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Diffstat (limited to 'src/mainboard/google/octopus/smihandler.c')
-rw-r--r--src/mainboard/google/octopus/smihandler.c31
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);
+ }
+}