1 /***********************license start***************
2 * Copyright (c) 2003-2008 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 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
24 * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS
25 * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
26 * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
27 * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
28 * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
29 * OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
30 * PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET
31 * POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT
32 * OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
35 * For any questions regarding licensing please contact marketing@caviumnetworks.com
37 ***********************license end**************************************/
47 * File defining functions for working with different Octeon
50 * <hr>$Revision: 41586 $<hr>
54 #include "cvmx-warn.h"
56 #if defined(CVMX_BUILD_FOR_LINUX_USER) || defined(CVMX_BUILD_FOR_STANDALONE)
57 #include <octeon-app-init.h>
58 #include "cvmx-sysinfo.h"
61 * This function checks to see if the software is compatible with the
62 * chip it is running on. This is called in the application startup code
63 * and does not need to be called directly by the application.
64 * Does not return if software is incompatible.
66 * @param chip_id chip id that the software is being run on.
68 * @return 0: runtime checking or exact version match
69 * 1: chip is newer revision than compiled for, but software will run properly.
71 int octeon_model_version_check(uint32_t chip_id)
73 //printf("Model Number: %s\n", octeon_model_get_string(chip_id));
74 #if OCTEON_IS_COMMON_BINARY()
75 if (chip_id == OCTEON_CN38XX_PASS1)
77 printf("Runtime Octeon Model checking binaries do not support OCTEON_CN38XX_PASS1 chips\n");
78 #ifdef CVMX_BUILD_FOR_STANDALONE
79 if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_SIM)
87 /* Check for special case of mismarked 3005 samples, and adjust cpuid */
88 if (chip_id == OCTEON_CN3010_PASS1 && (cvmx_read_csr(0x80011800800007B8ull) & (1ull << 34)))
91 if ((OCTEON_MODEL & 0xffffff) != chip_id)
93 if (!OCTEON_IS_MODEL((OM_IGNORE_REVISION | chip_id)) || (OCTEON_MODEL & 0xffffff) > chip_id || (((OCTEON_MODEL & 0xffffff) ^ chip_id) & 0x10))
95 printf("ERROR: Software not configured for this chip\n"
96 " Expecting ID=0x%08x, Chip is 0x%08x\n", (OCTEON_MODEL & 0xffffff), (unsigned int)chip_id);
97 if ((OCTEON_MODEL & 0xffffff) > chip_id)
98 printf("Refusing to run on older revision than program was compiled for.\n");
99 #ifdef CVMX_BUILD_FOR_STANDALONE
100 if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_SIM)
109 printf("\n###################################################\n");
110 printf("WARNING: Software configured for older revision than running on.\n"
111 " Compiled for ID=0x%08x, Chip is 0x%08x\n", (OCTEON_MODEL & 0xffffff), (unsigned int)chip_id);
112 printf("###################################################\n\n");
118 cvmx_warn_if(CVMX_ENABLE_PARAMETER_CHECKING, "Parameter checks are enabled. Expect some performance loss due to the extra checking\n");
119 cvmx_warn_if(CVMX_ENABLE_CSR_ADDRESS_CHECKING, "CSR address checks are enabled. Expect some performance loss due to the extra checking\n");
120 cvmx_warn_if(CVMX_ENABLE_POW_CHECKS, "POW state checks are enabled. Expect some performance loss due to the extra checking\n");
127 * Given the chip processor ID from COP0, this function returns a
128 * string representing the chip model number. The string is of the
129 * form CNXXXXpX.X-FREQ-SUFFIX.
130 * - XXXX = The chip model number
131 * - X.X = Chip pass number
132 * - FREQ = Current frequency in Mhz
133 * - SUFFIX = NSP, EXP, SCP, SSP, or CP
135 * @param chip_id Chip ID
137 * @return Model string
139 const char *octeon_model_get_string(uint32_t chip_id)
141 static char buffer[32];
142 return octeon_model_get_string_buffer(chip_id,buffer);
145 /* Version of octeon_model_get_string() that takes buffer as argument, as
146 ** running early in u-boot static/global variables don't work when running from
149 const char *octeon_model_get_string_buffer(uint32_t chip_id, char * buffer)
151 #ifdef CVMX_BUILD_FOR_LINUX_KERNEL
152 extern uint64_t octeon_get_clock_rate(void);
155 const char * core_model;
159 cvmx_l2d_fus3_t fus3;
161 cvmx_mio_fus_dat2_t fus_dat2;
162 cvmx_mio_fus_dat3_t fus_dat3;
164 uint32_t fuse_data = 0;
166 fus3.u64 = cvmx_read_csr(CVMX_L2D_FUS3);
167 fus_dat2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
168 fus_dat3.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT3);
169 num_cores = cvmx_pop(cvmx_read_csr(CVMX_CIU_FUSE));
171 /* Make sure the non existant devices look disabled */
172 switch ((chip_id >> 8) & 0xff)
176 fus_dat3.s.nodfa_dte = 1;
177 fus_dat3.s.nozip = 1;
179 case 4: /* CN57XX or CN56XX */
180 fus_dat3.s.nodfa_dte = 1;
186 /* Make a guess at the suffix */
187 /* NSP = everything */
188 /* EXP = No crypto */
189 /* SCP = No DFA, No zip */
190 /* CP = No DFA, No crypto, No zip */
191 if (fus_dat3.s.nodfa_dte)
193 if (fus_dat2.s.nocrypto)
198 else if (fus_dat2.s.nocrypto)
203 /* Assume pass number is encoded using <5:3><2:0>. Exceptions will be
205 sprintf(pass, "%d.%d", (int)((chip_id>>3)&7)+1, (int)chip_id&7);
207 /* Use the number of cores to determine the last 2 digits of the model
208 number. There are some exceptions that are fixed later */
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;
230 /* Now figure out the family, the first two digits */
231 switch ((chip_id >> 8) & 0xff)
233 case 0: /* CN38XX, CN37XX or CN36XX */
234 if (fus3.cn38xx.crip_512k)
236 /* For some unknown reason, the 16 core one is called 37 instead of 36 */
244 /* This series of chips didn't follow the standard pass numbering */
245 switch (chip_id & 0xf)
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;
253 case 1: /* CN31XX or CN3020 */
254 if ((chip_id & 0x10) || fus3.cn31xx.crip_128k)
258 /* This series of chips didn't follow the standard pass numbering */
259 switch (chip_id & 0xf)
261 case 0: strcpy(pass, "1.0"); break;
262 case 2: strcpy(pass, "1.1"); break;
263 default:strcpy(pass, "X.X"); break;
266 case 2: /* CN3010 or CN3005 */
268 /* A chip with half cache is an 05 */
269 if (fus3.cn30xx.crip_64k)
271 /* This series of chips didn't follow the standard pass numbering */
272 switch (chip_id & 0xf)
274 case 0: strcpy(pass, "1.0"); break;
275 case 2: strcpy(pass, "1.1"); break;
276 default:strcpy(pass, "X.X"); break;
281 /* Special case. 4 core, no crypto */
282 if ((num_cores == 4) && fus_dat2.cn38xx.nocrypto)
285 /* Pass 1 uses different encodings for pass numbers */
286 if ((chip_id & 0xFF)< 0x8)
288 switch (chip_id & 0x3)
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;
297 case 4: /* CN57XX, CN56XX, CN55XX, CN54XX */
298 if (fus_dat2.cn56xx.raid_en)
300 if (fus3.cn56xx.crip_1024k)
304 if (fus_dat2.cn56xx.nocrypto)
311 if (fus_dat2.cn56xx.nocrypto)
316 if (fus_dat3.s.nozip)
319 if (fus3.cn56xx.crip_1024k)
329 if (fus3.cn52xx.crip_256k)
342 #ifdef CVMX_BUILD_FOR_LINUX_KERNEL
343 clock_mhz = octeon_get_clock_rate() / 1000000;
344 #elif defined(CVMX_BUILD_FOR_LINUX_HOST)
347 if (cvmx_sysinfo_get())
348 clock_mhz = cvmx_sysinfo_get()->cpu_clock_hz / 1000000;
353 if (family[0] != '3')
355 /* Check for model in fuses, overrides normal decode */
356 /* This is _not_ valid for Octeon CN3XXX models */
357 fuse_data |= cvmx_fuse_read_byte(51);
358 fuse_data = fuse_data << 8;
359 fuse_data |= cvmx_fuse_read_byte(50);
360 fuse_data = fuse_data << 8;
361 fuse_data |= cvmx_fuse_read_byte(49);
362 fuse_data = fuse_data << 8;
363 fuse_data |= cvmx_fuse_read_byte(48);
364 if (fuse_data & 0x7ffff)
366 int model = fuse_data & 0x3fff;
367 int suffix = (fuse_data >> 14) & 0x1f;
368 if (suffix && model) /* Have both number and suffix in fuses, so both */
370 sprintf(fuse_model, "%d%c",model, 'A' + suffix - 1);
374 else if (suffix && !model) /* Only have suffix, so add suffix to 'normal' model number */
376 sprintf(fuse_model, "%s%c", core_model, 'A' + suffix - 1);
377 core_model = fuse_model;
379 else /* Don't have suffix, so just use model from fuses */
381 sprintf(fuse_model, "%d",model);
387 #ifdef CVMX_BUILD_FOR_UBOOT
388 sprintf(buffer, "CN%s%s-%s pass %s", family, core_model, suffix, pass);
390 sprintf(buffer, "CN%s%sp%s-%d-%s", family, core_model, pass, clock_mhz, suffix);