diff options
| author | Doug Anderson <dianders@chromium.org> | 2014-05-29 21:40:54 +0530 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2014-05-31 14:22:20 +0900 |
| commit | 567802bbd6bf1c809d37fef9244fc8a692244e73 (patch) | |
| tree | 0aa905d346d2f75f5f8cb6bd79ca52bd15e709f8 /arch/arm/cpu/armv7/exynos/power.c | |
| parent | 0c04b1a83b54e5c3c458b5dfa096784be76e24d4 (diff) | |
Exynos: Make sure ps_hold gets set in the SPL
Setting ps_hold ought to be one of the first things we do when we
first boot up. If we wait until the main u-boot runs we won't set it
in time and the PMIC may power us back off.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'arch/arm/cpu/armv7/exynos/power.c')
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/power.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index 563abd750f..638ee0b30b 100644 --- a/arch/arm/cpu/armv7/exynos/power.c +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -112,6 +112,12 @@ static void exynos5_set_ps_hold_ctrl(void) EXYNOS_PS_HOLD_CONTROL_DATA_HIGH); } +/* + * Set ps_hold data driving value high + * This enables the machine to stay powered on + * after the initial power-on condition goes away + * (e.g. power button). + */ void set_ps_hold_ctrl(void) { if (cpu_is_exynos5()) |