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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Adrian Bunk99eb8a52007-07-31 00:38:19 -07002 * ARM default IDE host driver
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
4 * Copyright (C) 2004 Bartlomiej Zolnierkiewicz
5 * Based on code by: Russell King, Ian Molton and Alexander Schulz.
6 *
7 * May be copied or modified under the terms of the GNU General Public License.
8 */
9
10#include <linux/kernel.h>
11#include <linux/init.h>
12#include <linux/ide.h>
13
Linus Torvalds1da177e2005-04-16 15:20:36 -070014#include <asm/irq.h>
15
Bartlomiej Zolnierkiewicz2305d942008-04-26 22:25:18 +020016#define DRV_NAME "ide_arm"
17
Russell King635f0252008-10-28 09:43:54 +000018#define IDE_ARM_IO 0x1f0
19#define IDE_ARM_IRQ IRQ_HARDDISK
Linus Torvalds1da177e2005-04-16 15:20:36 -070020
Bartlomiej Zolnierkiewiczade2daf2008-01-26 20:13:07 +010021static int __init ide_arm_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070022{
Bartlomiej Zolnierkiewicz2305d942008-04-26 22:25:18 +020023 unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206;
Bartlomiej Zolnierkiewiczc97c6ac2008-07-23 19:55:50 +020024 hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
Linus Torvalds1da177e2005-04-16 15:20:36 -070025
Bartlomiej Zolnierkiewicz2305d942008-04-26 22:25:18 +020026 if (!request_region(base, 8, DRV_NAME)) {
27 printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
28 DRV_NAME, base, base + 7);
29 return -EBUSY;
30 }
31
32 if (!request_region(ctl, 1, DRV_NAME)) {
33 printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
34 DRV_NAME, ctl);
35 release_region(base, 8);
36 return -EBUSY;
37 }
38
Adrian Bunk99eb8a52007-07-31 00:38:19 -070039 memset(&hw, 0, sizeof(hw));
Bartlomiej Zolnierkiewicz2305d942008-04-26 22:25:18 +020040 ide_std_init_ports(&hw, base, ctl);
Adrian Bunk99eb8a52007-07-31 00:38:19 -070041 hw.irq = IDE_ARM_IRQ;
Bartlomiej Zolnierkiewiczd427e832008-06-10 20:56:37 +020042 hw.chipset = ide_generic;
Bartlomiej Zolnierkiewiczcbb010c2008-01-26 20:13:06 +010043
Bartlomiej Zolnierkiewicz6f904d02008-07-23 19:55:57 +020044 return ide_host_add(NULL, hws, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -070045}
Bartlomiej Zolnierkiewiczade2daf2008-01-26 20:13:07 +010046
47module_init(ide_arm_init);
Adrian Bunk57ad3ea02008-04-02 21:22:03 +020048
49MODULE_LICENSE("GPL");