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/*

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

 *

 * Copyright (c) 2002 ARM Limited.

 * Copyright (c) 2000 Steve Hill (sjhill@cotw.com)

 *

 * Changelog:

 *  03-29-2000  SJH     Created file placeholder

 */

#include <linux/config.h>

#include <asm/irq.h>

#include <asm/system.h>

#include <asm/arch/hardware.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;

        int i;

        int regincr = 1;

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

        reg = (ide_ioreg_t)data_port;

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

                hw->io_ports[i] = reg;

                /* Special location in nCS2 for data register, as

                 * we need to be able to do 16-bit r/w.

                 */

                if(i == IDE_DATA_OFFSET)

                        hw->io_ports[i] = reg + 0x04000000;

                reg += regincr;

        }

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

        if(irq)

                *irq = 1;

}

/*

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

 * driver.

 */

static __inline__ void

ide_init_default_hwifs(void)

{

        hw_regs_t hw;

        /* init the interface */

        ide_init_hwif_ports(&hw, IO_ADDRESS(0x01C00000), IO_ADDRESS(0x01C00006), NULL);

        hw.irq = 1;     // pld irq really

        ide_register_hw(&hw, NULL);

}