xref: /openbmc/linux/drivers/spi/spi-cavium.h (revision 22cc1b6b)
1 /* MPI register descriptions */
2 
3 #define CVMX_MPI_CFG (CVMX_ADD_IO_SEG(0x0001070000001000ull))
4 #define CVMX_MPI_DATX(offset) (CVMX_ADD_IO_SEG(0x0001070000001080ull) + ((offset) & 15) * 8)
5 #define CVMX_MPI_STS (CVMX_ADD_IO_SEG(0x0001070000001008ull))
6 #define CVMX_MPI_TX (CVMX_ADD_IO_SEG(0x0001070000001010ull))
7 
8 union cvmx_mpi_cfg {
9 	uint64_t u64;
10 	struct cvmx_mpi_cfg_s {
11 #ifdef __BIG_ENDIAN_BITFIELD
12 		uint64_t reserved_29_63:35;
13 		uint64_t clkdiv:13;
14 		uint64_t csena3:1;
15 		uint64_t csena2:1;
16 		uint64_t csena1:1;
17 		uint64_t csena0:1;
18 		uint64_t cslate:1;
19 		uint64_t tritx:1;
20 		uint64_t idleclks:2;
21 		uint64_t cshi:1;
22 		uint64_t csena:1;
23 		uint64_t int_ena:1;
24 		uint64_t lsbfirst:1;
25 		uint64_t wireor:1;
26 		uint64_t clk_cont:1;
27 		uint64_t idlelo:1;
28 		uint64_t enable:1;
29 #else
30 		uint64_t enable:1;
31 		uint64_t idlelo:1;
32 		uint64_t clk_cont:1;
33 		uint64_t wireor:1;
34 		uint64_t lsbfirst:1;
35 		uint64_t int_ena:1;
36 		uint64_t csena:1;
37 		uint64_t cshi:1;
38 		uint64_t idleclks:2;
39 		uint64_t tritx:1;
40 		uint64_t cslate:1;
41 		uint64_t csena0:1;
42 		uint64_t csena1:1;
43 		uint64_t csena2:1;
44 		uint64_t csena3:1;
45 		uint64_t clkdiv:13;
46 		uint64_t reserved_29_63:35;
47 #endif
48 	} s;
49 	struct cvmx_mpi_cfg_cn30xx {
50 #ifdef __BIG_ENDIAN_BITFIELD
51 		uint64_t reserved_29_63:35;
52 		uint64_t clkdiv:13;
53 		uint64_t reserved_12_15:4;
54 		uint64_t cslate:1;
55 		uint64_t tritx:1;
56 		uint64_t idleclks:2;
57 		uint64_t cshi:1;
58 		uint64_t csena:1;
59 		uint64_t int_ena:1;
60 		uint64_t lsbfirst:1;
61 		uint64_t wireor:1;
62 		uint64_t clk_cont:1;
63 		uint64_t idlelo:1;
64 		uint64_t enable:1;
65 #else
66 		uint64_t enable:1;
67 		uint64_t idlelo:1;
68 		uint64_t clk_cont:1;
69 		uint64_t wireor:1;
70 		uint64_t lsbfirst:1;
71 		uint64_t int_ena:1;
72 		uint64_t csena:1;
73 		uint64_t cshi:1;
74 		uint64_t idleclks:2;
75 		uint64_t tritx:1;
76 		uint64_t cslate:1;
77 		uint64_t reserved_12_15:4;
78 		uint64_t clkdiv:13;
79 		uint64_t reserved_29_63:35;
80 #endif
81 	} cn30xx;
82 	struct cvmx_mpi_cfg_cn31xx {
83 #ifdef __BIG_ENDIAN_BITFIELD
84 		uint64_t reserved_29_63:35;
85 		uint64_t clkdiv:13;
86 		uint64_t reserved_11_15:5;
87 		uint64_t tritx:1;
88 		uint64_t idleclks:2;
89 		uint64_t cshi:1;
90 		uint64_t csena:1;
91 		uint64_t int_ena:1;
92 		uint64_t lsbfirst:1;
93 		uint64_t wireor:1;
94 		uint64_t clk_cont:1;
95 		uint64_t idlelo:1;
96 		uint64_t enable:1;
97 #else
98 		uint64_t enable:1;
99 		uint64_t idlelo:1;
100 		uint64_t clk_cont:1;
101 		uint64_t wireor:1;
102 		uint64_t lsbfirst:1;
103 		uint64_t int_ena:1;
104 		uint64_t csena:1;
105 		uint64_t cshi:1;
106 		uint64_t idleclks:2;
107 		uint64_t tritx:1;
108 		uint64_t reserved_11_15:5;
109 		uint64_t clkdiv:13;
110 		uint64_t reserved_29_63:35;
111 #endif
112 	} cn31xx;
113 	struct cvmx_mpi_cfg_cn30xx cn50xx;
114 	struct cvmx_mpi_cfg_cn61xx {
115 #ifdef __BIG_ENDIAN_BITFIELD
116 		uint64_t reserved_29_63:35;
117 		uint64_t clkdiv:13;
118 		uint64_t reserved_14_15:2;
119 		uint64_t csena1:1;
120 		uint64_t csena0:1;
121 		uint64_t cslate:1;
122 		uint64_t tritx:1;
123 		uint64_t idleclks:2;
124 		uint64_t cshi:1;
125 		uint64_t reserved_6_6:1;
126 		uint64_t int_ena:1;
127 		uint64_t lsbfirst:1;
128 		uint64_t wireor:1;
129 		uint64_t clk_cont:1;
130 		uint64_t idlelo:1;
131 		uint64_t enable:1;
132 #else
133 		uint64_t enable:1;
134 		uint64_t idlelo:1;
135 		uint64_t clk_cont:1;
136 		uint64_t wireor:1;
137 		uint64_t lsbfirst:1;
138 		uint64_t int_ena:1;
139 		uint64_t reserved_6_6:1;
140 		uint64_t cshi:1;
141 		uint64_t idleclks:2;
142 		uint64_t tritx:1;
143 		uint64_t cslate:1;
144 		uint64_t csena0:1;
145 		uint64_t csena1:1;
146 		uint64_t reserved_14_15:2;
147 		uint64_t clkdiv:13;
148 		uint64_t reserved_29_63:35;
149 #endif
150 	} cn61xx;
151 	struct cvmx_mpi_cfg_cn66xx {
152 #ifdef __BIG_ENDIAN_BITFIELD
153 		uint64_t reserved_29_63:35;
154 		uint64_t clkdiv:13;
155 		uint64_t csena3:1;
156 		uint64_t csena2:1;
157 		uint64_t reserved_12_13:2;
158 		uint64_t cslate:1;
159 		uint64_t tritx:1;
160 		uint64_t idleclks:2;
161 		uint64_t cshi:1;
162 		uint64_t reserved_6_6:1;
163 		uint64_t int_ena:1;
164 		uint64_t lsbfirst:1;
165 		uint64_t wireor:1;
166 		uint64_t clk_cont:1;
167 		uint64_t idlelo:1;
168 		uint64_t enable:1;
169 #else
170 		uint64_t enable:1;
171 		uint64_t idlelo:1;
172 		uint64_t clk_cont:1;
173 		uint64_t wireor:1;
174 		uint64_t lsbfirst:1;
175 		uint64_t int_ena:1;
176 		uint64_t reserved_6_6:1;
177 		uint64_t cshi:1;
178 		uint64_t idleclks:2;
179 		uint64_t tritx:1;
180 		uint64_t cslate:1;
181 		uint64_t reserved_12_13:2;
182 		uint64_t csena2:1;
183 		uint64_t csena3:1;
184 		uint64_t clkdiv:13;
185 		uint64_t reserved_29_63:35;
186 #endif
187 	} cn66xx;
188 	struct cvmx_mpi_cfg_cn61xx cnf71xx;
189 };
190 
191 union cvmx_mpi_datx {
192 	uint64_t u64;
193 	struct cvmx_mpi_datx_s {
194 #ifdef __BIG_ENDIAN_BITFIELD
195 		uint64_t reserved_8_63:56;
196 		uint64_t data:8;
197 #else
198 		uint64_t data:8;
199 		uint64_t reserved_8_63:56;
200 #endif
201 	} s;
202 	struct cvmx_mpi_datx_s cn30xx;
203 	struct cvmx_mpi_datx_s cn31xx;
204 	struct cvmx_mpi_datx_s cn50xx;
205 	struct cvmx_mpi_datx_s cn61xx;
206 	struct cvmx_mpi_datx_s cn66xx;
207 	struct cvmx_mpi_datx_s cnf71xx;
208 };
209 
210 union cvmx_mpi_sts {
211 	uint64_t u64;
212 	struct cvmx_mpi_sts_s {
213 #ifdef __BIG_ENDIAN_BITFIELD
214 		uint64_t reserved_13_63:51;
215 		uint64_t rxnum:5;
216 		uint64_t reserved_1_7:7;
217 		uint64_t busy:1;
218 #else
219 		uint64_t busy:1;
220 		uint64_t reserved_1_7:7;
221 		uint64_t rxnum:5;
222 		uint64_t reserved_13_63:51;
223 #endif
224 	} s;
225 	struct cvmx_mpi_sts_s cn30xx;
226 	struct cvmx_mpi_sts_s cn31xx;
227 	struct cvmx_mpi_sts_s cn50xx;
228 	struct cvmx_mpi_sts_s cn61xx;
229 	struct cvmx_mpi_sts_s cn66xx;
230 	struct cvmx_mpi_sts_s cnf71xx;
231 };
232 
233 union cvmx_mpi_tx {
234 	uint64_t u64;
235 	struct cvmx_mpi_tx_s {
236 #ifdef __BIG_ENDIAN_BITFIELD
237 		uint64_t reserved_22_63:42;
238 		uint64_t csid:2;
239 		uint64_t reserved_17_19:3;
240 		uint64_t leavecs:1;
241 		uint64_t reserved_13_15:3;
242 		uint64_t txnum:5;
243 		uint64_t reserved_5_7:3;
244 		uint64_t totnum:5;
245 #else
246 		uint64_t totnum:5;
247 		uint64_t reserved_5_7:3;
248 		uint64_t txnum:5;
249 		uint64_t reserved_13_15:3;
250 		uint64_t leavecs:1;
251 		uint64_t reserved_17_19:3;
252 		uint64_t csid:2;
253 		uint64_t reserved_22_63:42;
254 #endif
255 	} s;
256 	struct cvmx_mpi_tx_cn30xx {
257 #ifdef __BIG_ENDIAN_BITFIELD
258 		uint64_t reserved_17_63:47;
259 		uint64_t leavecs:1;
260 		uint64_t reserved_13_15:3;
261 		uint64_t txnum:5;
262 		uint64_t reserved_5_7:3;
263 		uint64_t totnum:5;
264 #else
265 		uint64_t totnum:5;
266 		uint64_t reserved_5_7:3;
267 		uint64_t txnum:5;
268 		uint64_t reserved_13_15:3;
269 		uint64_t leavecs:1;
270 		uint64_t reserved_17_63:47;
271 #endif
272 	} cn30xx;
273 	struct cvmx_mpi_tx_cn30xx cn31xx;
274 	struct cvmx_mpi_tx_cn30xx cn50xx;
275 	struct cvmx_mpi_tx_cn61xx {
276 #ifdef __BIG_ENDIAN_BITFIELD
277 		uint64_t reserved_21_63:43;
278 		uint64_t csid:1;
279 		uint64_t reserved_17_19:3;
280 		uint64_t leavecs:1;
281 		uint64_t reserved_13_15:3;
282 		uint64_t txnum:5;
283 		uint64_t reserved_5_7:3;
284 		uint64_t totnum:5;
285 #else
286 		uint64_t totnum:5;
287 		uint64_t reserved_5_7:3;
288 		uint64_t txnum:5;
289 		uint64_t reserved_13_15:3;
290 		uint64_t leavecs:1;
291 		uint64_t reserved_17_19:3;
292 		uint64_t csid:1;
293 		uint64_t reserved_21_63:43;
294 #endif
295 	} cn61xx;
296 	struct cvmx_mpi_tx_s cn66xx;
297 	struct cvmx_mpi_tx_cn61xx cnf71xx;
298 };
299