diff options
Diffstat (limited to 'src/mainboard/google/hatch/variants/helios/gpio.c')
| -rw-r--r-- | src/mainboard/google/hatch/variants/helios/gpio.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/src/mainboard/google/hatch/variants/helios/gpio.c b/src/mainboard/google/hatch/variants/helios/gpio.c index 85eb3fc156..456877c8ee 100644 --- a/src/mainboard/google/hatch/variants/helios/gpio.c +++ b/src/mainboard/google/hatch/variants/helios/gpio.c @@ -117,8 +117,6 @@ const struct pad_config *override_gpio_table(size_t *num) * needed in this table. */ static const struct pad_config early_gpio_table[] = { - /* A12 : FPMCU_RST_ODL */ - PAD_CFG_GPO(GPP_A12, 0, DEEP), /* B15 : H1_SLAVE_SPI_CS_L */ PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1), /* B16 : H1_SLAVE_SPI_CLK */ @@ -127,8 +125,6 @@ static const struct pad_config early_gpio_table[] = { PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1), /* B18 : H1_SLAVE_SPI_MOSI_R */ PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1), - /* C11 : GPP_C11 ==> EN_FP_RAILS */ - PAD_CFG_GPO(GPP_C11, 1, DEEP), /* C14 : BT_DISABLE_L */ PAD_CFG_GPO(GPP_C14, 0, DEEP), /* PCH_WP_OD */ @@ -150,14 +146,30 @@ const struct pad_config *variant_early_gpio_table(size_t *num) } /* - * GPIO settings before entering all sleep states + * Default GPIO settings before entering non-S5 sleep states. + * Configure A12: FPMCU_RST_ODL as GPO before entering sleep. + * This guarantees that A12's native3 function is disabled. + * See https://review.coreboot.org/c/coreboot/+/32111 . */ -static const struct pad_config sleep_gpio_table[] = { +static const struct pad_config default_sleep_gpio_table[] = { PAD_CFG_GPO(GPP_A12, 1, DEEP), /* FPMCU_RST_ODL */ }; +/* + * GPIO settings before entering S5, which are same as + * default_sleep_gpio_table but also, turn off FPMCU. + */ +static const struct pad_config s5_sleep_gpio_table[] = { + PAD_CFG_GPO(GPP_A12, 0, DEEP), /* FPMCU_RST_ODL */ + PAD_CFG_GPO(GPP_C11, 0, DEEP), /* PCH_FP_PWR_EN */ +}; + const struct pad_config *variant_sleep_gpio_table(u8 slp_typ, size_t *num) { - *num = ARRAY_SIZE(sleep_gpio_table); - return sleep_gpio_table; + if (slp_typ == ACPI_S5) { + *num = ARRAY_SIZE(s5_sleep_gpio_table); + return s5_sleep_gpio_table; + } + *num = ARRAY_SIZE(default_sleep_gpio_table); + return default_sleep_gpio_table; } |