From: santosh.shilimkar@ti•com (Santosh Shilimkar)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 2/3] ARM: keystone: Enable SMP support on Keystone machines
Date: Tue, 11 Jun 2013 09:34:51 -0400 [thread overview]
Message-ID: <51B7277B.3080107@ti.com> (raw)
In-Reply-To: <CANuQgHGKqnU1itAQBqjS2xY+JHz0SNPJ6rM2ZfMV8tO32f0Qnw@mail.gmail.com>
On Tuesday 11 June 2013 01:16 AM, Chander Kashyap wrote:
> 2013/6/11 Santosh Shilimkar <santosh.shilimkar@ti•com>:
>> Add basic SMP support for Keystone machines. This does not
>> include support for CPU hotplug for now.
>>
>> Cc: Olof Johansson <olof@lixom•net>
>> Cc: Arnd Bergmann <arnd@arndb•de>
>> Cc: arm at kernel.org
>>
>> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti•com>
>> ---
[..]
>> diff --git a/arch/arm/mach-keystone/platsmp.c b/arch/arm/mach-keystone/platsmp.c
>> new file mode 100644
>> index 0000000..3071dda
>> --- /dev/null
>> +++ b/arch/arm/mach-keystone/platsmp.c
>> @@ -0,0 +1,67 @@
>> +/*
>> + * Keystone SOC SMP platform code
>> + *
>> + * Copyright 2013 Texas Instruments, Inc.
>> + * Cyril Chemparathy <cyril@ti•com>
>> + * Santosh Shilimkar <santosh.shillimkar@ti•com>
>> + *
>> + * Based on platsmp.c, Copyright (C) 2002 ARM Ltd.
>> + *
>> + * This program is free software; you can redistribute it and/or modify it
>> + * under the terms and conditions of the GNU General Public License,
>> + * version 2, as published by the Free Software Foundation.
>> + */
>> +
>> +#include <linux/init.h>
>> +#include <linux/smp.h>
>> +#include <linux/io.h>
>> +
>> +#include <asm/smp_plat.h>
>> +
>> +#include "keystone.h"
>> +
>> +static void __init keystone_smp_init_cpus(void)
>> +{
>> + unsigned int i, ncores;
>> +
>> + ncores = 4;
> This hardcoding can be done away, if cpu nodes are passed through DT.
> Also set set_cpu_possible will be done by "arm_dt_init_cpu_maps" in devtree.c
>
Thanks. Will have a look at it.
Regards,
Santosh
next prev parent reply other threads:[~2013-06-11 13:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-10 19:55 [PATCH 0/3] ARM: Add minimal support for TI Keystone SOCs Santosh Shilimkar
2013-06-10 19:55 ` [PATCH 1/3] ARM: keystone: Add minimal TI Keystone platform support Santosh Shilimkar
2013-06-11 19:27 ` Arnd Bergmann
2013-06-11 20:10 ` Santosh Shilimkar
2013-06-11 20:24 ` Arnd Bergmann
2013-06-11 20:56 ` Santosh Shilimkar
2013-06-12 19:30 ` Santosh Shilimkar
2013-06-10 19:55 ` [PATCH 2/3] ARM: keystone: Enable SMP support on Keystone machines Santosh Shilimkar
2013-06-11 5:16 ` Chander Kashyap
2013-06-11 13:34 ` Santosh Shilimkar [this message]
2013-06-11 14:54 ` Santosh Shilimkar
2013-06-10 19:55 ` [PATCH 3/3] ARM: dts: keystone: Add minimal Keystone SOC device tree data Santosh Shilimkar
2013-06-11 9:38 ` Mark Rutland
2013-06-11 13:40 ` Santosh Shilimkar
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