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77 lines
2.2 KiB
77 lines
2.2 KiB
/*
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* Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef MCE_H
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#define MCE_H
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#include <lib/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 = 0U,
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MCE_CMD_UPDATE_CSTATE_INFO = 1U,
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MCE_CMD_UPDATE_CROSSOVER_TIME = 2U,
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MCE_CMD_READ_CSTATE_STATS = 3U,
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MCE_CMD_WRITE_CSTATE_STATS = 4U,
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MCE_CMD_IS_SC7_ALLOWED = 5U,
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MCE_CMD_ONLINE_CORE = 6U,
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MCE_CMD_CC3_CTRL = 7U,
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MCE_CMD_ECHO_DATA = 8U,
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MCE_CMD_READ_VERSIONS = 9U,
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MCE_CMD_ENUM_FEATURES = 10U,
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MCE_CMD_ROC_FLUSH_CACHE_TRBITS = 11U,
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MCE_CMD_ENUM_READ_MCA = 12U,
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MCE_CMD_ENUM_WRITE_MCA = 13U,
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MCE_CMD_ROC_FLUSH_CACHE = 14U,
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MCE_CMD_ROC_CLEAN_CACHE = 15U,
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MCE_CMD_ENABLE_LATIC = 16U,
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MCE_CMD_UNCORE_PERFMON_REQ = 17U,
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MCE_CMD_MISC_CCPLEX = 18U,
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MCE_CMD_IS_CCX_ALLOWED = 0xFEU,
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MCE_CMD_MAX = 0xFFU,
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} mce_cmd_t;
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#define MCE_CMD_MASK 0xFFU
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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 0xFFFFFFFFU
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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(uint64_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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__dead2 void mce_enter_ccplex_state(uint32_t state_idx);
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void mce_update_cstate_info(const 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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