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/************************************************************************************
* arch/arm/src/sam34/sam_cmcc.h
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name NuttX 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 OWNER 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 __ARCH_ARM_SRC_SAM34_SAM_CMCC_H
#define __ARCH_ARM_SRC_SAM34_SAM_CMCC_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#ifdef CONFIG_SAM34_CMCC
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Inline Functions
************************************************************************************/
#ifndef __ASSEMBLY__
/************************************************************************************
* Public Data
************************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/************************************************************************************
* Public Function Prototypes
************************************************************************************/
/****************************************************************************
* Name: sam_cmcc_enable
*
* Description:
* Enable the Cortex-M Cache Controller
*
****************************************************************************/
void sam_cmcc_enable(void);
/****************************************************************************
* Name: sam_cmcc_disable
*
* Description:
* Disable the Cortex-M Cache Controller
*
****************************************************************************/
void sam_cmcc_disable(void);
/****************************************************************************
* Name: sam_cmcc_invalidate
*
* Description:
* Invalidate a range of addresses. Note: These addresses should be
* aligned with the beginning and end of cache lines. Otherwise, values
* at the edges of the region will also be invalidated!
*
****************************************************************************/
void sam_cmcc_invalidate(uintptr_t start, uintptr_t end);
/****************************************************************************
* Name: sam_cmcc_invalidateall
*
* Description:
* Invalidate the entire cache
*
****************************************************************************/
void sam_cmcc_invalidateall(void);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#else /* CONFIG_SAM34_CMCC */
/* Stubs so that we don't have to put condition compilation in driver source */
# define sam_cmcc_invalidate(start, end)
# define sam_cmcc_invalidateall()
#endif /* CONFIG_SAM34_CMCC */
#endif /* __ARCH_ARM_SRC_SAM34_SAM_CMCC_H */
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