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+/***********************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__ */