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MIPS: Netlogic: Make number of nodes configurable

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There can be 1, 2 or 4 SoCs(nodes) in a multi-chip XLP board. Add an
option for multi-chip boards in case of XLP, and make the number of
nodes configurable.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Patchwork: http://patchwork.linux-mips.org/patch/4470
Signed-off-by: John Crispin <blogic@openwrt.org>
This commit is contained in:
Jayachandran C
2012-10-31 12:01:40 +00:00
committed by John Crispin
parent 77ae798f5b
commit bb1e4bc5cd
4 changed files with 90 additions and 5 deletions
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4
arch/mips/include/asm/mach-netlogic/irq.h
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@@ -8,7 +8,9 @@
#ifndef __ASM_NETLOGIC_IRQ_H
#define __ASM_NETLOGIC_IRQ_H
#define NR_IRQS 64
#include <asm/mach-netlogic/multi-node.h>
#define NR_IRQS (64 * NLM_NR_NODES)
#define MIPS_CPU_IRQ_BASE 0
#endif /* __ASM_NETLOGIC_IRQ_H */

54
arch/mips/include/asm/mach-netlogic/multi-node.h Normal file
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@@ -0,0 +1,54 @@
/*
* Copyright (c) 2003-2012 Broadcom Corporation
* All Rights Reserved
*
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* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the Broadcom
* license below:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _NETLOGIC_MULTI_NODE_H_
#define _NETLOGIC_MULTI_NODE_H_
#ifndef CONFIG_NLM_MULTINODE
#define NLM_NR_NODES 1
#else
#if defined(CONFIG_NLM_MULTINODE_2)
#define NLM_NR_NODES 2
#elif defined(CONFIG_NLM_MULTINODE_4)
#define NLM_NR_NODES 4
#else
#define NLM_NR_NODES 1
#endif
#endif
#define NLM_CORES_PER_NODE 8
#define NLM_THREADS_PER_CORE 4
#define NLM_CPUS_PER_NODE (NLM_CORES_PER_NODE * NLM_THREADS_PER_CORE)
#endif