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/***********************license start***************
 *  Copyright (c) 2008 Cavium Networks (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 Networks nor the names of
 *        its contributors may be used to endorse or promote products
 *        derived from this software without specific prior written
 *        permission.
 *
 *  TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
 *  AND WITH ALL FAULTS AND CAVIUM NETWORKS 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.
 *
 *
 *  For any questions regarding licensing please contact marketing@caviumnetworks.com
 *
 ***********************license end**************************************/



#ifndef __CVMX_COMPACTFLASH_H__
#define __CVMX_COMPACTFLASH_H__
#ifdef	__cplusplus
extern "C" {
#endif


/**
 * This function takes values from the compact flash device
 * identify response, and returns the appropriate value to write
 * into the boot bus DMA timing register.
 *
 * @param tim_mult   Eclock timing multiple to use
 * @param ident_data Data returned by the 'identify' command.  This is used to
 *                   determine the DMA modes supported by the card, if any.
 * @param mwdma_mode_ptr
 *                   Optional pointer to return MWDMA mode in
 *
 * @return 64 bit value to write to DMA timing register
 */
extern uint64_t cvmx_compactflash_generate_dma_tim(int tim_mult, uint16_t *ident_data, int *mwdma_mode_ptr);

/**
 * Setup timing and region config to support a specific IDE PIO
 * mode over the bootbus.
 *
 * @param cs0      Bootbus region number connected to CS0 on the IDE device
 * @param cs1      Bootbus region number connected to CS1 on the IDE device
 * @param pio_mode PIO mode to set (0-6)
 */
extern void cvmx_compactflash_set_piomode(int cs0, int cs1, int pio_mode);

#ifdef	__cplusplus
}
#endif
#endif   /* __CVMX_COMPACTFLASH_H__ */