diff options
Diffstat (limited to 'src/mainboard/google/octopus')
| -rw-r--r-- | src/mainboard/google/octopus/variants/baseboard/gpio.c | 8 | ||||
| -rw-r--r-- | src/mainboard/google/octopus/variants/bip/gpio.c | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/variants/baseboard/gpio.c b/src/mainboard/google/octopus/variants/baseboard/gpio.c index 8863bbbba1..732653ac36 100644 --- a/src/mainboard/google/octopus/variants/baseboard/gpio.c +++ b/src/mainboard/google/octopus/variants/baseboard/gpio.c @@ -279,6 +279,14 @@ static const struct pad_config early_gpio_table[] = { /* Enable power to wifi early in bootblock and de-assert PERST#. */ PAD_CFG_GPO(GPIO_178, 1, DEEP), /* EN_PP3300_WLAN */ PAD_CFG_GPO(GPIO_164, 0, DEEP), /* WLAN_PE_RST */ + + /* + * ESPI_IO1 acts as ALERT# (which is open-drain) and requies a weak + * pull-up for proper operation. Since there is no external pull present + * on this platform, configure an internal weak pull-up. + */ + PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_151, UP_20K, DEEP, NF2, HIZCRx1, + ENPU), /* ESPI_IO1 */ }; const struct pad_config *__weak diff --git a/src/mainboard/google/octopus/variants/bip/gpio.c b/src/mainboard/google/octopus/variants/bip/gpio.c index fe7a2e2375..84285d76e2 100644 --- a/src/mainboard/google/octopus/variants/bip/gpio.c +++ b/src/mainboard/google/octopus/variants/bip/gpio.c @@ -278,6 +278,14 @@ static const struct pad_config early_gpio_table[] = { /* Enable power to wifi early in bootblock and de-assert PERST#. */ PAD_CFG_GPO(GPIO_178, 1, DEEP), /* EN_PP3300_WLAN */ PAD_CFG_GPO(GPIO_164, 0, DEEP), /* WLAN_PE_RST */ + + /* + * ESPI_IO1 acts as ALERT# (which is open-drain) and requies a weak + * pull-up for proper operation. Since there is no external pull present + * on this platform, configure an internal weak pull-up. + */ + PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_151, UP_20K, DEEP, NF2, HIZCRx1, + ENPU), /* ESPI_IO1 */ }; const struct pad_config *variant_early_gpio_table(size_t *num) |