88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
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/*
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* Copyright 2019-2021 NXP
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* All rights reserved.
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*
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef _FSL_FLEXRAM_ALLOCATE_H_
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#define _FSL_FLEXRAM_ALLOCATE_H_
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#include "fsl_common.h"
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/*!
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* @addtogroup flexram
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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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/*! @brief SOC_FLEXRAM_ALLOCATE driver version 2.0.2. */
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#define FSL_SOC_FLEXRAM_ALLOCATE_DRIVER_VERSION (MAKE_VERSION(2, 0, 2))
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/*@}*/
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/*! @brief FLEXRAM bank type */
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enum
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{
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kFLEXRAM_BankNotUsed = 0U, /*!< bank is not used */
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kFLEXRAM_BankOCRAM = 1U, /*!< bank is OCRAM */
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kFLEXRAM_BankDTCM = 2U, /*!< bank is DTCM */
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kFLEXRAM_BankITCM = 3U, /*!< bank is ITCM */
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};
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/*! @brief FLEXRAM bank allocate source */
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typedef enum _flexram_bank_allocate_src
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{
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kFLEXRAM_BankAllocateThroughHardwareFuse = 0U, /*!< allocate ram through hardware fuse value */
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kFLEXRAM_BankAllocateThroughBankCfg = 1U, /*!< allocate ram through FLEXRAM_BANK_CFG */
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} flexram_bank_allocate_src_t;
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/*! @brief FLEXRAM allocate ocram, itcm, dtcm size */
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typedef struct _flexram_allocate_ram
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{
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const uint8_t ocramBankNum; /*!< ocram banknumber which the SOC support */
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const uint8_t dtcmBankNum; /*!< dtcm bank number to allocate, the number should be power of 2 */
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const uint8_t itcmBankNum; /*!< itcm bank number to allocate, the number should be power of 2 */
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} flexram_allocate_ram_t;
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/*******************************************************************************
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* APIs
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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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* @brief FLEXRAM allocate on-chip ram for OCRAM,ITCM,DTCM
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* This function is independent of FLEXRAM_Init, it can be called directly if ram re-allocate
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* is needed.
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* @param config allocate configuration.
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* @retval kStatus_InvalidArgument the argument is invalid
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* kStatus_Success allocate success
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*/
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status_t FLEXRAM_AllocateRam(flexram_allocate_ram_t *config);
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/*!
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* @brief FLEXRAM set allocate on-chip ram source
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* @param src bank config source select value.
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*/
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static inline void FLEXRAM_SetAllocateRamSrc(flexram_bank_allocate_src_t src)
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{
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IOMUXC_GPR->GPR16 &= ~IOMUXC_GPR_GPR16_FLEXRAM_BANK_CFG_SEL_MASK;
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IOMUXC_GPR->GPR16 |= IOMUXC_GPR_GPR16_FLEXRAM_BANK_CFG_SEL(src);
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}
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#if defined(__cplusplus)
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}
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#endif
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/*! @}*/
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#endif
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