* arch/arm/src/arm_m/l2cc.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_ARM_M_L2CC_H
#define __ARCH_ARM_SRC_ARM_M_L2CC_H
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#ifdef CONFIG_ARCH_L2CACHE
* Pre-processor Definitions
****************************************************************************/
* Public Data
****************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
* Public Function Prototypes
****************************************************************************/
* Name: l2cc_linesize
*
* Description:
* Get L2 cache linesize
*
* Input Parameters:
* None
*
* Returned Value:
* L2 cache linesize
*
****************************************************************************/
uint32_t l2cc_linesize(void);
* Name: l2cc_size
*
* Description:
* Get L2CC-P310 L2 cache size
*
* Input Parameters:
* None
*
* Returned Value:
* L2 cache size
*
****************************************************************************/
uint32_t l2cc_size(void);
* Name: l2cc_enable
*
* Description:
* Re-enable the L2CC-P310 L2 cache by setting the enable bit in the
* Control Register (CR)
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
****************************************************************************/
void l2cc_enable(void);
* Name: l2cc_disable
*
* Description:
* Disable the L2 cache
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
****************************************************************************/
void l2cc_disable(void);
* Name: l2cc_sync
*
* Description:
* Drain the L2 cache.
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
****************************************************************************/
void l2cc_sync(void);
* Name: l2cc_invalidate_all
*
* Description:
* Invalidate the entire L2 cache.
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
****************************************************************************/
void l2cc_invalidate_all(void);
* Name: l2cc_invalidate
*
* Description:
* Invalidate a range of addresses in the L2 cache
*
* Input Parameters:
* startaddr - The first address to be invalidated
* endaddr - The last address to be invalidated
*
* Returned Value:
* None
*
****************************************************************************/
void l2cc_invalidate(uintptr_t startaddr, uintptr_t endaddr);
* Name: l2cc_clean_all
*
* Description:
* Clean the entire L2 cache.
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
****************************************************************************/
void l2cc_clean_all(void);
* Name: l2cc_clean
*
* Description:
* Clean a range of address within the L2 cache.
*
* Input Parameters:
* startaddr - The first address to be cleaned
* endaddr - The last address to be cleaned
*
* Returned Value:
* None
*
****************************************************************************/
void l2cc_clean(uintptr_t startaddr, uintptr_t endaddr);
* Name: l2cc_flush_all
*
* Description:
* Flush the entire L2 cache.
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
****************************************************************************/
void l2cc_flush_all(void);
* Name: l2cc_flush
*
* Description:
* Flush a range of address within the L2 cache.
*
* Input Parameters:
* startaddr - The first address to be flushed
* endaddr - The last address to be flushed
*
* Returned Value:
* None
*
****************************************************************************/
void l2cc_flush(uint32_t startaddr, uint32_t endaddr);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif
#else
* compilation in one place.
*/
# define l2cc_size() 0
# define l2cc_linesize() 0
# define l2cc_enable()
# define l2cc_disable()
# define l2cc_sync()
# define l2cc_invalidate_all()
# define l2cc_invalidate(s,e) UNUSED(s)
# define l2cc_clean_all()
# define l2cc_clean(s,e) UNUSED(s)
# define l2cc_flush_all()
# define l2cc_flush(s,e) UNUSED(s)
#endif
#endif