| /* |
| * Copyright 2017 NXP |
| * All rights reserved. |
| * |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef _FSL_FLEXRAM_H_ |
| #define _FSL_FLEXRAM_H_ |
| |
| #include "fsl_common.h" |
| |
| /*! |
| * @addtogroup flexram |
| * @{ |
| */ |
| |
| /****************************************************************************** |
| * Definitions. |
| *****************************************************************************/ |
| |
| /*! @name Driver version */ |
| /*@{*/ |
| /*! @brief Driver version 2.0.4. */ |
| #define FSL_FLEXRAM_DRIVER_VERSION (MAKE_VERSION(2U, 0U, 4U)) |
| /*@}*/ |
| |
| /*! @brief flexram write read sel */ |
| enum _flexram_wr_rd_sel |
| { |
| kFLEXRAM_Read = 0U, /*!< read */ |
| kFLEXRAM_Write = 1U, /*!< write */ |
| }; |
| |
| /*! @brief Interrupt status flag mask */ |
| enum _flexram_interrupt_status |
| { |
| kFLEXRAM_OCRAMAccessError = FLEXRAM_INT_STATUS_OCRAM_ERR_STATUS_MASK, /*!< ocram access unallocated address */ |
| kFLEXRAM_DTCMAccessError = FLEXRAM_INT_STATUS_DTCM_ERR_STATUS_MASK, /*!< dtcm access unallocated address */ |
| kFLEXRAM_ITCMAccessError = FLEXRAM_INT_STATUS_ITCM_ERR_STATUS_MASK, /*!< itcm access unallocated address */ |
| |
| kFLEXRAM_InterruptStatusAll = FLEXRAM_INT_STATUS_OCRAM_ERR_STATUS_MASK | FLEXRAM_INT_STATUS_DTCM_ERR_STATUS_MASK | |
| FLEXRAM_INT_STATUS_ITCM_ERR_STATUS_MASK, /*!< all the interrupt status mask */ |
| }; |
| |
| /*! @brief FLEXRAM TCM access mode |
| * Fast access mode expected to be finished in 1-cycle |
| * Wait access mode expected to be finished in 2-cycle |
| * Wait access mode is a feature of the flexram and it should be used when |
| * the cpu clock too fast to finish tcm access in 1-cycle. |
| * Normally, fast mode is the default mode, the efficiency of the tcm access will better. |
| */ |
| typedef enum _flexram_tcm_access_mode |
| { |
| kFLEXRAM_TCMAccessFastMode = 0U, /*!< fast access mode */ |
| kFLEXRAM_TCMAccessWaitMode = 1U, /*!< wait access mode */ |
| } flexram_tcm_access_mode_t; |
| |
| /*! @brief FLEXRAM bank type */ |
| enum _flexram_bank_type |
| { |
| kFLEXRAM_BankNotUsed = 0U, /*!< bank is not used */ |
| kFLEXRAM_BankOCRAM = 1U, /*!< bank is OCRAM */ |
| kFLEXRAM_BankDTCM = 2U, /*!< bank is DTCM */ |
| kFLEXRAM_BankITCM = 3U, /*!< bank is ITCM */ |
| }; |
| |
| /*! @brief FLEXRAM tcm support size */ |
| enum _flexram_tcm_size |
| { |
| kFLEXRAM_TCMSize32KB = 32 * 1024U, /*!< TCM total size 32KB */ |
| kFLEXRAM_TCMSize64KB = 64 * 1024U, /*!< TCM total size 64KB */ |
| kFLEXRAM_TCMSize128KB = 128 * 1024U, /*!< TCM total size 128KB */ |
| kFLEXRAM_TCMSize256KB = 256 * 1024U, /*!< TCM total size 256KB */ |
| kFLEXRAM_TCMSize512KB = 512 * 1024U, /*!< TCM total size 512KB */ |
| }; |
| |
| /*! @brief FLEXRAM bank allocate source */ |
| typedef enum _flexram_bank_allocate_src |
| { |
| kFLEXRAM_BankAllocateThroughHardwareFuse = 0U, /*!< allocate ram through hardware fuse value */ |
| kFLEXRAM_BankAllocateThroughBankCfg = 1U, /*!< allocate ram through FLEXRAM_BANK_CFG */ |
| } flexram_bank_allocate_src_t; |
| |
| /*! @brief FLEXRAM allocate ocram, itcm, dtcm size */ |
| typedef struct _flexram_allocate_ram |
| { |
| const uint8_t ocramBankNum; /*!< ocram banknumber which the SOC support */ |
| const uint8_t dtcmBankNum; /*!< dtcm bank number to allocate, the number should be power of 2 */ |
| const uint8_t itcmBankNum; /*!< itcm bank number to allocate, the number should be power of 2 */ |
| } flexram_allocate_ram_t; |
| |
| /******************************************************************************* |
| * APIs |
| ******************************************************************************/ |
| |
| #if defined(__cplusplus) |
| extern "C" { |
| #endif |
| |
| /*! |
| * @name Initialization and deinitialization |
| * @{ |
| */ |
| |
| /*! |
| * @brief FLEXRAM module initialization function. |
| * |
| * @param base FLEXRAM base address. |
| */ |
| void FLEXRAM_Init(FLEXRAM_Type *base); |
| |
| /*! |
| * @brief Deinitializes the FLEXRAM. |
| * |
| */ |
| void FLEXRAN_Deinit(FLEXRAM_Type *base); |
| |
| /* @} */ |
| |
| /*! |
| * @name Status |
| * @{ |
| */ |
| /*! |
| * @brief FLEXRAM module get interrupt status. |
| * |
| * @param base FLEXRAM base address. |
| */ |
| static inline uint32_t FLEXRAM_GetInterruptStatus(FLEXRAM_Type *base) |
| { |
| return base->INT_STATUS & kFLEXRAM_InterruptStatusAll; |
| } |
| |
| /*! |
| * @brief FLEXRAM module clear interrupt status. |
| * |
| * @param base FLEXRAM base address. |
| * @param status status to clear. |
| */ |
| static inline void FLEXRAM_ClearInterruptStatus(FLEXRAM_Type *base, uint32_t status) |
| { |
| base->INT_STATUS |= status; |
| } |
| |
| /*! |
| * @brief FLEXRAM module enable interrupt status. |
| * |
| * @param base FLEXRAM base address. |
| * @param status status to enable. |
| */ |
| static inline void FLEXRAM_EnableInterruptStatus(FLEXRAM_Type *base, uint32_t status) |
| { |
| base->INT_STAT_EN |= status; |
| } |
| |
| /*! |
| * @brief FLEXRAM module disable interrupt status. |
| * |
| * @param base FLEXRAM base address. |
| * @param status status to disable. |
| */ |
| static inline void FLEXRAM_DisableInterruptStatus(FLEXRAM_Type *base, uint32_t status) |
| { |
| base->INT_STAT_EN &= ~status; |
| } |
| |
| /* @} */ |
| |
| /*! |
| * @name Interrupts |
| * @{ |
| */ |
| |
| /*! |
| * @brief FLEXRAM module enable interrupt. |
| * |
| * @param base FLEXRAM base address. |
| * @param status status interrupt to enable. |
| */ |
| static inline void FLEXRAM_EnableInterruptSignal(FLEXRAM_Type *base, uint32_t status) |
| { |
| base->INT_SIG_EN |= status; |
| } |
| |
| /*! |
| * @brief FLEXRAM module disable interrupt. |
| * |
| * @param base FLEXRAM base address. |
| * @param status status interrupt to disable. |
| */ |
| static inline void FLEXRAM_DisableInterruptSignal(FLEXRAM_Type *base, uint32_t status) |
| { |
| base->INT_SIG_EN &= ~status; |
| } |
| /* @} */ |
| |
| /*! |
| * @name functional |
| * @{ |
| */ |
| |
| /*! |
| * @brief FLEXRAM module set TCM read access mode |
| * |
| * @param base FLEXRAM base address. |
| * @param mode access mode. |
| */ |
| static inline void FLEXRAM_SetTCMReadAccessMode(FLEXRAM_Type *base, flexram_tcm_access_mode_t mode) |
| { |
| base->TCM_CTRL &= ~FLEXRAM_TCM_CTRL_TCM_RWAIT_EN_MASK; |
| base->TCM_CTRL |= mode; |
| } |
| |
| /*! |
| * @brief FLEXRAM module set TCM write access mode |
| * |
| * @param base FLEXRAM base address. |
| * @param mode access mode. |
| */ |
| static inline void FLEXRAM_SetTCMWriteAccessMode(FLEXRAM_Type *base, flexram_tcm_access_mode_t mode) |
| { |
| base->TCM_CTRL &= ~FLEXRAM_TCM_CTRL_TCM_WWAIT_EN_MASK; |
| base->TCM_CTRL |= mode; |
| } |
| |
| /*! |
| * @brief FLEXRAM module force ram clock on |
| * |
| * @param base FLEXRAM base address. |
| * @param enable enable or disable clock force on. |
| */ |
| static inline void FLEXRAM_EnableForceRamClockOn(FLEXRAM_Type *base, bool enable) |
| { |
| if (enable) |
| { |
| base->TCM_CTRL |= FLEXRAM_TCM_CTRL_FORCE_CLK_ON_MASK; |
| } |
| else |
| { |
| base->TCM_CTRL &= ~FLEXRAM_TCM_CTRL_FORCE_CLK_ON_MASK; |
| } |
| } |
| |
| /*! |
| * @brief FLEXRAM allocate on-chip ram for OCRAM,ITCM,DTCM |
| * This function is independent of FLEXRAM_Init, it can be called directly if ram re-allocate |
| * is needed. |
| * @param config allocate configuration. |
| * @retval kStatus_InvalidArgument the argument is invalid |
| * kStatus_Success allocate success |
| */ |
| status_t FLEXRAM_AllocateRam(flexram_allocate_ram_t *config); |
| |
| /*! |
| * @brief FLEXRAM set allocate on-chip ram source |
| * @param src bank config source select value. |
| */ |
| static inline void FLEXRAM_SetAllocateRamSrc(flexram_bank_allocate_src_t src) |
| { |
| IOMUXC_GPR->GPR16 &= ~IOMUXC_GPR_GPR16_FLEXRAM_BANK_CFG_SEL_MASK; |
| IOMUXC_GPR->GPR16 |= IOMUXC_GPR_GPR16_FLEXRAM_BANK_CFG_SEL(src); |
| } |
| |
| /*! |
| * @brief FLEXRAM configure TCM size |
| * This function is used to set the TCM to the target size. If a odd bank number is used, |
| * a new banknumber will be used which is bigger than target value, application can set tcm |
| * size to the biggest bank number always, then boundary access error can be captured by flexram only. |
| * When access to the TCM memory boundary ,hardfault will raised by core. |
| * @param itcmBankNum itcm bank number to allocate |
| * @param dtcmBankNum dtcm bank number to allocate |
| * |
| */ |
| void FLEXRAM_SetTCMSize(uint8_t itcmBankNum, uint8_t dtcmBankNum); |
| |
| #if defined(__cplusplus) |
| } |
| #endif |
| |
| /*! @}*/ |
| |
| #endif |