tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * ARM default IDE host driver
3 *
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
14#include <asm/irq.h>
15
16#define DRV_NAME "ide_arm"
17
18#define IDE_ARM_IO 0x1f0
19#define IDE_ARM_IRQ IRQ_HARDDISK
20
21static int __init ide_arm_init(void)
22{
23 unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206;
24 hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
25
26 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
39 memset(&hw, 0, sizeof(hw));
40 ide_std_init_ports(&hw, base, ctl);
41 hw.irq = IDE_ARM_IRQ;
42 hw.chipset = ide_generic;
43
44 return ide_host_add(NULL, hws, NULL);
45}
46
47module_init(ide_arm_init);
48
49MODULE_LICENSE("GPL");