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rt-thread-official/bsp/imxrt/Libraries/imxrt1021/devices/MIMXRT1021/drivers/fsl_cache.h

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/*
* The Clear BSD License
* Copyright (c) 2016, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted (subject to the limitations in the disclaimer below) 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.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
* 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_CACHE_H_
#define _FSL_CACHE_H_
#include "fsl_common.h"
/*!
* @addtogroup cache
* @{
*/
/*******************************************************************************
* Definitions
******************************************************************************/
/*! @name Driver version */
/*@{*/
/*! @brief cache driver version 2.0.1. */
#define FSL_CACHE_DRIVER_VERSION (MAKE_VERSION(2, 0, 1))
/*@}*/
#if defined(FSL_FEATURE_SOC_L2CACHEC_COUNT) && FSL_FEATURE_SOC_L2CACHEC_COUNT
#ifndef FSL_SDK_DISBLE_L2CACHE_PRESENT
#define FSL_SDK_DISBLE_L2CACHE_PRESENT 0
#endif
#endif /* FSL_FEATURE_SOC_L2CACHEC_COUNT */
/*******************************************************************************
* Definitions
******************************************************************************/
#if defined(FSL_FEATURE_SOC_L2CACHEC_COUNT) && FSL_FEATURE_SOC_L2CACHEC_COUNT
/*! @brief Number of level 2 cache controller ways. */
typedef enum _l2cache_way_num
{
kL2CACHE_8ways = 0, /*!< 8 ways. */
#if defined(FSL_FEATURE_L2CACHE_SUPPORT_16_WAY_ASSOCIATIVITY) && FSL_FEATURE_L2CACHE_SUPPORT_16_WAY_ASSOCIATIVITY
kL2CACHE_16ways /*!< 16 ways. */
#endif /* FSL_FEATURE_L2CACHE_SUPPORT_16_WAY_ASSOCIATIVITY */
} l2cache_way_num_t;
/*! @brief Level 2 cache controller way size. */
typedef enum _l2cache_way_size
{
kL2CACHE_16KBSize = 1, /*!< 16 KB way size. */
kL2CACHE_32KBSize = 2, /*!< 32 KB way size. */
kL2CACHE_64KBSize = 3, /*!< 64 KB way size. */
kL2CACHE_128KBSize = 4, /*!< 128 KB way size. */
kL2CACHE_256KBSize = 5, /*!< 256 KB way size. */
kL2CACHE_512KBSize = 6 /*!< 512 KB way size. */
} l2cache_way_size;
/*! @brief Level 2 cache controller replacement policy. */
typedef enum _l2cache_replacement
{
kL2CACHE_Pseudorandom = 0U, /*!< Peseudo-random replacement policy using an lfsr. */
kL2CACHE_Roundrobin /*!< Round-robin replacemnt policy. */
} l2cache_replacement_t;
/*! @brief Level 2 cache controller force write allocate options. */
typedef enum _l2cache_writealloc
{
kL2CACHE_UseAwcache = 0, /*!< Use AWCAHE attribute for the write allocate. */
kL2CACHE_NoWriteallocate, /*!< Force no write allocate. */
kL2CACHE_forceWriteallocate /*!< Force write allocate when write misses. */
} l2cache_writealloc_t;
/*! @brief Level 2 cache controller tag/data ram latency. */
typedef enum _l2cache_latency
{
kL2CACHE_1CycleLate = 0, /*!< 1 cycle of latency. */
kL2CACHE_2CycleLate, /*!< 2 cycle of latency. */
kL2CACHE_3CycleLate, /*!< 3 cycle of latency. */
kL2CACHE_4CycleLate, /*!< 4 cycle of latency. */
kL2CACHE_5CycleLate, /*!< 5 cycle of latency. */
kL2CACHE_6CycleLate, /*!< 6 cycle of latency. */
kL2CACHE_7CycleLate, /*!< 7 cycle of latency. */
kL2CACHE_8CycleLate /*!< 8 cycle of latency. */
} l2cache_latency_t;
/*! @brief Level 2 cache controller tag/data ram latency configure structure. */
typedef struct _l2cache_latency_config
{
l2cache_latency_t tagWriteLate; /*!< Tag write latency. */
l2cache_latency_t tagReadLate; /*!< Tag Read latency. */
l2cache_latency_t tagSetupLate; /*!< Tag setup latency. */
l2cache_latency_t dataWriteLate; /*!< Data write latency. */
l2cache_latency_t dataReadLate; /*!< Data Read latency. */
l2cache_latency_t dataSetupLate; /*!< Data setup latency. */
} L2cache_latency_config_t;
/*! @brief Level 2 cache controller configure structure. */
typedef struct _l2cache_config
{
/* ------------------------ l2 cachec basic settings ---------------------------- */
l2cache_way_num_t wayNum; /*!< The number of ways. */
l2cache_way_size waySize; /*!< The way size = Cache Ram size / wayNum. */
l2cache_replacement_t repacePolicy;/*!< Replacemnet policy. */
/* ------------------------ tag/data ram latency settings ----------------------- */
L2cache_latency_config_t *lateConfig; /*!< Tag/data latency configure. Set NUll if not required. */
/* ------------------------ Prefetch enable settings ---------------------------- */
bool istrPrefetchEnable; /*!< Instruction prefetch enable. */
bool dataPrefetchEnable; /*!< Data prefetch enable. */
/* ------------------------ Non-secure access settings -------------------------- */
bool nsLockdownEnable; /*!< None-secure lockdown enable. */
/* ------------------------ other settings -------------------------------------- */
l2cache_writealloc_t writeAlloc;/*!< Write allcoate force option. */
} l2cache_config_t;
#endif /* FSL_FEATURE_SOC_L2CACHEC_COUNT */
/*******************************************************************************
* API
******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif
/*!
* @name Control for cortex-m7 L1 cache
*@{
*/
/*!
* @brief Enables cortex-m7 L1 instruction cache.
*
*/
static inline void L1CACHE_EnableICache(void)
{
SCB_EnableICache();
}
/*!
* @brief Disables cortex-m7 L1 instruction cache.
*
*/
static inline void L1CACHE_DisableICache(void)
{
SCB_DisableICache();
}
/*!
* @brief Invalidate cortex-m7 L1 instruction cache.
*
*/
static inline void L1CACHE_InvalidateICache(void)
{
SCB_InvalidateICache();
}
/*!
* @brief Invalidate cortex-m7 L1 instruction cache by range.
*
* @param address The start address of the memory to be invalidated.
* @param size_byte The memory size.
* @note The start address and size_byte should be 32-byte(FSL_FEATURE_L1ICACHE_LINESIZE_BYTE) aligned.
* The startAddr here will be forced to align to L1 I-cache line size if
* startAddr is not aligned. For the size_byte, application should make sure the
* alignment or make sure the right operation order if the size_byte is not aligned.
*/
void L1CACHE_InvalidateICacheByRange(uint32_t address, uint32_t size_byte);
/*!
* @brief Enables cortex-m7 L1 data cache.
*
*/
static inline void L1CACHE_EnableDCache(void)
{
SCB_EnableDCache();
}
/*!
* @brief Disables cortex-m7 L1 data cache.
*
*/
static inline void L1CACHE_DisableDCache(void)
{
SCB_DisableDCache();
}
/*!
* @brief Invalidates cortex-m7 L1 data cache.
*
*/
static inline void L1CACHE_InvalidateDCache(void)
{
SCB_InvalidateDCache();
}
/*!
* @brief Cleans cortex-m7 L1 data cache.
*
*/
static inline void L1CACHE_CleanDCache(void)
{
SCB_CleanDCache();
}
/*!
* @brief Cleans and Invalidates cortex-m7 L1 data cache.
*
*/
static inline void L1CACHE_CleanInvalidateDCache(void)
{
SCB_CleanInvalidateDCache();
}
/*!
* @brief Invalidates cortex-m7 L1 data cache by range.
*
* @param address The start address of the memory to be invalidated.
* @param size_byte The memory size.
* @note The start address and size_byte should be 32-byte(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE) aligned.
* The startAddr here will be forced to align to L1 D-cache line size if
* startAddr is not aligned. For the size_byte, application should make sure the
* alignment or make sure the right operation order if the size_byte is not aligned.
*/
static inline void L1CACHE_InvalidateDCacheByRange(uint32_t address, uint32_t size_byte)
{
uint32_t startAddr = address & (uint32_t)~(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE - 1);
uint32_t size = size_byte + address - startAddr;
SCB_InvalidateDCache_by_Addr((uint32_t *)startAddr, size);
}
/*!
* @brief Cleans cortex-m7 L1 data cache by range.
*
* @param address The start address of the memory to be cleaned.
* @param size_byte The memory size.
* @note The start address and size_byte should be 32-byte(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE) aligned.
* The startAddr here will be forced to align to L1 D-cache line size if
* startAddr is not aligned. For the size_byte, application should make sure the
* alignment or make sure the right operation order if the size_byte is not aligned.
*/
static inline void L1CACHE_CleanDCacheByRange(uint32_t address, uint32_t size_byte)
{
uint32_t startAddr = address & (uint32_t)~(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE - 1);
uint32_t size = size_byte + address - startAddr;
SCB_CleanDCache_by_Addr((uint32_t *)startAddr, size);
}
/*!
* @brief Cleans and Invalidates cortex-m7 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 32-byte(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE) aligned.
* The startAddr here will be forced to align to L1 D-cache line size if
* startAddr is not aligned. For the size_byte, application should make sure the
* alignment or make sure the right operation order if the size_byte is not aligned.
*/
static inline void L1CACHE_CleanInvalidateDCacheByRange(uint32_t address, uint32_t size_byte)
{
uint32_t startAddr = address & (uint32_t)~(FSL_FEATURE_L1DCACHE_LINESIZE_BYTE - 1);
uint32_t size = size_byte + address - startAddr;
SCB_CleanInvalidateDCache_by_Addr((uint32_t *)startAddr, size);
}
/*@}*/
#if defined(FSL_FEATURE_SOC_L2CACHEC_COUNT) && FSL_FEATURE_SOC_L2CACHEC_COUNT
/*!
* @name Control for L2 pl310 cache
*@{
*/
/*!
* @brief Initializes the level 2 cache controller module.
*
* @param config Pointer to configuration structure. See "l2cache_config_t".
*/
void L2CACHE_Init(l2cache_config_t *config);
/*!
* @brief Gets an available default settings for the cache controller.
*
* This function initializes the cache controller configuration structure with default settings.
* The default values are:
* @code
* config->waysNum = kL2CACHE_8ways;
* config->waySize = kL2CACHE_32KbSize;
* config->repacePolicy = kL2CACHE_Roundrobin;
* config->lateConfig = NULL;
* config->istrPrefetchEnable = false;
* config->dataPrefetchEnable = false;
* config->nsLockdownEnable = false;
* config->writeAlloc = kL2CACHE_UseAwcache;
* @endcode
* @param config Pointer to the configuration structure.
*/
void L2CACHE_GetDefaultConfig(l2cache_config_t *config);
/*!
* @brief Enables the level 2 cache controller.
* This function enables the cache controller. Must be written using a secure access.
* If write with a Non-secure access will cause a DECERR response.
*
*/
void L2CACHE_Enable(void);
/*!
* @brief Disables the level 2 cache controller.
* This function disables the cache controller. Must be written using a secure access.
* If write with a Non-secure access will cause a DECERR response.
*
*/
void L2CACHE_Disable(void);
/*!
* @brief Invalidates the Level 2 cache.
* This function invalidates all entries in cache.
*
*/
void L2CACHE_Invalidate(void);
/*!
* @brief Invalidates the Level 2 cache lines in the range of two physical addresses.
* This function invalidates all cache lines between two physical addresses.
*
* @param address The start address of the memory to be invalidated.
* @param size_byte The memory size.
* @note The start address and size_byte should be 32-byte(FSL_FEATURE_L2CACHE_LINESIZE_BYTE) aligned.
* The startAddr here will be forced to align to L2 line size if startAddr
* is not aligned. For the size_byte, application should make sure the
* alignment or make sure the right operation order if the size_byte is not aligned.
*/
void L2CACHE_InvalidateByRange(uint32_t address, uint32_t size_byte);
/*!
* @brief Cleans the level 2 cache controller.
* This function cleans all entries in the level 2 cache controller.
*
*/
void L2CACHE_Clean(void);
/*!
* @brief Cleans the Level 2 cache lines in the range of two physical addresses.
* This function cleans all cache lines between two physical addresses.
*
* @param address The start address of the memory to be cleaned.
* @param size_byte The memory size.
* @note The start address and size_byte should be 32-byte(FSL_FEATURE_L2CACHE_LINESIZE_BYTE) aligned.
* The startAddr here will be forced to align to L2 line size if startAddr
* is not aligned. For the size_byte, application should make sure the
* alignment or make sure the right operation order if the size_byte is not aligned.
*/
void L2CACHE_CleanByRange(uint32_t address, uint32_t size_byte);
/*!
* @brief Cleans and invalidates the level 2 cache controller.
* This function cleans and invalidates all entries in the level 2 cache controller.
*
*/
void L2CACHE_CleanInvalidate(void);
/*!
* @brief Cleans and invalidates the Level 2 cache lines in the range of two physical addresses.
* This function cleans and invalidates all cache lines between two physical addresses.
*
* @param address The start address of the memory to be cleaned and invalidated.
* @param size_byte The memory size.
* @note The start address and size_byte should be 32-byte(FSL_FEATURE_L2CACHE_LINESIZE_BYTE) aligned.
* The startAddr here will be forced to align to L2 line size if startAddr
* is not aligned. For the size_byte, application should make sure the
* alignment or make sure the right operation order if the size_byte is not aligned.
*/
void L2CACHE_CleanInvalidateByRange(uint32_t address, uint32_t size_byte);
/*!
* @brief Enables or disables to lock down the data and instruction by way.
* This function locks down the cached instruction/data by way and prevent the adresses from
* being allocated and prevent dara from being evicted out of the level 2 cache.
* But the normal cache maintenance operations that invalidate, clean or clean
* and validate cache contents affect the locked-down cache lines as normal.
*
* @param masterId The master id, range from 0 ~ 7.
* @param mask The ways to be enabled or disabled to lockdown.
* each bit in value is related to each way of the cache. for example:
* value: bit 0 ------ way 0.
* value: bit 1 ------ way 1.
* --------------------------
* value: bit 15 ------ way 15.
* Note: please make sure the value setting is align with your supported ways.
* @param enable True enable the lockdown, false to disable the lockdown.
*/
void L2CACHE_LockdownByWayEnable(uint32_t masterId, uint32_t mask, bool enable);
/*@}*/
#endif /* FSL_FEATURE_SOC_L2CACHEC_COUNT */
/*!
* @name Unified Cache Control for all caches (cortex-m7 L1 cache + l2 pl310)
* Mainly used for many drivers for easy cache operation.
*@{
*/
/*!
* @brief Invalidates all instruction caches by range.
*
* Both cortex-m7 L1 cache line and L2 PL310 cache line length is 32-byte.
*
* @param address The physical address.
* @param size_byte size of the memory to be invalidated.
* @note address and size should be aligned to cache line size
* 32-Byte due to the cache operation unit is one cache line. The startAddr here will be forced
* to align to the cache line size if startAddr is not aligned. For the size_byte, application should
* make sure the alignment or make sure the right operation order if the size_byte is not aligned.
*/
void ICACHE_InvalidateByRange(uint32_t address, uint32_t size_byte);
/*!
* @brief Invalidates all data caches by range.
*
* Both cortex-m7 L1 cache line and L2 PL310 cache line length is 32-byte.
*
* @param address The physical address.
* @param size_byte size of the memory to be invalidated.
* @note address and size should be aligned to cache line size
* 32-Byte due to the cache operation unit is one cache line. The startAddr here will be forced
* to align to the cache line size if startAddr is not aligned. For the size_byte, application should
* make sure the alignment or make sure the right operation order if the size_byte is not aligned.
*/
void DCACHE_InvalidateByRange(uint32_t address, uint32_t size_byte);
/*!
* @brief Cleans all data caches by range.
*
* Both cortex-m7 L1 cache line and L2 PL310 cache line length is 32-byte.
*
* @param address The physical address.
* @param size_byte size of the memory to be cleaned.
* @note address and size should be aligned to cache line size
* 32-Byte due to the cache operation unit is one cache line. The startAddr here will be forced
* to align to the cache line size if startAddr is not aligned. For the size_byte, application should
* make sure the alignment or make sure the right operation order if the size_byte is not aligned.
*/
void DCACHE_CleanByRange(uint32_t address, uint32_t size_byte);
/*!
* @brief Cleans and Invalidates all data caches by range.
*
* Both cortex-m7 L1 cache line and L2 PL310 cache line length is 32-byte.
*
* @param address The physical address.
* @param size_byte size of the memory to be cleaned and invalidated.
* @note address and size should be aligned to cache line size
* 32-Byte due to the cache operation unit is one cache line. The startAddr here will be forced
* to align to the cache line size if startAddr is not aligned. For the size_byte, application should
* make sure the alignment or make sure the right operation order if the size_byte is not aligned.
*/
void DCACHE_CleanInvalidateByRange(uint32_t address, uint32_t size_byte);
/*@}*/
#if defined(__cplusplus)
}
#endif
/*! @}*/
#endif /* _FSL_CACHE_H_*/
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