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/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * SGI IP27 specific setup.
 *
 * Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc.
 * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
 */
#ifndef _ASM_SN_SN0_ARCH_H
#define _ASM_SN_SN0_ARCH_H
 
#include <linux/config.h>
 
#ifndef SABLE
 
#ifndef SN0XXL  /* 128 cpu SMP max */
/*
 * This is the maximum number of nodes that can be part of a kernel.
 * Effectively, it's the maximum number of compact node ids (cnodeid_t).
 */
#define MAX_COMPACT_NODES       64
 
/*
 * MAXCPUS refers to the maximum number of CPUs in a single kernel.
 * This is not necessarily the same as MAXNODES * CPUS_PER_NODE
 */
#define MAXCPUS                 128
 
#else /* SN0XXL system */
 
#define MAX_COMPACT_NODES       128
#define MAXCPUS                 256
 
#endif /* SN0XXL */
 
/*
 * This is the maximum number of NASIDS that can be present in a system.
 * (Highest NASID plus one.)
 */
#define MAX_NASIDS              256
 
/*
 * MAX_REGIONS refers to the maximum number of hardware partitioned regions.
 */
#define MAX_REGIONS             64
#define MAX_NONPREMIUM_REGIONS  16
#define MAX_PREMIUM_REGIONS     MAX_REGIONS
 
/*
 * MAX_PARITIONS refers to the maximum number of logically defined
 * partitions the system can support.
 */
#define MAX_PARTITIONS          MAX_REGIONS
 
 
#else
 
#define MAX_COMPACT_NODES       4
#define MAX_NASIDS              4
#define MAXCPUS                 8
 
#endif
 
#define NASID_MASK_BYTES        ((MAX_NASIDS + 7) / 8)
 
/*
 * Slot constants for SN0
 */
#ifdef CONFIG_SGI_SN0_N_MODE
#define MAX_MEM_SLOTS   16                      /* max slots per node */
#else /* !CONFIG_SGI_SN0_N_MODE, assume M_MODE */
#define MAX_MEM_SLOTS   32                      /* max slots per node */
#endif /* defined(N_MODE) */
 
#if SABLE_RTL
#define SLOT_SHIFT              (28)
#define SLOT_MIN_MEM_SIZE       (16*1024*1024)
#else
#define SLOT_SHIFT              (27)
#define SLOT_MIN_MEM_SIZE       (32*1024*1024)
#endif
 
#endif /* _ASM_SN_SN0_ARCH_H */

Line No.	Rev	Author	Line
1	1275	phoenix	`/*`
2			`* This file is subject to the terms and conditions of the GNU General Public`
3			`* License. See the file "COPYING" in the main directory of this archive`
4			`* for more details.`
5			`*`
6			`* SGI IP27 specific setup.`
7			`*`
8			`* Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc.`
9			`* Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)`
10			`*/`
11			`#ifndef _ASM_SN_SN0_ARCH_H`
12			`#define _ASM_SN_SN0_ARCH_H`
13
14			`#include <linux/config.h>`
15
16			`#ifndef SABLE`
17
18			`#ifndef SN0XXL /* 128 cpu SMP max */`
19			`/*`
20			`* This is the maximum number of nodes that can be part of a kernel.`
21			`* Effectively, it's the maximum number of compact node ids (cnodeid_t).`
22			`*/`
23			`#define MAX_COMPACT_NODES 64`
24
25			`/*`
26			`* MAXCPUS refers to the maximum number of CPUs in a single kernel.`
27			`* This is not necessarily the same as MAXNODES * CPUS_PER_NODE`
28			`*/`
29			`#define MAXCPUS 128`
30
31			`#else /* SN0XXL system */`
32
33			`#define MAX_COMPACT_NODES 128`
34			`#define MAXCPUS 256`
35
36			`#endif /* SN0XXL */`
37
38			`/*`
39			`* This is the maximum number of NASIDS that can be present in a system.`
40			`* (Highest NASID plus one.)`
41			`*/`
42			`#define MAX_NASIDS 256`
43
44			`/*`
45			`* MAX_REGIONS refers to the maximum number of hardware partitioned regions.`
46			`*/`
47			`#define MAX_REGIONS 64`
48			`#define MAX_NONPREMIUM_REGIONS 16`
49			`#define MAX_PREMIUM_REGIONS MAX_REGIONS`
50
51			`/*`
52			`* MAX_PARITIONS refers to the maximum number of logically defined`
53			`* partitions the system can support.`
54			`*/`
55			`#define MAX_PARTITIONS MAX_REGIONS`
56
57
58			`#else`
59
60			`#define MAX_COMPACT_NODES 4`
61			`#define MAX_NASIDS 4`
62			`#define MAXCPUS 8`
63
64			`#endif`
65
66			`#define NASID_MASK_BYTES ((MAX_NASIDS + 7) / 8)`
67
68			`/*`
69			`* Slot constants for SN0`
70			`*/`
71			`#ifdef CONFIG_SGI_SN0_N_MODE`
72			`#define MAX_MEM_SLOTS 16 /* max slots per node */`
73			`#else /* !CONFIG_SGI_SN0_N_MODE, assume M_MODE */`
74			`#define MAX_MEM_SLOTS 32 /* max slots per node */`
75			`#endif /* defined(N_MODE) */`
76
77			`#if SABLE_RTL`
78			`#define SLOT_SHIFT (28)`
79			`#define SLOT_MIN_MEM_SIZE (1610241024)`
80			`#else`
81			`#define SLOT_SHIFT (27)`
82			`#define SLOT_MIN_MEM_SIZE (3210241024)`
83			`#endif`
84
85			`#endif /* _ASM_SN_SN0_ARCH_H */`

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-mips64/] [sn/] [sn0/] [arch.h] - Blame information for rev 1275