diff options
Diffstat (limited to 'baseboard/dedede/baseboard.c')
| -rw-r--r-- | baseboard/dedede/baseboard.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/baseboard/dedede/baseboard.c b/baseboard/dedede/baseboard.c index fcf8f275fc..9f6a37d3d1 100644 --- a/baseboard/dedede/baseboard.c +++ b/baseboard/dedede/baseboard.c @@ -6,6 +6,7 @@ /* Dedede family-specific configuration */ #include "adc.h" +#include "board_config.h" #include "chipset.h" #include "common.h" #include "gpio.h" @@ -21,6 +22,22 @@ const enum gpio_signal hibernate_wake_pins[] = {}; const int hibernate_wake_pins_used; +void board_after_rsmrst(int rsmrst) +{ + /* + * b:148688874: If RSMRST# is de-asserted, enable the pull-up on + * PG_PP1050_ST_OD. It won't be enabled prior to this signal going high + * because the load switch for PP1050_ST cannot pull the PG low. Once + * it's asserted, disable the pull up so we don't inidicate that the + * power is good before the rail is actually ready. + */ + int flags = rsmrst ? GPIO_PULL_UP : 0; + + flags |= GPIO_INT_BOTH; + + gpio_set_flags(GPIO_PG_PP1050_ST_OD, flags); +} + uint32_t pp3300_a_pgood; __override int intel_x86_get_pg_ec_dsw_pwrok(void) { |