34a92d6f82
read appear to be aliased in the address space, writes are not thus the correct address is important in order to reset drives.
90 lines
3.3 KiB
C
90 lines
3.3 KiB
C
/* $NetBSD: rapidereg.h,v 1.4 1999/03/22 10:14:12 mark Exp $ */
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/*
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* Copyright (c) 1997 Mark Brinicombe
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* Copyright (c) 1997 Causality Limited
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Mark Brinicombe
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Thanks to Chris Honey at Raymond Datalink for providing information on
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* addressing the RapIDE podule.
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* RapIDE32 is Copyright (C) 1995,1996 Raymond Datalink. RapIDE32 is
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* manufactured under license by Yellowstone Educational Solutions.
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*/
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/*
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* Registers and address offsets for the Yellowstone RapIDE card.
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*
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* These are for issue 2 cards only.
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*/
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/*
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* This file needs to be extended to provide register information on
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* both versions of the card.
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*/
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/* IDE drive registers */
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#define PRIMARY_DRIVE_REGISTERS_OFFSET 0x400080
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#define PRIMARY_AUX_REGISTER_OFFSET 0x400298
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#define PRIMARY_DATA_REGISTER_OFFSET 0x600080
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#define SECONDARY_DRIVE_REGISTERS_OFFSET 0x400000
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#define SECONDARY_AUX_REGISTER_OFFSET 0x400218
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#define SECONDARY_DATA_REGISTER_OFFSET 0x600000
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#define DRIVE_REGISTERS_SPACE 0x20
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#define DRIVE_REGISTER_BYTE_SPACING 4
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/* Other registers */
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#define CONTROL_REGISTERS_OFFSET 0x200000
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#define CONTROL_REGISTER_SPACE 16
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#define IRQ_MASK_REGISTER_OFFSET 0
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#define IRQ_STATUS_REGISTER_OFFSET 0
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#define IRQ_REQUEST_REGISTER_OFFSET 1
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#define IRQ_REQUEST_REGISTER_BYTE_OFFSET (IRQ_REQUEST_REGISTER_OFFSET << 2)
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#define IRQ_CLEAR_REGISTER_OFFSET 1
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#define PRIMARY_IRQ_MASK 0x01
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#define SECONDARY_IRQ_MASK 0x02
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#define IRQ_MASK (PRIMARY_IRQ_MASK | SECONDARY_IRQ_MASK)
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#define VERSION_REGISTER_OFFSET 3
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#define VERSION_REGISTER_MASK 0x03
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#define VERSION_1_ID 0x00
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#define VERSION_2_ID 0x01
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#define PIO_MODE_CONTROL_REGISTER_OFFSET 3
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#define PIO_MODE_0 0
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#define PIO_MODE_1 1
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#define PIO_MODE_2 2
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#define PIO_MODE_3 3
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#define PIO_MODE_4 4
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