diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/power.c | 12 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-exynos/power.h | 4 |
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index db7249ef7f..6375a81fd4 100644 --- a/arch/arm/cpu/armv7/exynos/power.c +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -128,3 +128,15 @@ void set_xclkout(void) if (cpu_is_exynos5()) exynos5_set_xclkout(); } + +/* Enables hardware tripping to power off the system when TMU fails */ +void set_hw_thermal_trip(void) +{ + if (cpu_is_exynos5()) { + struct exynos5_power *power = + (struct exynos5_power *)samsung_get_base_power(); + + /* PS_HOLD_CONTROL register ENABLE_HW_TRIP bit*/ + setbits_le32(&power->ps_hold_control, POWER_ENABLE_HW_TRIP); + } +} diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h index 5f2633763c..3549667d91 100644 --- a/arch/arm/include/asm/arch-exynos/power.h +++ b/arch/arm/include/asm/arch-exynos/power.h @@ -857,6 +857,9 @@ void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable); void set_usbhost_phy_ctrl(unsigned int enable); +/* Enables hardware tripping to power off the system when TMU fails */ +void set_hw_thermal_trip(void); + #define POWER_USB_HOST_PHY_CTRL_EN (1 << 0) #define POWER_USB_HOST_PHY_CTRL_DISABLE (0 << 0) @@ -865,6 +868,7 @@ void set_dp_phy_ctrl(unsigned int enable); #define EXYNOS_DP_PHY_ENABLE (1 << 0) #define EXYNOS_PS_HOLD_CONTROL_DATA_HIGH (1 << 8) +#define POWER_ENABLE_HW_TRIP (1UL << 31) /* * Set ps_hold data driving value high |
