diff options
Diffstat (limited to 'bsp/imxrt/Libraries/drivers/fsl_cache.c')
| -rw-r--r-- | bsp/imxrt/Libraries/drivers/fsl_cache.c | 460 |
1 files changed, 0 insertions, 460 deletions
diff --git a/bsp/imxrt/Libraries/drivers/fsl_cache.c b/bsp/imxrt/Libraries/drivers/fsl_cache.c deleted file mode 100644 index 02740c45e5..0000000000 --- a/bsp/imxrt/Libraries/drivers/fsl_cache.c +++ /dev/null @@ -1,460 +0,0 @@ -/* - * Copyright (c) 2016, 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. - */ - -#include "fsl_cache.h" - -/******************************************************************************* - * Definitions - ******************************************************************************/ -#if (FSL_FEATURE_SOC_L2CACHEC_COUNT > 0) -#define L2CACHE_OPERATION_TIMEOUT 0xFFFFFU -#define L2CACHE_8WAYS_MASK 0xFFU -#define L2CACHE_16WAYS_MASK 0xFFFFU -#define L2CACHE_SMALLWAYS_NUM 8U -#define L2CACHE_1KBCOVERTOB 1024U -#define L2CACHE_SAMLLWAYS_SIZE 16U -#define L2CACHE_LOCKDOWN_REGNUM 8 /*!< Lock down register numbers.*/ -/******************************************************************************* -* Prototypes -******************************************************************************/ -/*! - * @brief Set for all ways and waiting for the operation finished. - * This is provided for all the background operations. - * - * @param auxCtlReg The auxiliary control register. - * @param regAddr The register address to be operated. - */ -static void L2CACHE_SetAndWaitBackGroundOperate(uint32_t auxCtlReg, uint32_t regAddr); - -/*! - * @brief Invalidates the Level 2 cache line by physical address. - * This function invalidates a cache line by physcial address. - * - * @param address The physical addderss of the cache. - * The format of the address shall be : - * bit 31 ~ bit n+1 | bitn ~ bit5 | bit4 ~ bit0 - * Tag | index | 0 - * Note: the physical address shall be aligned to the line size - 32B (256 bit). - * so keep the last 5 bits (bit 4 ~ bit 0) of the physical address always be zero. - * If the input address is not aligned, it will be changed to 32-byte aligned address. - * The n is varies according to the index width. - * @return The actual 32-byte aligned physical address be operated. - */ -static uint32_t L2CACHE_InvalidateLineByAddr(uint32_t address); - -/*! - * @brief Cleans the Level 2 cache line based on the physical address. - * This function cleans a cache line based on a physcial address. - * - * @param address The physical addderss of the cache. - * The format of the address shall be : - * bit 31 ~ bit n+1 | bitn ~ bit5 | bit4 ~ bit0 - * Tag | index | 0 - * Note: the physical address shall be aligned to the line size - 32B (256 bit). - * so keep the last 5 bits (bit 4 ~ bit 0) of the physical address always be zero. - * If the input address is not aligned, it will be changed to 32-byte aligned address. - * The n is varies according to the index width. - * @return The actual 32-byte aligned physical address be operated. - */ -static uint32_t L2CACHE_CleanLineByAddr(uint32_t address); - -/*! - * @brief Cleans and invalidates the Level 2 cache line based on the physical address. - * This function cleans and invalidates a cache line based on a physcial address. - * - * @param address The physical addderss of the cache. - * The format of the address shall be : - * bit 31 ~ bit n+1 | bitn ~ bit5 | bit4 ~ bit0 - * Tag | index | 0 - * Note: the physical address shall be aligned to the line size - 32B (256 bit). - * so keep the last 5 bits (bit 4 ~ bit 0) of the physical address always be zero. - * If the input address is not aligned, it will be changed to 32-byte aligned address. - * The n is varies according to the index width. - * @return The actual 32-byte aligned physical address be operated. - */ -static uint32_t L2CACHE_CleanInvalidateLineByAddr(uint32_t address); - -/*! - * @brief Gets the number of the Level 2 cache and the way size. - * This function cleans and invalidates a cache line based on a physcial address. - * - * @param num_ways The number of the cache way. - * @param size_way The way size. - */ -static void L2CACHE_GetWayNumSize(uint32_t *num_ways, uint32_t *size_way); -/******************************************************************************* - * Code - ******************************************************************************/ -static void L2CACHE_SetAndWaitBackGroundOperate(uint32_t auxCtlReg, uint32_t regAddr) -{ - uint16_t mask = L2CACHE_8WAYS_MASK; - uint32_t timeout = L2CACHE_OPERATION_TIMEOUT; - - /* Check the ways used at first. */ - if (auxCtlReg & L2CACHEC_REG1_AUX_CONTROL_ASSOCIATIVITY_MASK) - { - mask = L2CACHE_16WAYS_MASK; - } - - /* Set the opeartion for all ways/entries of the cache. */ - *(uint32_t *)regAddr = mask; - /* Waiting for until the operation is complete. */ - while ((*(uint32_t *)regAddr & mask) && timeout) - { - __ASM("nop"); - timeout--; - } -} - -static uint32_t L2CACHE_InvalidateLineByAddr(uint32_t address) -{ - /* Align the address first. */ - address &= ~(uint32_t)(FSL_FEATURE_L2CACHE_LINESIZE_BYTE - 1); - /* Invalidate the cache line by physical address. */ - L2CACHEC->REG7_INV_PA = address; - - return address; -} - -static uint32_t L2CACHE_CleanLineByAddr(uint32_t address) -{ - /* Align the address first. */ - address &= ~(uint32_t)(FSL_FEATURE_L2CACHE_LINESIZE_BYTE - 1); - /* Invalidate the cache line by physical address. */ - L2CACHEC->REG7_CLEAN_PA = address; - - return address; -} - -static uint32_t L2CACHE_CleanInvalidateLineByAddr(uint32_t address) -{ - /* Align the address first. */ - address &= ~(uint32_t)(FSL_FEATURE_L2CACHE_LINESIZE_BYTE - 1); - /* Clean and invalidate the cache line by physical address. */ - L2CACHEC->REG7_CLEAN_INV_PA = address; - - return address; -} - -static void L2CACHE_GetWayNumSize(uint32_t *num_ways, uint32_t *size_way) -{ - assert(num_ways); - assert(size_way); - - uint32_t number = (L2CACHEC->REG1_AUX_CONTROL & L2CACHEC_REG1_AUX_CONTROL_ASSOCIATIVITY_MASK) >> - L2CACHEC_REG1_AUX_CONTROL_ASSOCIATIVITY_SHIFT; - uint32_t size = (L2CACHEC->REG1_AUX_CONTROL & L2CACHEC_REG1_AUX_CONTROL_WAYSIZE_MASK) >> - L2CACHEC_REG1_AUX_CONTROL_WAYSIZE_SHIFT; - - *num_ways = (number + 1) * L2CACHE_SMALLWAYS_NUM; - if (!size) - { - /* 0 internally mapped to the same size as 1 - 16KB.*/ - size += 1; - } - *size_way = (1 << (size - 1)) * L2CACHE_SAMLLWAYS_SIZE * L2CACHE_1KBCOVERTOB; -} - -void L2CACHE_Init(l2cache_config_t *config) -{ - assert (config); - - uint16_t waysNum = 0xFFU; /* Default use the 8-way mask. */ - uint8_t count; - uint32_t auxReg = 0; - - /*The aux register must be configured when the cachec is disabled - * So disable first if the cache controller is enabled. - */ - if (L2CACHEC->REG1_CONTROL & L2CACHEC_REG1_CONTROL_CE_MASK) - { - L2CACHE_Disable(); - } - - /* Unlock all entries. */ - if (L2CACHEC->REG1_AUX_CONTROL & L2CACHEC_REG1_AUX_CONTROL_ASSOCIATIVITY_MASK) - { - waysNum = 0xFFFFU; - } - - for (count = 0; count < L2CACHE_LOCKDOWN_REGNUM; count ++) - { - L2CACHE_LockdownByWayEnable(count, waysNum, false); - } - - /* Set the ways and way-size etc. */ - auxReg = L2CACHEC_REG1_AUX_CONTROL_ASSOCIATIVITY(config->wayNum) | - L2CACHEC_REG1_AUX_CONTROL_WAYSIZE(config->waySize) | - L2CACHEC_REG1_AUX_CONTROL_CRP(config->repacePolicy) | - L2CACHEC_REG1_AUX_CONTROL_IPE(config->istrPrefetchEnable) | - L2CACHEC_REG1_AUX_CONTROL_DPE(config->dataPrefetchEnable) | - L2CACHEC_REG1_AUX_CONTROL_NLE(config->nsLockdownEnable) | - L2CACHEC_REG1_AUX_CONTROL_FWA(config->writeAlloc) | - L2CACHEC_REG1_AUX_CONTROL_HPSDRE(config->writeAlloc); - L2CACHEC->REG1_AUX_CONTROL = auxReg; - - /* Set the tag/data ram latency. */ - if (config->lateConfig) - { - uint32_t data = 0; - /* Tag latency. */ - data = L2CACHEC_REG1_TAG_RAM_CONTROL_SL(config->lateConfig->tagSetupLate)| - L2CACHEC_REG1_TAG_RAM_CONTROL_SL(config->lateConfig->tagSetupLate)| - L2CACHEC_REG1_TAG_RAM_CONTROL_RAL(config->lateConfig->tagReadLate)| - L2CACHEC_REG1_TAG_RAM_CONTROL_WAL(config->lateConfig->dataWriteLate); - L2CACHEC->REG1_TAG_RAM_CONTROL = data; - /* Data latency. */ - data = L2CACHEC_REG1_DATA_RAM_CONTROL_SL(config->lateConfig->dataSetupLate)| - L2CACHEC_REG1_DATA_RAM_CONTROL_SL(config->lateConfig->dataSetupLate)| - L2CACHEC_REG1_DATA_RAM_CONTROL_RAL(config->lateConfig->dataReadLate)| - L2CACHEC_REG1_DATA_RAM_CONTROL_WAL(config->lateConfig->dataWriteLate); - L2CACHEC->REG1_DATA_RAM_CONTROL = data; - } -} - -void L2CACHE_GetDefaultConfig(l2cache_config_t *config) -{ - assert(config); - uint32_t number = (L2CACHEC->REG1_AUX_CONTROL & L2CACHEC_REG1_AUX_CONTROL_ASSOCIATIVITY_MASK) >> - L2CACHEC_REG1_AUX_CONTROL_ASSOCIATIVITY_SHIFT; - uint32_t size = (L2CACHEC->REG1_AUX_CONTROL & L2CACHEC_REG1_AUX_CONTROL_WAYSIZE_MASK) >> - L2CACHEC_REG1_AUX_CONTROL_WAYSIZE_SHIFT; - - /* Get the default value */ - config->wayNum = (l2cache_way_num_t)number; - config->waySize = (l2cache_way_size)size; - config->repacePolicy = kL2CACHE_Roundrobin; - config->lateConfig = NULL; - config->istrPrefetchEnable = false; - config->dataPrefetchEnable = false; - config->nsLockdownEnable = false; - config->writeAlloc = kL2CACHE_UseAwcache; -} - -void L2CACHE_Enable(void) -{ - /* Invalidate first. */ - L2CACHE_Invalidate(); - /* Enable the level 2 cache controller. */ - L2CACHEC->REG1_CONTROL = L2CACHEC_REG1_CONTROL_CE_MASK; -} - -void L2CACHE_Disable(void) -{ - /* First CleanInvalidate all enties in the cache. */ - L2CACHE_CleanInvalidate(); - /* Disable the level 2 cache controller. */ - L2CACHEC->REG1_CONTROL &= ~L2CACHEC_REG1_CONTROL_CE_MASK; - /* DSB - data sync barrier.*/ - __DSB(); -} - -void L2CACHE_Invalidate(void) -{ - /* Invalidate all entries in cache. */ - L2CACHE_SetAndWaitBackGroundOperate(L2CACHEC->REG1_AUX_CONTROL, (uint32_t)&L2CACHEC->REG7_INV_WAY); - /* Cache sync. */ - L2CACHEC->REG7_CACHE_SYNC = 0; -} - -void L2CACHE_Clean(void) -{ - /* Clean all entries of the cache. */ - L2CACHE_SetAndWaitBackGroundOperate(L2CACHEC->REG1_AUX_CONTROL, (uint32_t)&L2CACHEC->REG7_CLEAN_WAY); - /* Cache sync. */ - L2CACHEC->REG7_CACHE_SYNC = 0; -} - -void L2CACHE_CleanInvalidate(void) -{ - /* Clean all entries of the cache. */ - L2CACHE_SetAndWaitBackGroundOperate(L2CACHEC->REG1_AUX_CONTROL, (uint32_t)&L2CACHEC->REG7_CLEAN_INV_WAY); - /* Cache sync. */ - L2CACHEC->REG7_CACHE_SYNC = 0; -} - -void L2CACHE_InvalidateByRange(uint32_t address, uint32_t size_byte) -{ - uint32_t endAddr = address + size_byte; - - /* Invalidate addresses in the range. */ - while (address < endAddr) - { - address = L2CACHE_InvalidateLineByAddr(address); - /* Update the size. */ - address += FSL_FEATURE_L2CACHE_LINESIZE_BYTE; - } - - /* Cache sync. */ - L2CACHEC->REG7_CACHE_SYNC = 0; -} - -void L2CACHE_CleanByRange(uint32_t address, uint32_t size_byte) -{ - uint32_t num_ways = 0; - uint32_t size_way = 0; - uint32_t endAddr = address + size_byte; - - /* Get the number and size of the cache way. */ - L2CACHE_GetWayNumSize(&num_ways, &size_way); - - /* Check if the clean size is over the cache size. */ - if ((endAddr - address) > num_ways * size_way) - { - L2CACHE_Clean(); - return; - } - - /* Clean addresses in the range. */ - while ((address & ~(uint32_t)(FSL_FEATURE_L2CACHE_LINESIZE_BYTE - 1)) < endAddr) - { - /* Clean the address in the range. */ - address = L2CACHE_CleanLineByAddr(address); - address += FSL_FEATURE_L2CACHE_LINESIZE_BYTE; - } - - L2CACHEC->REG7_CACHE_SYNC = 0; -} - -void L2CACHE_CleanInvalidateByRange(uint32_t address, uint32_t size_byte) -{ - uint32_t num_ways = 0; - uint32_t size_way = 0; - uint32_t endAddr = address + size_byte; - - /* Get the number and size of the cache way. */ - L2CACHE_GetWayNumSize(&num_ways, &size_way); - - /* Check if the clean size is over the cache size. */ - if ((endAddr - address) > num_ways * size_way) - { - L2CACHE_CleanInvalidate(); - return; - } - - /* Clean addresses in the range. */ - while ((address & ~(uint32_t)(FSL_FEATURE_L2CACHE_LINESIZE_BYTE - 1)) < endAddr) - { - /* Clean the address in the range. */ - address = L2CACHE_CleanInvalidateLineByAddr(address); - address += FSL_FEATURE_L2CACHE_LINESIZE_BYTE; - } - - L2CACHEC->REG7_CACHE_SYNC = 0; -} - -void L2CACHE_LockdownByWayEnable(uint32_t masterId, uint32_t mask, bool enable) -{ - uint8_t num_ways = (L2CACHEC->REG1_AUX_CONTROL & L2CACHEC_REG1_AUX_CONTROL_ASSOCIATIVITY_MASK) >> - L2CACHEC_REG1_AUX_CONTROL_ASSOCIATIVITY_SHIFT; - num_ways = (num_ways + 1) * L2CACHE_SMALLWAYS_NUM; - - assert(mask < (1U << num_ways)); - assert(masterId < L2CACHE_LOCKDOWN_REGNUM); - - uint32_t dataReg = L2CACHEC->LOCKDOWN[masterId].REG9_D_LOCKDOWN; - uint32_t istrReg = L2CACHEC->LOCKDOWN[masterId].REG9_I_LOCKDOWN; - - if (enable) - { - /* Data lockdown. */ - L2CACHEC->LOCKDOWN[masterId].REG9_D_LOCKDOWN = dataReg | mask; - /* Instruction lockdown. */ - L2CACHEC->LOCKDOWN[masterId].REG9_I_LOCKDOWN = istrReg | mask; - } - else - { - /* Data lockdown. */ - L2CACHEC->LOCKDOWN[masterId].REG9_D_LOCKDOWN = dataReg & ~mask; - /* Instruction lockdown. */ - L2CACHEC->LOCKDOWN[masterId].REG9_I_LOCKDOWN = istrReg & ~mask; - } -} -#endif /* FSL_FEATURE_SOC_L2CACHEC_COUNT > 0 */ - -void L1CACHE_InvalidateICacheByRange(uint32_t address, uint32_t size_byte) -{ -#if (__DCACHE_PRESENT == 1U) - uint32_t addr = address & (uint32_t)~(FSL_FEATURE_L1ICACHE_LINESIZE_BYTE - 1); - int32_t size = size_byte + address - addr; - uint32_t linesize = 32U; - - __DSB(); - while (size > 0) - { - SCB->ICIMVAU = addr; - addr += linesize; - size -= linesize; - } - __DSB(); - __ISB(); -#endif -} - -void ICACHE_InvalidateByRange(uint32_t address, uint32_t size_byte) -{ -#if (FSL_FEATURE_SOC_L2CACHEC_COUNT > 0) -#if defined(FSL_SDK_DISBLE_L2CACHE_PRESENT) && !FSL_SDK_DISBLE_L2CACHE_PRESENT - L2CACHE_InvalidateByRange(address, size_byte); -#endif /* !FSL_SDK_DISBLE_L2CACHE_PRESENT */ -#endif /* FSL_FEATURE_SOC_L2CACHEC_COUNT > 0 */ - - L1CACHE_InvalidateICacheByRange(address, size_byte); -} - -void DCACHE_InvalidateByRange(uint32_t address, uint32_t size_byte) -{ -#if (FSL_FEATURE_SOC_L2CACHEC_COUNT > 0) -#if defined(FSL_SDK_DISBLE_L2CACHE_PRESENT) && !FSL_SDK_DISBLE_L2CACHE_PRESENT - L2CACHE_InvalidateByRange(address, size_byte); -#endif /* !FSL_SDK_DISBLE_L2CACHE_PRESENT */ -#endif /* FSL_FEATURE_SOC_L2CACHEC_COUNT > 0 */ - L1CACHE_InvalidateDCacheByRange(address, size_byte); -} - -void DCACHE_CleanByRange(uint32_t address, uint32_t size_byte) -{ - L1CACHE_CleanDCacheByRange(address, size_byte); -#if (FSL_FEATURE_SOC_L2CACHEC_COUNT > 0) -#if defined(FSL_SDK_DISBLE_L2CACHE_PRESENT) && !FSL_SDK_DISBLE_L2CACHE_PRESENT - L2CACHE_CleanByRange(address, size_byte); -#endif /* !FSL_SDK_DISBLE_L2CACHE_PRESENT */ -#endif /* FSL_FEATURE_SOC_L2CACHEC_COUNT > 0 */ -} - -void DCACHE_CleanInvalidateByRange(uint32_t address, uint32_t size_byte) -{ - L1CACHE_CleanInvalidateDCacheByRange(address, size_byte); -#if (FSL_FEATURE_SOC_L2CACHEC_COUNT > 0) -#if defined(FSL_SDK_DISBLE_L2CACHE_PRESENT) && !FSL_SDK_DISBLE_L2CACHE_PRESENT - L2CACHE_CleanInvalidateByRange(address, size_byte); -#endif /* !FSL_SDK_DISBLE_L2CACHE_PRESENT */ -#endif /* FSL_FEATURE_SOC_L2CACHEC_COUNT > 0 */ -} |