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| author | Vasily Khoruzhick <anarsoul@gmail.com> | 2011-03-15 23:11:17 +0300 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2011-07-12 15:50:34 +0400 |
| commit | 41646b24993590c49d21e6cc0f4378505e1f94a6 (patch) | |
| tree | 9d3d205217dbb04c2f474ac7b7a39a961c6b1fb6 | |
| parent | 8a97ae2f554d762a4bc67b5d13b52ef39c8d6baa (diff) | |
| download | linux-41646b24993590c49d21e6cc0f4378505e1f94a6.tar.xz | |
ARM: pxa/z2: add poweroff function
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
| -rw-r--r-- | arch/arm/mach-pxa/z2.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c index e9b38cdc9269..6c9275a20c91 100644 --- a/arch/arm/mach-pxa/z2.c +++ b/arch/arm/mach-pxa/z2.c @@ -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") |