1 /***********************license start***************
2 * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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.
18 * * Neither the name of Cavium Networks nor the names of
19 * its contributors may be used to endorse or promote products
20 * derived from this software without specific prior written
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
28 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
29 * AND WITH ALL FAULTS AND CAVIUM NETWORKS 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**************************************/
49 * File defining functions for working with different Octeon
52 * <hr>$Revision: 49922 $<hr>
54 #ifdef CVMX_BUILD_FOR_LINUX_KERNEL
55 #include <asm/octeon/octeon.h>
56 #include <asm/octeon/cvmx-clock.h>
60 #include "cvmx-warn.h"
63 #if defined(CVMX_BUILD_FOR_LINUX_USER) || defined(CVMX_BUILD_FOR_STANDALONE)
64 #include <octeon-app-init.h>
65 #include "cvmx-sysinfo.h"
68 * This function checks to see if the software is compatible with the
69 * chip it is running on. This is called in the application startup code
70 * and does not need to be called directly by the application.
71 * Does not return if software is incompatible.
73 * @param chip_id chip id that the software is being run on.
75 * @return 0: runtime checking or exact version match
76 * 1: chip is newer revision than compiled for, but software will run properly.
78 int octeon_model_version_check(uint32_t chip_id)
80 //printf("Model Number: %s\n", octeon_model_get_string(chip_id));
81 #if !OCTEON_IS_COMMON_BINARY()
82 /* Check for special case of mismarked 3005 samples, and adjust cpuid */
83 if (chip_id == OCTEON_CN3010_PASS1 && (cvmx_read_csr(0x80011800800007B8ull) & (1ull << 34)))
86 if ((OCTEON_MODEL & 0xffffff) != chip_id)
88 if (!OCTEON_IS_MODEL((OM_IGNORE_REVISION | chip_id)) || (OCTEON_MODEL & 0xffffff) > chip_id || (((OCTEON_MODEL & 0xffffff) ^ chip_id) & 0x10))
90 printf("ERROR: Software not configured for this chip\n"
91 " Expecting ID=0x%08x, Chip is 0x%08x\n", (OCTEON_MODEL & 0xffffff), (unsigned int)chip_id);
92 if ((OCTEON_MODEL & 0xffffff) > chip_id)
93 printf("Refusing to run on older revision than program was compiled for.\n");
98 printf("\n###################################################\n");
99 printf("WARNING: Software configured for older revision than running on.\n"
100 " Compiled for ID=0x%08x, Chip is 0x%08x\n", (OCTEON_MODEL & 0xffffff), (unsigned int)chip_id);
101 printf("###################################################\n\n");
107 cvmx_warn_if(CVMX_ENABLE_PARAMETER_CHECKING, "Parameter checks are enabled. Expect some performance loss due to the extra checking\n");
108 cvmx_warn_if(CVMX_ENABLE_CSR_ADDRESS_CHECKING, "CSR address checks are enabled. Expect some performance loss due to the extra checking\n");
109 cvmx_warn_if(CVMX_ENABLE_POW_CHECKS, "POW state checks are enabled. Expect some performance loss due to the extra checking\n");
111 /* Core-14449 errata check. Generate a warning message if application
112 compiled for OcteonPlus/Octeon models are run on Octeon II Pass1 chip */
119 "pref_errata:\tpref 0,0($zero)\n" \
120 "lw %0, pref_errata\n" \
121 ".set pop" : "=r" (insn) : : "memory");
123 if (OCTEON_IS_MODEL(OCTEON_CN63XX_PASS1_X) && ((insn >> 16) & 0x1f) != 28)
125 printf("\n###################################################\n");
126 printf("WARNING: Application not compiled for cn63xx pass1.x chips, use of\n"
127 " certain prefetch operations can cause dcache corruption.\n");
128 printf("###################################################\n\n");
131 else if (!OCTEON_IS_MODEL(OCTEON_CN63XX) && ((insn >> 16) & 0x1f) == 28)
133 printf("\n###################################################\n");
134 printf("WARNING: Software configured with -mfix-cn63xxp1 (Core-14449 errata), expect some performance loss.\n");
135 printf("###################################################\n\n");
143 * Given the chip processor ID from COP0, this function returns a
144 * string representing the chip model number. The string is of the
145 * form CNXXXXpX.X-FREQ-SUFFIX.
146 * - XXXX = The chip model number
147 * - X.X = Chip pass number
148 * - FREQ = Current frequency in Mhz
149 * - SUFFIX = NSP, EXP, SCP, SSP, or CP
151 * @param chip_id Chip ID
153 * @return Model string
155 const char *octeon_model_get_string(uint32_t chip_id)
157 static char buffer[32];
158 return octeon_model_get_string_buffer(chip_id,buffer);
161 /* Version of octeon_model_get_string() that takes buffer as argument, as
162 ** running early in u-boot static/global variables don't work when running from
165 const char *octeon_model_get_string_buffer(uint32_t chip_id, char * buffer)
168 const char * core_model;
172 cvmx_l2d_fus3_t fus3;
174 cvmx_mio_fus_dat2_t fus_dat2;
175 cvmx_mio_fus_dat3_t fus_dat3;
177 uint32_t fuse_data = 0;
179 if (!OCTEON_IS_MODEL(OCTEON_CN6XXX))
180 fus3.u64 = cvmx_read_csr(CVMX_L2D_FUS3);
181 fus_dat2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
182 fus_dat3.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT3);
183 num_cores = cvmx_pop(cvmx_read_csr(CVMX_CIU_FUSE));
185 /* Make sure the non existant devices look disabled */
186 switch ((chip_id >> 8) & 0xff)
190 fus_dat3.s.nodfa_dte = 1;
191 fus_dat3.s.nozip = 1;
193 case 4: /* CN57XX or CN56XX */
194 fus_dat3.s.nodfa_dte = 1;
200 /* Make a guess at the suffix */
201 /* NSP = everything */
202 /* EXP = No crypto */
203 /* SCP = No DFA, No zip */
204 /* CP = No DFA, No crypto, No zip */
205 if (fus_dat3.s.nodfa_dte)
207 if (fus_dat2.s.nocrypto)
212 else if (fus_dat2.s.nocrypto)
217 /* Assume pass number is encoded using <5:3><2:0>. Exceptions will be
219 sprintf(pass, "%d.%d", (int)((chip_id>>3)&7)+1, (int)chip_id&7);
221 /* Use the number of cores to determine the last 2 digits of the model
222 number. There are some exceptions that are fixed later */
225 case 16: core_model = "60"; break;
226 case 15: core_model = "58"; break;
227 case 14: core_model = "55"; break;
228 case 13: core_model = "52"; break;
229 case 12: core_model = "50"; break;
230 case 11: core_model = "48"; break;
231 case 10: core_model = "45"; break;
232 case 9: core_model = "42"; break;
233 case 8: core_model = "40"; break;
234 case 7: core_model = "38"; break;
235 case 6: core_model = "34"; break;
236 case 5: core_model = "32"; break;
237 case 4: core_model = "30"; break;
238 case 3: core_model = "25"; break;
239 case 2: core_model = "20"; break;
240 case 1: core_model = "10"; break;
241 default: core_model = "XX"; break;
244 /* Now figure out the family, the first two digits */
245 switch ((chip_id >> 8) & 0xff)
247 case 0: /* CN38XX, CN37XX or CN36XX */
248 if (fus3.cn38xx.crip_512k)
250 /* For some unknown reason, the 16 core one is called 37 instead of 36 */
258 /* This series of chips didn't follow the standard pass numbering */
259 switch (chip_id & 0xf)
261 case 0: strcpy(pass, "1.X"); break;
262 case 1: strcpy(pass, "2.X"); break;
263 case 3: strcpy(pass, "3.X"); break;
264 default:strcpy(pass, "X.X"); break;
267 case 1: /* CN31XX or CN3020 */
268 if ((chip_id & 0x10) || fus3.cn31xx.crip_128k)
272 /* This series of chips didn't follow the standard pass numbering */
273 switch (chip_id & 0xf)
275 case 0: strcpy(pass, "1.0"); break;
276 case 2: strcpy(pass, "1.1"); break;
277 default:strcpy(pass, "X.X"); break;
280 case 2: /* CN3010 or CN3005 */
282 /* A chip with half cache is an 05 */
283 if (fus3.cn30xx.crip_64k)
285 /* This series of chips didn't follow the standard pass numbering */
286 switch (chip_id & 0xf)
288 case 0: strcpy(pass, "1.0"); break;
289 case 2: strcpy(pass, "1.1"); break;
290 default:strcpy(pass, "X.X"); break;
295 /* Special case. 4 core, no crypto */
296 if ((num_cores == 4) && fus_dat2.cn38xx.nocrypto)
299 /* Pass 1 uses different encodings for pass numbers */
300 if ((chip_id & 0xFF)< 0x8)
302 switch (chip_id & 0x3)
304 case 0: strcpy(pass, "1.0"); break;
305 case 1: strcpy(pass, "1.1"); break;
306 case 3: strcpy(pass, "1.2"); break;
307 default:strcpy(pass, "1.X"); break;
311 case 4: /* CN57XX, CN56XX, CN55XX, CN54XX */
312 if (fus_dat2.cn56xx.raid_en)
314 if (fus3.cn56xx.crip_1024k)
318 if (fus_dat2.cn56xx.nocrypto)
325 if (fus_dat2.cn56xx.nocrypto)
330 if (fus_dat3.s.nozip)
333 if (fus3.cn56xx.crip_1024k)
343 if (fus3.cn52xx.crip_256k)
348 case 0x90: /* CN63XX */
352 if (fus_dat2.cn63xx.nocrypto)
354 else if (fus_dat2.cn63xx.dorm_crypto)
367 clock_mhz = cvmx_clock_get_rate(CVMX_CLOCK_RCLK) / 1000000;
369 if (family[0] != '3')
371 /* Check for model in fuses, overrides normal decode */
372 /* This is _not_ valid for Octeon CN3XXX models */
373 fuse_data |= cvmx_fuse_read_byte(51);
374 fuse_data = fuse_data << 8;
375 fuse_data |= cvmx_fuse_read_byte(50);
376 fuse_data = fuse_data << 8;
377 fuse_data |= cvmx_fuse_read_byte(49);
378 fuse_data = fuse_data << 8;
379 fuse_data |= cvmx_fuse_read_byte(48);
380 if (fuse_data & 0x7ffff)
382 int model = fuse_data & 0x3fff;
383 int suffix = (fuse_data >> 14) & 0x1f;
384 if (suffix && model) /* Have both number and suffix in fuses, so both */
386 sprintf(fuse_model, "%d%c",model, 'A' + suffix - 1);
390 else if (suffix && !model) /* Only have suffix, so add suffix to 'normal' model number */
392 sprintf(fuse_model, "%s%c", core_model, 'A' + suffix - 1);
393 core_model = fuse_model;
395 else /* Don't have suffix, so just use model from fuses */
397 sprintf(fuse_model, "%d",model);
403 #ifdef CVMX_BUILD_FOR_UBOOT
404 sprintf(buffer, "CN%s%s-%s pass %s", family, core_model, suffix, pass);
406 sprintf(buffer, "CN%s%sp%s-%d-%s", family, core_model, pass, clock_mhz, suffix);