Subversion Repositories or1k_old

#ifndef _LINUX_AMIHDREG_H

#define _LINUX_AMIHDREG_H

/*

 * This file contains some defines for the Amiga IDE hd controller.

 * Various sources. Check out some definitions (see comments with

 * a ques).

 */

#define IDE_DISABLE_IRQ  0x02

#define IDE_ENABLE_IRQ   0x00

/* Bases of the hard drive controller */

#define HD_BASE_A4000   0xdd2020

#define HD_BASE_A1200   0xda0000

/* Offsets from one of the above bases */

#define AMI_HD_ERROR    (0x06)          /* see err-bits */

#define AMI_HD_NSECTOR  (0x0a)          /* nr of sectors to read/write */

#define AMI_HD_SECTOR   (0x0e)          /* starting sector */

#define AMI_HD_LCYL     (0x12)          /* starting cylinder */

#define AMI_HD_HCYL     (0x16)          /* high byte of starting cyl */

#define AMI_HD_SELECT   (0x1a)          /* 101dhhhh , d=drive, hhhh=head */

#define AMI_HD_STATUS   (0x1e)          /* see status-bits */

#define AMI_HD_CMD      (0x101a)

/* These are at different offsets from the base */

#define HD_A4000_IRQ    (0xdd3020)      /* MSB = 1, Harddisk is source of interrupt */

#define HD_A1200_IRQ    (0xda9000)      /* MSB = 1, Harddisk is source of interrupt */

#endif