linux-sg2042/arch/arm/mach-highbank/hotplug.c

41 lines
1.1 KiB
C

/*
* Copyright 2011 Calxeda, Inc.
*
* 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.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/kernel.h>
#include <asm/cacheflush.h>
#include "core.h"
#include "sysregs.h"
extern void secondary_startup(void);
/*
* platform-specific code to shutdown a CPU
*
*/
void __ref highbank_cpu_die(unsigned int cpu)
{
flush_cache_all();
highbank_set_cpu_jump(cpu, phys_to_virt(0));
highbank_set_core_pwr();
cpu_do_idle();
/* We should never return from idle */
panic("highbank: cpu %d unexpectedly exit from shutdown\n", cpu);
}