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49 * File defining functions for working with different Octeon
52 * <hr>$Revision: 70030 $<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) || defined(CVMX_BUILD_FOR_FREEBSD_KERNEL)
64 #if !defined(CVMX_BUILD_FOR_FREEBSD_KERNEL)
65 #include <octeon-app-init.h>
67 #include "cvmx-sysinfo.h"
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.
76 * @param chip_id chip id that the software is being run on.
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
82 int octeon_model_version_check(uint32_t chip_id __attribute__ ((unused)))
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)))
90 if ((OCTEON_MODEL & 0xffffff) != chip_id)
92 if (!OCTEON_IS_MODEL((OM_IGNORE_REVISION | chip_id)) || (OCTEON_MODEL & 0xffffff) > chip_id || (((OCTEON_MODEL & 0xffffff) ^ chip_id) & 0x10))
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)
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");
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");
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
132 * @param chip_id Chip ID
134 * @return Model string
136 const char *octeon_model_get_string(uint32_t chip_id)
138 static char buffer[32];
139 return octeon_model_get_string_buffer(chip_id,buffer);
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
146 const char *octeon_model_get_string_buffer(uint32_t chip_id, char * buffer)
149 const char * core_model;
151 #ifndef CVMX_BUILD_FOR_UBOOT
155 cvmx_l2d_fus3_t fus3;
157 cvmx_mio_fus_dat2_t fus_dat2;
158 cvmx_mio_fus_dat3_t fus_dat3;
160 uint32_t fuse_data = 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));
169 /* Make sure the non existent devices look disabled */
170 switch ((chip_id >> 8) & 0xff)
174 fus_dat3.s.nodfa_dte = 1;
175 fus_dat3.s.nozip = 1;
177 case 4: /* CN57XX or CN56XX */
178 fus_dat3.s.nodfa_dte = 1;
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)
191 if (fus_dat2.s.nocrypto)
196 else if (fus_dat2.s.nocrypto)
201 /* Assume pass number is encoded using <5:3><2:0>. Exceptions will be
203 sprintf(pass, "%d.%d", (int)((chip_id>>3)&7)+1, (int)chip_id&7);
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 */
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;
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, half cache (CP with half cache) */
282 if ((num_cores == 4) && fus3.cn58xx.crip_1024k && !strncmp(suffix, "CP", 2))
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 (fus_dat3.s.bar2_en)
322 if (fus3.cn56xx.crip_1024k)
332 if (fus3.cn52xx.crip_256k)
337 case 0x93: /* CN61XX */
339 if (fus_dat3.cn61xx.nozip)
344 case 0x90: /* CN63XX */
346 if (fus_dat3.s.l2c_crip == 2)
348 if (num_cores == 6) /* Other core counts match generic */
350 if (fus_dat2.cn63xx.nocrypto)
352 else if (fus_dat2.cn63xx.dorm_crypto)
354 else if (fus_dat3.cn63xx.nozip)
359 case 0x92: /* CN66XX */
361 if (num_cores == 6) /* Other core counts match generic */
363 if (fus_dat2.cn66xx.nocrypto && fus_dat2.cn66xx.dorm_crypto)
365 if (fus_dat2.cn66xx.nocrypto)
367 else if (fus_dat2.cn66xx.dorm_crypto)
369 else if (fus_dat3.cn66xx.nozip && fus_dat2.cn66xx.raid_en)
371 else if (!fus_dat2.cn66xx.raid_en)
376 case 0x91: /* CN68XX */
378 if (fus_dat2.cn68xx.nocrypto && fus_dat3.cn68xx.nozip)
380 else if (fus_dat2.cn68xx.dorm_crypto)
382 else if (fus_dat3.cn68xx.nozip)
384 else if (fus_dat2.cn68xx.nocrypto)
386 else if (!fus_dat2.cn68xx.raid_en)
391 case 0x94: /* CNF71XX */
393 if (fus_dat3.cnf71xx.nozip)
406 #ifndef CVMX_BUILD_FOR_UBOOT
407 clock_mhz = cvmx_clock_get_rate(CVMX_CLOCK_RCLK) / 1000000;
410 if (family[0] != '3')
412 int fuse_base = 384/8;
413 if (family[0] == '6')
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)
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 */
431 sprintf(fuse_model, "%d%c",model, 'A' + suffix - 1);
435 else if (suffix && !model) /* Only have suffix, so add suffix to 'normal' model number */
437 sprintf(fuse_model, "%s%c", core_model, 'A' + suffix - 1);
438 core_model = fuse_model;
440 else /* Don't have suffix, so just use model from fuses */
442 sprintf(fuse_model, "%d",model);
448 #ifdef CVMX_BUILD_FOR_UBOOT
449 sprintf(buffer, "CN%s%s-%s pass %s", family, core_model, suffix, pass);
451 sprintf(buffer, "CN%s%sp%s-%d-%s", family, core_model, pass, clock_mhz, suffix);