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author | Jayachandran C <jchandra@broadcom.com> | 2012-10-31 12:01:40 +0000 |
---|---|---|
committer | John Crispin <blogic@openwrt.org> | 2012-11-09 11:37:20 +0100 |
commit | bb1e4bc5cdc9dce7680317a4ebf87a12fc8c6a13 (patch) | |
tree | a02d2d4960ea76db3a2411b2383efde69cf83bef /arch/mips/include | |
parent | 77ae798f5b736dfdc692b86b393d9699052ac77a (diff) | |
download | linux-bb1e4bc5cdc9dce7680317a4ebf87a12fc8c6a13.tar.gz linux-bb1e4bc5cdc9dce7680317a4ebf87a12fc8c6a13.tar.bz2 linux-bb1e4bc5cdc9dce7680317a4ebf87a12fc8c6a13.zip |
MIPS: Netlogic: Make number of nodes configurable
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>
Diffstat (limited to 'arch/mips/include')
-rw-r--r-- | arch/mips/include/asm/mach-netlogic/irq.h | 4 | ||||
-rw-r--r-- | arch/mips/include/asm/mach-netlogic/multi-node.h | 54 | ||||
-rw-r--r-- | arch/mips/include/asm/netlogic/common.h | 9 |
3 files changed, 62 insertions, 5 deletions
diff --git a/arch/mips/include/asm/mach-netlogic/irq.h b/arch/mips/include/asm/mach-netlogic/irq.h index b5902458e7c1..868ed8a2ed5c 100644 --- a/arch/mips/include/asm/mach-netlogic/irq.h +++ b/arch/mips/include/asm/mach-netlogic/irq.h @@ -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 */ diff --git a/arch/mips/include/asm/mach-netlogic/multi-node.h b/arch/mips/include/asm/mach-netlogic/multi-node.h new file mode 100644 index 000000000000..d62fc773f4d7 --- /dev/null +++ b/arch/mips/include/asm/mach-netlogic/multi-node.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * 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, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * 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 diff --git a/arch/mips/include/asm/netlogic/common.h b/arch/mips/include/asm/netlogic/common.h index 2eb39fa02586..3c6814eb612b 100644 --- a/arch/mips/include/asm/netlogic/common.h +++ b/arch/mips/include/asm/netlogic/common.h @@ -48,6 +48,7 @@ #include <linux/cpumask.h> #include <linux/spinlock.h> #include <asm/irq.h> +#include <asm/mach-netlogic/multi-node.h> struct irq_desc; void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc); @@ -86,12 +87,12 @@ struct nlm_soc_info { spinlock_t piclock; }; -#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) #define nlm_get_node(i) (&nlm_nodes[i]) -#define NLM_NR_NODES 1 +#ifdef CONFIG_CPU_XLR #define nlm_current_node() (&nlm_nodes[0]) +#else +#define nlm_current_node() (&nlm_nodes[nlm_nodeid()]) +#endif struct irq_data; uint64_t nlm_pci_irqmask(int node); |