From: Vasily Khoruzhick Date: Tue, 15 Mar 2011 20:11:17 +0000 (+0200) Subject: ARM: pxa/z2: add poweroff function X-Git-Tag: v3.1-rc1~149^2~1^5~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=41646b24993590c49d21e6cc0f4378505e1f94a6;p=profile%2Fivi%2Fkernel-x86-ivi.git ARM: pxa/z2: add poweroff function Signed-off-by: Vasily Khoruzhick Signed-off-by: Eric Miao --- diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c index e9b38cd..6c9275a 100644 --- a/arch/arm/mach-pxa/z2.c +++ b/arch/arm/mach-pxa/z2.c @@ -40,6 +40,7 @@ #include #include #include +#include #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")