1/***********************license start*************** 2 * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). 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 */ 82int 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 */ 136const 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*/ 146const 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