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bast-ide.c

/* linux/drivers/ide/arm/bast-ide.c
 *
 * Copyright (c) 2003-2004 Simtec Electronics
 *  Ben Dooks <ben@simtec.co.uk>
 *
 * 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.
 *
*/

#include <linux/module.h>
#include <linux/errno.h>
#include <linux/ide.h>
#include <linux/init.h>

#include <asm/mach-types.h>

#include <asm/io.h>
#include <asm/irq.h>
#include <asm/arch/map.h>
#include <asm/arch/bast-map.h>
#include <asm/arch/bast-irq.h>

/* list of registered interfaces */
static ide_hwif_t *ifs[2];

static int __init
bastide_register(unsigned int base, unsigned int aux, int irq,
             ide_hwif_t **hwif)
{
      hw_regs_t hw;
      int i;

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

      base += BAST_IDE_CS;
      aux  += BAST_IDE_CS;

      for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
            hw.io_ports[i] = (unsigned long)base;
            base += 0x20;
      }

      hw.io_ports[IDE_CONTROL_OFFSET] = aux + (6 * 0x20);
      hw.irq = irq;

      ide_register_hw(&hw, NULL, 0, hwif);

      return 0;
}

static int __init bastide_init(void)
{
      /* we can treat the VR1000 and the BAST the same */

      if (!(machine_is_bast() || machine_is_vr1000()))
            return 0;

      printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n");

      bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0, &ifs[0]);
      bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1, &ifs[1]);
      return 0;
}

module_init(bastide_init);

MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Simtec BAST / Thorcom VR1000 IDE driver");

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