Annotation of sys/arch/hp300/dev/isabrreg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: isabrreg.h,v 1.1 2007/01/06 20:17:43 miod Exp $ */
2:
3: /*
4: * Copyright (c) 2007 Miodrag Vallat.
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice, this permission notice, and the disclaimer below
9: * appear in all copies.
10: *
11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18: */
19:
20: /*
21: * Models 4xx ISA slot memory spaces
22: */
23:
24: #define ISABR_IOMEM_BASE (0x30000000 + IOM_BEGIN)
25: #define ISABR_IOMEM_END (0x30000000 + IOM_END)
26:
27: #define ISABR_IOPORT_BASE 0x30000000
28: #define ISABR_IOPORT_END 0x30080000
29:
30: /*
31: * Ye mighty logic by which ports are interleaved.
32: * The actual scheme is more complex, to allow ports over 0x400 to be mapped
33: * in bits 3-11 of the address. But we don't support the multi-slot EISA
34: * bridges yet.
35: */
36: #define ISABR_IOPORT_LINE 0x08
37: #define ISAADDR(p) \
38: ((((p) & ~(ISABR_IOPORT_LINE - 1)) << 9) | ((p) & (ISABR_IOPORT_LINE - 1)))
39: #define ISAPORT(a) \
40: ((((a) >> 9) & ~(ISABR_IOPORT_LINE - 1)) | ((a) & (ISABR_IOPORT_LINE - 1)))
CVSweb