OpenCloudOS-Kernel/drivers/ide/arm/ide_arm.c

51 lines
1020 B
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/mach-types.h>
#include <asm/irq.h>
#ifdef CONFIG_ARCH_CLPS7500
# include <asm/arch/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)
{
ide_hwif_t *hwif;
hw_regs_t hw;
u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
memset(&hw, 0, sizeof(hw));
ide_std_init_ports(&hw, IDE_ARM_IO, IDE_ARM_IO + 0x206);
hw.irq = IDE_ARM_IRQ;
hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
if (hwif) {
ide_init_port_hw(hwif, &hw);
idx[0] = hwif->index;
ide_device_add(idx, NULL);
}
return 0;
}
module_init(ide_arm_init);
MODULE_LICENSE("GPL");