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ARM: pxa/z2: add poweroff function

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Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Vasily Khoruzhick 2011-03-15 22:11:17 +02:00 committed by Eric Miao
parent 8a97ae2f55
commit 41646b2499
1 changed files with 17 additions and 0 deletions
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17
arch/arm/mach-pxa/z2.c
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@ -40,6 +40,7 @@
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <plat/pxa27x_keypad.h>
#include <mach/pm.h>
#include "generic.h"
#include "devices.h"
@ -677,6 +678,20 @@ static void __init z2_pmic_init(void)
static inline void z2_pmic_init(void) {}
#endif
#ifdef CONFIG_PM
static void z2_power_off(void)
{
/* We're using deep sleep as poweroff, so clear PSPR to ensure that
* bootloader will jump to its entry point in resume handler
*/
PSPR = 0x0;
local_irq_disable();
pxa27x_cpu_suspend(PWRMODE_DEEPSLEEP, PLAT_PHYS_OFFSET - PAGE_OFFSET);
}
#else
#define z2_power_off NULL
#endif
/******************************************************************************
* Machine init
******************************************************************************/
@ -698,6 +713,8 @@ static void __init z2_init(void)
z2_leds_init();
z2_keys_init();
z2_pmic_init();
pm_power_off = z2_power_off;
}
MACHINE_START(ZIPIT2, "Zipit Z2")