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