xref: /netbsd/sys/arch/cobalt/include/param.h (revision bf9ec67e)
1 /*	$NetBSD: param.h,v 1.7 2002/02/26 15:13:21 simonb Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 University of Utah.
5  * Copyright (c) 1992, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * the Systems Programming Group of the University of Utah Computer
10  * Science Department and Ralph Campbell.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *	This product includes software developed by the University of
23  *	California, Berkeley and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  */
40 
41 #include <mips/mips_param.h>
42 
43 #define	_MACHINE_ARCH	mipsel
44 #define	MACHINE_ARCH	"mipsel"
45 #define	_MACHINE	cobalt
46 #define	MACHINE		"cobalt"
47 #define	MID_MACHINE	MID_MIPS
48 
49 #define	DEV_BSIZE	512
50 #define	DEV_BSHIFT	9		/* log2(DEV_BSIZE) */
51 #define BLKDEV_IOSIZE	2048
52 #define	MAXPHYS		(64 * 1024)	/* Maximum raw I/O transfer size */
53 
54 /*
55  * Constants related to network buffer management.
56  * MCLBYTES must be no larger than NBPG (the software page size), and,
57  * on machines that exchange pages of input or output buffers with mbuf
58  * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
59  * of the hardware page size.
60  */
61 #define	MSIZE		256		/* size of an mbuf */
62 
63 #ifndef MCLSHIFT
64 #define	MCLSHIFT	11		/* convert bytes to m_buf clusters */
65 					/* 2K cluster can hold Ether frame */
66 #endif	/* MCLSHIFT */
67 
68 #define	MCLBYTES	(1 << MCLSHIFT)	/* size of a m_buf cluster */
69 
70 #ifndef NMBCLUSTERS
71 #if defined(_KERNEL_OPT)
72 #include "opt_gateway.h"
73 #endif
74 
75 #ifdef GATEWAY
76 #define	NMBCLUSTERS	2048		/* Map size, max cluster allocation */
77 #else
78 #define	NMBCLUSTERS	1024		/* Map size, max cluster allocation */
79 #endif
80 #endif
81 
82 #ifdef _KERNEL
83 #ifndef _LOCORE
84 
85 __inline extern void	delay(unsigned long);
86 #define DELAY(n)	delay(n)
87 
88 #include <machine/intr.h>
89 
90 #endif	/* _LOCORE */
91 #endif	/* _KERNEL */
92