/* * Copyright (c) 2015, Freescale Semiconductor, Inc. * Copyright 2016-2017 NXP * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * o Redistributions of source code must retain the above copyright notice, this list * of conditions and the following disclaimer. * * o Redistributions in binary form must reproduce the above copyright notice, this * list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * * o Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _FSL_RCM_H_ #define _FSL_RCM_H_ #include "fsl_common.h" /*! @addtogroup rcm */ /*! @{*/ /******************************************************************************* * Definitions ******************************************************************************/ /*! @name Driver version */ /*@{*/ /*! @brief RCM driver version 2.0.1. */ #define FSL_RCM_DRIVER_VERSION (MAKE_VERSION(2, 0, 1)) /*@}*/ /*! * @brief System Reset Source Name definitions */ typedef enum _rcm_reset_source { #if (defined(FSL_FEATURE_RCM_REG_WIDTH) && (FSL_FEATURE_RCM_REG_WIDTH == 32)) /* RCM register bit width is 32. */ #if (defined(FSL_FEATURE_RCM_HAS_WAKEUP) && FSL_FEATURE_RCM_HAS_WAKEUP) kRCM_SourceWakeup = RCM_SRS_WAKEUP_MASK, /*!< Low-leakage wakeup reset */ #endif kRCM_SourceLvd = RCM_SRS_LVD_MASK, /*!< Low-voltage detect reset */ #if (defined(FSL_FEATURE_RCM_HAS_LOC) && FSL_FEATURE_RCM_HAS_LOC) kRCM_SourceLoc = RCM_SRS_LOC_MASK, /*!< Loss of clock reset */ #endif /* FSL_FEATURE_RCM_HAS_LOC */ #if (defined(FSL_FEATURE_RCM_HAS_LOL) && FSL_FEATURE_RCM_HAS_LOL) kRCM_SourceLol = RCM_SRS_LOL_MASK, /*!< Loss of lock reset */ #endif /* FSL_FEATURE_RCM_HAS_LOL */ kRCM_SourceWdog = RCM_SRS_WDOG_MASK, /*!< Watchdog reset */ kRCM_SourcePin = RCM_SRS_PIN_MASK, /*!< External pin reset */ kRCM_SourcePor = RCM_SRS_POR_MASK, /*!< Power on reset */ #if (defined(FSL_FEATURE_RCM_HAS_JTAG) && FSL_FEATURE_RCM_HAS_JTAG) kRCM_SourceJtag = RCM_SRS_JTAG_MASK, /*!< JTAG generated reset */ #endif /* FSL_FEATURE_RCM_HAS_JTAG */ kRCM_SourceLockup = RCM_SRS_LOCKUP_MASK, /*!< Core lock up reset */ kRCM_SourceSw = RCM_SRS_SW_MASK, /*!< Software reset */ #if (defined(FSL_FEATURE_RCM_HAS_MDM_AP) && FSL_FEATURE_RCM_HAS_MDM_AP) kRCM_SourceMdmap = RCM_SRS_MDM_AP_MASK, /*!< MDM-AP system reset */ #endif /* FSL_FEATURE_RCM_HAS_MDM_AP */ #if (defined(FSL_FEATURE_RCM_HAS_EZPORT) && FSL_FEATURE_RCM_HAS_EZPORT) kRCM_SourceEzpt = RCM_SRS_EZPT_MASK, /*!< EzPort reset */ #endif /* FSL_FEATURE_RCM_HAS_EZPORT */ kRCM_SourceSackerr = RCM_SRS_SACKERR_MASK, /*!< Parameter could get all reset flags */ #else /* (FSL_FEATURE_RCM_REG_WIDTH == 32) */ /* RCM register bit width is 8. */ #if (defined(FSL_FEATURE_RCM_HAS_WAKEUP) && FSL_FEATURE_RCM_HAS_WAKEUP) kRCM_SourceWakeup = RCM_SRS0_WAKEUP_MASK, /*!< Low-leakage wakeup reset */ #endif kRCM_SourceLvd = RCM_SRS0_LVD_MASK, /*!< Low-voltage detect reset */ #if (defined(FSL_FEATURE_RCM_HAS_LOC) && FSL_FEATURE_RCM_HAS_LOC) kRCM_SourceLoc = RCM_SRS0_LOC_MASK, /*!< Loss of clock reset */ #endif /* FSL_FEATURE_RCM_HAS_LOC */ #if (defined(FSL_FEATURE_RCM_HAS_LOL) && FSL_FEATURE_RCM_HAS_LOL) kRCM_SourceLol = RCM_SRS0_LOL_MASK, /*!< Loss of lock reset */ #endif /* FSL_FEATURE_RCM_HAS_LOL */ kRCM_SourceWdog = RCM_SRS0_WDOG_MASK, /*!< Watchdog reset */ kRCM_SourcePin = RCM_SRS0_PIN_MASK, /*!< External pin reset */ kRCM_SourcePor = RCM_SRS0_POR_MASK, /*!< Power on reset */ #if (defined(FSL_FEATURE_RCM_HAS_JTAG) && FSL_FEATURE_RCM_HAS_JTAG) kRCM_SourceJtag = RCM_SRS1_JTAG_MASK << 8U, /*!< JTAG generated reset */ #endif /* FSL_FEATURE_RCM_HAS_JTAG */ kRCM_SourceLockup = RCM_SRS1_LOCKUP_MASK << 8U, /*!< Core lock up reset */ kRCM_SourceSw = RCM_SRS1_SW_MASK << 8U, /*!< Software reset */ #if (defined(FSL_FEATURE_RCM_HAS_MDM_AP) && FSL_FEATURE_RCM_HAS_MDM_AP) kRCM_SourceMdmap = RCM_SRS1_MDM_AP_MASK << 8U, /*!< MDM-AP system reset */ #endif /* FSL_FEATURE_RCM_HAS_MDM_AP */ #if (defined(FSL_FEATURE_RCM_HAS_EZPORT) && FSL_FEATURE_RCM_HAS_EZPORT) kRCM_SourceEzpt = RCM_SRS1_EZPT_MASK << 8U, /*!< EzPort reset */ #endif /* FSL_FEATURE_RCM_HAS_EZPORT */ kRCM_SourceSackerr = RCM_SRS1_SACKERR_MASK << 8U, /*!< Parameter could get all reset flags */ #endif /* (FSL_FEATURE_RCM_REG_WIDTH == 32) */ kRCM_SourceAll = 0xffffffffU, } rcm_reset_source_t; /*! * @brief Reset pin filter select in Run and Wait modes. */ typedef enum _rcm_run_wait_filter_mode { kRCM_FilterDisable = 0U, /*!< All filtering disabled */ kRCM_FilterBusClock = 1U, /*!< Bus clock filter enabled */ kRCM_FilterLpoClock = 2U /*!< LPO clock filter enabled */ } rcm_run_wait_filter_mode_t; #if (defined(FSL_FEATURE_RCM_HAS_BOOTROM) && FSL_FEATURE_RCM_HAS_BOOTROM) /*! * @brief Boot from ROM configuration. */ typedef enum _rcm_boot_rom_config { kRCM_BootFlash = 0U, /*!< Boot from flash */ kRCM_BootRomCfg0 = 1U, /*!< Boot from boot ROM due to BOOTCFG0 */ kRCM_BootRomFopt = 2U, /*!< Boot from boot ROM due to FOPT[7] */ kRCM_BootRomBoth = 3U /*!< Boot from boot ROM due to both BOOTCFG0 and FOPT[7] */ } rcm_boot_rom_config_t; #endif /* FSL_FEATURE_RCM_HAS_BOOTROM */ #if (defined(FSL_FEATURE_RCM_HAS_SRIE) && FSL_FEATURE_RCM_HAS_SRIE) /*! * @brief Maximum delay time from interrupt asserts to system reset. */ typedef enum _rcm_reset_delay { kRCM_ResetDelay8Lpo = 0U, /*!< Delay 8 LPO cycles. */ kRCM_ResetDelay32Lpo = 1U, /*!< Delay 32 LPO cycles. */ kRCM_ResetDelay128Lpo = 2U, /*!< Delay 128 LPO cycles. */ kRCM_ResetDelay512Lpo = 3U /*!< Delay 512 LPO cycles. */ } rcm_reset_delay_t; /*! * @brief System reset interrupt enable bit definitions. */ typedef enum _rcm_interrupt_enable { kRCM_IntNone = 0U, /*!< No interrupt enabled. */ kRCM_IntLossOfClk = RCM_SRIE_LOC_MASK, /*!< Loss of clock interrupt. */ kRCM_IntLossOfLock = RCM_SRIE_LOL_MASK, /*!< Loss of lock interrupt. */ kRCM_IntWatchDog = RCM_SRIE_WDOG_MASK, /*!< Watch dog interrupt. */ kRCM_IntExternalPin = RCM_SRIE_PIN_MASK, /*!< External pin interrupt. */ kRCM_IntGlobal = RCM_SRIE_GIE_MASK, /*!< Global interrupts. */ kRCM_IntCoreLockup = RCM_SRIE_LOCKUP_MASK, /*!< Core lock up interrupt */ kRCM_IntSoftware = RCM_SRIE_SW_MASK, /*!< software interrupt */ kRCM_IntStopModeAckErr = RCM_SRIE_SACKERR_MASK, /*!< Stop mode ACK error interrupt. */ #if (defined(FSL_FEATURE_RCM_HAS_CORE1) && FSL_FEATURE_RCM_HAS_CORE1) kRCM_IntCore1 = RCM_SRIE_CORE1_MASK, /*!< Core 1 interrupt. */ #endif kRCM_IntAll = RCM_SRIE_LOC_MASK /*!< Enable all interrupts. */ | RCM_SRIE_LOL_MASK | RCM_SRIE_WDOG_MASK | RCM_SRIE_PIN_MASK | RCM_SRIE_GIE_MASK | RCM_SRIE_LOCKUP_MASK | RCM_SRIE_SW_MASK | RCM_SRIE_SACKERR_MASK #if (defined(FSL_FEATURE_RCM_HAS_CORE1) && FSL_FEATURE_RCM_HAS_CORE1) | RCM_SRIE_CORE1_MASK #endif } rcm_interrupt_enable_t; #endif /* FSL_FEATURE_RCM_HAS_SRIE */ #if (defined(FSL_FEATURE_RCM_HAS_VERID) && FSL_FEATURE_RCM_HAS_VERID) /*! * @brief IP version ID definition. */ typedef struct _rcm_version_id { uint16_t feature; /*!< Feature Specification Number. */ uint8_t minor; /*!< Minor version number. */ uint8_t major; /*!< Major version number. */ } rcm_version_id_t; #endif /*! * @brief Reset pin filter configuration. */ typedef struct _rcm_reset_pin_filter_config { bool enableFilterInStop; /*!< Reset pin filter select in stop mode. */ rcm_run_wait_filter_mode_t filterInRunWait; /*!< Reset pin filter in run/wait mode. */ uint8_t busClockFilterCount; /*!< Reset pin bus clock filter width. */ } rcm_reset_pin_filter_config_t; /******************************************************************************* * API ******************************************************************************/ #if defined(__cplusplus) extern "C" { #endif /* __cplusplus*/ /*! @name Reset Control Module APIs*/ /*@{*/ #if (defined(FSL_FEATURE_RCM_HAS_VERID) && FSL_FEATURE_RCM_HAS_VERID) /*! * @brief Gets the RCM version ID. * * This function gets the RCM version ID including the major version number, * the minor version number, and the feature specification number. * * @param base RCM peripheral base address. * @param versionId Pointer to the version ID structure. */ static inline void RCM_GetVersionId(RCM_Type *base, rcm_version_id_t *versionId) { *((uint32_t *)versionId) = base->VERID; } #endif #if (defined(FSL_FEATURE_RCM_HAS_PARAM) && FSL_FEATURE_RCM_HAS_PARAM) /*! * @brief Gets the reset source implemented status. * * This function gets the RCM parameter that indicates whether the corresponding reset source is implemented. * Use source masks defined in the rcm_reset_source_t to get the desired source status. * * This is an example. @code uint32_t status; // To test whether the MCU is reset using Watchdog. status = RCM_GetResetSourceImplementedStatus(RCM) & (kRCM_SourceWdog | kRCM_SourcePin); @endcode * * @param base RCM peripheral base address. * @return All reset source implemented status bit map. */ static inline uint32_t RCM_GetResetSourceImplementedStatus(RCM_Type *base) { return base->PARAM; } #endif /* FSL_FEATURE_RCM_HAS_PARAM */ /*! * @brief Gets the reset source status which caused a previous reset. * * This function gets the current reset source status. Use source masks * defined in the rcm_reset_source_t to get the desired source status. * * This is an example. @code uint32_t resetStatus; // To get all reset source statuses. resetStatus = RCM_GetPreviousResetSources(RCM) & kRCM_SourceAll; // To test whether the MCU is reset using Watchdog. resetStatus = RCM_GetPreviousResetSources(RCM) & kRCM_SourceWdog; // To test multiple reset sources. resetStatus = RCM_GetPreviousResetSources(RCM) & (kRCM_SourceWdog | kRCM_SourcePin); @endcode * * @param base RCM peripheral base address. * @return All reset source status bit map. */ static inline uint32_t RCM_GetPreviousResetSources(RCM_Type *base) { #if (defined(FSL_FEATURE_RCM_REG_WIDTH) && (FSL_FEATURE_RCM_REG_WIDTH == 32)) return base->SRS; #else return (uint32_t)((uint32_t)base->SRS0 | ((uint32_t)base->SRS1 << 8U)); #endif /* (FSL_FEATURE_RCM_REG_WIDTH == 32) */ } #if (defined(FSL_FEATURE_RCM_HAS_SSRS) && FSL_FEATURE_RCM_HAS_SSRS) /*! * @brief Gets the sticky reset source status. * * This function gets the current reset source status that has not been cleared * by software for a specific source. * * This is an example. @code uint32_t resetStatus; // To get all reset source statuses. resetStatus = RCM_GetStickyResetSources(RCM) & kRCM_SourceAll; // To test whether the MCU is reset using Watchdog. resetStatus = RCM_GetStickyResetSources(RCM) & kRCM_SourceWdog; // To test multiple reset sources. resetStatus = RCM_GetStickyResetSources(RCM) & (kRCM_SourceWdog | kRCM_SourcePin); @endcode * * @param base RCM peripheral base address. * @return All reset source status bit map. */ static inline uint32_t RCM_GetStickyResetSources(RCM_Type *base) { #if (defined(FSL_FEATURE_RCM_REG_WIDTH) && (FSL_FEATURE_RCM_REG_WIDTH == 32)) return base->SSRS; #else return (base->SSRS0 | ((uint32_t)base->SSRS1 << 8U)); #endif /* (FSL_FEATURE_RCM_REG_WIDTH == 32) */ } /*! * @brief Clears the sticky reset source status. * * This function clears the sticky system reset flags indicated by source masks. * * This is an example. @code // Clears multiple reset sources. RCM_ClearStickyResetSources(kRCM_SourceWdog | kRCM_SourcePin); @endcode * * @param base RCM peripheral base address. * @param sourceMasks reset source status bit map */ static inline void RCM_ClearStickyResetSources(RCM_Type *base, uint32_t sourceMasks) { #if (defined(FSL_FEATURE_RCM_REG_WIDTH) && (FSL_FEATURE_RCM_REG_WIDTH == 32)) base->SSRS = sourceMasks; #else base->SSRS0 = (sourceMasks & 0xffU); base->SSRS1 = ((sourceMasks >> 8U) & 0xffU); #endif /* (FSL_FEATURE_RCM_REG_WIDTH == 32) */ } #endif /* FSL_FEATURE_RCM_HAS_SSRS */ /*! * @brief Configures the reset pin filter. * * This function sets the reset pin filter including the filter source, filter * width, and so on. * * @param base RCM peripheral base address. * @param config Pointer to the configuration structure. */ void RCM_ConfigureResetPinFilter(RCM_Type *base, const rcm_reset_pin_filter_config_t *config); #if (defined(FSL_FEATURE_RCM_HAS_EZPMS) && FSL_FEATURE_RCM_HAS_EZPMS) /*! * @brief Gets the EZP_MS_B pin assert status. * * This function gets the easy port mode status (EZP_MS_B) pin assert status. * * @param base RCM peripheral base address. * @return status true - asserted, false - reasserted */ static inline bool RCM_GetEasyPortModePinStatus(RCM_Type *base) { return (bool)(base->MR & RCM_MR_EZP_MS_MASK); } #endif /* FSL_FEATURE_RCM_HAS_EZPMS */ #if (defined(FSL_FEATURE_RCM_HAS_BOOTROM) && FSL_FEATURE_RCM_HAS_BOOTROM) /*! * @brief Gets the ROM boot source. * * This function gets the ROM boot source during the last chip reset. * * @param base RCM peripheral base address. * @return The ROM boot source. */ static inline rcm_boot_rom_config_t RCM_GetBootRomSource(RCM_Type *base) { return (rcm_boot_rom_config_t)((base->MR & RCM_MR_BOOTROM_MASK) >> RCM_MR_BOOTROM_SHIFT); } /*! * @brief Clears the ROM boot source flag. * * This function clears the ROM boot source flag. * * @param base Register base address of RCM */ static inline void RCM_ClearBootRomSource(RCM_Type *base) { base->MR |= RCM_MR_BOOTROM_MASK; } /*! * @brief Forces the boot from ROM. * * This function forces booting from ROM during all subsequent system resets. * * @param base RCM peripheral base address. * @param config Boot configuration. */ void RCM_SetForceBootRomSource(RCM_Type *base, rcm_boot_rom_config_t config); #endif /* FSL_FEATURE_RCM_HAS_BOOTROM */ #if (defined(FSL_FEATURE_RCM_HAS_SRIE) && FSL_FEATURE_RCM_HAS_SRIE) /*! * @brief Sets the system reset interrupt configuration. * * For a graceful shut down, the RCM supports delaying the assertion of the system * reset for a period of time when the reset interrupt is generated. This function * can be used to enable the interrupt and the delay period. The interrupts * are passed in as bit mask. See rcm_int_t for details. For example, to * delay a reset for 512 LPO cycles after the WDOG timeout or loss-of-clock occurs, * configure as follows: * RCM_SetSystemResetInterruptConfig(kRCM_IntWatchDog | kRCM_IntLossOfClk, kRCM_ResetDelay512Lpo); * * @param base RCM peripheral base address. * @param intMask Bit mask of the system reset interrupts to enable. See * rcm_interrupt_enable_t for details. * @param Delay Bit mask of the system reset interrupts to enable. */ static inline void RCM_SetSystemResetInterruptConfig(RCM_Type *base, uint32_t intMask, rcm_reset_delay_t delay) { base->SRIE = (intMask | delay); } #endif /* FSL_FEATURE_RCM_HAS_SRIE */ /*@}*/ #if defined(__cplusplus) } #endif /* __cplusplus*/ /*! @}*/ #endif /* _FSL_RCM_H_ */