diff options
Diffstat (limited to 'src/mainboard/google/octopus/smihandler.c')
| -rw-r--r-- | src/mainboard/google/octopus/smihandler.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/smihandler.c b/src/mainboard/google/octopus/smihandler.c index 2c68045685..488ba07cc4 100644 --- a/src/mainboard/google/octopus/smihandler.c +++ b/src/mainboard/google/octopus/smihandler.c @@ -3,15 +3,22 @@ #include <acpi/acpi.h> #include <baseboard/variants.h> #include <cpu/x86/smm.h> +#include <delay.h> #include <ec/google/chromeec/ec.h> #include <ec/google/chromeec/smm.h> #include <elog.h> +#include <gpio.h> #include <intelblocks/smihandler.h> #include <soc/pm.h> #include <soc/gpio.h> #include <variant/ec.h> #include <variant/gpio.h> +struct gpio_with_delay { + gpio_t gpio; + unsigned int delay_msecs; +}; + void mainboard_smi_gpi_handler(const struct gpi_status *sts) { if (gpi_status_get(sts, EC_SMI_GPI)) @@ -54,3 +61,27 @@ void __weak variant_smi_sleep(u8 slp_typ) { /* Leave for the variant to implement if necessary. */ } + +void power_off_lte_module(void) +{ + + const struct gpio_with_delay lte_power_off_gpios[] = { + { + GPIO_161, /* AVS_I2S1_MCLK -- PLT_RST_LTE_L */ + 30, + }, + { + GPIO_117, /* PCIE_WAKE1_B -- FULL_CARD_POWER_OFF */ + 100 + }, + { + GPIO_67, /* UART2-CTS_B -- EN_PP3300_DX_LTE_SOC */ + 0 + } + }; + + for (int i = 0; i < ARRAY_SIZE(lte_power_off_gpios); i++) { + gpio_output(lte_power_off_gpios[i].gpio, 0); + mdelay(lte_power_off_gpios[i].delay_msecs); + } +} |