101 lines
3.7 KiB
C
101 lines
3.7 KiB
C
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/*
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* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
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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 met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __MCE_H__
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#define __MCE_H__
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#include <mmio.h>
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#include <tegra_def.h>
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/*******************************************************************************
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* MCE commands
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******************************************************************************/
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typedef enum mce_cmd {
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MCE_CMD_ENTER_CSTATE = 0,
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MCE_CMD_UPDATE_CSTATE_INFO = 1,
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MCE_CMD_UPDATE_CROSSOVER_TIME = 2,
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MCE_CMD_READ_CSTATE_STATS = 3,
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MCE_CMD_WRITE_CSTATE_STATS = 4,
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MCE_CMD_IS_SC7_ALLOWED = 5,
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MCE_CMD_ONLINE_CORE = 6,
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MCE_CMD_CC3_CTRL = 7,
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MCE_CMD_ECHO_DATA = 8,
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MCE_CMD_READ_VERSIONS = 9,
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MCE_CMD_ENUM_FEATURES = 10,
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MCE_CMD_ROC_FLUSH_CACHE_TRBITS = 11,
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MCE_CMD_ENUM_READ_MCA = 12,
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MCE_CMD_ENUM_WRITE_MCA = 13,
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MCE_CMD_ROC_FLUSH_CACHE = 14,
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MCE_CMD_ROC_CLEAN_CACHE = 15,
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MCE_CMD_ENABLE_LATIC = 16,
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MCE_CMD_UNCORE_PERFMON_REQ = 17,
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MCE_CMD_MISC_CCPLEX = 18,
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MCE_CMD_IS_CCX_ALLOWED = 0xFE,
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MCE_CMD_MAX = 0xFF,
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} mce_cmd_t;
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#define MCE_CMD_MASK 0xFF
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/*******************************************************************************
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* Timeout value used to powerdown a core
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******************************************************************************/
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#define MCE_CORE_SLEEP_TIME_INFINITE 0xFFFFFFFF
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/*******************************************************************************
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* Struct to prepare UPDATE_CSTATE_INFO request
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******************************************************************************/
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typedef struct mce_cstate_info {
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/* cluster cstate value */
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uint32_t cluster;
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/* ccplex cstate value */
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uint32_t ccplex;
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/* system cstate value */
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uint32_t system;
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/* force system state? */
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uint8_t system_state_force;
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/* wake mask value */
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uint32_t wake_mask;
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/* update the wake mask? */
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uint8_t update_wake_mask;
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} mce_cstate_info_t;
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/* public interfaces */
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int mce_command_handler(mce_cmd_t cmd, uint64_t arg0, uint64_t arg1,
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uint64_t arg2);
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int mce_update_reset_vector(void);
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int mce_update_gsc_videomem(void);
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int mce_update_gsc_tzdram(void);
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int mce_update_gsc_tzram(void);
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__dead2 void mce_enter_ccplex_state(uint32_t state_idx);
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void mce_update_cstate_info(mce_cstate_info_t *cstate);
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void mce_verify_firmware_version(void);
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#endif /* __MCE_H__ */
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