137 lines
3.8 KiB
C
137 lines
3.8 KiB
C
/***********************license start***************
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* Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Cavium Inc. nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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* This Software, including technical data, may be subject to U.S. export control
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* laws, including the U.S. Export Administration Act and its associated
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* regulations, and may be subject to export or import regulations in other
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* countries.
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
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* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
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* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
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* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
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* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
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* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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***********************license end**************************************/
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/**
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* @file
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*
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* This file provides bootbus flash operations
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*
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* <hr>$Revision: 70030 $<hr>
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*
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*
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*/
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#ifndef __CVMX_FLASH_H__
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#define __CVMX_FLASH_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct
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{
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int start_offset;
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int block_size;
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int num_blocks;
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} cvmx_flash_region_t;
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/**
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* Initialize the flash access library
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*/
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void cvmx_flash_initialize(void);
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/**
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* Return a pointer to the flash chip
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*
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* @param chip_id Chip ID to return
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* @return NULL if the chip doesn't exist
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*/
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void *cvmx_flash_get_base(int chip_id);
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/**
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* Return the number of erasable regions on the chip
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*
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* @param chip_id Chip to return info for
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* @return Number of regions
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*/
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int cvmx_flash_get_num_regions(int chip_id);
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/**
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* Return information about a flash chips region
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*
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* @param chip_id Chip to get info for
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* @param region Region to get info for
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* @return Region information
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*/
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const cvmx_flash_region_t *cvmx_flash_get_region_info(int chip_id, int region);
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/**
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* Erase a block on the flash chip
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*
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* @param chip_id Chip to erase a block on
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* @param region Region to erase a block in
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* @param block Block number to erase
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* @return Zero on success. Negative on failure
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*/
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int cvmx_flash_erase_block(int chip_id, int region, int block);
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/**
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* Write a block on the flash chip
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*
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* @param chip_id Chip to write a block on
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* @param region Region to write a block in
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* @param block Block number to write
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* @param data Data to write
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* @return Zero on success. Negative on failure
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*/
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int cvmx_flash_write_block(int chip_id, int region, int block, const void *data);
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/**
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* Erase and write data to a flash
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*
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* @param address Memory address to write to
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* @param data Data to write
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* @param len Length of the data
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* @return Zero on success. Negative on failure
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*/
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int cvmx_flash_write(void *address, const void *data, int len);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CVMX_FLASH_H__ */
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