4948f4b8d5
Executive is a library that can be used by standalone applications and kernels to abstract access to Octeon SoC and board-specific hardware and facilities. The FreeBSD port to Octeon will be updated to use this where possible.
135 lines
3.7 KiB
C
135 lines
3.7 KiB
C
/***********************license start***************
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* Copyright (c) 2003-2008 Cavium Networks (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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*
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* * Neither the name of Cavium Networks 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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*
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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 NETWORKS MAKES NO PROMISES, REPRESENTATIONS
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* OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
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* RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
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* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
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* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
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* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
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* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET
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* POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT
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* OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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*
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*
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* For any questions regarding licensing please contact marketing@caviumnetworks.com
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*
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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: 41586 $<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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