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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 | 321 |
1 files changed, 321 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 000000000000..cf50336eca2e --- /dev/null +++ b/arch/mips/include/asm/octeon/octeon-model.h @@ -0,0 +1,321 @@ +/***********************license start*************** + * Author: Cavium Networks + * + * Contact: support@caviumnetworks.com + * This file is part of the OCTEON SDK + * + * Copyright (c) 2003-2008 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**************************************/ + +/* + * + * File defining different Octeon model IDs and macros to + * compare them. + * + */ + +#ifndef __OCTEON_MODEL_H__ +#define __OCTEON_MODEL_H__ + +/* NOTE: These must match what is checked in common-config.mk */ +/* Defines to represent the different versions of Octeon. */ + +/* + * IMPORTANT: When the default pass is updated for an Octeon Model, + * the corresponding change must also be made in the oct-sim script. + */ + +/* + * 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. + */ + +/* 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 + +/* + * 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) + +/* 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_MATCH_MASK__(x, y, z) (((x) & (z)) == ((y) & (z))) + +/* NOTE: This is for internal (to this file) use only. */ +static inline int __OCTEON_IS_MODEL_COMPILE__(uint32_t arg_model, + uint32_t chip_model) +{ + uint32_t rev_and_sub = OM_IGNORE_REVISION | OM_CHECK_SUBMODEL; + + if ((arg_model & OCTEON_38XX_FAMILY_MASK) < OCTEON_CN58XX_PASS1_0) { + if (((arg_model & OM_FLAG_MASK) == rev_and_sub) && + __OCTEON_MATCH_MASK__(chip_model, arg_model, + OCTEON_38XX_MODEL_MASK)) + return 1; + if (((arg_model & OM_FLAG_MASK) == 0) && + __OCTEON_MATCH_MASK__(chip_model, arg_model, + OCTEON_38XX_FAMILY_REV_MASK)) + return 1; + if (((arg_model & OM_FLAG_MASK) == OM_IGNORE_REVISION) && + __OCTEON_MATCH_MASK__(chip_model, arg_model, + OCTEON_38XX_FAMILY_MASK)) + return 1; + if (((arg_model & OM_FLAG_MASK) == OM_CHECK_SUBMODEL) && + __OCTEON_MATCH_MASK__((chip_model), (arg_model), + OCTEON_38XX_MODEL_REV_MASK)) + return 1; + if ((arg_model & OM_MATCH_PREVIOUS_MODELS) && + ((chip_model & OCTEON_38XX_MODEL_MASK) < + (arg_model & OCTEON_38XX_MODEL_MASK))) + return 1; + } else { + if (((arg_model & OM_FLAG_MASK) == rev_and_sub) && + __OCTEON_MATCH_MASK__((chip_model), (arg_model), + OCTEON_58XX_MODEL_MASK)) + return 1; + if (((arg_model & OM_FLAG_MASK) == 0) && + __OCTEON_MATCH_MASK__((chip_model), (arg_model), + OCTEON_58XX_FAMILY_REV_MASK)) + return 1; + if (((arg_model & OM_FLAG_MASK) == OM_IGNORE_MINOR_REVISION) && + __OCTEON_MATCH_MASK__((chip_model), (arg_model), + OCTEON_58XX_MODEL_MINOR_REV_MASK)) + return 1; + if (((arg_model & OM_FLAG_MASK) == OM_IGNORE_REVISION) && + __OCTEON_MATCH_MASK__((chip_model), (arg_model), + OCTEON_58XX_FAMILY_MASK)) + return 1; + if (((arg_model & OM_FLAG_MASK) == OM_CHECK_SUBMODEL) && + __OCTEON_MATCH_MASK__((chip_model), (arg_model), + OCTEON_58XX_MODEL_REV_MASK)) + return 1; + if ((arg_model & OM_MATCH_PREVIOUS_MODELS) && + ((chip_model & OCTEON_58XX_MODEL_MASK) < + (arg_model & OCTEON_58XX_MODEL_MASK))) + return 1; + } + return 0; +} + +/* forward declarations */ +static inline uint32_t cvmx_get_proc_id(void) __attribute__ ((pure)); +static inline uint64_t cvmx_read_csr(uint64_t csr_addr); + +/* 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. Any compile time (#if OCTEON_IS_MODEL) usage must be + * condtionalized with OCTEON_IS_COMMON_BINARY() if runtime checking + * support is required. + */ +#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__ */ |