On Mon, Jan 21, 2013 at 3:11 AM, Akshay Saraswat akshay.s@samsung.com wrote:
Adding API in power for system shutdown when tripping value is reached in Exynos Thermal Management Unit.
Signed-off-by: Akshay Saraswat akshay.s@samsung.com
Acked-by: Simon Glass sjg@chromium.org
Changes since v4: - Changed API name from power_shutdown to generic board_poweroff defined in commomn.h.
arch/arm/cpu/armv7/exynos/power.c | 15 +++++++++++++++ arch/arm/include/asm/arch-exynos/power.h | 1 + 2 files changed, 16 insertions(+)
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index d4bce6d..1d26982 100644 --- a/arch/arm/cpu/armv7/exynos/power.c +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -95,3 +95,18 @@ void set_dp_phy_ctrl(unsigned int enable) if (cpu_is_exynos5()) exynos5_dp_phy_control(enable); }
+/*
- This function never returns.
- When called this function makes system hang and PAD driving value high
- which in turn makes system power down.
- */
+void board_poweroff(void) +{
struct exynos5_power *power =(struct exynos5_power *)samsung_get_base_power();clrbits_le32(&power->ps_hold_control, POWER_PS_HOLD_CONTROL_DATA_HIGH);hang();+} diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h index d2fdb59..7463036 100644 --- a/arch/arm/include/asm/arch-exynos/power.h +++ b/arch/arm/include/asm/arch-exynos/power.h @@ -863,5 +863,6 @@ void set_usbhost_phy_ctrl(unsigned int enable); void set_dp_phy_ctrl(unsigned int enable);
#define EXYNOS_DP_PHY_ENABLE (1 << 0) +#define POWER_PS_HOLD_CONTROL_DATA_HIGH (1 << 8)
#endif
1.7.9.5