 const struct regs gsi_regs_v3_1 = {
226 	.reg_count	= ARRAY_SIZE(reg_array),
227 	.reg		= reg_array,
228 };
229