[PATCH v2] ARM: PXA: Z2: Add poweroff function
Vasily Khoruzhick
anarsoul at gmail.com
Tue Mar 15 16:11:17 EDT 2011
Signed-off-by: Vasily Khoruzhick <anarsoul at gmail.com>
---
v2:
- clear PSPR before going deep sleep
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 3d3f019..a9ab8c1 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")
--
1.7.4.1
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