diff options
Diffstat (limited to 'power')
| -rw-r--r-- | power/rk3399.c | 88 |
1 files changed, 37 insertions, 51 deletions
diff --git a/power/rk3399.c b/power/rk3399.c index a3cf333c41..4d3a16e2e4 100644 --- a/power/rk3399.c +++ b/power/rk3399.c @@ -40,36 +40,6 @@ /* All inputs in the right state for S0 */ #define IN_ALL_S0 (IN_PGOOD_S0 | IN_SUSPEND_DEASSERTED) -static const struct power_signal_info power_control_outputs[] = { - { GPIO_AP_CORE_EN, 1 }, - { GPIO_LPDDR_PWR_EN, 1 }, - { GPIO_PPVAR_CLOGIC_EN, 1 }, - { GPIO_PPVAR_LOGIC_EN, 1 }, - - { GPIO_PP900_AP_EN, 1 }, - { GPIO_PP900_DDRPLL_EN, 1 }, - { GPIO_PP900_PLL_EN, 1 }, - { GPIO_PP900_PMU_EN, 1 }, - { GPIO_PP900_USB_EN, 1 }, - { GPIO_PP900_PCIE_EN, 1 }, - - { GPIO_PP1800_SENSOR_EN_L, 0 }, - { GPIO_PP1800_LID_EN_L, 0 }, - { GPIO_PP1800_PMU_EN_L, 0 }, - { GPIO_PP1800_AP_AVDD_EN_L, 0 }, - { GPIO_PP1800_USB_EN_L, 0 }, - { GPIO_PP1800_S0_EN_L, 0 }, - { GPIO_PP1800_SIXAXIS_EN_L, 0 }, - - { GPIO_PP3300_TRACKPAD_EN_L, 0 }, - { GPIO_PP3300_USB_EN_L, 0 }, - { GPIO_PP3300_S0_EN_L, 0 }, - - { GPIO_PP5000_EN, 1 }, - - { GPIO_SYS_RST_L, 0 }, -}; - static int forcing_shutdown; void chipset_force_shutdown(void) @@ -95,20 +65,6 @@ void chipset_reset(int cold_reset) gpio_set_level(GPIO_SYS_RST_L, 1); } -static void chipset_force_g3(void) -{ - int i; - const struct power_signal_info *output_signal; - - /* Force all signals to their G3 states */ - CPRINTS("forcing G3"); - for (i = 0; i < ARRAY_SIZE(power_control_outputs); ++i) { - output_signal = &power_control_outputs[i]; - gpio_set_level(output_signal->gpio, - !output_signal->level); - } -} - enum power_state power_chipset_init(void) { if (system_jumped_to_this_image()) { @@ -118,7 +74,6 @@ enum power_state power_chipset_init(void) return POWER_S0; } - chipset_force_g3(); wireless_set_state(WIRELESS_OFF); #ifdef BOARD_GRU /* TODO: Enable CONFIG_USB_PORT_POWER_SMART */ @@ -244,14 +199,25 @@ enum power_state power_handle_state(enum power_state state) /* Call hooks before we remove power rails */ hook_notify(HOOK_CHIPSET_SUSPEND); - /* Suspend wireless */ - wireless_set_state(WIRELESS_SUSPEND); - #ifdef BOARD_GRU - gpio_set_level(GPIO_USB_A_EN, 0); gpio_set_level(GPIO_USB_A_CHARGE_EN, 0); + gpio_set_level(GPIO_USB_A_EN, 0); #endif + /* Suspend wireless */ + wireless_set_state(WIRELESS_SUSPEND); + + gpio_set_level(GPIO_PP1800_SENSOR_EN_L, 1); + gpio_set_level(GPIO_PP1800_LID_EN_L, 1); + msleep(10); + gpio_set_level(GPIO_PP3300_USB_EN_L, 1); + msleep(10); + gpio_set_level(GPIO_PP3300_S0_EN_L, 1); + msleep(10); + gpio_set_level(GPIO_PP1800_S0_EN_L, 1); + msleep(10); + gpio_set_level(GPIO_AP_CORE_EN, 0); + /* * Enable idle task deep sleep. Allow the low power idle task * to go into deep sleep in S3 or lower. @@ -267,12 +233,32 @@ enum power_state power_handle_state(enum power_state state) /* Disable wireless */ wireless_set_state(WIRELESS_OFF); + gpio_set_level(GPIO_PP3300_TRACKPAD_EN_L, 1); + msleep(10); + gpio_set_level(GPIO_PP1800_SIXAXIS_EN_L, 1); + msleep(10); + gpio_set_level(GPIO_PP5000_EN, 0); + gpio_set_level(GPIO_LPDDR_PWR_EN, 0); + msleep(10); + gpio_set_level(GPIO_PP1800_AP_AVDD_EN_L, 1); + gpio_set_level(GPIO_PP1800_USB_EN_L, 1); + gpio_set_level(GPIO_PP1800_PMU_EN_L, 1); + msleep(10); + gpio_set_level(GPIO_PPVAR_CLOGIC_EN, 0); + msleep(10); + gpio_set_level(GPIO_PP900_PCIE_EN, 0); + gpio_set_level(GPIO_PP900_DDRPLL_EN, 0); + gpio_set_level(GPIO_PP900_USB_EN, 0); + gpio_set_level(GPIO_PP900_PLL_EN, 0); + gpio_set_level(GPIO_PP900_PMU_EN, 0); + msleep(10); + gpio_set_level(GPIO_PP900_AP_EN, 0); + gpio_set_level(GPIO_PPVAR_LOGIC_EN, 0); + /* Start shutting down */ return POWER_S5; case POWER_S5G3: - /* Initialize power signal outputs to default. */ - chipset_force_g3(); return POWER_G3; } |