blob: 81408702f9922ba4c487cedef866e5f5758f9526 [file] [log] [blame]
/*
* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef MCE_H
#define MCE_H
#include <mmio.h>
#include <tegra_def.h>
/*******************************************************************************
* MCE commands
******************************************************************************/
typedef enum mce_cmd {
MCE_CMD_ENTER_CSTATE = 0U,
MCE_CMD_UPDATE_CSTATE_INFO = 1U,
MCE_CMD_UPDATE_CROSSOVER_TIME = 2U,
MCE_CMD_READ_CSTATE_STATS = 3U,
MCE_CMD_WRITE_CSTATE_STATS = 4U,
MCE_CMD_IS_SC7_ALLOWED = 5U,
MCE_CMD_ONLINE_CORE = 6U,
MCE_CMD_CC3_CTRL = 7U,
MCE_CMD_ECHO_DATA = 8U,
MCE_CMD_READ_VERSIONS = 9U,
MCE_CMD_ENUM_FEATURES = 10U,
MCE_CMD_ROC_FLUSH_CACHE_TRBITS = 11U,
MCE_CMD_ENUM_READ_MCA = 12U,
MCE_CMD_ENUM_WRITE_MCA = 13U,
MCE_CMD_ROC_FLUSH_CACHE = 14U,
MCE_CMD_ROC_CLEAN_CACHE = 15U,
MCE_CMD_ENABLE_LATIC = 16U,
MCE_CMD_UNCORE_PERFMON_REQ = 17U,
MCE_CMD_MISC_CCPLEX = 18U,
MCE_CMD_IS_CCX_ALLOWED = 0xFEU,
MCE_CMD_MAX = 0xFFU,
} mce_cmd_t;
#define MCE_CMD_MASK 0xFFU
/*******************************************************************************
* Timeout value used to powerdown a core
******************************************************************************/
#define MCE_CORE_SLEEP_TIME_INFINITE 0xFFFFFFFFU
/*******************************************************************************
* Struct to prepare UPDATE_CSTATE_INFO request
******************************************************************************/
typedef struct mce_cstate_info {
/* cluster cstate value */
uint32_t cluster;
/* ccplex cstate value */
uint32_t ccplex;
/* system cstate value */
uint32_t system;
/* force system state? */
uint8_t system_state_force;
/* wake mask value */
uint32_t wake_mask;
/* update the wake mask? */
uint8_t update_wake_mask;
} mce_cstate_info_t;
/* public interfaces */
int mce_command_handler(uint64_t cmd, uint64_t arg0, uint64_t arg1,
uint64_t arg2);
int mce_update_reset_vector(void);
int mce_update_gsc_videomem(void);
int mce_update_gsc_tzdram(void);
int mce_update_gsc_tzram(void);
__dead2 void mce_enter_ccplex_state(uint32_t state_idx);
void mce_update_cstate_info(const mce_cstate_info_t *cstate);
void mce_verify_firmware_version(void);
#endif /* MCE_H */