[deliverable/linux.git] / arch / arm / mach-highbank / hotplug.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, secondary_startup);
	highbank_set_core_pwr();

	cpu_do_idle();

	/* We should never return from idle */
	panic("highbank: cpu %d unexpectedly exit from shutdown\n", cpu);
}
Commit	Line	Data
9680b3d0 MB	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>
9680b3d0	17
9680b3d0 MB	18	#include <asm/cacheflush.h>
	19
	20	#include "core.h"
7a2848d3	21	#include "sysregs.h"
9680b3d0 MB	22
	23	extern void secondary_startup(void);
	24
9680b3d0 MB	25	/*
	26	* platform-specific code to shutdown a CPU
	27	*
	28	*/
7ad71b61	29	void __ref highbank_cpu_die(unsigned int cpu)
9680b3d0 MB	30	{
	31	flush_cache_all();
	32
	33	highbank_set_cpu_jump(cpu, secondary_startup);
7a2848d3	34	highbank_set_core_pwr();
9680b3d0 MB	35
	36	cpu_do_idle();
	37
	38	/* We should never return from idle */
	39	panic("highbank: cpu %d unexpectedly exit from shutdown\n", cpu);
	40	}