7ad71b61e7
Convert the highbank platform to use struct smp_operations to provide its SMP and CPU hotplug operations. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
42 lines
1.1 KiB
C
42 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 <linux/errno.h>
|
|
#include <linux/smp.h>
|
|
|
|
#include <asm/smp_scu.h>
|
|
#include <asm/cacheflush.h>
|
|
|
|
#include "core.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);
|
|
scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
|
|
|
|
cpu_do_idle();
|
|
|
|
/* We should never return from idle */
|
|
panic("highbank: cpu %d unexpectedly exit from shutdown\n", cpu);
|
|
}
|