650 lines
18 KiB
C
650 lines
18 KiB
C
/*
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* Copyright (c) 2016, Freescale Semiconductor, Inc.
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* Copyright 2017-2021, NXP
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* 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 _FSL_SNVS_HP_H_
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#define _FSL_SNVS_HP_H_
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#include "fsl_common.h"
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/*!
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* @addtogroup snvs_hp
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* @{
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*/
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/*! @name Driver version */
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/*@{*/
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#define FSL_SNVS_HP_DRIVER_VERSION (MAKE_VERSION(2, 3, 1)) /*!< Version 2.3.1 */
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/*@}*/
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/*! @brief List of SNVS interrupts */
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typedef enum _snvs_hp_interrupts
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{
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kSNVS_RTC_AlarmInterrupt = SNVS_HPCR_HPTA_EN_MASK, /*!< RTC time alarm */
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kSNVS_RTC_PeriodicInterrupt = SNVS_HPCR_PI_EN_MASK, /*!< RTC periodic interrupt */
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} snvs_hp_interrupts_t;
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/*! @brief List of SNVS flags */
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typedef enum _snvs_hp_status_flags
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{
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kSNVS_RTC_AlarmInterruptFlag = SNVS_HPSR_HPTA_MASK, /*!< RTC time alarm flag */
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kSNVS_RTC_PeriodicInterruptFlag = SNVS_HPSR_PI_MASK, /*!< RTC periodic interrupt flag */
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kSNVS_ZMK_ZeroFlag = (int)SNVS_HPSR_ZMK_ZERO_MASK, /*!< The ZMK is zero */
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kSNVS_OTPMK_ZeroFlag = SNVS_HPSR_OTPMK_ZERO_MASK, /*!< The OTPMK is zero */
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} snvs_hp_status_flags_t;
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/* Re-map Security Violation for RT11xx specific violation*/
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#ifndef SNVS_HPSVSR_SV0_MASK
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#define SNVS_HPSVSR_SV0_MASK SNVS_HPSVSR_CAAM_MASK
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#endif
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#ifndef SNVS_HPSVSR_SV1_MASK
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#define SNVS_HPSVSR_SV1_MASK SNVS_HPSVSR_JTAGC_MASK
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#endif
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#ifndef SNVS_HPSVSR_SV2_MASK
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#define SNVS_HPSVSR_SV2_MASK SNVS_HPSVSR_WDOG2_MASK
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#endif
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#ifndef SNVS_HPSVSR_SV4_MASK
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#define SNVS_HPSVSR_SV4_MASK SNVS_HPSVSR_SRC_MASK
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#endif
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#ifndef SNVS_HPSVSR_SV5_MASK
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#define SNVS_HPSVSR_SV5_MASK SNVS_HPSVSR_OCOTP_MASK
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#endif
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/*! @brief List of SNVS security violation flags */
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typedef enum _snvs_hp_sv_status_flags
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{
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kSNVS_LP_ViolationFlag = SNVS_HPSVSR_SW_LPSV_MASK, /*!< Low Power section Security Violation */
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kSNVS_ZMK_EccFailFlag = SNVS_HPSVSR_ZMK_ECC_FAIL_MASK, /*!< Zeroizable Master Key Error Correcting Code Check
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Failure */
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kSNVS_LP_SoftwareViolationFlag = SNVS_HPSVSR_SW_LPSV_MASK, /*!< LP Software Security Violation */
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kSNVS_FatalSoftwareViolationFlag = SNVS_HPSVSR_SW_FSV_MASK, /*!< Software Fatal Security Violation */
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kSNVS_SoftwareViolationFlag = SNVS_HPSVSR_SW_SV_MASK, /*!< Software Security Violation */
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kSNVS_Violation0Flag = SNVS_HPSVSR_SV0_MASK, /*!< Security Violation 0 */
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kSNVS_Violation1Flag = SNVS_HPSVSR_SV1_MASK, /*!< Security Violation 1 */
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kSNVS_Violation2Flag = SNVS_HPSVSR_SV2_MASK, /*!< Security Violation 2 */
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#if defined(SNVS_HPSVSR_SV3_MASK)
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kSNVS_Violation3Flag = SNVS_HPSVSR_SV3_MASK, /*!< Security Violation 3 */
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#endif /* SNVS_HPSVSR_SV3_MASK */
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kSNVS_Violation4Flag = SNVS_HPSVSR_SV4_MASK, /*!< Security Violation 4 */
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kSNVS_Violation5Flag = SNVS_HPSVSR_SV5_MASK, /*!< Security Violation 5 */
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} snvs_hp_sv_status_flags_t;
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/*!
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* @brief Macro to make security violation flag
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*
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* Macro help to make security violation flag kSNVS_Violation0Flag to kSNVS_Violation5Flag,
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* For example, SNVS_MAKE_HP_SV_FLAG(0) is kSNVS_Violation0Flag.
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*/
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#define SNVS_MAKE_HP_SV_FLAG(x) (1U << (SNVS_HPSVSR_SV0_SHIFT + (x)))
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/*! @brief Structure is used to hold the date and time */
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typedef struct _snvs_hp_rtc_datetime
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{
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uint16_t year; /*!< Range from 1970 to 2099.*/
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uint8_t month; /*!< Range from 1 to 12.*/
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uint8_t day; /*!< Range from 1 to 31 (depending on month).*/
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uint8_t hour; /*!< Range from 0 to 23.*/
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uint8_t minute; /*!< Range from 0 to 59.*/
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uint8_t second; /*!< Range from 0 to 59.*/
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} snvs_hp_rtc_datetime_t;
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/*!
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* @brief SNVS config structure
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*
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* This structure holds the configuration settings for the SNVS peripheral. To initialize this
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* structure to reasonable defaults, call the SNVS_GetDefaultConfig() function and pass a
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* pointer to your config structure instance.
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*
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* The config struct can be made const so it resides in flash
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*/
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typedef struct _snvs_hp_rtc_config
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{
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bool rtcCalEnable; /*!< true: RTC calibration mechanism is enabled;
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false:No calibration is used */
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uint32_t rtcCalValue; /*!< Defines signed calibration value for nonsecure RTC;
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This is a 5-bit 2's complement value, range from -16 to +15 */
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uint32_t periodicInterruptFreq; /*!< Defines frequency of the periodic interrupt;
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Range from 0 to 15 */
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} snvs_hp_rtc_config_t;
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/*! @brief List of SNVS Security State Machine State */
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typedef enum _snvs_hp_ssm_state
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{
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kSNVS_SSMInit = 0x00, /*!< Init */
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kSNVS_SSMHardFail = 0x01, /*!< Hard Fail */
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kSNVS_SSMSoftFail = 0x03, /*!< Soft Fail */
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kSNVS_SSMInitInter = 0x08, /*!< Init Intermediate (transition state between Init and Check) */
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kSNVS_SSMCheck = 0x09, /*!< Check */
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kSNVS_SSMNonSecure = 0x0B, /*!< Non-Secure */
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kSNVS_SSMTrusted = 0x0D, /*!< Trusted */
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kSNVS_SSMSecure = 0x0F, /*!< Secure */
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} snvs_hp_ssm_state_t;
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/*******************************************************************************
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* API
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******************************************************************************/
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/*!
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* @name Initialization and deinitialization
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* @{
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*/
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/*!
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* @brief Initialize the SNVS.
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*
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* @note This API should be called at the beginning of the application using the SNVS driver.
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*
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* @param base SNVS peripheral base address
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*/
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void SNVS_HP_Init(SNVS_Type *base);
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/*!
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* @brief Deinitialize the SNVS.
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*
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* @param base SNVS peripheral base address
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*/
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void SNVS_HP_Deinit(SNVS_Type *base);
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/*!
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* @brief Ungates the SNVS clock and configures the peripheral for basic operation.
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*
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* @note This API should be called at the beginning of the application using the SNVS driver.
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*
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* @param base SNVS peripheral base address
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* @param config Pointer to the user's SNVS configuration structure.
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*/
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void SNVS_HP_RTC_Init(SNVS_Type *base, const snvs_hp_rtc_config_t *config);
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/*!
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* @brief Stops the RTC and SRTC timers.
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*
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* @param base SNVS peripheral base address
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*/
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void SNVS_HP_RTC_Deinit(SNVS_Type *base);
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/*!
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* @brief Fills in the SNVS config struct with the default settings.
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*
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* The default values are as follows.
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* @code
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* config->rtccalenable = false;
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* config->rtccalvalue = 0U;
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* config->PIFreq = 0U;
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* @endcode
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* @param config Pointer to the user's SNVS configuration structure.
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*/
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void SNVS_HP_RTC_GetDefaultConfig(snvs_hp_rtc_config_t *config);
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/*! @}*/
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/*!
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* @name Non secure RTC current Time & Alarm
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* @{
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*/
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/*!
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* @brief Sets the SNVS RTC date and time according to the given time structure.
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*
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* @param base SNVS peripheral base address
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* @param datetime Pointer to the structure where the date and time details are stored.
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*
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* @return kStatus_Success: Success in setting the time and starting the SNVS RTC
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* kStatus_InvalidArgument: Error because the datetime format is incorrect
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*/
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status_t SNVS_HP_RTC_SetDatetime(SNVS_Type *base, const snvs_hp_rtc_datetime_t *datetime);
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/*!
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* @brief Gets the SNVS RTC time and stores it in the given time structure.
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*
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* @param base SNVS peripheral base address
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* @param datetime Pointer to the structure where the date and time details are stored.
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*/
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void SNVS_HP_RTC_GetDatetime(SNVS_Type *base, snvs_hp_rtc_datetime_t *datetime);
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/*!
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* @brief Sets the SNVS RTC alarm time.
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*
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* The function sets the RTC alarm. It also checks whether the specified alarm time
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* is greater than the present time. If not, the function does not set the alarm
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* and returns an error.
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*
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* @param base SNVS peripheral base address
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* @param alarmTime Pointer to the structure where the alarm time is stored.
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*
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* @return kStatus_Success: success in setting the SNVS RTC alarm
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* kStatus_InvalidArgument: Error because the alarm datetime format is incorrect
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* kStatus_Fail: Error because the alarm time has already passed
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*/
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status_t SNVS_HP_RTC_SetAlarm(SNVS_Type *base, const snvs_hp_rtc_datetime_t *alarmTime);
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/*!
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* @brief Returns the SNVS RTC alarm time.
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*
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* @param base SNVS peripheral base address
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* @param datetime Pointer to the structure where the alarm date and time details are stored.
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*/
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void SNVS_HP_RTC_GetAlarm(SNVS_Type *base, snvs_hp_rtc_datetime_t *datetime);
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#if (defined(FSL_FEATURE_SNVS_HAS_SRTC) && (FSL_FEATURE_SNVS_HAS_SRTC > 0))
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/*!
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* @brief The function synchronizes RTC counter value with SRTC.
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*
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* @param base SNVS peripheral base address
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*/
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void SNVS_HP_RTC_TimeSynchronize(SNVS_Type *base);
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#endif /* FSL_FEATURE_SNVS_HAS_SRTC */
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/*! @}*/
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/*!
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* @name Interrupt Interface
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* @{
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*/
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/*!
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* @brief Enables the selected SNVS interrupts.
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*
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* @param base SNVS peripheral base address
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* @param mask The interrupts to enable. This is a logical OR of members of the
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* enumeration :: _snvs_hp_interrupts_t
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*/
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static inline void SNVS_HP_RTC_EnableInterrupts(SNVS_Type *base, uint32_t mask)
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{
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base->HPCR |= mask;
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}
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/*!
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* @brief Disables the selected SNVS interrupts.
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*
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* @param base SNVS peripheral base address
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* @param mask The interrupts to disable. This is a logical OR of members of the
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* enumeration :: _snvs_hp_interrupts_t
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*/
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static inline void SNVS_HP_RTC_DisableInterrupts(SNVS_Type *base, uint32_t mask)
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{
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base->HPCR &= ~mask;
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}
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/*!
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* @brief Gets the enabled SNVS interrupts.
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*
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* @param base SNVS peripheral base address
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*
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* @return The enabled interrupts. This is the logical OR of members of the
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* enumeration :: _snvs_hp_interrupts_t
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*/
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uint32_t SNVS_HP_RTC_GetEnabledInterrupts(SNVS_Type *base);
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/*! @}*/
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/*!
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* @name Status Interface
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* @{
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*/
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/*!
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* @brief Gets the SNVS status flags.
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*
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* @param base SNVS peripheral base address
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*
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* @return The status flags. This is the logical OR of members of the
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* enumeration :: _snvs_hp_status_flags_t
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*/
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uint32_t SNVS_HP_RTC_GetStatusFlags(SNVS_Type *base);
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/*!
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* @brief Clears the SNVS status flags.
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*
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* @param base SNVS peripheral base address
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* @param mask The status flags to clear. This is a logical OR of members of the
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* enumeration :: _snvs_hp_status_flags_t
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*/
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static inline void SNVS_HP_RTC_ClearStatusFlags(SNVS_Type *base, uint32_t mask)
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{
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base->HPSR |= mask;
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}
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/*! @}*/
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/*!
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* @name Timer Start and Stop
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* @{
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*/
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/*!
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* @brief Starts the SNVS RTC time counter.
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*
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* @param base SNVS peripheral base address
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*/
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static inline void SNVS_HP_RTC_StartTimer(SNVS_Type *base)
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{
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base->HPCR |= SNVS_HPCR_RTC_EN_MASK;
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while (0U == (base->HPCR & SNVS_HPCR_RTC_EN_MASK))
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{
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}
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}
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/*!
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* @brief Stops the SNVS RTC time counter.
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*
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* @param base SNVS peripheral base address
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*/
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static inline void SNVS_HP_RTC_StopTimer(SNVS_Type *base)
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{
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base->HPCR &= ~SNVS_HPCR_RTC_EN_MASK;
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while ((base->HPCR & SNVS_HPCR_RTC_EN_MASK) != 0U)
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{
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}
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}
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/*! @}*/
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/*!
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* @brief Enable or disable master key selection.
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*
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* @param base SNVS peripheral base address
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* @param enable Pass true to enable, false to disable.
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*/
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static inline void SNVS_HP_EnableMasterKeySelection(SNVS_Type *base, bool enable)
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{
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if (enable)
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{
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base->HPCOMR |= SNVS_HPCOMR_MKS_EN_MASK;
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}
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else
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{
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base->HPCOMR &= (~SNVS_HPCOMR_MKS_EN_MASK);
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}
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}
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/*!
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* @brief Trigger to program Zeroizable Master Key.
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*
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* @param base SNVS peripheral base address
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*/
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static inline void SNVS_HP_ProgramZeroizableMasterKey(SNVS_Type *base)
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{
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base->HPCOMR |= SNVS_HPCOMR_PROG_ZMK_MASK;
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}
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/*!
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* @brief Trigger SSM State Transition
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*
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* Trigger state transition of the system security monitor (SSM). It results only
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* the following transitions of the SSM:
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* - Check State -> Non-Secure (when Non-Secure Boot and not in Fab Configuration)
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* - Check State --> Trusted (when Secure Boot or in Fab Configuration )
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* - Trusted State --> Secure
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* - Secure State --> Trusted
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* - Soft Fail --> Non-Secure
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*
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* @param base SNVS peripheral base address
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*/
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static inline void SNVS_HP_ChangeSSMState(SNVS_Type *base)
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{
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base->HPCOMR |= SNVS_HPCOMR_SSM_ST_MASK;
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}
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/*!
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* @brief Trigger Software Fatal Security Violation
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*
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* The result SSM state transition is:
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* - Check State -> Soft Fail
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* - Non-Secure State -> Soft Fail
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* - Trusted State -> Soft Fail
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* - Secure State -> Soft Fail
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*
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* @param base SNVS peripheral base address
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*/
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static inline void SNVS_HP_SetSoftwareFatalSecurityViolation(SNVS_Type *base)
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{
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base->HPCOMR |= SNVS_HPCOMR_SW_FSV_MASK;
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}
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/*!
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* @brief Trigger Software Security Violation
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*
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* The result SSM state transition is:
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* - Check -> Non-Secure
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* - Trusted -> Soft Fail
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* - Secure -> Soft Fail
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*
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* @param base SNVS peripheral base address
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*/
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static inline void SNVS_HP_SetSoftwareSecurityViolation(SNVS_Type *base)
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{
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base->HPCOMR |= SNVS_HPCOMR_SW_SV_MASK;
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}
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/*!
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* @brief Get current SSM State
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*
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* @param base SNVS peripheral base address
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* @return Current SSM state
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*/
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static inline snvs_hp_ssm_state_t SNVS_HP_GetSSMState(SNVS_Type *base)
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{
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return (snvs_hp_ssm_state_t)((uint32_t)((base->HPSR & SNVS_HPSR_SSM_STATE_MASK) >> SNVS_HPSR_SSM_STATE_SHIFT));
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}
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/*!
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* @brief Reset the SNVS LP section.
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*
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* Reset the LP section except SRTC and Time alarm.
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*
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* @param base SNVS peripheral base address
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*/
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static inline void SNVS_HP_ResetLP(SNVS_Type *base)
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{
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base->HPCOMR |= SNVS_HPCOMR_LP_SWR_MASK;
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}
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/*!
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* @name High Assurance Counter (HAC)
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* @{
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*/
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/*!
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* @brief Enable or disable the High Assurance Counter (HAC)
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*
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* @param base SNVS peripheral base address
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* @param enable Pass true to enable, false to disable.
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*/
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static inline void SNVS_HP_EnableHighAssuranceCounter(SNVS_Type *base, bool enable)
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{
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if (enable)
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{
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base->HPCOMR |= SNVS_HPCOMR_HAC_EN_MASK;
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}
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else
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{
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base->HPCOMR &= (~SNVS_HPCOMR_HAC_EN_MASK);
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}
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}
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/*!
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* @brief Start or stop the High Assurance Counter (HAC)
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*
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* @param base SNVS peripheral base address
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* @param start Pass true to start, false to stop.
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*/
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static inline void SNVS_HP_StartHighAssuranceCounter(SNVS_Type *base, bool start)
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{
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if (start)
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{
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base->HPCOMR &= (~SNVS_HPCOMR_HAC_STOP_MASK);
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}
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else
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{
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base->HPCOMR |= SNVS_HPCOMR_HAC_STOP_MASK;
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}
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}
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/*!
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* @brief Set the High Assurance Counter (HAC) initialize value.
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*
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* @param base SNVS peripheral base address
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* @param value The initial value to set.
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|
*/
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static inline void SNVS_HP_SetHighAssuranceCounterInitialValue(SNVS_Type *base, uint32_t value)
|
|
{
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|
base->HPHACIVR = value;
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|
}
|
|
|
|
/*!
|
|
* @brief Load the High Assurance Counter (HAC)
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|
*
|
|
* This function loads the HAC initialize value to counter register.
|
|
*
|
|
* @param base SNVS peripheral base address
|
|
*/
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|
static inline void SNVS_HP_LoadHighAssuranceCounter(SNVS_Type *base)
|
|
{
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|
base->HPCOMR |= SNVS_HPCOMR_HAC_LOAD_MASK;
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|
}
|
|
|
|
/*!
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|
* @brief Get the current High Assurance Counter (HAC) value
|
|
*
|
|
* @param base SNVS peripheral base address
|
|
* @return HAC currnet value.
|
|
*/
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|
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_ */
|