aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/include/asm/octeon/octeon-model.h
blob: 700f88e31cad8a14b5a10741dc5b5c369bc75e27 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
/***********************license start***************
 * Author: Cavium Networks
 *
 * Contact: support@caviumnetworks.com
 * This file is part of the OCTEON SDK
 *
 * Copyright (c) 2003-2008 Cavium Networks
 *
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, Version 2, as
 * published by the Free Software Foundation.
 *
 * This file is distributed in the hope that it will be useful, but
 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
 * NONINFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this file; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 * or visit http://www.gnu.org/licenses/.
 *
 * This file may also be available under a different license from Cavium.
 * Contact Cavium Networks for more information
 ***********************license end**************************************/

/*
 *
 * File defining different Octeon model IDs and macros to
 * compare them.
 *
 */

#ifndef __OCTEON_MODEL_H__
#define __OCTEON_MODEL_H__

/*
 * The defines below should be used with the OCTEON_IS_MODEL() macro
 * to determine what model of chip the software is running on.  Models
 * ending in 'XX' match multiple models (families), while specific
 * models match only that model.  If a pass (revision) is specified,
 * then only that revision will be matched.  Care should be taken when
 * checking for both specific models and families that the specific
 * models are checked for first.  While these defines are similar to
 * the processor ID, they are not intended to be used by anything
 * other that the OCTEON_IS_MODEL framework, and the values are
 * subject to change at anytime without notice.
 *
 * NOTE: only the OCTEON_IS_MODEL() macro/function and the OCTEON_CN*
 * macros should be used outside of this file.  All other macros are
 * for internal use only, and may change without notice.
 */

/* Flag bits in top byte */
/* Ignores revision in model checks */
#define OM_IGNORE_REVISION        0x01000000
/* Check submodels */
#define OM_CHECK_SUBMODEL         0x02000000
/* Match all models previous than the one specified */
#define OM_MATCH_PREVIOUS_MODELS  0x04000000
/* Ignores the minor revison on newer parts */
#define OM_IGNORE_MINOR_REVISION  0x08000000
#define OM_FLAG_MASK              0xff000000

#define OM_MATCH_5XXX_FAMILY_MODELS     0x20000000 /* Match all cn5XXX Octeon models. */
#define OM_MATCH_6XXX_FAMILY_MODELS     0x40000000 /* Match all cn6XXX Octeon models. */

/*
 * CN6XXX models with new revision encoding
 */
#define OCTEON_CN63XX_PASS1_0   0x000d9000
#define OCTEON_CN63XX_PASS1_1   0x000d9001
#define OCTEON_CN63XX_PASS1_2   0x000d9002
#define OCTEON_CN63XX_PASS2_0   0x000d9008

#define OCTEON_CN63XX           (OCTEON_CN63XX_PASS2_0 | OM_IGNORE_REVISION)
#define OCTEON_CN63XX_PASS1_X   (OCTEON_CN63XX_PASS1_0 | OM_IGNORE_MINOR_REVISION)
#define OCTEON_CN63XX_PASS2_X   (OCTEON_CN63XX_PASS2_0 | OM_IGNORE_MINOR_REVISION)

/*
 * CN5XXX models with new revision encoding
 */
#define OCTEON_CN58XX_PASS1_0   0x000d0300
#define OCTEON_CN58XX_PASS1_1   0x000d0301
#define OCTEON_CN58XX_PASS1_2   0x000d0303
#define OCTEON_CN58XX_PASS2_0   0x000d0308
#define OCTEON_CN58XX_PASS2_1   0x000d0309
#define OCTEON_CN58XX_PASS2_2   0x000d030a
#define OCTEON_CN58XX_PASS2_3   0x000d030b

#define OCTEON_CN58XX           (OCTEON_CN58XX_PASS1_0 | OM_IGNORE_REVISION)
#define OCTEON_CN58XX_PASS1_X   (OCTEON_CN58XX_PASS1_0 \
				 | OM_IGNORE_MINOR_REVISION)
#define OCTEON_CN58XX_PASS2_X   (OCTEON_CN58XX_PASS2_0 \
				 | OM_IGNORE_MINOR_REVISION)
#define OCTEON_CN58XX_PASS1     OCTEON_CN58XX_PASS1_X
#define OCTEON_CN58XX_PASS2     OCTEON_CN58XX_PASS2_X

#define OCTEON_CN56XX_PASS1_0   0x000d0400
#define OCTEON_CN56XX_PASS1_1   0x000d0401
#define OCTEON_CN56XX_PASS2_0   0x000d0408
#define OCTEON_CN56XX_PASS2_1   0x000d0409

#define OCTEON_CN56XX           (OCTEON_CN56XX_PASS2_0 | OM_IGNORE_REVISION)
#define OCTEON_CN56XX_PASS1_X   (OCTEON_CN56XX_PASS1_0 \
				 | OM_IGNORE_MINOR_REVISION)
#define OCTEON_CN56XX_PASS2_X   (OCTEON_CN56XX_PASS2_0 \
				 | OM_IGNORE_MINOR_REVISION)
#define OCTEON_CN56XX_PASS1     OCTEON_CN56XX_PASS1_X
#define OCTEON_CN56XX_PASS2     OCTEON_CN56XX_PASS2_X

#define OCTEON_CN57XX           OCTEON_CN56XX
#define OCTEON_CN57XX_PASS1     OCTEON_CN56XX_PASS1
#define OCTEON_CN57XX_PASS2     OCTEON_CN56XX_PASS2

#define OCTEON_CN55XX           OCTEON_CN56XX
#define OCTEON_CN55XX_PASS1     OCTEON_CN56XX_PASS1
#define OCTEON_CN55XX_PASS2     OCTEON_CN56XX_PASS2

#define OCTEON_CN54XX           OCTEON_CN56XX
#define OCTEON_CN54XX_PASS1     OCTEON_CN56XX_PASS1
#define OCTEON_CN54XX_PASS2     OCTEON_CN56XX_PASS2

#define OCTEON_CN50XX_PASS1_0   0x000d0600

#define OCTEON_CN50XX           (OCTEON_CN50XX_PASS1_0 | OM_IGNORE_REVISION)
#define OCTEON_CN50XX_PASS1_X   (OCTEON_CN50XX_PASS1_0 \
				 | OM_IGNORE_MINOR_REVISION)
#define OCTEON_CN50XX_PASS1     OCTEON_CN50XX_PASS1_X

/*
 * NOTE: Octeon CN5000F model is not identifiable using the
 * OCTEON_IS_MODEL() functions, but are treated as CN50XX.
 */

#define OCTEON_CN52XX_PASS1_0   0x000d0700
#define OCTEON_CN52XX_PASS2_0   0x000d0708

#define OCTEON_CN52XX           (OCTEON_CN52XX_PASS2_0 | OM_IGNORE_REVISION)
#define OCTEON_CN52XX_PASS1_X   (OCTEON_CN52XX_PASS1_0 \
				 | OM_IGNORE_MINOR_REVISION)
#define OCTEON_CN52XX_PASS2_X   (OCTEON_CN52XX_PASS2_0 \
				 | OM_IGNORE_MINOR_REVISION)
#define OCTEON_CN52XX_PASS1     OCTEON_CN52XX_PASS1_X
#define OCTEON_CN52XX_PASS2     OCTEON_CN52XX_PASS2_X

/*
 * CN3XXX models with old revision enconding
 */
#define OCTEON_CN38XX_PASS1     0x000d0000
#define OCTEON_CN38XX_PASS2     0x000d0001
#define OCTEON_CN38XX_PASS3     0x000d0003
#define OCTEON_CN38XX           (OCTEON_CN38XX_PASS3 | OM_IGNORE_REVISION)

#define OCTEON_CN36XX           OCTEON_CN38XX
#define OCTEON_CN36XX_PASS2     OCTEON_CN38XX_PASS2
#define OCTEON_CN36XX_PASS3     OCTEON_CN38XX_PASS3

/* The OCTEON_CN31XX matches CN31XX models and the CN3020 */
#define OCTEON_CN31XX_PASS1     0x000d0100
#define OCTEON_CN31XX_PASS1_1   0x000d0102
#define OCTEON_CN31XX           (OCTEON_CN31XX_PASS1 | OM_IGNORE_REVISION)

/*
 * This model is only used for internal checks, it is not a valid
 * model for the OCTEON_MODEL environment variable.  This matches the
 * CN3010 and CN3005 but NOT the CN3020.
 */
#define OCTEON_CN30XX_PASS1     0x000d0200
#define OCTEON_CN30XX_PASS1_1   0x000d0202
#define OCTEON_CN30XX           (OCTEON_CN30XX_PASS1 | OM_IGNORE_REVISION)

#define OCTEON_CN3005_PASS1     (0x000d0210 | OM_CHECK_SUBMODEL)
#define OCTEON_CN3005_PASS1_0   (0x000d0210 | OM_CHECK_SUBMODEL)
#define OCTEON_CN3005_PASS1_1   (0x000d0212 | OM_CHECK_SUBMODEL)
#define OCTEON_CN3005           (OCTEON_CN3005_PASS1 | OM_IGNORE_REVISION \
				 | OM_CHECK_SUBMODEL)

#define OCTEON_CN3010_PASS1     (0x000d0200 | OM_CHECK_SUBMODEL)
#define OCTEON_CN3010_PASS1_0   (0x000d0200 | OM_CHECK_SUBMODEL)
#define OCTEON_CN3010_PASS1_1   (0x000d0202 | OM_CHECK_SUBMODEL)
#define OCTEON_CN3010           (OCTEON_CN3010_PASS1 | OM_IGNORE_REVISION \
				 | OM_CHECK_SUBMODEL)

#define OCTEON_CN3020_PASS1     (0x000d0110 | OM_CHECK_SUBMODEL)
#define OCTEON_CN3020_PASS1_0   (0x000d0110 | OM_CHECK_SUBMODEL)
#define OCTEON_CN3020_PASS1_1   (0x000d0112 | OM_CHECK_SUBMODEL)
#define OCTEON_CN3020           (OCTEON_CN3020_PASS1 | OM_IGNORE_REVISION \
				 | OM_CHECK_SUBMODEL)



/* This matches the complete family of CN3xxx CPUs, and not subsequent models */
#define OCTEON_CN3XXX           (OCTEON_CN58XX_PASS1_0 \
				 | OM_MATCH_PREVIOUS_MODELS \
				 | OM_IGNORE_REVISION)

#define OCTEON_CN5XXX           (OCTEON_CN58XX_PASS1_0 | OM_MATCH_5XXX_FAMILY_MODELS)
#define OCTEON_CN6XXX           (OCTEON_CN63XX_PASS1_0 | OM_MATCH_6XXX_FAMILY_MODELS)

/* The revision byte (low byte) has two different encodings.
 * CN3XXX:
 *
 *     bits
 *     <7:5>: reserved (0)
 *     <4>:   alternate package
 *     <3:0>: revision
 *
 * CN5XXX:
 *
 *     bits
 *     <7>:   reserved (0)
 *     <6>:   alternate package
 *     <5:3>: major revision
 *     <2:0>: minor revision
 *
 */

/* Masks used for the various types of model/family/revision matching */
#define OCTEON_38XX_FAMILY_MASK      0x00ffff00
#define OCTEON_38XX_FAMILY_REV_MASK  0x00ffff0f
#define OCTEON_38XX_MODEL_MASK       0x00ffff10
#define OCTEON_38XX_MODEL_REV_MASK   (OCTEON_38XX_FAMILY_REV_MASK \
				      | OCTEON_38XX_MODEL_MASK)

/* CN5XXX and later use different layout of bits in the revision ID field */
#define OCTEON_58XX_FAMILY_MASK      OCTEON_38XX_FAMILY_MASK
#define OCTEON_58XX_FAMILY_REV_MASK  0x00ffff3f
#define OCTEON_58XX_MODEL_MASK       0x00ffffc0
#define OCTEON_58XX_MODEL_REV_MASK   (OCTEON_58XX_FAMILY_REV_MASK \
				      | OCTEON_58XX_MODEL_MASK)
#define OCTEON_58XX_MODEL_MINOR_REV_MASK (OCTEON_58XX_MODEL_REV_MASK \
					  & 0x00fffff8)
#define OCTEON_5XXX_MODEL_MASK       0x00ff0fc0

#define __OCTEON_MATCH_MASK__(x, y, z) (((x) & (z)) == ((y) & (z)))

/* NOTE: This is for internal (to this file) use only. */
static inline int __OCTEON_IS_MODEL_COMPILE__(uint32_t arg_model,
					      uint32_t chip_model)
{
	uint32_t rev_and_sub = OM_IGNORE_REVISION | OM_CHECK_SUBMODEL;

	if ((arg_model & OCTEON_38XX_FAMILY_MASK) < OCTEON_CN58XX_PASS1_0) {
		if (((arg_model & OM_FLAG_MASK) == rev_and_sub) &&
		    __OCTEON_MATCH_MASK__(chip_model, arg_model,
					  OCTEON_38XX_MODEL_MASK))
			return 1;
		if (((arg_model & OM_FLAG_MASK) == 0) &&
		    __OCTEON_MATCH_MASK__(chip_model, arg_model,
					  OCTEON_38XX_FAMILY_REV_MASK))
			return 1;
		if (((arg_model & OM_FLAG_MASK) == OM_IGNORE_REVISION) &&
		    __OCTEON_MATCH_MASK__(chip_model, arg_model,
					  OCTEON_38XX_FAMILY_MASK))
			return 1;
		if (((arg_model & OM_FLAG_MASK) == OM_CHECK_SUBMODEL) &&
		    __OCTEON_MATCH_MASK__((chip_model), (arg_model),
					  OCTEON_38XX_MODEL_REV_MASK))
			return 1;
		if ((arg_model & OM_MATCH_PREVIOUS_MODELS) &&
		    ((chip_model & OCTEON_38XX_MODEL_MASK) <
			    (arg_model & OCTEON_38XX_MODEL_MASK)))
			return 1;
	} else {
		if (((arg_model & OM_FLAG_MASK) == rev_and_sub) &&
		    __OCTEON_MATCH_MASK__((chip_model), (arg_model),
					  OCTEON_58XX_MODEL_MASK))
			return 1;
		if (((arg_model & OM_FLAG_MASK) == 0) &&
		    __OCTEON_MATCH_MASK__((chip_model), (arg_model),
					  OCTEON_58XX_FAMILY_REV_MASK))
			return 1;
		if (((arg_model & OM_FLAG_MASK) == OM_IGNORE_MINOR_REVISION) &&
		    __OCTEON_MATCH_MASK__((chip_model), (arg_model),
					  OCTEON_58XX_MODEL_MINOR_REV_MASK))
			return 1;
		if (((arg_model & OM_FLAG_MASK) == OM_IGNORE_REVISION) &&
		    __OCTEON_MATCH_MASK__((chip_model), (arg_model),
					  OCTEON_58XX_FAMILY_MASK))
			return 1;
		if (((arg_model & OM_FLAG_MASK) == OM_CHECK_SUBMODEL) &&
		    __OCTEON_MATCH_MASK__((chip_model), (arg_model),
					  OCTEON_58XX_MODEL_REV_MASK))
			return 1;

		if (((arg_model & OM_MATCH_5XXX_FAMILY_MODELS) == OM_MATCH_5XXX_FAMILY_MODELS) &&
		    ((chip_model) >= OCTEON_CN58XX_PASS1_0) && ((chip_model) < OCTEON_CN63XX_PASS1_0))
			return 1;

		if (((arg_model & OM_MATCH_6XXX_FAMILY_MODELS) == OM_MATCH_6XXX_FAMILY_MODELS) &&
		    ((chip_model) >= OCTEON_CN63XX_PASS1_0))
			return 1;

		if ((arg_model & OM_MATCH_PREVIOUS_MODELS) &&
		    ((chip_model & OCTEON_58XX_MODEL_MASK) <
			    (arg_model & OCTEON_58XX_MODEL_MASK)))
			return 1;
	}
	return 0;
}

/* forward declarations */
static inline uint32_t cvmx_get_proc_id(void) __attribute__ ((pure));
static inline uint64_t cvmx_read_csr(uint64_t csr_addr);

/* NOTE: This for internal use only!!!!! */
static inline int __octeon_is_model_runtime__(uint32_t model)
{
	uint32_t cpuid = cvmx_get_proc_id();

	/*
	 * Check for special case of mismarked 3005 samples. We only
	 * need to check if the sub model isn't being ignored.
	 */
	if ((model & OM_CHECK_SUBMODEL) == OM_CHECK_SUBMODEL) {
		if (cpuid == OCTEON_CN3010_PASS1 \
		    && (cvmx_read_csr(0x80011800800007B8ull) & (1ull << 34)))
			cpuid |= 0x10;
	}
	return __OCTEON_IS_MODEL_COMPILE__(model, cpuid);
}

/*
 * The OCTEON_IS_MODEL macro should be used for all Octeon model
 * checking done in a program.  This should be kept runtime if at all
 * possible.  Any compile time (#if OCTEON_IS_MODEL) usage must be
 * condtionalized with OCTEON_IS_COMMON_BINARY() if runtime checking
 * support is required.
 */
#define OCTEON_IS_MODEL(x) __octeon_is_model_runtime__(x)
#define OCTEON_IS_COMMON_BINARY() 1
#undef OCTEON_MODEL

const char *octeon_model_get_string(uint32_t chip_id);
const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer);

#include "octeon-feature.h"

#endif /* __OCTEON_MODEL_H__ */