diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/brya/variants/pujjo/gpio.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mainboard/google/brya/variants/pujjo/gpio.c b/src/mainboard/google/brya/variants/pujjo/gpio.c index 390ff166af..f104b92e25 100644 --- a/src/mainboard/google/brya/variants/pujjo/gpio.c +++ b/src/mainboard/google/brya/variants/pujjo/gpio.c @@ -33,8 +33,14 @@ static const struct pad_config override_gpio_table[] = { static const struct pad_config early_gpio_table[] = { /* A13 : GPP_A13 ==> GSC_SOC_INT_ODL */ PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT), + /* + * WWAN_EN is asserted in ramstage to meet the 500 ms warm reset toff + * requirement. WWAN_EN must be asserted before WWAN_RST_L is released + * (with min delay 0 ms), so this works as long as the pin used for + * WWAN_EN comes before the pin used for WWAN_RST_L. + */ /* D6 : SRCCLKREQ1# ==> WWAN_EN */ - PAD_CFG_GPO(GPP_D6, 1, DEEP), + PAD_CFG_GPO(GPP_D6, 0, DEEP), /* E12 : THC0_SPI1_IO1 ==> SOC_WP_OD */ PAD_CFG_GPI_GPIO_DRIVER(GPP_E12, NONE, DEEP), /* F12 : WWAN_RST_L */ |