1 /***********************license start***************
2 * Copyright (c) 2003-2010 Cavium Inc. ([email protected]). All rights
3 * reserved.
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * * Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials provided
16 * with the distribution.
17
18 * * Neither the name of Cavium Inc. nor the names of
19 * its contributors may be used to endorse or promote products
20 * derived from this software without specific prior written
21 * permission.
22
23 * This Software, including technical data, may be subject to U.S. export control
24 * laws, including the U.S. Export Administration Act and its associated
25 * regulations, and may be subject to export or import regulations in other
26 * countries.
27
28 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
29 * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
30 * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
31 * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
32 * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
33 * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
34 * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
35 * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
36 * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
37 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
38 ***********************license end**************************************/
39
40
41
42
43
44
45
46 /**
47 * @file
48 *
49 * File defining functions for working with different Octeon
50 * models.
51 *
52 * <hr>$Revision: 70030 $<hr>
53 */
54 #ifdef CVMX_BUILD_FOR_LINUX_KERNEL
55 #include <asm/octeon/octeon.h>
56 #include <asm/octeon/cvmx-clock.h>
57 #else
58 #include "cvmx.h"
59 #include "cvmx-pow.h"
60 #include "cvmx-warn.h"
61 #endif
62
63 #if defined(CVMX_BUILD_FOR_LINUX_USER) || defined(CVMX_BUILD_FOR_STANDALONE) || defined(CVMX_BUILD_FOR_FREEBSD_KERNEL)
64 #if !defined(CVMX_BUILD_FOR_FREEBSD_KERNEL)
65 #include <octeon-app-init.h>
66 #endif
67 #include "cvmx-sysinfo.h"
68
69 /**
70 * This function checks to see if the software is compatible with the
71 * chip it is running on. This is called in the application startup code
72 * and does not need to be called directly by the application.
73 * Does not return if software is incompatible, unless compiled for the
74 * FreeBSD kernel, in which case it returns -1.
75 *
76 * @param chip_id chip id that the software is being run on.
77 *
78 * @return 0: runtime checking or exact version match
79 * 1: chip is newer revision than compiled for, but software will run properly.
80 * -1: software is incompatible
81 */
octeon_model_version_check(uint32_t chip_id)82 int octeon_model_version_check(uint32_t chip_id __attribute__ ((unused)))
83 {
84 //printf("Model Number: %s\n", octeon_model_get_string(chip_id));
85 #if !OCTEON_IS_COMMON_BINARY()
86 /* Check for special case of mismarked 3005 samples, and adjust cpuid */
87 if (chip_id == OCTEON_CN3010_PASS1 && (cvmx_read_csr(0x80011800800007B8ull) & (1ull << 34)))
88 chip_id |= 0x10;
89
90 if ((OCTEON_MODEL & 0xffffff) != chip_id)
91 {
92 if (!OCTEON_IS_MODEL((OM_IGNORE_REVISION | chip_id)) || (OCTEON_MODEL & 0xffffff) > chip_id || (((OCTEON_MODEL & 0xffffff) ^ chip_id) & 0x10))
93 {
94 printf("ERROR: Software not configured for this chip\n"
95 " Expecting ID=0x%08x, Chip is 0x%08x\n", (OCTEON_MODEL & 0xffffff), (unsigned int)chip_id);
96 if ((OCTEON_MODEL & 0xffffff) > chip_id)
97 printf("Refusing to run on older revision than program was compiled for.\n");
98 #if !defined(CVMX_BUILD_FOR_FREEBSD_KERNEL)
99 exit(-1);
100 #else
101 return(-1);
102 #endif
103 }
104 else
105 {
106 printf("\n###################################################\n");
107 printf("WARNING: Software configured for older revision than running on.\n"
108 " Compiled for ID=0x%08x, Chip is 0x%08x\n", (OCTEON_MODEL & 0xffffff), (unsigned int)chip_id);
109 printf("###################################################\n\n");
110 return(1);
111 }
112 }
113 #endif
114
115 cvmx_warn_if(CVMX_ENABLE_PARAMETER_CHECKING, "Parameter checks are enabled. Expect some performance loss due to the extra checking\n");
116 cvmx_warn_if(CVMX_ENABLE_CSR_ADDRESS_CHECKING, "CSR address checks are enabled. Expect some performance loss due to the extra checking\n");
117 cvmx_warn_if(CVMX_ENABLE_POW_CHECKS, "POW state checks are enabled. Expect some performance loss due to the extra checking\n");
118
119 return(0);
120 }
121
122 #endif
123 /**
124 * Given the chip processor ID from COP0, this function returns a
125 * string representing the chip model number. The string is of the
126 * form CNXXXXpX.X-FREQ-SUFFIX.
127 * - XXXX = The chip model number
128 * - X.X = Chip pass number
129 * - FREQ = Current frequency in Mhz
130 * - SUFFIX = NSP, EXP, SCP, SSP, or CP
131 *
132 * @param chip_id Chip ID
133 *
134 * @return Model string
135 */
octeon_model_get_string(uint32_t chip_id)136 const char *octeon_model_get_string(uint32_t chip_id)
137 {
138 static char buffer[32];
139 return octeon_model_get_string_buffer(chip_id,buffer);
140 }
141
142 /* Version of octeon_model_get_string() that takes buffer as argument, as
143 ** running early in u-boot static/global variables don't work when running from
144 ** flash
145 */
octeon_model_get_string_buffer(uint32_t chip_id,char * buffer)146 const char *octeon_model_get_string_buffer(uint32_t chip_id, char * buffer)
147 {
148 const char * family;
149 const char * core_model;
150 char pass[4];
151 #ifndef CVMX_BUILD_FOR_UBOOT
152 int clock_mhz;
153 #endif
154 const char * suffix;
155 cvmx_l2d_fus3_t fus3;
156 int num_cores;
157 cvmx_mio_fus_dat2_t fus_dat2;
158 cvmx_mio_fus_dat3_t fus_dat3;
159 char fuse_model[10];
160 uint32_t fuse_data = 0;
161
162 fus3.u64 = 0;
163 if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN5XXX))
164 fus3.u64 = cvmx_read_csr(CVMX_L2D_FUS3);
165 fus_dat2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
166 fus_dat3.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT3);
167 num_cores = cvmx_pop(cvmx_read_csr(CVMX_CIU_FUSE));
168
169 /* Make sure the non existent devices look disabled */
170 switch ((chip_id >> 8) & 0xff)
171 {
172 case 6: /* CN50XX */
173 case 2: /* CN30XX */
174 fus_dat3.s.nodfa_dte = 1;
175 fus_dat3.s.nozip = 1;
176 break;
177 case 4: /* CN57XX or CN56XX */
178 fus_dat3.s.nodfa_dte = 1;
179 break;
180 default:
181 break;
182 }
183
184 /* Make a guess at the suffix */
185 /* NSP = everything */
186 /* EXP = No crypto */
187 /* SCP = No DFA, No zip */
188 /* CP = No DFA, No crypto, No zip */
189 if (fus_dat3.s.nodfa_dte)
190 {
191 if (fus_dat2.s.nocrypto)
192 suffix = "CP";
193 else
194 suffix = "SCP";
195 }
196 else if (fus_dat2.s.nocrypto)
197 suffix = "EXP";
198 else
199 suffix = "NSP";
200
201 /* Assume pass number is encoded using <5:3><2:0>. Exceptions will be
202 fixed later */
203 sprintf(pass, "%d.%d", (int)((chip_id>>3)&7)+1, (int)chip_id&7);
204
205 /* Use the number of cores to determine the last 2 digits of the model
206 number. There are some exceptions that are fixed later */
207 switch (num_cores)
208 {
209 case 32: core_model = "80"; break;
210 case 24: core_model = "70"; break;
211 case 16: core_model = "60"; break;
212 case 15: core_model = "58"; break;
213 case 14: core_model = "55"; break;
214 case 13: core_model = "52"; break;
215 case 12: core_model = "50"; break;
216 case 11: core_model = "48"; break;
217 case 10: core_model = "45"; break;
218 case 9: core_model = "42"; break;
219 case 8: core_model = "40"; break;
220 case 7: core_model = "38"; break;
221 case 6: core_model = "34"; break;
222 case 5: core_model = "32"; break;
223 case 4: core_model = "30"; break;
224 case 3: core_model = "25"; break;
225 case 2: core_model = "20"; break;
226 case 1: core_model = "10"; break;
227 default: core_model = "XX"; break;
228 }
229
230 /* Now figure out the family, the first two digits */
231 switch ((chip_id >> 8) & 0xff)
232 {
233 case 0: /* CN38XX, CN37XX or CN36XX */
234 if (fus3.cn38xx.crip_512k)
235 {
236 /* For some unknown reason, the 16 core one is called 37 instead of 36 */
237 if (num_cores >= 16)
238 family = "37";
239 else
240 family = "36";
241 }
242 else
243 family = "38";
244 /* This series of chips didn't follow the standard pass numbering */
245 switch (chip_id & 0xf)
246 {
247 case 0: strcpy(pass, "1.X"); break;
248 case 1: strcpy(pass, "2.X"); break;
249 case 3: strcpy(pass, "3.X"); break;
250 default:strcpy(pass, "X.X"); break;
251 }
252 break;
253 case 1: /* CN31XX or CN3020 */
254 if ((chip_id & 0x10) || fus3.cn31xx.crip_128k)
255 family = "30";
256 else
257 family = "31";
258 /* This series of chips didn't follow the standard pass numbering */
259 switch (chip_id & 0xf)
260 {
261 case 0: strcpy(pass, "1.0"); break;
262 case 2: strcpy(pass, "1.1"); break;
263 default:strcpy(pass, "X.X"); break;
264 }
265 break;
266 case 2: /* CN3010 or CN3005 */
267 family = "30";
268 /* A chip with half cache is an 05 */
269 if (fus3.cn30xx.crip_64k)
270 core_model = "05";
271 /* This series of chips didn't follow the standard pass numbering */
272 switch (chip_id & 0xf)
273 {
274 case 0: strcpy(pass, "1.0"); break;
275 case 2: strcpy(pass, "1.1"); break;
276 default:strcpy(pass, "X.X"); break;
277 }
278 break;
279 case 3: /* CN58XX */
280 family = "58";
281 /* Special case. 4 core, half cache (CP with half cache) */
282 if ((num_cores == 4) && fus3.cn58xx.crip_1024k && !strncmp(suffix, "CP", 2))
283 core_model = "29";
284
285 /* Pass 1 uses different encodings for pass numbers */
286 if ((chip_id & 0xFF)< 0x8)
287 {
288 switch (chip_id & 0x3)
289 {
290 case 0: strcpy(pass, "1.0"); break;
291 case 1: strcpy(pass, "1.1"); break;
292 case 3: strcpy(pass, "1.2"); break;
293 default:strcpy(pass, "1.X"); break;
294 }
295 }
296 break;
297 case 4: /* CN57XX, CN56XX, CN55XX, CN54XX */
298 if (fus_dat2.cn56xx.raid_en)
299 {
300 if (fus3.cn56xx.crip_1024k)
301 family = "55";
302 else
303 family = "57";
304 if (fus_dat2.cn56xx.nocrypto)
305 suffix = "SP";
306 else
307 suffix = "SSP";
308 }
309 else
310 {
311 if (fus_dat2.cn56xx.nocrypto)
312 suffix = "CP";
313 else
314 {
315 suffix = "NSP";
316 if (fus_dat3.s.nozip)
317 suffix = "SCP";
318
319 if (fus_dat3.s.bar2_en)
320 suffix = "NSPB2";
321 }
322 if (fus3.cn56xx.crip_1024k)
323 family = "54";
324 else
325 family = "56";
326 }
327 break;
328 case 6: /* CN50XX */
329 family = "50";
330 break;
331 case 7: /* CN52XX */
332 if (fus3.cn52xx.crip_256k)
333 family = "51";
334 else
335 family = "52";
336 break;
337 case 0x93: /* CN61XX */
338 family = "61";
339 if (fus_dat3.cn61xx.nozip)
340 suffix = "SCP";
341 else
342 suffix = "AAP";
343 break;
344 case 0x90: /* CN63XX */
345 family = "63";
346 if (fus_dat3.s.l2c_crip == 2)
347 family = "62";
348 if (num_cores == 6) /* Other core counts match generic */
349 core_model = "35";
350 if (fus_dat2.cn63xx.nocrypto)
351 suffix = "CP";
352 else if (fus_dat2.cn63xx.dorm_crypto)
353 suffix = "DAP";
354 else if (fus_dat3.cn63xx.nozip)
355 suffix = "SCP";
356 else
357 suffix = "AAP";
358 break;
359 case 0x92: /* CN66XX */
360 family = "66";
361 if (num_cores == 6) /* Other core counts match generic */
362 core_model = "35";
363 if (fus_dat2.cn66xx.nocrypto && fus_dat2.cn66xx.dorm_crypto)
364 suffix = "AP";
365 if (fus_dat2.cn66xx.nocrypto)
366 suffix = "CP";
367 else if (fus_dat2.cn66xx.dorm_crypto)
368 suffix = "DAP";
369 else if (fus_dat3.cn66xx.nozip && fus_dat2.cn66xx.raid_en)
370 suffix = "SCP";
371 else if (!fus_dat2.cn66xx.raid_en)
372 suffix = "HAP";
373 else
374 suffix = "AAP";
375 break;
376 case 0x91: /* CN68XX */
377 family = "68";
378 if (fus_dat2.cn68xx.nocrypto && fus_dat3.cn68xx.nozip)
379 suffix = "CP";
380 else if (fus_dat2.cn68xx.dorm_crypto)
381 suffix = "DAP";
382 else if (fus_dat3.cn68xx.nozip)
383 suffix = "SCP";
384 else if (fus_dat2.cn68xx.nocrypto)
385 suffix = "SP";
386 else if (!fus_dat2.cn68xx.raid_en)
387 suffix = "HAP";
388 else
389 suffix = "AAP";
390 break;
391 case 0x94: /* CNF71XX */
392 family = "F71";
393 if (fus_dat3.cnf71xx.nozip)
394 suffix = "SCP";
395 else
396 suffix = "AAP";
397 break;
398 default:
399 family = "XX";
400 core_model = "XX";
401 strcpy(pass, "X.X");
402 suffix = "XXX";
403 break;
404 }
405
406 #ifndef CVMX_BUILD_FOR_UBOOT
407 clock_mhz = cvmx_clock_get_rate(CVMX_CLOCK_RCLK) / 1000000;
408 #endif
409
410 if (family[0] != '3')
411 {
412 int fuse_base = 384/8;
413 if (family[0] == '6')
414 fuse_base = 832/8;
415
416 /* Check for model in fuses, overrides normal decode */
417 /* This is _not_ valid for Octeon CN3XXX models */
418 fuse_data |= cvmx_fuse_read_byte(fuse_base + 3);
419 fuse_data = fuse_data << 8;
420 fuse_data |= cvmx_fuse_read_byte(fuse_base + 2);
421 fuse_data = fuse_data << 8;
422 fuse_data |= cvmx_fuse_read_byte(fuse_base + 1);
423 fuse_data = fuse_data << 8;
424 fuse_data |= cvmx_fuse_read_byte(fuse_base);
425 if (fuse_data & 0x7ffff)
426 {
427 int model = fuse_data & 0x3fff;
428 int suffix = (fuse_data >> 14) & 0x1f;
429 if (suffix && model) /* Have both number and suffix in fuses, so both */
430 {
431 sprintf(fuse_model, "%d%c",model, 'A' + suffix - 1);
432 core_model = "";
433 family = fuse_model;
434 }
435 else if (suffix && !model) /* Only have suffix, so add suffix to 'normal' model number */
436 {
437 sprintf(fuse_model, "%s%c", core_model, 'A' + suffix - 1);
438 core_model = fuse_model;
439 }
440 else /* Don't have suffix, so just use model from fuses */
441 {
442 sprintf(fuse_model, "%d",model);
443 core_model = "";
444 family = fuse_model;
445 }
446 }
447 }
448 #ifdef CVMX_BUILD_FOR_UBOOT
449 sprintf(buffer, "CN%s%s-%s pass %s", family, core_model, suffix, pass);
450 #else
451 sprintf(buffer, "CN%s%sp%s-%d-%s", family, core_model, pass, clock_mhz, suffix);
452 #endif
453 return buffer;
454 }
455