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rt-thread-official/bsp/imxrt/libraries/MIMXRT1170/MIMXRT1176/drivers/fsl_snvs_hp.h

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/*
* Copyright (c) 2016, Freescale Semiconductor, Inc.
* Copyright 2017-2022, NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef _FSL_SNVS_HP_H_
#define _FSL_SNVS_HP_H_
#include "fsl_common.h"
/*!
* @addtogroup snvs_hp
* @{
*/
/*******************************************************************************
* Definitions
******************************************************************************/
/*! @name Driver version */
/*@{*/
#define FSL_SNVS_HP_DRIVER_VERSION (MAKE_VERSION(2, 3, 2)) /*!< Version 2.3.2 */
/*@}*/
/*! @brief List of SNVS interrupts */
typedef enum _snvs_hp_interrupts
{
kSNVS_RTC_AlarmInterrupt = SNVS_HPCR_HPTA_EN_MASK, /*!< RTC time alarm */
kSNVS_RTC_PeriodicInterrupt = SNVS_HPCR_PI_EN_MASK, /*!< RTC periodic interrupt */
} snvs_hp_interrupts_t;
/*! @brief List of SNVS flags */
typedef enum _snvs_hp_status_flags
{
kSNVS_RTC_AlarmInterruptFlag = SNVS_HPSR_HPTA_MASK, /*!< RTC time alarm flag */
kSNVS_RTC_PeriodicInterruptFlag = SNVS_HPSR_PI_MASK, /*!< RTC periodic interrupt flag */
kSNVS_ZMK_ZeroFlag = (int)SNVS_HPSR_ZMK_ZERO_MASK, /*!< The ZMK is zero */
kSNVS_OTPMK_ZeroFlag = SNVS_HPSR_OTPMK_ZERO_MASK, /*!< The OTPMK is zero */
} snvs_hp_status_flags_t;
/* Re-map Security Violation for RT11xx specific violation*/
#ifndef SNVS_HPSVSR_SV0_MASK
#define SNVS_HPSVSR_SV0_MASK SNVS_HPSVSR_CAAM_MASK
#endif
#ifndef SNVS_HPSVSR_SV1_MASK
#define SNVS_HPSVSR_SV1_MASK SNVS_HPSVSR_JTAGC_MASK
#endif
#ifndef SNVS_HPSVSR_SV2_MASK
#define SNVS_HPSVSR_SV2_MASK SNVS_HPSVSR_WDOG2_MASK
#endif
#ifndef SNVS_HPSVSR_SV4_MASK
#define SNVS_HPSVSR_SV4_MASK SNVS_HPSVSR_SRC_MASK
#endif
#ifndef SNVS_HPSVSR_SV5_MASK
#define SNVS_HPSVSR_SV5_MASK SNVS_HPSVSR_OCOTP_MASK
#endif
/*! @brief List of SNVS security violation flags */
typedef enum _snvs_hp_sv_status_flags
{
kSNVS_LP_ViolationFlag = SNVS_HPSVSR_SW_LPSV_MASK, /*!< Low Power section Security Violation */
kSNVS_ZMK_EccFailFlag = SNVS_HPSVSR_ZMK_ECC_FAIL_MASK, /*!< Zeroizable Master Key Error Correcting Code Check
Failure */
kSNVS_LP_SoftwareViolationFlag = SNVS_HPSVSR_SW_LPSV_MASK, /*!< LP Software Security Violation */
kSNVS_FatalSoftwareViolationFlag = SNVS_HPSVSR_SW_FSV_MASK, /*!< Software Fatal Security Violation */
kSNVS_SoftwareViolationFlag = SNVS_HPSVSR_SW_SV_MASK, /*!< Software Security Violation */
kSNVS_Violation0Flag = SNVS_HPSVSR_SV0_MASK, /*!< Security Violation 0 */
kSNVS_Violation1Flag = SNVS_HPSVSR_SV1_MASK, /*!< Security Violation 1 */
kSNVS_Violation2Flag = SNVS_HPSVSR_SV2_MASK, /*!< Security Violation 2 */
#if defined(SNVS_HPSVSR_SV3_MASK)
kSNVS_Violation3Flag = SNVS_HPSVSR_SV3_MASK, /*!< Security Violation 3 */
#endif /* SNVS_HPSVSR_SV3_MASK */
kSNVS_Violation4Flag = SNVS_HPSVSR_SV4_MASK, /*!< Security Violation 4 */
kSNVS_Violation5Flag = SNVS_HPSVSR_SV5_MASK, /*!< Security Violation 5 */
} snvs_hp_sv_status_flags_t;
/*!
* @brief Macro to make security violation flag
*
* Macro help to make security violation flag kSNVS_Violation0Flag to kSNVS_Violation5Flag,
* For example, SNVS_MAKE_HP_SV_FLAG(0) is kSNVS_Violation0Flag.
*/
#define SNVS_MAKE_HP_SV_FLAG(x) (1U << (SNVS_HPSVSR_SV0_SHIFT + (x)))
/*! @brief Structure is used to hold the date and time */
typedef struct _snvs_hp_rtc_datetime
{
uint16_t year; /*!< Range from 1970 to 2099.*/
uint8_t month; /*!< Range from 1 to 12.*/
uint8_t day; /*!< Range from 1 to 31 (depending on month).*/
uint8_t hour; /*!< Range from 0 to 23.*/
uint8_t minute; /*!< Range from 0 to 59.*/
uint8_t second; /*!< Range from 0 to 59.*/
} snvs_hp_rtc_datetime_t;
/*!
* @brief SNVS config structure
*
* This structure holds the configuration settings for the SNVS peripheral. To initialize this
* structure to reasonable defaults, call the SNVS_GetDefaultConfig() function and pass a
* pointer to your config structure instance.
*
* The config struct can be made const so it resides in flash
*/
typedef struct _snvs_hp_rtc_config
{
bool rtcCalEnable; /*!< true: RTC calibration mechanism is enabled;
false:No calibration is used */
uint32_t rtcCalValue; /*!< Defines signed calibration value for nonsecure RTC;
This is a 5-bit 2's complement value, range from -16 to +15 */
uint32_t periodicInterruptFreq; /*!< Defines frequency of the periodic interrupt;
Range from 0 to 15 */
} snvs_hp_rtc_config_t;
/*! @brief List of SNVS Security State Machine State */
typedef enum _snvs_hp_ssm_state
{
kSNVS_SSMInit = 0x00, /*!< Init */
kSNVS_SSMHardFail = 0x01, /*!< Hard Fail */
kSNVS_SSMSoftFail = 0x03, /*!< Soft Fail */
kSNVS_SSMInitInter = 0x08, /*!< Init Intermediate (transition state between Init and Check) */
kSNVS_SSMCheck = 0x09, /*!< Check */
kSNVS_SSMNonSecure = 0x0B, /*!< Non-Secure */
kSNVS_SSMTrusted = 0x0D, /*!< Trusted */
kSNVS_SSMSecure = 0x0F, /*!< Secure */
} snvs_hp_ssm_state_t;
/*******************************************************************************
* API
******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif
/*!
* @name Initialization and deinitialization
* @{
*/
/*!
* @brief Initialize the SNVS.
*
* @note This API should be called at the beginning of the application using the SNVS driver.
*
* @param base SNVS peripheral base address
*/
void SNVS_HP_Init(SNVS_Type *base);
/*!
* @brief Deinitialize the SNVS.
*
* @param base SNVS peripheral base address
*/
void SNVS_HP_Deinit(SNVS_Type *base);
/*!
* @brief Ungates the SNVS clock and configures the peripheral for basic operation.
*
* @note This API should be called at the beginning of the application using the SNVS driver.
*
* @param base SNVS peripheral base address
* @param config Pointer to the user's SNVS configuration structure.
*/
void SNVS_HP_RTC_Init(SNVS_Type *base, const snvs_hp_rtc_config_t *config);
/*!
* @brief Stops the RTC and SRTC timers.
*
* @param base SNVS peripheral base address
*/
void SNVS_HP_RTC_Deinit(SNVS_Type *base);
/*!
* @brief Fills in the SNVS config struct with the default settings.
*
* The default values are as follows.
* @code
* config->rtccalenable = false;
* config->rtccalvalue = 0U;
* config->PIFreq = 0U;
* @endcode
* @param config Pointer to the user's SNVS configuration structure.
*/
void SNVS_HP_RTC_GetDefaultConfig(snvs_hp_rtc_config_t *config);
/*! @}*/
/*!
* @name Non secure RTC current Time & Alarm
* @{
*/
/*!
* @brief Sets the SNVS RTC date and time according to the given time structure.
*
* @param base SNVS peripheral base address
* @param datetime Pointer to the structure where the date and time details are stored.
*
* @return kStatus_Success: Success in setting the time and starting the SNVS RTC
* kStatus_InvalidArgument: Error because the datetime format is incorrect
*/
status_t SNVS_HP_RTC_SetDatetime(SNVS_Type *base, const snvs_hp_rtc_datetime_t *datetime);
/*!
* @brief Gets the SNVS RTC time and stores it in the given time structure.
*
* @param base SNVS peripheral base address
* @param datetime Pointer to the structure where the date and time details are stored.
*/
void SNVS_HP_RTC_GetDatetime(SNVS_Type *base, snvs_hp_rtc_datetime_t *datetime);
/*!
* @brief Sets the SNVS RTC alarm time.
*
* The function sets the RTC alarm. It also checks whether the specified alarm time
* is greater than the present time. If not, the function does not set the alarm
* and returns an error.
*
* @param base SNVS peripheral base address
* @param alarmTime Pointer to the structure where the alarm time is stored.
*
* @return kStatus_Success: success in setting the SNVS RTC alarm
* kStatus_InvalidArgument: Error because the alarm datetime format is incorrect
* kStatus_Fail: Error because the alarm time has already passed
*/
status_t SNVS_HP_RTC_SetAlarm(SNVS_Type *base, const snvs_hp_rtc_datetime_t *alarmTime);
/*!
* @brief Returns the SNVS RTC alarm time.
*
* @param base SNVS peripheral base address
* @param datetime Pointer to the structure where the alarm date and time details are stored.
*/
void SNVS_HP_RTC_GetAlarm(SNVS_Type *base, snvs_hp_rtc_datetime_t *datetime);
#if (defined(FSL_FEATURE_SNVS_HAS_SRTC) && (FSL_FEATURE_SNVS_HAS_SRTC > 0))
/*!
* @brief The function synchronizes RTC counter value with SRTC.
*
* @param base SNVS peripheral base address
*/
void SNVS_HP_RTC_TimeSynchronize(SNVS_Type *base);
#endif /* FSL_FEATURE_SNVS_HAS_SRTC */
/*! @}*/
/*!
* @name Interrupt Interface
* @{
*/
/*!
* @brief Enables the selected SNVS interrupts.
*
* @param base SNVS peripheral base address
* @param mask The interrupts to enable. This is a logical OR of members of the
* enumeration :: _snvs_hp_interrupts_t
*/
static inline void SNVS_HP_RTC_EnableInterrupts(SNVS_Type *base, uint32_t mask)
{
base->HPCR |= mask;
}
/*!
* @brief Disables the selected SNVS interrupts.
*
* @param base SNVS peripheral base address
* @param mask The interrupts to disable. This is a logical OR of members of the
* enumeration :: _snvs_hp_interrupts_t
*/
static inline void SNVS_HP_RTC_DisableInterrupts(SNVS_Type *base, uint32_t mask)
{
base->HPCR &= ~mask;
}
/*!
* @brief Gets the enabled SNVS interrupts.
*
* @param base SNVS peripheral base address
*
* @return The enabled interrupts. This is the logical OR of members of the
* enumeration :: _snvs_hp_interrupts_t
*/
uint32_t SNVS_HP_RTC_GetEnabledInterrupts(SNVS_Type *base);
/*! @}*/
/*!
* @name Status Interface
* @{
*/
/*!
* @brief Gets the SNVS status flags.
*
* @param base SNVS peripheral base address
*
* @return The status flags. This is the logical OR of members of the
* enumeration :: _snvs_hp_status_flags_t
*/
uint32_t SNVS_HP_RTC_GetStatusFlags(SNVS_Type *base);
/*!
* @brief Clears the SNVS status flags.
*
* @param base SNVS peripheral base address
* @param mask The status flags to clear. This is a logical OR of members of the
* enumeration :: _snvs_hp_status_flags_t
*/
static inline void SNVS_HP_RTC_ClearStatusFlags(SNVS_Type *base, uint32_t mask)
{
base->HPSR |= mask;
}
/*! @}*/
/*!
* @name Timer Start and Stop
* @{
*/
/*!
* @brief Starts the SNVS RTC time counter.
*
* @param base SNVS peripheral base address
*/
static inline void SNVS_HP_RTC_StartTimer(SNVS_Type *base)
{
base->HPCR |= SNVS_HPCR_RTC_EN_MASK;
while (0U == (base->HPCR & SNVS_HPCR_RTC_EN_MASK))
{
}
}
/*!
* @brief Stops the SNVS RTC time counter.
*
* @param base SNVS peripheral base address
*/
static inline void SNVS_HP_RTC_StopTimer(SNVS_Type *base)
{
base->HPCR &= ~SNVS_HPCR_RTC_EN_MASK;
while ((base->HPCR & SNVS_HPCR_RTC_EN_MASK) != 0U)
{
}
}
/*! @}*/
/*!
* @brief Enable or disable master key selection.
*
* @param base SNVS peripheral base address
* @param enable Pass true to enable, false to disable.
*/
static inline void SNVS_HP_EnableMasterKeySelection(SNVS_Type *base, bool enable)
{
if (enable)
{
base->HPCOMR |= SNVS_HPCOMR_MKS_EN_MASK;
}
else
{
base->HPCOMR &= (~SNVS_HPCOMR_MKS_EN_MASK);
}
}
/*!
* @brief Trigger to program Zeroizable Master Key.
*
* @param base SNVS peripheral base address
*/
static inline void SNVS_HP_ProgramZeroizableMasterKey(SNVS_Type *base)
{
base->HPCOMR |= SNVS_HPCOMR_PROG_ZMK_MASK;
}
/*!
* @brief Trigger SSM State Transition
*
* Trigger state transition of the system security monitor (SSM). It results only
* the following transitions of the SSM:
* - Check State -> Non-Secure (when Non-Secure Boot and not in Fab Configuration)
* - Check State --> Trusted (when Secure Boot or in Fab Configuration )
* - Trusted State --> Secure
* - Secure State --> Trusted
* - Soft Fail --> Non-Secure
*
* @param base SNVS peripheral base address
*/
static inline void SNVS_HP_ChangeSSMState(SNVS_Type *base)
{
base->HPCOMR |= SNVS_HPCOMR_SSM_ST_MASK;
}
/*!
* @brief Trigger Software Fatal Security Violation
*
* The result SSM state transition is:
* - Check State -> Soft Fail
* - Non-Secure State -> Soft Fail
* - Trusted State -> Soft Fail
* - Secure State -> Soft Fail
*
* @param base SNVS peripheral base address
*/
static inline void SNVS_HP_SetSoftwareFatalSecurityViolation(SNVS_Type *base)
{
base->HPCOMR |= SNVS_HPCOMR_SW_FSV_MASK;
}
/*!
* @brief Trigger Software Security Violation
*
* The result SSM state transition is:
* - Check -> Non-Secure
* - Trusted -> Soft Fail
* - Secure -> Soft Fail
*
* @param base SNVS peripheral base address
*/
static inline void SNVS_HP_SetSoftwareSecurityViolation(SNVS_Type *base)
{
base->HPCOMR |= SNVS_HPCOMR_SW_SV_MASK;
}
/*!
* @brief Get current SSM State
*
* @param base SNVS peripheral base address
* @return Current SSM state
*/
static inline snvs_hp_ssm_state_t SNVS_HP_GetSSMState(SNVS_Type *base)
{
return (snvs_hp_ssm_state_t)((uint32_t)((base->HPSR & SNVS_HPSR_SSM_STATE_MASK) >> SNVS_HPSR_SSM_STATE_SHIFT));
}
/*!
* @brief Reset the SNVS LP section.
*
* Reset the LP section except SRTC and Time alarm.
*
* @param base SNVS peripheral base address
*/
static inline void SNVS_HP_ResetLP(SNVS_Type *base)
{
base->HPCOMR |= SNVS_HPCOMR_LP_SWR_MASK;
}
/*!
* @name High Assurance Counter (HAC)
* @{
*/
/*!
* @brief Enable or disable the High Assurance Counter (HAC)
*
* @param base SNVS peripheral base address
* @param enable Pass true to enable, false to disable.
*/
static inline void SNVS_HP_EnableHighAssuranceCounter(SNVS_Type *base, bool enable)
{
if (enable)
{
base->HPCOMR |= SNVS_HPCOMR_HAC_EN_MASK;
}
else
{
base->HPCOMR &= (~SNVS_HPCOMR_HAC_EN_MASK);
}
}
/*!
* @brief Start or stop the High Assurance Counter (HAC)
*
* @param base SNVS peripheral base address
* @param start Pass true to start, false to stop.
*/
static inline void SNVS_HP_StartHighAssuranceCounter(SNVS_Type *base, bool start)
{
if (start)
{
base->HPCOMR &= (~SNVS_HPCOMR_HAC_STOP_MASK);
}
else
{
base->HPCOMR |= SNVS_HPCOMR_HAC_STOP_MASK;
}
}
/*!
* @brief Set the High Assurance Counter (HAC) initialize value.
*
* @param base SNVS peripheral base address
* @param value The initial value to set.
*/
static inline void SNVS_HP_SetHighAssuranceCounterInitialValue(SNVS_Type *base, uint32_t value)
{
base->HPHACIVR = value;
}
/*!
* @brief Load the High Assurance Counter (HAC)
*
* This function loads the HAC initialize value to counter register.
*
* @param base SNVS peripheral base address
*/
static inline void SNVS_HP_LoadHighAssuranceCounter(SNVS_Type *base)
{
base->HPCOMR |= SNVS_HPCOMR_HAC_LOAD_MASK;
}
/*!
* @brief Get the current High Assurance Counter (HAC) value
*
* @param base SNVS peripheral base address
* @return HAC currnet value.
*/
static inline uint32_t SNVS_HP_GetHighAssuranceCounter(SNVS_Type *base)
{
return base->HPHACR;
}
/*!
* @brief Clear the High Assurance Counter (HAC)
*
* This function can be called in a functional or soft fail state. When the HAC
* is enabled:
* - If the HAC is cleared in the soft fail state, the SSM transitions to the
* hard fail state immediately;
* - If the HAC is cleared in functional state, the SSM will transition to
* hard fail immediately after transitioning to soft fail.
*
* @param base SNVS peripheral base address
*/
static inline void SNVS_HP_ClearHighAssuranceCounter(SNVS_Type *base)
{
base->HPCOMR |= SNVS_HPCOMR_HAC_CLEAR_MASK;
}
/*!
* @brief Lock the High Assurance Counter (HAC)
*
* Once locked, the HAC initialize value could not be changed, the HAC enable
* status could not be changed. This could only be unlocked by system reset.
*
* @param base SNVS peripheral base address
*/
static inline void SNVS_HP_LockHighAssuranceCounter(SNVS_Type *base)
{
base->HPLR |= SNVS_HPLR_HAC_L_MASK;
}
/*! @}*/
/*!
* @brief Get the SNVS HP status flags.
*
* The flags are returned as the OR'ed value f the
* enumeration :: _snvs_hp_status_flags_t.
*
* @param base SNVS peripheral base address
* @return The OR'ed value of status flags.
*/
static inline uint32_t SNVS_HP_GetStatusFlags(SNVS_Type *base)
{
return base->HPSR;
}
/*!
* @brief Clear the SNVS HP status flags.
*
* The flags to clear are passed in as the OR'ed value of the
* enumeration :: _snvs_hp_status_flags_t.
* Only these flags could be cleared using this API.
* - @ref kSNVS_RTC_PeriodicInterruptFlag
* - @ref kSNVS_RTC_AlarmInterruptFlag
*
* @param base SNVS peripheral base address
* @param mask OR'ed value of the flags to clear.
*/
static inline void SNVS_HP_ClearStatusFlags(SNVS_Type *base, uint32_t mask)
{
base->HPSR = mask;
}
/*!
* @brief Get the SNVS HP security violation status flags.
*
* The flags are returned as the OR'ed value of the
* enumeration :: _snvs_hp_sv_status_flags_t.
*
* @param base SNVS peripheral base address
* @return The OR'ed value of security violation status flags.
*/
static inline uint32_t SNVS_HP_GetSecurityViolationStatusFlags(SNVS_Type *base)
{
return base->HPSVSR;
}
/*!
* @brief Clear the SNVS HP security violation status flags.
*
* The flags to clear are passed in as the OR'ed value of the
* enumeration :: _snvs_hp_sv_status_flags_t.
* Only these flags could be cleared using this API.
*
* - @ref kSNVS_ZMK_EccFailFlag
* - @ref kSNVS_Violation0Flag
* - @ref kSNVS_Violation1Flag
* - @ref kSNVS_Violation2Flag
* - kSNVS_Violation3Flag
* - @ref kSNVS_Violation4Flag
* - @ref kSNVS_Violation5Flag
*
* @param base SNVS peripheral base address
* @param mask OR'ed value of the flags to clear.
*/
static inline void SNVS_HP_ClearSecurityViolationStatusFlags(SNVS_Type *base, uint32_t mask)
{
base->HPSVSR = mask;
}
#if defined(FSL_FEATURE_SNVS_HAS_SET_LOCK) && (FSL_FEATURE_SNVS_HAS_SET_LOCK > 0)
/*!
* brief Set SNVS HP Set locks.
*
* param base SNVS peripheral base address
*
*/
void SNVS_HP_SetLocks(SNVS_Type *base);
#endif /* FSL_FEATURE_SNVS_HAS_SET_LOCK */
#if defined(__cplusplus)
}
#endif
/*! @}*/
#endif /* _FSL_SNVS_HP_H_ */
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