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/***********************license start***************
* Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights
* reserved.
*
*
* 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 Cavium Inc. 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, including technical data, may be subject to U.S. export control
* laws, including the U.S. Export Administration Act and its associated
* regulations, and may be subject to export or import regulations in other
* countries.
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
/**
* @file
*
* This file provides bootbus flash operations
*
* <hr>$Revision: 70030 $<hr>
*
*
*/
#ifndef __CVMX_FLASH_H__
#define __CVMX_FLASH_H__
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
int start_offset;
int block_size;
int num_blocks;
} cvmx_flash_region_t;
/**
* Initialize the flash access library
*/
void cvmx_flash_initialize(void);
/**
* Return a pointer to the flash chip
*
* @param chip_id Chip ID to return
* @return NULL if the chip doesn't exist
*/
void *cvmx_flash_get_base(int chip_id);
/**
* Return the number of erasable regions on the chip
*
* @param chip_id Chip to return info for
* @return Number of regions
*/
int cvmx_flash_get_num_regions(int chip_id);
/**
* Return information about a flash chips region
*
* @param chip_id Chip to get info for
* @param region Region to get info for
* @return Region information
*/
const cvmx_flash_region_t *cvmx_flash_get_region_info(int chip_id, int region);
/**
* Erase a block on the flash chip
*
* @param chip_id Chip to erase a block on
* @param region Region to erase a block in
* @param block Block number to erase
* @return Zero on success. Negative on failure
*/
int cvmx_flash_erase_block(int chip_id, int region, int block);
/**
* Write a block on the flash chip
*
* @param chip_id Chip to write a block on
* @param region Region to write a block in
* @param block Block number to write
* @param data Data to write
* @return Zero on success. Negative on failure
*/
int cvmx_flash_write_block(int chip_id, int region, int block, const void *data);
/**
* Erase and write data to a flash
*
* @param address Memory address to write to
* @param data Data to write
* @param len Length of the data
* @return Zero on success. Negative on failure
*/
int cvmx_flash_write(void *address, const void *data, int len);
#ifdef __cplusplus
}
#endif
#endif /* __CVMX_FLASH_H__ */
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