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/*
* Copyright 2008-2015 Freescale Semiconductor Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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 __FM_MURAM_EXT
#define __FM_MURAM_EXT
#include <linux/types.h>
#define FM_MURAM_INVALID_ALLOCATION -1
/* Structure for FM MURAM information */
struct muram_info;
/**
* fman_muram_init
* @base: Pointer to base of memory mapped FM-MURAM.
* @size: Size of the FM-MURAM partition.
*
* Creates partition in the MURAM.
* The routine returns a pointer to the MURAM partition.
* This pointer must be passed as to all other FM-MURAM function calls.
* No actual initialization or configuration of FM_MURAM hardware is done by
* this routine.
*
* Return: pointer to FM-MURAM object, or NULL for Failure.
*/
struct muram_info *fman_muram_init(phys_addr_t base, size_t size);
/**
* fman_muram_offset_to_vbase
* @muram: FM-MURAM module pointer.
* @offset: the offset of the memory block
*
* Gives the address of the memory region from specific offset
*
* Return: The address of the memory block
*/
unsigned long fman_muram_offset_to_vbase(struct muram_info *muram,
unsigned long offset);
/**
* fman_muram_alloc
* @muram: FM-MURAM module pointer.
* @size: Size of the memory to be allocated.
*
* Allocate some memory from FM-MURAM partition.
*
* Return: address of the allocated memory; NULL otherwise.
*/
int fman_muram_alloc(struct muram_info *muram, size_t size);
/**
* fman_muram_free_mem
* muram: FM-MURAM module pointer.
* offset: offset of the memory region to be freed.
* size: size of the memory to be freed.
*
* Free an allocated memory from FM-MURAM partition.
*/
void fman_muram_free_mem(struct muram_info *muram, u32 offset, size_t size);
#endif /* __FM_MURAM_EXT */
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