NetBSD/sys/arch/arm32/podulebus/icsidereg.h

54 lines
2.2 KiB
C

/* $NetBSD: icsidereg.h,v 1.2 1997/03/15 18:09:35 is Exp $ */
/*
* Copyright (c) 1997 Mark Brinicombe
* Copyright (c) 1997 Causality Limited
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Brinicombe.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Registers and address offsets for the ICS IDE card.
*/
/* IDE drive registers */
#define DRIVE_REGISTERS_OFFSET 0x2800
#define DRIVE_REGISTER_SPACING 64 /* Bytes */
#define DRIVE_REGISTER_SPACE 0x200
#define AUX_STATUS_REGISTER_OFFSET 0x2a80
/* Other registers */
#define ROM_PAGING_REGISTER_OFFSET 0x0000
#define IRQ_STATUS_REGISTER_OFFSET 0x0000
#define IRQ_STATUS_REGISTER_MASK 0x01
/* Write to enable, Read to disable */
#define IRQ_ENABLE_REGISTER_OFFSET 0x1004