diff options
Diffstat (limited to 'sys/contrib/octeon-sdk/octeon-model.c')
| -rw-r--r-- | sys/contrib/octeon-sdk/octeon-model.c | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/sys/contrib/octeon-sdk/octeon-model.c b/sys/contrib/octeon-sdk/octeon-model.c new file mode 100644 index 0000000..d93bf4e --- /dev/null +++ b/sys/contrib/octeon-sdk/octeon-model.c @@ -0,0 +1,446 @@ +/***********************license start*************** + * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights + * reserved. + * + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + + * * Neither the name of Cavium Inc. nor the names of + * its contributors may be used to endorse or promote products + * derived from this software without specific prior written + * permission. + + * This Software, including technical data, may be subject to U.S. export control + * laws, including the U.S. Export Administration Act and its associated + * regulations, and may be subject to export or import regulations in other + * countries. + + * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" + * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR + * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO + * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR + * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM + * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, + * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF + * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR + * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR + * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. + ***********************license end**************************************/ + + + + + + + +/** + * @file + * + * File defining functions for working with different Octeon + * models. + * + * <hr>$Revision: 70030 $<hr> + */ +#ifdef CVMX_BUILD_FOR_LINUX_KERNEL +#include <asm/octeon/octeon.h> +#include <asm/octeon/cvmx-clock.h> +#else +#include "cvmx.h" +#include "cvmx-pow.h" +#include "cvmx-warn.h" +#endif + +#if defined(CVMX_BUILD_FOR_LINUX_USER) || defined(CVMX_BUILD_FOR_STANDALONE) +#include <octeon-app-init.h> +#include "cvmx-sysinfo.h" + +/** + * This function checks to see if the software is compatible with the + * chip it is running on. This is called in the application startup code + * and does not need to be called directly by the application. + * Does not return if software is incompatible. + * + * @param chip_id chip id that the software is being run on. + * + * @return 0: runtime checking or exact version match + * 1: chip is newer revision than compiled for, but software will run properly. + */ +int octeon_model_version_check(uint32_t chip_id __attribute__ ((unused))) +{ + //printf("Model Number: %s\n", octeon_model_get_string(chip_id)); +#if !OCTEON_IS_COMMON_BINARY() + /* Check for special case of mismarked 3005 samples, and adjust cpuid */ + if (chip_id == OCTEON_CN3010_PASS1 && (cvmx_read_csr(0x80011800800007B8ull) & (1ull << 34))) + chip_id |= 0x10; + + if ((OCTEON_MODEL & 0xffffff) != chip_id) + { + if (!OCTEON_IS_MODEL((OM_IGNORE_REVISION | chip_id)) || (OCTEON_MODEL & 0xffffff) > chip_id || (((OCTEON_MODEL & 0xffffff) ^ chip_id) & 0x10)) + { + printf("ERROR: Software not configured for this chip\n" + " Expecting ID=0x%08x, Chip is 0x%08x\n", (OCTEON_MODEL & 0xffffff), (unsigned int)chip_id); + if ((OCTEON_MODEL & 0xffffff) > chip_id) + printf("Refusing to run on older revision than program was compiled for.\n"); + exit(-1); + } + else + { + printf("\n###################################################\n"); + printf("WARNING: Software configured for older revision than running on.\n" + " Compiled for ID=0x%08x, Chip is 0x%08x\n", (OCTEON_MODEL & 0xffffff), (unsigned int)chip_id); + printf("###################################################\n\n"); + return(1); + } + } +#endif + + cvmx_warn_if(CVMX_ENABLE_PARAMETER_CHECKING, "Parameter checks are enabled. Expect some performance loss due to the extra checking\n"); + cvmx_warn_if(CVMX_ENABLE_CSR_ADDRESS_CHECKING, "CSR address checks are enabled. Expect some performance loss due to the extra checking\n"); + cvmx_warn_if(CVMX_ENABLE_POW_CHECKS, "POW state checks are enabled. Expect some performance loss due to the extra checking\n"); + + return(0); +} + +#endif +/** + * Given the chip processor ID from COP0, this function returns a + * string representing the chip model number. The string is of the + * form CNXXXXpX.X-FREQ-SUFFIX. + * - XXXX = The chip model number + * - X.X = Chip pass number + * - FREQ = Current frequency in Mhz + * - SUFFIX = NSP, EXP, SCP, SSP, or CP + * + * @param chip_id Chip ID + * + * @return Model string + */ +const char *octeon_model_get_string(uint32_t chip_id) +{ + static char buffer[32]; + return octeon_model_get_string_buffer(chip_id,buffer); +} + +/* Version of octeon_model_get_string() that takes buffer as argument, as +** running early in u-boot static/global variables don't work when running from +** flash +*/ +const char *octeon_model_get_string_buffer(uint32_t chip_id, char * buffer) +{ + const char * family; + const char * core_model; + char pass[4]; +#ifndef CVMX_BUILD_FOR_UBOOT + int clock_mhz; +#endif + const char * suffix; + cvmx_l2d_fus3_t fus3; + int num_cores; + cvmx_mio_fus_dat2_t fus_dat2; + cvmx_mio_fus_dat3_t fus_dat3; + char fuse_model[10]; + uint32_t fuse_data = 0; + + fus3.u64 = 0; + if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN5XXX)) + fus3.u64 = cvmx_read_csr(CVMX_L2D_FUS3); + fus_dat2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2); + fus_dat3.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT3); + num_cores = cvmx_pop(cvmx_read_csr(CVMX_CIU_FUSE)); + + /* Make sure the non existent devices look disabled */ + switch ((chip_id >> 8) & 0xff) + { + case 6: /* CN50XX */ + case 2: /* CN30XX */ + fus_dat3.s.nodfa_dte = 1; + fus_dat3.s.nozip = 1; + break; + case 4: /* CN57XX or CN56XX */ + fus_dat3.s.nodfa_dte = 1; + break; + default: + break; + } + + /* Make a guess at the suffix */ + /* NSP = everything */ + /* EXP = No crypto */ + /* SCP = No DFA, No zip */ + /* CP = No DFA, No crypto, No zip */ + if (fus_dat3.s.nodfa_dte) + { + if (fus_dat2.s.nocrypto) + suffix = "CP"; + else + suffix = "SCP"; + } + else if (fus_dat2.s.nocrypto) + suffix = "EXP"; + else + suffix = "NSP"; + + /* Assume pass number is encoded using <5:3><2:0>. Exceptions will be + fixed later */ + sprintf(pass, "%d.%d", (int)((chip_id>>3)&7)+1, (int)chip_id&7); + + /* Use the number of cores to determine the last 2 digits of the model + number. There are some exceptions that are fixed later */ + switch (num_cores) + { + case 32: core_model = "80"; break; + case 24: core_model = "70"; break; + case 16: core_model = "60"; break; + case 15: core_model = "58"; break; + case 14: core_model = "55"; break; + case 13: core_model = "52"; break; + case 12: core_model = "50"; break; + case 11: core_model = "48"; break; + case 10: core_model = "45"; break; + case 9: core_model = "42"; break; + case 8: core_model = "40"; break; + case 7: core_model = "38"; break; + case 6: core_model = "34"; break; + case 5: core_model = "32"; break; + case 4: core_model = "30"; break; + case 3: core_model = "25"; break; + case 2: core_model = "20"; break; + case 1: core_model = "10"; break; + default: core_model = "XX"; break; + } + + /* Now figure out the family, the first two digits */ + switch ((chip_id >> 8) & 0xff) + { + case 0: /* CN38XX, CN37XX or CN36XX */ + if (fus3.cn38xx.crip_512k) + { + /* For some unknown reason, the 16 core one is called 37 instead of 36 */ + if (num_cores >= 16) + family = "37"; + else + family = "36"; + } + else + family = "38"; + /* This series of chips didn't follow the standard pass numbering */ + switch (chip_id & 0xf) + { + case 0: strcpy(pass, "1.X"); break; + case 1: strcpy(pass, "2.X"); break; + case 3: strcpy(pass, "3.X"); break; + default:strcpy(pass, "X.X"); break; + } + break; + case 1: /* CN31XX or CN3020 */ + if ((chip_id & 0x10) || fus3.cn31xx.crip_128k) + family = "30"; + else + family = "31"; + /* This series of chips didn't follow the standard pass numbering */ + switch (chip_id & 0xf) + { + case 0: strcpy(pass, "1.0"); break; + case 2: strcpy(pass, "1.1"); break; + default:strcpy(pass, "X.X"); break; + } + break; + case 2: /* CN3010 or CN3005 */ + family = "30"; + /* A chip with half cache is an 05 */ + if (fus3.cn30xx.crip_64k) + core_model = "05"; + /* This series of chips didn't follow the standard pass numbering */ + switch (chip_id & 0xf) + { + case 0: strcpy(pass, "1.0"); break; + case 2: strcpy(pass, "1.1"); break; + default:strcpy(pass, "X.X"); break; + } + break; + case 3: /* CN58XX */ + family = "58"; + /* Special case. 4 core, half cache (CP with half cache) */ + if ((num_cores == 4) && fus3.cn58xx.crip_1024k && !strncmp(suffix, "CP", 2)) + core_model = "29"; + + /* Pass 1 uses different encodings for pass numbers */ + if ((chip_id & 0xFF)< 0x8) + { + switch (chip_id & 0x3) + { + case 0: strcpy(pass, "1.0"); break; + case 1: strcpy(pass, "1.1"); break; + case 3: strcpy(pass, "1.2"); break; + default:strcpy(pass, "1.X"); break; + } + } + break; + case 4: /* CN57XX, CN56XX, CN55XX, CN54XX */ + if (fus_dat2.cn56xx.raid_en) + { + if (fus3.cn56xx.crip_1024k) + family = "55"; + else + family = "57"; + if (fus_dat2.cn56xx.nocrypto) + suffix = "SP"; + else + suffix = "SSP"; + } + else + { + if (fus_dat2.cn56xx.nocrypto) + suffix = "CP"; + else + { + suffix = "NSP"; + if (fus_dat3.s.nozip) + suffix = "SCP"; + + if (fus_dat3.s.bar2_en) + suffix = "NSPB2"; + } + if (fus3.cn56xx.crip_1024k) + family = "54"; + else + family = "56"; + } + break; + case 6: /* CN50XX */ + family = "50"; + break; + case 7: /* CN52XX */ + if (fus3.cn52xx.crip_256k) + family = "51"; + else + family = "52"; + break; + case 0x93: /* CN61XX */ + family = "61"; + if (fus_dat3.cn61xx.nozip) + suffix = "SCP"; + else + suffix = "AAP"; + break; + case 0x90: /* CN63XX */ + family = "63"; + if (fus_dat3.s.l2c_crip == 2) + family = "62"; + if (num_cores == 6) /* Other core counts match generic */ + core_model = "35"; + if (fus_dat2.cn63xx.nocrypto) + suffix = "CP"; + else if (fus_dat2.cn63xx.dorm_crypto) + suffix = "DAP"; + else if (fus_dat3.cn63xx.nozip) + suffix = "SCP"; + else + suffix = "AAP"; + break; + case 0x92: /* CN66XX */ + family = "66"; + if (num_cores == 6) /* Other core counts match generic */ + core_model = "35"; + if (fus_dat2.cn66xx.nocrypto && fus_dat2.cn66xx.dorm_crypto) + suffix = "AP"; + if (fus_dat2.cn66xx.nocrypto) + suffix = "CP"; + else if (fus_dat2.cn66xx.dorm_crypto) + suffix = "DAP"; + else if (fus_dat3.cn66xx.nozip && fus_dat2.cn66xx.raid_en) + suffix = "SCP"; + else if (!fus_dat2.cn66xx.raid_en) + suffix = "HAP"; + else + suffix = "AAP"; + break; + case 0x91: /* CN68XX */ + family = "68"; + if (fus_dat2.cn68xx.nocrypto && fus_dat3.cn68xx.nozip) + suffix = "CP"; + else if (fus_dat2.cn68xx.dorm_crypto) + suffix = "DAP"; + else if (fus_dat3.cn68xx.nozip) + suffix = "SCP"; + else if (fus_dat2.cn68xx.nocrypto) + suffix = "SP"; + else if (!fus_dat2.cn68xx.raid_en) + suffix = "HAP"; + else + suffix = "AAP"; + break; + case 0x94: /* CNF71XX */ + family = "F71"; + if (fus_dat3.cnf71xx.nozip) + suffix = "SCP"; + else + suffix = "AAP"; + break; + default: + family = "XX"; + core_model = "XX"; + strcpy(pass, "X.X"); + suffix = "XXX"; + break; + } + +#ifndef CVMX_BUILD_FOR_UBOOT + clock_mhz = cvmx_clock_get_rate(CVMX_CLOCK_RCLK) / 1000000; +#endif + + if (family[0] != '3') + { + int fuse_base = 384/8; + if (family[0] == '6') + fuse_base = 832/8; + + /* Check for model in fuses, overrides normal decode */ + /* This is _not_ valid for Octeon CN3XXX models */ + fuse_data |= cvmx_fuse_read_byte(fuse_base + 3); + fuse_data = fuse_data << 8; + fuse_data |= cvmx_fuse_read_byte(fuse_base + 2); + fuse_data = fuse_data << 8; + fuse_data |= cvmx_fuse_read_byte(fuse_base + 1); + fuse_data = fuse_data << 8; + fuse_data |= cvmx_fuse_read_byte(fuse_base); + if (fuse_data & 0x7ffff) + { + int model = fuse_data & 0x3fff; + int suffix = (fuse_data >> 14) & 0x1f; + if (suffix && model) /* Have both number and suffix in fuses, so both */ + { + sprintf(fuse_model, "%d%c",model, 'A' + suffix - 1); + core_model = ""; + family = fuse_model; + } + else if (suffix && !model) /* Only have suffix, so add suffix to 'normal' model number */ + { + sprintf(fuse_model, "%s%c", core_model, 'A' + suffix - 1); + core_model = fuse_model; + } + else /* Don't have suffix, so just use model from fuses */ + { + sprintf(fuse_model, "%d",model); + core_model = ""; + family = fuse_model; + } + } + } +#ifdef CVMX_BUILD_FOR_UBOOT + sprintf(buffer, "CN%s%s-%s pass %s", family, core_model, suffix, pass); +#else + sprintf(buffer, "CN%s%sp%s-%d-%s", family, core_model, pass, clock_mhz, suffix); +#endif + return buffer; +} |
