57 строки
1.2 KiB
C
57 строки
1.2 KiB
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");
|