forked from xuos/xiuos
244 lines
6.3 KiB
C
244 lines
6.3 KiB
C
/****************************************************************************
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* arch/arm/src/armv7-a/l2cc.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_ARMV7_A_L2CC_H
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#define __ARCH_ARM_SRC_ARMV7_A_L2CC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#define CONFIG_ARCH_L2CACHE
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#ifdef CONFIG_ARCH_L2CACHE
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: arm_l2ccinitialize
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*
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* Description:
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* One time configuration of the L2 cache. The L2 cache will be enabled
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* upon return.
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*
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* Input Parameters:
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* None. The L2 cache configuration is controlled by configuration
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* settings.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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#if 0 /* Prototyped in arm_internal.h */
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void arm_l2ccinitialize(void);
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#endif
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/****************************************************************************
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* Name: l2cc_enable
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*
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* Description:
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* Re-enable the L2CC-P310 L2 cache by setting the enable bit in the
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* Control Register (CR)
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void EnableL2Cache(void);
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/****************************************************************************
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* Name: l2cc_disable
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*
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* Description:
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* Disable the L2 cache
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void DisableL2Cache(void);
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/****************************************************************************
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* Name: l2cc_sync
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*
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* Description:
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* Drain the L2 cache.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void SyncL2Cache(void);
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/****************************************************************************
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* Name: l2cc_invalidate_all
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*
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* Description:
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* Invalidate the entire L2 cache.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void InvalidateL2CacheAll(void);
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/****************************************************************************
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* Name: l2cc_invalidate
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*
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* Description:
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* Invalidate a range of addresses in the L2 cache
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*
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* Input Parameters:
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* startaddr - The first address to be invalidated
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* endaddr - The last address to be invalidated
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void InvalidateL2Cache(uintptr_t startaddr, uintptr_t endaddr);
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/****************************************************************************
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* Name: l2cc_clean_all
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*
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* Description:
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* Clean the entire L2 cache.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void CleanL2CacheAll(void);
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/****************************************************************************
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* Name: l2cc_clean
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*
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* Description:
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* Clean a range of address within the L2 cache.
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*
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* Input Parameters:
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* startaddr - The first address to be cleaned
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* endaddr - The last address to be cleaned
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void CleanL2Cache(uintptr_t startaddr, uintptr_t endaddr);
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/****************************************************************************
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* Name: l2cc_flush_all
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*
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* Description:
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* Flush the entire L2 cache.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void FlushL2CacheAll(void);
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/****************************************************************************
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* Name: l2cc_flush
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*
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* Description:
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* Flush a range of address within the L2 cache.
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*
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* Input Parameters:
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* startaddr - The first address to be flushed
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* endaddr - The last address to be flushed
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void FlushL2Cache(uint32_t startaddr, uint32_t endaddr);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#else /* CONFIG_ARCH_L2CACHE */
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/* Provide simple definitions to concentrate the inline conditional
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* compilation in one place.
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*/
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# define EnableL2Cache()
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# define DisableL2Cache()
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# define SyncL2Cache()
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# define InvalidateL2CacheAll()
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# define InvalidateL2Cache(s,e)
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# define CleanL2CacheAll()
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# define CleanL2Cache(s,e)
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# define FlushL2CacheAll()
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# define FlushL2Cache(s,e)
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#endif /* CONFIG_ARCH_L2CACHE */
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#endif /* __ARCH_ARM_SRC_ARMV7_A_L2CC_H */
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