508 lines
18 KiB
C
508 lines
18 KiB
C
/*
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* Copyright 2016-2021 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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#include "fsl_cache.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/* Component ID definition, used by tools. */
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#ifndef FSL_COMPONENT_ID
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#define FSL_COMPONENT_ID "platform.drivers.cache_lmem"
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#endif
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#define L1CACHE_ONEWAYSIZE_BYTE (4096U) /*!< Cache size is 4K-bytes one way. */
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#define L1CACHE_CODEBUSADDR_BOUNDARY (0x1FFFFFFFU) /*!< The processor code bus address boundary. */
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/*******************************************************************************
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* Code
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******************************************************************************/
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#if (FSL_FEATURE_SOC_LMEM_COUNT == 1)
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/*!
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* brief Enables the processor code bus cache.
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*
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*/
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void L1CACHE_EnableCodeCache(void)
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{
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if (0U == (LMEM->PCCCR & LMEM_PCCCR_ENCACHE_MASK))
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{
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/* First, invalidate the entire cache. */
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L1CACHE_InvalidateCodeCache();
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/* Now enable the cache. */
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LMEM->PCCCR |= LMEM_PCCCR_ENCACHE_MASK;
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}
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}
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/*!
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* brief Disables the processor code bus cache.
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*
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*/
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void L1CACHE_DisableCodeCache(void)
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{
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/* First, push any modified contents. */
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L1CACHE_CleanCodeCache();
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/* Now disable the cache. */
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LMEM->PCCCR &= ~LMEM_PCCCR_ENCACHE_MASK;
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}
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/*!
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* brief Invalidates the processor code bus cache.
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*
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*/
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void L1CACHE_InvalidateCodeCache(void)
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{
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/* Enables the processor code bus to invalidate all lines in both ways.
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and Initiate the processor code bus code cache command. */
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LMEM->PCCCR |= LMEM_PCCCR_INVW0_MASK | LMEM_PCCCR_INVW1_MASK | LMEM_PCCCR_GO_MASK;
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/* Wait until the cache command completes. */
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while ((LMEM->PCCCR & LMEM_PCCCR_GO_MASK) != 0U)
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{
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}
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/* As a precaution clear the bits to avoid inadvertently re-running this command. */
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LMEM->PCCCR &= ~(LMEM_PCCCR_INVW0_MASK | LMEM_PCCCR_INVW1_MASK);
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}
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/*!
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* brief Invalidates processor code bus cache by range.
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*
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* param address The physical address of cache.
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* param size_byte size of the memory to be invalidated.
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* note Address and size should be aligned to "L1CODCACHE_LINESIZE_BYTE".
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* The startAddr here will be forced to align to L1CODEBUSCACHE_LINESIZE_BYTE if
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* startAddr is not aligned. For the size_byte, application should make sure the
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* alignment or make sure the right operation order if the size_byte is not aligned.
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*/
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void L1CACHE_InvalidateCodeCacheByRange(uint32_t address, uint32_t size_byte)
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{
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uint32_t endAddr = address + size_byte;
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uint32_t pccReg = 0;
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/* Align address to cache line size. */
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uint32_t startAddr = address & ~((uint32_t)L1CODEBUSCACHE_LINESIZE_BYTE - 1U);
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/* Set the invalidate by line command and use the physical address. */
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pccReg = (LMEM->PCCLCR & ~LMEM_PCCLCR_LCMD_MASK) | LMEM_PCCLCR_LCMD(1) | LMEM_PCCLCR_LADSEL_MASK;
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LMEM->PCCLCR = pccReg;
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while (startAddr < endAddr)
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{
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/* Set the address and initiate the command. */
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LMEM->PCCSAR = (startAddr & LMEM_PCCSAR_PHYADDR_MASK) | LMEM_PCCSAR_LGO_MASK;
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/* Wait until the cache command completes. */
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while ((LMEM->PCCSAR & LMEM_PCCSAR_LGO_MASK) != 0U)
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{
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}
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startAddr += (uint32_t)L1CODEBUSCACHE_LINESIZE_BYTE;
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}
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}
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/*!
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* brief Cleans the processor code bus cache.
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*
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*/
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void L1CACHE_CleanCodeCache(void)
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{
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/* Enable the processor code bus to push all modified lines. */
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LMEM->PCCCR |= LMEM_PCCCR_PUSHW0_MASK | LMEM_PCCCR_PUSHW1_MASK | LMEM_PCCCR_GO_MASK;
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/* Wait until the cache command completes. */
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while ((LMEM->PCCCR & LMEM_PCCCR_GO_MASK) != 0U)
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{
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}
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/* As a precaution clear the bits to avoid inadvertently re-running this command. */
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LMEM->PCCCR &= ~(LMEM_PCCCR_PUSHW0_MASK | LMEM_PCCCR_PUSHW1_MASK);
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}
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/*!
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* brief Cleans processor code bus cache by range.
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*
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* param address The physical address of cache.
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* param size_byte size of the memory to be cleaned.
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* note Address and size should be aligned to "L1CODEBUSCACHE_LINESIZE_BYTE".
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* The startAddr here will be forced to align to L1CODEBUSCACHE_LINESIZE_BYTE if
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* startAddr is not aligned. For the size_byte, application should make sure the
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* alignment or make sure the right operation order if the size_byte is not aligned.
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*/
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void L1CACHE_CleanCodeCacheByRange(uint32_t address, uint32_t size_byte)
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{
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uint32_t endAddr = address + size_byte;
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uint32_t pccReg = 0;
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/* Align address to cache line size. */
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uint32_t startAddr = address & ~((uint32_t)L1CODEBUSCACHE_LINESIZE_BYTE - 1U);
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/* Set the push by line command. */
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pccReg = (LMEM->PCCLCR & ~LMEM_PCCLCR_LCMD_MASK) | LMEM_PCCLCR_LCMD(2) | LMEM_PCCLCR_LADSEL_MASK;
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LMEM->PCCLCR = pccReg;
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while (startAddr < endAddr)
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{
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/* Set the address and initiate the command. */
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LMEM->PCCSAR = (startAddr & LMEM_PCCSAR_PHYADDR_MASK) | LMEM_PCCSAR_LGO_MASK;
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/* Wait until the cache command completes. */
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while ((LMEM->PCCSAR & LMEM_PCCSAR_LGO_MASK) != 0U)
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{
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}
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startAddr += (uint32_t)L1CODEBUSCACHE_LINESIZE_BYTE;
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}
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}
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/*!
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* brief Cleans and invalidates the processor code bus cache.
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*
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*/
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void L1CACHE_CleanInvalidateCodeCache(void)
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{
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/* Push and invalidate all. */
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LMEM->PCCCR |= LMEM_PCCCR_PUSHW0_MASK | LMEM_PCCCR_PUSHW1_MASK | LMEM_PCCCR_INVW0_MASK | LMEM_PCCCR_INVW1_MASK |
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LMEM_PCCCR_GO_MASK;
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/* Wait until the cache command completes. */
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while ((LMEM->PCCCR & LMEM_PCCCR_GO_MASK) != 0U)
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{
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}
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/* As a precaution clear the bits to avoid inadvertently re-running this command. */
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LMEM->PCCCR &= ~(LMEM_PCCCR_PUSHW0_MASK | LMEM_PCCCR_PUSHW1_MASK | LMEM_PCCCR_INVW0_MASK | LMEM_PCCCR_INVW1_MASK);
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}
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/*!
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* brief Cleans and invalidate processor code bus cache by range.
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*
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* param address The physical address of cache.
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* param size_byte size of the memory to be Cleaned and Invalidated.
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* note Address and size should be aligned to "L1CODEBUSCACHE_LINESIZE_BYTE".
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* The startAddr here will be forced to align to L1CODEBUSCACHE_LINESIZE_BYTE if
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* startAddr is not aligned. For the size_byte, application should make sure the
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* alignment or make sure the right operation order if the size_byte is not aligned.
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*/
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void L1CACHE_CleanInvalidateCodeCacheByRange(uint32_t address, uint32_t size_byte)
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{
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uint32_t endAddr = address + size_byte;
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uint32_t pccReg = 0;
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/* Align address to cache line size. */
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uint32_t startAddr = address & ~((uint32_t)L1CODEBUSCACHE_LINESIZE_BYTE - 1U);
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/* Set the push by line command. */
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pccReg = (LMEM->PCCLCR & ~LMEM_PCCLCR_LCMD_MASK) | LMEM_PCCLCR_LCMD(3) | LMEM_PCCLCR_LADSEL_MASK;
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LMEM->PCCLCR = pccReg;
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while (startAddr < endAddr)
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{
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/* Set the address and initiate the command. */
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LMEM->PCCSAR = (startAddr & LMEM_PCCSAR_PHYADDR_MASK) | LMEM_PCCSAR_LGO_MASK;
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/* Wait until the cache command completes. */
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while ((LMEM->PCCSAR & LMEM_PCCSAR_LGO_MASK) != 0U)
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{
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}
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startAddr += (uint32_t)L1CODEBUSCACHE_LINESIZE_BYTE;
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}
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}
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#if defined(FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE) && FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE
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/*!
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* brief Enables the processor system bus cache.
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*
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*/
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void L1CACHE_EnableSystemCache(void)
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{
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/* Only enable when not enabled. */
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if (0U == (LMEM->PSCCR & LMEM_PSCCR_ENCACHE_MASK))
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{
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/* First, invalidate the entire cache. */
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L1CACHE_InvalidateSystemCache();
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/* Now enable the cache. */
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LMEM->PSCCR |= LMEM_PSCCR_ENCACHE_MASK;
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}
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}
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/*!
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* brief Disables the processor system bus cache.
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*
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*/
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void L1CACHE_DisableSystemCache(void)
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{
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/* First, push any modified contents. */
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L1CACHE_CleanSystemCache();
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/* Now disable the cache. */
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LMEM->PSCCR &= ~LMEM_PSCCR_ENCACHE_MASK;
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}
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/*!
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* brief Invalidates the processor system bus cache.
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*
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*/
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void L1CACHE_InvalidateSystemCache(void)
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{
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/* Enables the processor system bus to invalidate all lines in both ways.
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and Initiate the processor system bus cache command. */
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LMEM->PSCCR |= LMEM_PSCCR_INVW0_MASK | LMEM_PSCCR_INVW1_MASK | LMEM_PSCCR_GO_MASK;
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/* Wait until the cache command completes */
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while ((LMEM->PSCCR & LMEM_PSCCR_GO_MASK) != 0U)
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{
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}
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/* As a precaution clear the bits to avoid inadvertently re-running this command. */
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LMEM->PSCCR &= ~(LMEM_PSCCR_INVW0_MASK | LMEM_PSCCR_INVW1_MASK);
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}
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/*!
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* brief Invalidates processor system bus cache by range.
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*
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* param address The physical address of cache.
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* param size_byte size of the memory to be invalidated.
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* note Address and size should be aligned to "L1SYSTEMBUSCACHE_LINESIZE_BYTE".
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* The startAddr here will be forced to align to L1SYSTEMBUSCACHE_LINESIZE_BYTE if
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* startAddr is not aligned. For the size_byte, application should make sure the
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* alignment or make sure the right operation order if the size_byte is not aligned.
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*/
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void L1CACHE_InvalidateSystemCacheByRange(uint32_t address, uint32_t size_byte)
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{
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uint32_t endAddr = address + size_byte;
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uint32_t pscReg = 0;
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uint32_t startAddr =
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address & ~((uint32_t)L1SYSTEMBUSCACHE_LINESIZE_BYTE - 1U); /* Align address to cache line size */
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/* Set the invalidate by line command and use the physical address. */
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pscReg = (LMEM->PSCLCR & ~LMEM_PSCLCR_LCMD_MASK) | LMEM_PSCLCR_LCMD(1) | LMEM_PSCLCR_LADSEL_MASK;
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LMEM->PSCLCR = pscReg;
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while (startAddr < endAddr)
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{
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/* Set the address and initiate the command. */
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LMEM->PSCSAR = (startAddr & LMEM_PSCSAR_PHYADDR_MASK) | LMEM_PSCSAR_LGO_MASK;
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/* Wait until the cache command completes. */
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while ((LMEM->PSCSAR & LMEM_PSCSAR_LGO_MASK) != 0U)
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{
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}
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startAddr += (uint32_t)L1SYSTEMBUSCACHE_LINESIZE_BYTE;
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}
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}
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/*!
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* brief Cleans the processor system bus cache.
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*
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*/
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void L1CACHE_CleanSystemCache(void)
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{
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/* Enable the processor system bus to push all modified lines. */
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LMEM->PSCCR |= LMEM_PSCCR_PUSHW0_MASK | LMEM_PSCCR_PUSHW1_MASK | LMEM_PSCCR_GO_MASK;
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/* Wait until the cache command completes. */
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while ((LMEM->PSCCR & LMEM_PSCCR_GO_MASK) != 0U)
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{
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}
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/* As a precaution clear the bits to avoid inadvertently re-running this command. */
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LMEM->PSCCR &= ~(LMEM_PSCCR_PUSHW0_MASK | LMEM_PSCCR_PUSHW1_MASK);
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}
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/*!
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* brief Cleans processor system bus cache by range.
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*
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* param address The physical address of cache.
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* param size_byte size of the memory to be cleaned.
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* note Address and size should be aligned to "L1SYSTEMBUSCACHE_LINESIZE_BYTE".
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* The startAddr here will be forced to align to L1SYSTEMBUSCACHE_LINESIZE_BYTE if
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* startAddr is not aligned. For the size_byte, application should make sure the
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* alignment or make sure the right operation order if the size_byte is not aligned.
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*/
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void L1CACHE_CleanSystemCacheByRange(uint32_t address, uint32_t size_byte)
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{
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uint32_t endAddr = address + size_byte;
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uint32_t pscReg = 0;
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uint32_t startAddr =
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address & ~((uint32_t)L1SYSTEMBUSCACHE_LINESIZE_BYTE - 1U); /* Align address to cache line size. */
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/* Set the push by line command. */
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pscReg = (LMEM->PSCLCR & ~LMEM_PSCLCR_LCMD_MASK) | LMEM_PSCLCR_LCMD(2) | LMEM_PSCLCR_LADSEL_MASK;
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LMEM->PSCLCR = pscReg;
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while (startAddr < endAddr)
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{
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/* Set the address and initiate the command. */
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LMEM->PSCSAR = (startAddr & LMEM_PSCSAR_PHYADDR_MASK) | LMEM_PSCSAR_LGO_MASK;
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/* Wait until the cache command completes. */
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while ((LMEM->PSCSAR & LMEM_PSCSAR_LGO_MASK) != 0U)
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{
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}
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startAddr += (uint32_t)L1SYSTEMBUSCACHE_LINESIZE_BYTE;
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}
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}
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/*!
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* brief Cleans and invalidates the processor system bus cache.
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*
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*/
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void L1CACHE_CleanInvalidateSystemCache(void)
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{
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/* Push and invalidate all. */
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LMEM->PSCCR |= LMEM_PSCCR_PUSHW0_MASK | LMEM_PSCCR_PUSHW1_MASK | LMEM_PSCCR_INVW0_MASK | LMEM_PSCCR_INVW1_MASK |
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LMEM_PSCCR_GO_MASK;
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/* Wait until the cache command completes. */
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while ((LMEM->PSCCR & LMEM_PSCCR_GO_MASK) != 0U)
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{
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}
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/* As a precaution clear the bits to avoid inadvertently re-running this command. */
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LMEM->PSCCR &= ~(LMEM_PSCCR_PUSHW0_MASK | LMEM_PSCCR_PUSHW1_MASK | LMEM_PSCCR_INVW0_MASK | LMEM_PSCCR_INVW1_MASK);
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}
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/*!
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* brief Cleans and Invalidates processor system bus cache by range.
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*
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* param address The physical address of cache.
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* param size_byte size of the memory to be Clean and Invalidated.
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* note Address and size should be aligned to "L1SYSTEMBUSCACHE_LINESIZE_BYTE".
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* The startAddr here will be forced to align to L1SYSTEMBUSCACHE_LINESIZE_BYTE if
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* startAddr is not aligned. For the size_byte, application should make sure the
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* alignment or make sure the right operation order if the size_byte is not aligned.
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*/
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void L1CACHE_CleanInvalidateSystemCacheByRange(uint32_t address, uint32_t size_byte)
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{
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uint32_t endAddr = address + size_byte;
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uint32_t pscReg = 0;
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uint32_t startAddr =
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address & ~((uint32_t)L1SYSTEMBUSCACHE_LINESIZE_BYTE - 1U); /* Align address to cache line size. */
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/* Set the push by line command. */
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pscReg = (LMEM->PSCLCR & ~LMEM_PSCLCR_LCMD_MASK) | LMEM_PSCLCR_LCMD(3) | LMEM_PSCLCR_LADSEL_MASK;
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LMEM->PSCLCR = pscReg;
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while (startAddr < endAddr)
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{
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/* Set the address and initiate the command. */
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LMEM->PSCSAR = (startAddr & LMEM_PSCSAR_PHYADDR_MASK) | LMEM_PSCSAR_LGO_MASK;
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/* Wait until the cache command completes. */
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while ((LMEM->PSCSAR & LMEM_PSCSAR_LGO_MASK) != 0U)
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{
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}
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startAddr += (uint32_t)L1SYSTEMBUSCACHE_LINESIZE_BYTE;
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}
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}
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#endif /* FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE */
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#endif /* FSL_FEATURE_SOC_LMEM_COUNT == 1 */
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/*!
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* brief Invalidates cortex-m4 L1 instrument cache by range.
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*
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* param address The start address of the memory to be invalidated.
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* param size_byte The memory size.
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* note The start address and size_byte should be 16-Byte(FSL_FEATURE_L1ICACHE_LINESIZE_BYTE) aligned.
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*/
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void L1CACHE_InvalidateICacheByRange(uint32_t address, uint32_t size_byte)
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{
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#if (FSL_FEATURE_SOC_LMEM_COUNT == 1)
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uint32_t endAddr = address + size_byte;
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uint32_t size = size_byte;
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if (endAddr <= L1CACHE_CODEBUSADDR_BOUNDARY)
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{
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L1CACHE_InvalidateCodeCacheByRange(address, size);
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}
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else if (address <= L1CACHE_CODEBUSADDR_BOUNDARY)
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{
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size = L1CACHE_CODEBUSADDR_BOUNDARY - address;
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L1CACHE_InvalidateCodeCacheByRange(address, size);
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#if defined(FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE) && FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE
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size = size_byte - size;
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L1CACHE_InvalidateSystemCacheByRange((L1CACHE_CODEBUSADDR_BOUNDARY + 1U), size);
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#endif /* FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE */
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}
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else
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{
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#if defined(FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE) && FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE
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L1CACHE_InvalidateSystemCacheByRange(address, size);
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#endif /* FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE */
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}
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#endif /* FSL_FEATURE_SOC_LMEM_COUNT == 1 */
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}
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/*!
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* brief Cleans cortex-m4 L1 data cache by range.
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*
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* param address The start address of the memory to be cleaned.
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* param size_byte The memory size.
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* note The start address and size_byte should be 16-Byte(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE) aligned.
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*/
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void L1CACHE_CleanDCacheByRange(uint32_t address, uint32_t size_byte)
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{
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#if (FSL_FEATURE_SOC_LMEM_COUNT == 1)
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|
uint32_t endAddr = address + size_byte;
|
|
uint32_t size = size_byte;
|
|
|
|
if (endAddr <= L1CACHE_CODEBUSADDR_BOUNDARY)
|
|
{
|
|
L1CACHE_CleanCodeCacheByRange(address, size);
|
|
}
|
|
else if (address <= L1CACHE_CODEBUSADDR_BOUNDARY)
|
|
{
|
|
size = L1CACHE_CODEBUSADDR_BOUNDARY - address;
|
|
L1CACHE_CleanCodeCacheByRange(address, size);
|
|
#if defined(FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE) && FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE
|
|
size = size_byte - size;
|
|
L1CACHE_CleanSystemCacheByRange((L1CACHE_CODEBUSADDR_BOUNDARY + 1U), size);
|
|
#endif /* FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE */
|
|
}
|
|
else
|
|
{
|
|
#if defined(FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE) && FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE
|
|
L1CACHE_CleanSystemCacheByRange(address, size);
|
|
#endif /* FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE */
|
|
}
|
|
#endif /* FSL_FEATURE_SOC_LMEM_COUNT == 1 */
|
|
}
|
|
|
|
/*!
|
|
* brief Cleans and Invalidates cortex-m4 L1 data cache by range.
|
|
*
|
|
* param address The start address of the memory to be clean and invalidated.
|
|
* param size_byte The memory size.
|
|
* note The start address and size_byte should be 16-Byte(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE) aligned.
|
|
*/
|
|
void L1CACHE_CleanInvalidateDCacheByRange(uint32_t address, uint32_t size_byte)
|
|
{
|
|
#if (FSL_FEATURE_SOC_LMEM_COUNT == 1)
|
|
uint32_t endAddr = address + size_byte;
|
|
uint32_t size = size_byte;
|
|
|
|
if (endAddr <= L1CACHE_CODEBUSADDR_BOUNDARY)
|
|
{
|
|
L1CACHE_CleanInvalidateCodeCacheByRange(address, size);
|
|
}
|
|
else if (address <= L1CACHE_CODEBUSADDR_BOUNDARY)
|
|
{
|
|
size = L1CACHE_CODEBUSADDR_BOUNDARY - address;
|
|
L1CACHE_CleanInvalidateCodeCacheByRange(address, size);
|
|
#if defined(FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE) && FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE
|
|
size = size_byte - size;
|
|
L1CACHE_CleanInvalidateSystemCacheByRange((L1CACHE_CODEBUSADDR_BOUNDARY + 1U), size);
|
|
#endif /* FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE */
|
|
}
|
|
else
|
|
{
|
|
#if defined(FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE) && FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE
|
|
L1CACHE_CleanInvalidateSystemCacheByRange(address, size);
|
|
#endif /* FSL_FEATURE_LMEM_HAS_SYSTEMBUS_CACHE */
|
|
}
|
|
#endif /* FSL_FEATURE_SOC_LMEM_COUNT == 1 */
|
|
}
|