1 /*
2  * Copyright (c) 2003-2012 Broadcom Corporation
3  * All Rights Reserved
4  *
5  * This software is available to you under a choice of one of two
6  * licenses.  You may choose to be licensed under the terms of the GNU
7  * General Public License (GPL) Version 2, available from the file
8  * COPYING in the main directory of this source tree, or the Broadcom
9  * license below:
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  *
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
19  *    the documentation and/or other materials provided with the
20  *    distribution.
21  *
22  * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
29  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
31  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
32  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #ifndef _NETLOGIC_MULTI_NODE_H_
36 #define _NETLOGIC_MULTI_NODE_H_
37 
38 #ifndef CONFIG_NLM_MULTINODE
39 #define NLM_NR_NODES		1
40 #else
41 #if defined(CONFIG_NLM_MULTINODE_2)
42 #define NLM_NR_NODES		2
43 #elif defined(CONFIG_NLM_MULTINODE_4)
44 #define NLM_NR_NODES		4
45 #else
46 #define NLM_NR_NODES		1
47 #endif
48 #endif
49 
50 #define NLM_THREADS_PER_CORE	4
51 
52 struct nlm_soc_info {
53 	unsigned long	coremask;	/* cores enabled on the soc */
54 	unsigned long	ebase;		/* not used now */
55 	uint64_t	irqmask;	/* EIMR for the node */
56 	uint64_t	sysbase;	/* only for XLP - sys block base */
57 	uint64_t	picbase;	/* PIC block base */
58 	spinlock_t	piclock;	/* lock for PIC access */
59 	cpumask_t	cpumask;	/* logical cpu mask for node */
60 	unsigned int	socbus;
61 };
62 
63 extern struct nlm_soc_info nlm_nodes[NLM_NR_NODES];
64 #define nlm_get_node(i)		(&nlm_nodes[i])
65 #define nlm_node_present(n)	((n) >= 0 && (n) < NLM_NR_NODES && \
66 					nlm_get_node(n)->coremask != 0)
67 #ifdef CONFIG_CPU_XLR
68 #define nlm_current_node()	(&nlm_nodes[0])
69 #else
70 #define nlm_current_node()	(&nlm_nodes[nlm_nodeid()])
71 #endif
72 void nlm_node_init(int node);
73 
74 #endif
75