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/*

 *  linux/include/asm-arm/arch-rpc/ide.h

 *

 *  Copyright (C) 1997 Russell King

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 *  Modifications:

 *   29-07-1998 RMK     Major re-work of IDE architecture specific code

 */

#include <asm/irq.h>

/*

 * Set up a hw structure for a specified data port, control port and IRQ.

 * This should follow whatever the default interface uses.

 */

static __inline__ void

ide_init_hwif_ports(hw_regs_t *hw, int data_port, int ctrl_port, int *irq)

{

        ide_ioreg_t reg = (ide_ioreg_t) data_port;

        int i;

        memset(hw, 0, sizeof(*hw));

        for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {

                hw->io_ports[i] = reg;

                reg += 1;

        }

        hw->io_ports[IDE_CONTROL_OFFSET] = (ide_ioreg_t) ctrl_port;

        if (irq)

                *irq = 0;

}

/*

 * This registers the standard ports for this architecture with the IDE

 * driver.

 */

static __inline__ void

ide_init_default_hwifs(void)

{

        hw_regs_t hw;

        ide_init_hwif_ports(&hw, 0x1f0, 0x3f6, NULL);

        hw.irq = IRQ_HARDDISK;

        ide_register_hw(&hw, NULL);

}