79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
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/***********************license start***************
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* Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Cavium Inc. nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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* This Software, including technical data, may be subject to U.S. export control
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* laws, including the U.S. Export Administration Act and its associated
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* regulations, and may be subject to export or import regulations in other
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* countries.
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
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* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
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* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
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* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
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* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
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* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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***********************license end**************************************/
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/**
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* @file
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*
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* Helper utilities for enabling crypto.
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*
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* <hr>$Revision: $<hr>
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*/
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#include "executive-config.h"
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#include "cvmx-config.h"
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#include "cvmx.h"
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int cvmx_crypto_dormant_enable(uint64_t key)
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{
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if (octeon_has_feature(OCTEON_FEATURE_CRYPTO))
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return 1;
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if (octeon_has_feature(OCTEON_FEATURE_DORM_CRYPTO)) {
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cvmx_rnm_eer_key_t v;
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v.s.key = key;
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cvmx_write_csr(CVMX_RNM_EER_KEY, v.u64);
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}
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return octeon_has_feature(OCTEON_FEATURE_CRYPTO);
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}
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uint64_t cvmx_crypto_dormant_dbg(void)
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{
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cvmx_rnm_eer_dbg_t dbg;
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if (!octeon_has_feature(OCTEON_FEATURE_DORM_CRYPTO))
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return 0;
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dbg.u64 = cvmx_read_csr(CVMX_RNM_EER_DBG);
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return dbg.s.dat;
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}
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