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

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/* $NetBSD: rapidereg.h,v 1.2 1997/03/15 18:09:42 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.
*/
/*
* Thanks to Chris Honey at Raymond Datalink for providing information on
* addressing the RapIDE podule.
* RapIDE32 is Copyright (C) 1995,1996 Raymond Datalink. RapIDE32 is
* manufactured under license by Yellowstone Educational Solutions.
*/
/*
* Registers and address offsets for the Yellowstone RapIDE card.
*
* These are for issue 2 cards only.
*/
/*
* This file needs to be extended to provide register information on
* both versions of the card.
*/
/* IDE drive registers */
#define PRIMARY_DRIVE_REGISTERS_OFFSET 0x400080
#define PRIMARY_AUX_REGISTER_OFFSET 0x400280
#define PRIMARY_DATA_REGISTER_OFFSET 0x600080
#define SECONDARY_DRIVE_REGISTERS_OFFSET 0x400000
#define SECONDARY_AUX_REGISTER_OFFSET 0x400200
#define SECONDARY_DATA_REGISTER_OFFSET 0x600000
#define DRIVE_REGISTERS_SPACE 0x20
#define DRIVE_REGISTER_BYTE_SPACING 4
/* Other registers */
#define CONTROL_REGISTERS_OFFSET 0x200000
#define CONTROL_REGISTER_SPACE 16
#define IRQ_MASK_REGISTER_OFFSET 0
#define IRQ_STATUS_REGISTER_OFFSET 0
#define IRQ_REQUEST_REGISTER_OFFSET 1
#define IRQ_REQUEST_REGISTER_BYTE_OFFSET (IRQ_REQUEST_REGISTER_OFFSET << 2)
#define IRQ_CLEAR_REGISTER_OFFSET 1
#define PRIMARY_IRQ_MASK 0x01
#define SECONDARY_IRQ_MASK 0x02
#define IRQ_MASK (PRIMARY_IRQ_MASK | SECONDARY_IRQ_MASK)
#define VERSION_REGISTER_OFFSET 3
#define VERSION_REGISTER_MASK 0x03
#define VERSION_1_ID 0x00
#define VERSION_2_ID 0x01
#define PIO_MODE_CONTROL_REGISTER_OFFSET 3
#define PIO_MODE_0 0
#define PIO_MODE_1 1
#define PIO_MODE_2 2
#define PIO_MODE_3 3
#define PIO_MODE_4 4