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Diffstat (limited to 'arch/mips/include/asm/octeon/octeon-model.h')
| -rw-r--r-- | arch/mips/include/asm/octeon/octeon-model.h | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/octeon-model.h b/arch/mips/include/asm/octeon/octeon-model.h new file mode 100644 index 00000000..4e338a4d --- /dev/null +++ b/arch/mips/include/asm/octeon/octeon-model.h @@ -0,0 +1,318 @@ +/***********************license start*************** + * Author: Cavium Networks + * + * Contact: support@caviumnetworks.com + * This file is part of the OCTEON SDK + * + * Copyright (c) 2003-2010 Cavium Networks + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, but + * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or + * NONINFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this file; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * or visit http://www.gnu.org/licenses/. + * + * This file may also be available under a different license from Cavium. + * Contact Cavium Networks for more information + ***********************license end**************************************/ +#ifndef __OCTEON_MODEL_H__ +#define __OCTEON_MODEL_H__ + +/* + * The defines below should be used with the OCTEON_IS_MODEL() macro + * to determine what model of chip the software is running on. Models + * ending in 'XX' match multiple models (families), while specific + * models match only that model. If a pass (revision) is specified, + * then only that revision will be matched. Care should be taken when + * checking for both specific models and families that the specific + * models are checked for first. While these defines are similar to + * the processor ID, they are not intended to be used by anything + * other that the OCTEON_IS_MODEL framework, and the values are + * subject to change at anytime without notice. + * + * NOTE: only the OCTEON_IS_MODEL() macro/function and the OCTEON_CN* + * macros should be used outside of this file. All other macros are + * for internal use only, and may change without notice. + */ + +#define OCTEON_FAMILY_MASK 0x00ffff00 + +/* Flag bits in top byte */ +/* Ignores revision in model checks */ +#define OM_IGNORE_REVISION 0x01000000 +/* Check submodels */ +#define OM_CHECK_SUBMODEL 0x02000000 +/* Match all models previous than the one specified */ +#define OM_MATCH_PREVIOUS_MODELS 0x04000000 +/* Ignores the minor revison on newer parts */ +#define OM_IGNORE_MINOR_REVISION 0x08000000 +#define OM_FLAG_MASK 0xff000000 + +/* Match all cn5XXX Octeon models. */ +#define OM_MATCH_5XXX_FAMILY_MODELS 0x20000000 +/* Match all cn6XXX Octeon models. */ +#define OM_MATCH_6XXX_FAMILY_MODELS 0x40000000 + +/* + * CN6XXX models with new revision encoding + */ +#define OCTEON_CN68XX_PASS1_0 0x000d9100 +#define OCTEON_CN68XX_PASS1_1 0x000d9101 +#define OCTEON_CN68XX_PASS1_2 0x000d9102 +#define OCTEON_CN68XX_PASS2_0 0x000d9108 + +#define OCTEON_CN68XX (OCTEON_CN68XX_PASS2_0 | OM_IGNORE_REVISION) +#define OCTEON_CN68XX_PASS1_X (OCTEON_CN68XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) +#define OCTEON_CN68XX_PASS2_X (OCTEON_CN68XX_PASS2_0 | OM_IGNORE_MINOR_REVISION) + +#define OCTEON_CN68XX_PASS1 OCTEON_CN68XX_PASS1_X +#define OCTEON_CN68XX_PASS2 OCTEON_CN68XX_PASS2_X + +#define OCTEON_CN66XX_PASS1_0 0x000d9200 +#define OCTEON_CN66XX_PASS1_2 0x000d9202 + +#define OCTEON_CN66XX (OCTEON_CN66XX_PASS1_0 | OM_IGNORE_REVISION) +#define OCTEON_CN66XX_PASS1_X (OCTEON_CN66XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) + +#define OCTEON_CN63XX_PASS1_0 0x000d9000 +#define OCTEON_CN63XX_PASS1_1 0x000d9001 +#define OCTEON_CN63XX_PASS1_2 0x000d9002 +#define OCTEON_CN63XX_PASS2_0 0x000d9008 +#define OCTEON_CN63XX_PASS2_1 0x000d9009 +#define OCTEON_CN63XX_PASS2_2 0x000d900a + +#define OCTEON_CN63XX (OCTEON_CN63XX_PASS2_0 | OM_IGNORE_REVISION) +#define OCTEON_CN63XX_PASS1_X (OCTEON_CN63XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) +#define OCTEON_CN63XX_PASS2_X (OCTEON_CN63XX_PASS2_0 | OM_IGNORE_MINOR_REVISION) + +#define OCTEON_CN61XX_PASS1_0 0x000d9300 + +#define OCTEON_CN61XX (OCTEON_CN61XX_PASS1_0 | OM_IGNORE_REVISION) +#define OCTEON_CN61XX_PASS1_X (OCTEON_CN61XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) + +/* + * CN5XXX models with new revision encoding + */ +#define OCTEON_CN58XX_PASS1_0 0x000d0300 +#define OCTEON_CN58XX_PASS1_1 0x000d0301 +#define OCTEON_CN58XX_PASS1_2 0x000d0303 +#define OCTEON_CN58XX_PASS2_0 0x000d0308 +#define OCTEON_CN58XX_PASS2_1 0x000d0309 +#define OCTEON_CN58XX_PASS2_2 0x000d030a +#define OCTEON_CN58XX_PASS2_3 0x000d030b + +#define OCTEON_CN58XX (OCTEON_CN58XX_PASS1_0 | OM_IGNORE_REVISION) +#define OCTEON_CN58XX_PASS1_X (OCTEON_CN58XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) +#define OCTEON_CN58XX_PASS2_X (OCTEON_CN58XX_PASS2_0 | OM_IGNORE_MINOR_REVISION) +#define OCTEON_CN58XX_PASS1 OCTEON_CN58XX_PASS1_X +#define OCTEON_CN58XX_PASS2 OCTEON_CN58XX_PASS2_X + +#define OCTEON_CN56XX_PASS1_0 0x000d0400 +#define OCTEON_CN56XX_PASS1_1 0x000d0401 +#define OCTEON_CN56XX_PASS2_0 0x000d0408 +#define OCTEON_CN56XX_PASS2_1 0x000d0409 + +#define OCTEON_CN56XX (OCTEON_CN56XX_PASS2_0 | OM_IGNORE_REVISION) +#define OCTEON_CN56XX_PASS1_X (OCTEON_CN56XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) +#define OCTEON_CN56XX_PASS2_X (OCTEON_CN56XX_PASS2_0 | OM_IGNORE_MINOR_REVISION) +#define OCTEON_CN56XX_PASS1 OCTEON_CN56XX_PASS1_X +#define OCTEON_CN56XX_PASS2 OCTEON_CN56XX_PASS2_X + +#define OCTEON_CN57XX OCTEON_CN56XX +#define OCTEON_CN57XX_PASS1 OCTEON_CN56XX_PASS1 +#define OCTEON_CN57XX_PASS2 OCTEON_CN56XX_PASS2 + +#define OCTEON_CN55XX OCTEON_CN56XX +#define OCTEON_CN55XX_PASS1 OCTEON_CN56XX_PASS1 +#define OCTEON_CN55XX_PASS2 OCTEON_CN56XX_PASS2 + +#define OCTEON_CN54XX OCTEON_CN56XX +#define OCTEON_CN54XX_PASS1 OCTEON_CN56XX_PASS1 +#define OCTEON_CN54XX_PASS2 OCTEON_CN56XX_PASS2 + +#define OCTEON_CN50XX_PASS1_0 0x000d0600 + +#define OCTEON_CN50XX (OCTEON_CN50XX_PASS1_0 | OM_IGNORE_REVISION) +#define OCTEON_CN50XX_PASS1_X (OCTEON_CN50XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) +#define OCTEON_CN50XX_PASS1 OCTEON_CN50XX_PASS1_X + +/* + * NOTE: Octeon CN5000F model is not identifiable using the + * OCTEON_IS_MODEL() functions, but are treated as CN50XX. + */ + +#define OCTEON_CN52XX_PASS1_0 0x000d0700 +#define OCTEON_CN52XX_PASS2_0 0x000d0708 + +#define OCTEON_CN52XX (OCTEON_CN52XX_PASS2_0 | OM_IGNORE_REVISION) +#define OCTEON_CN52XX_PASS1_X (OCTEON_CN52XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) +#define OCTEON_CN52XX_PASS2_X (OCTEON_CN52XX_PASS2_0 | OM_IGNORE_MINOR_REVISION) +#define OCTEON_CN52XX_PASS1 OCTEON_CN52XX_PASS1_X +#define OCTEON_CN52XX_PASS2 OCTEON_CN52XX_PASS2_X + +/* + * CN3XXX models with old revision enconding + */ +#define OCTEON_CN38XX_PASS1 0x000d0000 +#define OCTEON_CN38XX_PASS2 0x000d0001 +#define OCTEON_CN38XX_PASS3 0x000d0003 +#define OCTEON_CN38XX (OCTEON_CN38XX_PASS3 | OM_IGNORE_REVISION) + +#define OCTEON_CN36XX OCTEON_CN38XX +#define OCTEON_CN36XX_PASS2 OCTEON_CN38XX_PASS2 +#define OCTEON_CN36XX_PASS3 OCTEON_CN38XX_PASS3 + +/* The OCTEON_CN31XX matches CN31XX models and the CN3020 */ +#define OCTEON_CN31XX_PASS1 0x000d0100 +#define OCTEON_CN31XX_PASS1_1 0x000d0102 +#define OCTEON_CN31XX (OCTEON_CN31XX_PASS1 | OM_IGNORE_REVISION) + +/* + * This model is only used for internal checks, it is not a valid + * model for the OCTEON_MODEL environment variable. This matches the + * CN3010 and CN3005 but NOT the CN3020. + */ +#define OCTEON_CN30XX_PASS1 0x000d0200 +#define OCTEON_CN30XX_PASS1_1 0x000d0202 +#define OCTEON_CN30XX (OCTEON_CN30XX_PASS1 | OM_IGNORE_REVISION) + +#define OCTEON_CN3005_PASS1 (0x000d0210 | OM_CHECK_SUBMODEL) +#define OCTEON_CN3005_PASS1_0 (0x000d0210 | OM_CHECK_SUBMODEL) +#define OCTEON_CN3005_PASS1_1 (0x000d0212 | OM_CHECK_SUBMODEL) +#define OCTEON_CN3005 (OCTEON_CN3005_PASS1 | OM_IGNORE_REVISION | OM_CHECK_SUBMODEL) + +#define OCTEON_CN3010_PASS1 (0x000d0200 | OM_CHECK_SUBMODEL) +#define OCTEON_CN3010_PASS1_0 (0x000d0200 | OM_CHECK_SUBMODEL) +#define OCTEON_CN3010_PASS1_1 (0x000d0202 | OM_CHECK_SUBMODEL) +#define OCTEON_CN3010 (OCTEON_CN3010_PASS1 | OM_IGNORE_REVISION | OM_CHECK_SUBMODEL) + +#define OCTEON_CN3020_PASS1 (0x000d0110 | OM_CHECK_SUBMODEL) +#define OCTEON_CN3020_PASS1_0 (0x000d0110 | OM_CHECK_SUBMODEL) +#define OCTEON_CN3020_PASS1_1 (0x000d0112 | OM_CHECK_SUBMODEL) +#define OCTEON_CN3020 (OCTEON_CN3020_PASS1 | OM_IGNORE_REVISION | OM_CHECK_SUBMODEL) + +/* + * This matches the complete family of CN3xxx CPUs, and not subsequent + * models + */ +#define OCTEON_CN3XXX (OCTEON_CN58XX_PASS1_0 | OM_MATCH_PREVIOUS_MODELS | OM_IGNORE_REVISION) +#define OCTEON_CN5XXX (OCTEON_CN58XX_PASS1_0 | OM_MATCH_5XXX_FAMILY_MODELS) +#define OCTEON_CN6XXX (OCTEON_CN63XX_PASS1_0 | OM_MATCH_6XXX_FAMILY_MODELS) + +/* The revision byte (low byte) has two different encodings. + * CN3XXX: + * + * bits + * <7:5>: reserved (0) + * <4>: alternate package + * <3:0>: revision + * + * CN5XXX: + * + * bits + * <7>: reserved (0) + * <6>: alternate package + * <5:3>: major revision + * <2:0>: minor revision + * + */ + +/* Masks used for the various types of model/family/revision matching */ +#define OCTEON_38XX_FAMILY_MASK 0x00ffff00 +#define OCTEON_38XX_FAMILY_REV_MASK 0x00ffff0f +#define OCTEON_38XX_MODEL_MASK 0x00ffff10 +#define OCTEON_38XX_MODEL_REV_MASK (OCTEON_38XX_FAMILY_REV_MASK | OCTEON_38XX_MODEL_MASK) + +/* CN5XXX and later use different layout of bits in the revision ID field */ +#define OCTEON_58XX_FAMILY_MASK OCTEON_38XX_FAMILY_MASK +#define OCTEON_58XX_FAMILY_REV_MASK 0x00ffff3f +#define OCTEON_58XX_MODEL_MASK 0x00ffffc0 +#define OCTEON_58XX_MODEL_REV_MASK (OCTEON_58XX_FAMILY_REV_MASK | OCTEON_58XX_MODEL_MASK) +#define OCTEON_58XX_MODEL_MINOR_REV_MASK (OCTEON_58XX_MODEL_REV_MASK & 0x00fffff8) +#define OCTEON_5XXX_MODEL_MASK 0x00ff0fc0 + +/* forward declarations */ +static inline uint32_t cvmx_get_proc_id(void) __attribute__ ((pure)); +static inline uint64_t cvmx_read_csr(uint64_t csr_addr); + +#define __OCTEON_MATCH_MASK__(x, y, z) (((x) & (z)) == ((y) & (z))) + +/* NOTE: This for internal use only! */ +#define __OCTEON_IS_MODEL_COMPILE__(arg_model, chip_model) \ +((((arg_model & OCTEON_38XX_FAMILY_MASK) < OCTEON_CN58XX_PASS1_0) && ( \ + ((((arg_model) & (OM_FLAG_MASK)) == (OM_IGNORE_REVISION | OM_CHECK_SUBMODEL)) \ + && __OCTEON_MATCH_MASK__((chip_model), (arg_model), OCTEON_38XX_MODEL_MASK)) || \ + ((((arg_model) & (OM_FLAG_MASK)) == 0) \ + && __OCTEON_MATCH_MASK__((chip_model), (arg_model), OCTEON_38XX_FAMILY_REV_MASK)) || \ + ((((arg_model) & (OM_FLAG_MASK)) == OM_IGNORE_REVISION) \ + && __OCTEON_MATCH_MASK__((chip_model), (arg_model), OCTEON_38XX_FAMILY_MASK)) || \ + ((((arg_model) & (OM_FLAG_MASK)) == OM_CHECK_SUBMODEL) \ + && __OCTEON_MATCH_MASK__((chip_model), (arg_model), OCTEON_38XX_MODEL_REV_MASK)) || \ + ((((arg_model) & (OM_MATCH_PREVIOUS_MODELS)) == OM_MATCH_PREVIOUS_MODELS) \ + && (((chip_model) & OCTEON_38XX_MODEL_MASK) < ((arg_model) & OCTEON_38XX_MODEL_MASK))) \ + )) || \ + (((arg_model & OCTEON_38XX_FAMILY_MASK) >= OCTEON_CN58XX_PASS1_0) && ( \ + ((((arg_model) & (OM_FLAG_MASK)) == (OM_IGNORE_REVISION | OM_CHECK_SUBMODEL)) \ + && __OCTEON_MATCH_MASK__((chip_model), (arg_model), OCTEON_58XX_MODEL_MASK)) || \ + ((((arg_model) & (OM_FLAG_MASK)) == 0) \ + && __OCTEON_MATCH_MASK__((chip_model), (arg_model), OCTEON_58XX_FAMILY_REV_MASK)) || \ + ((((arg_model) & (OM_FLAG_MASK)) == OM_IGNORE_MINOR_REVISION) \ + && __OCTEON_MATCH_MASK__((chip_model), (arg_model), OCTEON_58XX_MODEL_MINOR_REV_MASK)) || \ + ((((arg_model) & (OM_FLAG_MASK)) == OM_IGNORE_REVISION) \ + && __OCTEON_MATCH_MASK__((chip_model), (arg_model), OCTEON_58XX_FAMILY_MASK)) || \ + ((((arg_model) & (OM_FLAG_MASK)) == OM_CHECK_SUBMODEL) \ + && __OCTEON_MATCH_MASK__((chip_model), (arg_model), OCTEON_58XX_MODEL_REV_MASK)) || \ + ((((arg_model) & (OM_MATCH_5XXX_FAMILY_MODELS)) == OM_MATCH_5XXX_FAMILY_MODELS) \ + && ((chip_model) >= OCTEON_CN58XX_PASS1_0) && ((chip_model) < OCTEON_CN63XX_PASS1_0)) || \ + ((((arg_model) & (OM_MATCH_6XXX_FAMILY_MODELS)) == OM_MATCH_6XXX_FAMILY_MODELS) \ + && ((chip_model) >= OCTEON_CN63XX_PASS1_0)) || \ + ((((arg_model) & (OM_MATCH_PREVIOUS_MODELS)) == OM_MATCH_PREVIOUS_MODELS) \ + && (((chip_model) & OCTEON_58XX_MODEL_MASK) < ((arg_model) & OCTEON_58XX_MODEL_MASK))) \ + ))) + +/* NOTE: This for internal use only!!!!! */ +static inline int __octeon_is_model_runtime__(uint32_t model) +{ + uint32_t cpuid = cvmx_get_proc_id(); + + /* + * Check for special case of mismarked 3005 samples. We only + * need to check if the sub model isn't being ignored + */ + if ((model & OM_CHECK_SUBMODEL) == OM_CHECK_SUBMODEL) { + if (cpuid == OCTEON_CN3010_PASS1 && (cvmx_read_csr(0x80011800800007B8ull) & (1ull << 34))) + cpuid |= 0x10; + } + return __OCTEON_IS_MODEL_COMPILE__(model, cpuid); +} + +/* + * The OCTEON_IS_MODEL macro should be used for all Octeon model checking done + * in a program. + * This should be kept runtime if at all possible and must be conditionalized + * with OCTEON_IS_COMMON_BINARY() if runtime checking support is required. + * + * Use of the macro in preprocessor directives ( #if OCTEON_IS_MODEL(...) ) + * is NOT SUPPORTED, and should be replaced with CVMX_COMPILED_FOR() + * I.e.: + * #if OCTEON_IS_MODEL(OCTEON_CN56XX) -> #if CVMX_COMPILED_FOR(OCTEON_CN56XX) + */ +#define OCTEON_IS_MODEL(x) __octeon_is_model_runtime__(x) +#define OCTEON_IS_COMMON_BINARY() 1 +#undef OCTEON_MODEL + +const char *octeon_model_get_string(uint32_t chip_id); +const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer); + +#include "octeon-feature.h" + +#endif /* __OCTEON_MODEL_H__ */ |