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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 checks for different Octeon features. */ #ifndef __OCTEON_FEATURE_H__ #define __OCTEON_FEATURE_H__ #include <asm/octeon/cvmx-mio-defs.h> #include <asm/octeon/cvmx-rnm-defs.h> enum octeon_feature { /* CN68XX uses port kinds for packet interface */ OCTEON_FEATURE_PKND, /* CN68XX has different fields in word0 - word2 */ OCTEON_FEATURE_CN68XX_WQE, /* * Octeon models in the CN5XXX family and higher support * atomic add instructions to memory (saa/saad). */ OCTEON_FEATURE_SAAD, /* Does this Octeon support the ZIP offload engine? */ OCTEON_FEATURE_ZIP, OCTEON_FEATURE_DORM_CRYPTO, /* Does this Octeon support PCI express? */ OCTEON_FEATURE_PCIE, /* Does this Octeon support SRIOs */ OCTEON_FEATURE_SRIO, /* Does this Octeon support Interlaken */ OCTEON_FEATURE_ILK, /* Some Octeon models support internal memory for storing * cryptographic keys */ OCTEON_FEATURE_KEY_MEMORY, /* Octeon has a LED controller for banks of external LEDs */ OCTEON_FEATURE_LED_CONTROLLER, /* Octeon has a trace buffer */ OCTEON_FEATURE_TRA, /* Octeon has a management port */ OCTEON_FEATURE_MGMT_PORT, /* Octeon has a raid unit */ OCTEON_FEATURE_RAID, /* Octeon has a builtin USB */ OCTEON_FEATURE_USB, /* Octeon IPD can run without using work queue entries */ OCTEON_FEATURE_NO_WPTR, /* Octeon has DFA state machines */ OCTEON_FEATURE_DFA, /* Octeon MDIO block supports clause 45 transactions for 10 * Gig support */ OCTEON_FEATURE_MDIO_CLAUSE_45, /* * CN52XX and CN56XX used a block named NPEI for PCIe * access. Newer chips replaced this with SLI+DPI. */ OCTEON_FEATURE_NPEI, OCTEON_FEATURE_HFA, OCTEON_FEATURE_DFM, OCTEON_FEATURE_CIU2, OCTEON_FEATURE_CIU3, /* Octeon has FPA first seen on 78XX */ OCTEON_FEATURE_FPA3, OCTEON_FEATURE_FAU, OCTEON_MAX_FEATURE }; enum octeon_feature_bits { OCTEON_HAS_CRYPTO = 0x0001, /* Crypto acceleration using COP2 */ }; extern enum octeon_feature_bits __octeon_feature_bits; /** * octeon_has_crypto() - Check if this OCTEON has crypto acceleration support. * * Returns: Non-zero if the feature exists. Zero if the feature does not exist. */ static inline int octeon_has_crypto(void) { return __octeon_feature_bits & OCTEON_HAS_CRYPTO; } /** * Determine if the current Octeon supports a specific feature. These * checks have been optimized to be fairly quick, but they should still * be kept out of fast path code. * * @feature: Feature to check for. This should always be a constant so the * compiler can remove the switch statement through optimization. * * Returns Non zero if the feature exists. Zero if the feature does not * exist. */ static inline bool octeon_has_feature(enum octeon_feature feature) { switch (feature) { case OCTEON_FEATURE_SAAD: return !OCTEON_IS_MODEL(OCTEON_CN3XXX); case OCTEON_FEATURE_DORM_CRYPTO: if (OCTEON_IS_MODEL(OCTEON_CN6XXX)) { union cvmx_mio_fus_dat2 fus_2; fus_2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2); return !fus_2.s.nocrypto && !fus_2.s.nomul && fus_2.s.dorm_crypto; } else { return false; } case OCTEON_FEATURE_PCIE: return OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CN7XXX); case OCTEON_FEATURE_SRIO: return OCTEON_IS_MODEL(OCTEON_CN63XX) || OCTEON_IS_MODEL(OCTEON_CN66XX); case OCTEON_FEATURE_ILK: return (OCTEON_IS_MODEL(OCTEON_CN68XX)); case OCTEON_FEATURE_KEY_MEMORY: return OCTEON_IS_MODEL(OCTEON_CN38XX) || OCTEON_IS_MODEL(OCTEON_CN58XX) || OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN6XXX); case OCTEON_FEATURE_LED_CONTROLLER: return OCTEON_IS_MODEL(OCTEON_CN38XX) || OCTEON_IS_MODEL(OCTEON_CN58XX) || OCTEON_IS_MODEL(OCTEON_CN56XX); case OCTEON_FEATURE_TRA: return !(OCTEON_IS_MODEL(OCTEON_CN30XX) || OCTEON_IS_MODEL(OCTEON_CN50XX)); case OCTEON_FEATURE_MGMT_PORT: return OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN6XXX); case OCTEON_FEATURE_RAID: return OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN6XXX); case OCTEON_FEATURE_USB: return !(OCTEON_IS_MODEL(OCTEON_CN38XX) || OCTEON_IS_MODEL(OCTEON_CN58XX)); case OCTEON_FEATURE_NO_WPTR: return (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN6XXX)) && !OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X) && !OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X); case OCTEON_FEATURE_MDIO_CLAUSE_45: return !(OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN58XX) || OCTEON_IS_MODEL(OCTEON_CN50XX)); case OCTEON_FEATURE_NPEI: return OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX); case OCTEON_FEATURE_PKND: return OCTEON_IS_MODEL(OCTEON_CN68XX); case OCTEON_FEATURE_CN68XX_WQE: return OCTEON_IS_MODEL(OCTEON_CN68XX); case OCTEON_FEATURE_CIU2: return OCTEON_IS_MODEL(OCTEON_CN68XX); case OCTEON_FEATURE_CIU3: case OCTEON_FEATURE_FPA3: return OCTEON_IS_MODEL(OCTEON_CN78XX) || OCTEON_IS_MODEL(OCTEON_CNF75XX) || OCTEON_IS_MODEL(OCTEON_CN73XX); case OCTEON_FEATURE_FAU: return !(OCTEON_IS_MODEL(OCTEON_CN78XX) || OCTEON_IS_MODEL(OCTEON_CNF75XX) || OCTEON_IS_MODEL(OCTEON_CN73XX)); default: break; } return false; } #endif /* __OCTEON_FEATURE_H__ */
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