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 <linux/smp.h>
#include <asm/hardware/gic.h>

void __init shmobile_smp_init_cpus(unsigned int ncores)
{
    unsigned int i;

    if (ncores > nr_cpu_ids) {
        pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
            ncores, nr_cpu_ids);
        ncores = nr_cpu_ids;
    }

    for (i = 0; i < ncores; i++)
        set_cpu_possible(i, true);

    set_smp_cross_call(gic_raise_softirq);
}