linux/drivers/ide/arm/bast-ide.c
<<
>>
Prefs
   1/* linux/drivers/ide/arm/bast-ide.c
   2 *
   3 * Copyright (c) 2003-2004 Simtec Electronics
   4 *  Ben Dooks <ben@simtec.co.uk>
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 *
  10*/
  11
  12#include <linux/module.h>
  13#include <linux/errno.h>
  14#include <linux/ide.h>
  15#include <linux/init.h>
  16
  17#include <asm/mach-types.h>
  18
  19#include <asm/io.h>
  20#include <asm/irq.h>
  21#include <asm/arch/map.h>
  22#include <asm/arch/bast-map.h>
  23#include <asm/arch/bast-irq.h>
  24
  25/* list of registered interfaces */
  26static ide_hwif_t *ifs[2];
  27
  28static int __init
  29bastide_register(unsigned int base, unsigned int aux, int irq,
  30                 ide_hwif_t **hwif)
  31{
  32        hw_regs_t hw;
  33        int i;
  34
  35        memset(&hw, 0, sizeof(hw));
  36
  37        base += BAST_IDE_CS;
  38        aux  += BAST_IDE_CS;
  39
  40        for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
  41                hw.io_ports[i] = (unsigned long)base;
  42                base += 0x20;
  43        }
  44
  45        hw.io_ports[IDE_CONTROL_OFFSET] = aux + (6 * 0x20);
  46        hw.irq = irq;
  47
  48        ide_register_hw(&hw, NULL, 0, hwif);
  49
  50        return 0;
  51}
  52
  53static int __init bastide_init(void)
  54{
  55        /* we can treat the VR1000 and the BAST the same */
  56
  57        if (!(machine_is_bast() || machine_is_vr1000()))
  58                return 0;
  59
  60        printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n");
  61
  62        bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0, &ifs[0]);
  63        bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1, &ifs[1]);
  64        return 0;
  65}
  66
  67module_init(bastide_init);
  68
  69MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
  70MODULE_LICENSE("GPL");
  71MODULE_DESCRIPTION("Simtec BAST / Thorcom VR1000 IDE driver");
  72
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.