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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**************************************/




#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__ */
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