1/***********************license start*************** 2 * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights 3 * reserved. 4 * 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * * Redistributions in binary form must reproduce the above 14 * copyright notice, this list of conditions and the following 15 * disclaimer in the documentation and/or other materials provided 16 * with the distribution. 17 18 * * Neither the name of Cavium Inc. nor the names of 19 * its contributors may be used to endorse or promote products 20 * derived from this software without specific prior written 21 * permission. 22 23 * This Software, including technical data, may be subject to U.S. export control 24 * laws, including the U.S. Export Administration Act and its associated 25 * regulations, and may be subject to export or import regulations in other 26 * countries. 27 28 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" 29 * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR 30 * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO 31 * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR 32 * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM 33 * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, 34 * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF 35 * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR 36 * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR 37 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. 38 ***********************license end**************************************/ 39 40 41 42 43#ifndef __CVMX_COMPACTFLASH_H__ 44#define __CVMX_COMPACTFLASH_H__ 45#ifdef __cplusplus 46extern "C" { 47#endif 48 49 50/** 51 * This function takes values from the compact flash device 52 * identify response, and returns the appropriate value to write 53 * into the boot bus DMA timing register. 54 * 55 * @param tim_mult Eclock timing multiple to use 56 * @param ident_data Data returned by the 'identify' command. This is used to 57 * determine the DMA modes supported by the card, if any. 58 * @param mwdma_mode_ptr 59 * Optional pointer to return MWDMA mode in 60 * 61 * @return 64 bit value to write to DMA timing register 62 */ 63extern uint64_t cvmx_compactflash_generate_dma_tim(int tim_mult, uint16_t *ident_data, int *mwdma_mode_ptr); 64 65/** 66 * Setup timing and region config to support a specific IDE PIO 67 * mode over the bootbus. 68 * 69 * @param cs0 Bootbus region number connected to CS0 on the IDE device 70 * @param cs1 Bootbus region number connected to CS1 on the IDE device 71 * @param pio_mode PIO mode to set (0-6) 72 */ 73extern void cvmx_compactflash_set_piomode(int cs0, int cs1, int pio_mode); 74 75#ifdef __cplusplus 76} 77#endif 78#endif /* __CVMX_COMPACTFLASH_H__ */ 79