LXR linux/arch/arm/mach-highbank/hotplug.c

   1/*
   2 * Copyright 2011 Calxeda, Inc.
   3 *
   4 * This program is free software; you can redistribute it and/or modify it
   5 * under the terms and conditions of the GNU General Public License,
   6 * version 2, as published by the Free Software Foundation.
   7 *
   8 * This program is distributed in the hope it will be useful, but WITHOUT
   9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11 * more details.
  12 *
  13 * You should have received a copy of the GNU General Public License along with
  14 * this program.  If not, see <http://www.gnu.org/licenses/>.
  15 */
  16#include <linux/kernel.h>
  17#include <asm/cacheflush.h>
  18
  19#include "core.h"
  20#include "sysregs.h"
  21
  22extern void secondary_startup(void);
  23
  24/*
  25 * platform-specific code to shutdown a CPU
  26 *
  27 */
  28void __ref highbank_cpu_die(unsigned int cpu)
  29{
  30        highbank_set_cpu_jump(cpu, phys_to_virt(0));
  31
  32        flush_cache_louis();
  33        highbank_set_core_pwr();
  34
  35        while (1)
  36                cpu_do_idle();
  37}
  38