platsmp.c
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/*
* SMP support for R-Mobile / SH-Mobile
*
* Copyright (C) 2010 Magnus Damm
* Copyright (C) 2011 Paul Mundt
*
* Based on vexpress, Copyright (C) 2002 ARM Ltd, All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <asm/cacheflush.h>
#include <asm/smp_plat.h>
#include <mach/common.h>
extern unsigned long shmobile_smp_fn[];
extern unsigned long shmobile_smp_arg[];
extern unsigned long shmobile_smp_mpidr[];
void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg)
{
shmobile_smp_fn[cpu] = 0;
flush_cache_all();
shmobile_smp_mpidr[cpu] = cpu_logical_map(cpu);
shmobile_smp_fn[cpu] = fn;
shmobile_smp_arg[cpu] = arg;
flush_cache_all();
}
#ifdef CONFIG_HOTPLUG_CPU
int shmobile_smp_cpu_disable(unsigned int cpu)
{
return 0; /* Hotplug of any CPU is supported */
}
#endif