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| author | Przemyslaw Marczak <p.marczak@samsung.com> | 2014-03-21 11:48:54 +0100 |
|---|---|---|
| committer | Przemyslaw Marczak <p.marczak@samsung.com> | 2015-05-18 11:29:13 +0200 |
| commit | e582fa54a7f2daefd03e4378407d028678e8825c (patch) | |
| tree | 61d71ea518ac3e3e71f915380a39fb04d49f2f18 | |
| parent | e4fd32f2c972490324ce4c023ce0b6b8d3dc9ad5 (diff) | |
| download | u-boot-e582fa54a7f2daefd03e4378407d028678e8825c.tar.gz u-boot-e582fa54a7f2daefd03e4378407d028678e8825c.tar.bz2 u-boot-e582fa54a7f2daefd03e4378407d028678e8825c.zip | |
trats2: add implementation of board_poweroff() and CONFIG_CMD_POWEROFF
This change adds implementation of function board_poweroff() which
turns off the device off by setting PSHOLD gpio to low state which
is a power off signal for main PMIC.
Change-Id: Iae97fb81d7e7e243079ac18d03f4fd917c50b62e
Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
| -rw-r--r-- | board/samsung/trats2/trats2.c | 17 | ||||
| -rw-r--r-- | include/configs/trats2.h | 1 |
2 files changed, 18 insertions, 0 deletions
diff --git a/board/samsung/trats2/trats2.c b/board/samsung/trats2/trats2.c index a7377497e5..03f1d7d68b 100644 --- a/board/samsung/trats2/trats2.c +++ b/board/samsung/trats2/trats2.c @@ -431,3 +431,20 @@ void exynos_lcd_misc_init(vidinfo_t *vid) #endif } #endif /* LCD */ + +#ifdef CONFIG_CMD_POWEROFF +void board_poweroff(void) +{ + unsigned int val; + struct exynos4x12_power *power = + (struct exynos4x12_power *)samsung_get_base_power(); + + val = readl(&power->ps_hold_control); + val |= EXYNOS_PS_HOLD_CONTROL_EN_OUTPUT; /* set to output */ + val &= ~EXYNOS_PS_HOLD_CONTROL_DATA_HIGH; /* set state to low */ + writel(val, &power->ps_hold_control); + + while (1); + /* Should not reach here */ +} +#endif diff --git a/include/configs/trats2.h b/include/configs/trats2.h index 95f2195765..4ba98a0a66 100644 --- a/include/configs/trats2.h +++ b/include/configs/trats2.h @@ -197,6 +197,7 @@ int get_soft_i2c_sda_pin(void); #define CONFIG_POWER_MUIC_MAX77693 #define CONFIG_POWER_FG_MAX77693 #define CONFIG_POWER_BATTERY_TRATS2 +#define CONFIG_CMD_POWEROFF /* Security subsystem - enable hw_rand() */ #define CONFIG_EXYNOS_ACE_SHA |