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/* $OpenBSD: isabrreg.h,v 1.1 2007/01/06 20:17:43 miod Exp $ */
/*
* Copyright (c) 2007 Miodrag Vallat.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice, this permission notice, and the disclaimer below
* appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Models 4xx ISA slot memory spaces
*/
#define ISABR_IOMEM_BASE (0x30000000 + IOM_BEGIN)
#define ISABR_IOMEM_END (0x30000000 + IOM_END)
#define ISABR_IOPORT_BASE 0x30000000
#define ISABR_IOPORT_END 0x30080000
/*
* Ye mighty logic by which ports are interleaved.
* The actual scheme is more complex, to allow ports over 0x400 to be mapped
* in bits 3-11 of the address. But we don't support the multi-slot EISA
* bridges yet.
*/
#define ISABR_IOPORT_LINE 0x08
#define ISAADDR(p) \
((((p) & ~(ISABR_IOPORT_LINE - 1)) << 9) | ((p) & (ISABR_IOPORT_LINE - 1)))
#define ISAPORT(a) \
((((a) >> 9) & ~(ISABR_IOPORT_LINE - 1)) | ((a) & (ISABR_IOPORT_LINE - 1)))
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