| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (C) 2020 Marvell International Ltd. |
| */ |
| |
| #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. |
| */ |
| |
| #include <asm/mipsregs.h> |
| |
| #define OCTEON_FAMILY_MASK 0x00ffff00 |
| #define OCTEON_PRID_MASK 0x00ffffff |
| |
| /* 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 |
| /* Match all cnf7XXX Octeon models. */ |
| #define OM_MATCH_F7XXX_FAMILY_MODELS 0x80000000 |
| /* Match all cn7XXX Octeon models. */ |
| #define OM_MATCH_7XXX_FAMILY_MODELS 0x10000000 |
| #define OM_MATCH_FAMILY_MODELS (OM_MATCH_5XXX_FAMILY_MODELS | \ |
| OM_MATCH_6XXX_FAMILY_MODELS | \ |
| OM_MATCH_F7XXX_FAMILY_MODELS | \ |
| OM_MATCH_7XXX_FAMILY_MODELS) |
| |
| /* |
| * CN7XXX models with new revision encoding |
| */ |
| |
| #define OCTEON_CNF75XX_PASS1_0 0x000d9800 |
| #define OCTEON_CNF75XX_PASS1_2 0x000d9802 |
| #define OCTEON_CNF75XX_PASS1_3 0x000d9803 |
| #define OCTEON_CNF75XX (OCTEON_CNF75XX_PASS1_0 | OM_IGNORE_REVISION) |
| #define OCTEON_CNF75XX_PASS1_X \ |
| (OCTEON_CNF75XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) |
| |
| #define OCTEON_CN73XX_PASS1_0 0x000d9700 |
| #define OCTEON_CN73XX_PASS1_1 0x000d9701 |
| #define OCTEON_CN73XX_PASS1_2 0x000d9702 |
| #define OCTEON_CN73XX_PASS1_3 0x000d9703 |
| #define OCTEON_CN73XX (OCTEON_CN73XX_PASS1_0 | OM_IGNORE_REVISION) |
| #define OCTEON_CN73XX_PASS1_X \ |
| (OCTEON_CN73XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) |
| |
| #define OCTEON_CN72XX OCTEON_CN73XX |
| |
| #define OCTEON_CN23XX OCTEON_CN73XX |
| #define OCTEON_CN23XX_PASS1_2 OCTEON_CN73XX_PASS1_2 |
| #define OCTEON_CN23XX_PASS1_3 OCTEON_CN73XX_PASS1_3 |
| |
| #define OCTEON_CN70XX_PASS1_0 0x000d9600 |
| #define OCTEON_CN70XX_PASS1_1 0x000d9601 |
| #define OCTEON_CN70XX_PASS1_2 0x000d9602 |
| |
| #define OCTEON_CN70XX_PASS2_0 0x000d9608 |
| |
| #define OCTEON_CN70XX (OCTEON_CN70XX_PASS1_0 | OM_IGNORE_REVISION) |
| #define OCTEON_CN70XX_PASS1_X \ |
| (OCTEON_CN70XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) |
| #define OCTEON_CN70XX_PASS2_X \ |
| (OCTEON_CN70XX_PASS2_0 | OM_IGNORE_MINOR_REVISION) |
| |
| #define OCTEON_CN71XX OCTEON_CN70XX |
| |
| #define OCTEON_CN78XX_PASS1_0 0x000d9500 |
| #define OCTEON_CN78XX_PASS1_1 0x000d9501 |
| #define OCTEON_CN78XX_PASS2_0 0x000d9508 |
| |
| #define OCTEON_CN78XX (OCTEON_CN78XX_PASS2_0 | OM_IGNORE_REVISION) |
| #define OCTEON_CN78XX_PASS1_X \ |
| (OCTEON_CN78XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) |
| #define OCTEON_CN78XX_PASS2_X \ |
| (OCTEON_CN78XX_PASS2_0 | OM_IGNORE_MINOR_REVISION) |
| |
| #define OCTEON_CN76XX (0x000d9540 | OM_CHECK_SUBMODEL) |
| |
| /* |
| * CNF7XXX models with new revision encoding |
| */ |
| #define OCTEON_CNF71XX_PASS1_0 0x000d9400 |
| #define OCTEON_CNF71XX_PASS1_1 0x000d9401 |
| |
| #define OCTEON_CNF71XX (OCTEON_CNF71XX_PASS1_0 | OM_IGNORE_REVISION) |
| #define OCTEON_CNF71XX_PASS1_X \ |
| (OCTEON_CNF71XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) |
| |
| /* |
| * CN6XXX models with new revision encoding |
| */ |
| #define OCTEON_CN68XX_PASS1_0 0x000d9100 |
| #define OCTEON_CN68XX_PASS1_1 0x000d9101 |
| #define OCTEON_CN68XX_PASS2_0 0x000d9108 |
| #define OCTEON_CN68XX_PASS2_1 0x000d9109 |
| #define OCTEON_CN68XX_PASS2_2 0x000d910a |
| |
| #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) |
| |
| /* CN62XX is same as CN63XX with 1 MB cache */ |
| #define OCTEON_CN62XX OCTEON_CN63XX |
| |
| #define OCTEON_CN61XX_PASS1_0 0x000d9300 |
| #define OCTEON_CN61XX_PASS1_1 0x000d9301 |
| |
| #define OCTEON_CN61XX (OCTEON_CN61XX_PASS1_0 | OM_IGNORE_REVISION) |
| #define OCTEON_CN61XX_PASS1_X \ |
| (OCTEON_CN61XX_PASS1_0 | OM_IGNORE_MINOR_REVISION) |
| |
| /* CN60XX is same as CN61XX with 512 KB cache */ |
| #define OCTEON_CN60XX OCTEON_CN61XX |
| |
| /* This matches the complete family of CN3xxx CPUs, and not subsequent models */ |
| #define OCTEON_CN6XXX \ |
| (OCTEON_CN63XX_PASS1_0 | OM_MATCH_6XXX_FAMILY_MODELS) |
| #define OCTEON_CNF7XXX \ |
| (OCTEON_CNF71XX_PASS1_0 | OM_MATCH_F7XXX_FAMILY_MODELS) |
| #define OCTEON_CN7XXX \ |
| (OCTEON_CN78XX_PASS1_0 | OM_MATCH_7XXX_FAMILY_MODELS) |
| |
| /* |
| * The revision byte (low byte) has two different encodings. |
| * CN3XXX: |
| * |
| * bits |
| * <7:5>: reserved (0) |
| * <4>: alternate package |
| * <3:0>: revision |
| * |
| * CN5XXX and older models: |
| * |
| * 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 0x00ffff40 |
| #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 & 0x00ffff38) |
| #define OCTEON_5XXX_MODEL_MASK 0x00ff0fc0 |
| |
| #define __OCTEON_MATCH_MASK__(X, Y, Z) \ |
| ({ \ |
| typeof(X) x = (X); \ |
| typeof(Y) y = (Y); \ |
| typeof(Z) z = (Z); \ |
| (x & z) == (y & z); \ |
| }) |
| |
| /* |
| * __OCTEON_IS_MODEL_COMPILE__(arg_model, chip_model) |
| * returns true if chip_model is identical or belong to the OCTEON |
| * model group specified in arg_model. |
| */ |
| |
| /* Helper macros to make to following macro compacter */ |
| #define OM_MASK OM_FLAG_MASK |
| #define OM_MATCH_MASK __OCTEON_MATCH_MASK__ |
| #define OM_MATCH_PREVIOUS OM_MATCH_PREVIOUS_MODELS |
| |
| #define __OCTEON_IS_MODEL_COMPILE__(A, B) \ |
| ({ \ |
| typeof(A) a = (A); \ |
| typeof(B) b = (B); \ |
| (((((((a) & OM_MASK) == (OM_IGNORE_REVISION | OM_CHECK_SUBMODEL)) && \ |
| OM_MATCH_MASK((b), (a), OCTEON_58XX_MODEL_MASK)) || \ |
| ((((a) & OM_MASK) == 0) && \ |
| OM_MATCH_MASK((b), (a), OCTEON_58XX_FAMILY_REV_MASK)) || \ |
| ((((a) & OM_MASK) == OM_IGNORE_MINOR_REVISION) && \ |
| OM_MATCH_MASK((b), (a), OCTEON_58XX_MODEL_MINOR_REV_MASK)) || \ |
| ((((a) & OM_MASK) == OM_CHECK_SUBMODEL) && \ |
| OM_MATCH_MASK((b), (a), OCTEON_58XX_MODEL_MASK)) || \ |
| ((((a) & OM_MASK) == OM_IGNORE_REVISION) && \ |
| OM_MATCH_MASK((b), (a), OCTEON_58XX_FAMILY_MASK)) || \ |
| ((((a) & (OM_MATCH_5XXX_FAMILY_MODELS)) == \ |
| OM_MATCH_5XXX_FAMILY_MODELS) && \ |
| ((b & OCTEON_PRID_MASK) < OCTEON_CN63XX_PASS1_0)) || \ |
| ((((a) & (OM_MATCH_6XXX_FAMILY_MODELS)) == \ |
| OM_MATCH_6XXX_FAMILY_MODELS) && \ |
| ((b & OCTEON_PRID_MASK) >= OCTEON_CN63XX_PASS1_0) && \ |
| ((b & OCTEON_PRID_MASK) < OCTEON_CNF71XX_PASS1_0)) || \ |
| ((((a) & (OM_MATCH_F7XXX_FAMILY_MODELS)) == \ |
| OM_MATCH_F7XXX_FAMILY_MODELS) && \ |
| ((b & OCTEON_PRID_MASK) >= OCTEON_CNF71XX_PASS1_0) && \ |
| ((b & OCTEON_PRID_MASK) < OCTEON_CN78XX_PASS1_0)) || \ |
| ((((a) & (OM_MATCH_7XXX_FAMILY_MODELS)) == \ |
| OM_MATCH_7XXX_FAMILY_MODELS) && ((b & OCTEON_PRID_MASK) >= \ |
| OCTEON_CN78XX_PASS1_0)) || \ |
| ((((a) & (OM_MATCH_PREVIOUS)) == OM_MATCH_PREVIOUS) && \ |
| (((b) & OCTEON_58XX_MODEL_MASK) < ((a) & OCTEON_58XX_MODEL_MASK))) \ |
| ))); \ |
| }) |
| |
| #ifndef __ASSEMBLY__ |
| |
| #ifndef OCTEON_IS_MODEL |
| |
| static inline int __octeon_is_model_runtime_internal__(u32 model) |
| { |
| u32 cpuid = read_c0_prid(); |
| |
| return __OCTEON_IS_MODEL_COMPILE__(model, cpuid); |
| } |
| |
| static inline int __octeon_is_model_runtime__(u32 model) |
| { |
| return __octeon_is_model_runtime_internal__(model); |
| } |
| |
| /* |
| * 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 |
| #endif |
| |
| #define OCTEON_IS_OCTEON2() \ |
| (OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF71XX)) |
| |
| #define OCTEON_IS_OCTEON3() OCTEON_IS_MODEL(OCTEON_CN7XXX) |
| |
| const char *octeon_model_get_string(u32 chip_id); |
| const char *octeon_model_get_string_buffer(u32 chip_id, char *buffer); |
| |
| /** |
| * Return the octeon family, i.e., ProcessorID of the PrID register. |
| * |
| * @return the octeon family on success, ((u32)-1) on error. |
| */ |
| static inline u32 cvmx_get_octeon_family(void) |
| { |
| return (read_c0_prid() & OCTEON_FAMILY_MASK); |
| } |
| |
| #endif /* __ASSEMBLY__ */ |
| |
| #endif /* __OCTEON_MODEL_H__ */ |