[deliverable/linux.git] / drivers / ide / ide_arm.c

/*
 * ARM default IDE host driver
 *
 * Copyright (C) 2004 Bartlomiej Zolnierkiewicz
 * Based on code by: Russell King, Ian Molton and Alexander Schulz.
 *
 * May be copied or modified under the terms of the GNU General Public License.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/ide.h>

#include <asm/irq.h>

#define DRV_NAME "ide_arm"

#ifdef CONFIG_ARCH_CLPS7500
# include <mach/hardware.h>
#
# define IDE_ARM_IO	(ISASLOT_IO + 0x1f0)
# define IDE_ARM_IRQ	IRQ_ISA_14
#else
# define IDE_ARM_IO	0x1f0
# define IDE_ARM_IRQ	IRQ_HARDDISK
#endif

static int __init ide_arm_init(void)
{
	unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206;
	hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };

	if (!request_region(base, 8, DRV_NAME)) {
		printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
				DRV_NAME, base, base + 7);
		return -EBUSY;
	}

	if (!request_region(ctl, 1, DRV_NAME)) {
		printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
				DRV_NAME, ctl);
		release_region(base, 8);
		return -EBUSY;
	}

	memset(&hw, 0, sizeof(hw));
	ide_std_init_ports(&hw, base, ctl);
	hw.irq = IDE_ARM_IRQ;
	hw.chipset = ide_generic;

	return ide_host_add(NULL, hws, NULL);
}

module_init(ide_arm_init);

MODULE_LICENSE("GPL");
Commit	Line	Data
1da177e4	1	/*
99eb8a55	2	* ARM default IDE host driver
1da177e4 LT	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
1da177e4 LT	14	#include <asm/irq.h>
1da177e4 LT	15
2305d943 BZ	16	#define DRV_NAME "ide_arm"
2305d943 BZ	17
1da177e4	18	#ifdef CONFIG_ARCH_CLPS7500
a09e64fb	19	# include <mach/hardware.h>
1da177e4 LT	20	#
	21	# define IDE_ARM_IO (ISASLOT_IO + 0x1f0)
	22	# define IDE_ARM_IRQ IRQ_ISA_14
	23	#else
	24	# define IDE_ARM_IO 0x1f0
	25	# define IDE_ARM_IRQ IRQ_HARDDISK
	26	#endif
	27
ade2daf9	28	static int __init ide_arm_init(void)
1da177e4	29	{
2305d943	30	unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206;
c97c6aca	31	hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
1da177e4	32
2305d943 BZ	33	if (!request_region(base, 8, DRV_NAME)) {
	34	printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
	35	DRV_NAME, base, base + 7);
	36	return -EBUSY;
	37	}
	38
	39	if (!request_region(ctl, 1, DRV_NAME)) {
	40	printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
	41	DRV_NAME, ctl);
	42	release_region(base, 8);
	43	return -EBUSY;
	44	}
	45
99eb8a55	46	memset(&hw, 0, sizeof(hw));
2305d943	47	ide_std_init_ports(&hw, base, ctl);
99eb8a55	48	hw.irq = IDE_ARM_IRQ;
d427e836	49	hw.chipset = ide_generic;
cbb010c1	50
6f904d01	51	return ide_host_add(NULL, hws, NULL);
1da177e4	52	}
ade2daf9 BZ	53
ade2daf9 BZ	54	module_init(ide_arm_init);
57ad3ea0 AB	55
57ad3ea0 AB	56	MODULE_LICENSE("GPL");