//==========================================================================
//
//      plf_ide.c
//
//      HAL platform IDE support function
//
//==========================================================================
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//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    ysato
// Contributors: ysato
// Date:         2003-02-28
// Purpose:      HAL IDE support function
// Description:  This file contains IDE support functions provided by the
//               HAL.
//
//####DESCRIPTIONEND####
//
//========================================================================*/

#include <pkgconf/hal.h>

#include <cyg/infra/cyg_type.h>         // Base types

#include <cyg/hal/hal_arch.h>           // architectural definitions
#include <cyg/hal/hal_io.h>
#include <cyg/hal/hal_if.h>
#include <cyg/hal/hal_endian.h>
#include <cyg/hal/plf_intr.h>
#include <cyg/hal/var_arch.h>

/*------------------------------------------------------------------------*/

#if CYGINT_HAL_PLF_IF_IDE != 0

#define IDE_REG_FEATUERS 1
#define IDE_REG_COMMAND  7

int aki3068net_ide_setup(void)
{
#if CYGHWR_HAL_IDE_BUSWIDTH == 8
    aki3068net_write_command(IDE_REG_FEATUERS,0x01); /* 8bit transfer mode */
    aki3068net_write_command(IDE_REG_COMMAND, 0xef); /* set featuers */
#endif
    return HAL_IDE_NUM_CONTROLLERS;
}

void aki3068net_read_command(cyg_uint16 r, cyg_uint8 *d)
{
#if CYGHWR_HAL_IDE_BUSWIDTH == 8
    *d = *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_REGISTER + r);
#else
    *d = *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_REGISTER + (r << 1) + 1);
#endif
}

void aki3068net_read_data   (cyg_uint16 r, cyg_uint16 *d)
{
#if CYGHWR_HAL_IDE_BUSWIDTH == 8
    *d = *(volatile cyg_uint16 *)(CYGHWR_HAL_IDE_REGISTER + r);
#else
    cyg_uint16 dt;
    dt = *(volatile cyg_uint16 *)(CYGHWR_HAL_IDE_REGISTER + (r << 1));
    *d = CYG_LE16_TO_CPU(dt);
#endif
}

void aki3068net_read_control(cyg_uint8 *d)
{
#if CYGHWR_HAL_IDE_BUSWIDTH == 8
    *d = *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_ALT_REGS + 6);
#else
    *d = *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_ALT_REGS + 12 + 1);
#endif
}

void aki3068net_write_command(cyg_uint16 r, cyg_uint8 d)
{
#if CYGHWR_HAL_IDE_BUSWIDTH == 8
    *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_REGISTER + r) = d;
#else
    *(volatile cyg_uint16 *)(CYGHWR_HAL_IDE_REGISTER + (r << 1)) = d;
#endif
}

void aki3068net_write_data   (cyg_uint16 r, cyg_uint16 d)
{
#if CYGHWR_HAL_IDE_BUSWIDTH == 8
    *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_REGISTER + r) = d;
#else
    *(volatile CYG_WORD16 *)(CYGHWR_HAL_IDE_REGISTER + (r <<1)) = CYG_CPU_TO_LE16(d);
#endif
}

void aki3068net_write_control(cyg_uint8 d)
{
#if CYGHWR_HAL_IDE_BUSWIDTH == 8
    *(volatile cyg_uint8 *)(CYGHWR_HAL_IDE_ALT_REGS + 6) = d;
#else
    *(volatile cyg_uint16 *)(CYGHWR_HAL_IDE_ALT_REGS + 12) = d;
#endif
}

#endif //CYGINT_HAL_PLF_IF_IDE != 0
/*------------------------------------------------------------------------*/
/* End of plf_ide.c                                                       */
