arch/mips/include/asm/mach-netlogic/multi-node.h

   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 #ifdef CONFIG_CPU_XLR
  52 #define nlm_cores_per_node()    8
  53 #else
  54 extern unsigned int xlp_cores_per_node;
  55 #define nlm_cores_per_node()    xlp_cores_per_node
  56 #endif
  57
  58 #define nlm_threads_per_node()  (nlm_cores_per_node() * NLM_THREADS_PER_CORE)
  59 #define nlm_cpuid_to_node(c)    ((c) / nlm_threads_per_node())
  60
  61 struct nlm_soc_info {
  62         unsigned long   coremask;       /* cores enabled on the soc */
  63         unsigned long   ebase;          /* not used now */
  64         uint64_t        irqmask;        /* EIMR for the node */
  65         uint64_t        sysbase;        /* only for XLP - sys block base */
  66         uint64_t        picbase;        /* PIC block base */
  67         spinlock_t      piclock;        /* lock for PIC access */
  68         cpumask_t       cpumask;        /* logical cpu mask for node */
  69         unsigned int    socbus;
  70 };
  71
  72 extern struct nlm_soc_info nlm_nodes[NLM_NR_NODES];
  73 #define nlm_get_node(i)         (&nlm_nodes[i])
  74 #define nlm_node_present(n)     ((n) >= 0 && (n) < NLM_NR_NODES && \
  75                                         nlm_get_node(n)->coremask != 0)
  76 #ifdef CONFIG_CPU_XLR
  77 #define nlm_current_node()      (&nlm_nodes[0])
  78 #else
  79 #define nlm_current_node()      (&nlm_nodes[nlm_nodeid()])
  80 #endif
  81 void nlm_node_init(int node);
  82
  83 #endif