mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-15 08:05:21 +02:00
474eca73a8
clocks off which arn't handeld by their subsystems yet. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19984 3c298f89-4303-0410-b956-a3cf2f4a3e73
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/*
|
|
* Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
|
|
* JZ4740 SoC power management support
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/pm.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/suspend.h>
|
|
#include <asm/mach-jz4740/regs.h>
|
|
#include <asm/mach-jz4740/clock.h>
|
|
|
|
#include "clock.h"
|
|
|
|
extern void jz4740_intc_suspend(void);
|
|
extern void jz4740_intc_resume(void);
|
|
extern void jz_gpio_suspend(void);
|
|
extern void jz_gpio_resume(void);
|
|
|
|
static int jz_pm_enter(suspend_state_t state)
|
|
{
|
|
jz_gpio_suspend();
|
|
jz4740_intc_suspend();
|
|
jz4740_clock_suspend();
|
|
|
|
jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_SLEEP);
|
|
|
|
__asm__(".set\tmips3\n\t"
|
|
"wait\n\t"
|
|
".set\tmips0");
|
|
|
|
jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_IDLE);
|
|
|
|
jz4740_clock_resume();
|
|
jz4740_intc_resume();
|
|
jz_gpio_resume();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_suspend_ops jz_pm_ops = {
|
|
.valid = suspend_valid_only_mem,
|
|
.enter = jz_pm_enter,
|
|
};
|
|
|
|
/*
|
|
* Initialize power interface
|
|
*/
|
|
int __init jz_pm_init(void)
|
|
{
|
|
suspend_set_ops(&jz_pm_ops);
|
|
return 0;
|
|
|
|
}
|
|
late_initcall(jz_pm_init);
|