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Viewing changes to arch/powerpc/platforms/chrp/smp.c

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/powerpc/platforms/chrp/smp.c
 
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/*
 
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 * Smp support for CHRP machines.
 
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 *
 
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 * Written by Cort Dougan (cort@cs.nmt.edu) borrowing a great
 
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 * deal of code from the sparc and intel versions.
 
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 *
 
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 * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
 
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 *
 
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 */
 
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#include <linux/kernel.h>
 
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#include <linux/sched.h>
 
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#include <linux/smp.h>
 
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#include <linux/interrupt.h>
 
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#include <linux/kernel_stat.h>
 
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#include <linux/delay.h>
 
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#include <linux/init.h>
 
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#include <linux/spinlock.h>
 
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#include <asm/ptrace.h>
 
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#include <linux/atomic.h>
 
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#include <asm/irq.h>
 
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#include <asm/page.h>
 
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#include <asm/pgtable.h>
 
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#include <asm/sections.h>
 
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#include <asm/io.h>
 
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#include <asm/prom.h>
 
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#include <asm/smp.h>
 
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#include <asm/machdep.h>
 
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#include <asm/mpic.h>
 
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#include <asm/rtas.h>
 
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static int __devinit smp_chrp_kick_cpu(int nr)
 
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{
 
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        *(unsigned long *)KERNELBASE = nr;
 
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        asm volatile("dcbf 0,%0"::"r"(KERNELBASE):"memory");
 
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        return 0;
 
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}
 
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static void __devinit smp_chrp_setup_cpu(int cpu_nr)
 
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{
 
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        mpic_setup_this_cpu();
 
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}
 
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/* CHRP with openpic */
 
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struct smp_ops_t chrp_smp_ops = {
 
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        .message_pass = smp_mpic_message_pass,
 
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        .probe = smp_mpic_probe,
 
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        .kick_cpu = smp_chrp_kick_cpu,
 
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        .setup_cpu = smp_chrp_setup_cpu,
 
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        .give_timebase = rtas_give_timebase,
 
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        .take_timebase = rtas_take_timebase,
 
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};