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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